286 lines
8.5 KiB
C
286 lines
8.5 KiB
C
/* Metacity X window decorations */
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/*
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* Copyright (C) 2001 Havoc Pennington
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include "frame.h"
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#include "errors.h"
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#include "keybindings.h"
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#define EVENT_MASK (SubstructureRedirectMask | \
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StructureNotifyMask | SubstructureNotifyMask | \
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ExposureMask | \
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ButtonPressMask | ButtonReleaseMask | \
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PointerMotionMask | PointerMotionHintMask | \
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EnterWindowMask | LeaveWindowMask | \
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FocusChangeMask)
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void
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meta_window_ensure_frame (MetaWindow *window)
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{
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MetaFrame *frame;
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XSetWindowAttributes attrs;
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g_return_if_fail (window->display->server_grab_count > 0);
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if (window->frame)
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return;
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frame = g_new (MetaFrame, 1);
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frame->window = window;
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frame->xwindow = None;
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frame->rect = window->rect;
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frame->child_x = 0;
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frame->child_y = 0;
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frame->bottom_height = 0;
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frame->right_width = 0;
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frame->mapped = FALSE;
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attrs.event_mask = EVENT_MASK;
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frame->xwindow = XCreateWindow (window->display->xdisplay,
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window->screen->xroot,
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frame->rect.x,
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frame->rect.y,
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frame->rect.width,
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frame->rect.height,
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0,
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window->depth,
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InputOutput,
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window->xvisual,
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CWEventMask,
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&attrs);
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/* So our UI can find the window ID */
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XFlush (window->display->xdisplay);
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meta_verbose ("Frame for %s is 0x%lx\n", frame->window->desc, frame->xwindow);
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meta_display_register_x_window (window->display, &frame->xwindow, window);
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/* Reparent the client window; it may be destroyed,
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* thus the error trap. We'll get a destroy notify later
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* and free everything. Comment in FVWM source code says
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* we need a server grab or the child can get its MapNotify
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* before we've finished reparenting and getting the decoration
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* window onscreen, so ensure_frame must be called with
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* a grab.
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*/
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meta_error_trap_push (window->display);
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window->mapped = FALSE; /* the reparent will unmap the window,
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* we don't want to take that as a withdraw
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*/
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window->unmaps_pending += 1;
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window->rect.x = 0;
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window->rect.y = 0;
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XReparentWindow (window->display->xdisplay,
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window->xwindow,
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frame->xwindow,
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window->rect.x,
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window->rect.y);
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meta_error_trap_pop (window->display);
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/* stick frame to the window */
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window->frame = frame;
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meta_ui_add_frame (window->screen->ui, frame->xwindow);
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if (window->title)
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meta_ui_set_frame_title (window->screen->ui,
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window->frame->xwindow,
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window->title);
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/* Move keybindings to frame instead of window */
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meta_window_grab_keys (window);
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}
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void
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meta_window_destroy_frame (MetaWindow *window)
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{
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MetaFrame *frame;
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if (window->frame == NULL)
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return;
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frame = window->frame;
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meta_ui_remove_frame (window->screen->ui, frame->xwindow);
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/* Unparent the client window; it may be destroyed,
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* thus the error trap.
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*/
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meta_error_trap_push (window->display);
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window->mapped = FALSE; /* Keep track of unmapping it, so we
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* can identify a withdraw initiated
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* by the client.
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*/
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window->unmaps_pending += 1;
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XReparentWindow (window->display->xdisplay,
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window->xwindow,
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window->screen->xroot,
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/* FIXME where to put it back depends on the gravity */
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window->frame->rect.x,
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window->frame->rect.y);
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meta_error_trap_pop (window->display);
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meta_display_unregister_x_window (window->display,
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frame->xwindow);
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window->frame = NULL;
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/* Move keybindings to window instead of frame */
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meta_window_grab_keys (window);
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/* should we push an error trap? */
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XDestroyWindow (window->display->xdisplay, frame->xwindow);
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g_free (frame);
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/* Put our state back where it should be */
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meta_window_queue_calc_showing (window);
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}
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MetaFrameFlags
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meta_frame_get_flags (MetaFrame *frame)
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{
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MetaFrameFlags flags;
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flags = META_FRAME_ALLOWS_MENU;
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if (frame->window->has_close_func)
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flags |= META_FRAME_ALLOWS_DELETE;
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if (frame->window->has_maximize_func)
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flags |= META_FRAME_ALLOWS_MAXIMIZE;
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if (frame->window->has_minimize_func)
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flags |= META_FRAME_ALLOWS_MINIMIZE;
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if (frame->window->has_shade_func)
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flags |= META_FRAME_ALLOWS_SHADE;
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if (frame->window->has_move_func)
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flags |= META_FRAME_ALLOWS_MOVE;
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if (frame->window->has_resize_func &&
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!frame->window->maximized)
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{
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if (frame->window->size_hints.min_width <
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frame->window->size_hints.max_width)
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flags |= META_FRAME_ALLOWS_HORIZONTAL_RESIZE;
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if (frame->window->size_hints.min_height <
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frame->window->size_hints.max_height)
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flags |= META_FRAME_ALLOWS_VERTICAL_RESIZE;
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}
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if (frame->window->has_focus)
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flags |= META_FRAME_HAS_FOCUS;
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if (frame->window->shaded)
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flags |= META_FRAME_SHADED;
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if (frame->window->on_all_workspaces)
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flags |= META_FRAME_STUCK;
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if (frame->window->maximized)
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flags |= META_FRAME_MAXIMIZED;
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return flags;
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}
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void
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meta_frame_calc_geometry (MetaFrame *frame,
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MetaFrameGeometry *geomp)
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{
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MetaFrameGeometry geom;
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MetaWindow *window;
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window = frame->window;
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meta_ui_get_frame_geometry (window->screen->ui,
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frame->xwindow,
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&geom.top_height,
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&geom.bottom_height,
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&geom.left_width,
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&geom.right_width);
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*geomp = geom;
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}
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static void
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set_background_none (MetaFrame *frame)
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{
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XSetWindowAttributes attrs;
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attrs.background_pixmap = None;
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XChangeWindowAttributes (frame->window->display->xdisplay,
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frame->xwindow,
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CWBackPixmap,
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&attrs);
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}
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void
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meta_frame_sync_to_window (MetaFrame *frame,
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gboolean need_move,
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gboolean need_resize)
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{
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meta_verbose ("Syncing frame geometry %d,%d %dx%d (SE: %d,%d)\n",
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frame->rect.x, frame->rect.y,
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frame->rect.width, frame->rect.height,
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frame->rect.x + frame->rect.width,
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frame->rect.y + frame->rect.height);
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/* set bg to none to avoid flicker */
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if (need_resize)
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set_background_none (frame);
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if (need_move && need_resize)
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XMoveResizeWindow (frame->window->display->xdisplay,
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frame->xwindow,
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frame->rect.x,
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frame->rect.y,
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frame->rect.width,
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frame->rect.height);
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else if (need_move)
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XMoveWindow (frame->window->display->xdisplay,
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frame->xwindow,
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frame->rect.x,
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frame->rect.y);
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else if (need_resize)
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XResizeWindow (frame->window->display->xdisplay,
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frame->xwindow,
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frame->rect.width,
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frame->rect.height);
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if (need_resize)
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meta_ui_reset_frame_bg (frame->window->screen->ui,
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frame->xwindow);
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}
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void
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meta_frame_queue_draw (MetaFrame *frame)
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{
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meta_ui_queue_frame_draw (frame->window->screen->ui,
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frame->xwindow);
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}
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