Added files for wxNotebook and wxCocoaNSTabView

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

diff --git a/src/msw/ownerdrw.cpp b/src/msw/ownerdrw.cpp
index cefdc0e8e376aad997567774ef52ffb2fe768001..6c3de9fd92f3c593b9455f1a14689054acda90b7 100644 (file)
--- a/src/msw/ownerdrw.cpp
+++ b/src/msw/ownerdrw.cpp
@@ -2,19 +2,20 @@
 // Name:        msw/ownerdrw.cpp
 // Purpose:     implementation of wxOwnerDrawn class
 // Author:      Vadim Zeitlin
 // Name:        msw/ownerdrw.cpp
 // Purpose:     implementation of wxOwnerDrawn class
 // Author:      Vadim Zeitlin

-// Modified by: 
+// Modified by:

 // Created:     13.11.97
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     13.11.97
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

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

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

 
 #ifdef __BORLANDC__
 #pragma hdrstop
 
 #ifdef __BORLANDC__
 #pragma hdrstop


@@ -30,9 +31,61 @@
   #include "wx/utils.h"
 #endif
 
   #include "wx/utils.h"
 #endif
 

+#include "wx/settings.h"

 #include "wx/ownerdrw.h"
 #include "wx/menuitem.h"
 #include "wx/ownerdrw.h"
 #include "wx/menuitem.h"

+#include "wx/fontutil.h"
+#include "wx/module.h"

 
 

+#if wxUSE_OWNER_DRAWN
+
+class wxMSWSystemMenuFontModule : public wxModule
+{
+public:
+
+    virtual bool OnInit()
+    {
+        ms_systemMenuFont = new wxFont;
+
+#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK)
+        NONCLIENTMETRICS nm;
+        nm.cbSize = sizeof(NONCLIENTMETRICS);
+        SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,&nm,0);
+
+        ms_systemMenuButtonWidth = nm.iMenuHeight;
+        ms_systemMenuHeight = nm.iMenuHeight;
+
+        // create menu font
+        wxNativeFontInfo info;
+        memcpy(&info.lf, &nm.lfMenuFont, sizeof(LOGFONT));
+        ms_systemMenuFont->Create(info);
+#endif
+
+        return true;
+    }
+
+    virtual void OnExit()
+    {
+        delete ms_systemMenuFont;
+        ms_systemMenuFont = NULL;
+    }
+
+    static wxFont* ms_systemMenuFont;
+    static int ms_systemMenuButtonWidth;   // windows clean install default
+    static int ms_systemMenuHeight;        // windows clean install default
+private:
+    DECLARE_DYNAMIC_CLASS(wxMSWSystemMenuFontModule)
+};
+
+// these static variables are by the wxMSWSystemMenuFontModule object
+// and reflect the system settings returned by the Win32 API's
+// SystemParametersInfo() call.
+
+wxFont* wxMSWSystemMenuFontModule::ms_systemMenuFont = NULL;
+int wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth = 18;   // windows clean install default
+int wxMSWSystemMenuFontModule::ms_systemMenuHeight = 18;        // windows clean install default
+
+IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule)

 
 // ============================================================================
 // implementation of wxOwnerDrawn class
 
 // ============================================================================
 // implementation of wxOwnerDrawn class


@@ -40,161 +93,284 @@
 
 // ctor
 // ----
 
 // ctor
 // ----

-wxOwnerDrawn::wxOwnerDrawn(const wxString& str, 
+wxOwnerDrawn::wxOwnerDrawn(const wxString& str,

                            bool bCheckable, bool bMenuItem)
             : m_strName(str)
 {
                            bool bCheckable, bool bMenuItem)
             : m_strName(str)
 {

-  m_bCheckable   = bCheckable;
-  m_bOwnerDrawn  = FALSE;
-  m_nHeight      = 0;
-  m_nMarginWidth = ms_nLastMarginWidth;
+    // get the default menu height and font from the system
+    NONCLIENTMETRICS nm;
+    nm.cbSize = sizeof (NONCLIENTMETRICS);
+    SystemParametersInfo (SPI_GETNONCLIENTMETRICS,0,&nm,0);
+    m_nMinHeight = nm.iMenuHeight;
+
+    // nm.iMenuWidth is the system default for the width of
+    // menu icons and checkmarks
+    if (ms_nDefaultMarginWidth == 0)
+    {
+       ms_nDefaultMarginWidth = wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth;
+       ms_nLastMarginWidth = wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth;
+    }
+
+    if (wxMSWSystemMenuFontModule::ms_systemMenuFont->Ok() && bMenuItem)
+    {
+        m_font = *wxMSWSystemMenuFontModule::ms_systemMenuFont;
+    }
+    else
+    {
+        m_font = *wxNORMAL_FONT;
+    }
+
+    m_bCheckable   = bCheckable;
+    m_bOwnerDrawn  = FALSE;
+    m_nHeight      = 0;
+    m_nMarginWidth = ms_nLastMarginWidth;
+    m_nMinHeight   = wxMSWSystemMenuFontModule::ms_systemMenuHeight;
+
+    m_bmpDisabled = wxNullBitmap;

 }
 
 }
 

-#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK)
-  size_t wxOwnerDrawn::ms_nDefaultMarginWidth = GetSystemMetrics(SM_CXMENUCHECK);
-#else   // # what is the reasonable default?
-  size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 15;
-#endif

 
 

-size_t wxOwnerDrawn::ms_nLastMarginWidth = ms_nDefaultMarginWidth;
+// these items will be set during the first invocation of the c'tor,
+// because the values will be determined by checking the system settings,
+// which is a chunk of code
+size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 0;
+size_t wxOwnerDrawn::ms_nLastMarginWidth = 0;
+

 
 // drawing
 // -------
 
 // get size of the item
 
 // drawing
 // -------
 
 // get size of the item

+// The item size includes the menu string, the accel string,
+// the bitmap and size for a submenu expansion arrow...

 bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight)
 {
   wxMemoryDC dc;
 bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight)
 {
   wxMemoryDC dc;

-  dc.SetFont(GetFont());

 
 

-  // ## ugly...
-  wxChar *szStripped = new wxChar[m_strName.Len()];
-  wxStripMenuCodes((wxChar *)m_strName.c_str(), szStripped);
-  wxString str = szStripped;
-  delete [] szStripped;
+  wxString str = wxStripMenuCodes(m_strName);
+
+  // if we have a valid accel string, then pad out
+  // the menu string so the menu and accel string are not
+  // placed ontop of eachother.
+  if ( !m_strAccel.empty() )
+   {
+       str.Pad(str.Length()%8);
+       str += m_strAccel;
+   }

 
 

-  // # without this menu items look too tightly packed (at least under Windows)
-  str += _T('W'); // 'W' is typically the widest letter
+  if (m_font.Ok())
+      dc.SetFont(GetFont());

 
   dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
 
   dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);

-  m_nHeight = *pheight;                // remember height for use in OnDrawItem

 
 

-  return TRUE;
-}
+  // add space at the end of the menu for the submenu expansion arrow
+  // this will also allow offsetting the accel string from the right edge
+  *pwidth += GetDefaultMarginWidth() + 16;
+
+  // increase size to accomodate bigger bitmaps if necessary
+  if (m_bmpChecked.Ok())
+  {
+      // Is BMP height larger then text height?
+      size_t adjustedHeight = m_bmpChecked.GetHeight() +
+                                2*wxSystemSettings::GetMetric(wxSYS_EDGE_Y);
+      if (*pheight < adjustedHeight)
+          *pheight = adjustedHeight;
+
+      // Does BMP encroach on default check menu position?
+      size_t adjustedWidth = m_bmpChecked.GetWidth();
+
+      // Do we need to widen margin to fit BMP?
+      if ((size_t)GetMarginWidth() < adjustedWidth)
+          SetMarginWidth(adjustedWidth);
+  }

 
 

-// searching for this macro you'll find all the code where I'm using the native
-// Win32 GDI functions and not wxWindows ones. Might help to whoever decides to
-// port this code to X. (VZ)
+  // make sure that this item is at least as
+  // tall as the user's system settings specify
+  if (*pheight < m_nMinHeight)
+    *pheight = m_nMinHeight;

 
 

-#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__)
-#define   O_DRAW_NATIVE_API     // comments below explain why I use it
-#endif
+  // remember height for use in OnDrawItem
+  m_nHeight = *pheight;
+
+  return TRUE;
+}

 
 // draw the item
 
 // draw the item

-bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus st)
+bool wxOwnerDrawn::OnDrawItem(wxDC& dc,
+                              const wxRect& rc,
+                              wxODAction act,
+                              wxODStatus st)

 {
   // we do nothing on focus change
   if ( act == wxODFocusChanged )
     return TRUE;
 
 {
   // we do nothing on focus change
   if ( act == wxODFocusChanged )
     return TRUE;
 

-  // wxColor <-> RGB
-  #define   ToRGB(col)  RGB(col.Red(), col.Green(), col.Blue())
-  #define   UnRGB(col)  GetRValue(col), GetGValue(col), GetBValue(col)
+
+  // this flag determines whether or not an edge will
+  // be drawn around the bitmap. In most "windows classic"
+  // applications, a 1-pixel highlight edge is drawn around
+  // the bitmap of an item when it is selected.  However,
+  // with the new "luna" theme, no edge is drawn around
+  // the bitmap because the background is white (this applies
+  // only to "non-XP style" menus w/ bitmaps --
+  // see IE 6 menus for an example)
+
+  bool draw_bitmap_edge = true;

 
   // set the colors
   // --------------
   DWORD colBack, colText;
   if ( st & wxODSelected ) {
     colBack = GetSysColor(COLOR_HIGHLIGHT);
 
   // set the colors
   // --------------
   DWORD colBack, colText;
   if ( st & wxODSelected ) {
     colBack = GetSysColor(COLOR_HIGHLIGHT);

-    colText = GetSysColor(COLOR_HIGHLIGHTTEXT);
+    if (!(st & wxODDisabled))
+    {
+        colText = GetSysColor(COLOR_HIGHLIGHTTEXT);
+    }
+     else
+    {
+        colText = GetSysColor(COLOR_GRAYTEXT);
+    }

   }
   else {
     // fall back to default colors if none explicitly specified
   }
   else {
     // fall back to default colors if none explicitly specified

-    colBack = m_colBack.Ok() ? ToRGB(m_colBack) : GetSysColor(COLOR_WINDOW);
-    colText = m_colText.Ok() ? ToRGB(m_colText) : GetSysColor(COLOR_WINDOWTEXT);
+    colBack = m_colBack.Ok() ? wxColourToPalRGB(m_colBack)
+                             : GetSysColor(COLOR_WINDOW);
+    colText = m_colText.Ok() ? wxColourToPalRGB(m_colText)
+                             : GetSysColor(COLOR_WINDOWTEXT);

   }
   }

-        
-  #ifdef  O_DRAW_NATIVE_API
-    #define  hdc           (HDC)dc.GetHDC()
-    COLORREF colOldText = ::SetTextColor(hdc, colText),
-             colOldBack = ::SetBkColor(hdc, colBack);
-  #else
-    dc.SetTextForeground(wxColor(UnRGB(colText)));
-    dc.SetTextBackground(wxColor(UnRGB(colBack)));
-  #endif
+
+
+  // don't draw an edge around the bitmap, if background is white ...
+  DWORD menu_bg_color = GetSysColor(COLOR_MENU);
+  if (    ( GetRValue( menu_bg_color ) >= 0xf0 &&
+            GetGValue( menu_bg_color ) >= 0xf0 &&
+            GetBValue( menu_bg_color ) >= 0xf0 )
+       // ... or if the menu item is disabled
+       || ( st & wxODDisabled )
+    )
+  {
+      draw_bitmap_edge = false;
+  }
+
+
+  HDC hdc = GetHdcOf(dc);
+  COLORREF colOldText = ::SetTextColor(hdc, colText),
+           colOldBack = ::SetBkColor(hdc, colBack);
+
+  int margin = GetMarginWidth() + wxSystemSettings::GetMetric(wxSYS_EDGE_X);

 
   // select the font and draw the text
   // ---------------------------------
 
 
   // select the font and draw the text
   // ---------------------------------
 

-  // determine where to draw and leave space for a check-mark. 
-  int x = rc.x + GetMarginWidth();

 
 

-  // using native API because it reckognizes '&' 
-  #ifdef  O_DRAW_NATIVE_API
-    int nPrevMode = SetBkMode(hdc, TRANSPARENT);
-    HBRUSH  hbr = CreateSolidBrush(colBack),
-            hPrevBrush = (HBRUSH) SelectObject(hdc, hbr);
+  // determine where to draw and leave space for a check-mark.
+  int xText = rc.x + margin;

 
 

-    RECT rectAll = { rc.GetLeft(), rc.GetTop(), rc.GetRight(), rc.GetBottom() };
-    FillRect(hdc, &rectAll, hbr);

 
 

-    // use default font if no font set
-    HFONT hfont;
-    if ( m_font.Ok() ) {
-      m_font.RealizeResource();
-      hfont = (HFONT)m_font.GetResourceHandle();
-    }
-    else {
-      hfont = (HFONT)::GetStockObject(SYSTEM_FONT);
-    }
+  // using native API because it reckognizes '&'
+  int nPrevMode = SetBkMode(hdc, TRANSPARENT);
+  HBRUSH hbr = CreateSolidBrush(colBack),
+         hPrevBrush = (HBRUSH)SelectObject(hdc, hbr);
+
+  RECT rectFill = { rc.GetLeft(), rc.GetTop(),
+                      rc.GetRight() + 1, rc.GetBottom() + 1 };
+
+  if ( (st & wxODSelected) && m_bmpChecked.Ok() ) {
+      // only draw the highlight under the text, not under
+      // the bitmap or checkmark
+      rectFill.left = xText;
+  }

 
 

-    HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);
-    DrawState(hdc, NULL, NULL, 
-              (LPARAM)(const wxChar *)m_strName, m_strName.Length(), 
-              x, rc.y, rc.GetWidth(), rc.GetHeight(),
-              DST_PREFIXTEXT | ( st & wxODDisabled ? DSS_DISABLED : 0) );
+  FillRect(hdc, &rectFill, hbr);

 
 

-    (void)SelectObject(hdc, hPrevBrush);
-    (void)SelectObject(hdc, hPrevFont);
-    (void)SetBkMode(hdc, nPrevMode);
-  #else
-    dc.SetFont(GetFont());
-    dc.DrawText(m_strName, x, rc.y);
-  #endif  //O_DRAW_NATIVE_API
+  // use default font if no font set
+  HFONT hfont;
+  if ( m_font.Ok() ) {
+    m_font.RealizeResource();
+    hfont = (HFONT)m_font.GetResourceHandle();
+  }
+  else {
+    hfont = (HFONT)::GetStockObject(SYSTEM_FONT);
+  }
+
+  HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);
+
+  wxString strMenuText = m_strName.BeforeFirst('\t');
+
+  SIZE sizeRect;
+  GetTextExtentPoint32(hdc,strMenuText.c_str(), strMenuText.Length(),&sizeRect);
+  ::DrawState(hdc, NULL, NULL,
+              (LPARAM)strMenuText.c_str(), strMenuText.length(),
+              xText, rc.y+( (int) ((rc.GetHeight()-sizeRect.cy)/2.0) )-1, // centre text vertically
+              rc.GetWidth()-margin, sizeRect.cy,
+              DST_PREFIXTEXT |
+              (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
+
+  // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO
+  // as last parameter in DrawState() (at least with Windows98). So we have
+  // to take care of right alignment ourselves.
+  if ( !m_strAccel.empty() )
+  {
+      int accel_width, accel_height;
+      dc.GetTextExtent(m_strAccel, &accel_width, &accel_height);
+      // right align accel string with right edge of menu ( offset by the
+      // margin width )
+      ::DrawState(hdc, NULL, NULL,
+              (LPARAM)m_strAccel.c_str(), m_strAccel.length(),
+              rc.GetWidth()-margin-accel_width, rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0),
+              rc.GetWidth()-margin-accel_width, sizeRect.cy,
+              DST_TEXT |
+              (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
+  }
+
+  (void)SelectObject(hdc, hPrevBrush);
+  (void)SelectObject(hdc, hPrevFont);
+  (void)SetBkMode(hdc, nPrevMode);
+
+  DeleteObject(hbr);

 
   // draw the bitmap
   // ---------------
   if ( IsCheckable() && !m_bmpChecked.Ok() ) {
     if ( st & wxODChecked ) {
 
   // draw the bitmap
   // ---------------
   if ( IsCheckable() && !m_bmpChecked.Ok() ) {
     if ( st & wxODChecked ) {

-      // using native APIs for performance and simplicity
-#ifdef  O_DRAW_NATIVE_API
-      // what goes on: DrawFrameControl creates a b/w mask, 
+      // what goes on: DrawFrameControl creates a b/w mask,

       // then we copy it to screen to have right colors
 
         // first create a monochrome bitmap in a memory DC
       HDC hdcMem = CreateCompatibleDC(hdc);
       // then we copy it to screen to have right colors
 
         // first create a monochrome bitmap in a memory DC
       HDC hdcMem = CreateCompatibleDC(hdc);

-      HBITMAP hbmpCheck = CreateBitmap(GetMarginWidth(), m_nHeight, 1, 1, 0);
+      HBITMAP hbmpCheck = CreateBitmap(margin, m_nHeight, 1, 1, 0);

       SelectObject(hdcMem, hbmpCheck);
 
         // then draw a check mark into it
       SelectObject(hdcMem, hbmpCheck);
 
         // then draw a check mark into it

-      RECT rect = { 0, 0, GetMarginWidth(), m_nHeight };
-#ifndef __SC__
-      DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
-#endif
+      RECT rect = { 0, 0, margin, m_nHeight };
+      if ( m_nHeight > 0 )
+      {
+        ::DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
+      }

 
         // finally copy it to screen DC and clean up
 
         // finally copy it to screen DC and clean up

-      BitBlt(hdc, rc.x, rc.y, GetMarginWidth(), m_nHeight, 
+      BitBlt(hdc, rc.x, rc.y, margin, m_nHeight,

              hdcMem, 0, 0, SRCCOPY);
              hdcMem, 0, 0, SRCCOPY);

+

       DeleteDC(hdcMem);
       DeleteDC(hdcMem);

-#else
-        // #### to do: perhaps using Marlett font (create equiv. font under X)
-//        wxFAIL("not implemented");
-#endif  //O_DRAW_NATIVE_API
+      DeleteObject(hbmpCheck);

     }
   }
   else {
     }
   }
   else {

-    // for uncheckable item we use only the 'checked' bitmap
-    wxBitmap bmp(GetBitmap(IsCheckable() ? ((st & wxODChecked) != 0) : TRUE));
+    wxBitmap bmp;
+
+    if ( st & wxODDisabled )
+    {
+        bmp = GetDisabledBitmap();
+    }
+
+    if ( !bmp.Ok() )
+    {
+        // for not checkable bitmaps we should always use unchecked one because
+        // their checked bitmap is not set
+        bmp = GetBitmap(!IsCheckable() || (st & wxODChecked));
+    }
+

     if ( bmp.Ok() ) {
       wxMemoryDC dcMem(&dc);
       dcMem.SelectObject(bmp);
     if ( bmp.Ok() ) {
       wxMemoryDC dcMem(&dc);
       dcMem.SelectObject(bmp);


@@ -206,32 +382,29 @@ bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODSt
       // there should be enough place!
       wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight()));
 
       // there should be enough place!
       wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight()));
 

-      dc.Blit(rc.x + (GetMarginWidth() - nBmpWidth) / 2, 
-              rc.y + (m_nHeight - nBmpHeight) /2, 
-              nBmpWidth, nBmpHeight, 
-              &dcMem, 0, 0, wxCOPY);
+      int heightDiff = m_nHeight - nBmpHeight;
+      dc.Blit(rc.x + (margin - nBmpWidth) / 2,
+              rc.y + heightDiff / 2,
+              nBmpWidth, nBmpHeight,
+              &dcMem, 0, 0, wxCOPY, TRUE /* use mask */);

 
 

-      if ( st & wxODSelected ) {
-        #ifdef  O_DRAW_NATIVE_API
-          RECT rectBmp = { rc.GetLeft(), rc.GetTop(), 
-                           rc.GetLeft() + GetMarginWidth(), 
+      if ( st & wxODSelected && draw_bitmap_edge ) {
+          RECT rectBmp = { rc.GetLeft(), rc.GetTop(),
+                           rc.GetLeft() + margin,

                            rc.GetTop() + m_nHeight };
           SetBkColor(hdc, colBack);
                            rc.GetTop() + m_nHeight };
           SetBkColor(hdc, colBack);

-          DrawEdge(hdc, &rectBmp, EDGE_RAISED, BF_SOFT | BF_RECT);
-        #else
-          // ## to write portable DrawEdge
-        #endif  //O_DRAW_NATIVE_API
+
+          DrawEdge(hdc, &rectBmp, BDR_RAISEDOUTER, BF_SOFT | BF_RECT);

       }
     }
   }
 
       }
     }
   }
 

-  #ifdef  O_DRAW_NATIVE_API
-    ::SetTextColor(hdc, colOldText);
-    ::SetBkColor(hdc, colOldBack);
-
-    #undef  hdc
-  #endif  //O_DRAW_NATIVE_API
+  ::SetTextColor(hdc, colOldText);
+  ::SetBkColor(hdc, colOldBack);

 
   return TRUE;
 }
 
 
   return TRUE;
 }
 

+
+#endif // wxUSE_OWNER_DRAWN
+