///////////////////////////////////////////////////////////////////////////////
-// 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
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/msw/private.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #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"
-#endif
+#if wxUSE_OWNER_DRAWN
-#include "wx/settings.h"
#include "wx/ownerdrw.h"
-#include "wx/menuitem.h"
-#include "wx/fontutil.h"
+#include "wx/msw/dc.h"
+#include "wx/msw/private.h"
+#include "wx/msw/private/dc.h"
+#include "wx/msw/wrapcctl.h" // for HIMAGELIST
-#if wxUSE_OWNER_DRAWN
+#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 WXUNUSED(bMenuItem))
- : m_strName(str)
+// draw the item
+bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc,
+ wxODAction, wxODStatus stat)
{
-#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK)
- // 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 = nm.iMenuWidth;
- ms_nLastMarginWidth = nm.iMenuWidth;
- }
+ // we do nothing if item isn't ownerdrawn
+ if ( !IsOwnerDrawn() )
+ return true;
+
+ wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+ HDC hdc = GetHdcOf(*impl);
+
+ RECT rect;
+ wxCopyRectToRECT(rc, rect);
- wxNativeFontInfo info;
- memcpy(&info.lf, &nm.lfMenuFont, sizeof(LOGFONT));
- m_font.Create(info);
-#else
- // windows clean install default
- m_nMinHeight = 18;
-
- if (ms_nDefaultMarginWidth == 0)
{
- ms_nDefaultMarginWidth = 18;
- ms_nLastMarginWidth = 18;
- }
- if (wxNORMAL_FONT)
- m_font = *wxNORMAL_FONT;
-#endif
+ // set the font and colors
+ wxFont font;
+ GetFontToUse(font);
- m_bCheckable = bCheckable;
- m_bOwnerDrawn = FALSE;
- m_nHeight = 0;
- m_nMarginWidth = ms_nLastMarginWidth;
-}
+ 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);
-// 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;
-
- 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;
- }
-
- if (m_font.Ok())
- dc.SetFont(GetFont());
-
- dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
-
- if (!m_strAccel.IsEmpty())
- {
- // measure the accelerator string, and add it's width to
- // the total item width, plus 16 (Accelerators are right justified,
- // with the right edge of the text rectangle 16 pixels left of
- // the right edge of the menu)
-
- int accel_width, accel_height;
- dc.GetTextExtent(m_strAccel, &accel_width, &accel_height);
- *pwidth += accel_width;
- }
-
- // 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 += (size_t) (GetDefaultMarginWidth() * 1.5);
-
- // JACS: items still look too tightly packed, so adding 5 pixels.
- (*pheight) = (*pheight) + 5;
-
- // Ray Gilbert's changes - Corrects the problem of a BMP
- // being placed next to text in a menu item, and the BMP does
- // not match the size expected by the system. This will
- // resize the space so the BMP will fit. Without this, BMPs
- // must be no larger or smaller than 16x16.
- if (m_bmpChecked.Ok())
- {
- // Is BMP height larger then text height?
- size_t adjustedHeight = m_bmpChecked.GetHeight() +
- wxSystemSettings::GetMetric(wxSYS_EDGE_Y);
- if (*pheight < adjustedHeight)
- *pheight = adjustedHeight;
-
- // Does BMP encroach on default check menu position?
- size_t adjustedWidth = m_bmpChecked.GetWidth() +
- (wxSystemSettings::GetMetric(wxSYS_EDGE_X) * 2);
-// if (ms_nDefaultMarginWidth < adjustedWidth)
-// *pwidth += adjustedWidth - ms_nDefaultMarginWidth;
-
- // Do we need to widen margin to fit BMP?
- if ((size_t)GetMarginWidth() != adjustedWidth)
- SetMarginWidth(adjustedWidth);
-
- // add the size of the bitmap to our total size...
- *pwidth += GetMarginWidth();
- }
-
- // add the size of the bitmap to our total size - even if we don't have
- // a bitmap we leave room for one...
- *pwidth += GetMarginWidth();
-
- // make sure that this item is at least as
- // tall as the user's system settings specify
- if (*pheight < m_nMinHeight)
- *pheight = m_nMinHeight;
-
- m_nHeight = *pheight; // remember height for use in OnDrawItem
-
- return TRUE;
-}
+ ::FillRect(hdc, &rect, 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)
+ // using native API because it recognizes '&'
-// JACS: TODO. Why does a disabled but highlighted item still
-// get drawn embossed? How can we tell DrawState that we don't want the
-// embossing?
+ wxString text = GetName();
-#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__)
-#define O_DRAW_NATIVE_API // comments below explain why I use it
-#endif
+ SIZE sizeRect;
+ ::GetTextExtentPoint32(hdc, text.c_str(), text.length(), &sizeRect);
-// 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) PALETTERGB(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);
- 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() ? 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.
- // Add 3 pixel padding so text appears well within highlight rectangle
- int x = rc.x + GetMarginWidth() + 3;
-
-
- // 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 rectFill = { rc.GetLeft(), rc.GetTop(), rc.GetRight()+1, rc.GetBottom() };
-
- if ( st & wxODSelected && m_bmpChecked.Ok()) {
- // only draw the highlight under the text, not under
- // the bitmap or checkmark; leave a 1-pixel gap.
- rectFill.left = GetMarginWidth() + 1;
- }
+ int flags = DST_PREFIXTEXT;
+ if ( (stat & wxODDisabled) && !(stat & wxODSelected) )
+ flags |= DSS_DISABLED;
- FillRect(hdc, &rectFill, hbr);
+ if ( (stat & wxODHidePrefix) )
+ flags |= DSS_HIDEPREFIX;
- // 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);
- }
+ int x = rc.x + GetMarginWidth();
+ int y = rc.y + (rc.GetHeight() - sizeRect.cy) / 2;
+ int cx = rc.GetWidth() - GetMarginWidth();
+ int cy = sizeRect.cy;
- HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);
+ ::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(text),
+ text.length(), x, y, cx, cy, flags);
- wxString strMenuText = m_strName.BeforeFirst('\t');
+ } // reset to default the font, colors and brush
- SIZE sizeRect;
- GetTextExtentPoint32(hdc,strMenuText.c_str(), strMenuText.Length(),&sizeRect);
- ::DrawState(hdc, NULL, NULL,
- (LPARAM)strMenuText.c_str(), strMenuText.length(),
- x, rc.y+( (int) ((rc.GetHeight()-sizeRect.cy)/2.0) )-1, // centre text vertically
- rc.GetWidth()-GetMarginWidth(), sizeRect.cy,
- DST_PREFIXTEXT |
- (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
+ if (stat & wxODHasFocus)
+ ::DrawFocusRect(hdc, &rect);
- if ( !m_strAccel.empty() )
- {
- // right align accel string with right edge of menu ( offset by the margin width )
- ::SetTextAlign(hdc, TA_RIGHT);
- ::DrawState(hdc, NULL, NULL,
- (LPARAM)m_strAccel.c_str(), m_strAccel.length(),
- rc.GetWidth()-(GetMarginWidth()), rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0),
- rc.GetWidth()-GetMarginWidth(), sizeRect.cy,
- DST_TEXT |
- (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
- ::SetTextAlign(hdc, TA_LEFT);
- }
+ return true;
+}
- (void)SelectObject(hdc, hPrevBrush);
- (void)SelectObject(hdc, hPrevFont);
- (void)SetBkMode(hdc, nPrevMode);
-
- DeleteObject(hbr);
- #else
- dc.SetFont(GetFont());
- dc.DrawText(wxStripMenuCodes(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 };
- 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, GetMarginWidth(), m_nHeight,
- hdcMem, 0, 0, SRCCOPY);
-
- DeleteDC(hdcMem);
- DeleteObject(hbmpCheck);
-#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()));
-
- int heightDiff = m_nHeight - nBmpHeight;
- dc.Blit(rc.x + (GetMarginWidth() - 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(),
- rc.GetTop() + m_nHeight-1 };
- SetBkColor(hdc, colBack);
- DrawEdge(hdc, &rectBmp, EDGE_RAISED, BF_SOFT | BF_RECT);
- #else
- int x1, y1, x2, y2;
- x1 = rc.x;
- y1 = rc.y;
- x2 = x1 + GetMarginWidth() - 1;
- y2 = y1 + m_nHeight - 1;
-
- dc.SetPen(*wxWHITE_PEN);
- dc.DrawLine(x1, y1, x2, y1);
- dc.DrawLine(x1, y1, x1, y2);
- dc.SetPen(*wxGREY_PEN);
- dc.DrawLine(x1, y2-1, x2, y2-1);
- dc.DrawLine(x2, y1, x2, y2);
- #endif //O_DRAW_NATIVE_API
- }
- }
- }
+// ----------------------------------------------------------------------------
+// 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;
- #ifdef O_DRAW_NATIVE_API
- ::SetTextColor(hdc, colOldText);
- ::SetBkColor(hdc, colOldBack);
+ BOOL result;
- #undef hdc
- #endif //O_DRAW_NATIVE_API
+ 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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