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mutter-performance-source/src/core/place.c
Bilal Elmoussaoui fb4161853f cleanup: Make GDK dependency specific to X11 
This way, the dependencies on GTK/GDK could be completely dropped if
built with Wayland only.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2407>
2022-12-22 15:09:03 +01:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Mutter window placement */
/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2002, 2003 Red Hat, Inc.
* Copyright (C) 2003 Rob Adams
* Copyright (C) 2005 Elijah Newren
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "core/place.h"
#include <math.h>
#include <stdlib.h>
#include "backends/meta-backend-private.h"
#include "backends/meta-logical-monitor.h"
#include "core/boxes-private.h"
#include "meta/meta-backend.h"
#include "meta/prefs.h"
#include "meta/workspace.h"
typedef enum
{
META_LEFT,
META_RIGHT,
META_TOP,
META_BOTTOM
} MetaWindowDirection;
static gint
northwestcmp (gconstpointer a, gconstpointer b)
{
MetaWindow *aw = (gpointer) a;
MetaWindow *bw = (gpointer) b;
MetaRectangle a_frame;
MetaRectangle b_frame;
int from_origin_a;
int from_origin_b;
int ax, ay, bx, by;
meta_window_get_frame_rect (aw, &a_frame);
meta_window_get_frame_rect (bw, &b_frame);
ax = a_frame.x;
ay = a_frame.y;
bx = b_frame.x;
by = b_frame.y;
/* probably there's a fast good-enough-guess we could use here. */
from_origin_a = sqrt (ax * ax + ay * ay);
from_origin_b = sqrt (bx * bx + by * by);
if (from_origin_a < from_origin_b)
return -1;
else if (from_origin_a > from_origin_b)
return 1;
else
return 0;
}
static void
find_next_cascade (MetaWindow *window,
/* visible windows on relevant workspaces */
GList *windows,
int x,
int y,
int *new_x,
int *new_y)
{
MetaDisplay *display = meta_window_get_display (window);
MetaContext *context = meta_display_get_context (display);
MetaBackend *backend = meta_context_get_backend (context);
GList *tmp;
GList *sorted;
int cascade_x, cascade_y;
MetaRectangle titlebar_rect;
int x_threshold, y_threshold;
MetaRectangle frame_rect;
int window_width, window_height;
int cascade_stage;
MetaRectangle work_area;
MetaLogicalMonitor *current;
sorted = g_list_copy (windows);
sorted = g_list_sort (sorted, northwestcmp);
/* This is a "fuzzy" cascade algorithm.
* For each window in the list, we find where we'd cascade a
* new window after it. If a window is already nearly at that
* position, we move on.
*/
/* arbitrary-ish threshold, honors user attempts to
* manually cascade.
*/
#define CASCADE_FUZZ 15
meta_window_get_titlebar_rect (window, &titlebar_rect);
x_threshold = MAX (titlebar_rect.x, CASCADE_FUZZ);
y_threshold = MAX (titlebar_rect.y, CASCADE_FUZZ);
/* Find furthest-SE origin of all workspaces.
* cascade_x, cascade_y are the target position
* of NW corner of window frame.
*/
current = meta_backend_get_current_logical_monitor (backend);
meta_window_get_work_area_for_logical_monitor (window, current, &work_area);
cascade_x = MAX (0, work_area.x);
cascade_y = MAX (0, work_area.y);
/* Find first cascade position that's not used. */
meta_window_get_frame_rect (window, &frame_rect);
window_width = frame_rect.width;
window_height = frame_rect.height;
cascade_stage = 0;
tmp = sorted;
while (tmp != NULL)
{
MetaWindow *w;
MetaRectangle w_frame_rect;
int wx, wy;
w = tmp->data;
/* we want frame position, not window position */
meta_window_get_frame_rect (w, &w_frame_rect);
wx = w_frame_rect.x;
wy = w_frame_rect.y;
if (ABS (wx - cascade_x) < x_threshold &&
ABS (wy - cascade_y) < y_threshold)
{
meta_window_get_titlebar_rect (w, &titlebar_rect);
/* Cascade the window evenly by the titlebar height; this isn't a typo. */
cascade_x = wx + titlebar_rect.height;
cascade_y = wy + titlebar_rect.height;
/* If we go off the screen, start over with a new cascade */
if (((cascade_x + window_width) >
(work_area.x + work_area.width)) ||
((cascade_y + window_height) >
(work_area.y + work_area.height)))
{
cascade_x = MAX (0, work_area.x);
cascade_y = MAX (0, work_area.y);
#define CASCADE_INTERVAL 50 /* space between top-left corners of cascades */
cascade_stage += 1;
cascade_x += CASCADE_INTERVAL * cascade_stage;
/* start over with a new cascade translated to the right, unless
* we are out of space
*/
if ((cascade_x + window_width) <
(work_area.x + work_area.width))
{
tmp = sorted;
continue;
}
else
{
/* All out of space, this cascade_x won't work */
cascade_x = MAX (0, work_area.x);
break;
}
}
}
else
{
/* Keep searching for a further-down-the-diagonal window. */
}
tmp = tmp->next;
}
/* cascade_x and cascade_y will match the last window in the list
* that was "in the way" (in the approximate cascade diagonal)
*/
g_list_free (sorted);
*new_x = cascade_x;
*new_y = cascade_y;
}
static void
find_most_freespace (MetaWindow *window,
/* visible windows on relevant workspaces */
MetaWindow *focus_window,
int x,
int y,
int *new_x,
int *new_y)
{
MetaWindowDirection side;
int max_area;
int max_width, max_height, left, right, top, bottom;
int left_space, right_space, top_space, bottom_space;
MetaRectangle work_area;
MetaRectangle avoid;
MetaRectangle frame_rect;
meta_window_get_work_area_current_monitor (focus_window, &work_area);
meta_window_get_frame_rect (focus_window, &avoid);
meta_window_get_frame_rect (window, &frame_rect);
/* Find the areas of choosing the various sides of the focus window */
max_width = MIN (avoid.width, frame_rect.width);
max_height = MIN (avoid.height, frame_rect.height);
left_space = avoid.x - work_area.x;
right_space = work_area.width - (avoid.x + avoid.width - work_area.x);
top_space = avoid.y - work_area.y;
bottom_space = work_area.height - (avoid.y + avoid.height - work_area.y);
left = MIN (left_space, frame_rect.width);
right = MIN (right_space, frame_rect.width);
top = MIN (top_space, frame_rect.height);
bottom = MIN (bottom_space, frame_rect.height);
/* Find out which side of the focus_window can show the most of the window */
side = META_LEFT;
max_area = left*max_height;
if (right*max_height > max_area)
{
side = META_RIGHT;
max_area = right*max_height;
}
if (top*max_width > max_area)
{
side = META_TOP;
max_area = top*max_width;
}
if (bottom*max_width > max_area)
{
side = META_BOTTOM;
max_area = bottom*max_width;
}
/* Give up if there's no where to put it (i.e. focus window is maximized) */
if (max_area == 0)
return;
/* Place the window on the relevant side; if the whole window fits,
* make it adjacent to the focus window; if not, make sure the
* window doesn't go off the edge of the screen.
*/
switch (side)
{
case META_LEFT:
*new_y = avoid.y;
if (left_space > frame_rect.width)
*new_x = avoid.x - frame_rect.width;
else
*new_x = work_area.x;
break;
case META_RIGHT:
*new_y = avoid.y;
if (right_space > frame_rect.width)
*new_x = avoid.x + avoid.width;
else
*new_x = work_area.x + work_area.width - frame_rect.width;
break;
case META_TOP:
*new_x = avoid.x;
if (top_space > frame_rect.height)
*new_y = avoid.y - frame_rect.height;
else
*new_y = work_area.y;
break;
case META_BOTTOM:
*new_x = avoid.x;
if (bottom_space > frame_rect.height)
*new_y = avoid.y + avoid.height;
else
*new_y = work_area.y + work_area.height - frame_rect.height;
break;
}
}
static gboolean
window_overlaps_focus_window (MetaWindow *window)
{
MetaWindow *focus_window;
MetaRectangle window_frame, focus_frame, overlap;
focus_window = window->display->focus_window;
if (focus_window == NULL)
return FALSE;
meta_window_get_frame_rect (window, &window_frame);
meta_window_get_frame_rect (focus_window, &focus_frame);
return meta_rectangle_intersect (&window_frame,
&focus_frame,
&overlap);
}
static gboolean
window_place_centered (MetaWindow *window)
{
MetaWindowType type;
type = window->type;
return (type == META_WINDOW_DIALOG ||
type == META_WINDOW_MODAL_DIALOG ||
type == META_WINDOW_SPLASHSCREEN ||
(type == META_WINDOW_NORMAL && meta_prefs_get_center_new_windows ()));
}
static void
avoid_being_obscured_as_second_modal_dialog (MetaWindow *window,
int *x,
int *y)
{
/* We can't center this dialog if it was denied focus and it
* overlaps with the focus window and this dialog is modal and this
* dialog is in the same app as the focus window (*phew*...please
* don't make me say that ten times fast). See bug 307875 comment 11
* and 12 for details, but basically it means this is probably a
* second modal dialog for some app while the focus window is the
* first modal dialog. We should probably make them simultaneously
* visible in general, but it becomes mandatory to do so due to
* buggy apps (e.g. those using gtk+ *sigh*) because in those cases
* this second modal dialog also happens to be modal to the first
* dialog in addition to the main window, while it has only let us
* know about the modal-to-the-main-window part.
*/
MetaWindow *focus_window;
focus_window = window->display->focus_window;
/* denied_focus_and_not_transient is only set when focus_window != NULL */
if (window->denied_focus_and_not_transient &&
window->type == META_WINDOW_MODAL_DIALOG &&
meta_window_same_application (window, focus_window) &&
window_overlaps_focus_window (window))
{
find_most_freespace (window, focus_window, *x, *y, x, y);
meta_topic (META_DEBUG_PLACEMENT,
"Dialog window %s was denied focus but may be modal "
"to the focus window; had to move it to avoid the "
"focus window",
window->desc);
}
}
static gboolean
rectangle_overlaps_some_window (MetaRectangle *rect,
GList *windows)
{
GList *tmp;
MetaRectangle dest;
tmp = windows;
while (tmp != NULL)
{
MetaWindow *other = tmp->data;
MetaRectangle other_rect;
switch (other->type)
{
case META_WINDOW_DOCK:
case META_WINDOW_SPLASHSCREEN:
case META_WINDOW_DESKTOP:
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
/* override redirect window types: */
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
case META_WINDOW_OVERRIDE_OTHER:
break;
case META_WINDOW_NORMAL:
case META_WINDOW_UTILITY:
case META_WINDOW_TOOLBAR:
case META_WINDOW_MENU:
meta_window_get_frame_rect (other, &other_rect);
if (meta_rectangle_intersect (rect, &other_rect, &dest))
return TRUE;
break;
}
tmp = tmp->next;
}
return FALSE;
}
static gint
leftmost_cmp (gconstpointer a, gconstpointer b)
{
MetaWindow *aw = (gpointer) a;
MetaWindow *bw = (gpointer) b;
MetaRectangle a_frame;
MetaRectangle b_frame;
int ax, bx;
meta_window_get_frame_rect (aw, &a_frame);
meta_window_get_frame_rect (bw, &b_frame);
ax = a_frame.x;
bx = b_frame.x;
if (ax < bx)
return -1;
else if (ax > bx)
return 1;
else
return 0;
}
static gint
topmost_cmp (gconstpointer a, gconstpointer b)
{
MetaWindow *aw = (gpointer) a;
MetaWindow *bw = (gpointer) b;
MetaRectangle a_frame;
MetaRectangle b_frame;
int ay, by;
meta_window_get_frame_rect (aw, &a_frame);
meta_window_get_frame_rect (bw, &b_frame);
ay = a_frame.y;
by = b_frame.y;
if (ay < by)
return -1;
else if (ay > by)
return 1;
else
return 0;
}
static void
center_tile_rect_in_area (MetaRectangle *rect,
MetaRectangle *work_area)
{
int fluff;
/* The point here is to tile a window such that "extra"
* space is equal on either side (i.e. so a full screen
* of windows tiled this way would center the windows
* as a group)
*/
fluff = (work_area->width % (rect->width+1)) / 2;
rect->x = work_area->x + fluff;
fluff = (work_area->height % (rect->height+1)) / 3;
rect->y = work_area->y + fluff;
}
/* Find the leftmost, then topmost, empty area on the workspace
* that can contain the new window.
*
* Cool feature to have: if we can't fit the current window size,
* try shrinking the window (within geometry constraints). But
* beware windows such as Emacs with no sane minimum size, we
* don't want to create a 1x1 Emacs.
*/
static gboolean
find_first_fit (MetaWindow *window,
/* visible windows on relevant workspaces */
GList *windows,
MetaLogicalMonitor *logical_monitor,
int x,
int y,
int *new_x,
int *new_y)
{
/* This algorithm is limited - it just brute-force tries
* to fit the window in a small number of locations that are aligned
* with existing windows. It tries to place the window on
* the bottom of each existing window, and then to the right
* of each existing window, aligned with the left/top of the
* existing window in each of those cases.
*/
int retval;
GList *below_sorted;
GList *right_sorted;
GList *tmp;
MetaRectangle rect;
MetaRectangle work_area;
retval = FALSE;
/* Below each window */
below_sorted = g_list_copy (windows);
below_sorted = g_list_sort (below_sorted, leftmost_cmp);
below_sorted = g_list_sort (below_sorted, topmost_cmp);
/* To the right of each window */
right_sorted = g_list_copy (windows);
right_sorted = g_list_sort (right_sorted, topmost_cmp);
right_sorted = g_list_sort (right_sorted, leftmost_cmp);
meta_window_get_frame_rect (window, &rect);
#ifdef WITH_VERBOSE_MODE
{
char monitor_location_string[RECT_LENGTH];
meta_rectangle_to_string (&logical_monitor->rect,
monitor_location_string);
meta_topic (META_DEBUG_PLACEMENT,
"Natural monitor is %s",
monitor_location_string);
}
#endif
meta_window_get_work_area_for_logical_monitor (window,
logical_monitor,
&work_area);
center_tile_rect_in_area (&rect, &work_area);
if (meta_rectangle_contains_rect (&work_area, &rect) &&
!rectangle_overlaps_some_window (&rect, windows))
{
*new_x = rect.x;
*new_y = rect.y;
retval = TRUE;
goto out;
}
/* try below each window */
tmp = below_sorted;
while (tmp != NULL)
{
MetaWindow *w = tmp->data;
MetaRectangle frame_rect;
meta_window_get_frame_rect (w, &frame_rect);
rect.x = frame_rect.x;
rect.y = frame_rect.y + frame_rect.height;
if (meta_rectangle_contains_rect (&work_area, &rect) &&
!rectangle_overlaps_some_window (&rect, below_sorted))
{
*new_x = rect.x;
*new_y = rect.y;
retval = TRUE;
goto out;
}
tmp = tmp->next;
}
/* try to the right of each window */
tmp = right_sorted;
while (tmp != NULL)
{
MetaWindow *w = tmp->data;
MetaRectangle frame_rect;
meta_window_get_frame_rect (w, &frame_rect);
rect.x = frame_rect.x + frame_rect.width;
rect.y = frame_rect.y;
if (meta_rectangle_contains_rect (&work_area, &rect) &&
!rectangle_overlaps_some_window (&rect, right_sorted))
{
*new_x = rect.x;
*new_y = rect.y;
retval = TRUE;
goto out;
}
tmp = tmp->next;
}
out:
g_list_free (below_sorted);
g_list_free (right_sorted);
return retval;
}
void
meta_window_process_placement (MetaWindow *window,
MetaPlacementRule *placement_rule,
int *rel_x,
int *rel_y)
{
MetaRectangle anchor_rect;
int window_width, window_height;
int x, y;
window_width = placement_rule->width;
window_height = placement_rule->height;
anchor_rect = placement_rule->anchor_rect;
/* Place at anchor point. */
if (placement_rule->anchor & META_PLACEMENT_ANCHOR_LEFT)
x = anchor_rect.x;
else if (placement_rule->anchor & META_PLACEMENT_ANCHOR_RIGHT)
x = anchor_rect.x + anchor_rect.width;
else
x = anchor_rect.x + (anchor_rect.width / 2);
if (placement_rule->anchor & META_PLACEMENT_ANCHOR_TOP)
y = anchor_rect.y;
else if (placement_rule->anchor & META_PLACEMENT_ANCHOR_BOTTOM)
y = anchor_rect.y + anchor_rect.height;
else
y = anchor_rect.y + (anchor_rect.height / 2);
/* Shift according to gravity. */
if (placement_rule->gravity & META_PLACEMENT_GRAVITY_LEFT)
x -= window_width;
else if (placement_rule->gravity & META_PLACEMENT_GRAVITY_RIGHT)
x = x;
else
x -= window_width / 2;
if (placement_rule->gravity & META_PLACEMENT_GRAVITY_TOP)
y -= window_height;
else if (placement_rule->gravity & META_PLACEMENT_GRAVITY_BOTTOM)
y = y;
else
y -= window_height / 2;
/* Offset according to offset. */
x += placement_rule->offset_x;
y += placement_rule->offset_y;
*rel_x = x;
*rel_y = y;
}
void
meta_window_place (MetaWindow *window,
int x,
int y,
int *new_x,
int *new_y)
{
MetaDisplay *display = meta_window_get_display (window);
MetaContext *context = meta_display_get_context (display);
MetaBackend *backend = meta_context_get_backend (context);
GList *windows = NULL;
MetaLogicalMonitor *logical_monitor;
meta_topic (META_DEBUG_PLACEMENT, "Placing window %s", window->desc);
g_return_if_fail (!window->placement.rule);
switch (window->type)
{
/* Run placement algorithm on these. */
case META_WINDOW_NORMAL:
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
case META_WINDOW_SPLASHSCREEN:
break;
/* Assume the app knows best how to place these, no placement
* algorithm ever (other than "leave them as-is")
*/
case META_WINDOW_DESKTOP:
case META_WINDOW_DOCK:
case META_WINDOW_TOOLBAR:
case META_WINDOW_MENU:
case META_WINDOW_UTILITY:
/* override redirect window types: */
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
case META_WINDOW_OVERRIDE_OTHER:
goto done;
}
if (meta_prefs_get_disable_workarounds ())
{
switch (window->type)
{
/* Only accept USPosition on normal windows because the app is full
* of shit claiming the user set -geometry for a dialog or dock
*/
case META_WINDOW_NORMAL:
if (window->size_hints.flags & USPosition)
{
/* don't constrain with placement algorithm */
meta_topic (META_DEBUG_PLACEMENT,
"Honoring USPosition for %s instead of using placement algorithm",
window->desc);
goto done;
}
break;
/* Ignore even USPosition on dialogs, splashscreen */
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
case META_WINDOW_SPLASHSCREEN:
break;
/* Assume the app knows best how to place these. */
case META_WINDOW_DESKTOP:
case META_WINDOW_DOCK:
case META_WINDOW_TOOLBAR:
case META_WINDOW_MENU:
case META_WINDOW_UTILITY:
/* override redirect window types: */
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
case META_WINDOW_OVERRIDE_OTHER:
if (window->size_hints.flags & PPosition)
{
meta_topic (META_DEBUG_PLACEMENT,
"Not placing non-normal non-dialog window with PPosition set");
goto done;
}
break;
}
}
else
{
/* workarounds enabled */
if ((window->size_hints.flags & PPosition) ||
(window->size_hints.flags & USPosition))
{
meta_topic (META_DEBUG_PLACEMENT,
"Not placing window with PPosition or USPosition set");
avoid_being_obscured_as_second_modal_dialog (window, &x, &y);
goto done;
}
}
if (window->type == META_WINDOW_DIALOG ||
window->type == META_WINDOW_MODAL_DIALOG)
{
MetaWindow *parent = meta_window_get_transient_for (window);
if (parent)
{
MetaRectangle frame_rect, parent_frame_rect;
meta_window_get_frame_rect (window, &frame_rect);
meta_window_get_frame_rect (parent, &parent_frame_rect);
y = parent_frame_rect.y;
/* center of parent */
x = parent_frame_rect.x + parent_frame_rect.width / 2;
/* center of child over center of parent */
x -= frame_rect.width / 2;
/* "visually" center window over parent, leaving twice as
* much space below as on top.
*/
y += (parent_frame_rect.height - frame_rect.height)/3;
meta_topic (META_DEBUG_PLACEMENT,
"Centered window %s over transient parent",
window->desc);
avoid_being_obscured_as_second_modal_dialog (window, &x, &y);
goto done;
}
}
/* FIXME UTILITY with transient set should be stacked up
* on the sides of the parent window or something.
*/
if (window_place_centered (window))
{
/* Center on current monitor */
MetaRectangle work_area;
MetaRectangle frame_rect;
/* Warning, this function is a round trip! */
logical_monitor = meta_backend_get_current_logical_monitor (backend);
meta_window_get_work_area_for_logical_monitor (window,
logical_monitor,
&work_area);
meta_window_get_frame_rect (window, &frame_rect);
x = work_area.x + (work_area.width - frame_rect.width) / 2;
y = work_area.y + (work_area.height - frame_rect.height) / 2;
meta_topic (META_DEBUG_PLACEMENT, "Centered window %s on monitor %d",
window->desc, logical_monitor->number);
goto done_check_denied_focus;
}
/* Find windows that matter (not minimized, on same workspace
* as placed window, may be shaded - if shaded we pretend it isn't
* for placement purposes)
*/
{
GSList *all_windows;
GSList *tmp;
all_windows = meta_display_list_windows (window->display, META_LIST_DEFAULT);
tmp = all_windows;
while (tmp != NULL)
{
MetaWindow *w = tmp->data;
if (w != window &&
meta_window_showing_on_its_workspace (w) &&
(window->on_all_workspaces ||
meta_window_located_on_workspace (w, window->workspace)))
windows = g_list_prepend (windows, w);
tmp = tmp->next;
}
g_slist_free (all_windows);
}
/* Warning, on X11 this might be a round trip! */
logical_monitor = meta_backend_get_current_logical_monitor (backend);
/* Maximize windows if they are too big for their work area (bit of
* a hack here). Assume undecorated windows probably don't intend to
* be maximized.
*/
if (window->has_maximize_func && window->decorated &&
!window->fullscreen)
{
MetaRectangle workarea;
MetaRectangle frame_rect;
meta_window_get_work_area_for_logical_monitor (window,
logical_monitor,
&workarea);
meta_window_get_frame_rect (window, &frame_rect);
/* If the window is bigger than the screen, then automaximize. Do NOT
* auto-maximize the directions independently. See #419810.
*/
if (frame_rect.width >= workarea.width && frame_rect.height >= workarea.height)
{
window->maximize_horizontally_after_placement = TRUE;
window->maximize_vertically_after_placement = TRUE;
}
}
/* "Origin" placement algorithm */
x = logical_monitor->rect.x;
y = logical_monitor->rect.y;
if (find_first_fit (window, windows,
logical_monitor,
x, y, &x, &y))
goto done_check_denied_focus;
/* No good fit? Fall back to cascading... */
find_next_cascade (window, windows, x, y, &x, &y);
done_check_denied_focus:
/* If the window is being denied focus and isn't a transient of the
* focus window, we do NOT want it to overlap with the focus window
* if at all possible. This is guaranteed to only be called if the
* focus_window is non-NULL, and we try to avoid that window.
*/
if (window->denied_focus_and_not_transient)
{
MetaWindow *focus_window;
gboolean found_fit;
focus_window = window->display->focus_window;
g_assert (focus_window != NULL);
/* No need to do anything if the window doesn't overlap at all */
found_fit = !window_overlaps_focus_window (window);
/* Try to do a first fit again, this time only taking into account the
* focus window.
*/
if (!found_fit)
{
GList *focus_window_list;
focus_window_list = g_list_prepend (NULL, focus_window);
/* Reset x and y ("origin" placement algorithm) */
x = logical_monitor->rect.x;
y = logical_monitor->rect.y;
found_fit = find_first_fit (window, focus_window_list,
logical_monitor,
x, y, &x, &y);
g_list_free (focus_window_list);
}
/* If that still didn't work, just place it where we can see as much
* as possible.
*/
if (!found_fit)
find_most_freespace (window, focus_window, x, y, &x, &y);
}
done:
if (windows)
g_list_free (windows);
*new_x = x;
*new_y = y;
}
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