clients: Maximize window when double click on title bar

Signed-off-by: Xiong Zhang <panda0626@gmail.com>
Tested-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

2 files changed, 35 insertions, 0 deletions

diff --git a/shared/cairo-util.h b/shared/cairo-util.h
index fb25c341..99c77363 100644
--- a/shared/cairo-util.h
+++ b/shared/cairo-util.h
@@ -213,6 +213,10 @@ frame_touch_down(struct frame *frame, void *data, int32_t id, int x, int y);
 void
 frame_touch_up(struct frame *frame, void *data, int32_t id);
 
+enum theme_location
+frame_double_click(struct frame *frame, void *pointer,
+		   uint32_t button, enum frame_button_state state);
+
 void
 frame_repaint(struct frame *frame, cairo_t *cr);
 
diff --git a/shared/frame.c b/shared/frame.c
index 5ea0e120..a983d845 100644
--- a/shared/frame.c
+++ b/shared/frame.c
@@ -837,6 +837,37 @@ frame_touch_up(struct frame *frame, void *data, int32_t id)
 	}
 }
 
+enum theme_location
+frame_double_click(struct frame *frame, void *data,
+		   uint32_t btn, enum frame_button_state state)
+{
+	struct frame_pointer *pointer = frame_pointer_get(frame, data);
+	struct frame_button *button;
+	enum theme_location location = THEME_LOCATION_EXTERIOR;
+
+	location = theme_get_location(frame->theme, pointer->x, pointer->y,
+				      frame->width, frame->height,
+				      frame->flags & FRAME_FLAG_MAXIMIZED ?
+				      THEME_FRAME_MAXIMIZED : 0);
+
+	button = frame_find_button(frame, pointer->x, pointer->y);
+
+	if (location != THEME_LOCATION_TITLEBAR || btn != BTN_LEFT)
+		return location;
+
+	if (state == FRAME_BUTTON_PRESSED) {
+		if (button)
+			frame_button_press(button);
+		else
+			frame->status |= FRAME_STATUS_MAXIMIZE;
+	} else if (state == FRAME_BUTTON_RELEASED) {
+		if (button)
+			frame_button_release(button);
+	}
+
+	return location;
+}
+
 void
 frame_repaint(struct frame *frame, cairo_t *cr)
 {