///////////////////////////////////////////////////////////////////////////////
-// Name: msw/ownerdrw.cpp
+// Name: src/msw/ownerdrw.cpp
// Purpose: implementation of wxOwnerDrawn class
// Author: Vadim Zeitlin
// Modified by:
// Created: 13.11.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// 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
+#if wxUSE_OWNER_DRAWN
+
#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/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"
+ #include "wx/msw/wrapcctl.h"
#endif
-#include "wx/settings.h"
#include "wx/ownerdrw.h"
-#include "wx/menuitem.h"
#include "wx/fontutil.h"
-#if wxUSE_OWNER_DRAWN
+#include "wx/msw/private.h"
+#include "wx/msw/private/metrics.h"
+#include "wx/msw/dc.h"
+
+#ifndef SPI_GETKEYBOARDCUES
+#define SPI_GETKEYBOARDCUES 0x100A
+#endif
+
+#ifndef DSS_HIDEPREFIX
+#define DSS_HIDEPREFIX 0x0200
+#endif
+
+class wxMSWSystemMenuFontModule : public wxModule
+{
+public:
+ virtual bool OnInit()
+ {
+ return true;
+ }
+
+ virtual void OnExit()
+ {
+ if ( ms_systemMenuFont )
+ {
+ delete ms_systemMenuFont;
+ ms_systemMenuFont = NULL;
+ }
+ }
+
+ static const wxFont& GetSystemMenuFont()
+ {
+ if ( !ms_systemMenuFont )
+ DoInitFont();
+
+ return *ms_systemMenuFont;
+ }
+
+ static int GetSystemMenuHeight()
+ {
+ if ( !ms_systemMenuHeight )
+ DoInitMetrics();
+
+ return ms_systemMenuHeight;
+ }
+
+ static bool AlwaysShowCues()
+ {
+ if ( !ms_systemMenuHeight )
+ DoInitMetrics();
+
+ return ms_alwaysShowCues;
+ }
+
+private:
+ static void DoInitMetrics()
+ {
+ // iMenuHeight is the menu bar height and the menu items are less tall,
+ // although I don't know by how much -- below is the value for my system
+ ms_systemMenuHeight = wxMSWImpl::GetNonClientMetrics().iMenuHeight - 4;
+
+ wxASSERT_MSG( ms_systemMenuHeight > 0,
+ "menu height should be positive" );
+
+ if ( ::SystemParametersInfo(SPI_GETKEYBOARDCUES, 0,
+ &ms_alwaysShowCues, 0) == 0 )
+ {
+ // if it's not supported, we must be on an old Windows version
+ // which always shows them
+ ms_alwaysShowCues = true;
+ }
+ }
+
+ static void DoInitFont()
+ {
+ ms_systemMenuFont = new
+ wxFont(wxNativeFontInfo(wxMSWImpl::GetNonClientMetrics().lfMenuFont));
+ }
+
+ static wxFont* ms_systemMenuFont;
+ static int ms_systemMenuHeight;
+ static bool ms_alwaysShowCues;
+
+
+ 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_systemMenuHeight = 0;
+bool wxMSWSystemMenuFontModule::ms_alwaysShowCues = false;
+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
// ctor
// ----
wxOwnerDrawn::wxOwnerDrawn(const wxString& str,
- bool bCheckable, bool WXUNUSED(bMenuItem))
+ bool bCheckable,
+ bool bMenuItem)
: m_strName(str)
{
-#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)
+ if ( ms_nDefaultMarginWidth == 0 )
{
- ms_nDefaultMarginWidth = nm.iMenuWidth;
- ms_nLastMarginWidth = nm.iMenuWidth;
+ ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) +
+ wxSystemSettings::GetMetric(wxSYS_EDGE_X);
+ ms_nLastMarginWidth = ms_nDefaultMarginWidth;
}
- 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
-
m_bCheckable = bCheckable;
- m_bOwnerDrawn = FALSE;
+ m_bOwnerDrawn = false;
+ m_isMenuItem = bMenuItem;
m_nHeight = 0;
m_nMarginWidth = ms_nLastMarginWidth;
}
+wxOwnerDrawn::~wxOwnerDrawn()
+{
+}
-// these items will be set during the first invocation of the c'tor,
+bool wxOwnerDrawn::IsMenuItem() const
+{
+ return m_isMenuItem;
+}
+
+
+// these items will be set during the first invocation of the ctor,
// because the values will be determined by checking the system settings,
-// which is a chunk of code
+// which is a chunk of code
size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 0;
size_t wxOwnerDrawn::ms_nLastMarginWidth = 0;
// drawing
// -------
-// get size of the item
-bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight)
+wxFont wxOwnerDrawn::GetFontToUse() const
{
- wxMemoryDC dc;
-
- wxString str = wxStripMenuCodes(m_strName);
+ wxFont font = m_font;
+ if ( !font.Ok() )
+ {
+ if ( IsMenuItem() )
+ font = wxMSWSystemMenuFontModule::GetSystemMenuFont();
- // # without this menu items look too tightly packed (at least under Windows)
- str += wxT('W'); // 'W' is typically the widest letter
+ if ( !font.Ok() )
+ font = *wxNORMAL_FONT;
+ }
- if (m_font.Ok())
- dc.SetFont(GetFont());
+ return font;
+}
- dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
+// 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;
- // JACS: items still look too tightly packed, so adding 5 pixels.
- (*pheight) = (*pheight) + 5;
+ wxString str = wxStripMenuCodes(m_strName);
- // 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;
+ // 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;
+ }
- // 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;
+ dc.SetFont(GetFontToUse());
- // Do we need to widen margin to fit BMP?
- if ((size_t)GetMarginWidth() < adjustedWidth)
- SetMarginWidth(adjustedWidth);
- }
+ wxCoord w, h;
+ dc.GetTextExtent(str, &w, &h);
+ *pwidth = w;
+ *pheight = h;
+ }
+ else // don't draw the text, just the bitmap (if any)
+ {
+ *pwidth =
+ *pheight = 0;
+ }
- // make sure that this item is at least as
- // tall as the user's system settings specify
- if (*pheight < m_nMinHeight)
- *pheight = m_nMinHeight;
+ // increase size to accommodate bigger bitmaps if necessary
+ if (m_bmpChecked.Ok())
+ {
+ // Is BMP height larger than text height?
+ size_t adjustedHeight = m_bmpChecked.GetHeight();
+ if ( *pheight < adjustedHeight )
+ *pheight = adjustedHeight;
+
+ const int widthBmp = m_bmpChecked.GetWidth();
+ if ( IsOwnerDrawn() )
+ {
+ // widen the margin to fit the bitmap if necessary
+ if ( GetMarginWidth() < widthBmp )
+ SetMarginWidth(widthBmp);
+ }
+ else // we must allocate enough space for the bitmap
+ {
+ *pwidth += widthBmp;
+ }
+ }
- m_nHeight = *pheight; // remember height for use in OnDrawItem
+ // add a 4-pixel separator, otherwise menus look cluttered
+ *pwidth += 4;
- return TRUE;
-}
+ // notice that this adjustment must be done after (possibly) changing the
+ // margin width above
+ if ( IsOwnerDrawn() )
+ {
+ // 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;
+ }
-// 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)
+ // make sure that this item is at least as tall as the system menu height
+ const size_t heightStd = wxMSWSystemMenuFontModule::GetSystemMenuHeight();
+ if ( *pheight < heightStd )
+ *pheight = heightStd;
-// 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?
+ // remember height for use in OnDrawItem
+ m_nHeight = *pheight;
-#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__)
-#define O_DRAW_NATIVE_API // comments below explain why I use it
-#endif
+ return true;
+}
// draw the item
bool wxOwnerDrawn::OnDrawItem(wxDC& dc,
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);
- 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()
+ // 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;
+ }
+
+
+ wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+ HDC hdc = GetHdcOf(*impl);
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
- // ---------------------------------
+ // *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.
- // Add 3 pixel padding so text appears well within highlight rectangle
- int x = rc.x + GetMarginWidth() + 3;
+ // 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 '&'
- #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;
+ // 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);
+
+ int flags = DST_PREFIXTEXT;
+ if ( (st & wxODDisabled) && !(st & wxODSelected) )
+ flags |= DSS_DISABLED;
+
+ if ( (st & wxODHidePrefix) &&
+ !wxMSWSystemMenuFontModule::AlwaysShowCues() )
+ flags |= DSS_HIDEPREFIX;
+
+ ::DrawState
+ (
+ hdc,
+ NULL,
+ NULL,
+ (LPARAM)strMenuText.wx_str(),
+ strMenuText.length(),
+ xText,
+ rc.y + (rc.GetHeight() - sizeRect.cy + 1)/2, // centre vertically
+ rc.GetWidth() - margin,
+ sizeRect.cy,
+ flags
+ );
+
+ // ::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);
}
- FillRect(hdc, &rectFill, hbr);
-
- DeleteObject(hbr);
- // use default font if no font set
- HFONT hfont;
- if ( m_font.Ok() ) {
- m_font.RealizeResource();
- hfont = (HFONT)m_font.GetResourceHandle();
+ // 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 {
- hfont = (HFONT)::GetStockObject(SYSTEM_FONT);
+ 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);
+ }
+ }
}
- HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);
+ ::SetTextColor(hdc, colOldText);
+ ::SetBkColor(hdc, colOldBack);
- wxString strStrippedName = wxStripMenuCodes(m_strName);
+ return true;
+}
- ::DrawState(hdc, NULL, NULL,
- (LPARAM)strStrippedName.c_str(), strStrippedName.length(),
- x, rc.y + 1, rc.GetWidth(), rc.GetHeight(),
- DST_PREFIXTEXT | (st & wxODDisabled ? DSS_DISABLED : 0));
- if ( !m_strAccel.empty() )
- {
- RECT r;
- r.top = rc.GetTop() + 1;
- r.left = rc.GetLeft();
- r.right = rc.GetRight() - 16;
- r.bottom = rc.GetBottom();
-
- DrawText(hdc, m_strAccel, m_strAccel.length(), &r,
- DT_SINGLELINE | DT_RIGHT);
- }
+// ----------------------------------------------------------------------------
+// global helper functions implemented here
+// ----------------------------------------------------------------------------
- (void)SelectObject(hdc, hPrevBrush);
- (void)SelectObject(hdc, hPrevFont);
- (void)SetBkMode(hdc, nPrevMode);
- #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 ) {
-
- 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);
- }
- }
- }
+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( _T("DrawStateBitmap: unknown wxDSBStates value") );
+ result = FALSE;
+ }
- return TRUE;
+ return result;
}
-
#endif // wxUSE_OWNER_DRAWN
-
projects / wxWidgets.git / blobdiff