/*-*- c++ -*-********************************************************
* wxLwindow.h : a scrolled Window for displaying/entering rich text*
* *
- * (C) 1998 by Karsten Ballüder (Ballueder@usa.net) *
+ * (C) 1998, 1999 by Karsten Ballüder (Ballueder@usa.net) *
* *
* $Id$
*******************************************************************/
+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
# pragma implementation "wxlwindow.h"
#endif
-#include "wxlwindow.h"
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+# pragma hdrstop
+#endif
+
+#include "Mpch.h"
+
+#ifdef M_BASEDIR
+# ifndef USE_PCH
+# include "Mcommon.h"
+# include "gui/wxMenuDefs.h"
+# include "gui/wxMApp.h"
+# endif // USE_PCH
+# include "gui/wxlwindow.h"
+# include "gui/wxlparser.h"
+#else
+# ifdef __WXMSW__
+# include <wx/msw/private.h>
+# endif
+
+# include "wxlwindow.h"
+# include "wxlparser.h"
+#endif
+
+#include <wx/clipbrd.h>
+#include <wx/textctrl.h>
+#include <wx/dataobj.h>
+
+#ifdef WXLAYOUT_USE_CARET
+# include <wx/caret.h>
+#endif // WXLAYOUT_USE_CARET
+
+#include <ctype.h>
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+#ifdef WXLAYOUT_DEBUG
+# define WXLO_DEBUG(x) wxLogDebug x
+#else
+# define WXLO_DEBUG(x)
+#endif
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
-#define VAR(x) cout << #x"=" << x << endl;
+/// offsets to put a nice frame around text
+#define WXLO_XOFFSET 4
+#define WXLO_YOFFSET 4
+
+/// offset to the right and bottom for when to redraw scrollbars
+#define WXLO_ROFFSET 20
+#define WXLO_BOFFSET 20
+
+/// the size of one scrollbar page in pixels
+static const int X_SCROLL_PAGE = 10;
+static const int Y_SCROLL_PAGE = 20;
+
+// ----------------------------------------------------------------------------
+// event tables
+// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxLayoutWindow,wxScrolledWindow)
- EVT_PAINT (wxLayoutWindow::OnPaint)
- EVT_CHAR (wxLayoutWindow::OnChar)
- EVT_LEFT_DOWN(wxLayoutWindow::OnMouse)
+ EVT_PAINT (wxLayoutWindow::OnPaint)
+ EVT_CHAR (wxLayoutWindow::OnChar)
+ EVT_KEY_UP (wxLayoutWindow::OnKeyUp)
+ EVT_LEFT_DOWN(wxLayoutWindow::OnLeftMouseClick)
+ EVT_RIGHT_DOWN(wxLayoutWindow::OnRightMouseClick)
+ EVT_LEFT_DCLICK(wxLayoutWindow::OnMouseDblClick)
+ EVT_MOTION (wxLayoutWindow::OnMouseMove)
+ EVT_MENU_RANGE(WXLOWIN_MENU_FIRST, WXLOWIN_MENU_LAST, wxLayoutWindow::OnMenu)
+ EVT_SET_FOCUS(wxLayoutWindow::OnSetFocus)
+ EVT_KILL_FOCUS(wxLayoutWindow::OnKillFocus)
END_EVENT_TABLE()
+// ===========================================================================
+// implementation
+// ===========================================================================
+
+/* LEAVE IT HERE UNTIL WXGTK WORKS AGAIN!!! */
+#ifdef __WXGTK__
+/// allows me to compare to wxPoints
+static bool operator != (wxPoint const &p1, wxPoint const &p2)
+{
+ return p1.x != p2.x || p1.y != p2.y;
+}
+#endif // __WXGTK__
+
+#ifndef wxWANTS_CHARS
+ #define wxWANTS_CHARS 0
+#endif
+
+// ----------------------------------------------------------------------------
+// wxLayoutWindow
+// ----------------------------------------------------------------------------
+
wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
- : wxScrolledWindow(parent)
+ : wxScrolledWindow(parent, -1,
+ wxDefaultPosition, wxDefaultSize,
+ wxHSCROLL | wxVSCROLL |
+ wxBORDER |
+ wxWANTS_CHARS)
{
- m_ScrollbarsSet = false;
- m_EventId = 0;
+ SetStatusBar(NULL); // don't use statusbar
+ m_Editable = false;
+ m_doSendEvents = false;
+ m_ViewStartX = 0; m_ViewStartY = 0;
+ m_DoPopupMenu = true;
+ m_PopupMenu = MakeFormatMenu();
+ m_memDC = new wxMemoryDC;
+ m_bitmap = new wxBitmap(4,4);
+ m_bitmapSize = wxPoint(4,4);
+ m_llist = new wxLayoutList();
+
+ m_BGbitmap = NULL;
+ m_ScrollToCursor = false;
+ SetWrapMargin(0);
+ wxPoint max = m_llist->GetSize();
+ SetScrollbars(X_SCROLL_PAGE, Y_SCROLL_PAGE,
+ max.x / X_SCROLL_PAGE + 1, max.y / Y_SCROLL_PAGE + 1);
+ EnableScrolling(true, true);
+ m_maxx = max.x + X_SCROLL_PAGE;
+ m_maxy = max.y + Y_SCROLL_PAGE;
+ m_Selecting = false;
+
+#ifdef WXLAYOUT_USE_CARET
+ // FIXME cursor size shouldn't be hardcoded
+ wxCaret *caret = new wxCaret(this, 2, 20);
+ SetCaret(caret);
+ m_llist->SetCaret(caret);
+ caret->Show();
+#endif // WXLAYOUT_USE_CARET
+
+ SetCursorVisibility(-1);
+ SetCursor(wxCURSOR_IBEAM);
+ SetDirty();
+}
+
+wxLayoutWindow::~wxLayoutWindow()
+{
+ delete m_memDC; // deletes bitmap automatically (?)
+ delete m_bitmap;
+ delete m_llist;
+ delete m_PopupMenu;
+ SetBackgroundBitmap(NULL);
}
void
-wxLayoutWindow::OnMouse(wxMouseEvent& event)
+wxLayoutWindow::Clear(int family,
+ int size,
+ int style,
+ int weight,
+ int underline,
+ wxColour *fg,
+ wxColour *bg)
{
- if(m_EventId == 0) // nothing to do
- return;
-
- // this is unintuitive
- wxClientDC dc(this);
+ GetLayoutList()->Clear(family,size,style,weight,underline,fg,bg);
+ SetBackgroundColour(GetLayoutList()->GetDefaultStyleInfo().GetBGColour());
+ ResizeScrollbars(true);
+ SetDirty();
+ SetModified(false);
+ wxScrolledWindow::Clear();
+ DoPaint((wxRect *)NULL);
+}
+
+void
+wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
+{
+ wxClientDC dc( this );
PrepareDC( dc );
+ if ( eventId != WXLOWIN_MENU_MOUSEMOVE )
+ {
+ // moving the mouse in a window shouldn't give it the focus!
+ SetFocus();
+ }
- m_FindPos.x = dc.DeviceToLogicalX( event.GetX() );
- m_FindPos.y = dc.DeviceToLogicalY( event.GetY() );
+ wxPoint findPos;
+ findPos.x = dc.DeviceToLogicalX(event.GetX());
+ findPos.y = dc.DeviceToLogicalY(event.GetY());
- m_FoundObject = NULL;
+ findPos.x -= WXLO_XOFFSET;
+ findPos.y -= WXLO_YOFFSET;
-#ifdef WXLAYOUT_DEBUG
- cerr << "OnMouse: " << m_FindPos.x << ',' << m_FindPos.y << endl;
-#endif
- Refresh();
- if(m_FoundObject)
+ if(findPos.x < 0) findPos.x = 0;
+ if(findPos.y < 0) findPos.y = 0;
+
+ m_ClickPosition = wxPoint(event.GetX(), event.GetY());
+
+ wxPoint cursorPos;
+ bool found;
+ wxLayoutObject *obj = m_llist->FindObjectScreen(dc, findPos,
+ &cursorPos, &found);
+ wxLayoutObject::UserData *u = obj ? obj->GetUserData() : NULL;
+
+ //has the mouse only been moved?
+ if(eventId == WXLOWIN_MENU_MOUSEMOVE)
{
- if(m_EventId)
+ // found is only true if we are really over an object, not just
+ // behind it
+ if(found && u && ! m_Selecting)
{
- wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, m_EventId);
+ if(!m_HandCursor)
+ SetCursor(wxCURSOR_HAND);
+ m_HandCursor = TRUE;
+ if(m_StatusBar && m_StatusFieldLabel != -1)
+ {
+ const wxString &label = u->GetLabel();
+ if(label.Length())
+ m_StatusBar->SetStatusText(label,
+ m_StatusFieldLabel);
+ }
+ }
+ else
+ {
+ if(m_HandCursor)
+ SetCursor(wxCURSOR_IBEAM);
+ m_HandCursor = FALSE;
+ if(m_StatusBar && m_StatusFieldLabel != -1)
+ m_StatusBar->SetStatusText("", m_StatusFieldLabel);
+ }
+ if(event.LeftIsDown())
+ {
+ if(! m_Selecting)
+ {
+ m_llist->StartSelection(wxPoint(-1, -1), m_ClickPosition);
+ m_Selecting = true;
+ DoPaint(); // TODO: we don't have to redraw everything!
+ }
+ else
+ {
+ m_llist->ContinueSelection(cursorPos, m_ClickPosition);
+ DoPaint(); // TODO: we don't have to redraw everything!
+ }
+ }
+ if(m_Selecting && ! event.LeftIsDown())
+ {
+ m_llist->EndSelection(cursorPos, m_ClickPosition);
+ m_Selecting = false;
+ DoPaint(); // TODO: we don't have to redraw everything!
+ }
+
+ if ( u )
+ {
+ u->DecRef();
+ u = NULL;
+ }
+ }
+ else if(eventId == WXLOWIN_MENU_LCLICK)
+ {
+ // always move cursor to mouse click:
+ m_llist->MoveCursorTo(cursorPos);
+
+ // clicking a mouse removes the selection
+ if ( m_llist->HasSelection() )
+ {
+ m_llist->DiscardSelection();
+ DoPaint(); // TODO: we don't have to redraw everything!
+ }
+
+ // Calculate where the top of the visible area is:
+ int x0, y0;
+ ViewStart(&x0,&y0);
+ int dx, dy;
+ GetScrollPixelsPerUnit(&dx, &dy);
+ x0 *= dx; y0 *= dy;
+
+ wxPoint offset(-x0+WXLO_XOFFSET, -y0+WXLO_YOFFSET);
+ m_llist->UpdateCursorScreenPos(dc, true, offset);
+
+ if(m_CursorVisibility == -1)
+ m_CursorVisibility = 1;
+
+ // VZ: this should be unnecessary because mouse can only click on a
+ // visible part of the canvas
+#if 0
+ ScrollToCursor();
+#endif // 0
+
+#ifdef __WXGTK__
+ DoPaint(); // DoPaint suppresses flicker under GTK
+#endif // wxGTK
+ }
+
+ // notify about mouse events?
+ if( m_doSendEvents )
+ {
+ // only do the menu if activated, editable and not on a clickable object
+ if(eventId == WXLOWIN_MENU_RCLICK
+ && IsEditable()
+ && (! obj || u == NULL))
+ {
+ PopupMenu(m_PopupMenu, m_ClickPosition.x, m_ClickPosition.y);
+ if(u) u->DecRef();
+ return;
+ }
+
+ // find the object at this position
+ if(obj)
+ {
+ wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, eventId);
commandEvent.SetEventObject( this );
- commandEvent.SetClientData((char *)m_FoundObject);
- m_ClickPosition = wxPoint(event.GetX(), event.GetY());
+ commandEvent.SetClientData((char *)obj);
GetEventHandler()->ProcessEvent(commandEvent);
}
}
+
+ if( u )
+ u->DecRef();
}
/*
- * some simple keyboard handling
+ * Some simple keyboard handling.
*/
void
wxLayoutWindow::OnChar(wxKeyEvent& event)
{
- if(! m_llist.IsEditable()) // do nothing
+ int keyCode = event.KeyCode();
+
+#ifdef WXLAYOUT_DEBUG
+ if(keyCode == WXK_F1)
{
- event.Skip();
+ m_llist->Debug();
return;
}
-
- long keyCode = event.KeyCode();
- wxPoint p;
-
- switch(event.KeyCode())
+#endif
+
+ if(! m_Selecting && event.ShiftDown())
{
+ switch(keyCode)
+ {
+ case WXK_UP:
+ case WXK_DOWN:
case WXK_RIGHT:
- m_llist.MoveCursor(1);
+ case WXK_LEFT:
+ case WXK_PRIOR:
+ case WXK_NEXT:
+ case WXK_HOME:
+ case WXK_END:
+ m_Selecting = true;
+ m_llist->StartSelection();
+ break;
+ default:
+ ;
+ }
+ }
+
+ // If needed, make cursor visible:
+ if(m_CursorVisibility == -1)
+ m_CursorVisibility = 1;
+
+ /* These two nested switches work like this:
+ The first one processes all non-editing keycodes, to move the
+ cursor, etc. It's default will process all keycodes causing
+ modifications to the buffer, but only if editing is allowed.
+ */
+ bool ctrlDown = event.ControlDown();
+ switch(keyCode)
+ {
+ case WXK_RIGHT:
+ if ( ctrlDown )
+ m_llist->MoveCursorWord(1);
+ else
+ m_llist->MoveCursorHorizontally(1);
break;
case WXK_LEFT:
- m_llist.MoveCursor(-1);
+ if ( ctrlDown )
+ m_llist->MoveCursorWord(-1);
+ else
+ m_llist->MoveCursorHorizontally(-1);
break;
case WXK_UP:
- m_llist.MoveCursor(0,-1);
+ m_llist->MoveCursorVertically(-1);
break;
case WXK_DOWN:
- m_llist.MoveCursor(0,1);
+ m_llist->MoveCursorVertically(1);
break;
case WXK_PRIOR:
- m_llist.MoveCursor(0,-20);
+ m_llist->MoveCursorVertically(-Y_SCROLL_PAGE);
break;
case WXK_NEXT:
- m_llist.MoveCursor(0,20);
+ m_llist->MoveCursorVertically(Y_SCROLL_PAGE);
break;
case WXK_HOME:
- p = m_llist.GetCursor();
- p.x = 0;
- m_llist.SetCursor(p);
+ if ( ctrlDown )
+ m_llist->MoveCursorTo(wxPoint(0, 0));
+ else
+ m_llist->MoveCursorToBeginOfLine();
break;
case WXK_END:
- p = m_llist.GetCursor();
- p.x = m_llist.GetLineLength(m_llist.FindCurrentObject(NULL));
- m_llist.SetCursor(p);
- break;
- case WXK_DELETE :
- m_llist.Delete(1);
- break;
- case WXK_BACK: // backspace
- m_llist.MoveCursor(-1);
- m_llist.Delete(1);
+ if ( ctrlDown )
+ m_llist->MoveCursorTo(m_llist->GetSize());
+ else
+ m_llist->MoveCursorToEndOfLine();
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)
+ if(keyCode == 'c' && ctrlDown)
{
- String tmp;
- tmp += keyCode;
- m_llist.Insert(tmp);
+ // this should work even in read-only mode
+ Copy();
+ }
+ else if( IsEditable() )
+ {
+ /* First, handle control keys */
+ if(event.ControlDown() && ! event.AltDown())
+ {
+ switch(keyCode)
+ {
+ case WXK_INSERT:
+ Copy();
+ break;
+ case WXK_DELETE :
+ case 'd':
+ m_llist->Delete(1);
+ break;
+ case 'y':
+ m_llist->DeleteLines(1);
+ break;
+ case 'h': // like backspace
+ if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1);
+ break;
+ case 'u':
+ m_llist->DeleteToBeginOfLine();
+ break;
+ case 'k':
+ m_llist->DeleteToEndOfLine();
+ break;
+ case 'v':
+ Paste();
+ break;
+ case 'x':
+ Cut();
+ break;
+#ifdef WXLAYOUT_DEBUG
+ case WXK_F1:
+ m_llist->SetFont(-1,-1,-1,-1,true); // underlined
+ break;
+#endif
+ default:
+ ;
+ }
+ }
+ // ALT only:
+ else if( event.AltDown() && ! event.ControlDown() )
+ {
+ switch(keyCode)
+ {
+ case WXK_DELETE:
+ case 'd':
+ m_llist->DeleteWord();
+ break;
+ default:
+ ;
+ }
+ }
+ // no control keys:
+ else if ( ! event.AltDown() && ! event.ControlDown())
+ {
+ switch(keyCode)
+ {
+ case WXK_INSERT:
+ if(event.ShiftDown())
+ Paste();
+ break;
+ case WXK_DELETE :
+ if(event.ShiftDown())
+ Cut();
+ else
+ m_llist->Delete(1);
+ break;
+ case WXK_BACK: // backspace
+ if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1);
+ break;
+ case WXK_RETURN:
+ if(m_WrapMargin > 0)
+ m_llist->WrapLine(m_WrapMargin);
+ m_llist->LineBreak();
+ break;
+ default:
+ if((!(event.ControlDown() || event.AltDown() || event.MetaDown()))
+ && (keyCode < 256 && keyCode >= 32)
+ )
+ {
+ if(m_WrapMargin > 0 && isspace(keyCode))
+ m_llist->WrapLine(m_WrapMargin);
+ m_llist->Insert((char)keyCode);
+ }
+ break;
+ }
+ }
+ SetDirty();
+ SetModified();
+ }// if(IsEditable())
+ }// first switch()
+ if(m_Selecting)
+ {
+ if(event.ShiftDown())
+ m_llist->ContinueSelection();
+ else
+ {
+ m_llist->EndSelection();
+ m_Selecting = false;
}
- break;
}
- Refresh();
- UpdateScrollbars();
+
+ // we must call ResizeScrollbars() before ScrollToCursor(), otherwise the
+ // ne cursor position might be outside the current scrolllbar range
+ ResizeScrollbars();
+ ScrollToCursor();
+
+ // refresh the screen
+ DoPaint(m_llist->GetUpdateRect());
}
void
-wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)w) // or: OnDraw(wxDC& dc)
+wxLayoutWindow::OnKeyUp(wxKeyEvent& event)
{
- wxPaintDC dc( this ); // only when used as OnPaint for OnDraw we
- PrepareDC( dc ); // can skip the first two lines
+ if(event.KeyCode() == WXK_SHIFT && m_llist->IsSelecting())
+ {
+ m_llist->EndSelection();
+ m_Selecting = false;
+ }
+ event.Skip();
+}
+
+
+void
+wxLayoutWindow::ScrollToCursor(void)
+{
+ wxClientDC dc( this );
+ PrepareDC( dc );
+
+ int x0,y0,x1,y1, dx, dy;
+
+ // Calculate where the top of the visible area is:
+ ViewStart(&x0,&y0);
+ GetScrollPixelsPerUnit(&dx, &dy);
+ x0 *= dx; y0 *= dy;
+
+ WXLO_DEBUG(("ScrollToCursor: ViewStart is %d/%d", x0, y0));
- if(m_EventId) // look for keyclicks
- m_FoundObject = m_llist.Draw(dc,true,m_FindPos);
+ // Get the size of the visible window:
+ GetClientSize(&x1,&y1);
+
+ // notice that the client size may be (0, 0)...
+ wxASSERT(x1 >= 0 && y1 >= 0);
+
+ // VZ: I think this is false - if you do it here, ResizeScrollbars() won't
+ // call SetScrollbars() later
+#if 0
+ // As we have the values anyway, use them to avoid unnecessary scrollbar
+ // updates.
+ if(x1 > m_maxx) m_maxx = x1;
+ if(y1 > m_maxy) m_maxy = y1;
+#endif // 0
+
+ // Make sure that the scrollbars are at a position so that the cursor is
+ // visible if we are editing
+ WXLO_DEBUG(("m_ScrollToCursor = %d", (int) m_ScrollToCursor));
+ wxPoint cc = m_llist->GetCursorScreenPos(dc);
+
+ // the cursor should be completely visible in both directions
+ wxPoint cs(m_llist->GetCursorSize());
+ int nx = -1,
+ ny = -1;
+ if ( cc.x < x0 || cc.x >= x0 + x1 - cs.x )
+ {
+ nx = cc.x - x1/2;
+ if ( nx < 0 )
+ nx = 0;
+ }
+
+ if ( cc.y < y0 || cc.y >= y0 + y1 - cs.y )
+ {
+ ny = cc.y - y1/2;
+ if ( ny < 0)
+ ny = 0;
+ }
+
+ if ( nx != -1 || ny != -1 )
+ {
+ // set new view start
+ Scroll(nx == -1 ? -1 : (nx+dx-1)/dx, ny == -1 ? -1 : (ny+dy-1)/dy);
+
+ // avoid recursion
+ m_ScrollToCursor = false;
+ }
+}
+
+void
+wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event))
+{
+ wxRect region = GetUpdateRegion().GetBox();
+ InternalPaint(®ion);
+}
+
+void
+wxLayoutWindow::DoPaint(const wxRect *updateRect)
+{
+#ifndef __WXMSW__
+ InternalPaint(updateRect);
+#else
+ Refresh(FALSE, updateRect); // Causes bad flicker under wxGTK!!!
+
+ if ( !::UpdateWindow(GetHwnd()) )
+ wxLogLastError("UpdateWindow");
+#endif
+}
+
+void
+wxLayoutWindow::InternalPaint(const wxRect *updateRect)
+{
+ wxPaintDC dc( this );
+ PrepareDC( dc );
+
+#ifdef WXLAYOUT_USE_CARET
+ // hide the caret before drawing anything
+ GetCaret()->Hide();
+#endif // WXLAYOUT_USE_CARET
+
+ int x0,y0,x1,y1, dx, dy;
+
+ // Calculate where the top of the visible area is:
+ ViewStart(&x0,&y0);
+ GetScrollPixelsPerUnit(&dx, &dy);
+ x0 *= dx; y0 *= dy;
+
+ // Get the size of the visible window:
+ GetClientSize(&x1,&y1);
+ wxASSERT(x1 >= 0);
+ wxASSERT(y1 >= 0);
+
+ if(updateRect)
+ {
+ WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
+ updateRect->x, updateRect->y,
+ updateRect->x+updateRect->width,
+ updateRect->y+updateRect->height));
+ }
+ if(IsDirty())
+ {
+ m_llist->Layout(dc);
+ ResizeScrollbars();
+ }
+ /* Check whether the window has grown, if so, we need to reallocate
+ the bitmap to be larger. */
+ if(x1 > m_bitmapSize.x || y1 > m_bitmapSize.y)
+ {
+ wxASSERT(m_bitmapSize.x > 0);
+ wxASSERT(m_bitmapSize.y > 0);
+
+ m_memDC->SelectObject(wxNullBitmap);
+ delete m_bitmap;
+ m_bitmapSize = wxPoint(x1,y1);
+ m_bitmap = new wxBitmap(x1,y1);
+ m_memDC->SelectObject(*m_bitmap);
+ }
+
+ m_memDC->SetDeviceOrigin(0,0);
+ m_memDC->SetBrush(wxBrush(m_llist->GetDefaultStyleInfo().GetBGColour(),wxSOLID));
+ m_memDC->SetPen(wxPen(m_llist->GetDefaultStyleInfo().GetBGColour(),
+ 0,wxTRANSPARENT));
+ m_memDC->SetLogicalFunction(wxCOPY);
+ m_memDC->Clear();
+
+ // fill the background with the background bitmap
+ if(m_BGbitmap)
+ {
+ CoordType
+ y, x,
+ w = m_BGbitmap->GetWidth(),
+ h = m_BGbitmap->GetHeight();
+ for(y = 0; y < y1; y+=h)
+ for(x = 0; x < x1; x+=w)
+ m_memDC->DrawBitmap(*m_BGbitmap, x, y);
+ m_memDC->SetBackgroundMode(wxTRANSPARENT);
+ }
+
+ // This is the important bit: we tell the list to draw itself
+#if WXLO_DEBUG_URECT
+ if(updateRect)
+ {
+ WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
+ updateRect->x, updateRect->y,
+ updateRect->x+updateRect->width,
+ updateRect->y+updateRect->height));
+ }
+#endif
+
+ // Device origins on the memDC are suspect, we translate manually
+ // with the translate parameter of Draw().
+ wxPoint offset(-x0+WXLO_XOFFSET,-y0+WXLO_YOFFSET);
+ m_llist->Draw(*m_memDC,offset, y0, y0+y1);
+
+ // We start calculating a new update rect before drawing the
+ // cursor, so that the cursor coordinates get included in the next
+ // update rectangle (although they are drawn on the memDC, this is
+ // needed to erase it):
+ m_llist->InvalidateUpdateRect();
+ if(m_CursorVisibility != 0)
+ {
+ m_llist->UpdateCursorScreenPos(dc, true, offset);
+ m_llist->DrawCursor(*m_memDC,
+ m_HaveFocus && IsEditable(), // draw a thick
+ // cursor for editable windows with focus
+ offset);
+ }
+
+// Now copy everything to the screen:
+#if 0
+ // This somehow doesn't work, but even the following bit with the
+ // whole rect at once is still a bit broken I think.
+ wxRegionIterator ri ( GetUpdateRegion() );
+ if(ri)
+ while(ri)
+ {
+ WXLO_DEBUG(("UpdateRegion: %ld,%ld, %ld,%ld",
+ ri.GetX(),ri.GetY(),ri.GetW(),ri.GetH()));
+ dc.Blit(x0+ri.GetX(),y0+ri.GetY(),ri.GetW(),ri.GetH(),
+ m_memDC,ri.GetX(),ri.GetY(),wxCOPY,FALSE);
+ ri++;
+ }
else
- m_llist.Draw(dc);
- if(! m_ScrollbarsSet)
+#endif
{
- m_ScrollbarsSet = true; // avoid recursion
- UpdateScrollbars();
+ // FIXME: Trying to copy only the changed parts, but it does not seem
+ // to work:
+// x0 = updateRect->x; y0 = updateRect->y;
+// if(updateRect->height < y1)
+// y1 = updateRect->height;
+// y1 += WXLO_YOFFSET; //FIXME might not be needed
+ dc.Blit(x0,y0,x1,y1,m_memDC,0,0,wxCOPY,FALSE);
+ }
+
+#ifdef WXLAYOUT_USE_CARET
+ // show the caret back after everything is redrawn
+ m_caret->Show();
+#endif // WXLAYOUT_USE_CARET
+
+ ResetDirty();
+ m_ScrollToCursor = false;
+
+ if ( m_StatusBar && m_StatusFieldCursor != -1 )
+ {
+ static wxPoint s_oldCursorPos(-1, -1);
+
+ wxPoint pos(m_llist->GetCursorPos());
+
+ // avoid unnecessary status bar refreshes
+ if ( pos != s_oldCursorPos )
+ {
+ s_oldCursorPos = pos;
+
+ wxString label;
+ label.Printf(_("Ln:%d Col:%d"), pos.y + 1, pos.x + 1);
+ m_StatusBar->SetStatusText(label, m_StatusFieldCursor);
+ }
}
}
+// change the range and position of scrollbars
void
-wxLayoutWindow::UpdateScrollbars(void)
+wxLayoutWindow::ResizeScrollbars(bool exact)
{
- 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);
+ wxPoint max = m_llist->GetSize();
+
+ WXLO_DEBUG(("ResizeScrollbars: max size = (%ld, %ld)",
+ (long int)max.x, (long int) max.y));
+
+ if( max.x > m_maxx - WXLO_ROFFSET || max.y > m_maxy - WXLO_BOFFSET || exact )
+ {
+ if ( !exact )
+ {
+ // add an extra bit to the sizes to avoid future updates
+ max.x += WXLO_ROFFSET;
+ max.y += WXLO_BOFFSET;
+ }
+
+ ViewStart(&m_ViewStartX, &m_ViewStartY);
+ SetScrollbars(X_SCROLL_PAGE, Y_SCROLL_PAGE,
+ max.x / X_SCROLL_PAGE + 1, max.y / Y_SCROLL_PAGE + 1,
+ m_ViewStartX, m_ViewStartY,
+ true);
+
+ m_maxx = max.x + X_SCROLL_PAGE;
+ m_maxy = max.y + Y_SCROLL_PAGE;
+ }
}
void
-wxLayoutWindow::Print(void)
+wxLayoutWindow::Paste(void)
+{
+ // Read some text
+ if (wxTheClipboard->Open())
+ {
+#if wxUSE_PRIVATE_CLIPBOARD_FORMAT
+ wxLayoutDataObject wxldo;
+ if (wxTheClipboard->IsSupported( wxldo.GetFormat() ))
+ {
+ wxTheClipboard->GetData(&wxldo);
+ {
+ }
+ //FIXME: missing functionality m_llist->Insert(wxldo.GetList());
+ }
+ else
+#endif
+ {
+ wxTextDataObject data;
+ if (wxTheClipboard->IsSupported( data.GetFormat() ))
+ {
+ wxTheClipboard->GetData(&data);
+ wxString text = data.GetText();
+ wxLayoutImportText( m_llist, text);
+ }
+ }
+ wxTheClipboard->Close();
+ }
+
+#if 0
+ /* My attempt to get the primary selection, but it does not
+ work. :-( */
+ if(text.Length() == 0)
+ {
+ wxTextCtrl tmp_tctrl(this,-1);
+ tmp_tctrl.Paste();
+ text += tmp_tctrl.GetValue();
+ }
+#endif
+}
+
+bool
+wxLayoutWindow::Copy(bool invalidate)
+{
+ // Calling GetSelection() will automatically do an EndSelection()
+ // on the list, but we need to take a note of it, too:
+ if(m_Selecting)
+ {
+ m_Selecting = false;
+ m_llist->EndSelection();
+ }
+
+ wxLayoutDataObject wldo;
+ wxLayoutList *llist = m_llist->GetSelection(&wldo, invalidate);
+ if(! llist)
+ return FALSE;
+ // Export selection as text:
+ wxString text;
+ wxLayoutExportObject *export;
+ wxLayoutExportStatus status(llist);
+ while((export = wxLayoutExport( &status, WXLO_EXPORT_AS_TEXT)) != NULL)
+ {
+ if(export->type == WXLO_EXPORT_TEXT)
+ text << *(export->content.text);
+ delete export;
+ }
+ delete llist;
+
+ // The exporter always appends a newline, so we chop it off if it
+ // is there:
+ {
+ size_t len = text.Length();
+ if(len > 2 && text[len-2] == '\r') // Windows
+ text = text.Mid(0,len-2);
+ else if(len > 1 && text[len-1] == '\n')
+ text = text.Mid(0,len-1);
+ }
+
+
+ if (wxTheClipboard->Open())
+ {
+ wxTextDataObject *data = new wxTextDataObject( text );
+ bool rc = wxTheClipboard->SetData( data );
+#if wxUSE_PRIVATE_CLIPBOARD_FORMAT
+ rc |= wxTheClipboard->AddData( &wldo );
+#endif
+ wxTheClipboard->Close();
+ return rc;
+ }
+
+ return FALSE;
+}
+
+bool
+wxLayoutWindow::Cut(void)
{
- VAR(wxThePrintSetupData);
+ if(Copy(false)) // do not invalidate selection after copy
+ {
+ m_llist->DeleteSelection();
+ return TRUE;
+ }
+ else
+ return FALSE;
+}
+bool
+wxLayoutWindow::Find(const wxString &needle,
+ wxPoint * fromWhere)
+{
+ wxPoint found;
- wxPostScriptDC dc("layout.ps",true,this);
- if (dc.Ok() && dc.StartDoc((char *)_("Printing message...")))
+ if(fromWhere == NULL)
+ found = m_llist->FindText(needle, m_llist->GetCursorPos());
+ else
+ found = m_llist->FindText(needle, *fromWhere);
+ if(found.x != -1)
{
- //dc.SetUserScale(1.0, 1.0);
- m_llist.Draw(dc);
- dc.EndDoc();
+ if(fromWhere)
+ {
+ *fromWhere = found;
+ fromWhere->x ++;
+ }
+ m_llist->MoveCursorTo(found);
+ ScrollToCursor();
+ return true;
}
+ return false;
+}
+
+wxMenu *
+wxLayoutWindow::MakeFormatMenu()
+{
+ wxMenu *m = new wxMenu(_("Layout Menu"));
+
+ m->Append(WXLOWIN_MENU_LARGER ,_("&Larger"),_("Switch to larger font."), false);
+ m->Append(WXLOWIN_MENU_SMALLER ,_("&Smaller"),_("Switch to smaller font."), false);
+ m->AppendSeparator();
+ m->Append(WXLOWIN_MENU_UNDERLINE_ON, _("&Underline on"),_("Activate underline mode."), false);
+ m->Append(WXLOWIN_MENU_UNDERLINE_OFF,_("&Underline off"),_("Deactivate underline mode."), false);
+ m->Append(WXLOWIN_MENU_BOLD_ON ,_("&Bold on"),_("Activate bold mode."), false);
+ m->Append(WXLOWIN_MENU_BOLD_OFF ,_("&Bold off"),_("Deactivate bold mode."), false);
+ m->Append(WXLOWIN_MENU_ITALICS_ON ,_("&Italics on"),_("Activate italics mode."), false);
+ m->Append(WXLOWIN_MENU_ITALICS_OFF ,_("&Italics off"),_("Deactivate italics mode."), false);
+ m->AppendSeparator();
+ m->Append(WXLOWIN_MENU_ROMAN ,_("&Roman"),_("Switch to roman font."), false);
+ m->Append(WXLOWIN_MENU_TYPEWRITER,_("&Typewriter"),_("Switch to typewriter font."), false);
+ m->Append(WXLOWIN_MENU_SANSSERIF ,_("&Sans Serif"),_("Switch to sans serif font."), false);
+ return m;
+}
+
+void wxLayoutWindow::OnMenu(wxCommandEvent& event)
+{
+ switch (event.GetId())
+ {
+ case WXLOWIN_MENU_LARGER:
+ m_llist->SetFontLarger(); break;
+ case WXLOWIN_MENU_SMALLER:
+ m_llist->SetFontSmaller(); break;
+ case WXLOWIN_MENU_UNDERLINE_ON:
+ m_llist->SetFontUnderline(true); break;
+ case WXLOWIN_MENU_UNDERLINE_OFF:
+ m_llist->SetFontUnderline(false); break;
+ case WXLOWIN_MENU_BOLD_ON:
+ m_llist->SetFontWeight(wxBOLD); break;
+ case WXLOWIN_MENU_BOLD_OFF:
+ m_llist->SetFontWeight(wxNORMAL); break;
+ case WXLOWIN_MENU_ITALICS_ON:
+ m_llist->SetFontStyle(wxITALIC); break;
+ case WXLOWIN_MENU_ITALICS_OFF:
+ m_llist->SetFontStyle(wxNORMAL); break;
+ case WXLOWIN_MENU_ROMAN:
+ m_llist->SetFontFamily(wxROMAN); break;
+ case WXLOWIN_MENU_TYPEWRITER:
+ m_llist->SetFontFamily(wxFIXED); break;
+ case WXLOWIN_MENU_SANSSERIF:
+ m_llist->SetFontFamily(wxSWISS); break;
+ }
+}
+
+void
+wxLayoutWindow::OnSetFocus(wxFocusEvent &ev)
+{
+ m_HaveFocus = true;
+ ev.Skip();
+}
+
+void
+wxLayoutWindow::OnKillFocus(wxFocusEvent &ev)
+{
+ m_HaveFocus = false;
+ ev.Skip();
}
projects / wxWidgets.git / blobdiff