reSWIGged

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

diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp
index 5ceea4334188176231fcbf6379a19701b871b1d0..deb7761c269ec8e67c6caa86e4caad81a3500594 100644 (file)
--- a/src/msw/statbox.cpp
+++ b/src/msw/statbox.cpp
@@ -38,15 +38,11 @@
 #include "wx/statbox.h"
 #include "wx/notebook.h"
 #include "wx/sysopt.h"
 #include "wx/statbox.h"
 #include "wx/notebook.h"
 #include "wx/sysopt.h"

+#include "wx/image.h"
+#include "wx/dcmemory.h"

 
 #include "wx/msw/private.h"
 
 
 #include "wx/msw/private.h"
 

-// under CE this style is not defined but we don't need to make static boxes
-// transparent there neither
-#ifndef WS_EX_TRANSPARENT
-    #define WS_EX_TRANSPARENT 0
-#endif
-

 // ----------------------------------------------------------------------------
 // wxWin macros
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxWin macros
 // ----------------------------------------------------------------------------


@@ -125,6 +121,8 @@ bool wxStaticBox::Create(wxWindow *parent,
     if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
         return false;
 
     if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
         return false;
 

+    Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint));
+

     return true;
 }
 
     return true;
 }
 


@@ -132,8 +130,12 @@ WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
     long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle);
 
 {
     long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle);
 

+    // no need for it anymore, must be removed for wxRadioBox child
+    // buttons to be able to repaint themselves
+    styleWin &= ~WS_CLIPCHILDREN;
+

     if ( exstyle )
     if ( exstyle )

-        *exstyle = WS_EX_TRANSPARENT;
+        *exstyle = 0;

 
     return styleWin | BS_GROUPBOX;
 }
 
     return styleWin | BS_GROUPBOX;
 }


@@ -155,34 +157,187 @@ wxSize wxStaticBox::DoGetBestSize() const
 WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
 #ifndef __WXWINCE__
 WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
 #ifndef __WXWINCE__

-    switch ( nMsg )
+    if ( nMsg == WM_NCHITTEST )

     {
     {

-        case WM_NCHITTEST:
-            {
-                // This code breaks some other processing such as enter/leave tracking
-                // so it's off by default.
-                                
-                static int s_useHTClient = -1;
-                if (s_useHTClient == -1)
-                    s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbox.htclient"));
-                if (s_useHTClient == 1)
-                {
-                    int xPos = LOWORD(lParam);  // horizontal position of cursor
-                    int yPos = HIWORD(lParam);  // vertical position of cursor
+        // This code breaks some other processing such as enter/leave tracking
+        // so it's off by default.
+
+        static int s_useHTClient = -1;
+        if (s_useHTClient == -1)
+            s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbox.htclient"));
+        if (s_useHTClient == 1)
+        {
+            int xPos = LOWORD(lParam);  // horizontal position of cursor
+            int yPos = HIWORD(lParam);  // vertical position of cursor
+
+            ScreenToClient(&xPos, &yPos);
+
+            // Make sure you can drag by the top of the groupbox, but let
+            // other (enclosed) controls get mouse events also
+            if ( yPos < 10 )
+                return (long)HTCLIENT;
+        }
+    }
+#endif // !__WXWINCE__
+
+    return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+}
+
+void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
+{
+    wxStaticBoxBase::GetBordersForSizer(borderTop, borderOther);
+
+    // if not using correct (but backwards cojmpatible) text metrics
+    // calculations, we need to add some extra margin or otherwise static box
+    // title is clipped
+#if !wxDIALOG_UNIT_COMPATIBILITY
+    if ( !GetLabel().empty() )
+        *borderTop += GetCharHeight()/3;
+#endif // !wxDIALOG_UNIT_COMPATIBILITY
+}
+
+// MSWGetRegionWithoutSelf helper: removes the given rectangle from region
+static inline void
+SubtractRectFromRgn(HRGN hrgn, int left, int top, int right, int bottom)
+{
+    AutoHRGN hrgnRect(::CreateRectRgn(left, top, right, bottom));
+    if ( !hrgnRect )
+    {
+        wxLogLastError(_T("CreateRectRgn()"));
+        return;
+    }
+
+    ::CombineRgn(hrgn, hrgn, hrgnRect, RGN_DIFF);
+}
+
+void wxStaticBox::MSWGetRegionWithoutSelf(WXHRGN hRgn, int w, int h)
+{
+    HRGN hrgn = (HRGN)hRgn;

 
 

-                    ScreenToClient(&xPos, &yPos);
+    // remove the area occupied by the static box borders from the region
+    int borderTop, border;
+    GetBordersForSizer(&borderTop, &border);

 
 

-                    // Make sure you can drag by the top of the groupbox, but let
-                    // other (enclosed) controls get mouse events also
-                    if ( yPos < 10 )
-                        return (long)HTCLIENT;
+    // top
+    SubtractRectFromRgn(hrgn, 0, 0, w, borderTop);
+
+    // bottom
+    SubtractRectFromRgn(hrgn, 0, h - border, w, h);
+
+    // left
+    SubtractRectFromRgn(hrgn, 0, 0, border, h);
+
+    // right
+    SubtractRectFromRgn(hrgn, w - border, 0, w, h);
+}
+
+WXHRGN wxStaticBox::MSWGetRegionWithoutChildren()
+{
+    RECT rc;
+    ::GetWindowRect(GetHwnd(), &rc);
+    HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1);
+
+    // iterate over all child windows (not just wxWindows but all windows)
+    for ( HWND child = ::GetWindow(GetHwndOf(GetParent()), GW_CHILD);
+          child;
+          child = ::GetWindow(child, GW_HWNDNEXT) )
+    {
+        wxWindow *childWindow = wxGetWindowFromHWND((WXHWND) child);
+
+        // can't just test for (this != child) here since if a wxStaticBox
+        // overlaps another wxStaticBox then neither are drawn. The overlapping
+        // region will flicker but we shouldn't have overlapping windows anyway.
+        if ( !childWindow || !wxDynamicCast(childWindow, wxStaticBox) )
+        {
+            ::GetWindowRect(child, &rc);
+            if ( ::RectInRegion(hrgn, &rc) )
+            {
+                // need to remove WS_CLIPSIBLINGS from all sibling windows
+                // that are within this staticbox if set
+                LONG style = ::GetWindowLong(child, GWL_STYLE);
+                if ( style & WS_CLIPSIBLINGS )
+                {
+                    style &= ~WS_CLIPSIBLINGS;
+                    ::SetWindowLong(child, GWL_STYLE, style);
+
+                    // MSDN: "If you have changed certain window data using
+                    // SetWindowLong, you must call SetWindowPos to have the
+                    // changes take effect."
+                    ::SetWindowPos(child, NULL, 0, 0, 0, 0,
+                                   SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
+                                   SWP_FRAMECHANGED);

                 }
                 }

+
+                AutoHRGN hrgnChild(::CreateRectRgnIndirect(&rc));
+                ::CombineRgn(hrgn, hrgn, hrgnChild, RGN_DIFF);

             }
             }

-            break;
+        }

     }
     }

-#endif // !__WXWINCE__

 
 

-    return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+    return (WXHRGN)hrgn;
+}
+
+// helper for OnPaint()
+void wxStaticBox::PaintBackground(wxDC& dc, const RECT& rc)
+{
+    HBRUSH hbr = (HBRUSH)DoMSWControlColor(GetHdcOf(dc), wxNullColour);
+    if ( !hbr )
+    {
+        wxBrush *
+            brush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour());
+        if ( brush )
+            hbr = GetHbrushOf(*brush);
+    }
+
+    if ( hbr )
+        ::FillRect(GetHdcOf(dc), &rc, hbr);
+}
+
+void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event))
+{
+    wxPaintDC dc(this);
+    RECT rc;
+    ::GetClientRect(GetHwnd(), &rc);
+
+    // draw the entire box in a memory DC, but only blit the bits not redrawn
+    // either by our children windows nor by FillRect() painting the background
+    // below
+    wxMemoryDC memdc;
+    wxBitmap bitmap(rc.right, rc.bottom);
+    memdc.SelectObject(bitmap);
+
+    PaintBackground(memdc, rc);
+    MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(memdc), 0);
+
+    int borderTop, border;
+    GetBordersForSizer(&borderTop, &border);
+
+    // top
+    dc.Blit(border, 0, rc.right - border, borderTop,
+            &memdc, border, 0);
+    // bottom
+    dc.Blit(border, rc.bottom - border, rc.right - border, rc.bottom,
+            &memdc, border, rc.bottom - border);
+    // left
+    dc.Blit(0, 0, border, rc.bottom,
+            &memdc, 0, 0);
+    // right
+    dc.Blit(rc.right - border, 0, rc.right, rc.bottom,
+            &memdc, rc.right - border, 0);
+
+    AutoHRGN hrgn((HRGN)MSWGetRegionWithoutChildren());
+    RECT rcWin;
+    ::GetWindowRect(GetHwnd(), &rcWin);
+    ::OffsetRgn(hrgn, -rcWin.left, -rcWin.top);
+
+
+    // now remove the box itself
+    MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom);
+
+    // and paint the inside of the box (excluding child controls)
+    ::SelectClipRgn(GetHdcOf(dc), hrgn);
+    PaintBackground(dc, rc);
+    ::SelectClipRgn(GetHdcOf(dc), NULL);

 }
 
 #endif // wxUSE_STATBOX
 }
 
 #endif // wxUSE_STATBOX