samples/scroll/scroll.cpp

   1 /*
   2  * Program: scroll
   3  *
   4  * Author: Robert Roebling
   5  *
   6  * Copyright: (C) 1998, Robert Roebling
   7  *
   8  */
   9
  10 // For compilers that support precompilation, includes "wx/wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14 #pragma hdrstop
  15 #endif
  16
  17 #ifndef WX_PRECOMP
  18 #include "wx/wx.h"
  19 #endif
  20
  21 #include "wx/image.h"
  22 #include "wx/listctrl.h"
  23 #include "wx/sizer.h"
  24 #include "wx/log.h"
  25
  26
  27 // derived classes
  28
  29 class MyFrame;
  30 class MyApp;
  31
  32 // MyCanvas
  33
  34 class MyCanvas: public wxScrolledWindow
  35 {
  36 public:
  37     MyCanvas() {};
  38     MyCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size );
  39     ~MyCanvas();
  40     void OnPaint( wxPaintEvent &event );
  41     void OnQueryPosition( wxCommandEvent &event );
  42     void OnAddButton( wxCommandEvent &event );
  43     void OnDeleteButton( wxCommandEvent &event );
  44     void OnMoveButton( wxCommandEvent &event );
  45     void OnScrollWin( wxCommandEvent &event );
  46
  47     wxButton *m_button;
  48
  49     DECLARE_DYNAMIC_CLASS(MyCanvas)
  50     DECLARE_EVENT_TABLE()
  51 };
  52
  53 // MyFrame
  54
  55 class MyFrame: public wxFrame
  56 {
  57 public:
  58     MyFrame();
  59
  60     void OnAbout( wxCommandEvent &event );
  61     void OnQuit( wxCommandEvent &event );
  62
  63     MyCanvas         *m_canvas;
  64     wxTextCtrl       *m_log;
  65
  66     DECLARE_DYNAMIC_CLASS(MyFrame)
  67     DECLARE_EVENT_TABLE()
  68 };
  69
  70 // MyApp
  71
  72 class MyApp: public wxApp
  73 {
  74 public:
  75     virtual bool OnInit();
  76 };
  77
  78 // main program
  79
  80 IMPLEMENT_APP(MyApp)
  81
  82 // ids
  83
  84 #define   ID_ADDBUTTON    1
  85 #define   ID_DELBUTTON    2
  86 #define   ID_MOVEBUTTON   3
  87 #define   ID_SCROLLWIN    4
  88 #define   ID_QUERYPOS     5
  89
  90 #define   ID_NEWBUTTON    10
  91
  92 // MyCanvas
  93
  94 IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
  95
  96 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
  97   EVT_PAINT(                  MyCanvas::OnPaint)
  98   EVT_BUTTON( ID_QUERYPOS,    MyCanvas::OnQueryPosition)
  99   EVT_BUTTON( ID_ADDBUTTON,   MyCanvas::OnAddButton)
 100   EVT_BUTTON( ID_DELBUTTON,   MyCanvas::OnDeleteButton)
 101   EVT_BUTTON( ID_MOVEBUTTON,  MyCanvas::OnMoveButton)
 102   EVT_BUTTON( ID_SCROLLWIN,   MyCanvas::OnScrollWin)
 103 END_EVENT_TABLE()
 104
 105 MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 106                     const wxPoint &pos, const wxSize &size )
 107         : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER | wxTAB_TRAVERSAL, "test canvas" )
 108 {
 109     (void) new wxButton( this, ID_ADDBUTTON, "add button", wxPoint(10,10) );
 110     (void) new wxButton( this, ID_DELBUTTON, "del button", wxPoint(10,40) );
 111     (void) new wxButton( this, ID_MOVEBUTTON, "move button", wxPoint(150,10) );
 112     (void) new wxButton( this, ID_SCROLLWIN, "scroll win", wxPoint(250,10) );
 113
 114     wxString choices[] =
 115     {
 116         "This",
 117         "is one of my",
 118         "really",
 119         "wonderful",
 120         "examples."
 121     };
 122
 123     m_button = new wxButton( this, ID_QUERYPOS, "Query position", wxPoint(10,110) );
 124
 125     (void) new wxTextCtrl( this, -1, "wxTextCtrl", wxPoint(10,150) );
 126
 127     (void) new wxRadioButton( this, -1, "Disable", wxPoint(10,190) );
 128
 129     (void) new wxComboBox( this, -1, "This", wxPoint(10,230), wxDefaultSize, 5, choices );
 130
 131     (void) new wxRadioBox( this, -1, "This", wxPoint(10,310), wxDefaultSize, 5, choices, 2, wxRA_SPECIFY_COLS );
 132
 133     (void) new wxRadioBox( this, -1, "This", wxPoint(10,440), wxDefaultSize, 5, choices, 2, wxRA_SPECIFY_ROWS );
 134
 135     wxListCtrl *m_listCtrl = new wxListCtrl(
 136         this, -1, wxPoint(200, 110), wxSize(180, 120),
 137         wxLC_REPORT | wxSIMPLE_BORDER | wxLC_SINGLE_SEL );
 138
 139     m_listCtrl->InsertColumn(0, "First", wxLIST_FORMAT_LEFT, 90);
 140     m_listCtrl->InsertColumn(1, "Last", wxLIST_FORMAT_LEFT, 90);
 141
 142     for ( int i=0; i < 30; i++)
 143     {
 144         char buf[20];
 145         sprintf(buf, "Item %d", i);
 146         m_listCtrl->InsertItem(i, buf);
 147     }
 148     m_listCtrl->SetItemState( 3, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED );
 149
 150     (void) new wxListBox( this, -1, wxPoint(260,280), wxSize(120,120), 5, choices, wxLB_ALWAYS_SB );
 151
 152     wxWindow *test = new wxWindow( this, -1, wxPoint(10, 530), wxSize(130,120), wxSIMPLE_BORDER | wxTAB_TRAVERSAL );
 153     test->SetBackgroundColour( "WHEAT" );
 154     wxButton *test2 = new wxButton( test, -1, "Hallo", wxPoint(10,10) );
 155
 156     test = new wxWindow( this, -1, wxPoint(160, 530), wxSize(130,120), wxSUNKEN_BORDER | wxTAB_TRAVERSAL );
 157     test->SetBackgroundColour( "WHEAT" );
 158     test->SetCursor( wxCursor( wxCURSOR_NO_ENTRY ) );
 159     test2 = new wxButton( test, -1, "Hallo", wxPoint(10,10) );
 160     test2->SetCursor( wxCursor( wxCURSOR_PENCIL ) );
 161
 162     test = new wxWindow( this, -1, wxPoint(310, 530), wxSize(130,120), wxRAISED_BORDER | wxTAB_TRAVERSAL );
 163     test->SetBackgroundColour( "WHEAT" );
 164     test->SetCursor( wxCursor( wxCURSOR_PENCIL ) );
 165     test2 = new wxButton( test, -1, "Hallo", wxPoint(10,10) );
 166     test2->SetCursor( wxCursor( wxCURSOR_NO_ENTRY ) );
 167
 168     SetBackgroundColour( "WHEAT" );
 169
 170     SetCursor( wxCursor( wxCURSOR_IBEAM ) );
 171 }
 172
 173 MyCanvas::~MyCanvas()
 174 {
 175 }
 176
 177 void MyCanvas::OnQueryPosition( wxCommandEvent &WXUNUSED(event) )
 178 {
 179     wxPoint pt( m_button->GetPosition() );
 180     wxLogMessage( """wxButton"" position %d %d", pt.x, pt.y );
 181     if ((pt.x == 10) && (pt.y == 110))
 182         wxLogMessage( "-> Correct." );
 183     else
 184         wxLogMessage( "-> Incorrect." );
 185 }
 186
 187 void MyCanvas::OnAddButton( wxCommandEvent &WXUNUSED(event) )
 188 {
 189     wxLogMessage( "Inserting button at position 10,70..." );
 190     (void) new wxButton( this, ID_NEWBUTTON, "new button", wxPoint(10,70), wxSize(80,25) );
 191 }
 192
 193 void MyCanvas::OnDeleteButton( wxCommandEvent &event )
 194 {
 195     wxLogMessage( "Deleting button inserted with ""Add button""..." );
 196     wxWindow *win = FindWindow( ID_NEWBUTTON );
 197     if (win)
 198        win->Destroy();
 199     else
 200        wxLogMessage( "-> No window with id = ID_NEWBUTTON found." );
 201 }
 202
 203 void MyCanvas::OnMoveButton( wxCommandEvent &event )
 204 {
 205     wxLogMessage( "Moving button 10 pixels downward.." );
 206     wxWindow *win = FindWindow( event.GetId() );
 207     win->Move( -1, win->GetPosition().y + 10 );
 208 }
 209
 210 void MyCanvas::OnScrollWin( wxCommandEvent &WXUNUSED(event) )
 211 {
 212     wxLogMessage( "Scrolling 2 units up.\nThe white square and the controls should move equally!" );
 213     int x,y;
 214     ViewStart( &x, &y );
 215     Scroll( -1, y+2 );
 216 }
 217
 218 void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 219 {
 220     wxPaintDC dc( this );
 221     PrepareDC( dc );
 222
 223     dc.DrawText( "Some text", 140, 140 );
 224
 225     dc.DrawRectangle( 10, 70, 80, 25 );
 226
 227     dc.DrawRectangle( 100, 160, 200, 200 );
 228 }
 229
 230 // MyFrame
 231
 232 const int ID_QUIT  = 108;
 233 const int ID_ABOUT = 109;
 234
 235 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 236
 237 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 238   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
 239   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 240 END_EVENT_TABLE()
 241
 242 MyFrame::MyFrame()
 243        : wxFrame( (wxFrame *)NULL, -1, "wxScrolledWindow sample",
 244                   wxPoint(20,20), wxSize(470,500) )
 245 {
 246     wxMenu *file_menu = new wxMenu();
 247     file_menu->Append( ID_ABOUT, "&About..");
 248     file_menu->Append( ID_QUIT, "E&xit\tAlt-X");
 249
 250     wxMenuBar *menu_bar = new wxMenuBar();
 251     menu_bar->Append(file_menu, "&File");
 252
 253     SetMenuBar( menu_bar );
 254
 255     CreateStatusBar(2);
 256     int widths[] = { -1, 100 };
 257     SetStatusWidths( 2, widths );
 258
 259     m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(100,100) );
 260     m_canvas->SetScrollbars( 10, 10, 50, 100 );
 261
 262     m_log = new wxTextCtrl( this, -1, "This is the log window.\n", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 263     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 264     delete old_log;
 265
 266     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 267
 268     topsizer->Add( m_canvas, 1, wxEXPAND );
 269     topsizer->Add( m_log, 0, wxEXPAND );
 270
 271     SetAutoLayout( TRUE );
 272     SetSizer( topsizer );
 273 }
 274
 275 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 276 {
 277   Close( TRUE );
 278 }
 279
 280 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 281 {
 282   (void)wxMessageBox( "wxScroll demo\n"
 283                       "Robert Roebling (c) 1998",
 284                       "About wxScroll Demo", wxICON_INFORMATION | wxOK );
 285 }
 286
 287 //-----------------------------------------------------------------------------
 288 // MyApp
 289 //-----------------------------------------------------------------------------
 290
 291 bool MyApp::OnInit()
 292 {
 293   wxFrame *frame = new MyFrame();
 294   frame->Show( TRUE );
 295
 296   return TRUE;
 297 }
 298