Commit for development environment setup
This commit is contained in:
535
PROMS/FONTS/Size Project/src/XMonoFontListCombo.cpp
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535
PROMS/FONTS/Size Project/src/XMonoFontListCombo.cpp
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@@ -0,0 +1,535 @@
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// XMonoFontListCombo.cpp
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//
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// Author: Hans Dietrich
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// hdietrich@gmail.com
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//
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// Description:
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// XMonoFontListCombo.cpp implements CXMonoFontListCombo, a class used by
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// CXMonoFontDialog to display font names.
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//
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// License:
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// This software is released into the public domain. You are free to use
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// it in any way you like, except that you may not sell this source code.
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//
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// This software is provided "as is" with no expressed or implied warranty.
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// I accept no liability for any damage or loss of business that this
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// software may cause.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "XMonoFontListCombo.h"
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#include "XMonoFontDialog.h"
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#include "XFontSize.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#ifndef __noop
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#if _MSC_VER < 1300
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#define __noop ((void)0)
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#endif
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#endif
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#undef TRACE
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#define TRACE __noop
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//=============================================================================
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// if you want to see the TRACE output, uncomment this line:
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//#include "XTrace.h"
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//=============================================================================
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#pragma warning(disable : 4996) // disable bogus deprecation warning
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#define GLYPH_SIZE 12
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#define TIMER_INIT 1
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static int CALLBACK EnumFontFamExProc(const ENUMLOGFONTEX *lpelfe,
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const NEWTEXTMETRICEX *lpntme,
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DWORD FontType,
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LPARAM lParam);
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//=============================================================================
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BEGIN_MESSAGE_MAP(CXMonoFontListCombo, CComboBox)
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//=============================================================================
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//{{AFX_MSG_MAP(CXMonoFontListCombo)
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ON_WM_TIMER()
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ON_WM_CTLCOLOR()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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//=============================================================================
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CXMonoFontListCombo::CXMonoFontListCombo()
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//=============================================================================
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{
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m_bShowMonospacedAsBold = TRUE;
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m_pDC = 0;
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m_dwFontFilter = 0;
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memset(&m_lfInitial, 0, sizeof(LOGFONT));
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m_lfInitial.lfCharSet = DEFAULT_CHARSET;
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_tcscpy(m_lfInitial.lfFaceName, _T("Courier"));
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m_lfInitial.lfHeight = FontSize.GetFontHeight(8);
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memcpy(&m_lfCurrent, &m_lfInitial, sizeof(LOGFONT));
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}
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//=============================================================================
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CXMonoFontListCombo::~CXMonoFontListCombo()
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//=============================================================================
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{
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if (m_BoldFont.GetSafeHandle())
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m_BoldFont.DeleteObject();
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m_FontType.DeleteImageList();
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}
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//=============================================================================
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void CXMonoFontListCombo::PreSubclassWindow()
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//=============================================================================
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{
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TRACE(_T("in CXMonoFontListCombo::PreSubclassWindow\n"));
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TRACE(_T("m_dwFontFilter=%X\n"), m_dwFontFilter);
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CreateFontTypeImages();
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CFont *pFont = GetFont();
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if (!pFont)
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pFont = GetParent()->GetFont();
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if (pFont)
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{
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LOGFONT lf;
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pFont->GetLogFont(&lf);
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lf.lfWeight = FW_BOLD;
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m_BoldFont.CreateFontIndirect(&lf);
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}
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// enumerate fonts, fill combo
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LOGFONT lf;
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memset(&lf, 0, sizeof(LOGFONT));
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lf.lfCharSet = DEFAULT_CHARSET;
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m_pDC = GetDC(); // use one dc for enumeration
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if (m_pDC)
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{
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int nSavedDC = m_pDC->SaveDC();
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EnumFontFamiliesEx(m_pDC->m_hDC,
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&lf,
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(FONTENUMPROC)EnumFontFamExProc,
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(LPARAM)this,
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0);
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TEXTMETRIC tm;
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m_pDC->GetTextMetrics(&tm);
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m_pDC->RestoreDC(nSavedDC);
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ReleaseDC(m_pDC);
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// set height of edit box and combo list entries
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int h = tm.tmHeight - tm.tmInternalLeading;
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SetItemHeight(0, h);
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SetItemHeight(-1, h);
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}
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m_pDC = 0;
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// select initial font
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int index = FindStringExact(-1, m_lfInitial.lfFaceName);
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if (index == CB_ERR)
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{
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if (GetCount() > 0)
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index = 0;
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}
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m_CurIndex = index;
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if (index >= 0)
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{
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SetCurSel(index);
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SetTimer(TIMER_INIT, 50, 0);
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}
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TRACE(_T("exiting CXMonoFontListCombo::PreSubclassWindow\n"));
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CComboBox::PreSubclassWindow();
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}
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//=============================================================================
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void CXMonoFontListCombo::CreateFontTypeImages()
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//=============================================================================
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{
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ASSERT(m_FontType.GetSafeHandle() == 0);
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// We load the font type images from resource 38 in COMDLG32.DLL.
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// This bitmap is 100 x 24, and has 2 rows of 5 images
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HMODULE hModule = ::LoadLibraryEx(_T("COMDLG32.DLL"), NULL,
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DONT_RESOLVE_DLL_REFERENCES);
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ASSERT(hModule);
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if (!hModule)
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return;
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HBITMAP hBmp = (HBITMAP)::LoadImage(hModule, MAKEINTRESOURCE(38),
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IMAGE_BITMAP, 100, 24, LR_DEFAULTCOLOR);
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::FreeLibrary(hModule);
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ASSERT(hBmp);
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if (!hBmp)
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return;
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CClientDC dcClient(this);
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// We create one image list for the selected and non-selected
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// glyphs. The images are:
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// 0 - TrueType non-selected
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// 1 - OpenType non-selected
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// 2 - TrueType selected
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// 3 - OpenType selected
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if (m_FontType.Create(GLYPH_SIZE, GLYPH_SIZE, ILC_COLOR32 | ILC_MASK, 4, 1))
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{
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CDC dcMem;
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dcMem.CreateCompatibleDC(&dcClient);
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CBitmap *pBmp = CBitmap::FromHandle(hBmp);
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CBitmap *pOldBitmap = dcMem.SelectObject(pBmp);
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// dcMem now contains the 100 x 24 bitmap (2 rows) from COMDLG32.DLL.
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// The individual images are at 0, 20, 40, 60, and 80.
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// We want the images at 0 and 40 in each row.
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CDC dcBitmap1;
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dcBitmap1.CreateCompatibleDC(&dcClient);
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CBitmap bmp1;
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bmp1.CreateCompatibleBitmap(&dcClient, 2*GLYPH_SIZE, GLYPH_SIZE);
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// extract non-selected images from top row
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CBitmap *pOldBitmap1 = dcBitmap1.SelectObject(&bmp1);
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dcBitmap1.FillSolidRect(0, 0, 2*GLYPH_SIZE, GLYPH_SIZE, GetSysColor(COLOR_WINDOW));
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// we want 1st (TrueType) and 3rd (OpenType) images
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dcBitmap1.BitBlt(0, 0, GLYPH_SIZE, GLYPH_SIZE, &dcMem, 3, 0, SRCCOPY);
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dcBitmap1.BitBlt(GLYPH_SIZE, 0, GLYPH_SIZE, GLYPH_SIZE, &dcMem, 43, 0, SRCCOPY);
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dcBitmap1.SelectObject(pOldBitmap1);
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m_FontType.Add(&bmp1, RGB(0,0,255)); // different mask color for each row
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// extract selected images from 2nd row
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dcBitmap1.SelectObject(&bmp1);
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dcBitmap1.FillSolidRect(0, 0, 2*GLYPH_SIZE, GLYPH_SIZE, GetSysColor(COLOR_WINDOW));
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// we want 1st (TrueType) and 3rd (OpenType) images
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dcBitmap1.BitBlt(0, 0, GLYPH_SIZE, GLYPH_SIZE, &dcMem, 3, GLYPH_SIZE, SRCCOPY);
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dcBitmap1.BitBlt(GLYPH_SIZE, 0, GLYPH_SIZE, GLYPH_SIZE, &dcMem, 43, GLYPH_SIZE, SRCCOPY);
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dcBitmap1.SelectObject(pOldBitmap1);
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m_FontType.Add(&bmp1, RGB(255,0,255)); // different mask color for each row
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dcBitmap1.DeleteDC();
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bmp1.DeleteObject();
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dcMem.SelectObject(pOldBitmap);
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dcMem.DeleteDC();
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}
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::DeleteObject(hBmp);
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}
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//=============================================================================
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CXMonoFontListCombo& CXMonoFontListCombo::SetFont(LOGFONT& lf)
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//=============================================================================
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{
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memcpy(&m_lfInitial, &lf, sizeof(LOGFONT));
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memcpy(&m_lfCurrent, &lf, sizeof(LOGFONT));
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return *this;
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}
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//=============================================================================
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void CXMonoFontListCombo::DrawItem(LPDRAWITEMSTRUCT lpDIS)
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//=============================================================================
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{
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if (lpDIS->itemID == -1)
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return;
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ASSERT(lpDIS->CtlType == ODT_COMBOBOX);
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CRect rect = lpDIS->rcItem;
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int nSavedDC = ::SaveDC(lpDIS->hDC);
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CDC dc;
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dc.Attach(lpDIS->hDC);
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if (lpDIS->itemState & ODS_FOCUS)
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dc.DrawFocusRect(&rect);
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COLORREF crText = ::GetSysColor(COLOR_WINDOWTEXT);
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COLORREF crBackground = ::GetSysColor(COLOR_WINDOW);
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if (lpDIS->itemState & ODS_SELECTED)
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{
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crText = ::GetSysColor(COLOR_HIGHLIGHTTEXT);
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crBackground = ::GetSysColor(COLOR_HIGHLIGHT);
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}
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dc.SetBkMode(TRANSPARENT);
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dc.SetTextColor(crText);
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dc.FillSolidRect(&rect, crBackground);
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CString strFontName = _T("");
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GetLBText(lpDIS->itemID, strFontName);
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// draw the font type glyph
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DWORD dwData = GetItemData(lpDIS->itemID);
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//TRACE(_T("dwData=0x%X for %s\n"), dwData, strFontName);
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CPoint point(rect.left+3, rect.top);
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int nImage = -1;
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if (dwData & XFONT_TRUETYPE)
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nImage = 0;
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else if (dwData & XFONT_OPENTYPE)
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nImage = 1;
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if (nImage != -1)
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{
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if (lpDIS->itemState & ODS_SELECTED)
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nImage += 2;
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if (m_FontType.GetSafeHandle())
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m_FontType.Draw(&dc, nImage, point, ILD_TRANSPARENT);
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}
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if ((dwData & XFONT_MONOSPACED) && m_bShowMonospacedAsBold)
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{
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if (m_BoldFont.GetSafeHandle())
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dc.SelectObject(&m_BoldFont);
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}
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rect.left += GLYPH_SIZE + 8;
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// draw the text
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dc.TextOut(rect.left, rect.top, strFontName);
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dc.Detach();
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::RestoreDC(lpDIS->hDC, nSavedDC);
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}
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//=============================================================================
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// This function is the enumeration callback for font names.
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// Its purpose is to fill the font combo with non-duplicate names,
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// and screen out unwanted fonts based on font filter.
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int CALLBACK EnumFontFamExProc(const ENUMLOGFONTEX *lpelfe,
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const NEWTEXTMETRICEX *lpntme,
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DWORD FontType,
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LPARAM lParam)
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//=============================================================================
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{
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CXMonoFontListCombo *pCombo = (CXMonoFontListCombo *) lParam;
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ASSERT(lpelfe);
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ASSERT(lpntme);
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ASSERT(pCombo);
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if (!lpelfe || !lpntme || !pCombo)
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return FALSE; // something seriously wrong
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if (pCombo->FindStringExact(-1, lpelfe->elfLogFont.lfFaceName) != CB_ERR)
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{
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// already in combo
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return TRUE; // continue enumeration
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}
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// save font attributes - this will be stored in combobox item data
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DWORD dwData = 0;
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UINT fonttype = lpntme->ntmTm.tmPitchAndFamily & 0x6;
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if (fonttype == 0)
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dwData |= XFONT_RASTER;
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if (fonttype == 2)
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dwData |= XFONT_VECTOR;
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if (lpntme->ntmTm.tmCharSet == OEM_CHARSET)
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dwData |= XFONT_OEM;
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if (lpntme->ntmTm.tmCharSet == SYMBOL_CHARSET)
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dwData |= XFONT_SYMBOL;
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if (lpntme->ntmTm.tmWeight > 600)
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dwData |= XFONT_BOLD;
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if (lpntme->ntmTm.tmItalic)
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dwData |= XFONT_ITALIC;
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DWORD weight = lpntme->ntmTm.tmWeight;
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weight = weight << 16;
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dwData |= weight;
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UINT family = lpntme->ntmTm.tmPitchAndFamily & 0xF0;
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dwData |= family;
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// check if monospaced
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if (pCombo->m_pDC)
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{
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BOOL bMonoSpaced = FALSE;
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LOGFONT lf;
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memset(&lf, 0, sizeof(LOGFONT));
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_tcsncpy(lf.lfFaceName, lpelfe->elfLogFont.lfFaceName,
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sizeof(lf.lfFaceName)/sizeof(TCHAR)-1);
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lf.lfFaceName[sizeof(lf.lfFaceName)/sizeof(TCHAR)-1] = 0;
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lf.lfWeight = FW_NORMAL;
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lf.lfCharSet = DEFAULT_CHARSET;
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HFONT hFont = ::CreateFontIndirect(&lf);
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ASSERT(hFont);
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if (hFont)
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{
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// font is monospaced if
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// (1) width of W == width of !
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// (2) it is not a symbol font
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HFONT hFontOld = (HFONT)::SelectObject(pCombo->m_pDC->m_hDC, hFont);
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TEXTMETRIC tm;
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::GetTextMetrics(pCombo->m_pDC->m_hDC, &tm);
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SIZE sizeChar1;
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::GetTextExtentPoint32(pCombo->m_pDC->m_hDC, _T("W"), 1, &sizeChar1);
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SIZE sizeChar2;
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::GetTextExtentPoint32(pCombo->m_pDC->m_hDC, _T("!"), 1, &sizeChar2);
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bMonoSpaced = sizeChar1.cx == sizeChar2.cx;
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if (tm.tmCharSet == SYMBOL_CHARSET)
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bMonoSpaced = FALSE;
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if (hFontOld)
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::SelectObject(pCombo->m_pDC->m_hDC, hFontOld);
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::DeleteObject(hFont);
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}
|
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if (bMonoSpaced)
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dwData |= XFONT_MONOSPACED;
|
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}
|
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BOOL bOkToAdd = TRUE;
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TRACE(_T("m_dwFontFilter=%X\n"), pCombo->m_dwFontFilter);
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|
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if (bOkToAdd && ((pCombo->m_dwFontFilter & XFONT_SHOW_SYMBOL) == 0))
|
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{
|
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// don't show symbol fonts
|
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if (dwData & XFONT_SYMBOL)
|
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bOkToAdd = FALSE;
|
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}
|
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|
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if (bOkToAdd && ((pCombo->m_dwFontFilter & XFONT_SHOW_ITALIC) == 0))
|
||||
{
|
||||
// don't show italic fonts
|
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if (dwData & XFONT_ITALIC)
|
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bOkToAdd = FALSE;
|
||||
}
|
||||
|
||||
if (bOkToAdd && ((pCombo->m_dwFontFilter & XFONT_SHOW_BOLD) == 0))
|
||||
{
|
||||
// don't show bold fonts
|
||||
if (dwData & XFONT_BOLD)
|
||||
bOkToAdd = FALSE;
|
||||
}
|
||||
|
||||
if (bOkToAdd && ((pCombo->m_dwFontFilter & XFONT_SHOW_MONOSPACED) == 0))
|
||||
{
|
||||
// don't show monospaced fonts
|
||||
if (dwData & XFONT_MONOSPACED)
|
||||
bOkToAdd = FALSE;
|
||||
}
|
||||
|
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DWORD dwSpecial = XFONT_BOLD|XFONT_ITALIC|XFONT_SYMBOL|XFONT_MONOSPACED;
|
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if (bOkToAdd && ((pCombo->m_dwFontFilter & XFONT_SHOW_NORMAL) == 0))
|
||||
{
|
||||
// don't show normal fonts
|
||||
if ((dwData & dwSpecial) == 0)
|
||||
bOkToAdd = FALSE;
|
||||
}
|
||||
|
||||
if (bOkToAdd)
|
||||
{
|
||||
// According to docs, "The function uses the NEWTEXTMETRICEX structure
|
||||
// for TrueType fonts; and the TEXTMETRIC structure for other fonts."
|
||||
// In practice, it seems that a NEWTEXTMETRICEX struct is always returned,
|
||||
// but just to be safe we prepare for an exception.
|
||||
__try
|
||||
{
|
||||
if ((lpntme->ntmTm.ntmFlags & NTM_TT_OPENTYPE) ||
|
||||
(lpntme->ntmTm.ntmFlags & NTM_PS_OPENTYPE))
|
||||
{
|
||||
dwData |= XFONT_OPENTYPE;
|
||||
}
|
||||
else if (FontType & TRUETYPE_FONTTYPE)
|
||||
{
|
||||
dwData |= XFONT_TRUETYPE;
|
||||
}
|
||||
}
|
||||
__except(EXCEPTION_EXECUTE_HANDLER)
|
||||
{
|
||||
TRACE(_T("ERROR: exception in EnumFontFamExProc()\n"));
|
||||
}
|
||||
|
||||
int index = pCombo->AddString(lpelfe->elfLogFont.lfFaceName);
|
||||
ASSERT(index >= 0);
|
||||
|
||||
if (index >= 0)
|
||||
{
|
||||
VERIFY(pCombo->SetItemData(index, dwData) != CB_ERR);
|
||||
}
|
||||
|
||||
TRACE(_T("_____ added %s [%s] FontType=0x%X ntmFlags=0x%X tmCharSet=%d tmPitchAndFamily=0x%X dwData=0x%X \n"),
|
||||
lpelfe->elfLogFont.lfFaceName,
|
||||
lpelfe->elfFullName,
|
||||
FontType,
|
||||
lpntme->ntmTm.ntmFlags,
|
||||
lpntme->ntmTm.tmCharSet,
|
||||
lpntme->ntmTm.tmPitchAndFamily,
|
||||
dwData);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
//=============================================================================
|
||||
void CXMonoFontListCombo::OnTimer(UINT nIDEvent)
|
||||
//=============================================================================
|
||||
{
|
||||
KillTimer(nIDEvent);
|
||||
|
||||
if (nIDEvent == TIMER_INIT)
|
||||
{
|
||||
// send initial selection message
|
||||
GetParent()->SendMessage(WM_COMMAND,
|
||||
MAKEWPARAM(GetDlgCtrlID(), CBN_SELCHANGE),
|
||||
(LPARAM)m_hWnd);
|
||||
if (m_CurIndex >= 0)
|
||||
{
|
||||
DWORD dwData = GetItemData(m_CurIndex);
|
||||
// set bold typeface in edit box
|
||||
SetBold(m_bShowMonospacedAsBold && (dwData & XFONT_MONOSPACED));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
CComboBox::OnTimer(nIDEvent);
|
||||
}
|
||||
|
||||
//=============================================================================
|
||||
HBRUSH CXMonoFontListCombo::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
|
||||
//=============================================================================
|
||||
{
|
||||
if (nCtlColor == CTLCOLOR_EDIT)
|
||||
{
|
||||
if (m_edit.GetSafeHwnd() == NULL)
|
||||
{
|
||||
// subclass edit box
|
||||
m_edit.SubclassWindow(pWnd->GetSafeHwnd());
|
||||
m_edit.SetReadOnly(TRUE);
|
||||
}
|
||||
}
|
||||
|
||||
return CComboBox::OnCtlColor(pDC, pWnd, nCtlColor);
|
||||
}
|
||||
|
||||
//=============================================================================
|
||||
LRESULT CXMonoFontListCombo::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
|
||||
//=============================================================================
|
||||
{
|
||||
if (message == WM_CHAR)
|
||||
{
|
||||
// try to match first character of font name
|
||||
TCHAR s[2] = { 0 };
|
||||
s[0] = (TCHAR) wParam;
|
||||
int index = FindString(-1, s);
|
||||
if (index >= 0)
|
||||
{
|
||||
SetCurSel(index);
|
||||
// tell parent that selection has changed
|
||||
GetParent()->SendMessage(WM_COMMAND,
|
||||
MAKEWPARAM(GetDlgCtrlID(), CBN_SELCHANGE), (LPARAM)m_hWnd);
|
||||
}
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return CComboBox::WindowProc(message, wParam, lParam);
|
||||
}
|
||||
Reference in New Issue
Block a user