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Center xdg shell views

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emersion 2017-10-08 12:17:25 +02:00
parent 543601e86c
commit d09d01236b
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GPG key ID: 0FDE7BE0E88F5E48
3 changed files with 41 additions and 2 deletions
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20
rootston/desktop.c
View file

@ -83,6 +83,26 @@ void view_close(struct roots_view *view) {
}
}
bool view_center(struct roots_view *view) {
struct wlr_box size;
view_get_size(view, &size);
if (size.width == 0 && size.height == 0) {
return false;
}
struct roots_desktop *desktop = view->desktop;
struct wlr_cursor *cursor = desktop->server->input->cursor;
struct wlr_output *output = wlr_output_layout_output_at(desktop->layout,
cursor->x, cursor->y);
if (!output) {
return false;
}
view->x = (double)(output->width - size.width) / 2;
view->y = (double)(output->height - size.height) / 2;
return true;
}
static struct wlr_subsurface *subsurface_at(struct wlr_surface *surface,
double sx, double sy, double *sub_x, double *sub_y) {
struct wlr_subsurface *subsurface;

19
rootston/xdg_shell_v6.c
View file

@ -67,6 +67,17 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
view_begin_resize(input, event->cursor, view, e->edges);
}
static void handle_commit(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, commit);
struct roots_view *view = roots_xdg_surface->view;
bool centered = view_center(view);
if (centered) {
wl_list_remove(&listener->link);
}
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, destroy);
@ -98,7 +109,12 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_surface =
calloc(1, sizeof(struct roots_xdg_surface_v6));
// TODO: all of the trimmings
if (!roots_surface) {
return;
}
wl_list_init(&roots_surface->commit.link);
roots_surface->commit.notify = handle_commit;
wl_signal_add(&surface->events.commit, &roots_surface->commit);
wl_list_init(&roots_surface->destroy.link);
roots_surface->destroy.notify = handle_destroy;
wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
@ -115,7 +131,6 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
struct roots_view *view = calloc(1, sizeof(struct roots_view));
view->type = ROOTS_XDG_SHELL_V6_VIEW;
view->x = view->y = 200;
view->xdg_surface_v6 = surface;
view->roots_xdg_surface_v6 = roots_surface;
view->wlr_surface = surface->surface;