fix segfault & dont render when nothing has changed

3 files changed, 12 insertions, 5 deletions

diff --git a/input_field.c b/input_field.c
index dc62503..9eded28 100644
--- a/input_field.c
+++ b/input_field.c
@@ -30,11 +30,17 @@ void filter_items(client_state* state) {
 			array_add(state->filtered_items, (item_display_t){ .item = i });
 		}
 	}
-	if (array_size(state->input_buffer)) qsort(state->filtered_items, array_size(state->filtered_items), sizeof(item_display_t), compare);
+	if (array_size(state->input_buffer)) {
+		qsort(state->filtered_items, array_size(state->filtered_items), sizeof(item_display_t), compare);
+	}
 
 	// select item
-	if (array_size(state->filtered_items) > 0) state->selected_filtered_item = 0;
-	else state->selected_filtered_item = -1;
+	if (array_size(state->filtered_items) > 0) {
+		state->selected_filtered_item = 0;
+	}
+	else {
+		state->selected_filtered_item = -1;
+	}
 
 	// update layout
 	update_layout(state);
diff --git a/main.c b/main.c
index ce9022d..70b50e7 100644
--- a/main.c
+++ b/main.c
@@ -38,6 +38,7 @@ int main(int argc, char* argv[]) {
 	state.running = true;
 	state.input_buffer = array_new(char, 0);
 	state.filtered_items = array_new(item_display_t, 0);
+	state.selected_filtered_item = -1;
 
 	// check locale
 	setlocale(LC_ALL, "");
@@ -98,6 +99,7 @@ int main(int argc, char* argv[]) {
 	while (state.running) {
 		poll_events(&state);
 		render_frame(&state);
+		wl_display_dispatch(state.display);
 	}
 
 	// cleanup (of course)
diff --git a/registry.c b/registry.c
index df41580..e61b6a0 100644
--- a/registry.c
+++ b/registry.c
@@ -33,11 +33,10 @@ void global(void *data, struct wl_registry *wl_registry, uint32_t name, const ch
 		state->cursor_shape_manager = wl_registry_bind( wl_registry, name, &wp_cursor_shape_manager_v1_interface, 1);
 	}
 	else if (!strcmp(interface, wl_data_device_manager_interface.name)) {
-		state->data_device_manager = wl_registry_bind(wl_registry, name, &wl_data_device_manager_interface, 3);
+		state->data_device_manager = wl_registry_bind(wl_registry, name, &wl_data_device_manager_interface, 2);
 	}
 	else {
 	}
-
 }
 
 void global_remove(void *data, struct wl_registry *wl_registry, uint32_t name) {