// Name: msw/ownerdrw.cpp
// Purpose: implementation of wxOwnerDrawn class
// Author: David Webster
-// Modified by:
+// Modified by:
// Created: 10/12/99
// RCS-ID: $Id$
// Copyright: (c) David Webster
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#ifndef WX_PRECOMP
#include "wx/window.h"
- #include "wx/msw/private.h"
+ #include "wx/os2/private.h"
#include "wx/font.h"
#include "wx/bitmap.h"
#include "wx/dcmemory.h"
#include "wx/utils.h"
#endif
+#if wxUSE_OWNER_DRAWN
+
+#include "wx/settings.h"
#include "wx/ownerdrw.h"
#include "wx/menuitem.h"
// implementation of wxOwnerDrawn class
// ============================================================================
+//
// ctor
// ----
-wxOwnerDrawn::wxOwnerDrawn(const wxString& str,
- bool bCheckable, bool bMenuItem)
- : m_strName(str)
+//
+wxOwnerDrawn::wxOwnerDrawn( const wxString& rsStr,
+ bool bCheckable,
+ bool WXUNUSED(bMenuItem) )
+: m_strName(rsStr)
{
- m_bCheckable = bCheckable;
- m_bOwnerDrawn = FALSE;
- m_nHeight = 0;
- m_nMarginWidth = ms_nLastMarginWidth;
-}
+ m_bCheckable = bCheckable;
+ m_bOwnerDrawn = FALSE;
+ m_nHeight = 0;
+ m_nMarginWidth = ms_nLastMarginWidth;
+ if (wxNORMAL_FONT)
+ m_font = *wxNORMAL_FONT;
+} // end of wxOwnerDrawn::wxOwnerDrawn
+
+wxOwnerDrawn::~wxOwnerDrawn() { }
- size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 15;
+size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 15;
size_t wxOwnerDrawn::ms_nLastMarginWidth = ms_nDefaultMarginWidth;
-// drawing
+//
+// Drawing
// -------
+//
-// get size of the item
-bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight)
+bool wxOwnerDrawn::OnMeasureItem( size_t* pWidth,
+ size_t* pHeight )
{
- wxMemoryDC dc;
- dc.SetFont(GetFont());
+ wxMemoryDC vDC;
+
+ wxString sStr = wxStripMenuCodes(m_strName);
+
+ //
+ // 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() )
+ {
+ sStr.Pad(sStr.Length()%8);
+ sStr += m_strAccel;
+ }
+ vDC.SetFont(GetFont());
+ vDC.GetTextExtent( sStr
+ ,(long *)pWidth
+ ,(long *)pHeight
+ );
+ if (!m_strAccel.empty())
+ {
+ //
+ // Measure the accelerator string, and add its 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 nAccelWidth;
+ int nAccelHeight;
+
+ vDC.GetTextExtent( m_strAccel
+ ,&nAccelWidth
+ ,&nAccelHeight
+ );
+ *pWidth += nAccelWidth;
+ }
- // ## ugly...
- wxChar *szStripped = new wxChar[m_strName.Len()];
- wxStripMenuCodes((wxChar *)m_strName.c_str(), szStripped);
- wxString str = szStripped;
- delete [] szStripped;
+ //
+ // 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)(*pWidth + GetDefaultMarginWidth() * 1.5);
+
+ //
+ // JACS: items still look too tightly packed, so adding 5 pixels.
+ //
+ (*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 nAdjustedHeight = m_bmpChecked.GetHeight() +
+ wxSystemSettings::GetMetric(wxSYS_EDGE_Y);
+ if (*pHeight < nAdjustedHeight)
+ *pHeight = nAdjustedHeight;
+
+ //
+ // Does BMP encroach on default check menu position?
+ //
+ size_t nAdjustedWidth = m_bmpChecked.GetWidth() +
+ (wxSystemSettings::GetMetric(wxSYS_EDGE_X) * 2);
+
+ //
+ // Do we need to widen margin to fit BMP?
+ //
+ if ((size_t)GetMarginWidth() < nAdjustedWidth)
+ SetMarginWidth(nAdjustedWidth);
+
+ //
+ // Add the size of the bitmap to our total size...
+ //
+ *pWidth += GetMarginWidth();
+ }
- // # without this menu items look too tightly packed (at least under Windows)
- str += wxT('W'); // 'W' is typically the widest letter
+ //
+ // 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;
+} // end of wxOwnerDrawn::OnMeasureItem
- dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
+// draw the item
+bool wxOwnerDrawn::OnDrawItem( wxDC& rDC,
+ const wxRect& rRect,
+ wxODAction eAction,
+ wxODStatus eStatus )
+{
+ //
+ // We do nothing on focus change
+ //
+ if (eAction == wxODFocusChanged )
+ return true;
+
+ //
+ // Select the font and draw the text
+ // ---------------------------------
+ //
+
+ CHARBUNDLE vCbnd;
+ HPS hPS= rDC.GetHPS();
+ wxColour vColBack;
+ wxColour vColText;
+ COLORREF vRef;
+ RECTL vRect = {rRect.x + 4, rRect.y + 1, rRect.x + (rRect.width - 2), rRect.y + rRect.height};
+
+ memset(&vCbnd, 0, sizeof(CHARBUNDLE));
+
+ //
+ // Use default font if no font set
+ //
+ if (m_font.Ok())
+ {
+ m_font.RealizeResource();
+ }
+ else
+ {
+ ::GpiSetCharSet(hPS, LCID_DEFAULT);
+ }
- // JACS: items still look too tightly packed, so adding 2 pixels.
- (*pheight) = (*pheight) + 2;
+ //
+ // Based on the status of the menu item, pick the right colors
+ //
+ if (eStatus & wxODSelected)
+ {
+ wxColour vCol2(wxT("WHITE"));
+ vColBack.Set( (unsigned char)0
+ ,(unsigned char)0
+ ,(unsigned char)160
+ ); // no dark blue in color table
+ vColText = vCol2;
+ }
+ else if (eStatus & wxODDisabled)
+ {
+ vRef = (ULONG)::WinQuerySysColor( HWND_DESKTOP
+ ,SYSCLR_MENU // Light gray
+ ,0L
+ );
+ vColBack.Set( GetRValue(vRef)
+ ,GetGValue(vRef)
+ ,GetBValue(vRef)
+ );
+ vRef = (ULONG)::WinQuerySysColor( HWND_DESKTOP
+ ,SYSCLR_MENUDISABLEDTEXT // dark gray
+ ,0L
+ );
+ vColText.Set( GetRValue(vRef)
+ ,GetGValue(vRef)
+ ,GetBValue(vRef)
+ );
+ }
+ else
+ {
+ //
+ // Fall back to default colors if none explicitly specified
+ //
+ vRef = ::WinQuerySysColor( HWND_DESKTOP
+ ,SYSCLR_MENU // we are using gray for all our window backgrounds in wxWidgets
+ ,0L
+ );
+ vColBack.Set( GetRValue(vRef)
+ ,GetGValue(vRef)
+ ,GetBValue(vRef)
+ );
+ vRef = ::WinQuerySysColor( HWND_DESKTOP
+ ,SYSCLR_WINDOWTEXT // Black
+ ,0L
+ );
+ vColText.Set( GetRValue(vRef)
+ ,GetGValue(vRef)
+ ,GetBValue(vRef)
+ );
+ }
- m_nHeight = *pheight; // remember height for use in OnDrawItem
+ rDC.SetTextBackground(vColBack);
+ rDC.SetTextForeground(vColText);
+ rDC.SetBackgroundMode(wxTRANSPARENT);
+ vCbnd.lColor = vColText.GetPixel();
+ vCbnd.lBackColor = vColBack.GetPixel();
+ ::GpiSetAttrs( hPS
+ ,PRIM_CHAR
+ ,CBB_BACK_COLOR | CBB_COLOR
+ ,0
+ ,&vCbnd
+ );
+ ::GpiSetBackMix( hPS
+ ,BM_LEAVEALONE
+ );
+
+ //
+ // Paint the background
+ //
+ ::WinFillRect(hPS, &vRect, vColBack.GetPixel());
+
+ //
+ // Determine where to draw and leave space for a check-mark.
+ //
+ int nX = rRect.x + GetMarginWidth();
+
+ //
+ // Unfortunately, unlike Win32, PM has no owner drawn specific text
+ // drawing methods like ::DrawState that can cleanly handle accel
+ // mnemonics and deal, automatically, with various states, so we have
+ // to handle them ourselves. Notice Win32 can't handle \t in ownerdrawn
+ // strings either. We cannot handle mnemonics either. We display
+ // them, though, in the hope we can figure them out some day.
+ //
+
+ //
+ // Display main text and accel text separately to align better
+ //
+ wxString sTgt = wxT("\t");
+ wxString sFullString = m_strName; // need to save the original text
+ wxString sAccel;
+ int nIndex;
+ size_t nWidth;
+ size_t nCharWidth;
+ size_t nHeight;
+ bool bFoundMnemonic = false;
+ bool bFoundAccel = false;
+
+ //
+ // Deal with the tab, extracting the Accel text
+ //
+ nIndex = sFullString.Find(sTgt.c_str());
+ if (nIndex != -1)
+ {
+ bFoundAccel = true;
+ sAccel = sFullString.Mid(nIndex + 1);
+ sFullString.Remove(nIndex);
+ }
- return TRUE;
-}
+ //
+ // Deal with the mnemonic character
+ //
+ sTgt = wxT("~");
+ nIndex = sFullString.Find(sTgt.c_str());
+ if (nIndex != -1)
+ {
+ wxString sTmp = sFullString;
+
+ bFoundMnemonic = true;
+ sTmp.Remove(nIndex);
+ rDC.GetTextExtent( sTmp
+ ,(long *)&nWidth
+ ,(long *)&nHeight
+ );
+ sTmp = sFullString[(size_t)(nIndex + 1)];
+ rDC.GetTextExtent( sTmp
+ ,(long *)&nCharWidth
+ ,(long *)&nHeight
+ );
+ sFullString.Replace(sTgt.c_str(), wxEmptyString, true);
+ }
-// 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)
+ //
+ // Draw the main item text sans the accel text
+ //
+ POINTL vPntStart = {nX, rRect.y + 4};
+ ::GpiCharStringAt( rDC.GetHPS()
+ ,&vPntStart
+ ,sFullString.length()
+ ,(PCH)sFullString.c_str()
+ );
+ if (bFoundMnemonic)
+ {
+ //
+ // Underline the mnemonic -- still won't work, but at least it "looks" right
+ //
+ wxPen vPen;
+ POINTL vPntEnd = {nX + nWidth + nCharWidth - 3, rRect.y + 2}; //CharWidth is bit wide
+
+ vPntStart.x = nX + nWidth - 1;
+ vPntStart.y = rRect.y + 2; // Make it look pretty!
+ vPen = wxPen(vColText, 1, wxSOLID); // Assuming we are always black
+ rDC.SetPen(vPen);
+ ::GpiMove(hPS, &vPntStart);
+ ::GpiLine(hPS, &vPntEnd);
+ }
-// 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?
+ //
+ // Now draw the accel text
+ //
+ if (bFoundAccel)
+ {
+ size_t nWidth;
+ size_t nHeight;
+
+ rDC.GetTextExtent( sAccel
+ ,(long *)&nWidth
+ ,(long *)&nHeight
+ );
+ //
+ // Back off the starting position from the right edge
+ //
+ vPntStart.x = rRect.width - (nWidth + 7);
+ vPntStart.y = rRect.y + 4;
+ ::GpiCharStringAt( rDC.GetHPS()
+ ,&vPntStart
+ ,sAccel.length()
+ ,(PCH)sAccel.c_str()
+ );
+ }
-// draw the item
-bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus st)
-{
-///////////////////////////////////////////////////////////////////////////////////////////////////
-// Might want to check the native drawing apis for here and doo something like MSW does for WIN95
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
- // 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);
- }
-
- dc.SetTextForeground(wxColor(UnRGB(colText)));
- dc.SetTextBackground(wxColor(UnRGB(colBack)));
-
- // select the font and draw the text
- // ---------------------------------
-
- // determine where to draw and leave space for a check-mark.
- int x = rc.x + GetMarginWidth();
-
- dc.SetFont(GetFont());
- dc.DrawText(m_strName, x, rc.y);
-
- // draw the bitmap
- // ---------------
- if ( IsCheckable() && !m_bmpChecked.Ok() ) {
- if ( st & wxODChecked ) {
- // using native APIs for performance and simplicity
-// TODO:
-/*
- 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 };
-
- // 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
+ //
+ // Draw the bitmap
+ // ---------------
+ //
+ if (IsCheckable() && !m_bmpChecked.Ok())
+ {
+ if (eStatus & wxODChecked)
+ {
+ RECTL vRect;
+ HBITMAP hBmpCheck = ::WinGetSysBitmap(HWND_DESKTOP, SBMP_MENUCHECK);
+
+ vRect.xLeft = rRect.x;
+ vRect.xRight = rRect.x + GetMarginWidth();
+ vRect.yBottom = rRect.y;
+ vRect.yTop = rRect.y + m_nHeight - 3;
+
+ ::WinDrawBitmap( hPS // PS for this menuitem
+ ,hBmpCheck // system checkmark
+ ,NULL // draw the whole bitmap
+ ,(PPOINTL)&vRect // destination -- bottom left corner of the menuitem area
+ ,0L // ignored
+ ,0L // draw a bitmap
+ ,DBM_NORMAL // draw normal size
+ );
+ }
}
- }
- 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()));
-
- //MT: blit with mask enabled.
- dc.Blit(rc.x + (GetMarginWidth() - nBmpWidth) / 2,
- rc.y + (m_nHeight - nBmpHeight) /2,
- nBmpWidth, nBmpHeight,
- &dcMem, 0, 0, wxCOPY,true);
-
- if ( st & wxODSelected ) {
-// TODO:
-/*
- #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
+ {
+ //
+ // For uncheckable item we use only the 'checked' bitmap
+ //
+ wxBitmap vBmp(GetBitmap(IsCheckable() ? ((eStatus & wxODChecked) != 0) : TRUE));
+
+ if (vBmp.Ok())
+ {
+
+ wxMemoryDC vDCMem(&rDC);
+ wxMemoryDC* pOldDC = (wxMemoryDC*)vBmp.GetSelectedInto();
+
+ if(pOldDC != NULL)
+ {
+ vBmp.SetSelectedInto(NULL);
+ }
+ vDCMem.SelectObject(vBmp);
+
+ //
+ // Center bitmap
+ //
+ int nBmpWidth = vBmp.GetWidth();
+ int nBmpHeight = vBmp.GetHeight();
+
+ //
+ // There should be enough space!
+ //
+ wxASSERT((nBmpWidth <= rRect.width) && (nBmpHeight <= rRect.height));
+
+ int nHeightDiff = m_nHeight - nBmpHeight;
+
+ rDC.Blit( rRect.x + (GetMarginWidth() - nBmpWidth) / 2
+ ,rRect.y + nHeightDiff / 2
+ ,nBmpWidth
+ ,nBmpHeight
+ ,&vDCMem
+ ,0
+ ,0
+ ,wxCOPY
+ ,true
+ );
+
+ if (eStatus & wxODSelected)
+ {
+ POINTL vPnt1 = {rRect.x + 1, rRect.y + 3}; // Leave a little background border
+ POINTL vPnt2 = {rRect.x + GetMarginWidth(), rRect.y + m_nHeight - 3};
+
+ LINEBUNDLE vLine;
+
+ vLine.lColor = vColBack.GetPixel();
+ ::GpiSetAttrs( hPS
+ ,PRIM_LINE
+ ,LBB_COLOR
+ ,0
+ ,&vLine
+ );
+ ::GpiMove(hPS, &vPnt1);
+ ::GpiBox( hPS
+ ,DRO_OUTLINE
+ ,&vPnt2
+ ,0L
+ ,0L
+ );
+ }
+ vBmp.SetSelectedInto(NULL);
+ }
}
- }
-/*
- #ifdef O_DRAW_NATIVE_API
- ::SetTextColor(hdc, colOldText);
- ::SetBkColor(hdc, colOldBack);
-
- #undef hdc
- #endif //O_DRAW_NATIVE_API
-*/
- return TRUE;
-}
+ return true;
+} // end of wxOwnerDrawn::OnDrawItem
+#endif //wxUSE_OWNER_DRAWN
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