public:
MyTopLabels() {}
MyTopLabels( wxScrolledWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size );
-
+
void OnPaint( wxPaintEvent &event );
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+
private:
wxScrolledWindow *m_owner;
-
+
DECLARE_DYNAMIC_CLASS(MyTopLabels)
DECLARE_EVENT_TABLE()
};
public:
MyRightLabels() {}
MyRightLabels( wxScrolledWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size );
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+
void OnPaint( wxPaintEvent &event );
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+
private:
wxScrolledWindow *m_owner;
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+
DECLARE_DYNAMIC_CLASS(MyRightLabels)
DECLARE_EVENT_TABLE()
};
MyRightLabels *right = new MyRightLabels( this, -1, wxDefaultPosition, wxSize(60,-1) );
m_canvas = new MyCanvas( this, top, right, -1, wxDefaultPosition, wxDefaultSize );
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+
SetTargetWindow( m_canvas );
SetBackgroundColour( wxT("WHEAT") );
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+
SetCursor( wxCursor( wxCURSOR_HAND ) );
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+
wxBoxSizer *mainsizer = new wxBoxSizer( wxVERTICAL );
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+
wxBoxSizer *topsizer = new wxBoxSizer( wxHORIZONTAL );
topsizer->Add( 60,25 );
- topsizer->Add( top, 1 );
-
+ topsizer->Add( top, 1, wxEXPAND );
+
mainsizer->Add( topsizer, 0, wxEXPAND );
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+
wxBoxSizer *middlesizer = new wxBoxSizer( wxHORIZONTAL );
middlesizer->Add( right, 0, wxEXPAND );
middlesizer->Add( m_canvas, 1, wxEXPAND );
-
+
mainsizer->Add( middlesizer, 1, wxEXPAND );
SetAutoLayout( TRUE );
/*
wxSize size( GetClientSize() );
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+
long w,h;
dc.GetTextExtent( wxT("Headline"), &w, &h );
void MyTopLabels::OnPaint( wxPaintEvent &event )
{
wxPaintDC dc(this);
- m_owner->PrepareDC( dc );
+
+ // This is wrong.. it will translate both x and y if the
+ // window is scrolled, the label windows are active in one
+ // direction only. Do the action below instead -- RL.
+ //m_owner->PrepareDC( dc );
+
+ int xScrollUnits, xOrigin;
+
+ m_owner->GetViewStart( &xOrigin, 0 );
+ m_owner->GetScrollPixelsPerUnit( &xScrollUnits, 0 );
+ dc.SetDeviceOrigin( -xOrigin * xScrollUnits, 0 );
+
dc.DrawText( "Column 1", 5, 5 );
dc.DrawText( "Column 2", 105, 5 );
dc.DrawText( "Column 3", 205, 5 );
void MyRightLabels::OnPaint( wxPaintEvent &event )
{
wxPaintDC dc(this);
- m_owner->PrepareDC( dc );
+
+ // This is wrong.. it will translate both x and y if the
+ // window is scrolled, the label windows are active in one
+ // direction only. Do the action below instead -- RL.
+ //m_owner->PrepareDC( dc );
+
+ int yScrollUnits, yOrigin;
+
+ m_owner->GetViewStart( 0, &yOrigin );
+ m_owner->GetScrollPixelsPerUnit( 0, &yScrollUnits );
+ dc.SetDeviceOrigin( 0, -yOrigin * yScrollUnits );
+
dc.DrawText( "Row 1", 5, 5 );
dc.DrawText( "Row 2", 5, 30 );
dc.DrawText( "Row 3", 5, 55 );
m_owner = parent;
m_topLabels = top;
m_rightLabels = right;
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+
(void)new wxButton( this, -1, "Hallo I", wxPoint(0,50), wxSize(100,25) );
(void)new wxButton( this, -1, "Hallo II", wxPoint(200,50), wxSize(100,25) );
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+
(void)new wxTextCtrl( this, -1, "Text I", wxPoint(0,100), wxSize(100,25) );
(void)new wxTextCtrl( this, -1, "Text II", wxPoint(200,100), wxSize(100,25) );
SetBackgroundColour( wxT("WHEAT") );
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+
SetCursor( wxCursor( wxCURSOR_IBEAM ) );
}
m_owner->PrepareDC( dc );
dc.SetPen( *wxBLACK_PEN );
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+
// OK, let's assume we are a grid control and we have two
// grid cells. Here in OnPaint we want to know which cell
// to redraw so that we prevent redrawing cells that don't
// need to get redrawn. We have one cell at (0,0) and one
// more at (200,0), both having a size of (100,25).
-
- // We can query how much the window has been scrolled
+
+ // We can query how much the window has been scrolled
// by calling CalcUnscrolledPosition()
-
+
int scroll_x = 0;
int scroll_y = 0;
m_owner->CalcUnscrolledPosition( scroll_x, scroll_y, &scroll_x, &scroll_y );
-
+
// We also need to know the size of the window to see which
// cells are completely hidden and not get redrawn
-
+
int size_x = 0;
int size_y = 0;
GetClientSize( &size_x, &size_y );
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+
// First cell: (0,0)(100,25)
// It it on screen?
if ((0+100-scroll_x > 0) && (0+25-scroll_y > 0) &&
(0-scroll_x < size_x) && (0-scroll_y < size_y))
{
// Has the region on screen been exposed?
- if (IsExposed(0,0,100,25))
- {
- wxLogMessage( wxT("Redraw first cell") );
+ if (IsExposed(0,0,100,25))
+ {
+ wxLogMessage( wxT("Redraw first cell") );
dc.DrawRectangle( 0, 0, 100, 25 );
- dc.DrawText( "First Cell", 5, 5 );
- }
+ dc.DrawText( "First Cell", 5, 5 );
+ }
}
-
-
+
+
// Second cell: (0,200)(100,25)
// It it on screen?
if ((200+100-scroll_x > 0) && (0+25-scroll_y > 0) &&
(200-scroll_x < size_x) && (0-scroll_y < size_y))
{
// Has the region on screen been exposed?
- if (IsExposed(200,0,100,25))
- {
- wxLogMessage( wxT("Redraw second cell") );
+ if (IsExposed(200,0,100,25))
+ {
+ wxLogMessage( wxT("Redraw second cell") );
dc.DrawRectangle( 200, 0, 100, 25 );
- dc.DrawText( "Second Cell", 205, 5 );
- }
+ dc.DrawText( "Second Cell", 205, 5 );
+ }
}
-
+
}
void MyCanvas::ScrollWindow( int dx, int dy, const wxRect *rect )
m_scrolled = new MyScrolledWindow( this, -1, wxDefaultPosition, wxSize(100,100) );
m_scrolled->SetScrollbars( 10, 10, 50, 100 );
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+
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;
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+
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
topsizer->Add( m_scrolled, 1, wxEXPAND );
topsizer->Add( m_log, 0, wxEXPAND );