106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
#include <stdlib.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_scene.h>
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struct wlr_scene_output_layout {
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struct wlr_output_layout *layout;
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struct wlr_scene *scene;
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struct wl_listener layout_add;
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struct wl_listener layout_change;
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struct wl_listener layout_destroy;
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struct wl_listener scene_destroy;
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};
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static void scene_output_layout_destroy(struct wlr_scene_output_layout *sol) {
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wl_list_remove(&sol->layout_destroy.link);
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wl_list_remove(&sol->layout_add.link);
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wl_list_remove(&sol->layout_change.link);
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wl_list_remove(&sol->scene_destroy.link);
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free(sol);
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}
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static void scene_output_layout_handle_layout_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_scene_output_layout *sol =
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wl_container_of(listener, sol, layout_destroy);
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// Remove all outputs managed by the output layout
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struct wlr_scene_output *scene_output, *tmp;
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wl_list_for_each_safe(scene_output, tmp, &sol->scene->outputs, link) {
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struct wlr_output_layout_output *lo =
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wlr_output_layout_get(sol->layout, scene_output->output);
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if (lo != NULL) {
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wlr_scene_output_destroy(scene_output);
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}
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}
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scene_output_layout_destroy(sol);
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}
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static void scene_output_layout_handle_layout_change(
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struct wl_listener *listener, void *data) {
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struct wlr_scene_output_layout *sol =
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wl_container_of(listener, sol, layout_change);
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struct wlr_scene_output *scene_output, *tmp;
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wl_list_for_each_safe(scene_output, tmp, &sol->scene->outputs, link) {
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struct wlr_output_layout_output *lo =
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wlr_output_layout_get(sol->layout, scene_output->output);
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if (lo == NULL) {
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// Output has been removed from the layout
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wlr_scene_output_destroy(scene_output);
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continue;
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}
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wlr_scene_output_set_position(scene_output, lo->x, lo->y);
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}
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}
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static void scene_output_layout_handle_layout_add(
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struct wl_listener *listener, void *data) {
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struct wlr_scene_output_layout *sol =
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wl_container_of(listener, sol, layout_add);
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struct wlr_output_layout_output *lo = data;
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struct wlr_scene_output *scene_output =
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wlr_scene_output_create(sol->scene, lo->output);
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if (scene_output == NULL) {
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return;
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}
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wlr_scene_output_set_position(scene_output, lo->x, lo->y);
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}
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static void scene_output_layout_handle_scene_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_scene_output_layout *sol =
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wl_container_of(listener, sol, scene_destroy);
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scene_output_layout_destroy(sol);
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}
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bool wlr_scene_attach_output_layout(struct wlr_scene *scene,
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struct wlr_output_layout *output_layout) {
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struct wlr_scene_output_layout *sol = calloc(1, sizeof(*sol));
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if (sol == NULL) {
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return false;
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}
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sol->scene = scene;
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sol->layout = output_layout;
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sol->layout_destroy.notify = scene_output_layout_handle_layout_destroy;
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wl_signal_add(&output_layout->events.destroy, &sol->layout_destroy);
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sol->layout_change.notify = scene_output_layout_handle_layout_change;
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wl_signal_add(&output_layout->events.change, &sol->layout_change);
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sol->layout_add.notify = scene_output_layout_handle_layout_add;
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wl_signal_add(&output_layout->events.add, &sol->layout_add);
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sol->scene_destroy.notify = scene_output_layout_handle_scene_destroy;
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wl_signal_add(&output_layout->events.destroy, &sol->scene_destroy);
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return true;
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}
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