925e9792d3
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29684 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
566 lines
17 KiB
C++
566 lines
17 KiB
C++
/*
|
|
* Program: scroll
|
|
*
|
|
* Author: Robert Roebling
|
|
*
|
|
* Copyright: (C) 1998, Robert Roebling
|
|
* 2002, Ron Lee
|
|
*
|
|
*/
|
|
|
|
// 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()
|
|
};
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Autoscrolling example.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// this class uses the 'virtual' size attribute along with an internal
|
|
// sizer to automatically set up scrollbars as needed
|
|
|
|
class MyAutoScrollWindow : public wxScrolledWindow
|
|
{
|
|
private:
|
|
|
|
wxButton *m_button;
|
|
|
|
public:
|
|
|
|
MyAutoScrollWindow( wxWindow *parent );
|
|
|
|
void OnResizeClick( wxCommandEvent &WXUNUSED( event ) );
|
|
|
|
DECLARE_EVENT_TABLE()
|
|
};
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// MyScrolledWindow classes: examples of wxScrolledWindow usage
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// base class for both of them
|
|
class MyScrolledWindowBase : public wxScrolledWindow
|
|
{
|
|
public:
|
|
MyScrolledWindowBase(wxWindow *parent)
|
|
: wxScrolledWindow(parent)
|
|
, m_nLines( 100 )
|
|
{
|
|
wxClientDC dc(this);
|
|
dc.GetTextExtent(_T("Line 17"), NULL, &m_hLine);
|
|
}
|
|
|
|
protected:
|
|
// the height of one line on screen
|
|
wxCoord m_hLine;
|
|
|
|
// the number of lines we draw
|
|
size_t m_nLines;
|
|
};
|
|
|
|
// this class does "stupid" redrawing - it redraws everything each time
|
|
// and sets the scrollbar extent directly.
|
|
|
|
class MyScrolledWindowDumb : public MyScrolledWindowBase
|
|
{
|
|
public:
|
|
MyScrolledWindowDumb(wxWindow *parent) : MyScrolledWindowBase(parent)
|
|
{
|
|
// no horz scrolling
|
|
SetScrollbars(0, m_hLine, 0, m_nLines + 1, 0, 0, true /* no refresh */);
|
|
}
|
|
|
|
virtual void OnDraw(wxDC& dc);
|
|
};
|
|
|
|
// this class does "smart" redrawing - only redraws the lines which must be
|
|
// redrawn and sets the scroll rate and virtual size to affect the
|
|
// scrollbars.
|
|
//
|
|
// Note that this class should produce identical results to the one above.
|
|
|
|
class MyScrolledWindowSmart : public MyScrolledWindowBase
|
|
{
|
|
public:
|
|
MyScrolledWindowSmart(wxWindow *parent) : MyScrolledWindowBase(parent)
|
|
{
|
|
// no horz scrolling
|
|
SetScrollRate( 0, m_hLine );
|
|
SetVirtualSize( -1, ( m_nLines + 1 ) * m_hLine );
|
|
}
|
|
|
|
virtual void OnDraw(wxDC& dc);
|
|
};
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// MyFrame
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class MyFrame: public wxFrame
|
|
{
|
|
public:
|
|
MyFrame();
|
|
|
|
void OnAbout( wxCommandEvent &event );
|
|
void OnQuit( wxCommandEvent &event );
|
|
void OnDeleteAll( wxCommandEvent &event );
|
|
void OnInsertNew( 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
|
|
|
|
const long ID_ADDBUTTON = wxNewId();
|
|
const long ID_DELBUTTON = wxNewId();
|
|
const long ID_MOVEBUTTON = wxNewId();
|
|
const long ID_SCROLLWIN = wxNewId();
|
|
const long ID_QUERYPOS = wxNewId();
|
|
|
|
const long ID_NEWBUTTON = wxNewId();
|
|
|
|
// 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, _T("test canvas") )
|
|
{
|
|
SetScrollRate( 10, 10 );
|
|
SetVirtualSize( 500, 1000 );
|
|
|
|
(void) new wxButton( this, ID_ADDBUTTON, _T("add button"), wxPoint(10,10) );
|
|
(void) new wxButton( this, ID_DELBUTTON, _T("del button"), wxPoint(10,40) );
|
|
(void) new wxButton( this, ID_MOVEBUTTON, _T("move button"), wxPoint(150,10) );
|
|
(void) new wxButton( this, ID_SCROLLWIN, _T("scroll win"), wxPoint(250,10) );
|
|
|
|
#if 0
|
|
|
|
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, wxID_ANY, "wxTextCtrl", wxPoint(10,150), wxSize(80,wxDefaultCoord) );
|
|
|
|
(void) new wxRadioButton( this, wxID_ANY, "Disable", wxPoint(10,190) );
|
|
|
|
(void) new wxComboBox( this, wxID_ANY, "This", wxPoint(10,230), wxDefaultSize, 5, choices );
|
|
|
|
(void) new wxRadioBox( this, wxID_ANY, "This", wxPoint(10,310), wxDefaultSize, 5, choices, 2, wxRA_SPECIFY_COLS );
|
|
|
|
(void) new wxRadioBox( this, wxID_ANY, "This", wxPoint(10,440), wxDefaultSize, 5, choices, 2, wxRA_SPECIFY_ROWS );
|
|
|
|
wxListCtrl *m_listCtrl = new wxListCtrl(
|
|
this, wxID_ANY, 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, wxID_ANY, wxPoint(260,280), wxSize(120,120), 5, choices, wxLB_ALWAYS_SB );
|
|
|
|
#endif
|
|
|
|
wxPanel *test = new wxPanel( this, wxID_ANY, wxPoint(10, 110), wxSize(130,50), wxSIMPLE_BORDER | wxTAB_TRAVERSAL );
|
|
test->SetBackgroundColour( wxT("WHEAT") );
|
|
|
|
#if 0
|
|
|
|
wxButton *test2 = new wxButton( test, wxID_ANY, "Hallo", wxPoint(10,10) );
|
|
|
|
test = new wxPanel( this, wxID_ANY, wxPoint(160, 530), wxSize(130,120), wxSUNKEN_BORDER | wxTAB_TRAVERSAL );
|
|
test->SetBackgroundColour( wxT("WHEAT") );
|
|
test->SetCursor( wxCursor( wxCURSOR_NO_ENTRY ) );
|
|
test2 = new wxButton( test, wxID_ANY, "Hallo", wxPoint(10,10) );
|
|
test2->SetCursor( wxCursor( wxCURSOR_PENCIL ) );
|
|
|
|
test = new wxPanel( this, wxID_ANY, wxPoint(310, 530), wxSize(130,120), wxRAISED_BORDER | wxTAB_TRAVERSAL );
|
|
test->SetBackgroundColour( wxT("WHEAT") );
|
|
test->SetCursor( wxCursor( wxCURSOR_PENCIL ) );
|
|
test2 = new wxButton( test, wxID_ANY, "Hallo", wxPoint(10,10) );
|
|
test2->SetCursor( wxCursor( wxCURSOR_NO_ENTRY ) );
|
|
|
|
#endif
|
|
|
|
SetBackgroundColour( wxT("BLUE") );
|
|
|
|
SetCursor( wxCursor( wxCURSOR_IBEAM ) );
|
|
}
|
|
|
|
void MyCanvas::OnMouseDown( wxMouseEvent &event )
|
|
{
|
|
if (event.LeftDown())
|
|
{
|
|
wxPoint pt( event.GetPosition() );
|
|
int x,y;
|
|
CalcUnscrolledPosition( pt.x, pt.y, &x, &y );
|
|
wxLogMessage( wxT("Mouse down event at: %d %d, scrolled: %d %d"), pt.x, pt.y, x, y );
|
|
|
|
if ( !event.LeftIsDown() )
|
|
wxLogMessage( wxT("Error: LeftIsDown() should be true if for LeftDown()") );
|
|
}
|
|
}
|
|
|
|
void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
|
|
{
|
|
wxPaintDC dc( this );
|
|
PrepareDC( dc );
|
|
|
|
dc.DrawText( _T("Press mouse button to test calculations!"), 160, 50 );
|
|
|
|
dc.DrawText( _T("Some text"), 140, 140 );
|
|
|
|
dc.DrawRectangle( 100, 160, 200, 200 );
|
|
}
|
|
|
|
void MyCanvas::OnQueryPosition( wxCommandEvent &WXUNUSED(event) )
|
|
{
|
|
wxPoint pt( m_button->GetPosition() );
|
|
wxLogMessage( wxT("Position of \"Query position\" is %d %d"), pt.x, pt.y );
|
|
pt = ClientToScreen( pt );
|
|
wxLogMessage( wxT("Position of \"Query position\" on screen is %d %d"), pt.x, pt.y );
|
|
}
|
|
|
|
void MyCanvas::OnAddButton( wxCommandEvent &WXUNUSED(event) )
|
|
{
|
|
wxLogMessage( wxT("Inserting button at position 10,70...") );
|
|
wxButton *button = new wxButton( this, ID_NEWBUTTON, wxT("new button"), wxPoint(10,70), wxSize(80,25) );
|
|
wxPoint pt( button->GetPosition() );
|
|
wxLogMessage( wxT("-> Position after inserting %d %d"), pt.x, pt.y );
|
|
}
|
|
|
|
void MyCanvas::OnDeleteButton( wxCommandEvent &WXUNUSED(event) )
|
|
{
|
|
wxLogMessage( wxT("Deleting button inserted with \"Add button\"...") );
|
|
wxWindow *win = FindWindow( ID_NEWBUTTON );
|
|
if (win)
|
|
win->Destroy();
|
|
else
|
|
wxLogMessage( wxT("-> No window with id = ID_NEWBUTTON found.") );
|
|
}
|
|
|
|
void MyCanvas::OnMoveButton( wxCommandEvent &event )
|
|
{
|
|
wxLogMessage( wxT("Moving button 10 pixels downward..") );
|
|
wxWindow *win = FindWindow( event.GetId() );
|
|
wxPoint pt( win->GetPosition() );
|
|
wxLogMessage( wxT("-> Position before move is %d %d"), pt.x, pt.y );
|
|
win->Move( wxDefaultCoord, pt.y + 10 );
|
|
pt = win->GetPosition();
|
|
wxLogMessage( wxT("-> Position after move is %d %d"), pt.x, pt.y );
|
|
}
|
|
|
|
void MyCanvas::OnScrollWin( wxCommandEvent &WXUNUSED(event) )
|
|
{
|
|
wxLogMessage( wxT("Scrolling 2 units up.\nThe white square and the controls should move equally!") );
|
|
int x,y;
|
|
GetViewStart( &x, &y );
|
|
Scroll( -1, y+2 );
|
|
}
|
|
|
|
// MyAutoScrollWindow
|
|
|
|
const long ID_RESIZEBUTTON = wxNewId();
|
|
const wxSize SMALL_BUTTON( 100, 50 );
|
|
const wxSize LARGE_BUTTON( 300, 100 );
|
|
|
|
BEGIN_EVENT_TABLE( MyAutoScrollWindow, wxScrolledWindow)
|
|
EVT_BUTTON( ID_RESIZEBUTTON, MyAutoScrollWindow::OnResizeClick)
|
|
END_EVENT_TABLE()
|
|
|
|
MyAutoScrollWindow::MyAutoScrollWindow( wxWindow *parent )
|
|
: wxScrolledWindow( parent )
|
|
{
|
|
SetBackgroundColour( wxT("GREEN") );
|
|
|
|
// Set the rate we'd like for scrolling.
|
|
|
|
SetScrollRate( 5, 5 );
|
|
|
|
// Populate a sizer with a 'resizing' button and some
|
|
// other static decoration
|
|
|
|
wxFlexGridSizer *innersizer = new wxFlexGridSizer( 2, 2 );
|
|
|
|
m_button = new wxButton( this,
|
|
ID_RESIZEBUTTON,
|
|
_T("Press me"),
|
|
wxDefaultPosition,
|
|
SMALL_BUTTON );
|
|
|
|
// We need to do this here, because wxADJUST_MINSIZE below
|
|
// will cause the initial size to be ignored for Best/Min size.
|
|
// It would be nice to fix the sizers to handle this a little
|
|
// more cleanly.
|
|
|
|
m_button->SetSizeHints( SMALL_BUTTON.GetWidth(), SMALL_BUTTON.GetHeight() );
|
|
|
|
innersizer->Add( m_button,
|
|
0,
|
|
wxALIGN_CENTER | wxALL | wxADJUST_MINSIZE,
|
|
20 );
|
|
|
|
innersizer->Add( new wxStaticText( this, wxID_ANY, _T("This is just") ),
|
|
0,
|
|
wxALIGN_CENTER );
|
|
|
|
innersizer->Add( new wxStaticText( this, wxID_ANY, _T("some decoration") ),
|
|
0,
|
|
wxALIGN_CENTER );
|
|
|
|
innersizer->Add( new wxStaticText( this, wxID_ANY, _T("for you to scroll...") ),
|
|
0,
|
|
wxALIGN_CENTER );
|
|
|
|
// Then use the sizer to set the scrolled region size.
|
|
|
|
SetSizer( innersizer );
|
|
}
|
|
|
|
void MyAutoScrollWindow::OnResizeClick( wxCommandEvent &WXUNUSED( event ) )
|
|
{
|
|
// Arbitrarily resize the button to change the minimum size of
|
|
// the (scrolled) sizer.
|
|
|
|
if( m_button->GetSize() == SMALL_BUTTON )
|
|
m_button->SetSizeHints( LARGE_BUTTON.GetWidth(), LARGE_BUTTON.GetHeight() );
|
|
else
|
|
m_button->SetSizeHints( SMALL_BUTTON.GetWidth(), SMALL_BUTTON.GetHeight() );
|
|
|
|
// Force update layout and scrollbars, since nothing we do here
|
|
// necessarily generates a size event which would do it for us.
|
|
|
|
FitInside();
|
|
}
|
|
|
|
// MyFrame
|
|
|
|
const long ID_QUIT = wxNewId();
|
|
const long ID_ABOUT = wxNewId();
|
|
const long ID_DELETE_ALL = wxNewId();
|
|
const long ID_INSERT_NEW = wxNewId();
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
|
|
|
|
BEGIN_EVENT_TABLE(MyFrame,wxFrame)
|
|
EVT_MENU (ID_DELETE_ALL, MyFrame::OnDeleteAll)
|
|
EVT_MENU (ID_INSERT_NEW, MyFrame::OnInsertNew)
|
|
EVT_MENU (ID_ABOUT, MyFrame::OnAbout)
|
|
EVT_MENU (ID_QUIT, MyFrame::OnQuit)
|
|
END_EVENT_TABLE()
|
|
|
|
MyFrame::MyFrame()
|
|
: wxFrame( (wxFrame *)NULL, wxID_ANY, _T("wxScrolledWindow sample"),
|
|
wxPoint(20,20), wxSize(470,500) )
|
|
{
|
|
wxMenu *file_menu = new wxMenu();
|
|
file_menu->Append( ID_DELETE_ALL, _T("Delete all"));
|
|
file_menu->Append( ID_INSERT_NEW, _T("Insert new"));
|
|
file_menu->Append( ID_ABOUT, _T("&About.."));
|
|
file_menu->Append( ID_QUIT, _T("E&xit\tAlt-X"));
|
|
|
|
wxMenuBar *menu_bar = new wxMenuBar();
|
|
menu_bar->Append(file_menu, _T("&File"));
|
|
|
|
SetMenuBar( menu_bar );
|
|
|
|
#if wxUSE_STATUSBAR
|
|
CreateStatusBar(2);
|
|
int widths[] = { -1, 100 };
|
|
SetStatusWidths( 2, widths );
|
|
#endif // wxUSE_STATUSBAR
|
|
|
|
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
|
|
|
|
// Setting an explicit size here is superfluous, it will be overridden
|
|
// by the sizer in any case.
|
|
m_canvas = new MyCanvas( this, wxID_ANY, wxPoint(0,0), wxSize(100,100) );
|
|
|
|
// This is done with ScrollRate/VirtualSize in MyCanvas ctor now,
|
|
// both should produce identical results.
|
|
//m_canvas->SetScrollbars( 10, 10, 50, 100 );
|
|
|
|
topsizer->Add( m_canvas, 1, wxEXPAND );
|
|
topsizer->Add( new MyAutoScrollWindow( this ), 1, wxEXPAND );
|
|
|
|
wxSizer *sizerBtm = new wxBoxSizer(wxHORIZONTAL);
|
|
sizerBtm->Add( new MyScrolledWindowDumb(this), 1, wxEXPAND );
|
|
sizerBtm->Add( new MyScrolledWindowSmart(this), 1, wxEXPAND );
|
|
topsizer->Add( sizerBtm, 1, wxEXPAND );
|
|
|
|
SetSizer( topsizer );
|
|
}
|
|
|
|
void MyFrame::OnDeleteAll( wxCommandEvent &WXUNUSED(event) )
|
|
{
|
|
m_canvas->DestroyChildren();
|
|
}
|
|
|
|
void MyFrame::OnInsertNew( wxCommandEvent &WXUNUSED(event) )
|
|
{
|
|
(void)new wxButton( m_canvas, wxID_ANY, _T("Hello"), wxPoint(100,100) );
|
|
}
|
|
|
|
void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
|
|
{
|
|
Close( true );
|
|
}
|
|
|
|
void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
|
|
{
|
|
(void)wxMessageBox( _T("wxScroll demo\n")
|
|
_T("Robert Roebling (c) 1998\n")
|
|
_T("Autoscrolling examples\n")
|
|
_T("Ron Lee (c) 2002"),
|
|
_T("About wxScroll Demo"),
|
|
wxICON_INFORMATION | wxOK );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// MyApp
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool MyApp::OnInit()
|
|
{
|
|
wxFrame *frame = new MyFrame();
|
|
frame->Show( true );
|
|
|
|
return true;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// MyScrolledWindowXXX
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void MyScrolledWindowDumb::OnDraw(wxDC& dc)
|
|
{
|
|
// this is useful to see which lines are redrawn
|
|
static size_t s_redrawCount = 0;
|
|
dc.SetTextForeground(s_redrawCount++ % 2 ? *wxRED : *wxBLUE);
|
|
|
|
wxCoord y = 0;
|
|
for ( size_t line = 0; line < m_nLines; line++ )
|
|
{
|
|
wxCoord yPhys;
|
|
CalcScrolledPosition(0, y, NULL, &yPhys);
|
|
|
|
dc.DrawText(wxString::Format(_T("Line %u (logical %d, physical %d)"),
|
|
line, y, yPhys), 0, y);
|
|
y += m_hLine;
|
|
}
|
|
}
|
|
|
|
void MyScrolledWindowSmart::OnDraw(wxDC& dc)
|
|
{
|
|
// this is useful to see which lines are redrawn
|
|
static size_t s_redrawCount = 0;
|
|
dc.SetTextForeground(s_redrawCount++ % 2 ? *wxRED : *wxBLUE);
|
|
|
|
// update region is always in device coords, translate to logical ones
|
|
wxRect rectUpdate = GetUpdateRegion().GetBox();
|
|
CalcUnscrolledPosition(rectUpdate.x, rectUpdate.y,
|
|
&rectUpdate.x, &rectUpdate.y);
|
|
|
|
size_t lineFrom = rectUpdate.y / m_hLine,
|
|
lineTo = rectUpdate.GetBottom() / m_hLine;
|
|
|
|
if ( lineTo > m_nLines - 1)
|
|
lineTo = m_nLines - 1;
|
|
|
|
wxCoord y = lineFrom*m_hLine;
|
|
for ( size_t line = lineFrom; line <= lineTo; line++ )
|
|
{
|
|
wxCoord yPhys;
|
|
CalcScrolledPosition(0, y, NULL, &yPhys);
|
|
|
|
dc.DrawText(wxString::Format(_T("Line %u (logical %d, physical %d)"),
|
|
line, y, yPhys), 0, y);
|
|
y += m_hLine;
|
|
}
|
|
}
|