X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dda88f5eee7ae13a328f92996847f90caed2e5e9..54946cc95b8493fb092b6a508bf22a1cd6fa4693:/samples/font/font.cpp diff --git a/samples/font/font.cpp b/samples/font/font.cpp index 7948599d42..6c9dff7a50 100644 --- a/samples/font/font.cpp +++ b/samples/font/font.cpp @@ -10,26 +10,27 @@ ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". -#include +#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 + #include "wx/wx.h" - #include + #include "wx/log.h" #endif -#include -#include -#include -#include -#include -#include +#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" // ---------------------------------------------------------------------------- // private classes @@ -53,7 +54,7 @@ class MyCanvas: public wxWindow { public: MyCanvas( wxWindow *parent ); - ~MyCanvas(); + virtual ~MyCanvas(); // accessors for the frame const wxFont& GetTextFont() const { return m_font; } @@ -84,9 +85,16 @@ public: // event handlers (these functions should _not_ be virtual) void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); + void OnIncFont(wxCommandEvent& event) { DoResizeFont(+2); } void OnDecFont(wxCommandEvent& event) { DoResizeFont(-2); } + void OnBold(wxCommandEvent& event); + void OnItalic(wxCommandEvent& event); + void OnUnderline(wxCommandEvent& event); + + void OnwxPointerFont(wxCommandEvent& event); + void OnViewMsg(wxCommandEvent& event); void OnSelectFont(wxCommandEvent& event); void OnEnumerateFamiliesForEncoding(wxCommandEvent& event); @@ -98,8 +106,6 @@ public: void OnCheckNativeToFromString(wxCommandEvent& event); - void OnSize(wxSizeEvent& event); - protected: bool DoEnumerateFamilies(bool fixedWidthOnly, wxFontEncoding encoding = wxFONTENCODING_SYSTEM, @@ -108,8 +114,6 @@ protected: void DoResizeFont(int diff); void DoChangeFont(const wxFont& font, const wxColour& col = wxNullColour); - void Resize(const wxSize& size, const wxFont& font = wxNullFont); - size_t m_fontSize; // in points wxTextCtrl *m_textctrl; @@ -133,6 +137,14 @@ enum Font_ViewMsg, Font_IncSize, Font_DecSize, + Font_Bold, + Font_Italic, + Font_Underlined, + Font_wxNORMAL_FONT, + Font_wxSMALL_FONT, + Font_wxITALIC_FONT, + Font_wxSWISS_FONT, + Font_Choose = 100, Font_EnumFamiliesForEncoding, Font_EnumFamilies, @@ -151,18 +163,27 @@ 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_ViewMsg, MyFrame::OnViewMsg) EVT_MENU(Font_About, MyFrame::OnAbout) + EVT_MENU(Font_IncSize, MyFrame::OnIncFont) EVT_MENU(Font_DecSize, MyFrame::OnDecFont) - EVT_MENU(Font_ViewMsg, MyFrame::OnViewMsg) + EVT_MENU(Font_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_CheckNativeToFromString, MyFrame::OnCheckNativeToFromString) + EVT_MENU(Font_Choose, MyFrame::OnSelectFont) EVT_MENU(Font_EnumFamiliesForEncoding, MyFrame::OnEnumerateFamiliesForEncoding) EVT_MENU(Font_EnumFamilies, MyFrame::OnEnumerateFamilies) EVT_MENU(Font_EnumFixedFamilies, MyFrame::OnEnumerateFixedFamilies) EVT_MENU(Font_EnumEncodings, MyFrame::OnEnumerateEncodings) - EVT_MENU(Font_CheckNativeToFromString, MyFrame::OnCheckNativeToFromString) - - EVT_SIZE(MyFrame::OnSize) END_EVENT_TABLE() // Create a new application object: this macro will allow wxWindows to create @@ -185,7 +206,7 @@ bool MyApp::OnInit() { // Create the main application window MyFrame *frame = new MyFrame("Font wxWindows demo", - wxPoint(50, 50), wxSize(450, 340)); + wxPoint(50, 50), wxSize(600, 400)); // Show it and tell the application that it's our main window frame->Show(TRUE); @@ -221,36 +242,56 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) menuFont->Append(Font_IncSize, "&Increase font size by 2 points\tCtrl-I"); menuFont->Append(Font_DecSize, "&Decrease font size by 2 points\tCtrl-D"); menuFont->AppendSeparator(); - menuFont->Append(Font_Choose, "&Select font...\tCtrl-S", - "Select a standard font"); + menuFont->Append(Font_Bold, "&Bold\tCtrl-B", "Toggle bold state", TRUE); + menuFont->Append(Font_Italic, "&Oblique\tCtrl-O", "Toggle italic state", TRUE); + menuFont->Append(Font_Underlined, "&Underlined\tCtrl-U", + "Toggle underlined state", TRUE); + menuFont->AppendSeparator(); - menuFont->Append(Font_EnumFamilies, "Enumerate font &families\tCtrl-F"); - menuFont->Append(Font_EnumFixedFamilies, + menuFont->Append(Font_CheckNativeToFromString, + "Check Native Font Info To/From String"); + + wxMenu *menuSelect = new wxMenu; + menuSelect->Append(Font_Choose, "&Select font...\tCtrl-S", + "Select a standard font"); + + wxMenu *menuStdFonts = new wxMenu; + menuStdFonts->Append(Font_wxNORMAL_FONT, "wxNORMAL_FONT", "Normal font used by wxWindows"); + menuStdFonts->Append(Font_wxSMALL_FONT, "wxSMALL_FONT", "Small font used by wxWindows"); + menuStdFonts->Append(Font_wxITALIC_FONT, "wxITALIC_FONT", "Italic font used by wxWindows"); + menuStdFonts->Append(Font_wxSWISS_FONT, "wxSWISS_FONT", "Swiss font used by wxWindows"); + menuSelect->Append(-2, "Standar&d fonts", menuStdFonts); + + menuSelect->AppendSeparator(); + menuSelect->Append(Font_EnumFamilies, "Enumerate font &families\tCtrl-F"); + menuSelect->Append(Font_EnumFixedFamilies, "Enumerate fi&xed font families\tCtrl-X"); - menuFont->Append(Font_EnumEncodings, + menuSelect->Append(Font_EnumEncodings, "Enumerate &encodings\tCtrl-E"); - menuFont->Append(Font_EnumFamiliesForEncoding, + menuSelect->Append(Font_EnumFamiliesForEncoding, "Find font for en&coding...\tCtrl-C", "Find font families for given encoding"); - menuFont->AppendSeparator(); - menuFont->Append(Font_CheckNativeToFromString, - "Check Native Font Info To/From String"); // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar; menuBar->Append(menuFile, "&File"); menuBar->Append(menuFont, "F&ont"); + menuBar->Append(menuSelect, "&Select"); // ... and attach this menu bar to the frame SetMenuBar(menuBar); - m_textctrl = new wxTextCtrl(this, -1, + wxSplitterWindow *splitter = new wxSplitterWindow(this); + + m_textctrl = new wxTextCtrl(splitter, -1, "Paste text here to see how it looks\n" "like in the given font", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); - m_canvas = new MyCanvas(this); + m_canvas = new MyCanvas(splitter); + + splitter->SplitHorizontally(m_textctrl, m_canvas, 100); // create a status bar just for fun (by default with 1 pane only) CreateStatusBar(); @@ -262,10 +303,10 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) class MyEncodingEnumerator : public wxFontEnumerator { public: - MyEncodingEnumerator() + MyEncodingEnumerator() { m_n = 0; } - const wxString& GetText() const + const wxString& GetText() const { return m_text; } protected: @@ -273,7 +314,7 @@ protected: const wxString& encoding) { wxString text; - text.Printf("Encoding %d: %s (available in facename '%s')\n", + text.Printf(wxT("Encoding %d: %s (available in facename '%s')\n"), ++m_n, encoding.c_str(), facename.c_str()); m_text += text; return TRUE; @@ -290,7 +331,7 @@ void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event)) fontEnumerator.EnumerateEncodings(); - wxLogMessage("Enumerating all available encodings:\n%s", + wxLogMessage(wxT("Enumerating all available encodings:\n%s"), fontEnumerator.GetText().c_str()); } @@ -299,10 +340,10 @@ void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event)) class MyFontEnumerator : public wxFontEnumerator { public: - bool GotAny() const + bool GotAny() const { return !m_facenames.IsEmpty(); } - const wxArrayString& GetFacenames() const + const wxArrayString& GetFacenames() const { return m_facenames; } protected: @@ -329,8 +370,8 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, int nFacenames = fontEnumerator.GetFacenames().GetCount(); if ( !silent ) { - wxLogStatus(this, "Found %d %sfonts", - nFacenames, fixedWidthOnly ? "fixed width " : ""); + wxLogStatus(this, wxT("Found %d %sfonts"), + nFacenames, fixedWidthOnly ? wxT("fixed width ") : wxT("")); } wxString facename; @@ -368,7 +409,7 @@ bool MyFrame::DoEnumerateFamilies(bool fixedWidthOnly, } else if ( !silent ) { - wxLogWarning("No such fonts found."); + wxLogWarning(wxT("No such fonts found.")); } return FALSE; @@ -391,15 +432,15 @@ void MyFrame::OnEnumerateFamiliesForEncoding(wxCommandEvent& WXUNUSED(event)) static const wxString encodingNames[] = { - "West European (Latin 1)", - "Central European (Latin 2)", - "Cyrillic (Latin 5)", - "Greek (Latin 7)", - "West European new (Latin 0)", + "Western European (ISO-8859-1)", + "Central European (ISO-8859-2)", + "Cyrillic (ISO-8859-5)", + "Greek (ISO-8859-7)", + "Western European with Euro (ISO-8859-15)", "KOI8-R", - "Windows Latin 2", - "Windows Cyrillic", - "Windows Latin 1", + "Windows Central European (CP 1250)", + "Windows Cyrillic (CP 1251)", + "Windows Western European (CP 1252)", }; int n = wxGetSingleChoiceIndex("Choose an encoding", "Font demo", @@ -419,40 +460,74 @@ void MyFrame::OnCheckNativeToFromString(wxCommandEvent& WXUNUSED(event)) if ( fontInfo.IsEmpty() ) { - wxLogError("Native font info string is empty!"); + wxLogError(wxT("Native font info string is empty!")); } else { wxFont *font = wxFont::New(fontInfo); if ( fontInfo != font->GetNativeFontInfoDesc() ) - wxLogError("wxNativeFontInfo ToString()/FromString() broken!"); + wxLogError(wxT("wxNativeFontInfo ToString()/FromString() broken!")); else - wxLogError("wxNativeFontInfo works: %s", fontInfo.c_str()); + wxLogMessage(wxT("wxNativeFontInfo works: %s"), fontInfo.c_str()); + delete font; } } void MyFrame::DoResizeFont(int diff) { - wxFont fontOld = m_canvas->GetTextFont(); - - DoChangeFont( - wxFont( - fontOld.GetPointSize() + diff, - fontOld.GetFamily(), - fontOld.GetStyle(), - fontOld.GetWeight(), - fontOld.GetUnderlined(), - fontOld.GetFaceName(), - fontOld.GetEncoding() - ) - ); + 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::DoChangeFont(const wxFont& font, const wxColour& col) +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) { - Resize(GetClientSize(), font); + wxFont font; + + 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; + } + + GetMenuBar()->Check(Font_Bold, FALSE); + GetMenuBar()->Check(Font_Italic, FALSE); + GetMenuBar()->Check(Font_Underlined, FALSE); + DoChangeFont(font); +} + +void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col) +{ m_canvas->SetTextFont(font); if ( col.Ok() ) m_canvas->SetColour(col); @@ -477,6 +552,15 @@ void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event)) wxColour colour = retData.GetColour(); DoChangeFont(font, colour); + + // 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()); + } } } @@ -526,7 +610,7 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) if ( line.Left(len) == prefix ) { // found! - const char *pc = line.c_str() + len; + const wxChar *pc = line.c_str() + len; if ( *pc == '"' ) pc++; @@ -541,7 +625,7 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) if ( !charset ) { - wxLogError("The file '%s' doesn't contain charset information.", + wxLogError(wxT("The file '%s' doesn't contain charset information."), filename.c_str()); return; @@ -551,20 +635,21 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) wxFontEncoding fontenc = wxTheFontMapper->CharsetToEncoding(charset); if ( fontenc == wxFONTENCODING_SYSTEM ) { - wxLogError("Charset '%s' is unsupported.", charset.c_str()); + wxLogError(wxT("Charset '%s' is unsupported."), charset.c_str()); return; } m_textctrl->LoadFile(filename); - if (!wxTheFontMapper->IsEncodingAvailable(fontenc)) + if ( fontenc == wxFONTENCODING_UTF8 || + !wxTheFontMapper->IsEncodingAvailable(fontenc) ) { // try to find some similar encoding: wxFontEncoding encAlt; if ( wxTheFontMapper->GetAltForEncoding(fontenc, &encAlt) ) { wxEncodingConverter conv; - + if (conv.Init(fontenc, encAlt)) { fontenc = encAlt; @@ -572,13 +657,13 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) } else { - wxLogWarning("Cannot convert from '%s' to '%s'.", + wxLogWarning(wxT("Cannot convert from '%s' to '%s'."), wxFontMapper::GetEncodingDescription(fontenc).c_str(), wxFontMapper::GetEncodingDescription(encAlt).c_str()); } } else - wxLogWarning("No fonts for encoding '%s' on this system.", + wxLogWarning(wxT("No fonts for encoding '%s' on this system."), wxFontMapper::GetEncodingDescription(fontenc).c_str()); } @@ -594,7 +679,7 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) } else { - wxLogWarning("No fonts for encoding '%s' on this system.", + wxLogWarning(wxT("No fonts for encoding '%s' on this system."), wxFontMapper::GetEncodingDescription(fontenc).c_str()); } } @@ -608,35 +693,6 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) wxOK | wxICON_INFORMATION, this); } -void MyFrame::OnSize(wxSizeEvent& event) -{ - Resize(GetClientSize()); - - event.Skip(); -} - -void MyFrame::Resize(const wxSize& size, const wxFont& font) -{ - if ( !m_textctrl ) - return; - - wxCoord h; - if ( font.Ok() ) - { - wxClientDC dc(this); - dc.SetFont(font); - - h = 10*(dc.GetCharHeight() + 1); - } - else - { - h = m_textctrl->GetSize().y; - } - - m_textctrl->SetSize(0, 0, size.x, h); - m_canvas->SetSize(0, h, size.x, size.y - h); -} - // ---------------------------------------------------------------------------- // MyCanvas // ---------------------------------------------------------------------------- @@ -661,45 +717,78 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) 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 size is %d points, 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(), + wxTheFontMapper-> + 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, 5, 5); + dc.DrawText(fontInfo, x, y); + y += hLine; if ( m_font.Ok() ) { - wxString fontDesc = m_font.GetNativeFontInfoDesc(); - dc.SetFont(wxFont(fontDesc)); - fontInfo.Printf("Native font info: %s", fontDesc.c_str()); - dc.DrawText(fontInfo, 5, 5 + dc.GetCharHeight()); + wxNativeFontInfo *info = m_font.GetNativeFontInfo(); + if ( info ) + { + delete info; + + wxString fontDesc = m_font.GetNativeFontInfoUserDesc(); + fontInfo.Printf(wxT("Native font info: %s"), fontDesc.c_str()); + + dc.DrawText(fontInfo, x, y); + y += hLine; + } } + 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) + 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 - 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 = 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 + ); } } @@ -708,17 +797,16 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) 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); + dc.DrawLine(xl, y - 2, xl, y + 7*h - 1); } }