X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5260b1c582632afeb8f25db7f10697c8d45461b4..3988b3e819a2e336b8fcd90214c949f61069279b:/src/msw/ownerdrw.cpp diff --git a/src/msw/ownerdrw.cpp b/src/msw/ownerdrw.cpp index 87e3ba77b6..0b0a8e513e 100644 --- a/src/msw/ownerdrw.cpp +++ b/src/msw/ownerdrw.cpp @@ -1,230 +1,150 @@ /////////////////////////////////////////////////////////////////////////////// -// 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 -// 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 +#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 wxTString& 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(__WINDOWS__) && 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 = 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 = ::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, wxMSW_CONV_LPARAM(text), + 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