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

diff --git a/src/msw/notebook.cpp b/src/msw/notebook.cpp
index 7f4a3e3f17e58944607a4aee921bf0629775eb5d..c027ef2d79af09c84a42a182cc1e02f063e5ca8f 100644 (file)
--- a/src/msw/notebook.cpp
+++ b/src/msw/notebook.cpp
@@ -619,10 +619,11 @@ bool wxNotebook::InsertPage(size_t nPage,
     // succeeded: save the pointer to the page
     m_pages.Insert(pPage, nPage);
 
-    // for the first page (only) we need to adjust the size again because the
-    // notebook size changed: the tabs which hadn't been there before are now
-    // shown
-    if ( m_pages.GetCount() == 1 )
+    // we may need to adjust the size again if the notebook size changed:
+    // normally this only happens for the first page we add (the tabs which
+    // hadn't been there before are now shown) but for a multiline notebook it
+    // can happen for any page at all as a new row could have been started
+    if ( m_pages.GetCount() == 1 || HasFlag(wxNB_MULTILINE) )
     {
         AdjustPageSize(pPage);
     }
@@ -698,6 +699,29 @@ void wxNotebook::OnSize(wxSizeEvent& event)
   rc.left = rc.top = 0;
   GetSize((int *)&rc.right, (int *)&rc.bottom);
 
+  // there seems to be a bug in the implementation of TabCtrl_AdjustRect(): it
+  // returns completely false values for multiline tab controls after the tabs
+  // are added but before getting the first WM_SIZE (off by ~50 pixels, see
+  //
+  // http://sf.net/tracker/index.php?func=detail&aid=645323&group_id=9863&atid=109863
+  //
+  // and the only work around I could find was this ugly hack... without it
+  // simply toggling the "multiline" checkbox in the notebook sample resulted
+  // in a noticeable page displacement
+  if ( HasFlag(wxNB_MULTILINE) )
+  {
+      // avoid an infinite recursion: we get another notification too!
+      static bool s_isInOnSize = false;
+
+      if ( !s_isInOnSize )
+      {
+          s_isInOnSize = true;
+          SendMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED,
+                      MAKELPARAM(rc.right, rc.bottom));
+          s_isInOnSize = false;
+      }
+  }
+
   TabCtrl_AdjustRect(m_hwnd, false, &rc);
 
   int width = rc.right - rc.left,
@@ -918,14 +942,12 @@ wxColour wxNotebook::GetThemeBackgroundColour()
             // This is total guesswork.
             // See PlatformSDK\Include\Tmschema.h for values
             COLORREF themeColor;
-            wxUxThemeEngine::Get()->GetThemeColor
-                                    (
+            wxUxThemeEngine::Get()->GetThemeColor(
                                         hTheme,
                                         10 /* TABP_BODY */,
                                         1 /* NORMAL */,
-                                        3821, /* FILLCOLORHINT */
-                                        & themeColor
-                                    );
+                                        3802 /* color of bg fill */,
+                                        &themeColor);
             
             wxColour colour(GetRValue(themeColor), GetGValue(themeColor), GetBValue(themeColor));
             return colour;
@@ -974,10 +996,11 @@ void wxNotebook::ApplyThemeBackground(wxWindow*, const wxColour&)
 #endif
 }
 
-long wxNotebook::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+#if wxUSE_UXTHEME
+WXLRESULT wxNotebook::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
     static bool g_TestedForTheme = false;
-    static bool g_UseTheme = false;
+    static bool g_supportsThemes = false;
     switch ( nMsg )
     {
         case WM_ERASEBKGND:
@@ -986,19 +1009,25 @@ long wxNotebook::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
             {
                 int commCtrlVersion = wxTheApp->GetComCtl32Version() ;
 
-                g_UseTheme = (commCtrlVersion >= 600);
+                g_supportsThemes = (commCtrlVersion >= 600);
                 g_TestedForTheme = true;
             }
 
-            // If using XP themes, it seems we can get away
+            // If currently an XP theme is active, it seems we can get away
             // with not drawing a background, which reduces flicker.
-            if (g_UseTheme)            
-                return true;
+            if (g_supportsThemes)
+            {
+                wxUxThemeEngine *p = wxUxThemeEngine::Get();
+                if (p && p->IsThemeActive() )
+                {
+                    return true;
+                }
+            }
         }
     }
 
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 }
-
+#endif // #if wxUSE_UXTHEME
 
 #endif // wxUSE_NOTEBOOK