diff options
Diffstat (limited to 'swaybar/render.c')
| -rw-r--r-- | swaybar/render.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/swaybar/render.c b/swaybar/render.c index 90e5bac7..dc31a5ea 100644 --- a/swaybar/render.c +++ b/swaybar/render.c @@ -473,7 +473,22 @@ static uint32_t render_to_cairo(cairo_t *cairo, struct swaybar_output *output) { return max_height > output->height ? max_height : output->height; } -void render_frame(struct swaybar *bar, struct swaybar_output *output) { +static void output_frame_handle_done(void *data, struct wl_callback *callback, + uint32_t time) { + wl_callback_destroy(callback); + struct swaybar_output *output = data; + output->frame_scheduled = false; + if (output->dirty) { + render_frame(output); + output->dirty = false; + } +} + +static const struct wl_callback_listener output_frame_listener = { + .done = output_frame_handle_done +}; + +void render_frame(struct swaybar_output *output) { assert(output->surface != NULL); struct swaybar_hotspot *hotspot, *tmp; @@ -518,6 +533,8 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) { output->width * output->scale, output->height * output->scale); if (!output->current_buffer) { + cairo_surface_destroy(recorder); + cairo_destroy(cairo); return; } cairo_t *shm = output->current_buffer->cairo; @@ -535,6 +552,11 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) { output->current_buffer->buffer, 0, 0); wl_surface_damage(output->surface, 0, 0, output->width, output->height); + + struct wl_callback *frame_callback = wl_surface_frame(output->surface); + wl_callback_add_listener(frame_callback, &output_frame_listener, output); + output->frame_scheduled = true; + wl_surface_commit(output->surface); } cairo_surface_destroy(recorder); |