merged optimizations from 2.2

[wxWidgets.git] / src / common / utilscmn.cpp

diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp
index 49c15f328409766841d5ed091a39a822082f497b..77de515356e7e69bc6022444e305ec3834996b7e 100644 (file)
--- a/src/common/utilscmn.cpp
+++ b/src/common/utilscmn.cpp
@@ -66,6 +66,10 @@
 
 #if wxUSE_GUI
     #include "wx/colordlg.h"
+    #include "wx/notebook.h"
+    #include "wx/frame.h"
+    #include "wx/statusbr.h"
+    #include "wx/toolbar.h"
 #endif // wxUSE_GUI
 
 #include <time.h>
@@ -667,6 +671,95 @@ wxFindMenuItemId (wxFrame * frame, const wxString& menuString, const wxString& i
   return menuBar->FindMenuItem (menuString, itemString);
 }
 
+// Try to find the deepest child that contains 'pt'.
+// We go backwards, to try to allow for controls that are spacially
+// within other controls, but are still siblings (e.g. buttons within
+// static boxes). Static boxes are likely to be created _before_ controls
+// that sit inside them.
+wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt)
+{
+    if (!win->IsShown())
+        return NULL;
+
+    // Hack for wxNotebook case: at least in wxGTK, all pages
+    // claim to be shown, so we must only deal with the selected one.
+    if (win->IsKindOf(CLASSINFO(wxNotebook)))
+    {
+      wxNotebook* nb = (wxNotebook*) win;
+      int sel = nb->GetSelection();
+      if (sel >= 0)
+      {
+        wxWindow* child = nb->GetPage(sel);
+        wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
+        if (foundWin)
+           return foundWin;
+      }
+    }
+    /* Doesn't work
+    // Frame case
+    else if (win->IsKindOf(CLASSINFO(wxFrame)))
+    {
+      // Pseudo-children that may not be mentioned in the child list
+      wxWindowList extraChildren;
+      wxFrame* frame = (wxFrame*) win;
+      if (frame->GetStatusBar())
+        extraChildren.Append(frame->GetStatusBar());
+      if (frame->GetToolBar())
+        extraChildren.Append(frame->GetToolBar());
+
+      wxNode* node = extraChildren.First();
+      while (node)
+      {
+          wxWindow* child = (wxWindow*) node->Data();
+          wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
+          if (foundWin)
+            return foundWin;
+          node = node->Next();
+      }
+    }
+    */
+
+    wxNode* node = win->GetChildren().Last();
+    while (node)
+    {
+        wxWindow* child = (wxWindow*) node->Data();
+        wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
+        if (foundWin)
+          return foundWin;
+        node = node->Previous();
+    }
+
+    wxPoint pos = win->GetPosition();
+    wxSize sz = win->GetSize();
+    if (win->GetParent())
+    {
+        pos = win->GetParent()->ClientToScreen(pos);
+    }
+
+    wxRect rect(pos, sz);
+    if (rect.Inside(pt))
+        return win;
+    else
+        return NULL;
+}
+
+wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt)
+{
+    // Go backwards through the list since windows
+    // on top are likely to have been appended most
+    // recently.
+    wxNode* node = wxTopLevelWindows.Last();
+    while (node)
+    {
+        wxWindow* win = (wxWindow*) node->Data();
+        wxWindow* found = wxFindWindowAtPoint(win, pt);
+        if (found)
+            return found;
+        node = node->Previous();
+    }
+    return NULL;
+}
+
 #endif // wxUSE_GUI
 
 /*
@@ -978,17 +1071,6 @@ void wxEnableTopLevelWindows(bool enable)
 
 wxWindowDisabler::wxWindowDisabler(wxWindow *winToSkip)
 {
-#ifdef __WXMSW__
-#ifdef __WIN32__
-    // and the top level window too
-    HWND hwndFG = ::GetForegroundWindow();
-    m_winTop = hwndFG ? wxFindWinFromHandle((WXHWND)hwndFG) : (wxWindow *)NULL;
-#else
-    HWND hwndFG = ::GetTopWindow(0);
-    m_winTop = hwndFG ? wxFindWinFromHandle((WXHWND)hwndFG) : (wxWindow *)NULL;
-#endif
-#endif // MSW
-
     // remember the top level windows which were already disabled, so that we
     // don't reenable them later
     m_winDisabled = NULL;
@@ -1030,29 +1112,6 @@ wxWindowDisabler::~wxWindowDisabler()
     }
 
     delete m_winDisabled;
-
-#ifdef __WXMSW__
-#ifdef __WIN32__
-    if ( m_winTop )
-    {
-        if ( !::SetForegroundWindow(GetHwndOf(m_winTop)) )
-        {
-            wxLogLastError(wxT("SetForegroundWindow"));
-        }
-    }
-#else
-    if ( m_winTop )
-    {
-        // 16-bit SetForegroundWindow() replacement
-        RECT reWin;
-        GetWindowRect((HWND) m_winTop, &reWin);
-        SetWindowPos ((HWND) m_winTop, HWND_TOP,
-                             reWin.left, reWin.top, 
-                             reWin.right - reWin.left, reWin.bottom, 
-                             SWP_SHOWWINDOW);
-    }
-#endif
-#endif // MSW
 }
 
 // Yield to other apps/messages and disable user input to all windows except