X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8ee64db5c11a34de69fd6b5cdefe41235f80e3dd..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/src/msw/ownerdrw.cpp diff --git a/src/msw/ownerdrw.cpp b/src/msw/ownerdrw.cpp index e7a3ec6453..c781c560c3 100644 --- a/src/msw/ownerdrw.cpp +++ b/src/msw/ownerdrw.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/ownerdrw.cpp +// Name: src/msw/ownerdrw.cpp // Purpose: implementation of wxOwnerDrawn class // Author: Vadim Zeitlin // Modified by: @@ -9,33 +9,29 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#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" + #include "wx/window.h" + #include "wx/msw/private.h" + #include "wx/font.h" + #include "wx/bitmap.h" + #include "wx/image.h" + #include "wx/dcmemory.h" + #include "wx/menu.h" + #include "wx/utils.h" + #include "wx/settings.h" + #include "wx/menuitem.h" + #include "wx/module.h" #endif -#include "wx/settings.h" #include "wx/ownerdrw.h" -#include "wx/menuitem.h" #include "wx/fontutil.h" -#include "wx/module.h" #if wxUSE_OWNER_DRAWN @@ -85,7 +81,7 @@ private: DECLARE_DYNAMIC_CLASS(wxMSWSystemMenuFontModule) }; -// these static variables are by the wxMSWSystemMenuFontModule object +// these static variables are from the wxMSWSystemMenuFontModule object // and reflect the system settings returned by the Win32 API's // SystemParametersInfo() call. @@ -96,6 +92,29 @@ bool wxMSWSystemMenuFontModule::ms_showCues = true; IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule) + +// VC++ 6 gives a warning here: +// +// return type for 'OwnerDrawnSet_wxImplementation_HashTable::iterator:: +// operator ->' is 'class wxOwnerDrawn ** ' (ie; not a UDT or reference to +// a UDT. Will produce errors if applied using infix notation. +// +// shut it down +#if defined __VISUALC__ && __VISUALC__ <= 1300 + #if __VISUALC__ >= 1200 + #pragma warning(push) + #define POP_WARNINGS + #endif + #pragma warning(disable: 4284) +#endif + +#include "wx/hashset.h" +WX_DECLARE_HASH_SET(wxOwnerDrawn*, wxPointerHash, wxPointerEqual, OwnerDrawnSet); + +#ifdef POP_WARNINGS + #pragma warning(pop) +#endif + // ============================================================================ // implementation of wxOwnerDrawn class // ============================================================================ @@ -103,39 +122,32 @@ IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule) // ctor // ---- wxOwnerDrawn::wxOwnerDrawn(const wxString& str, - bool bCheckable, bool bMenuItem) + bool bCheckable, + bool bMenuItem) : m_strName(str) { - // 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) + if ( ms_nDefaultMarginWidth == 0 ) { - ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) + wxSystemSettings::GetMetric(wxSYS_EDGE_X); + ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) + + wxSystemSettings::GetMetric(wxSYS_EDGE_X); ms_nLastMarginWidth = ms_nDefaultMarginWidth; } - if (wxMSWSystemMenuFontModule::ms_systemMenuFont->Ok() && bMenuItem) - { - m_font = *wxMSWSystemMenuFontModule::ms_systemMenuFont; - } - else - { - m_font = *wxNORMAL_FONT; - } - m_bCheckable = bCheckable; m_bOwnerDrawn = false; + m_isMenuItem = bMenuItem; m_nHeight = 0; m_nMarginWidth = ms_nLastMarginWidth; m_nMinHeight = wxMSWSystemMenuFontModule::ms_systemMenuHeight; +} - m_bmpDisabled = wxNullBitmap; +wxOwnerDrawn::~wxOwnerDrawn() +{ +} + +bool wxOwnerDrawn::IsMenuItem() const +{ + return m_isMenuItem; } @@ -149,62 +161,91 @@ size_t wxOwnerDrawn::ms_nLastMarginWidth = 0; // drawing // ------- +wxFont wxOwnerDrawn::GetFontToUse() const +{ + wxFont font = m_font; + if ( !font.Ok() ) + { + if ( IsMenuItem() ) + font = *wxMSWSystemMenuFontModule::ms_systemMenuFont; + + if ( !font.Ok() ) + font = *wxNORMAL_FONT; + } + + return font; +} + // 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 ( IsOwnerDrawn() ) + { + wxMemoryDC dc; - if (m_font.Ok()) - dc.SetFont(GetFont()); + wxString str = wxStripMenuCodes(m_strName); - dc.GetTextExtent(str, (long *)pwidth, (long *)pheight); + // 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() ) + { + str.Pad(str.length()%8); + str += m_strAccel; + } - // increase size to accommodate bigger bitmaps if necessary - if (m_bmpChecked.Ok()) - { - // Is BMP height larger then text height? - size_t adjustedHeight = m_bmpChecked.GetHeight() + - 2*wxSystemSettings::GetMetric(wxSYS_EDGE_Y); - if (*pheight < adjustedHeight) - *pheight = adjustedHeight; + dc.SetFont(GetFontToUse()); - // Does BMP encroach on default check menu position? - size_t adjustedWidth = m_bmpChecked.GetWidth(); + wxCoord w, h; + dc.GetTextExtent(str, &w, &h); + *pwidth = w; + *pheight = h; - // Do we need to widen margin to fit BMP? - if ((size_t)GetMarginWidth() < adjustedWidth) - SetMarginWidth(adjustedWidth); - } + // 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 += GetMarginWidth() + 16; + } + else // don't draw the text, just the bitmap (if any) + { + *pwidth = + *pheight = 0; + } - // 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 += GetMarginWidth() + 16; + // increase size to accommodate bigger bitmaps if necessary + if (m_bmpChecked.Ok()) + { + // Is BMP height larger then text height? + size_t adjustedHeight = m_bmpChecked.GetHeight() + + 2*wxSystemSettings::GetMetric(wxSYS_EDGE_Y); + if (*pheight < adjustedHeight) + *pheight = adjustedHeight; + + const size_t widthBmp = m_bmpChecked.GetWidth(); + if ( IsOwnerDrawn() ) + { + // widen the margin to fit the bitmap if necessary + if ((size_t)GetMarginWidth() < widthBmp) + SetMarginWidth(widthBmp); + } + else // we must allocate enough space for the bitmap + { + *pwidth += widthBmp; + } + } - // add a 4-pixel separator, otherwise menus look cluttered - *pwidth += 4; + // add a 4-pixel separator, otherwise menus look cluttered + *pwidth += 4; - // make sure that this item is at least as - // tall as the user's system settings specify - if (*pheight < m_nMinHeight) - *pheight = m_nMinHeight; + // make sure that this item is at least as tall as the system menu height + if ( *pheight < m_nMinHeight ) + *pheight = m_nMinHeight; - // remember height for use in OnDrawItem - m_nHeight = *pheight; + // remember height for use in OnDrawItem + m_nHeight = *pheight; - return true; + return true; } // draw the item @@ -213,213 +254,231 @@ bool wxOwnerDrawn::OnDrawItem(wxDC& dc, wxODAction act, wxODStatus st) { - // we do nothing on focus change - if ( act == wxODFocusChanged ) - return true; + // we do nothing on focus change + if ( act == wxODFocusChanged ) + return true; - // this flag determines whether or not an edge will - // be drawn around the bitmap. In most "windows classic" - // applications, a 1-pixel highlight edge is drawn around - // the bitmap of an item when it is selected. However, - // with the new "luna" theme, no edge is drawn around - // the bitmap because the background is white (this applies - // only to "non-XP style" menus w/ bitmaps -- - // see IE 6 menus for an example) + // this flag determines whether or not an edge will + // be drawn around the bitmap. In most "windows classic" + // applications, a 1-pixel highlight edge is drawn around + // the bitmap of an item when it is selected. However, + // with the new "luna" theme, no edge is drawn around + // the bitmap because the background is white (this applies + // only to "non-XP style" menus w/ bitmaps -- + // see IE 6 menus for an example) - bool draw_bitmap_edge = true; + bool draw_bitmap_edge = true; - // set the colors - // -------------- - DWORD colBack, colText; - if ( st & wxODSelected ) { - colBack = GetSysColor(COLOR_HIGHLIGHT); - if (!(st & wxODDisabled)) + // set the colors + // -------------- + DWORD colBack, colText; + if ( st & wxODSelected ) { - colText = GetSysColor(COLOR_HIGHLIGHTTEXT); + colBack = GetSysColor(COLOR_HIGHLIGHT); + if (!(st & wxODDisabled)) + { + colText = GetSysColor(COLOR_HIGHLIGHTTEXT); + } + else + { + colText = GetSysColor(COLOR_GRAYTEXT); + } } - else + else { - colText = GetSysColor(COLOR_GRAYTEXT); - } - } - else { - // fall back to default colors if none explicitly specified - colBack = m_colBack.Ok() ? wxColourToPalRGB(m_colBack) - : GetSysColor(COLOR_MENU); - colText = m_colText.Ok() ? wxColourToPalRGB(m_colText) - : GetSysColor(COLOR_MENUTEXT); - } - - - // don't draw an edge around the bitmap, if background is white ... - DWORD menu_bg_color = GetSysColor(COLOR_MENU); - if ( ( GetRValue( menu_bg_color ) >= 0xf0 && - GetGValue( menu_bg_color ) >= 0xf0 && - GetBValue( menu_bg_color ) >= 0xf0 ) - ) - { - draw_bitmap_edge = false; - } - - - HDC hdc = GetHdcOf(dc); - COLORREF colOldText = ::SetTextColor(hdc, colText), - colOldBack = ::SetBkColor(hdc, colBack); - - // *2, as in wxSYS_EDGE_Y - int margin = GetMarginWidth() + 2 * wxSystemSettings::GetMetric(wxSYS_EDGE_X); - - // select the font and draw the text - // --------------------------------- - - - // determine where to draw and leave space for a check-mark. - // + 1 pixel to separate the edge from the highlight rectangle - int xText = rc.x + margin + 1; - - - // using native API because it reckognizes '&' - 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() + 1 }; - - if ( (st & wxODSelected) && m_bmpChecked.Ok() && draw_bitmap_edge ) { - // only draw the highlight under the text, not under - // the bitmap or checkmark - rectFill.left = xText; - } - - FillRect(hdc, &rectFill, 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); - } - - HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont); - - wxString strMenuText = m_strName.BeforeFirst('\t'); - - xText += 3; // separate text from the highlight rectangle - - SIZE sizeRect; - GetTextExtentPoint32(hdc,strMenuText.c_str(), strMenuText.Length(),&sizeRect); - ::DrawState(hdc, NULL, NULL, - (LPARAM)strMenuText.c_str(), strMenuText.length(), - xText, rc.y + (int) ((rc.GetHeight()-sizeRect.cy)/2.0), // centre text vertically - rc.GetWidth()-margin, sizeRect.cy, - DST_PREFIXTEXT | - (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0) | - (((st & wxODHidePrefix) && !wxMSWSystemMenuFontModule::ms_showCues) ? 512 : 0)); // 512 == DSS_HIDEPREFIX - - // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO - // as last parameter in DrawState() (at least with Windows98). So we have - // to take care of right alignment ourselves. - if ( !m_strAccel.empty() ) - { - int accel_width, accel_height; - dc.GetTextExtent(m_strAccel, &accel_width, &accel_height); - // right align accel string with right edge of menu ( offset by the - // margin width ) - ::DrawState(hdc, NULL, NULL, - (LPARAM)m_strAccel.c_str(), m_strAccel.length(), - rc.GetWidth()-16-accel_width, rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0), - 0, 0, - DST_TEXT | - (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0)); - } - - (void)SelectObject(hdc, hPrevBrush); - (void)SelectObject(hdc, hPrevFont); - (void)SetBkMode(hdc, nPrevMode); - - DeleteObject(hbr); - - // draw the bitmap - // --------------- - if ( IsCheckable() && !m_bmpChecked.Ok() ) { - if ( st & wxODChecked ) { - // 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(margin, m_nHeight, 1, 1, 0); - SelectObject(hdcMem, hbmpCheck); - - // then draw a check mark into it - RECT rect = { 0, 0, margin, 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, margin, m_nHeight, - hdcMem, 0, 0, SRCCOPY); - - DeleteDC(hdcMem); - DeleteObject(hbmpCheck); + // fall back to default colors if none explicitly specified + colBack = m_colBack.Ok() ? wxColourToPalRGB(m_colBack) + : GetSysColor(COLOR_MENU); + colText = m_colText.Ok() ? wxColourToPalRGB(m_colText) + : GetSysColor(COLOR_MENUTEXT); } - } - else { - wxBitmap bmp; - if ( st & wxODDisabled ) + if ( IsOwnerDrawn() ) { - bmp = GetDisabledBitmap(); + // don't draw an edge around the bitmap, if background is white ... + DWORD menu_bg_color = GetSysColor(COLOR_MENU); + if ( ( GetRValue( menu_bg_color ) >= 0xf0 && + GetGValue( menu_bg_color ) >= 0xf0 && + GetBValue( menu_bg_color ) >= 0xf0 ) + ) + { + draw_bitmap_edge = false; + } } - - if ( !bmp.Ok() ) + else // edge doesn't look well with default Windows drawing { - // for not checkable bitmaps we should always use unchecked one because - // their checked bitmap is not set - bmp = GetBitmap(!IsCheckable() || (st & wxODChecked)); + draw_bitmap_edge = false; } - if ( bmp.Ok() ) { - wxMemoryDC dcMem(&dc); - dcMem.SelectObject(bmp); - // center bitmap - int nBmpWidth = bmp.GetWidth(), - nBmpHeight = bmp.GetHeight(); + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + HDC hdc = GetHdcOf(*impl); + COLORREF colOldText = ::SetTextColor(hdc, colText), + colOldBack = ::SetBkColor(hdc, colBack); + + // *2, as in wxSYS_EDGE_Y + int margin = GetMarginWidth() + 2 * wxSystemSettings::GetMetric(wxSYS_EDGE_X); - // there should be enough place! - wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight())); + // select the font and draw the text + // --------------------------------- - int heightDiff = m_nHeight - nBmpHeight; - dc.Blit(rc.x + (margin - nBmpWidth) / 2, - rc.y + heightDiff / 2, - nBmpWidth, nBmpHeight, - &dcMem, 0, 0, wxCOPY, true /* use mask */); - if ( ( st & wxODSelected ) && !( st & wxODDisabled ) && draw_bitmap_edge ) { - RECT rectBmp = { rc.GetLeft(), rc.GetTop(), - rc.GetLeft() + margin, - rc.GetTop() + m_nHeight }; - SetBkColor(hdc, colBack); + // determine where to draw and leave space for a check-mark. + // + 1 pixel to separate the edge from the highlight rectangle + int xText = rc.x + margin + 1; - DrawEdge(hdc, &rectBmp, BDR_RAISEDINNER, BF_RECT); - } + + // using native API because it recognizes '&' + if ( IsOwnerDrawn() ) + { + int nPrevMode = SetBkMode(hdc, TRANSPARENT); + AutoHBRUSH hbr(colBack); + SelectInHDC selBrush(hdc, hbr); + + RECT rectFill = { rc.GetLeft(), rc.GetTop(), + rc.GetRight() + 1, rc.GetBottom() + 1 }; + + if ( (st & wxODSelected) && m_bmpChecked.Ok() && draw_bitmap_edge ) + { + // only draw the highlight under the text, not under + // the bitmap or checkmark + rectFill.left = xText; + } + + FillRect(hdc, &rectFill, hbr); + + // use default font if no font set + wxFont fontToUse = GetFontToUse(); + SelectInHDC selFont(hdc, GetHfontOf(fontToUse)); + + wxString strMenuText = m_strName.BeforeFirst('\t'); + + xText += 3; // separate text from the highlight rectangle + + SIZE sizeRect; + ::GetTextExtentPoint32(hdc, strMenuText.c_str(), strMenuText.length(), &sizeRect); + ::DrawState(hdc, NULL, NULL, + (LPARAM)strMenuText.wx_str(), + strMenuText.length(), + xText, rc.y + (int) ((rc.GetHeight()-sizeRect.cy)/2.0), // centre text vertically + rc.GetWidth()-margin, sizeRect.cy, + DST_PREFIXTEXT | + (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0) | + (((st & wxODHidePrefix) && !wxMSWSystemMenuFontModule::ms_showCues) ? 512 : 0)); // 512 == DSS_HIDEPREFIX + + // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO + // as the last parameter in DrawState() (at least with Windows98). So we have + // to take care of right alignment ourselves. + if ( !m_strAccel.empty() ) + { + int accel_width, accel_height; + dc.GetTextExtent(m_strAccel, &accel_width, &accel_height); + // right align accel string with right edge of menu ( offset by the + // margin width ) + ::DrawState(hdc, NULL, NULL, + (LPARAM)m_strAccel.wx_str(), + m_strAccel.length(), + rc.GetWidth()-16-accel_width, rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0), + 0, 0, + DST_TEXT | + (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0)); + } + + (void)SetBkMode(hdc, nPrevMode); } - } - ::SetTextColor(hdc, colOldText); - ::SetBkColor(hdc, colOldBack); - return true; + // draw the bitmap + // --------------- + if ( IsCheckable() && !m_bmpChecked.Ok() ) + { + if ( st & wxODChecked ) + { + // 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(margin, m_nHeight, 1, 1, 0); + SelectObject(hdcMem, hbmpCheck); + + // then draw a check mark into it + RECT rect = { 0, 0, margin, 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, margin, m_nHeight, hdcMem, 0, 0, SRCCOPY); + + DeleteDC(hdcMem); + DeleteObject(hbmpCheck); + } + } + else + { + wxBitmap bmp; + + if ( st & wxODDisabled ) + { + bmp = GetDisabledBitmap(); + } + + if ( !bmp.Ok() ) + { + // for not checkable bitmaps we should always use unchecked one + // because their checked bitmap is not set + bmp = GetBitmap(!IsCheckable() || (st & wxODChecked)); + +#if wxUSE_IMAGE + if ( bmp.Ok() && st & wxODDisabled ) + { + // we need to grey out the bitmap as we don't have any specific + // disabled bitmap + wxImage imgGrey = bmp.ConvertToImage().ConvertToGreyscale(); + if ( imgGrey.Ok() ) + bmp = wxBitmap(imgGrey); + } +#endif // wxUSE_IMAGE + } + + if ( bmp.Ok() ) + { + wxMemoryDC dcMem(&dc); + dcMem.SelectObjectAsSource(bmp); + + // center bitmap + int nBmpWidth = bmp.GetWidth(), + nBmpHeight = bmp.GetHeight(); + + // there should be enough space! + wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight())); + + int heightDiff = m_nHeight - nBmpHeight; + dc.Blit(rc.x + (margin - nBmpWidth) / 2, + rc.y + heightDiff / 2, + nBmpWidth, nBmpHeight, + &dcMem, 0, 0, wxCOPY, true /* use mask */); + + if ( ( st & wxODSelected ) && !( st & wxODDisabled ) && draw_bitmap_edge ) + { + RECT rectBmp = { rc.GetLeft(), rc.GetTop(), + rc.GetLeft() + margin, + rc.GetTop() + m_nHeight }; + SetBkColor(hdc, colBack); + + DrawEdge(hdc, &rectBmp, BDR_RAISEDINNER, BF_RECT); + } + } + } + + ::SetTextColor(hdc, colOldText); + ::SetBkColor(hdc, colOldBack); + + return true; } #endif // wxUSE_OWNER_DRAWN -