diff options
| -rw-r--r-- | src/window.cpp | 19 | ||||
| -rw-r--r-- | src/window_gui.h | 7 |
2 files changed, 26 insertions, 0 deletions
diff --git a/src/window.cpp b/src/window.cpp index 447f247d6..9fa5655ae 100644 --- a/src/window.cpp +++ b/src/window.cpp @@ -1382,6 +1382,24 @@ static bool HandleDragDrop() return false; } +static bool HandleMouseDrag() +{ + if (_special_mouse_mode != WSM_DRAGDROP) return true; + if (!_left_button_down || (_cursor.delta.x == 0 && _cursor.delta.y == 0)) return true; + + Window *w = GetCallbackWnd(); + + if (w != NULL) { + /* Send an event in client coordinates. */ + Point pt; + pt.x = _cursor.pos.x - w->left; + pt.y = _cursor.pos.y - w->top; + w->OnMouseDrag(pt, GetWidgetFromPos(w, pt.x, pt.y)); + } + + return false; +} + static bool HandleMouseOver() { Window *w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y); @@ -2057,6 +2075,7 @@ static void MouseLoop(MouseClick click, int mousewheel) UpdateTileSelection(); if (!VpHandlePlaceSizingDrag()) return; + if (!HandleMouseDrag()) return; if (!HandleDragDrop()) return; if (!HandleWindowDragging()) return; if (!HandleScrollbarScrolling()) return; diff --git a/src/window_gui.h b/src/window_gui.h index 4e64cc5df..55a223581 100644 --- a/src/window_gui.h +++ b/src/window_gui.h @@ -657,6 +657,13 @@ public: virtual void OnRightClick(Point pt, int widget) {} /** + * An 'object' is being dragged at the provided position, highlight the target if possible. + * @param pt The point inside the window that the mouse hovers over. + * @param widget The widget the mouse hovers over. + */ + virtual void OnMouseDrag(Point pt, int widget) {} + + /** * A dragged 'object' has been released. * @param pt the point inside the window where the release took place. * @param widget the widget where the release took place. |