Implement floating_modifier and mouse operations for floating views

This implements the following:

* `floating_modifier` configuration directive
* Drag a floating window by its title bar
* Hold mod + drag a floating window from anywhere
* Resize a floating view by dragging the border
* Resize a floating view by holding mod and right clicking anywhere on
the view
* Resize a floating view and keep aspect ratio by holding shift while
resizing using either method
* Mouse cursor turns into resize when hovering floating border or corner

1 files changed, 1 insertions, 0 deletions

diff --git a/sway/tree/layout.c b/sway/tree/layout.c
index 1f898f8a..533906fa 100644
--- a/sway/tree/layout.c
+++ b/sway/tree/layout.c
@@ -562,6 +562,7 @@ void container_move(struct sway_container *container,
                 workspace_detect_urgent(last_ws);
                 workspace_detect_urgent(next_ws);
         }
+        container_end_mouse_operation(container);
 }
 
 enum sway_container_layout container_get_default_layout(