wlt: toolkit: add maximize toggle functionality

Use wl_shell_surface_set_maximized() to notify the compositor that we
support being maximized now. The server actually decides whether it
resizes our window.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>

diff --git a/src/wlt_theme.c b/src/wlt_theme.c
index c69d889..de54cc7 100644 (file)
--- a/src/wlt_theme.c
+++ b/src/wlt_theme.c
@@ -443,6 +443,7 @@ static void button_action(struct wlt_theme *theme)
                wlt_window_close(theme->wnd);
                break;
        case LOC_MAXIMIZE:
+               wlt_window_toggle_maximize(theme->wnd);
                break;
        case LOC_MINIMIZE:
                break;

diff --git a/src/wlt_toolkit.c b/src/wlt_toolkit.c
index d34eb64..4f73c3e 100644 (file)
--- a/src/wlt_toolkit.c
+++ b/src/wlt_toolkit.c
@@ -114,7 +114,10 @@ struct wlt_window {
        bool idle_pending;
        unsigned int new_width;
        unsigned int new_height;
+       unsigned int saved_width;
+       unsigned int saved_height;
        unsigned int resize_edges;
+       bool maximized;
        struct wlt_shm_buffer buffer;
        struct wl_callback *w_frame;
 
@@ -1482,6 +1485,23 @@ void wlt_window_close(struct wlt_window *wnd)
        ev_eloop_register_idle_cb(wnd->disp->eloop, close_window, wnd);
 }
 
+void wlt_window_toggle_maximize(struct wlt_window *wnd)
+{
+       if (!wnd)
+               return;
+
+       if (wnd->maximized) {
+               wl_shell_surface_set_toplevel(wnd->w_shell_surface);
+               wlt_window_set_size(wnd, wnd->saved_width, wnd->saved_height);
+       } else {
+               wnd->saved_width = wnd->buffer.width;
+               wnd->saved_height = wnd->buffer.height;
+               wl_shell_surface_set_maximized(wnd->w_shell_surface, NULL);
+       }
+
+       wnd->maximized = !wnd->maximized;
+}
+
 struct ev_eloop *wlt_window_get_eloop(struct wlt_window *wnd)
 {
        if (!wnd)

diff --git a/src/wlt_toolkit.h b/src/wlt_toolkit.h
index e24486f..2780969 100644 (file)
--- a/src/wlt_toolkit.h
+++ b/src/wlt_toolkit.h
@@ -143,6 +143,7 @@ void wlt_window_set_cursor(struct wlt_window *wnd, unsigned int cursor);
 void wlt_window_set_close_cb(struct wlt_window *wnd,
                             wlt_window_close_cb cb);
 void wlt_window_close(struct wlt_window *wnd);
+void wlt_window_toggle_maximize(struct wlt_window *wnd);
 struct ev_eloop *wlt_window_get_eloop(struct wlt_window *wnd);
 
 void wlt_widget_destroy(struct wlt_widget *widget);