X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2a2a71e326fb9cf95b29dd10b7c8bb88cae4f439..ccc040255c07064f2ed96f1a345d21860b202cb6:/src/msw/ownerdrw.cpp diff --git a/src/msw/ownerdrw.cpp b/src/msw/ownerdrw.cpp index 3c5e577ed0..0b0a8e513e 100644 --- a/src/msw/ownerdrw.cpp +++ b/src/msw/ownerdrw.cpp @@ -1,399 +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 /////////////////////////////////////////////////////////////////////////////// -#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 += 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+((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+(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 -