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mutter-performance-source/src/window.c
Havoc Pennington 4aea4e7dc6 remove unmanaged windows from save set, and unselect input so we don't get 
2002-03-27  Havoc Pennington  <hp@pobox.com>

	* src/window.c (meta_window_free): remove
	unmanaged windows from save set, and unselect
	input so we don't get events from them. Fixes annoying
	bug where withdrawn windows would decide to map themselves
	due to save set stuff.
2002-03-28 03:49:18 +00:00

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/* Metacity X managed windows */
/*
* Copyright (C) 2001 Havoc Pennington, Anders Carlsson
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <config.h>
#include "window.h"
#include "util.h"
#include "frame.h"
#include "errors.h"
#include "workspace.h"
#include "stack.h"
#include "keybindings.h"
#include "ui.h"
#include "place.h"
#include "session.h"
#include "effects.h"
#include "prefs.h"
#include "resizepopup.h"
#include "xprops.h"
#include <X11/Xatom.h>
typedef enum
{
META_IS_CONFIGURE_REQUEST = 1 << 0,
META_DO_GRAVITY_ADJUST = 1 << 1,
META_USER_MOVE_RESIZE = 1 << 2
} MetaMoveResizeFlags;
typedef enum
{
WIN_HINTS_SKIP_FOCUS = (1<<0), /* "alt-tab" skips this win */
WIN_HINTS_SKIP_WINLIST = (1<<1), /* not in win list */
WIN_HINTS_SKIP_TASKBAR = (1<<2), /* not on taskbar */
WIN_HINTS_GROUP_TRANSIENT = (1<<3), /* ??????? */
WIN_HINTS_FOCUS_ON_CLICK = (1<<4), /* app only accepts focus when clicked */
WIN_HINTS_DO_NOT_COVER = (1<<5) /* attempt to not cover this window */
} GnomeWinHints;
static int destroying_windows_disallowed = 0;
static void constrain_size (MetaWindow *window,
MetaFrameGeometry *fgeom,
int width,
int height,
int *new_width,
int *new_height);
static void constrain_position (MetaWindow *window,
MetaFrameGeometry *fgeom,
int x,
int y,
int *new_x,
int *new_y);
static int update_size_hints (MetaWindow *window);
static int update_title (MetaWindow *window);
static int update_protocols (MetaWindow *window);
static int update_wm_hints (MetaWindow *window);
static void update_net_wm_state (MetaWindow *window);
static void update_mwm_hints (MetaWindow *window);
static int update_wm_class (MetaWindow *window);
static int update_transient_for (MetaWindow *window);
static void update_sm_hints (MetaWindow *window);
static void update_role (MetaWindow *window);
static void update_net_wm_type (MetaWindow *window);
static int update_initial_workspace (MetaWindow *window);
static int update_icon_name (MetaWindow *window);
static int update_icon (MetaWindow *window);
static void update_struts (MetaWindow *window);
static void recalc_window_type (MetaWindow *window);
static void recalc_window_features (MetaWindow *window);
static void recalc_do_not_cover_struts(MetaWindow *window);
static void invalidate_work_areas (MetaWindow *window);
static int set_wm_state (MetaWindow *window,
int state);
static int set_net_wm_state (MetaWindow *window);
static void send_configure_notify (MetaWindow *window);
static gboolean process_property_notify (MetaWindow *window,
XPropertyEvent *event);
static void meta_window_show (MetaWindow *window);
static void meta_window_hide (MetaWindow *window);
static GList* meta_window_get_workspaces (MetaWindow *window);
static gboolean meta_window_get_icon_geometry (MetaWindow *window,
MetaRectangle *rect);
static void adjust_for_gravity (MetaWindow *window,
MetaFrameGeometry *fgeom,
gboolean coords_assume_border,
int x,
int y,
int *xp,
int *yp);
static void meta_window_move_resize_internal (MetaWindow *window,
MetaMoveResizeFlags flags,
int resize_gravity,
int root_x_nw,
int root_y_nw,
int w,
int h);
void meta_window_move_resize_now (MetaWindow *window);
static char* get_text_property (MetaDisplay *display,
Window xwindow,
Atom atom);
void meta_window_unqueue_calc_showing (MetaWindow *window);
void meta_window_flush_calc_showing (MetaWindow *window);
void meta_window_unqueue_move_resize (MetaWindow *window);
void meta_window_flush_move_resize (MetaWindow *window);
static void meta_window_apply_session_info (MetaWindow *window,
const MetaWindowSessionInfo *info);
static const char*
wm_state_to_string (int state)
{
switch (state)
{
case NormalState:
return "NormalState";
case IconicState:
return "IconicState";
case WithdrawnState:
return "WithdrawnState";
}
return "Unknown";
}
MetaWindow*
meta_window_new (MetaDisplay *display, Window xwindow,
gboolean must_be_viewable)
{
MetaWindow *window;
XWindowAttributes attrs;
GSList *tmp;
MetaWorkspace *space;
gulong existing_wm_state;
meta_verbose ("Attempting to manage 0x%lx\n", xwindow);
if (xwindow == display->no_focus_window)
{
meta_verbose ("Not managing no_focus_window 0x%lx\n",
xwindow);
return NULL;
}
/* Grab server */
meta_display_grab (display);
meta_error_trap_push (display);
XGetWindowAttributes (display->xdisplay,
xwindow, &attrs);
if (meta_error_trap_pop (display))
{
meta_verbose ("Failed to get attributes for window 0x%lx\n",
xwindow);
meta_display_ungrab (display);
return NULL;
}
if (attrs.override_redirect)
{
meta_verbose ("Deciding not to manage override_redirect window 0x%lx\n", xwindow);
meta_display_ungrab (display);
return NULL;
}
meta_verbose ("must_be_viewable = %d attrs.map_state = %d (%s)\n",
must_be_viewable,
attrs.map_state,
(attrs.map_state == IsUnmapped) ?
"IsUnmapped" :
(attrs.map_state == IsViewable) ?
"IsViewable" :
(attrs.map_state == IsUnviewable) ?
"IsUnviewable" :
"(unknown)");
existing_wm_state = WithdrawnState;
if (must_be_viewable && attrs.map_state != IsViewable)
{
/* Only manage if WM_STATE is IconicState or NormalState */
gulong state;
/* WM_STATE isn't a cardinal, it's type WM_STATE, but is an int */
if (!(meta_prop_get_cardinal_with_atom_type (display, xwindow,
display->atom_wm_state,
display->atom_wm_state,
&state) &&
(state == IconicState || state == NormalState)))
{
meta_verbose ("Deciding not to manage unmapped or unviewable window 0x%lx\n", xwindow);
meta_display_ungrab (display);
return NULL;
}
existing_wm_state = state;
meta_verbose ("WM_STATE of %lx = %s\n", xwindow,
wm_state_to_string (existing_wm_state));
}
meta_error_trap_push (display);
XAddToSaveSet (display->xdisplay, xwindow);
XSelectInput (display->xdisplay, xwindow,
PropertyChangeMask |
EnterWindowMask | LeaveWindowMask |
FocusChangeMask);
/* Get rid of any borders */
if (attrs.border_width != 0)
XSetWindowBorderWidth (display->xdisplay, xwindow, 0);
/* Get rid of weird gravities */
if (attrs.win_gravity != NorthWestGravity)
{
XSetWindowAttributes set_attrs;
set_attrs.win_gravity = NorthWestGravity;
XChangeWindowAttributes (display->xdisplay,
xwindow,
CWWinGravity,
&set_attrs);
}
if (meta_error_trap_pop (display) != Success)
{
meta_verbose ("Window 0x%lx disappeared just as we tried to manage it\n",
xwindow);
meta_display_ungrab (display);
return NULL;
}
g_assert (!attrs.override_redirect);
window = g_new (MetaWindow, 1);
window->xwindow = xwindow;
/* this is in window->screen->display, but that's too annoying to
* type
*/
window->display = display;
window->workspaces = NULL;
window->screen = NULL;
tmp = display->screens;
while (tmp != NULL)
{
if (((MetaScreen *)tmp->data)->xscreen == attrs.screen)
{
window->screen = tmp->data;
break;
}
tmp = tmp->next;
}
g_assert (window->screen);
/* avoid tons of stack updates */
meta_stack_freeze (window->screen->stack);
/* Remember this rect is the actual window size */
window->rect.x = attrs.x;
window->rect.y = attrs.y;
window->rect.width = attrs.width;
window->rect.height = attrs.height;
window->size_hints.flags = 0;
/* And border width, size_hints are the "request" */
window->border_width = attrs.border_width;
window->size_hints.x = attrs.x;
window->size_hints.y = attrs.y;
window->size_hints.width = attrs.width;
window->size_hints.height = attrs.height;
/* And this is our unmaximized size */
window->saved_rect = window->rect;
window->user_rect = window->rect;
window->depth = attrs.depth;
window->xvisual = attrs.visual;
window->title = NULL;
window->icon_name = NULL;
window->icon = NULL;
window->mini_icon = NULL;
meta_icon_cache_init (&window->icon_cache);
window->wm_hints_pixmap = None;
window->wm_hints_mask = None;
window->desc = g_strdup_printf ("0x%lx", window->xwindow);
window->frame = NULL;
window->has_focus = FALSE;
window->user_has_move_resized = FALSE;
window->maximized = FALSE;
window->fullscreen = FALSE;
window->on_all_workspaces = FALSE;
window->shaded = FALSE;
window->initially_iconic = FALSE;
window->minimized = FALSE;
window->iconic = FALSE;
window->mapped = attrs.map_state != IsUnmapped;
/* if already mapped we don't want to do the placement thing */
window->placed = window->mapped;
if (window->placed)
meta_topic (META_DEBUG_PLACEMENT,
"Not placing window 0x%lx since it's already mapped\n",
xwindow);
window->unmanaging = FALSE;
window->calc_showing_queued = FALSE;
window->move_resize_queued = FALSE;
window->keys_grabbed = FALSE;
window->grab_on_frame = FALSE;
window->all_keys_grabbed = FALSE;
window->withdrawn = FALSE;
window->initial_workspace_set = FALSE;
window->calc_placement = FALSE;
window->unmaps_pending = 0;
window->mwm_decorated = TRUE;
window->mwm_has_close_func = TRUE;
window->mwm_has_minimize_func = TRUE;
window->mwm_has_maximize_func = TRUE;
window->mwm_has_move_func = TRUE;
window->mwm_has_resize_func = TRUE;
window->decorated = TRUE;
window->has_close_func = TRUE;
window->has_minimize_func = TRUE;
window->has_maximize_func = TRUE;
window->has_move_func = TRUE;
window->has_resize_func = TRUE;
window->has_shade_func = TRUE;
window->has_fullscreen_func = TRUE;
window->wm_state_modal = FALSE;
window->wm_state_skip_taskbar = FALSE;
window->wm_state_skip_pager = FALSE;
window->res_class = NULL;
window->res_name = NULL;
window->role = NULL;
window->sm_client_id = NULL;
window->xtransient_for = None;
window->xgroup_leader = None;
window->xclient_leader = None;
window->type = META_WINDOW_NORMAL;
window->type_atom = None;
window->has_struts = FALSE;
window->left_strut = 0;
window->right_strut = 0;
window->top_strut = 0;
window->bottom_strut = 0;
window->layer = META_LAYER_NORMAL;
window->stack_op = NULL;
window->initial_workspace = 0; /* not used */
meta_display_register_x_window (display, &window->xwindow, window);
update_size_hints (window);
update_title (window);
update_protocols (window);
update_wm_hints (window);
update_struts (window);
update_net_wm_state (window);
/* Initially maximize if window is fullscreen; FIXME
* assume fullscreen state instead once we have that state...
*/
if (!window->maximized &&
attrs.x == 0 && attrs.y == 0 &&
attrs.width == window->screen->width &&
attrs.height == window->screen->height)
window->maximized = TRUE;
update_mwm_hints (window);
update_wm_class (window);
update_transient_for (window);
update_sm_hints (window); /* must come after transient_for */
update_role (window);
update_net_wm_type (window);
update_initial_workspace (window);
update_icon_name (window);
update_icon (window);
if (!window->mapped &&
(window->size_hints.flags & PPosition) == 0 &&
(window->size_hints.flags & USPosition) == 0)
{
/* ignore current window position */
window->size_hints.x = 0;
window->size_hints.y = 0;
}
if (window->initially_iconic)
{
/* WM_HINTS said minimized */
window->minimized = TRUE;
meta_verbose ("Window %s asked to start out minimized\n", window->desc);
}
if (existing_wm_state == IconicState)
{
/* WM_STATE said minimized */
window->minimized = TRUE;
meta_verbose ("Window %s had preexisting WM_STATE = IconicState, minimizing\n",
window->desc);
/* Assume window was previously placed, though perhaps it's
* been iconic its whole life, we have no way of knowing.
*/
window->placed = TRUE;
}
/* FIXME we have a tendency to set this then immediately
* change it again.
*/
set_wm_state (window, window->iconic ? IconicState : NormalState);
set_net_wm_state (window);
if (window->decorated)
meta_window_ensure_frame (window);
meta_window_grab_keys (window);
meta_display_grab_window_buttons (window->display, window->xwindow);
meta_display_grab_focus_window_button (window->display, window->xwindow);
/* For the workspace, first honor hints,
* if that fails put transients with parents,
* otherwise put window on active space
*/
if (window->initial_workspace_set)
{
if (window->initial_workspace == (int) 0xFFFFFFFF)
{
meta_topic (META_DEBUG_PLACEMENT,
"Window %s is initially on all spaces\n",
window->desc);
meta_workspace_add_window (window->screen->active_workspace, window);
window->on_all_workspaces = TRUE;
}
else
{
meta_topic (META_DEBUG_PLACEMENT,
"Window %s is initially on space %d\n",
window->desc, window->initial_workspace);
space =
meta_display_get_workspace_by_screen_index (window->display,
window->screen,
window->initial_workspace);
if (space)
meta_workspace_add_window (space, window);
}
}
if (window->workspaces == NULL &&
window->xtransient_for != None)
{
/* Try putting dialog on parent's workspace */
MetaWindow *parent;
parent = meta_display_lookup_x_window (window->display,
window->xtransient_for);
if (parent)
{
GList *tmp_list;
meta_topic (META_DEBUG_PLACEMENT,
"Putting window %s on some workspaces as parent %s\n",
window->desc, parent->desc);
if (parent->on_all_workspaces)
window->on_all_workspaces = TRUE;
tmp_list = parent->workspaces;
while (tmp_list != NULL)
{
meta_workspace_add_window (tmp_list->data, window);
tmp_list = tmp_list->next;
}
}
}
if (window->workspaces == NULL)
{
meta_topic (META_DEBUG_PLACEMENT,
"Putting window %s on active workspace\n",
window->desc);
space = window->screen->active_workspace;
meta_workspace_add_window (space, window);
}
/* Only accept USPosition on normal windows because the app is full
* of shit claiming the user set -geometry for a dialog or dock
*/
if (window->type == META_WINDOW_NORMAL &&
(window->size_hints.flags & USPosition))
{
/* don't constrain with placement algorithm */
window->placed = TRUE;
meta_topic (META_DEBUG_PLACEMENT,
"Honoring USPosition for %s instead of using placement algorithm\n", window->desc);
}
/* Assume the app knows best how to place these. */
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_TOOLBAR ||
window->type == META_WINDOW_MENU ||
window->type == META_WINDOW_UTILITY)
{
if (window->size_hints.flags & PPosition)
{
window->placed = TRUE;
meta_verbose ("Not placing non-normal non-dialog window with PPosition set\n");
}
}
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK)
{
/* Change the default, but don't enforce this if
* the user focuses the dock/desktop and unsticks it
* using key shortcuts
*/
window->on_all_workspaces = TRUE;
}
/* for the various on_all_workspaces = TRUE possible above */
meta_window_set_current_workspace_hint (window);
/* Put our state back where it should be,
* passing TRUE for is_configure_request, ICCCM says
* initial map is handled same as configure request
*/
meta_window_move_resize_internal (window,
META_IS_CONFIGURE_REQUEST,
NorthWestGravity,
window->size_hints.x,
window->size_hints.y,
window->size_hints.width,
window->size_hints.height);
/* add to MRU list */
window->display->mru_list =
g_list_append (window->display->mru_list, window);
meta_stack_add (window->screen->stack,
window);
/* Now try applying saved stuff from the session */
{
const MetaWindowSessionInfo *info;
info = meta_window_lookup_saved_state (window);
if (info)
{
meta_window_apply_session_info (window, info);
meta_window_release_saved_state (info);
}
}
/* Sync stack changes */
meta_stack_thaw (window->screen->stack);
meta_window_queue_calc_showing (window);
meta_display_ungrab (display);
return window;
}
/* This function should only be called from the end of meta_window_new () */
static void
meta_window_apply_session_info (MetaWindow *window,
const MetaWindowSessionInfo *info)
{
if (info->on_all_workspaces_set)
{
window->on_all_workspaces = info->on_all_workspaces;
meta_topic (META_DEBUG_SM,
"Restoring sticky state %d for window %s\n",
window->on_all_workspaces, window->desc);
}
if (info->workspace_indices)
{
GSList *tmp;
GSList *spaces;
spaces = NULL;
tmp = info->workspace_indices;
while (tmp != NULL)
{
MetaWorkspace *space;
space =
meta_display_get_workspace_by_screen_index (window->display,
window->screen,
GPOINTER_TO_INT (tmp->data));
if (space)
spaces = g_slist_prepend (spaces, space);
tmp = tmp->next;
}
if (spaces)
{
/* This briefly breaks the invariant that we are supposed
* to always be on some workspace. But we paranoically
* ensured that one of the workspaces from the session was
* indeed valid, so we know we'll go right back to one.
*/
while (window->workspaces)
meta_workspace_remove_window (window->workspaces->data, window);
tmp = spaces;
while (tmp != NULL)
{
MetaWorkspace *space;
space = tmp->data;
meta_workspace_add_window (space, window);
meta_topic (META_DEBUG_SM,
"Restoring saved window %s to workspace %d\n",
window->desc,
meta_workspace_screen_index (space));
tmp = tmp->next;
}
g_slist_free (spaces);
}
}
if (info->geometry_set)
{
int x, y, w, h;
window->placed = TRUE; /* don't do placement algorithms later */
x = info->rect.x;
y = info->rect.y;
w = window->size_hints.base_width +
info->rect.width * window->size_hints.width_inc;
h = window->size_hints.base_height +
info->rect.height * window->size_hints.height_inc;
/* Force old gravity, ignoring anything now set */
window->size_hints.win_gravity = info->gravity;
meta_topic (META_DEBUG_SM,
"Restoring pos %d,%d size %d x %d for %s\n",
x, y, w, h, window->desc);
meta_window_move_resize_internal (window,
META_DO_GRAVITY_ADJUST,
NorthWestGravity,
x, y, w, h);
}
}
void
meta_window_free (MetaWindow *window)
{
GList *tmp;
meta_verbose ("Unmanaging 0x%lx\n", window->xwindow);
if (destroying_windows_disallowed > 0)
meta_bug ("Tried to destroy window %s while destruction was not allowed\n",
window->desc);
window->unmanaging = TRUE;
/* If we have the focus, focus some other window.
* This is done first, so that if the unmap causes
* an EnterNotify the EnterNotify will have final say
* on what gets focused, maintaining sloppy focus
* invariants.
*/
if (window->has_focus)
{
meta_topic (META_DEBUG_FOCUS,
"Focusing top window since we're unmanaging %s\n",
window->desc);
meta_screen_focus_top_window (window->screen, window);
}
else
{
meta_topic (META_DEBUG_FOCUS,
"Unmanaging window %s which doesn't currently have focus\n",
window->desc);
}
if (window->has_struts)
{
meta_topic (META_DEBUG_WORKAREA,
"Unmanaging window %s which has struts, so invalidating work areas\n",
window->desc);
invalidate_work_areas (window);
}
if (window->display->grab_window == window)
meta_display_end_grab_op (window->display,
meta_display_get_current_time (window->display));
g_assert (window->display->grab_window != window);
if (window->display->focus_window == window)
window->display->focus_window = NULL;
window->display->mru_list =
g_list_remove (window->display->mru_list, window);
meta_window_unqueue_calc_showing (window);
meta_window_unqueue_move_resize (window);
tmp = window->workspaces;
while (tmp != NULL)
{
GList *next;
next = tmp->next;
/* pops front of list */
meta_workspace_remove_window (tmp->data, window);
tmp = next;
}
g_assert (window->workspaces == NULL);
meta_stack_remove (window->screen->stack, window);
/* FIXME restore original size if window has maximized */
if (window->withdrawn)
{
/* We need to clean off the window's state so it
* won't be restored if the app maps it again.
*/
meta_error_trap_push (window->display);
meta_verbose ("Cleaning state from window %s\n", window->desc);
XDeleteProperty (window->display->xdisplay,
window->xwindow,
window->display->atom_net_wm_desktop);
XDeleteProperty (window->display->xdisplay,
window->xwindow,
window->display->atom_net_wm_state);
set_wm_state (window, WithdrawnState);
meta_error_trap_pop (window->display);
}
if (window->frame)
meta_window_destroy_frame (window);
meta_window_ungrab_keys (window);
meta_display_ungrab_window_buttons (window->display, window->xwindow);
meta_display_ungrab_focus_window_button (window->display, window->xwindow);
meta_display_unregister_x_window (window->display, window->xwindow);
meta_error_trap_push (window->display);
/* Put back anything we messed up */
if (window->border_width != 0)
XSetWindowBorderWidth (window->display->xdisplay,
window->xwindow,
window->border_width);
/* No save set */
XRemoveFromSaveSet (window->display->xdisplay,
window->xwindow);
/* Don't get events on not-managed windows */
XSelectInput (window->display->xdisplay,
window->xwindow,
NoEventMask);
meta_error_trap_pop (window->display);
if (window->icon)
g_object_unref (G_OBJECT (window->icon));
if (window->mini_icon)
g_object_unref (G_OBJECT (window->mini_icon));
meta_icon_cache_free (&window->icon_cache);
g_free (window->sm_client_id);
g_free (window->role);
g_free (window->res_class);
g_free (window->res_name);
g_free (window->title);
g_free (window->icon_name);
g_free (window->desc);
g_free (window);
}
static int
set_wm_state (MetaWindow *window,
int state)
{
unsigned long data[2];
meta_verbose ("Setting wm state %s on %s\n",
wm_state_to_string (state), window->desc);
/* twm sets the icon window as data[1], I couldn't find that in
* ICCCM.
*/
data[0] = state;
data[1] = None;
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay, window->xwindow,
window->display->atom_wm_state,
window->display->atom_wm_state,
32, PropModeReplace, (guchar*) data, 2);
return meta_error_trap_pop (window->display);
}
static int
set_net_wm_state (MetaWindow *window)
{
int i;
unsigned long data[10];
i = 0;
if (window->shaded)
{
data[i] = window->display->atom_net_wm_state_shaded;
++i;
}
if (window->wm_state_modal)
{
data[i] = window->display->atom_net_wm_state_modal;
++i;
}
if (window->wm_state_skip_pager)
{
data[i] = window->display->atom_net_wm_state_skip_pager;
++i;
}
if (window->wm_state_skip_taskbar)
{
data[i] = window->display->atom_net_wm_state_skip_taskbar;
++i;
}
if (window->maximized)
{
data[i] = window->display->atom_net_wm_state_maximized_horz;
++i;
data[i] = window->display->atom_net_wm_state_maximized_vert;
++i;
}
if (window->fullscreen)
{
data[i] = window->display->atom_net_wm_state_fullscreen;
++i;
}
if (window->shaded || window->minimized)
{
data[i] = window->display->atom_net_wm_state_hidden;
++i;
}
meta_verbose ("Setting _NET_WM_STATE with %d atoms\n", i);
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay, window->xwindow,
window->display->atom_net_wm_state,
XA_ATOM,
32, PropModeReplace, (guchar*) data, i);
return meta_error_trap_pop (window->display);
}
gboolean
meta_window_visible_on_workspace (MetaWindow *window,
MetaWorkspace *workspace)
{
return window->on_all_workspaces ||
meta_workspace_contains_window (workspace, window);
}
void
meta_window_calc_showing (MetaWindow *window)
{
gboolean on_workspace;
meta_verbose ("Calc showing for window %s\n", window->desc);
on_workspace = meta_window_visible_on_workspace (window,
window->screen->active_workspace);
if (!on_workspace)
meta_verbose ("Window %s is not on workspace %d\n",
window->desc,
meta_workspace_index (window->screen->active_workspace));
else
meta_verbose ("Window %s is on the active workspace %d\n",
window->desc,
meta_workspace_index (window->screen->active_workspace));
if (window->on_all_workspaces)
meta_verbose ("Window %s is on all workspaces\n", window->desc);
if (on_workspace &&
window->display->showing_desktop &&
window->type != META_WINDOW_DESKTOP &&
window->type != META_WINDOW_DOCK)
{
meta_verbose ("Window %s is on current workspace, but we're showing the desktop\n",
window->desc);
on_workspace = FALSE;
}
if (window->minimized || !on_workspace)
{
/* Really this effects code should probably
* be in meta_window_hide so the window->mapped
* test isn't duplicated here. Anyhow, we animate
* if we are mapped now, we are supposed to
* be minimized, and we are on the current workspace.
*/
if (on_workspace && window->minimized && window->mapped)
{
MetaRectangle icon_rect, window_rect;
gboolean result;
/* Check if the window has an icon geometry */
result = meta_window_get_icon_geometry (window, &icon_rect);
if (!result)
{
/* just animate into the corner somehow - maybe
* not a good idea...
*/
icon_rect.x = window->screen->width;
icon_rect.y = window->screen->height;
icon_rect.width = 1;
icon_rect.height = 1;
}
meta_window_get_outer_rect (window, &window_rect);
/* Draw a nice cool animation */
meta_effects_draw_box_animation (window->screen,
&window_rect,
&icon_rect,
META_MINIMIZE_ANIMATION_LENGTH,
META_BOX_ANIM_SCALE);
}
meta_window_hide (window);
}
else
{
meta_window_show (window);
}
}
static guint calc_showing_idle = 0;
static GSList *calc_showing_pending = NULL;
static int
stackcmp (gconstpointer a, gconstpointer b)
{
MetaWindow *aw = (gpointer) a;
MetaWindow *bw = (gpointer) b;
if (aw->screen != bw->screen)
return 0; /* don't care how they sort with respect to each other */
else
return meta_stack_windows_cmp (aw->screen->stack,
aw, bw);
}
static gboolean
idle_calc_showing (gpointer data)
{
GSList *tmp;
GSList *copy;
meta_topic (META_DEBUG_WINDOW_STATE,
"Clearing the calc_showing queue\n");
/* Work with a copy, for reentrancy. The allowed reentrancy isn't
* complete; destroying a window while we're in here would result in
* badness. But it's OK to queue/unqueue calc_showings.
*/
copy = g_slist_copy (calc_showing_pending);
g_slist_free (calc_showing_pending);
calc_showing_pending = NULL;
calc_showing_idle = 0;
destroying_windows_disallowed += 1;
/* sort them from bottom to top, so we map the
* bottom windows first, so that placement (e.g. cascading)
* works properly
*/
copy = g_slist_sort (copy, stackcmp);
tmp = copy;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
meta_window_calc_showing (window);
/* important to set this here for reentrancy -
* if we queue a window again while it's in "copy",
* then queue_calc_showing will just return since
* calc_showing_queued = TRUE still
*/
window->calc_showing_queued = FALSE;
tmp = tmp->next;
}
g_slist_free (copy);
destroying_windows_disallowed -= 1;
return FALSE;
}
void
meta_window_unqueue_calc_showing (MetaWindow *window)
{
if (!window->calc_showing_queued)
return;
meta_topic (META_DEBUG_WINDOW_STATE,
"Removing %s from the calc_showing queue\n",
window->desc);
/* Note that window may not actually be in move_resize_pending
* because it may have been in "copy" inside the idle handler
*/
calc_showing_pending = g_slist_remove (calc_showing_pending, window);
window->calc_showing_queued = FALSE;
if (calc_showing_pending == NULL &&
calc_showing_idle != 0)
{
g_source_remove (calc_showing_idle);
calc_showing_idle = 0;
}
}
void
meta_window_flush_calc_showing (MetaWindow *window)
{
if (window->calc_showing_queued)
{
meta_window_unqueue_calc_showing (window);
meta_window_calc_showing (window);
}
}
void
meta_window_queue_calc_showing (MetaWindow *window)
{
/* if withdrawn = TRUE then unmanaging should also be TRUE,
* really.
*/
if (window->unmanaging || window->withdrawn)
return;
if (window->calc_showing_queued)
return;
meta_topic (META_DEBUG_WINDOW_STATE,
"Putting %s in the calc_showing queue\n",
window->desc);
window->calc_showing_queued = TRUE;
if (calc_showing_idle == 0)
calc_showing_idle = g_idle_add (idle_calc_showing, NULL);
calc_showing_pending = g_slist_prepend (calc_showing_pending, window);
}
void
meta_window_show (MetaWindow *window)
{
gboolean did_placement;
gboolean did_show;
meta_topic (META_DEBUG_WINDOW_STATE,
"Showing window %s, shaded: %d iconic: %d placed: %d\n",
window->desc, window->shaded, window->iconic, window->placed);
did_show = FALSE;
did_placement = FALSE;
if (!window->placed)
{
/* We have to recalc the placement here since other windows may
* have been mapped/placed since we last did constrain_position
*/
/* calc_placement is an efficiency hack to avoid
* multiple placement calculations before we finally
* show the window.
*/
window->calc_placement = TRUE;
meta_window_move_resize_now (window);
window->calc_placement = FALSE;
/* don't ever do the initial position constraint thing again.
* This is toggled here so that initially-iconified windows
* still get placed when they are ultimately shown.
*/
window->placed = TRUE;
did_placement = TRUE;
}
/* Shaded means the frame is mapped but the window is not */
if (window->frame && !window->frame->mapped)
{
meta_topic (META_DEBUG_WINDOW_STATE,
"Frame actually needs map\n");
window->frame->mapped = TRUE;
meta_ui_map_frame (window->screen->ui, window->frame->xwindow);
did_show = TRUE;
}
if (window->shaded)
{
if (window->mapped)
{
meta_topic (META_DEBUG_WINDOW_STATE,
"%s actually needs unmap (shaded)\n", window->desc);
meta_topic (META_DEBUG_WINDOW_STATE,
"Incrementing unmaps_pending on %s for shade\n",
window->desc);
window->mapped = FALSE;
window->unmaps_pending += 1;
meta_error_trap_push (window->display);
XUnmapWindow (window->display->xdisplay, window->xwindow);
meta_error_trap_pop (window->display);
}
if (!window->iconic)
{
window->iconic = TRUE;
set_wm_state (window, IconicState);
}
}
else
{
if (!window->mapped)
{
meta_topic (META_DEBUG_WINDOW_STATE,
"%s actually needs map\n", window->desc);
window->mapped = TRUE;
meta_error_trap_push (window->display);
XMapWindow (window->display->xdisplay, window->xwindow);
meta_error_trap_pop (window->display);
did_show = TRUE;
}
if (window->iconic)
{
window->iconic = FALSE;
set_wm_state (window, NormalState);
}
}
if (did_placement)
{
if (window->xtransient_for != None)
{
MetaWindow *parent;
parent =
meta_display_lookup_x_window (window->display,
window->xtransient_for);
if (parent && parent->has_focus)
{
meta_topic (META_DEBUG_FOCUS,
"Focusing transient window '%s' since parent had focus\n",
window->desc);
meta_window_focus (window,
meta_display_get_current_time (window->display));
}
}
/* Always focus new windows in click-to-focus */
if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_CLICK)
meta_window_focus (window,
meta_display_get_current_time (window->display));
}
if (did_show)
{
set_net_wm_state (window);
if (window->has_struts)
{
meta_topic (META_DEBUG_WORKAREA,
"Mapped window %s with struts, so invalidating work areas\n",
window->desc);
invalidate_work_areas (window);
}
}
}
void
meta_window_hide (MetaWindow *window)
{
gboolean did_hide;
meta_topic (META_DEBUG_WINDOW_STATE,
"Hiding window %s\n", window->desc);
did_hide = FALSE;
if (window->frame && window->frame->mapped)
{
meta_topic (META_DEBUG_WINDOW_STATE, "Frame actually needs unmap\n");
window->frame->mapped = FALSE;
meta_ui_unmap_frame (window->screen->ui, window->frame->xwindow);
did_hide = TRUE;
}
if (window->mapped)
{
meta_topic (META_DEBUG_WINDOW_STATE,
"%s actually needs unmap\n", window->desc);
meta_topic (META_DEBUG_WINDOW_STATE,
"Incrementing unmaps_pending on %s for hide\n",
window->desc);
window->mapped = FALSE;
window->unmaps_pending += 1;
meta_error_trap_push (window->display);
XUnmapWindow (window->display->xdisplay, window->xwindow);
meta_error_trap_pop (window->display);
did_hide = TRUE;
}
if (!window->iconic)
{
window->iconic = TRUE;
set_wm_state (window, IconicState);
}
if (did_hide)
{
set_net_wm_state (window);
if (window->has_struts)
{
meta_topic (META_DEBUG_WORKAREA,
"Unmapped window %s with struts, so invalidating work areas\n",
window->desc);
invalidate_work_areas (window);
}
}
}
void
meta_window_minimize (MetaWindow *window)
{
if (!window->minimized)
{
window->minimized = TRUE;
meta_window_queue_calc_showing (window);
if (window->has_focus)
{
meta_topic (META_DEBUG_FOCUS,
"Focusing top window due to minimization of focus window %s\n",
window->desc);
meta_screen_focus_top_window (window->screen, window);
}
else
{
meta_topic (META_DEBUG_FOCUS,
"Minimizing window %s which doesn't have the focus\n",
window->desc);
}
}
}
void
meta_window_unminimize (MetaWindow *window)
{
if (window->display->showing_desktop)
meta_display_unshow_desktop (window->display);
if (window->minimized)
{
window->minimized = FALSE;
meta_window_queue_calc_showing (window);
}
}
void
meta_window_maximize (MetaWindow *window)
{
if (!window->maximized)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Maximizing %s\n", window->desc);
window->maximized = TRUE;
/* FIXME why did I put this here? */
meta_window_raise (window);
/* save size/pos as appropriate args for move_resize */
window->saved_rect = window->rect;
if (window->frame)
{
window->saved_rect.x += window->frame->rect.x;
window->saved_rect.y += window->frame->rect.y;
}
/* move_resize with new maximization constraints
*/
meta_window_queue_move_resize (window);
set_net_wm_state (window);
}
}
void
meta_window_unmaximize (MetaWindow *window)
{
if (window->maximized)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Unmaximizing %s\n", window->desc);
window->maximized = FALSE;
meta_window_move_resize (window,
TRUE,
window->saved_rect.x,
window->saved_rect.y,
window->saved_rect.width,
window->saved_rect.height);
set_net_wm_state (window);
}
}
void
meta_window_make_fullscreen (MetaWindow *window)
{
if (!window->fullscreen)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Fullscreening %s\n", window->desc);
window->fullscreen = TRUE;
/* FIXME why did I put this here? */
meta_window_raise (window);
/* save size/pos as appropriate args for move_resize */
window->saved_rect = window->rect;
if (window->frame)
{
window->saved_rect.x += window->frame->rect.x;
window->saved_rect.y += window->frame->rect.y;
}
/* move_resize with new constraints
*/
meta_window_queue_move_resize (window);
set_net_wm_state (window);
}
}
void
meta_window_unmake_fullscreen (MetaWindow *window)
{
if (window->fullscreen)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Unfullscreening %s\n", window->desc);
window->fullscreen = FALSE;
meta_window_move_resize (window,
TRUE,
window->saved_rect.x,
window->saved_rect.y,
window->saved_rect.width,
window->saved_rect.height);
set_net_wm_state (window);
}
}
void
meta_window_shade (MetaWindow *window)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Shading %s\n", window->desc);
if (!window->shaded)
{
if (window->mapped)
{
/* Animation */
MetaRectangle starting_size;
MetaRectangle titlebar_size;
meta_window_get_outer_rect (window, &starting_size);
if (window->frame)
{
starting_size.y += window->frame->child_y;
starting_size.height -= window->frame->child_y;
}
titlebar_size = starting_size;
titlebar_size.height = 0;
meta_effects_draw_box_animation (window->screen,
&starting_size,
&titlebar_size,
META_SHADE_ANIMATION_LENGTH,
META_BOX_ANIM_SLIDE_UP);
}
window->shaded = TRUE;
meta_window_queue_move_resize (window);
meta_window_queue_calc_showing (window);
/* After queuing the calc showing, since _focus flushes it,
* and we need to focus the frame
*/
meta_topic (META_DEBUG_FOCUS,
"Re-focusing window %s after shading it\n",
window->desc);
meta_window_focus (window,
meta_display_get_current_time (window->display));
set_net_wm_state (window);
}
}
void
meta_window_unshade (MetaWindow *window)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Unshading %s\n", window->desc);
if (window->shaded)
{
window->shaded = FALSE;
meta_window_queue_move_resize (window);
meta_window_queue_calc_showing (window);
/* focus the window */
meta_topic (META_DEBUG_FOCUS,
"Focusing window %s after unshading it\n",
window->desc);
meta_window_focus (window, meta_display_get_current_time (window->display));
set_net_wm_state (window);
}
}
void
meta_window_activate (MetaWindow *window,
guint32 timestamp)
{
/* Get window on current workspace */
if (!meta_window_visible_on_workspace (window,
window->screen->active_workspace))
meta_window_change_workspace (window,
window->screen->active_workspace);
if (window->shaded)
meta_window_unshade (window);
if (window->minimized)
meta_window_unminimize (window);
meta_window_raise (window);
meta_topic (META_DEBUG_FOCUS,
"Focusing window %s due to activation\n",
window->desc);
meta_window_focus (window, timestamp);
}
/* returns values suitable for meta_window_move */
static void
adjust_for_gravity (MetaWindow *window,
MetaFrameGeometry *fgeom,
gboolean coords_assume_border,
int x,
int y,
int *xp,
int *yp)
{
int ref_x, ref_y;
int bw;
int child_x, child_y;
int frame_width, frame_height;
if (coords_assume_border)
bw = window->border_width;
else
bw = 0;
if (fgeom)
{
child_x = fgeom->left_width;
child_y = fgeom->top_height;
frame_width = child_x + window->rect.width + fgeom->right_width;
frame_height = child_y + window->rect.height + fgeom->bottom_height;
}
else
{
child_x = 0;
child_y = 0;
frame_width = window->rect.width;
frame_height = window->rect.height;
}
/* We're computing position to pass to window_move, which is
* the position of the client window (StaticGravity basically)
*
* (see WM spec description of gravity computation, but note that
* their formulas assume we're honoring the border width, rather
* than compensating for having turned it off)
*/
switch (window->size_hints.win_gravity)
{
case NorthWestGravity:
ref_x = x;
ref_y = y;
break;
case NorthGravity:
ref_x = x + window->rect.width / 2 + bw;
ref_y = y;
break;
case NorthEastGravity:
ref_x = x + window->rect.width + bw * 2;
ref_y = y;
break;
case WestGravity:
ref_x = x;
ref_y = y + window->rect.height / 2 + bw;
break;
case CenterGravity:
ref_x = x + window->rect.width / 2 + bw;
ref_y = y + window->rect.height / 2 + bw;
break;
case EastGravity:
ref_x = x + window->rect.width + bw * 2;
ref_y = y + window->rect.height / 2 + bw;
break;
case SouthWestGravity:
ref_x = x;
ref_y = y + window->rect.height + bw * 2;
break;
case SouthGravity:
ref_x = x + window->rect.width / 2 + bw;
ref_y = y + window->rect.height + bw * 2;
break;
case SouthEastGravity:
ref_x = x + window->rect.width + bw * 2;
ref_y = y + window->rect.height + bw * 2;
break;
case StaticGravity:
default:
ref_x = x;
ref_y = y;
break;
}
switch (window->size_hints.win_gravity)
{
case NorthWestGravity:
*xp = ref_x + child_x;
*yp = ref_y + child_y;
break;
case NorthGravity:
*xp = ref_x - frame_width / 2 + child_x;
*yp = ref_y + child_y;
break;
case NorthEastGravity:
*xp = ref_x - frame_width + child_x;
*yp = ref_y + child_y;
break;
case WestGravity:
*xp = ref_x + child_x;
*yp = ref_y - frame_height / 2 + child_y;
break;
case CenterGravity:
*xp = ref_x - frame_width / 2 + child_x;
*yp = ref_y - frame_height / 2 + child_y;
break;
case EastGravity:
*xp = ref_x - frame_width + child_x;
*yp = ref_y - frame_height / 2 + child_y;
break;
case SouthWestGravity:
*xp = ref_x + child_x;
*yp = ref_y - frame_height + child_y;
break;
case SouthGravity:
*xp = ref_x - frame_width / 2 + child_x;
*yp = ref_y - frame_height + child_y;
break;
case SouthEastGravity:
*xp = ref_x - frame_width + child_x;
*yp = ref_y - frame_height + child_y;
break;
case StaticGravity:
default:
*xp = ref_x;
*yp = ref_y;
break;
}
}
static gboolean
static_gravity_works (MetaDisplay *display)
{
return display->static_gravity_works;
}
static void
meta_window_move_resize_internal (MetaWindow *window,
MetaMoveResizeFlags flags,
int resize_gravity,
int root_x_nw,
int root_y_nw,
int w,
int h)
{
XWindowChanges values;
unsigned int mask;
gboolean need_configure_notify;
MetaFrameGeometry fgeom;
gboolean need_move_client = FALSE;
gboolean need_move_frame = FALSE;
gboolean need_resize_client = FALSE;
gboolean need_resize_frame = FALSE;
int size_dx;
int size_dy;
int frame_size_dx;
int frame_size_dy;
gboolean is_configure_request;
gboolean do_gravity_adjust;
gboolean is_user_action;
gboolean configure_frame_first;
gboolean use_static_gravity;
/* used for the configure request, but may not be final
* destination due to StaticGravity etc.
*/
int client_move_x;
int client_move_y;
/* We don't need it in the idle queue anymore. */
meta_window_unqueue_move_resize (window);
is_configure_request = (flags & META_IS_CONFIGURE_REQUEST) != 0;
do_gravity_adjust = (flags & META_DO_GRAVITY_ADJUST) != 0;
is_user_action = (flags & META_USER_MOVE_RESIZE) != 0;
{
int oldx, oldy;
meta_window_get_position (window, &oldx, &oldy);
meta_topic (META_DEBUG_GEOMETRY,
"Move/resize %s to %d,%d %dx%d%s%s from %d,%d %dx%d\n",
window->desc, root_x_nw, root_y_nw, w, h,
is_configure_request ? " (configure request)" : "",
is_user_action ? " (user move/resize)" : "",
oldx, oldy, window->rect.width, window->rect.height);
}
if (window->frame)
meta_frame_calc_geometry (window->frame,
&fgeom);
constrain_size (window, &fgeom, w, h, &w, &h);
meta_topic (META_DEBUG_GEOMETRY,
"Constrained resize of %s to %d x %d\n", window->desc, w, h);
if (w != window->rect.width ||
h != window->rect.height)
need_resize_client = TRUE;
size_dx = w - window->rect.width;
size_dy = h - window->rect.height;
window->rect.width = w;
window->rect.height = h;
if (window->frame)
{
int new_w, new_h;
new_w = window->rect.width + fgeom.left_width + fgeom.right_width;
if (window->shaded)
new_h = fgeom.top_height;
else
new_h = window->rect.height + fgeom.top_height + fgeom.bottom_height;
frame_size_dx = new_w - window->frame->rect.width;
frame_size_dy = new_h - window->frame->rect.height;
need_resize_frame = (frame_size_dx != 0 || frame_size_dy != 0);
window->frame->rect.width = new_w;
window->frame->rect.height = new_h;
meta_topic (META_DEBUG_GEOMETRY,
"Calculated frame size %dx%d\n",
window->frame->rect.width,
window->frame->rect.height);
}
else
{
frame_size_dx = 0;
frame_size_dy = 0;
}
if (is_configure_request || do_gravity_adjust)
{
adjust_for_gravity (window,
window->frame ? &fgeom : NULL,
/* configure request coords assume
* the border width existed
*/
is_configure_request,
root_x_nw,
root_y_nw,
&root_x_nw,
&root_y_nw);
meta_topic (META_DEBUG_GEOMETRY,
"Compensated position for gravity, new pos %d,%d\n",
root_x_nw, root_y_nw);
}
/* There can be somewhat bogus interactions between gravity
* and the position constraints (with position contraints
* basically breaking gravity). Not sure how to fix this.
*/
switch (resize_gravity)
{
/* If client is staying fixed on the east during resize, then we
* have to move the west edge.
*/
case NorthEastGravity:
case EastGravity:
case SouthEastGravity:
root_x_nw -= size_dx;
break;
/* centered horizontally */
case NorthGravity:
case SouthGravity:
case CenterGravity:
root_x_nw -= size_dx / 2;
break;
default:
break;
}
switch (resize_gravity)
{
/* If client is staying fixed on the south during resize,
* we have to move the north edge
*/
case SouthGravity:
case SouthEastGravity:
case SouthWestGravity:
root_y_nw -= size_dy;
break;
/* centered vertically */
case EastGravity:
case WestGravity:
case CenterGravity:
root_y_nw -= size_dy / 2;
break;
default:
break;
}
/* For nice effect, when growing the window we want to move/resize
* the frame first, when shrinking the window we want to move/resize
* the client first. If we grow one way and shrink the other,
* see which way we're moving "more"
*
* Mail from Owen subject "Suggestion: Gravity and resizing from the left"
* http://mail.gnome.org/archives/wm-spec-list/1999-November/msg00088.html
*
* An annoying fact you need to know in this code is that StaticGravity
* does nothing if you _only_ resize or _only_ move the frame;
* it must move _and_ resize, otherwise you get NorthWestGravity
* behavior. The move and resize must actually occur, it is not
* enough to set CWX | CWWidth but pass in the current size/pos.
*/
constrain_position (window,
window->frame ? &fgeom : NULL,
root_x_nw, root_y_nw,
&root_x_nw, &root_y_nw);
meta_topic (META_DEBUG_GEOMETRY,
"Constrained position to %d,%d\n",
root_x_nw, root_y_nw);
if (window->frame)
{
int new_x, new_y;
int frame_pos_dx, frame_pos_dy;
/* Compute new frame coords */
new_x = root_x_nw - fgeom.left_width;
new_y = root_y_nw - fgeom.top_height;
frame_pos_dx = new_x - window->frame->rect.x;
frame_pos_dy = new_y - window->frame->rect.y;
need_move_frame = (frame_pos_dx != 0 || frame_pos_dy != 0);
window->frame->rect.x = new_x;
window->frame->rect.y = new_y;
/* If frame will both move and resize, then StaticGravity
* on the child window will kick in and implicitly move
* the child with respect to the frame. The implicit
* move will keep the child in the same place with
* respect to the root window. If frame only moves
* or only resizes, then the child will just move along
* with the frame.
*/
/* window->rect.x, window->rect.y are relative to frame,
* remember they are the server coords
*/
new_x = fgeom.left_width;
new_y = fgeom.top_height;
if (need_resize_frame && need_move_frame &&
static_gravity_works (window->display))
{
/* static gravity kicks in because frame
* is both moved and resized
*/
/* when we move the frame by frame_pos_dx, frame_pos_dy the
* client will implicitly move relative to frame by the
* inverse delta.
*
* When moving client then frame, we move the client by the
* frame delta, to be canceled out by the implicit move by
* the inverse frame delta, resulting in a client at new_x,
* new_y.
*
* When moving frame then client, we move the client
* by the same delta as the frame, because the client
* was "left behind" by the frame - resulting in a client
* at new_x, new_y.
*
* In both cases we need to move the client window
* in all cases where we had to move the frame window.
*/
client_move_x = new_x + frame_pos_dx;
client_move_y = new_y + frame_pos_dy;
if (need_move_frame)
need_move_client = TRUE;
use_static_gravity = TRUE;
}
else
{
client_move_x = new_x;
client_move_y = new_y;
if (client_move_x != window->rect.x ||
client_move_y != window->rect.y)
need_move_client = TRUE;
use_static_gravity = FALSE;
}
/* This is the final target position, but not necessarily what
* we pass to XConfigureWindow, due to StaticGravity implicit
* movement.
*/
window->rect.x = new_x;
window->rect.y = new_y;
}
else
{
if (root_x_nw != window->rect.x ||
root_y_nw != window->rect.y)
need_move_client = TRUE;
window->rect.x = root_x_nw;
window->rect.y = root_y_nw;
client_move_x = window->rect.x;
client_move_y = window->rect.y;
use_static_gravity = FALSE;
}
/* Fill in other frame member variables */
if (window->frame)
{
window->frame->child_x = fgeom.left_width;
window->frame->child_y = fgeom.top_height;
window->frame->right_width = fgeom.right_width;
window->frame->bottom_height = fgeom.bottom_height;
}
/* See ICCCM 4.1.5 for when to send ConfigureNotify */
need_configure_notify = FALSE;
/* If this is a configure request and we change nothing, then we
* must send configure notify.
*/
if (is_configure_request &&
!(need_move_client || need_move_frame ||
need_resize_client || need_resize_frame ||
window->border_width != 0))
need_configure_notify = TRUE;
/* We must send configure notify if we move but don't resize, since
* the client window may not get a real event
*/
if ((need_move_client || need_move_frame) &&
!(need_resize_client || need_resize_frame))
need_configure_notify = TRUE;
/* The rest of this function syncs our new size/pos with X as
* efficiently as possible
*/
if (use_static_gravity)
{
if ((size_dx + size_dy) >= 0)
configure_frame_first = FALSE;
else
configure_frame_first = TRUE;
}
else
{
configure_frame_first = FALSE;
}
if (use_static_gravity)
meta_window_set_gravity (window, StaticGravity);
if (configure_frame_first && window->frame)
meta_frame_sync_to_window (window->frame,
resize_gravity,
need_move_frame, need_resize_frame);
values.border_width = 0;
values.x = client_move_x;
values.y = client_move_y;
values.width = window->rect.width;
values.height = window->rect.height;
mask = 0;
if (is_configure_request && window->border_width != 0)
mask |= CWBorderWidth; /* must force to 0 */
if (need_move_client)
mask |= (CWX | CWY);
if (need_resize_client)
mask |= (CWWidth | CWHeight);
if (mask != 0)
{
{
int newx, newy;
meta_window_get_position (window, &newx, &newy);
meta_topic (META_DEBUG_GEOMETRY,
"Syncing new client geometry %d,%d %dx%d, border: %s pos: %s size: %s\n",
newx, newy,
window->rect.width, window->rect.height,
mask & CWBorderWidth ? "true" : "false",
need_move_client ? "true" : "false",
need_resize_client ? "true" : "false");
}
meta_error_trap_push (window->display);
XConfigureWindow (window->display->xdisplay,
window->xwindow,
mask,
&values);
meta_error_trap_pop (window->display);
}
if (!configure_frame_first && window->frame)
meta_frame_sync_to_window (window->frame,
resize_gravity,
need_move_frame, need_resize_frame);
/* Put gravity back to be nice to lesser window managers */
if (use_static_gravity)
meta_window_set_gravity (window, NorthWestGravity);
if (need_configure_notify)
send_configure_notify (window);
if (is_user_action)
{
window->user_has_move_resized = TRUE;
window->user_rect.width = window->rect.width;
window->user_rect.height = window->rect.height;
meta_window_get_position (window,
&window->user_rect.x,
&window->user_rect.y);
}
if (need_move_frame || need_resize_frame ||
need_move_client || need_resize_client)
{
int newx, newy;
meta_window_get_position (window, &newx, &newy);
meta_topic (META_DEBUG_GEOMETRY,
"New size/position %d,%d %dx%d (user %d,%d %dx%d)\n",
newx, newy, window->rect.width, window->rect.height,
window->user_rect.x, window->user_rect.y,
window->user_rect.width, window->user_rect.height);
}
else
{
meta_topic (META_DEBUG_GEOMETRY, "Size/position not modified\n");
}
/* Update struts for new window size */
if (window->do_not_cover && (need_resize_client || need_move_client))
{
recalc_do_not_cover_struts (window);
/* Does a resize on all windows on entire current workspace,
* would be an infinite loop except for need_resize_client
* above. We rely on reaching an equilibrium state, which
* is somewhat fragile, though.
*/
meta_topic (META_DEBUG_WORKAREA, "Window %s resized so invalidating its work areas\n",
window->desc);
invalidate_work_areas (window);
}
meta_window_refresh_resize_popup (window);
/* Invariants leaving this function are:
* a) window->rect and frame->rect reflect the actual
* server-side size/pos of window->xwindow and frame->xwindow
* b) all constraints are obeyed by window->rect and frame->rect
*/
}
void
meta_window_resize (MetaWindow *window,
gboolean user_op,
int w,
int h)
{
int x, y;
meta_window_get_position (window, &x, &y);
meta_window_move_resize_internal (window,
user_op ? META_USER_MOVE_RESIZE : 0,
NorthWestGravity,
x, y, w, h);
}
void
meta_window_move (MetaWindow *window,
gboolean user_op,
int root_x_nw,
int root_y_nw)
{
meta_window_move_resize_internal (window,
user_op ? META_USER_MOVE_RESIZE : 0,
NorthWestGravity,
root_x_nw, root_y_nw,
window->rect.width,
window->rect.height);
}
void
meta_window_move_resize (MetaWindow *window,
gboolean user_op,
int root_x_nw,
int root_y_nw,
int w,
int h)
{
meta_window_move_resize_internal (window,
user_op ? META_USER_MOVE_RESIZE : 0,
NorthWestGravity,
root_x_nw, root_y_nw,
w, h);
}
void
meta_window_resize_with_gravity (MetaWindow *window,
gboolean user_op,
int w,
int h,
int gravity)
{
int x, y;
meta_window_get_position (window, &x, &y);
meta_window_move_resize_internal (window,
user_op ? META_USER_MOVE_RESIZE : 0,
gravity,
x, y, w, h);
}
void
meta_window_move_resize_now (MetaWindow *window)
{
int x, y;
/* If constraints have changed then we'll snap back to wherever
* the user had the window
*/
meta_window_get_user_position (window, &x, &y);
meta_window_move_resize (window, FALSE, x, y,
window->user_has_move_resized ?
window->user_rect.width : window->rect.width,
window->user_has_move_resized ?
window->user_rect.height : window->rect.height);
}
static guint move_resize_idle = 0;
static GSList *move_resize_pending = NULL;
/* We want to put windows whose size/pos affects other
* windows earlier in the queue, for efficiency.
*/
static int
move_resize_cmp (gconstpointer a, gconstpointer b)
{
MetaWindow *aw = (gpointer) a;
MetaWindow *bw = (gpointer) b;
if (aw->do_not_cover && !bw->do_not_cover)
return -1; /* aw before bw */
else if (!aw->do_not_cover && bw->do_not_cover)
return 1;
else
return 0;
}
static gboolean
idle_move_resize (gpointer data)
{
GSList *tmp;
GSList *copy;
meta_topic (META_DEBUG_GEOMETRY, "Clearing the move_resize queue\n");
/* Work with a copy, for reentrancy. The allowed reentrancy isn't
* complete; destroying a window while we're in here would result in
* badness. But it's OK to queue/unqueue move_resizes.
*/
copy = g_slist_copy (move_resize_pending);
g_slist_free (move_resize_pending);
move_resize_pending = NULL;
move_resize_idle = 0;
destroying_windows_disallowed += 1;
copy = g_slist_sort (copy, move_resize_cmp);
tmp = copy;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
/* As a side effect, sets window->move_resize_queued = FALSE */
meta_window_move_resize_now (window);
tmp = tmp->next;
}
g_slist_free (copy);
destroying_windows_disallowed -= 1;
return FALSE;
}
void
meta_window_unqueue_move_resize (MetaWindow *window)
{
if (!window->move_resize_queued)
return;
meta_topic (META_DEBUG_GEOMETRY,
"Removing %s from the move_resize queue\n",
window->desc);
/* Note that window may not actually be in move_resize_pending
* because it may have been in "copy" inside the idle handler
*/
move_resize_pending = g_slist_remove (move_resize_pending, window);
window->move_resize_queued = FALSE;
if (move_resize_pending == NULL &&
move_resize_idle != 0)
{
g_source_remove (move_resize_idle);
move_resize_idle = 0;
}
}
void
meta_window_flush_move_resize (MetaWindow *window)
{
if (window->move_resize_queued)
{
meta_window_unqueue_move_resize (window);
meta_window_move_resize_now (window);
}
}
/* The move/resize queue is only used when we need to
* recheck the constraints on the window, e.g. when
* maximizing or when changing struts. Configure requests
* and such always have to be handled synchronously,
* they can't be done via a queue.
*/
void
meta_window_queue_move_resize (MetaWindow *window)
{
if (window->unmanaging)
return;
if (window->move_resize_queued)
return;
meta_topic (META_DEBUG_GEOMETRY,
"Putting %s in the move_resize queue\n",
window->desc);
window->move_resize_queued = TRUE;
if (move_resize_idle == 0)
move_resize_idle = g_idle_add (idle_move_resize, NULL);
move_resize_pending = g_slist_prepend (move_resize_pending, window);
}
void
meta_window_get_position (MetaWindow *window,
int *x,
int *y)
{
if (window->frame)
{
if (x)
*x = window->frame->rect.x + window->frame->child_x;
if (y)
*y = window->frame->rect.y + window->frame->child_y;
}
else
{
if (x)
*x = window->rect.x;
if (y)
*y = window->rect.y;
}
}
void
meta_window_get_user_position (MetaWindow *window,
int *x,
int *y)
{
if (window->user_has_move_resized)
{
if (x)
*x = window->user_rect.x;
if (y)
*y = window->user_rect.y;
}
else
{
meta_window_get_position (window, x, y);
}
}
void
meta_window_get_gravity_position (MetaWindow *window,
int *root_x,
int *root_y)
{
MetaRectangle frame_extents;
int w, h;
int x, y;
w = window->rect.width;
h = window->rect.height;
if (window->size_hints.win_gravity == StaticGravity)
{
frame_extents = window->rect;
if (window->frame)
{
frame_extents.x = window->frame->rect.x + window->frame->child_x;
frame_extents.y = window->frame->rect.y + window->frame->child_y;
}
}
else
{
if (window->frame == NULL)
frame_extents = window->rect;
else
frame_extents = window->frame->rect;
}
x = frame_extents.x;
y = frame_extents.y;
switch (window->size_hints.win_gravity)
{
case NorthGravity:
case CenterGravity:
case SouthGravity:
/* Find center of frame. */
x += frame_extents.width / 2;
/* Center client window on that point. */
x -= w / 2;
break;
case SouthEastGravity:
case EastGravity:
case NorthEastGravity:
/* Find right edge of frame */
x += frame_extents.width;
/* Align left edge of client at that point. */
x -= w;
break;
default:
break;
}
switch (window->size_hints.win_gravity)
{
case WestGravity:
case CenterGravity:
case EastGravity:
/* Find center of frame. */
y += frame_extents.height / 2;
/* Center client window there. */
y -= h / 2;
break;
case SouthWestGravity:
case SouthGravity:
case SouthEastGravity:
/* Find south edge of frame */
y += frame_extents.height;
/* Place bottom edge of client there */
y -= h;
break;
default:
break;
}
if (root_x)
*root_x = x;
if (root_y)
*root_y = y;
}
void
meta_window_get_geometry (MetaWindow *window,
int *x,
int *y,
int *width,
int *height)
{
meta_window_get_gravity_position (window, x, y);
*width = (window->rect.width - window->size_hints.base_width) /
window->size_hints.width_inc;
*height = (window->rect.height - window->size_hints.base_height) /
window->size_hints.height_inc;
}
void
meta_window_get_outer_rect (MetaWindow *window,
MetaRectangle *rect)
{
if (window->frame)
*rect = window->frame->rect;
else
*rect = window->rect;
}
void
meta_window_delete (MetaWindow *window,
Time timestamp)
{
meta_error_trap_push (window->display);
if (window->delete_window)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Deleting %s with delete_window request\n",
window->desc);
meta_window_send_icccm_message (window,
window->display->atom_wm_delete_window,
timestamp);
}
else
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Deleting %s with explicit kill\n",
window->desc);
XKillClient (window->display->xdisplay, window->xwindow);
}
if (window->has_focus)
{
/* This is unfortunately going to result in weirdness
* if the window doesn't respond to the delete event.
* I don't know how to avoid that though.
*/
meta_topic (META_DEBUG_FOCUS,
"Focusing top window because focus window %s was deleted/killed\n",
window->desc);
meta_screen_focus_top_window (window->screen, window);
}
else
{
meta_topic (META_DEBUG_FOCUS,
"Window %s was deleted/killed but didn't have focus\n",
window->desc);
}
meta_error_trap_pop (window->display);
}
void
meta_window_focus (MetaWindow *window,
Time timestamp)
{
meta_topic (META_DEBUG_FOCUS,
"Setting input focus to window %s, input: %d take_focus: %d\n",
window->desc, window->input, window->take_focus);
if (window->display->grab_window &&
window->display->grab_window->all_keys_grabbed)
{
meta_topic (META_DEBUG_FOCUS,
"Current focus window %s has global keygrab, not focusing window %s after all\n",
window->display->grab_window->desc, window->desc);
return;
}
meta_window_flush_calc_showing (window);
/* For output-only or shaded windows, focus the frame.
* This seems to result in the client window getting key events
* though, so I don't know if it's icccm-compliant.
*
* Still, we have to do this or keynav breaks for these windows.
*/
if (window->frame &&
(window->shaded ||
!(window->input || window->take_focus)))
{
if (window->frame)
{
meta_topic (META_DEBUG_FOCUS,
"Focusing frame of %s\n", window->desc);
XSetInputFocus (window->display->xdisplay,
window->frame->xwindow,
RevertToPointerRoot,
CurrentTime);
}
}
else
{
meta_error_trap_push (window->display);
if (window->input)
{
meta_topic (META_DEBUG_FOCUS,
"Calling XSetInputFocus() on client window %s since input = true\n",
window->desc);
XSetInputFocus (window->display->xdisplay,
window->xwindow,
RevertToPointerRoot,
timestamp);
}
if (window->take_focus)
{
meta_topic (META_DEBUG_FOCUS,
"Sending WM_TAKE_FOCUS to %s since take_focus = true\n",
window->desc);
meta_window_send_icccm_message (window,
window->display->atom_wm_take_focus,
timestamp);
}
meta_error_trap_pop (window->display);
}
}
void
meta_window_change_workspace (MetaWindow *window,
MetaWorkspace *workspace)
{
meta_verbose ("Changing window %s to workspace %d\n",
window->desc, meta_workspace_index (workspace));
/* See if we're already on this space */
if (g_list_find (window->workspaces, workspace) != NULL)
{
meta_verbose ("%s already on this workspace\n", window->desc);
return;
}
/* Add first, to maintain invariant that we're always
* on some workspace.
*/
meta_workspace_add_window (workspace, window);
/* unstick if stuck */
if (window->on_all_workspaces)
window->on_all_workspaces = FALSE;
/* Lamely rely on prepend */
g_assert (window->workspaces->data == workspace);
/* Remove from all other spaces */
while (window->workspaces->next) /* while list size > 1 */
meta_workspace_remove_window (window->workspaces->next->data, window);
}
void
meta_window_stick (MetaWindow *window)
{
if (window->on_all_workspaces)
return;
/* We don't change window->workspaces, because we revert
* to that original workspace list if on_all_workspaces is
* toggled back off.
*/
window->on_all_workspaces = TRUE;
meta_window_set_current_workspace_hint (window);
meta_window_queue_calc_showing (window);
}
void
meta_window_unstick (MetaWindow *window)
{
if (!window->on_all_workspaces)
return;
/* Revert to window->workspaces */
window->on_all_workspaces = FALSE;
/* We change ourselves to the active workspace, since otherwise you'd get
* a weird window-vaporization effect. Once we have UI for being
* on more than one workspace this should probably be add_workspace
* not change_workspace.
*/
if (!meta_workspace_contains_window (window->screen->active_workspace,
window))
meta_window_change_workspace (window, window->screen->active_workspace);
meta_window_set_current_workspace_hint (window);
meta_window_queue_calc_showing (window);
}
unsigned long
meta_window_get_net_wm_desktop (MetaWindow *window)
{
if (window->on_all_workspaces ||
g_list_length (window->workspaces) > 1)
return 0xFFFFFFFF;
else
return meta_workspace_screen_index (window->workspaces->data);
}
int
meta_window_set_current_workspace_hint (MetaWindow *window)
{
/* FIXME if on more than one workspace, we claim to be "sticky",
* the WM spec doesn't say what to do here.
*/
unsigned long data[1];
if (window->workspaces == NULL)
{
/* this happens when unmanaging windows */
return Success;
}
data[0] = meta_window_get_net_wm_desktop (window);
meta_verbose ("Setting _NET_WM_DESKTOP of %s to %ld\n",
window->desc, data[0]);
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay, window->xwindow,
window->display->atom_net_wm_desktop,
XA_CARDINAL,
32, PropModeReplace, (guchar*) data, 1);
return meta_error_trap_pop (window->display);
}
void
meta_window_raise (MetaWindow *window)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Raising window %s\n", window->desc);
meta_stack_raise (window->screen->stack, window);
}
void
meta_window_lower (MetaWindow *window)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Lowering window %s\n", window->desc);
meta_stack_lower (window->screen->stack, window);
}
void
meta_window_send_icccm_message (MetaWindow *window,
Atom atom,
Time timestamp)
{
/* This comment and code are from twm, copyright
* Open Group, Evans & Sutherland, etc.
*/
/*
* ICCCM Client Messages - Section 4.2.8 of the ICCCM dictates that all
* client messages will have the following form:
*
* event type ClientMessage
* message type _XA_WM_PROTOCOLS
* window tmp->w
* format 32
* data[0] message atom
* data[1] time stamp
*/
XClientMessageEvent ev;
ev.type = ClientMessage;
ev.window = window->xwindow;
ev.message_type = window->display->atom_wm_protocols;
ev.format = 32;
ev.data.l[0] = atom;
ev.data.l[1] = timestamp;
XSendEvent (window->display->xdisplay,
window->xwindow, False, 0, (XEvent*) &ev);
}
gboolean
meta_window_configure_request (MetaWindow *window,
XEvent *event)
{
int x, y, width, height;
gboolean only_resize;
/* it's essential to use only the explicitly-set fields,
* and otherwise use our current up-to-date position.
*
* Otherwise you get spurious position changes when the app changes
* size, for example, if window->rect is not in sync with the
* server-side position in effect when the configure request was
* generated.
*/
meta_window_get_gravity_position (window, &x, &y);
only_resize = TRUE;
if (((window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_TOOLBAR ||
window->type == META_WINDOW_MENU ||
window->type == META_WINDOW_NORMAL ||
window->type == META_WINDOW_UTILITY) &&
(window->size_hints.flags & PPosition)) ||
(window->size_hints.flags & USPosition))
{
if (event->xconfigurerequest.value_mask & CWX)
x = event->xconfigurerequest.x;
if (event->xconfigurerequest.value_mask & CWY)
y = event->xconfigurerequest.y;
if (event->xconfigurerequest.value_mask & (CWX | CWY))
only_resize = FALSE;
}
width = window->rect.width;
height = window->rect.height;
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_TOOLBAR ||
window->type == META_WINDOW_MENU ||
window->type == META_WINDOW_NORMAL ||
window->type == META_WINDOW_UTILITY)
{
if (event->xconfigurerequest.value_mask & CWWidth)
width = event->xconfigurerequest.width;
if (event->xconfigurerequest.value_mask & CWHeight)
height = event->xconfigurerequest.height;
}
/* ICCCM 4.1.5 */
/* Note that x, y is the corner of the window border,
* and width, height is the size of the window inside
* its border, but that we always deny border requests
* and give windows a border of 0. But we save the
* requested border here.
*/
window->border_width = event->xconfigurerequest.border_width;
/* We're ignoring the value_mask here, since sizes
* not in the mask will be the current window geometry.
*/
window->size_hints.x = x;
window->size_hints.y = y;
window->size_hints.width = width;
window->size_hints.height = height;
/* FIXME passing the gravity on only_resize thing is kind of crack-rock.
* Basically I now have several ways of handling gravity, and things
* don't make too much sense. I think I am doing the math in a couple
* places and could do it in only one function, and remove some of the
* move_resize_internal arguments.
*/
meta_window_move_resize_internal (window, META_IS_CONFIGURE_REQUEST,
only_resize ?
window->size_hints.win_gravity : NorthWestGravity,
window->size_hints.x,
window->size_hints.y,
window->size_hints.width,
window->size_hints.height);
return TRUE;
}
gboolean
meta_window_property_notify (MetaWindow *window,
XEvent *event)
{
return process_property_notify (window, &event->xproperty);
}
#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
#define _NET_WM_MOVERESIZE_SIZE_TOP 1
#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
#define _NET_WM_MOVERESIZE_MOVE 8
gboolean
meta_window_client_message (MetaWindow *window,
XEvent *event)
{
MetaDisplay *display;
display = window->display;
if (event->xclient.message_type ==
display->atom_net_close_window)
{
/* I think the wm spec should maybe put a time
* in this message, CurrentTime here is sort of
* bogus. But it rarely matters most likely.
*/
meta_window_delete (window, meta_display_get_current_time (window->display));
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_net_wm_desktop)
{
int space;
MetaWorkspace *workspace;
space = event->xclient.data.l[0];
meta_verbose ("Request to move %s to screen workspace %d\n",
window->desc, space);
workspace =
meta_display_get_workspace_by_screen_index (display,
window->screen,
space);
if (workspace)
{
if (window->on_all_workspaces)
meta_window_unstick (window);
meta_window_change_workspace (window, workspace);
}
else if (space == (int) 0xFFFFFFFF)
{
meta_window_stick (window);
}
else
{
meta_verbose ("No such workspace %d for screen\n", space);
}
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_net_wm_state)
{
gulong action;
Atom first;
Atom second;
action = event->xclient.data.l[0];
first = event->xclient.data.l[1];
second = event->xclient.data.l[2];
if (meta_is_verbose ())
{
char *str1;
char *str2;
meta_error_trap_push (display);
str1 = XGetAtomName (display->xdisplay, first);
if (meta_error_trap_pop (display))
str1 = NULL;
meta_error_trap_push (display);
str2 = XGetAtomName (display->xdisplay, second);
if (meta_error_trap_pop (display))
str2 = NULL;
meta_verbose ("Request to change _NET_WM_STATE action %ld atom1: %s atom2: %s\n",
action,
str1 ? str1 : "(unknown)",
str2 ? str2 : "(unknown)");
meta_XFree (str1);
meta_XFree (str2);
}
if (first == display->atom_net_wm_state_shaded ||
second == display->atom_net_wm_state_shaded)
{
gboolean shade;
shade = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->shaded));
if (shade && window->has_shade_func)
meta_window_shade (window);
else
meta_window_unshade (window);
}
if (first == display->atom_net_wm_state_fullscreen ||
second == display->atom_net_wm_state_fullscreen)
{
gboolean make_fullscreen;
make_fullscreen = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->fullscreen));
if (make_fullscreen && window->has_fullscreen_func)
meta_window_make_fullscreen (window);
else
meta_window_unmake_fullscreen (window);
}
if (first == display->atom_net_wm_state_maximized_horz ||
second == display->atom_net_wm_state_maximized_horz ||
first == display->atom_net_wm_state_maximized_vert ||
second == display->atom_net_wm_state_maximized_vert)
{
gboolean max;
max = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->maximized));
if (max && window->has_maximize_func)
meta_window_maximize (window);
else
meta_window_unmaximize (window);
}
if (first == display->atom_net_wm_state_modal ||
second == display->atom_net_wm_state_modal)
{
window->wm_state_modal =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_modal);
recalc_window_type (window);
meta_window_queue_move_resize (window);
}
if (first == display->atom_net_wm_state_skip_pager ||
second == display->atom_net_wm_state_skip_pager)
{
window->wm_state_skip_pager =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_skip_pager);
set_net_wm_state (window);
}
if (first == display->atom_net_wm_state_skip_taskbar ||
second == display->atom_net_wm_state_skip_taskbar)
{
window->wm_state_skip_taskbar =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_skip_taskbar);
set_net_wm_state (window);
}
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_wm_change_state)
{
meta_verbose ("WM_CHANGE_STATE client message, state: %ld\n",
event->xclient.data.l[0]);
if (event->xclient.data.l[0] == IconicState &&
window->has_minimize_func)
meta_window_minimize (window);
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_net_wm_moveresize)
{
int x_root;
int y_root;
int action;
MetaGrabOp op;
x_root = event->xclient.data.l[0];
y_root = event->xclient.data.l[1];
action = event->xclient.data.l[2];
meta_topic (META_DEBUG_WINDOW_OPS,
"Received _NET_WM_MOVERESIZE message on %s, %d,%d action = %d\n",
window->desc,
x_root, y_root, action);
op = META_GRAB_OP_NONE;
switch (action)
{
case _NET_WM_MOVERESIZE_SIZE_TOPLEFT:
op = META_GRAB_OP_RESIZING_NW;
break;
case _NET_WM_MOVERESIZE_SIZE_TOP:
op = META_GRAB_OP_RESIZING_N;
break;
case _NET_WM_MOVERESIZE_SIZE_TOPRIGHT:
op = META_GRAB_OP_RESIZING_NE;
break;
case _NET_WM_MOVERESIZE_SIZE_RIGHT:
op = META_GRAB_OP_RESIZING_E;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT:
op = META_GRAB_OP_RESIZING_SE;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOM:
op = META_GRAB_OP_RESIZING_S;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT:
op = META_GRAB_OP_RESIZING_SW;
break;
case _NET_WM_MOVERESIZE_SIZE_LEFT:
op = META_GRAB_OP_RESIZING_W;
break;
case _NET_WM_MOVERESIZE_MOVE:
op = META_GRAB_OP_MOVING;
break;
default:
break;
}
if (op != META_GRAB_OP_NONE &&
((window->has_move_func && op == META_GRAB_OP_MOVING) ||
(window->has_resize_func && op != META_GRAB_OP_MOVING)))
{
int x, y, query_root_x, query_root_y;
Window root, child;
guint mask;
int button;
/* The race conditions in this _NET_WM_MOVERESIZE thing
* are mind-boggling
*/
mask = 0;
meta_error_trap_push (window->display);
XQueryPointer (window->display->xdisplay,
window->xwindow,
&root, &child,
&query_root_x, &query_root_y,
&x, &y,
&mask);
meta_error_trap_pop (window->display);
if (mask & Button1Mask)
button = 1;
else if (mask & Button2Mask)
button = 2;
else if (mask & Button3Mask)
button = 3;
else
button = 0;
if (button != 0)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Beginning move/resize with button = %d\n", button);
meta_display_begin_grab_op (window->display,
window,
op,
FALSE,
button, 0,
meta_display_get_current_time (window->display),
x_root,
y_root);
}
}
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_net_active_window)
{
meta_verbose ("_NET_ACTIVE_WINDOW request for window '%s', activating",
window->desc);
meta_window_activate (window, meta_display_get_current_time (window->display));
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_win_hints)
{
/* gnome-winhints.c seems to indicate that the hints are
* in l[1], though god knows why it's like that
*/
gulong data[1];
meta_verbose ("_WIN_HINTS client message, hints: %ld\n",
event->xclient.data.l[1]);
if (event->xclient.data.l[1] & WIN_HINTS_DO_NOT_COVER)
{
meta_topic (META_DEBUG_WORKAREA,
"Setting WIN_HINTS_DO_NOT_COVER\n");
data[0] = WIN_HINTS_DO_NOT_COVER;
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay,
window->xwindow, window->display->atom_win_hints,
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *)data, 1);
meta_error_trap_pop (window->display);
}
else
{
meta_topic (META_DEBUG_WORKAREA,
"Unsetting WIN_HINTS_DO_NOT_COVER\n");
data[0] = 0;
meta_error_trap_push (window->display);
XDeleteProperty (window->display->xdisplay,
window->xwindow, window->display->atom_win_hints);
meta_error_trap_pop (window->display);
}
return TRUE;
}
return FALSE;
}
gboolean
meta_window_notify_focus (MetaWindow *window,
XEvent *event)
{
/* note the event can be on either the window or the frame,
* we focus the frame for shaded windows
*/
/* The event can be FocusIn, FocusOut, or UnmapNotify.
* On UnmapNotify we have to pretend it's focus out,
* because we won't get a focus out if it occurs, apparently.
*/
/* We ignore grabs, though this is questionable.
* It may be better to increase the intelligence of
* the focus window tracking.
*
* The problem is that keybindings for windows are done with
* XGrabKey, which means focus_window disappears and the front of
* the MRU list gets confused from what the user expects once a
* keybinding is used.
*/
meta_topic (META_DEBUG_FOCUS,
"Focus %s event received on %s 0x%lx (%s) "
"mode %s detail %s\n",
event->type == FocusIn ? "in" :
event->type == FocusOut ? "out" :
event->type == UnmapNotify ? "unmap" :
"???",
window->desc, event->xany.window,
event->xany.window == window->xwindow ?
"client window" :
(window->frame && event->xany.window == window->frame->xwindow) ?
"frame window" :
"unknown window",
event->type != UnmapNotify ?
meta_event_mode_to_string (event->xfocus.mode) : "n/a",
event->type != UnmapNotify ?
meta_event_detail_to_string (event->xfocus.detail) : "n/a");
if ((event->type == FocusIn ||
event->type == FocusOut) &&
(event->xfocus.mode == NotifyGrab ||
event->xfocus.mode == NotifyUngrab ||
/* From WindowMaker, ignore all funky pointer root events */
event->xfocus.detail > NotifyNonlinearVirtual))
{
meta_topic (META_DEBUG_FOCUS,
"Ignoring focus event generated by a grab or other weirdness\n");
return TRUE;
}
if (event->type == FocusIn)
{
if (window != window->display->focus_window)
{
meta_topic (META_DEBUG_FOCUS,
"* Focus --> %s\n", window->desc);
window->display->focus_window = window;
window->has_focus = TRUE;
/* Move to the front of the MRU list */
window->display->mru_list =
g_list_remove (window->display->mru_list, window);
window->display->mru_list =
g_list_prepend (window->display->mru_list, window);
if (window->frame)
meta_frame_queue_draw (window->frame);
}
}
else if (event->type == FocusOut ||
event->type == UnmapNotify)
{
if (event->type == FocusOut &&
event->xfocus.detail == NotifyInferior)
{
/* This event means the client moved focus to a subwindow */
meta_topic (META_DEBUG_FOCUS,
"Ignoring focus out on %s with NotifyInferior\n",
window->desc);
return TRUE;
}
if (window == window->display->focus_window)
{
meta_topic (META_DEBUG_FOCUS,
"%s is now the previous focus window due to being focused out or unmapped\n",
window->desc);
meta_topic (META_DEBUG_FOCUS,
"* Focus --> NULL (was %s)\n", window->desc);
window->display->focus_window = NULL;
window->has_focus = FALSE;
if (window->frame)
meta_frame_queue_draw (window->frame);
}
}
/* Now set _NET_ACTIVE_WINDOW hint */
meta_display_update_active_window_hint (window->display);
return FALSE;
}
static gboolean
process_property_notify (MetaWindow *window,
XPropertyEvent *event)
{
if (event->atom == XA_WM_NAME ||
event->atom == window->display->atom_net_wm_name)
{
meta_verbose ("Property notify on %s for WM_NAME or NET_WM_NAME\n", window->desc);
update_title (window);
}
else if (event->atom == XA_WM_NORMAL_HINTS)
{
meta_verbose ("Property notify on %s for WM_NORMAL_HINTS\n", window->desc);
update_size_hints (window);
/* See if we need to constrain current size */
meta_window_queue_move_resize (window);
}
else if (event->atom == window->display->atom_wm_protocols)
{
meta_verbose ("Property notify on %s for WM_PROTOCOLS\n", window->desc);
update_protocols (window);
meta_window_queue_move_resize (window);
}
else if (event->atom == XA_WM_HINTS)
{
meta_verbose ("Property notify on %s for WM_HINTS\n", window->desc);
meta_icon_cache_property_changed (&window->icon_cache,
window->display,
event->atom);
update_wm_hints (window);
update_icon (window);
meta_window_queue_move_resize (window);
}
else if (event->atom == window->display->atom_motif_wm_hints)
{
meta_verbose ("Property notify on %s for MOTIF_WM_HINTS\n", window->desc);
update_mwm_hints (window);
if (window->decorated)
meta_window_ensure_frame (window);
else
meta_window_destroy_frame (window);
meta_window_queue_move_resize (window);
}
else if (event->atom == XA_WM_CLASS)
{
meta_verbose ("Property notify on %s for WM_CLASS\n", window->desc);
update_wm_class (window);
}
else if (event->atom == XA_WM_TRANSIENT_FOR)
{
meta_verbose ("Property notify on %s for WM_TRANSIENT_FOR\n", window->desc);
update_transient_for (window);
meta_window_queue_move_resize (window);
}
else if (event->atom ==
window->display->atom_wm_window_role)
{
meta_verbose ("Property notify on %s for WM_WINDOW_ROLE\n", window->desc);
update_role (window);
}
else if (event->atom ==
window->display->atom_wm_client_leader ||
event->atom ==
window->display->atom_sm_client_id)
{
meta_warning ("Broken client! Window %s changed client leader window or SM client ID\n", window->desc);
}
else if (event->atom ==
window->display->atom_net_wm_window_type ||
/* update_net_wm_type falls back to this */
event->atom == window->display->atom_win_layer)
{
meta_verbose ("Property notify on %s for NET_WM_WINDOW_TYPE or WIN_LAYER\n", window->desc);
update_net_wm_type (window);
}
else if (event->atom ==
window->display->atom_net_wm_icon_name ||
event->atom == XA_WM_ICON_NAME)
{
meta_verbose ("Property notify on %s for NET_WM_ICON_NAME or WM_ICON_NAME\n", window->desc);
update_icon_name (window);
}
else if (event->atom == window->display->atom_net_wm_icon)
{
meta_verbose ("Property notify on %s for NET_WM_ICON\n", window->desc);
meta_icon_cache_property_changed (&window->icon_cache,
window->display,
event->atom);
update_icon (window);
}
else if (event->atom == window->display->atom_kwm_win_icon)
{
meta_verbose ("Property notify on %s for KWM_WIN_ICON\n", window->desc);
meta_icon_cache_property_changed (&window->icon_cache,
window->display,
event->atom);
update_icon (window);
}
else if (event->atom == window->display->atom_net_wm_strut)
{
meta_verbose ("Property notify on %s for _NET_WM_STRUT\n", window->desc);
update_struts (window);
}
else if (event->atom == window->display->atom_win_hints)
{
meta_verbose ("Property notify on %s for _WIN_HINTS\n", window->desc);
update_struts (window);
}
return TRUE;
}
static void
send_configure_notify (MetaWindow *window)
{
XEvent event;
/* from twm */
event.type = ConfigureNotify;
event.xconfigure.display = window->display->xdisplay;
event.xconfigure.event = window->xwindow;
event.xconfigure.window = window->xwindow;
event.xconfigure.x = window->rect.x - window->border_width;
event.xconfigure.y = window->rect.y - window->border_width;
if (window->frame)
{
/* Need to be in root window coordinates */
event.xconfigure.x += window->frame->rect.x;
event.xconfigure.y += window->frame->rect.y;
}
event.xconfigure.width = window->rect.width;
event.xconfigure.height = window->rect.height;
event.xconfigure.border_width = window->border_width; /* requested not actual */
event.xconfigure.above = None; /* FIXME */
event.xconfigure.override_redirect = False;
meta_topic (META_DEBUG_GEOMETRY,
"Sending synthetic configure notify to %s with x: %d y: %d w: %d h: %d\n",
window->desc,
event.xconfigure.x, event.xconfigure.y,
event.xconfigure.width, event.xconfigure.height);
meta_error_trap_push (window->display);
XSendEvent (window->display->xdisplay,
window->xwindow,
False, StructureNotifyMask, &event);
meta_error_trap_pop (window->display);
}
#define FLAG_TOGGLED_ON(old,new,flag) \
(((old)->flags & (flag)) == 0 && \
((new)->flags & (flag)) != 0)
#define FLAG_TOGGLED_OFF(old,new,flag) \
(((old)->flags & (flag)) != 0 && \
((new)->flags & (flag)) == 0)
#define FLAG_CHANGED(old,new,flag) \
(FLAG_TOGGLED_ON(old,new,flag) || FLAG_TOGGLED_OFF(old,new,flag))
static void
spew_size_hints_differences (const XSizeHints *old,
const XSizeHints *new)
{
if (FLAG_CHANGED (old, new, USPosition))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: USPosition now %s\n",
FLAG_TOGGLED_ON (old, new, USPosition) ? "set" : "unset");
if (FLAG_CHANGED (old, new, USSize))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: USSize now %s\n",
FLAG_TOGGLED_ON (old, new, USSize) ? "set" : "unset");
if (FLAG_CHANGED (old, new, PPosition))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PPosition now %s\n",
FLAG_TOGGLED_ON (old, new, PPosition) ? "set" : "unset");
if (FLAG_CHANGED (old, new, PSize))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PSize now %s\n",
FLAG_TOGGLED_ON (old, new, PSize) ? "set" : "unset");
if (FLAG_CHANGED (old, new, PMinSize))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PMinSize now %s (%d x %d -> %d x %d)\n",
FLAG_TOGGLED_ON (old, new, PMinSize) ? "set" : "unset",
old->min_width, old->min_height,
new->min_width, new->min_height);
if (FLAG_CHANGED (old, new, PMaxSize))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PMaxSize now %s (%d x %d -> %d x %d)\n",
FLAG_TOGGLED_ON (old, new, PMaxSize) ? "set" : "unset",
old->max_width, old->max_height,
new->max_width, new->max_height);
if (FLAG_CHANGED (old, new, PResizeInc))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PResizeInc now %s (width_inc %d -> %d height_inc %d -> %d)\n",
FLAG_TOGGLED_ON (old, new, PResizeInc) ? "set" : "unset",
old->width_inc, new->width_inc,
old->height_inc, new->height_inc);
if (FLAG_CHANGED (old, new, PAspect))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PAspect now %s (min %d/%d -> %d/%d max %d/%d -> %d/%d)\n",
FLAG_TOGGLED_ON (old, new, PAspect) ? "set" : "unset",
old->min_aspect.x, old->min_aspect.y,
new->min_aspect.x, new->min_aspect.y,
old->max_aspect.x, old->max_aspect.y,
new->max_aspect.x, new->max_aspect.y);
if (FLAG_CHANGED (old, new, PBaseSize))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PBaseSize now %s (%d x %d -> %d x %d)\n",
FLAG_TOGGLED_ON (old, new, PBaseSize) ? "set" : "unset",
old->base_width, old->base_height,
new->base_width, new->base_height);
if (FLAG_CHANGED (old, new, PWinGravity))
meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PWinGravity now %s (%d -> %d)\n",
FLAG_TOGGLED_ON (old, new, PWinGravity) ? "set" : "unset",
old->win_gravity, new->win_gravity);
}
static int
update_size_hints (MetaWindow *window)
{
int x, y, w, h;
gulong supplied;
XSizeHints old_hints;
meta_topic (META_DEBUG_GEOMETRY, "Updating WM_NORMAL_HINTS for %s\n", window->desc);
old_hints = window->size_hints;
/* Save the last ConfigureRequest, which we put here.
* Values here set in the hints are supposed to
* be ignored.
*/
x = window->size_hints.x;
y = window->size_hints.y;
w = window->size_hints.width;
h = window->size_hints.height;
window->size_hints.flags = 0;
supplied = 0;
meta_error_trap_push (window->display);
XGetWMNormalHints (window->display->xdisplay,
window->xwindow,
&window->size_hints,
&supplied);
/* as far as I can tell, "supplied" is just
* to check whether we had old-style normal hints
* without gravity, base size as returned by
* XGetNormalHints()
*/
/* Put it back. */
window->size_hints.x = x;
window->size_hints.y = y;
window->size_hints.width = w;
window->size_hints.height = h;
if (window->size_hints.flags & PBaseSize)
{
meta_topic (META_DEBUG_GEOMETRY, "Window %s sets base size %d x %d\n",
window->desc,
window->size_hints.base_width,
window->size_hints.base_height);
}
else if (window->size_hints.flags & PMinSize)
{
window->size_hints.base_width = window->size_hints.min_width;
window->size_hints.base_height = window->size_hints.min_height;
}
else
{
window->size_hints.base_width = 0;
window->size_hints.base_height = 0;
}
window->size_hints.flags |= PBaseSize;
if (window->size_hints.flags & PMinSize)
{
meta_topic (META_DEBUG_GEOMETRY, "Window %s sets min size %d x %d\n",
window->desc,
window->size_hints.min_width,
window->size_hints.min_height);
}
else if (window->size_hints.flags & PBaseSize)
{
window->size_hints.min_width = window->size_hints.base_width;
window->size_hints.min_height = window->size_hints.base_height;
}
else
{
window->size_hints.min_width = 0;
window->size_hints.min_height = 0;
}
window->size_hints.flags |= PMinSize;
if (window->size_hints.flags & PMaxSize)
{
meta_topic (META_DEBUG_GEOMETRY, "Window %s sets max size %d x %d\n",
window->desc,
window->size_hints.max_width,
window->size_hints.max_height);
}
else
{
window->size_hints.max_width = G_MAXINT;
window->size_hints.max_height = G_MAXINT;
window->size_hints.flags |= PMaxSize;
}
if (window->size_hints.max_width < window->size_hints.min_width)
{
/* someone is on crack */
meta_topic (META_DEBUG_GEOMETRY,
"Window %s sets max width %d less than min width %d, disabling resize\n",
window->desc,
window->size_hints.max_width,
window->size_hints.min_width);
window->size_hints.max_width = window->size_hints.min_width;
}
if (window->size_hints.max_height < window->size_hints.min_height)
{
/* another cracksmoker */
meta_topic (META_DEBUG_GEOMETRY,
"Window %s sets max height %d less than min height %d, disabling resize\n",
window->desc,
window->size_hints.max_height,
window->size_hints.min_height);
window->size_hints.max_height = window->size_hints.min_height;
}
if (window->size_hints.flags & PResizeInc)
{
meta_topic (META_DEBUG_GEOMETRY, "Window %s sets resize width inc: %d height inc: %d\n",
window->desc,
window->size_hints.width_inc,
window->size_hints.height_inc);
if (window->size_hints.width_inc == 0)
{
window->size_hints.width_inc = 1;
meta_topic (META_DEBUG_GEOMETRY, "Corrected 0 width_inc to 1\n");
}
if (window->size_hints.height_inc == 0)
{
window->size_hints.height_inc = 1;
meta_topic (META_DEBUG_GEOMETRY, "Corrected 0 height_inc to 1\n");
}
}
else
{
window->size_hints.width_inc = 1;
window->size_hints.height_inc = 1;
window->size_hints.flags |= PResizeInc;
}
if (window->size_hints.flags & PAspect)
{
meta_topic (META_DEBUG_GEOMETRY, "Window %s sets min_aspect: %d/%d max_aspect: %d/%d\n",
window->desc,
window->size_hints.min_aspect.x,
window->size_hints.min_aspect.y,
window->size_hints.max_aspect.x,
window->size_hints.max_aspect.y);
/* don't divide by 0 */
if (window->size_hints.min_aspect.y < 1)
window->size_hints.min_aspect.y = 1;
if (window->size_hints.max_aspect.y < 1)
window->size_hints.max_aspect.y = 1;
}
else
{
window->size_hints.min_aspect.x = 1;
window->size_hints.min_aspect.y = G_MAXINT;
window->size_hints.max_aspect.x = G_MAXINT;
window->size_hints.max_aspect.y = 1;
window->size_hints.flags |= PAspect;
}
if (window->size_hints.flags & PWinGravity)
{
meta_topic (META_DEBUG_GEOMETRY, "Window %s sets gravity %d\n",
window->desc,
window->size_hints.win_gravity);
}
else
{
meta_topic (META_DEBUG_GEOMETRY, "Window %s doesn't set gravity, using NW\n",
window->desc);
window->size_hints.win_gravity = NorthWestGravity;
window->size_hints.flags |= PWinGravity;
}
recalc_window_features (window);
spew_size_hints_differences (&old_hints, &window->size_hints);
return meta_error_trap_pop (window->display);
}
static int
update_title (MetaWindow *window)
{
char *str;
meta_error_trap_push (window->display);
if (window->title)
{
g_free (window->title);
window->title = NULL;
}
str = NULL;
meta_prop_get_utf8_string (window->display,
window->xwindow,
window->display->atom_net_wm_name,
&str);
window->title = g_strdup (str);
meta_XFree (str);
if (window->title)
{
meta_verbose ("Using _NET_WM_NAME for new title of %s: '%s'\n",
window->desc, window->title);
}
if (window->title == NULL)
{
window->title = get_text_property (window->display,
window->xwindow,
XA_WM_NAME);
if (window->title)
{
meta_verbose ("Using WM_NAME for new title of %s: '%s'\n",
window->desc, window->title);
}
}
if (window->title == NULL)
window->title = g_strdup ("");
g_free (window->desc);
window->desc = g_strdup_printf ("0x%lx (%.10s)", window->xwindow, window->title);
if (window->frame)
meta_ui_set_frame_title (window->screen->ui,
window->frame->xwindow,
window->title);
return meta_error_trap_pop (window->display);
}
static int
update_protocols (MetaWindow *window)
{
Atom *protocols = NULL;
int n_protocols = 0;
int i;
window->take_focus = FALSE;
window->delete_window = FALSE;
meta_error_trap_push (window->display);
if (XGetWMProtocols (window->display->xdisplay,
window->xwindow,
&protocols,
&n_protocols))
{
i = 0;
while (i < n_protocols)
{
if (protocols[i] == window->display->atom_wm_take_focus)
window->take_focus = TRUE;
else if (protocols[i] == window->display->atom_wm_delete_window)
window->delete_window = TRUE;
++i;
}
meta_XFree (protocols);
}
meta_verbose ("Window %s has take_focus = %d delete_window = %d\n",
window->desc, window->take_focus, window->delete_window);
return meta_error_trap_pop (window->display);
}
static int
update_wm_hints (MetaWindow *window)
{
XWMHints *hints;
/* Fill in defaults */
window->input = FALSE;
window->initially_iconic = FALSE;
window->xgroup_leader = None;
window->wm_hints_pixmap = None;
window->wm_hints_mask = None;
meta_error_trap_push (window->display);
hints = XGetWMHints (window->display->xdisplay,
window->xwindow);
if (hints)
{
window->input = (hints->flags & InputHint) != 0;
if (hints->flags & StateHint)
window->initially_iconic = (hints->initial_state == IconicState);
if (hints->flags & WindowGroupHint)
window->xgroup_leader = hints->window_group;
if (hints->flags & IconPixmapHint)
window->wm_hints_pixmap = hints->icon_pixmap;
if (hints->flags & IconMaskHint)
window->wm_hints_mask = hints->icon_mask;
meta_verbose ("Read WM_HINTS input: %d iconic: %d group leader: 0x%lx pixmap: 0x%lx mask: 0x%lx\n",
window->input, window->initially_iconic,
window->xgroup_leader,
window->wm_hints_pixmap,
window->wm_hints_mask);
meta_XFree (hints);
}
return meta_error_trap_pop (window->display);
}
static void
update_net_wm_state (MetaWindow *window)
{
/* We know this is only on initial window creation,
* clients don't change the property.
*/
int n_atoms;
Atom *atoms;
window->shaded = FALSE;
window->maximized = FALSE;
window->wm_state_modal = FALSE;
if (meta_prop_get_atom_list (window->display, window->xwindow,
window->display->atom_net_wm_state,
&atoms, &n_atoms))
{
int i;
i = 0;
while (i < n_atoms)
{
if (atoms[i] == window->display->atom_net_wm_state_shaded)
window->shaded = TRUE;
else if (atoms[i] == window->display->atom_net_wm_state_maximized_horz)
window->maximized = TRUE;
else if (atoms[i] == window->display->atom_net_wm_state_maximized_vert)
window->maximized = TRUE;
else if (atoms[i] == window->display->atom_net_wm_state_modal)
window->wm_state_modal = TRUE;
++i;
}
meta_XFree (atoms);
}
recalc_window_type (window);
}
static void
update_mwm_hints (MetaWindow *window)
{
MotifWmHints *hints;
window->mwm_decorated = TRUE;
window->mwm_has_close_func = TRUE;
window->mwm_has_minimize_func = TRUE;
window->mwm_has_maximize_func = TRUE;
window->mwm_has_move_func = TRUE;
window->mwm_has_resize_func = TRUE;
if (!meta_prop_get_motif_hints (window->display, window->xwindow,
window->display->atom_motif_wm_hints,
&hints))
{
meta_verbose ("Window %s has no MWM hints\n", window->desc);
return;
}
/* We support those MWM hints deemed non-stupid */
meta_verbose ("Window %s has MWM hints\n",
window->desc);
if (hints->flags & MWM_HINTS_DECORATIONS)
{
meta_verbose ("Window %s sets MWM_HINTS_DECORATIONS 0x%lx\n",
window->desc, hints->decorations);
if (hints->decorations == 0)
window->mwm_decorated = FALSE;
}
else
meta_verbose ("Decorations flag unset\n");
if (hints->flags & MWM_HINTS_FUNCTIONS)
{
gboolean toggle_value;
meta_verbose ("Window %s sets MWM_HINTS_FUNCTIONS 0x%lx\n",
window->desc, hints->functions);
/* If _ALL is specified, then other flags indicate what to turn off;
* if ALL is not specified, flags are what to turn on.
* at least, I think so
*/
if ((hints->functions & MWM_FUNC_ALL) == 0)
{
toggle_value = TRUE;
meta_verbose ("Window %s disables all funcs then reenables some\n",
window->desc);
window->mwm_has_close_func = FALSE;
window->mwm_has_minimize_func = FALSE;
window->mwm_has_maximize_func = FALSE;
window->mwm_has_move_func = FALSE;
window->mwm_has_resize_func = FALSE;
}
else
{
meta_verbose ("Window %s enables all funcs then disables some\n",
window->desc);
toggle_value = FALSE;
}
if ((hints->functions & MWM_FUNC_CLOSE) != 0)
{
meta_verbose ("Window %s toggles close via MWM hints\n",
window->desc);
window->mwm_has_close_func = toggle_value;
}
if ((hints->functions & MWM_FUNC_MINIMIZE) != 0)
{
meta_verbose ("Window %s toggles minimize via MWM hints\n",
window->desc);
window->mwm_has_minimize_func = toggle_value;
}
if ((hints->functions & MWM_FUNC_MAXIMIZE) != 0)
{
meta_verbose ("Window %s toggles maximize via MWM hints\n",
window->desc);
window->mwm_has_maximize_func = toggle_value;
}
if ((hints->functions & MWM_FUNC_MOVE) != 0)
{
meta_verbose ("Window %s toggles move via MWM hints\n",
window->desc);
window->mwm_has_move_func = toggle_value;
}
if ((hints->functions & MWM_FUNC_RESIZE) != 0)
{
meta_verbose ("Window %s toggles resize via MWM hints\n",
window->desc);
window->mwm_has_resize_func = toggle_value;
}
}
else
meta_verbose ("Functions flag unset\n");
meta_XFree (hints);
recalc_window_features (window);
}
static gboolean
meta_window_get_icon_geometry (MetaWindow *window,
MetaRectangle *rect)
{
gulong *geometry = NULL;
int nitems;
if (meta_prop_get_cardinal_list (window->display,
window->xwindow,
window->display->atom_net_wm_icon_geometry,
&geometry, &nitems))
{
if (nitems != 4)
{
meta_verbose ("_NET_WM_ICON_GEOMETRY on %s has %d values instead of 4\n",
window->desc, nitems);
meta_XFree (geometry);
return FALSE;
}
if (rect)
{
rect->x = geometry[0];
rect->y = geometry[1];
rect->width = geometry[2];
rect->height = geometry[3];
}
meta_XFree (geometry);
return TRUE;
}
return FALSE;
}
static int
update_wm_class (MetaWindow *window)
{
XClassHint ch;
if (window->res_class)
g_free (window->res_class);
if (window->res_name)
g_free (window->res_name);
window->res_class = NULL;
window->res_name = NULL;
meta_error_trap_push (window->display);
ch.res_name = NULL;
ch.res_class = NULL;
XGetClassHint (window->display->xdisplay,
window->xwindow,
&ch);
if (ch.res_name)
{
window->res_name = g_strdup (ch.res_name);
XFree (ch.res_name);
}
if (ch.res_class)
{
window->res_class = g_strdup (ch.res_class);
XFree (ch.res_class);
}
meta_verbose ("Window %s class: '%s' name: '%s'\n",
window->desc,
window->res_class ? window->res_class : "(null)",
window->res_name ? window->res_name : "(null)");
return meta_error_trap_pop (window->display);
}
static Window
read_client_leader (MetaDisplay *display,
Window xwindow)
{
Window retval = None;
meta_prop_get_window (display, xwindow,
display->atom_wm_client_leader,
&retval);
return retval;
}
static void
update_sm_hints (MetaWindow *window)
{
MetaWindow *w;
Window leader;
window->xclient_leader = None;
window->sm_client_id = NULL;
/* If not on the current window, we can get the client
* leader from transient parents. If we find a client
* leader, we read the SM_CLIENT_ID from it.
*/
leader = None;
w = window;
while (w != NULL)
{
leader = read_client_leader (window->display, w->xwindow);
if (leader != None)
break;
if (w->xtransient_for == None)
break;
w = meta_display_lookup_x_window (w->display, w->xtransient_for);
if (w == window)
break; /* Cute, someone thought they'd make a transient_for cycle */
}
if (leader)
{
char *str;
window->xclient_leader = leader;
if (meta_prop_get_latin1_string (window->display, leader,
window->display->atom_sm_client_id,
&str))
{
window->sm_client_id = g_strdup (str);
meta_XFree (str);
}
meta_verbose ("Window %s client leader: 0x%lx SM_CLIENT_ID: '%s'\n",
window->desc, window->xclient_leader,
window->sm_client_id ? window->sm_client_id : "(null)");
}
else
meta_verbose ("Didn't find a client leader for %s\n", window->desc);
}
static void
update_role (MetaWindow *window)
{
char *str;
if (window->role)
g_free (window->role);
window->role = NULL;
if (meta_prop_get_latin1_string (window->display, window->xwindow,
window->display->atom_wm_window_role,
&str))
{
window->role = g_strdup (str);
meta_XFree (str);
}
meta_verbose ("Updated role of %s to '%s'\n",
window->desc, window->role ? window->role : "(null)");
}
static int
update_transient_for (MetaWindow *window)
{
Window w;
meta_error_trap_push (window->display);
w = None;
XGetTransientForHint (window->display->xdisplay,
window->xwindow,
&w);
window->xtransient_for = w;
if (window->xtransient_for != None)
meta_verbose ("Window %s transient for 0x%lx\n", window->desc,
window->xtransient_for);
else
meta_verbose ("Window %s is not transient\n", window->desc);
/* may now be a dialog */
recalc_window_type (window);
/* update stacking constraints */
meta_stack_update_transient (window->screen->stack, window);
return meta_error_trap_pop (window->display);
}
static char*
get_text_property (MetaDisplay *display,
Window xwindow,
Atom atom)
{
XTextProperty text;
char *retval;
meta_error_trap_push (display);
text.nitems = 0;
if (XGetTextProperty (display->xdisplay,
xwindow,
&text,
atom))
{
retval = meta_text_property_to_utf8 (display->xdisplay, &text);
if (text.nitems > 0)
XFree (text.value);
}
else
{
retval = NULL;
meta_verbose ("XGetTextProperty() failed\n");
}
meta_error_trap_pop (display);
return retval;
}
/* some legacy cruft */
typedef enum
{
WIN_LAYER_DESKTOP = 0,
WIN_LAYER_BELOW = 2,
WIN_LAYER_NORMAL = 4,
WIN_LAYER_ONTOP = 6,
WIN_LAYER_DOCK = 8,
WIN_LAYER_ABOVE_DOCK = 10
} GnomeWinLayer;
static void
update_net_wm_type (MetaWindow *window)
{
int n_atoms;
Atom *atoms;
int i;
window->type_atom = None;
n_atoms = 0;
atoms = NULL;
if (!meta_prop_get_atom_list (window->display, window->xwindow,
window->display->atom_net_wm_window_type,
&atoms, &n_atoms))
{
/* Fall back to WIN_LAYER */
gulong layer = WIN_LAYER_NORMAL;
if (meta_prop_get_cardinal (window->display,
window->xwindow,
window->display->atom_win_layer,
&layer))
{
meta_verbose ("%s falling back to _WIN_LAYER hint, layer %ld\n",
window->desc, layer);
switch (layer)
{
case WIN_LAYER_DESKTOP:
window->type_atom =
window->display->atom_net_wm_window_type_desktop;
break;
case WIN_LAYER_NORMAL:
window->type_atom =
window->display->atom_net_wm_window_type_normal;
break;
case WIN_LAYER_DOCK:
window->type_atom =
window->display->atom_net_wm_window_type_dock;
break;
default:
break;
}
}
recalc_window_type (window);
}
i = 0;
while (i < n_atoms)
{
/* We break as soon as we find one we recognize,
* supposed to prefer those near the front of the list
*/
if (atoms[i] == window->display->atom_net_wm_window_type_desktop ||
atoms[i] == window->display->atom_net_wm_window_type_dock ||
atoms[i] == window->display->atom_net_wm_window_type_toolbar ||
atoms[i] == window->display->atom_net_wm_window_type_menu ||
atoms[i] == window->display->atom_net_wm_window_type_dialog ||
atoms[i] == window->display->atom_net_wm_window_type_normal ||
atoms[i] == window->display->atom_net_wm_window_type_utility ||
atoms[i] == window->display->atom_net_wm_window_type_splashscreen)
{
window->type_atom = atoms[i];
break;
}
++i;
}
meta_XFree (atoms);
if (meta_is_verbose ())
{
char *str;
meta_error_trap_push (window->display);
str = XGetAtomName (window->display->xdisplay, window->type_atom);
if (meta_error_trap_pop (window->display))
str = NULL;
meta_verbose ("Window %s type atom %s\n", window->desc,
str ? str : "(none)");
if (str)
meta_XFree (str);
}
recalc_window_type (window);
}
static int
update_initial_workspace (MetaWindow *window)
{
gulong val = 0;
window->initial_workspace_set = FALSE;
/* Fall back to old WM spec hint if net_wm_desktop is missing, this
* is just to be nice when restarting from old Sawfish basically,
* should nuke it eventually
*/
if (meta_prop_get_cardinal (window->display,
window->xwindow,
window->display->atom_net_wm_desktop,
&val))
{
window->initial_workspace_set = TRUE;
window->initial_workspace = val;
meta_topic (META_DEBUG_PLACEMENT,
"Read initial workspace prop %d for %s\n",
window->initial_workspace, window->desc);
}
else if (meta_prop_get_cardinal (window->display,
window->xwindow,
window->display->atom_win_workspace,
&val))
{
window->initial_workspace_set = TRUE;
window->initial_workspace = val;
meta_topic (META_DEBUG_PLACEMENT,
"Read legacy GNOME workspace prop %d for %s\n",
window->initial_workspace, window->desc);
}
return Success;
}
static int
update_icon_name (MetaWindow *window)
{
char *str;
meta_error_trap_push (window->display);
if (window->icon_name)
{
g_free (window->icon_name);
window->icon_name = NULL;
}
str = NULL;
meta_prop_get_utf8_string (window->display, window->xwindow,
window->display->atom_net_wm_icon_name,
&str);
window->icon_name = g_strdup (str);
if (str)
meta_XFree (str);
if (window->icon_name)
{
meta_verbose ("Using _NET_WM_ICON_NAME for new icon name of %s: '%s'\n",
window->desc, window->icon_name);
}
if (window->icon_name == NULL)
{
window->icon_name = get_text_property (window->display, window->xwindow,
XA_WM_ICON_NAME);
if (window->icon_name)
{
meta_verbose ("Using WM_ICON_NAME for new title of %s: '%s'\n",
window->desc, window->icon_name);
}
}
if (window->icon_name == NULL)
window->icon_name = g_strdup ("");
return meta_error_trap_pop (window->display);
}
static int
update_icon (MetaWindow *window)
{
GdkPixbuf *icon;
GdkPixbuf *mini_icon;
icon = NULL;
mini_icon = NULL;
if (meta_read_icons (window->screen,
window->xwindow,
&window->icon_cache,
window->wm_hints_pixmap,
window->wm_hints_mask,
&icon,
META_ICON_WIDTH, META_ICON_HEIGHT,
&mini_icon,
META_MINI_ICON_WIDTH,
META_MINI_ICON_HEIGHT))
{
if (window->icon)
g_object_unref (G_OBJECT (window->icon));
if (window->mini_icon)
g_object_unref (G_OBJECT (window->mini_icon));
window->icon = icon;
window->mini_icon = mini_icon;
}
g_assert (window->icon);
g_assert (window->mini_icon);
return Success;
}
static GList*
meta_window_get_workspaces (MetaWindow *window)
{
if (window->on_all_workspaces)
return window->display->workspaces;
else
return window->workspaces;
}
static void
invalidate_work_areas (MetaWindow *window)
{
GList *tmp;
tmp = meta_window_get_workspaces (window);
while (tmp != NULL)
{
meta_workspace_invalidate_work_area (tmp->data);
tmp = tmp->next;
}
}
static void
update_struts (MetaWindow *window)
{
gulong *struts = NULL;
int nitems;
meta_verbose ("Updating struts for %s\n", window->desc);
window->has_struts = FALSE;
window->do_not_cover = FALSE;
window->left_strut = 0;
window->right_strut = 0;
window->top_strut = 0;
window->bottom_strut = 0;
if (meta_prop_get_cardinal_list (window->display,
window->xwindow,
window->display->atom_net_wm_strut,
&struts, &nitems))
{
if (nitems != 4)
{
meta_verbose ("_NET_WM_STRUT on %s has %d values instead of 4\n",
window->desc, nitems);
meta_XFree (struts);
}
window->has_struts = TRUE;
window->left_strut = struts[0];
window->right_strut = struts[1];
window->top_strut = struts[2];
window->bottom_strut = struts[3];
meta_verbose ("Using _NET_WM_STRUT struts %d %d %d %d for window %s\n",
window->left_strut, window->right_strut,
window->top_strut, window->bottom_strut,
window->desc);
meta_XFree (struts);
}
else
{
meta_verbose ("No _NET_WM_STRUT property for %s\n",
window->desc);
}
if (!window->has_struts)
{
/* Try _WIN_HINTS */
gulong hints;
if (meta_prop_get_cardinal (window->display,
window->xwindow,
window->display->atom_win_hints,
&hints))
{
if (hints & WIN_HINTS_DO_NOT_COVER)
{
window->has_struts = TRUE;
window->do_not_cover = TRUE;
recalc_do_not_cover_struts (window);
meta_verbose ("Using _WIN_HINTS struts %d %d %d %d for window %s\n",
window->left_strut, window->right_strut,
window->top_strut, window->bottom_strut,
window->desc);
}
else
{
meta_verbose ("DO_NOT_COVER hint not set in _WIN_HINTS\n");
}
}
else
{
meta_verbose ("No _WIN_HINTS property on %s\n",
window->desc);
}
}
meta_topic (META_DEBUG_WORKAREA,
"Invalidating work areas of window %s due to struts update\n",
window->desc);
invalidate_work_areas (window);
}
static void
recalc_do_not_cover_struts (MetaWindow *window)
{
if (window->do_not_cover)
{
/* We only understand windows that are aligned to
* a screen edge
*/
gboolean horizontal;
gboolean on_left_edge;
gboolean on_right_edge;
gboolean on_bottom_edge;
gboolean on_top_edge;
window->left_strut = 0;
window->right_strut = 0;
window->top_strut = 0;
window->bottom_strut = 0;
on_left_edge = window->rect.x == 0;
on_right_edge = (window->rect.x + window->rect.width) ==
window->screen->width;
on_top_edge = window->rect.y == 0;
on_bottom_edge = (window->rect.y + window->rect.height) ==
window->screen->height;
/* cheesy heuristic to decide where the strut goes */
if (on_left_edge && on_right_edge && on_bottom_edge)
horizontal = TRUE;
else if (on_left_edge && on_right_edge && on_top_edge)
horizontal = TRUE;
else if (on_top_edge && on_bottom_edge && on_left_edge)
horizontal = FALSE;
else if (on_top_edge && on_bottom_edge && on_right_edge)
horizontal = FALSE;
else
horizontal = window->rect.width > window->rect.height;
if (horizontal)
{
if (on_top_edge)
window->top_strut = window->rect.height;
else if (on_bottom_edge)
window->bottom_strut = window->rect.height;
}
else
{
if (on_left_edge)
window->left_strut = window->rect.width;
else if (on_right_edge)
window->right_strut = window->rect.width;
}
}
}
static void
recalc_window_type (MetaWindow *window)
{
MetaWindowType old_type;
old_type = window->type;
if (window->type_atom != None)
{
if (window->type_atom == window->display->atom_net_wm_window_type_desktop)
window->type = META_WINDOW_DESKTOP;
else if (window->type_atom == window->display->atom_net_wm_window_type_dock)
window->type = META_WINDOW_DOCK;
else if (window->type_atom == window->display->atom_net_wm_window_type_toolbar)
window->type = META_WINDOW_TOOLBAR;
else if (window->type_atom == window->display->atom_net_wm_window_type_menu)
window->type = META_WINDOW_MENU;
else if (window->type_atom == window->display->atom_net_wm_window_type_dialog)
window->type = META_WINDOW_DIALOG;
else if (window->type_atom == window->display->atom_net_wm_window_type_normal)
window->type = META_WINDOW_NORMAL;
else if (window->type_atom == window->display->atom_net_wm_window_type_utility)
window->type = META_WINDOW_UTILITY;
else if (window->type_atom == window->display->atom_net_wm_window_type_splashscreen)
window->type = META_WINDOW_SPLASHSCREEN;
else
meta_bug ("Set a type atom for %s that wasn't handled in recalc_window_type\n",
window->desc);
}
else if (window->xtransient_for != None)
{
window->type = META_WINDOW_DIALOG;
}
else
{
window->type = META_WINDOW_NORMAL;
}
if (window->type == META_WINDOW_DIALOG &&
window->wm_state_modal)
window->type = META_WINDOW_MODAL_DIALOG;
meta_verbose ("Calculated type %d for %s, old type %d\n",
window->type, window->desc, old_type);
if (old_type != window->type)
{
recalc_window_features (window);
set_net_wm_state (window);
/* Update frame */
if (window->decorated)
meta_window_ensure_frame (window);
else
meta_window_destroy_frame (window);
/* update stacking constraints */
meta_stack_update_layer (window->screen->stack, window);
}
}
static void
recalc_window_features (MetaWindow *window)
{
/* Use MWM hints initially */
window->decorated = window->mwm_decorated;
window->has_close_func = window->mwm_has_close_func;
window->has_minimize_func = window->mwm_has_minimize_func;
window->has_maximize_func = window->mwm_has_maximize_func;
window->has_move_func = window->mwm_has_move_func;
window->has_resize_func = window->mwm_has_resize_func;
window->has_shade_func = TRUE;
window->has_fullscreen_func = TRUE;
/* Semantic category overrides the MWM hints */
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_SPLASHSCREEN)
{
window->decorated = FALSE;
window->has_close_func = FALSE;
window->has_shade_func = FALSE;
window->has_move_func = FALSE;
window->has_resize_func = FALSE;
}
if (window->type != META_WINDOW_NORMAL)
{
window->has_minimize_func = FALSE;
window->has_maximize_func = FALSE;
window->has_fullscreen_func = FALSE;
}
/* We leave fullscreen windows decorated, just push the frame outside
* the screen. This avoids flickering to unparent them.
*/
if (window->fullscreen)
{
window->has_shade_func = FALSE;
window->has_move_func = FALSE;
window->has_resize_func = FALSE;
window->has_maximize_func = FALSE;
}
/* If min_size == max_size, then don't allow resize */
if (window->size_hints.min_width == window->size_hints.max_width &&
window->size_hints.min_height == window->size_hints.max_height)
window->has_resize_func = FALSE;
/* don't allow fullscreen if we can't resize */
if (!window->has_resize_func)
{
window->has_maximize_func = FALSE;
window->has_fullscreen_func = FALSE;
}
/* no shading if not decorated */
if (!window->decorated)
window->has_shade_func = FALSE;
/* FIXME perhaps should ensure if we don't have a shade func,
* we aren't shaded, etc.
*/
}
static void
constrain_size (MetaWindow *window,
MetaFrameGeometry *fgeom,
int width, int height,
int *new_width, int *new_height)
{
/* This is partially borrowed from GTK (LGPL), which in turn
* partially borrowed from fvwm,
*
* Copyright 1993, Robert Nation
* You may use this code for any purpose, as long as the original
* copyright remains in the source code and all documentation
*
* which in turn borrows parts of the algorithm from uwm
*/
int delta;
double min_aspect, max_aspect;
int minw, minh, maxw, maxh, fullw, fullh;
MetaRectangle work_area;
/* frame member variables should NEVER be used in here */
#define FLOOR(value, base) ( ((int) ((value) / (base))) * (base) )
meta_window_get_work_area (window, &work_area);
/* Get the allowed size ranges, considering maximized, etc. */
if (window->fullscreen ||
window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK)
{
fullw = window->screen->width;
fullh = window->screen->height;
}
else
{
fullw = work_area.width;
fullh = work_area.height;
}
if (window->frame && !window->fullscreen)
{
fullw -= (fgeom->left_width + fgeom->right_width);
fullh -= (fgeom->top_height + fgeom->bottom_height);
}
maxw = window->size_hints.max_width;
maxh = window->size_hints.max_height;
if (window->maximized || window->fullscreen)
{
maxw = MIN (maxw, fullw);
maxh = MIN (maxh, fullh);
}
minw = window->size_hints.min_width;
minh = window->size_hints.min_height;
/* Check that fullscreen doesn't go under app-specified min size, if
* so snap back to min size
*/
if (maxw < minw)
maxw = minw;
if (maxh < minh)
maxh = minh;
if (window->maximized || window->fullscreen)
{
minw = MAX (minw, fullw);
minh = MAX (minh, fullh);
}
/* Check that fullscreen doesn't exceed max width hint,
* if so then snap back to max width hint
*/
if (minw > maxw)
minw = maxw;
if (minh > maxh)
minh = maxh;
/* clamp width and height to min and max values
*/
width = CLAMP (width, minw, maxw);
height = CLAMP (height, minh, maxh);
/* shrink to base + N * inc
*/
width = window->size_hints.base_width +
FLOOR (width - window->size_hints.base_width, window->size_hints.width_inc);
height = window->size_hints.base_height +
FLOOR (height - window->size_hints.base_height, window->size_hints.height_inc);
/* constrain aspect ratio, according to:
*
* width
* min_aspect <= -------- <= max_aspect
* height
*/
min_aspect = window->size_hints.min_aspect.x / (double) window->size_hints.min_aspect.y;
max_aspect = window->size_hints.max_aspect.x / (double) window->size_hints.max_aspect.y;
if (min_aspect * height > width)
{
delta = FLOOR (height - width * min_aspect, window->size_hints.height_inc);
if (height - delta >= window->size_hints.min_height)
height -= delta;
else
{
delta = FLOOR (height * min_aspect - width, window->size_hints.width_inc);
if (width + delta <= window->size_hints.max_width)
width += delta;
}
}
if (max_aspect * height < width)
{
delta = FLOOR (width - height * max_aspect, window->size_hints.width_inc);
if (width - delta >= window->size_hints.min_width)
width -= delta;
else
{
delta = FLOOR (width / max_aspect - height, window->size_hints.height_inc);
if (height + delta <= window->size_hints.max_height)
height += delta;
}
}
#undef FLOOR
*new_width = width;
*new_height = height;
}
static void
constrain_position (MetaWindow *window,
MetaFrameGeometry *fgeom,
int x,
int y,
int *new_x,
int *new_y)
{
MetaRectangle work_area;
meta_window_get_work_area (window, &work_area);
/* frame member variables should NEVER be used in here, only
* MetaFrameGeometry
*/
if (!window->placed && window->calc_placement)
meta_window_place (window, fgeom, x, y, &x, &y);
if (window->fullscreen)
{
x = 0;
y = 0;
}
else if (window->type != META_WINDOW_DESKTOP &&
window->type != META_WINDOW_DOCK)
{
int nw_x, nw_y;
int se_x, se_y;
int offscreen_w, offscreen_h;
/* find furthest northwest point the window can occupy,
* to disallow moving titlebar off the top or left
*/
nw_x = work_area.x;
nw_y = work_area.y;
if (window->frame)
{
nw_x += fgeom->left_width;
nw_y += fgeom->top_height;
}
/* find bottom-right corner of workarea */
se_x = work_area.x + work_area.width;
se_y = work_area.y + work_area.height;
/* if the window's size exceeds the screen size,
* we allow it to go off the top/left far enough
* to get the right/bottom edges onscreen.
*/
offscreen_w = nw_x + window->rect.width;
offscreen_h = nw_y + window->rect.height;
if (window->frame)
{
offscreen_w += fgeom->right_width;
offscreen_h += fgeom->bottom_height;
}
offscreen_w = offscreen_w - se_x;
offscreen_h = offscreen_h - se_y;
/* Now change NW limit to reflect amount offscreen in SE direction */
if (offscreen_w > 0)
nw_x -= offscreen_w;
if (offscreen_h > 0)
nw_y -= offscreen_h;
#if 0
/* This is the old don't-allow-off-screen-at-all constraint */
/* Convert se_x, se_y to the most bottom-right position
* the window can occupy - don't allow offscreen
*/
se_x -= window->rect.width;
se_y -= window->rect.height;
if (window->frame)
{
se_x -= fgeom->right_width;
se_y -= fgeom->bottom_height;
}
/* If the window is larger than screen, allow it to move, as for
* nw_x nw_y
*/
if (offscreen_w > 0)
se_x += offscreen_w;
if (offscreen_h > 0)
se_y += offscreen_h;
#endif
#if 1
/* Require the top-left corner of the frame to be onscreen,
* so people can't lose the menu control. (FIXME
* instead of TITLEBAR_LENGTH_ONSCREEN, get the actual size
* of the menu control?).
*
* Remember, we're constraining StaticGravity position.
*/
if (window->frame)
{
#define TITLEBAR_LENGTH_ONSCREEN 15
se_x -= TITLEBAR_LENGTH_ONSCREEN;
se_y -= 0;
}
else
{
/* for frameless windows, just require an arbitrary little
* chunk to be onscreen
*/
se_x -= TITLEBAR_LENGTH_ONSCREEN;
se_y -= TITLEBAR_LENGTH_ONSCREEN;
}
#endif
/* If we have a micro-screen or huge frames maybe nw/se got
* swapped
*/
if (nw_x > se_x)
{
int tmp = nw_x;
nw_x = se_x;
se_x = tmp;
}
if (nw_y > se_y)
{
int tmp = nw_y;
nw_y = se_y;
se_y = tmp;
}
/* Clamp window to the given positions.
* Do the SE clamp first, so that the NW clamp has precedence
* and we don't tend to lose the titlebar for too-large
* windows.
*/
if (x > se_x)
x = se_x;
if (y > se_y)
y = se_y;
if (x < nw_x)
x = nw_x;
if (y < nw_y)
y = nw_y;
/* If maximized, force the exact position */
if (window->maximized)
{
if (x != nw_x)
x = nw_x;
if (y != nw_y)
y = nw_y;
}
}
*new_x = x;
*new_y = y;
}
static void
menu_callback (MetaWindowMenu *menu,
Display *xdisplay,
Window client_xwindow,
MetaMenuOp op,
int workspace_index,
gpointer data)
{
MetaDisplay *display;
MetaWindow *window;
display = meta_display_for_x_display (xdisplay);
window = meta_display_lookup_x_window (display, client_xwindow);
if (window != NULL) /* window can be NULL */
{
meta_verbose ("Menu op %d on %s\n", op, window->desc);
/* op can be 0 for none */
switch (op)
{
case META_MENU_OP_DELETE:
meta_window_delete (window, meta_display_get_current_time (window->display));
break;
case META_MENU_OP_MINIMIZE:
meta_window_minimize (window);
break;
case META_MENU_OP_UNMAXIMIZE:
meta_window_unmaximize (window);
break;
case META_MENU_OP_MAXIMIZE:
meta_window_maximize (window);
break;
case META_MENU_OP_UNSHADE:
meta_window_unshade (window);
break;
case META_MENU_OP_SHADE:
meta_window_shade (window);
break;
case META_MENU_OP_WORKSPACES:
{
MetaWorkspace *workspace;
workspace =
meta_display_get_workspace_by_screen_index (window->display,
window->screen,
workspace_index);
if (workspace)
meta_window_change_workspace (window,
workspace);
else
meta_warning ("Workspace %d doesn't exist\n", workspace_index);
}
break;
case META_MENU_OP_STICK:
meta_window_stick (window);
break;
case META_MENU_OP_UNSTICK:
meta_window_unstick (window);
break;
case META_MENU_OP_MOVE:
meta_window_raise (window);
meta_display_begin_grab_op (window->display,
window,
META_GRAB_OP_KEYBOARD_MOVING,
FALSE, 0, 0,
meta_display_get_current_time (window->display),
0, 0);
break;
case META_MENU_OP_RESIZE:
break;
case 0:
/* nothing */
break;
default:
meta_warning (G_STRLOC": Unknown window op\n");
break;
}
}
else
{
meta_verbose ("Menu callback on nonexistent window\n");
}
meta_ui_window_menu_free (menu);
}
void
meta_window_show_menu (MetaWindow *window,
int root_x,
int root_y,
int button,
Time timestamp)
{
MetaMenuOp ops;
MetaMenuOp insensitive;
MetaWindowMenu *menu;
ops = 0;
insensitive = 0;
ops |= (META_MENU_OP_DELETE | META_MENU_OP_WORKSPACES | META_MENU_OP_MINIMIZE | META_MENU_OP_MOVE | META_MENU_OP_RESIZE);
if (window->maximized)
ops |= META_MENU_OP_UNMAXIMIZE;
else
ops |= META_MENU_OP_MAXIMIZE;
if (window->shaded)
ops |= META_MENU_OP_UNSHADE;
else
ops |= META_MENU_OP_SHADE;
if (window->on_all_workspaces)
ops |= META_MENU_OP_UNSTICK;
else
ops |= META_MENU_OP_STICK;
if (!window->has_maximize_func)
insensitive |= META_MENU_OP_UNMAXIMIZE | META_MENU_OP_MAXIMIZE;
if (!window->has_minimize_func)
insensitive |= META_MENU_OP_MINIMIZE;
if (!window->has_close_func)
insensitive |= META_MENU_OP_DELETE;
if (!window->has_shade_func)
insensitive |= META_MENU_OP_SHADE | META_MENU_OP_UNSHADE;
if (!window->has_move_func)
insensitive |= META_MENU_OP_MOVE;
if (!window->has_resize_func)
insensitive |= META_MENU_OP_RESIZE;
menu =
meta_ui_window_menu_new (window->screen->ui,
window->xwindow,
ops,
insensitive,
meta_window_get_net_wm_desktop (window),
meta_screen_get_n_workspaces (window->screen),
menu_callback,
NULL);
meta_verbose ("Popping up window menu for %s\n", window->desc);
meta_ui_window_menu_popup (menu, root_x, root_y, button, timestamp);
}
static void
window_query_root_pointer (MetaWindow *window,
int *x, int *y)
{
Window root_return, child_return;
int root_x_return, root_y_return;
int win_x_return, win_y_return;
unsigned int mask_return;
meta_error_trap_push (window->display);
XQueryPointer (window->display->xdisplay,
window->xwindow,
&root_return,
&child_return,
&root_x_return,
&root_y_return,
&win_x_return,
&win_y_return,
&mask_return);
meta_error_trap_pop (window->display);
if (x)
*x = root_x_return;
if (y)
*y = root_y_return;
}
static void
update_move (MetaWindow *window,
unsigned int mask,
int x,
int y)
{
int dx, dy;
int new_x, new_y;
dx = x - window->display->grab_root_x;
dy = y - window->display->grab_root_y;
new_x = window->display->grab_initial_window_pos.x + dx;
new_y = window->display->grab_initial_window_pos.y + dy;
if (mask & ShiftMask)
{
/* snap to edges */
new_x = meta_window_find_nearest_vertical_edge (window, new_x);
new_y = meta_window_find_nearest_horizontal_edge (window, new_y);
}
meta_window_move (window, TRUE, new_x, new_y);
}
static void
update_resize (MetaWindow *window,
int x, int y)
{
int dx, dy;
int new_w, new_h;
int gravity;
dx = x - window->display->grab_root_x;
dy = y - window->display->grab_root_y;
new_w = window->display->grab_initial_window_pos.width;
new_h = window->display->grab_initial_window_pos.height;
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_E:
new_w += dx;
break;
case META_GRAB_OP_RESIZING_NW:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_RESIZING_W:
new_w -= dx;
break;
default:
break;
}
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_SW:
new_h += dy;
break;
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
new_h -= dy;
break;
default:
break;
}
/* compute gravity of client during operation */
gravity = meta_resize_gravity_from_grab_op (window->display->grab_op);
g_assert (gravity >= 0);
meta_window_resize_with_gravity (window, TRUE, new_w, new_h, gravity);
}
void
meta_window_handle_mouse_grab_op_event (MetaWindow *window,
XEvent *event)
{
switch (event->type)
{
case ButtonRelease:
meta_display_end_grab_op (window->display, event->xbutton.time);
switch (window->display->grab_op)
{
case META_GRAB_OP_MOVING:
update_move (window, event->xbutton.state,
event->xbutton.x_root, event->xbutton.y_root);
break;
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_RESIZING_W:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
update_resize (window, event->xbutton.x_root, event->xbutton.y_root);
break;
default:
break;
}
break;
case MotionNotify:
switch (window->display->grab_op)
{
case META_GRAB_OP_MOVING:
{
int x, y;
window_query_root_pointer (window, &x, &y);
update_move (window,
event->xbutton.state,
x, y);
}
break;
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_RESIZING_W:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
{
int x, y;
window_query_root_pointer (window, &x, &y);
update_resize (window, x, y);
}
break;
default:
break;
}
break;
default:
break;
}
}
gboolean
meta_window_shares_some_workspace (MetaWindow *window,
MetaWindow *with)
{
GList *tmp;
if (window->on_all_workspaces ||
with->on_all_workspaces)
return TRUE;
tmp = window->workspaces;
while (tmp != NULL)
{
if (g_list_find (with->workspaces, tmp->data) != NULL)
return TRUE;
tmp = tmp->next;
}
return FALSE;
}
void
meta_window_set_gravity (MetaWindow *window,
int gravity)
{
XSetWindowAttributes attrs;
meta_verbose ("Setting gravity of %s to %d\n", window->desc, gravity);
attrs.win_gravity = gravity;
meta_error_trap_push (window->display);
XChangeWindowAttributes (window->display->xdisplay,
window->xwindow,
CWWinGravity,
&attrs);
meta_error_trap_pop (window->display);
}
void
meta_window_get_work_area (MetaWindow *window,
MetaRectangle *area)
{
MetaRectangle space_area;
GList *tmp;
int left_strut = 0;
int right_strut = 0;
int top_strut = 0;
int bottom_strut = 0;
tmp = meta_window_get_workspaces (window);
while (tmp != NULL)
{
meta_workspace_get_work_area (tmp->data, &space_area);
left_strut = MAX (left_strut, space_area.x);
right_strut = MAX (right_strut,
(window->screen->width - space_area.x - space_area.width));
top_strut = MAX (top_strut, space_area.y);
bottom_strut = MAX (bottom_strut,
(window->screen->height - space_area.y - space_area.height));
tmp = tmp->next;
}
area->x = left_strut;
area->y = top_strut;
area->width = window->screen->width - left_strut - right_strut;
area->height = window->screen->height - top_strut - bottom_strut;
meta_topic (META_DEBUG_WORKAREA,
"Window %s has work area %d,%d %d x %d\n",
window->desc, area->x, area->y, area->width, area->height);
}
gboolean
meta_window_same_application (MetaWindow *window,
MetaWindow *other_window)
{
return (window->xgroup_leader != None &&
other_window->xgroup_leader != None &&
window->xgroup_leader == other_window->xgroup_leader);
}
void
meta_window_refresh_resize_popup (MetaWindow *window)
{
if (window->display->grab_op == META_GRAB_OP_NONE)
return;
if (window->display->grab_window != window)
return;
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
case META_GRAB_OP_RESIZING_W:
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN:
case META_GRAB_OP_KEYBOARD_RESIZING_S:
case META_GRAB_OP_KEYBOARD_RESIZING_N:
case META_GRAB_OP_KEYBOARD_RESIZING_W:
case META_GRAB_OP_KEYBOARD_RESIZING_E:
case META_GRAB_OP_KEYBOARD_RESIZING_SE:
case META_GRAB_OP_KEYBOARD_RESIZING_NE:
case META_GRAB_OP_KEYBOARD_RESIZING_SW:
case META_GRAB_OP_KEYBOARD_RESIZING_NW:
break;
default:
/* Not resizing */
return;
}
if (window->display->grab_resize_popup == NULL)
{
/* FIXME only create it if width_inc > 1 or height_inc > 1 */
window->display->grab_resize_popup = meta_ui_resize_popup_new ();
}
if (window->display->grab_resize_popup != NULL)
{
int gravity;
int x, y;
MetaFrameGeometry fgeom;
if (window->frame)
meta_frame_calc_geometry (window->frame, &fgeom);
else
{
fgeom.left_width = 0;
fgeom.right_width = 0;
fgeom.top_height = 0;
fgeom.bottom_height = 0;
}
gravity = meta_resize_gravity_from_grab_op (window->display->grab_op);
g_assert (gravity >= 0);
meta_window_get_position (window, &x, &y);
meta_ui_resize_popup_set (window->display->grab_resize_popup,
gravity,
x, y,
window->rect.width,
window->rect.height,
window->size_hints.base_width,
window->size_hints.base_height,
window->size_hints.min_width,
window->size_hints.min_height,
window->size_hints.width_inc,
window->size_hints.height_inc,
fgeom.left_width,
fgeom.right_width,
fgeom.top_height,
fgeom.bottom_height);
meta_ui_resize_popup_set_showing (window->display->grab_resize_popup,
TRUE);
}
}
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