samples/stc/stctest.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        stctest.cpp
   3 // Purpose:     sample of using wxStyledTextCtrl
   4 // Author:      Robin Dunn
   5 // Modified by:
   6 // Created:     3-Feb-2000
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000 by Total Control Software
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(__APPLE__)
  13     #pragma implementation "stctest.cpp"
  14     #pragma interface "stctest.cpp"
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21     #pragma hdrstop
  22 #endif
  23
  24 // for all others, include the necessary headers (this file is usually all you
  25 // need because it includes almost all "standard" wxWindows headers
  26 #ifndef WX_PRECOMP
  27     #include "wx/wx.h"
  28 #endif
  29
  30 #include <wx/wfstream.h>
  31
  32 #include <wx/stc/stc.h>
  33
  34 //----------------------------------------------------------------------
  35
  36 class MyApp : public wxApp
  37 {
  38 public:
  39     virtual bool OnInit();
  40 };
  41
  42 //----------------------------------------------------------------------
  43 //  Make an editor class
  44
  45 class MySTC : public wxStyledTextCtrl
  46 {
  47 public:
  48     MySTC(wxWindow *parent, wxWindowID id,
  49           const wxPoint& pos = wxDefaultPosition,
  50           const wxSize& size = wxDefaultSize, long style = 0);
  51
  52     void OnKeyPressed(wxKeyEvent& evt);
  53
  54 private:
  55     DECLARE_EVENT_TABLE()
  56 };
  57
  58 BEGIN_EVENT_TABLE(MySTC, wxStyledTextCtrl)
  59     EVT_KEY_DOWN(MySTC::OnKeyPressed)
  60 END_EVENT_TABLE()
  61
  62 //----------------------------------------------------------------------
  63 // Define a new frame type: this is going to be our main frame
  64 class MyFrame : public wxFrame
  65 {
  66 public:
  67     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  68
  69     void OnQuit(wxCommandEvent& event);
  70     void OnAbout(wxCommandEvent& event);
  71
  72 private:
  73     MySTC* ed;
  74
  75     DECLARE_EVENT_TABLE()
  76 };
  77
  78
  79 // IDs for the controls and the menu commands
  80 enum
  81 {
  82     // menu items
  83     ID_Quit = 1,
  84     ID_About,
  85     ID_ED
  86 };
  87
  88 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  89     EVT_MENU            (ID_Quit,  MyFrame::OnQuit)
  90     EVT_MENU            (ID_About, MyFrame::OnAbout)
  91 END_EVENT_TABLE()
  92
  93 IMPLEMENT_APP(MyApp)
  94
  95 //----------------------------------------------------------------------
  96 // `Main program' equivalent: the program execution "starts" here
  97
  98 bool MyApp::OnInit()
  99 {
 100     MyFrame *frame = new MyFrame(_T("Testing wxStyledTextCtrl"),
 101                                  wxPoint(5, 5), wxSize(600, 600));
 102
 103     frame->Show(TRUE);
 104     return TRUE;
 105 }
 106
 107 //----------------------------------------------------------------------
 108
 109 // frame constructor
 110 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 111        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 112 {
 113 #ifdef __WXMAC__
 114     // we need this in order to allow the about menu relocation, since ABOUT is
 115     // not the default id of the about menu
 116     wxApp::s_macAboutMenuItemId = ID_About;
 117 #endif
 118
 119
 120     // create a menu bar
 121     wxMenu *menuFile = new wxMenu(wxEmptyString, wxMENU_TEAROFF);
 122
 123     // the "About" item should be in the help menu
 124     wxMenu *helpMenu = new wxMenu;
 125     helpMenu->Append(ID_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 126
 127     menuFile->Append(ID_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 128
 129     // now append the freshly created menu to the menu bar...
 130     wxMenuBar *menuBar = new wxMenuBar();
 131     menuBar->Append(menuFile, _T("&File"));
 132     menuBar->Append(helpMenu, _T("&Help"));
 133
 134     // ... and attach this menu bar to the frame
 135     SetMenuBar(menuBar);
 136
 137 #if wxUSE_STATUSBAR
 138     CreateStatusBar(2);
 139     SetStatusText(_T("Testing wxStyledTextCtrl"));
 140 #endif // wxUSE_STATUSBAR
 141
 142
 143     //----------------------------------------
 144     // Setup the editor
 145     ed = new MySTC(this, ID_ED);
 146 }
 147
 148
 149 // event handlers
 150
 151 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 152 {
 153     // TRUE is to force the frame to close
 154     Close(TRUE);
 155 }
 156
 157 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 158 {
 159     wxString msg;
 160     msg.Printf( _T("Testing wxStyledTextCtrl...\n"));
 161
 162     wxMessageBox(msg, _T("About This Test"), wxOK | wxICON_INFORMATION, this);
 163 }
 164
 165
 166 //----------------------------------------------------------------------
 167
 168 wxChar* keywords =
 169 _T("asm auto bool break case catch char class const \
 170 const_cast continue default delete do double \
 171 dynamic_cast else enum explicit export extern \
 172 false float for friend goto if inline int long \
 173 mutable namespace new operator private protected \
 174 public register reinterpret_cast return short signed \
 175 sizeof static static_cast struct switch template this \
 176 throw true try typedef typeid typename union unsigned \
 177 using virtual void volatile wchar_t while");
 178
 179
 180
 181 MySTC::MySTC(wxWindow *parent, wxWindowID id,
 182              const wxPoint& pos, const wxSize& size,
 183              long style)
 184     : wxStyledTextCtrl(parent, id, pos, size, style)
 185 {
 186     // Default font
 187     wxFont font(10, wxMODERN, wxNORMAL, wxNORMAL);
 188     StyleSetFont(wxSTC_STYLE_DEFAULT, font);
 189     StyleClearAll();
 190
 191     StyleSetForeground(0,  wxColour(0x80, 0x80, 0x80));
 192     StyleSetForeground(1,  wxColour(0x00, 0x7f, 0x00));
 193     //StyleSetForeground(2,  wxColour(0x00, 0x7f, 0x00));
 194     StyleSetForeground(3,  wxColour(0x7f, 0x7f, 0x7f));
 195     StyleSetForeground(4,  wxColour(0x00, 0x7f, 0x7f));
 196     StyleSetForeground(5,  wxColour(0x00, 0x00, 0x7f));
 197     StyleSetForeground(6,  wxColour(0x7f, 0x00, 0x7f));
 198     StyleSetForeground(7,  wxColour(0x7f, 0x00, 0x7f));
 199     StyleSetForeground(8,  wxColour(0x00, 0x7f, 0x7f));
 200     StyleSetForeground(9,  wxColour(0x7f, 0x7f, 0x7f));
 201     StyleSetForeground(10, wxColour(0x00, 0x00, 0x00));
 202     StyleSetForeground(11, wxColour(0x00, 0x00, 0x00));
 203     StyleSetBold(5,  TRUE);
 204     StyleSetBold(10, TRUE);
 205
 206 #ifdef __WXMSW__
 207     StyleSetSpec(2, _T("fore:#007f00,bold,face:Arial,size:9"));
 208 #else
 209     StyleSetSpec(2, _T("fore:#007f00,bold,face:Helvetica,size:9"));
 210 #endif
 211
 212     // give it some text to play with
 213     wxString st;
 214     wxFileInputStream stream(wxT("stctest.cpp"));
 215     size_t sz = stream.GetSize();
 216     char* buf = new char[sz + 1];
 217     stream.Read((void*) buf, stream.GetSize());
 218     buf[sz] = 0;
 219     st = wxString::FromAscii(buf);
 220     delete[] buf;
 221
 222     InsertText(0, st);
 223     EmptyUndoBuffer();
 224
 225     SetLexer(wxSTC_LEX_CPP);
 226     SetKeyWords(0, keywords);
 227 }
 228
 229 void MySTC::OnKeyPressed(wxKeyEvent& evt)
 230 {
 231     if (CallTipActive())
 232         CallTipCancel();
 233
 234     int key = evt.GetKeyCode();
 235     if ( key == WXK_SPACE && evt.ControlDown()) {
 236         int pos = GetCurrentPos();
 237
 238         if (evt.ShiftDown()) {
 239             // show how to do CallTips
 240             CallTipSetBackground(wxColour(_T("YELLOW")));
 241             CallTipShow(pos, _T("lots of of text: blah, blah, blah\n\n"
 242                                 "show some suff, maybe parameters..\n\n"
 243                                 "fubar(param1, param2)"));
 244         }
 245         else {
 246             // show how to do AutoComplete
 247             AutoCompSetIgnoreCase(false);
 248             AutoCompShow(0, keywords);   // reuse the keyword list here
 249             // normally you would build a string of completion texts...
 250         }
 251     }
 252     else
 253         evt.Skip();
 254 }