X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ea9144a3bcebbc04fbf2174b1ec9e31f92784c44..f1104df1338dcee773ae7d6363f17c4646878bb6:/samples/font/font.cpp diff --git a/samples/font/font.cpp b/samples/font/font.cpp index 56e5a565b6..43ef8f5871 100644 --- a/samples/font/font.cpp +++ b/samples/font/font.cpp @@ -10,7 +10,7 @@ ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". -#include +#include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop @@ -28,6 +28,7 @@ #include #include #include +#include #include // ---------------------------------------------------------------------------- @@ -83,6 +84,9 @@ 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 OnViewMsg(wxCommandEvent& event); void OnSelectFont(wxCommandEvent& event); void OnEnumerateFamiliesForEncoding(wxCommandEvent& event); @@ -92,6 +96,8 @@ public: { DoEnumerateFamilies(TRUE); } void OnEnumerateEncodings(wxCommandEvent& event); + void OnCheckNativeToFromString(wxCommandEvent& event); + void OnSize(wxSizeEvent& event); protected: @@ -99,10 +105,13 @@ protected: wxFontEncoding encoding = wxFONTENCODING_SYSTEM, 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); + size_t m_fontSize; // in points + wxTextCtrl *m_textctrl; MyCanvas *m_canvas; @@ -122,11 +131,14 @@ enum Font_Quit = 1, Font_About, Font_ViewMsg, + Font_IncSize, + Font_DecSize, Font_Choose = 100, Font_EnumFamiliesForEncoding, Font_EnumFamilies, Font_EnumFixedFamilies, Font_EnumEncodings, + Font_CheckNativeToFromString, Font_Max }; @@ -140,12 +152,15 @@ enum BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(Font_Quit, MyFrame::OnQuit) 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_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() @@ -190,6 +205,8 @@ bool MyApp::OnInit() MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) : wxFrame((wxFrame *)NULL, -1, title, pos, size), m_textctrl(NULL) { + m_fontSize = 12; + // create a menu bar wxMenu *menuFile = new wxMenu; @@ -201,17 +218,23 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) menuFile->Append(Font_Quit, "E&xit\tAlt-X", "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->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 f&ixed font families\tCtrl-I"); + "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->AppendSeparator(); + menuFont->Append(Font_CheckNativeToFromString, + "Check Native Font Info To/From String"); // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar; @@ -234,63 +257,70 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) SetStatusText("Welcome to wxWindows font demo!"); } +// -------------------------------------------------------- -// event handlers -void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event)) +class MyEncodingEnumerator : public wxFontEnumerator { - class MyEncodingEnumerator : public wxFontEnumerator - { - public: - MyEncodingEnumerator() { m_n = 0; } - - const wxString& GetText() const { return m_text; } +public: + MyEncodingEnumerator() + { m_n = 0; } - protected: - virtual bool OnFontEncoding(const wxString& facename, - const wxString& encoding) - { - wxString text; - text.Printf("Encoding %d: %s (available in facename '%s')\n", - ++m_n, encoding.c_str(), facename.c_str()); - m_text += text; + const wxString& GetText() const + { return m_text; } - return TRUE; - } +protected: + virtual bool OnFontEncoding(const wxString& facename, + const wxString& encoding) + { + wxString text; + text.Printf(wxT("Encoding %d: %s (available in facename '%s')\n"), + ++m_n, encoding.c_str(), facename.c_str()); + m_text += text; + return TRUE; + } - private: - size_t m_n; +private: + size_t m_n; + wxString m_text; +}; - wxString m_text; - } fontEnumerator; +void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event)) +{ + MyEncodingEnumerator fontEnumerator; fontEnumerator.EnumerateEncodings(); - wxLogMessage("Enumerating all available encodings:\n%s", + wxLogMessage(wxT("Enumerating all available encodings:\n%s"), fontEnumerator.GetText().c_str()); } -bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, - wxFontEncoding encoding, - bool silent) -{ - class MyFontEnumerator : public wxFontEnumerator - { - public: - bool GotAny() const { return !m_facenames.IsEmpty(); } +// ------------------------------------------------------------- - const wxArrayString& GetFacenames() const { return m_facenames; } +class MyFontEnumerator : public wxFontEnumerator +{ +public: + bool GotAny() const + { return !m_facenames.IsEmpty(); } - protected: - virtual bool OnFacename(const wxString& facename) - { - m_facenames.Add(facename); + const wxArrayString& GetFacenames() const + { return m_facenames; } - return TRUE; - } +protected: + virtual bool OnFacename(const wxString& facename) + { + m_facenames.Add(facename); + return TRUE; + } private: wxArrayString m_facenames; - } fontEnumerator; +} fontEnumerator; + +bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, + wxFontEncoding encoding, + bool silent) +{ + MyFontEnumerator fontEnumerator; fontEnumerator.EnumerateFacenames(encoding, fixedWidthOnly); @@ -299,8 +329,8 @@ 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; @@ -338,7 +368,7 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, } else if ( !silent ) { - wxLogWarning("No such fonts found."); + wxLogWarning(wxT("No such fonts found.")); } return FALSE; @@ -359,22 +389,22 @@ void MyFrame::OnEnumerateFamiliesForEncoding(wxCommandEvent& WXUNUSED(event)) wxFONTENCODING_CP1252, }; - static const char *encodingNames[] = + static const wxString encodingNames[] = { - "West European (Latin 1)", - "Central European (Latin 2)", - "Cyrillic (Latin 5)", - "Greek (Latin 7)", - "West European new (Latin 0)", + "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 Latin 2", - "Windows Cyrillic", - "Windows Latin 1", + "Windows Central European (CP 1250)", + "Windows Cyrillic (CP 1251)", + "Windows Western European (CP 1252)", }; int n = wxGetSingleChoiceIndex("Choose an encoding", "Font demo", WXSIZEOF(encodingNames), - (char **)encodingNames, + encodingNames, this); if ( n != -1 ) @@ -383,9 +413,45 @@ void MyFrame::OnEnumerateFamiliesForEncoding(wxCommandEvent& WXUNUSED(event)) } } +void MyFrame::OnCheckNativeToFromString(wxCommandEvent& WXUNUSED(event)) +{ + wxString fontInfo = m_canvas->GetTextFont().GetNativeFontInfoDesc(); + + if ( fontInfo.IsEmpty() ) + { + wxLogError(wxT("Native font info string is empty!")); + } + else + { + wxFont *font = wxFont::New(fontInfo); + if ( fontInfo != font->GetNativeFontInfoDesc() ) + wxLogError(wxT("wxNativeFontInfo ToString()/FromString() broken!")); + else + wxLogError(wxT("wxNativeFontInfo works: %s"), fontInfo.c_str()); + delete font; + } +} + +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() + ) + ); +} + void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col) { - Resize(GetSize(), font); + Resize(GetClientSize(), font); m_canvas->SetTextFont(font); if ( col.Ok() ) @@ -460,7 +526,7 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) if ( line.Left(len) == prefix ) { // found! - const char *pc = line.c_str() + len; + const wxChar *pc = line.c_str() + len; if ( *pc == '"' ) pc++; @@ -475,7 +541,7 @@ 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; @@ -485,10 +551,38 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) wxFontEncoding fontenc = wxTheFontMapper->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 ( fontenc == wxFONTENCODING_UTF8 || + !wxTheFontMapper->IsEncodingAvailable(fontenc) ) + { + // try to find some similar encoding: + wxFontEncoding encAlt; + if ( wxTheFontMapper->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 */) ) { @@ -501,12 +595,10 @@ 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()); } } - - m_textctrl->LoadFile(filename); } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) @@ -519,9 +611,7 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) void MyFrame::OnSize(wxSizeEvent& event) { - wxSize size = event.GetSize(); - - Resize(size); + Resize(GetClientSize()); event.Skip(); } @@ -572,18 +662,27 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) PrepareDC(dc); // set background - dc.SetBackground(wxBrush("white", wxSOLID)); + dc.SetBackground(wxBrush(wxT("white"), wxSOLID)); dc.Clear(); // output the font name/info wxString fontInfo; - fontInfo.Printf("Font family is '%s', style '%s', weight '%s'", + fontInfo.Printf(wxT("Font size is %d points, family is %s, style %s, weight %s"), + m_font.GetPointSize(), m_font.GetFamilyString().c_str(), m_font.GetStyleString().c_str(), m_font.GetWeightString().c_str()); dc.DrawText(fontInfo, 5, 5); + if ( m_font.Ok() ) + { + wxString fontDesc = m_font.GetNativeFontInfoDesc(); + dc.SetFont(m_font); + fontInfo.Printf(wxT("Native font info: %s"), fontDesc.c_str()); + dc.DrawText(fontInfo, 5, 5 + dc.GetCharHeight()); + } + // prepare to draw the font dc.SetFont(m_font); dc.SetTextForeground(m_colour); @@ -601,7 +700,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) { for ( int j = 0; j < 32; j++ ) { - dc.DrawText(char(32*i + j), x + w*j, y + h*i); + dc.DrawText(wxChar(32*i + j), x + w*j, y + h*i); } }