fix from Robert for extra refreshes

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

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 635b50885cae8f482d5ad5414ef113b20c781773..c7b28bac0bea9d4a1fb165304d704a82da873822 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -316,6 +316,8 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
     msflags |= WS_CHILD | WS_VISIBLE;
     if ( style & wxCLIP_CHILDREN )
         msflags |= WS_CLIPCHILDREN;
+    if ( style & wxCLIP_SIBLINGS )
+        msflags |= WS_CLIPSIBLINGS;
 
     bool want3D;
     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
@@ -990,7 +992,13 @@ void wxWindow::OnIdle(wxIdleEvent& event)
                 state |= MK_SHIFT;
             if ( wxIsCtrlDown() )
                 state |= MK_CONTROL;
-
+            if ( GetKeyState( VK_LBUTTON ) )
+                state |= MK_LBUTTON;
+            if ( GetKeyState( VK_MBUTTON ) )
+                state |= MK_MBUTTON;
+            if ( GetKeyState( VK_RBUTTON ) )
+                state |= MK_RBUTTON;
+  
             wxMouseEvent event(wxEVT_LEAVE_WINDOW);
             InitMouseEvent(event, pt.x, pt.y, state);
 
@@ -2162,6 +2170,36 @@ long wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
                 rc.result = TRUE;
             }
             break;
+#ifdef __WIN32__
+        case WM_HELP:
+        {
+            HELPINFO* info = (HELPINFO*) lParam;
+            // Don't yet process menu help events, just windows
+            if (info->iContextType == HELPINFO_WINDOW)
+            {
+                wxWindow* subjectOfHelp = this;
+                bool eventProcessed = FALSE;
+                while (subjectOfHelp && !eventProcessed)
+                {
+                    wxHelpEvent helpEvent(wxEVT_HELP, subjectOfHelp->GetId(), wxPoint(info->MousePos.x, info->MousePos.y) ) ; // info->iCtrlId);
+                    helpEvent.SetEventObject(this);
+                    eventProcessed = GetEventHandler()->ProcessEvent(helpEvent);
+
+                    // Go up the window hierarchy until the event is handled (or not)
+                    subjectOfHelp = subjectOfHelp->GetParent();
+                }
+                processed = eventProcessed;
+            }
+            else if (info->iContextType == HELPINFO_MENUITEM)
+            {
+                wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId) ;
+                helpEvent.SetEventObject(this);
+                processed = GetEventHandler()->ProcessEvent(helpEvent);
+            }
+            else processed = FALSE;
+            break;
+        }
+#endif
     }
 
     if ( !processed )
@@ -2346,6 +2384,29 @@ bool wxWindow::MSWCreate(int id,
 
             return FALSE;
         }
+        if (extendedStyle != 0)
+        {
+            ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle);
+            ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
+                SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
+        }
+#if defined(__WIN95__)
+        // For some reason, the system menu is activated when we use the
+        // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
+        if (extendedStyle & WS_EX_CONTEXTHELP)
+        {
+            if (wxTheApp->GetTopWindow() && (wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame))))
+            {
+                wxIcon icon = ((wxFrame*)wxTheApp->GetTopWindow())->GetIcon();
+                if (icon.Ok())
+                    SendMessage(GetHwnd(), WM_SETICON,
+                        (WPARAM)TRUE, (LPARAM)(HICON) icon.GetHICON());
+            }
+        }
+#endif // __WIN95__
+
+
+        // JACS: is the following still necessary? The above seems to work.
 
         // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try
         // to take care of (at least some) extended style flags ourselves
@@ -2760,11 +2821,9 @@ bool wxWindow::HandleSetCursor(WXHWND hWnd,
         // cursor set, stop here
         return TRUE;
     }
-    else
-    {
-        // pass up the window chain
-        return FALSE;
-    }
+
+    // pass up the window chain
+    return FALSE;
 }
 
 // ---------------------------------------------------------------------------
@@ -2946,6 +3005,16 @@ bool wxWindow::HandlePaint()
     return GetEventHandler()->ProcessEvent(event);
 }
 
+// Can be called from an application's OnPaint handler
+void wxWindow::OnPaint(wxPaintEvent& event)
+{
+    HDC hDC = (HDC) wxPaintDC::FindDCInCache((wxWindow*) event.GetEventObject());
+    if (hDC != 0)
+    {
+        MSWDefWindowProc(WM_PAINT, (WPARAM) hDC, 0);
+    }
+}
+
 bool wxWindow::HandleEraseBkgnd(WXHDC hdc)
 {
     // Prevents flicker when dragging
@@ -3157,6 +3226,7 @@ void wxWindow::InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags)
     event.m_leftDown = ((flags & MK_LBUTTON) != 0);
     event.m_middleDown = ((flags & MK_MBUTTON) != 0);
     event.m_rightDown = ((flags & MK_RBUTTON) != 0);
+    event.m_altDown = (::GetKeyState(VK_MENU) & 0x80000000) != 0;
     event.SetTimestamp(s_currentMsg.time);
     event.m_eventObject = this;
 
@@ -4314,3 +4384,38 @@ static TEXTMETRIC wxGetTextMetrics(const wxWindow *win)
 
     return tm;
 }
+
+// Find the wxWindow at the current mouse position, returning the mouse
+// position.
+wxWindow* wxFindWindowAtPointer(wxPoint& pt)
+{
+    return wxFindWindowAtPoint(wxGetMousePosition());
+}
+
+wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
+{
+    POINT pt2;
+    pt2.x = pt.x;
+    pt2.y = pt.y;
+    HWND hWndHit = ::WindowFromPoint(pt2);
+
+    wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
+    HWND hWnd = hWndHit;
+
+    // Try to find a window with a wxWindow associated with it
+    while (!win && (hWnd != 0))
+    {
+        hWnd = ::GetParent(hWnd);
+        win = wxFindWinFromHandle((WXHWND) hWnd) ;
+    }
+    return win;
+}
+
+// Get the current mouse position.
+wxPoint wxGetMousePosition()
+{
+    POINT pt;
+    GetCursorPos( & pt );
+    return wxPoint(pt.x, pt.y);
+}
+