colobot/src/ui/edit.cpp

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2012-03-19 11:44:39 +00:00
// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * This program is free software: you can redistribute it and/or modify
// * it under the terms of the GNU General Public License as published by
// * the Free Software Foundation, either version 3 of the License, or
// * (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program. If not, see http://www.gnu.org/licenses/.
// edit.cpp
#define STRICT
#define D3D_OVERLOADS
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <windows.h>
#include <d3d.h>
#include "common/struct.h"
#include "graphics/d3d/d3dengine.h"
#include "common/language.h"
#include "math/old/math3d.h"
#include "common/event.h"
#include "common/misc.h"
#include "common/iman.h"
#include "common/restext.h"
#include "ui/scroll.h"
#include "graphics/common/text.h"
#include "ui/edit.h"
const float MARGX = (5.0f/640.0f);
const float MARGY = (5.0f/480.0f);
const float MARGYS = (4.0f/480.0f);
const float MARGY1 = (1.0f/480.0f);
const float DELAY_DBCLICK = 0.3f; // time limit for double-click
const float DELAY_SCROLL = 0.1f; // time limit for scroll
const float BIG_FONT = 1.6f; // expansion for \b;
// Indicates whether a character is a space.
bool IsSpace(int character)
{
return ( character == ' ' ||
character == '\t' ||
character == '\n' );
}
// Indicates whether a character is part of a word.
bool IsWord(int character)
{
char c;
c = tolower(RetNoAccent(character));
return ( (c >= 'a' && c <= 'z') ||
(c >= '0' && c <= '9') ||
c == '_' );
}
// Indicates whether a character is a word separator.
bool IsSep(int character)
{
if ( IsSpace(character) ) return false;
return !IsWord(character);
}
// Object's constructor.
CEdit::CEdit(CInstanceManager* iMan) : CControl(iMan)
{
FPOINT pos;
int i;
m_maxChar = 100;
m_text = (char*)malloc(sizeof(char)*(m_maxChar+1));
m_format = 0;
m_len = 0;
m_fontType = FONT_COURIER;
m_scroll = 0;
m_bEdit = true;
m_bHilite = true;
m_bInsideScroll = true;
m_bCapture = false;
m_bDisplaySpec = false;
m_bSoluce = false;
m_bGeneric = false;
m_bAutoIndent = false;
m_cursor1 = 0;
m_cursor2 = 0;
m_column = 0;
m_imageTotal = 0;
HyperFlush();
for ( i=0 ; i<EDITUNDOMAX ; i++ )
{
m_undo[i].text = 0;
}
m_bUndoForce = true;
m_undoOper = OPERUNDO_SPEC;
}
// Object's destructor.
CEdit::~CEdit()
{
int i;
FreeImage();
for ( i=0 ; i<EDITUNDOMAX ; i++ )
{
delete m_undo[i].text;
}
delete m_text;
delete m_format;
delete m_scroll;
}
// Creates a new editable line.
bool CEdit::Create(FPOINT pos, FPOINT dim, int icon, EventMsg eventMsg)
{
CScroll* pc;
FPOINT start, end;
if ( eventMsg == EVENT_NULL ) eventMsg = GetUniqueEventMsg();
CControl::Create(pos, dim, icon, eventMsg);
m_len = 0;
m_lineFirst = 0;
m_time = 0.0f;
m_timeBlink = 0.0f;
m_timeLastClick = 0.0f;
m_timeLastScroll = 0.0f;
m_bMulti = false;
MoveAdjust();
if ( m_lineVisible <= 1 )
{
m_bMulti = false;
}
else
{
m_bMulti = true;
MoveAdjust(); // readjusts multi-line mode
m_scroll = new CScroll(m_iMan);
pc = (CScroll*)m_scroll;
pc->Create(pos, dim, -1, EVENT_NULL);
MoveAdjust();
}
return true;
}
void CEdit::SetPos(FPOINT pos)
{
CControl::SetPos(pos);
MoveAdjust();
}
void CEdit::SetDim(FPOINT dim)
{
CControl::SetDim(dim);
MoveAdjust();
}
void CEdit::MoveAdjust()
{
FPOINT pos, dim;
float height;
m_lineDescent = m_engine->RetText()->RetDescent(m_fontSize, m_fontType);
m_lineAscent = m_engine->RetText()->RetAscent(m_fontSize, m_fontType);
m_lineHeight = m_engine->RetText()->RetHeight(m_fontSize, m_fontType);
height = m_dim.y-(m_bMulti?MARGY*2.0f:MARGY1);
m_lineVisible = (int)(height/m_lineHeight);
if ( m_scroll != 0 )
{
if ( m_bInsideScroll )
{
pos.x = m_pos.x+m_dim.x-MARGX-SCROLL_WIDTH;
pos.y = m_pos.y+MARGYS;
dim.x = SCROLL_WIDTH;
dim.y = m_dim.y-MARGYS*2.0f;
}
else
{
pos.x = m_pos.x+m_dim.x-SCROLL_WIDTH;
pos.y = m_pos.y;
dim.x = SCROLL_WIDTH;
dim.y = m_dim.y;
}
m_scroll->SetPos(pos);
m_scroll->SetDim(dim);
}
Justif();
if ( m_lineFirst > m_lineTotal-m_lineVisible )
{
m_lineFirst = m_lineTotal-m_lineVisible;
if ( m_lineFirst < 0 ) m_lineFirst = 0;
}
pos.x = m_pos.x+m_dim.x-(m_bMulti?SCROLL_WIDTH:0.0f);
pos.y = m_pos.y;
GlintCreate(pos, false, false);
}
// Management of an event.
bool CEdit::EventProcess(const Event &event)
{
bool bShift, bControl;
if ( (m_state & STATE_VISIBLE) == 0 ) return true;
if ( event.event == EVENT_KEYDOWN &&
event.param == VK_WHEELUP &&
Detect(event.pos) )
{
Scroll(m_lineFirst-3, true);
return true;
}
if ( event.event == EVENT_KEYDOWN &&
event.param == VK_WHEELDOWN &&
Detect(event.pos) )
{
Scroll(m_lineFirst+3, true);
return true;
}
CControl::EventProcess(event);
if ( event.event == EVENT_FRAME )
{
m_time += event.rTime;
m_timeBlink += event.rTime;
}
if ( event.event == EVENT_MOUSEMOVE )
{
if ( Detect(event.pos) &&
event.pos.x < m_pos.x+m_dim.x-(m_bMulti?MARGX+SCROLL_WIDTH:0.0f) )
{
if ( m_bEdit )
{
m_engine->SetMouseType(D3DMOUSEEDIT);
}
else
{
if ( IsLinkPos(event.pos) )
{
m_engine->SetMouseType(D3DMOUSEHAND);
}
else
{
m_engine->SetMouseType(D3DMOUSENORM);
}
}
}
}
if ( m_scroll != 0 && !m_bGeneric )
{
m_scroll->EventProcess(event);
if ( event.event == m_scroll->RetEventMsg() )
{
Scroll();
return true;
}
}
if ( event.event == EVENT_KEYDOWN && m_bFocus )
{
bShift = (event.keyState&KS_SHIFT);
bControl = (event.keyState&KS_CONTROL);
if ( (event.param == 'X' && !bShift && bControl) ||
(event.param == VK_DELETE && bShift && !bControl) )
{
Cut();
return true;
}
if ( (event.param == 'C' && !bShift && bControl) ||
(event.param == VK_INSERT && !bShift && bControl) )
{
Copy();
return true;
}
if ( (event.param == 'V' && !bShift && bControl) ||
(event.param == VK_INSERT && bShift && !bControl) )
{
Paste();
return true;
}
if ( event.param == 'A' && !bShift && bControl )
{
SetCursor(999999, 0);
return true;
}
if ( event.param == 'O' && !bShift && bControl )
{
Event newEvent;
m_event->MakeEvent(newEvent, EVENT_STUDIO_OPEN);
m_event->AddEvent(newEvent);
}
if ( event.param == 'S' && !bShift && bControl )
{
Event newEvent;
m_event->MakeEvent(newEvent, EVENT_STUDIO_SAVE);
m_event->AddEvent(newEvent);
}
if ( event.param == 'Z' && !bShift && bControl )
{
Undo();
return true;
}
if ( event.param == 'U' && !bShift && bControl )
{
if ( MinMaj(false) ) return true;
}
if ( event.param == 'U' && bShift && bControl )
{
if ( MinMaj(true) ) return true;
}
if ( event.param == VK_TAB && !bShift && !bControl && !m_bAutoIndent )
{
if ( Shift(false) ) return true;
}
if ( event.param == VK_TAB && bShift && !bControl && !m_bAutoIndent )
{
if ( Shift(true) ) return true;
}
if ( m_bEdit )
{
if ( event.param == VK_LEFT )
{
MoveChar(-1, bControl, bShift);
return true;
}
if ( event.param == VK_RIGHT )
{
MoveChar(1, bControl, bShift);
return true;
}
if ( event.param == VK_UP )
{
MoveLine(-1, bControl, bShift);
return true;
}
if ( event.param == VK_DOWN )
{
MoveLine(1, bControl, bShift);
return true;
}
if ( event.param == VK_PRIOR ) // PageUp ?
{
MoveLine(-(m_lineVisible-1), bControl, bShift);
return true;
}
if ( event.param == VK_NEXT ) // PageDown ?
{
MoveLine(m_lineVisible-1, bControl, bShift);
return true;
}
}
else
{
if ( event.param == VK_LEFT ||
event.param == VK_UP )
{
Scroll(m_lineFirst-1, true);
return true;
}
if ( event.param == VK_RIGHT ||
event.param == VK_DOWN )
{
Scroll(m_lineFirst+1, true);
return true;
}
if ( event.param == VK_PRIOR ) // PageUp ?
{
Scroll(m_lineFirst-(m_lineVisible-1), true);
return true;
}
if ( event.param == VK_NEXT ) // PageDown ?
{
Scroll(m_lineFirst+(m_lineVisible-1), true);
return true;
}
}
if ( event.param == VK_HOME )
{
MoveHome(bControl, bShift);
return true;
}
if ( event.param == VK_END )
{
MoveEnd(bControl, bShift);
return true;
}
if ( event.param == VK_BACK ) // backspace ( <- ) ?
{
Delete(-1);
SendModifEvent();
return true;
}
if ( event.param == VK_DELETE )
{
Delete(1);
SendModifEvent();
return true;
}
if ( event.param == VK_RETURN )
{
Insert('\n');
SendModifEvent();
return true;
}
if ( event.param == VK_TAB )
{
Insert('\t');
SendModifEvent();
return true;
}
}
if ( event.event == EVENT_CHAR && m_bFocus )
{
if ( event.param >= ' ' && event.param <= 255 )
{
Insert((char)event.param);
SendModifEvent();
return true;
}
}
if ( event.event == EVENT_FOCUS )
{
if ( event.param == m_eventMsg )
{
m_bFocus = true;
}
else
{
m_bFocus = false;
}
}
if ( event.event == EVENT_LBUTTONDOWN )
{
m_mouseFirstPos = event.pos;
m_mouseLastPos = event.pos;
if ( Detect(event.pos) )
{
if ( event.pos.x < m_pos.x+m_dim.x-(m_bMulti?MARGX+SCROLL_WIDTH:0.0f) )
{
MouseClick(event.pos);
if ( m_bEdit || m_bHilite ) m_bCapture = true;
}
m_bFocus = true;
}
else
{
m_bFocus = false;
}
}
if ( event.event == EVENT_MOUSEMOVE && m_bCapture )
{
m_mouseLastPos = event.pos;
MouseMove(event.pos);
}
if ( event.event == EVENT_FRAME && m_bCapture )
{
MouseMove(m_mouseLastPos);
}
if ( event.event == EVENT_LBUTTONUP )
{
if ( Detect(event.pos) )
{
if ( event.pos.x < m_pos.x+m_dim.x-(m_bMulti?MARGX+SCROLL_WIDTH:0.0f) )
{
MouseRelease(m_mouseFirstPos);
}
}
if ( m_bCapture )
{
if ( m_timeLastClick+DELAY_DBCLICK > m_time ) // double-click ?
{
MouseDoubleClick(event.pos);
}
m_timeLastClick = m_time;
m_bCapture = false;
}
}
return true;
}
// Sends an event to indicate that the text was modified.
void CEdit::SendModifEvent()
{
Event newEvent;
m_event->MakeEvent(newEvent, m_eventMsg);
m_event->AddEvent(newEvent);
}
// Detects whether the mouse is over a hyperlink character.
bool CEdit::IsLinkPos(FPOINT pos)
{
int i;
if ( m_format == 0 ) return false;
i = MouseDetect(pos);
if ( i == -1 ) return false;
if ( i >= m_len ) return false;
if ( (m_format[i]&COLOR_MASK) == COLOR_LINK ) return true;
return false;
}
// Positions the cursor after a double click.
void CEdit::MouseDoubleClick(FPOINT mouse)
{
int i, character;
if ( m_bMulti ) // Multi-line?
{
i = MouseDetect(mouse);
if ( i == -1 ) return;
while ( i > 0 )
{
character = (unsigned char)m_text[i-1];
if ( !IsWord(character) ) break;
i --;
}
m_cursor2 = i;
while ( i < m_len )
{
character = (unsigned char)m_text[i];
if ( !IsWord(character) ) break;
i ++;
}
m_cursor1 = i;
}
else // single-line?
{
m_cursor2 = 0;
m_cursor1 = m_len; // selects all
}
m_bUndoForce = true;
Justif();
ColumnFix();
}
// Positions the cursor when clicked.
void CEdit::MouseClick(FPOINT mouse)
{
int i;
i = MouseDetect(mouse);
if ( i == -1 ) return;
if ( m_bEdit || m_bHilite )
{
m_cursor1 = i;
m_cursor2 = i;
m_bUndoForce = true;
m_timeBlink = 0.0f; // lights the cursor immediately
ColumnFix();
}
}
// Positions the cursor when clicked released.
void CEdit::MouseRelease(FPOINT mouse)
{
int i, j, rank;
i = MouseDetect(mouse);
if ( i == -1 ) return;
if ( !m_bEdit )
{
if ( m_format != 0 && i < m_len && m_cursor1 == m_cursor2 &&
(m_format[i]&COLOR_MASK) == COLOR_LINK )
{
rank = -1;
for ( j=0 ; j<=i ; j++ )
{
if ( (j == 0 || (m_format[j-1]&COLOR_MASK) != COLOR_LINK) &&
(m_format[j+0]&COLOR_MASK) == COLOR_LINK )
{
rank ++;
}
}
HyperJump(m_link[rank].name, m_link[rank].marker);
}
}
}
// Positions the cursor after movement.
void CEdit::MouseMove(FPOINT mouse)
{
int i;
if ( m_bMulti &&
m_timeLastScroll+DELAY_SCROLL <= m_time )
{
if ( mouse.y > m_pos.y+m_dim.y ) // above?
{
Scroll(m_lineFirst-1, false);
mouse.y = m_pos.y+m_dim.y-MARGY-m_lineHeight/2.0f;
}
if ( mouse.y < m_pos.y ) // lower?
{
Scroll(m_lineFirst+1, false);
mouse.y = m_pos.y+m_dim.y-MARGY-m_lineVisible*m_lineHeight+m_lineHeight/2.0f;
}
m_timeLastScroll = m_time;
}
i = MouseDetect(mouse);
if ( i != -1 )
{
m_cursor1 = i;
m_bUndoForce = true;
m_timeBlink = 0.0f; // lights the cursor immediately
ColumnFix();
}
}
// Positions the cursor when clicked.
int CEdit::MouseDetect(FPOINT mouse)
{
FPOINT pos;
float indentLength, offset, size;
int i, len, c;
bool bTitle;
if ( m_bAutoIndent )
{
indentLength = m_engine->RetText()->RetCharWidth(' ', 0.0f, m_fontSize, m_fontStretch, m_fontType)
* m_engine->RetEditIndentValue();
}
pos.y = m_pos.y+m_dim.y-m_lineHeight-(m_bMulti?MARGY:MARGY1);
for ( i=m_lineFirst ; i<m_lineTotal ; i++ )
{
bTitle = ( m_format != 0 && (m_format[m_lineOffset[i]]&TITLE_MASK) == TITLE_BIG );
if ( i >= m_lineFirst+m_lineVisible ) break;
pos.x = m_pos.x+(10.0f/640.0f);
if ( m_bAutoIndent )
{
pos.x += indentLength*m_lineIndent[i];
}
offset = mouse.x-pos.x;
if ( bTitle ) pos.y -= m_lineHeight;
if ( mouse.y > pos.y )
{
len = m_lineOffset[i+1] - m_lineOffset[i];
if ( m_format == 0 )
{
c = m_engine->RetText()->Detect(m_text+m_lineOffset[i],
len, offset, m_fontSize,
m_fontStretch, m_fontType);
}
else
{
size = m_fontSize;
if ( bTitle ) size *= BIG_FONT;
c = m_engine->RetText()->Detect(m_text+m_lineOffset[i],
m_format+m_lineOffset[i],
len, offset, size,
m_fontStretch);
}
return m_lineOffset[i]+c;
}
if ( bTitle ) i ++;
pos.y -= m_lineHeight;
}
return -1;
}
// Clears all history.
void CEdit::HyperFlush()
{
m_historyTotal = 0;
m_historyCurrent = -1;
}
// Indicates which is the home page.
void CEdit::HyperHome(char *filename)
{
HyperFlush();
HyperAdd(filename, 0);
}
// Performs a hyper jump through a link.
void CEdit::HyperJump(char *name, char *marker)
{
char filename[100];
char sMarker[100];
int i, line, pos;
if ( m_historyCurrent >= 0 )
{
m_history[m_historyCurrent].firstLine = m_lineFirst;
}
strcpy(sMarker, marker);
//? sprintf(filename, "help\\%s.txt", name);
if ( name[0] == '%' )
{
UserDir(filename, name, "");
strcat(filename, ".txt");
}
else
{
sprintf(filename, "help\\%s.txt", name);
}
if ( ReadText(filename) )
{
Justif();
line = 0;
for ( i=0 ; i<m_markerTotal ; i++ )
{
if ( strcmp(sMarker, m_marker[i].name) == 0 )
{
pos = m_marker[i].pos;
for ( i=0 ; i<m_lineTotal ; i++ )
{
if ( pos >= m_lineOffset[i] )
{
line = i;
}
}
break;
}
}
SetFirstLine(line);
HyperAdd(filename, line);
}
}
// Adds text to the history of visited.
bool CEdit::HyperAdd(char *filename, int firstLine)
{
if ( m_historyCurrent >= EDITHISTORYMAX-1 ) return false;
m_historyCurrent ++;
strcpy(m_history[m_historyCurrent].filename, filename);
m_history[m_historyCurrent].firstLine = firstLine;
m_historyTotal = m_historyCurrent+1;
return true;
}
// Indicates whether a button EVENT_HYPER_ * is active or not.
bool CEdit::HyperTest(EventMsg event)
{
if ( event == EVENT_HYPER_HOME )
{
return ( m_historyCurrent > 0 );
}
if ( event == EVENT_HYPER_PREV )
{
return ( m_historyCurrent > 0 );
}
if ( event == EVENT_HYPER_NEXT )
{
return ( m_historyCurrent < m_historyTotal-1 );
}
return false;
}
// Performs the action corresponding to a button EVENT_HYPER_ *.
bool CEdit::HyperGo(EventMsg event)
{
if ( !HyperTest(event) ) return false;
m_history[m_historyCurrent].firstLine = m_lineFirst;
if ( event == EVENT_HYPER_HOME )
{
m_historyCurrent = 0;
}
if ( event == EVENT_HYPER_PREV )
{
m_historyCurrent --;
}
if ( event == EVENT_HYPER_NEXT )
{
m_historyCurrent ++;
}
ReadText(m_history[m_historyCurrent].filename);
Justif();
SetFirstLine(m_history[m_historyCurrent].firstLine);
return true;
}
// Draw the editable line.
void CEdit::Draw()
{
FPOINT pos, ppos, dim, start, end;
float size, indentLength;
int i, j, beg, len, c1, c2, o1, o2, eol, iIndex, line;
if ( (m_state & STATE_VISIBLE) == 0 ) return;
if ( m_state & STATE_SHADOW )
{
DrawShadow(m_pos, m_dim);
}
pos.x = m_pos.x;
pos.y = m_pos.y;
dim.x = m_dim.x;
if ( !m_bInsideScroll ) dim.x -= m_bMulti?SCROLL_WIDTH:0.0f;
dim.y = m_dim.y;
DrawBack(pos, dim); // background
// Displays all lines.
c1 = m_cursor1;
c2 = m_cursor2;
if ( c1 > c2 ) Swap(c1, c2); // always c1 <= c2
if ( m_bInsideScroll )
{
dim.x -= m_bMulti?SCROLL_WIDTH:0.0f + (1.0f/640.0f);
}
if ( m_bAutoIndent )
{
indentLength = m_engine->RetText()->RetCharWidth(' ', 0.0f, m_fontSize, m_fontStretch, m_fontType)
* m_engine->RetEditIndentValue();
}
pos.y = m_pos.y+m_dim.y-m_lineHeight-(m_bMulti?MARGY:MARGY1);
for ( i=m_lineFirst ; i<m_lineTotal ; i++ )
{
if ( i == m_lineFirst && i < m_lineTotal-1 &&
m_lineOffset[i] == m_lineOffset[i+1] )
{
pos.y -= m_lineHeight; // Double jump line \b;
i ++;
}
if ( i >= m_lineFirst+m_lineVisible ) break;
pos.x = m_pos.x+(10.0f/640.0f);
if ( m_bAutoIndent )
{
for ( j=0 ; j<m_lineIndent[i] ; j++ )
{
char s = '\t'; // line | dotted
m_engine->RetText()->DrawText(&s, 1, pos, 1.0f, 1, m_fontSize, m_fontStretch, m_fontType, 0);
pos.x += indentLength;
}
}
beg = m_lineOffset[i];
len = m_lineOffset[i+1] - m_lineOffset[i];
ppos = pos;
size = m_fontSize;
// Headline \b;?
if ( beg+len < m_len && m_format != 0 &&
(m_format[beg]&TITLE_MASK) == TITLE_BIG )
{
start.x = ppos.x-MARGX;
end.x = dim.x-MARGX*2.0f;
start.y = ppos.y-(m_bMulti?0.0f:MARGY1)-m_lineHeight*(BIG_FONT-1.0f);
end.y = m_lineHeight*BIG_FONT;
DrawPart(start, end, 2); // blue gradient background ->
size *= BIG_FONT;
ppos.y -= m_lineHeight*(BIG_FONT-1.0f);
}
// As \t;?
if ( beg+len < m_len && m_format != 0 &&
(m_format[beg]&TITLE_MASK) == TITLE_NORM )
{
start.x = ppos.x-MARGX;
end.x = dim.x-MARGX*2.0f;
start.y = ppos.y-(m_bMulti?0.0f:MARGY1);
end.y = m_lineHeight;
DrawPart(start, end, 2); // blue gradient background ->
}
// Subtitle \s;?
if ( beg+len < m_len && m_format != 0 &&
(m_format[beg]&TITLE_MASK) == TITLE_LITTLE )
{
start.x = ppos.x-MARGX;
end.x = dim.x-MARGX*2.0f;
start.y = ppos.y-(m_bMulti?0.0f:MARGY1);
end.y = m_lineHeight;
DrawPart(start, end, 3); // yellow background gradient ->
}
// Table \tab;?
if ( beg+len < m_len && m_format != 0 &&
(m_format[beg]&COLOR_MASK) == COLOR_TABLE )
{
start.x = ppos.x-MARGX;
end.x = dim.x-MARGX*2.0f;
start.y = ppos.y-(m_bMulti?0.0f:MARGY1);
end.y = m_lineHeight;
DrawPart(start, end, 11); // fond orange d<>grad<61> ->
}
// Image \image; ?
if ( beg+len < m_len && m_format != 0 &&
(m_format[beg]&IMAGE_MASK) != 0 )
{
line = 1;
while ( true ) // includes the image slices
{
if ( i+line >= m_lineTotal ||
i+line >= m_lineFirst+m_lineVisible ||
(m_format[beg+line]&IMAGE_MASK) == 0 ) break;
line ++;
}
iIndex = m_text[beg]; // character = index in m_image
pos.y -= m_lineHeight*(line-1);
DrawImage(pos, m_image[iIndex].name,
m_image[iIndex].width*(m_fontSize/SMALLFONT),
m_image[iIndex].offset, m_image[iIndex].height*line, line);
pos.y -= m_lineHeight;
i += line-1;
continue;
}
if ( ((m_bEdit && m_bFocus && m_bHilite) ||
(!m_bEdit && m_bHilite) ) &&
c1 != c2 && beg <= c2 && beg+len >= c1 ) // selected area?
{
o1 = c1; if ( o1 < beg ) o1 = beg;
o2 = c2; if ( o2 > beg+len ) o2 = beg+len;
if ( m_format == 0 )
{
start.x = ppos.x+m_engine->RetText()->RetStringWidth(m_text+beg, o1-beg, size, m_fontStretch, m_fontType);
end.x = m_engine->RetText()->RetStringWidth(m_text+o1, o2-o1, size, m_fontStretch, m_fontType);
}
else
{
start.x = ppos.x+m_engine->RetText()->RetStringWidth(m_text+beg, m_format+beg, o1-beg, size, m_fontStretch);
end.x = m_engine->RetText()->RetStringWidth(m_text+o1, m_format+o1, o2-o1, size, m_fontStretch);
}
start.y = ppos.y-(m_bMulti?0.0f:MARGY1);
end.y = m_lineHeight;
if ( m_format != 0 && (m_format[beg]&TITLE_MASK) == TITLE_BIG ) end.y *= BIG_FONT;
DrawPart(start, end, 1); // plain yellow background
}
eol = 16; // >
if ( len > 0 && m_text[beg+len-1] == '\n' )
{
len --; // does not display the '\ n'
eol = 0; // nothing
}
if ( beg+len >= m_len )
{
eol = 2; // square (eot)
}
if ( !m_bMulti || !m_bDisplaySpec ) eol = 0;
if ( m_format == 0 )
{
m_engine->RetText()->DrawText(m_text+beg, len, ppos, m_dim.x, 1, size, m_fontStretch, m_fontType, eol);
}
else
{
m_engine->RetText()->DrawText(m_text+beg, m_format+beg, len, ppos, m_dim.x, 1, size, m_fontStretch, eol);
}
pos.y -= m_lineHeight;
if ( i < m_lineTotal-2 && m_lineOffset[i+1] == m_lineOffset[i+2] )
{
pos.y -= m_lineHeight; // double jump line \b;
i ++;
}
}
// Shows the cursor.
if ( (m_bEdit && m_bFocus && m_bHilite && Mod(m_timeBlink, 1.0f) <= 0.5f) ) // it blinks
{
pos.y = m_pos.y+m_dim.y-m_lineHeight-(m_bMulti?MARGY:MARGY1*2.0f);
for ( i=m_lineFirst ; i<m_lineTotal ; i++ )
{
if ( i == m_lineTotal-1 || m_cursor1 < m_lineOffset[i+1] )
{
pos.x = m_pos.x+(10.0f/640.0f);
if ( m_bAutoIndent )
{
pos.x += indentLength*m_lineIndent[i];
}
len = m_cursor1 - m_lineOffset[i];
if ( m_format == 0 )
{
m_engine->RetText()->DimText(m_text+m_lineOffset[i], len,
pos, 1, size,
m_fontStretch, m_fontType,
start, end);
}
else
{
m_engine->RetText()->DimText(m_text+m_lineOffset[i],
m_format+m_lineOffset[i],
len, pos, 1, size,
m_fontStretch,
start, end);
}
pos.x = end.x;
break;
}
pos.y -= m_lineHeight;
}
pos.x -= 1.0f/640.0f;
dim.x = 2.0f/640.0f;
dim.y = m_lineHeight;
DrawPart(pos, dim, 0); // red
}
if ( m_scroll != 0 && !m_bGeneric )
{
m_scroll->Draw();
}
}
// Draw an image part.
void CEdit::DrawImage(FPOINT pos, char *name, float width,
float offset, float height, int nbLine)
{
FPOINT uv1, uv2, dim;
float dp;
char filename[100];
//? sprintf(filename, "diagram\\%s.bmp", name);
UserDir(filename, name, "diagram");
strcat(filename, ".bmp");
m_engine->SetTexture(filename);
m_engine->SetState(D3DSTATENORMAL);
uv1.x = 0.0f;
uv2.x = 1.0f;
uv1.y = offset;
uv2.y = offset+height;
dp = 0.5f/256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
dim.x = width;
dim.y = m_lineHeight*nbLine;
DrawIcon(pos, dim, uv1, uv2);
}
// Draw the background.
void CEdit::DrawBack(FPOINT pos, FPOINT dim)
{
FPOINT uv1,uv2, corner;
float dp;
if ( m_bGeneric ) return;
m_engine->SetTexture("button2.tga");
m_engine->SetState(D3DSTATENORMAL);
if ( m_bMulti )
{
uv1.x = 128.0f/256.0f; // light blue
uv1.y = 64.0f/256.0f;
uv2.x = 160.0f/256.0f;
uv2.y = 96.0f/256.0f;
}
else
{
uv1.x = 160.0f/256.0f; // medium blue
uv1.y = 192.0f/256.0f;
uv2.x = 192.0f/256.0f;
uv2.y = 224.0f/256.0f;
}
if ( m_icon == 1 )
{
uv1.x = 192.0f/256.0f; // orange
uv1.y = 96.0f/256.0f;
uv2.x = 224.0f/256.0f;
uv2.y = 128.0f/256.0f;
}
dp = 0.5f/256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
if ( m_bMulti )
{
corner.x = 10.0f/640.0f;
corner.y = 10.0f/480.0f;
DrawIcon(pos, dim, uv1, uv2, corner, 8.0f/256.0f);
}
else
{
DrawIcon(pos, dim, uv1, uv2, 8.0f/256.0f);
}
}
// Draws an icon background.
void CEdit::DrawPart(FPOINT pos, FPOINT dim, int icon)
{
FPOINT uv1, uv2;
float dp;
#if _POLISH
m_engine->SetTexture("textp.tga");
#else
m_engine->SetTexture("text.tga");
#endif
m_engine->SetState(D3DSTATENORMAL);
uv1.x = (16.0f/256.0f)*(icon%16);
uv1.y = (240.0f/256.0f);
uv2.x = (16.0f/256.0f)+uv1.x;
uv2.y = (16.0f/256.0f)+uv1.y;
dp = 0.5f/256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
DrawIcon(pos, dim, uv1, uv2);
}
// Give the text to edit.
void CEdit::SetText(char *text, bool bNew)
{
int i, j, font;
bool bBOL;
if ( !bNew ) UndoMemorize(OPERUNDO_SPEC);
m_len = strlen(text);
if ( m_len > m_maxChar ) m_len = m_maxChar;
if ( m_format == 0 )
{
if ( m_bAutoIndent )
{
j = 0;
bBOL = true;
for ( i=0 ; i<m_len ; i++ )
{
if ( text[i] == '\t' )
{
if ( !bBOL ) m_text[j++] = ' ';
continue; // removes tabs
}
bBOL = ( text[i] == '\n' );
m_text[j++] = text[i];
}
m_len = j;
}
else
{
strncpy(m_text, text, m_len);
}
}
else
{
font = m_fontType;
j = 0;
bBOL = true;
for ( i=0 ; i<m_len ; i++ )
{
if ( m_bAutoIndent )
{
if ( text[i] == '\t' )
{
if ( !bBOL )
{
m_text[j] = ' ';
m_format[j] = font;
j ++;
}
continue; // removes tabs
}
bBOL = ( text[i] == '\n' );
}
if ( text[i] == '\\' && text[i+2] == ';' )
{
if ( text[i+1] == 'n' ) // normal ?
{
font &= ~FONT_MASK;
font |= FONT_COLOBOT;
i += 2;
}
else if ( text[i+1] == 'c' ) // cbot ?
{
font &= ~FONT_MASK;
font |= FONT_COURIER;
i += 2;
}
else if ( text[i+1] == 'b' ) // big title ?
{
font &= ~TITLE_MASK;
font |= TITLE_BIG;
i += 2;
}
else if ( text[i+1] == 't' ) // title ?
{
font &= ~TITLE_MASK;
font |= TITLE_NORM;
i += 2;
}
else if ( text[i+1] == 's' ) // subtitle ?
{
font &= ~TITLE_MASK;
font |= TITLE_LITTLE;
i += 2;
}
}
else
{
m_text[j] = text[i];
m_format[j] = font;
j ++;
font &= ~TITLE_MASK; // reset title
}
}
m_len = j;
}
if ( bNew ) UndoFlush();
m_cursor1 = 0;
m_cursor2 = 0; // cursor to the beginning
Justif();
ColumnFix();
}
// Returns a pointer to the edited text.
char* CEdit::RetText()
{
m_text[m_len] = 0;
return m_text;
}
// Returns the edited text.
void CEdit::GetText(char *buffer, int max)
{
if ( m_len < max ) max = m_len;
if ( m_len > max ) max = max-1;
strncpy(buffer, m_text, max);
buffer[max] = 0;
}
// Returns the length of the text.
int CEdit::RetTextLength()
{
return m_len;
}
// Returns a name in a command.
// \x nom1 nom2 nom3;
void GetNameParam(char *cmd, int rank, char *buffer)
{
int i;
for ( i=0 ; i<rank ; i++ )
{
while ( *cmd != ' ' && *cmd != ';' )
{
cmd ++;
}
if ( *cmd != ';' ) cmd ++;
}
while ( *cmd != ' ' && *cmd != ';' )
{
*buffer++ = *cmd++;
}
*buffer = 0;
}
// Returns a number of a command.
// \x nom n1 n2;
int RetValueParam(char *cmd, int rank)
{
int n, i;
for ( i=0 ; i<rank ; i++ )
{
while ( *cmd != ' ' && *cmd != ';' )
{
cmd ++;
}
if ( *cmd != ';' ) cmd ++;
}
sscanf(cmd, "%d", &n);
return n;
}
// Frees all images.
void CEdit::FreeImage()
{
char filename[100];
int i;
for ( i=0 ; i<m_imageTotal ; i++ )
{
//? sprintf(filename, "diagram\\%s.bmp", m_image[i].name);
UserDir(filename, m_image[i].name, "diagram");
strcat(filename, ".bmp");
m_engine->FreeTexture(filename);
}
}
// Reads the texture of an image.
void CEdit::LoadImage(char *name)
{
char filename[100];
//? sprintf(filename, "diagram\\%s.bmp", name);
UserDir(filename, name, "diagram");
strcat(filename, ".bmp");
m_engine->LoadTexture(filename);
}
// Read from a text file.
bool CEdit::ReadText(char *filename, int addSize)
{
FILE *file = NULL;
char *buffer;
int len, i, j, n, font, iIndex, iLines, iCount, iLink, res;
char iName[50];
char text[50];
float iWidth;
KeyRank key;
bool bInSoluce, bBOL;
if ( filename[0] == 0 ) return false;
file = fopen(filename, "rb");
if ( file == NULL ) return false;
fseek(file, 0, SEEK_END);
len = ftell(file);
fseek(file, 0, SEEK_SET);
m_maxChar = len+addSize+100;
m_len = len;
m_cursor1 = 0;
m_cursor2 = 0;
FreeImage();
delete m_text;
m_text = (char*)malloc(sizeof(char)*(m_maxChar+1));
buffer = (char*)malloc(sizeof(char)*(m_maxChar+1));
fread(buffer, 1, len, file);
if ( m_format != 0 )
{
delete m_format;
m_format = (char*)malloc(sizeof(char)*m_maxChar);
}
fclose(file);
bInSoluce = false;
font = m_fontType;
iIndex = 0;
iLink = 0;
m_imageTotal = 0;
m_markerTotal = 0;
i = j = 0;
bBOL = true;
while ( i < m_len )
{
if ( m_bAutoIndent )
{
if ( buffer[i] == '\t' )
{
if ( !bBOL )
{
m_text[j] = buffer[i];
if ( m_format != 0 ) m_format[j] = font;
j ++;
}
i ++;
continue; // removes the tabs
}
bBOL = ( buffer[i] == '\n' || buffer[i] == '\r' );
}
if ( buffer[i] == '\r' ) // removes \ r
{
i ++;
}
else if ( m_format != 0 && buffer[i] == '\\' && buffer[i+2] == ';' )
{
if ( buffer[i+1] == 'n' ) // normal ?
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~FONT_MASK;
font |= FONT_COLOBOT;
}
i += 3;
}
else if ( buffer[i+1] == 'c' ) // cbot ?
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~FONT_MASK;
font |= FONT_COURIER;
}
i += 3;
}
else if ( buffer[i+1] == 'b' ) // big title ?
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~TITLE_MASK;
font |= TITLE_BIG;
}
i += 3;
}
else if ( buffer[i+1] == 't' ) // title ?
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~TITLE_MASK;
font |= TITLE_NORM;
}
i += 3;
}
else if ( buffer[i+1] == 's' ) // subtitle ?
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~TITLE_MASK;
font |= TITLE_LITTLE;
}
i += 3;
}
else if ( buffer[i+1] == 'l' ) // link ?
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~COLOR_MASK;
font |= COLOR_LINK;
}
i += 3;
}
else
{
i += 3;
}
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \u marker name; ?
buffer[i+1] == 'u' &&
buffer[i+2] == ' ' )
{
if ( m_bSoluce || !bInSoluce )
{
if ( iLink < EDITLINKMAX )
{
GetNameParam(buffer+i+3, 0, m_link[iLink].name);
GetNameParam(buffer+i+3, 1, m_link[iLink].marker);
iLink ++;
}
font &= ~COLOR_MASK;
}
i += strchr(buffer+i, ';')-(buffer+i)+1;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \m marker; ?
buffer[i+1] == 'm' &&
buffer[i+2] == ' ' )
{
if ( m_bSoluce || !bInSoluce )
{
if ( m_markerTotal < EDITLINKMAX )
{
GetNameParam(buffer+i+3, 0, m_marker[m_markerTotal].name);
m_marker[m_markerTotal].pos = j;
m_markerTotal ++;
}
}
i += strchr(buffer+i, ';')-(buffer+i)+1;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \image name lx ly; ?
buffer[i+1] == 'i' &&
buffer[i+2] == 'm' &&
buffer[i+3] == 'a' &&
buffer[i+4] == 'g' &&
buffer[i+5] == 'e' &&
buffer[i+6] == ' ' )
{
if ( m_bSoluce || !bInSoluce )
{
#if _DEMO
strcpy(iName, "demo");
#else
GetNameParam(buffer+i+7, 0, iName);
#endif
//? iWidth = m_lineHeight*RetValueParam(buffer+i+7, 1);
iWidth = (float)RetValueParam(buffer+i+7, 1);
iWidth *= m_engine->RetText()->RetHeight(SMALLFONT, FONT_COLOBOT);
iLines = RetValueParam(buffer+i+7, 2);
LoadImage(iName);
// A part of image per line of text.
for ( iCount=0 ; iCount<iLines ; iCount++ )
{
strcpy(m_image[iIndex].name, iName);
m_image[iIndex].offset = (float)iCount/iLines;
m_image[iIndex].height = 1.0f/iLines;
m_image[iIndex].width = iWidth*0.75f;
m_text[j] = (char)(iIndex++); // as an index into m_image
m_format[j] = (unsigned char)IMAGE_MASK;
j ++;
}
}
i += strchr(buffer+i, ';')-(buffer+i)+1;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \button; ?
buffer[i+1] == 'b' &&
buffer[i+2] == 'u' &&
buffer[i+3] == 't' &&
buffer[i+4] == 't' &&
buffer[i+5] == 'o' &&
buffer[i+6] == 'n' &&
buffer[i+7] == ' ' )
{
if ( m_bSoluce || !bInSoluce )
{
m_text[j] = RetValueParam(buffer+i+8, 0);
m_format[j] = font|FONT_BUTTON;
j ++;
}
i += strchr(buffer+i, ';')-(buffer+i)+1;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \token; ?
buffer[i+1] == 't' &&
buffer[i+2] == 'o' &&
buffer[i+3] == 'k' &&
buffer[i+4] == 'e' &&
buffer[i+5] == 'n' &&
buffer[i+6] == ';' )
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~COLOR_MASK;
font |= COLOR_TOKEN;
}
i += 7;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \type; ?
buffer[i+1] == 't' &&
buffer[i+2] == 'y' &&
buffer[i+3] == 'p' &&
buffer[i+4] == 'e' &&
buffer[i+5] == ';' )
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~COLOR_MASK;
font |= COLOR_TYPE;
}
i += 6;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \const; ?
buffer[i+1] == 'c' &&
buffer[i+2] == 'o' &&
buffer[i+3] == 'n' &&
buffer[i+4] == 's' &&
buffer[i+5] == 't' &&
buffer[i+6] == ';' )
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~COLOR_MASK;
font |= COLOR_CONST;
}
i += 7;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \key; ?
buffer[i+1] == 'k' &&
buffer[i+2] == 'e' &&
buffer[i+3] == 'y' &&
buffer[i+4] == ';' )
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~COLOR_MASK;
font |= COLOR_KEY;
}
i += 5;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \tab; ?
buffer[i+1] == 't' &&
buffer[i+2] == 'a' &&
buffer[i+3] == 'b' &&
buffer[i+4] == ';' )
{
if ( m_bSoluce || !bInSoluce )
{
font |= COLOR_TABLE;
}
i += 5;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \norm; ?
buffer[i+1] == 'n' &&
buffer[i+2] == 'o' &&
buffer[i+3] == 'r' &&
buffer[i+4] == 'm' &&
buffer[i+5] == ';' )
{
if ( m_bSoluce || !bInSoluce )
{
font &= ~COLOR_MASK;
}
i += 6;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \begin soluce; ?
buffer[i+1] == 'b' &&
buffer[i+2] == 's' &&
buffer[i+3] == ';' )
{
bInSoluce = true;
i += 4;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \end soluce; ?
buffer[i+1] == 'e' &&
buffer[i+2] == 's' &&
buffer[i+3] == ';' )
{
bInSoluce = false;
i += 4;
}
else if ( m_format != 0 &&
buffer[i+0] == '\\' && // \key name; ?
buffer[i+1] == 'k' &&
buffer[i+2] == 'e' &&
buffer[i+3] == 'y' &&
buffer[i+4] == ' ' )
{
if ( m_bSoluce || !bInSoluce )
{
if ( SearchKey(buffer+i+5, key) )
{
res = m_engine->RetKey(key, 0);
if ( res != 0 )
{
if ( GetResource(RES_KEY, res, iName) )
{
m_text[j] = ' ';
m_format[j] = font;
j ++;
n = 0;
while ( iName[n] != 0 )
{
m_text[j] = iName[n++];
m_format[j] = font;
j ++;
}
m_text[j] = ' ';
m_format[j] = font;
j ++;
res = m_engine->RetKey(key, 1);
if ( res != 0 )
{
if ( GetResource(RES_KEY, res, iName) )
{
GetResource(RES_TEXT, RT_KEY_OR, text);
n = 0;
while ( text[n] != 0 )
{
m_text[j] = text[n++];
m_format[j] = font&~COLOR_MASK;
j ++;
}
n = 0;
while ( iName[n] != 0 )
{
m_text[j] = iName[n++];
m_format[j] = font;
j ++;
}
m_text[j] = ' ';
m_format[j] = font;
j ++;
}
}
while ( buffer[i++] != ';' );
continue;
}
}
}
m_text[j] = '?';
m_format[j] = font;
j ++;
}
while ( buffer[i++] != ';' );
}
else
{
if ( m_bSoluce || !bInSoluce )
{
m_text[j] = buffer[i];
if ( m_format != 0 ) m_format[j] = font;
j ++;
}
i ++;
font &= ~TITLE_MASK; // reset title
if ( (font&COLOR_MASK) == COLOR_TABLE )
{
font &= ~COLOR_TABLE;
}
}
}
m_len = j;
m_imageTotal = iIndex;
delete buffer;
Justif();
ColumnFix();
return true;
}
// Writes all the text in a file.
bool CEdit::WriteText(char *filename)
{
FILE* file;
char buffer[1000+20];
int i, j, k, n;
float iDim;
if ( filename[0] == 0 ) return false;
file = fopen(filename, "wb");
if ( file == NULL ) return false;
if ( m_bAutoIndent )
{
iDim = m_dim.x;
m_dim.x = 1000.0f; // puts an infinite width!
Justif();
}
i = j = k = 0;
while ( m_text[i] != 0 && i < m_len )
{
if ( m_bAutoIndent && i == m_lineOffset[k] )
{
for ( n=0 ; n<m_lineIndent[k] ; n++ )
{
buffer[j++] = '\t';
}
k ++;
}
buffer[j++] = m_text[i];
if ( m_text[i] == '\n' )
{
buffer[j-1] = '\r';
buffer[j++] = '\n'; // \r\n (0x0D, 0x0A)
}
if ( j >= 1000-1 )
{
fwrite(buffer, 1, j, file);
j = 0;
}
i ++;
}
if ( j > 0 )
{
fwrite(buffer, 1, j, file);
}
fclose(file);
if ( m_bAutoIndent )
{
m_dim.x = iDim; // presents the initial width
Justif();
}
return true;
}
// Manage the number of max characters editable.
void CEdit::SetMaxChar(int max)
{
m_maxChar = max;
FreeImage();
delete m_text;
m_text = (char*)malloc(sizeof(char)*(m_maxChar+1));
if ( m_format != 0 )
{
delete m_format;
m_format = (char*)malloc(sizeof(char)*m_maxChar);
}
m_len = 0;
m_cursor1 = 0;
m_cursor2 = 0;
Justif();
UndoFlush();
}
int CEdit::RetMaxChar()
{
return m_maxChar;
}
// Mode management "editable".
void CEdit::SetEditCap(bool bMode)
{
m_bEdit = bMode;
}
bool CEdit::RetEditCap()
{
return m_bEdit;
}
// Mode management "hilitable" (that's the franch).
void CEdit::SetHiliteCap(bool bEnable)
{
m_bHilite = bEnable;
}
bool CEdit::RetHiliteCap()
{
return m_bHilite;
}
// Lift in / out connection.
void CEdit::SetInsideScroll(bool bInside)
{
m_bInsideScroll = bInside;
}
bool CEdit::RetInsideScroll()
{
return m_bInsideScroll;
}
// Specifies whether to display the links showing the solution.
void CEdit::SetSoluceMode(bool bSoluce)
{
m_bSoluce = bSoluce;
}
bool CEdit::RetSoluceMode()
{
return m_bSoluce;
}
// Indicates whether the text is a defile that generic.
void CEdit::SetGenericMode(bool bGeneric)
{
m_bGeneric = bGeneric;
}
bool CEdit::RetGenericMode()
{
return m_bGeneric;
}
// Management of automatic indentation mode with {}.
void CEdit::SetAutoIndent(bool bMode)
{
m_bAutoIndent = bMode;
}
bool CEdit::RetAutoIndent()
{
return m_bAutoIndent;
}
// Moves the cursors.
void CEdit::SetCursor(int cursor1, int cursor2)
{
if ( cursor1 > m_len ) cursor1 = m_len;
if ( cursor2 > m_len ) cursor2 = m_len;
m_cursor1 = cursor1;
m_cursor2 = cursor2;
m_bUndoForce = true;
ColumnFix();
}
// Returns the sliders.
void CEdit::GetCursor(int &cursor1, int &cursor2)
{
cursor1 = m_cursor1;
cursor2 = m_cursor2;
}
// Displayed line modifies the first.
void CEdit::SetFirstLine(int rank)
{
Scroll(rank, true);
}
// Returns the first displayed line.
int CEdit::RetFirstLine()
{
if ( m_historyTotal > 0 )
{
if ( m_historyCurrent == 0 )
{
return m_lineFirst;
}
else
{
return m_history[0].firstLine;
}
}
return m_lineFirst;
}
// Shows the selected area.
void CEdit::ShowSelect()
{
int cursor1, cursor2, line;
if ( m_cursor1 < m_cursor2 )
{
cursor1 = m_cursor1;
cursor2 = m_cursor2;
}
else
{
cursor1 = m_cursor2;
cursor2 = m_cursor1;
}
line = RetCursorLine(cursor2);
if ( line >= m_lineFirst+m_lineVisible )
{
line -= m_lineVisible-1;
if ( line < 0 ) line = 0;
Scroll(line, false);
}
line = RetCursorLine(cursor1);
if ( line < m_lineFirst )
{
Scroll(line, false);
}
}
// Management of the display mode of special characters.
void CEdit::SetDisplaySpec(bool bDisplay)
{
m_bDisplaySpec = bDisplay;
}
bool CEdit::RetDisplaySpec()
{
return m_bDisplaySpec;
}
// Multi-fonts mode management.
void CEdit::SetMultiFont(bool bMulti)
{
if ( bMulti )
{
delete m_format;
m_format = (char*)malloc(sizeof(char)*m_maxChar);
memset(m_format, 0, m_maxChar);
}
else
{
delete m_format;
m_format = 0;
}
}
bool CEdit::RetMultiFont()
{
return ( m_format != 0 );
}
// Management of the character size.
void CEdit::SetFontSize(float size)
{
CControl::SetFontSize(size);
MoveAdjust();
}
// Moves according to the visible lift.
void CEdit::Scroll()
{
float value;
if ( m_scroll != 0 )
{
value = m_scroll->RetVisibleValue();
value *= m_lineTotal-m_lineVisible;
Scroll((int)(value+0.5f), true);
}
}
// Moves according to the visible lift.
void CEdit::Scroll(int pos, bool bAdjustCursor)
{
int max, line;
m_lineFirst = pos;
if ( m_lineFirst < 0 ) m_lineFirst = 0;
max = m_lineTotal-m_lineVisible;
if ( max < 0 ) max = 0;
if ( m_lineFirst > max ) m_lineFirst = max;
line = RetCursorLine(m_cursor1);
if ( bAdjustCursor && m_bEdit )
{
// Cursor too high?
if ( line < m_lineFirst )
{
MoveLine(m_lineFirst-line, false, false);
return;
}
// Cursor too low?
if ( line >= m_lineFirst+m_lineVisible )
{
MoveLine(m_lineFirst+m_lineVisible-line-1, false, false);
return;
}
}
Justif();
}
// Moves the cursor to the beginning of the line.
void CEdit::MoveHome(bool bWord, bool bSelect)
{
int begin, tab;
if ( bWord )
{
m_cursor1 = 0;
}
else
{
begin = m_cursor1;
while ( begin > 0 && m_text[begin-1] != '\n' )
{
begin --;
}
tab = begin;
while ( tab < m_len && (m_text[tab] == '\t' || m_text[tab] == ' ') )
{
tab ++;
}
if ( m_cursor1 == tab )
{
m_cursor1 = begin;
}
else
{
m_cursor1 = tab;
}
}
if ( !bSelect ) m_cursor2 = m_cursor1;
m_bUndoForce = true;
Justif();
ColumnFix();
}
// Moves the cursor to the end of the line.
void CEdit::MoveEnd(bool bWord, bool bSelect)
{
if ( bWord )
{
m_cursor1 = m_len;
}
else
{
while ( m_cursor1 < m_len && m_text[m_cursor1] != '\n' )
{
m_cursor1 ++;
}
}
if ( !bSelect ) m_cursor2 = m_cursor1;
m_bUndoForce = true;
Justif();
ColumnFix();
}
// Moves the cursor through characters.
void CEdit::MoveChar(int move, bool bWord, bool bSelect)
{
int character;
if ( move == -1 ) // back?
{
if ( bWord )
{
while ( m_cursor1 > 0 )
{
character = (unsigned char)m_text[m_cursor1-1];
if ( !IsSpace(character) ) break;
m_cursor1 --;
}
if ( m_cursor1 > 0 )
{
character = (unsigned char)m_text[m_cursor1-1];
if ( IsSpace(character) )
{
while ( m_cursor1 > 0 )
{
character = (unsigned char)m_text[m_cursor1-1];
if ( !IsSpace(character) ) break;
m_cursor1 --;
}
}
else if ( IsWord(character) )
{
while ( m_cursor1 > 0 )
{
character = (unsigned char)m_text[m_cursor1-1];
if ( !IsWord(character) ) break;
m_cursor1 --;
}
}
else if ( IsSep(character) )
{
while ( m_cursor1 > 0 )
{
character = (unsigned char)m_text[m_cursor1-1];
if ( !IsSep(character) ) break;
m_cursor1 --;
}
}
}
}
else
{
m_cursor1 --;
if ( m_cursor1 < 0 ) m_cursor1 = 0;
}
}
if ( move == 1 ) // advance?
{
if ( bWord )
{
if ( m_cursor1 < m_len )
{
character = (unsigned char)m_text[m_cursor1];
if ( IsSpace(character) )
{
while ( m_cursor1 < m_len )
{
character = (unsigned char)m_text[m_cursor1];
if ( !IsSpace(character) ) break;
m_cursor1 ++;
}
}
else if ( IsWord(character) )
{
while ( m_cursor1 < m_len )
{
character = (unsigned char)m_text[m_cursor1];
if ( !IsWord(character) ) break;
m_cursor1 ++;
}
}
else if ( IsSep(character) )
{
while ( m_cursor1 < m_len )
{
character = (unsigned char)m_text[m_cursor1];
if ( !IsSep(character) ) break;
m_cursor1 ++;
}
}
}
while ( m_cursor1 < m_len )
{
character = (unsigned char)m_text[m_cursor1];
if ( !IsSpace(character) ) break;
m_cursor1 ++;
}
}
else
{
m_cursor1 ++;
if ( m_cursor1 > m_len ) m_cursor1 = m_len;
}
}
if ( !bSelect ) m_cursor2 = m_cursor1;
m_bUndoForce = true;
Justif();
ColumnFix();
}
// Moves the cursor lines.
void CEdit::MoveLine(int move, bool bWord, bool bSelect)
{
float column, indentLength;
int i, line, c;
if ( move == 0 ) return;
for ( i=0 ; i>move ; i-- ) // back?
{
while ( m_cursor1 > 0 && m_text[m_cursor1-1] != '\n' )
{
m_cursor1 --;
}
if ( m_cursor1 != 0 )
{
m_cursor1 --;
while ( m_cursor1 > 0 )
{
if ( m_text[--m_cursor1] == '\n' )
{
m_cursor1 ++;
break;
}
}
}
}
for ( i=0 ; i<move ; i++ ) // advance?
{
while ( m_cursor1 < m_len )
{
if ( m_text[m_cursor1++] == '\n' )
{
break;
}
}
}
line = RetCursorLine(m_cursor1);
column = m_column;
if ( m_bAutoIndent )
{
indentLength = m_engine->RetText()->RetCharWidth(' ', 0.0f, m_fontSize, m_fontStretch, m_fontType)
* m_engine->RetEditIndentValue();
column -= indentLength*m_lineIndent[line];
}
if ( m_format == 0 )
{
c = m_engine->RetText()->Detect(m_text+m_lineOffset[line],
m_lineOffset[line+1]-m_lineOffset[line],
column, m_fontSize,
m_fontStretch, m_fontType);
}
else
{
c = m_engine->RetText()->Detect(m_text+m_lineOffset[line],
m_format+m_lineOffset[line],
m_lineOffset[line+1]-m_lineOffset[line],
column, m_fontSize, m_fontStretch);
}
m_cursor1 = m_lineOffset[line]+c;
if ( !bSelect ) m_cursor2 = m_cursor1;
m_bUndoForce = true;
Justif();
}
// Sets the horizontal position.
void CEdit::ColumnFix()
{
float indentLength;
int line;
line = RetCursorLine(m_cursor1);
if ( m_format == 0 )
{
m_column = m_engine->RetText()->RetStringWidth
(
m_text+m_lineOffset[line],
m_cursor1-m_lineOffset[line],
m_fontSize, m_fontStretch, m_fontType
);
}
else
{
m_column = m_engine->RetText()->RetStringWidth
(
m_text+m_lineOffset[line],
m_format+m_lineOffset[line],
m_cursor1-m_lineOffset[line],
m_fontSize, m_fontStretch
);
}
if ( m_bAutoIndent )
{
indentLength = m_engine->RetText()->RetCharWidth(' ', 0.0f, m_fontSize, m_fontStretch, m_fontType)
* m_engine->RetEditIndentValue();
m_column += indentLength*m_lineIndent[line];
}
}
// Cut the selected characters or entire line.
bool CEdit::Cut()
{
HGLOBAL hg;
char* text;
char c;
int c1, c2, start, len, i, j;
if ( !m_bEdit ) return false;
c1 = m_cursor1;
c2 = m_cursor2;
if ( c1 > c2 ) Swap(c1, c2); // always c1 <= c2
if ( c1 == c2 )
{
while ( c1 > 0 )
{
if ( m_text[c1-1] == '\n' ) break;
c1 --;
}
while ( c2 < m_len )
{
c2 ++;
if ( m_text[c2-1] == '\n' ) break;
}
}
if ( c1 == c2 ) return false;
start = c1;
len = c2-c1;
if ( !(hg = GlobalAlloc(GMEM_DDESHARE, len*2+1)) )
{
return false;
}
if ( !(text = (char*)GlobalLock(hg)) )
{
GlobalFree(hg);
return false;
}
j = 0;
for ( i=start ; i<start+len ; i++ )
{
c = m_text[i];
if ( c == '\n' ) text[j++] = '\r';
text[j++] = c;
}
text[j] = 0;
GlobalUnlock(hg);
if ( !OpenClipboard(NULL) )
{
GlobalFree(hg);
return false;
}
if ( !EmptyClipboard() )
{
GlobalFree(hg);
return false;
}
if ( !SetClipboardData(CF_TEXT, hg) )
{
GlobalFree(hg);
return false;
}
CloseClipboard();
UndoMemorize(OPERUNDO_SPEC);
m_cursor1 = c1;
m_cursor2 = c2;
DeleteOne(0); // deletes the selected characters
Justif();
ColumnFix();
SendModifEvent();
return true;
}
// Copy the selected characters or entire line.
bool CEdit::Copy()
{
HGLOBAL hg;
char* text;
char c;
int c1, c2, start, len, i, j;
c1 = m_cursor1;
c2 = m_cursor2;
if ( c1 > c2 ) Swap(c1, c2); // always c1 <= c2
if ( c1 == c2 )
{
while ( c1 > 0 )
{
if ( m_text[c1-1] == '\n' ) break;
c1 --;
}
while ( c2 < m_len )
{
c2 ++;
if ( m_text[c2-1] == '\n' ) break;
}
}
if ( c1 == c2 ) return false;
start = c1;
len = c2-c1;
if ( !(hg = GlobalAlloc(GMEM_DDESHARE, len*2+1)) )
{
return false;
}
if ( !(text = (char*)GlobalLock(hg)) )
{
GlobalFree(hg);
return false;
}
j = 0;
for ( i=start ; i<start+len ; i++ )
{
c = m_text[i];
if ( c == '\n' ) text[j++] = '\r';
text[j++] = c;
}
text[j] = 0;
GlobalUnlock(hg);
if ( !OpenClipboard(NULL) )
{
GlobalFree(hg);
return false;
}
if ( !EmptyClipboard() )
{
GlobalFree(hg);
return false;
}
if ( !SetClipboardData(CF_TEXT, hg) )
{
GlobalFree(hg);
return false;
}
CloseClipboard();
return true;
}
// Paste the contents of the notebook.
bool CEdit::Paste()
{
HANDLE h;
char c;
char* p;
if ( !m_bEdit ) return false;
if ( !OpenClipboard(NULL) )
{
return false;
}
if ( !(h = GetClipboardData(CF_TEXT)) )
{
CloseClipboard();
return false;
}
if ( !(p = (char*)GlobalLock(h)) )
{
CloseClipboard();
return false;
}
UndoMemorize(OPERUNDO_SPEC);
while ( *p != 0 )
{
c = *p++;
if ( c == '\r' ) continue;
if ( c == '\t' && m_bAutoIndent ) continue;
InsertOne(c);
}
GlobalUnlock(h);
CloseClipboard();
Justif();
ColumnFix();
SendModifEvent();
return true;
}
// Cancels the last action.
bool CEdit::Undo()
{
if ( !m_bEdit ) return false;
return UndoRecall();
}
// Inserts a character.
void CEdit::Insert(char character)
{
int i, level, tab;
if ( !m_bEdit ) return;
if ( !m_bMulti ) // single-line?
{
if ( character == '\n' ||
character == '\t' ) return;
}
UndoMemorize(OPERUNDO_INSERT);
if ( m_bMulti && !m_bAutoIndent )
{
if ( character == '\n' )
{
InsertOne(character);
level = IndentCompute();
for ( i=0 ; i<level ; i++ )
{
InsertOne('\t');
}
}
else if ( character == '{' )
{
tab = IndentTabCount();
if ( tab != -1 )
{
level = IndentCompute();
IndentTabAdjust(level-tab);
}
InsertOne(character);
}
else if ( character == '}' )
{
tab = IndentTabCount();
if ( tab != -1 )
{
level = IndentCompute()-1;
IndentTabAdjust(level-tab);
}
InsertOne(character);
}
else
{
InsertOne(character);
}
}
else if ( m_bAutoIndent )
{
if ( character == '{' )
{
InsertOne(character);
InsertOne('\n');
InsertOne('\n');
InsertOne('}');
MoveChar(-1, false, false);
MoveChar(-1, false, false);
}
#if 0
else if ( character == '(' )
{
InsertOne(character);
InsertOne(')');
MoveChar(-1, false, false);
}
else if ( character == '[' )
{
InsertOne(character);
InsertOne(']');
MoveChar(-1, false, false);
}
#endif
else if ( character == '\t' )
{
for ( i=0 ; i<m_engine->RetEditIndentValue() ; i++ )
{
InsertOne(' ');
}
}
else
{
InsertOne(character);
}
}
else
{
InsertOne(character);
}
Justif();
ColumnFix();
}
// Inserts a plain character.
void CEdit::InsertOne(char character)
{
int i;
if ( !m_bEdit ) return;
if ( !m_bMulti && character == '\n' ) return;
if ( m_cursor1 != m_cursor2 )
{
DeleteOne(0); // deletes the selected characters
}
if ( m_len >= m_maxChar ) return;
for ( i=m_len ; i>=m_cursor1 ; i-- )
{
m_text[i] = m_text[i-1]; // shoot
if ( m_format != 0 )
{
m_format[i] = m_format[i-1]; // shoot
}
}
m_len ++;
m_text[m_cursor1] = character;
if ( m_format != 0 )
{
m_format[m_cursor1] = 0;
}
m_cursor1++;
m_cursor2 = m_cursor1;
}
// Deletes the character left of cursor or all selected characters.
void CEdit::Delete(int dir)
{
if ( !m_bEdit ) return;
UndoMemorize(OPERUNDO_DELETE);
DeleteOne(dir);
Justif();
ColumnFix();
}
// Deletes the character left of cursor or all selected plain characters.
void CEdit::DeleteOne(int dir)
{
int i, end, hole;
if ( !m_bEdit ) return;
if ( m_cursor1 == m_cursor2 )
{
if ( dir < 0 )
{
if ( m_cursor1 == 0 ) return;
m_cursor1 --;
}
else
{
if ( m_cursor2 == m_len ) return;
m_cursor2 ++;
}
}
if ( m_cursor1 > m_cursor2 ) Swap(m_cursor1, m_cursor2);
hole = m_cursor2-m_cursor1;
end = m_len-hole;
for ( i=m_cursor1 ; i<end ; i++ )
{
m_text[i] = m_text[i+hole];
if ( m_format != 0 )
{
m_format[i] = m_format[i+hole];
}
}
m_len -= hole;
m_cursor2 = m_cursor1;
}
// Calculates the indentation level of brackets {and}.
int CEdit::IndentCompute()
{
int i, level;
level = 0;
for ( i=0 ; i<m_cursor1 ; i++ )
{
if ( m_text[i] == '{' ) level ++;
if ( m_text[i] == '}' ) level --;
}
if ( level < 0 ) level = 0;
return level;
}
// Counts the number of tabs before the cursor.
// Returns -1 if there is something else.
int CEdit::IndentTabCount()
{
int i, nb;
if ( m_cursor1 != m_cursor2 ) return -1;
i = m_cursor1;
nb = 0;
while ( i > 0 )
{
if ( m_text[i-1] == '\n' ) return nb;
if ( m_text[i-1] != '\t' ) return -1;
nb ++;
i --;
}
return nb;
}
// Adds or removes qq tabs.
void CEdit::IndentTabAdjust(int number)
{
int i;
for ( i=0 ; i<number ; i++ ) // add?
{
InsertOne('\t');
}
for ( i=0 ; i>number ; i-- ) // delete?
{
DeleteOne(-1);
}
}
// Indent the left or right the entire selection.
bool CEdit::Shift(bool bLeft)
{
bool bInvert = false;
int c1, c2, i;
if ( m_cursor1 == m_cursor2 ) return false;
UndoMemorize(OPERUNDO_SPEC);
c1 = m_cursor1;
c2 = m_cursor2;
if ( c1 > c2 )
{
Swap(c1, c2); // always c1 <= c2
bInvert = true;
}
if ( c1 > 0 )
{
if ( m_text[c1-1] != '\n' ) return false;
}
if ( c2 < m_len )
{
if ( m_text[c2-1] != '\n' ) return false;
}
if ( bLeft ) // shifts left?
{
i = c1;
while ( i < c2 )
{
if ( m_text[i] == '\t' )
{
m_cursor1 = i;
m_cursor2 = i+1;
DeleteOne(0);
c2 --;
}
while ( i < c2 && m_text[i++] != '\n' );
}
}
else // shifts right?
{
i = c1;
while ( i < c2 )
{
m_cursor1 = m_cursor2 = i;
InsertOne('\t');
c2 ++;
while ( i < c2 && m_text[i++] != '\n' );
}
}
if ( bInvert ) Swap(c1, c2);
m_cursor1 = c1;
m_cursor2 = c2;
Justif();
ColumnFix();
SendModifEvent();
return true;
}
// Min conversion <-> shift the selection.
bool CEdit::MinMaj(bool bMaj)
{
int c1, c2, i, character;
if ( m_cursor1 == m_cursor2 ) return false;
UndoMemorize(OPERUNDO_SPEC);
c1 = m_cursor1;
c2 = m_cursor2;
if ( c1 > c2 ) Swap(c1, c2); // alwyas c1 <= c2
for ( i=c1 ; i<c2 ; i++ )
{
character = (unsigned char)m_text[i];
if ( bMaj ) character = RetToUpper(character);
else character = RetToLower(character);
m_text[i] = character;
}
Justif();
ColumnFix();
SendModifEvent();
return true;
}
// Cut all text lines.
void CEdit::Justif()
{
float width, value, size, indentLength;
int i, j, line, indent;
bool bDual, bString, bRem;
indent = 0;
m_lineTotal = 0;
m_lineOffset[m_lineTotal] = 0;
m_lineIndent[m_lineTotal] = indent;
m_lineTotal ++;
if ( m_bAutoIndent )
{
indentLength = m_engine->RetText()->RetCharWidth(' ', 0.0f, m_fontSize, m_fontStretch, m_fontType)
* m_engine->RetEditIndentValue();
}
bString = bRem = false;
i = 0;
while ( true )
{
bDual = false;
width = m_dim.x-(10.0f/640.0f)*2.0f-(m_bMulti?MARGX*2.0f+SCROLL_WIDTH:0.0f);
if ( m_bAutoIndent )
{
width -= indentLength*m_lineIndent[m_lineTotal-1];
}
if ( m_format == 0 )
{
i += m_engine->RetText()->Justif(m_text+i, m_len-i, width,
m_fontSize, m_fontStretch,
m_fontType);
}
else
{
size = m_fontSize;
if ( (m_format[i]&TITLE_MASK) == TITLE_BIG ) // headline?
{
size *= BIG_FONT;
bDual = true;
}
if ( (m_format[i]&IMAGE_MASK) != 0 ) // image part?
{
i ++; // jumps just a character (index in m_image)
}
else
{
i += m_engine->RetText()->Justif(m_text+i, m_format+i,
m_len-i, width,
size, m_fontStretch);
}
}
if ( i >= m_len ) break;
if ( m_bAutoIndent )
{
for ( j=m_lineOffset[m_lineTotal-1] ; j<i ; j++ )
{
if ( !bRem && m_text[j] == '\"' ) bString = !bString;
if ( !bString &&
m_text[j] == '/' &&
m_text[j+1] == '/' ) bRem = true;
if ( m_text[j] == '\n' ) bString = bRem = false;
if ( m_text[j] == '{' && !bString && !bRem ) indent ++;
if ( m_text[j] == '}' && !bString && !bRem ) indent --;
}
if ( indent < 0 ) indent = 0;
}
m_lineOffset[m_lineTotal] = i;
m_lineIndent[m_lineTotal] = indent;
m_lineTotal ++;
if ( bDual )
{
m_lineOffset[m_lineTotal] = i;
m_lineIndent[m_lineTotal] = indent;
m_lineTotal ++;
}
if ( m_lineTotal >= EDITLINEMAX-2 ) break;
}
if ( m_len > 0 && m_text[m_len-1] == '\n' )
{
m_lineOffset[m_lineTotal] = m_len;
m_lineIndent[m_lineTotal] = 0;
m_lineTotal ++;
}
m_lineOffset[m_lineTotal] = m_len;
m_lineIndent[m_lineTotal] = 0;
if ( m_bAutoIndent )
{
for ( i=0 ; i<=m_lineTotal ; i++ )
{
if ( m_text[m_lineOffset[i]] == '}' )
{
if ( m_lineIndent[i] > 0 ) m_lineIndent[i] --;
}
}
}
if ( m_bMulti )
{
if ( m_bEdit )
{
line = RetCursorLine(m_cursor1);
if ( line < m_lineFirst )
{
m_lineFirst = line;
}
if ( line >= m_lineFirst+m_lineVisible )
{
m_lineFirst = line-m_lineVisible+1;
}
}
}
else
{
m_lineFirst = 0;
}
if ( m_scroll != 0 )
{
if ( m_lineTotal <= m_lineVisible )
{
m_scroll->SetVisibleRatio(1.0f);
m_scroll->SetVisibleValue(0.0f);
m_scroll->SetArrowStep(0.0f);
}
else
{
value = (float)m_lineVisible/m_lineTotal;
m_scroll->SetVisibleRatio(value);
value = (float)m_lineFirst/(m_lineTotal-m_lineVisible);
m_scroll->SetVisibleValue(value);
value = (float)1.0f/(m_lineTotal-m_lineVisible);
m_scroll->SetArrowStep(value);
}
}
m_timeBlink = 0.0f; // lights the cursor immediately
}
// Returns the rank of the line where the cursor is located.
int CEdit::RetCursorLine(int cursor)
{
int line, i;
line = 0;
for ( i=0 ; i<m_lineTotal ; i++ )
{
if ( cursor >= m_lineOffset[i] )
{
line = i;
}
}
return line;
}
// Flush the buffer undo.
void CEdit::UndoFlush()
{
int i;
for ( i=0 ; i<EDITUNDOMAX ; i++ )
{
delete m_undo[i].text;
m_undo[i].text = 0;
}
m_bUndoForce = true;
m_undoOper = OPERUNDO_SPEC;
}
// Memorize the current state before a change.
void CEdit::UndoMemorize(OperUndo oper)
{
int i, len;
if ( !m_bUndoForce &&
oper != OPERUNDO_SPEC &&
m_undoOper != OPERUNDO_SPEC &&
oper == m_undoOper ) return;
m_bUndoForce = false;
m_undoOper = oper;
delete m_undo[EDITUNDOMAX-1].text;
for ( i=EDITUNDOMAX-1 ; i>=1 ; i-- )
{
m_undo[i] = m_undo[i-1];
}
len = m_len;
if ( len == 0 ) len ++;
m_undo[0].text = (char*)malloc(sizeof(char)*(len+1));
memcpy(m_undo[0].text, m_text, m_len);
m_undo[0].len = m_len;
m_undo[0].cursor1 = m_cursor1;
m_undo[0].cursor2 = m_cursor2;
m_undo[0].lineFirst = m_lineFirst;
}
// Back to previous state.
bool CEdit::UndoRecall()
{
int i;
if ( m_undo[0].text == 0 ) return false;
m_len = m_undo[0].len;
memcpy(m_text, m_undo[0].text, m_len);
m_cursor1 = m_undo[0].cursor1;
m_cursor2 = m_undo[0].cursor2;
m_lineFirst = m_undo[0].lineFirst;
for ( i=0 ; i<EDITUNDOMAX-1 ; i++ )
{
m_undo[i] = m_undo[i+1];
}
m_undo[EDITUNDOMAX-1].text = 0;
m_bUndoForce = true;
Justif();
ColumnFix();
SendModifEvent();
return true;
}
// Clears the format of all characters.
bool CEdit::ClearFormat()
{
if ( m_format == 0 )
{
SetMultiFont(true);
}
memset(m_format, m_fontType, m_len);
return true;
}
// Changes the format of a sequence of characters.
bool CEdit::SetFormat(int cursor1, int cursor2, int format)
{
int i;
if ( m_format == 0 ) return false;
for ( i=cursor1 ; i<cursor2 ; i++ )
{
m_format[i] |= format;
}
return true;
}