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https://github.com/labwc/labwc.git
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135 lines
3.7 KiB
C
135 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <assert.h>
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#include <wlr/types/wlr_server_decoration.h>
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#include "common/list.h"
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#include "common/mem.h"
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#include "decorations.h"
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#include "labwc.h"
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#include "view.h"
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static struct wl_list decorations;
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static struct wlr_server_decoration_manager *kde_deco_mgr;
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struct kde_deco {
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struct wl_list link; /* decorations */
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struct wlr_server_decoration *wlr_kde_decoration;
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struct view *view;
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struct wl_listener mode;
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struct wl_listener destroy;
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};
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static void
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handle_destroy(struct wl_listener *listener, void *data)
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{
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struct kde_deco *kde_deco = wl_container_of(listener, kde_deco, destroy);
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wl_list_remove(&kde_deco->destroy.link);
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wl_list_remove(&kde_deco->mode.link);
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wl_list_remove(&kde_deco->link);
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free(kde_deco);
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}
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static void
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handle_mode(struct wl_listener *listener, void *data)
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{
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struct kde_deco *kde_deco = wl_container_of(listener, kde_deco, mode);
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if (!kde_deco->view) {
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return;
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}
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enum wlr_server_decoration_manager_mode client_mode =
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kde_deco->wlr_kde_decoration->mode;
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switch (client_mode) {
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case WLR_SERVER_DECORATION_MANAGER_MODE_SERVER:
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kde_deco->view->ssd_preference = LAB_SSD_PREF_SERVER;
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break;
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case WLR_SERVER_DECORATION_MANAGER_MODE_NONE:
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case WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT:
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kde_deco->view->ssd_preference = LAB_SSD_PREF_CLIENT;
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break;
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default:
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wlr_log(WLR_ERROR, "Unspecified kde decoration variant "
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"requested: %u", client_mode);
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}
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if (kde_deco->view->ssd_preference == LAB_SSD_PREF_SERVER) {
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view_set_ssd_mode(kde_deco->view, LAB_SSD_MODE_FULL);
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} else {
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view_set_ssd_mode(kde_deco->view, LAB_SSD_MODE_NONE);
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}
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}
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static void
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handle_new_server_decoration(struct wl_listener *listener, void *data)
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{
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struct wlr_server_decoration *wlr_deco = data;
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struct kde_deco *kde_deco = znew(*kde_deco);
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kde_deco->wlr_kde_decoration = wlr_deco;
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if (wlr_deco->surface) {
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/*
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* Depending on the application event flow, the supplied
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* wlr_surface may already have been set up as a xdg_surface
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* or not (e.g. for GTK4). In the second case, the xdg.c
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* new_surface handler will try to set the view via
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* kde_server_decoration_set_view().
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*/
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struct wlr_xdg_surface *xdg_surface =
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wlr_xdg_surface_try_from_wlr_surface(wlr_deco->surface);
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if (xdg_surface && xdg_surface->data) {
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kde_deco->view = (struct view *)xdg_surface->data;
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handle_mode(&kde_deco->mode, wlr_deco);
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}
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}
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wl_signal_add(&wlr_deco->events.destroy, &kde_deco->destroy);
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kde_deco->destroy.notify = handle_destroy;
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wl_signal_add(&wlr_deco->events.mode, &kde_deco->mode);
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kde_deco->mode.notify = handle_mode;
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wl_list_append(&decorations, &kde_deco->link);
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}
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void
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kde_server_decoration_set_view(struct view *view, struct wlr_surface *surface)
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{
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struct kde_deco *kde_deco;
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wl_list_for_each(kde_deco, &decorations, link) {
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if (kde_deco->wlr_kde_decoration->surface == surface) {
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if (!kde_deco->view) {
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kde_deco->view = view;
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handle_mode(&kde_deco->mode, kde_deco->wlr_kde_decoration);
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}
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return;
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}
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}
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}
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void
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kde_server_decoration_update_default(void)
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{
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assert(kde_deco_mgr);
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wlr_server_decoration_manager_set_default_mode(kde_deco_mgr,
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rc.xdg_shell_server_side_deco
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? WLR_SERVER_DECORATION_MANAGER_MODE_SERVER
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: WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT);
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}
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void
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kde_server_decoration_init(struct server *server)
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{
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assert(!kde_deco_mgr);
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kde_deco_mgr = wlr_server_decoration_manager_create(server->wl_display);
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if (!kde_deco_mgr) {
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wlr_log(WLR_ERROR, "unable to create the kde server deco manager");
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exit(EXIT_FAILURE);
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}
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wl_list_init(&decorations);
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kde_server_decoration_update_default();
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wl_signal_add(&kde_deco_mgr->events.new_decoration, &server->kde_server_decoration);
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server->kde_server_decoration.notify = handle_new_server_decoration;
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}
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