]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/font/font.cpp
fix the size of the generated controls using wxDefaultSize instead of manually-specif...
[wxWidgets.git] / samples / font / font.cpp
index 7fe8717618c9950c58bbe08d9b7585c3a93ade9a..f6c8d5f32da259cc18d25ab49f907928ec2d3992 100644 (file)
 #include "../sample.xpm"
 
 #ifdef __WXMAC__
-#undef wxFontDialog
-#include "wx/mac/fontdlg.h"
+    #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
 // ----------------------------------------------------------------------------
@@ -102,6 +105,7 @@ public:
 
     void OnwxPointerFont(wxCommandEvent& event);
 
+    void OnTestTextValue(wxCommandEvent& event);
     void OnViewMsg(wxCommandEvent& event);
     void OnSelectFont(wxCommandEvent& event);
     void OnEnumerateFamiliesForEncoding(wxCommandEvent& event);
@@ -111,9 +115,10 @@ public:
         { DoEnumerateFamilies(true); }
     void OnEnumerateEncodings(wxCommandEvent& event);
 
-    void OnCheckNativeToFromString(wxCommandEvent& event);
-    void OnCheckNativeToFromUserString(wxCommandEvent& event);
-    void OnCheckFaceName(wxCommandEvent& event);
+    void OnSetNativeDesc(wxCommandEvent& event);
+    void OnSetNativeUserDesc(wxCommandEvent& event);
+    void OnSetFaceName(wxCommandEvent& event);
+    void OnSetEncoding(wxCommandEvent& event);
 
 protected:
     bool DoEnumerateFamilies(bool fixedWidthOnly,
@@ -123,6 +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;
@@ -144,6 +154,8 @@ enum
     Font_Quit = 1,
     Font_About,
     Font_ViewMsg,
+    Font_TestTextValue,
+
     Font_IncSize,
     Font_DecSize,
     Font_Bold,
@@ -160,9 +172,10 @@ enum
     Font_EnumFamilies,
     Font_EnumFixedFamilies,
     Font_EnumEncodings,
-    Font_CheckNativeToFromString,
-    Font_CheckNativeToFromUserString,
-    Font_CheckFaceName,
+    Font_SetNativeDesc,
+    Font_SetNativeUserDesc,
+    Font_SetFaceName,
+    Font_SetEncoding,
     Font_Max
 };
 
@@ -175,6 +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)
 
@@ -190,9 +204,10 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(Font_wxSWISS_FONT, MyFrame::OnwxPointerFont)
 
 
-    EVT_MENU(Font_CheckNativeToFromString, MyFrame::OnCheckNativeToFromString)
-    EVT_MENU(Font_CheckNativeToFromUserString, MyFrame::OnCheckNativeToFromUserString)
-    EVT_MENU(Font_CheckFaceName, MyFrame::OnCheckFaceName)
+    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)
@@ -219,6 +234,9 @@ 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(wxT("Font wxWidgets demo"),
                                  wxPoint(50, 50), wxSize(600, 400));
@@ -241,13 +259,15 @@ 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();
@@ -265,12 +285,12 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
                      wxT("Toggle underlined state"));
 
     menuFont->AppendSeparator();
-    menuFont->Append(Font_CheckNativeToFromString,
-                     wxT("Check Native Font Info To/From String"));
-    menuFont->Append(Font_CheckNativeToFromUserString,
-                     wxT("Check Native Font Info User String"));
-    menuFont->Append(Font_CheckFaceName,
-                     wxT("Check font face name"));                     
+    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"),
@@ -411,8 +431,14 @@ 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];
@@ -422,7 +448,8 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly,
 
         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);
@@ -440,66 +467,38 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly,
 
 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_KOI8_U,
-        wxFONTENCODING_CP1250,
-        wxFONTENCODING_CP1251,
-        wxFONTENCODING_CP1252,
-    };
-
-    static const wxString encodingNames[] =
+    wxFontEncoding enc = GetEncodingFromUser();
+    if ( enc != wxFONTENCODING_SYSTEM )
     {
-        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 )
-    {
-        DoEnumerateFamilies(false, encodings[n]);
+        DoEnumerateFamilies(false, enc);
     }
 }
 
-void MyFrame::OnCheckNativeToFromString(wxCommandEvent& WXUNUSED(event))
+void MyFrame::OnSetNativeDesc(wxCommandEvent& WXUNUSED(event))
 {
-    wxString fontInfo = m_canvas->GetTextFont().GetNativeFontInfoDesc();
-
+    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() )
     {
-        wxLogError(wxT("Native font info string is empty!"));
+        wxLogError(wxT("Font info string \"%s\" is invalid."),
+                   fontInfo.c_str());
+        return;
     }
-    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());
 
-        delete font;
-     }
+    DoChangeFont(font);
 }
 
-void MyFrame::OnCheckFaceName(wxCommandEvent& WXUNUSED(event))
+void MyFrame::OnSetFaceName(wxCommandEvent& WXUNUSED(event))
 {
     wxString facename = GetCanvas()->GetTextFont().GetFaceName();
     wxString newFaceName = wxGetTextFromUser(
@@ -523,7 +522,7 @@ void MyFrame::OnCheckFaceName(wxCommandEvent& WXUNUSED(event))
     }    
 }
 
-void MyFrame::OnCheckNativeToFromUserString(wxCommandEvent& WXUNUSED(event))
+void MyFrame::OnSetNativeUserDesc(wxCommandEvent& WXUNUSED(event))
 {
     wxString fontdesc = GetCanvas()->GetTextFont().GetNativeFontInfoUserDesc();
     wxString fontUserInfo = wxGetTextFromUser(
@@ -546,6 +545,44 @@ void MyFrame::OnCheckNativeToFromUserString(wxCommandEvent& WXUNUSED(event))
     }
 }
 
+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 font = m_canvas->GetTextFont();
@@ -582,13 +619,27 @@ 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;
+
+        case Font_wxSWISS_FONT:
+            font = *wxSWISS_FONT;
+            break;
+
+        default:
+            wxFAIL_MSG( wxT("unknown standard font") );
+            return;
     }
 
     DoChangeFont(font);
@@ -638,6 +689,16 @@ 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
@@ -739,7 +800,8 @@ 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() )
@@ -757,9 +819,9 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event))
 
 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);
 }
 
@@ -832,7 +894,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     dc.SetTextForeground(m_colour);
 
     // the size of one cell (Normally biggest char + small margin)
-    long maxCharWidth, maxCharHeight;
+    wxCoord maxCharWidth, maxCharHeight;
     dc.GetTextExtent(wxT("W"), &maxCharWidth, &maxCharHeight);
     int w = maxCharWidth + 5,
         h = maxCharHeight + 4;
@@ -845,7 +907,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
         {
             wxChar c = (wxChar)(32 * (i + 1) + j);
 
-            long charWidth, charHeight;
+            wxCoord charWidth, charHeight;
             dc.GetTextExtent(c, &charWidth, &charHeight);
             dc.DrawText
             (