Mabox/tint2
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Taskbar: thumbnails

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This commit is contained in:
o9000
2017-11-14 10:34:57 +01:00
parent 8a7e7e4281
commit 5a867a83c6
8 changed files with 109 additions and 14 deletions
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48
src/util/window.c
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@@ -157,7 +157,8 @@ int get_window_desktop(Window win)
if (best_match < 0)
best_match = 0;
// fprintf(stderr, "tint2: window %lx %s : viewport %d, (%d, %d)\n", win, get_task(win) ? get_task(win)->title : "??",
// fprintf(stderr, "tint2: window %lx %s : viewport %d, (%d, %d)\n", win, get_task(win) ? get_task(win)->title :
// "??",
// best_match+1, x, y);
return best_match;
}
@@ -190,15 +191,18 @@ int get_window_monitor(Window win)
return best_match;
}
void get_window_coordinates(Window win, int *x, int *y, int *w, int *h)
gboolean get_window_coordinates(Window win, int *x, int *y, int *w, int *h)
{
int dummy_int;
unsigned ww, wh, bw, bh;
Window src;
XTranslateCoordinates(server.display, win, server.root_win, 0, 0, x, y, &src);
XGetGeometry(server.display, win, &src, &dummy_int, &dummy_int, &ww, &wh, &bw, &bh);
if (!XTranslateCoordinates(server.display, win, server.root_win, 0, 0, x, y, &src))
return FALSE;
if (!XGetGeometry(server.display, win, &src, &dummy_int, &dummy_int, &ww, &wh, &bw, &bh))
return FALSE;
*w = ww + bw;
*h = wh + bh;
return TRUE;
}
gboolean window_is_iconified(Window win)
@@ -352,3 +356,39 @@ char *get_window_name(Window win)
XFree(text_property.value);
return result;
}
cairo_surface_t *get_window_thumbnail(Window win)
{
int x, y, w, h;
if (!get_window_coordinates(win, &x, &y, &w, &h))
return NULL;
int tw, th;
th = 128;
tw = w * th / h;
cairo_surface_t *x11_surface =
cairo_xlib_surface_create(server.display, win, DefaultVisual(server.display, server.screen), w, h);
cairo_surface_t *image_surface = cairo_surface_create_similar_image(x11_surface, CAIRO_FORMAT_ARGB32, tw, th);
cairo_t *cr = cairo_create(image_surface);
cairo_scale(cr, tw/(double)w, th/(double)h);
cairo_set_source_surface(cr, x11_surface, 0, 0);
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_BEST);
cairo_paint(cr);
cairo_destroy(cr);
cairo_surface_destroy(x11_surface);
uint32_t *pixels = (uint32_t *)cairo_image_surface_get_data(image_surface);
gboolean empty = TRUE;
for (int i = 0; empty && i < tw * th; i += 4) {
if (pixels[i] & 0xffFFff)
empty = FALSE;
}
if (empty) {
cairo_surface_destroy(image_surface);
return NULL;
}
return image_surface;
}