Fix unused param warnings

[wxWidgets.git] / samples / font / font.cpp

diff --git a/samples/font/font.cpp b/samples/font/font.cpp
index 7aee6fac4aad82b2954bf2d55e0de2bb4521389f..722c813fb31a58311739b32033ac81dd8e696514 100644 (file)
--- a/samples/font/font.cpp
+++ b/samples/font/font.cpp
@@ -10,23 +10,37 @@
 /////////////////////////////////////////////////////////////////////////////
 
 // For compilers that support precompilation, includes "wx/wx.h".
 /////////////////////////////////////////////////////////////////////////////
 
 // For compilers that support precompilation, includes "wx/wx.h".

-#include <wx/wxprec.h>
+#include "wx/wxprec.h"

 
 #ifdef __BORLANDC__
     #pragma hdrstop
 #endif
 
 // for all others, include the necessary headers (this file is usually all you
 
 #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< wxWindows headers
+// need because it includes almost all standard wxWidgets headers

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-    #include <wx/wx.h>
+    #include "wx/wx.h"

 
 

-    #include <wx/log.h>
+    #include "wx/log.h"

 #endif
 
 #endif
 

-#include <wx/choicdlg.h>
-#include <wx/fontdlg.h>
-#include <wx/fontenum.h>
+#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/mac/fontdlg.h"
+#endif
+
+// used as title for several dialog boxes
+static const wxChar SAMPLE_TITLE[] = _T("wxWidgets Font Sample");

 
 // ----------------------------------------------------------------------------
 // private classes
 
 // ----------------------------------------------------------------------------
 // private classes


@@ -50,7 +64,7 @@ class MyCanvas: public wxWindow
 {
 public:
     MyCanvas( wxWindow *parent );
 {
 public:
     MyCanvas( wxWindow *parent );

-    ~MyCanvas();
+    virtual ~MyCanvas(){};

 
     // accessors for the frame
     const wxFont& GetTextFont() const { return m_font; }
 
     // accessors for the frame
     const wxFont& GetTextFont() const { return m_font; }


@@ -81,29 +95,51 @@ public:
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
     // 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 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))
     void OnSelectFont(wxCommandEvent& event);
     void OnEnumerateFamiliesForEncoding(wxCommandEvent& event);
     void OnEnumerateFamilies(wxCommandEvent& WXUNUSED(event))

-        { DoEnumerateFamilies(FALSE); }
+        { DoEnumerateFamilies(false); }

     void OnEnumerateFixedFamilies(wxCommandEvent& WXUNUSED(event))
     void OnEnumerateFixedFamilies(wxCommandEvent& WXUNUSED(event))

-        { DoEnumerateFamilies(TRUE); }
+        { DoEnumerateFamilies(true); }

     void OnEnumerateEncodings(wxCommandEvent& event);
 
     void OnEnumerateEncodings(wxCommandEvent& event);
 

-    void OnSize(wxSizeEvent& event);
+    void OnSetNativeDesc(wxCommandEvent& event);
+    void OnSetNativeUserDesc(wxCommandEvent& event);
+    void OnSetFaceName(wxCommandEvent& event);
+    void OnSetEncoding(wxCommandEvent& event);

 
 protected:
 
 protected:

-    void DoEnumerateFamilies(bool fixedWidthOnly,
-                             wxFontEncoding encoding = wxFONTENCODING_SYSTEM);
+    bool DoEnumerateFamilies(bool fixedWidthOnly,
+                             wxFontEncoding encoding = wxFONTENCODING_SYSTEM,
+                             bool silent = false);

 
 

+    void DoResizeFont(int diff);

     void DoChangeFont(const wxFont& font, const wxColour& col = wxNullColour);
 
     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

 
     wxTextCtrl *m_textctrl;
     MyCanvas   *m_canvas;
 
 private:
 
     wxTextCtrl *m_textctrl;
     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()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -117,34 +153,70 @@ enum
     // menu items
     Font_Quit = 1,
     Font_About,
     // menu items
     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_Choose = 100,
     Font_EnumFamiliesForEncoding,
     Font_EnumFamilies,
     Font_EnumFixedFamilies,
     Font_EnumEncodings,

+    Font_SetNativeDesc,
+    Font_SetNativeUserDesc,
+    Font_SetFaceName,
+    Font_SetEncoding,

     Font_Max
 };
 
 // ----------------------------------------------------------------------------
     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)
 // 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_About, MyFrame::OnAbout)

+
+    EVT_MENU(Font_IncSize, MyFrame::OnIncFont)
+    EVT_MENU(Font_DecSize, MyFrame::OnDecFont)
+    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_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_SIZE(MyFrame::OnSize)

 END_EVENT_TABLE()
 
 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
 // 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


@@ -162,18 +234,21 @@ IMPLEMENT_APP(MyApp)
 // `Main program' equivalent: the program execution "starts" here
 bool MyApp::OnInit()
 {
 // `Main program' equivalent: the program execution "starts" here
 bool MyApp::OnInit()
 {

+    if ( !wxApp::OnInit() )
+        return false;
+

     // Create the main application window
     // 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
 
     // 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
     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.
     // application would exit immediately.

-    return TRUE;
+    return true;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -182,178 +257,396 @@ bool MyApp::OnInit()
 
 // frame constructor
 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 
 // 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 = wxNORMAL_FONT->GetPointSize();
+
+    SetIcon(wxIcon(sample_xpm));
+

     // create a menu bar
     wxMenu *menuFile = new wxMenu;
 
     // 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->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;
 
     wxMenu *menuFont = new wxMenu;

-    menuFont->Append(Font_Choose, "&Select font...\tCtrl-S",
-                     "Select a standard 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->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->AppendSeparator();

-    menuFont->Append(Font_EnumFamilies, "Enumerate font &families\tCtrl-F");
-    menuFont->Append(Font_EnumFixedFamilies,
-                     "Enumerate f&ixed font families\tCtrl-I");
-    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->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;
 
     // 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);
 
 
     // ... 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);
 
                                 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();
     // 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

 }
 
 }
 

+// --------------------------------------------------------

 
 

-// 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& family,
-                                    const wxString& encoding)
-        {
-            wxString text;
-            text.Printf("Encoding %d: %s (available in family '%s')\n",
-                         ++m_n, encoding.c_str(), family.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 %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;
+private:
+    size_t m_n;
+    wxString m_text;
+};

 
 

-        wxString m_text;
-    } fontEnumerator;
+void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event))
+{
+    MyEncodingEnumerator fontEnumerator;

 
     fontEnumerator.EnumerateEncodings();
 
 
     fontEnumerator.EnumerateEncodings();
 

-    wxLogMessage("Enumerating all available encodings:\n%s",
+    wxLogMessage(wxT("Enumerating all available encodings:\n%s"),

                  fontEnumerator.GetText().c_str());
 }
 
                  fontEnumerator.GetText().c_str());
 }
 

-void MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, wxFontEncoding encoding)
-{
-    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 OnFontFamily(const wxString& family)
-        {
-            m_facenames.Add(family);
+    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;
 
     private:
         wxArrayString m_facenames;

-    } fontEnumerator;
+} fontEnumerator;
+
+bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly,
+                                  wxFontEncoding encoding,
+                                  bool silent)
+{
+    MyFontEnumerator fontEnumerator;

 
 

-    fontEnumerator.EnumerateFamilies(encoding, fixedWidthOnly);
+    fontEnumerator.EnumerateFacenames(encoding, fixedWidthOnly);

 
     if ( fontEnumerator.GotAny() )
     {
 
     if ( fontEnumerator.GotAny() )
     {

-        int n, nFacenames = fontEnumerator.GetFacenames().GetCount();
-        wxLogStatus(this, "Found %d %sfonts",
-                    nFacenames, fixedWidthOnly ? "fixed width " : "");
+        int nFacenames = fontEnumerator.GetFacenames().GetCount();
+        if ( !silent )
+        {
+            wxLogStatus(this, wxT("Found %d %sfonts"),
+                        nFacenames, fixedWidthOnly ? wxT("fixed width ") : wxT(""));
+        }

 
 

-        wxString *facenames = new wxString[nFacenames];
-        for ( n = 0; n < nFacenames; n++ )
-            facenames[n] = fontEnumerator.GetFacenames().Item(n);
+        wxString facename;

 
 

-        n = wxGetSingleChoiceIndex("Choose a facename", "Font demo",
-                                   nFacenames, facenames, this);
-        if ( n != -1 )
+        if ( silent )

         {
         {

-            wxFont font(14, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
-                        wxFONTWEIGHT_NORMAL, FALSE, facenames[n], encoding);
+            // 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(wxNORMAL_FONT->GetPointSize(),
+                        wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
+                        wxFONTWEIGHT_NORMAL, false, facename, encoding);

 
             DoChangeFont(font);
         }
 
 
             DoChangeFont(font);
         }
 

-        delete [] facenames;
+        return true;

     }
     }

-    else
+    else if ( !silent )

     {
     {

-        wxLogWarning("No such fonts found.");
+        wxLogWarning(wxT("No such fonts found."));

     }
     }

+
+    return false;

 }
 
 void MyFrame::OnEnumerateFamiliesForEncoding(wxCommandEvent& WXUNUSED(event))
 {
 }
 
 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_CP1250,
-        wxFONTENCODING_CP1251,
-        wxFONTENCODING_CP1252,
-    };
-
-    static const char *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() )

     {
     {

-        "West European (Latin 1)",
-        "Central European (Latin 2)",
-        "Cyrillic (Latin 5)",
-        "Greek (Latin 7)",
-        "West European new (Latin 0)",
-        "KOI8-R",
-        "Windows Latin 2",
-        "Windows Cyrillic",
-        "Windows Latin 1",
-    };
-
-    int n = wxGetSingleChoiceIndex("Choose an encoding", "Font demo",
-                                   WXSIZEOF(encodingNames),
-                                   (char **)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::DoChangeFont(const wxFont& font, const wxColour& col)
+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.Ok(), wxT("The font should now be valid"));
+        DoChangeFont(font);
+    }
+    else
+    {
+        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))

 {
 {

-    Resize(GetSize(), font);
+    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 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::OnItalic(wxCommandEvent& event)
+{
+    wxFont font = m_canvas->GetTextFont();
+
+    font.SetStyle(event.IsChecked() ? wxFONTSTYLE_ITALIC : 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::DoChangeFont(const wxFont& font, const wxColour& col)
+{

     m_canvas->SetTextFont(font);
     if ( col.Ok() )
         m_canvas->SetColour(col);
     m_canvas->SetTextFont(font);
     if ( col.Ok() )
         m_canvas->SetColour(col);


@@ -362,6 +655,15 @@ void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col)
     m_textctrl->SetFont(font);
     if ( col.Ok() )
         m_textctrl->SetForegroundColour(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))
 }
 
 void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event))


@@ -370,7 +672,7 @@ void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event))
     data.SetInitialFont(m_canvas->GetTextFont());
     data.SetColour(m_canvas->GetColour());
 
     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();
     if ( dialog.ShowModal() == wxID_OK )
     {
         wxFontData retData = dialog.GetFontData();


@@ -383,45 +685,144 @@ void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnQuit(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::OnAbout(wxCommandEvent& WXUNUSED(event))
+void MyFrame::OnTestTextValue(wxCommandEvent& WXUNUSED(event))

 {
 {

-    wxMessageBox("wxWindows font demo\n"
-                 "(c) 1999 Vadim Zeitlin",
-                 "About Font",
-                 wxOK | wxICON_INFORMATION, this);
+    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::OnSize(wxSizeEvent& event)
+void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event))

 {
 {

-    wxSize size = event.GetSize();
+#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;

 
 

-    Resize(size);
-}
+    // 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());

 
 

-void MyFrame::Resize(const wxSize& size, const wxFont& font)
-{
-    if ( !m_textctrl )

         return;
         return;

+    }

 
 

-    wxCoord h;
-    if ( font.Ok() )
+    // ok, now get the corresponding encoding
+    wxFontEncoding fontenc = wxFontMapper::Get()->CharsetToEncoding(charset);
+    if ( fontenc == wxFONTENCODING_SYSTEM )

     {
     {

-        wxClientDC dc(this);
-        dc.SetFont(font);
+        wxLogError(wxT("Charset '%s' is unsupported."), charset.c_str());
+        return;
+    }
+
+    m_textctrl->LoadFile(filename);

 
 

-        h = 4*dc.GetCharHeight() + 4;
+    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());

     }
     }

-    else
+
+    // and now create the correct font
+    if ( !DoEnumerateFamilies(false, fontenc, true /* silent */) )

     {
     {

-        h = m_textctrl->GetSize().y;
+        wxFont font(wxNORMAL_FONT->GetPointSize(),
+                    wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
+                    wxFONTWEIGHT_NORMAL, false /* !underlined */,
+                    wxEmptyString /* facename */, fontenc);
+        if ( font.Ok() )
+        {
+            DoChangeFont(font);
+        }
+        else
+        {
+            wxLogWarning(wxT("No fonts for encoding '%s' on this system."),
+                         wxFontMapper::GetEncodingDescription(fontenc).c_str());
+        }

     }
     }

+#endif // wxUSE_FILEDLG
+}

 
 

-    m_textctrl->SetSize(0, 0, size.x, h);
-    m_canvas->SetSize(0, h, size.x, size.y - h);
+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);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -433,13 +834,8 @@ BEGIN_EVENT_TABLE(MyCanvas, wxWindow)
 END_EVENT_TABLE()
 
 MyCanvas::MyCanvas( wxWindow *parent )
 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)

 {
 }
 
 {
 }
 


@@ -449,55 +845,94 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     PrepareDC(dc);
 
     // set background
     PrepareDC(dc);
 
     // set background

-    dc.SetBackground(wxBrush("white", wxSOLID));
+    dc.SetBackground(wxBrush(wxT("white"), wxSOLID));

     dc.Clear();
 
     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;
     // 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: %s, encoding: %s"),
+                    m_font.GetPointSize(),

                     m_font.GetFamilyString().c_str(),
                     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.GetStyleString().c_str(),

-                    m_font.GetWeightString().c_str());
+                    m_font.GetWeightString().c_str(),
+                    m_font.IsFixedWidth() ? _T("yes") : _T("no"));
+
+    dc.DrawText(fontInfo, x, y);
+    y += hLine;
+
+    if ( m_font.Ok() )
+    {
+        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;
+        }
+    }

 
 

-    dc.DrawText(fontInfo, 5, 5);
+    y += hLine;

 
     // prepare to draw the font
     dc.SetFont(m_font);
     dc.SetTextForeground(m_colour);
 
 
     // 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)
+    long 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
 
     // 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++ )
         {
     {
         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);
+
+            long 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
         }
     }
 
     // draw the lines between them

-    dc.SetPen(wxPen(wxColour("blue"), 1, wxSOLID));
+    dc.SetPen(wxPen(wxColour(_T("blue")), 1, wxSOLID));

     int l;
 
     // horizontal
     int l;
 
     // horizontal

-    y += h;

     for ( l = 0; l < 8; l++ )
     {
         int yl = y + h*l - 2;
     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;
     }
 
     // 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);

     }
 }
     }
 }