X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/75421bf1169db964dd7d5cefd8c182eae5809943..df055cbbdc988141dc9687c98eb3889f332d03c0:/samples/font/font.cpp diff --git a/samples/font/font.cpp b/samples/font/font.cpp index 2577b489a5..b92b86b255 100644 --- a/samples/font/font.cpp +++ b/samples/font/font.cpp @@ -17,20 +17,20 @@ #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 +#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 @@ -54,7 +54,7 @@ class MyCanvas: public wxWindow { public: MyCanvas( wxWindow *parent ); - ~MyCanvas(); + virtual ~MyCanvas(); // accessors for the frame const wxFont& GetTextFont() const { return m_font; } @@ -85,9 +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); @@ -130,6 +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, @@ -148,16 +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) END_EVENT_TABLE() // Create a new application object: this macro will allow wxWindows to create @@ -180,7 +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); @@ -216,25 +242,41 @@ 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); @@ -426,26 +468,62 @@ void MyFrame::OnCheckNativeToFromString(wxCommandEvent& WXUNUSED(event)) if ( fontInfo != font->GetNativeFontInfoDesc() ) wxLogError(wxT("wxNativeFontInfo ToString()/FromString() broken!")); else - wxLogError(wxT("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::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 = 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) @@ -474,6 +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()); + } } } @@ -545,7 +632,7 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) } // ok, now get the corresponding encoding - wxFontEncoding fontenc = wxTheFontMapper->CharsetToEncoding(charset); + wxFontEncoding fontenc = wxFontMapper::Get()->CharsetToEncoding(charset); if ( fontenc == wxFONTENCODING_SYSTEM ) { wxLogError(wxT("Charset '%s' is unsupported."), charset.c_str()); @@ -555,11 +642,11 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event)) m_textctrl->LoadFile(filename); if ( fontenc == wxFONTENCODING_UTF8 || - !wxTheFontMapper->IsEncodingAvailable(fontenc) ) + !wxFontMapper::Get()->IsEncodingAvailable(fontenc) ) { // try to find some similar encoding: wxFontEncoding encAlt; - if ( wxTheFontMapper->GetAltForEncoding(fontenc, &encAlt) ) + if ( wxFontMapper::Get()->GetAltForEncoding(fontenc, &encAlt) ) { wxEncodingConverter conv; @@ -633,44 +720,75 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) 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(wxT("Font size is %d points, family is %s, encoding 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(), + wxFontMapper::Get()-> + 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(m_font); - fontInfo.Printf(wxT("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(wxChar(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 + ); } } @@ -679,17 +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); } }