Implement passive grabs on button clicks.

This commit is contained in:
Kristian Høgsberg 2008-12-11 23:27:27 -05:00
parent 5ee1a60f1a
commit 29573bc569

View File

@ -54,7 +54,10 @@ struct egl_input_device {
struct wl_object base;
int32_t x, y;
struct egl_compositor *ec;
struct egl_surface *surface;
struct egl_surface *pointer_surface;
int grab;
struct egl_surface *grab_surface;
};
struct egl_compositor {
@ -589,7 +592,7 @@ repaint(void *data)
draw_surface(ec->overlay);
draw_surface(ec->input_device->surface);
draw_surface(ec->input_device->pointer_surface);
eglSwapBuffers(ec->display, ec->surface);
ec->repaint_needed = 0;
@ -767,7 +770,11 @@ notify_motion(struct egl_input_device *device, int x, int y)
const int hotspot_x = 16, hotspot_y = 16;
int32_t sx, sy;
es = pick_surface(device);
if (device->grab > 0)
es = device->grab_surface;
else
es = pick_surface(device);
if (es) {
sx = (x - es->map.x) * es->width / es->map.width;
sy = (y - es->map.y) * es->height / es->map.height;
@ -777,8 +784,8 @@ notify_motion(struct egl_input_device *device, int x, int y)
device->x = x;
device->y = y;
device->surface->map.x = x - hotspot_x;
device->surface->map.y = y - hotspot_y;
device->pointer_surface->map.x = x - hotspot_x;
device->pointer_surface->map.y = y - hotspot_y;
schedule_repaint(device->ec);
}
@ -794,6 +801,13 @@ notify_button(struct egl_input_device *device,
wl_list_remove(&es->link);
wl_list_insert(device->ec->surface_list.prev, &es->link);
if (state) {
device->grab++;
device->grab_surface = es;
} else {
device->grab--;
}
/* FIXME: Swallow click on raise? */
wl_surface_post_event(es->wl_surface, &device->base,
WL_INPUT_BUTTON, button, state);
@ -864,7 +878,7 @@ create_input_devices(struct egl_compositor *ec)
ec->input_device = device;
device->x = 100;
device->y = 100;
device->surface = pointer_create(device->x, device->y, 64, 64);
device->pointer_surface = pointer_create(device->x, device->y, 64, 64);
device->ec = ec;
path = getenv("WAYLAND_POINTER");