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New, rewritten, wxLayout. Almost complete.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1873 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
1999-03-07 21:38:50 +00:00
parent f5ee2e5f8f
commit 43e916c33e
10 changed files with 2152 additions and 1980 deletions
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435
user/wxLayout/wxlwindow.cpp
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@@ -1,7 +1,7 @@
/*-*- c++ -*-********************************************************
* wxLwindow.h : a scrolled Window for displaying/entering rich text*
* *
* (C) 1998, 1999 by Karsten Ball<6C>der (Ballueder@usa.net) *
* (C) 1998, 1999 by Karsten Ball<6C>der (Ballueder@usa.net) *
* *
* $Id$
*******************************************************************/
@@ -12,7 +12,7 @@
//#include "Mpch.h"
#ifdef M_PREFIX
#ifdef M_BASEDIR
# ifndef USE_PCH
# include "Mcommon.h"
# include "gui/wxMenuDefs.h"
@@ -22,62 +22,65 @@
#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::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_MENU_RANGE(WXLOWIN_MENU_FIRST, WXLOWIN_MENU_LAST, wxLayoutWindow::OnMenu)
EVT_SET_FOCUS(wxLayoutWindow::OnSetFocus)
EVT_KILL_FOCUS(wxLayoutWindow::OnKillFocus)
END_EVENT_TABLE()
/*
EVT_MENU(WXLOWIN_MENU_LARGER, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_SMALLER, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_UNDERLINE_ON, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_UNDERLINE_OFF, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_BOLD_ON, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_BOLD_OFF, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_ITALICS_ON, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_ITALICS_OFF, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_ROMAN, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_TYPEWRITER, wxLayoutWindow::OnMenu)
EVT_MENU(WXLOWIN_MENU_SANSSERIF, wxLayoutWindow::OnMenu)
*/
wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
: wxScrolledWindow(parent, -1, wxDefaultPosition, wxDefaultSize,
wxHSCROLL | wxVSCROLL | wxBORDER)
{
m_Editable = false;
m_doSendEvents = false;
m_ViewStartX = 0; m_ViewStartY = 0;
m_DoPopupMenu = true;
m_PopupMenu = NULL;
m_PopupMenu = MakeFormatMenu();
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);
m_llist = new wxLayoutList();
wxPoint max = m_llist->GetSize();
SetScrollbars(10, 20 /*lineHeight*/, max.x/10+1, max.y/20+1);
EnableScrolling(true,true);
m_maxx = max_x; m_maxy = max_y; m_lineHeight = lineHeight;
m_maxx = max.x; m_maxy = max.y;
SetDirty();
}
wxLayoutWindow::~wxLayoutWindow()
{
delete m_memDC; // deletes bitmap automatically (?)
delete m_bitmap;
if(m_PopupMenu) delete m_PopupMenu;
delete m_llist;
delete m_PopupMenu;
}
#ifdef __WXMSW__
@@ -89,19 +92,6 @@ wxLayoutWindow::MSWGetDlgCode()
}
#endif //MSW
void
wxLayoutWindow::Update(void)
{
if(IsDirty())
{
UpdateScrollbars();
DoPaint();
}
else
DoPaint(true); // only the cursor
return;
}
void
wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
{
@@ -116,21 +106,29 @@ wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
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));
#ifdef WXLAYOUT_DEBUG
wxLogDebug("wxLayoutWindow::OnMouse: (%d, %d) -> (%d, %d)",
event.GetX(), event.GetY(), findPos.x, findPos.y);
#endif
m_ClickPosition = findPos;
wxLayoutObjectBase *obj = m_llist.Find(findPos);
wxLayoutObject *obj = m_llist->FindObject(findPos);
#ifdef WXLAYOUT_DEBUG
if(obj)
wxLogDebug("wxLayoutWindow::OnMouse: Found object of type %d.",
obj->GetType());
else
wxLogDebug("wxLayoutWindow::OnMouse: Found no object.");
#endif
// 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)
&& IsEditable()
&& (! obj || (obj && obj->GetUserData() == NULL))
)
{
// when does this menu get freed?
// how do we handle toggling? FIXME
PopupMenu(MakeFormatMenu(), event.GetX(), event.GetY());
PopupMenu(m_PopupMenu, event.GetX(), event.GetY());
return;
}
// find the object at this position
@@ -143,83 +141,13 @@ wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
}
}
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
* Some simple keyboard handling.
*/
void
wxLayoutWindow::OnChar(wxKeyEvent& event)
{
if(! m_llist.IsEditable()) // do nothing
if(!IsEditable()) // do nothing
{
event.Skip();
return;
@@ -228,96 +156,96 @@ wxLayoutWindow::OnChar(wxKeyEvent& event)
long keyCode = event.KeyCode();
/* First, handle control keys */
if(event.ControlDown())
if(event.ControlDown() && ! event.AltDown())
{
switch(event.KeyCode())
{
case WXK_DELETE :
case 'k':
DeleteToEndOfLine(); break;
case 'd':
m_llist.Delete(1); break;
m_llist->Delete(1);
break;
case 'y':
DeleteLine(); break;
m_llist->DeleteLines(1);
break;
case 'h': // like backspace
if(m_llist.MoveCursor(-1))
m_llist.Delete(1);
if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1);
break;
case 'u':
DeleteToBeginOfLine(); break;
m_llist->DeleteToBeginOfLine();
break;
case 'k':
m_llist->DeleteToEndOfLine();
break;
default:
;
}
}
else // no control keys
// ALT only:
else if( event.AltDown() && ! event.ControlDown() )
{
switch(event.KeyCode())
{
case WXK_DELETE:
case 'd':
m_llist->DeleteWord();
break;
default:
;
}
}
// no control keys:
else if ( ! event.AltDown() && ! event.ControlDown())
{
switch(event.KeyCode())
{
case WXK_RIGHT:
m_llist.MoveCursor(1);
m_llist->MoveCursorHorizontally(1);
break;
case WXK_LEFT:
m_llist.MoveCursor(-1);
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(-20);
break;
case WXK_NEXT:
m_llist.MoveCursor(0,20);
m_llist->MoveCursorVertically(20);
break;
case WXK_HOME:
GotoBeginOfLine();
m_llist->MoveCursorToBeginOfLine();
break;
case WXK_END:
GotoEndOfLine();
m_llist->MoveCursorToEndOfLine();
break;
case WXK_DELETE :
if(event.ControlDown()) // delete to end of line
DeleteToEndOfLine();
else
m_llist.Delete(1);
m_llist->Delete(1);
break;
case WXK_BACK: // backspace
if(m_llist.MoveCursor(-1)) {
m_llist.Delete(1);
}
if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1);
break;
case WXK_RETURN:
m_llist.LineBreak();
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;
wxString tmp;
tmp += keyCode;
m_llist.Insert(tmp);
m_llist.WrapLine();
m_llist->Insert(tmp);
//// m_llist->WrapLine();
}
break;
}
}
ScrollToCursor();
Update();
ScrollToCursor();
SetDirty();
DoPaint(true); // paint and scroll to cursor
}
void
@@ -327,153 +255,160 @@ wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)) // or: OnDraw(wxDC& dc)
}
void
wxLayoutWindow::DoPaint(bool cursorOnly) // or: OnDraw(wxDC& dc)
wxLayoutWindow::DoPaint(bool scrollToCursor)
{
wxPaintDC dc( this );
PrepareDC( dc );
// wxGTK: wxMemoryDC broken? YES!!
int x0,y0,x1,y1, dx, dy;
// Calculate where the top of the visible area is:
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)
// Get the size of the visible window:
GetClientSize(&x1,&y1);
wxASSERT(x1 > 0);
wxASSERT(y1 > 0);
// Maybe we need to change the scrollbar sizes or positions,
// so layout the list and check:
if(IsDirty() || scrollToCursor)
m_llist->Layout(dc);
if(IsDirty())
ResizeScrollbars();
/* Make sure that the scrollbars are at a position so that the
cursor is visible if we are editing. */
/** Scroll so that cursor is visible! */
if(IsEditable() && scrollToCursor)
{
if(x1 > m_bitmapSize.x || y1 > m_bitmapSize.y)
wxPoint cc = m_llist->GetCursorScreenPos();
if(cc.x < x0 || cc.y < y0
|| cc.x >= x0+(9*x1)/10 || cc.y >= y0+(9*y1/10)) // (9*x)/10 == 90%
{
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);
int nx, ny;
nx = cc.x - x1/2; if(nx < 0) nx = 0;
ny = cc.y - y1/2; if(ny < 0) ny = 0;
Scroll(nx/dx,ny/dy); // new view start
x0 = nx; y0 = ny;
}
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);
}
/* 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);
}
// Device origins on the memDC are suspect, we translate manually
// with the translate parameter of Draw().
m_memDC->SetDeviceOrigin(0,0);
m_memDC->Clear();
//FIXME obsolete? ResetDirty();
UpdateScrollbars();
// The +4 give the window a tiny border on the left and top, looks nice.
wxPoint offset(-x0+4,-y0+4);
m_llist->Draw(*m_memDC,offset);
if(IsEditable())
m_llist->DrawCursor(*m_memDC,m_HaveFocus,offset);
// Now copy everything to the screen:
dc.Blit(x0,y0,x1,y1,m_memDC,0,0,wxCOPY,FALSE);
ResetDirty();
}
// change the range and position of scroll bars
void
wxLayoutWindow::UpdateScrollbars(bool exact)
wxLayoutWindow::ResizeScrollbars(bool exact)
{
CoordType
max_x, max_y, lineHeight;
m_llist.GetSize(&max_x, &max_y, &lineHeight);
wxPoint max = m_llist->GetSize();
if(max_x > m_maxx || max_y > m_maxy || exact)
if(max.x > m_maxx || max.y > m_maxy
|| max.x < (7*m_maxx)/10 || max.y << (7*m_maxy)/10
|| exact)
{
if(! exact) // add an extra 50% to the sizes to avoid future updates
if(! exact) // add an extra 20% to the sizes to avoid future updates
{
max_x = (3*max_x)/2;
max_y = (3*max_y)/2;
max.x = (12*max.x)/10; // 12/20 = 120%
max.y = (12*max.y)/10;
}
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;
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(wxDC &dc)
{
if (dc.Ok() && dc.StartDoc((char *)_("Printing message...")))
{
//dc.SetUserScale(1.0, 1.0);
m_llist.Draw(dc);
dc.EndDoc();
}
}
wxMenu *
wxLayoutWindow::MakeFormatMenu()
{
if(m_PopupMenu)
return m_PopupMenu;
wxMenu *m = new wxMenu();
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,_("&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->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"),_("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;
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)
{
if(! m_llist.IsEditable())
return;
switch (event.GetId())
{
case WXLOWIN_MENU_LARGER:
m_llist.SetFontLarger();
break;
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;
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;
m_llist->SetFontFamily(wxROMAN); break;
case WXLOWIN_MENU_TYPEWRITER:
m_llist.SetFontFamily(wxFIXED); break;
m_llist->SetFontFamily(wxFIXED); break;
case WXLOWIN_MENU_SANSSERIF:
m_llist.SetFontFamily(wxSWISS); break;
m_llist->SetFontFamily(wxSWISS); break;
}
}
void
wxLayoutWindow::OnSetFocus(wxFocusEvent &ev)
{
m_llist.SetBoldCursor(true);
DoPaint(true);
m_HaveFocus = true;
DoPaint(); // to repaint the cursor
}
void
wxLayoutWindow::OnKillFocus(wxFocusEvent &ev)
{
m_llist.SetBoldCursor(false);
Update();
m_HaveFocus = true;
DoPaint(); // to repaint the cursor
}