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(svn r19886) -Add [FS#3705]: Perform window callback during mouse dragging for the purpose of highlighting the destination (sbr).

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alberth 2010-05-23 14:53:39 +00:00
parent 0ccd755de6
commit 740185febd
2 changed files with 26 additions and 0 deletions
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19
src/window.cpp
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@ -1382,6 +1382,24 @@ static bool HandleDragDrop()
return false; 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() static bool HandleMouseOver()
{ {
Window *w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y); Window *w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
@ -2057,6 +2075,7 @@ static void MouseLoop(MouseClick click, int mousewheel)
UpdateTileSelection(); UpdateTileSelection();
if (!VpHandlePlaceSizingDrag()) return; if (!VpHandlePlaceSizingDrag()) return;
if (!HandleMouseDrag()) return;
if (!HandleDragDrop()) return; if (!HandleDragDrop()) return;
if (!HandleWindowDragging()) return; if (!HandleWindowDragging()) return;
if (!HandleScrollbarScrolling()) return; if (!HandleScrollbarScrolling()) return;

7
src/window_gui.h
View File

@ -656,6 +656,13 @@ public:
*/ */
virtual void OnRightClick(Point pt, int widget) {} 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. * A dragged 'object' has been released.
* @param pt the point inside the window where the release took place. * @param pt the point inside the window where the release took place.