X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ab5fe83396c13f9fbf01630c52adf4df7607cbfe..30827629fa11f6365f69bd2917e1a35d22c35363:/samples/font/font.cpp diff --git a/samples/font/font.cpp b/samples/font/font.cpp index 8b526f403b..aad214f94c 100644 --- a/samples/font/font.cpp +++ b/samples/font/font.cpp @@ -85,9 +85,14 @@ 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 OnViewMsg(wxCommandEvent& event); void OnSelectFont(wxCommandEvent& event); void OnEnumerateFamiliesForEncoding(wxCommandEvent& event); @@ -130,6 +135,9 @@ enum Font_ViewMsg, Font_IncSize, Font_DecSize, + Font_Bold, + Font_Italic, + Font_Underlined, Font_Choose = 100, Font_EnumFamiliesForEncoding, Font_EnumFamilies, @@ -148,16 +156,21 @@ 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_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 +193,7 @@ 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 +229,32 @@ 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"); + 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); @@ -440,6 +460,30 @@ void MyFrame::DoResizeFont(int 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::DoChangeFont(const wxFont& font, const wxColour& col) { m_canvas->SetTextFont(font); @@ -466,6 +510,15 @@ 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()); + } } } @@ -625,43 +678,75 @@ 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(), + 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.GetNativeFontInfoUserDesc(); - 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 + ); } } @@ -670,17 +755,16 @@ 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); } }