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|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Marco X window decorations */
/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2003, 2004 Red Hat, Inc.
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <config.h>
#include "frame-private.h"
#include "bell.h"
#include "errors.h"
#include "keybindings.h"
#include "prefs.h"
#define EVENT_MASK (SubstructureRedirectMask | \
StructureNotifyMask | SubstructureNotifyMask | \
ExposureMask | \
ButtonPressMask | ButtonReleaseMask | \
PointerMotionMask | PointerMotionHintMask | \
EnterWindowMask | LeaveWindowMask | \
FocusChangeMask | \
ColormapChangeMask)
static gboolean update_shape (MetaFrame *frame);
static void
prefs_changed_callback (MetaPreference preference,
gpointer data)
{
MetaFrame *frame = (MetaFrame *) data;
switch (preference)
{
case META_PREF_COMPOSITING_MANAGER:
frame->need_reapply_frame_shape = TRUE;
update_shape (frame);
break;
default:
break;
}
}
void
meta_window_ensure_frame (MetaWindow *window)
{
MetaFrame *frame;
MetaScreen *screen;
XSetWindowAttributes attrs;
XVisualInfo visual_info;
Visual *visual;
int status;
if (window->frame)
return;
/* See comment below for why this is required. */
meta_display_grab (window->display);
frame = g_new (MetaFrame, 1);
frame->window = window;
frame->xwindow = None;
frame->rect = window->rect;
frame->child_x = 0;
frame->child_y = 0;
frame->bottom_height = 0;
frame->right_width = 0;
frame->current_cursor = 0;
frame->mapped = FALSE;
frame->need_reapply_frame_shape = TRUE;
frame->is_flashing = FALSE;
meta_verbose ("Framing window %s: visual %s default, depth %d default depth %d\n",
window->desc,
XVisualIDFromVisual (window->xvisual) ==
XVisualIDFromVisual (window->screen->default_xvisual) ?
"is" : "is not",
window->depth, window->screen->default_depth);
meta_verbose ("Frame geometry %d,%d %dx%d\n",
frame->rect.x, frame->rect.y,
frame->rect.width, frame->rect.height);
/* Default depth/visual handles clients with weird visuals; they can
* always be children of the root depth/visual obviously, but
* e.g. DRI games can't be children of a parent that has the same
* visual as the client. NULL means default visual.
*
* We look for an ARGB visual if we can find one, otherwise use
* the default of NULL.
*/
screen = meta_window_get_screen (window);
status = XMatchVisualInfo (window->display->xdisplay,
XScreenNumberOfScreen (screen->xscreen),
32, TrueColor,
&visual_info);
if (!status)
{
/* Special case for depth 32 windows (assumed to be ARGB),
* we use the window's visual. Otherwise we just use the system visual.
*/
if (window->depth == 32)
visual = window->xvisual;
else
visual = NULL;
}
else
visual = visual_info.visual;
frame->xwindow = meta_ui_create_frame_window (window->screen->ui,
window->display->xdisplay,
visual,
frame->rect.x,
frame->rect.y,
frame->rect.width,
frame->rect.height);
meta_verbose ("Frame for %s is 0x%lx\n", frame->window->desc, frame->xwindow);
attrs.event_mask = EVENT_MASK;
XChangeWindowAttributes (window->display->xdisplay,
frame->xwindow, CWEventMask, &attrs);
meta_display_register_x_window (window->display, &frame->xwindow, window);
/* Reparent the client window; it may be destroyed,
* thus the error trap. We'll get a destroy notify later
* and free everything. Comment in FVWM source code says
* we need a server grab or the child can get its MapNotify
* before we've finished reparenting and getting the decoration
* window onscreen, so ensure_frame must be called with
* a grab.
*/
meta_error_trap_push (window->display);
if (window->mapped)
{
window->mapped = FALSE; /* the reparent will unmap the window,
* we don't want to take that as a withdraw
*/
meta_topic (META_DEBUG_WINDOW_STATE,
"Incrementing unmaps_pending on %s for reparent\n", window->desc);
window->unmaps_pending += 1;
}
/* window was reparented to this position */
window->rect.x = 0;
window->rect.y = 0;
XReparentWindow (window->display->xdisplay,
window->xwindow,
frame->xwindow,
window->rect.x,
window->rect.y);
/* FIXME handle this error */
meta_error_trap_pop (window->display, FALSE);
/* stick frame to the window */
window->frame = frame;
/* Now that frame->xwindow is registered with window, we can set its
* style.
*/
meta_ui_update_frame_style (window->screen->ui, frame->xwindow);
if (window->title)
meta_ui_set_frame_title (window->screen->ui,
window->frame->xwindow,
window->title);
/* Move keybindings to frame instead of window */
meta_window_grab_keys (window);
/* Shape mask */
meta_ui_apply_frame_shape (frame->window->screen->ui,
frame->xwindow,
frame->rect.width,
frame->rect.height,
frame->window->has_shape);
frame->need_reapply_frame_shape = FALSE;
meta_display_ungrab (window->display);
meta_prefs_add_listener (prefs_changed_callback, frame);
}
void
meta_window_destroy_frame (MetaWindow *window)
{
MetaFrame *frame;
MetaFrameBorders borders;
if (window->frame == NULL)
return;
meta_verbose ("Unframing window %s\n", window->desc);
frame = window->frame;
meta_prefs_remove_listener (prefs_changed_callback, frame);
meta_frame_calc_borders (frame, &borders);
meta_bell_notify_frame_destroy (frame);
/* Unparent the client window; it may be destroyed,
* thus the error trap.
*/
meta_error_trap_push (window->display);
if (window->mapped)
{
window->mapped = FALSE; /* Keep track of unmapping it, so we
* can identify a withdraw initiated
* by the client.
*/
meta_topic (META_DEBUG_WINDOW_STATE,
"Incrementing unmaps_pending on %s for reparent back to root\n", window->desc);
window->unmaps_pending += 1;
}
XReparentWindow (window->display->xdisplay,
window->xwindow,
window->screen->xroot,
/* Using anything other than meta_window_get_position()
* coordinates here means we'll need to ensure a configure
* notify event is sent; see bug 399552.
*/
window->frame->rect.x + borders.invisible.left,
window->frame->rect.y + borders.invisible.top);
meta_error_trap_pop (window->display, FALSE);
meta_ui_destroy_frame_window (window->screen->ui, frame->xwindow);
meta_display_unregister_x_window (window->display,
frame->xwindow);
window->frame = NULL;
if (window->frame_bounds)
{
cairo_region_destroy (window->frame_bounds);
window->frame_bounds = NULL;
}
/* Move keybindings to window instead of frame */
meta_window_grab_keys (window);
g_free (frame);
/* Put our state back where it should be */
meta_window_queue (window, META_QUEUE_CALC_SHOWING);
meta_window_queue (window, META_QUEUE_MOVE_RESIZE);
}
MetaFrameFlags
meta_frame_get_flags (MetaFrame *frame)
{
MetaFrameFlags flags;
flags = 0;
if (frame->window->border_only)
{
; /* FIXME this may disable the _function_ as well as decor
* in some cases, which is sort of wrong.
*/
}
else
{
flags |= META_FRAME_ALLOWS_MENU;
if (frame->window->has_close_func)
flags |= META_FRAME_ALLOWS_DELETE;
if (frame->window->has_maximize_func)
flags |= META_FRAME_ALLOWS_MAXIMIZE;
if (frame->window->has_minimize_func)
flags |= META_FRAME_ALLOWS_MINIMIZE;
if (frame->window->has_shade_func)
flags |= META_FRAME_ALLOWS_SHADE;
}
if (META_WINDOW_ALLOWS_MOVE (frame->window))
flags |= META_FRAME_ALLOWS_MOVE;
if (META_WINDOW_ALLOWS_HORIZONTAL_RESIZE (frame->window))
flags |= META_FRAME_ALLOWS_HORIZONTAL_RESIZE;
if (META_WINDOW_ALLOWS_VERTICAL_RESIZE (frame->window))
flags |= META_FRAME_ALLOWS_VERTICAL_RESIZE;
if (meta_window_appears_focused (frame->window))
flags |= META_FRAME_HAS_FOCUS;
if (frame->window->shaded)
flags |= META_FRAME_SHADED;
if (frame->window->on_all_workspaces)
flags |= META_FRAME_STUCK;
/* FIXME: Should we have some kind of UI for windows that are just vertically
* maximized or just horizontally maximized?
*/
if (META_WINDOW_MAXIMIZED (frame->window))
flags |= META_FRAME_MAXIMIZED;
if (META_WINDOW_TILED_LEFT (frame->window))
flags |= META_FRAME_TILED_LEFT;
if (META_WINDOW_TILED_RIGHT (frame->window))
flags |= META_FRAME_TILED_RIGHT;
if (frame->window->fullscreen)
flags |= META_FRAME_FULLSCREEN;
if (frame->is_flashing)
flags |= META_FRAME_IS_FLASHING;
if (frame->window->wm_state_above)
flags |= META_FRAME_ABOVE;
return flags;
}
void
meta_frame_borders_clear (MetaFrameBorders *self)
{
self->visible.top = self->invisible.top = self->total.top = 0;
self->visible.bottom = self->invisible.bottom = self->total.bottom = 0;
self->visible.left = self->invisible.left = self->total.left = 0;
self->visible.right = self->invisible.right = self->total.right = 0;
}
void
meta_frame_calc_borders (MetaFrame *frame,
MetaFrameBorders *borders)
{
meta_ui_get_frame_borders (frame->window->screen->ui,
frame->xwindow,
borders);
}
static gboolean
update_shape (MetaFrame *frame)
{
if (frame->need_reapply_frame_shape)
{
meta_ui_apply_frame_shape (frame->window->screen->ui,
frame->xwindow,
frame->rect.width,
frame->rect.height,
frame->window->has_shape);
frame->need_reapply_frame_shape = FALSE;
return TRUE;
}
else
return FALSE;
}
void
meta_frame_get_corner_radiuses (MetaFrame *frame,
float *top_left,
float *top_right,
float *bottom_left,
float *bottom_right)
{
meta_ui_get_corner_radiuses (frame->window->screen->ui,
frame->xwindow,
top_left, top_right,
bottom_left, bottom_right);
}
gboolean
meta_frame_sync_to_window (MetaFrame *frame,
int resize_gravity,
gboolean need_move,
gboolean need_resize)
{
if (!(need_move || need_resize))
{
return update_shape (frame);
}
meta_topic (META_DEBUG_GEOMETRY,
"Syncing frame geometry %d,%d %dx%d (SE: %d,%d)\n",
frame->rect.x, frame->rect.y,
frame->rect.width, frame->rect.height,
frame->rect.x + frame->rect.width,
frame->rect.y + frame->rect.height);
/* set bg to none to avoid flicker */
if (need_resize)
{
/* we need new shape if we're resized */
frame->need_reapply_frame_shape = TRUE;
}
/* Done before the window resize, because doing it before means
* part of the window being resized becomes unshaped, which may
* be sort of hard to see with bg = None. If we did it after
* window resize, part of the window being resized would become
* shaped, which might be more visible.
*/
update_shape (frame);
meta_ui_move_resize_frame (frame->window->screen->ui,
frame->xwindow,
frame->rect.x,
frame->rect.y,
frame->rect.width,
frame->rect.height);
if (need_resize)
{
/* If we're interactively resizing the frame, repaint
* it immediately so we don't start to lag.
*/
if (frame->window->display->grab_window ==
frame->window)
meta_ui_repaint_frame (frame->window->screen->ui,
frame->xwindow);
}
return need_resize;
}
cairo_region_t *
meta_frame_get_frame_bounds (MetaFrame *frame)
{
return meta_ui_get_frame_bounds (frame->window->screen->ui,
frame->xwindow,
frame->rect.width,
frame->rect.height);
}
void
meta_frame_queue_draw (MetaFrame *frame)
{
meta_ui_queue_frame_draw (frame->window->screen->ui,
frame->xwindow);
}
void
meta_frame_set_screen_cursor (MetaFrame *frame,
MetaCursor cursor)
{
Cursor xcursor;
if (cursor == frame->current_cursor)
return;
frame->current_cursor = cursor;
if (cursor == META_CURSOR_DEFAULT)
XUndefineCursor (frame->window->display->xdisplay, frame->xwindow);
else
{
xcursor = meta_display_create_x_cursor (frame->window->display, cursor);
XDefineCursor (frame->window->display->xdisplay, frame->xwindow, xcursor);
XFlush (frame->window->display->xdisplay);
XFreeCursor (frame->window->display->xdisplay, xcursor);
}
}
Window
meta_frame_get_xwindow (MetaFrame *frame)
{
return frame->xwindow;
}
|