X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4693b20c7500190c3cc8c02919c45436bf5efbc9..1b21409b36057d8281675973a7c3a1d77d9c0ddb:/samples/font/font.cpp diff --git a/samples/font/font.cpp b/samples/font/font.cpp index 472ac4a4ab..b46a5d2ffb 100644 --- a/samples/font/font.cpp +++ b/samples/font/font.cpp @@ -10,7 +10,7 @@ ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". -#include +#include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop @@ -19,17 +19,18 @@ // 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 @@ -84,9 +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); @@ -98,8 +104,6 @@ public: void OnCheckNativeToFromString(wxCommandEvent& event); - void OnSize(wxSizeEvent& event); - protected: bool DoEnumerateFamilies(bool fixedWidthOnly, wxFontEncoding encoding = wxFONTENCODING_SYSTEM, @@ -108,8 +112,6 @@ 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 +135,9 @@ enum Font_ViewMsg, Font_IncSize, Font_DecSize, + Font_Bold, + Font_Italic, + Font_Underlined, Font_Choose = 100, Font_EnumFamiliesForEncoding, Font_EnumFamilies, @@ -151,18 +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) - - EVT_SIZE(MyFrame::OnSize) END_EVENT_TABLE() // Create a new application object: this macro will allow wxWindows to create @@ -185,7 +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); @@ -221,36 +229,47 @@ 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); - 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(); @@ -427,32 +446,46 @@ 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::DoChangeFont(const wxFont& font, const wxColour& col) +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) { - Resize(GetClientSize(), font); + wxFont font = m_canvas->GetTextFont(); + font.SetUnderlined(event.IsChecked()); + DoChangeFont(font); +} + +void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col) +{ m_canvas->SetTextFont(font); if ( col.Ok() ) m_canvas->SetColour(col); @@ -477,6 +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()); + } } } @@ -609,35 +651,6 @@ 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 // ---------------------------------------------------------------------------- @@ -662,45 +675,78 @@ 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(wxT("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(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 + ); } } @@ -709,17 +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); } }