0e6c619a1a
Printing almost works. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@906 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
285 lines
6.4 KiB
C++
285 lines
6.4 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 "Mpch.h"
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#ifdef M_BASEDIR
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# ifndef USE_PCH
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# include "Mcommon.h"
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# include "gui/wxMenuDefs.h"
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# endif // USE_PCH
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# include "gui/wxlwindow.h"
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#else
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# include "wxlwindow.h"
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# define TRACEMESSAGE(x)
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#endif
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# define WXL_VAR(x) cerr << #x " = " << x ;
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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::OnLeftMouseClick)
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EVT_RIGHT_DOWN(wxLayoutWindow::OnRightMouseClick)
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EVT_LEFT_DCLICK(wxLayoutWindow::OnMouseDblClick)
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END_EVENT_TABLE()
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wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
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: wxScrolledWindow(parent, -1, wxDefaultPosition, wxDefaultSize,
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wxHSCROLL | wxVSCROLL | wxBORDER)
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{
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m_ScrollbarsSet = false;
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m_doSendEvents = false;
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m_ViewStartX = 0; m_ViewStartY = 0;
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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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#ifdef __WXMSW__
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long
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wxLayoutWindow::MSWGetDlgCode()
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{
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// if we don't return this, we won't get OnChar() events
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return DLGC_WANTCHARS | DLGC_WANTARROWS | DLGC_WANTMESSAGE;
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}
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#endif //MSW
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void
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wxLayoutWindow::Update(void)
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{
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wxClientDC dc(this);
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PrepareDC(dc);
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if(IsDirty())
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{
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DoPaint(dc);
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UpdateScrollbars();
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ResetDirty();
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}
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m_llist.DrawCursor(dc);
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}
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void
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wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
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{
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if(!m_doSendEvents) // nothing to do
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return;
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wxPaintDC dc( this );
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PrepareDC( dc );
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SetFocus();
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wxPoint findPos;
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findPos.x = dc.DeviceToLogicalX(event.GetX());
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findPos.y = dc.DeviceToLogicalY(event.GetY());
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TRACEMESSAGE(("wxLayoutWindow::OnMouse: (%d, %d) -> (%d, %d)",
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event.GetX(), event.GetY(), findPos.x, findPos.y));
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// find the object at this position
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wxLayoutObjectBase *obj = m_llist.Find(findPos);
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if(obj)
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{
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wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, eventId);
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commandEvent.SetEventObject( this );
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commandEvent.SetClientData((char *)obj);
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GetEventHandler()->ProcessEvent(commandEvent);
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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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if(! m_llist.IsEditable()) // do nothing
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{
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event.Skip();
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return;
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}
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long keyCode = event.KeyCode();
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wxPoint p;
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CoordType help;
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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_HOME:
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p = m_llist.GetCursor();
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p.x = 0;
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m_llist.SetCursor(p);
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break;
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case WXK_END:
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p = m_llist.GetCursor();
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p.x = m_llist.GetLineLength(m_llist.FindCurrentObject(NULL));
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m_llist.SetCursor(p);
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break;
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case WXK_DELETE :
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if(event.ControlDown()) // delete to end of line
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{
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help = m_llist.GetLineLength(
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m_llist.FindCurrentObject(NULL))
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- m_llist.GetCursor().x;
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m_llist.Delete(help ? help : 1);
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}
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else
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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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if(m_llist.MoveCursor(-1)) {
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m_llist.Delete(1);
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}
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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 WXLAYOUT_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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String 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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/** Scroll so that cursor is visible! */
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int x0,y0,x1,y1,ux,uy;
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ViewStart(&x0,&y0);
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GetScrollPixelsPerUnit(&ux,&uy);
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x0*=ux; y0*=uy;
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GetClientSize(&x1,&y1);
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wxPoint cc = m_llist.GetCursorCoords();
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int nx = x0, ny = y0;
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// when within 10% of borders, scroll to center
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if(cc.y > y0+(9*y1)/10)
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ny = cc.y - y1/5;
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else if (cc.y < y0+y1/10)
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{
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ny = cc.y-y1/2;
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if(ny < 0) ny = 0;
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}
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if(cc.x > x0+(9*x1)/10)
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nx = cc.x - x1/5;
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else if (cc.x < x0+x1/10)
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{
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nx = cc.x-x1/2;
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if(nx < 0) nx = 0;
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}
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Scroll(nx,ny);
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Update();
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}
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void
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wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)) // or: OnDraw(wxDC& dc)
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{
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wxPaintDC dc( this );
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PrepareDC( dc );
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DoPaint(dc);
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// wxGTK: wxMemoryDC broken?
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#if 0
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int x0,y0,x1,y1;
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ViewStart(&x0,&y0);
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GetSize(&x1,&y1);
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WXL_VAR(x0); WXL_VAR(y0);
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WXL_VAR(x1); WXL_VAR(y1);
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wxMemoryDC(memdc);
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wxBitmap bm(x1,y1);
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memdc.SelectObject(bm);
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// make temporary copy and edit this
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memdc.SetDeviceOrigin(x0,y0);
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memdc.Blit(x0,y0,x1,y1,&dc,x0,y0,wxCOPY,FALSE);
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DoPaint(memdc);
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// blit it back
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dc.Blit(x0,y0,x1,y1,&memdc,x0,y0,wxCOPY,FALSE);
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#endif
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}
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// does the actual painting
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void
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wxLayoutWindow::DoPaint(wxDC &dc)
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{
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m_llist.EraseAndDraw(dc);
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m_llist.DrawCursor(dc);
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// FIXME: not strictly correct, this does only work for changes behind
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// the cursor position, not complete redraws
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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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ViewStart(&m_ViewStartX, &m_ViewStartY);
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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,m_ViewStartX,m_ViewStartY,true);
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//EnableScrolling(true,true);
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//Scroll(m_ViewStartX, m_ViewStartY);
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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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