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half-ass implementation of getting pixmap icons (WM_NORMAL_HINTS and

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2001-08-22  Havoc Pennington  <hp@pobox.com>

	* src/window.c (update_icon): half-ass implementation of
	getting pixmap icons (WM_NORMAL_HINTS and KWM_WIN_ICON).
	Ignores mask for now, with possibly ugly results for
	some apps.
	(read_rgb_icon): fixage
This commit is contained in:
Havoc Pennington 2001-08-22 06:01:01 +00:00 committed by Havoc Pennington
parent f562e65d5f
commit e51c12d1cd
5 changed files with 209 additions and 37 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2001-08-22 Havoc Pennington <hp@pobox.com>
* src/window.c (update_icon): half-ass implementation of
getting pixmap icons (WM_NORMAL_HINTS and KWM_WIN_ICON).
Ignores mask for now, with possibly ugly results for
some apps.
(read_rgb_icon): fixage
2001-08-19 Havoc Pennington <hp@pobox.com>
* src/window.c: add a "fullscreen" semantic type; if a window

4
src/display.c
View File

@ -133,7 +133,8 @@ meta_display_open (const char *name)
"_NET_WM_ICON",
"_NET_WM_ICON_GEOMETRY",
"UTF8_STRING",
"WM_ICON_SIZE"
"WM_ICON_SIZE",
"_KWM_WIN_ICON"
};
Atom atoms[G_N_ELEMENTS(atom_names)];
@ -218,6 +219,7 @@ meta_display_open (const char *name)
display->atom_net_wm_icon_geometry = atoms[38];
display->atom_utf8_string = atoms[39];
display->atom_wm_icon_size = atoms[40];
display->atom_kwm_win_icon = atoms[41];
/* Offscreen unmapped window used for _NET_SUPPORTING_WM_CHECK,
* created in screen_new

1
src/display.h
View File

@ -98,6 +98,7 @@ struct _MetaDisplay
Atom atom_net_wm_icon_geometry;
Atom atom_utf8_string;
Atom atom_wm_icon_size;
Atom atom_kwm_win_icon;
/* This is the actual window from focus events,
* not the one we last set

221
src/window.c
View File

@ -61,6 +61,7 @@ static int update_initial_workspace (MetaWindow *window);
static int update_icon_name (MetaWindow *window);
static int update_icon (MetaWindow *window,
gboolean reread_rgb_icon);
static int update_kwm_icon (MetaWindow *window);
static void recalc_window_type (MetaWindow *window);
static void recalc_window_features (MetaWindow *window);
static int set_wm_state (MetaWindow *window,
@ -319,6 +320,9 @@ meta_window_new (MetaDisplay *display, Window xwindow,
window->icon_pixmap = None;
window->icon_mask = None;
window->kwm_pixmap = None;
window->kwm_mask = None;
window->using_rgb_icon = FALSE;
window->type = META_WINDOW_NORMAL;
@ -342,7 +346,8 @@ meta_window_new (MetaDisplay *display, Window xwindow,
update_net_wm_type (window);
update_initial_workspace (window);
update_icon_name (window);
/* should come after wm_hints */
update_kwm_icon (window);
/* should come after wm_hints and kwm_icon updates */
update_icon (window, TRUE);
if (!window->mapped &&
@ -2335,6 +2340,7 @@ process_property_notify (MetaWindow *window,
meta_verbose ("Property notify on %s for WM_HINTS\n", window->desc);
update_wm_hints (window);
update_icon (window, FALSE);
meta_window_queue_move_resize (window);
}
@ -2400,6 +2406,12 @@ process_property_notify (MetaWindow *window,
meta_verbose ("Property notify on %s for NET_WM_ICON\n", window->desc);
update_icon (window, TRUE);
}
else if (event->atom == window->display->atom_kwm_win_icon)
{
meta_verbose ("Property notify on %s for KWM_WIN_ICON\n", window->desc);
update_kwm_icon (window);
update_icon (window, FALSE);
}
return TRUE;
}
@ -2786,9 +2798,9 @@ update_wm_hints (MetaWindow *window)
update_icon (window, FALSE);
}
meta_verbose ("Read WM_HINTS input: %d iconic: %d group leader: 0x%ld\n",
meta_verbose ("Read WM_HINTS input: %d iconic: %d group leader: 0x%lx icon: 0x%lx\n",
window->input, window->initially_iconic,
window->xgroup_leader);
window->xgroup_leader, window->icon_pixmap);
XFree (hints);
}
@ -3522,7 +3534,7 @@ update_icon_name (MetaWindow *window)
static gboolean
find_best_size (gulong *data,
gulong nitems,
int nitems,
int *width,
int *height,
gulong **start)
@ -3531,6 +3543,10 @@ find_best_size (gulong *data,
int best_h;
gulong *best_start;
*width = 0;
*height = 0;
*start = NULL;
best_w = 0;
best_h = 0;
best_start = NULL;
@ -3540,6 +3556,8 @@ find_best_size (gulong *data,
int w, h;
gboolean replace;
meta_debug_spew ("n_items = %d\n", nitems);
replace = FALSE;
if (nitems < 3)
@ -3551,10 +3569,12 @@ find_best_size (gulong *data,
w = data[0];
h = data[1];
meta_debug_spew ("w = %d h = %d\n", w, h);
if (nitems < ((w * h) + 2))
{
meta_verbose ("_NET_WM_ICON contained too little data\n");
return FALSE;
meta_verbose ("_NET_WM_ICON contained too little data?\n");
break;
}
if (best_start == NULL)
@ -3592,6 +3612,7 @@ find_best_size (gulong *data,
best_h = h;
}
data += (w * h) + 2;
nitems -= (w * h) + 2;
}
@ -3655,7 +3676,7 @@ read_rgb_icon (MetaWindow *window,
*width = w;
*height = h;
*pixdata = g_new (guchar, w * h);
*pixdata = g_new (guchar, w * h * 4);
p = *pixdata;
/* One could speed this up a lot. */
@ -3666,7 +3687,7 @@ read_rgb_icon (MetaWindow *window,
guint rgba;
argb = best[i];
rgba = (argb << 8) & (argb >> 24);
rgba = (argb << 8) | (argb >> 24);
*p = rgba >> 24;
++p;
@ -3701,6 +3722,60 @@ free_pixels (guchar *pixels, gpointer data)
g_free (pixels);
}
static void
replace_icon (MetaWindow *window,
GdkPixbuf *unscaled)
{
if (gdk_pixbuf_get_width (unscaled) != META_ICON_WIDTH ||
gdk_pixbuf_get_height (unscaled) != META_ICON_HEIGHT)
{
/* FIXME should keep aspect ratio, but for now assuming
* a square source icon
*/
window->icon = gdk_pixbuf_scale_simple (unscaled,
META_ICON_WIDTH,
META_ICON_HEIGHT,
GDK_INTERP_BILINEAR);
}
else
{
g_object_ref (G_OBJECT (unscaled));
window->icon = unscaled;
}
}
static void
get_pixmap_geometry (MetaDisplay *display,
Pixmap pixmap,
int *w,
int *h,
int *d)
{
Window root_ignored;
int x_ignored, y_ignored;
guint width, height;
guint border_width_ignored;
guint depth;
if (w)
*w = 1;
if (h)
*h = 1;
if (d)
*d = 1;
XGetGeometry (display->xdisplay,
pixmap, &root_ignored, &x_ignored, &y_ignored,
&width, &height, &border_width_ignored, &depth);
if (w)
*w = width;
if (h)
*h = height;
if (d)
*d = depth;
}
static int
update_icon (MetaWindow *window,
gboolean reload_rgb_icon)
@ -3717,36 +3792,21 @@ update_icon (MetaWindow *window,
{
GdkPixbuf *unscaled;
meta_verbose ("successfully read RGBA icon fro _NET_WM_ICON\n");
meta_verbose ("successfully read RGBA icon from _NET_WM_ICON, using w = %d h = %d\n", w, h);
window->using_rgb_icon = TRUE;
clear_icon (window);
unscaled = gdk_pixbuf_new_from_data (pixdata,
GDK_COLORSPACE_RGB,
TRUE,
8,
w, h, w,
w, h, w * 4,
free_pixels,
NULL);
if (w != META_ICON_WIDTH || h != META_ICON_HEIGHT)
{
/* FIXME should keep aspect ratio, but for now assuming
* a square source icon
*/
window->icon = gdk_pixbuf_scale_simple (unscaled,
META_ICON_WIDTH,
META_ICON_HEIGHT,
GDK_INTERP_BILINEAR);
replace_icon (window, unscaled);
g_object_unref (G_OBJECT (unscaled));
}
else
{
window->icon = unscaled;
}
g_object_unref (G_OBJECT (unscaled));
return Success;
}
@ -3768,12 +3828,68 @@ update_icon (MetaWindow *window,
}
/* Fallback to pixmap + mask */
/* FIXME well, I'm not sure how to deal with the mask */
/* FIXME for that matter, I don't know how we get the
* icon pixmap as pixbuf without knowing if it's a bitmap,
* so we may be entirely hosed. I guess we can try to get it
* with a nice error trap.
*/
if (window->icon_pixmap != None)
{
GdkPixbuf *unscaled;
int w, h;
meta_error_trap_push (window->display);
get_pixmap_geometry (window->display, window->icon_pixmap,
&w, &h, NULL);
/* FIXME get mask and copy it to alpha channel of pixmap */
unscaled = meta_gdk_pixbuf_get_from_pixmap (NULL,
window->icon_pixmap,
0, 0, 0, 0,
w, h);
meta_error_trap_pop (window->display);
if (unscaled)
{
meta_verbose ("Used pixmap icon\n");
replace_icon (window, unscaled);
return Success;
}
else
{
meta_verbose ("Failed to get pixmap icon as pixbuf\n");
}
}
if (window->kwm_pixmap != None)
{
GdkPixbuf *unscaled;
int w, h;
meta_error_trap_push (window->display);
get_pixmap_geometry (window->display, window->kwm_pixmap,
&w, &h, NULL);
/* FIXME get mask and copy it to alpha channel of pixmap */
unscaled = meta_gdk_pixbuf_get_from_pixmap (NULL,
window->kwm_pixmap,
0, 0, 0, 0,
w, h);
meta_error_trap_pop (window->display);
if (unscaled)
{
meta_verbose ("Used kwm icon\n");
replace_icon (window, unscaled);
return Success;
}
else
{
meta_verbose ("Failed to get kwm icon as pixbuf\n");
}
}
/* Fallback to a default icon */
if (window->icon == NULL)
@ -3782,6 +3898,45 @@ update_icon (MetaWindow *window,
return Success;
}
static int
update_kwm_icon (MetaWindow *window)
{
Atom type;
int format;
gulong nitems;
gulong bytes_after;
Pixmap *icons;
int result;
window->kwm_pixmap = None;
window->kwm_mask = None;
meta_error_trap_push (window->display);
icons = NULL;
XGetWindowProperty (window->display->xdisplay, window->xwindow,
window->display->atom_kwm_win_icon,
0, G_MAXLONG,
False, window->display->atom_kwm_win_icon,
&type, &format, &nitems,
&bytes_after, (guchar **)&icons);
result = meta_error_trap_pop (window->display);
if (result != Success)
return None;
if (type != window->display->atom_kwm_win_icon)
return None;
window->kwm_pixmap = icons[0];
window->kwm_mask = icons[1];
meta_verbose ("Found KWM_WIN_ICON 0x%lx\n", window->kwm_pixmap);
XFree (icons);
return Success;
}
static void
recalc_window_type (MetaWindow *window)
{

6
src/window.h
View File

@ -77,6 +77,12 @@ struct _MetaWindow
Pixmap icon_pixmap;
Pixmap icon_mask;
/* these are legacy and should die once we have _NET_WM_ICON in
* most apps
*/
Pixmap kwm_pixmap;
Pixmap kwm_mask;
/* Whether ->icon is from NET_WM_ICON instead of pixmap */
guint using_rgb_icon : 1;