int WDL_CursesEditor::onChar(int c)
{
if (m_state == -3 || m_state == -4)
{
switch (c)
{
case '\r': case '\n':
m_state=0;
runSearch();
break;
case 27:
m_state=0;
draw();
setCursor();
draw_message("Find cancelled.");
break;
case KEY_BACKSPACE: if (s_search_string[0]) s_search_string[strlen(s_search_string)-1]=0; m_state=-4; break;
default:
if (VALIDATE_TEXT_CHAR(c))
{
int l=m_state == -3 ? 0 : strlen(s_search_string);
m_state = -4;
if (l < (int)sizeof(s_search_string)-1) { s_search_string[l]=c; s_search_string[l+1]=0; }
}
break;
}
if (m_state)
{
attrset(m_color_message);
bkgdset(m_color_message);
mvaddstr(LINES-1,29,s_search_string);
clrtoeol();
attrset(0);
bkgdset(0);
}
return 0;
}
if (c==KEY_DOWN || c==KEY_UP || c==KEY_PPAGE||c==KEY_NPAGE || c==KEY_RIGHT||c==KEY_LEFT||c==KEY_HOME||c==KEY_END)
{
if (SHIFT_KEY_DOWN)
{
if (!m_selecting)
{
m_select_x2=m_select_x1=m_curs_x; m_select_y2=m_select_y1=m_curs_y;
m_selecting=1;
}
}
else if (m_selecting) { m_selecting=0; draw(); }
}
switch(c)
{
case 'O'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
if (m_pane_div <= 0.0 || m_pane_div >= 1.0)
{
onChar('P'-'A'+1);
}
if (m_pane_div > 0.0 && m_pane_div < 1.0)
{
m_curpane=!m_curpane;
draw();
draw_status_state();
int paney[2], paneh[2];
GetPaneDims(paney, paneh);
if (m_curs_y-m_paneoffs_y[m_curpane] < 0) m_curs_y=m_paneoffs_y[m_curpane];
else if (m_curs_y-m_paneoffs_y[m_curpane] >= paneh[m_curpane]) m_curs_y=paneh[m_curpane]+m_paneoffs_y[m_curpane]-1;
setCursor();
}
}
break;
case 'P'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
if (m_pane_div <= 0.0 || m_pane_div >= 1.0)
{
m_pane_div=0.5;
m_paneoffs_y[1]=m_paneoffs_y[0];
}
else
{
m_pane_div=1.0;
if (m_curpane) m_paneoffs_y[0]=m_paneoffs_y[1];
m_curpane=0;
}
draw();
draw_status_state();
int paney[2], paneh[2];
const int pane_divy=GetPaneDims(paney, paneh);
setCursor();
}
break;
case 407:
case 'Z'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
if (m_undoStack_pos > 0)
{
m_undoStack_pos--;
loadUndoState(m_undoStack.Get(m_undoStack_pos));
draw();
setCursor();
char buf[512];
snprintf(buf,sizeof(buf),"Undid action - %d items in undo buffer",m_undoStack_pos);
draw_message(buf);
}
else
{
draw_message("Can't Undo");
}
break;
}
// fall through
case 'Y'-'A'+1:
if ((c == 'Z'-'A'+1 || !SHIFT_KEY_DOWN) && !ALT_KEY_DOWN)
{
if (m_undoStack_pos < m_undoStack.GetSize()-1)
{
m_undoStack_pos++;
loadUndoState(m_undoStack.Get(m_undoStack_pos));
draw();
setCursor();
char buf[512];
snprintf(buf,sizeof(buf),"Redid action - %d items in redo buffer",m_undoStack.GetSize()-m_undoStack_pos-1);
draw_message(buf);
}
else
{
draw_message("Can't Redo");
}
}
break;
case KEY_IC:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
s_overwrite=!s_overwrite;
setCursor();
break;
}
// fqll through
case 'V'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
// generate a m_clipboard using win32 clipboard data
WDL_PtrList<const char> lines;
WDL_String buf;
#ifdef WDL_IS_FAKE_CURSES
if (CURSES_INSTANCE)
{
OpenClipboard(CURSES_INSTANCE->m_hwnd);
HANDLE h=GetClipboardData(CF_TEXT);
if (h)
{
char *t=(char *)GlobalLock(h);
int s=GlobalSize(h);
buf.Set(t,s);
GlobalUnlock(t);
}
CloseClipboard();
}
else
#endif
{
buf.Set(s_fake_clipboard.Get());
}
if (buf.Get() && buf.Get()[0])
{
char *src=buf.Get();
while (*src)
{
char *seek=src;
while (*seek && *seek != '\r' && *seek != '\n') seek++;
char hadclr=*seek;
if (*seek) *seek++=0;
lines.Add(src);
if (hadclr == '\r' && *seek == '\n') seek++;
if (hadclr && !*seek)
{
lines.Add("");
}
src=seek;
}
}
if (lines.GetSize())
{
removeSelect();
// insert lines at m_curs_y,m_curs_x
if (m_curs_y >= m_text.GetSize()) m_curs_y=m_text.GetSize()-1;
if (m_curs_y < 0) m_curs_y=0;
preSaveUndoState();
WDL_FastString poststr;
int x;
int indent_to_pos = -1;
for (x = 0; x < lines.GetSize(); x ++)
{
WDL_FastString *str=m_text.Get(m_curs_y);
const char *tstr=lines.Get(x);
if (!tstr) tstr="";
if (!x)
{
if (str)
{
if (m_curs_x < 0) m_curs_x=0;
int tmp=str->GetLength();
if (m_curs_x > tmp) m_curs_x=tmp;
poststr.Set(str->Get()+m_curs_x);
str->SetLen(m_curs_x);
const char *p = str->Get();
while (*p == ' ' || *p == '\t') p++;
if (!*p && p > str->Get())
{
if (lines.GetSize()>1)
{
while (*tstr == ' ' || *tstr == '\t') tstr++;
}
indent_to_pos = m_curs_x;
}
str->Append(tstr);
}
else
{
m_text.Insert(m_curs_y,(str=new WDL_FastString(tstr)));
}
if (lines.GetSize() > 1)
{
m_curs_y++;
}
else
{
m_curs_x = str->GetLength();
str->Append(poststr.Get());
}
}
else if (x == lines.GetSize()-1)
{
WDL_FastString *s=newIndentedFastString(tstr,indent_to_pos);
m_curs_x = s->GetLength();
s->Append(poststr.Get());
m_text.Insert(m_curs_y,s);
}
else
{
m_text.Insert(m_curs_y,newIndentedFastString(tstr,indent_to_pos));
m_curs_y++;
}
}
draw();
setCursor();
draw_message("Pasted");
saveUndoState();
}
else
{
setCursor();
draw_message("Clipboard empty");
}
}
break;
case KEY_DC:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
WDL_FastString *s;
if (m_selecting)
{
preSaveUndoState();
removeSelect();
draw();
saveUndoState();
setCursor();
}
else if ((s=m_text.Get(m_curs_y)))
{
if (m_curs_x < s->GetLength())
{
preSaveUndoState();
bool hadCom = LineCanAffectOtherLines(s->Get(),m_curs_x,1);
s->DeleteSub(m_curs_x,1);
if (!hadCom) hadCom = LineCanAffectOtherLines(s->Get(),-1,-1);
draw(hadCom ? -1 : m_curs_y);
saveUndoState();
setCursor();
}
else // append next line to us
{
if (m_curs_y < m_text.GetSize()-1)
{
preSaveUndoState();
WDL_FastString *nl=m_text.Get(m_curs_y+1);
if (nl)
{
s->Append(nl->Get());
}
m_text.Delete(m_curs_y+1,true);
draw();
saveUndoState();
setCursor();
}
}
}
break;
}
case 'C'-'A'+1:
case 'X'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN && m_selecting)
{
if (c!= 'C'-'A'+1) m_selecting=0;
int miny,maxy,minx,maxx;
int x;
getselectregion(minx,miny,maxx,maxy);
const char *status="";
char statusbuf[512];
if (minx != maxx|| miny != maxy)
{
int bytescopied=0;
s_fake_clipboard.Set("");
int lht=0,fht=0;
if (c != 'C'-'A'+1) preSaveUndoState();
for (x = miny; x <= maxy; x ++)
{
WDL_FastString *s=m_text.Get(x);
if (s)
{
const char *str=s->Get();
int sx,ex;
if (x == miny) sx=max(minx,0);
else sx=0;
int tmp=s->GetLength();
if (sx > tmp) sx=tmp;
if (x == maxy) ex=min(maxx,tmp);
else ex=tmp;
bytescopied += ex-sx + (x!=maxy);
if (s_fake_clipboard.Get() && s_fake_clipboard.Get()[0]) s_fake_clipboard.Append("\r\n");
s_fake_clipboard.Append(ex-sx?str+sx:"",ex-sx);
if (c != 'C'-'A'+1)
{
if (sx == 0 && ex == tmp) // remove entire line
{
m_text.Delete(x,true);
if (x==miny) miny--;
x--;
maxy--;
}
else { if (x==miny) fht=1; if (x == maxy) lht=1; s->DeleteSub(sx,ex-sx); }
}
}
}
if (fht && lht && miny+1 == maxy)
{
m_text.Get(miny)->Append(m_text.Get(maxy)->Get());
m_text.Delete(maxy,true);
}
if (c != 'C'-'A'+1)
{
m_curs_y=miny;
if (m_curs_y < 0) m_curs_y=0;
m_curs_x=minx;
saveUndoState();
snprintf(statusbuf,sizeof(statusbuf),"Cut %d bytes",bytescopied);
}
else
snprintf(statusbuf,sizeof(statusbuf),"Copied %d bytes",bytescopied);
#ifdef WDL_IS_FAKE_CURSES
if (CURSES_INSTANCE)
{
int l=s_fake_clipboard.GetLength()+1;
HANDLE h=GlobalAlloc(GMEM_MOVEABLE,l);
void *t=GlobalLock(h);
memcpy(t,s_fake_clipboard.Get(),l);
GlobalUnlock(h);
OpenClipboard(CURSES_INSTANCE->m_hwnd);
EmptyClipboard();
SetClipboardData(CF_TEXT,h);
CloseClipboard();
}
#endif
status=statusbuf;
}
else status="No selection";
draw();
setCursor();
draw_message(status);
}
break;
case 'A'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
m_selecting=1;
m_select_x1=0;
m_select_y1=0;
m_select_y2=m_text.GetSize()-1;
m_select_x2=0;
if (m_text.Get(m_select_y2))
m_select_x2=m_text.Get(m_select_y2)->GetLength();
draw();
setCursor();
}
break;
case 27:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN && m_selecting)
{
m_selecting=0;
draw();
setCursor();
break;
}
break;
case KEY_F3:
case 'G'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN && s_search_string[0])
{
runSearch();
return 0;
}
// fall through
case 'F'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
draw_message("");
attrset(m_color_message);
bkgdset(m_color_message);
mvaddstr(LINES-1,0,"Find string (ESC to cancel): ");
if (m_selecting && m_select_y1==m_select_y2)
{
WDL_FastString* s=m_text.Get(m_select_y1);
if (s)
{
const char* p=s->Get();
int xlo=min(m_select_x1, m_select_x2);
int xhi=max(m_select_x1, m_select_x2);
int i;
for (i=xlo; i < xhi; ++i)
{
if (!isalnum(p[i]) && p[i] != '_') break;
}
if (i == xhi && xhi > xlo && xhi-xlo < sizeof(s_search_string))
{
lstrcpyn(s_search_string, p+xlo, xhi-xlo+1);
}
}
}
addstr(s_search_string);
clrtoeol();
attrset(0);
bkgdset(0);
m_state=-3; // find, initial (m_state=4 when we've typed something)
}
break;
case KEY_DOWN:
{
if (CTRL_KEY_DOWN)
{
int paney[2], paneh[2];
GetPaneDims(paney, paneh);
int maxscroll=m_text.GetSize()-paneh[m_curpane]+4;
if (m_paneoffs_y[m_curpane] < maxscroll-1)
{
m_paneoffs_y[m_curpane]++;
if (m_curs_y < m_paneoffs_y[m_curpane]) m_curs_y=m_paneoffs_y[m_curpane];
draw();
}
}
else
{
m_curs_y++;
if (m_curs_y>=m_text.GetSize()) m_curs_y=m_text.GetSize()-1;
if (m_curs_y < 0) m_curs_y=0;
}
if (m_selecting) { setCursor(1); m_select_x2=m_curs_x; m_select_y2=m_curs_y; draw(); }
setCursor(1);
}
break;
case KEY_UP:
{
if (CTRL_KEY_DOWN)
{
if (m_paneoffs_y[m_curpane] > 0)
{
int paney[2], paneh[2];
GetPaneDims(paney, paneh);
m_paneoffs_y[m_curpane]--;
if (m_curs_y > m_paneoffs_y[m_curpane]+paneh[m_curpane]-1) m_curs_y = m_paneoffs_y[m_curpane]+paneh[m_curpane]-1;
if (m_curs_y < 0) m_curs_y=0;
draw();
}
}
else
{
if(m_curs_y>0) m_curs_y--;
}
if (m_selecting) { setCursor(1); m_select_x2=m_curs_x; m_select_y2=m_curs_y; draw(); }
setCursor(1);
}
break;
case KEY_PPAGE:
{
if (m_curs_y > m_paneoffs_y[m_curpane])
{
m_curs_y=m_paneoffs_y[m_curpane];
if (m_curs_y < 0) m_curs_y=0;
}
else
{
int paney[2], paneh[2];
GetPaneDims(paney, paneh);
m_curs_y -= paneh[m_curpane];
if (m_curs_y < 0) m_curs_y=0;
m_paneoffs_y[m_curpane]=m_curs_y;
}
if (m_selecting) { setCursor(1); m_select_x2=m_curs_x; m_select_y2=m_curs_y; }
draw();
setCursor(1);
}
break;
case KEY_NPAGE:
{
int paney[2], paneh[2];
GetPaneDims(paney, paneh);
if (m_curs_y >= m_paneoffs_y[m_curpane]+paneh[m_curpane]-1) m_paneoffs_y[m_curpane]=m_curs_y-1;
m_curs_y = m_paneoffs_y[m_curpane]+paneh[m_curpane]-1;
if (m_curs_y >= m_text.GetSize()) m_curs_y=m_text.GetSize()-1;
if (m_curs_y < 0) m_curs_y=0;
if (m_selecting) { setCursor(1); m_select_x2=m_curs_x; m_select_y2=m_curs_y; }
draw();
setCursor(1);
}
break;
case KEY_RIGHT:
{
if (1) // wrap across lines
{
WDL_FastString *s = m_text.Get(m_curs_y);
if (s && m_curs_x >= s->GetLength() && m_curs_y < m_text.GetSize()) { m_curs_y++; m_curs_x = -1; }
}
if(m_curs_x<0)
{
m_curs_x=0;
}
else
{
if (CTRL_KEY_DOWN)
{
WDL_FastString *s = m_text.Get(m_curs_y);
if (!s||m_curs_x >= s->GetLength()) break;
int lastType = categorizeCharForWordNess(s->Get()[m_curs_x++]);
while (m_curs_x < s->GetLength())
{
int thisType = categorizeCharForWordNess(s->Get()[m_curs_x]);
if (thisType != lastType && thisType != 0) break;
lastType=thisType;
m_curs_x++;
}
}
else
{
m_curs_x++;
}
}
if (m_selecting) { setCursor(); m_select_x2=m_curs_x; m_select_y2=m_curs_y; draw(); }
setCursor();
}
break;
case KEY_LEFT:
{
bool doMove=true;
if (1) // wrap across lines
{
WDL_FastString *s = m_text.Get(m_curs_y);
if (s && m_curs_y>0 && m_curs_x == 0)
{
s = m_text.Get(--m_curs_y);
if (s)
{
m_curs_x = s->GetLength();
doMove=false;
}
}
}
if(m_curs_x>0 && doMove)
{
if (CTRL_KEY_DOWN)
{
WDL_FastString *s = m_text.Get(m_curs_y);
if (!s) break;
if (m_curs_x > s->GetLength()) m_curs_x = s->GetLength();
m_curs_x--;
int lastType = categorizeCharForWordNess(s->Get()[m_curs_x--]);
while (m_curs_x >= 0)
{
int thisType = categorizeCharForWordNess(s->Get()[m_curs_x]);
if (thisType != lastType && lastType != 0) break;
lastType=thisType;
m_curs_x--;
}
m_curs_x++;
}
else
{
m_curs_x--;
}
}
if (m_selecting) { setCursor(); m_select_x2=m_curs_x; m_select_y2=m_curs_y; draw(); }
setCursor();
}
break;
case KEY_HOME:
{
m_curs_x=0;
if (CTRL_KEY_DOWN) m_curs_y=0;
if (m_selecting) { setCursor(); m_select_x2=m_curs_x; m_select_y2=m_curs_y; draw(); }
setCursor();
}
break;
case KEY_END:
{
if (m_text.Get(m_curs_y)) m_curs_x=m_text.Get(m_curs_y)->GetLength();
if (CTRL_KEY_DOWN) m_curs_y=m_text.GetSize();
if (m_selecting) { setCursor(); m_select_x2=m_curs_x; m_select_y2=m_curs_y; draw(); }
setCursor();
}
break;
case KEY_BACKSPACE: // backspace, baby
if (m_selecting)
{
preSaveUndoState();
removeSelect();
draw();
saveUndoState();
setCursor();
}
else if (m_curs_x > 0)
{
WDL_FastString *tl=m_text.Get(m_curs_y);
if (tl)
{
preSaveUndoState();
bool hadCom = LineCanAffectOtherLines(tl->Get(), m_curs_x-1,1);
tl->DeleteSub(--m_curs_x,1);
if (!hadCom) hadCom = LineCanAffectOtherLines(tl->Get(),-1,-1);
draw(hadCom?-1:m_curs_y);
saveUndoState();
setCursor();
}
}
else // append current line to previous line
{
WDL_FastString *fl=m_text.Get(m_curs_y-1), *tl=m_text.Get(m_curs_y);
if (!tl)
{
m_curs_y--;
if (fl) m_curs_x=fl->GetLength();
draw();
saveUndoState();
setCursor();
}
else if (fl)
{
preSaveUndoState();
m_curs_x=fl->GetLength();
fl->Append(tl->Get());
m_text.Delete(m_curs_y--,true);
draw();
saveUndoState();
setCursor();
}
}
break;
case 'L'-'A'+1:
if (!SHIFT_KEY_DOWN && !ALT_KEY_DOWN)
{
draw();
setCursor();
}
break;
case 13: //KEY_ENTER:
//insert newline
preSaveUndoState();
if (m_selecting) { removeSelect(); draw(); setCursor(); }
if (m_curs_y >= m_text.GetSize())
{
m_curs_y=m_text.GetSize();
m_text.Add(new WDL_FastString);
}
if (s_overwrite)
{
WDL_FastString *s = m_text.Get(m_curs_y);
int plen=0;
const char *pb=NULL;
if (s)
{
pb = s->Get();
while (plen < m_curs_x && (pb[plen]== ' ' || pb[plen] == '\t')) plen++;
}
if (++m_curs_y >= m_text.GetSize())
{
m_curs_y = m_text.GetSize();
WDL_FastString *ns=new WDL_FastString;
if (plen>0) ns->Set(pb,plen);
m_text.Insert(m_curs_y,ns);
}
s = m_text.Get(m_curs_y);
if (s && plen > s->GetLength()) plen=s->GetLength();
m_curs_x=plen;
}
else
{
WDL_FastString *s = m_text.Get(m_curs_y);
if (s)
{
if (m_curs_x > s->GetLength()) m_curs_x = s->GetLength();
WDL_FastString *nl = new WDL_FastString();
int plen=0;
const char *pb = s->Get();
while (plen < m_curs_x && (pb[plen]== ' ' || pb[plen] == '\t')) plen++;
if (plen>0) nl->Set(pb,plen);
nl->Append(pb+m_curs_x);
m_text.Insert(++m_curs_y,nl);
s->SetLen(m_curs_x);
m_curs_x=plen;
}
}
m_offs_x=0;
draw();
saveUndoState();
setCursor();
break;
case '\t':
if (m_selecting)
{
preSaveUndoState();
bool isRev = !!(GetAsyncKeyState(VK_SHIFT)&0x8000);
indentSelect(isRev?-m_indent_size:m_indent_size);
// indent selection:
draw();
setCursor();
saveUndoState();
break;
}
default:
//insert char
if(VALIDATE_TEXT_CHAR(c))
{
preSaveUndoState();
if (m_selecting) { removeSelect(); draw(); setCursor(); }
if (!m_text.Get(m_curs_y)) m_text.Insert(m_curs_y,new WDL_FastString);
WDL_FastString *ss;
if ((ss=m_text.Get(m_curs_y)))
{
char str[64];
int slen ;
if (c == '\t')
{
slen = min(m_indent_size,64);
if (slen<1) slen=1;
int x;
for(x=0;x<slen;x++) str[x]=' ';
}
else
{
str[0]=c;
slen = 1;
}
bool hadCom = LineCanAffectOtherLines(ss->Get(),-1,-1);
if (s_overwrite)
{
if (!hadCom) hadCom = LineCanAffectOtherLines(ss->Get(),m_curs_x,slen);
ss->DeleteSub(m_curs_x,slen);
}
ss->Insert(str,m_curs_x,slen);
if (!hadCom) hadCom = LineCanAffectOtherLines(ss->Get(),m_curs_x,slen);
m_curs_x += slen;
draw(hadCom ? -1 : m_curs_y);
}
saveUndoState();
setCursor();
}
break;
}
return 0;
}
void MultiTab_Editor::OpenFileInTab(const char *fnp)
{
// try to find file to open
WDL_FastString s;
FILE *fp=NULL;
{
const char *ptr = fnp;
while (!fp && *ptr)
{
// first try same path as loading effect
if (m_filename.Get()[0])
{
s.Set(m_filename.Get());
const char *sp=s.Get()+s.GetLength();
while (sp>=s.Get() && *sp != '\\' && *sp != '/') sp--;
s.SetLen(sp + 1 - s.Get());
if (s.GetLength())
{
s.Append(ptr);
fp=fopenUTF8(s.Get(),"rb");
}
}
// scan past any / or \\, and try again
if (!fp)
{
while (*ptr && *ptr != '\\' && *ptr != '/') ptr++;
if (*ptr) ptr++;
}
}
}
if (!fp)
{
s.Set("");
fp = tryToFindOrCreateFile(fnp,&s);
}
if (!fp && s.Get()[0])
{
m_newfn.Set(s.Get());
if (COLS > 25)
{
int allowed = COLS-25;
if (s.GetLength()>allowed)
{
s.DeleteSub(0,s.GetLength() - allowed + 3);
s.Insert("...",0);
}
s.Insert("Create new file '",0);
s.Append("' (Y/n)? ");
}
else
s.Set("Create new file (Y/n)? ");
m_state=UI_STATE_SAVE_AS_NEW;
attrset(m_color_message);
bkgdset(m_color_message);
mvaddstr(LINES-1,0,s.Get());
clrtoeol();
attrset(0);
bkgdset(0);
}
else if (fp)
{
fclose(fp);
int x;
for (x=0;x<GetTabCount();x++)
{
MultiTab_Editor *e = GetTab(x);
if (e && !stricmp(e->GetFileName(),s.Get()))
{
SwitchTab(x,false);
return;
}
}
AddTab(s.Get());
}
}