a5f81d8c07
It arranges text and graphics for display on a wxDC. This code is licensed under the LGPL. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@157 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
150 lines
3.3 KiB
C++
150 lines
3.3 KiB
C++
/*-*- c++ -*-********************************************************
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* wxLwindow.h : a scrolled Window for displaying/entering rich text*
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* *
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* (C) 1998 by Karsten Ballüder (Ballueder@usa.net) *
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* *
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* $Id$
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*******************************************************************/
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#ifdef __GNUG__
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# pragma implementation "wxlwindow.h"
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#endif
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#include "wxlwindow.h"
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#define VAR(x) cout << #x"=" << x << endl;
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BEGIN_EVENT_TABLE(wxLayoutWindow,wxScrolledWindow)
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EVT_PAINT (wxLayoutWindow::OnPaint)
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EVT_CHAR (wxLayoutWindow::OnChar)
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EVT_LEFT_DOWN(wxLayoutWindow::OnMouse)
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END_EVENT_TABLE()
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wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
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: wxScrolledWindow(parent)
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{
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m_ScrollbarsSet = false;
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m_EventId = 0;
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}
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void
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wxLayoutWindow::OnMouse(wxMouseEvent& event)
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{
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if(m_EventId == 0) // nothing to do
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return;
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m_FindPos.x = event.GetX();
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m_FindPos.y = event.GetY();
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m_FoundObject = NULL;
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#ifdef DEBUG
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cerr << "OnMouse: " << m_FindPos.x << ',' << m_FindPos.y << endl;
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#endif
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Refresh();
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if(m_FoundObject)
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{
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if(m_EventId)
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{
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wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, m_EventId);
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commandEvent.SetEventObject( this );
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GetEventHandler()->ProcessEvent(commandEvent);
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}
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}
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}
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/*
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* some simple keyboard handling
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*/
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void
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wxLayoutWindow::OnChar(wxKeyEvent& event)
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{
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long keyCode = event.KeyCode();
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switch(event.KeyCode())
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{
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case WXK_RIGHT:
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m_llist.MoveCursor(1);
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break;
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case WXK_LEFT:
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m_llist.MoveCursor(-1);
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break;
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case WXK_UP:
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m_llist.MoveCursor(0,-1);
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break;
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case WXK_DOWN:
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m_llist.MoveCursor(0,1);
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break;
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case WXK_PRIOR:
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m_llist.MoveCursor(0,-20);
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break;
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case WXK_NEXT:
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m_llist.MoveCursor(0,20);
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break;
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case WXK_DELETE :
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m_llist.Delete(1);
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break;
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case WXK_BACK: // backspace
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m_llist.MoveCursor(-1);
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m_llist.Delete(1);
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break;
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case WXK_RETURN:
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m_llist.LineBreak();
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break;
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#ifdef DEBUG
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case WXK_F1:
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m_llist.Debug();
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break;
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#endif
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default:
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if(keyCode < 256 && keyCode >= 32)
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{
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wxString tmp;
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tmp += keyCode;
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m_llist.Insert(tmp);
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}
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break;
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}
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Refresh();
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UpdateScrollbars();
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}
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void
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wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)w) // or: OnDraw(wxDC& dc)
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{
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wxPaintDC dc( this ); // only when used as OnPaint for OnDraw we
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PrepareDC( dc ); // can skip the first two lines
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if(m_EventId) // look for keyclicks
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m_FoundObject = m_llist.Draw(dc,true,m_FindPos);
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else
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m_llist.Draw(dc);
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if(! m_ScrollbarsSet)
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{
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m_ScrollbarsSet = true; // avoid recursion
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UpdateScrollbars();
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}
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}
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void
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wxLayoutWindow::UpdateScrollbars(void)
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{
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CoordType
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max_x, max_y, lineHeight;
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m_llist.GetSize(&max_x, &max_y, &lineHeight);
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SetScrollbars(10, lineHeight, max_x/10+1, max_y/lineHeight+1);
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EnableScrolling(true,true);
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}
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void
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wxLayoutWindow::Print(void)
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{
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wxPostScriptDC dc("layout.ps",true,this);
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if (dc.Ok() && dc.StartDoc((char *)_("Printing message...")))
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{
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//dc.SetUserScale(1.0, 1.0);
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m_llist.Draw(dc);
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dc.EndDoc();
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}
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}
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