void WDL_CursesEditor::setCursor(int isVscroll, double ycenter)
{
int maxx=m_text.Get(m_curs_y) ? m_text.Get(m_curs_y)->GetLength() : 0;
if (isVscroll)
{
if (m_want_x >= 0) m_curs_x=m_want_x;
}
else m_want_x=-1;
if(m_curs_x>maxx)
{
if (isVscroll) m_want_x=m_curs_x;
m_curs_x=maxx;
}
int redraw=0;
if (m_curs_x < m_offs_x) { redraw=1; m_offs_x=m_curs_x; }
else if (m_curs_x >= m_offs_x + COLS) { m_offs_x=m_curs_x-COLS+1; redraw=1; }
int paney[2], paneh[2];
GetPaneDims(paney, paneh);
int y;
if (ycenter >= 0.0 && ycenter < 1.0)
{
y=(int)((double)paneh[m_curpane]*ycenter);
m_paneoffs_y[m_curpane]=m_curs_y-y;
if (m_paneoffs_y[m_curpane] < 0)
{
y += m_paneoffs_y[m_curpane];
m_paneoffs_y[m_curpane]=0;
}
redraw=1;
}
else
{
y=m_curs_y-m_paneoffs_y[m_curpane];
if (y < 0)
{
m_paneoffs_y[m_curpane] += y;
y=0;
redraw=1;
}
else if (y >= paneh[m_curpane])
{
m_paneoffs_y[m_curpane] += y-paneh[m_curpane]+1;
y=paneh[m_curpane]-1;
redraw=1;
}
}
if (redraw) draw();
draw_status_state();
y += paney[m_curpane];
move(y, m_curs_x-m_offs_x);
}
void WDL_CursesEditor::setCursor(int isVscroll)
{
int maxx=m_text.Get(m_curs_y) ? m_text.Get(m_curs_y)->GetLength() : 0;
if (isVscroll)
{
if (m_want_x >= 0) m_curs_x=m_want_x;
}
else m_want_x=-1;
if(m_curs_x>maxx)
{
if (isVscroll) m_want_x=m_curs_x;
m_curs_x=maxx;
}
int redraw=0;
if (m_curs_x < m_offs_x) { redraw=1; m_offs_x=m_curs_x; }
else if (m_curs_x >= m_offs_x + COLS) { m_offs_x = m_curs_x - COLS + 1; redraw=1; }
//screen boundary checking
if(m_curs_y>=(m_offs_y+getVisibleLines()))
{
m_offs_y = m_curs_y - getVisibleLines()+1;
redraw=1;
}
if(m_curs_y<m_offs_y)
{
m_offs_y=m_curs_y;
redraw=1;
}
if(redraw) draw();
draw_status_state();
//put cursor on screen
move(m_top_margin+m_curs_y-m_offs_y,m_curs_x-m_offs_x);
}
LRESULT WDL_CursesEditor::onMouseMessage(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
static int s_mousedown[2];
switch (uMsg)
{
case WM_CAPTURECHANGED:
break;
case WM_MOUSEMOVE:
if (GetCapture()==hwnd && CURSES_INSTANCE->m_font_w && CURSES_INSTANCE->m_font_h)
{
POINT pt = { (short)LOWORD(lParam), (short)HIWORD(lParam) };
int cx=pt.x/CURSES_INSTANCE->m_font_w;
int cy=pt.y/CURSES_INSTANCE->m_font_h;
int paney[2], paneh[2];
const int pane_divy=GetPaneDims(paney, paneh);
if (m_scrollcap)
{
int i=m_scrollcap-1;
if (i == 2) // divider
{
int divy=cy-paney[0];
if (divy != pane_divy)
{
if (divy <= 0 || divy >= LINES-m_top_margin-m_bottom_margin-1)
{
if (divy <= 0.0) m_paneoffs_y[0]=m_paneoffs_y[1];
m_curpane=0;
m_pane_div=1.0;
}
else
{
m_pane_div=(double)divy/(double)(LINES-m_top_margin-m_bottom_margin-1);
}
draw();
draw_status_state();
}
}
else
{
int prevoffs=m_paneoffs_y[i];
int pxy=paney[i]*CURSES_INSTANCE->m_font_h;
int pxh=paneh[i]*CURSES_INSTANCE->m_font_h;
if (pxh > CURSES_INSTANCE->scroll_h[i])
{
m_paneoffs_y[i]=(m_text.GetSize()-paneh[i])*(pt.y-m_scrollcap_yoffs-pxy)/(pxh-CURSES_INSTANCE->scroll_h[i]);
int maxscroll=m_text.GetSize()-paneh[i]+4;
if (m_paneoffs_y[i] > maxscroll) m_paneoffs_y[i]=maxscroll;
if (m_paneoffs_y[i] < 0) m_paneoffs_y[i]=0;
}
if (m_paneoffs_y[i] != prevoffs)
{
draw();
draw_status_state();
const int col=m_curs_x-m_offs_x;
int line=m_curs_y+paney[m_curpane]-m_paneoffs_y[m_curpane];
if (line >= paney[m_curpane] && line < paney[m_curpane]+paneh[m_curpane]) move(line, col);
}
}
return 0;
}
if (!m_selecting && (cx != s_mousedown[0] || cy != s_mousedown[1]))
{
m_select_x2=m_select_x1=m_curs_x;
m_select_y2=m_select_y1=m_curs_y;
m_selecting=1;
}
int x=cx+m_offs_x;
int y=cy+m_paneoffs_y[m_curpane]-paney[m_curpane];
if (m_selecting && (m_select_x2!=x || m_select_y2 != y))
{
if (y < m_paneoffs_y[m_curpane] && m_paneoffs_y[m_curpane] > 0)
{
m_paneoffs_y[m_curpane]--;
}
else if (y >= m_paneoffs_y[m_curpane]+paneh[m_curpane] && m_paneoffs_y[m_curpane]+paneh[m_curpane] < m_text.GetSize())
{
m_paneoffs_y[m_curpane]++;
}
if (x < m_offs_x && m_offs_x > 0)
{
m_offs_x--;
}
else if (x > m_offs_x+COLS)
{
int maxlen=0;
int a;
for (a=0; a < paneh[m_curpane]; a++)
{
WDL_FastString* s=m_text.Get(m_paneoffs_y[m_curpane]+a);
if (s && s->GetLength() > maxlen) maxlen=s->GetLength();
}
if (maxlen > m_offs_x+COLS-8) m_offs_x++;
}
m_select_y2=y;
m_select_x2=x;
if (m_select_y2<0) m_select_y2=0;
else if (m_select_y2>=m_text.GetSize())
{
m_select_y2=m_text.GetSize()-1;
WDL_FastString *s=m_text.Get(m_select_y2);
if (s) m_select_x2 = s->GetLength();
}
if (m_select_x2<0)m_select_x2=0;
WDL_FastString *s=m_text.Get(m_select_y2);
if (s && m_select_x2>s->GetLength()) m_select_x2 = s->GetLength();
draw();
int y=m_curs_y+paney[m_curpane]-m_paneoffs_y[m_curpane];
if (y >= paney[m_curpane] && y < paney[m_curpane]+paneh[m_curpane]) setCursor();
}
}
break;
case WM_LBUTTONDBLCLK:
case WM_RBUTTONDOWN:
case WM_LBUTTONDOWN:
if (CURSES_INSTANCE->m_font_w && CURSES_INSTANCE->m_font_h)
{
int mousex=(short)LOWORD(lParam);
int mousey=(short)HIWORD(lParam);
int cx=mousex/CURSES_INSTANCE->m_font_w;
int cy=mousey/CURSES_INSTANCE->m_font_h;
if (cx > COLS) cx=COLS;
if (cx < 0) cx=0;
if (cy > LINES) cy=LINES;
if (cy < 0) cy=0;
m_state=0; // any click clears the state
s_mousedown[0]=cx;
s_mousedown[1]=cy;
int paney[2], paneh[2];
const int pane_divy=GetPaneDims(paney, paneh);
if (uMsg == WM_LBUTTONDOWN && m_pane_div > 0.0 && m_pane_div < 1.0 && cy == m_top_margin+pane_divy)
{
SetCapture(hwnd);
m_scrollcap=3;
return 0;
}
int pane=-1;
if (cy >= paney[0] && cy < paney[0]+paneh[0]) pane=0;
else if (cy >= paney[1] && cy < paney[1]+paneh[1]) pane=1;
if ((uMsg == WM_LBUTTONDOWN || uMsg == WM_LBUTTONDBLCLK) && pane >= 0 &&
cx >= COLS-CURSES_INSTANCE->drew_scrollbar[pane])
{
const int st=paney[pane]*CURSES_INSTANCE->m_font_h+CURSES_INSTANCE->scroll_y[pane];
const int sb=st+CURSES_INSTANCE->scroll_h[pane];
int prevoffs=m_paneoffs_y[pane];
if (mousey < st)
{
m_paneoffs_y[pane] -= paneh[pane];
if (m_paneoffs_y[pane] < 0) m_paneoffs_y[pane]=0;
}
else if (mousey < sb)
{
if (uMsg == WM_LBUTTONDOWN)
{
SetCapture(hwnd);
m_scrollcap=pane+1;
m_scrollcap_yoffs=mousey-st;
}
}
else
{
m_paneoffs_y[pane] += paneh[pane];
int maxscroll=m_text.GetSize()-paneh[pane]+4;
if (m_paneoffs_y[pane] > maxscroll) m_paneoffs_y[pane]=maxscroll;
}
if (prevoffs != m_paneoffs_y[pane])
{
draw();
draw_status_state();
int y=m_curs_y+paney[m_curpane]-m_paneoffs_y[m_curpane];
if (y >= paney[m_curpane] && y < paney[m_curpane]+paneh[m_curpane]) setCursor();
return 0;
}
}
if (uMsg == WM_LBUTTONDOWN) m_selecting=0;
if (pane >= 0) m_curpane=pane;
m_curs_x=cx+m_offs_x;
m_curs_y=cy+m_paneoffs_y[m_curpane]-paney[m_curpane];
bool end = (m_curs_y > m_text.GetSize()-1);
if (end) m_curs_y=m_text.GetSize()-1;
if (m_curs_y < 0) m_curs_y = 0;
WDL_FastString *s=m_text.Get(m_curs_y);
if (m_curs_x < 0) m_curs_x = 0;
if (s && (end || m_curs_x > s->GetLength())) m_curs_x=s->GetLength();
if (uMsg == WM_LBUTTONDBLCLK && s && s->GetLength())
{
if (m_curs_x < s->GetLength())
{
int x1=m_curs_x;
int x2=m_curs_x+1;
const char* p=s->Get();
while (x1 > 0 && (isalnum(p[x1-1]) || p[x1-1] == '_')) --x1;
while (x2 < s->GetLength()-1 && (isalnum(p[x2]) || p[x2] == '_')) ++x2;
if (x2 > x1)
{
m_select_x1=x1;
m_curs_x=m_select_x2=x2;
m_select_y1=m_select_y2=m_curs_y;
m_selecting=1;
}
}
}
draw();
setCursor();
if (uMsg == WM_LBUTTONDOWN)
{
SetCapture(hwnd);
}
else if (uMsg == WM_RBUTTONDOWN)
{
onRightClick(hwnd);
}
}
return 0;
case WM_LBUTTONUP:
ReleaseCapture();
m_scrollcap=0;
m_scrollcap_yoffs=0;
return 0;
case WM_MOUSEWHEEL:
if (CURSES_INSTANCE->m_font_h)
{
POINT p;
GetCursorPos(&p);
ScreenToClient(hwnd, &p);
p.y /= CURSES_INSTANCE->m_font_h;
int paney[2], paneh[2];
int pane_divy=GetPaneDims(paney, paneh);
int pane=-1;
if (p.y >= paney[0] && p.y < paney[0]+paneh[0]) pane=0;
else if (p.y >= paney[1] && p.y < paney[1]+paneh[1]) pane=1;
if (pane < 0) pane=m_curpane;
m_paneoffs_y[pane] -= ((short)HIWORD(wParam))/20;
int maxscroll=m_text.GetSize()-paneh[pane]+4;
if (m_paneoffs_y[pane] > maxscroll) m_paneoffs_y[pane]=maxscroll;
if (m_paneoffs_y[pane] < 0) m_paneoffs_y[pane]=0;
draw();
int y=m_curs_y+paney[m_curpane]-m_paneoffs_y[m_curpane];
if (y >= paney[m_curpane] && y < paney[m_curpane]+paneh[m_curpane]) setCursor();
else draw_status_state();
}
break;
}
return 0;
}
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;
}
LRESULT WDL_CursesEditor::onMouseMessage(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case WM_CAPTURECHANGED:
break;
case WM_MOUSEMOVE:
if (GetCapture()==hwnd && CURSES_INSTANCE->m_font_w && CURSES_INSTANCE->m_font_h)
{
int x = ((short)LOWORD(lParam)) / CURSES_INSTANCE->m_font_w + m_offs_x;
int y = ((short)HIWORD(lParam)) / CURSES_INSTANCE->m_font_h + m_offs_y - m_top_margin;
if (!m_selecting && (x != m_curs_x || y != m_curs_y))
{
m_select_x2=m_select_x1=m_curs_x;
m_select_y2=m_select_y1=m_curs_y;
m_selecting=1;
}
if (m_selecting && (m_select_x2!=x || m_select_y2 != y))
{
if (y < m_offs_y && m_offs_y > 0)
{
m_offs_y--;
}
else if (y > m_offs_y + getVisibleLines() && m_offs_y + getVisibleLines() < m_text.GetSize())
{
m_offs_y++;
}
if (x < m_offs_x && m_offs_x > 0)
{
m_offs_x--;
}
else if (x > m_offs_x+COLS)
{
int sz=0;
int a;
const int vl=getVisibleLines();
for (a=0;a<vl;a++)
if (m_text.Get(m_offs_y + a) && m_text.Get(m_offs_y + a)->GetLength() > sz) sz=m_text.Get(m_offs_y + a)->GetLength();
if (sz > m_offs_x + COLS - 8) m_offs_x++;
}
m_select_y2=y;
m_select_x2=x;
if (m_select_y2<0) m_select_y2=0;
else if (m_select_y2>=m_text.GetSize())
{
m_select_y2=m_text.GetSize()-1;
WDL_FastString *s=m_text.Get(m_select_y2);
if (s) m_select_x2 = s->GetLength();
}
if (m_select_x2<0)m_select_x2=0;
WDL_FastString *s=m_text.Get(m_select_y2);
if (s && m_select_x2>s->GetLength()) m_select_x2 = s->GetLength();
draw();
if (m_curs_y >= m_offs_y && m_curs_y < m_offs_y + getVisibleLines()) setCursor();
}
}
break;
case WM_RBUTTONDOWN:
case WM_LBUTTONDOWN:
if (CURSES_INSTANCE->m_font_w && CURSES_INSTANCE->m_font_h)
{
if (uMsg == WM_LBUTTONDOWN) m_selecting=0;
m_curs_x = m_offs_x + LOWORD(lParam) / CURSES_INSTANCE->m_font_w;
int a = HIWORD(lParam)/CURSES_INSTANCE->m_font_h - m_top_margin;
if (a>=getVisibleLines()) a=getVisibleLines()-1;
if (a<0)a=0;
m_curs_y = m_offs_y + a;
if (m_curs_y > m_text.GetSize()-1)
{
m_curs_y = m_text.GetSize()-1;
WDL_FastString *s=m_text.Get(m_curs_y);
if (s) m_curs_x=s->GetLength();
}
if (m_curs_x < 0) m_curs_x = 0;
WDL_FastString *s=m_text.Get(m_curs_y);
if (s && m_curs_x > s->GetLength()) m_curs_x=s->GetLength();
if (m_curs_y < 0) m_curs_y = 0;
draw();
setCursor();
if (uMsg == WM_LBUTTONDOWN)
{
SetCapture(hwnd);
}
else
{
onRightClick();
}
}
return 0;
case WM_LBUTTONUP:
ReleaseCapture();
return 0;
case WM_MOUSEWHEEL:
m_offs_y -= ((short)HIWORD(wParam))/20;
if(m_offs_y > m_text.GetSize() - getVisibleLines()) m_offs_y=m_text.GetSize() - getVisibleLines();
if (m_offs_y < 0) m_offs_y=0;
draw();
if (m_curs_y >= m_offs_y && m_curs_y < m_offs_y + getVisibleLines()) setCursor();
else draw_status_state();
break;
}
return 0;
}