fixed memory leak in RestoreState

[wxWidgets.git] / src / x11 / window.cpp

diff --git a/src/x11/window.cpp b/src/x11/window.cpp
index d51631aacedbafffb441f43608b49023841b7c51..2e2df49db87ac9102ed8a3bc714b0a68b9c8d55c 100644 (file)
--- a/src/x11/window.cpp
+++ b/src/x11/window.cpp
@@ -160,6 +160,8 @@ bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
     if (pos2.y == wxDefaultCoord)
         pos2.y = 0;
 
+    AdjustForParentClientOrigin(pos2.x, pos2.y);
+
 #if wxUSE_TWO_WINDOWS
     bool need_two_windows =
         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
@@ -357,10 +359,13 @@ wxWindowX11::~wxWindowX11()
     }
 
     // Destroy the window
-    Window xwindow = (Window) m_mainWindow;
-    wxDeleteWindowFromTable( xwindow );
-    XDestroyWindow( wxGlobalDisplay(), xwindow );
-    m_mainWindow = NULL;
+    if ( m_mainWindow )
+    {
+        Window xwindow = (Window) m_mainWindow;
+        wxDeleteWindowFromTable( xwindow );
+        XDestroyWindow( wxGlobalDisplay(), xwindow );
+        m_mainWindow = NULL;
+    }
 }
 
 // ---------------------------------------------------------------------------
@@ -802,9 +807,11 @@ void wxWindowX11::DoScreenToClient(int *x, int *y) const
     Window thisWindow = (Window) m_clientWindow;
 
     Window childWindow;
-    int xx = *x;
-    int yy = *y;
-    XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
+    int xx = x ? *x : 0;
+    int yy = y ? *y : 0;
+    XTranslateCoordinates(display, rootWindow, thisWindow,
+                          xx, yy, x ? x : &xx, y ? y : &yy,
+                          &childWindow);
 }
 
 void wxWindowX11::DoClientToScreen(int *x, int *y) const
@@ -814,9 +821,11 @@ void wxWindowX11::DoClientToScreen(int *x, int *y) const
     Window thisWindow = (Window) m_clientWindow;
 
     Window childWindow;
-    int xx = *x;
-    int yy = *y;
-    XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
+    int xx = x ? *x : 0;
+    int yy = y ? *y : 0;
+    XTranslateCoordinates(display, thisWindow, rootWindow,
+                          xx, yy, x ? x : &xx, y ? y : &yy,
+                          &childWindow);
 }
 
 
@@ -1113,7 +1122,7 @@ void wxWindowX11::GetTextExtent(const wxString& string,
     XCharStruct overall;
     int slen = string.length();
 
-    XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
+    XTextExtents((XFontStruct*) pFontStruct, (const char*) string.c_str(), slen,
                  &direction, &ascent, &descent2, &overall);
 
     if ( x )
@@ -1456,6 +1465,22 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window,
                     eventType = wxEVT_RIGHT_DOWN;
                     button = 3;
                 }
+                else if ( xevent->xbutton.button == Button4 ||
+                            xevent->xbutton.button == Button5 )
+                {
+                    // this is the same value as used under wxMSW
+                    static const int WHEEL_DELTA = 120;
+
+                    eventType = wxEVT_MOUSEWHEEL;
+                    button = xevent->xbutton.button;
+
+                    wxevent.m_linesPerAction = 3;
+                    wxevent.m_wheelDelta = WHEEL_DELTA;
+
+                    // Button 4 means mousewheel up, 5 means down
+                    wxevent.m_wheelRotation = button == Button4 ? WHEEL_DELTA
+                                                                : -WHEEL_DELTA;
+                }
 
                 // check for a double click
                 // TODO: where can we get this value from?
@@ -1694,8 +1719,14 @@ int wxNoOptimize::ms_count = 0;
 class wxWinModule : public wxModule
 {
 public:
-    bool OnInit();
-    void OnExit();
+    wxWinModule()
+    {
+        // we must be cleaned up before the display is closed
+        AddDependency(wxClassInfo::FindClass(_T("wxX11DisplayModule")));
+    }
+
+    virtual bool OnInit();
+    virtual void OnExit();
 
 private:
     DECLARE_DYNAMIC_CLASS(wxWinModule)