X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/be5a51fb592f3fa2ba38ac6cd1e488d6d806058c..c50fa29f4330e46da62bb75a1e6a7bfe2a032ad0:/samples/font/font.cpp diff --git a/samples/font/font.cpp b/samples/font/font.cpp index 61eeecb067..0773236da9 100644 --- a/samples/font/font.cpp +++ b/samples/font/font.cpp @@ -32,6 +32,16 @@ #include "wx/splitter.h" #include "wx/textfile.h" +#include "../sample.xpm" + +#ifdef __WXMAC__ + #undef wxFontDialog + #include "wx/mac/fontdlg.h" +#endif + +// used as title for several dialog boxes +static const wxChar SAMPLE_TITLE[] = _T("wxWidgets Font Sample"); + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- @@ -54,7 +64,7 @@ class MyCanvas: public wxWindow { public: MyCanvas( wxWindow *parent ); - virtual ~MyCanvas(); + virtual ~MyCanvas(){}; // accessors for the frame const wxFont& GetTextFont() const { return m_font; } @@ -95,6 +105,7 @@ public: void OnwxPointerFont(wxCommandEvent& event); + void OnTestTextValue(wxCommandEvent& event); void OnViewMsg(wxCommandEvent& event); void OnSelectFont(wxCommandEvent& event); void OnEnumerateFamiliesForEncoding(wxCommandEvent& event); @@ -104,7 +115,10 @@ public: { DoEnumerateFamilies(true); } void OnEnumerateEncodings(wxCommandEvent& event); - void OnCheckNativeToFromString(wxCommandEvent& event); + void OnSetNativeDesc(wxCommandEvent& event); + void OnSetNativeUserDesc(wxCommandEvent& event); + void OnSetFaceName(wxCommandEvent& event); + void OnSetEncoding(wxCommandEvent& event); protected: bool DoEnumerateFamilies(bool fixedWidthOnly, @@ -114,6 +128,11 @@ protected: 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(); + + size_t m_fontSize; // in points wxTextCtrl *m_textctrl; @@ -135,6 +154,8 @@ enum Font_Quit = 1, Font_About, Font_ViewMsg, + Font_TestTextValue, + Font_IncSize, Font_DecSize, Font_Bold, @@ -151,7 +172,10 @@ enum Font_EnumFamilies, Font_EnumFixedFamilies, Font_EnumEncodings, - Font_CheckNativeToFromString, + Font_SetNativeDesc, + Font_SetNativeUserDesc, + Font_SetFaceName, + Font_SetEncoding, Font_Max }; @@ -164,6 +188,7 @@ enum // 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) @@ -178,7 +203,11 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(Font_wxITALIC_FONT, MyFrame::OnwxPointerFont) EVT_MENU(Font_wxSWISS_FONT, MyFrame::OnwxPointerFont) - EVT_MENU(Font_CheckNativeToFromString, MyFrame::OnCheckNativeToFromString) + + 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) @@ -227,11 +256,15 @@ bool MyApp::OnInit() MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) : 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_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(); @@ -243,14 +276,18 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) 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_Bold, wxT("&Bold\tCtrl-B"), wxT("Toggle bold state"), true); - menuFont->Append(Font_Italic, wxT("&Oblique\tCtrl-O"), wxT("Toggle italic state"), true); - menuFont->Append(Font_Underlined, wxT("&Underlined\tCtrl-U"), - wxT("Toggle underlined state"), true); + 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, - wxT("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"), @@ -293,9 +330,11 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) 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(wxT("Welcome to wxWidgets font demo!")); +#endif // wxUSE_STATUSBAR } // -------------------------------------------------------- @@ -314,8 +353,8 @@ protected: const wxString& encoding) { wxString text; - text.Printf(wxT("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; } @@ -375,6 +414,7 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, } wxString facename; + if ( silent ) { // choose the first @@ -388,8 +428,14 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, for ( n = 0; n < nFacenames; n++ ) facenames[n] = fontEnumerator.GetFacenames().Item(n); - n = wxGetSingleChoiceIndex(wxT("Choose a facename"), wxT("Font demo"), - nFacenames, facenames, this); + n = wxGetSingleChoiceIndex + ( + wxT("Choose a facename"), + SAMPLE_TITLE, + nFacenames, + facenames, + this + ); if ( n != -1 ) facename = facenames[n]; @@ -397,9 +443,10 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, delete [] facenames; } - if ( !facename.IsEmpty() ) + if ( !facename.empty() ) { - wxFont font(12, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, + wxFont font(wxNORMAL_FONT->GetPointSize(), + wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false, facename, encoding); DoChangeFont(font); @@ -417,63 +464,120 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, void MyFrame::OnEnumerateFamiliesForEncoding(wxCommandEvent& WXUNUSED(event)) { - static wxFontEncoding encodings[] = + wxFontEncoding enc = GetEncodingFromUser(); + if ( enc != wxFONTENCODING_SYSTEM ) { - wxFONTENCODING_ISO8859_1, - wxFONTENCODING_ISO8859_2, - wxFONTENCODING_ISO8859_5, - wxFONTENCODING_ISO8859_7, - wxFONTENCODING_ISO8859_15, - wxFONTENCODING_KOI8, - wxFONTENCODING_KOI8_U, - wxFONTENCODING_CP1250, - wxFONTENCODING_CP1251, - wxFONTENCODING_CP1252, - }; - - static const wxString encodingNames[] = + 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() ) { - wxT("Western European (ISO-8859-1)"), - wxT("Central European (ISO-8859-2)"), - wxT("Cyrillic (ISO-8859-5)"), - wxT("Greek (ISO-8859-7)"), - wxT("Western European with Euro (ISO-8859-15)"), - wxT("KOI8-R"), - wxT("KOI8-U"), - wxT("Windows Central European (CP 1250)"), - wxT("Windows Cyrillic (CP 1251)"), - wxT("Windows Western European (CP 1252)"), - }; - - int n = wxGetSingleChoiceIndex(wxT("Choose an encoding"), wxT("Font demo"), - WXSIZEOF(encodingNames), - encodingNames, - this); - - if ( n != -1 ) + wxLogError(wxT("Font info string \"%s\" is invalid."), + fontInfo.c_str()); + return; + } + + 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 { - DoEnumerateFamilies(false, encodings[n]); + 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); + } } -void MyFrame::OnCheckNativeToFromString(wxCommandEvent& WXUNUSED(event)) +void MyFrame::OnSetNativeUserDesc(wxCommandEvent& WXUNUSED(event)) { - wxString fontInfo = m_canvas->GetTextFont().GetNativeFontInfoDesc(); + 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 - if ( fontInfo.IsEmpty() ) + wxFont font; + if (font.SetNativeFontInfoUserDesc(fontUserInfo)) { - wxLogError(wxT("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(wxT("wxNativeFontInfo ToString()/FromString() broken!")); - else - wxLogMessage(wxT("wxNativeFontInfo works: %s"), fontInfo.c_str()); + 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); - delete font; - } + 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) @@ -512,18 +616,28 @@ void MyFrame::OnwxPointerFont(wxCommandEvent& event) { wxFont font; - switch (event.GetId()) + switch ( event.GetId() ) { - case Font_wxNORMAL_FONT : font = wxFont(*wxNORMAL_FONT); break; - case Font_wxSMALL_FONT : font = wxFont(*wxSMALL_FONT); break; - case Font_wxITALIC_FONT : font = wxFont(*wxITALIC_FONT); break; - case Font_wxSWISS_FONT : font = wxFont(*wxSWISS_FONT); break; - default : font = wxFont(*wxNORMAL_FONT); break; - } + case Font_wxNORMAL_FONT: + font = *wxNORMAL_FONT; + break; + + case Font_wxSMALL_FONT: + font = *wxSMALL_FONT; + break; + + case Font_wxITALIC_FONT: + font = *wxITALIC_FONT; + break; - GetMenuBar()->Check(Font_Bold, false); - GetMenuBar()->Check(Font_Italic, false); - GetMenuBar()->Check(Font_Underlined, false); + case Font_wxSWISS_FONT: + font = *wxSWISS_FONT; + break; + + default: + wxFAIL_MSG( wxT("unknown standard font") ); + return; + } DoChangeFont(font); } @@ -538,6 +652,15 @@ 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)) @@ -554,15 +677,6 @@ void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event)) wxColour colour = retData.GetColour(); DoChangeFont(font, colour); - - // 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()); - } } } @@ -572,8 +686,19 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) 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"), @@ -672,7 +797,8 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) // and now create the correct font if ( !DoEnumerateFamilies(false, fontenc, true /* silent */) ) { - wxFont font(12, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, + wxFont font(wxNORMAL_FONT->GetPointSize(), + wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false /* !underlined */, wxEmptyString /* facename */, fontenc); if ( font.Ok() ) @@ -685,13 +811,14 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) wxFontMapper::GetEncodingDescription(fontenc).c_str()); } } +#endif // wxUSE_FILEDLG } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { - wxMessageBox(wxT("wxWidgets font demo\n") - wxT("(c) 1999 Vadim Zeitlin"), - wxT("About Font"), + wxMessageBox(wxT("wxWidgets font sample\n") + wxT("(c) 1999-2006 Vadim Zeitlin"), + wxString(wxT("About ")) + SAMPLE_TITLE, wxOK | wxICON_INFORMATION, this); } @@ -709,10 +836,6 @@ MyCanvas::MyCanvas( wxWindow *parent ) { } -MyCanvas::~MyCanvas() -{ -} - void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) { wxPaintDC dc(this); @@ -734,7 +857,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) fontInfo.Printf(wxT("Font size is %d points, family: %s, encoding: %s"), m_font.GetPointSize(), m_font.GetFamilyString().c_str(), - wxFontMapper::Get()-> + wxFontMapper:: GetEncodingDescription(m_font.GetEncoding()).c_str()); dc.DrawText(fontInfo, x, y); @@ -779,7 +902,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) { for ( int j = 0; j < 32; j++ ) { - wxChar c = 32 * (i + 1) + j; + wxChar c = (wxChar)(32 * (i + 1) + j); long charWidth, charHeight; dc.GetTextExtent(c, &charWidth, &charHeight);