/*-*- 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) *
* *
* $Id$
*******************************************************************/
//#include "Mpch.h"
-#ifdef M_BASEDIR
+#ifdef M_PREFIX
# ifndef USE_PCH
# include "Mcommon.h"
# include "gui/wxMenuDefs.h"
+# include "gui/wxMApp.h"
# endif // USE_PCH
# include "gui/wxlwindow.h"
#else
+# ifdef __WXMSW__
+# include <windows.h>
+
+# undef FindWindow
+# undef GetCharWidth
+# undef StartDoc
+# endif
+
# include "wxlwindow.h"
# define TRACEMESSAGE(x)
#endif
-# define WXL_VAR(x) cerr << #x " = " << x ;
+# define WXL_VAR(x) { wxString s; s << #x " = " << x; wxLogDebug(s); }
BEGIN_EVENT_TABLE(wxLayoutWindow,wxScrolledWindow)
EVT_PAINT (wxLayoutWindow::OnPaint)
EVT_LEFT_DOWN(wxLayoutWindow::OnLeftMouseClick)
EVT_RIGHT_DOWN(wxLayoutWindow::OnRightMouseClick)
EVT_LEFT_DCLICK(wxLayoutWindow::OnMouseDblClick)
+ EVT_MENU(WXLOWIN_MENU_LARGER, wxLayoutWindow::OnMenu)
+ EVT_MENU(WXLOWIN_MENU_SMALLER, wxLayoutWindow::OnMenu)
+ EVT_MENU(WXLOWIN_MENU_UNDERLINE, wxLayoutWindow::OnMenu)
+ EVT_MENU(WXLOWIN_MENU_BOLD, wxLayoutWindow::OnMenu)
+ EVT_MENU(WXLOWIN_MENU_ITALICS, wxLayoutWindow::OnMenu)
+ EVT_MENU(WXLOWIN_MENU_ROMAN, wxLayoutWindow::OnMenu)
+ EVT_MENU(WXLOWIN_MENU_TYPEWRITER, wxLayoutWindow::OnMenu)
+ EVT_MENU(WXLOWIN_MENU_SANSSERIF, wxLayoutWindow::OnMenu)
+ EVT_SET_FOCUS(wxLayoutWindow::OnSetFocus)
+ EVT_KILL_FOCUS(wxLayoutWindow::OnKillFocus)
END_EVENT_TABLE()
wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
wxHSCROLL | wxVSCROLL | wxBORDER)
{
- m_ScrollbarsSet = false;
m_doSendEvents = false;
m_ViewStartX = 0; m_ViewStartY = 0;
-
-
+ m_DoPopupMenu = true;
+ m_PopupMenu = NULL;
+ m_memDC = new wxMemoryDC;
+ m_bitmap = new wxBitmap(4,4);
+ m_bitmapSize = wxPoint(4,4);
+
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);
+ m_maxx = max_x; m_maxy = max_y; m_lineHeight = lineHeight;
+}
+
+wxLayoutWindow::~wxLayoutWindow()
+{
+ delete m_memDC; // deletes bitmap automatically (?)
+ delete m_bitmap;
+ if(m_PopupMenu) delete m_PopupMenu;
}
#ifdef __WXMSW__
long
wxLayoutWindow::MSWGetDlgCode()
{
- // if we don't return this, we won't get OnChar() events
+ // if we don't return this, we won't get OnChar() events for TABs and ENTER
return DLGC_WANTCHARS | DLGC_WANTARROWS | DLGC_WANTMESSAGE;
}
#endif //MSW
void
wxLayoutWindow::Update(void)
{
- wxClientDC dc(this);
- PrepareDC(dc);
if(IsDirty())
{
- DoPaint(dc);
UpdateScrollbars();
- ResetDirty();
+ DoPaint();
}
- m_llist.DrawCursor(dc);
+ else
+ DoPaint(true); // only the cursor
+ return;
}
void
wxPaintDC dc( this );
PrepareDC( dc );
SetFocus();
-
+
wxPoint findPos;
findPos.x = dc.DeviceToLogicalX(event.GetX());
findPos.y = dc.DeviceToLogicalY(event.GetY());
TRACEMESSAGE(("wxLayoutWindow::OnMouse: (%d, %d) -> (%d, %d)",
event.GetX(), event.GetY(), findPos.x, findPos.y));
- // find the object at this position
+ m_ClickPosition = findPos;
wxLayoutObjectBase *obj = m_llist.Find(findPos);
+
+ // only do the menu if activated, editable and not on a clickable object
+ if(eventId == WXLOWIN_MENU_RCLICK
+ && m_DoPopupMenu
+ && m_llist.IsEditable()
+ && obj && obj->GetUserData() == NULL)
+ {
+ // when does this menu get freed?
+ // how do we handle toggling? FIXME
+ PopupMenu(MakeFormatMenu(), event.GetX(), event.GetY());
+ return;
+ }
+ // find the object at this position
if(obj)
{
- wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, eventId);
+ wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, eventId);
commandEvent.SetEventObject( this );
commandEvent.SetClientData((char *)obj);
GetEventHandler()->ProcessEvent(commandEvent);
}
}
+void
+wxLayoutWindow::DeleteToEndOfLine(void)
+{
+ int help = m_llist.GetLineLength(
+ m_llist.GetCurrentObject())
+ - m_llist.GetCursor().x;
+ m_llist.Delete(help>1 ? help-1 : 1);
+}
+
+void
+wxLayoutWindow::GotoEndOfLine(void)
+{
+ wxPoint p = m_llist.GetCursor();
+ p.x = m_llist.GetLineLength(m_llist.GetCurrentObject());
+ if(p.x > 0) p.x --; // do not count the linebreak
+ m_llist.SetCursor(p);
+}
+
+void
+wxLayoutWindow::GotoBeginOfLine(void)
+{
+ wxPoint p = m_llist.GetCursor();
+ p.x = 0;
+ m_llist.SetCursor(p);
+}
+
+void
+wxLayoutWindow::DeleteLine(void)
+{
+ GotoBeginOfLine();
+ DeleteToEndOfLine();
+ m_llist.Delete(1); // newline
+}
+
+void
+wxLayoutWindow::DeleteToBeginOfLine(void)
+{
+ wxPoint p = m_llist.GetCursor();
+ int count = p.x;
+ if(count > 0)
+ {
+ p.x = 0;
+ m_llist.SetCursor(p);
+ m_llist.Delete(count);
+ }
+}
+
+
+void
+wxLayoutWindow::ScrollToCursor(void)
+{
+ /** Scroll so that cursor is visible! */
+ int x0,y0,x1,y1,ux,uy;
+ ViewStart(&x0,&y0);
+ GetScrollPixelsPerUnit(&ux,&uy);
+ x0*=ux; y0*=uy;
+ GetClientSize(&x1,&y1);
+
+ wxPoint cc = m_llist.GetCursorCoords();
+
+ if(cc.x < x0 || cc.y < y0
+ || cc.x >= x0+(9*x1)/10 || cc.y >= y0+(9*y1/10)) // (9*x)/10 == 90%
+ {
+ int nx, ny;
+ nx = cc.x - (8*x1)/10; if(nx < 0) nx = 0;
+ ny = cc.y - (8*y1)/10; if(ny < 0) ny = 0;
+ Scroll(nx/ux,ny/uy);
+ }
+}
+
/*
* some simple keyboard handling
*/
}
long keyCode = event.KeyCode();
- wxPoint p;
- CoordType help;
-
- switch(event.KeyCode())
+
+ /* First, handle control keys */
+ if(event.ControlDown())
{
- 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_HOME:
- p = m_llist.GetCursor();
- p.x = 0;
- m_llist.SetCursor(p);
- 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 :
- if(event.ControlDown()) // delete to end of line
+ switch(event.KeyCode())
{
- help = m_llist.GetLineLength(
- m_llist.FindCurrentObject(NULL))
- - m_llist.GetCursor().x;
- m_llist.Delete(help ? help : 1);
- }
- else
- m_llist.Delete(1);
- break;
- case WXK_BACK: // backspace
- if(m_llist.MoveCursor(-1)) {
- m_llist.Delete(1);
+ case WXK_DELETE :
+ case 'k':
+ DeleteToEndOfLine(); break;
+ case 'd':
+ m_llist.Delete(1); break;
+ case 'y':
+ DeleteLine(); break;
+ case 'h': // like backspace
+ if(m_llist.MoveCursor(-1))
+ m_llist.Delete(1);
+ break;
+ case 'u':
+ DeleteToBeginOfLine(); break;
+ default:
+ ;
}
- break;
- case WXK_RETURN:
- m_llist.LineBreak();
- break;
+ }
+ else // no control keys
+ {
+ 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_HOME:
+ GotoBeginOfLine();
+ break;
+ case WXK_END:
+ GotoEndOfLine();
+ break;
+ case WXK_DELETE :
+ if(event.ControlDown()) // delete to end of line
+ DeleteToEndOfLine();
+ else
+ m_llist.Delete(1);
+ break;
+ case WXK_BACK: // backspace
+ if(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;
+ case WXK_F1:
+ m_llist.Debug();
+ break;
+ case WXK_F2:
+ m_llist.WrapLine();
+ break;
#endif
- default:
- if(keyCode < 256 && keyCode >= 32)
- {
- String tmp;
- tmp += keyCode;
- m_llist.Insert(tmp);
+ default:
+ if((!(event.ControlDown() || event.AltDown() || event.MetaDown()))
+ && (keyCode < 256 && keyCode >= 32)
+ )
+ {
+ String tmp;
+ tmp += keyCode;
+ m_llist.Insert(tmp);
+ m_llist.WrapLine();
+ }
+ break;
}
- break;
}
- /** Scroll so that cursor is visible! */
- int x0,y0,x1,y1,ux,uy;
- ViewStart(&x0,&y0);
- GetScrollPixelsPerUnit(&ux,&uy);
- x0*=ux; y0*=uy;
- GetClientSize(&x1,&y1);
-
- wxPoint cc = m_llist.GetCursorCoords();
- int nx = x0, ny = y0;
- // when within 10% of borders, scroll to center
- if(cc.y > y0+(9*y1)/10)
- ny = cc.y - y1/5;
- else if (cc.y < y0+y1/10)
- {
- ny = cc.y-y1/2;
- if(ny < 0) ny = 0;
- }
- if(cc.x > x0+(9*x1)/10)
- nx = cc.x - x1/5;
- else if (cc.x < x0+x1/10)
- {
- nx = cc.x-x1/2;
- if(nx < 0) nx = 0;
- }
- Scroll(nx,ny);
-
+ ScrollToCursor();
Update();
+ ScrollToCursor();
}
void
wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)) // or: OnDraw(wxDC& dc)
{
- wxPaintDC dc( this );
- PrepareDC( dc );
-
- DoPaint(dc);
-
-// wxGTK: wxMemoryDC broken?
-#if 0
- int x0,y0,x1,y1;
- ViewStart(&x0,&y0);
- GetSize(&x1,&y1);
- WXL_VAR(x0); WXL_VAR(y0);
- WXL_VAR(x1); WXL_VAR(y1);
-
- wxMemoryDC(memdc);
- wxBitmap bm(x1,y1);
- memdc.SelectObject(bm);
-
- // make temporary copy and edit this
- memdc.SetDeviceOrigin(x0,y0);
- memdc.Blit(x0,y0,x1,y1,&dc,x0,y0,wxCOPY,FALSE);
- DoPaint(memdc);
- // blit it back
- dc.Blit(x0,y0,x1,y1,&memdc,x0,y0,wxCOPY,FALSE);
-#endif
-
+ DoPaint();
}
-// does the actual painting
void
-wxLayoutWindow::DoPaint(wxDC &dc)
+wxLayoutWindow::DoPaint(bool cursorOnly) // or: OnDraw(wxDC& dc)
{
- m_llist.EraseAndDraw(dc);
- m_llist.DrawCursor(dc);
- // FIXME: not strictly correct, this does only work for changes behind
- // the cursor position, not complete redraws
+ wxPaintDC dc( this );
+ PrepareDC( dc );
- if(! m_ScrollbarsSet)
+ // wxGTK: wxMemoryDC broken? YES!!
+ int x0,y0,x1,y1, dx, dy;
+ ViewStart(&x0,&y0);
+ GetClientSize(&x1,&y1); // this is the size of the visible window
+ wxASSERT(x1 > 0);
+ wxASSERT(y1 > 0);
+ GetScrollPixelsPerUnit(&dx, &dy);
+ x0 *= dx; y0 *= dy;
+ //FIXME: trying an offset for small border:
+ wxPoint offset(-x0+4,-y0+4);
+
+ //Blit() doesn't work on scrolled window!
+ // So we have to draw the cursor on the memdc.
+ //if(! cursorOnly)
{
- m_ScrollbarsSet = true; // avoid recursion
- UpdateScrollbars();
+ 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->Clear();
+ if(IsDirty() || m_llist.CursorMoved())
+ m_llist.Layout(dc);
+
+ m_llist.EraseAndDraw(*m_memDC,
+ wxLayoutObjectList::iterator(NULL),offset);
+ m_llist.DrawCursor(*m_memDC,false,offset);
+ dc.Blit(x0,y0,x1,y1,m_memDC,0,0,wxCOPY,FALSE);
}
+
+ //FIXME obsolete? ResetDirty();
+ UpdateScrollbars();
}
+// change the range and position of scroll bars
void
-wxLayoutWindow::UpdateScrollbars(void)
+wxLayoutWindow::UpdateScrollbars(bool exact)
{
CoordType
max_x, max_y, lineHeight;
-
- ViewStart(&m_ViewStartX, &m_ViewStartY);
+
m_llist.GetSize(&max_x, &max_y, &lineHeight);
- SetScrollbars(10, lineHeight, max_x/10+1, max_y/lineHeight+1,m_ViewStartX,m_ViewStartY,true);
- //EnableScrolling(true,true);
- //Scroll(m_ViewStartX, m_ViewStartY);
+
+ if(max_x > m_maxx || max_y > m_maxy || exact)
+ {
+ if(! exact) // add an extra 50% to the sizes to avoid future updates
+ {
+ max_x = (3*max_x)/2;
+ max_y = (3*max_y)/2;
+ }
+ ViewStart(&m_ViewStartX, &m_ViewStartY);
+ SetScrollbars(10, 20, max_x/10+1,max_y/20+1,m_ViewStartX,m_ViewStartY,true);
+ m_maxx = max_x; m_maxy = max_y;
+ }
}
void
-wxLayoutWindow::Print(void)
+wxLayoutWindow::Print(wxDC &dc)
{
- wxPostScriptDC dc("layout.ps",true,this);
if (dc.Ok() && dc.StartDoc((char *)_("Printing message...")))
{
//dc.SetUserScale(1.0, 1.0);
dc.EndDoc();
}
}
+
+wxMenu *
+wxLayoutWindow::MakeFormatMenu()
+{
+ if(m_PopupMenu)
+ return m_PopupMenu;
+
+ wxMenu *m = new wxMenu();
+
+ 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,_("&Underline"),_("Toggle underline mode."), true);
+ m->Append(WXLOWIN_MENU_BOLD ,_("&Bold"),_("Toggle bold mode."), true);
+ m->Append(WXLOWIN_MENU_ITALICS ,_("&Italics"),_("Toggle italics mode."), true);
+ m->AppendSeparator();
+ m->Append(WXLOWIN_MENU_ROMAN ,_("&Roman"),_("Toggle underline mode."), false);
+ m->Append(WXLOWIN_MENU_TYPEWRITER,_("&Typewriter"),_("Toggle bold mode."), false);
+ m->Append(WXLOWIN_MENU_SANSSERIF ,_("&Sans Serif"),_("Toggle italics mode."), false);
+
+ return m_PopupMenu = m;
+}
+
+void wxLayoutWindow::OnMenu(wxCommandEvent& event)
+{
+ if(! m_llist.IsEditable())
+ return;
+
+ switch (event.GetId())
+ {
+ case WXLOWIN_MENU_LARGER:
+ m_llist.SetFontLarger();
+ break;
+ case WXLOWIN_MENU_SMALLER:
+ m_llist.SetFontSmaller();
+ break;
+ case WXLOWIN_MENU_UNDERLINE:
+ m_llist.SetFontUnderline(
+ m_PopupMenu->IsChecked(WXLOWIN_MENU_UNDERLINE) ? false : true
+ );
+ break;
+ case WXLOWIN_MENU_BOLD:
+ m_llist.SetFontWeight(
+ m_PopupMenu->IsChecked(WXLOWIN_MENU_BOLD) ? wxNORMAL : wxBOLD
+ );
+ case WXLOWIN_MENU_ITALICS:
+ m_llist.SetFontStyle(
+ m_PopupMenu->IsChecked(WXLOWIN_MENU_ITALICS) ? wxNORMAL : wxITALIC
+ );
+ 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_llist.SetBoldCursor(true);
+ DoPaint(true);
+}
+
+void
+wxLayoutWindow::OnKillFocus(wxFocusEvent &ev)
+{
+ m_llist.SetBoldCursor(false);
+ Update();
+}
projects / wxWidgets.git / blobdiff