is four cursor positions long. This makes sure that cursor
positions are "as expected", i.e. in "abc\ndef" the 'd' would be
at positions (x=0,y=1).
+
+
+ The redrawing of the cursor no longer erases it at the last
+ position, because the list gets redrawn anyway.
*/
/*
TODO:
- - new cursor movement calculations
- - moving lines and moving across linebreaks still broken
-
- - word wrap
- blinking cursor
- mouse click positions cursor
- selection (SetMark(), GetSelection())
- - DND acceptance of text
-
+ - DND acceptance of text / clipboard support
- wxlwindow: formatting menu: problem with checked/unchecked consistency gtk bug?
*/
-#define USE_NEW_CURSORCODE 1
-
-/*
- Known wxGTK bugs:
- - MaxX()/MaxY() don't get set
-*/
-
#ifdef __GNUG__
#pragma implementation "wxllist.h"
#endif
//#include "Mpch.h"
-#ifdef M_BASEDIR
+#ifdef M_PREFIX
# include "gui/wxllist.h"
#else
# include "wxllist.h"
#ifndef USE_PCH
# include "iostream.h"
# include <wx/dc.h>
-# include <wx/postscrp.h>
+# include <wx/dcps.h>
# include <wx/print.h>
# include <wx/log.h>
#endif
void
wxLayoutObjectIcon::Draw(wxDC &dc, wxPoint const &translate)
{
- dc.DrawIcon(m_Icon,m_Position.x+translate.x, m_Position.y+translate.y);
+ dc.DrawIcon(*m_Icon,m_Position.x+translate.x, m_Position.y+translate.y);
}
void
wxLayoutObjectCmd::Draw(wxDC &dc, wxPoint const &translate)
{
wxASSERT(m_font);
- dc.SetFont(m_font);
+ dc.SetFont(*m_font);
if(m_ColourFG)
dc.SetTextForeground(*m_ColourFG);
if(m_ColourBG)
wxLayoutList::wxLayoutList()
{
m_DefaultSetting = NULL;
+ m_WrapMargin = -1;
+ m_Editable = FALSE;
+ m_boldCursor = FALSE;
+
Clear();
}
wxLayoutList::LineBreak(void)
{
Insert(new wxLayoutObjectLineBreak);
-// m_CursorPos.x = 0; m_CursorPos.y++;
}
void
headOfLine++;
position_HeadOfLine = position;
}
-#if defined( USE_NEW_CURSORCODE )
if(i == m_CursorObject)
CalculateCursor(dc);
-#else
- if(cursorObject == NULL && cursorPos.y == m_CursorPos.y) // look for cursor
- {
- if(cursorPos.x >= m_CursorPos.x &&
- m_CursorPos.x-cursorPos.x+(**i).CountPositions()) // cursor is in current object
- {
- cursorObject = *i;
- CalculateCursor(dc);
- }
- }
-#endif
i++;
}
while(i != end());
iterator start,
wxPoint const &translate)
{
- Layout(dc); // FIXME just for now
+ //Layout(dc); // FIXME just for now
ResetSettings(dc);
/** Erase at least to end of line */
void
-wxLayoutList::EraseAndDraw(wxDC &dc, iterator start)
+wxLayoutList::EraseAndDraw(wxDC &dc, iterator start, wxPoint const &translate)
{
//look for begin of line
while(start != end() && start != begin() && (**start).GetType() !=
//FIXME: wxGTK: MaxX()/MaxY() broken
//WXL_VAR(dc.MaxX()); WXL_VAR(dc.MaxY());
- dc.SetBrush(*wxWHITE_BRUSH);
- dc.SetPen(wxPen(*wxWHITE,0,wxTRANSPARENT));
+
+ dc.SetBrush(wxBrush(*m_ColourBG, wxSOLID));
+ dc.SetPen(wxPen(*m_ColourBG,0,wxTRANSPARENT));
dc.DrawRectangle(p.x,p.y,2000,2000); //dc.MaxX(),dc.MaxY());
- Draw(dc,-1,-1,start,wxPoint(0,0));
+ Draw(dc,-1,-1,start,translate);
//dc.DrawRectangle(p.x,p.y,2000,2000); //dc.MaxX(),dc.MaxY());
}
void
wxLayoutList::CalculateCursor(wxDC &dc)
{
+ if(! m_CursorMoved)
+ return;
+
CoordType width, height, descent;
CoordType baseLineSkip = 20; //FIXME
- CoordType offset;
- if( FindCurrentObject() == iterator(NULL)) // empty list
+ int cursorWidth = m_boldCursor ? 4 : 2;
+
+ if( m_CursorObject == iterator(NULL)) // empty list
{
- DrawCursor(dc,true); // erase it
m_CursorCoords = wxPoint(0,0);
- m_CursorSize = wxPoint(2,baseLineSkip);
+ m_CursorSize = wxPoint(cursorWidth,baseLineSkip);
m_CursorMoved = false; // coords are valid
return;
}
- wxLayoutObjectBase &obj = **FindCurrentObject(&offset);
-
- DrawCursor(dc,true); // erase it
+ wxLayoutObjectBase &obj = **m_CursorObject;
m_CursorCoords = obj.GetPosition();
if(obj.GetType() == WXLO_TYPE_TEXT)
{
wxLayoutObjectText *tobj = (wxLayoutObjectText *)&obj;
String & str = tobj->GetText();
- String sstr = str.substr(0,offset);
+ String sstr = str.substr(0,m_CursorOffset);
dc.GetTextExtent(sstr,&width,&height,&descent);
m_CursorCoords = wxPoint(m_CursorCoords.x+width,
m_CursorCoords.y);
- m_CursorSize = wxPoint(2,height);
+ m_CursorSize = wxPoint(cursorWidth,height);
}
else if(obj.GetType() == WXLO_TYPE_LINEBREAK)
{
if(m_CursorOffset == 1) // behind linebreak
m_CursorCoords = wxPoint(0, m_CursorCoords.y + baseLineSkip);
//m_CursorCoords = wxPoint(0, m_CursorCoords.y);
- m_CursorSize = wxPoint(2,baseLineSkip);
+ m_CursorSize = wxPoint(cursorWidth,baseLineSkip);
}
else
{
//cursorPosition = wxPoint(position.x, position.y);
//cursorSize = wxPoint(size.x > 0 ? size.x : 1,size.y > 0 ? size.y : baseLineSkip);
m_CursorCoords = wxPoint(m_CursorCoords.x+obj.GetSize().x, m_CursorCoords.y);
- m_CursorSize = wxPoint(2, obj.GetSize().y);
+ m_CursorSize = wxPoint(cursorWidth, obj.GetSize().y);
if(m_CursorSize.y < 1) m_CursorSize.y = baseLineSkip;
}
m_CursorMoved = false; // coords are valid
}
void
-wxLayoutList::DrawCursor(wxDC &dc, bool erase)
+wxLayoutList::DrawCursor(wxDC &dc, bool erase, wxPoint const &translate)
{
if(! m_Editable)
return;
if(erase)
- {
- //dc.SetBrush(*wxWHITE_BRUSH);
- //dc.SetPen(wxPen(*wxWHITE,1,wxSOLID));
- //dc.DrawRectangle(m_CursorCoords.x, m_CursorCoords.y, m_CursorSize.x, m_CursorSize.y);
- dc.Blit(m_CursorCoords.x, m_CursorCoords.y, m_CursorSize.x,
- m_CursorSize.y, &m_CursorMemDC,
- 0, 0, 0, 0);
- }
+ ;
+#if 0
+ dc.Blit(m_CursorCoords.x+translate.x,
+ m_CursorCoords.y+translate.y,
+ m_CursorSize.x,m_CursorSize.y,
+ &m_CursorMemDC,
+ 0, 0, 0, 0);
+#endif
else
{
+ // erase it at the old position:
if(IsDirty() || CursorMoved())
{
- DrawCursor(dc,true);
+ // We don't need to erase the cursor because the screen gets
+ // redrawn completely.
+// DrawCursor(dc,true);
+ // this is needed to update the cursor coordinates
Layout(dc);
}
- // Save background:
+#if 0
+// Save background:
wxBitmap bm(m_CursorSize.x+1,m_CursorSize.y+1);
m_CursorMemDC.SelectObject(bm);
- m_CursorMemDC.Blit(0, 0, m_CursorSize.x, m_CursorSize.y,
- &dc, m_CursorCoords.x,
- m_CursorCoords.y, 0, 0);
+ m_CursorMemDC.Blit(0, 0,
+ m_CursorSize.x, m_CursorSize.y,
+ &dc,
+ m_CursorCoords.x+translate.x,
+ m_CursorCoords.y+translate.y, 0, 0);
+#endif
+ // draw it:
dc.SetBrush(*wxBLACK_BRUSH);
dc.SetPen(wxPen(*wxBLACK,1,wxSOLID));
- dc.DrawRectangle(m_CursorCoords.x, m_CursorCoords.y,
+ dc.DrawRectangle(m_CursorCoords.x+translate.x, m_CursorCoords.y+translate.y,
m_CursorSize.x, m_CursorSize.y);
}
}
void
wxLayoutList::ShowCurrentObject()
{
- CoordType offs;
- wxLayoutObjectList::iterator i = FindCurrentObject(&offs);
-
wxLayoutDebug("CursorPos (%d, %d)", (int) m_CursorPos.x, (int) m_CursorPos.y);
wxLayoutDebug("CursorOffset = %d", (int) m_CursorOffset);
wxLayoutDebug("CursorObject = %p", m_CursorObject);
- wxLayoutDebug("Line length: %d", GetLineLength(i));
-
- if(i == iterator(NULL))
+ if(m_CursorObject == iterator(NULL))
wxLayoutDebug("<<no object found>>");
else
{
- if((*i)->GetType() == WXLO_TYPE_TEXT)
- wxLayoutDebug(" \"%s\", offs: %d", ((wxLayoutObjectText *)(*i))->GetText().c_str(), offs);
+ if((*m_CursorObject)->GetType() == WXLO_TYPE_TEXT)
+ wxLayoutDebug(" \"%s\", offs: %d",
+ ((wxLayoutObjectText *)(*m_CursorObject))->GetText().c_str(),
+ m_CursorOffset);
else
- wxLayoutDebug(" %s", TypeString((*i)->GetType()));
+ wxLayoutDebug(" %s", TypeString((*m_CursorObject)->GetType()));
}
+ wxLayoutDebug("Line length: %d", GetLineLength(m_CursorObject));
+
}
#endif
return m_FoundIterator = i; // not found
}
-wxLayoutObjectList::iterator
-wxLayoutList::FindCurrentObject(CoordType *offset)
-{
- if(offset)
- *offset = m_CursorOffset;
- return m_CursorObject;
-}
-
bool
wxLayoutList::MoveCursor(int dx, int dy)
{
if(newPos.y < 0) newPos.y = 0;
else if(newPos.y > m_MaxLine) newPos.y = m_MaxLine;
+ //FIXME: quick and dirty hack: as last object in buffer should be a
+ // linebreak, we don't allow to go there
+ if(newPos.y >= m_MaxLine)
+ return false;
+
if(newPos.y > m_CursorPos.y ||
newPos.y == m_CursorPos.y &&
newPos.x >= m_CursorPos.x)
direction = down;
else
direction = up;
-
+
+ if ( !m_CursorObject )
+ {
+ // list is empty
+ return FALSE;
+ }
+
// now move cursor forwards until at the new position:
// first, go to the right line:
newPos.y = m_CursorPos.y; // exited by break
// now line is right, go to right column:
+ if(dx == 0) // we are moving up or down only
+ {
+ int max_x = GetLineLength(m_CursorObject);
+ if(max_x <= newPos.x) // ... so we don't want to cross linebreaks
+ newPos.x = max_x-1; // but just go to the right column
+ }
direction = newPos.x >= m_CursorPos.x ? down : up;
while(newPos.x != m_CursorPos.x)
{
}
}
}
+
return true; // FIXME: when return what?
}
+void
+wxLayoutList::SetCursor(wxPoint const &p)
+{
+ m_CursorPos = p;
+ m_CursorObject = FindObjectCursor(&m_CursorPos, &m_CursorOffset);
+ m_CursorMoved = true;
+}
void
wxLayoutList::Delete(CoordType count)
m_bModified = true;
- CoordType offs;
+ CoordType offs = 0;
wxLayoutObjectList::iterator i;
do
{
- i = FindCurrentObject(&offs);
+ i = m_CursorObject;
startover: // ugly, but easiest way to do it
if(i == end())
return; // we cannot delete anything more
-/* Here we need to treat linebreaks differently.
- If offs==0 we are before the linebreak, otherwise behind. */
+ /* Here we need to treat linebreaks differently.
+ If m_CursorOffset==0 we are before the linebreak, otherwise behind. */
if((*i)->GetType() == WXLO_TYPE_LINEBREAK)
{
- if(offs == 0)
+ if(m_CursorOffset == 0)
{
m_MaxLine--;
erase(i);
else // delete the object behind the linebreak
{
i++; // we increment and continue as normal
- offs=0;
+ m_CursorOffset=0;
goto startover;
}
}
{
wxLayoutObjectText *tobj = (wxLayoutObjectText *)*i;
CoordType len = tobj->CountPositions();
-// If we find the end of a text object, this means that we
-// have to delete from the object following it.
- if(len == offs)
+ /* If we find the end of a text object, this means that we
+ have to delete from the object following it. */
+ if(len == m_CursorOffset)
{
i++;
- offs = 0;
- goto startover;
- }
- else if(len <= count) // delete this object
- {
- count -= len;
- erase(i);
- m_CursorObject = i;
m_CursorOffset = 0;
- continue;
+ goto startover;
}
else
{
- len = count;
- tobj->GetText().erase(offs,len);
+ if(m_CursorOffset == 0 && len <= count) // delete this object
+ {
+ count -= len;
+ erase(i);
+ m_CursorObject = i;
+ m_CursorOffset = 0;
+ continue;
+ }
+
+ int todelete = count;
+ if(todelete > len-m_CursorOffset)
+ todelete = len-m_CursorOffset;
+
+ len = len - todelete;
+ tobj->GetText().erase(m_CursorOffset,todelete);
+ count -= todelete;
// cursor unchanged
return; // we are done
}
else // delete the following object
{
i++; // we increment and continue as normal
- offs=0;
+ m_CursorOffset=0;
goto startover;
}
}
while(count && i != end());
}
+
void
wxLayoutList::Insert(wxLayoutObjectBase *obj)
{
m_bModified = true;
- CoordType offs;
- wxLayoutObjectList::iterator i = FindCurrentObject(&offs);
+ wxLayoutObjectList::iterator i = m_CursorObject;
-// if(i != iterator(NULL) && (*obj).GetType() == WXLO_TYPE_LINEBREAK)
-// {
-// m_CursorPos.x = 0; m_CursorPos.y ++;
-// }
+ if(i != iterator(NULL) && (*obj).GetType() == WXLO_TYPE_LINEBREAK)
+ {
+ m_CursorPos.x = 0; m_CursorPos.y ++;
+ }
if(i == end())
{
push_back(obj);
m_CursorObject = tail();
}
- else if(offs == 0)
+ else if(m_CursorOffset == 0)
{
insert(i,obj);
m_CursorObject = i;
}
// do we have to split a text object?
- else if((*i)->GetType() == WXLO_TYPE_TEXT && offs != (*i)->CountPositions())
+ else if((*i)->GetType() == WXLO_TYPE_TEXT && m_CursorOffset != (*i)->CountPositions())
{
wxLayoutObjectText *tobj = (wxLayoutObjectText *) *i;
- String left = tobj->GetText().substr(0,offs); // get part before cursor
- tobj->GetText() = tobj->GetText().substr(offs,(*i)->CountPositions()-offs); // keeps the right half
+ String left = tobj->GetText().substr(0,m_CursorOffset); // get part before cursor
+ tobj->GetText() = tobj->GetText().substr(m_CursorOffset,(*i)->CountPositions()-m_CursorOffset); // keeps the right half
insert(i,obj);
+ m_CursorObject = i; // == obj
insert(i,new wxLayoutObjectText(left)); // inserts before
}
else
m_bModified = true;
- CoordType offs;
- wxLayoutObjectList::iterator i = FindCurrentObject(&offs);
+ wxLayoutObjectList::iterator i = m_CursorObject;
if(i == end())
{
return;
}
- if(i != iterator(NULL) && (**i).GetType() == WXLO_TYPE_LINEBREAK)
- {
- m_CursorPos.x = 0; m_CursorPos.y ++;
- }
-
switch((**i).GetType())
{
case WXLO_TYPE_TEXT:
// insert into an existing text object:
tobj = (wxLayoutObjectText *)*i ;
wxASSERT(tobj);
- tobj->GetText().insert(offs,text);
+ tobj->GetText().insert(m_CursorOffset,text);
m_CursorObject = i;
- m_CursorOffset = offs + text.length();
+ m_CursorOffset = m_CursorOffset + text.length();
m_CursorPos.x += text.length();
break;
case WXLO_TYPE_LINEBREAK:
default:
j = i;
- if(offs == 0) // try to append to previous object
+ if(m_CursorOffset == 0) // try to append to previous object
{
j--;
if(j != end() && (**j).GetType() == WXLO_TYPE_TEXT)
CoordType len = 0;
if(offs == 0 && (**i).GetType() == WXLO_TYPE_LINEBREAK)
- i--;
+ if(i != begin())
+ i--;
+ else
+ return 0; // at begin of buffer in front of a linebreak
// search backwards for beginning of line:
while(i != begin() && (*i)->GetType() != WXLO_TYPE_LINEBREAK)
m_dirty = true; // force redraw/recalc
wxLayoutObjectList::iterator i = begin();
- wxBitmap bm(1,1);
+ wxBitmap bm(4,4);
m_CursorMemDC.SelectObject(bm);
while(i != end()) // == while valid
}
+void
+wxLayoutList::SetWrapMargin(long n)
+{
+ m_WrapMargin = n;
+}
+
+void
+wxLayoutList::WrapLine(void)
+{
+ wxASSERT(m_CursorObject);
+
+ iterator i = m_CursorObject;
+
+ if(!DoWordWrap() || !i ) // empty list
+ return;
+ int cursorpos = m_CursorPos.x, cpos, offset;
+
+ if(cursorpos < m_WrapMargin)
+ return;
+
+ // else: break line
+
+ // find the right object to break:
+ // is it the current one?
+
+ i = m_CursorObject;
+ cpos = cursorpos-m_CursorOffset;
+ while(i != begin() && cpos >= m_WrapMargin)
+ {
+ i--;
+ cpos -= (**i).CountPositions();
+ }
+ // now i is the object to break and cpos its position
+
+ offset = m_WrapMargin - cpos;
+ wxASSERT(offset <= (**i).CountPositions());
+
+ // split it
+ if((**i).GetType() == WXLO_TYPE_TEXT)
+ {
+ wxLayoutObjectText &t = *(wxLayoutObjectText *)*i;
+ for(; offset > 0; offset--)
+ if(t.GetText().c_str()[offset] == ' ' || t.GetText().c_str()[offset] == '\t')
+ {
+ String left = t.GetText().substr(0,offset); // get part before cursor
+ t.GetText() = t.GetText().substr(offset+1,t.CountPositions()-offset-1); // keeps the right halve
+ insert(i,new wxLayoutObjectLineBreak);
+ insert(i,new wxLayoutObjectText(left)); // inserts before
+ break;
+ }
+ if(offset == 0)
+ {
+ // only insert a line break if there isn't already one
+ iterator j = i; j--;
+ if(j && j != begin() && (**j).GetType() != WXLO_TYPE_LINEBREAK)
+ insert(i,new wxLayoutObjectLineBreak);
+ else
+ return; // do nothing
+ }
+ }
+ else
+ insert(i,new wxLayoutObjectLineBreak);
+ m_MaxLine++;
+ m_CursorPos.y++;
+ m_CursorPos.x -= offset;
+ m_CursorOffset -= offset;
+}
/******************** printing stuff ********************/
wxLayoutPrintout::wxLayoutPrintout(wxLayoutList &llist,
bool wxLayoutPrintout::HasPage(int pageNum)
{
- return pageNum < m_NumOfPages;
+ return pageNum <= m_NumOfPages;
}
int pageno)
{
// make backups of all essential parameters
- wxBrush *brush = dc.GetBrush();
- wxPen *pen = dc.GetPen();
- wxFont *font = dc.GetFont(),
- *myfont;;
+ const wxBrush& brush = dc.GetBrush();
+ const wxPen& pen = dc.GetPen();
+ const wxFont& font = dc.GetFont();
dc.SetBrush(*wxWHITE_BRUSH);
dc.SetPen(wxPen(*wxBLACK,0,wxSOLID));
topleft.y,bottomright.x-topleft.x,
bottomright.y-topleft.y);
dc.SetBrush(*wxBLACK_BRUSH);
- myfont = new wxFont((WXLO_DEFAULTFONTSIZE*12)/10,wxSWISS,wxNORMAL,wxBOLD,false,"Helvetica");
- dc.SetFont(*myfont);
+ wxFont myfont = wxFont((WXLO_DEFAULTFONTSIZE*12)/10,
+ wxSWISS,wxNORMAL,wxBOLD,false,"Helvetica");
+ dc.SetFont(myfont);
wxString page;
page = "9999/9999 "; // many pages...
dc.DrawText(m_title, topleft.x+w,topleft.y+h/2);
// restore settings
- dc.SetPen(*pen);
- dc.SetBrush(*brush);
- dc.SetFont(*font);
-
- delete myfont;
+ dc.SetPen(pen);
+ dc.SetBrush(brush);
+ dc.SetFont(font);
}