[PATCH kmscon] wlterm: Add maximize toggle functionality.

[Scott Moreau]

---
 src/wlt_theme.c   |  1 +
 src/wlt_toolkit.c | 20 ++++++++++++++++++++
 src/wlt_toolkit.h |  1 +
 3 files changed, 22 insertions(+)

diff --git a/src/wlt_theme.c b/src/wlt_theme.c
index c69d889..de54cc7 100644
--- 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
--- 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
--- 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);
-- 
1.7.11.4