X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a2c5528a9e3b7ea0f5a40dfa21f60606e7e8b543..0c02f0701e960de4a1f60bc821c19c03b8fc88c3:/samples/richedit/wxllist.cpp?ds=sidebyside diff --git a/samples/richedit/wxllist.cpp b/samples/richedit/wxllist.cpp index 37880ef13f..bc00fa710e 100644 --- a/samples/richedit/wxllist.cpp +++ b/samples/richedit/wxllist.cpp @@ -1,7 +1,7 @@ /*-*- c++ -*-******************************************************** * wxllist: wxLayoutList, a layout engine for text and graphics * * * - * (C) 1998-1999 by Karsten Ballüder (Ballueder@usa.net) * + * (C) 1998-2000 by Karsten Ballüder (Ballueder@gmx.net) * * * * $Id$ *******************************************************************/ @@ -25,7 +25,7 @@ # pragma implementation "wxllist.h" #endif -#include +#include "wx/wxprec.h" #ifdef __BORLANDC__ # pragma hdrstop @@ -34,6 +34,7 @@ #include "Mpch.h" #ifdef M_BASEDIR +# include "Mcommon.h" # include "gui/wxllist.h" # include "gui/wxlparser.h" # define SHOW_SELECTIONS 1 @@ -44,21 +45,26 @@ #endif #ifndef USE_PCH -# include +#if wxUSE_IOSTREAMH + #include +#else + #include +#endif -# include -# include -# include -# include -# include +# include "wx/dc.h" +# include "wx/dcps.h" +# include "wx/print.h" +# include "wx/log.h" +# include "wx/filefn.h" #endif #ifdef WXLAYOUT_USE_CARET -# include +# include "wx/caret.h" #endif // WXLAYOUT_USE_CARET #include + /// This should never really get created #define WXLLIST_TEMPFILE "__wxllist.tmp" @@ -67,20 +73,23 @@ # define TypeString(t) g_aTypeStrings[t] # define WXLO_DEBUG(x) wxLogDebug x - static const char *g_aTypeStrings[] = + static const wxChar *g_aTypeStrings[] = { - "invalid", "text", "cmd", "icon" + _T("invalid"), _T("text"), _T("cmd"), _T("icon") }; - void - wxLayoutObject::Debug(void) + wxString + wxLayoutObject::DebugDump() const { - WXLO_DEBUG(("%s",g_aTypeStrings[GetType()])); + wxString str; + str.Printf(wxT("%s"), g_aTypeStrings[GetType()]); + return str; } #else -# define TypeString(t) "" -# define WXLO_DEBUG(x) +# define TypeString(t) "" +# define WXLO_DEBUG(x) #endif + // FIXME under MSW, this constant is needed to make the thing properly redraw // itself - I don't know where the size calculation error is and I can't // waste time looking for it right now. Search for occurences of @@ -164,14 +173,20 @@ bool Contains(const wxRect &r, const wxPoint &p) //@} +static void ReadString(wxString &to, wxString &from) { - to = ""; - const char *cptr = from.c_str(); - while(*cptr && *cptr != '\n') - to += *cptr++; - if(*cptr) cptr++; - from = cptr; + to = wxT(""); + const wxChar *cptr = from.c_str(); + while(*cptr && *cptr != wxT('\n')) + { + to += cptr; + cptr++; + } + + if(*cptr) cptr++; + + from = cptr; } /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * @@ -184,22 +199,23 @@ void ReadString(wxString &to, wxString &from) wxLayoutObject * wxLayoutObject::Read(wxString &istr) { - wxString tmp; - ReadString(tmp, istr); - int type = -1; - sscanf(tmp.c_str(),"%d", &type); + wxString tmp; + ReadString(tmp, istr); + long l = WXLO_TYPE_INVALID; + tmp.ToLong(&l); + int type = (int) l; - switch(type) - { - case WXLO_TYPE_TEXT: - return wxLayoutObjectText::Read(istr); - case WXLO_TYPE_CMD: - return wxLayoutObjectCmd::Read(istr); - case WXLO_TYPE_ICON: - return wxLayoutObjectIcon::Read(istr); - default: - return NULL; - } + switch(type) + { + case WXLO_TYPE_TEXT: + return wxLayoutObjectText::Read(istr); + case WXLO_TYPE_CMD: + return wxLayoutObjectCmd::Read(istr); + case WXLO_TYPE_ICON: + return wxLayoutObjectIcon::Read(istr); + } + + return NULL; } /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * @@ -218,7 +234,7 @@ wxLayoutObjectText::wxLayoutObjectText(const wxString &txt) } wxLayoutObject * -wxLayoutObjectText::Copy(void) +wxLayoutObjectText::Copy() { wxLayoutObjectText *obj = new wxLayoutObjectText(m_Text); obj->m_Width = m_Width; @@ -317,7 +333,7 @@ wxLayoutObjectText::GetOffsetScreen(wxDC &dc, CoordType xpos) const } void -wxLayoutObjectText::Layout(wxDC &dc, class wxLayoutList *llist) +wxLayoutObjectText::Layout(wxDC &dc, class wxLayoutList *WXUNUSED(llist)) { long descent = 0l; @@ -328,6 +344,16 @@ wxLayoutObjectText::Layout(wxDC &dc, class wxLayoutList *llist) heightOld = m_Height; #endif // 0 +#ifdef __WXDEBUG__ + CoordType a,b,c,d,e,f; + dc.GetTextExtent(_T("test "), &a, &b, &c); + dc.GetTextExtent(_T("test"), &d, &e, &f); + wxASSERT(a != d); + wxASSERT(b == e); + wxASSERT(c == f); + dc.GetTextExtent(_T(" "), &d, &e, &f); + wxASSERT(a > 0); +#endif dc.GetTextExtent(m_Text, &m_Width, &m_Height, &descent); #if 0 @@ -359,11 +385,14 @@ wxLayoutObjectText::Layout(wxDC &dc, class wxLayoutList *llist) #ifdef WXLAYOUT_DEBUG -void -wxLayoutObjectText::Debug(void) +wxString +wxLayoutObjectText::DebugDump() const { - wxLayoutObject::Debug(); - WXLO_DEBUG((" `%s`", m_Text.c_str())); + wxString str; + str = wxLayoutObject::DebugDump(); + wxString str2; + str2.Printf(wxT(" `%s`"), m_Text.c_str()); + return str+str2; } #endif @@ -375,7 +404,22 @@ wxLayoutObjectText::Debug(void) wxLayoutObjectIcon::wxLayoutObjectIcon(wxBitmap const &icon) { + if ( !icon.Ok() ) + { + wxFAIL_MSG(wxT("invalid icon")); + + m_Icon = NULL; + + return; + } + +#ifdef __WXMSW__ + // FIXME ugly, ugly, ugly - but the only way to avoid slicing + m_Icon = icon.GetHBITMAP() ? new wxBitmap(icon) + : new wxBitmap(wxBitmap((const wxBitmap &)icon)); +#else // !MSW m_Icon = new wxBitmap(icon); +#endif // MSW/!MSW } @@ -384,9 +428,9 @@ wxLayoutObjectIcon::Write(wxString &ostr) { /* Exports icon through a temporary file. */ - wxString file = wxGetTempFileName("wxloexport"); + wxString file = wxGetTempFileName(_T("wxloexport")); - ostr << WXLO_TYPE_ICON << '\n' + ostr << (int) WXLO_TYPE_ICON << '\n' << file << '\n'; m_Icon->SaveFile(file, WXLO_BITMAP_FORMAT); } @@ -406,12 +450,12 @@ wxLayoutObjectIcon::Read(wxString &istr) delete obj; return NULL; } - else - return obj; + + return obj; } wxLayoutObject * -wxLayoutObjectIcon::Copy(void) +wxLayoutObjectIcon::Copy() { wxLayoutObjectIcon *obj = new wxLayoutObjectIcon(new wxBitmap(*m_Icon)); @@ -422,15 +466,17 @@ wxLayoutObjectIcon::Copy(void) wxLayoutObjectIcon::wxLayoutObjectIcon(wxBitmap *icon) { m_Icon = icon; + if(! m_Icon) + m_Icon = new wxBitmap; } void wxLayoutObjectIcon::Draw(wxDC &dc, wxPoint const &coords, - wxLayoutList *wxllist, - CoordType begin, CoordType /* len */) + wxLayoutList *WXUNUSED(wxllist), + CoordType WXUNUSED(begin), CoordType WXUNUSED(len) ) { dc.DrawBitmap(*m_Icon, coords.x, coords.y-m_Icon->GetHeight(), - (m_Icon->GetMask() == NULL) ? FALSE : TRUE); + (m_Icon->GetMask() == NULL) ? false : true); } void @@ -498,12 +544,19 @@ wxLayoutObjectCmd::wxLayoutObjectCmd(int family, int size, int style, int m_StyleInfo = new wxLayoutStyleInfo(family, size,style,weight,underline,fg,bg); } +wxLayoutObjectCmd::wxLayoutObjectCmd(const wxLayoutStyleInfo &si) + +{ + m_StyleInfo = new wxLayoutStyleInfo; + *m_StyleInfo = si; +} + wxLayoutObject * -wxLayoutObjectCmd::Copy(void) +wxLayoutObjectCmd::Copy() { wxLayoutObjectCmd *obj = new wxLayoutObjectCmd( - m_StyleInfo->size, m_StyleInfo->family, + m_StyleInfo->size, m_StyleInfo->style, m_StyleInfo->weight, m_StyleInfo->underline, @@ -518,71 +571,101 @@ wxLayoutObjectCmd::Copy(void) void wxLayoutObjectCmd::Write(wxString &ostr) { - ostr << WXLO_TYPE_CMD << '\n' - << m_StyleInfo->size << '\n' - << m_StyleInfo->family << '\n' - << m_StyleInfo->style << '\n' - << m_StyleInfo->weight << '\n' - << m_StyleInfo->underline << '\n' - << m_StyleInfo->m_fg_valid << '\n' - << m_StyleInfo->m_bg_valid << '\n'; + ostr << (int) WXLO_TYPE_CMD << '\n' + << (int) m_StyleInfo->family << '\n' + << (int) m_StyleInfo->size << '\n' + << (int) m_StyleInfo->style << '\n' + << (int) m_StyleInfo->weight << '\n' + << (int) m_StyleInfo->underline << '\n' + << (int) m_StyleInfo->m_fg_valid << '\n' + << (int) m_StyleInfo->m_bg_valid << '\n'; if(m_StyleInfo->m_fg_valid) { - ostr << m_StyleInfo->m_fg.Red() << '\n' - << m_StyleInfo->m_fg.Green() << '\n' - << m_StyleInfo->m_fg.Blue() << '\n'; + ostr << (int) m_StyleInfo->m_fg.Red() << '\n' + << (int) m_StyleInfo->m_fg.Green() << '\n' + << (int) m_StyleInfo->m_fg.Blue() << '\n'; } if(m_StyleInfo->m_bg_valid) { - ostr << m_StyleInfo->m_bg.Red() << '\n' - << m_StyleInfo->m_bg.Green() << '\n' - << m_StyleInfo->m_bg.Blue() << '\n'; + ostr << (int) m_StyleInfo->m_bg.Red() << '\n' + << (int) m_StyleInfo->m_bg.Green() << '\n' + << (int) m_StyleInfo->m_bg.Blue() << '\n'; } } /* static */ wxLayoutObjectCmd * wxLayoutObjectCmd::Read(wxString &istr) { - wxLayoutObjectCmd *obj = new wxLayoutObjectCmd; - - wxString tmp; - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &obj->m_StyleInfo->size); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &obj->m_StyleInfo->family); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &obj->m_StyleInfo->style); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &obj->m_StyleInfo->weight); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &obj->m_StyleInfo->underline); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &obj->m_StyleInfo->m_fg_valid); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &obj->m_StyleInfo->m_bg_valid); - if(obj->m_StyleInfo->m_fg_valid) - { - int red, green, blue; - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &red); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &green); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &blue); - obj->m_StyleInfo->m_fg = wxColour(red, green, blue); - } - if(obj->m_StyleInfo->m_bg_valid) - { - int red, green, blue; - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &red); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &green); - ReadString(tmp, istr); - sscanf(tmp.c_str(),"%d", &blue); - obj->m_StyleInfo->m_bg = wxColour(red, green, blue); - } - return obj; + wxLayoutObjectCmd *obj = new wxLayoutObjectCmd; + + long l = 0; + wxString tmp; + ReadString(tmp, istr); + tmp.ToLong(&l); + obj->m_StyleInfo->family = (int) l; + + + ReadString(tmp, istr); + tmp.ToLong(&l); + obj->m_StyleInfo->size = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + obj->m_StyleInfo->style = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + obj->m_StyleInfo->weight = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + obj->m_StyleInfo->underline = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + obj->m_StyleInfo->m_fg_valid = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + obj->m_StyleInfo->m_bg_valid = (int) l; + + if(obj->m_StyleInfo->m_fg_valid) + { + int red, green, blue; + ReadString(tmp, istr); + tmp.ToLong(&l); + red = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + green = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + blue = (int) l; + + obj->m_StyleInfo->m_fg = wxColour(red, green, blue); + } + + if(obj->m_StyleInfo->m_bg_valid) + { + int red, green, blue; + ReadString(tmp, istr); + tmp.ToLong(&l); + red = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + green = (int) l; + + ReadString(tmp, istr); + tmp.ToLong(&l); + blue = (int) l; + + obj->m_StyleInfo->m_bg = wxColour(red, green, blue); + } + + return obj; } @@ -592,15 +675,15 @@ wxLayoutObjectCmd::~wxLayoutObjectCmd() } wxLayoutStyleInfo * -wxLayoutObjectCmd::GetStyle(void) const +wxLayoutObjectCmd::GetStyle() const { return m_StyleInfo; } void -wxLayoutObjectCmd::Draw(wxDC &dc, wxPoint const & /* coords */, +wxLayoutObjectCmd::Draw(wxDC &dc, wxPoint const & WXUNUSED(coords), wxLayoutList *wxllist, - CoordType begin, CoordType /* len */) + CoordType WXUNUSED(begin), CoordType WXUNUSED(len)) { wxASSERT(m_StyleInfo); wxllist->ApplyStyle(*m_StyleInfo, dc); @@ -626,14 +709,14 @@ wxLayoutLine::wxLayoutLine(wxLayoutLine *prev, wxLayoutList *llist) m_Length = 0; m_updateLeft = -1; - MarkDirty(0); - m_Previous = prev; m_Next = NULL; + MarkDirty(0); m_LineNumber = 0; RecalculatePosition(llist); + MarkDirty(); if(m_Previous) { m_LineNumber = m_Previous->GetLineNumber() + 1; @@ -644,8 +727,7 @@ wxLayoutLine::wxLayoutLine(wxLayoutLine *prev, wxLayoutList *llist) if(m_Next) { m_Next->m_Previous = this; - m_Next->MoveLines(+1); - m_Next->RecalculatePositions(1,llist); + m_Next->ReNumber(); } m_StyleInfo = llist->GetDefaultStyleInfo(); @@ -687,28 +769,6 @@ wxLayoutLine::RecalculatePosition(wxLayoutList *llist) return m_Position; } -void -wxLayoutLine::RecalculatePositions(int recurse, wxLayoutList *llist) -{ - //FIXME: is this really needed? We run Layout() anyway. - // Recursing here, drives computation time up exponentially, as - // each line will cause all following lines to be recalculated. - // Yes, or linenumbers go wrong. - - wxASSERT(recurse >= 0); - wxPoint pos = m_Position; - CoordType height = m_Height; - -// WXLO_TRACE("RecalculatePositions()"); - RecalculatePosition(llist); - if(m_Next) - { - if(recurse > 0) - m_Next->RecalculatePositions(--recurse, llist); - else if(pos != m_Position || m_Height != height) - m_Next->RecalculatePositions(0, llist); - } -} wxLayoutObjectList::iterator wxLayoutLine::FindObject(CoordType xpos, CoordType *offset) const @@ -791,9 +851,7 @@ wxLayoutLine::FindObjectScreen(wxDC &dc, wxLayoutList *llist, CoordType wxLayoutLine::FindText(const wxString &needle, CoordType xpos) const { - int - cpos = 0, - relpos = -1; + int cpos = 0; wxString const *text; for(wxLOiterator i = m_ObjectList.begin(); i != m_ObjectList.end(); i++) @@ -803,7 +861,7 @@ wxLayoutLine::FindText(const wxString &needle, CoordType xpos) const if((**i).GetType() == WXLO_TYPE_TEXT) { text = & ((wxLayoutObjectText*)(*i))->GetText(); - relpos = text->Find(needle); + int relpos = text->Find(needle); if(relpos >= cpos-xpos) // -1 if not found { return cpos+relpos; @@ -823,11 +881,6 @@ wxLayoutLine::Insert(CoordType xpos, wxLayoutObject *obj) MarkDirty(xpos); - // If we insert a command object, we need to recalculate all lines - // to update their styleinfo structure. - if(obj->GetType() == WXLO_TYPE_CMD) - MarkNextDirty(-1); - CoordType offset; wxLOiterator i = FindObject(xpos, &offset); if(i == NULLIT) @@ -923,10 +976,6 @@ wxLayoutLine::Delete(CoordType xpos, CoordType npos) len = (**i).GetLength(); m_Length -= len; npos -= len; - // If we delete a command object, we need to recalculate all lines - // to update their styleinfo structure. - if((**i).GetType() == WXLO_TYPE_CMD) - MarkNextDirty(-1); m_ObjectList.erase(i); } else @@ -963,64 +1012,56 @@ wxLayoutLine::Delete(CoordType xpos, CoordType npos) return npos; } -void -wxLayoutLine::MarkNextDirty(int recurse) -{ - wxLayoutLine *line = GetNextLine(); - while(line && (recurse == -1 || recurse >= 0)) - { - line->MarkDirty(); - line = line->GetNextLine(); - if(recurse > 0) recurse --; - } -} - bool wxLayoutLine::DeleteWord(CoordType xpos) { - wxASSERT(xpos >= 0); - CoordType offset; - MarkDirty(xpos); - - wxLOiterator i = FindObject(xpos, &offset); - - for(;;) - { - if(i == NULLIT) return false; - if((**i).GetType() != WXLO_TYPE_TEXT) - { - // This should only happen when at end of line, behind a non-text - // object: - if(offset == (**i).GetLength()) return false; - m_Length -= (**i).GetLength(); // -1 - m_ObjectList.erase(i); - return true; // we are done - } - else - { // text object: - if(offset == (**i).GetLength()) // at end of object - { - i++; offset = 0; - continue; - } - wxLayoutObjectText *tobj = (wxLayoutObjectText *)*i; - size_t count = 0; - wxString str = tobj->GetText(); - str = str.substr(offset,str.Length()-offset); - // Find out how many positions we need to delete: - // 1. eat leading space - while(isspace(str.c_str()[count])) count++; - // 2. eat the word itself: - while(isalnum(str.c_str()[count])) count++; - // now delete it: - wxASSERT(count+offset <= (size_t) (**i).GetLength()); - ((wxLayoutObjectText *)*i)->GetText().erase(offset,count); - m_Length -= count; - return true; - } - } + wxASSERT(xpos >= 0); + CoordType offset; + MarkDirty(xpos); + + wxLOiterator i = FindObject(xpos, &offset); + + for(;;) + { + if(i == NULLIT) return false; + if((**i).GetType() != WXLO_TYPE_TEXT) + { + // This should only happen when at end of line, behind a non-text + // object: + if(offset == (**i).GetLength()) return false; + m_Length -= (**i).GetLength(); // -1 + m_ObjectList.erase(i); + return true; // we are done + } + else + { // text object: + if(offset == (**i).GetLength()) // at end of object + { + i++; offset = 0; + continue; + } - wxFAIL_MSG("unreachable"); + wxLayoutObjectText *tobj = (wxLayoutObjectText *)*i; + size_t count = 0; + wxString str = tobj->GetText(); + str = str.substr(offset,str.Length()-offset); + // Find out how many positions we need to delete: + // 1. eat leading space + while(isspace(str.c_str()[count])) count++; + // 2. eat the word itself: + while(isalnum(str.c_str()[count])) count++; + // now delete it: + wxASSERT(count+offset <= (size_t) (**i).GetLength()); + ((wxLayoutObjectText *)*i)->GetText().erase(offset,count); + m_Length -= count; + + return true; + } + } + + #if 0 + wxFAIL_MSG(wxT("unreachable")); + #endif } wxLayoutLine * @@ -1032,28 +1073,15 @@ wxLayoutLine::DeleteLine(bool update, wxLayoutList *llist) if(m_Previous) m_Previous->m_Next = m_Next; - wxLayoutLine *next = m_Next; - if ( next ) - { - // get the line numbers right again - next->MoveLines(-1); - } + // get the line numbers right again + if ( update && m_Next) + m_Next->ReNumber(); - if(update) - { - if ( next ) - next->RecalculatePositions(1, llist); - - /* We assume that if we have more than one object in the list, - this means that we have a command object, so we need to - update the following lines. */ - if(m_ObjectList.size() > 1 || - ( m_ObjectList.begin() != NULLIT && - (**m_ObjectList.begin()).GetType() == WXLO_TYPE_CMD) - ) - MarkNextDirty(-1); - } + MarkDirty(); + // we can't use m_Next after "delete this", so we must save this pointer + // first + wxLayoutLine *next = m_Next; delete this; llist->DecNumLines(); @@ -1074,7 +1102,7 @@ wxLayoutLine::Draw(wxDC &dc, CoordType xpos = 0; // cursorpos, lenght of line - CoordType from, to, tempto; + CoordType from, to; int highlight = llist->IsSelected(this, &from, &to); // WXLO_DEBUG(("highlight=%d", highlight )); @@ -1088,7 +1116,9 @@ wxLayoutLine::Draw(wxDC &dc, if(highlight == -1) // partially highlight line { // parts of the line need highlighting - tempto = xpos+(**i).GetLength(); + + // Next line commented, code has no effect + // xpos+(**i).GetLength(); (**i).Draw(dc, pos, llist, from-xpos, to-xpos); } else @@ -1110,7 +1140,7 @@ wxLayoutLine::Layout(wxDC &dc, wxPoint *cursorSize, wxLayoutStyleInfo *cursorStyle, int cx, - bool suppressSIupdate) + bool WXUNUSED(suppressSIupdate)) { wxLayoutObjectList::iterator i; @@ -1138,6 +1168,8 @@ wxLayoutLine::Layout(wxDC &dc, bool cursorFound = false; + RecalculatePosition(llist); + if(cursorPos) { *cursorPos = m_Position; @@ -1169,7 +1201,7 @@ wxLayoutLine::Layout(wxDC &dc, if(len < obj->GetLength()) str = (*(wxLayoutObjectText*)*i).GetText().substr(len,1); else - str = WXLO_CURSORCHAR; + str = _T(WXLO_CURSORCHAR); dc.GetTextExtent(str, &width, &height, &descent); if(cursorStyle) // set style info @@ -1184,7 +1216,7 @@ wxLayoutLine::Layout(wxDC &dc, cursorSize->x = width; cursorSize->y = height; } - + cursorFound = true; // no more checks } else @@ -1242,7 +1274,7 @@ wxLayoutLine::Layout(wxDC &dc, if(m_Height == 0) { CoordType width, height, descent; - dc.GetTextExtent(WXLO_CURSORCHAR, &width, &height, &descent); + dc.GetTextExtent(_T(WXLO_CURSORCHAR), &width, &height, &descent); m_Height = height; m_BaseLine = m_Height - descent; } @@ -1250,8 +1282,7 @@ wxLayoutLine::Layout(wxDC &dc, // tell next line about coordinate change if(m_Next && m_Height != heightOld) { - // FIXME isn't this done in RecalculatePositions() below anyhow? - m_Next->RecalculatePositions(0, llist); + m_Next->MarkDirty(); } // We need to check whether we found a valid cursor size: @@ -1259,17 +1290,16 @@ wxLayoutLine::Layout(wxDC &dc, { // this might be the case if the cursor is at the end of the // line or on a command object: - if(cursorSize->y < WXLO_MINIMUM_CURSOR_WIDTH) + if(cursorSize->x < WXLO_MINIMUM_CURSOR_WIDTH) { CoordType width, height, descent; - dc.GetTextExtent(WXLO_CURSORCHAR, &width, &height, &descent); + dc.GetTextExtent(_T(WXLO_CURSORCHAR), &width, &height, &descent); cursorSize->x = width; cursorSize->y = height; } if(m_BaseLine >= cursorSize->y) // the normal case anyway cursorPos->y += m_BaseLine-cursorSize->y; } - RecalculatePositions(1, llist); MarkClean(); } @@ -1281,24 +1311,6 @@ wxLayoutLine::Break(CoordType xpos, wxLayoutList *llist) MarkDirty(xpos); - /* If we are at the begin of a line, we want to move all other - lines down and stay with the cursor where we are. However, if we - are in an empty line, we want to move down with it. */ - if(xpos == 0 && GetLength() > 0) - { // insert an empty line before this one - wxLayoutLine *prev = new wxLayoutLine(m_Previous, llist); - if(m_Previous == NULL) - { // We were in first line, need to link in new empty line - // before this. - prev->m_Next = this; - m_Previous = prev; - m_Previous->m_Height = 0; // this is a wild guess - } - if(m_Next) - m_Next->RecalculatePositions(1, llist); - return m_Previous; - } - CoordType offset; wxLOiterator i = FindObject(xpos, &offset); if(i == NULLIT) @@ -1308,7 +1320,9 @@ wxLayoutLine::Break(CoordType xpos, wxLayoutList *llist) wxLayoutLine *newLine = new wxLayoutLine(this, llist); // split object at i: - if((**i).GetType() == WXLO_TYPE_TEXT && offset != 0) + if((**i).GetType() == WXLO_TYPE_TEXT + && offset != 0 + && offset != (**i).GetLength() ) { wxString left, right; wxLayoutObjectText *tobj = (wxLayoutObjectText *) *i; @@ -1335,15 +1349,154 @@ wxLayoutLine::Break(CoordType xpos, wxLayoutList *llist) m_ObjectList.remove(i); // remove without deleting it } if(m_Next) - m_Next->RecalculatePositions(2, llist); + m_Next->MarkDirty(); return newLine; } +bool +wxLayoutLine::Wrap(CoordType wrapmargin, wxLayoutList *llist) +{ + if(GetLength() < wrapmargin) + return false; // nothing to do + + // find the object which covers the wrapmargin: + CoordType offset; + wxLOiterator i = FindObject(wrapmargin, &offset); + wxCHECK_MSG( i != NULLIT, false, + wxT("Cannot find object covering wrapmargin.")); + + // from this object on, the rest of the line must be copied to the + // next one: + wxLOiterator copyObject = NULLIT; + // if we split a text-object, we must pre-pend some text to the + // next line later on, remember it here: + wxString prependText = _T(""); + // we might need to adjust the cursor position later, so remember it + size_t xpos = llist->GetCursorPos().x; + // by how much did we shorten the current line: + size_t shorter = 0; + // remember cursor location of object + size_t objectCursorPos = 0; + + size_t breakpos = offset; + + if( (**i).GetType() != WXLO_TYPE_TEXT ) + { + // break before a non-text object + copyObject = i; + } + else + { + bool foundSpace = false; + do + { +// while(i != NULLIT && (**i).GetType() != WXLO_TYPE_TEXT) +// i--; + // try to find a suitable place to split the object: + wxLayoutObjectText *tobj = (wxLayoutObjectText *)*i; + if((**i).GetType() == WXLO_TYPE_TEXT + && tobj->GetText().Length() >= breakpos) + { + do + { + foundSpace = isspace(tobj->GetText()[breakpos]) != 0; + if ( foundSpace ) + break; + } + while ( breakpos-- > 0 ); + } + else + { + breakpos = 0; + } + + if(! foundSpace) // breakpos == 0! + { + if(i == m_ObjectList.begin()) + return false; // could not break line + else + { + i--; + while(i != m_ObjectList.begin() + && (**i).GetType() != WXLO_TYPE_TEXT ) + { + i--; + } + breakpos = (**i).GetLength(); + } + } + }while(! foundSpace); + // before we actually break the object, we need to know at which + // cursorposition it starts, so we can restore the cursor if needed: + if( this == llist->GetCursorLine() && xpos >= breakpos ) + { + for(wxLOiterator j = m_ObjectList.begin(); + j != NULLIT && j != i; j++) + objectCursorPos += (**j).GetLength(); + } + // now we know where to break it: + wxLayoutObjectText *tobj = (wxLayoutObjectText *)*i; + shorter = tobj->GetLength() - breakpos; + // remember text to copy from this object + prependText = tobj->GetText().Mid(breakpos+1); + tobj->SetText(tobj->GetText().Left(breakpos)); + // copy every following object: + copyObject = i; copyObject ++; + } + + // make sure there is an empty m_Next line: + (void) new wxLayoutLine(this, llist); + wxASSERT(m_Next); + // We need to move this and all following objects to the next + // line. Starting from the end of line, to keep the order right. + if(copyObject != NULLIT) + { + wxLOiterator j; + for(j = m_ObjectList.tail(); j != copyObject; j--) + m_Next->Prepend(*j); + m_Next->Prepend(*copyObject); + // and now remove them from this list: + while( copyObject != m_ObjectList.end() ) + { + shorter += (**copyObject).GetLength(); + m_ObjectList.remove(copyObject); // remove without deleting it + } + } + m_Length -= shorter; + + if(prependText.Length() > 0) + m_Next->Insert(0, prependText); + + // do we need to adjust the cursor position? + if( this == llist->GetCursorLine() && xpos >= breakpos) + { + xpos = objectCursorPos + (xpos - objectCursorPos - breakpos - + ((xpos > breakpos) ? 1 : 0 )); + #if 0 + // this assert is useless when xpos has unsigned type + wxASSERT(xpos >= 0); + #endif + llist->MoveCursorTo( wxPoint( xpos, m_Next->GetLineNumber()) ); + } + return true; // we wrapped the line +} + +void +wxLayoutLine::ReNumber() +{ + CoordType lineNo = m_Previous ? m_Previous->m_LineNumber+1 : 0; + m_LineNumber = lineNo++; + + for(wxLayoutLine *next = GetNextLine(); + next; next = next->GetNextLine()) + next->m_LineNumber = lineNo++; +} void wxLayoutLine::MergeNextLine(wxLayoutList *llist) { - wxCHECK_RET(GetNextLine(),"wxLayout internal error: no next line to merge"); + wxCHECK_RET( GetNextLine(), + wxT("wxLayout internal error: no next line to merge")); wxLayoutObjectList &list = GetNextLine()->m_ObjectList; wxLOiterator i; @@ -1380,7 +1533,7 @@ wxLayoutLine::MergeNextLine(wxLayoutList *llist) SetNext(nextLine); if ( nextLine ) { - nextLine->MoveLines(-1); + nextLine->ReNumber(); } else { @@ -1414,7 +1567,7 @@ wxLayoutLine::GetWrapPosition(CoordType column) { do { - if( isspace(((wxLayoutObjectText*)*i)->GetText().c_str()[(size_t)offset])) + if(isspace(((wxLayoutObjectText*)*i)->GetText().c_str()[(size_t)offset])) return column; else { @@ -1443,34 +1596,34 @@ wxLayoutLine::GetWrapPosition(CoordType column) i++; } if(i == NULLIT) return -1; //why should this happen? + + // now we are behind the one long text object and need to find the + // first space in it + for(offset = 0; offset < (**i).GetLength(); offset++) + if( isspace(((wxLayoutObjectText*)*i)->GetText().c_str()[(size_t)offset])) + { + return pos+offset; + } pos += (**i).GetLength(); - i++; - while(i != NULLIT && (**i).GetType() != WXLO_TYPE_TEXT) - { - pos += (**i).GetLength(); - i++; - } - if(i == NULLIT) return -1; //this is possible, if there is only one text object - // now we are at the second text object: - pos -= (**i).GetLength(); - return pos; // in front of it + return pos; } #ifdef WXLAYOUT_DEBUG void -wxLayoutLine::Debug(void) +wxLayoutLine::Debug() const { - wxString tmp; wxPoint pos = GetPosition(); - WXLO_DEBUG(("Line %ld, Pos (%ld,%ld), Height %ld, BL %ld, Font: %d", + WXLO_DEBUG((wxT("Line %ld, Pos (%ld,%ld), Height %ld, BL %ld, Font: %d"), (long int) GetLineNumber(), (long int) pos.x, (long int) pos.y, (long int) GetHeight(), (long int) m_BaseLine, (int) m_StyleInfo.family)); if(m_ObjectList.begin() != NULLIT) - (**m_ObjectList.begin()).Debug(); + { + WXLO_DEBUG(((**m_ObjectList.begin()).DebugDump().c_str())); + } } #endif @@ -1554,21 +1707,24 @@ wxLayoutList::wxLayoutList() m_numLines = 0; m_FirstLine = NULL; + SetAutoFormatting(true); + ForceTotalLayout(true); // for the first time, do all InvalidateUpdateRect(); Clear(); } wxLayoutList::~wxLayoutList() { + SetAutoFormatting(false); InternalClear(); Empty(); m_FirstLine->DeleteLine(false, this); - wxASSERT_MSG( m_numLines == 0, "line count calculation broken" ); + wxASSERT_MSG( m_numLines == 0, wxT("line count calculation broken")); } void -wxLayoutList::Empty(void) +wxLayoutList::Empty() { while(m_FirstLine) m_FirstLine = m_FirstLine->DeleteLine(false, this); @@ -1584,7 +1740,7 @@ wxLayoutList::Empty(void) void -wxLayoutList::InternalClear(void) +wxLayoutList::InternalClear() { m_Selection.m_selecting = false; m_Selection.m_valid = false; @@ -1594,15 +1750,50 @@ wxLayoutList::InternalClear(void) m_DefaultStyleInfo.style = wxNORMAL; m_DefaultStyleInfo.weight = wxNORMAL; m_DefaultStyleInfo.underline = 0; - m_DefaultStyleInfo.m_fg_valid = TRUE; + m_DefaultStyleInfo.m_fg_valid = true; m_DefaultStyleInfo.m_fg = *wxBLACK; - m_DefaultStyleInfo.m_bg_valid = TRUE; + m_DefaultStyleInfo.m_bg_valid = true; m_DefaultStyleInfo.m_bg = *wxWHITE; m_CurrentStyleInfo = m_DefaultStyleInfo; m_CursorStyleInfo = m_DefaultStyleInfo; } +void +wxLayoutList::Read(wxString &istr) +{ + /* In order to handle input of formatted string "nicely", we need + to restore our current font settings after the string. So first + of all, we create a StyleInfo structure with our current + settings. */ + wxLayoutStyleInfo current_si = GetStyleInfo(); + + while(istr.Length()) + { + // check for a linebreak: + wxString tmp; + tmp = istr.BeforeFirst('\n'); + long l = WXLO_TYPE_INVALID; + tmp.ToLong(&l); + int type = (int) l; + + if(type == WXLO_TYPE_LINEBREAK) + { + LineBreak(); + istr = istr.AfterFirst('\n'); + } + else + { + wxLayoutObject *obj = wxLayoutObject::Read(istr); + if(obj) + Insert(obj); + } + } + /* Now we use the current_si to restore our last font settings: */ + Insert(new wxLayoutObjectCmd(current_si)); +} + + void wxLayoutList::SetFont(int family, int size, int style, int weight, int underline, wxColour *fg, @@ -1627,19 +1818,13 @@ wxLayoutList::SetFont(int family, int size, int style, int weight, void wxLayoutList::SetFont(int family, int size, int style, int weight, - int underline, char const *fg, char const *bg) + int underline, wxChar const *fg, wxChar const *bg) { - wxColour - *cfg = NULL, - *cbg = NULL; - - if( fg ) - cfg = wxTheColourDatabase->FindColour(fg); - if( bg ) - cbg = wxTheColourDatabase->FindColour(bg); + wxColour cfg = wxTheColourDatabase->Find((fg)?fg:wxT("BLACK")); + wxColour cbg = wxTheColourDatabase->Find((bg)?bg:wxT("WHITE")); - SetFont(family,size,style,weight,underline,cfg,cbg); + SetFont(family,size,style,weight,underline,&cfg,&cbg); } void @@ -1748,12 +1933,13 @@ wxLayoutList::MoveCursorVertically(int n) { n--; m_CursorPos.y ++; + last = m_CursorLine; m_CursorLine = m_CursorLine->GetNextLine(); } if(! m_CursorLine) { m_CursorLine = last; - m_CursorPos.y ++; + m_CursorPos.y --; rc = false; } else @@ -1817,8 +2003,8 @@ wxLayoutList::MoveCursorHorizontally(int n) bool wxLayoutList::MoveCursorWord(int n, bool untilNext) { - wxCHECK_MSG( m_CursorLine, false, "no current line" ); - wxCHECK_MSG( n == -1 || n == +1, false, "not implemented yet" ); + wxCHECK_MSG( m_CursorLine, false, wxT("no current line") ); + wxCHECK_MSG( n == -1 || n == +1, false, wxT("not implemented yet") ); CoordType moveDistance = 0; CoordType offset; @@ -1907,9 +2093,9 @@ wxLayoutList::MoveCursorWord(int n, bool untilNext) if ( canAdvance ) { const wxString& text = tobj->GetText(); - const char *start = text.c_str(); - const char *end = start + text.length(); - const char *p = start + offset; + const wxChar *start = text.c_str(); + const wxChar *end = start + text.length(); + const wxChar *p = start + offset; if ( n < 0 ) { @@ -1978,21 +2164,24 @@ bool wxLayoutList::Insert(wxString const &text) { wxASSERT(m_CursorLine); - wxASSERT_MSG( text.Find('\n') == wxNOT_FOUND, "use wxLayoutImportText!" ); + wxASSERT_MSG( text.Find(wxT('\n')) == wxNOT_FOUND, + wxT("use wxLayoutImportText!") ); if ( !text ) return true; AddCursorPosToUpdateRect(); + wxASSERT(m_CursorLine->GetLength() >= m_CursorPos.x); + if ( !m_CursorLine->Insert(m_CursorPos.x, text) ) return false; - m_CursorPos.x += text.Length(); m_movedCursor = true; - m_CursorLine->RecalculatePositions(0, this); + if(m_AutoFormat) + m_CursorLine->MarkDirty(); return true; } @@ -2011,7 +2200,8 @@ wxLayoutList::Insert(wxLayoutObject *obj) m_CursorPos.x += obj->GetLength(); m_movedCursor = true; - m_CursorLine->RecalculatePositions(0, this); + if(m_AutoFormat) + m_CursorLine->MarkDirty(); return true; } @@ -2020,7 +2210,7 @@ bool wxLayoutList::Insert(wxLayoutList *llist) { wxASSERT(llist); - bool rc = TRUE; + bool rc = true; for(wxLayoutLine *line = llist->GetFirstLine(); line; @@ -2037,7 +2227,7 @@ wxLayoutList::Insert(wxLayoutList *llist) } bool -wxLayoutList::LineBreak(void) +wxLayoutList::LineBreak() { wxASSERT(m_CursorLine); @@ -2052,13 +2242,12 @@ wxLayoutList::LineBreak(void) m_CursorLine = m_CursorLine->Break(m_CursorPos.x, this); if(m_CursorLine->GetPreviousLine() == NULL) m_FirstLine = m_CursorLine; - if(m_CursorPos.x > 0) - m_CursorPos.y++; + m_CursorPos.y++; m_CursorPos.x = 0; // The following code will produce a height which is guaranteed to // be too high: old lineheight + the height of both new lines. - // We can probably drop the old line height and start with height = + // We can probably drop the old line height and start with height = // 0. FIXME wxLayoutLine *prev = m_CursorLine->GetPreviousLine(); if(prev) @@ -2077,35 +2266,28 @@ wxLayoutList::LineBreak(void) bool wxLayoutList::WrapLine(CoordType column) { - if(m_CursorPos.x <= column || column < 1) - return false; // do nothing yet - else - { - CoordType xpos = m_CursorLine->GetWrapPosition(column); - if(xpos == -1) - return false; // cannot break line - //else: - CoordType newpos = m_CursorPos.x - xpos - 1; - m_CursorPos.x = xpos; - - AddCursorPosToUpdateRect(); - - LineBreak(); - Delete(1); // delete the space - m_CursorPos.x = newpos; - - m_CursorLine->RecalculatePositions(1, this); - - m_movedCursor = true; + return m_CursorLine->Wrap(column, this); +} - return true; +bool +wxLayoutList::WrapAll(CoordType column) +{ + wxLayoutLine *line = m_FirstLine; + if(! line) + return false; + bool rc = true; + while(line && rc) + { + rc &= line->Wrap(column, this); + line = line->GetNextLine(); } + return rc; } bool wxLayoutList::Delete(CoordType npos) { - wxCHECK_MSG(m_CursorLine, false, "can't delete in non existing line"); + wxCHECK_MSG(m_CursorLine, false, wxT("can't delete in non existing line")); if ( npos == 0 ) return true; @@ -2160,7 +2342,7 @@ wxLayoutList::Delete(CoordType npos) } else { - wxFAIL_MSG("can't delete all this"); + wxFAIL_MSG(wxT("can't delete all this")); return false; } @@ -2197,7 +2379,8 @@ wxLayoutList::DeleteLines(int n) { // we cannot delete this line, but we can clear it MoveCursorToBeginOfLine(); DeleteToEndOfLine(); - m_CursorLine->RecalculatePositions(2, this); + if(m_AutoFormat) + m_CursorLine->MarkDirty(); return n-1; } //else: @@ -2208,13 +2391,16 @@ wxLayoutList::DeleteLines(int n) wxASSERT(m_FirstLine); wxASSERT(m_CursorLine); } - m_CursorLine->RecalculatePositions(2, this); + if(m_AutoFormat) + m_CursorLine->MarkDirty(); return n; } void wxLayoutList::Recalculate(wxDC &dc, CoordType bottom) { + if(! m_AutoFormat) + return; wxLayoutLine *line = m_FirstLine; // first, make sure everything is calculated - this might not be @@ -2230,7 +2416,7 @@ wxLayoutList::Recalculate(wxDC &dc, CoordType bottom) } wxPoint -wxLayoutList::GetCursorScreenPos(wxDC &dc) +wxLayoutList::GetCursorScreenPos() const { return m_CursorScreenPos; } @@ -2241,179 +2427,231 @@ wxLayoutList::GetCursorScreenPos(wxDC &dc) */ void wxLayoutList::Layout(wxDC &dc, CoordType bottom, bool forceAll, - wxPoint *cpos, wxPoint *csize) + wxPoint *cpos, wxPoint *csize) { - // first, make sure everything is calculated - this might not be - // needed, optimise it later - ApplyStyle(m_DefaultStyleInfo, dc); + // first, make sure everything is calculated - this might not be + // needed, optimise it later + ApplyStyle(m_DefaultStyleInfo, dc); - // This one we always Layout() to get the current cursor - // coordinates on the screen: - m_CursorLine->MarkDirty(); - bool wasDirty = false; - wxLayoutLine *line = m_FirstLine; - while(line) - { - if(! wasDirty) - ApplyStyle(line->GetStyleInfo(), dc); - if(forceAll || line->IsDirty() - || (cpos && line->GetLineNumber() == cpos->y)) - { - // The following Layout() calls will update our - // m_CurrentStyleInfo if needed. - if(line == m_CursorLine) - { - line->Layout(dc, this, - (wxPoint *)&m_CursorScreenPos, - (wxPoint *)&m_CursorSize, - &m_CursorStyleInfo, - m_CursorPos.x); + + if(m_ReLayoutAll) + { + forceAll = true; + bottom = -1; + } + + ForceTotalLayout(false); + + + // If one line was dirty, we need to re-calculate all + // following lines, too. + bool wasDirty = forceAll; + // we need to layout until we reach at least the cursor line, + // otherwise we won't be able to scroll to it + bool cursorReached = false; + wxLayoutLine *line = m_FirstLine; + while(line) + { + if(! wasDirty) + ApplyStyle(line->GetStyleInfo(), dc); + if( + // if any previous line was dirty, we need to layout all + // following lines: + wasDirty + // go on until we find the cursorline + || ! cursorReached + // layout dirty lines: + || line->IsDirty() + // always layout the cursor line toupdate the cursor + // position and size: + || line == m_CursorLine + // or if it's the line we are asked to look for: + || (cpos && line->GetLineNumber() == cpos->y) + // layout at least the desired region: + || (bottom == -1 ) + || (line->GetPosition().y <= bottom) + ) + { + if(line->IsDirty()) + wasDirty = true; + + // The following Layout() calls will update our + // m_CurrentStyleInfo if needed. + if(line == m_CursorLine) + { + line->Layout(dc, this, + (wxPoint *)&m_CursorScreenPos, + (wxPoint *)&m_CursorSize, + &m_CursorStyleInfo, + m_CursorPos.x); // we cannot layout the line twice, so copy the coords: if(cpos && line ->GetLineNumber() == cpos->y) { - *cpos = m_CursorScreenPos; - if ( csize ) - *csize = m_CursorSize; + *cpos = m_CursorScreenPos; + if ( csize ) + *csize = m_CursorSize; } + + cursorReached = true; } else + { if(cpos && line->GetLineNumber() == cpos->y) - line->Layout(dc, this, - cpos, - csize, NULL, cpos->x); - else - line->Layout(dc, this); - // little condition to speed up redrawing: - if(bottom != -1 && line->GetPosition().y > bottom) - break; - wasDirty = true; - } - line->RecalculatePositions(1, this); - line = line->GetNextLine(); - } - - // can only be 0 if we are on the first line and have no next line - wxASSERT(m_CursorSize.x != 0 || (m_CursorLine && - m_CursorLine->GetNextLine() == NULL && - m_CursorLine == m_FirstLine)); - AddCursorPosToUpdateRect(); + { + line->Layout(dc, this, + cpos, + csize, NULL, cpos->x); + cursorReached = true; + } + else + line->Layout(dc, this); + } + } + + line = line->GetNextLine(); + } + +#ifndef WXLAYOUT_USE_CARET + // can only be 0 if we are on the first line and have no next line + wxASSERT(m_CursorSize.x != 0 || (m_CursorLine && + m_CursorLine->GetNextLine() == NULL && + m_CursorLine == m_FirstLine)); +#endif // WXLAYOUT_USE_CARET + + AddCursorPosToUpdateRect(); } wxPoint wxLayoutList::GetScreenPos(wxDC &dc, const wxPoint &cpos, wxPoint *csize) { - wxPoint pos = cpos; - Layout(dc, -1, false, &pos, csize); - return pos; + wxPoint pos = cpos; + Layout(dc, -1, false, &pos, csize); + return pos; } void wxLayoutList::Draw(wxDC &dc, wxPoint const &offset, CoordType top, - CoordType bottom) -{ - wxLayoutLine *line = m_FirstLine; - - if ( m_Selection.m_discarded ) - { - // calculate them if we don't have them already - if ( !m_Selection.HasValidScreenCoords() ) - { - m_Selection.m_ScreenA = GetScreenPos(dc, m_Selection.m_CursorA); - m_Selection.m_ScreenB = GetScreenPos(dc, m_Selection.m_CursorB); - } - - // invalidate the area which was previousle selected - and which is not - // selected any more - SetUpdateRect(m_Selection.m_ScreenA); - SetUpdateRect(m_Selection.m_ScreenB); + CoordType bottom, + bool clipStrictly) +{ + wxLayoutLine *line = m_FirstLine; + + if ( m_Selection.m_discarded ) + { + // calculate them if we don't have them already + if ( !m_Selection.HasValidScreenCoords() ) + { + m_Selection.m_ScreenA = GetScreenPos(dc, m_Selection.m_CursorA); + m_Selection.m_ScreenB = GetScreenPos(dc, m_Selection.m_CursorB); + } + + // invalidate the area which was previousle selected - and which is not + // selected any more + SetUpdateRect(m_Selection.m_ScreenA); + SetUpdateRect(m_Selection.m_ScreenB); + + m_Selection.m_discarded = false; + } + + /* This call to Layout() will re-calculate and update all lines + marked as dirty. + */ + Layout(dc, bottom); + + ApplyStyle(m_DefaultStyleInfo, dc); + wxBrush brush(m_CurrentStyleInfo.m_bg, wxSOLID); + dc.SetBrush(brush); + dc.SetBackgroundMode(wxTRANSPARENT); + + while(line) + { + // only draw if between top and bottom: + if((top == -1 || + line->GetPosition().y + line->GetHeight() > top)) + { + ApplyStyle(line->GetStyleInfo(), dc); + // little condition to speed up redrawing: + if( bottom != -1 + && line->GetPosition().y + +(clipStrictly ? line->GetHeight() : 0) >= bottom) + break; - m_Selection.m_discarded = false; - } + line->Draw(dc, this, offset); + } - /* We need to re-layout all dirty lines to update styleinfos - etc. However, somehow we don't find all dirty lines... */ - Layout(dc); //,-1,true); //FIXME - ApplyStyle(m_DefaultStyleInfo, dc); - wxBrush brush(m_CurrentStyleInfo.m_bg, wxSOLID); - dc.SetBrush(brush); - dc.SetBackgroundMode(wxTRANSPARENT); + line = line->GetNextLine(); + } - bool style_set = false; - while(line) - { - // only draw if between top and bottom: - if((top == -1 || - line->GetPosition().y + line->GetHeight() > top)) - { -// if(! style_set) - { - ApplyStyle(line->GetStyleInfo(), dc); - style_set = true; - } - // little condition to speed up redrawing: - if(bottom != -1 - && line->GetPosition().y+line->GetHeight() >= bottom) - break; - line->Draw(dc, this, offset); - } - line = line->GetNextLine(); - } - InvalidateUpdateRect(); + InvalidateUpdateRect(); - WXLO_DEBUG(("Selection is %s : l%d,%ld/%ld,%ld", - m_Selection.m_valid ? "valid" : "invalid", - m_Selection.m_CursorA.x, m_Selection.m_CursorA.y, - m_Selection.m_CursorB.x, m_Selection.m_CursorB.y)); + WXLO_DEBUG((wxT("Selection is %s : %d,%d/%d,%d"), + m_Selection.m_valid ? wxT("valid") : wxT("invalid"), + m_Selection.m_CursorA.x, m_Selection.m_CursorA.y, + m_Selection.m_CursorB.x, m_Selection.m_CursorB.y)); } wxLayoutObject * wxLayoutList::FindObjectScreen(wxDC &dc, wxPoint const pos, - wxPoint *cursorPos, - bool *found) -{ - // First, find the right line: - wxLayoutLine - *line = m_FirstLine, - *lastline = m_FirstLine; - wxPoint p; + wxPoint *cursorPos, bool *found) +{ + // First, find the right line: + wxLayoutLine + *line = m_FirstLine, + *lastline = m_FirstLine; + wxPoint p; + + ApplyStyle(m_DefaultStyleInfo, dc); + while(line) + { + p = line->GetPosition(); + if(p.y <= pos.y && p.y+line->GetHeight() >= pos.y) + break; + lastline = line; + line = line->GetNextLine(); + } - ApplyStyle(m_DefaultStyleInfo, dc); - while(line) - { - p = line->GetPosition(); - if(p.y <= pos.y && p.y+line->GetHeight() >= pos.y) - break; - lastline = line; - line = line->GetNextLine(); - } + bool didFind = line != NULL; - if ( !line ) - { - if ( found ) - *found = false; - // use the last line: - line = lastline; - } + if ( !line ) + { + // use the last line: + line = lastline; + } + + if ( cursorPos ) + cursorPos->y = line->GetLineNumber(); + + bool foundinline = true; + long cx = 0; - if ( cursorPos ) - cursorPos->y = line->GetLineNumber(); + // Now, find the object in the line: + wxLOiterator i; - bool foundinline = true; - // Now, find the object in the line: - wxLOiterator i = line->FindObjectScreen(dc, this, - pos.x, - cursorPos ? &cursorPos->x : NULL, - &foundinline); - if(found) - *found = *found && foundinline; - return (i == NULLIT) ? NULL : *i; + if (cursorPos) + { + i = line->FindObjectScreen(dc, this, + pos.x, + &cx, + &foundinline); + cursorPos->x = cx; + } + else + i = line->FindObjectScreen(dc, this, + pos.x, + NULL, + &foundinline); + + if ( found ) + *found = didFind && foundinline; + + return (i == NULLIT) ? NULL : *i; } wxPoint -wxLayoutList::GetSize(void) const +wxLayoutList::GetSize() const { wxLayoutLine *line = m_FirstLine, @@ -2452,80 +2690,100 @@ wxLayoutList::GetSize(void) const void -wxLayoutList::DrawCursor(wxDC &dc, bool active, wxPoint const &translate) +wxLayoutList::DrawCursor(wxDC & +#ifdef WXLAYOUT_USE_CARET + WXUNUSED(dc) +#else + dc +#endif + , bool +#ifdef WXLAYOUT_USE_CARET + WXUNUSED(active) +#else + active +#endif + , wxPoint const &translate) { - if ( m_movedCursor ) - m_movedCursor = false; + if ( m_movedCursor ) + m_movedCursor = false; - wxPoint coords(m_CursorScreenPos); - coords += translate; + wxPoint coords(m_CursorScreenPos); + coords += translate; #ifdef WXLAYOUT_DEBUG - WXLO_DEBUG(("Drawing cursor (%ld,%ld) at %ld,%ld, size %ld,%ld, line: %ld, len %ld", - (long)m_CursorPos.x, (long)m_CursorPos.y, - (long)coords.x, (long)coords.y, - (long)m_CursorSize.x, (long)m_CursorSize.y, - (long)m_CursorLine->GetLineNumber(), - (long)m_CursorLine->GetLength())); - - wxLogStatus("Cursor is at (%d, %d)", m_CursorPos.x, m_CursorPos.y); + WXLO_DEBUG((wxT("Drawing cursor (%ld,%ld) at %ld,%ld, size %ld,%ld, line: %ld, len %ld"), + (long)m_CursorPos.x, (long)m_CursorPos.y, + (long)coords.x, (long)coords.y, + (long)m_CursorSize.x, (long)m_CursorSize.y, + (long)m_CursorLine->GetLineNumber(), + (long)m_CursorLine->GetLength())); + + wxLogStatus(wxT("Cursor is at (%d, %d)"), m_CursorPos.x, m_CursorPos.y); #endif #ifdef WXLAYOUT_USE_CARET - m_caret->Move(coords); + m_caret->Move(coords); #else // !WXLAYOUT_USE_CARET - dc.SetBrush(*wxWHITE_BRUSH); - //FIXME: wxGTK XOR is borken at the moment!!!dc.SetLogicalFunction(wxXOR); - dc.SetPen(wxPen(*wxBLACK,1,wxSOLID)); - if(active) - { - dc.SetLogicalFunction(wxXOR); - dc.DrawRectangle(coords.x, coords.y, - m_CursorSize.x, m_CursorSize.y); - SetUpdateRect(coords.x, coords.y); - SetUpdateRect(coords.x+m_CursorSize.x, coords.y+m_CursorSize.y); - } - else - { - dc.SetLogicalFunction(wxCOPY); - dc.DrawLine(coords.x, coords.y+m_CursorSize.y-1, - coords.x, coords.y); - SetUpdateRect(coords.x, coords.y+m_CursorSize.y-1); - SetUpdateRect(coords.x, coords.y); - } - dc.SetLogicalFunction(wxCOPY); - //dc.SetBrush(wxNullBrush); + + wxASSERT(m_CursorSize.x >= WXLO_MINIMUM_CURSOR_WIDTH); + dc.SetBrush(*wxWHITE_BRUSH); + //FIXME: wxGTK XOR is borken at the moment!!!dc.SetLogicalFunction(wxXOR); + dc.SetPen(wxPen(*wxBLACK,1,wxSOLID)); + if(active) + { + dc.SetLogicalFunction(wxXOR); + dc.DrawRectangle(coords.x, coords.y, + m_CursorSize.x, m_CursorSize.y); + SetUpdateRect(coords.x, coords.y); + SetUpdateRect(coords.x+m_CursorSize.x, + coords.y+m_CursorSize.y); + } + else + { + dc.SetLogicalFunction(wxCOPY); + dc.DrawLine(coords.x, coords.y+m_CursorSize.y-1, + coords.x, coords.y); + SetUpdateRect(coords.x, coords.y+m_CursorSize.y-1); + SetUpdateRect(coords.x, coords.y); + } + + dc.SetLogicalFunction(wxCOPY); + //dc.SetBrush(wxNullBrush); #endif // WXLAYOUT_USE_CARET/!WXLAYOUT_USE_CARET } void wxLayoutList::SetUpdateRect(CoordType x, CoordType y) { - if(m_UpdateRectValid) - GrowRect(m_UpdateRect, x, y); - else - { - m_UpdateRect.x = x; - m_UpdateRect.y = y; - m_UpdateRect.width = 4; // large enough to avoid surprises from - m_UpdateRect.height = 4;// wxGTK :-) - m_UpdateRectValid = true; - } + if(m_UpdateRectValid) + { + GrowRect(m_UpdateRect, x, y); + } + else + { + m_UpdateRect.x = x; + m_UpdateRect.y = y; + m_UpdateRect.width = 4; // large enough to avoid surprises from + m_UpdateRect.height = 4;// wxGTK :-) + m_UpdateRectValid = true; + } } void wxLayoutList::StartSelection(const wxPoint& cposOrig, const wxPoint& spos) { - wxPoint cpos(cposOrig); - if ( cpos.x == -1 ) - cpos = m_CursorPos; - WXLO_DEBUG(("Starting selection at %ld/%ld", cpos.x, cpos.y)); - m_Selection.m_CursorA = cpos; - m_Selection.m_CursorB = cpos; - m_Selection.m_ScreenA = spos; - m_Selection.m_ScreenB = spos; - m_Selection.m_selecting = true; - m_Selection.m_valid = false; + wxPoint cpos(cposOrig); + if ( cpos.x == -1 ) + cpos = m_CursorPos; + + WXLO_DEBUG((wxT("Starting selection at %d/%d"), cpos.x, cpos.y)); + + m_Selection.m_CursorA = cpos; + m_Selection.m_CursorB = cpos; + m_Selection.m_ScreenA = spos; + m_Selection.m_ScreenB = spos; + m_Selection.m_selecting = true; + m_Selection.m_valid = false; } void @@ -2537,69 +2795,75 @@ wxLayoutList::ContinueSelection(const wxPoint& cposOrig, const wxPoint& spos) wxASSERT(m_Selection.m_selecting == true); wxASSERT(m_Selection.m_valid == false); - WXLO_DEBUG(("Continuing selection at %ld/%ld", cpos.x, cpos.y)); - - if ( m_Selection.m_CursorB <= cpos ) - { - m_Selection.m_ScreenB = spos; - m_Selection.m_CursorB = cpos; - } - else - { - m_Selection.m_ScreenA = spos; - m_Selection.m_CursorA = cpos; - } + WXLO_DEBUG((wxT("Continuing selection at %d/%d"), cpos.x, cpos.y)); - // we always want m_CursorA <= m_CursorB! - if( m_Selection.m_CursorA > m_Selection.m_CursorB ) - { - // exchange the start/end points - wxPoint help = m_Selection.m_CursorB; - m_Selection.m_CursorB = m_Selection.m_CursorA; - m_Selection.m_CursorA = help; - - help = m_Selection.m_ScreenB; - m_Selection.m_ScreenB = m_Selection.m_ScreenA; - m_Selection.m_ScreenA = help; - } + m_Selection.m_ScreenB = spos; + m_Selection.m_CursorB = cpos; } void wxLayoutList::EndSelection(const wxPoint& cposOrig, const wxPoint& spos) { - wxPoint cpos(cposOrig); - if(cpos.x == -1) - cpos = m_CursorPos; - ContinueSelection(cpos); - WXLO_DEBUG(("Ending selection at %ld/%ld", cpos.x, cpos.y)); - m_Selection.m_selecting = false; - m_Selection.m_valid = true; + wxPoint cpos(cposOrig); + + if(cpos.x == -1) cpos = m_CursorPos; + + ContinueSelection(cpos, spos); + + WXLO_DEBUG((wxT("Ending selection at %d/%d"), cpos.x, cpos.y)); + + // we always want m_CursorA <= m_CursorB! + if( m_Selection.m_CursorA > m_Selection.m_CursorB ) + { + // exchange the start/end points + wxPoint help = m_Selection.m_CursorB; + m_Selection.m_CursorB = m_Selection.m_CursorA; + m_Selection.m_CursorA = help; + + help = m_Selection.m_ScreenB; + m_Selection.m_ScreenB = m_Selection.m_ScreenA; + m_Selection.m_ScreenA = help; + } + + m_Selection.m_selecting = false; + m_Selection.m_valid = true; + /// In case we just clicked somewhere, the selection will have zero + /// size, so we discard it immediately. + if(m_Selection.m_CursorA == m_Selection.m_CursorB) + { + DiscardSelection(); + } } void wxLayoutList::DiscardSelection() { - if ( !HasSelection() ) - return; + if ( !HasSelection() ) + return; - m_Selection.m_valid = - m_Selection.m_selecting = false; - m_Selection.m_discarded = true; + m_Selection.m_valid = + m_Selection.m_selecting = false; + m_Selection.m_discarded = true; } bool -wxLayoutList::IsSelecting(void) const +wxLayoutList::IsSelecting() const { - return m_Selection.m_selecting; + return m_Selection.m_selecting; } bool wxLayoutList::IsSelected(const wxPoint &cursor) const { - if ( !HasSelection() ) - return false; + if ( !HasSelection() ) + return false; - return m_Selection.m_CursorA <= cursor && cursor <= m_Selection.m_CursorB; + return ( + (m_Selection.m_CursorA <= cursor + && cursor <= m_Selection.m_CursorB) + || (m_Selection.m_CursorB <= cursor + && cursor <= m_Selection.m_CursorA) + ); } @@ -2611,77 +2875,118 @@ wxLayoutList::IsSelected(const wxPoint &cursor) const */ int wxLayoutList::IsSelected(const wxLayoutLine *line, CoordType *from, - CoordType *to) -{ - wxASSERT(line); wxASSERT(to); wxASSERT(from); - - if(! m_Selection.m_valid && ! m_Selection.m_selecting) - return 0; - - CoordType y = line->GetLineNumber(); - if(m_Selection.m_CursorA.y < y && m_Selection.m_CursorB.y > y) - return 1; - else if(m_Selection.m_CursorA.y == y) - { - *from = m_Selection.m_CursorA.x; - if(m_Selection.m_CursorB.y == y) - *to = m_Selection.m_CursorB.x; - else - *to = line->GetLength(); - return -1; - } - else if(m_Selection.m_CursorB.y == y) - { - *to = m_Selection.m_CursorB.x; - if(m_Selection.m_CursorA.y == y) - *from = m_Selection.m_CursorA.x; - else - *from = 0; - return -1; - } - else - return 0; + CoordType *to) +{ + wxASSERT(line); wxASSERT(to); wxASSERT(from); + + if(! m_Selection.m_valid && ! m_Selection.m_selecting) + return 0; + + CoordType y = line->GetLineNumber(); + if ( (m_Selection.m_CursorA.y < y && m_Selection.m_CursorB.y > y) + || (m_Selection.m_CursorB.y < y && m_Selection.m_CursorA.y > y) ) + { + return 1; + } + else if (m_Selection.m_CursorA.y == y) + { + *from = m_Selection.m_CursorA.x; + if(m_Selection.m_CursorB.y == y) + { + *to = m_Selection.m_CursorB.x; + } + else + { + if(m_Selection.m_CursorB > m_Selection.m_CursorA) + *to = line->GetLength(); + else + *to = 0; + } + + if(*to < *from) + { + CoordType help = *to; + *to = *from; + *from = help; + } + + return -1; + } + else if (m_Selection.m_CursorB.y == y) + { + *to = m_Selection.m_CursorB.x; + if (m_Selection.m_CursorA.y == y) + { + *from = m_Selection.m_CursorA.x; + } + else + { + if(m_Selection.m_CursorB > m_Selection.m_CursorA) + *from = 0; + else + *from = line->GetLength(); + } + + if(*to < *from) + { + CoordType help = *to; + *to = *from; + *from = help; + } + return -1; + } + else + { + return 0; + } } void -wxLayoutList::DeleteSelection(void) +wxLayoutList::DeleteSelection() { - if(! m_Selection.m_valid) - return; + if (! m_Selection.m_valid) + return; - m_Selection.m_valid = false; + m_Selection.m_valid = false; - // Only delete part of the current line? - if(m_Selection.m_CursorA.y == m_Selection.m_CursorB.y) - { - MoveCursorTo(m_Selection.m_CursorA); - Delete(m_Selection.m_CursorB.x - m_Selection.m_CursorA.x); - return; - } + // Only delete part of the current line? + if (m_Selection.m_CursorA.y == m_Selection.m_CursorB.y) + { + MoveCursorTo(m_Selection.m_CursorA); + Delete(m_Selection.m_CursorB.x - m_Selection.m_CursorA.x); + return; + } // We now know that the two lines are different: - wxLayoutLine - * firstLine = GetLine(m_Selection.m_CursorA.y), - * lastLine = GetLine(m_Selection.m_CursorB.y); + wxLayoutLine + * firstLine = GetLine(m_Selection.m_CursorA.y), + * lastLine = GetLine(m_Selection.m_CursorB.y); + + // be a bit paranoid: + if(! firstLine || ! lastLine) + return; - // First, delete what's left of this line: - MoveCursorTo(m_Selection.m_CursorA); - DeleteToEndOfLine(); + // First, delete what's left of this line: + MoveCursorTo(m_Selection.m_CursorA); + DeleteToEndOfLine(); - wxLayoutLine *prevLine = firstLine->GetPreviousLine(), - *nextLine = firstLine->GetNextLine(); - while(nextLine && nextLine != lastLine) - nextLine = nextLine->DeleteLine(false, this); + wxLayoutLine *prevLine = firstLine->GetPreviousLine(), + *nextLine = firstLine->GetNextLine(); - // Now nextLine = lastLine; - Delete(1); // This joins firstLine and nextLine - Delete(m_Selection.m_CursorB.x); // This deletes the first x positions + while(nextLine && nextLine != lastLine) + { + nextLine = nextLine->DeleteLine(false, this); + } - // Recalculate the line positions and numbers but notice that firstLine - // might not exist any more - it could be deleted by Delete(1) above - wxLayoutLine *firstLine2 = prevLine ? prevLine->GetNextLine() : m_FirstLine; - firstLine2->RecalculatePositions(1, this); + // Now nextLine = lastLine; + Delete(1); // This joins firstLine and nextLine + Delete(m_Selection.m_CursorB.x); // This deletes the first x positions + + // Recalculate the line positions and numbers but notice that firstLine + // might not exist any more - it could be deleted by Delete(1) above + wxLayoutLine *firstLine2 = prevLine ? prevLine->GetNextLine() : m_FirstLine; + firstLine2->MarkDirty(); } /// Starts highlighting the selection @@ -2707,139 +3012,177 @@ wxLayoutList::EndHighlighting(wxDC &dc) } -wxLayoutList * -wxLayoutList::Copy(const wxPoint &from, - const wxPoint &to) +wxLayoutLine * +wxLayoutList::GetLine(CoordType index) const { - wxLayoutLine - * firstLine = NULL, - * lastLine = NULL; - - for(firstLine = m_FirstLine; - firstLine && firstLine->GetLineNumber() < from.y; - firstLine=firstLine->GetNextLine()) - ; - if(!firstLine || firstLine->GetLineNumber() != from.y) - return NULL; + wxASSERT_MSG( (0 <= index) && (index < (CoordType)m_numLines), + wxT("invalid index") ); - for(lastLine = m_FirstLine; - lastLine && lastLine->GetLineNumber() < to.y; - lastLine=lastLine->GetNextLine()) - ; - if(!lastLine || lastLine->GetLineNumber() != to.y) - return NULL; + wxLayoutLine *line; + CoordType n = index; +#ifdef DEBUG + CoordType lineNo = 0; +#endif - if(to <= from) - { - wxLayoutLine *tmp = firstLine; - firstLine = lastLine; - lastLine = tmp; - } + for ( line = m_FirstLine; line && n-- > 0; line = line->GetNextLine() ) + { +#ifdef DEBUG + wxASSERT(line->GetLineNumber() == lineNo ); + lineNo++; +#endif + } - wxLayoutList *llist = new wxLayoutList(); + if ( line ) + { + // should be the right one + wxASSERT( line->GetLineNumber() == index ); + } - if(firstLine == lastLine) - { - firstLine->Copy(llist, from.x, to.x); - } - else - { - // Extract objects from first line - firstLine->Copy(llist, from.x); - llist->LineBreak(); - // Extract all lines between - for(wxLayoutLine *line = firstLine->GetNextLine(); - line != lastLine; - line = line->GetNextLine()) - { - line->Copy(llist); - llist->LineBreak(); - } - // Extract objects from last line - lastLine->Copy(llist, 0, to.x); - } - return llist; + return line; +} + + +wxLayoutList * +wxLayoutList::Copy(const wxPoint &from, + const wxPoint &to) +{ + wxLayoutLine + * firstLine, + * lastLine; + + for(firstLine = m_FirstLine; + firstLine && firstLine->GetLineNumber() < from.y; + firstLine=firstLine->GetNextLine()) + ; + + if(!firstLine || firstLine->GetLineNumber() != from.y) + return NULL; + + for(lastLine = m_FirstLine; + lastLine && lastLine->GetLineNumber() < to.y; + lastLine=lastLine->GetNextLine()) + ; + + if(!lastLine || lastLine->GetLineNumber() != to.y) + return NULL; + + if(to <= from) + { + wxLayoutLine *tmp = firstLine; + firstLine = lastLine; + lastLine = tmp; + } + + wxLayoutList *llist = new wxLayoutList(); + + if(firstLine == lastLine) + { + firstLine->Copy(llist, from.x, to.x); + } + else + { + // Extract objects from first line + firstLine->Copy(llist, from.x); + llist->LineBreak(); + // Extract all lines between + for ( wxLayoutLine *line = firstLine->GetNextLine(); + line != lastLine; + line = line->GetNextLine() ) + { + line->Copy(llist); + llist->LineBreak(); + } + + // Extract objects from last line + lastLine->Copy(llist, 0, to.x); + } + + return llist; } wxLayoutList * wxLayoutList::GetSelection(wxLayoutDataObject *wxlo, bool invalidate) { - if(! m_Selection.m_valid) - { - if(m_Selection.m_selecting) - EndSelection(); - else - return NULL; - } - - if(invalidate) m_Selection.m_valid = false; - - wxLayoutList *llist = Copy( m_Selection.m_CursorA, - m_Selection.m_CursorB ); - - if(llist && wxlo) // export as data object, too - { - wxString string; + if(! m_Selection.m_valid) + { + if(m_Selection.m_selecting) + EndSelection(); + else + return NULL; + } + + if(invalidate) m_Selection.m_valid = false; + + wxLayoutList *llist = Copy( m_Selection.m_CursorA, + m_Selection.m_CursorB ); + + if(llist && wxlo) // export as data object, too + { + wxString string; + + wxLayoutExportObject *exp; + wxLayoutExportStatus status(llist); + while((exp = wxLayoutExport( &status, WXLO_EXPORT_AS_OBJECTS)) != NULL) + { + if(exp->type == WXLO_EXPORT_EMPTYLINE) + string << (int) WXLO_TYPE_LINEBREAK << '\n'; + else + exp->content.object->Write(string); + delete exp; + } - wxLayoutExportObject *export; - wxLayoutExportStatus status(llist); - while((export = wxLayoutExport( &status, WXLO_EXPORT_AS_OBJECTS)) != NULL) - { - if(export->type == WXLO_EXPORT_EMPTYLINE) - ; //FIXME missing support for linebreaks in string format - else - export->content.object->Write(string); - delete export; - } + wxlo->SetLayoutData(string); + } - wxlo->SetData(string.c_str(), string.Length()+1); - } - return llist; + return llist; } -#define COPY_SI(what) if(si.what != -1) { m_CurrentStyleInfo.what = si.what; fontChanged = TRUE; } +#define COPY_SI(what) if(si.what != -1) { m_CurrentStyleInfo.what = si.what; fontChanged = true; } void wxLayoutList::ApplyStyle(wxLayoutStyleInfo const &si, wxDC &dc) { - bool fontChanged = FALSE; - COPY_SI(family); - COPY_SI(size); - COPY_SI(style); - COPY_SI(weight); - COPY_SI(underline); - if(fontChanged) - dc.SetFont( m_FontCache.GetFont(m_CurrentStyleInfo) ); + bool fontChanged = false; + COPY_SI(family); + COPY_SI(size); + COPY_SI(style); + COPY_SI(weight); + COPY_SI(underline); + if(fontChanged) + dc.SetFont( m_FontCache.GetFont(m_CurrentStyleInfo) ); - if(si.m_fg_valid) - { - m_CurrentStyleInfo.m_fg = si.m_fg; - dc.SetTextForeground(m_CurrentStyleInfo.m_fg); - } - if(si.m_bg_valid) - { - m_CurrentStyleInfo.m_bg = si.m_bg; - dc.SetTextBackground(m_CurrentStyleInfo.m_bg); - } + if(si.m_fg_valid) + { + m_CurrentStyleInfo.m_fg = si.m_fg; + m_CurrentStyleInfo.m_fg_valid = true; + dc.SetTextForeground(m_CurrentStyleInfo.m_fg); + } + + if(si.m_bg_valid) + { + m_CurrentStyleInfo.m_bg = si.m_bg; + m_CurrentStyleInfo.m_bg_valid = true; + dc.SetTextBackground(m_CurrentStyleInfo.m_bg); + } } #ifdef WXLAYOUT_DEBUG void -wxLayoutList::Debug(void) +wxLayoutList::Debug() { - WXLO_DEBUG(("Cursor is in line %d, screen pos = (%d, %d)", - m_CursorLine->GetLineNumber(), - m_CursorScreenPos.x, m_CursorScreenPos.y)); + WXLO_DEBUG((wxT("Cursor is in line %d, screen pos = (%d, %d)"), + (int)m_CursorLine->GetLineNumber(), + m_CursorScreenPos.x, m_CursorScreenPos.y)); - wxLayoutLine *line; - for(line = m_FirstLine; line; line = line->GetNextLine()) - { - line->Debug(); - } + wxLayoutLine *line; + for(line = m_FirstLine; line; line = line->GetNextLine()) + { + line->Debug(); + } } #endif @@ -2852,14 +3195,17 @@ wxLayoutList::Debug(void) * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ wxLayoutPrintout::wxLayoutPrintout(wxLayoutList *llist, - wxString const & title) -:wxPrintout(title) + wxString const & title) + :wxPrintout(title) { - m_llist = llist; - m_title = title; - // remove any highlighting which could interfere with printing: - m_llist->StartSelection(); - m_llist->EndSelection(); + m_llist = llist; + m_title = title; + // remove any highlighting which could interfere with printing: + m_llist->StartSelection(); + m_llist->EndSelection(); + // force a full layout of the list: + m_llist->ForceTotalLayout(); + // layout is called in ScaleDC() when we have a DC } wxLayoutPrintout::~wxLayoutPrintout() @@ -2869,75 +3215,84 @@ wxLayoutPrintout::~wxLayoutPrintout() float wxLayoutPrintout::ScaleDC(wxDC *dc) { - // The following bit is taken from the printing sample, let's see - // whether it works for us. - - /* You might use THIS code to set the printer DC to ROUGHLY reflect - * the screen text size. This page also draws lines of actual length 5cm - * on the page. - */ - // Get the logical pixels per inch of screen and printer - int ppiScreenX, ppiScreenY; - GetPPIScreen(&ppiScreenX, &ppiScreenY); - int ppiPrinterX, ppiPrinterY; - GetPPIPrinter(&ppiPrinterX, &ppiPrinterY); - - if(ppiScreenX == 0) // not yet set, need to guess - { - ppiScreenX = 100; - ppiScreenY = 100; - } - if(ppiPrinterX == 0) // not yet set, need to guess - { - ppiPrinterX = 72; - ppiPrinterY = 72; - } - - // This scales the DC so that the printout roughly represents the - // the screen scaling. The text point size _should_ be the right size - // but in fact is too small for some reason. This is a detail that will - // need to be addressed at some point but can be fudged for the - // moment. - float scale = (float)((float)ppiPrinterX/(float)ppiScreenX); - - // Now we have to check in case our real page size is reduced - // (e.g. because we're drawing to a print preview memory DC) - int pageWidth, pageHeight; - int w, h; - dc->GetSize(&w, &h); - GetPageSizePixels(&pageWidth, &pageHeight); - if(pageWidth != 0) // doesn't work always - { - // If printer pageWidth == current DC width, then this doesn't - // change. But w might be the preview bitmap width, so scale down. - scale = scale * (float)(w/(float)pageWidth); - } - dc->SetUserScale(scale, scale); - return scale; + // The following bit is taken from the printing sample, let's see + // whether it works for us. + + /* You might use THIS code to set the printer DC to ROUGHLY reflect + * the screen text size. This page also draws lines of actual length 5cm + * on the page. + */ + + // Get the logical pixels per inch of screen and printer + int ppiScreenX, ppiScreenY; + GetPPIScreen(&ppiScreenX, &ppiScreenY); + int ppiPrinterX, ppiPrinterY; + GetPPIPrinter(&ppiPrinterX, &ppiPrinterY); + + if(ppiScreenX == 0) // not yet set, need to guess + { + ppiScreenX = 100; + ppiScreenY = 100; + } + wxUnusedVar(ppiScreenY); + + if(ppiPrinterX == 0) // not yet set, need to guess + { + ppiPrinterX = 72; + ppiPrinterY = 72; + } + wxUnusedVar(ppiPrinterY); + + // This scales the DC so that the printout roughly represents the + // the screen scaling. The text point size _should_ be the right size + // but in fact is too small for some reason. This is a detail that will + // need to be addressed at some point but can be fudged for the + // moment. + float scale = (float)((float)ppiPrinterX/(float)ppiScreenX); + + // Now we have to check in case our real page size is reduced + // (e.g. because we're drawing to a print preview memory DC) + int pageWidth, pageHeight; + int w, h; + dc->GetSize(&w, &h); + GetPageSizePixels(&pageWidth, &pageHeight); + wxUnusedVar(pageHeight); + if(pageWidth != 0) // doesn't work always + { + // If printer pageWidth == current DC width, then this doesn't + // change. But w might be the preview bitmap width, so scale down. + scale = scale * (float)(w/(float)pageWidth); + } + + dc->SetUserScale(scale, scale); + return scale; } bool wxLayoutPrintout::OnPrintPage(int page) { - wxDC *dc = GetDC(); + wxDC *dc = GetDC(); - ScaleDC(dc); + ScaleDC(dc); - if (dc) - { - int top, bottom; - top = (page - 1)*m_PrintoutHeight; - bottom = top + m_PrintoutHeight; - - WXLO_DEBUG(("OnPrintPage(%d) printing from %d to %d", page, top, - bottom)); - // SetDeviceOrigin() doesn't work here, so we need to manually - // translate all coordinates. - wxPoint translate(m_Offset.x,m_Offset.y-top); - m_llist->Draw(*dc, translate, top, bottom); - return true; + if (dc) + { + int top, bottom; + top = (page - 1)*m_PrintoutHeight; + bottom = top + m_PrintoutHeight; + + WXLO_DEBUG((wxT("OnPrintPage(%d) printing from %d to %d"), page, top, + bottom)); + + // SetDeviceOrigin() doesn't work here, so we need to manually + // translate all coordinates. + wxPoint translate(m_Offset.x,m_Offset.y-top); + m_llist->Draw(*dc, translate, top, bottom, true /* clip strictly */); + return true; } else + { return false; + } } void wxLayoutPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo) @@ -2945,30 +3300,27 @@ void wxLayoutPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, /* We allocate a temporary wxDC for printing, so that we can determine the correct paper size and scaling. We don't actually print anything on it. */ -#ifdef __WXMSW__ - wxPrinterDC psdc("","",WXLLIST_TEMPFILE,false); +#if defined(__WXMSW__) + wxPrinterDC *psdc = new wxPrinterDC(wxEmptyString,wxEmptyString,_T(WXLLIST_TEMPFILE),false); #else - wxPostScriptDC psdc(WXLLIST_TEMPFILE,false); + wxPostScriptDC *psdc = new wxPostScriptDC(WXLLIST_TEMPFILE,false); #endif - float scale = ScaleDC(&psdc); + psdc->StartDoc(m_title); + // before we draw anything, me must make sure the list is properly + // laid out + m_llist->Layout(*psdc); + + float scale = ScaleDC(psdc); - psdc.GetSize(&m_PageWidth, &m_PageHeight); + psdc->GetSize(&m_PageWidth, &m_PageHeight); - // This sets a left/top origin of 10% and 7%: - m_Offset = wxPoint((10*m_PageWidth)/100, (7*m_PageHeight)/100); + // This sets a left/top origin of 15% and 5%: + m_Offset = wxPoint((15*m_PageWidth)/100, (5*m_PageHeight)/100); // This is the length of the printable area. m_PrintoutHeight = m_PageHeight - 2*m_Offset.y; m_PrintoutHeight = (int)( m_PrintoutHeight / scale); // we want to use the real paper height -#if 0 - // We should really use the margin settings of wxWindows somehow. - m_Offset = wxPoint(0,0); - // This is the length of the printable area. - m_PrintoutHeight = m_PageHeight; - m_PrintoutHeight = (int)( m_PrintoutHeight / scale); // we want to use the real paper height -#endif - m_NumOfPages = 1 + (int)( m_llist->GetSize().y / (float)(m_PrintoutHeight)); @@ -2978,7 +3330,9 @@ void wxLayoutPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, *selPageFrom = 1; *selPageTo = m_NumOfPages; - wxRemoveFile(WXLLIST_TEMPFILE); + psdc->EndDoc(); + delete psdc; + wxRemoveFile(_T(WXLLIST_TEMPFILE)); } bool wxLayoutPrintout::HasPage(int pageNum)