/* * Program: scroll * * Author: Robert Roebling * * Copyright: (C) 1998, Robert Roebling * */ // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/wx.h" #endif #include "wx/image.h" #include "wx/listctrl.h" #include "wx/sizer.h" #include "wx/log.h" // derived classes class MyFrame; class MyApp; // MyCanvas class MyCanvas: public wxScrolledWindow { public: MyCanvas() {}; MyCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size ); ~MyCanvas(); void OnPaint( wxPaintEvent &event ); void OnQueryPosition( wxCommandEvent &event ); void OnAddButton( wxCommandEvent &event ); void OnDeleteButton( wxCommandEvent &event ); void OnMoveButton( wxCommandEvent &event ); void OnScrollWin( wxCommandEvent &event ); void OnMouseDown( wxMouseEvent &event ); wxButton *m_button; DECLARE_DYNAMIC_CLASS(MyCanvas) DECLARE_EVENT_TABLE() }; // MyFrame class MyFrame: public wxFrame { public: MyFrame(); void OnAbout( wxCommandEvent &event ); void OnQuit( wxCommandEvent &event ); MyCanvas *m_canvas; wxTextCtrl *m_log; DECLARE_DYNAMIC_CLASS(MyFrame) DECLARE_EVENT_TABLE() }; // MyApp class MyApp: public wxApp { public: virtual bool OnInit(); }; // main program IMPLEMENT_APP(MyApp) // ids #define ID_ADDBUTTON 1 #define ID_DELBUTTON 2 #define ID_MOVEBUTTON 3 #define ID_SCROLLWIN 4 #define ID_QUERYPOS 5 #define ID_NEWBUTTON 10 // MyCanvas IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow) BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) EVT_PAINT( MyCanvas::OnPaint) EVT_MOUSE_EVENTS( MyCanvas::OnMouseDown) EVT_BUTTON( ID_QUERYPOS, MyCanvas::OnQueryPosition) EVT_BUTTON( ID_ADDBUTTON, MyCanvas::OnAddButton) EVT_BUTTON( ID_DELBUTTON, MyCanvas::OnDeleteButton) EVT_BUTTON( ID_MOVEBUTTON, MyCanvas::OnMoveButton) EVT_BUTTON( ID_SCROLLWIN, MyCanvas::OnScrollWin) END_EVENT_TABLE() MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size ) : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER | wxTAB_TRAVERSAL, "test canvas" ) { (void) new wxButton( this, ID_ADDBUTTON, "add button", wxPoint(10,10) ); (void) new wxButton( this, ID_DELBUTTON, "del button", wxPoint(10,40) ); (void) new wxButton( this, ID_MOVEBUTTON, "move button", wxPoint(150,10) ); (void) new wxButton( this, ID_SCROLLWIN, "scroll win", wxPoint(250,10) ); wxString choices[] = { "This", "is one of my", "really", "wonderful", "examples." }; m_button = new wxButton( this, ID_QUERYPOS, "Query position", wxPoint(10,110) ); (void) new wxTextCtrl( this, -1, "wxTextCtrl", wxPoint(10,150), wxSize(80,-1) ); (void) new wxRadioButton( this, -1, "Disable", wxPoint(10,190) ); (void) new wxComboBox( this, -1, "This", wxPoint(10,230), wxDefaultSize, 5, choices ); (void) new wxRadioBox( this, -1, "This", wxPoint(10,310), wxDefaultSize, 5, choices, 2, wxRA_SPECIFY_COLS ); (void) new wxRadioBox( this, -1, "This", wxPoint(10,440), wxDefaultSize, 5, choices, 2, wxRA_SPECIFY_ROWS ); wxListCtrl *m_listCtrl = new wxListCtrl( this, -1, wxPoint(200, 110), wxSize(180, 120), wxLC_REPORT | wxSIMPLE_BORDER | wxLC_SINGLE_SEL ); m_listCtrl->InsertColumn(0, "First", wxLIST_FORMAT_LEFT, 90); m_listCtrl->InsertColumn(1, "Last", wxLIST_FORMAT_LEFT, 90); for ( int i=0; i < 30; i++) { char buf[20]; sprintf(buf, "Item %d", i); m_listCtrl->InsertItem(i, buf); } m_listCtrl->SetItemState( 3, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED ); (void) new wxListBox( this, -1, wxPoint(260,280), wxSize(120,120), 5, choices, wxLB_ALWAYS_SB ); wxWindow *test = new wxWindow( this, -1, wxPoint(10, 530), wxSize(130,120), wxSIMPLE_BORDER | wxTAB_TRAVERSAL ); test->SetBackgroundColour( "WHEAT" ); wxButton *test2 = new wxButton( test, -1, "Hallo", wxPoint(10,10) ); test = new wxWindow( this, -1, wxPoint(160, 530), wxSize(130,120), wxSUNKEN_BORDER | wxTAB_TRAVERSAL ); test->SetBackgroundColour( "WHEAT" ); test->SetCursor( wxCursor( wxCURSOR_NO_ENTRY ) ); test2 = new wxButton( test, -1, "Hallo", wxPoint(10,10) ); test2->SetCursor( wxCursor( wxCURSOR_PENCIL ) ); test = new wxWindow( this, -1, wxPoint(310, 530), wxSize(130,120), wxRAISED_BORDER | wxTAB_TRAVERSAL ); test->SetBackgroundColour( "WHEAT" ); test->SetCursor( wxCursor( wxCURSOR_PENCIL ) ); test2 = new wxButton( test, -1, "Hallo", wxPoint(10,10) ); test2->SetCursor( wxCursor( wxCURSOR_NO_ENTRY ) ); SetBackgroundColour( "WHEAT" ); SetCursor( wxCursor( wxCURSOR_IBEAM ) ); } MyCanvas::~MyCanvas() { } void MyCanvas::OnMouseDown( wxMouseEvent &event ) { if (event.LeftDown()) { wxPoint pt( event.GetPosition() ); int x,y; CalcUnscrolledPosition( pt.x, pt.y, &x, &y ); wxLogMessage( "Mouse down event at: %d %d, scrolled: %d %d", pt.x, pt.y, x, y ); } if (event.LeftIsDown() && event.LeftDown()) { wxLogMessage( "Error: both LeftDown() and LeftIsDown() are TRUE!" ); } } void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) { wxPaintDC dc( this ); PrepareDC( dc ); dc.DrawText( "Press mouse button to test calculations!", 160, 50 ); dc.DrawText( "Some text", 140, 140 ); dc.DrawRectangle( 100, 160, 200, 200 ); } void MyCanvas::OnQueryPosition( wxCommandEvent &WXUNUSED(event) ) { wxPoint pt( m_button->GetPosition() ); wxLogMessage( "Position of ""Query position"" is %d %d", pt.x, pt.y ); pt = ClientToScreen( pt ); wxLogMessage( "Position of ""Query position"" on screen is %d %d", pt.x, pt.y ); } void MyCanvas::OnAddButton( wxCommandEvent &WXUNUSED(event) ) { wxLogMessage( "Inserting button at position 10,70..." ); wxButton *button = new wxButton( this, ID_NEWBUTTON, "new button", wxPoint(10,70), wxSize(80,25) ); wxPoint pt( button->GetPosition() ); wxLogMessage( "-> Position after inserting %d %d", pt.x, pt.y ); } void MyCanvas::OnDeleteButton( wxCommandEvent &event ) { wxLogMessage( "Deleting button inserted with ""Add button""..." ); wxWindow *win = FindWindow( ID_NEWBUTTON ); if (win) win->Destroy(); else wxLogMessage( "-> No window with id = ID_NEWBUTTON found." ); } void MyCanvas::OnMoveButton( wxCommandEvent &event ) { wxLogMessage( "Moving button 10 pixels downward.." ); wxWindow *win = FindWindow( event.GetId() ); wxPoint pt( win->GetPosition() ); wxLogMessage( "-> Position before move is %d %d", pt.x, pt.y ); win->Move( -1, pt.y + 10 ); pt = win->GetPosition(); wxLogMessage( "-> Position after move is %d %d", pt.x, pt.y ); } void MyCanvas::OnScrollWin( wxCommandEvent &WXUNUSED(event) ) { wxLogMessage( "Scrolling 2 units up.\nThe white square and the controls should move equally!" ); int x,y; ViewStart( &x, &y ); Scroll( -1, y+2 ); } // MyFrame const int ID_QUIT = 108; const int ID_ABOUT = 109; IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame ) BEGIN_EVENT_TABLE(MyFrame,wxFrame) EVT_MENU (ID_ABOUT, MyFrame::OnAbout) EVT_MENU (ID_QUIT, MyFrame::OnQuit) END_EVENT_TABLE() MyFrame::MyFrame() : wxFrame( (wxFrame *)NULL, -1, "wxScrolledWindow sample", wxPoint(20,20), wxSize(470,500) ) { wxMenu *file_menu = new wxMenu(); file_menu->Append( ID_ABOUT, "&About.."); file_menu->Append( ID_QUIT, "E&xit\tAlt-X"); wxMenuBar *menu_bar = new wxMenuBar(); menu_bar->Append(file_menu, "&File"); SetMenuBar( menu_bar ); CreateStatusBar(2); int widths[] = { -1, 100 }; SetStatusWidths( 2, widths ); m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(100,100) ); m_canvas->SetScrollbars( 10, 10, 50, 100 ); m_log = new wxTextCtrl( this, -1, "This is the log window.\n", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE ); wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) ); delete old_log; wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL ); topsizer->Add( m_canvas, 1, wxEXPAND ); topsizer->Add( m_log, 0, wxEXPAND ); SetAutoLayout( TRUE ); SetSizer( topsizer ); } void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) ) { Close( TRUE ); } void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) ) { (void)wxMessageBox( "wxScroll demo\n" "Robert Roebling (c) 1998", "About wxScroll Demo", wxICON_INFORMATION | wxOK ); } //----------------------------------------------------------------------------- // MyApp //----------------------------------------------------------------------------- bool MyApp::OnInit() { wxFrame *frame = new MyFrame(); frame->Show( TRUE ); return TRUE; }