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wxWidgets/samples/font/font.cpp
Vadim Zeitlin 468545943a Remove unnecessary line from the font sample 
This was mistakenly left over in the commit adding private fonts support
(547e40b114).
2018-09-17 15:24:41 +02:00

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/////////////////////////////////////////////////////////////////////////////
// Name: font.cpp
// Purpose: wxFont demo
// Author: Vadim Zeitlin
// Modified by:
// Created: 30.09.99
// Copyright: (c) 1999 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all standard wxWidgets headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#include "wx/log.h"
#endif
#include "wx/checkbox.h"
#include "wx/choicdlg.h"
#include "wx/fontdlg.h"
#include "wx/fontenum.h"
#include "wx/fontmap.h"
#include "wx/encconv.h"
#include "wx/sizer.h"
#include "wx/spinctrl.h"
#include "wx/splitter.h"
#include "wx/statline.h"
#include "wx/stdpaths.h"
#include "wx/textfile.h"
#include "wx/settings.h"
#include "../sample.xpm"
#ifdef __WXMAC__
#undef wxFontDialog
#include "wx/osx/fontdlg.h"
#endif
// used as title for several dialog boxes
static const wxChar SAMPLE_TITLE[] = wxT("wxWidgets Font Sample");
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit() wxOVERRIDE;
};
// FontPanel contains controls allowing to specify the font properties
class FontPanel : public wxPanel
{
public:
explicit FontPanel(wxWindow* parent);
void ShowFont(const wxFont& font) { m_font = font; DoUpdate(); }
wxFontInfo GetFontInfo() const;
private:
// Update m_useXXX flags depending on which control was changed last.
void OnFacename(wxCommandEvent& e) { m_useFamily = false; e.Skip(); }
void OnFamily(wxCommandEvent& e) { m_useFamily = true; e.Skip(); }
void OnWeightChoice(wxCommandEvent& e) { m_useNumericWeight = false; e.Skip(); }
void OnWeightSpin(wxCommandEvent& e) { m_useNumericWeight = true; e.Skip(); }
// Unlike wxFontXXX, the elements of these enum are consecutive, which is
// more convenient here.
enum Family
{
Family_Default,
Family_Decorative,
Family_Roman,
Family_Script,
Family_Swiss,
Family_Modern,
Family_Teletype
};
enum Style
{
Style_Normal,
Style_Italic,
Style_Slant
};
enum Weight
{
Weight_Thin,
Weight_Extralight,
Weight_Light,
Weight_Normal,
Weight_Medium,
Weight_Semibold,
Weight_Bold,
Weight_Extrabold,
Weight_Heavy,
Weight_Extraheavy
};
void DoUpdate();
wxFont m_font;
wxTextCtrl* m_textFaceName;
wxChoice* m_choiceFamily;
wxSpinCtrlDouble* m_spinPointSize;
wxChoice* m_choiceStyle;
wxChoice* m_choiceWeight;
wxSpinCtrl* m_spinWeight;
wxCheckBox* m_checkUnderlined;
wxCheckBox* m_checkStrikethrough;
wxCheckBox* m_checkFixedWidth;
wxStaticText* m_labelInfo;
bool m_useFamily;
bool m_useNumericWeight;
};
// FontCanvas shows the font characters.
class FontCanvas : public wxWindow
{
public:
explicit FontCanvas( wxWindow *parent );
// accessors for FontWindow
const wxFont& GetTextFont() const { return m_font; }
const wxColour& GetColour() const { return m_colour; }
void SetTextFont(const wxFont& font) { m_font = font; }
void SetColour(const wxColour& colour) { m_colour = colour; }
// event handlers
void OnPaint( wxPaintEvent &event );
protected:
virtual wxSize DoGetBestClientSize() const wxOVERRIDE
{
return wxSize(80*GetCharWidth(), 15*GetCharHeight());
}
private:
wxColour m_colour;
wxFont m_font;
wxDECLARE_EVENT_TABLE();
};
// FontWindow contains both FontPanel and FontCanvas
class FontWindow : public wxWindow
{
public:
explicit FontWindow(wxWindow *parent);
const wxFont& GetTextFont() const { return m_canvas->GetTextFont(); }
const wxColour& GetColour() const { return m_canvas->GetColour(); }
wxFont MakeNewFont() const { return m_panel->GetFontInfo(); }
void UpdateFont(const wxFont& font, const wxColour& colour);
private:
FontPanel* const m_panel;
FontCanvas* const m_canvas;
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame();
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnGetBaseFont(wxCommandEvent& WXUNUSED(event))
{ DoChangeFont(m_fontWindow->GetTextFont().GetBaseFont()); }
void OnIncFont(wxCommandEvent& WXUNUSED(event)) { DoResizeFont(+2); }
void OnDecFont(wxCommandEvent& WXUNUSED(event)) { DoResizeFont(-2); }
void OnBold(wxCommandEvent& event);
void OnLight(wxCommandEvent& event);
void OnItalic(wxCommandEvent& event);
void OnSlant(wxCommandEvent& event);
void OnUnderline(wxCommandEvent& event);
void OnStrikethrough(wxCommandEvent& event);
void OnwxPointerFont(wxCommandEvent& event);
void OnFontDefault(wxCommandEvent& event);
void OnwxSystemSettingsFont(wxCommandEvent& event);
void OnTestTextValue(wxCommandEvent& event);
void OnViewMsg(wxCommandEvent& event);
void OnSelectFont(wxCommandEvent& event);
void OnEnumerateFamiliesForEncoding(wxCommandEvent& event);
void OnEnumerateFamilies(wxCommandEvent& WXUNUSED(event))
{ DoEnumerateFamilies(false); }
void OnEnumerateFixedFamilies(wxCommandEvent& WXUNUSED(event))
{ DoEnumerateFamilies(true); }
void OnEnumerateEncodings(wxCommandEvent& event);
void OnSetNativeDesc(wxCommandEvent& event);
void OnSetNativeUserDesc(wxCommandEvent& event);
void OnSetFamily(wxCommandEvent& event);
void OnSetFaceName(wxCommandEvent& event);
void OnSetEncoding(wxCommandEvent& event);
void OnPrivateFont(wxCommandEvent& event);
void OnFontPanelApply(wxCommandEvent& WXUNUSED(event))
{ DoChangeFont(m_fontWindow->MakeNewFont()); }
protected:
bool DoEnumerateFamilies(bool fixedWidthOnly,
wxFontEncoding encoding = wxFONTENCODING_SYSTEM,
bool silent = false);
void DoResizeFont(int diff);
void DoChangeFont(const wxFont& font, const wxColour& col = wxNullColour);
// ask the user to choose an encoding and return it or
// wxFONTENCODING_SYSTEM if the dialog was cancelled
wxFontEncoding GetEncodingFromUser();
// ask the user to choose a font family and return it or
// wxFONTFAMILY_DEFAULT if the dialog was cancelled
wxFontFamily GetFamilyFromUser();
wxTextCtrl *m_textctrl;
FontWindow *m_fontWindow;
private:
// any class wishing to process wxWidgets events must use this macro
wxDECLARE_EVENT_TABLE();
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
Font_Quit = wxID_EXIT,
Font_About = wxID_ABOUT,
Font_ViewMsg = wxID_HIGHEST+1,
Font_TestTextValue,
Font_IncSize,
Font_DecSize,
Font_GetBaseFont,
Font_Bold,
Font_Light,
Font_Italic,
Font_Slant,
Font_Underlined,
Font_Strikethrough,
// standard global wxFont objects:
Font_wxNORMAL_FONT,
Font_wxSMALL_FONT,
Font_wxITALIC_FONT,
Font_wxSWISS_FONT,
Font_wxFont_Default,
Font_Standard,
// wxSystemSettings::GetFont possible objects:
Font_wxSYS_OEM_FIXED_FONT,
Font_wxSYS_ANSI_FIXED_FONT,
Font_wxSYS_ANSI_VAR_FONT,
Font_wxSYS_SYSTEM_FONT,
Font_wxSYS_DEVICE_DEFAULT_FONT,
Font_wxSYS_DEFAULT_GUI_FONT,
Font_SystemSettings,
Font_Choose = 100,
Font_EnumFamiliesForEncoding,
Font_EnumFamilies,
Font_EnumFixedFamilies,
Font_EnumEncodings,
Font_SetNativeDesc,
Font_SetNativeUserDesc,
Font_SetFamily,
Font_SetFaceName,
Font_SetEncoding,
Font_Private,
Font_Max
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
// the event tables connect the wxWidgets events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Font_Quit, MyFrame::OnQuit)
EVT_MENU(Font_TestTextValue, MyFrame::OnTestTextValue)
EVT_MENU(Font_ViewMsg, MyFrame::OnViewMsg)
EVT_MENU(Font_About, MyFrame::OnAbout)
EVT_MENU(Font_GetBaseFont, MyFrame::OnGetBaseFont)
EVT_MENU(Font_IncSize, MyFrame::OnIncFont)
EVT_MENU(Font_DecSize, MyFrame::OnDecFont)
EVT_MENU(Font_Bold, MyFrame::OnBold)
EVT_MENU(Font_Light, MyFrame::OnLight)
EVT_MENU(Font_Italic, MyFrame::OnItalic)
EVT_MENU(Font_Slant, MyFrame::OnSlant)
EVT_MENU(Font_Underlined, MyFrame::OnUnderline)
EVT_MENU(Font_Strikethrough, MyFrame::OnStrikethrough)
EVT_MENU(Font_wxNORMAL_FONT, MyFrame::OnwxPointerFont)
EVT_MENU(Font_wxSMALL_FONT, MyFrame::OnwxPointerFont)
EVT_MENU(Font_wxITALIC_FONT, MyFrame::OnwxPointerFont)
EVT_MENU(Font_wxSWISS_FONT, MyFrame::OnwxPointerFont)
EVT_MENU(Font_wxFont_Default, MyFrame::OnFontDefault)
EVT_MENU(Font_wxSYS_OEM_FIXED_FONT, MyFrame::OnwxSystemSettingsFont)
EVT_MENU(Font_wxSYS_ANSI_FIXED_FONT, MyFrame::OnwxSystemSettingsFont)
EVT_MENU(Font_wxSYS_ANSI_VAR_FONT, MyFrame::OnwxSystemSettingsFont)
EVT_MENU(Font_wxSYS_SYSTEM_FONT, MyFrame::OnwxSystemSettingsFont)
EVT_MENU(Font_wxSYS_DEVICE_DEFAULT_FONT, MyFrame::OnwxSystemSettingsFont)
EVT_MENU(Font_wxSYS_DEFAULT_GUI_FONT, MyFrame::OnwxSystemSettingsFont)
EVT_MENU(Font_SetNativeDesc, MyFrame::OnSetNativeDesc)
EVT_MENU(Font_SetNativeUserDesc, MyFrame::OnSetNativeUserDesc)
EVT_MENU(Font_SetFamily, MyFrame::OnSetFamily)
EVT_MENU(Font_SetFaceName, MyFrame::OnSetFaceName)
EVT_MENU(Font_SetEncoding, MyFrame::OnSetEncoding)
EVT_MENU(Font_Choose, MyFrame::OnSelectFont)
EVT_MENU(Font_EnumFamiliesForEncoding, MyFrame::OnEnumerateFamiliesForEncoding)
EVT_MENU(Font_EnumFamilies, MyFrame::OnEnumerateFamilies)
EVT_MENU(Font_EnumFixedFamilies, MyFrame::OnEnumerateFixedFamilies)
EVT_MENU(Font_EnumEncodings, MyFrame::OnEnumerateEncodings)
EVT_MENU(Font_Private, MyFrame::OnPrivateFont)
wxEND_EVENT_TABLE()
// Create a new application object: this macro will allow wxWidgets to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
wxIMPLEMENT_APP(MyApp);
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
// Create the main application window
MyFrame *frame = new MyFrame();
// Show it
frame->Show(true);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned 'false' here, the
// application would exit immediately.
return true;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame()
: wxFrame(NULL, wxID_ANY, "wxWidgets font sample")
{
SetIcon(wxICON(sample));
// create a menu bar
wxMenu *menuFile = new wxMenu;
menuFile->Append(Font_TestTextValue, wxT("&Test text value"),
wxT("Verify that getting and setting text value doesn't change it"));
menuFile->Append(Font_ViewMsg, wxT("&View...\tCtrl-V"),
wxT("View an email message file"));
menuFile->AppendSeparator();
menuFile->Append(Font_About, wxT("&About\tCtrl-A"), wxT("Show about dialog"));
menuFile->AppendSeparator();
menuFile->Append(Font_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
wxMenu *menuFont = new wxMenu;
menuFont->Append(Font_IncSize, wxT("&Increase font size by 2 points\tCtrl-I"));
menuFont->Append(Font_DecSize, wxT("&Decrease font size by 2 points\tCtrl-D"));
menuFont->Append(Font_GetBaseFont, wxT("Use &base version of the font\tCtrl-0"));
menuFont->AppendSeparator();
menuFont->AppendCheckItem(Font_Bold, wxT("&Bold\tCtrl-B"), wxT("Toggle bold state"));
menuFont->AppendCheckItem(Font_Light, wxT("&Light\tCtrl-L"), wxT("Toggle light state"));
menuFont->AppendSeparator();
menuFont->AppendCheckItem(Font_Italic, wxT("&Oblique\tCtrl-O"), wxT("Toggle italic state"));
#ifndef __WXMSW__
// under wxMSW slant == italic so there's no reason to provide another menu item for the same thing
menuFont->AppendCheckItem(Font_Slant, wxT("&Slant\tCtrl-S"), wxT("Toggle slant state"));
#endif
menuFont->AppendSeparator();
menuFont->AppendCheckItem(Font_Underlined, wxT("&Underlined\tCtrl-U"),
wxT("Toggle underlined state"));
menuFont->AppendCheckItem(Font_Strikethrough, wxT("&Strikethrough"),
wxT("Toggle strikethrough state"));
menuFont->AppendSeparator();
menuFont->Append(Font_SetNativeDesc,
wxT("Set native font &description\tShift-Ctrl-D"));
menuFont->Append(Font_SetNativeUserDesc,
wxT("Set &user font description\tShift-Ctrl-U"));
menuFont->AppendSeparator();
menuFont->Append(Font_SetFamily, wxT("Set font family"));
menuFont->Append(Font_SetFaceName, wxT("Set font face name"));
menuFont->Append(Font_SetEncoding, wxT("Set font &encoding\tShift-Ctrl-E"));
wxMenu *menuSelect = new wxMenu;
menuSelect->Append(Font_Choose, wxT("&Select font...\tCtrl-S"),
wxT("Select a standard font"));
wxMenu *menuStdFonts = new wxMenu;
menuStdFonts->Append(Font_wxNORMAL_FONT, wxT("wxNORMAL_FONT"), wxT("Normal font used by wxWidgets"));
menuStdFonts->Append(Font_wxSMALL_FONT, wxT("wxSMALL_FONT"), wxT("Small font used by wxWidgets"));
menuStdFonts->Append(Font_wxITALIC_FONT, wxT("wxITALIC_FONT"), wxT("Italic font used by wxWidgets"));
menuStdFonts->Append(Font_wxSWISS_FONT, wxT("wxSWISS_FONT"), wxT("Swiss font used by wxWidgets"));
menuStdFonts->Append(Font_wxFont_Default, wxT("wxFont()"), wxT("wxFont constructed from default wxFontInfo"));
menuSelect->Append(Font_Standard, wxT("Standar&d fonts"), menuStdFonts);
wxMenu *menuSettingFonts = new wxMenu;
menuSettingFonts->Append(Font_wxSYS_OEM_FIXED_FONT, wxT("wxSYS_OEM_FIXED_FONT"),
wxT("Original equipment manufacturer dependent fixed-pitch font."));
menuSettingFonts->Append(Font_wxSYS_ANSI_FIXED_FONT, wxT("wxSYS_ANSI_FIXED_FONT"),
wxT("Windows fixed-pitch (monospaced) font. "));
menuSettingFonts->Append(Font_wxSYS_ANSI_VAR_FONT, wxT("wxSYS_ANSI_VAR_FONT"),
wxT("Windows variable-pitch (proportional) font."));
menuSettingFonts->Append(Font_wxSYS_SYSTEM_FONT, wxT("wxSYS_SYSTEM_FONT"),
wxT("System font."));
menuSettingFonts->Append(Font_wxSYS_DEVICE_DEFAULT_FONT, wxT("wxSYS_DEVICE_DEFAULT_FONT"),
wxT("Device-dependent font."));
menuSettingFonts->Append(Font_wxSYS_DEFAULT_GUI_FONT, wxT("wxSYS_DEFAULT_GUI_FONT"),
wxT("Default font for user interface objects such as menus and dialog boxes. "));
menuSelect->Append(Font_SystemSettings, wxT("System fonts"), menuSettingFonts);
menuSelect->AppendSeparator();
menuSelect->Append(Font_EnumFamilies, wxT("Enumerate font &families\tCtrl-F"));
menuSelect->Append(Font_EnumFixedFamilies,
wxT("Enumerate fi&xed font families\tCtrl-X"));
menuSelect->Append(Font_EnumEncodings,
wxT("Enumerate &encodings\tCtrl-E"));
menuSelect->Append(Font_EnumFamiliesForEncoding,
wxT("Find font for en&coding...\tCtrl-C"),
wxT("Find font families for given encoding"));
#if wxUSE_PRIVATE_FONTS
// Try to use a private font, under most platforms we just look for it in
// the current directory but under OS X it must be in a specific location
// so look for it there.
//
// For OS X you also need to ensure that you actually do put wxprivate.ttf
// in font.app/Contents/Resources/Fonts and add the following snippet
//
// <plist version="0.9">
// <dict>
// ...
// <key>ATSApplicationFontsPath</key>
// <string>Fonts</string>
// ...
// </dict>
// </plist>
//
// to your font.app/Contents/Info.plist.
wxString privfont;
#ifdef __WXOSX__
privfont << wxStandardPaths::Get().GetResourcesDir() << "/Fonts/";
#endif
privfont << "wxprivate.ttf";
if ( !wxFont::AddPrivateFont(privfont) )
{
wxLogWarning("Failed to add private font from \"%s\"", privfont);
}
else
{
menuSelect->AppendSeparator();
menuSelect->Append(Font_Private,
"Select private font",
"Select a font available only in this application");
}
#endif // wxUSE_PRIVATE_FONTS
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menuFile, wxT("&File"));
menuBar->Append(menuFont, wxT("F&ont"));
menuBar->Append(menuSelect, wxT("&Select"));
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
wxSplitterWindow *splitter = new wxSplitterWindow(this);
m_fontWindow = new FontWindow(splitter);
m_fontWindow->Bind(wxEVT_BUTTON, &MyFrame::OnFontPanelApply, this);
m_textctrl = new wxTextCtrl(splitter, wxID_ANY,
wxT("Paste text here to see how it looks\nlike in the given font"),
wxDefaultPosition,
wxSize(-1, 6*GetCharHeight()),
wxTE_MULTILINE);
splitter->SplitHorizontally(m_fontWindow, m_textctrl, 0);
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar();
SetStatusText(wxT("Welcome to wxWidgets font demo!"));
#endif // wxUSE_STATUSBAR
SetClientSize(splitter->GetBestSize());
splitter->SetSashPosition(m_fontWindow->GetBestSize().y);
}
// --------------------------------------------------------
class MyEncodingEnumerator : public wxFontEnumerator
{
public:
MyEncodingEnumerator()
{ m_n = 0; }
const wxString& GetText() const
{ return m_text; }
protected:
virtual bool OnFontEncoding(const wxString& facename,
const wxString& encoding) wxOVERRIDE
{
wxString text;
text.Printf(wxT("Encoding %u: %s (available in facename '%s')\n"),
(unsigned int) ++m_n, encoding.c_str(), facename.c_str());
m_text += text;
return true;
}
private:
size_t m_n;
wxString m_text;
};
void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event))
{
MyEncodingEnumerator fontEnumerator;
fontEnumerator.EnumerateEncodings();
wxLogMessage(wxT("Enumerating all available encodings:\n%s"),
fontEnumerator.GetText().c_str());
}
// -------------------------------------------------------------
class MyFontEnumerator : public wxFontEnumerator
{
public:
bool GotAny() const
{ return !m_facenames.IsEmpty(); }
const wxArrayString& GetFacenames() const
{ return m_facenames; }
protected:
virtual bool OnFacename(const wxString& facename) wxOVERRIDE
{
m_facenames.Add(facename);
return true;
}
private:
wxArrayString m_facenames;
};
bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly,
wxFontEncoding encoding,
bool silent)
{
MyFontEnumerator fontEnumerator;
fontEnumerator.EnumerateFacenames(encoding, fixedWidthOnly);
if ( fontEnumerator.GotAny() )
{
int nFacenames = fontEnumerator.GetFacenames().GetCount();
if ( !silent )
{
wxLogStatus(this, wxT("Found %d %sfonts"),
nFacenames, fixedWidthOnly ? wxT("fixed width ") : wxT(""));
}
wxString facename;
if ( silent )
{
// choose the first
facename = fontEnumerator.GetFacenames().Item(0);
}
else
{
// let the user choose
wxString *facenames = new wxString[nFacenames];
int n;
for ( n = 0; n < nFacenames; n++ )
facenames[n] = fontEnumerator.GetFacenames().Item(n);
n = wxGetSingleChoiceIndex
(
wxT("Choose a facename"),
SAMPLE_TITLE,
nFacenames,
facenames,
this
);
if ( n != -1 )
facename = facenames[n];
delete [] facenames;
}
if ( !facename.empty() )
{
wxFont font(wxFontInfo().FaceName(facename).Encoding(encoding));
DoChangeFont(font);
}
return true;
}
else if ( !silent )
{
wxLogWarning(wxT("No such fonts found."));
}
return false;
}
void MyFrame::OnEnumerateFamiliesForEncoding(wxCommandEvent& WXUNUSED(event))
{
wxFontEncoding enc = GetEncodingFromUser();
if ( enc != wxFONTENCODING_SYSTEM )
{
DoEnumerateFamilies(false, enc);
}
}
void MyFrame::OnSetNativeDesc(wxCommandEvent& WXUNUSED(event))
{
wxString fontInfo = wxGetTextFromUser
(
wxT("Enter native font string"),
wxT("Input font description"),
m_fontWindow->GetTextFont().GetNativeFontInfoDesc(),
this
);
if ( fontInfo.empty() )
return; // user clicked "Cancel" - do nothing
wxFont font;
font.SetNativeFontInfo(fontInfo);
if ( !font.IsOk() )
{
wxLogError(wxT("Font info string \"%s\" is invalid."),
fontInfo.c_str());
return;
}
DoChangeFont(font);
}
void MyFrame::OnSetNativeUserDesc(wxCommandEvent& WXUNUSED(event))
{
wxString fontdesc = m_fontWindow->GetTextFont().GetNativeFontInfoUserDesc();
wxString fontUserInfo = wxGetTextFromUser(
wxT("Here you can edit current font description"),
wxT("Input font description"), fontdesc,
this);
if (fontUserInfo.IsEmpty())
return; // user clicked "Cancel" - do nothing
wxFont font;
if (font.SetNativeFontInfoUserDesc(fontUserInfo))
{
wxASSERT_MSG(font.IsOk(), wxT("The font should now be valid"));
DoChangeFont(font);
}
else
{
wxASSERT_MSG(!font.IsOk(), wxT("The font should now be invalid"));
wxMessageBox(wxT("Error trying to create a font with such description..."));
}
}
void MyFrame::OnSetFamily(wxCommandEvent& WXUNUSED(event))
{
wxFontFamily f = GetFamilyFromUser();
wxFont font = m_fontWindow->GetTextFont();
font.SetFamily(f);
DoChangeFont(font);
}
void MyFrame::OnSetFaceName(wxCommandEvent& WXUNUSED(event))
{
wxString facename = m_fontWindow->GetTextFont().GetFaceName();
wxString newFaceName = wxGetTextFromUser(
wxT("Here you can edit current font face name."),
wxT("Input font facename"), facename,
this);
if (newFaceName.IsEmpty())
return; // user clicked "Cancel" - do nothing
wxFont font(m_fontWindow->GetTextFont());
if (font.SetFaceName(newFaceName)) // change facename only
{
wxASSERT_MSG(font.IsOk(), wxT("The font should now be valid"));
DoChangeFont(font);
}
else
{
wxASSERT_MSG(!font.IsOk(), wxT("The font should now be invalid"));
wxMessageBox(wxT("There is no font with such face name..."),
wxT("Invalid face name"), wxOK|wxICON_ERROR, this);
}
}
void MyFrame::OnSetEncoding(wxCommandEvent& WXUNUSED(event))
{
wxFontEncoding enc = GetEncodingFromUser();
if ( enc == wxFONTENCODING_SYSTEM )
return;
wxFont font = m_fontWindow->GetTextFont();
font.SetEncoding(enc);
DoChangeFont(font);
}
wxFontEncoding MyFrame::GetEncodingFromUser()
{
wxArrayString names;
wxArrayInt encodings;
const size_t count = wxFontMapper::GetSupportedEncodingsCount();
names.reserve(count);
encodings.reserve(count);
for ( size_t n = 0; n < count; n++ )
{
wxFontEncoding enc = wxFontMapper::GetEncoding(n);
encodings.push_back(enc);
names.push_back(wxFontMapper::GetEncodingName(enc));
}
int i = wxGetSingleChoiceIndex
(
wxT("Choose the encoding"),
SAMPLE_TITLE,
names,
this
);
return i == -1 ? wxFONTENCODING_SYSTEM : (wxFontEncoding)encodings[i];
}
wxFontFamily MyFrame::GetFamilyFromUser()
{
wxArrayString names;
wxArrayInt families;
families.push_back(wxFONTFAMILY_DECORATIVE);
families.push_back(wxFONTFAMILY_ROMAN);
families.push_back(wxFONTFAMILY_SCRIPT);
families.push_back(wxFONTFAMILY_SWISS);
families.push_back(wxFONTFAMILY_MODERN);
families.push_back(wxFONTFAMILY_TELETYPE);
names.push_back("DECORATIVE");
names.push_back("ROMAN");
names.push_back("SCRIPT");
names.push_back("SWISS");
names.push_back("MODERN");
names.push_back("TELETYPE");
int i = wxGetSingleChoiceIndex
(
wxT("Choose the family"),
SAMPLE_TITLE,
names,
this
);
return i == -1 ? wxFONTFAMILY_DEFAULT : (wxFontFamily)families[i];
}
void MyFrame::DoResizeFont(int diff)
{
wxFont font = m_fontWindow->GetTextFont();
font.SetPointSize(font.GetPointSize() + diff);
DoChangeFont(font);
}
void MyFrame::OnBold(wxCommandEvent& event)
{
wxFont font = m_fontWindow->GetTextFont();
font.SetWeight(event.IsChecked() ? wxFONTWEIGHT_BOLD : wxFONTWEIGHT_NORMAL);
DoChangeFont(font);
}
void MyFrame::OnLight(wxCommandEvent& event)
{
wxFont font = m_fontWindow->GetTextFont();
font.SetWeight(event.IsChecked() ? wxFONTWEIGHT_LIGHT : wxFONTWEIGHT_NORMAL);
DoChangeFont(font);
}
void MyFrame::OnItalic(wxCommandEvent& event)
{
wxFont font = m_fontWindow->GetTextFont();
font.SetStyle(event.IsChecked() ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL);
DoChangeFont(font);
}
void MyFrame::OnSlant(wxCommandEvent& event)
{
wxFont font = m_fontWindow->GetTextFont();
font.SetStyle(event.IsChecked() ? wxFONTSTYLE_SLANT : wxFONTSTYLE_NORMAL);
DoChangeFont(font);
}
void MyFrame::OnUnderline(wxCommandEvent& event)
{
wxFont font = m_fontWindow->GetTextFont();
font.SetUnderlined(event.IsChecked());
DoChangeFont(font);
}
void MyFrame::OnStrikethrough(wxCommandEvent& event)
{
wxFont font = m_fontWindow->GetTextFont();
font.SetStrikethrough(event.IsChecked());
DoChangeFont(font);
}
void MyFrame::OnwxPointerFont(wxCommandEvent& event)
{
wxFont font;
switch ( event.GetId() )
{
case Font_wxNORMAL_FONT:
font = *wxNORMAL_FONT;
break;
case Font_wxSMALL_FONT:
font = *wxSMALL_FONT;
break;
case Font_wxITALIC_FONT:
font = *wxITALIC_FONT;
break;
case Font_wxSWISS_FONT:
font = *wxSWISS_FONT;
break;
default:
wxFAIL_MSG( wxT("unknown standard font") );
return;
}
DoChangeFont(font);
}
void MyFrame::OnFontDefault(wxCommandEvent& WXUNUSED(event))
{
DoChangeFont(wxFont(wxFontInfo()));
}
void MyFrame::OnwxSystemSettingsFont(wxCommandEvent& event)
{
wxFont font;
switch ( event.GetId() )
{
case Font_wxSYS_OEM_FIXED_FONT:
font = wxSystemSettings::GetFont(wxSYS_OEM_FIXED_FONT);
break;
case Font_wxSYS_ANSI_FIXED_FONT:
font = wxSystemSettings::GetFont(wxSYS_ANSI_FIXED_FONT);
break;
case Font_wxSYS_ANSI_VAR_FONT:
font = wxSystemSettings::GetFont(wxSYS_ANSI_VAR_FONT);
break;
case Font_wxSYS_SYSTEM_FONT:
font = wxSystemSettings::GetFont(wxSYS_SYSTEM_FONT);
break;
case Font_wxSYS_DEVICE_DEFAULT_FONT:
font = wxSystemSettings::GetFont(wxSYS_DEVICE_DEFAULT_FONT);
break;
case Font_wxSYS_DEFAULT_GUI_FONT:
font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
break;
default:
wxFAIL_MSG( wxT("unknown standard font") );
return;
}
DoChangeFont(font);
}
void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col)
{
m_fontWindow->UpdateFont(font, col);
m_textctrl->SetFont(font);
if ( col.IsOk() )
m_textctrl->SetForegroundColour(col);
m_textctrl->Refresh();
// update the state of the bold/italic/underlined menu items
wxMenuBar *mbar = GetMenuBar();
if ( mbar )
{
mbar->Check(Font_Light, font.GetWeight() == wxFONTWEIGHT_LIGHT);
mbar->Check(Font_Bold, font.GetWeight() == wxFONTWEIGHT_BOLD);
mbar->Check(Font_Italic, font.GetStyle() == wxFONTSTYLE_ITALIC);
#ifndef __WXMSW__
mbar->Check(Font_Slant, font.GetStyle() == wxFONTSTYLE_SLANT);
#endif
mbar->Check(Font_Underlined, font.GetUnderlined());
mbar->Check(Font_Strikethrough, font.GetStrikethrough());
}
}
void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event))
{
wxFontData data;
data.SetInitialFont(m_fontWindow->GetTextFont());
data.SetColour(m_fontWindow->GetColour());
wxFontDialog dialog(this, data);
if ( dialog.ShowModal() == wxID_OK )
{
wxFontData retData = dialog.GetFontData();
wxFont font = retData.GetChosenFont();
wxColour colour = retData.GetColour();
DoChangeFont(font, colour);
}
}
void MyFrame::OnPrivateFont(wxCommandEvent& WXUNUSED(event))
{
wxFont font(m_fontWindow->GetTextFont());
if (font.SetFaceName("wxprivate"))
{
wxASSERT_MSG( font.IsOk(), wxT("The font should now be valid")) ;
DoChangeFont(font);
}
else
{
wxLogError("Failed to use private font.");
}
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
Close(true);
}
void MyFrame::OnTestTextValue(wxCommandEvent& WXUNUSED(event))
{
wxString value = m_textctrl->GetValue();
m_textctrl->SetValue(value);
if ( m_textctrl->GetValue() != value )
{
wxLogError(wxT("Text value changed after getting and setting it"));
}
}
void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_FILEDLG
// first, choose the file
static wxString s_dir, s_file;
wxFileDialog dialog(this, wxT("Open an email message file"),
s_dir, s_file);
if ( dialog.ShowModal() != wxID_OK )
return;
// save for the next time
s_dir = dialog.GetDirectory();
s_file = dialog.GetFilename();
wxString filename = dialog.GetPath();
// load it and search for Content-Type header
wxTextFile file(filename);
if ( !file.Open() )
return;
wxString charset;
static const wxChar *prefix = wxT("Content-Type: text/plain; charset=");
const size_t len = wxStrlen(prefix);
size_t n, count = file.GetLineCount();
for ( n = 0; n < count; n++ )
{
wxString line = file[n];
if ( !line )
{
// if it is an email message, headers are over, no need to parse
// all the file
break;
}
if ( line.Left(len) == prefix )
{
// found!
const wxChar *pc = line.c_str() + len;
if ( *pc == wxT('"') )
pc++;
while ( *pc && *pc != wxT('"') )
{
charset += *pc++;
}
break;
}
}
if ( !charset )
{
wxLogError(wxT("The file '%s' doesn't contain charset information."),
filename.c_str());
return;
}
// ok, now get the corresponding encoding
wxFontEncoding fontenc = wxFontMapper::Get()->CharsetToEncoding(charset);
if ( fontenc == wxFONTENCODING_SYSTEM )
{
wxLogError(wxT("Charset '%s' is unsupported."), charset.c_str());
return;
}
m_textctrl->LoadFile(filename);
if ( fontenc == wxFONTENCODING_UTF8 ||
!wxFontMapper::Get()->IsEncodingAvailable(fontenc) )
{
// try to find some similar encoding:
wxFontEncoding encAlt;
if ( wxFontMapper::Get()->GetAltForEncoding(fontenc, &encAlt) )
{
wxEncodingConverter conv;
if (conv.Init(fontenc, encAlt))
{
fontenc = encAlt;
m_textctrl -> SetValue(conv.Convert(m_textctrl -> GetValue()));
}
else
{
wxLogWarning(wxT("Cannot convert from '%s' to '%s'."),
wxFontMapper::GetEncodingDescription(fontenc).c_str(),
wxFontMapper::GetEncodingDescription(encAlt).c_str());
}
}
else
wxLogWarning(wxT("No fonts for encoding '%s' on this system."),
wxFontMapper::GetEncodingDescription(fontenc).c_str());
}
// and now create the correct font
if ( !DoEnumerateFamilies(false, fontenc, true /* silent */) )
{
wxFont font(wxFontInfo(wxNORMAL_FONT->GetPointSize()).Encoding(fontenc));
if ( font.IsOk() )
{
DoChangeFont(font);
}
else
{
wxLogWarning(wxT("No fonts for encoding '%s' on this system."),
wxFontMapper::GetEncodingDescription(fontenc).c_str());
}
}
#endif // wxUSE_FILEDLG
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox(wxT("wxWidgets font sample\n")
wxT("(c) 1999-2006 Vadim Zeitlin"),
wxString(wxT("About ")) + SAMPLE_TITLE,
wxOK | wxICON_INFORMATION, this);
}
// ----------------------------------------------------------------------------
// FontWindow
// ----------------------------------------------------------------------------
FontWindow::FontWindow(wxWindow *parent)
: wxWindow(parent, wxID_ANY),
m_panel(new FontPanel(this)),
m_canvas(new FontCanvas(this))
{
wxSizer* const sizer = new wxBoxSizer(wxVERTICAL);
sizer->Add(m_panel, wxSizerFlags().Expand().Border());
sizer->Add(new wxStaticLine(this), wxSizerFlags().Expand());
sizer->Add(m_canvas, wxSizerFlags(1).Expand());
SetSizer(sizer);
}
void FontWindow::UpdateFont(const wxFont& font, const wxColour& colour)
{
m_panel->ShowFont(font);
m_canvas->SetTextFont(font);
if ( colour.IsOk() )
m_canvas->SetColour(colour);
m_canvas->Refresh();
}
// ----------------------------------------------------------------------------
// FontPanel
// ----------------------------------------------------------------------------
FontPanel::FontPanel(wxWindow* parent)
: wxPanel(parent)
{
m_useFamily =
m_useNumericWeight = false;
m_textFaceName = new wxTextCtrl(this, wxID_ANY, wxString(),
wxDefaultPosition, wxDefaultSize,
wxTE_PROCESS_ENTER);
m_textFaceName->Bind(wxEVT_TEXT, &FontPanel::OnFacename, this);
// Must be in sync with the Family enum.
const wxString familiesNames[] =
{
"Default",
"Decorative",
"Roman",
"Script",
"Swiss",
"Modern",
"Teletype",
};
m_choiceFamily = new wxChoice(this, wxID_ANY,
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(familiesNames), familiesNames);
m_choiceFamily->Bind(wxEVT_CHOICE, &FontPanel::OnFamily, this);
m_spinPointSize = new wxSpinCtrlDouble(this, wxID_ANY, wxString(),
wxDefaultPosition, wxDefaultSize,
wxSP_ARROW_KEYS,
1.0, 100.0, 10.0, 0.1);
m_spinPointSize->SetInitialSize
(
m_spinPointSize->GetSizeFromTextSize(GetTextExtent("999.9").x)
);
// Must be in sync with the Style enum.
const wxString stylesNames[] =
{
"Normal",
"Italic",
"Slant",
};
m_choiceStyle = new wxChoice(this, wxID_ANY,
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(stylesNames), stylesNames);
// Must be in sync with the Weight enum.
const wxString weightsNames[] =
{
"Thin",
"Extra light",
"Light",
"Normal",
"Medium",
"Semi-bold",
"Bold",
"Extra bold",
"Heavy",
"Extra heavy",
};
m_choiceWeight = new wxChoice(this, wxID_ANY,
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(weightsNames), weightsNames);
m_choiceWeight->Bind(wxEVT_CHOICE, &FontPanel::OnWeightChoice, this);
m_spinWeight = new wxSpinCtrl(this, wxID_ANY, wxString(),
wxDefaultPosition, wxDefaultSize,
wxSP_ARROW_KEYS,
1, wxFONTWEIGHT_MAX);
m_spinWeight->SetInitialSize
(
m_spinWeight->GetSizeFromTextSize(GetTextExtent("9999").x)
);
m_spinWeight->Bind(wxEVT_SPINCTRL, &FontPanel::OnWeightSpin, this);
m_checkUnderlined = new wxCheckBox(this, wxID_ANY, wxString());
m_checkStrikethrough = new wxCheckBox(this, wxID_ANY, wxString());
m_checkFixedWidth = new wxCheckBox(this, wxID_ANY, wxString());
m_checkFixedWidth->Disable(); // Can't be changed by the user.
m_labelInfo = new wxStaticText(this, wxID_ANY, "\n\n\n");
const int border = wxSizerFlags::GetDefaultBorder();
// Columns are: label, control, gap, label, control, label, control (there
// is no second gap column because we don't want any gap in the weight row).
wxFlexGridSizer* const sizer = new wxFlexGridSizer(7, wxSize(border, border));
const wxSizerFlags flagsLabel = wxSizerFlags().CentreVertical();
const wxSizerFlags flagsValue = wxSizerFlags().Expand().CentreVertical();
sizer->Add(new wxStaticText(this, wxID_ANY, "Face &name:"), flagsLabel);
sizer->Add(m_textFaceName, flagsValue);
sizer->AddSpacer(2*border);
sizer->Add(new wxStaticText(this, wxID_ANY, "&Family:"), flagsLabel);
sizer->Add(m_choiceFamily, flagsValue);
sizer->Add(new wxStaticText(this, wxID_ANY, "&Point size:"),
wxSizerFlags().DoubleBorder(wxLEFT).CentreVertical());
sizer->Add(m_spinPointSize, flagsValue);
sizer->Add(new wxStaticText(this, wxID_ANY, "&Style:"), flagsLabel);
sizer->Add(m_choiceStyle, flagsValue);
sizer->AddSpacer(0);
sizer->Add(new wxStaticText(this, wxID_ANY, "&Weight:"), flagsLabel);
sizer->Add(m_choiceWeight, flagsValue);
sizer->Add(new wxStaticText(this, wxID_ANY, "or &raw value:"), flagsLabel);
sizer->Add(m_spinWeight, flagsValue);
sizer->Add(new wxStaticText(this, wxID_ANY, "&Underlined:"), flagsLabel);
sizer->Add(m_checkUnderlined, flagsValue);
sizer->AddSpacer(0);
sizer->Add(new wxStaticText(this, wxID_ANY, "&Strike through:"), flagsLabel);
sizer->Add(m_checkStrikethrough, flagsValue);
sizer->Add(new wxStaticText(this, wxID_ANY, "Fixed width:"), flagsLabel);
sizer->Add(m_checkFixedWidth, flagsValue);
wxSizer* const sizerTop = new wxBoxSizer(wxVERTICAL);
sizerTop->Add(sizer, wxSizerFlags().Expand().Border(wxBOTTOM));
sizerTop->Add(new wxButton(this, wxID_APPLY, "&Apply changes"),
wxSizerFlags().Border(wxBOTTOM).Centre());
sizerTop->Add(m_labelInfo, wxSizerFlags().Expand().Border(wxTOP));
SetSizer(sizerTop);
ShowFont(*wxNORMAL_FONT);
}
void FontPanel::DoUpdate()
{
m_textFaceName->ChangeValue(m_font.GetFaceName());
Family family = Family_Default;
switch ( m_font.GetFamily() )
{
case wxFONTFAMILY_DECORATIVE: family = Family_Decorative; break;
case wxFONTFAMILY_ROMAN: family = Family_Roman; break;
case wxFONTFAMILY_SCRIPT: family = Family_Script; break;
case wxFONTFAMILY_SWISS: family = Family_Swiss; break;
case wxFONTFAMILY_MODERN: family = Family_Modern; break;
case wxFONTFAMILY_TELETYPE: family = Family_Teletype; break;
case wxFONTFAMILY_DEFAULT:
case wxFONTFAMILY_UNKNOWN:
// Leave family as Family_Default, what else can we do.
break;
}
m_choiceFamily->SetSelection(family);
m_spinPointSize->SetValue(m_font.GetFractionalPointSize());
Style style = Style_Normal;
switch ( m_font.GetStyle() )
{
case wxFONTSTYLE_ITALIC: style = Style_Italic; break;
case wxFONTSTYLE_SLANT: style = Style_Slant; break;
case wxFONTSTYLE_NORMAL:
case wxFONTSTYLE_MAX:
break;
}
m_choiceStyle->SetSelection(style);
Weight weight = Weight_Normal;
switch ( m_font.GetWeight() )
{
case wxFONTWEIGHT_THIN: weight = Weight_Thin; break;
case wxFONTWEIGHT_EXTRALIGHT: weight = Weight_Extralight; break;
case wxFONTWEIGHT_LIGHT: weight = Weight_Light; break;
case wxFONTWEIGHT_MEDIUM: weight = Weight_Medium; break;
case wxFONTWEIGHT_SEMIBOLD: weight = Weight_Semibold; break;
case wxFONTWEIGHT_BOLD: weight = Weight_Bold; break;
case wxFONTWEIGHT_EXTRABOLD: weight = Weight_Extrabold; break;
case wxFONTWEIGHT_HEAVY: weight = Weight_Heavy; break;
case wxFONTWEIGHT_EXTRAHEAVY: weight = Weight_Extraheavy; break;
case wxFONTWEIGHT_NORMAL:
case wxFONTWEIGHT_INVALID:
break;
}
m_choiceWeight->SetSelection(weight);
m_spinWeight->SetValue(m_font.GetNumericWeight());
m_checkUnderlined->SetValue(m_font.GetUnderlined());
m_checkStrikethrough->SetValue(m_font.GetStrikethrough());
m_checkFixedWidth->SetValue(m_font.IsFixedWidth());
const wxSize pixelSize = m_font.GetPixelSize();
wxClientDC dc(this);
dc.SetFont(m_font);
m_labelInfo->SetLabelText
(
wxString::Format
(
"Font info string: %s\n"
"Size in pixels: %d*%d, "
"average char size: %d*%d",
m_font.GetNativeFontInfoDesc(),
pixelSize.x, pixelSize.y,
dc.GetCharWidth(), dc.GetCharHeight()
)
);
}
wxFontInfo FontPanel::GetFontInfo() const
{
wxFontInfo info(m_spinPointSize->GetValue());
if ( m_useFamily )
{
const wxFontFamily families[] =
{
wxFONTFAMILY_DEFAULT,
wxFONTFAMILY_DECORATIVE,
wxFONTFAMILY_ROMAN,
wxFONTFAMILY_SCRIPT,
wxFONTFAMILY_SWISS,
wxFONTFAMILY_MODERN,
wxFONTFAMILY_TELETYPE,
};
info.Family(families[m_choiceFamily->GetSelection()]);
}
else
{
info.FaceName(m_textFaceName->GetValue());
}
switch ( m_choiceStyle->GetSelection() )
{
case Style_Normal:
break;
case Style_Italic:
info.Italic();
break;
case Style_Slant:
info.Slant();
break;
}
info.Weight(m_useNumericWeight ? m_spinWeight->GetValue()
: (m_choiceWeight->GetSelection() + 1)*100);
if ( m_checkUnderlined->GetValue() )
info.Underlined();
if ( m_checkStrikethrough->GetValue() )
info.Strikethrough();
return info;
}
// ----------------------------------------------------------------------------
// FontCanvas
// ----------------------------------------------------------------------------
wxBEGIN_EVENT_TABLE(FontCanvas, wxWindow)
EVT_PAINT(FontCanvas::OnPaint)
wxEND_EVENT_TABLE()
FontCanvas::FontCanvas( wxWindow *parent )
: wxWindow( parent, wxID_ANY ),
m_colour(*wxRED), m_font(*wxNORMAL_FONT)
{
}
void FontCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
wxPaintDC dc(this);
PrepareDC(dc);
// set background
dc.SetBackground(*wxWHITE_BRUSH);
dc.Clear();
dc.SetFont(m_font);
// the current text origin
wxCoord x = 5,
y = 5;
// prepare to draw the font
dc.SetTextForeground(m_colour);
// the size of one cell (Normally biggest char + small margin)
wxCoord maxCharWidth, maxCharHeight;
dc.GetTextExtent(wxT("W"), &maxCharWidth, &maxCharHeight);
int w = maxCharWidth + 5,
h = maxCharHeight + 4;
// print all font symbols from 32 to 256 in 7 rows of 32 chars each
for ( int i = 0; i < 7; i++ )
{
for ( int j = 0; j < 32; j++ )
{
wxChar c = (wxChar)(32 * (i + 1) + j);
wxCoord charWidth, charHeight;
dc.GetTextExtent(c, &charWidth, &charHeight);
dc.DrawText
(
c,
x + w*j + (maxCharWidth - charWidth) / 2 + 1,
y + h*i + (maxCharHeight - charHeight) / 2
);
}
}
// draw the lines between them
dc.SetPen(*wxBLUE_PEN);
int l;
// horizontal
for ( l = 0; l < 8; l++ )
{
int yl = y + h*l - 2;
dc.DrawLine(x - 2, yl, x + 32*w - 1, yl);
}
// and vertical
for ( l = 0; l < 33; l++ )
{
int xl = x + w*l - 2;
dc.DrawLine(xl, y - 2, xl, y + 7*h - 1);
}
}
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