///////////////////////////////////////////////////////////////////////////////
-// Name: msw/ownerdrw.cpp
+// Name: src/msw/ownerdrw.cpp
// Purpose: implementation of wxOwnerDrawn class
// Author: Vadim Zeitlin
// Modified by:
// 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
+#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"
-#include "wx/module.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()
{
- ms_systemMenuFont = new wxFont;
+ return true;
+ }
-#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK)
- NONCLIENTMETRICS nm;
- nm.cbSize = sizeof(NONCLIENTMETRICS);
- SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,&nm,0);
+ virtual void OnExit()
+ {
+ if ( ms_systemMenuFont )
+ {
+ delete ms_systemMenuFont;
+ ms_systemMenuFont = NULL;
+ }
+ }
- ms_systemMenuButtonWidth = nm.iMenuHeight;
- ms_systemMenuHeight = nm.iMenuHeight;
+ static const wxFont& GetSystemMenuFont()
+ {
+ if ( !ms_systemMenuFont )
+ DoInitFont();
- // create menu font
- wxNativeFontInfo info;
- memcpy(&info.lf, &nm.lfMenuFont, sizeof(LOGFONT));
- ms_systemMenuFont->Create(info);
+ return *ms_systemMenuFont;
+ }
- if (SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &ms_showCues, 0) == 0)
- ms_showCues = true;
-#endif
+ static int GetSystemMenuHeight()
+ {
+ if ( !ms_systemMenuHeight )
+ DoInitMetrics();
- return true;
+ return ms_systemMenuHeight;
}
- virtual void OnExit()
+ static bool AlwaysShowCues()
{
- delete ms_systemMenuFont;
- ms_systemMenuFont = NULL;
+ if ( !ms_systemMenuHeight )
+ DoInitMetrics();
+
+ return ms_alwaysShowCues;
}
- 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:
+ 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)
};
// 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;
+int wxMSWSystemMenuFontModule::ms_systemMenuHeight = 0;
+bool wxMSWSystemMenuFontModule::ms_alwaysShowCues = false;
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"
+// 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);
-static OwnerDrawnSet gs_menuItems;
+#ifdef POP_WARNINGS
+ #pragma warning(pop)
+#endif
// ============================================================================
// implementation of wxOwnerDrawn class
bool bMenuItem)
: m_strName(str)
{
- if (ms_nDefaultMarginWidth == 0)
+ if ( ms_nDefaultMarginWidth == 0 )
{
ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) +
wxSystemSettings::GetMetric(wxSYS_EDGE_X);
m_bCheckable = bCheckable;
m_bOwnerDrawn = false;
+ m_isMenuItem = bMenuItem;
m_nHeight = 0;
m_nMarginWidth = ms_nLastMarginWidth;
- m_nMinHeight = wxMSWSystemMenuFontModule::ms_systemMenuHeight;
-
- m_bmpDisabled = wxNullBitmap;
-
- // 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);
- }
}
wxOwnerDrawn::~wxOwnerDrawn()
{
- // TODO: remove this in 2.7
- gs_menuItems.erase(this);
}
bool wxOwnerDrawn::IsMenuItem() const
{
- // TODO: in 2.7, replace this with simple "return m_isMenuItem"
- return gs_menuItems.count(this) == 1;
+ return m_isMenuItem;
}
-// these items will be set during the first invocation of the c'tor,
+// 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
size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 0;
if ( !font.Ok() )
{
if ( IsMenuItem() )
- font = *wxMSWSystemMenuFontModule::ms_systemMenuFont;
+ font = wxMSWSystemMenuFontModule::GetSystemMenuFont();
if ( !font.Ok() )
font = *wxNORMAL_FONT;
// placed on top of each other.
if ( !m_strAccel.empty() )
{
- str.Pad(str.Length()%8);
+ str.Pad(str.length()%8);
str += m_strAccel;
}
dc.SetFont(GetFontToUse());
- dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
-
- // 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;
+ wxCoord w, h;
+ dc.GetTextExtent(str, &w, &h);
+ *pwidth = w;
+ *pheight = h;
}
else // don't draw the text, just the bitmap (if any)
{
// 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)
+ // Is BMP height larger than text height?
+ size_t adjustedHeight = m_bmpChecked.GetHeight();
+ if ( *pheight < adjustedHeight )
*pheight = adjustedHeight;
- const size_t widthBmp = m_bmpChecked.GetWidth();
+ const int widthBmp = m_bmpChecked.GetWidth();
if ( IsOwnerDrawn() )
{
// widen the margin to fit the bitmap if necessary
- if ((size_t)GetMarginWidth() < widthBmp)
+ if ( GetMarginWidth() < widthBmp )
SetMarginWidth(widthBmp);
}
else // we must allocate enough space for the bitmap
// add a 4-pixel separator, otherwise menus look cluttered
*pwidth += 4;
+ // 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;
+ }
+
// make sure that this item is at least as tall as the system menu height
- if ( *pheight < m_nMinHeight )
- *pheight = m_nMinHeight;
+ const size_t heightStd = wxMSWSystemMenuFontModule::GetSystemMenuHeight();
+ if ( *pheight < heightStd )
+ *pheight = heightStd;
// remember height for use in OnDrawItem
m_nHeight = *pheight;
// draw the item
bool wxOwnerDrawn::OnDrawItem(wxDC& dc,
const wxRect& rc,
- wxODAction act,
+ wxODAction,
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))
+ // 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 )
{
- 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);
+ // 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 {
- // 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;
+ }
- // 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;
- }
+ wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+ HDC hdc = GetHdcOf(*impl);
+ COLORREF colOldText = ::SetTextColor(hdc, colText),
+ colOldBack = ::SetBkColor(hdc, colBack);
- 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);
- // *2, as in wxSYS_EDGE_Y
- int margin = GetMarginWidth() + 2 * wxSystemSettings::GetMetric(wxSYS_EDGE_X);
+ // select the font and draw the text
+ // ---------------------------------
- // 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;
- // 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);
- // using native API because it recognizes '&'
- if ( IsOwnerDrawn() )
- {
- int nPrevMode = SetBkMode(hdc, TRANSPARENT);
- AutoHBRUSH hbr(colBack);
- SelectInHDC selBrush(hdc, hbr);
+ RECT rectFill;
+ wxCopyRectToRECT(rc, rectFill);
- 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;
+ }
- 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);
- FillRect(hdc, &rectFill, hbr);
+ // use default font if no font set
+ wxFont fontToUse = GetFontToUse();
+ SelectInHDC selFont(hdc, GetHfontOf(fontToUse));
- // use default font if no font set
- wxFont fontToUse = GetFontToUse();
- SelectInHDC selFont(hdc, GetHfontOf(fontToUse));
+ wxString strMenuText = m_strName.BeforeFirst('\t');
- wxString strMenuText = m_strName.BeforeFirst('\t');
+ xText += 3; // separate text from the highlight rectangle
- xText += 3; // separate text from the highlight rectangle
+ SIZE sizeRect;
+ ::GetTextExtentPoint32(hdc, strMenuText.c_str(), strMenuText.length(), &sizeRect);
- 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
+ int flags = DST_PREFIXTEXT;
+ if ( (st & wxODDisabled) && !(st & wxODSelected) )
+ flags |= DSS_DISABLED;
- // ::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));
- }
+ if ( (st & wxODHidePrefix) &&
+ !wxMSWSystemMenuFontModule::AlwaysShowCues() )
+ flags |= DSS_HIDEPREFIX;
- (void)SetBkMode(hdc, nPrevMode);
- }
+ ::DrawState
+ (
+ hdc,
+ NULL,
+ NULL,
+ (LPARAM)strMenuText.wx_str(),
+ strMenuText.length(),
+ xText,
+ rc.y + (rc.height - sizeRect.cy) / 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.width - 16 - accel_width, rc.y + (rc.height - sizeRect.cy) / 2,
+ 0, 0,
+ DST_TEXT |
+ (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
+ }
- // 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
+ (void)SetBkMode(hdc, nPrevMode);
+ }
- // 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);
- }
+ // 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;
- // finally copy it to screen DC and clean up
- BitBlt(hdc, rc.x, rc.y, margin, m_nHeight,
- hdcMem, 0, 0, SRCCOPY);
+ if ( st & wxODDisabled )
+ {
+ bmp = GetDisabledBitmap();
+ }
- DeleteDC(hdcMem);
- DeleteObject(hbmpCheck);
- }
- }
- else {
- wxBitmap bmp;
+ 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 ( st & wxODDisabled )
- {
- bmp = GetDisabledBitmap();
+ 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);
+ }
+ }
}
- 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));
- }
+ ::SetTextColor(hdc, colOldText);
+ ::SetBkColor(hdc, colOldBack);
- if ( bmp.Ok() ) {
- wxMemoryDC dcMem(&dc);
- dcMem.SelectObject(bmp);
+ return true;
+}
- // center bitmap
- int nBmpWidth = bmp.GetWidth(),
- nBmpHeight = bmp.GetHeight();
- // there should be enough space!
- wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight()));
+// ----------------------------------------------------------------------------
+// global helper functions implemented here
+// ----------------------------------------------------------------------------
- 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 */);
+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;
- if ( ( st & wxODSelected ) && !( st & wxODDisabled ) && draw_bitmap_edge ) {
- RECT rectBmp = { rc.GetLeft(), rc.GetTop(),
- rc.GetLeft() + margin,
- rc.GetTop() + m_nHeight };
- SetBkColor(hdc, colBack);
+ BOOL result;
- DrawEdge(hdc, &rectBmp, BDR_RAISEDINNER, BF_RECT);
- }
+ 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;
}
- }
- ::SetTextColor(hdc, colOldText);
- ::SetBkColor(hdc, colOldBack);
-
- return true;
+ return result;
}
-
#endif // wxUSE_OWNER_DRAWN
-
projects / wxWidgets.git / blobdiff