// Name: msw/ownerdrw.cpp
// Purpose: implementation of wxOwnerDrawn class
// Author: Vadim Zeitlin
-// Modified by:
+// Modified by:
// Created: 13.11.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
-// ============================================================================
-// headers & declarations
-// ============================================================================
+#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
+#include "wx/settings.h"
#include "wx/ownerdrw.h"
#include "wx/menuitem.h"
+#include "wx/fontutil.h"
+
+#if wxUSE_OWNER_DRAWN
-#include <windows.h>
// ============================================================================
// implementation of wxOwnerDrawn class
// ctor
// ----
-wxOwnerDrawn::wxOwnerDrawn(const wxTString& str,
- bool bCheckable, bool bMenuItem)
+wxOwnerDrawn::wxOwnerDrawn(const wxString& str,
+ bool bCheckable, bool WXUNUSED(bMenuItem))
: m_strName(str)
{
- m_bCheckable = bCheckable;
- m_bOwnerDrawn = FALSE;
- m_nHeight = 0;
- m_nMarginWidth = ms_nLastMarginWidth;
-}
+#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;
+ }
-#if defined(__WXMSW__) && defined(__WIN32__)
- uint wxOwnerDrawn::ms_nDefaultMarginWidth = GetSystemMetrics(SM_CXMENUCHECK);
-#else // # what is the reasonable default?
- uint wxOwnerDrawn::ms_nDefaultMarginWidth = 15;
+ 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
-uint wxOwnerDrawn::ms_nLastMarginWidth = ms_nDefaultMarginWidth;
+ m_bCheckable = bCheckable;
+ m_bOwnerDrawn = FALSE;
+ m_nHeight = 0;
+ m_nMarginWidth = ms_nLastMarginWidth;
+}
+
+
+// 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;
+
// drawing
// -------
// get size of the item
-bool wxOwnerDrawn::OnMeasureItem(uint *pwidth, uint *pheight)
+// 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;
- dc.SetFont(GetFont());
- // ## ugly...
- char *szStripped = new char[m_strName.Len()];
- wxStripMenuCodes((char *)m_strName.c_str(), szStripped);
- wxString str = szStripped;
- delete [] szStripped;
+ 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;
+ }
- // # without this menu items look too tightly packed (at least under Windows)
- str += 'W'; // 'W' is typically the widest letter
+ 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 += (size_t) (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;
// Win32 GDI functions and not wxWindows ones. Might help to whoever decides to
// port this code to X. (VZ)
-#ifdef __WIN32__
+// 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?
+
+#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__)
#define O_DRAW_NATIVE_API // comments below explain why I use it
#endif
// draw the item
-bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus st)
+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) RGB(col.Red(), col.Green(), col.Blue())
+ #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);
+ 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),
// select the font and draw the text
// ---------------------------------
- // determine where to draw and leave space for a check-mark.
- int x = rc.x + GetMarginWidth();
- // using native API because it reckognizes '&'
+ // 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 = SelectObject(hdc, hbr);
+ HBRUSH hbr = CreateSolidBrush(colBack),
+ hPrevBrush = (HBRUSH)SelectObject(hdc, hbr);
- RECT rectAll = { rc.GetLeft(), rc.GetTop(), rc.GetRight(), rc.GetBottom() };
- FillRect(hdc, &rectAll, 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;
+ }
+
+ FillRect(hdc, &rectFill, hbr);
// use default font if no font set
HFONT hfont;
hfont = (HFONT)::GetStockObject(SYSTEM_FONT);
}
- HFONT hPrevFont = ::SelectObject(hdc, hfont);
- DrawState(hdc, NULL, NULL,
- (LPARAM)(const char *)m_strName, m_strName.Length(),
- x, rc.y, rc.GetWidth(), rc.GetHeight(),
- DST_PREFIXTEXT | ( st & wxODDisabled ? DSS_DISABLED : 0) );
+ HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);
+
+ wxString strMenuText = m_strName.BeforeFirst('\t');
+
+ SIZE sizeRect;
+ GetTextExtentPoint32(hdc,strMenuText.c_str(), strMenuText.Length(),&sizeRect);
+ ::DrawState(hdc, NULL, NULL,
+ (LPARAM)strMenuText.c_str(), strMenuText.length(),
+ x, rc.y+( (int) ((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 ( !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+(int) ((rc.GetHeight()-sizeRect.cy)/2.0),
+ rc.GetWidth()-GetMarginWidth(), sizeRect.cy,
+ DST_TEXT |
+ (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
+ ::SetTextAlign(hdc, TA_LEFT);
+ }
(void)SelectObject(hdc, hPrevBrush);
(void)SelectObject(hdc, hPrevFont);
(void)SetBkMode(hdc, nPrevMode);
+
+ DeleteObject(hbr);
#else
dc.SetFont(GetFont());
- dc.DrawText(m_strName, x, rc.y);
+ dc.DrawText(wxStripMenuCodes(m_strName), x, rc.y);
#endif //O_DRAW_NATIVE_API
// draw the bitmap
if ( st & wxODChecked ) {
// using native APIs for performance and simplicity
#ifdef O_DRAW_NATIVE_API
- // what goes on: DrawFrameControl creates a b/w mask,
+ // 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
// then draw a check mark into it
RECT rect = { 0, 0, GetMarginWidth(), m_nHeight };
- DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
+ 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,
+ 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");
// there should be enough place!
wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight()));
- dc.Blit(rc.x + (GetMarginWidth() - nBmpWidth) / 2,
- rc.y + (m_nHeight - nBmpHeight) /2,
- nBmpWidth, nBmpHeight,
- &dcMem, 0, 0, wxCOPY);
+ 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 };
+ 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
- // ## to write portable DrawEdge
+ 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
}
}
return TRUE;
}
+
+#endif // wxUSE_OWNER_DRAWN
+
projects / wxWidgets.git / blobdiff