X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/92218ce60024b07e9ae5a5790a85582db083e55c..eea4d01c65f9b29baa1193db762b4c6b8144af24:/src/msw/ownerdrw.cpp diff --git a/src/msw/ownerdrw.cpp b/src/msw/ownerdrw.cpp index fb83215f33..6fb88beabb 100644 --- a/src/msw/ownerdrw.cpp +++ b/src/msw/ownerdrw.cpp @@ -1,491 +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 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" -#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 -#ifndef SPI_GETKEYBOARDCUES -#define SPI_GETKEYBOARDCUES 0x100A -#endif - -class wxMSWSystemMenuFontModule : public wxModule -{ -public: - - virtual bool OnInit() - { - ms_systemMenuFont = new wxFont; - -#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK) - NONCLIENTMETRICS nm; - nm.cbSize = sizeof(NONCLIENTMETRICS); - SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,&nm,0); - - ms_systemMenuButtonWidth = nm.iMenuHeight; - ms_systemMenuHeight = nm.iMenuHeight; - - // create menu font - wxNativeFontInfo info; - memcpy(&info.lf, &nm.lfMenuFont, sizeof(LOGFONT)); - ms_systemMenuFont->Create(info); - - if (SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &ms_showCues, 0) == 0) - ms_showCues = true; -#endif - - return true; - } - - virtual void OnExit() - { - delete ms_systemMenuFont; - ms_systemMenuFont = NULL; - } - - static wxFont* ms_systemMenuFont; - static int ms_systemMenuButtonWidth; // windows clean install default - static int ms_systemMenuHeight; // windows clean install default - static bool ms_showCues; -private: - DECLARE_DYNAMIC_CLASS(wxMSWSystemMenuFontModule) -}; - -// these static variables are from the wxMSWSystemMenuFontModule object -// and reflect the system settings returned by the Win32 API's -// SystemParametersInfo() call. - -wxFont* wxMSWSystemMenuFontModule::ms_systemMenuFont = NULL; -int wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth = 18; // windows clean install default -int wxMSWSystemMenuFontModule::ms_systemMenuHeight = 18; // windows clean install default -bool wxMSWSystemMenuFontModule::ms_showCues = true; - -IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule) - - -// temporary hack to implement wxOwnerDrawn::IsMenuItem() without breaking -// backwards compatibility -#if wxCHECK_VERSION(2, 7, 0) - #pragma warning "TODO: remove gs_menuItems hack" -#endif +#include "wx/ownerdrw.h" +#include "wx/msw/dc.h" +#include "wx/msw/private.h" +#include "wx/msw/private/dc.h" +#include "wx/msw/wrapcctl.h" // for HIMAGELIST -// 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 -#ifdef __VISUALC__ - #if __VISUALC__ <= 1300 - #pragma warning(push) - #pragma warning(disable: 4284) - #define POP_WARNINGS - #endif +#ifndef DSS_HIDEPREFIX +#define DSS_HIDEPREFIX 0x0200 #endif -#include "wx/hashset.h" -WX_DECLARE_HASH_SET(wxOwnerDrawn*, wxPointerHash, wxPointerEqual, OwnerDrawnSet); - -#ifdef POP_WARNINGS - #pragma warning(pop) -#endif +// ---------------------------------------------------------------------------- +// constants for base class +// ---------------------------------------------------------------------------- -static OwnerDrawnSet gs_menuItems; +int wxOwnerDrawnBase::ms_defaultMargin = 3; // ============================================================================ // implementation of wxOwnerDrawn class // ============================================================================ -// ctor -// ---- -wxOwnerDrawn::wxOwnerDrawn(const wxString& str, - bool bCheckable, - bool bMenuItem) - : m_strName(str) +// draw the item +bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc, + wxODAction, wxODStatus stat) { - if (ms_nDefaultMarginWidth == 0) - { - ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) + - wxSystemSettings::GetMetric(wxSYS_EDGE_X); - ms_nLastMarginWidth = ms_nDefaultMarginWidth; - } + // we do nothing if item isn't ownerdrawn + if ( !IsOwnerDrawn() ) + return true; - m_bCheckable = bCheckable; - m_bOwnerDrawn = false; - m_nHeight = 0; - m_nMarginWidth = ms_nLastMarginWidth; - m_nMinHeight = wxMSWSystemMenuFontModule::ms_systemMenuHeight; + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + HDC hdc = GetHdcOf(*impl); - m_bmpDisabled = wxNullBitmap; + RECT rect; + wxCopyRectToRECT(rc, rect); - // TODO: we can't add new m_isMenuItem field in 2.6, so we use this hack - // with the map, but do add m_isMenuItem in 2.7 - if ( bMenuItem ) { - gs_menuItems.insert(this); - } -} + // set the font and colors + wxFont font; + GetFontToUse(font); -wxOwnerDrawn::~wxOwnerDrawn() -{ - // TODO: remove this in 2.7 - gs_menuItems.erase(this); -} + wxColour colText, colBack; + GetColourToUse(stat, colText, colBack); -bool wxOwnerDrawn::IsMenuItem() const -{ - // TODO: in 2.7, replace this with simple "return m_isMenuItem" - return gs_menuItems.count(this) == 1; -} + SelectInHDC selFont(hdc, GetHfontOf(font)); + wxMSWImpl::wxTextColoursChanger textCol(hdc, colText, colBack); + wxMSWImpl::wxBkModeChanger bkMode(hdc, wxBRUSHSTYLE_TRANSPARENT); -// 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; + AutoHBRUSH hbr(wxColourToPalRGB(colBack)); + SelectInHDC selBrush(hdc, hbr); -// drawing -// ------- - -wxFont wxOwnerDrawn::GetFontToUse() const -{ - wxFont font = m_font; - if ( !font.Ok() ) - { - if ( IsMenuItem() ) - font = *wxMSWSystemMenuFontModule::ms_systemMenuFont; - - if ( !font.Ok() ) - font = *wxNORMAL_FONT; - } + ::FillRect(hdc, &rect, hbr); - return font; -} + // using native API because it recognizes '&' -// 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) -{ - if ( IsOwnerDrawn() ) - { - wxMemoryDC dc; + wxString text = GetName(); - wxString str = wxStripMenuCodes(m_strName); + SIZE sizeRect; + ::GetTextExtentPoint32(hdc, text.c_str(), text.length(), &sizeRect); - // 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; - } + int flags = DST_PREFIXTEXT; + if ( (stat & wxODDisabled) && !(stat & wxODSelected) ) + flags |= DSS_DISABLED; - dc.SetFont(GetFontToUse()); + if ( (stat & wxODHidePrefix) ) + flags |= DSS_HIDEPREFIX; - dc.GetTextExtent(str, (long *)pwidth, (long *)pheight); + int x = rc.x + GetMarginWidth(); + int y = rc.y + (rc.GetHeight() - sizeRect.cy) / 2; + int cx = rc.GetWidth() - GetMarginWidth(); + int cy = sizeRect.cy; - // 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; - } - - // 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; - } - } + ::DrawState(hdc, NULL, NULL, (LPARAM)text.wx_str(), + text.length(), x, y, cx, cy, flags); - // add a 4-pixel separator, otherwise menus look cluttered - *pwidth += 4; + } // reset to default the font, colors and brush - // 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; + if (stat & wxODHasFocus) + ::DrawFocusRect(hdc, &rect); return true; } -// 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; - - - // 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; - - // 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() ? wxColourToPalRGB(m_colBack) - : GetSysColor(COLOR_MENU); - colText = m_colText.Ok() ? wxColourToPalRGB(m_colText) - : GetSysColor(COLOR_MENUTEXT); - } - - if ( IsOwnerDrawn() ) - { - // 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; - } - } - else // edge doesn't look well with default Windows drawing - { - draw_bitmap_edge = false; - } - - - HDC hdc = GetHdcOf(dc); - COLORREF colOldText = ::SetTextColor(hdc, colText), - colOldBack = ::SetBkColor(hdc, colBack); +// ---------------------------------------------------------------------------- +// global helper functions implemented here +// ---------------------------------------------------------------------------- - // *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 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.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 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.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)SetBkMode(hdc, nPrevMode); - } +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; - // draw the bitmap - // --------------- - if ( IsCheckable() && !m_bmpChecked.Ok() ) + switch ( uState ) { - 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 ) + case wxDSB_NORMAL: + case wxDSB_SELECTED: { - ::DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK); + // 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; - // finally copy it to screen DC and clean up - BitBlt(hdc, rc.x, rc.y, margin, m_nHeight, hdcMem, 0, 0, SRCCOPY); + case wxDSB_DISABLED: + result = ::DrawState(hDC, NULL, NULL, (LPARAM)hBitmap, 0, x, y, + bmp.bmWidth, bmp.bmHeight, + DST_BITMAP | DSS_DISABLED); + break; - DeleteDC(hdcMem); - DeleteObject(hbmpCheck); - } + default: + wxFAIL_MSG( wxT("DrawStateBitmap: unknown wxDSBStates value") ); + result = FALSE; } - 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 ( bmp.Ok() ) - { - wxMemoryDC dcMem(&dc); - dcMem.SelectObject(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; + return result; } - #endif // wxUSE_OWNER_DRAWN -