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; }