+// the event tables connect the wxWindows events with the functions (event
+// handlers) which process them.
+BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
+ EVT_PAINT (MyCanvas::OnPaint)
+ EVT_MOTION (MyCanvas::OnMouseMove)
+END_EVENT_TABLE()
+
+MyCanvas::MyCanvas( MyFrame *parent )
+ : wxScrolledWindow( parent )
+{
+ m_owner = parent;
+}
+
+void MyCanvas::DrawTestLines( int x, int y, int width, wxDC &dc )
+{
+ dc.SetPen( wxPen( "black", width, wxSOLID) );
+ dc.SetBrush( *wxRED_BRUSH );
+ dc.DrawRectangle( x+10, y+10, 100, 190 );
+
+ dc.SetPen( wxPen( "black", width, wxSOLID) );
+ dc.DrawLine( x+20, y+20, 100, y+20 );
+ dc.SetPen( wxPen( "black", width, wxDOT) );
+ dc.DrawLine( x+20, y+30, 100, y+30 );
+ dc.SetPen( wxPen( "black", width, wxSHORT_DASH) );
+ dc.DrawLine( x+20, y+40, 100, y+40 );
+ dc.SetPen( wxPen( "black", width, wxLONG_DASH) );
+ dc.DrawLine( x+20, y+50, 100, y+50 );
+ dc.SetPen( wxPen( "black", width, wxDOT_DASH) );
+ dc.DrawLine( x+20, y+60, 100, y+60 );
+
+ dc.SetPen( wxPen( "black", width, wxBDIAGONAL_HATCH) );
+ dc.DrawLine( x+20, y+70, 100, y+70 );
+ dc.SetPen( wxPen( "black", width, wxCROSSDIAG_HATCH) );
+ dc.DrawLine( x+20, y+80, 100, y+80 );
+ dc.SetPen( wxPen( "black", width, wxFDIAGONAL_HATCH) );
+ dc.DrawLine( x+20, y+90, 100, y+90 );
+ dc.SetPen( wxPen( "black", width, wxCROSS_HATCH) );
+ dc.DrawLine( x+20, y+100, 100, y+100 );
+ dc.SetPen( wxPen( "black", width, wxHORIZONTAL_HATCH) );
+ dc.DrawLine( x+20, y+110, 100, y+110 );
+ dc.SetPen( wxPen( "black", width, wxVERTICAL_HATCH) );
+ dc.DrawLine( x+20, y+120, 100, y+120 );
+
+ wxPen ud( "black", width, wxUSER_DASH );
+ wxDash dash1[1];
+ dash1[0] = 0;
+ ud.SetDashes( 1, dash1 );
+ dc.DrawLine( x+20, y+140, 100, y+140 );
+ dash1[0] = 1;
+ ud.SetDashes( 1, dash1 );
+ dc.DrawLine( x+20, y+150, 100, y+150 );
+ dash1[0] = 2;
+ ud.SetDashes( 1, dash1 );
+ dc.DrawLine( x+20, y+160, 100, y+160 );
+ dash1[0] = 0xFF;
+ ud.SetDashes( 1, dash1 );
+ dc.DrawLine( x+20, y+170, 100, y+170 );
+
+}
+
+void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
+{
+ wxPaintDC dc(this);
+ PrepareDC(dc);
+ m_owner->PrepareDC(dc);
+
+ dc.SetBackgroundMode( m_owner->m_backgroundMode );
+ if ( m_owner->m_backgroundBrush.Ok() )
+ dc.SetBackground( m_owner->m_backgroundBrush );
+ if ( m_owner->m_colourForeground.Ok() )
+ dc.SetTextForeground( m_owner->m_colourForeground );
+ if ( m_owner->m_colourBackground.Ok() )
+ dc.SetTextBackground( m_owner->m_colourBackground );
+
+ // mark the origin
+ dc.DrawCircle(0, 0, 10);
+#if !(defined __WXGTK__) && !(defined __WXMOTIF__)
+ // not implemented in wxGTK or wxMOTIF :-(
+ dc.FloodFill(0, 0, wxColour(255, 0, 0));
+#endif //
+
+ // set underlined font for testing
+ dc.SetFont( wxFont(12, wxMODERN, wxNORMAL, wxNORMAL, TRUE) );
+ dc.DrawText( "This is text", 110, 10 );
+ dc.DrawRotatedText( "That is text", 60, 30, -45 );
+
+ dc.SetFont( *wxNORMAL_FONT );
+
+ wxString text;
+ dc. SetBackgroundMode(wxTRANSPARENT);
+
+ for ( int n = -180; n < 180; n += 30 )
+ {
+ text.Printf(" %d rotated text", n);
+ dc.DrawRotatedText(text , 400, 400, n);
+ }
+
+ dc.SetFont( wxFont( 18, wxSWISS, wxNORMAL, wxNORMAL ) );
+
+ dc.DrawText( "This is Swiss 18pt text.", 110, 40 );
+
+ long length;
+ long height;
+ long descent;
+ dc.GetTextExtent( "This is Swiss 18pt text.", &length, &height, &descent );
+ text.Printf( "Dimensions are length %ld, height %ld, descent %ld", length, height, descent );
+ dc.DrawText( text, 110, 80 );
+
+ dc.DrawRectangle( 100, 40, 4, height );
+
+ text.Printf( "CharHeight() returns: %d", dc.GetCharHeight() );
+ dc.DrawText( text, 110, 120 );
+
+
+ dc.DrawIcon( wxICON(mondrian), 310, 40 );
+
+ DrawTestLines( 0, 200, 0, dc );
+
+ DrawTestLines( 0, 400, 1, dc );
+
+ DrawTestLines( 0, 600, 2, dc );
+
+ DrawTestLines( 0, 800, 6, dc );
+
+}
+
+void MyCanvas::OnMouseMove(wxMouseEvent &event)
+{
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ m_owner->PrepareDC(dc);
+
+ wxPoint pos = event.GetPosition();
+ long x = dc.DeviceToLogicalX( pos.x );
+ long y = dc.DeviceToLogicalY( pos.y );
+ wxString str;
+ str.Printf( "Current mouse position: %d,%d", (int)x, (int)y );
+ m_owner->SetStatusText( str );
+}
+
+// ----------------------------------------------------------------------------
+// MyFrame
+// ----------------------------------------------------------------------------
+
+// the event tables connect the wxWindows events with the functions (event
+// handlers) which process them. It can be also done at run-time, but for the
+// simple menu events like this the static method is much simpler.
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU (Minimal_Quit, MyFrame::OnQuit)
+ EVT_MENU (Minimal_About, MyFrame::OnAbout)
+ EVT_MENU_RANGE(MenuOption_First, MenuOption_Last, MyFrame::OnOption)
+END_EVENT_TABLE()
+
projects / wxWidgets.git / blobdiff