// Modified by:
// Created: 30.09.99
// RCS-ID: $Id$
-// Copyright: (c) Vadim Zeitlin
+// Copyright: (c) 1999 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// 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
-// need because it includes almost all <standard< wxWindows headers
+// need because it includes almost all standard wxWidgets headers
#ifndef WX_PRECOMP
- #include <wx/wx.h>
+ #include "wx/wx.h"
- #include <wx/log.h>
+ #include "wx/log.h"
#endif
-#include <wx/fontdlg.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/osx/fontdlg.h"
+#endif
+
+// used as title for several dialog boxes
+static const wxChar SAMPLE_TITLE[] = _T("wxWidgets Font Sample");
// ----------------------------------------------------------------------------
// private classes
{
public:
MyCanvas( wxWindow *parent );
- ~MyCanvas();
+ virtual ~MyCanvas(){};
// accessors for the frame
const wxFont& GetTextFont() const { return m_font; }
// 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 OnCreateFont(wxCommandEvent& event);
+ void OnEnumerateFamiliesForEncoding(wxCommandEvent& event);
+ void OnEnumerateFamilies(wxCommandEvent& WXUNUSED(event))
+ { DoEnumerateFamilies(false); }
+ void OnEnumerateFixedFamilies(wxCommandEvent& WXUNUSED(event))
+ { DoEnumerateFamilies(true); }
+ void OnEnumerateEncodings(wxCommandEvent& event);
+
+ void OnSetNativeDesc(wxCommandEvent& event);
+ void OnSetNativeUserDesc(wxCommandEvent& event);
+ void OnSetFaceName(wxCommandEvent& event);
+ void OnSetEncoding(wxCommandEvent& event);
protected:
- MyCanvas *m_canvas;
+ bool DoEnumerateFamilies(bool fixedWidthOnly,
+ wxFontEncoding encoding = wxFONTENCODING_SYSTEM,
+ bool silent = false);
-private:
- // any class wishing to process wxWindows events must use this macro
- DECLARE_EVENT_TABLE()
-};
+ void DoResizeFont(int diff);
+ void DoChangeFont(const wxFont& font, const wxColour& col = wxNullColour);
-// A custom font dialog which allows to directly edit wxFont proprieties
-class MyFontDialog : public wxDialog
-{
-public:
- MyFontDialog(MyFrame *frame);
+ // ask the user to choose an encoding and return it or
+ // wxFONTENCODING_SYSTEM if the dialog was cancelled
+ wxFontEncoding GetEncodingFromUser();
- // event handlers
- void OnApply(wxCommandEvent& WXUNUSED(event)) { DoApply(); }
-protected:
- void DoApply();
+ size_t m_fontSize; // in points
- MyCanvas *m_canvas;
+ wxTextCtrl *m_textctrl;
+ MyCanvas *m_canvas;
private:
- //DECLARE_EVENT_TABLE() TODO
+ // any class wishing to process wxWidgets events must use this macro
+ DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// 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_Create
+ Font_EnumFamiliesForEncoding,
+ Font_EnumFamilies,
+ Font_EnumFixedFamilies,
+ Font_EnumEncodings,
+ Font_SetNativeDesc,
+ Font_SetNativeUserDesc,
+ Font_SetFaceName,
+ Font_SetEncoding,
+ 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)
+ EVT_MENU(Font_TestTextValue, MyFrame::OnTestTextValue)
+ EVT_MENU(Font_ViewMsg, MyFrame::OnViewMsg)
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_Create, MyFrame::OnCreateFont)
+ EVT_MENU(Font_EnumFamiliesForEncoding, MyFrame::OnEnumerateFamiliesForEncoding)
+ EVT_MENU(Font_EnumFamilies, MyFrame::OnEnumerateFamilies)
+ EVT_MENU(Font_EnumFixedFamilies, MyFrame::OnEnumerateFixedFamilies)
+ EVT_MENU(Font_EnumEncodings, MyFrame::OnEnumerateEncodings)
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
// `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("Minimal wxWindows App",
- 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
- 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
+ // loop and the application will run. If we returned 'false' here, the
// application would exit immediately.
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
- : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+ : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size), m_textctrl(NULL)
{
- // set the frame icon
- SetIcon(wxICON(mondrian));
+ m_fontSize = wxNORMAL_FONT->GetPointSize();
+
+ SetIcon(wxIcon(sample_xpm));
// 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->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;
- menuFont->Append(Font_Choose, "&Select font...\tCtrl-F",
- "Select a standard font");
- menuFont->Append(Font_Create, "&Create font...\tCtrl-C",
- "Create a custom 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->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;
- 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);
- m_canvas = new MyCanvas(this);
+ 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);
+
+ 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(2);
- SetStatusText("Welcome to wxWindows!");
+ CreateStatusBar();
+ SetStatusText(wxT("Welcome to wxWidgets font demo!"));
+#endif // wxUSE_STATUSBAR
+}
+
+// --------------------------------------------------------
+
+class MyEncodingEnumerator : public wxFontEnumerator
+{
+public:
+ MyEncodingEnumerator()
+ { m_n = 0; }
+
+ const wxString& GetText() const
+ { return m_text; }
+
+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;
+ wxString m_text;
+};
+
+void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event))
+{
+ MyEncodingEnumerator fontEnumerator;
+
+ fontEnumerator.EnumerateEncodings();
+
+ wxLogMessage(wxT("Enumerating all available encodings:\n%s"),
+ fontEnumerator.GetText().c_str());
+}
+
+// -------------------------------------------------------------
+
+class MyFontEnumerator : public wxFontEnumerator
+{
+public:
+ bool GotAny() const
+ { return !m_facenames.IsEmpty(); }
+
+ const wxArrayString& GetFacenames() const
+ { return m_facenames; }
+
+protected:
+ virtual bool OnFacename(const wxString& facename)
+ {
+ m_facenames.Add(facename);
+ return true;
+ }
+
+ private:
+ wxArrayString m_facenames;
+} fontEnumerator;
+
+bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly,
+ wxFontEncoding encoding,
+ bool silent)
+{
+ MyFontEnumerator fontEnumerator;
+
+ fontEnumerator.EnumerateFacenames(encoding, fixedWidthOnly);
+
+ if ( fontEnumerator.GotAny() )
+ {
+ int nFacenames = fontEnumerator.GetFacenames().GetCount();
+ if ( !silent )
+ {
+ wxLogStatus(this, wxT("Found %d %sfonts"),
+ nFacenames, fixedWidthOnly ? wxT("fixed width ") : wxT(""));
+ }
+
+ wxString facename;
+
+ if ( silent )
+ {
+ // 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);
+ }
+
+ return true;
+ }
+ else if ( !silent )
+ {
+ wxLogWarning(wxT("No such fonts found."));
+ }
+
+ return false;
+}
+
+void MyFrame::OnEnumerateFamiliesForEncoding(wxCommandEvent& WXUNUSED(event))
+{
+ wxFontEncoding enc = GetEncodingFromUser();
+ if ( enc != wxFONTENCODING_SYSTEM )
+ {
+ 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() )
+ {
+ 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
+ {
+ 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::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))
+{
+ 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);
+}
-// event handlers
+void MyFrame::OnUnderline(wxCommandEvent& event)
+{
+ wxFont font = m_canvas->GetTextFont();
+
+ font.SetUnderlined(event.IsChecked());
+ DoChangeFont(font);
+}
-void MyFrame::OnCreateFont(wxCommandEvent& WXUNUSED(event))
+void MyFrame::OnwxPointerFont(wxCommandEvent& event)
{
- MyFontDialog dialog(this);
+ 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;
+ }
- (void)dialog.ShowModal();
+ DoChangeFont(font);
+}
+
+void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col)
+{
+ m_canvas->SetTextFont(font);
+ if ( col.Ok() )
+ m_canvas->SetColour(col);
+ m_canvas->Refresh();
+
+ 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))
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();
- m_canvas->SetTextFont(retData.GetChosenFont());
- m_canvas->SetColour(retData.GetColour());
- m_canvas->Refresh();
+ wxFont font = retData.GetChosenFont();
+ wxColour colour = retData.GetColour();
+
+ DoChangeFont(font, colour);
}
}
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::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"),
+ s_dir, s_file);
+ if ( dialog.ShowModal() != wxID_OK )
+ return;
+
+ // 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());
+
+ return;
+ }
+
+ // ok, now get the corresponding encoding
+ wxFontEncoding fontenc = wxFontMapper::Get()->CharsetToEncoding(charset);
+ if ( fontenc == wxFONTENCODING_SYSTEM )
+ {
+ wxLogError(wxT("Charset '%s' is unsupported."), charset.c_str());
+ return;
+ }
+
+ m_textctrl->LoadFile(filename);
+
+ 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());
+ }
+
+ // and now create the correct font
+ if ( !DoEnumerateFamilies(false, fontenc, true /* silent */) )
+ {
+ 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
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
- wxMessageBox("wxWindows font demo.", "About Font",
+ wxMessageBox(wxT("wxWidgets font sample\n")
+ wxT("(c) 1999-2006 Vadim Zeitlin"),
+ wxString(wxT("About ")) + SAMPLE_TITLE,
wxOK | wxICON_INFORMATION, this);
}
-
// ----------------------------------------------------------------------------
// MyCanvas
// ----------------------------------------------------------------------------
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)
{
}
PrepareDC(dc);
// set background
- dc.SetBackground(wxBrush("white", wxSOLID));
+ dc.SetBackground(wxBrush(wxT("white"), wxSOLID));
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;
- 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(),
+ 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.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);
- // 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)
+ wxCoord 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 + 5;
// 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++ )
{
- dc.DrawText(char(32*i + j), x + w*j, y + h*i);
+ wxChar c = (wxChar)(32 * (i + 1) + j);
+
+ wxCoord 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
- dc.SetPen(wxPen(wxColour("blue"), 1, wxSOLID));
+ dc.SetPen(wxPen(wxColour(_T("blue")), 1, wxSOLID));
int l;
// horizontal
- y += h;
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;
- dc.DrawLine(xl, y, xl, y + 7*h - 2);
- }
-}
-
-// ----------------------------------------------------------------------------
-// MyFontDialog
-// ----------------------------------------------------------------------------
-
-MyFontDialog::MyFontDialog(MyFrame *frame)
- : wxDialog(frame, -1, wxString("Edit font attributes"))
-{
- m_canvas = frame->GetCanvas();
-
- // create controls
- wxSize sizeBtn = wxButton::GetDefaultSize();
-
- // TODO
-
- // position and size the dialog
- SetClientSize(4*sizeBtn.x, 10*sizeBtn.y);
- Centre();
-}
-
-void MyFontDialog::DoApply()
-{
- wxFont font; //(size, family, style, weight, underlined, face, encoding);
- if ( !font.Ok() )
- {
- wxLogError("Font creation failed.");
- }
- else
- {
- m_canvas->SetTextFont(font);
- m_canvas->Refresh();
+ dc.DrawLine(xl, y - 2, xl, y + 7*h - 1);
}
}
projects / wxWidgets.git / blobdiff