replace 5 copies of size constraining code with one function

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45657 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/window.h

@@ -378,6 +378,8 @@ protected:
     // should be called from OnInternalIdle() if it's overridden
     void GTKUpdateCursor();
 
+    void ConstrainSize();
+
 private:
     enum ScrollUnit { ScrollUnit_Line, ScrollUnit_Page, ScrollUnit_Max };
 

src/gtk/frame.cpp

@@ -334,15 +334,7 @@ void wxFrame::GtkOnSize()
        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
        importantly) m_mainWidget */
 
-    int minWidth = GetMinWidth(),
+    ConstrainSize();
-        minHeight = GetMinHeight(),
-        maxWidth = GetMaxWidth(),
-        maxHeight = GetMaxHeight();
-
-    if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
-    if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
-    if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
-    if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 
     if (m_mainWidget)
     {

src/gtk/popupwin.cpp

@@ -237,15 +237,7 @@ void wxPopupWindow::DoSetSize( int x, int y, int width, int height, int sizeFlag
     }
 */
 
-    int minWidth = GetMinWidth(),
+    ConstrainSize();
-        minHeight = GetMinHeight(),
-        maxWidth = GetMaxWidth(),
-        maxHeight = GetMaxHeight();
-
-    if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
-    if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
-    if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
-    if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 
     if ((m_x != -1) || (m_y != -1))
     {

src/gtk/toplevel.cpp

@@ -857,23 +857,7 @@ void wxTopLevelWindowGTK::GTKDoSetSize(int width, int height)
     if ( height != -1 )
         m_height = height;
 
-    // GPE's window manager doesn't like size hints at all, esp. when the user
+    ConstrainSize();
-    // has to use the virtual keyboard, so don't constrain size there
-#ifndef __WXGPE__
-    int minWidth = GetMinWidth(),
-        minHeight = GetMinHeight(),
-        maxWidth = GetMaxWidth(),
-        maxHeight = GetMaxHeight();
-
-    if ( minWidth != -1 && m_width < minWidth )
-        m_width = minWidth;
-    if ( minHeight != -1 && m_height < minHeight )
-        m_height = minHeight;
-    if ( maxWidth != -1 && m_width > maxWidth )
-        m_width = maxWidth;
-    if ( maxHeight != -1 && m_height > maxHeight )
-        m_height = maxHeight;
-#endif // __WXGPE__
 
     if ( m_width != old_width || m_height != old_height )
     {
@@ -1046,25 +1030,7 @@ void wxTopLevelWindowGTK::GtkOnSize()
        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
        importantly) m_mainWidget */
 
-    int minWidth = GetMinWidth(),
+    ConstrainSize();
-        minHeight = GetMinHeight(),
-        maxWidth = GetMaxWidth(),
-        maxHeight = GetMaxHeight();
-
-#ifdef __WXGPE__
-    // GPE's window manager doesn't like size hints
-    // at all, esp. when the user has to use the
-    // virtual keyboard.
-    minWidth = -1;
-    minHeight = -1;
-    maxWidth = -1;
-    maxHeight = -1;
-#endif
-
-    if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
-    if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
-    if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
-    if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 
     if (m_mainWidget)
     {

src/gtk/window.cpp

@@ -2625,6 +2625,23 @@ void wxWindowGTK::DoMoveWindow(int x, int y, int width, int height)
 
 }
 
+void wxWindowGTK::ConstrainSize()
+{
+#ifdef __WXGPE__
+    // GPE's window manager doesn't like size hints at all, esp. when the user
+    // has to use the virtual keyboard, so don't constrain size there
+    if (!IsTopLevel())
+#endif
+    {
+        const wxSize minSize = GetMinSize();
+        const wxSize maxSize = GetMaxSize();
+        if (minSize.x > 0 && m_width  < minSize.x) m_width  = minSize.x;
+        if (minSize.y > 0 && m_height < minSize.y) m_height = minSize.y;
+        if (maxSize.x > 0 && m_width  > maxSize.x) m_width  = maxSize.x;
+        if (maxSize.y > 0 && m_height > maxSize.y) m_height = maxSize.y;
+    }
+}
+
 void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid window") );
@@ -2657,15 +2674,7 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
     if (height != -1)
         m_height = height;
 
-    int minWidth  = GetMinWidth(),
+    ConstrainSize();
-        minHeight = GetMinHeight(),
-        maxWidth  = GetMaxWidth(),
-        maxHeight = GetMaxHeight();
-
-    if ((minWidth  != -1) && (m_width  < minWidth )) m_width  = minWidth;
-    if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
-    if ((maxWidth  != -1) && (m_width  > maxWidth )) m_width  = maxWidth;
-    if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 
 #if wxUSE_TOOLBAR_NATIVE
     if (wxDynamicCast(GetParent(), wxToolBar))