X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ddc8c2e3abd656601dfba93ea1eab42aeeaededf..e1efca652844273c3e8d32c7e5f442b87e455ca7:/samples/font/font.cpp?ds=sidebyside diff --git a/samples/font/font.cpp b/samples/font/font.cpp index 60c3a39cf5..fce11afd27 100644 --- a/samples/font/font.cpp +++ b/samples/font/font.cpp @@ -5,27 +5,43 @@ // Modified by: // Created: 30.09.99 // RCS-ID: $Id$ -// Copyright: (c) Vadim Zeitlin +// Copyright: (c) 1999 Vadim Zeitlin // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". -#include +#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 + #include "wx/wx.h" - #include + #include "wx/log.h" #endif -#include -#include +#include "wx/choicdlg.h" +#include "wx/fontdlg.h" +#include "wx/fontenum.h" +#include "wx/fontmap.h" +#include "wx/encconv.h" +#include "wx/splitter.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 @@ -49,7 +65,7 @@ class MyCanvas: public wxWindow { public: MyCanvas( wxWindow *parent ); - ~MyCanvas(); + virtual ~MyCanvas(){}; // accessors for the frame const wxFont& GetTextFont() const { return m_font; } @@ -80,39 +96,62 @@ public: // event handlers (these functions should _not_ be virtual) void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); + + 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 OnwxPointerFont(wxCommandEvent& event); + void OnwxSystemSettingsFont(wxCommandEvent& event); + + void OnTestTextValue(wxCommandEvent& event); + void OnViewMsg(wxCommandEvent& event); void OnSelectFont(wxCommandEvent& event); - void OnCreateFont(wxCommandEvent& event); + void OnEnumerateFamiliesForEncoding(wxCommandEvent& event); void OnEnumerateFamilies(wxCommandEvent& WXUNUSED(event)) - { DoEnumerateFamilies(FALSE); } + { DoEnumerateFamilies(false); } void OnEnumerateFixedFamilies(wxCommandEvent& WXUNUSED(event)) - { DoEnumerateFamilies(TRUE); } + { DoEnumerateFamilies(true); } + void OnEnumerateEncodings(wxCommandEvent& event); -protected: - void DoEnumerateFamilies(bool fixedWidthOnly); + void OnSetNativeDesc(wxCommandEvent& event); + void OnSetNativeUserDesc(wxCommandEvent& event); - MyCanvas *m_canvas; + void OnSetFamily(wxCommandEvent& event); + void OnSetFaceName(wxCommandEvent& event); + void OnSetEncoding(wxCommandEvent& event); -private: - // any class wishing to process wxWindows events must use this macro - DECLARE_EVENT_TABLE() -}; +protected: + bool DoEnumerateFamilies(bool fixedWidthOnly, + wxFontEncoding encoding = wxFONTENCODING_SYSTEM, + bool silent = false); -// A custom font dialog which allows to directly edit wxFont proprieties -class MyFontDialog : public wxDialog -{ -public: - MyFontDialog(MyFrame *frame); + void DoResizeFont(int diff); + void DoChangeFont(const wxFont& font, const wxColour& col = wxNullColour); - // event handlers - void OnApply(wxCommandEvent& WXUNUSED(event)) { DoApply(); } + // ask the user to choose an encoding and return it or + // wxFONTENCODING_SYSTEM if the dialog was cancelled + wxFontEncoding GetEncodingFromUser(); -protected: - void DoApply(); + // ask the user to choose a font family and return it or + // wxFONTFAMILY_DEFAULT if the dialog was cancelled + wxFontFamily GetFamilyFromUser(); + + size_t m_fontSize; // in points - MyCanvas *m_canvas; + wxTextCtrl *m_textctrl; + MyCanvas *m_canvas; private: - //DECLARE_EVENT_TABLE() TODO + // any class wishing to process wxWidgets events must use this macro + DECLARE_EVENT_TABLE() }; // ---------------------------------------------------------------------------- @@ -123,32 +162,102 @@ private: enum { // menu items - Font_Quit = 1, - Font_About, + Font_Quit = wxID_EXIT, + Font_About = wxID_ABOUT, + + Font_ViewMsg = wxID_HIGHEST+1, + Font_TestTextValue, + + Font_IncSize, + Font_DecSize, + + Font_Bold, + Font_Light, + + Font_Italic, + Font_Slant, + + Font_Underlined, + + // standard global wxFont objects: + Font_wxNORMAL_FONT, + Font_wxSMALL_FONT, + Font_wxITALIC_FONT, + Font_wxSWISS_FONT, + 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_Create, + Font_EnumFamiliesForEncoding, Font_EnumFamilies, Font_EnumFixedFamilies, + Font_EnumEncodings, + Font_SetNativeDesc, + Font_SetNativeUserDesc, + Font_SetFamily, + Font_SetFaceName, + Font_SetEncoding, Font_Max }; // ---------------------------------------------------------------------------- -// event tables and other macros for wxWindows +// event tables and other macros for wxWidgets // ---------------------------------------------------------------------------- -// the event tables connect the wxWindows events with the functions (event +// 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. BEGIN_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_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_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_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_Create, MyFrame::OnCreateFont) + EVT_MENU(Font_EnumFamiliesForEncoding, MyFrame::OnEnumerateFamiliesForEncoding) EVT_MENU(Font_EnumFamilies, MyFrame::OnEnumerateFamilies) EVT_MENU(Font_EnumFixedFamilies, MyFrame::OnEnumerateFixedFamilies) + EVT_MENU(Font_EnumEncodings, MyFrame::OnEnumerateEncodings) END_EVENT_TABLE() -// Create a new application object: this macro will allow wxWindows to create +// 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 @@ -166,18 +275,20 @@ IMPLEMENT_APP(MyApp) // `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("Font wxWindows demo", - wxPoint(50, 50), wxSize(450, 340)); + MyFrame *frame = new MyFrame(wxT("Font wxWidgets demo"), + wxPoint(50, 50), wxSize(600, 400)); - // Show it and tell the application that it's our main window - frame->Show(TRUE); - SetTopWindow(frame); + // 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 + // loop and the application will run. If we returned 'false' here, the // application would exit immediately. - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -186,72 +297,537 @@ bool MyApp::OnInit() // frame constructor MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) - : wxFrame((wxFrame *)NULL, -1, title, pos, size) + : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size), m_textctrl(NULL) { + m_fontSize = wxNORMAL_FONT->GetPointSize(); + + SetIcon(wxICON(sample)); + // create a menu bar wxMenu *menuFile = new wxMenu; - menuFile->Append(Font_About, "&About...\tCtrl-A", "Show about dialog"); + 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, "E&xit\tAlt-X", "Quit this program"); + menuFile->Append(Font_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program")); wxMenu *menuFont = new wxMenu; - menuFont->Append(Font_Choose, "&Select font...\tCtrl-S", - "Select a standard font"); - menuFont->Append(Font_Create, "&Create font...\tCtrl-C", - "Create a custom font"); + 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->AppendSeparator(); - menuFont->Append(Font_EnumFamilies, "&Enumerate font families\tCtrl-E"); - menuFont->Append(Font_EnumFixedFamilies, - "&Enumerate fixed font families\tCtrl-F"); + 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->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")); + 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")); // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar; - menuBar->Append(menuFile, "&File"); - menuBar->Append(menuFont, "F&ont"); + 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); - m_canvas = new MyCanvas(this); + wxSplitterWindow *splitter = new wxSplitterWindow(this); + m_textctrl = new wxTextCtrl(splitter, wxID_ANY, + wxT("Paste text here to see how it looks\nlike in the given font"), + wxDefaultPosition, wxDefaultSize, + wxTE_MULTILINE); + + m_canvas = new MyCanvas(splitter); + + splitter->SplitHorizontally(m_textctrl, m_canvas, 100); + +#if wxUSE_STATUSBAR // create a status bar just for fun (by default with 1 pane only) - CreateStatusBar(2); - SetStatusText("Welcome to wxWindows!"); + CreateStatusBar(); + SetStatusText(wxT("Welcome to wxWidgets font demo!")); +#endif // wxUSE_STATUSBAR +} + +// -------------------------------------------------------- + +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) + { + 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(); } -// event handlers + const wxArrayString& GetFacenames() const + { return m_facenames; } -void MyFrame::DoEnumerateFamilies(bool fixedWidthOnly) +protected: + virtual bool OnFacename(const wxString& facename) + { + m_facenames.Add(facename); + return true; + } + + private: + wxArrayString m_facenames; +} fontEnumerator; + +bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, + wxFontEncoding encoding, + bool silent) { - class MyFontEnumerator : public wxFontEnumerator + MyFontEnumerator fontEnumerator; + + fontEnumerator.EnumerateFacenames(encoding, fixedWidthOnly); + + if ( fontEnumerator.GotAny() ) { - public: - MyFontEnumerator() { m_n = 0; } + 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; + } - protected: - virtual bool OnFontFamily(const wxString& family) + if ( !facename.empty() ) { - wxLogMessage("Font family %d: %s\n", ++m_n, family.c_str()); + wxFont font(wxNORMAL_FONT->GetPointSize(), + wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, + wxFONTWEIGHT_NORMAL, false, facename, encoding); - return TRUE; + DoChangeFont(font); } - private: - size_t m_n; - } fontEnumerator; + 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_canvas->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 = GetCanvas()->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_canvas->GetTextFont(); + font.SetFamily(f); + DoChangeFont(font); +} + +void MyFrame::OnSetFaceName(wxCommandEvent& WXUNUSED(event)) +{ + wxString facename = GetCanvas()->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(GetCanvas()->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); + } +} - wxLogMessage("Enumerating %s font families:", - fixedWidthOnly ? "fixed width" : "all"); - fontEnumerator.EnumerateFamilies(fixedWidthOnly); +void MyFrame::OnSetEncoding(wxCommandEvent& WXUNUSED(event)) +{ + wxFontEncoding enc = GetEncodingFromUser(); + if ( enc == wxFONTENCODING_SYSTEM ) + return; + + wxFont font = m_canvas->GetTextFont(); + font.SetEncoding(enc); + DoChangeFont(font); } -void MyFrame::OnCreateFont(wxCommandEvent& WXUNUSED(event)) +wxFontEncoding MyFrame::GetEncodingFromUser() { - MyFontDialog dialog(this); + wxArrayString names; + wxArrayInt encodings; + + const size_t count = wxFontMapper::GetSupportedEncodingsCount(); + names.reserve(count); + encodings.reserve(count); - (void)dialog.ShowModal(); + 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_canvas->GetTextFont(); + + font.SetPointSize(font.GetPointSize() + diff); + DoChangeFont(font); +} + +void MyFrame::OnBold(wxCommandEvent& event) +{ + wxFont font = m_canvas->GetTextFont(); + + font.SetWeight(event.IsChecked() ? wxFONTWEIGHT_BOLD : wxFONTWEIGHT_NORMAL); + DoChangeFont(font); +} + +void MyFrame::OnLight(wxCommandEvent& event) +{ + wxFont font = m_canvas->GetTextFont(); + + font.SetWeight(event.IsChecked() ? wxFONTWEIGHT_LIGHT : wxFONTWEIGHT_NORMAL); + DoChangeFont(font); +} + +void MyFrame::OnItalic(wxCommandEvent& event) +{ + wxFont font = m_canvas->GetTextFont(); + + font.SetStyle(event.IsChecked() ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL); + DoChangeFont(font); +} + +void MyFrame::OnSlant(wxCommandEvent& event) +{ + wxFont font = m_canvas->GetTextFont(); + + font.SetStyle(event.IsChecked() ? wxFONTSTYLE_SLANT : wxFONTSTYLE_NORMAL); + DoChangeFont(font); +} + +void MyFrame::OnUnderline(wxCommandEvent& event) +{ + wxFont font = m_canvas->GetTextFont(); + + font.SetUnderlined(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::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_canvas->SetTextFont(font); + if ( col.IsOk() ) + m_canvas->SetColour(col); + m_canvas->Refresh(); + + m_textctrl->SetFont(font); + if ( col.IsOk() ) + m_textctrl->SetForegroundColour(col); + + // 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()); + } } void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event)) @@ -260,29 +836,159 @@ void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event)) data.SetInitialFont(m_canvas->GetTextFont()); data.SetColour(m_canvas->GetColour()); - wxFontDialog dialog(this, &data); + wxFontDialog dialog(this, data); if ( dialog.ShowModal() == wxID_OK ) { wxFontData retData = dialog.GetFontData(); - m_canvas->SetTextFont(retData.GetChosenFont()); - m_canvas->SetColour(retData.GetColour()); - m_canvas->Refresh(); + wxFont font = retData.GetChosenFont(); + wxColour colour = retData.GetColour(); + + DoChangeFont(font, colour); } } void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { - // TRUE is to force the frame to close - Close(TRUE); + // 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(wxNORMAL_FONT->GetPointSize(), + wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, + wxFONTWEIGHT_NORMAL, false /* !underlined */, + wxEmptyString /* facename */, 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("wxWindows font demo.", "About Font", + wxMessageBox(wxT("wxWidgets font sample\n") + wxT("(c) 1999-2006 Vadim Zeitlin"), + wxString(wxT("About ")) + SAMPLE_TITLE, wxOK | wxICON_INFORMATION, this); } - // ---------------------------------------------------------------------------- // MyCanvas // ---------------------------------------------------------------------------- @@ -292,13 +998,8 @@ BEGIN_EVENT_TABLE(MyCanvas, wxWindow) END_EVENT_TABLE() MyCanvas::MyCanvas( wxWindow *parent ) - : wxWindow( parent, -1 ) -{ - m_font = *wxNORMAL_FONT; - m_colour = *wxRED; -} - -MyCanvas::~MyCanvas() + : wxWindow( parent, wxID_ANY ), + m_colour(*wxRED), m_font(*wxNORMAL_FONT) { } @@ -308,88 +1009,102 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) PrepareDC(dc); // set background - dc.SetBackground(wxBrush("white", wxSOLID)); + dc.SetBackground(wxBrush(wxT("white"), wxSOLID)); dc.Clear(); + dc.SetFont(m_font); + + // one text line height + wxCoord hLine = dc.GetCharHeight(); + + // the current text origin + wxCoord x = 5, + y = 5; // output the font name/info wxString fontInfo; - fontInfo.Printf("Font family is '%s', style '%s', weight '%s'", - m_font.GetFamilyString().c_str(), + + fontInfo.Printf(wxT("Face name: %s, family: %s"), + m_font.GetFaceName().c_str(), + m_font.GetFamilyString().c_str()); + + dc.DrawText(fontInfo, x, y); + y += hLine; + + fontInfo.Printf(wxT("Size: %d points or %d pixels; %d*%d average char size"), + m_font.GetPointSize(), + m_font.GetPixelSize().y, + dc.GetCharWidth(), dc.GetCharHeight()); + + dc.DrawText(fontInfo, x, y); + y += hLine; + + fontInfo.Printf(wxT("Style: %s, weight: %s, fixed width: %s, encoding: %s"), m_font.GetStyleString().c_str(), - m_font.GetWeightString().c_str()); + m_font.GetWeightString().c_str(), + m_font.IsFixedWidth() ? wxT("yes") : wxT("no"), + wxFontMapper::GetEncodingDescription(m_font.GetEncoding())); - dc.DrawText(fontInfo, 5, 5); + dc.DrawText(fontInfo, x, y); + y += hLine; + + if ( m_font.IsOk() ) + { + const wxNativeFontInfo *info = m_font.GetNativeFontInfo(); + if ( info ) + { + wxString fontDesc = m_font.GetNativeFontInfoUserDesc(); + fontInfo.Printf(wxT("Native font info: %s"), fontDesc.c_str()); + + dc.DrawText(fontInfo, x, y); + y += hLine; + } + } + + y += hLine; // prepare to draw the font - dc.SetFont(m_font); dc.SetTextForeground(m_colour); - // the size of one cell (char + small margin) - int w = dc.GetCharWidth() + 5, - h = dc.GetCharHeight() + 4; + // 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; - // the origin for our table - int x = 5, - y = 2*h + 5; // print all font symbols from 32 to 256 in 7 rows of 32 chars each - for ( int i = 1; i < 8; i++ ) + for ( int i = 0; i < 7; i++ ) { for ( int j = 0; j < 32; j++ ) { - dc.DrawText(char(32*i + j), x + w*j, y + h*i); + 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(wxPen(wxColour("blue"), 1, wxSOLID)); + dc.SetPen(wxPen(wxColour(wxT("blue")), 1, wxSOLID)); int l; // horizontal - y += h; for ( l = 0; l < 8; l++ ) { int yl = y + h*l - 2; - dc.DrawLine(x - 2, yl, x + 32*w - 2, yl); + 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, xl, y + 7*h - 2); - } -} - -// ---------------------------------------------------------------------------- -// MyFontDialog -// ---------------------------------------------------------------------------- - -MyFontDialog::MyFontDialog(MyFrame *frame) - : wxDialog(frame, -1, wxString("Edit font attributes")) -{ - m_canvas = frame->GetCanvas(); - - // create controls - wxSize sizeBtn = wxButton::GetDefaultSize(); - - // TODO - - // position and size the dialog - SetClientSize(4*sizeBtn.x, 10*sizeBtn.y); - Centre(); -} - -void MyFontDialog::DoApply() -{ - wxFont font; //(size, family, style, weight, underlined, face, encoding); - if ( !font.Ok() ) - { - wxLogError("Font creation failed."); - } - else - { - m_canvas->SetTextFont(font); - m_canvas->Refresh(); + dc.DrawLine(xl, y - 2, xl, y + 7*h - 1); } }