Michael Fieldings patch 598106 applied in part

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

diff --git a/src/x11/window.cpp b/src/x11/window.cpp
index 9fa7e4d83fc598d9ac8478990fed9f005d8a85f4..ad5607f4d2e0c72d6cd4261d45ce75100c078f5a 100644 (file)
--- a/src/x11/window.cpp
+++ b/src/x11/window.cpp
@@ -127,15 +127,6 @@ bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 
     parent->AddChild(this);
 
-    int w = size.GetWidth();
-    int h = size.GetHeight();
-    int x = size.GetX();
-    int y = size.GetY();
-    if (w == -1) w = 20;
-    if (h == -1) h = 20;
-    if (x == -1) x = 0;
-    if (y == -1) y = 0;
-
     Display *xdisplay = (Display*) wxGlobalDisplay();
     int xscreen = DefaultScreen( xdisplay );
     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
@@ -147,7 +138,7 @@ bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
     m_foregroundColour = *wxBLACK;
     m_foregroundColour.CalcPixel( (WXColormap) cm ); 
 
-    Window xparent = (Window) parent->GetClientWindow();
+    Window xparent = (Window) parent->GetClientAreaWindow();
     
     // Add window's own scrollbars to main window, not to client window
     if (parent->GetInsertIntoMain())
@@ -156,17 +147,19 @@ bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
         xparent = (Window) parent->GetMainWindow();
     }
     
+    // Size (not including the border) must be nonzero (or a Value error results)!
+    // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
     wxSize size2(size);
-    if (size2.x == -1)
-       size2.x = 20;
-    if (size2.y == -1)
-       size2.y = 20;
+    if (size2.x <= 0)
+           size2.x = 20;
+    if (size2.y <= 0)
+           size2.y = 20;
 
     wxPoint pos2(pos);
     if (pos2.x == -1)
-       pos2.x = 0;
+           pos2.x = 0;
     if (pos2.y == -1)
-       pos2.y = 0;
+           pos2.y = 0;
     
 #if wxUSE_TWO_WINDOWS
     bool need_two_windows = 
@@ -242,18 +235,26 @@ bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
             pos2.y = 2;
             size2.x -= 4;
             size2.y -= 4;
-        } else
-        if (HasFlag( wxSIMPLE_BORDER ))
+        } 
+        else if (HasFlag( wxSIMPLE_BORDER ))
         {
             pos2.x = 1;
             pos2.y = 1;
             size2.x -= 2;
             size2.y -= 2;
-        } else
+        } 
+        else
         {
             pos2.x = 0;
             pos2.y = 0;
         }
+
+        // Make again sure the size is nonzero.
+        if (size2.x <= 0)
+            size2.x = 1;
+        if (size2.y <= 0)
+            size2.y = 1;
+
 #if wxUSE_NANOX        
         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
@@ -602,7 +603,7 @@ void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
         m_clearRegion.Intersect( 0, 0, cw, ch );
     }
     
-    Window xwindow = (Window) GetClientWindow();
+    Window xwindow = (Window) GetClientAreaWindow();
 
     wxCHECK_RET( xwindow, wxT("invalid window") );
 
@@ -1129,7 +1130,7 @@ void wxWindowX11::SendEraseEvents()
     if (!GetEventHandler()->ProcessEvent(erase_event) )
     {
         Display *xdisplay = wxGlobalDisplay();
-        Window xwindow = (Window) GetClientWindow();
+        Window xwindow = (Window) GetClientAreaWindow();
         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
         
         wxRegionIterator upd( m_clearRegion );
@@ -1267,7 +1268,7 @@ bool wxAddWindowToTable(Window w, wxWindow *win)
     wxWidgetHashTable->Put((long) w, win);
 
     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
-               w, win, win->GetClassInfo()->GetClassName());
+               (unsigned int) w, win, win->GetClassInfo()->GetClassName());
 
     return TRUE;
 }
@@ -1299,7 +1300,7 @@ bool wxAddClientWindowToTable(Window w, wxWindow *win)
     wxClientWidgetHashTable->Put((long) w, win);
 
     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
-               w, win, win->GetClassInfo()->GetClassName());
+               (unsigned int) w, win, win->GetClassInfo()->GetClassName());
 
     return TRUE;
 }
@@ -1327,7 +1328,7 @@ WXWindow wxWindowX11::GetMainWindow() const
     return m_mainWindow;
 }
 
-WXWindow wxWindowX11::GetClientWindow() const
+WXWindow wxWindowX11::GetClientAreaWindow() const
 {
     return m_clientWindow;
 }