commit 76db202

add min/max window width/height

fixes swc wm dying if resize value is too large
(unsigned wrapping back)

 1@@ -250,6 +250,10 @@ struct swc_window {
 2 
 3 	struct swc_window *parent;
 4 	uint32_t motion_throttle_ms;
 5+	uint32_t min_width;
 6+	uint32_t min_height;
 7+	uint32_t max_width;
 8+	uint32_t max_height;
 9 };
10 
11 /**

 1@@ -55,6 +55,36 @@ should_throttle_motion(uint32_t throttle_ms, uint32_t *last_time, uint32_t time)
 2 	return false;
 3 }
 4 
 5+static uint32_t
 6+clamp_dimension(int32_t value, uint32_t min, uint32_t max)
 7+{
 8+	if (value < 0)
 9+		value = 0;
10+
11+	if (min && value < min)
12+		value = min;
13+
14+	if (max) {
15+		if (min && max < min)
16+			max = min;
17+
18+		if (value > max)
19+			value = max;
20+	}
21+
22+	if (value > UINT32_MAX)
23+		value = UINT32_MAX;
24+
25+	return value;
26+}
27+
28+static void
29+clamp_window_size(const struct window *window, uint32_t *width, uint32_t *height)
30+{
31+	*width = clamp_dimension(*width, window->base.min_width, window->base.max_width);
32+	*height = clamp_dimension(*height, window->base.min_height, window->base.max_height);
33+}
34+
35 static void
36 handle_window_enter(struct wl_listener *listener, void *data)
37 {
38@@ -255,6 +285,8 @@ swc_window_set_size(struct swc_window *base, uint32_t width, uint32_t height)
39 	struct window *window = INTERNAL(base);
40 	struct swc_rectangle *geom = &window->view->base.geometry;
41 
42+	clamp_window_size(window, &width, &height);
43+
44 	if ((window->configure.pending && width == window->configure.width && height == window->configure.height)
45 	 || (!window->configure.pending && width == geom->width && height == geom->height))
46 	{
47@@ -359,6 +391,7 @@ resize_motion(struct pointer_handler *handler, uint32_t time, wl_fixed_t fx, wl_
48 	else if (window->resize.edges & SWC_WINDOW_EDGE_BOTTOM)
49 		height = wl_fixed_to_int(fy) + window->resize.offset.y - geometry->y;
50 
51+	clamp_window_size(window, &width, &height);
52 	window->impl->configure(window, width, height);
53 
54 	return true;
55@@ -432,6 +465,10 @@ window_initialize(struct window *window, const struct window_impl *impl, struct
56 	window->view_handler.impl = &view_handler_impl;
57 	window->view->window = window;
58 	window->base.motion_throttle_ms = def_motion_throttle_ms;
59+	window->base.min_width = 0;
60+	window->base.min_height = 0;
61+	window->base.max_width = 0;
62+	window->base.max_height = 0;
63 	window->managed = false;
64 	window->mode = WINDOW_MODE_STACKED;
65 	window->move.pending = false;