wxWidgets/user/wxLayout/wxlwindow.cpp
Karsten Ballüder 23f641681f latest sources from M
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@233 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-07-12 15:02:44 +00:00

152 lines
3.5 KiB
C++

/*-*- c++ -*-********************************************************
* wxLwindow.h : a scrolled Window for displaying/entering rich text*
* *
* (C) 1998 by Karsten Ballüder (Ballueder@usa.net) *
* *
* $Id$
*******************************************************************/
#ifdef __GNUG__
# pragma implementation "wxlwindow.h"
#endif
#include "wxlwindow.h"
#define VAR(x) cout << #x"=" << x << endl;
BEGIN_EVENT_TABLE(wxLayoutWindow,wxScrolledWindow)
EVT_PAINT (wxLayoutWindow::OnPaint)
EVT_CHAR (wxLayoutWindow::OnChar)
EVT_LEFT_DOWN(wxLayoutWindow::OnMouse)
END_EVENT_TABLE()
wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
: wxScrolledWindow(parent)
{
m_ScrollbarsSet = false;
m_EventId = 0;
}
void
wxLayoutWindow::OnMouse(wxMouseEvent& event)
{
if(m_EventId == 0) // nothing to do
return;
m_FindPos.x = event.GetX();
m_FindPos.y = event.GetY();
m_FoundObject = NULL;
#ifdef WXLAYOUT_DEBUG
cerr << "OnMouse: " << m_FindPos.x << ',' << m_FindPos.y << endl;
#endif
Refresh();
if(m_FoundObject)
{
if(m_EventId)
{
wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, m_EventId);
commandEvent.SetEventObject( this );
commandEvent.SetClientData((char *)m_FoundObject);
m_ClickPosition = wxPoint(event.GetX(), event.GetY());
GetEventHandler()->ProcessEvent(commandEvent);
}
}
}
/*
* some simple keyboard handling
*/
void
wxLayoutWindow::OnChar(wxKeyEvent& event)
{
long keyCode = event.KeyCode();
switch(event.KeyCode())
{
case WXK_RIGHT:
m_llist.MoveCursor(1);
break;
case WXK_LEFT:
m_llist.MoveCursor(-1);
break;
case WXK_UP:
m_llist.MoveCursor(0,-1);
break;
case WXK_DOWN:
m_llist.MoveCursor(0,1);
break;
case WXK_PRIOR:
m_llist.MoveCursor(0,-20);
break;
case WXK_NEXT:
m_llist.MoveCursor(0,20);
break;
case WXK_DELETE :
m_llist.Delete(1);
break;
case WXK_BACK: // backspace
m_llist.MoveCursor(-1);
m_llist.Delete(1);
break;
case WXK_RETURN:
m_llist.LineBreak();
break;
#ifdef WXLAYOUT_DEBUG
case WXK_F1:
m_llist.Debug();
break;
#endif
default:
if(keyCode < 256 && keyCode >= 32)
{
String tmp;
tmp += keyCode;
m_llist.Insert(tmp);
}
break;
}
Refresh();
UpdateScrollbars();
}
void
wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)w) // or: OnDraw(wxDC& dc)
{
wxPaintDC dc( this ); // only when used as OnPaint for OnDraw we
PrepareDC( dc ); // can skip the first two lines
if(m_EventId) // look for keyclicks
m_FoundObject = m_llist.Draw(dc,true,m_FindPos);
else
m_llist.Draw(dc);
if(! m_ScrollbarsSet)
{
m_ScrollbarsSet = true; // avoid recursion
UpdateScrollbars();
}
}
void
wxLayoutWindow::UpdateScrollbars(void)
{
CoordType
max_x, max_y, lineHeight;
m_llist.GetSize(&max_x, &max_y, &lineHeight);
SetScrollbars(10, lineHeight, max_x/10+1, max_y/lineHeight+1);
EnableScrolling(true,true);
}
void
wxLayoutWindow::Print(void)
{
wxPostScriptDC dc("layout.ps",true,this);
if (dc.Ok() && dc.StartDoc((char *)_("Printing message...")))
{
//dc.SetUserScale(1.0, 1.0);
m_llist.Draw(dc);
dc.EndDoc();
}
}