use GTK-specific method to delete selection

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

diff --git a/src/msw/ownerdrw.cpp b/src/msw/ownerdrw.cpp
index 8cf2357171bb3e46c2a20a70b968d374ba1290de..0b0a8e513e88ce4a6e9f0455396b93717cebd91b 100644 (file)
--- a/src/msw/ownerdrw.cpp
+++ b/src/msw/ownerdrw.cpp
@@ -1,478 +1,150 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        msw/ownerdrw.cpp
+// Name:        src/msw/ownerdrw.cpp

 // Purpose:     implementation of wxOwnerDrawn class
 // Author:      Vadim Zeitlin
 // Purpose:     implementation of wxOwnerDrawn class
 // Author:      Vadim Zeitlin

-// Modified by:
+// Modified by: Marcin Malich

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

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation
-#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"

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

 
 #ifdef __BORLANDC__
 
 #ifdef __BORLANDC__

-#pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
-  #include "wx/window.h"
-  #include "wx/msw/private.h"
-  #include "wx/font.h"
-  #include "wx/bitmap.h"
-  #include "wx/dcmemory.h"
-  #include "wx/menu.h"
-  #include "wx/utils.h"
+    #pragma hdrstop

 #endif
 
 #endif
 

-#include "wx/settings.h"
-#include "wx/ownerdrw.h"
-#include "wx/menuitem.h"
-#include "wx/fontutil.h"
-#include "wx/module.h"
-

 #if wxUSE_OWNER_DRAWN
 
 #if wxUSE_OWNER_DRAWN
 

-#ifndef SPI_GETKEYBOARDCUES
-#define SPI_GETKEYBOARDCUES 0x100A
-#endif
-
-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);
-
-        if (SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &ms_showCues, 0) == 0)
-            ms_showCues = true;
-#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
-    static bool ms_showCues;
-private:
-    DECLARE_DYNAMIC_CLASS(wxMSWSystemMenuFontModule)
-};
-
-// these static variables are from 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
-bool wxMSWSystemMenuFontModule::ms_showCues = true;
-
-IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule)
-
-
-// temporary hack to implement wxOwnerDrawn::IsMenuItem() without breaking
-// backwards compatibility
-#if wxCHECK_VERSION(2, 7, 0)
-    #pragma warning "TODO: remove gs_menuItems hack"
-#endif
+#include "wx/ownerdrw.h"
+#include "wx/msw/dc.h"
+#include "wx/msw/private.h"
+#include "wx/msw/private/dc.h"
+#include "wx/msw/wrapcctl.h"            // for HIMAGELIST

 
 

-// VC++ 6 gives a warning here:
-//
-//      return type for 'OwnerDrawnSet_wxImplementation_HashTable::iterator::
-//      operator ->' is 'class wxOwnerDrawn ** ' (ie; not a UDT or reference to
-//      a UDT.  Will produce errors if applied using infix notation.
-//
-// shut it down
-#ifdef __VISUALC__
-    #if __VISUALC__ <= 1300
-        #pragma warning(push)
-        #pragma warning(disable: 4284)
-        #define POP_WARNINGS
-    #endif
+#ifndef DSS_HIDEPREFIX
+#define DSS_HIDEPREFIX  0x0200

 #endif
 
 #endif
 

-#include "wx/hashset.h"
-WX_DECLARE_HASH_SET(wxOwnerDrawn*, wxPointerHash, wxPointerEqual, OwnerDrawnSet);
+// ----------------------------------------------------------------------------
+// constants for base class
+// ----------------------------------------------------------------------------

 
 

-#ifdef POP_WARNINGS
-    #pragma warning(pop)
-#endif
-
-static OwnerDrawnSet gs_menuItems;
+int wxOwnerDrawnBase::ms_defaultMargin = 3;

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

-// ctor
-// ----
-wxOwnerDrawn::wxOwnerDrawn(const wxString& str,
-                           bool bCheckable,
-                           bool bMenuItem)
-            : m_strName(str)
+// draw the item
+bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc,
+                              wxODAction, wxODStatus stat)

 {
 {

-    if (ms_nDefaultMarginWidth == 0)
-    {
-       ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) +
-                                wxSystemSettings::GetMetric(wxSYS_EDGE_X);
-       ms_nLastMarginWidth = ms_nDefaultMarginWidth;
-    }
+    // we do nothing if item isn't ownerdrawn
+    if ( !IsOwnerDrawn() )
+        return true;

 
 

-    m_bCheckable   = bCheckable;
-    m_bOwnerDrawn  = false;
-    m_nHeight      = 0;
-    m_nMarginWidth = ms_nLastMarginWidth;
-    m_nMinHeight   = wxMSWSystemMenuFontModule::ms_systemMenuHeight;
+    wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+    HDC hdc = GetHdcOf(*impl);

 
 

-    m_bmpDisabled = wxNullBitmap;
+    RECT rect;
+    wxCopyRectToRECT(rc, rect);

 
 

-    // TODO: we can't add new m_isMenuItem field in 2.6, so we use this hack
-    //       with the map, but do add m_isMenuItem in 2.7
-    if ( bMenuItem )

     {
     {

-        gs_menuItems.insert(this);
-    }
-}
-
-wxOwnerDrawn::~wxOwnerDrawn()
-{
-    // TODO: remove this in 2.7
-    gs_menuItems.erase(this);
-}
+        // set the font and colors
+        wxFont font;
+        GetFontToUse(font);

 
 

-bool wxOwnerDrawn::IsMenuItem() const
-{
-    // TODO: in 2.7, replace this with simple "return m_isMenuItem"
-    return gs_menuItems.count(this) == 1;
-}
+        wxColour colText, colBack;
+        GetColourToUse(stat, colText, colBack);

 
 

+        SelectInHDC selFont(hdc, GetHfontOf(font));

 
 

-// 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;
+        wxMSWImpl::wxTextColoursChanger textCol(hdc, colText, colBack);
+        wxMSWImpl::wxBkModeChanger bkMode(hdc, wxBRUSHSTYLE_TRANSPARENT);

 
 
 
 

-// drawing
-// -------
+        AutoHBRUSH hbr(wxColourToPalRGB(colBack));
+        SelectInHDC selBrush(hdc, hbr);

 
 

-wxFont wxOwnerDrawn::GetFontToUse() const
-{
-    wxFont font = m_font;
-    if ( !font.Ok() )
-    {
-        if ( IsMenuItem() )
-            font = *wxMSWSystemMenuFontModule::ms_systemMenuFont;
+        ::FillRect(hdc, &rect, hbr);

 
 

-        if ( !font.Ok() )
-            font = *wxNORMAL_FONT;
-    }
-
-    return font;
-}
+        // using native API because it recognizes '&'

 
 

-// 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)
-{
-    if ( IsOwnerDrawn() )
-    {
-        wxMemoryDC dc;
+        wxString text = GetName();

 
 

-        wxString str = wxStripMenuCodes(m_strName);
+        SIZE sizeRect;
+        ::GetTextExtentPoint32(hdc, text.c_str(), text.length(), &sizeRect);

 
 

-        // if we have a valid accel string, then pad out
-        // the menu string so that the menu and accel string are not
-        // placed on top of each other.
-        if ( !m_strAccel.empty() )
-        {
-            str.Pad(str.Length()%8);
-            str += m_strAccel;
-        }
+        int flags = DST_PREFIXTEXT;
+        if ( (stat & wxODDisabled) && !(stat & wxODSelected) )
+            flags |= DSS_DISABLED;

 
 

-        dc.SetFont(GetFontToUse());
+        if ( (stat & wxODHidePrefix) )
+            flags |= DSS_HIDEPREFIX;

 
 

-        dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
+        int x = rc.x + GetMarginWidth();
+        int y = rc.y + (rc.GetHeight() - sizeRect.cy) / 2;
+        int cx = rc.GetWidth() - GetMarginWidth();
+        int cy = sizeRect.cy;

 
 

-        // 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 += GetMarginWidth() + 16;
-    }
-    else // don't draw the text, just the bitmap (if any)
-    {
-        *pwidth =
-        *pheight = 0;
-    }
+        ::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(text),
+                    text.length(), x, y, cx, cy, flags);

 
 

-    // increase size to accommodate 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;
-
-        const size_t widthBmp = m_bmpChecked.GetWidth();
-        if ( IsOwnerDrawn() )
-        {
-            // widen the margin to fit the bitmap if necessary
-            if ((size_t)GetMarginWidth() < widthBmp)
-                SetMarginWidth(widthBmp);
-        }
-        else // we must allocate enough space for the bitmap
-        {
-            *pwidth += widthBmp;
-        }
-    }
+    } // reset to default the font, colors and brush

 
 

-    // add a 4-pixel separator, otherwise menus look cluttered
-    *pwidth += 4;
-
-    // make sure that this item is at least as tall as the system menu height
-    if ( *pheight < m_nMinHeight )
-      *pheight = m_nMinHeight;
-
-    // remember height for use in OnDrawItem
-    m_nHeight = *pheight;
+    if (stat & wxODHasFocus)
+        ::DrawFocusRect(hdc, &rect);

 
     return true;
 }
 
 
     return true;
 }
 

-// draw the item
-bool wxOwnerDrawn::OnDrawItem(wxDC& dc,
-                              const wxRect& rc,
-                              wxODAction act,
-                              wxODStatus st)
-{
-  // we do nothing on focus change
-  if ( act == wxODFocusChanged )
-    return true;
-
-
-  // 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);
-    if (!(st & wxODDisabled))
-    {
-        colText = GetSysColor(COLOR_HIGHLIGHTTEXT);
-    }
-     else
-    {
-        colText = GetSysColor(COLOR_GRAYTEXT);
-    }
-  }
-  else {
-    // fall back to default colors if none explicitly specified
-    colBack = m_colBack.Ok() ? wxColourToPalRGB(m_colBack)
-                             : GetSysColor(COLOR_MENU);
-    colText = m_colText.Ok() ? wxColourToPalRGB(m_colText)
-                             : GetSysColor(COLOR_MENUTEXT);
-  }
-
-
-  // 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 )
-    )
-  {
-      draw_bitmap_edge = false;
-  }
-
-
-  HDC hdc = GetHdcOf(dc);
-  COLORREF colOldText = ::SetTextColor(hdc, colText),
-           colOldBack = ::SetBkColor(hdc, colBack);
-
-  // *2, as in wxSYS_EDGE_Y
-  int margin = GetMarginWidth() + 2 * wxSystemSettings::GetMetric(wxSYS_EDGE_X);
-
-  // select the font and draw the text
-  // ---------------------------------
-
-
-  // determine where to draw and leave space for a check-mark.
-  // + 1 pixel to separate the edge from the highlight rectangle
-  int xText = rc.x + margin + 1;
-
-
-  // using native API because it recognizes '&'
-  if ( IsOwnerDrawn() )
-  {
-    int nPrevMode = SetBkMode(hdc, TRANSPARENT);
-    AutoHBRUSH hbr(colBack);
-    SelectInHDC selBrush(hdc, hbr);
-
-    RECT rectFill = { rc.GetLeft(), rc.GetTop(),
-                        rc.GetRight() + 1, rc.GetBottom() + 1 };
-
-    if ( (st & wxODSelected) && m_bmpChecked.Ok() && draw_bitmap_edge ) {
-        // only draw the highlight under the text, not under
-        // the bitmap or checkmark
-        rectFill.left = xText;
-    }
-
-    FillRect(hdc, &rectFill, hbr);
-
-    // use default font if no font set
-    wxFont fontToUse = GetFontToUse();
-    SelectInHDC selFont(hdc, GetHfontOf(fontToUse));
+// ----------------------------------------------------------------------------
+// global helper functions implemented here
+// ----------------------------------------------------------------------------

 
 

-    wxString strMenuText = m_strName.BeforeFirst('\t');
-
-    xText += 3; // separate text from the highlight rectangle
-
-    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), // centre text vertically
-                rc.GetWidth()-margin, sizeRect.cy,
-                DST_PREFIXTEXT |
-                (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0) |
-                (((st & wxODHidePrefix) && !wxMSWSystemMenuFontModule::ms_showCues) ? 512 : 0)); // 512 == DSS_HIDEPREFIX
-
-    // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO
-    // as the 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()-16-accel_width, rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0),
-                0, 0,
-                DST_TEXT |
-                (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
-    }
-
-    (void)SetBkMode(hdc, nPrevMode);
-  }
-
-
-  // draw the bitmap
-  // ---------------
-  if ( IsCheckable() && !m_bmpChecked.Ok() ) {
-    if ( st & wxODChecked ) {
-      // 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);
-      HBITMAP hbmpCheck = CreateBitmap(margin, m_nHeight, 1, 1, 0);
-      SelectObject(hdcMem, hbmpCheck);
-
-        // then draw a check mark into it
-      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
-      BitBlt(hdc, rc.x, rc.y, margin, m_nHeight,
-             hdcMem, 0, 0, SRCCOPY);
-
-      DeleteDC(hdcMem);
-      DeleteObject(hbmpCheck);
-    }
-  }
-  else {
-    wxBitmap bmp;
+BOOL wxDrawStateBitmap(HDC hDC, HBITMAP hBitmap, int x, int y, UINT uState)
+{
+    // determine size of bitmap image
+    BITMAP bmp;
+    if ( !::GetObject(hBitmap, sizeof(BITMAP), &bmp) )
+        return FALSE;

 
 

-    if ( st & wxODDisabled )
-    {
-        bmp = GetDisabledBitmap();
-    }
+    BOOL result;

 
 

-    if ( !bmp.Ok() )
+    switch ( uState )

     {
     {

-        // 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);
-
-      // center bitmap
-      int nBmpWidth = bmp.GetWidth(),
-          nBmpHeight = bmp.GetHeight();
-
-      // there should be enough space!
-      wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight()));
-
-      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 ) && !( st & wxODDisabled ) && draw_bitmap_edge ) {
-          RECT rectBmp = { rc.GetLeft(), rc.GetTop(),
-                           rc.GetLeft() + margin,
-                           rc.GetTop() + m_nHeight };
-          SetBkColor(hdc, colBack);
-
-          DrawEdge(hdc, &rectBmp, BDR_RAISEDINNER, BF_RECT);
-      }
-    }
-  }
-
-  ::SetTextColor(hdc, colOldText);
-  ::SetBkColor(hdc, colOldBack);
-
-  return true;
+        case wxDSB_NORMAL:
+        case wxDSB_SELECTED:
+            {
+                // uses image list functions to draw
+                //  - normal bitmap with support transparency
+                //    (image list internally create mask etc.)
+                //  - blend bitmap with the background colour
+                //    (like default selected items)
+                HIMAGELIST hIml = ::ImageList_Create(bmp.bmWidth, bmp.bmHeight,
+                                                     ILC_COLOR32 | ILC_MASK, 1, 1);
+                ::ImageList_Add(hIml, hBitmap, NULL);
+                UINT fStyle = uState == wxDSB_SELECTED ? ILD_SELECTED : ILD_NORMAL;
+                result = ::ImageList_Draw(hIml, 0, hDC, x, y, fStyle);
+                ::ImageList_Destroy(hIml);
+            }
+            break;
+
+        case wxDSB_DISABLED:
+            result = ::DrawState(hDC, NULL, NULL, (LPARAM)hBitmap, 0, x, y,
+                                 bmp.bmWidth, bmp.bmHeight,
+                                 DST_BITMAP | DSS_DISABLED);
+            break;
+
+        default:
+            wxFAIL_MSG( wxT("DrawStateBitmap: unknown wxDSBStates value") );
+            result = FALSE;
+    }
+
+    return result;

 }
 
 }
 

-

 #endif // wxUSE_OWNER_DRAWN
 #endif // wxUSE_OWNER_DRAWN

-