Use system colours

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

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 64bf883fc57404a29a6b6bc3308e33c6f11806ec..07f84ec60e97565a3e689aa03ba532cef2e66fd5 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        src/msw/windows.cpp
-// Purpose:     wxWindow
+// Name:        src/msw/window.cpp
+// Purpose:     wxWindowMSW

 // Author:      Julian Smart
 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
 // Created:     04/01/98
 // Author:      Julian Smart
 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
 // Created:     04/01/98


@@ -17,10 +17,6 @@
 // headers
 // ---------------------------------------------------------------------------
 
 // headers
 // ---------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "window.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -127,6 +123,14 @@
 // by setting this to 0 (in the future this should be removed completely)
 #define USE_DEFERRED_SIZING 1
 
 // by setting this to 0 (in the future this should be removed completely)
 #define USE_DEFERRED_SIZING 1
 

+// set this to 1 to filter out duplicate mouse events, e.g. mouse move events
+// when mouse position didnd't change
+#ifdef __WXWINCE__
+    #define wxUSE_MOUSEEVENT_HACK 0
+#else
+    #define wxUSE_MOUSEEVENT_HACK 1
+#endif
+

 // ---------------------------------------------------------------------------
 // global variables
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // global variables
 // ---------------------------------------------------------------------------


@@ -145,6 +149,18 @@ extern const wxChar *wxCanvasClassName;
 // wxGetStdColourMap() and wxWindow::OnSysColourChanged()           (FIXME-MT)
 static bool gs_hasStdCmap = false;
 
 // wxGetStdColourMap() and wxWindow::OnSysColourChanged()           (FIXME-MT)
 static bool gs_hasStdCmap = false;
 

+// last mouse event information we need to filter out the duplicates
+#if wxUSE_MOUSEEVENT_HACK
+static struct MouseEventInfoDummy
+{
+    // mouse position (in screen coordinates)
+    wxPoint pos;
+
+    // last mouse event type
+    wxEventType type;
+} gs_lastMouseEvent;
+#endif // wxUSE_MOUSEEVENT_HACK
+

 // ---------------------------------------------------------------------------
 // private functions
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // private functions
 // ---------------------------------------------------------------------------


@@ -204,7 +220,7 @@ static void EnsureParentHasControlParentStyle(wxWindow *parent)
        get back to the initial (focused) window: as we do have this style,
        GetNextDlgTabItem() will leave this window and continue in its parent,
        but if the parent doesn't have it, it wouldn't recurse inside it later
        get back to the initial (focused) window: as we do have this style,
        GetNextDlgTabItem() will leave this window and continue in its parent,
        but if the parent doesn't have it, it wouldn't recurse inside it later

-       on and so wouldn't have a chance of getting back to this window neither.
+       on and so wouldn't have a chance of getting back to this window either.

      */
     while ( parent && !parent->IsTopLevel() )
     {
      */
     while ( parent && !parent->IsTopLevel() )
     {


@@ -378,7 +394,7 @@ wxWindow *wxWindowMSW::FindItem(long id) const
     wxControl *item = wxDynamicCastThis(wxControl);
     if ( item )
     {
     wxControl *item = wxDynamicCastThis(wxControl);
     if ( item )
     {

-        // is it we or one of our "internal" children?
+        // is it us or one of our "internal" children?

         if ( item->GetId() == id
 #ifndef __WXUNIVERSAL__
                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)
         if ( item->GetId() == id
 #ifndef __WXUNIVERSAL__
                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)


@@ -466,12 +482,6 @@ void wxWindowMSW::Init()
     m_xThumbSize = 0;
     m_yThumbSize = 0;
 
     m_xThumbSize = 0;
     m_yThumbSize = 0;
 

-#if wxUSE_MOUSEEVENT_HACK
-    m_lastMouseX =
-    m_lastMouseY = -1;
-    m_lastMouseEvent = -1;
-#endif // wxUSE_MOUSEEVENT_HACK
-

     m_pendingPosition = wxDefaultPosition;
     m_pendingSize = wxDefaultSize;
 }
     m_pendingPosition = wxDefaultPosition;
     m_pendingSize = wxDefaultSize;
 }


@@ -503,7 +513,7 @@ wxWindowMSW::~wxWindowMSW()
 #endif // __WXUNIVERSAL__
 
     // VS: destroy children first and _then_ detach *this from its parent.
 #endif // __WXUNIVERSAL__
 
     // VS: destroy children first and _then_ detach *this from its parent.

-    //     If we'd do it the other way around, children wouldn't be able
+    //     If we did it the other way around, children wouldn't be able

     //     find their parent frame (see above).
     DestroyChildren();
 
     //     find their parent frame (see above).
     DestroyChildren();
 


@@ -655,7 +665,7 @@ bool wxWindowMSW::Enable(bool enable)
 
         if ( enable )
         {
 
         if ( enable )
         {

-            // enable the child back unless it had been disabled before us
+            // re-enable the child unless it had been disabled before us

             if ( !m_childrenDisabled || !m_childrenDisabled->Find(child) )
                 child->Enable();
         }
             if ( !m_childrenDisabled || !m_childrenDisabled->Find(child) )
                 child->Enable();
         }


@@ -694,12 +704,18 @@ bool wxWindowMSW::Show(bool show)
         return false;
 
     HWND hWnd = GetHwnd();
         return false;
 
     HWND hWnd = GetHwnd();

-    int cshow = show ? SW_SHOW : SW_HIDE;
-    ::ShowWindow(hWnd, cshow);

 
 

-    if ( show && IsTopLevel() )
+    // we could be called before the underlying window is created (this is
+    // actually useful to prevent it from being initially shown), e.g.
+    //
+    //      wxFoo *foo = new wxFoo;
+    //      foo->Hide();
+    //      foo->Create(parent, ...);
+    //
+    // should work without errors
+    if ( hWnd )

     {
     {

-        wxBringWindowToTop(hWnd);
+        ::ShowWindow(hWnd, show ? SW_SHOW : SW_HIDE);

     }
 
     return true;
     }
 
     return true;


@@ -718,16 +734,6 @@ void wxWindowMSW::Lower()
                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 }
 
                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 }
 

-void wxWindowMSW::SetTitle( const wxString& title)
-{
-    SetWindowText(GetHwnd(), title.c_str());
-}
-
-wxString wxWindowMSW::GetTitle() const
-{
-    return wxGetWindowText(GetHWND());
-}
-

 void wxWindowMSW::DoCaptureMouse()
 {
     HWND hWnd = GetHwnd();
 void wxWindowMSW::DoCaptureMouse()
 {
     HWND hWnd = GetHwnd();


@@ -800,7 +806,7 @@ bool wxWindowMSW::SetCursor(const wxCursor& cursor)
     return true;
 }
 
     return true;
 }
 

-void wxWindowMSW::WarpPointer (int x, int y)
+void wxWindowMSW::WarpPointer(int x, int y)

 {
     ClientToScreen(&x, &y);
 
 {
     ClientToScreen(&x, &y);
 


@@ -810,6 +816,26 @@ void wxWindowMSW::WarpPointer (int x, int y)
     }
 }
 
     }
 }
 

+void wxWindowMSW::MSWUpdateUIState(int action, int state)
+{
+    // WM_CHANGEUISTATE only appeared in Windows 2000 so it can do us no good
+    // to use it on older systems -- and could possibly do some harm
+    static int s_needToUpdate = -1;
+    if ( s_needToUpdate == -1 )
+    {
+        int verMaj, verMin;
+        s_needToUpdate = wxGetOsVersion(&verMaj, &verMin) == wxWINDOWS_NT &&
+                            verMaj >= 5;
+    }
+
+    if ( s_needToUpdate )
+    {
+        // we send WM_CHANGEUISTATE so if nothing needs changing then the system
+        // won't send WM_UPDATEUISTATE
+        ::SendMessage(GetHwnd(), WM_CHANGEUISTATE, MAKEWPARAM(action, state), 0);
+    }
+}
+

 // ---------------------------------------------------------------------------
 // scrolling stuff
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // scrolling stuff
 // ---------------------------------------------------------------------------


@@ -822,15 +848,10 @@ inline int GetScrollPosition(HWND hWnd, int wOrient)
     WinStruct<SCROLLINFO> scrollInfo;
     scrollInfo.cbSize = sizeof(SCROLLINFO);
     scrollInfo.fMask = SIF_POS;
     WinStruct<SCROLLINFO> scrollInfo;
     scrollInfo.cbSize = sizeof(SCROLLINFO);
     scrollInfo.fMask = SIF_POS;

-    if ( !::GetScrollInfo(hWnd,
-                          wOrient,
-                          &scrollInfo) )
-    {
-        // Not necessarily an error, if there are no scrollbars yet.
-        // wxLogLastError(_T("GetScrollInfo"));
-    }
+    ::GetScrollInfo(hWnd, wOrient, &scrollInfo );
+

     return scrollInfo.nPos;
     return scrollInfo.nPos;

-//    return ::GetScrollPos(hWnd, wOrient);
+

 #endif
 }
 
 #endif
 }
 


@@ -1013,7 +1034,7 @@ void wxWindowMSW::SubclassWin(WXHWND hWnd)
     }
     else
     {
     }
     else
     {

-        // don't bother restoring it neither: this also makes it easy to
+        // don't bother restoring it either: this also makes it easy to

         // implement IsOfStandardClass() method which returns true for the
         // standard controls and false for the wxWidgets own windows as it can
         // simply check m_oldWndProc
         // implement IsOfStandardClass() method which returns true for the
         // standard controls and false for the wxWidgets own windows as it can
         // simply check m_oldWndProc


@@ -1094,8 +1115,8 @@ bool wxCheckWindowWndProc(WXHWND hWnd,
         str == wxMDIChildFrameClassNameNoRedraw ||
         str == _T("wxTLWHiddenParent"))
         return true; // Effectively means don't subclass
         str == wxMDIChildFrameClassNameNoRedraw ||
         str == _T("wxTLWHiddenParent"))
         return true; // Effectively means don't subclass

-    else
-        return false;
+
+    return false;

 #else
     WNDCLASS cls;
     if ( !::GetClassInfo(wxGetInstance(), wxGetWindowClass(hWnd), &cls) )
 #else
     WNDCLASS cls;
     if ( !::GetClassInfo(wxGetInstance(), wxGetWindowClass(hWnd), &cls) )


@@ -1177,7 +1198,7 @@ WXDWORD wxWindowMSW::MSWGetStyle(long flags, WXDWORD *exstyle) const
 
     // using this flag results in very significant reduction in flicker,
     // especially with controls inside the static boxes (as the interior of the
 
     // using this flag results in very significant reduction in flicker,
     // especially with controls inside the static boxes (as the interior of the

-    // box is not redrawn twice).but sometimes results in redraw problems, so
+    // box is not redrawn twice), but sometimes results in redraw problems, so

     // optionally allow the old code to continue to use it provided a special
     // system option is turned on
     if ( !wxSystemOptions::GetOptionInt(wxT("msw.window.no-clip-children"))
     // optionally allow the old code to continue to use it provided a special
     // system option is turned on
     if ( !wxSystemOptions::GetOptionInt(wxT("msw.window.no-clip-children"))


@@ -1421,7 +1442,7 @@ void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
 }
 #endif // wxUSE_DRAG_AND_DROP
 
 }
 #endif // wxUSE_DRAG_AND_DROP
 

-// old style file-manager drag&drop support: we retain the old-style
+// old-style file manager drag&drop support: we retain the old-style

 // DragAcceptFiles in parallel with SetDropTarget.
 void wxWindowMSW::DragAcceptFiles(bool WXUNUSED_IN_WINCE(accept))
 {
 // DragAcceptFiles in parallel with SetDropTarget.
 void wxWindowMSW::DragAcceptFiles(bool WXUNUSED_IN_WINCE(accept))
 {


@@ -1714,7 +1735,7 @@ void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 
 void wxWindowMSW::DoSetClientSize(int width, int height)
 {
 
 void wxWindowMSW::DoSetClientSize(int width, int height)
 {

-    // setting the client size is less obvious than it it could have been
+    // setting the client size is less obvious than it could have been

     // because in the result of changing the total size the window scrollbar
     // may [dis]appear and/or its menubar may [un]wrap and so the client size
     // will not be correct as the difference between the total and client size
     // because in the result of changing the total size the window scrollbar
     // may [dis]appear and/or its menubar may [un]wrap and so the client size
     // will not be correct as the difference between the total and client size


@@ -1882,7 +1903,7 @@ bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)
 #endif
     ::TrackPopupMenu(hMenu, flags, point.x, point.y, 0, hWnd, NULL);
 
 #endif
     ::TrackPopupMenu(hMenu, flags, point.x, point.y, 0, hWnd, NULL);
 

-    // we need to do it righ now as otherwise the events are never going to be
+    // we need to do it right now as otherwise the events are never going to be

     // sent to wxCurrentPopupMenu from HandleCommand()
     //
     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
     // sent to wxCurrentPopupMenu from HandleCommand()
     //
     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't


@@ -2023,6 +2044,12 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
                             else // no default button
 #endif // wxUSE_BUTTON
                             {
                             else // no default button
 #endif // wxUSE_BUTTON
                             {

+#ifdef __WXWINCE__
+                                wxJoystickEvent event(wxEVT_JOY_BUTTON_DOWN);
+                                event.SetEventObject(this);
+                                if(GetEventHandler()->ProcessEvent(event))
+                                    return true;
+#endif

                                 // this is a quick and dirty test for a text
                                 // control
                                 if ( !(lDlgCode & DLGC_HASSETSEL) )
                                 // this is a quick and dirty test for a text
                                 // control
                                 if ( !(lDlgCode & DLGC_HASSETSEL) )


@@ -2061,6 +2088,11 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
 
                 if ( GetEventHandler()->ProcessEvent(event) )
                 {
 
                 if ( GetEventHandler()->ProcessEvent(event) )
                 {

+                    // as we don't call IsDialogMessage(), which would take of
+                    // this by default, we need to manually send this message
+                    // so that controls can change their UI state if needed
+                    MSWUpdateUIState(UIS_CLEAR, UISF_HIDEFOCUS);
+

                     return true;
                 }
             }
                     return true;
                 }
             }


@@ -2074,7 +2106,7 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
         {
             // ::IsDialogMessage() is broken and may sometimes hang the
             // application by going into an infinite loop, so we try to detect
         {
             // ::IsDialogMessage() is broken and may sometimes hang the
             // application by going into an infinite loop, so we try to detect

-            // [some of] the situatations when this may happen and not call it
+            // [some of] the situations when this may happen and not call it

             // then
 
             // assume we can call it by default
             // then
 
             // assume we can call it by default


@@ -2095,7 +2127,7 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
 #if !defined(__WXWINCE__)
             if ( ::GetWindowLong(hwndFocus, GWL_EXSTYLE) & WS_EX_CONTROLPARENT )
             {
 #if !defined(__WXWINCE__)
             if ( ::GetWindowLong(hwndFocus, GWL_EXSTYLE) & WS_EX_CONTROLPARENT )
             {

-                // passimistic by default
+                // pessimistic by default

                 canSafelyCallIsDlgMsg = false;
                 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
                       node;
                 canSafelyCallIsDlgMsg = false;
                 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
                       node;


@@ -2645,7 +2677,7 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
             {
                 switch ( wParam )
                 {
             {
                 switch ( wParam )
                 {

-                    // we consider these message "not interesting" to OnChar, so
+                    // we consider these messages "not interesting" to OnChar, so

                     // just don't do anything more with them
                     case VK_SHIFT:
                     case VK_CONTROL:
                     // just don't do anything more with them
                     case VK_SHIFT:
                     case VK_CONTROL:


@@ -3165,8 +3197,6 @@ bool wxWindowMSW::MSWCreate(const wxChar *wclass,
 // WM_NOTIFY
 // ---------------------------------------------------------------------------
 
 // WM_NOTIFY
 // ---------------------------------------------------------------------------
 

-#ifdef __WIN95__
-

 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
 #ifndef __WXMICROWIN__
 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
 #ifndef __WXMICROWIN__


@@ -3310,8 +3340,6 @@ bool wxWindowMSW::MSWOnNotify(int WXUNUSED(idCtrl),
     return false;
 }
 
     return false;
 }
 

-#endif // __WIN95__
-

 // ---------------------------------------------------------------------------
 // end session messages
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // end session messages
 // ---------------------------------------------------------------------------


@@ -3500,6 +3528,20 @@ bool wxWindowMSW::HandleKillFocus(WXHWND hwnd)
     return GetEventHandler()->ProcessEvent(event);
 }
 
     return GetEventHandler()->ProcessEvent(event);
 }
 

+// ---------------------------------------------------------------------------
+// labels
+// ---------------------------------------------------------------------------
+
+void wxWindowMSW::SetLabel( const wxString& label)
+{
+    SetWindowText(GetHwnd(), label.c_str());
+}
+
+wxString wxWindowMSW::GetLabel() const
+{
+    return wxGetWindowText(GetHWND());
+}
+

 // ---------------------------------------------------------------------------
 // miscellaneous
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // miscellaneous
 // ---------------------------------------------------------------------------


@@ -4469,9 +4511,8 @@ void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
     event.SetId(GetId());
 
 #if wxUSE_MOUSEEVENT_HACK
     event.SetId(GetId());
 
 #if wxUSE_MOUSEEVENT_HACK

-    m_lastMouseX = x;
-    m_lastMouseY = y;
-    m_lastMouseEvent = event.GetEventType();
+    gs_lastMouseEvent.pos = ClientToScreen(wxPoint(x, y));
+    gs_lastMouseEvent.type = event.GetEventType();

 #endif // wxUSE_MOUSEEVENT_HACK
 }
 
 #endif // wxUSE_MOUSEEVENT_HACK
 }
 


@@ -4597,19 +4638,36 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
             (void)GetEventHandler()->ProcessEvent(event);
         }
     }
             (void)GetEventHandler()->ProcessEvent(event);
         }
     }

+#ifdef HAVE_TRACKMOUSEEVENT
+    else
+    {
+        // Check if we need to send a LEAVE event
+        // Windows doesn't send WM_MOUSELEAVE if the mouse has been captured so
+        // send it here if we are using native mouse leave tracking
+        if ( HasCapture() && !IsMouseInWindow() )
+        {
+            GenerateMouseLeave();
+        }
+    }
+#endif // HAVE_TRACKMOUSEEVENT

 
 #if wxUSE_MOUSEEVENT_HACK
 
 #if wxUSE_MOUSEEVENT_HACK

-    // Window gets a click down message followed by a mouse move message even
-    // if position isn't changed!  We want to discard the trailing move event
-    // if x and y are the same.
-    if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
-          m_lastMouseEvent == wxEVT_LEFT_DOWN ||
-          m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
-         (m_lastMouseX == x && m_lastMouseY == y) )
-    {
-        m_lastMouseEvent = wxEVT_MOTION;
+    // Windows often generates mouse events even if mouse position hasn't
+    // changed (http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/66576)
+    //
+    // Filter this out as it can result in unexpected behaviour compared to
+    // other platforms
+    if ( gs_lastMouseEvent.type == wxEVT_RIGHT_DOWN ||
+         gs_lastMouseEvent.type == wxEVT_LEFT_DOWN ||
+         gs_lastMouseEvent.type == wxEVT_MIDDLE_DOWN ||
+         gs_lastMouseEvent.type == wxEVT_MOTION )
+    {
+        if ( ClientToScreen(wxPoint(x, y)) == gs_lastMouseEvent.pos )
+        {
+            gs_lastMouseEvent.type = wxEVT_MOTION;

 
 

-        return false;
+            return false;
+        }

     }
 #endif // wxUSE_MOUSEEVENT_HACK
 
     }
 #endif // wxUSE_MOUSEEVENT_HACK
 


@@ -6140,4 +6198,3 @@ void wxWindowMSW::OnInitDialog( wxInitDialogEvent& event )
     event.Skip();
 }
 #endif
     event.Skip();
 }
 #endif

-