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mutter/src/frames.c
Soeren Sandmann 947e45d27d Add a cache of pixmaps for recently exposed frame areas. Makes metacity a 
Sun Jun 26 11:19:18 2005  Soeren Sandmann  <sandmann@redhat.com>

	* src/frames.c: Add a cache of pixmaps for recently exposed frame
	areas. Makes metacity a bit faster when dragging windows around.
	See bug 141813.
2005-06-26 21:58:37 +00:00

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/* Metacity window frame manager widget */
/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2003 Red Hat, Inc.
*
* 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 "frames.h"
#include "util.h"
#include "core.h"
#include "menu.h"
#include "fixedtip.h"
#include "theme.h"
#include "prefs.h"
#ifdef HAVE_SHAPE
#include <X11/extensions/shape.h>
#endif
#define DEFAULT_INNER_BUTTON_BORDER 3
static void meta_frames_class_init (MetaFramesClass *klass);
static void meta_frames_init (MetaFrames *frames);
static void meta_frames_destroy (GtkObject *object);
static void meta_frames_finalize (GObject *object);
static void meta_frames_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static void meta_frames_realize (GtkWidget *widget);
static void meta_frames_unrealize (GtkWidget *widget);
static gboolean meta_frames_button_press_event (GtkWidget *widget,
GdkEventButton *event);
static gboolean meta_frames_button_release_event (GtkWidget *widget,
GdkEventButton *event);
static gboolean meta_frames_motion_notify_event (GtkWidget *widget,
GdkEventMotion *event);
static gboolean meta_frames_destroy_event (GtkWidget *widget,
GdkEventAny *event);
static gboolean meta_frames_expose_event (GtkWidget *widget,
GdkEventExpose *event);
static gboolean meta_frames_enter_notify_event (GtkWidget *widget,
GdkEventCrossing *event);
static gboolean meta_frames_leave_notify_event (GtkWidget *widget,
GdkEventCrossing *event);
static void meta_frames_paint_to_drawable (MetaFrames *frames,
MetaUIFrame *frame,
GdkDrawable *drawable,
GdkRegion *region,
int x_offset,
int y_offset);
static void meta_frames_set_window_background (MetaFrames *frames,
MetaUIFrame *frame);
static void meta_frames_calc_geometry (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameGeometry *fgeom);
static void meta_frames_ensure_layout (MetaFrames *frames,
MetaUIFrame *frame);
static MetaUIFrame* meta_frames_lookup_window (MetaFrames *frames,
Window xwindow);
static void meta_frames_font_changed (MetaFrames *frames);
static void meta_frames_button_layout_changed (MetaFrames *frames);
static GdkRectangle* control_rect (MetaFrameControl control,
MetaFrameGeometry *fgeom);
static MetaFrameControl get_control (MetaFrames *frames,
MetaUIFrame *frame,
int x,
int y);
static void clear_tip (MetaFrames *frames);
static void invalidate_all_caches (MetaFrames *frames);
static void invalidate_whole_window (MetaFrames *frames,
MetaUIFrame *frame);
static GtkWidgetClass *parent_class = NULL;
GtkType
meta_frames_get_type (void)
{
static GtkType frames_type = 0;
if (!frames_type)
{
static const GtkTypeInfo frames_info =
{
"MetaFrames",
sizeof (MetaFrames),
sizeof (MetaFramesClass),
(GtkClassInitFunc) meta_frames_class_init,
(GtkObjectInitFunc) meta_frames_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
frames_type = gtk_type_unique (GTK_TYPE_WINDOW, &frames_info);
}
return frames_type;
}
static void
meta_frames_class_init (MetaFramesClass *class)
{
GObjectClass *gobject_class;
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
gobject_class = G_OBJECT_CLASS (class);
object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
parent_class = g_type_class_peek_parent (class);
gobject_class->finalize = meta_frames_finalize;
object_class->destroy = meta_frames_destroy;
widget_class->style_set = meta_frames_style_set;
widget_class->realize = meta_frames_realize;
widget_class->unrealize = meta_frames_unrealize;
widget_class->expose_event = meta_frames_expose_event;
widget_class->destroy_event = meta_frames_destroy_event;
widget_class->button_press_event = meta_frames_button_press_event;
widget_class->button_release_event = meta_frames_button_release_event;
widget_class->motion_notify_event = meta_frames_motion_notify_event;
widget_class->enter_notify_event = meta_frames_enter_notify_event;
widget_class->leave_notify_event = meta_frames_leave_notify_event;
}
static gint
unsigned_long_equal (gconstpointer v1,
gconstpointer v2)
{
return *((const gulong*) v1) == *((const gulong*) v2);
}
static guint
unsigned_long_hash (gconstpointer v)
{
gulong val = * (const gulong *) v;
/* I'm not sure this works so well. */
#if GLIB_SIZEOF_LONG > 4
return (guint) (val ^ (val >> 32));
#else
return val;
#endif
}
static void
prefs_changed_callback (MetaPreference pref,
void *data)
{
switch (pref)
{
case META_PREF_TITLEBAR_FONT:
meta_frames_font_changed (META_FRAMES (data));
break;
case META_PREF_BUTTON_LAYOUT:
meta_frames_button_layout_changed (META_FRAMES (data));
break;
default:
break;
}
}
static void
meta_frames_init (MetaFrames *frames)
{
GTK_WINDOW (frames)->type = GTK_WINDOW_POPUP;
frames->text_heights = g_hash_table_new (NULL, NULL);
frames->frames = g_hash_table_new (unsigned_long_hash, unsigned_long_equal);
frames->tooltip_timeout = 0;
frames->expose_delay_count = 0;
frames->invalidate_cache_timeout_id = 0;
frames->invalidate_frames = NULL;
frames->cache = g_hash_table_new (g_direct_hash, g_direct_equal);
gtk_widget_set_double_buffered (GTK_WIDGET (frames), FALSE);
meta_prefs_add_listener (prefs_changed_callback, frames);
}
static void
listify_func (gpointer key, gpointer value, gpointer data)
{
GSList **listp;
listp = data;
*listp = g_slist_prepend (*listp, value);
}
static void
meta_frames_destroy (GtkObject *object)
{
GSList *winlist;
GSList *tmp;
MetaFrames *frames;
frames = META_FRAMES (object);
clear_tip (frames);
winlist = NULL;
g_hash_table_foreach (frames->frames,
listify_func,
&winlist);
/* Unmanage all frames */
tmp = winlist;
while (tmp != NULL)
{
MetaUIFrame *frame;
frame = tmp->data;
meta_frames_unmanage_window (frames, frame->xwindow);
tmp = tmp->next;
}
g_slist_free (winlist);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
meta_frames_finalize (GObject *object)
{
MetaFrames *frames;
frames = META_FRAMES (object);
meta_prefs_remove_listener (prefs_changed_callback, frames);
g_hash_table_destroy (frames->text_heights);
invalidate_all_caches (frames);
if (frames->invalidate_cache_timeout_id)
g_source_remove (frames->invalidate_cache_timeout_id);
g_assert (g_hash_table_size (frames->frames) == 0);
g_hash_table_destroy (frames->frames);
g_hash_table_destroy (frames->cache);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
typedef struct
{
GdkPixmap *top;
gint top_x, top_y;
GdkPixmap *left;
gint left_x, left_y;
GdkPixmap *right;
gint right_y, right_x;
GdkPixmap *bottom;
gint bottom_x, bottom_y;
} CachedPixels;
static CachedPixels *
get_cache (MetaFrames *frames,
MetaUIFrame *frame)
{
CachedPixels *pixels;
pixels = g_hash_table_lookup (frames->cache, frame);
if (!pixels)
{
pixels = g_new0 (CachedPixels, 1);
g_hash_table_insert (frames->cache, frame, pixels);
}
return pixels;
}
static void
invalidate_cache (MetaFrames *frames,
MetaUIFrame *frame)
{
CachedPixels *pixels = get_cache (frames, frame);
if (pixels->top)
g_object_unref (pixels->top);
if (pixels->left)
g_object_unref (pixels->left);
if (pixels->right)
g_object_unref (pixels->right);
if (pixels->bottom)
g_object_unref (pixels->bottom);
pixels->top = NULL;
pixels->bottom = NULL;
pixels->right = NULL;
pixels->left = NULL;
g_hash_table_remove (frames->cache, frame);
}
static void
invalidate_all_caches (MetaFrames *frames)
{
GList *l;
for (l = frames->invalidate_frames; l; l = l->next)
{
MetaUIFrame *frame = l->data;
invalidate_cache (frames, frame);
}
g_list_free (frames->invalidate_frames);
frames->invalidate_frames = NULL;
}
static gboolean
invalidate_cache_timeout (gpointer data)
{
MetaFrames *frames = data;
invalidate_all_caches (frames);
frames->invalidate_cache_timeout_id = 0;
return FALSE;
}
static void
queue_recalc_func (gpointer key, gpointer value, gpointer data)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (data);
frame = value;
/* If a resize occurs it will cause a redraw, but the
* resize may not actually be needed so we always redraw
* in case of color change.
*/
meta_frames_set_window_background (frames, frame);
invalidate_whole_window (frames, frame);
meta_core_queue_frame_resize (gdk_display,
frame->xwindow);
if (frame->layout)
{
/* save title to recreate layout */
g_free (frame->title);
frame->title = g_strdup (pango_layout_get_text (frame->layout));
g_object_unref (G_OBJECT (frame->layout));
frame->layout = NULL;
}
}
static void
meta_frames_font_changed (MetaFrames *frames)
{
if (g_hash_table_size (frames->text_heights) > 0)
{
g_hash_table_destroy (frames->text_heights);
frames->text_heights = g_hash_table_new (NULL, NULL);
}
/* Queue a draw/resize on all frames */
g_hash_table_foreach (frames->frames,
queue_recalc_func, frames);
}
static void
queue_draw_func (gpointer key, gpointer value, gpointer data)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (data);
frame = value;
/* If a resize occurs it will cause a redraw, but the
* resize may not actually be needed so we always redraw
* in case of color change.
*/
meta_frames_set_window_background (frames, frame);
invalidate_whole_window (frames, frame);
}
static void
meta_frames_button_layout_changed (MetaFrames *frames)
{
g_hash_table_foreach (frames->frames,
queue_draw_func, frames);
}
static void
meta_frames_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
MetaFrames *frames;
frames = META_FRAMES (widget);
meta_frames_font_changed (frames);
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
}
static void
meta_frames_ensure_layout (MetaFrames *frames,
MetaUIFrame *frame)
{
GtkWidget *widget;
MetaFrameFlags flags;
MetaFrameType type;
MetaFrameStyle *style;
g_return_if_fail (GTK_WIDGET_REALIZED (frames));
widget = GTK_WIDGET (frames);
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
type = meta_core_get_frame_type (gdk_display, frame->xwindow);
style = meta_theme_get_frame_style (meta_theme_get_current (),
type, flags);
if (style != frame->cache_style)
{
if (frame->layout)
{
/* save title to recreate layout */
g_free (frame->title);
frame->title = g_strdup (pango_layout_get_text (frame->layout));
g_object_unref (G_OBJECT (frame->layout));
frame->layout = NULL;
}
}
frame->cache_style = style;
if (frame->layout == NULL)
{
gpointer key, value;
PangoFontDescription *font_desc;
double scale;
int size;
scale = meta_theme_get_title_scale (meta_theme_get_current (),
type,
flags);
frame->layout = gtk_widget_create_pango_layout (widget, frame->title);
font_desc = meta_gtk_widget_get_font_desc (widget, scale,
meta_prefs_get_titlebar_font ());
size = pango_font_description_get_size (font_desc);
if (g_hash_table_lookup_extended (frames->text_heights,
GINT_TO_POINTER (size),
&key, &value))
{
frame->text_height = GPOINTER_TO_INT (value);
}
else
{
frame->text_height =
meta_pango_font_desc_get_text_height (font_desc,
gtk_widget_get_pango_context (widget));
g_hash_table_replace (frames->text_heights,
GINT_TO_POINTER (size),
GINT_TO_POINTER (frame->text_height));
}
pango_layout_set_font_description (frame->layout,
font_desc);
pango_font_description_free (font_desc);
/* Save some RAM */
g_free (frame->title);
frame->title = NULL;
}
}
static void
meta_frames_calc_geometry (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameGeometry *fgeom)
{
int width, height;
MetaFrameFlags flags;
MetaFrameType type;
MetaButtonLayout button_layout;
meta_core_get_client_size (gdk_display, frame->xwindow,
&width, &height);
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
type = meta_core_get_frame_type (gdk_display, frame->xwindow);
meta_frames_ensure_layout (frames, frame);
meta_prefs_get_button_layout (&button_layout);
meta_theme_calc_geometry (meta_theme_get_current (),
type,
frame->text_height,
flags,
width, height,
&button_layout,
fgeom);
}
MetaFrames*
meta_frames_new (int screen_number)
{
GdkScreen *screen;
screen = gdk_display_get_screen (gdk_display_get_default (),
screen_number);
return g_object_new (META_TYPE_FRAMES,
"screen", screen,
NULL);
}
void
meta_frames_manage_window (MetaFrames *frames,
Window xwindow,
GdkWindow *window)
{
MetaUIFrame *frame;
g_assert (window);
frame = g_new (MetaUIFrame, 1);
frame->window = window;
gdk_window_set_user_data (frame->window, frames);
/* Set the window background to the current style */
meta_frames_set_window_background (frames, frame);
/* Don't set event mask here, it's in frame.c */
frame->xwindow = xwindow;
frame->cache_style = NULL;
frame->layout = NULL;
frame->text_height = -1;
frame->title = NULL;
frame->expose_delayed = FALSE;
frame->shape_applied = FALSE;
frame->prelit_control = META_FRAME_CONTROL_NONE;
meta_core_grab_buttons (gdk_display, frame->xwindow);
g_hash_table_replace (frames->frames, &frame->xwindow, frame);
}
void
meta_frames_unmanage_window (MetaFrames *frames,
Window xwindow)
{
MetaUIFrame *frame;
clear_tip (frames);
frame = g_hash_table_lookup (frames->frames, &xwindow);
if (frame)
{
/* invalidating all caches ensures the frame
* is not actually referenced anymore
*/
invalidate_all_caches (frames);
/* restore the cursor */
meta_core_set_screen_cursor (gdk_display,
frame->xwindow,
META_CURSOR_DEFAULT);
gdk_window_set_user_data (frame->window, NULL);
if (frames->last_motion_frame == frame)
frames->last_motion_frame = NULL;
g_hash_table_remove (frames->frames, &frame->xwindow);
gdk_window_destroy (frame->window);
if (frame->layout)
g_object_unref (G_OBJECT (frame->layout));
if (frame->title)
g_free (frame->title);
g_free (frame);
}
else
meta_warning ("Frame 0x%lx not managed, can't unmanage\n", xwindow);
}
static void
meta_frames_realize (GtkWidget *widget)
{
MetaFrames *frames;
frames = META_FRAMES (widget);
if (GTK_WIDGET_CLASS (parent_class)->realize)
GTK_WIDGET_CLASS (parent_class)->realize (widget);
}
static void
meta_frames_unrealize (GtkWidget *widget)
{
MetaFrames *frames;
frames = META_FRAMES (widget);
if (GTK_WIDGET_CLASS (parent_class)->unrealize)
GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
}
static MetaUIFrame*
meta_frames_lookup_window (MetaFrames *frames,
Window xwindow)
{
MetaUIFrame *frame;
frame = g_hash_table_lookup (frames->frames, &xwindow);
return frame;
}
void
meta_frames_get_geometry (MetaFrames *frames,
Window xwindow,
int *top_height, int *bottom_height,
int *left_width, int *right_width)
{
MetaFrameFlags flags;
MetaUIFrame *frame;
MetaFrameType type;
frame = meta_frames_lookup_window (frames, xwindow);
if (frame == NULL)
meta_bug ("No such frame 0x%lx\n", xwindow);
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
type = meta_core_get_frame_type (gdk_display, frame->xwindow);
g_return_if_fail (type < META_FRAME_TYPE_LAST);
meta_frames_ensure_layout (frames, frame);
/* We can't get the full geometry, because that depends on
* the client window size and probably we're being called
* by the core move/resize code to decide on the client
* window size
*/
meta_theme_get_frame_borders (meta_theme_get_current (),
type,
frame->text_height,
flags,
top_height, bottom_height,
left_width, right_width);
}
void
meta_frames_reset_bg (MetaFrames *frames,
Window xwindow)
{
GtkWidget *widget;
MetaUIFrame *frame;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
meta_frames_set_window_background (frames, frame);
}
static void
set_background_none (Display *xdisplay,
Window xwindow)
{
XSetWindowAttributes attrs;
attrs.background_pixmap = None;
XChangeWindowAttributes (xdisplay, xwindow,
CWBackPixmap, &attrs);
}
void
meta_frames_unflicker_bg (MetaFrames *frames,
Window xwindow,
int target_width,
int target_height)
{
GtkWidget *widget;
MetaUIFrame *frame;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
g_return_if_fail (frame != NULL);
#if 0
pixmap = gdk_pixmap_new (frame->window,
width, height,
-1);
/* Oops, no way to get the background here */
meta_frames_paint_to_drawable (frames, frame, pixmap);
#endif
set_background_none (gdk_display, frame->xwindow);
}
void
meta_frames_apply_shapes (MetaFrames *frames,
Window xwindow,
int new_window_width,
int new_window_height,
gboolean window_has_shape)
{
#ifdef HAVE_SHAPE
/* Apply shapes as if window had new_window_width, new_window_height */
GtkWidget *widget;
MetaUIFrame *frame;
MetaFrameGeometry fgeom;
XRectangle xrect;
Region corners_xregion;
Region window_xregion;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
g_return_if_fail (frame != NULL);
meta_frames_calc_geometry (frames, frame, &fgeom);
if (!(fgeom.top_left_corner_rounded ||
fgeom.top_right_corner_rounded ||
fgeom.bottom_left_corner_rounded ||
fgeom.bottom_right_corner_rounded ||
window_has_shape))
{
if (frame->shape_applied)
{
meta_topic (META_DEBUG_SHAPES,
"Unsetting shape mask on frame 0x%lx\n",
frame->xwindow);
XShapeCombineMask (gdk_display, frame->xwindow,
ShapeBounding, 0, 0, None, ShapeSet);
frame->shape_applied = FALSE;
}
else
{
meta_topic (META_DEBUG_SHAPES,
"Frame 0x%lx still doesn't need a shape mask\n",
frame->xwindow);
}
return; /* nothing to do */
}
corners_xregion = XCreateRegion ();
if (fgeom.top_left_corner_rounded)
{
xrect.x = 0;
xrect.y = 0;
xrect.width = 5;
xrect.height = 1;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = 1;
xrect.width = 3;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = 2;
xrect.width = 2;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = 3;
xrect.width = 1;
xrect.height = 2;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
}
if (fgeom.top_right_corner_rounded)
{
xrect.x = new_window_width - 5;
xrect.y = 0;
xrect.width = 5;
xrect.height = 1;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = 1;
xrect.x = new_window_width - 3;
xrect.width = 3;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = 2;
xrect.x = new_window_width - 2;
xrect.width = 2;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = 3;
xrect.x = new_window_width - 1;
xrect.width = 1;
xrect.height = 2;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
}
if (fgeom.bottom_left_corner_rounded)
{
xrect.x = 0;
xrect.y = new_window_height - 1;
xrect.width = 5;
xrect.height = 1;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = new_window_height - 2;
xrect.width = 3;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = new_window_height - 3;
xrect.width = 2;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = new_window_height - 5;
xrect.width = 1;
xrect.height = 2;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
}
if (fgeom.bottom_right_corner_rounded)
{
xrect.x = new_window_width - 5;
xrect.y = new_window_height - 1;
xrect.width = 5;
xrect.height = 1;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = new_window_height - 2;
xrect.x = new_window_width - 3;
xrect.width = 3;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = new_window_height - 3;
xrect.x = new_window_width - 2;
xrect.width = 2;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
xrect.y = new_window_height - 5;
xrect.x = new_window_width - 1;
xrect.width = 1;
xrect.height = 2;
XUnionRectWithRegion (&xrect, corners_xregion, corners_xregion);
}
window_xregion = XCreateRegion ();
xrect.x = 0;
xrect.y = 0;
xrect.width = new_window_width;
xrect.height = new_window_height;
XUnionRectWithRegion (&xrect, window_xregion, window_xregion);
XSubtractRegion (window_xregion, corners_xregion, window_xregion);
XDestroyRegion (corners_xregion);
if (window_has_shape)
{
/* The client window is oclock or something and has a shape
* mask. To avoid a round trip to get its shape region, we
* create a fake window that's never mapped, build up our shape
* on that, then combine. Wasting the window is assumed cheaper
* than a round trip, but who really knows for sure.
*/
XSetWindowAttributes attrs;
Window shape_window;
Window client_window;
Region client_xregion;
GdkScreen *screen;
int screen_number;
meta_topic (META_DEBUG_SHAPES,
"Frame 0x%lx needs to incorporate client shape\n",
frame->xwindow);
screen = gtk_widget_get_screen (GTK_WIDGET (frames));
screen_number = gdk_x11_screen_get_screen_number (screen);
attrs.override_redirect = True;
shape_window = XCreateWindow (gdk_display,
RootWindow (gdk_display, screen_number),
-5000, -5000,
new_window_width,
new_window_height,
0,
CopyFromParent,
CopyFromParent,
(Visual *)CopyFromParent,
CWOverrideRedirect,
&attrs);
/* Copy the client's shape to the temporary shape_window */
client_window = meta_core_get_client_xwindow (gdk_display,
frame->xwindow);
XShapeCombineShape (gdk_display, shape_window, ShapeBounding,
fgeom.left_width,
fgeom.top_height,
client_window,
ShapeBounding,
ShapeSet);
/* Punch the client area out of the normal frame shape,
* then union it with the shape_window's existing shape
*/
client_xregion = XCreateRegion ();
xrect.x = fgeom.left_width;
xrect.y = fgeom.top_height;
xrect.width = new_window_width - fgeom.right_width - xrect.x;
xrect.height = new_window_height - fgeom.bottom_height - xrect.y;
XUnionRectWithRegion (&xrect, client_xregion, client_xregion);
XSubtractRegion (window_xregion, client_xregion, window_xregion);
XDestroyRegion (client_xregion);
XShapeCombineRegion (gdk_display, shape_window,
ShapeBounding, 0, 0, window_xregion, ShapeUnion);
/* Now copy shape_window shape to the real frame */
XShapeCombineShape (gdk_display, frame->xwindow, ShapeBounding,
0, 0,
shape_window,
ShapeBounding,
ShapeSet);
XDestroyWindow (gdk_display, shape_window);
}
else
{
/* No shape on the client, so just do simple stuff */
meta_topic (META_DEBUG_SHAPES,
"Frame 0x%lx has shaped corners\n",
frame->xwindow);
XShapeCombineRegion (gdk_display, frame->xwindow,
ShapeBounding, 0, 0, window_xregion, ShapeSet);
}
frame->shape_applied = TRUE;
XDestroyRegion (window_xregion);
#endif /* HAVE_SHAPE */
}
void
meta_frames_move_resize_frame (MetaFrames *frames,
Window xwindow,
int x,
int y,
int width,
int height)
{
MetaUIFrame *frame = meta_frames_lookup_window (frames, xwindow);
int old_x, old_y, old_width, old_height;
gdk_drawable_get_size (frame->window, &old_width, &old_height);
gdk_window_get_position (frame->window, &old_x, &old_y);
gdk_window_move_resize (frame->window, x, y, width, height);
if (old_width != width || old_height != height)
invalidate_whole_window (frames, frame);
}
void
meta_frames_queue_draw (MetaFrames *frames,
Window xwindow)
{
GtkWidget *widget;
MetaUIFrame *frame;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
invalidate_whole_window (frames, frame);
}
void
meta_frames_set_title (MetaFrames *frames,
Window xwindow,
const char *title)
{
GtkWidget *widget;
MetaUIFrame *frame;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
g_assert (frame);
g_free (frame->title);
frame->title = g_strdup (title);
if (frame->layout)
{
g_object_unref (frame->layout);
frame->layout = NULL;
}
invalidate_whole_window (frames, frame);
}
void
meta_frames_repaint_frame (MetaFrames *frames,
Window xwindow)
{
GtkWidget *widget;
MetaUIFrame *frame;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
g_assert (frame);
/* repaint everything, so the other frame don't
* lag behind if they are exposed
*/
gdk_window_process_all_updates ();
}
static void
show_tip_now (MetaFrames *frames)
{
const char *tiptext;
MetaUIFrame *frame;
int x, y, root_x, root_y;
Window root, child;
guint mask;
MetaFrameControl control;
frame = frames->last_motion_frame;
if (frame == NULL)
return;
XQueryPointer (gdk_display,
frame->xwindow,
&root, &child,
&root_x, &root_y,
&x, &y,
&mask);
control = get_control (frames, frame, x, y);
tiptext = NULL;
switch (control)
{
case META_FRAME_CONTROL_TITLE:
break;
case META_FRAME_CONTROL_DELETE:
tiptext = _("Close Window");
break;
case META_FRAME_CONTROL_MENU:
tiptext = _("Window Menu");
break;
case META_FRAME_CONTROL_MINIMIZE:
tiptext = _("Minimize Window");
break;
case META_FRAME_CONTROL_MAXIMIZE:
tiptext = _("Maximize Window");
break;
case META_FRAME_CONTROL_UNMAXIMIZE:
tiptext = _("Unmaximize Window");
break;
case META_FRAME_CONTROL_RESIZE_SE:
break;
case META_FRAME_CONTROL_RESIZE_S:
break;
case META_FRAME_CONTROL_RESIZE_SW:
break;
case META_FRAME_CONTROL_RESIZE_N:
break;
case META_FRAME_CONTROL_RESIZE_NE:
break;
case META_FRAME_CONTROL_RESIZE_NW:
break;
case META_FRAME_CONTROL_RESIZE_W:
break;
case META_FRAME_CONTROL_RESIZE_E:
break;
case META_FRAME_CONTROL_NONE:
break;
case META_FRAME_CONTROL_CLIENT_AREA:
break;
}
if (tiptext)
{
MetaFrameGeometry fgeom;
GdkRectangle *rect;
int dx, dy;
int screen_number;
meta_frames_calc_geometry (frames, frame, &fgeom);
rect = control_rect (control, &fgeom);
/* get conversion delta for root-to-frame coords */
dx = root_x - x;
dy = root_y - y;
screen_number = gdk_screen_get_number (gtk_widget_get_screen (GTK_WIDGET (frames)));
meta_fixed_tip_show (gdk_display,
screen_number,
rect->x + dx,
rect->y + rect->height + 2 + dy,
tiptext);
}
}
static gboolean
tip_timeout_func (gpointer data)
{
MetaFrames *frames;
frames = data;
show_tip_now (frames);
return FALSE;
}
#define TIP_DELAY 450
static void
queue_tip (MetaFrames *frames)
{
clear_tip (frames);
frames->tooltip_timeout = g_timeout_add (TIP_DELAY,
tip_timeout_func,
frames);
}
static void
clear_tip (MetaFrames *frames)
{
if (frames->tooltip_timeout)
{
g_source_remove (frames->tooltip_timeout);
frames->tooltip_timeout = 0;
}
meta_fixed_tip_hide ();
}
static void
redraw_control (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameControl control)
{
MetaFrameGeometry fgeom;
GdkRectangle *rect;
meta_frames_calc_geometry (frames, frame, &fgeom);
rect = control_rect (control, &fgeom);
gdk_window_invalidate_rect (frame->window, rect, FALSE);
invalidate_cache (frames, frame);
}
static gboolean
point_in_control (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameControl control,
int x, int y)
{
return control == get_control (frames, frame, x, y);
}
static gboolean
meta_frames_button_press_event (GtkWidget *widget,
GdkEventButton *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
MetaFrameControl control;
frames = META_FRAMES (widget);
/* Remember that the display may have already done something with this event.
* If so there's probably a GrabOp in effect.
*/
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
clear_tip (frames);
control = get_control (frames, frame, event->x, event->y);
/* raise/focus on click, even if click was on client area */
if (event->button == 1 &&
!(control == META_FRAME_CONTROL_MINIMIZE ||
control == META_FRAME_CONTROL_DELETE))
{
meta_core_user_raise (gdk_display,
frame->xwindow);
meta_topic (META_DEBUG_FOCUS,
"Focusing window with frame 0x%lx due to button 1 press\n",
frame->xwindow);
meta_core_user_focus (gdk_display,
frame->xwindow,
event->time);
}
/* don't do the rest of this if on client area */
if (control == META_FRAME_CONTROL_CLIENT_AREA)
return FALSE; /* not on the frame, just passed through from client */
/* We want to shade even if we have a GrabOp, since we'll have a move grab
* if we double click the titlebar.
*/
if (control == META_FRAME_CONTROL_TITLE &&
event->button == 1 &&
event->type == GDK_2BUTTON_PRESS)
{
MetaFrameFlags flags;
switch (meta_prefs_get_action_double_click_titlebar ())
{
case META_ACTION_DOUBLE_CLICK_TITLEBAR_TOGGLE_SHADE:
{
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
if (flags & META_FRAME_ALLOWS_SHADE)
{
if (flags & META_FRAME_SHADED)
meta_core_unshade (gdk_display,
frame->xwindow);
else
meta_core_shade (gdk_display,
frame->xwindow);
}
}
break;
case META_ACTION_DOUBLE_CLICK_TITLEBAR_TOGGLE_MAXIMIZE:
{
MetaFrameFlags flags;
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
if (flags & META_FRAME_ALLOWS_MAXIMIZE)
{
meta_core_toggle_maximize (gdk_display, frame->xwindow);
}
}
break;
case META_ACTION_DOUBLE_CLICK_TITLEBAR_LAST:
break;
}
return TRUE;
}
if (meta_core_get_grab_op (gdk_display) !=
META_GRAB_OP_NONE)
return FALSE; /* already up to something */
if (event->button == 1 &&
(control == META_FRAME_CONTROL_MAXIMIZE ||
control == META_FRAME_CONTROL_UNMAXIMIZE ||
control == META_FRAME_CONTROL_MINIMIZE ||
control == META_FRAME_CONTROL_DELETE ||
control == META_FRAME_CONTROL_MENU))
{
MetaGrabOp op = META_GRAB_OP_NONE;
switch (control)
{
case META_FRAME_CONTROL_MINIMIZE:
op = META_GRAB_OP_CLICKING_MINIMIZE;
break;
case META_FRAME_CONTROL_MAXIMIZE:
op = META_GRAB_OP_CLICKING_MAXIMIZE;
break;
case META_FRAME_CONTROL_UNMAXIMIZE:
op = META_GRAB_OP_CLICKING_UNMAXIMIZE;
break;
case META_FRAME_CONTROL_DELETE:
op = META_GRAB_OP_CLICKING_DELETE;
break;
case META_FRAME_CONTROL_MENU:
op = META_GRAB_OP_CLICKING_MENU;
break;
default:
g_assert_not_reached ();
break;
}
meta_core_begin_grab_op (gdk_display,
frame->xwindow,
op,
TRUE,
meta_ui_get_last_event_serial (gdk_display),
event->button,
0,
event->time,
event->x_root,
event->y_root);
redraw_control (frames, frame, control);
if (op == META_GRAB_OP_CLICKING_MENU)
{
MetaFrameGeometry fgeom;
GdkRectangle *rect;
int dx, dy;
meta_frames_calc_geometry (frames, frame, &fgeom);
rect = control_rect (META_FRAME_CONTROL_MENU, &fgeom);
/* get delta to convert to root coords */
dx = event->x_root - event->x;
dy = event->y_root - event->y;
meta_core_show_window_menu (gdk_display,
frame->xwindow,
rect->x + dx,
rect->y + rect->height + dy,
event->button,
event->time);
}
}
else if (event->button == 1 &&
(control == META_FRAME_CONTROL_RESIZE_SE ||
control == META_FRAME_CONTROL_RESIZE_S ||
control == META_FRAME_CONTROL_RESIZE_SW ||
control == META_FRAME_CONTROL_RESIZE_NE ||
control == META_FRAME_CONTROL_RESIZE_N ||
control == META_FRAME_CONTROL_RESIZE_NW ||
control == META_FRAME_CONTROL_RESIZE_E ||
control == META_FRAME_CONTROL_RESIZE_W))
{
MetaGrabOp op;
op = META_GRAB_OP_NONE;
switch (control)
{
case META_FRAME_CONTROL_RESIZE_SE:
op = META_GRAB_OP_RESIZING_SE;
break;
case META_FRAME_CONTROL_RESIZE_S:
op = META_GRAB_OP_RESIZING_S;
break;
case META_FRAME_CONTROL_RESIZE_SW:
op = META_GRAB_OP_RESIZING_SW;
break;
case META_FRAME_CONTROL_RESIZE_NE:
op = META_GRAB_OP_RESIZING_NE;
break;
case META_FRAME_CONTROL_RESIZE_N:
op = META_GRAB_OP_RESIZING_N;
break;
case META_FRAME_CONTROL_RESIZE_NW:
op = META_GRAB_OP_RESIZING_NW;
break;
case META_FRAME_CONTROL_RESIZE_E:
op = META_GRAB_OP_RESIZING_E;
break;
case META_FRAME_CONTROL_RESIZE_W:
op = META_GRAB_OP_RESIZING_W;
break;
default:
g_assert_not_reached ();
break;
}
meta_core_begin_grab_op (gdk_display,
frame->xwindow,
op,
TRUE,
meta_ui_get_last_event_serial (gdk_display),
event->button,
0,
event->time,
event->x_root,
event->y_root);
}
else if (control == META_FRAME_CONTROL_TITLE &&
event->button == 1)
{
MetaFrameFlags flags;
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
if (flags & META_FRAME_ALLOWS_MOVE)
{
meta_core_begin_grab_op (gdk_display,
frame->xwindow,
META_GRAB_OP_MOVING,
TRUE,
meta_ui_get_last_event_serial (gdk_display),
event->button,
0,
event->time,
event->x_root,
event->y_root);
}
}
else if (event->button == 2)
{
meta_core_user_lower_and_unfocus (gdk_display,
frame->xwindow,
event->time);
}
else if (event->button == 3)
{
meta_core_show_window_menu (gdk_display,
frame->xwindow,
event->x_root,
event->y_root,
event->button,
event->time);
}
return TRUE;
}
void
meta_frames_notify_menu_hide (MetaFrames *frames)
{
if (meta_core_get_grab_op (gdk_display) ==
META_GRAB_OP_CLICKING_MENU)
{
Window grab_frame;
grab_frame = meta_core_get_grab_frame (gdk_display);
if (grab_frame != None)
{
MetaUIFrame *frame;
frame = meta_frames_lookup_window (frames, grab_frame);
if (frame)
{
redraw_control (frames, frame,
META_FRAME_CONTROL_MENU);
meta_core_end_grab_op (gdk_display, CurrentTime);
}
}
}
}
static gboolean
meta_frames_button_release_event (GtkWidget *widget,
GdkEventButton *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
MetaGrabOp op;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
clear_tip (frames);
op = meta_core_get_grab_op (gdk_display);
if (op == META_GRAB_OP_NONE)
return FALSE;
/* We only handle the releases we handled the presses for (things
* involving frame controls). Window ops that don't require a
* frame are handled in the Xlib part of the code, display.c/window.c
*/
if (frame->xwindow == meta_core_get_grab_frame (gdk_display) &&
((int) event->button) == meta_core_get_grab_button (gdk_display))
{
gboolean end_grab;
end_grab = FALSE;
switch (op)
{
case META_GRAB_OP_CLICKING_MINIMIZE:
if (point_in_control (frames, frame,
META_FRAME_CONTROL_MINIMIZE,
event->x, event->y))
meta_core_minimize (gdk_display, frame->xwindow);
redraw_control (frames, frame,
META_FRAME_CONTROL_MINIMIZE);
end_grab = TRUE;
break;
case META_GRAB_OP_CLICKING_MAXIMIZE:
if (point_in_control (frames, frame,
META_FRAME_CONTROL_MAXIMIZE,
event->x, event->y))
meta_core_maximize (gdk_display, frame->xwindow);
redraw_control (frames, frame,
META_FRAME_CONTROL_MAXIMIZE);
end_grab = TRUE;
break;
case META_GRAB_OP_CLICKING_UNMAXIMIZE:
if (point_in_control (frames, frame,
META_FRAME_CONTROL_UNMAXIMIZE,
event->x, event->y))
meta_core_unmaximize (gdk_display, frame->xwindow);
redraw_control (frames, frame,
META_FRAME_CONTROL_MAXIMIZE);
end_grab = TRUE;
break;
case META_GRAB_OP_CLICKING_DELETE:
if (point_in_control (frames, frame,
META_FRAME_CONTROL_DELETE,
event->x, event->y))
meta_core_delete (gdk_display, frame->xwindow, event->time);
redraw_control (frames, frame,
META_FRAME_CONTROL_DELETE);
end_grab = TRUE;
break;
case META_GRAB_OP_CLICKING_MENU:
redraw_control (frames, frame,
META_FRAME_CONTROL_MENU);
end_grab = TRUE;
break;
default:
break;
}
if (end_grab)
meta_core_end_grab_op (gdk_display, event->time);
}
return TRUE;
}
static void
meta_frames_update_prelit_control (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameControl control)
{
MetaFrameControl old_control;
MetaCursor cursor;
meta_verbose ("Updating prelit control from %d to %d\n",
frame->prelit_control, control);
cursor = META_CURSOR_DEFAULT;
switch (control)
{
case META_FRAME_CONTROL_CLIENT_AREA:
break;
case META_FRAME_CONTROL_NONE:
break;
case META_FRAME_CONTROL_TITLE:
break;
case META_FRAME_CONTROL_DELETE:
break;
case META_FRAME_CONTROL_MENU:
break;
case META_FRAME_CONTROL_MINIMIZE:
break;
case META_FRAME_CONTROL_MAXIMIZE:
break;
case META_FRAME_CONTROL_UNMAXIMIZE:
break;
case META_FRAME_CONTROL_RESIZE_SE:
cursor = META_CURSOR_SE_RESIZE;
break;
case META_FRAME_CONTROL_RESIZE_S:
cursor = META_CURSOR_SOUTH_RESIZE;
break;
case META_FRAME_CONTROL_RESIZE_SW:
cursor = META_CURSOR_SW_RESIZE;
break;
case META_FRAME_CONTROL_RESIZE_N:
cursor = META_CURSOR_NORTH_RESIZE;
break;
case META_FRAME_CONTROL_RESIZE_NE:
cursor = META_CURSOR_NE_RESIZE;
break;
case META_FRAME_CONTROL_RESIZE_NW:
cursor = META_CURSOR_NW_RESIZE;
break;
case META_FRAME_CONTROL_RESIZE_W:
cursor = META_CURSOR_WEST_RESIZE;
break;
case META_FRAME_CONTROL_RESIZE_E:
cursor = META_CURSOR_EAST_RESIZE;
break;
}
/* set/unset the prelight cursor */
meta_core_set_screen_cursor (gdk_display,
frame->xwindow,
cursor);
switch (control)
{
case META_FRAME_CONTROL_MENU:
case META_FRAME_CONTROL_MINIMIZE:
case META_FRAME_CONTROL_MAXIMIZE:
case META_FRAME_CONTROL_DELETE:
case META_FRAME_CONTROL_UNMAXIMIZE:
/* leave control set */
break;
default:
/* Only prelight buttons */
control = META_FRAME_CONTROL_NONE;
break;
}
if (control == frame->prelit_control)
return;
/* Save the old control so we can unprelight it */
old_control = frame->prelit_control;
frame->prelit_control = control;
redraw_control (frames, frame, old_control);
redraw_control (frames, frame, control);
}
static gboolean
meta_frames_motion_notify_event (GtkWidget *widget,
GdkEventMotion *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
MetaGrabOp grab_op;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
clear_tip (frames);
frames->last_motion_frame = frame;
grab_op = meta_core_get_grab_op (gdk_display);
switch (grab_op)
{
case META_GRAB_OP_CLICKING_MENU:
case META_GRAB_OP_CLICKING_DELETE:
case META_GRAB_OP_CLICKING_MINIMIZE:
case META_GRAB_OP_CLICKING_MAXIMIZE:
case META_GRAB_OP_CLICKING_UNMAXIMIZE:
{
MetaFrameControl control;
int x, y;
gdk_window_get_pointer (frame->window, &x, &y, NULL);
/* Control is set to none unless it matches
* the current grab
*/
control = get_control (frames, frame, x, y);
if (! ((control == META_FRAME_CONTROL_MENU &&
grab_op == META_GRAB_OP_CLICKING_MENU) ||
(control == META_FRAME_CONTROL_DELETE &&
grab_op == META_GRAB_OP_CLICKING_DELETE) ||
(control == META_FRAME_CONTROL_MINIMIZE &&
grab_op == META_GRAB_OP_CLICKING_MINIMIZE) ||
(control == META_FRAME_CONTROL_MAXIMIZE &&
(grab_op == META_GRAB_OP_CLICKING_MAXIMIZE ||
grab_op == META_GRAB_OP_CLICKING_UNMAXIMIZE))))
control = META_FRAME_CONTROL_NONE;
/* Update prelit control and cursor */
meta_frames_update_prelit_control (frames, frame, control);
/* No tooltip while in the process of clicking */
}
break;
case META_GRAB_OP_NONE:
{
MetaFrameControl control;
int x, y;
gdk_window_get_pointer (frame->window, &x, &y, NULL);
control = get_control (frames, frame, x, y);
/* Update prelit control and cursor */
meta_frames_update_prelit_control (frames, frame, control);
queue_tip (frames);
}
break;
default:
break;
}
return TRUE;
}
static gboolean
meta_frames_destroy_event (GtkWidget *widget,
GdkEventAny *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
/* Cut and paste from GDK */
static GdkGC *
get_bg_gc (GdkWindow *window, int x_offset, int y_offset)
{
GdkWindowObject *private = (GdkWindowObject *)window;
guint gc_mask = 0;
GdkGCValues gc_values;
if (private->bg_pixmap == GDK_PARENT_RELATIVE_BG && private->parent)
{
return get_bg_gc (GDK_WINDOW (private->parent),
x_offset + private->x,
y_offset + private->y);
}
else if (private->bg_pixmap &&
private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
private->bg_pixmap != GDK_NO_BG)
{
gc_values.fill = GDK_TILED;
gc_values.tile = private->bg_pixmap;
gc_values.ts_x_origin = x_offset;
gc_values.ts_y_origin = y_offset;
gc_mask = GDK_GC_FILL | GDK_GC_TILE | GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN;
return gdk_gc_new_with_values (window, &gc_values, gc_mask);
}
else
{
GdkGC *gc = gdk_gc_new (window);
gdk_gc_set_foreground (gc, &(private->bg_color));
return gc;
}
}
static void
clear_backing (GdkPixmap *pixmap,
GdkWindow *window,
int xoffset, int yoffset)
{
GdkGC *tmp_gc = get_bg_gc (window, xoffset, yoffset);
gdk_draw_rectangle (pixmap, tmp_gc, TRUE,
0, 0, -1, -1);
g_object_unref (tmp_gc);
}
static GdkPixmap *
generate_pixmap (MetaFrames *frames,
MetaUIFrame *frame,
int x,
int y,
int width,
int height)
{
GdkRectangle rectangle;
GdkRegion *region;
GdkPixmap *result;
rectangle.x = x;
rectangle.y = y;
rectangle.width = MAX (width, 1);
rectangle.height = MAX (height, 1);
result = gdk_pixmap_new (frame->window, rectangle.width, rectangle.height, -1);
clear_backing (result, frame->window, rectangle.x, rectangle.y);
region = gdk_region_rectangle (&rectangle);
meta_frames_paint_to_drawable (frames, frame, result, region,
- rectangle.x, - rectangle.y);
gdk_region_destroy (region);
return result;
}
static void
populate_cache (MetaFrames *frames,
MetaUIFrame *frame)
{
int top, bottom, left, right;
int width, height;
int frame_width, frame_height, screen_width, screen_height;
CachedPixels *pixels;
meta_core_get_frame_extents (gdk_display,
frame->xwindow,
NULL, NULL,
&frame_width, &frame_height);
meta_core_get_screen_size (gdk_display,
frame->xwindow,
&screen_width, &screen_height);
/* don't cache extremely large windows */
if (frame_width > 2 * screen_width ||
frame_height > 2 * screen_height)
{
return;
}
meta_theme_get_frame_borders (meta_theme_get_current (),
meta_core_get_frame_type (gdk_display, frame->xwindow),
frame->text_height,
meta_core_get_frame_flags (gdk_display, frame->xwindow),
&top, &bottom, &left, &right);
meta_core_get_client_size (gdk_display, frame->xwindow, &width, &height);
pixels = get_cache (frames, frame);
if (!pixels->top)
{
pixels->top = generate_pixmap (frames, frame,
0, 0, left + width + height, top);
pixels->top_x = 0;
pixels->top_y = 0;
}
if (!pixels->left)
{
pixels->left = generate_pixmap (frames, frame,
0, top, left, height);
pixels->left_x = 0;
pixels->left_y = top;
}
if (!pixels->right)
{
pixels->right = generate_pixmap (frames, frame,
left + width, top, right, height);
pixels->right_x = left + width;
pixels->right_y = top;
}
if (!pixels->bottom)
{
pixels->bottom = generate_pixmap (frames, frame,
0, top + height, left + width + height, bottom);
pixels->bottom_x = 0;
pixels->bottom_y = top + height;
}
if (frames->invalidate_cache_timeout_id)
g_source_remove (frames->invalidate_cache_timeout_id);
frames->invalidate_cache_timeout_id = g_timeout_add (1000, invalidate_cache_timeout, frames);
if (!g_list_find (frames->invalidate_frames, frame))
frames->invalidate_frames =
g_list_prepend (frames->invalidate_frames, frame);
}
static void
clip_to_screen (GdkRegion *region, MetaUIFrame *frame)
{
GdkRectangle frame_area;
GdkRectangle screen_area = { 0, 0, 0, 0 };
GdkRegion *tmp_region;
/* Chop off stuff outside the screen; this optimization
* is crucial to handle huge client windows,
* like "xterm -geometry 1000x1000"
*/
meta_core_get_frame_extents (gdk_display,
frame->xwindow,
&frame_area.x, &frame_area.y,
&frame_area.width, &frame_area.height);
meta_core_get_screen_size (gdk_display,
frame->xwindow,
&screen_area.width, &screen_area.height);
gdk_region_offset (region, frame_area.x, frame_area.y);
tmp_region = gdk_region_rectangle (&frame_area);
gdk_region_intersect (region, tmp_region);
gdk_region_destroy (tmp_region);
gdk_region_offset (region, - frame_area.x, - frame_area.y);
}
static void
subtract_from_region (GdkRegion *region, GdkDrawable *drawable,
gint x, gint y)
{
GdkRectangle rect;
GdkRegion *reg_rect;
gdk_drawable_get_size (drawable, &rect.width, &rect.height);
rect.x = x;
rect.y = y;
reg_rect = gdk_region_rectangle (&rect);
gdk_region_subtract (region, reg_rect);
gdk_region_destroy (reg_rect);
}
static gboolean
meta_frames_expose_event (GtkWidget *widget,
GdkEventExpose *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
GdkGC *gc;
GdkRegion *region;
CachedPixels *pixels;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
if (frames->expose_delay_count > 0)
{
/* Redraw this entire frame later */
frame->expose_delayed = TRUE;
return TRUE;
}
populate_cache (frames, frame);
region = gdk_region_copy (event->region);
gc = gdk_gc_new (frame->window);
pixels = get_cache (frames, frame);
if (pixels->top)
{
gdk_draw_drawable (frame->window, gc, pixels->top,
0, 0,
pixels->top_x, pixels->top_y,
-1, -1);
subtract_from_region (region, pixels->top, pixels->top_x, pixels->top_y);
}
if (pixels->left)
{
gdk_draw_drawable (frame->window, gc, pixels->left,
0, 0,
pixels->left_x, pixels->left_y,
-1, -1);
subtract_from_region (region, pixels->left, pixels->left_x, pixels->left_y);
}
if (pixels->right)
{
gdk_draw_drawable (frame->window, gc, pixels->right,
0, 0,
pixels->right_x, pixels->right_y,
-1, -1);
subtract_from_region (region, pixels->right, pixels->right_x, pixels->right_y);
}
if (pixels->bottom)
{
gdk_draw_drawable (frame->window, gc, pixels->bottom,
0, 0,
pixels->bottom_x, pixels->bottom_y,
-1, -1);
subtract_from_region (region, pixels->bottom, pixels->bottom_x, pixels->bottom_y);
}
clip_to_screen (region, frame);
meta_frames_paint_to_drawable (frames, frame,
frame->window, region, 0, 0);
g_object_unref (gc);
gdk_region_destroy (region);
return TRUE;
}
static void
meta_frames_paint_to_drawable (MetaFrames *frames,
MetaUIFrame *frame,
GdkDrawable *drawable,
GdkRegion *region,
int x_offset,
int y_offset)
{
GtkWidget *widget;
MetaFrameFlags flags;
MetaFrameType type;
GdkPixbuf *mini_icon;
GdkPixbuf *icon;
int w, h;
MetaButtonState button_states[META_BUTTON_TYPE_LAST];
Window grab_frame;
int i;
int top, bottom, left, right;
GdkRegion *edges;
GdkRegion *tmp_region;
GdkRectangle area;
GdkRectangle *areas;
int n_areas;
MetaButtonLayout button_layout;
MetaGrabOp grab_op;
widget = GTK_WIDGET (frames);
i = 0;
while (i < META_BUTTON_TYPE_LAST)
{
button_states[i] = META_BUTTON_STATE_NORMAL;
++i;
}
grab_frame = meta_core_get_grab_frame (gdk_display);
grab_op = meta_core_get_grab_op (gdk_display);
if (grab_frame != frame->xwindow)
grab_op = META_GRAB_OP_NONE;
/* Set prelight state */
switch (frame->prelit_control)
{
case META_FRAME_CONTROL_MENU:
if (grab_op == META_GRAB_OP_CLICKING_MENU)
button_states[META_BUTTON_TYPE_MENU] = META_BUTTON_STATE_PRESSED;
else
button_states[META_BUTTON_TYPE_MENU] = META_BUTTON_STATE_PRELIGHT;
break;
case META_FRAME_CONTROL_MINIMIZE:
if (grab_op == META_GRAB_OP_CLICKING_MINIMIZE)
button_states[META_BUTTON_TYPE_MINIMIZE] = META_BUTTON_STATE_PRESSED;
else
button_states[META_BUTTON_TYPE_MINIMIZE] = META_BUTTON_STATE_PRELIGHT;
break;
case META_FRAME_CONTROL_MAXIMIZE:
if (grab_op == META_GRAB_OP_CLICKING_MAXIMIZE)
button_states[META_BUTTON_TYPE_MAXIMIZE] = META_BUTTON_STATE_PRESSED;
else
button_states[META_BUTTON_TYPE_MAXIMIZE] = META_BUTTON_STATE_PRELIGHT;
break;
case META_FRAME_CONTROL_UNMAXIMIZE:
if (grab_op == META_GRAB_OP_CLICKING_UNMAXIMIZE)
button_states[META_BUTTON_TYPE_MAXIMIZE] = META_BUTTON_STATE_PRESSED;
else
button_states[META_BUTTON_TYPE_MAXIMIZE] = META_BUTTON_STATE_PRELIGHT;
break;
case META_FRAME_CONTROL_DELETE:
if (grab_op == META_GRAB_OP_CLICKING_DELETE)
button_states[META_BUTTON_TYPE_CLOSE] = META_BUTTON_STATE_PRESSED;
else
button_states[META_BUTTON_TYPE_CLOSE] = META_BUTTON_STATE_PRELIGHT;
break;
default:
break;
}
/* Map button function states to button position states */
button_states[META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND] =
button_states[META_BUTTON_TYPE_MENU];
button_states[META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND] =
META_BUTTON_STATE_NORMAL;
button_states[META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND] =
META_BUTTON_STATE_NORMAL;
button_states[META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND] =
button_states[META_BUTTON_TYPE_MINIMIZE];
button_states[META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND] =
button_states[META_BUTTON_TYPE_MAXIMIZE];
button_states[META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND] =
button_states[META_BUTTON_TYPE_CLOSE];
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
type = meta_core_get_frame_type (gdk_display, frame->xwindow);
mini_icon = meta_core_get_mini_icon (gdk_display, frame->xwindow);
icon = meta_core_get_icon (gdk_display, frame->xwindow);
meta_core_get_client_size (gdk_display, frame->xwindow,
&w, &h);
meta_frames_ensure_layout (frames, frame);
meta_theme_get_frame_borders (meta_theme_get_current (),
type, frame->text_height, flags,
&top, &bottom, &left, &right);
/* Repaint each side of the frame */
edges = gdk_region_copy (region);
/* Punch out the client area */
area.x = left;
area.y = top;
area.width = w;
area.height = h;
tmp_region = gdk_region_rectangle (&area);
gdk_region_subtract (edges, tmp_region);
gdk_region_destroy (tmp_region);
/* Now draw remaining portion of region */
gdk_region_get_rectangles (edges, &areas, &n_areas);
meta_prefs_get_button_layout (&button_layout);
i = 0;
while (i < n_areas)
{
if (GDK_IS_WINDOW (drawable))
gdk_window_begin_paint_rect (drawable, &areas[i]);
meta_theme_draw_frame (meta_theme_get_current (),
widget,
drawable,
NULL, /* &areas[i], */
x_offset, y_offset,
type,
flags,
w, h,
frame->layout,
frame->text_height,
&button_layout,
button_states,
mini_icon, icon);
if (GDK_IS_WINDOW (drawable))
gdk_window_end_paint (drawable);
++i;
}
gdk_region_destroy (edges);
g_free (areas);
}
static void
meta_frames_set_window_background (MetaFrames *frames,
MetaUIFrame *frame)
{
gtk_style_set_background (GTK_WIDGET (frames)->style,
frame->window, GTK_STATE_NORMAL);
#if 0
/* This is what we want for transparent background */
{
col.pixel = 0;
gdk_window_set_background (window, &col);
}
#endif
}
static gboolean
meta_frames_enter_notify_event (GtkWidget *widget,
GdkEventCrossing *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
MetaFrameControl control;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
control = get_control (frames, frame, event->x, event->y);
meta_frames_update_prelit_control (frames, frame, control);
return TRUE;
}
static gboolean
meta_frames_leave_notify_event (GtkWidget *widget,
GdkEventCrossing *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
meta_frames_update_prelit_control (frames, frame, META_FRAME_CONTROL_NONE);
clear_tip (frames);
return TRUE;
}
static GdkRectangle*
control_rect (MetaFrameControl control,
MetaFrameGeometry *fgeom)
{
GdkRectangle *rect;
rect = NULL;
switch (control)
{
case META_FRAME_CONTROL_TITLE:
rect = &fgeom->title_rect;
break;
case META_FRAME_CONTROL_DELETE:
rect = &fgeom->close_rect;
break;
case META_FRAME_CONTROL_MENU:
rect = &fgeom->menu_rect;
break;
case META_FRAME_CONTROL_MINIMIZE:
rect = &fgeom->min_rect;
break;
case META_FRAME_CONTROL_MAXIMIZE:
case META_FRAME_CONTROL_UNMAXIMIZE:
rect = &fgeom->max_rect;
break;
case META_FRAME_CONTROL_RESIZE_SE:
break;
case META_FRAME_CONTROL_RESIZE_S:
break;
case META_FRAME_CONTROL_RESIZE_SW:
break;
case META_FRAME_CONTROL_RESIZE_N:
break;
case META_FRAME_CONTROL_RESIZE_NE:
break;
case META_FRAME_CONTROL_RESIZE_NW:
break;
case META_FRAME_CONTROL_RESIZE_W:
break;
case META_FRAME_CONTROL_RESIZE_E:
break;
case META_FRAME_CONTROL_NONE:
break;
case META_FRAME_CONTROL_CLIENT_AREA:
break;
}
return rect;
}
#define RESIZE_EXTENDS 15
#define TOP_RESIZE_HEIGHT 2
static MetaFrameControl
get_control (MetaFrames *frames,
MetaUIFrame *frame,
int x, int y)
{
MetaFrameGeometry fgeom;
MetaFrameFlags flags;
gboolean has_vert, has_horiz;
GdkRectangle client;
int bottom_of_titlebar;
meta_frames_calc_geometry (frames, frame, &fgeom);
client.x = fgeom.left_width;
client.y = fgeom.top_height;
client.width = fgeom.width - fgeom.left_width - fgeom.right_width;
client.height = fgeom.height - fgeom.top_height - fgeom.bottom_height;
bottom_of_titlebar = fgeom.title_rect.y + fgeom.title_rect.height;
if (POINT_IN_RECT (x, y, client))
return META_FRAME_CONTROL_CLIENT_AREA;
if (POINT_IN_RECT (x, y, fgeom.close_rect))
return META_FRAME_CONTROL_DELETE;
if (POINT_IN_RECT (x, y, fgeom.min_rect))
return META_FRAME_CONTROL_MINIMIZE;
if (POINT_IN_RECT (x, y, fgeom.menu_rect))
return META_FRAME_CONTROL_MENU;
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
has_vert = (flags & META_FRAME_ALLOWS_VERTICAL_RESIZE) != 0;
has_horiz = (flags & META_FRAME_ALLOWS_HORIZONTAL_RESIZE) != 0;
if (POINT_IN_RECT (x, y, fgeom.title_rect))
{
if (has_vert && y <= TOP_RESIZE_HEIGHT)
return META_FRAME_CONTROL_RESIZE_N;
else
return META_FRAME_CONTROL_TITLE;
}
if (POINT_IN_RECT (x, y, fgeom.max_rect))
{
if (flags & META_FRAME_MAXIMIZED)
return META_FRAME_CONTROL_UNMAXIMIZE;
else
return META_FRAME_CONTROL_MAXIMIZE;
}
/* South resize always has priority over north resize,
* in case of overlap.
*/
if (y >= (fgeom.height - fgeom.bottom_height - RESIZE_EXTENDS) &&
x >= (fgeom.width - fgeom.right_width - RESIZE_EXTENDS))
{
if (has_vert && has_horiz)
return META_FRAME_CONTROL_RESIZE_SE;
else if (has_vert)
return META_FRAME_CONTROL_RESIZE_S;
else if (has_horiz)
return META_FRAME_CONTROL_RESIZE_E;
}
else if (y >= (fgeom.height - fgeom.bottom_height - RESIZE_EXTENDS) &&
x <= (fgeom.left_width + RESIZE_EXTENDS))
{
if (has_vert && has_horiz)
return META_FRAME_CONTROL_RESIZE_SW;
else if (has_vert)
return META_FRAME_CONTROL_RESIZE_S;
else if (has_horiz)
return META_FRAME_CONTROL_RESIZE_W;
}
else if (y < (fgeom.top_height + RESIZE_EXTENDS) &&
x < RESIZE_EXTENDS)
{
if (has_vert && has_horiz)
return META_FRAME_CONTROL_RESIZE_NW;
else if (has_vert)
return META_FRAME_CONTROL_RESIZE_N;
else if (has_horiz)
return META_FRAME_CONTROL_RESIZE_W;
}
else if (y < (fgeom.top_height + RESIZE_EXTENDS) &&
x >= (fgeom.width - RESIZE_EXTENDS))
{
if (has_vert && has_horiz)
return META_FRAME_CONTROL_RESIZE_NE;
else if (has_vert)
return META_FRAME_CONTROL_RESIZE_N;
else if (has_horiz)
return META_FRAME_CONTROL_RESIZE_E;
}
else if (y >= (fgeom.height - fgeom.bottom_height - RESIZE_EXTENDS))
{
if (has_vert)
return META_FRAME_CONTROL_RESIZE_S;
}
else if (y <= TOP_RESIZE_HEIGHT)
{
if (has_vert)
return META_FRAME_CONTROL_RESIZE_N;
else if (has_horiz)
return META_FRAME_CONTROL_TITLE;
}
else if (x <= fgeom.left_width)
{
if (has_horiz)
return META_FRAME_CONTROL_RESIZE_W;
}
else if (x >= (fgeom.width - fgeom.right_width))
{
if (has_horiz)
return META_FRAME_CONTROL_RESIZE_E;
}
if (y >= bottom_of_titlebar)
return META_FRAME_CONTROL_NONE;
else
return META_FRAME_CONTROL_TITLE;
}
void
meta_frames_push_delay_exposes (MetaFrames *frames)
{
if (frames->expose_delay_count == 0)
{
/* Make sure we've repainted things */
gdk_window_process_all_updates ();
XFlush (gdk_display);
}
frames->expose_delay_count += 1;
}
static void
queue_pending_exposes_func (gpointer key, gpointer value, gpointer data)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (data);
frame = value;
if (frame->expose_delayed)
{
invalidate_whole_window (frames, frame);
frame->expose_delayed = FALSE;
}
}
void
meta_frames_pop_delay_exposes (MetaFrames *frames)
{
g_return_if_fail (frames->expose_delay_count > 0);
frames->expose_delay_count -= 1;
if (frames->expose_delay_count == 0)
{
g_hash_table_foreach (frames->frames,
queue_pending_exposes_func,
frames);
}
}
static void
invalidate_whole_window (MetaFrames *frames,
MetaUIFrame *frame)
{
gdk_window_invalidate_rect (frame->window, NULL, FALSE);
invalidate_cache (frames, frame);
}
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