mutter/src/ui.c

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/* Metacity interface for talking to GTK+ UI module */
/*
* Copyright (C) 2001 Havoc Pennington
*
* 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>
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#include "ui.h"
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#include "frames.h"
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#include "util.h"
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#include "menu.h"
#include "core.h"
#include "theme.h"
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#include "inlinepixbufs.h"
#include <pango/pangox.h>
#include <string.h>
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struct _MetaUI
{
Display *xdisplay;
Screen *xscreen;
MetaFrames *frames;
};
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void
meta_ui_init (int *argc, char ***argv)
{
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if (!gtk_init_check (argc, argv))
meta_fatal ("Unable to open X display %s\n", XDisplayName (NULL));
{
/* FIXME hackaround for Pango opening a separate display
* connection and doing a server grab while we have a grab
* on the primary display connection. This forces Pango to
* go ahead and do its font cache before we try to grab
* the server.
*/
PangoFontMetrics *metrics;
PangoLanguage *lang;
PangoContext *context;
PangoFontDescription *font_desc;
context = gdk_pango_context_get ();
lang = gtk_get_default_language ();
font_desc = pango_font_description_from_string ("Sans 12");
metrics = pango_context_get_metrics (context, font_desc, lang);
pango_font_metrics_unref (metrics);
pango_font_description_free (font_desc);
}
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}
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Display*
meta_ui_get_display (const char *name)
{
if (name == NULL)
return gdk_display;
else
return NULL;
}
typedef struct _EventFunc EventFunc;
struct _EventFunc
{
MetaEventFunc func;
gpointer data;
};
static GdkFilterReturn
filter_func (GdkXEvent *xevent,
GdkEvent *event,
gpointer data)
{
EventFunc *ef;
ef = data;
if ((* ef->func) (xevent, ef->data))
return GDK_FILTER_REMOVE;
else
return GDK_FILTER_CONTINUE;
}
static EventFunc *ef = NULL;
void
meta_ui_add_event_func (Display *xdisplay,
MetaEventFunc func,
gpointer data)
{
g_return_if_fail (ef == NULL);
ef = g_new (EventFunc, 1);
ef->func = func;
ef->data = data;
gdk_window_add_filter (NULL, filter_func, ef);
}
/* removal is by data due to proxy function */
void
meta_ui_remove_event_func (Display *xdisplay,
MetaEventFunc func,
gpointer data)
{
g_return_if_fail (ef != NULL);
gdk_window_remove_filter (NULL, filter_func, ef);
g_free (ef);
ef = NULL;
}
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MetaUI*
meta_ui_new (Display *xdisplay,
Screen *screen)
{
MetaUI *ui;
ui = g_new (MetaUI, 1);
ui->xdisplay = xdisplay;
ui->xscreen = screen;
/* FIXME when gtk has multihead use it here */
ui->frames = meta_frames_new ();
gtk_widget_realize (GTK_WIDGET (ui->frames));
return ui;
}
void
meta_ui_free (MetaUI *ui)
{
gtk_widget_destroy (GTK_WIDGET (ui->frames));
g_free (ui);
}
void
meta_ui_get_frame_geometry (MetaUI *ui,
Window frame_xwindow,
int *top_height, int *bottom_height,
int *left_width, int *right_width)
{
meta_frames_get_geometry (ui->frames, frame_xwindow,
top_height, bottom_height,
left_width, right_width);
}
void
meta_ui_add_frame (MetaUI *ui,
Window xwindow)
{
meta_frames_manage_window (ui->frames, xwindow);
}
void
meta_ui_remove_frame (MetaUI *ui,
Window xwindow)
{
meta_frames_unmanage_window (ui->frames, xwindow);
}
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void
meta_ui_map_frame (MetaUI *ui,
Window xwindow)
{
GdkWindow *window;
window = gdk_xid_table_lookup (xwindow);
if (window)
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gdk_window_show_unraised (window);
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}
void
meta_ui_unmap_frame (MetaUI *ui,
Window xwindow)
{
GdkWindow *window;
window = gdk_xid_table_lookup (xwindow);
if (window)
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gdk_window_hide (window);
}
void
meta_ui_unflicker_frame_bg (MetaUI *ui,
Window xwindow,
int target_width,
int target_height)
{
meta_frames_unflicker_bg (ui->frames, xwindow,
target_width, target_height);
}
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void
meta_ui_reset_frame_bg (MetaUI *ui,
Window xwindow)
{
meta_frames_reset_bg (ui->frames, xwindow);
}
void
meta_ui_queue_frame_draw (MetaUI *ui,
Window xwindow)
{
meta_frames_queue_draw (ui->frames, xwindow);
}
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void
meta_ui_set_frame_title (MetaUI *ui,
Window xwindow,
const char *title)
{
meta_frames_set_title (ui->frames, xwindow, title);
}
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MetaWindowMenu*
meta_ui_window_menu_new (MetaUI *ui,
Window client_xwindow,
MetaMenuOp ops,
MetaMenuOp insensitive,
int active_workspace,
int n_workspaces,
MetaWindowMenuFunc func,
gpointer data)
{
return meta_window_menu_new (ui->frames,
ops, insensitive,
client_xwindow,
active_workspace,
n_workspaces,
func, data);
}
void
meta_ui_window_menu_popup (MetaWindowMenu *menu,
int root_x,
int root_y,
int button,
guint32 timestamp)
{
meta_window_menu_popup (menu, root_x, root_y, button, timestamp);
}
void
meta_ui_window_menu_free (MetaWindowMenu *menu)
{
meta_window_menu_free (menu);
}
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struct _MetaImageWindow
{
GtkWidget *window;
GdkPixmap *pixmap;
};
MetaImageWindow*
meta_image_window_new (int max_width,
int max_height)
{
MetaImageWindow *iw;
iw = g_new (MetaImageWindow, 1);
iw->window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_widget_realize (iw->window);
iw->pixmap = gdk_pixmap_new (iw->window->window,
max_width, max_height,
-1);
gtk_widget_set_size_request (iw->window, 1, 1);
gtk_widget_set_double_buffered (iw->window, FALSE);
gtk_widget_set_app_paintable (iw->window, TRUE);
return iw;
}
void
meta_image_window_free (MetaImageWindow *iw)
{
gtk_widget_destroy (iw->window);
g_object_unref (G_OBJECT (iw->pixmap));
g_free (iw);
}
void
meta_image_window_set_showing (MetaImageWindow *iw,
gboolean showing)
{
if (showing)
gtk_widget_show_all (iw->window);
else
{
gtk_widget_hide (iw->window);
meta_core_increment_event_serial (gdk_display);
}
}
void
meta_image_window_set (MetaImageWindow *iw,
GdkPixbuf *pixbuf,
int x,
int y)
{
/* We use a back pixmap to avoid having to handle exposes, because
* it's really too slow for large clients being minimized, etc.
* and this way flicker is genuinely zero.
*/
gdk_pixbuf_render_to_drawable (pixbuf,
iw->pixmap,
iw->window->style->black_gc,
0, 0,
0, 0,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
GDK_RGB_DITHER_NORMAL,
0, 0);
gdk_window_set_back_pixmap (iw->window->window,
iw->pixmap,
FALSE);
gdk_window_move_resize (iw->window->window,
x, y,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
gdk_window_clear (iw->window->window);
}
static GdkColormap*
get_cmap (GdkPixmap *pixmap)
{
GdkColormap *cmap;
cmap = gdk_drawable_get_colormap (pixmap);
if (cmap)
g_object_ref (G_OBJECT (cmap));
if (cmap == NULL)
{
if (gdk_drawable_get_depth (pixmap) == 1)
{
meta_verbose ("Using NULL colormap for snapshotting bitmap\n");
cmap = NULL;
}
else
{
meta_verbose ("Using system cmap to snapshot pixmap\n");
cmap = gdk_colormap_get_system ();
g_object_ref (G_OBJECT (cmap));
}
}
/* Be sure we aren't going to blow up due to visual mismatch */
if (cmap &&
(gdk_colormap_get_visual (cmap)->depth !=
gdk_drawable_get_depth (pixmap)))
{
cmap = NULL;
meta_verbose ("Switching back to NULL cmap because of depth mismatch\n");
}
return cmap;
}
GdkPixbuf*
meta_gdk_pixbuf_get_from_window (GdkPixbuf *dest,
Window xwindow,
int src_x,
int src_y,
int dest_x,
int dest_y,
int width,
int height)
{
GdkDrawable *drawable;
GdkPixbuf *retval;
GdkColormap *cmap;
retval = NULL;
drawable = gdk_xid_table_lookup (xwindow);
if (drawable)
g_object_ref (G_OBJECT (drawable));
else
drawable = gdk_window_foreign_new (xwindow);
cmap = get_cmap (drawable);
retval = gdk_pixbuf_get_from_drawable (dest,
drawable,
cmap,
src_x, src_y,
dest_x, dest_y,
width, height);
if (cmap)
g_object_unref (G_OBJECT (cmap));
g_object_unref (G_OBJECT (drawable));
return retval;
}
GdkPixbuf*
meta_gdk_pixbuf_get_from_pixmap (GdkPixbuf *dest,
Pixmap xpixmap,
int src_x,
int src_y,
int dest_x,
int dest_y,
int width,
int height)
{
GdkDrawable *drawable;
GdkPixbuf *retval;
GdkColormap *cmap;
retval = NULL;
drawable = gdk_xid_table_lookup (xpixmap);
if (drawable)
g_object_ref (G_OBJECT (drawable));
else
drawable = gdk_pixmap_foreign_new (xpixmap);
cmap = get_cmap (drawable);
retval = gdk_pixbuf_get_from_drawable (dest,
drawable,
cmap,
src_x, src_y,
dest_x, dest_y,
width, height);
if (cmap)
g_object_unref (G_OBJECT (cmap));
g_object_unref (G_OBJECT (drawable));
return retval;
}
void
meta_ui_push_delay_exposes (MetaUI *ui)
{
meta_frames_push_delay_exposes (ui->frames);
}
void
meta_ui_pop_delay_exposes (MetaUI *ui)
{
meta_frames_pop_delay_exposes (ui->frames);
}
#ifdef HAVE_GDK_PIXBUF_NEW_FROM_STREAM
#define gdk_pixbuf_new_from_inline gdk_pixbuf_new_from_stream
#endif
GdkPixbuf*
meta_ui_get_default_window_icon (MetaUI *ui)
{
static GdkPixbuf *default_icon = NULL;
if (default_icon == NULL)
{
GdkPixbuf *base;
base = gdk_pixbuf_new_from_inline (-1, default_icon_data,
FALSE,
NULL);
g_assert (base);
default_icon = gdk_pixbuf_scale_simple (base,
META_ICON_WIDTH,
META_ICON_HEIGHT,
GDK_INTERP_BILINEAR);
g_object_unref (G_OBJECT (base));
}
g_object_ref (G_OBJECT (default_icon));
return default_icon;
}
GdkPixbuf*
meta_ui_get_default_mini_icon (MetaUI *ui)
{
static GdkPixbuf *default_icon = NULL;
if (default_icon == NULL)
{
GdkPixbuf *base;
base = gdk_pixbuf_new_from_inline (-1, default_icon_data,
FALSE,
NULL);
g_assert (base);
default_icon = gdk_pixbuf_scale_simple (base,
META_MINI_ICON_WIDTH,
META_MINI_ICON_HEIGHT,
GDK_INTERP_BILINEAR);
g_object_unref (G_OBJECT (base));
}
g_object_ref (G_OBJECT (default_icon));
return default_icon;
}
gboolean
meta_ui_window_should_not_cause_focus (Display *xdisplay,
Window xwindow)
{
GdkWindow *window;
window = gdk_xid_table_lookup (xwindow);
/* we shouldn't cause focus if we're an override redirect
* toplevel which is not foreign
*/
if (window && gdk_window_get_type (window) == GDK_WINDOW_TEMP)
return TRUE;
else
return FALSE;
}
char*
meta_text_property_to_utf8 (Display *xdisplay,
const XTextProperty *prop)
{
char **list;
int count;
char *retval;
list = NULL;
count = gdk_text_property_to_utf8_list (gdk_x11_xatom_to_atom (prop->encoding),
prop->format,
prop->value,
prop->nitems,
&list);
if (count == 0)
return NULL;
retval = list[0];
list[0] = g_strdup (""); /* something to free */
g_strfreev (list);
return retval;
}
void
meta_ui_set_current_theme (const char *name,
gboolean force_reload)
{
meta_theme_set_current (name, force_reload);
}
gboolean
meta_ui_have_a_theme (void)
{
return meta_theme_get_current () != NULL;
}
gboolean
meta_ui_parse_accelerator (const char *accel,
unsigned int *keysym,
unsigned long *mask)
{
GdkModifierType gdk_mask = 0;
guint gdk_sym = 0;
*keysym = 0;
*mask = 0;
if (strcmp (accel, "disabled") == 0)
return TRUE;
gtk_accelerator_parse (accel, &gdk_sym, &gdk_mask);
if (gdk_sym == None)
return FALSE;
if (gdk_mask & GDK_RELEASE_MASK) /* we don't allow this */
return FALSE;
*keysym = gdk_sym;
if (gdk_mask & GDK_SHIFT_MASK)
*mask |= ShiftMask;
if (gdk_mask & GDK_LOCK_MASK)
*mask |= LockMask;
if (gdk_mask & GDK_CONTROL_MASK)
*mask |= ControlMask;
if (gdk_mask & GDK_MOD1_MASK)
*mask |= Mod1Mask;
if (gdk_mask & GDK_MOD2_MASK)
*mask |= Mod2Mask;
if (gdk_mask & GDK_MOD3_MASK)
*mask |= Mod3Mask;
if (gdk_mask & GDK_MOD4_MASK)
*mask |= Mod4Mask;
if (gdk_mask & GDK_MOD5_MASK)
*mask |= Mod5Mask;
return TRUE;
}