Don't call wxTextMeasure::BeginMeasuring() when using non-native wxDC.

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

diff --git a/samples/font/font.cpp b/samples/font/font.cpp
index cb036de8b7c21e0bf91f0ed128fce1e49e127961..0dbf46ac59799eef0567ce52ffb931da21f0050a 100644 (file)
--- a/samples/font/font.cpp
+++ b/samples/font/font.cpp
@@ -102,11 +102,12 @@ public:
 
     void OnBold(wxCommandEvent& event);
     void OnLight(wxCommandEvent& event);
 
     void OnBold(wxCommandEvent& event);
     void OnLight(wxCommandEvent& event);

-    
+

     void OnItalic(wxCommandEvent& event);
     void OnSlant(wxCommandEvent& event);
     void OnItalic(wxCommandEvent& event);
     void OnSlant(wxCommandEvent& event);

-    
+

     void OnUnderline(wxCommandEvent& event);
     void OnUnderline(wxCommandEvent& event);

+    void OnStrikethrough(wxCommandEvent& event);

 
     void OnwxPointerFont(wxCommandEvent& event);
     void OnwxSystemSettingsFont(wxCommandEvent& event);
 
     void OnwxPointerFont(wxCommandEvent& event);
     void OnwxSystemSettingsFont(wxCommandEvent& event);


@@ -123,7 +124,7 @@ public:
 
     void OnSetNativeDesc(wxCommandEvent& event);
     void OnSetNativeUserDesc(wxCommandEvent& event);
 
     void OnSetNativeDesc(wxCommandEvent& event);
     void OnSetNativeUserDesc(wxCommandEvent& event);

-    
+

     void OnSetFamily(wxCommandEvent& event);
     void OnSetFaceName(wxCommandEvent& event);
     void OnSetEncoding(wxCommandEvent& event);
     void OnSetFamily(wxCommandEvent& event);
     void OnSetFaceName(wxCommandEvent& event);
     void OnSetEncoding(wxCommandEvent& event);


@@ -164,21 +165,22 @@ enum
     // menu items
     Font_Quit = wxID_EXIT,
     Font_About = wxID_ABOUT,
     // menu items
     Font_Quit = wxID_EXIT,
     Font_About = wxID_ABOUT,

-    
+

     Font_ViewMsg = wxID_HIGHEST+1,
     Font_TestTextValue,
 
     Font_IncSize,
     Font_DecSize,
     Font_ViewMsg = wxID_HIGHEST+1,
     Font_TestTextValue,
 
     Font_IncSize,
     Font_DecSize,

-    
+

     Font_Bold,
     Font_Light,
     Font_Bold,
     Font_Light,

-    
+

     Font_Italic,
     Font_Slant,
     Font_Italic,
     Font_Slant,

-    
+

     Font_Underlined,
     Font_Underlined,

-    
+    Font_Strikethrough,
+

     // standard global wxFont objects:
     Font_wxNORMAL_FONT,
     Font_wxSMALL_FONT,
     // standard global wxFont objects:
     Font_wxNORMAL_FONT,
     Font_wxSMALL_FONT,


@@ -223,14 +225,15 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 
     EVT_MENU(Font_IncSize, MyFrame::OnIncFont)
     EVT_MENU(Font_DecSize, MyFrame::OnDecFont)
 
     EVT_MENU(Font_IncSize, MyFrame::OnIncFont)
     EVT_MENU(Font_DecSize, MyFrame::OnDecFont)

-    
+

     EVT_MENU(Font_Bold, MyFrame::OnBold)
     EVT_MENU(Font_Light, MyFrame::OnLight)
     EVT_MENU(Font_Bold, MyFrame::OnBold)
     EVT_MENU(Font_Light, MyFrame::OnLight)

-    
+

     EVT_MENU(Font_Italic, MyFrame::OnItalic)
     EVT_MENU(Font_Slant, MyFrame::OnSlant)
     EVT_MENU(Font_Italic, MyFrame::OnItalic)
     EVT_MENU(Font_Slant, MyFrame::OnSlant)

-    
+

     EVT_MENU(Font_Underlined, MyFrame::OnUnderline)
     EVT_MENU(Font_Underlined, MyFrame::OnUnderline)

+    EVT_MENU(Font_Strikethrough, MyFrame::OnStrikethrough)

 
     EVT_MENU(Font_wxNORMAL_FONT, MyFrame::OnwxPointerFont)
     EVT_MENU(Font_wxSMALL_FONT, MyFrame::OnwxPointerFont)
 
     EVT_MENU(Font_wxNORMAL_FONT, MyFrame::OnwxPointerFont)
     EVT_MENU(Font_wxSMALL_FONT, MyFrame::OnwxPointerFont)


@@ -282,9 +285,8 @@ bool MyApp::OnInit()
     MyFrame *frame = new MyFrame(wxT("Font wxWidgets demo"),
                                  wxPoint(50, 50), wxSize(600, 400));
 
     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

     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
 
     // success: wxApp::OnRun() will be called which will enter the main message
     // loop and the application will run. If we returned 'false' here, the


@@ -312,7 +314,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuFile->Append(Font_ViewMsg, wxT("&View...\tCtrl-V"),
                      wxT("View an email message file"));
     menuFile->AppendSeparator();
     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->Append(Font_About, wxT("&About\tCtrl-A"), wxT("Show about dialog"));

     menuFile->AppendSeparator();
     menuFile->Append(Font_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
 
     menuFile->AppendSeparator();
     menuFile->Append(Font_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
 


@@ -331,6 +333,8 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuFont->AppendSeparator();
     menuFont->AppendCheckItem(Font_Underlined, wxT("&Underlined\tCtrl-U"),
                               wxT("Toggle underlined state"));
     menuFont->AppendSeparator();
     menuFont->AppendCheckItem(Font_Underlined, wxT("&Underlined\tCtrl-U"),
                               wxT("Toggle underlined state"));

+    menuFont->AppendCheckItem(Font_Strikethrough, wxT("&Strikethrough"),
+                              wxT("Toggle strikethrough state"));

 
     menuFont->AppendSeparator();
     menuFont->Append(Font_SetNativeDesc,
 
     menuFont->AppendSeparator();
     menuFont->Append(Font_SetNativeDesc,


@@ -339,7 +343,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
                      wxT("Set &user font description\tShift-Ctrl-U"));
     menuFont->AppendSeparator();
     menuFont->Append(Font_SetFamily, wxT("Set font family"));
                      wxT("Set &user font description\tShift-Ctrl-U"));
     menuFont->AppendSeparator();
     menuFont->Append(Font_SetFamily, wxT("Set font family"));

-    menuFont->Append(Font_SetFaceName, wxT("Set font face name"));                     
+    menuFont->Append(Font_SetFaceName, wxT("Set font face name"));

     menuFont->Append(Font_SetEncoding, wxT("Set font &encoding\tShift-Ctrl-E"));
 
     wxMenu *menuSelect = new wxMenu;
     menuFont->Append(Font_SetEncoding, wxT("Set font &encoding\tShift-Ctrl-E"));
 
     wxMenu *menuSelect = new wxMenu;


@@ -354,21 +358,21 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuSelect->Append(Font_Standard, wxT("Standar&d fonts"), menuStdFonts);
 
     wxMenu *menuSettingFonts = new wxMenu;
     menuSelect->Append(Font_Standard, wxT("Standar&d fonts"), menuStdFonts);
 
     wxMenu *menuSettingFonts = new wxMenu;

-    menuSettingFonts->Append(Font_wxSYS_OEM_FIXED_FONT, wxT("wxSYS_OEM_FIXED_FONT"), 
+    menuSettingFonts->Append(Font_wxSYS_OEM_FIXED_FONT, wxT("wxSYS_OEM_FIXED_FONT"),

                          wxT("Original equipment manufacturer dependent fixed-pitch font."));
                          wxT("Original equipment manufacturer dependent fixed-pitch font."));

-    menuSettingFonts->Append(Font_wxSYS_ANSI_FIXED_FONT,  wxT("wxSYS_ANSI_FIXED_FONT"),  
+    menuSettingFonts->Append(Font_wxSYS_ANSI_FIXED_FONT,  wxT("wxSYS_ANSI_FIXED_FONT"),

                          wxT("Windows fixed-pitch (monospaced) font. "));
                          wxT("Windows fixed-pitch (monospaced) font. "));

-    menuSettingFonts->Append(Font_wxSYS_ANSI_VAR_FONT, wxT("wxSYS_ANSI_VAR_FONT"), 
+    menuSettingFonts->Append(Font_wxSYS_ANSI_VAR_FONT, wxT("wxSYS_ANSI_VAR_FONT"),

                          wxT("Windows variable-pitch (proportional) font."));
                          wxT("Windows variable-pitch (proportional) font."));

-    menuSettingFonts->Append(Font_wxSYS_SYSTEM_FONT,  wxT("wxSYS_SYSTEM_FONT"), 
+    menuSettingFonts->Append(Font_wxSYS_SYSTEM_FONT,  wxT("wxSYS_SYSTEM_FONT"),

                          wxT("System font."));
     menuSettingFonts->Append(Font_wxSYS_DEVICE_DEFAULT_FONT,  wxT("wxSYS_DEVICE_DEFAULT_FONT"),
                          wxT("Device-dependent font."));
                          wxT("System font."));
     menuSettingFonts->Append(Font_wxSYS_DEVICE_DEFAULT_FONT,  wxT("wxSYS_DEVICE_DEFAULT_FONT"),
                          wxT("Device-dependent font."));

-    menuSettingFonts->Append(Font_wxSYS_DEFAULT_GUI_FONT,  wxT("wxSYS_DEFAULT_GUI_FONT"), 
+    menuSettingFonts->Append(Font_wxSYS_DEFAULT_GUI_FONT,  wxT("wxSYS_DEFAULT_GUI_FONT"),

                          wxT("Default font for user interface objects such as menus and dialog boxes. "));
     menuSelect->Append(Font_SystemSettings, wxT("System fonts"), menuSettingFonts);
                          wxT("Default font for user interface objects such as menus and dialog boxes. "));
     menuSelect->Append(Font_SystemSettings, wxT("System fonts"), menuSettingFonts);

-    
-    
+
+

     menuSelect->AppendSeparator();
     menuSelect->Append(Font_EnumFamilies, wxT("Enumerate font &families\tCtrl-F"));
     menuSelect->Append(Font_EnumFixedFamilies,
     menuSelect->AppendSeparator();
     menuSelect->Append(Font_EnumFamilies, wxT("Enumerate font &families\tCtrl-F"));
     menuSelect->Append(Font_EnumFixedFamilies,


@@ -554,7 +558,7 @@ void MyFrame::OnSetNativeDesc(wxCommandEvent& WXUNUSED(event))
 
     wxFont font;
     font.SetNativeFontInfo(fontInfo);
 
     wxFont font;
     font.SetNativeFontInfo(fontInfo);

-    if ( !font.Ok() )
+    if ( !font.IsOk() )

     {
         wxLogError(wxT("Font info string \"%s\" is invalid."),
                    fontInfo.c_str());
     {
         wxLogError(wxT("Font info string \"%s\" is invalid."),
                    fontInfo.c_str());


@@ -577,12 +581,12 @@ void MyFrame::OnSetNativeUserDesc(wxCommandEvent& WXUNUSED(event))
     wxFont font;
     if (font.SetNativeFontInfoUserDesc(fontUserInfo))
     {
     wxFont font;
     if (font.SetNativeFontInfoUserDesc(fontUserInfo))
     {

-        wxASSERT_MSG(font.Ok(), wxT("The font should now be valid"));
+        wxASSERT_MSG(font.IsOk(), wxT("The font should now be valid"));

         DoChangeFont(font);
     }
     else
     {
         DoChangeFont(font);
     }
     else
     {

-        wxASSERT_MSG(!font.Ok(), wxT("The font should now be invalid"));
+        wxASSERT_MSG(!font.IsOk(), wxT("The font should now be invalid"));

         wxMessageBox(wxT("Error trying to create a font with such description..."));
     }
 }
         wxMessageBox(wxT("Error trying to create a font with such description..."));
     }
 }


@@ -609,12 +613,12 @@ void MyFrame::OnSetFaceName(wxCommandEvent& WXUNUSED(event))
     wxFont font(GetCanvas()->GetTextFont());
     if (font.SetFaceName(newFaceName))      // change facename only
     {
     wxFont font(GetCanvas()->GetTextFont());
     if (font.SetFaceName(newFaceName))      // change facename only
     {

-        wxASSERT_MSG(font.Ok(), wxT("The font should now be valid"));
+        wxASSERT_MSG(font.IsOk(), wxT("The font should now be valid"));

         DoChangeFont(font);
     }
     else
     {
         DoChangeFont(font);
     }
     else
     {

-        wxASSERT_MSG(!font.Ok(), wxT("The font should now be invalid"));
+        wxASSERT_MSG(!font.IsOk(), 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);
     }
         wxMessageBox(wxT("There is no font with such face name..."),
                      wxT("Invalid face name"), wxOK|wxICON_ERROR, this);
     }


@@ -736,6 +740,13 @@ void MyFrame::OnUnderline(wxCommandEvent& event)
     DoChangeFont(font);
 }
 
     DoChangeFont(font);
 }
 

+void MyFrame::OnStrikethrough(wxCommandEvent& event)
+{
+    wxFont font = m_canvas->GetTextFont();
+    font.SetStrikethrough(event.IsChecked());
+    DoChangeFont(font);
+}
+

 void MyFrame::OnwxPointerFont(wxCommandEvent& event)
 {
     wxFont font;
 void MyFrame::OnwxPointerFont(wxCommandEvent& event)
 {
     wxFont font;


@@ -807,13 +818,14 @@ void MyFrame::OnwxSystemSettingsFont(wxCommandEvent& event)
 void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col)
 {
     m_canvas->SetTextFont(font);
 void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col)
 {
     m_canvas->SetTextFont(font);

-    if ( col.Ok() )
+    if ( col.IsOk() )

         m_canvas->SetColour(col);
     m_canvas->Refresh();
 
     m_textctrl->SetFont(font);
         m_canvas->SetColour(col);
     m_canvas->Refresh();
 
     m_textctrl->SetFont(font);

-    if ( col.Ok() )
+    if ( col.IsOk() )

         m_textctrl->SetForegroundColour(col);
         m_textctrl->SetForegroundColour(col);

+    m_textctrl->Refresh();

 
     // update the state of the bold/italic/underlined menu items
     wxMenuBar *mbar = GetMenuBar();
 
     // update the state of the bold/italic/underlined menu items
     wxMenuBar *mbar = GetMenuBar();


@@ -821,13 +833,14 @@ void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col)
     {
         mbar->Check(Font_Light, font.GetWeight() == wxFONTWEIGHT_LIGHT);
         mbar->Check(Font_Bold, font.GetWeight() == wxFONTWEIGHT_BOLD);
     {
         mbar->Check(Font_Light, font.GetWeight() == wxFONTWEIGHT_LIGHT);
         mbar->Check(Font_Bold, font.GetWeight() == wxFONTWEIGHT_BOLD);

-        
+

         mbar->Check(Font_Italic, font.GetStyle() == wxFONTSTYLE_ITALIC);
 #ifndef __WXMSW__
         mbar->Check(Font_Slant, font.GetStyle() == wxFONTSTYLE_SLANT);
 #endif
         mbar->Check(Font_Italic, font.GetStyle() == wxFONTSTYLE_ITALIC);
 #ifndef __WXMSW__
         mbar->Check(Font_Slant, font.GetStyle() == wxFONTSTYLE_SLANT);
 #endif

-        
+

         mbar->Check(Font_Underlined, font.GetUnderlined());
         mbar->Check(Font_Underlined, font.GetUnderlined());

+        mbar->Check(Font_Strikethrough, font.GetStrikethrough());

     }
 }
 
     }
 }
 


@@ -969,7 +982,7 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event))
                     wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
                     wxFONTWEIGHT_NORMAL, false /* !underlined */,
                     wxEmptyString /* facename */, fontenc);
                     wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
                     wxFONTWEIGHT_NORMAL, false /* !underlined */,
                     wxEmptyString /* facename */, fontenc);

-        if ( font.Ok() )
+        if ( font.IsOk() )

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


@@ -1010,7 +1023,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     PrepareDC(dc);
 
     // set background
     PrepareDC(dc);
 
     // set background

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

     dc.Clear();
     dc.SetFont(m_font);
 
     dc.Clear();
     dc.SetFont(m_font);
 


@@ -1023,7 +1036,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
     // output the font name/info
     wxString fontInfo;
 
     // output the font name/info
     wxString fontInfo;

-    
+

     fontInfo.Printf(wxT("Face name: %s, family: %s"),
                     m_font.GetFaceName().c_str(),
                     m_font.GetFamilyString().c_str());
     fontInfo.Printf(wxT("Face name: %s, family: %s"),
                     m_font.GetFaceName().c_str(),
                     m_font.GetFamilyString().c_str());


@@ -1048,7 +1061,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     dc.DrawText(fontInfo, x, y);
     y += hLine;
 
     dc.DrawText(fontInfo, x, y);
     y += hLine;
 

-    if ( m_font.Ok() )
+    if ( m_font.IsOk() )

     {
         const wxNativeFontInfo *info = m_font.GetNativeFontInfo();
         if ( info )
     {
         const wxNativeFontInfo *info = m_font.GetNativeFontInfo();
         if ( info )


@@ -1092,7 +1105,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     }
 
     // draw the lines between them
     }
 
     // draw the lines between them

-    dc.SetPen(wxPen(wxColour(wxT("blue")), 1, wxSOLID));
+    dc.SetPen(*wxBLUE_PEN);

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