don't show scrollbars at all when the window is big enough

[wxWidgets.git] / src / msw / toplevel.cpp

diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index 4d4dbf1e17709276db5c48d5cf17aa44e1d9d6c8..6df54650629d8efcfd7935737cd3c45fda001a25 100644 (file)
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -152,16 +152,19 @@ long wxTopLevelWindowMSW::MSWGetCreateWindowFlags(long *exflags) const
     {
         *exflags = MakeExtendedStyle(style);
 
-        // make all frames appear in the win9x shell taskbar unless
-        // wxFRAME_TOOL_WINDOW or wxFRAME_NO_TASKBAR is given - without giving
-        // them WS_EX_APPWINDOW style, the child (i.e. owned) frames wouldn't
-        // appear in it
 #if !defined(__WIN16__) && !defined(__SC__)
-        if ( (style & wxFRAME_TOOL_WINDOW) || (style & wxFRAME_NO_TASKBAR) )
-            *exflags |= WS_EX_TOOLWINDOW;
-        else if ( !(style & wxFRAME_NO_TASKBAR) )
-            *exflags |= WS_EX_APPWINDOW;
-#endif
+        if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
+        {
+            // make all frames appear in the win9x shell taskbar unless
+            // wxFRAME_TOOL_WINDOW or wxFRAME_NO_TASKBAR is given - without
+            // giving them WS_EX_APPWINDOW style, the child (i.e. owned) frames
+            // wouldn't appear in it
+            if ( (style & wxFRAME_TOOL_WINDOW) || (style & wxFRAME_NO_TASKBAR) )
+                *exflags |= WS_EX_TOOLWINDOW;
+            else if ( !(style & wxFRAME_NO_TASKBAR) )
+                *exflags |= WS_EX_APPWINDOW;
+        }
+#endif // !Win16
 
         if ( style & wxSTAY_ON_TOP )
             *exflags |= WS_EX_TOPMOST;
@@ -249,28 +252,39 @@ bool wxTopLevelWindowMSW::CreateDialog(const wxChar *dlgTemplate,
 
     // move the dialog to its initial position without forcing repainting
     int x, y, w, h;
-    if ( MSWGetCreateWindowCoords(pos, size, x, y, w, h) )
+    if ( !MSWGetCreateWindowCoords(pos, size, x, y, w, h) )
     {
-        // we can't use CW_USEDEFAULT here as we're not calling CreateWindow()
-        // and passing CW_USEDEFAULT to MoveWindow() results in resizing the
-        // window to (0, 0) size which breaks quite a lot of things, e.g. the
-        // sizer calculation in wxSizer::Fit()
-        if ( w == CW_USEDEFAULT )
-        {
-            // the exact number doesn't matter, the dialog will be resized
-            // again soon anyhow but it should be big enough to allow
-            // calculation relying on "totalSize - clientSize > 0" work, i.e.
-            // at least greater than the title bar height
-            w =
-            h = 100;
-        }
+        x =
+        w = (int)CW_USEDEFAULT;
+    }
 
-        if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
-        {
-            wxLogLastError(wxT("MoveWindow"));
-        }
+    // we can't use CW_USEDEFAULT here as we're not calling CreateWindow()
+    // and passing CW_USEDEFAULT to MoveWindow() results in resizing the
+    // window to (0, 0) size which breaks quite a lot of things, e.g. the
+    // sizer calculation in wxSizer::Fit()
+    if ( w == (int)CW_USEDEFAULT )
+    {
+        // the exact number doesn't matter, the dialog will be resized
+        // again soon anyhow but it should be big enough to allow
+        // calculation relying on "totalSize - clientSize > 0" work, i.e.
+        // at least greater than the title bar height
+        w =
+        h = 100;
+    }
+
+    if ( x == (int)CW_USEDEFAULT )
+    {
+        // centre it on the screen - what else can we do?
+        wxSize sizeDpy = wxGetDisplaySize();
+
+        x = (sizeDpy.x - w) / 2;
+        y = (sizeDpy.y - h) / 2;
+    }
+
+    if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
+    {
+        wxLogLastError(wxT("MoveWindow"));
     }
-    //else: leave it at default position
 
     if ( !title.empty() )
     {
@@ -591,3 +605,37 @@ void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
     }
 #endif // __WIN95__
 }
+
+bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
+{
+#ifndef __WXMICROWIN__
+    // get system (a.k.a. window) menu
+    HMENU hmenu = ::GetSystemMenu(GetHwnd(), FALSE /* get it */);
+    if ( !hmenu )
+    {
+        wxLogLastError(_T("GetSystemMenu"));
+
+        return FALSE;
+    }
+
+    // enabling/disabling the close item from it also automatically
+    // disables/enables the close title bar button
+    if ( ::EnableMenuItem(hmenu, SC_CLOSE,
+                          MF_BYCOMMAND |
+                          (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
+    {
+        wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
+
+        return FALSE;
+    }
+
+    // update appearance immediately
+    if ( !::DrawMenuBar(GetHwnd()) )
+    {
+        wxLogLastError(_T("DrawMenuBar"));
+    }
+#endif // !__WXMICROWIN__
+
+    return TRUE;
+}
+