///////////////////////////////////////////////////////////////////////////////
-// Name: msw/ownerdrw.cpp
+// Name: src/msw/ownerdrw.cpp
// 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 license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-// ============================================================================
-// headers & declarations
-// ============================================================================
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
-#ifndef WX_PRECOMP
- #include "wx/menu.h"
-#endif
+#if wxUSE_OWNER_DRAWN
#include "wx/ownerdrw.h"
-#include "wx/menuitem.h"
+#include "wx/msw/dc.h"
+#include "wx/msw/private.h"
+#include "wx/msw/private/dc.h"
+#include "wx/msw/wrapcctl.h" // for HIMAGELIST
-#include <windows.h>
+#ifndef DSS_HIDEPREFIX
+#define DSS_HIDEPREFIX 0x0200
+#endif
+
+// ----------------------------------------------------------------------------
+// constants for base class
+// ----------------------------------------------------------------------------
+
+int wxOwnerDrawnBase::ms_defaultMargin = 3;
// ============================================================================
// 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)
{
- m_bCheckable = bCheckable;
- m_bOwnerDrawn = FALSE;
- m_nHeight = 0;
- m_nMarginWidth = ms_nLastMarginWidth;
-}
+ // we do nothing if item isn't ownerdrawn
+ if ( !IsOwnerDrawn() )
+ return true;
-#if defined(__WXMSW__) && defined(__WIN32__)
- uint wxOwnerDrawn::ms_nDefaultMarginWidth = GetSystemMetrics(SM_CXMENUCHECK);
-#else // # what is the reasonable default?
- uint wxOwnerDrawn::ms_nDefaultMarginWidth = 15;
-#endif
+ wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+ HDC hdc = GetHdcOf(*impl);
-uint wxOwnerDrawn::ms_nLastMarginWidth = ms_nDefaultMarginWidth;
+ RECT rect;
+ wxCopyRectToRECT(rc, rect);
-// drawing
-// -------
+ {
+ // set the font and colors
+ wxFont font;
+ GetFontToUse(font);
-// get size of the item
-bool wxOwnerDrawn::OnMeasureItem(uint *pwidth, uint *pheight)
-{
- wxMemoryDC dc;
- dc.SetFont(GetFont());
+ wxColour colText, colBack;
+ GetColourToUse(stat, colText, colBack);
- // ## ugly...
- char *szStripped = new char[m_strName.Len()];
- wxStripMenuCodes((char *)m_strName.c_str(), szStripped);
- wxString str = szStripped;
- delete [] szStripped;
+ SelectInHDC selFont(hdc, GetHfontOf(font));
- // # without this menu items look too tightly packed (at least under Windows)
- str += 'W'; // 'W' is typically the widest letter
+ wxMSWImpl::wxTextColoursChanger textCol(hdc, colText, colBack);
+ wxMSWImpl::wxBkModeChanger bkMode(hdc, wxBRUSHSTYLE_TRANSPARENT);
- dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
- m_nHeight = *pheight; // remember height for use in OnDrawItem
- return TRUE;
-}
+ AutoHBRUSH hbr(wxColourToPalRGB(colBack));
+ SelectInHDC selBrush(hdc, hbr);
-// 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)
+ ::FillRect(hdc, &rect, hbr);
-#ifdef __WIN32__
-#define O_DRAW_NATIVE_API // comments below explain why I use it
-#endif
+ // using native API because it recognizes '&'
-// 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;
-
- // wxColor <-> RGB
- #define ToRGB(col) RGB(col.Red(), col.Green(), col.Blue())
- #define UnRGB(col) GetRValue(col), GetGValue(col), GetBValue(col)
-
- // set the colors
- // --------------
- DWORD colBack, colText;
- if ( st & wxODSelected ) {
- colBack = GetSysColor(COLOR_HIGHLIGHT);
- colText = GetSysColor(COLOR_HIGHLIGHTTEXT);
- }
- 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);
- }
-
- #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
-
- // 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);
-
- 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);
- }
+ wxString text = GetName();
- HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);
- DrawState(hdc, NULL, NULL,
- (LPARAM)(const char *)m_strName, m_strName.Length(),
- x, rc.y, rc.GetWidth(), rc.GetHeight(),
- DST_PREFIXTEXT | ( st & wxODDisabled ? DSS_DISABLED : 0) );
-
- (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
-
- // 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,
- // 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);
- SelectObject(hdcMem, hbmpCheck);
-
- // then draw a check mark into it
- RECT rect = { 0, 0, GetMarginWidth(), m_nHeight };
- DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
-
- // finally copy it to screen DC and clean up
- BitBlt(hdc, rc.x, rc.y, GetMarginWidth(), m_nHeight,
- hdcMem, 0, 0, SRCCOPY);
- DeleteDC(hdcMem);
-#else
- // #### to do: perhaps using Marlett font (create equiv. font under X)
-// wxFAIL("not implemented");
-#endif //O_DRAW_NATIVE_API
- }
- }
- else {
- // for uncheckable item we use only the 'checked' bitmap
- wxBitmap bmp(GetBitmap(IsCheckable() ? ((st & wxODChecked) != 0) : TRUE));
- if ( bmp.Ok() ) {
- wxMemoryDC dcMem(&dc);
- dcMem.SelectObject(bmp);
-
- // center bitmap
- int nBmpWidth = bmp.GetWidth(),
- nBmpHeight = bmp.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);
-
- if ( st & wxODSelected ) {
- #ifdef O_DRAW_NATIVE_API
- RECT rectBmp = { rc.GetLeft(), rc.GetTop(),
- rc.GetLeft() + GetMarginWidth(),
- 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
- }
- }
- }
+ SIZE sizeRect;
+ ::GetTextExtentPoint32(hdc, text.c_str(), text.length(), &sizeRect);
+
+ int flags = DST_PREFIXTEXT;
+ if ( (stat & wxODDisabled) && !(stat & wxODSelected) )
+ flags |= DSS_DISABLED;
+
+ if ( (stat & wxODHidePrefix) )
+ flags |= DSS_HIDEPREFIX;
+
+ int x = rc.x + GetMarginWidth();
+ int y = rc.y + (rc.GetHeight() - sizeRect.cy) / 2;
+ int cx = rc.GetWidth() - GetMarginWidth();
+ int cy = sizeRect.cy;
- #ifdef O_DRAW_NATIVE_API
- ::SetTextColor(hdc, colOldText);
- ::SetBkColor(hdc, colOldBack);
+ ::DrawState(hdc, NULL, NULL, (LPARAM)text.wx_str(),
+ text.length(), x, y, cx, cy, flags);
- #undef hdc
- #endif //O_DRAW_NATIVE_API
+ } // reset to default the font, colors and brush
+
+ if (stat & wxODHasFocus)
+ ::DrawFocusRect(hdc, &rect);
+
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// global helper functions implemented here
+// ----------------------------------------------------------------------------
+
+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;
+
+ BOOL result;
+
+ switch ( uState )
+ {
+ 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 TRUE;
+ return result;
}
+#endif // wxUSE_OWNER_DRAWN
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