142 lines
4.2 KiB
C
142 lines
4.2 KiB
C
#include <assert.h>
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#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_list outputs; // wlr_scene_output_layout_output.link
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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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struct wlr_scene_output_layout_output {
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struct wlr_output_layout_output *layout_output;
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struct wlr_scene_output *scene_output;
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struct wl_list link; // wlr_scene_output_layout.outputs
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struct wl_listener layout_output_destroy;
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struct wl_listener scene_output_destroy;
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};
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static void scene_output_layout_output_destroy(
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struct wlr_scene_output_layout_output *solo) {
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wl_list_remove(&solo->layout_output_destroy.link);
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wl_list_remove(&solo->scene_output_destroy.link);
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wl_list_remove(&solo->link);
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free(solo);
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}
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static void scene_output_layout_output_handle_layout_output_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_scene_output_layout_output *solo =
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wl_container_of(listener, solo, layout_output_destroy);
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scene_output_layout_output_destroy(solo);
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}
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static void scene_output_layout_output_handle_scene_output_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_scene_output_layout_output *solo =
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wl_container_of(listener, solo, scene_output_destroy);
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scene_output_layout_output_destroy(solo);
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}
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static void scene_output_layout_destroy(struct wlr_scene_output_layout *sol) {
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struct wlr_scene_output_layout_output *solo, *tmp;
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wl_list_for_each_safe(solo, tmp, &sol->outputs, link) {
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scene_output_layout_output_destroy(solo);
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}
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wl_list_remove(&sol->layout_change.link);
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wl_list_remove(&sol->layout_destroy.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_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_layout_output *solo;
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wl_list_for_each(solo, &sol->outputs, link) {
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wlr_scene_output_set_position(solo->scene_output,
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solo->layout_output->x, solo->layout_output->y);
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}
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}
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void wlr_scene_output_layout_add_output(struct wlr_scene_output_layout *sol,
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struct wlr_output_layout_output *lo, struct wlr_scene_output *so) {
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assert(lo->output == so->output);
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struct wlr_scene_output_layout_output *solo;
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wl_list_for_each(solo, &sol->outputs, link) {
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if (solo->scene_output == so) {
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return;
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}
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}
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solo = calloc(1, sizeof(*solo));
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if (solo == NULL) {
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return;
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}
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solo->scene_output = so;
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solo->layout_output = lo;
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solo->layout_output_destroy.notify =
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scene_output_layout_output_handle_layout_output_destroy;
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wl_signal_add(&lo->events.destroy, &solo->layout_output_destroy);
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solo->scene_output_destroy.notify =
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scene_output_layout_output_handle_scene_output_destroy;
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wl_signal_add(&solo->scene_output->events.destroy,
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&solo->scene_output_destroy);
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wl_list_insert(&sol->outputs, &solo->link);
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wlr_scene_output_set_position(solo->scene_output, lo->x, lo->y);
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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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scene_output_layout_destroy(sol);
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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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struct wlr_scene_output_layout *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 NULL;
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}
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sol->scene = scene;
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sol->layout = output_layout;
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wl_list_init(&sol->outputs);
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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->scene_destroy.notify = scene_output_layout_handle_scene_destroy;
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wl_signal_add(&scene->tree.node.events.destroy, &sol->scene_destroy);
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return sol;
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}
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