X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/03424b1b897ff207c3fefc8d9af47ed2f0f9cb05..01000cbcd54ef37e9c198bccd96e0096be0a38b7:/samples/font/font.cpp diff --git a/samples/font/font.cpp b/samples/font/font.cpp index 10cbdefa46..f6c8d5f32d 100644 --- a/samples/font/font.cpp +++ b/samples/font/font.cpp @@ -10,26 +10,37 @@ ///////////////////////////////////////////////////////////////////////////// // 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 -#include -#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 "../sample.xpm" + +#ifdef __WXMAC__ + #undef wxFontDialog + #include "wx/osx/fontdlg.h" +#endif + +// used as title for several dialog boxes +static const wxChar SAMPLE_TITLE[] = _T("wxWidgets Font Sample"); // ---------------------------------------------------------------------------- // private classes @@ -53,7 +64,7 @@ class MyCanvas: public wxWindow { public: MyCanvas( wxWindow *parent ); - ~MyCanvas(); + virtual ~MyCanvas(){}; // accessors for the frame const wxFont& GetTextFont() const { return m_font; } @@ -84,31 +95,43 @@ public: // event handlers (these functions should _not_ be virtual) void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); - void OnIncFont(wxCommandEvent& event) { DoResizeFont(+2); } - void OnDecFont(wxCommandEvent& event) { DoResizeFont(-2); } + void OnIncFont(wxCommandEvent& WXUNUSED(event)) { DoResizeFont(+2); } + void OnDecFont(wxCommandEvent& WXUNUSED(event)) { DoResizeFont(-2); } + + void OnBold(wxCommandEvent& event); + void OnItalic(wxCommandEvent& event); + void OnUnderline(wxCommandEvent& event); + + void OnwxPointerFont(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); } + { DoEnumerateFamilies(false); } void OnEnumerateFixedFamilies(wxCommandEvent& WXUNUSED(event)) - { DoEnumerateFamilies(TRUE); } + { DoEnumerateFamilies(true); } void OnEnumerateEncodings(wxCommandEvent& event); - void OnCheckNativeToFromString(wxCommandEvent& event); - - void OnSize(wxSizeEvent& event); + void OnSetNativeDesc(wxCommandEvent& event); + void OnSetNativeUserDesc(wxCommandEvent& event); + void OnSetFaceName(wxCommandEvent& event); + void OnSetEncoding(wxCommandEvent& event); protected: bool DoEnumerateFamilies(bool fixedWidthOnly, wxFontEncoding encoding = wxFONTENCODING_SYSTEM, - bool silent = FALSE); + bool silent = false); void DoResizeFont(int diff); void DoChangeFont(const wxFont& font, const wxColour& col = wxNullColour); - void Resize(const wxSize& size, const wxFont& font = wxNullFont); + // ask the user to choose an encoding and return it or + // wxFONTENCODING_SYSTEM if the dialog was cancelled + wxFontEncoding GetEncodingFromUser(); + size_t m_fontSize; // in points @@ -116,7 +139,7 @@ protected: MyCanvas *m_canvas; private: - // any class wishing to process wxWindows events must use this macro + // any class wishing to process wxWidgets events must use this macro DECLARE_EVENT_TABLE() }; @@ -131,41 +154,69 @@ enum Font_Quit = 1, Font_About, Font_ViewMsg, + Font_TestTextValue, + Font_IncSize, Font_DecSize, + Font_Bold, + Font_Italic, + Font_Underlined, + Font_wxNORMAL_FONT, + Font_wxSMALL_FONT, + Font_wxITALIC_FONT, + Font_wxSWISS_FONT, + Font_Standard, + Font_Choose = 100, Font_EnumFamiliesForEncoding, Font_EnumFamilies, Font_EnumFixedFamilies, Font_EnumEncodings, - Font_CheckNativeToFromString, + Font_SetNativeDesc, + Font_SetNativeUserDesc, + 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_ViewMsg, MyFrame::OnViewMsg) + EVT_MENU(Font_Bold, MyFrame::OnBold) + EVT_MENU(Font_Italic, MyFrame::OnItalic) + 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_SetNativeDesc, MyFrame::OnSetNativeDesc) + EVT_MENU(Font_SetNativeUserDesc, MyFrame::OnSetNativeUserDesc) + 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_CheckNativeToFromString, MyFrame::OnCheckNativeToFromString) - - EVT_SIZE(MyFrame::OnSize) 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 @@ -183,18 +234,21 @@ 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); + frame->Show(true); SetTopWindow(frame); // 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; } // ---------------------------------------------------------------------------- @@ -203,58 +257,87 @@ bool MyApp::OnInit() // frame constructor MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) - : wxFrame((wxFrame *)NULL, -1, title, pos, size), m_textctrl(NULL) + : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size), m_textctrl(NULL) { - m_fontSize = 12; + m_fontSize = wxNORMAL_FONT->GetPointSize(); + + SetIcon(wxIcon(sample_xpm)); // create a menu bar wxMenu *menuFile = new wxMenu; - menuFile->Append(Font_ViewMsg, "&View...\tCtrl-V", - "View an email message file"); + 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, "&About...\tCtrl-A", "Show about dialog"); + 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_IncSize, "&Increase font size by 2 points\tCtrl-I"); - menuFont->Append(Font_DecSize, "&Decrease font size by 2 points\tCtrl-D"); + 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_Choose, "&Select font...\tCtrl-S", - "Select a standard font"); - menuFont->AppendSeparator(); - menuFont->Append(Font_EnumFamilies, "Enumerate font &families\tCtrl-F"); - menuFont->Append(Font_EnumFixedFamilies, - "Enumerate fi&xed font families\tCtrl-X"); - menuFont->Append(Font_EnumEncodings, - "Enumerate &encodings\tCtrl-E"); - menuFont->Append(Font_EnumFamiliesForEncoding, - "Find font for en&coding...\tCtrl-C", - "Find font families for given encoding"); + menuFont->AppendCheckItem(Font_Bold, wxT("&Bold\tCtrl-B"), wxT("Toggle bold state")); + menuFont->AppendCheckItem(Font_Italic, wxT("&Oblique\tCtrl-O"), wxT("Toggle italic state")); + menuFont->AppendCheckItem(Font_Underlined, wxT("&Underlined\tCtrl-U"), + wxT("Toggle underlined state")); + menuFont->AppendSeparator(); - menuFont->Append(Font_CheckNativeToFromString, - "Check Native Font Info To/From String"); + 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->Append(Font_SetFaceName, wxT("Check 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); + + 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_textctrl = new wxTextCtrl(this, -1, - "Paste text here to see how it looks\n" - "like in the given font", + 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(this); + 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(); - SetStatusText("Welcome to wxWindows font demo!"); + SetStatusText(wxT("Welcome to wxWidgets font demo!")); +#endif // wxUSE_STATUSBAR } // -------------------------------------------------------- @@ -262,10 +345,10 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) class MyEncodingEnumerator : public wxFontEnumerator { public: - MyEncodingEnumerator() + MyEncodingEnumerator() { m_n = 0; } - const wxString& GetText() const + const wxString& GetText() const { return m_text; } protected: @@ -273,10 +356,10 @@ protected: const wxString& encoding) { wxString text; - text.Printf("Encoding %d: %s (available in facename '%s')\n", - ++m_n, encoding.c_str(), facename.c_str()); + 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; + return true; } private: @@ -290,7 +373,7 @@ void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event)) fontEnumerator.EnumerateEncodings(); - wxLogMessage("Enumerating all available encodings:\n%s", + wxLogMessage(wxT("Enumerating all available encodings:\n%s"), fontEnumerator.GetText().c_str()); } @@ -299,17 +382,17 @@ void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event)) class MyFontEnumerator : public wxFontEnumerator { public: - bool GotAny() const + bool GotAny() const { return !m_facenames.IsEmpty(); } - const wxArrayString& GetFacenames() const + const wxArrayString& GetFacenames() const { return m_facenames; } protected: virtual bool OnFacename(const wxString& facename) { m_facenames.Add(facename); - return TRUE; + return true; } private: @@ -329,11 +412,12 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, int nFacenames = fontEnumerator.GetFacenames().GetCount(); if ( !silent ) { - wxLogStatus(this, "Found %d %sfonts", - nFacenames, fixedWidthOnly ? "fixed width " : ""); + wxLogStatus(this, wxT("Found %d %sfonts"), + nFacenames, fixedWidthOnly ? wxT("fixed width ") : wxT("")); } wxString facename; + if ( silent ) { // choose the first @@ -347,8 +431,14 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, for ( n = 0; n < nFacenames; n++ ) facenames[n] = fontEnumerator.GetFacenames().Item(n); - n = wxGetSingleChoiceIndex("Choose a facename", "Font demo", - nFacenames, facenames, this); + n = wxGetSingleChoiceIndex + ( + wxT("Choose a facename"), + SAMPLE_TITLE, + nFacenames, + facenames, + this + ); if ( n != -1 ) facename = facenames[n]; @@ -356,103 +446,207 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, delete [] facenames; } - if ( !facename.IsEmpty() ) + if ( !facename.empty() ) { - wxFont font(12, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, - wxFONTWEIGHT_NORMAL, FALSE, facename, encoding); + wxFont font(wxNORMAL_FONT->GetPointSize(), + wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, + wxFONTWEIGHT_NORMAL, false, facename, encoding); DoChangeFont(font); } - return TRUE; + return true; } else if ( !silent ) { - wxLogWarning("No such fonts found."); + wxLogWarning(wxT("No such fonts found.")); } - return FALSE; + return false; } void MyFrame::OnEnumerateFamiliesForEncoding(wxCommandEvent& WXUNUSED(event)) { - static wxFontEncoding encodings[] = - { - wxFONTENCODING_ISO8859_1, - wxFONTENCODING_ISO8859_2, - wxFONTENCODING_ISO8859_5, - wxFONTENCODING_ISO8859_7, - wxFONTENCODING_ISO8859_15, - wxFONTENCODING_KOI8, - wxFONTENCODING_CP1250, - wxFONTENCODING_CP1251, - wxFONTENCODING_CP1252, - }; - - static const wxString encodingNames[] = + wxFontEncoding enc = GetEncodingFromUser(); + if ( enc != wxFONTENCODING_SYSTEM ) { - "Western European (ISO-8859-1)", - "Central European (ISO-8859-2)", - "Cyrillic (ISO-8859-5)", - "Greek (ISO-8859-7)", - "Western European with Euro (ISO-8859-15)", - "KOI8-R", - "Windows Central European (CP 1250)", - "Windows Cyrillic (CP 1251)", - "Windows Western European (CP 1252)", - }; - - int n = wxGetSingleChoiceIndex("Choose an encoding", "Font demo", - WXSIZEOF(encodingNames), - encodingNames, - this); - - if ( n != -1 ) + 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.Ok() ) { - DoEnumerateFamilies(FALSE, encodings[n]); + wxLogError(wxT("Font info string \"%s\" is invalid."), + fontInfo.c_str()); + return; } + + DoChangeFont(font); } -void MyFrame::OnCheckNativeToFromString(wxCommandEvent& WXUNUSED(event)) +void MyFrame::OnSetFaceName(wxCommandEvent& WXUNUSED(event)) { - wxString fontInfo = m_canvas->GetTextFont().GetNativeFontInfoDesc(); + 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.Ok(), wxT("The font should now be valid")); + DoChangeFont(font); + } + else + { + wxASSERT_MSG(!font.Ok(), 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); + } +} - if ( fontInfo.IsEmpty() ) +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)) { - wxLogError("Native font info string is empty!"); + wxASSERT_MSG(font.Ok(), wxT("The font should now be valid")); + DoChangeFont(font); } else { - wxFont *font = wxFont::New(fontInfo); - if ( fontInfo != font->GetNativeFontInfoDesc() ) - wxLogError("wxNativeFontInfo ToString()/FromString() broken!"); - else - wxLogError("wxNativeFontInfo works: %s", fontInfo.c_str()); - delete font; - } + wxASSERT_MSG(!font.Ok(), wxT("The font should now be invalid")); + wxMessageBox(wxT("Error trying to create a font with such description...")); + } +} + +void MyFrame::OnSetEncoding(wxCommandEvent& WXUNUSED(event)) +{ + wxFontEncoding enc = GetEncodingFromUser(); + if ( enc == wxFONTENCODING_SYSTEM ) + return; + + wxFont font = m_canvas->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]; } void MyFrame::DoResizeFont(int diff) { - wxFont fontOld = m_canvas->GetTextFont(); - - DoChangeFont( - wxFont( - fontOld.GetPointSize() + diff, - fontOld.GetFamily(), - fontOld.GetStyle(), - fontOld.GetWeight(), - fontOld.GetUnderlined(), - fontOld.GetFaceName(), - fontOld.GetEncoding() - ) - ); + wxFont font = m_canvas->GetTextFont(); + + font.SetPointSize(font.GetPointSize() + diff); + DoChangeFont(font); } -void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col) +void MyFrame::OnBold(wxCommandEvent& event) +{ + wxFont font = m_canvas->GetTextFont(); + + font.SetWeight(event.IsChecked() ? wxFONTWEIGHT_BOLD : 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::OnUnderline(wxCommandEvent& event) { - Resize(GetClientSize(), font); + 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::DoChangeFont(const wxFont& font, const wxColour& col) +{ m_canvas->SetTextFont(font); if ( col.Ok() ) m_canvas->SetColour(col); @@ -461,6 +655,15 @@ void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col) m_textctrl->SetFont(font); if ( col.Ok() ) m_textctrl->SetForegroundColour(col); + + // update the state of the bold/italic/underlined menu items + wxMenuBar *mbar = GetMenuBar(); + if ( mbar ) + { + mbar->Check(Font_Bold, font.GetWeight() == wxFONTWEIGHT_BOLD); + mbar->Check(Font_Italic, font.GetStyle() == wxFONTSTYLE_ITALIC); + mbar->Check(Font_Underlined, font.GetUnderlined()); + } } void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event)) @@ -469,7 +672,7 @@ 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(); @@ -482,15 +685,26 @@ void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event)) 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, "Open an email message file", + wxFileDialog dialog(this, wxT("Open an email message file"), s_dir, s_file); if ( dialog.ShowModal() != wxID_OK ) return; @@ -508,8 +722,8 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) wxString charset; - static const char *prefix = "Content-Type: text/plain; charset="; - const size_t len = strlen(prefix); + 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++ ) @@ -526,11 +740,11 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) if ( line.Left(len) == prefix ) { // found! - const char *pc = line.c_str() + len; - if ( *pc == '"' ) + const wxChar *pc = line.c_str() + len; + if ( *pc == wxT('"') ) pc++; - while ( *pc && *pc != '"' ) + while ( *pc && *pc != wxT('"') ) { charset += *pc++; } @@ -541,30 +755,31 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) if ( !charset ) { - wxLogError("The file '%s' doesn't contain charset information.", + wxLogError(wxT("The file '%s' doesn't contain charset information."), filename.c_str()); return; } // ok, now get the corresponding encoding - wxFontEncoding fontenc = wxTheFontMapper->CharsetToEncoding(charset); + wxFontEncoding fontenc = wxFontMapper::Get()->CharsetToEncoding(charset); if ( fontenc == wxFONTENCODING_SYSTEM ) { - wxLogError("Charset '%s' is unsupported.", charset.c_str()); + wxLogError(wxT("Charset '%s' is unsupported."), charset.c_str()); return; } m_textctrl->LoadFile(filename); - if (!wxTheFontMapper->IsEncodingAvailable(fontenc)) + if ( fontenc == wxFONTENCODING_UTF8 || + !wxFontMapper::Get()->IsEncodingAvailable(fontenc) ) { // try to find some similar encoding: wxFontEncoding encAlt; - if ( wxTheFontMapper->GetAltForEncoding(fontenc, &encAlt) ) + if ( wxFontMapper::Get()->GetAltForEncoding(fontenc, &encAlt) ) { wxEncodingConverter conv; - + if (conv.Init(fontenc, encAlt)) { fontenc = encAlt; @@ -572,21 +787,22 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) } else { - wxLogWarning("Cannot convert from '%s' to '%s'.", + wxLogWarning(wxT("Cannot convert from '%s' to '%s'."), wxFontMapper::GetEncodingDescription(fontenc).c_str(), wxFontMapper::GetEncodingDescription(encAlt).c_str()); } } else - wxLogWarning("No fonts for encoding '%s' on this system.", + 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 */) ) + if ( !DoEnumerateFamilies(false, fontenc, true /* silent */) ) { - wxFont font(12, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, - wxFONTWEIGHT_NORMAL, FALSE /* !underlined */, + wxFont font(wxNORMAL_FONT->GetPointSize(), + wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, + wxFONTWEIGHT_NORMAL, false /* !underlined */, wxEmptyString /* facename */, fontenc); if ( font.Ok() ) { @@ -594,49 +810,21 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) } else { - wxLogWarning("No fonts for encoding '%s' on this system.", + 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\n" - "(c) 1999 Vadim Zeitlin", - "About Font", + wxMessageBox(wxT("wxWidgets font sample\n") + wxT("(c) 1999-2006 Vadim Zeitlin"), + wxString(wxT("About ")) + SAMPLE_TITLE, wxOK | wxICON_INFORMATION, this); } -void MyFrame::OnSize(wxSizeEvent& event) -{ - Resize(GetClientSize()); - - event.Skip(); -} - -void MyFrame::Resize(const wxSize& size, const wxFont& font) -{ - if ( !m_textctrl ) - return; - - wxCoord h; - if ( font.Ok() ) - { - wxClientDC dc(this); - dc.SetFont(font); - - h = 10*(dc.GetCharHeight() + 1); - } - else - { - h = m_textctrl->GetSize().y; - } - - m_textctrl->SetSize(0, 0, size.x, h); - m_canvas->SetSize(0, h, size.x, size.y - h); -} - // ---------------------------------------------------------------------------- // MyCanvas // ---------------------------------------------------------------------------- @@ -646,79 +834,105 @@ BEGIN_EVENT_TABLE(MyCanvas, wxWindow) END_EVENT_TABLE() MyCanvas::MyCanvas( wxWindow *parent ) - : wxWindow( parent, -1 ), + : wxWindow( parent, wxID_ANY ), m_colour(*wxRED), m_font(*wxNORMAL_FONT) { } -MyCanvas::~MyCanvas() -{ -} - void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) { wxPaintDC dc(this); PrepareDC(dc); // set background - dc.SetBackground(wxBrush("white", wxSOLID)); + dc.SetBackground(wxBrush(wxT("white"), wxSOLID)); dc.Clear(); + // 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 size is %d points, family is %s, style %s, weight %s", + fontInfo.Printf(wxT("Font size is %d points, family: %s, encoding: %s"), m_font.GetPointSize(), m_font.GetFamilyString().c_str(), + wxFontMapper:: + GetEncodingDescription(m_font.GetEncoding()).c_str()); + + dc.DrawText(fontInfo, x, y); + y += hLine; + + fontInfo.Printf(wxT("Style: %s, weight: %s, fixed width: %s"), m_font.GetStyleString().c_str(), - m_font.GetWeightString().c_str()); + m_font.GetWeightString().c_str(), + m_font.IsFixedWidth() ? _T("yes") : _T("no")); - dc.DrawText(fontInfo, 5, 5); + dc.DrawText(fontInfo, x, y); + y += hLine; if ( m_font.Ok() ) { - wxString fontDesc = m_font.GetNativeFontInfoDesc(); - dc.SetFont(wxFont(fontDesc)); - fontInfo.Printf("Native font info: %s", fontDesc.c_str()); - dc.DrawText(fontInfo, 5, 5 + dc.GetCharHeight()); + 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; // 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(_T("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); + dc.DrawLine(xl, y - 2, xl, y + 7*h - 1); } }