DeforaOS/Panel
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Loading applications' icons when they're 48x48

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This commit is contained in:
Pierre Pronchery 2009-08-09 00:36:28 +00:00
parent 9367618b57
commit 806dc4f316
1 changed files with 49 additions and 2 deletions
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51
src/applets/tasks.c
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@ -31,8 +31,9 @@
typedef enum _TasksAtom
{
TASKS_ATOM_NET_CLIENT_LIST = 0,
TASKS_ATOM_NET_WM_VISIBLE_NAME,
TASKS_ATOM_NET_WM_ICON,
TASKS_ATOM_NET_WM_NAME,
TASKS_ATOM_NET_WM_VISIBLE_NAME,
TASKS_ATOM_UTF8_STRING
} TasksAtom;
#define TASKS_ATOM_LAST TASKS_ATOM_UTF8_STRING
@ -53,8 +54,9 @@ typedef struct _Tasks
static const char * _tasks_atom[TASKS_ATOM_COUNT] =
{
"_NET_CLIENT_LIST",
"_NET_WM_VISIBLE_NAME",
"_NET_WM_ICON",
"_NET_WM_NAME",
"_NET_WM_VISIBLE_NAME",
"UTF8_STRING"
};
@ -191,6 +193,7 @@ static int _tasks_get_window_property(Tasks * tasks, Window window,
static char * _do_name(Tasks * tasks, Window window);
static char * _do_name_text(Tasks * tasks, Window window, Atom property);
static char * _do_name_utf8(Tasks * tasks, Window window, Atom property);
static GdkPixbuf * _do_pixbuf(Tasks * tasks, Window window);
static void _tasks_do(Tasks * tasks)
{
@ -200,6 +203,7 @@ static void _tasks_do(Tasks * tasks)
GdkWindow * window;
char * name;
GtkWidget * widget;
GdkPixbuf * pixbuf;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
@ -220,7 +224,11 @@ static void _tasks_do(Tasks * tasks)
if((name = _do_name(tasks, windows[i])) == NULL)
continue;
widget = gtk_button_new_with_label(name);
if((pixbuf = _do_pixbuf(tasks, windows[i])) != NULL)
gtk_button_set_image(GTK_BUTTON(widget),
gtk_image_new_from_pixbuf(pixbuf));
gtk_widget_set_size_request(widget, 100, -1);
gtk_widget_show_all(widget);
gtk_box_pack_start(GTK_BOX(tasks->hbox), widget, FALSE, TRUE,
2);
g_free(name);
@ -267,6 +275,45 @@ static char * _do_name_utf8(Tasks * tasks, Window window, Atom property)
return ret;
}
static GdkPixbuf * _do_pixbuf(Tasks * tasks, Window window)
{
unsigned long cnt = 0;
unsigned long * buf = NULL;
unsigned long i;
unsigned long width;
unsigned long height;
unsigned long size;
unsigned char * pixbuf;
unsigned long j;
if(_tasks_get_window_property(tasks, window, TASKS_ATOM_NET_WM_ICON,
XA_CARDINAL, &cnt, (void*)&buf) != 0)
return NULL;
for(i = 0; i < cnt - 3; i++)
{
width = buf[i];
height = buf[i + 1];
if(i + 2 + (width * height) > cnt)
break;
if(width != 48 || height != 48)
continue;
size = width * height * 4;
if((pixbuf = malloc(size)) == NULL)
return NULL;
for(i+=2, j = 0; j < size; i++)
{
pixbuf[j++] = (buf[i] >> 16) & 0xff; /* red */
pixbuf[j++] = (buf[i] >> 8) & 0xff; /* green */
pixbuf[j++] = buf[i] & 0xff; /* blue */
pixbuf[j++] = buf[i] >> 24; /* alpha */
}
return gdk_pixbuf_new_from_data(pixbuf, GDK_COLORSPACE_RGB,
TRUE, 8, width, height, width * 4,
(GdkPixbufDestroyNotify)free, NULL);
}
return NULL;
}
/* callbacks */
/* on_filter */