X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23895080c2666917f1c4ff2e40e327451a5fbcbf..7cc5a448dc310ace36a4d5ef47121d86cee131e5:/include/wx/window.h

diff --git a/include/wx/window.h b/include/wx/window.h
index 3abbf6a330..76c8865089 100644
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -403,6 +403,13 @@ public:
     void PushEventHandler( wxEvtHandler *handler );
     wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE );
 
+        // find the given handler in the event handler chain and remove (but
+        // not delete) it from the event handler chain, return TRUE if it was
+        // found and FALSE otherwise (this also results in an assert failure so
+        // this function should only be called when the handler is supposed to
+        // be there)
+    bool RemoveEventHandler(wxEvtHandler *handler);
+
     // validators
     // ----------
 
@@ -460,9 +467,12 @@ public:
         // move the mouse to the specified position
     virtual void WarpPointer(int x, int y) = 0;
 
-        // start or end mouse capture
-    virtual void CaptureMouse() = 0;
-    virtual void ReleaseMouse() = 0;
+        // start or end mouse capture, these functions maintain the stack of
+        // windows having captured the mouse and after calling ReleaseMouse()
+        // the mouse is not released but returns to the window which had had
+        // captured it previously (if any)
+    void CaptureMouse();
+    void ReleaseMouse();
 
         // get the window which currently captures the mouse or NULL
     static wxWindow *GetCapture();
@@ -883,6 +893,10 @@ protected:
 
     virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const;
 
+    // capture/release the mouse, used by Capture/ReleaseMouse()
+    virtual void DoCaptureMouse() = 0;
+    virtual void DoReleaseMouse() = 0;
+
     // retrieve the position/size of the window
     virtual void DoGetPosition( int *x, int *y ) const = 0;
     virtual void DoGetSize( int *width, int *height ) const = 0;
@@ -925,6 +939,9 @@ private:
     // contains the last id generated by NewControlId
     static int ms_lastControlId;
 
+    // the stack of windows which have captured the mouse
+    static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext;
+
     DECLARE_ABSTRACT_CLASS(wxWindowBase)
     DECLARE_NO_COPY_CLASS(wxWindowBase)
     DECLARE_EVENT_TABLE()