/*-*- 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) *
* *
* $Id$
*******************************************************************/
# pragma implementation "wxlwindow.h"
#endif
-#include "wxlwindow.h"
+//#include "Mpch.h"
-#define VAR(x) cout << #x"=" << x << endl;
+#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) { wxString s; s << #x " = " << x; wxLogDebug(s); }
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_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)
- : wxScrolledWindow(parent)
+ : wxScrolledWindow(parent, -1, wxDefaultPosition, wxDefaultSize,
+ wxHSCROLL | wxVSCROLL | wxBORDER)
+
+{
+ 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()
{
- m_ScrollbarsSet = false;
- m_EventId = 0;
+ 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 for TABs and ENTER
+ return DLGC_WANTCHARS | DLGC_WANTARROWS | DLGC_WANTMESSAGE;
+}
+#endif //MSW
+
void
-wxLayoutWindow::OnMouse(wxMouseEvent& event)
+wxLayoutWindow::Update(void)
{
- if(m_EventId == 0) // nothing to do
+ if(IsDirty())
+ {
+ UpdateScrollbars();
+ DoPaint();
+ }
+ else
+ DoPaint(true); // only the cursor
+ return;
+}
+
+void
+wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
+{
+ if(!m_doSendEvents) // nothing to do
return;
+
+ wxPaintDC dc( this );
+ PrepareDC( dc );
+ SetFocus();
- m_FindPos.x = event.GetX();
- m_FindPos.y = event.GetY();
- m_FoundObject = NULL;
+ wxPoint findPos;
+ findPos.x = dc.DeviceToLogicalX(event.GetX());
+ findPos.y = dc.DeviceToLogicalY(event.GetY());
-#ifdef WXLAYOUT_DEBUG
- cerr << "OnMouse: " << m_FindPos.x << ',' << m_FindPos.y << endl;
-#endif
- Refresh();
- if(m_FoundObject)
+ TRACEMESSAGE(("wxLayoutWindow::OnMouse: (%d, %d) -> (%d, %d)",
+ event.GetX(), event.GetY(), findPos.x, findPos.y));
+
+ 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)
{
- 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);
- }
+ // 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(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);
}
}
}
long keyCode = event.KeyCode();
- wxPoint p;
-
- 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 :
- 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)
+ switch(event.KeyCode())
{
- String tmp;
- tmp += keyCode;
- m_llist.Insert(tmp);
+ 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;
}
- Refresh();
- UpdateScrollbars();
+ 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_F2:
+ m_llist.WrapLine();
+ break;
+#endif
+
+ default:
+ if((!(event.ControlDown() || event.AltDown() || event.MetaDown()))
+ && (keyCode < 256 && keyCode >= 32)
+ )
+ {
+ String tmp;
+ tmp += keyCode;
+ m_llist.Insert(tmp);
+ m_llist.WrapLine();
+ }
+ break;
+ }
+ }
+
+ ScrollToCursor();
+ Update();
+ ScrollToCursor();
}
void
-wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)w) // or: OnDraw(wxDC& dc)
+wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)) // or: OnDraw(wxDC& dc)
{
- wxPaintDC dc( this ); // only when used as OnPaint for OnDraw we
- PrepareDC( dc ); // can skip the first two lines
+ DoPaint();
+}
- if(m_EventId) // look for keyclicks
- m_FoundObject = m_llist.Draw(dc,true,m_FindPos);
- else
- m_llist.Draw(dc);
- if(! m_ScrollbarsSet)
+void
+wxLayoutWindow::DoPaint(bool cursorOnly) // or: OnDraw(wxDC& dc)
+{
+ wxPaintDC dc( this );
+ PrepareDC( dc );
+
+ // 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;
m_llist.GetSize(&max_x, &max_y, &lineHeight);
- SetScrollbars(10, lineHeight, max_x/10+1, max_y/lineHeight+1);
- EnableScrolling(true,true);
+
+ 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)
{
- VAR(wxThePrintSetupData);
-
- 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