swayfx/sway/xdg_decoration.c
Simon Ser 32087ad77d Fix xdg-decoration unconfigured if set before first commit
In case a set_mode/unset_mode request is sent before the first commit, we need
to handle the value and send our preference accordingly.

This fixes xdg-decoration support for Qt apps.
2019-05-03 15:37:32 -06:00

64 lines
1.9 KiB
C

#include <stdlib.h>
#include "sway/desktop/transaction.h"
#include "sway/server.h"
#include "sway/tree/arrange.h"
#include "sway/tree/view.h"
#include "sway/xdg_decoration.h"
#include "log.h"
static void xdg_decoration_handle_destroy(struct wl_listener *listener,
void *data) {
struct sway_xdg_decoration *deco =
wl_container_of(listener, deco, destroy);
if(deco->view) {
deco->view->xdg_decoration = NULL;
}
wl_list_remove(&deco->destroy.link);
wl_list_remove(&deco->request_mode.link);
wl_list_remove(&deco->link);
free(deco);
}
static void xdg_decoration_handle_request_mode(struct wl_listener *listener,
void *data) {
struct sway_xdg_decoration *deco =
wl_container_of(listener, deco, request_mode);
wlr_xdg_toplevel_decoration_v1_set_mode(deco->wlr_xdg_decoration,
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
}
void handle_xdg_decoration(struct wl_listener *listener, void *data) {
struct wlr_xdg_toplevel_decoration_v1 *wlr_deco = data;
struct sway_xdg_shell_view *xdg_shell_view = wlr_deco->surface->data;
struct sway_xdg_decoration *deco = calloc(1, sizeof(*deco));
if (deco == NULL) {
return;
}
deco->view = &xdg_shell_view->view;
deco->view->xdg_decoration = deco;
deco->wlr_xdg_decoration = wlr_deco;
wl_signal_add(&wlr_deco->events.destroy, &deco->destroy);
deco->destroy.notify = xdg_decoration_handle_destroy;
wl_signal_add(&wlr_deco->events.request_mode, &deco->request_mode);
deco->request_mode.notify = xdg_decoration_handle_request_mode;
wl_list_insert(&server.xdg_decorations, &deco->link);
xdg_decoration_handle_request_mode(&deco->request_mode, wlr_deco);
}
struct sway_xdg_decoration *xdg_decoration_from_surface(
struct wlr_surface *surface) {
struct sway_xdg_decoration *deco;
wl_list_for_each(deco, &server.xdg_decorations, link) {
if (deco->wlr_xdg_decoration->surface->surface == surface) {
return deco;
}
}
return NULL;
}