int EBuffer::FoldCreate(int Line) { /*FOLD00*/ int n; if (Modify() == 0) return 0; if (FindFold(Line) != -1) return 1; // already exists if (BFI(this, BFI_Undo)) { if (PushULong(Line) == 0) return 0; if (PushUChar(ucFoldCreate) == 0) return 0; } n = FindNearFold(Line); n++; FF = (EFold *)realloc((void *)FF, sizeof(EFold) * ((1 + FCount) | 7)); assert(FF != 0); memmove(FF + n + 1, FF + n, sizeof(EFold) * (FCount - n)); FCount++; FF[n].line = Line; FF[n].level = 0; FF[n].open = 1; FF[n].flags = 0; Draw(Line, Line); return 1; }
int EBuffer::FoldOpen(int Line) { /*FOLD00*/ int f = FindFold(Line); int l; int level, toplevel; int top; if (f == -1) return 0; if (FF[f].open == 1) return 1; // already open if (Modify() == 0) return 0; if (BFI(this, BFI_Undo)) { if (PushULong(Line) == 0) return 0; if (PushUChar(ucFoldOpen) == 0) return 0; } FF[f].open = 1; top = FF[f].line; toplevel = FF[f].level; // printf("Fold starts with %d\n", FF[f].line); if (ShowRow(FF[f].line) == 0) return 0; while (f < FCount) { level = FF[f].level; if (FF[f].open == 1) { // fold is open if (f == FCount - 1) { for (l = FF[f].line; l < RCount; l++) if (l != top) if (ShowRow(l) == 0) return 0; } else { for (l = FF[f].line; l < FF[f + 1].line; l++) if (l != top) if (ShowRow(l) == 0) return 0; } f++; } else { // fold is closed // show head line if (ShowRow(FF[f].line) == 0) return 0; // skip closed folds while ((f < FCount) && (level < FF[f + 1].level)) f++; f++; } if ((f < FCount) && (FF[f].level <= toplevel)) break; } return 1; }
int EBuffer::FoldClose(int Line) { /*FOLD00*/ int f = FindNearFold(Line); int l, top; int level; if (f == -1) return 0; if (FF[f].open == 0) return 1; // already closed if (Modify() == 0) return 0; if (SetPosR(CP.Col, FF[f].line, tmLeft) == 0) return 0; if (BFI(this, BFI_Undo)) { if (PushULong(Line) == 0) return 0; if (PushUChar(ucFoldClose) == 0) return 0; } FF[f].open = 0; top = FF[f].line; level = FF[f].level; while ((f < FCount - 1) && (FF[f + 1].level > level)) f++; /* performance tweak: do it in reverse (we'll see if it helps) */ if (f == FCount - 1) { for (l = RCount - 1; l > top; l--) if (HideRow(l) == 0) return 0; } else { for (l = FF[f + 1].line - 1; l > top; l--) if (HideRow(l) == 0) return 0; } /* yup, it does. try below for a (MUCH!) slower version */ /*if (f == FCount - 1) { for (l = top + 1; l < RCount; l++) if (HideRow(l) == 0) return 0; } else { for (l = top + 1; l < FF[f + 1].line; l++) if (HideRow(l) == 0) return 0; }*/ return 1; }
int EBuffer::FoldDemote(int Line) { /*FOLD00*/ int f = FindFold(Line); if (Modify() == 0) return 0; if (f == -1) return 0; if (FF[f].open == 0) return 0; if (FF[f].level == 99) return 0; if (BFI(this, BFI_Undo)) { if (PushULong(Line) == 0) return 0; if (PushUChar(ucFoldDemote) == 0) return 0; } if ((FF[f].line > 0) && (ExposeRow(FF[f].line - 1) == 0)) return 0; FF[f].level++; Draw(Line, Line); return 1; }
int EBuffer::FoldDestroy(int Line) { /*FOLD00*/ int f = FindFold(Line); if (Modify() == 0) return 0; if (f == -1) return 0; if (FF[f].open == 0) if (FoldOpen(Line) == 0) return 0; if (BFI(this, BFI_Undo)) { if (PushULong(FF[f].level) == 0) return 0; if (PushULong(Line) == 0) return 0; if (PushUChar(ucFoldDestroy) == 0) return 0; } memmove(FF + f, FF + f + 1, sizeof(EFold) * (FCount - f - 1)); FCount--; FF = (EFold *)realloc((void *)FF, sizeof(EFold) * (FCount | 7)); Draw(Line, Line); return 1; }
int EBuffer::BlockKill() { EPoint B, E; int L; int Y = -1; AutoExtend = 0; if (CheckBlock() == 0) return 0; if (RCount <= 0) return 0; B = BB; E = BE; Draw(B.Row, -1); // if (MoveToPos(B.Col, B.Row) == 0) return 0; #ifdef CONFIG_UNDOREDO if (BFI(this, BFI_Undo) == 1) { if (PushULong(CP.Col) == 0) return 0; if (PushULong(CP.Row) == 0) return 0; if (PushUChar(ucPosition) == 0) return 0; } #endif switch (BlockMode) { case bmLine: Y = VToR(CP.Row); if (Y >= B.Row) { if (Y >= E.Row) { if (SetPosR(CP.Col, Y - (E.Row - B.Row)) == 0) return 0; } else { if (SetPosR(CP.Col, B.Row) == 0) return 0; } } for (L = B.Row; L < E.Row; L++) if (DelLine(B.Row) == 0) return 0; break; case bmColumn: Y = VToR(CP.Row); if (Y >= B.Row && Y < E.Row) { if (CP.Col >= B.Col) { if (CP.Col >= E.Col) { if (SetPos(CP.Col - (E.Col - B.Col), CP.Row) == 0) return 0; } else { if (SetPos(B.Col, CP.Row) == 0) return 0; } } } for (L = B.Row; L < E.Row; L++) if (DelText(L, B.Col, E.Col - B.Col) == 0) return 0; break; case bmStream: Y = VToR(CP.Row); if (B.Row == E.Row) { if (Y == B.Row) { if (CP.Col >= B.Col) { if (CP.Col >= E.Col) { if (SetPos(CP.Col - (E.Col - B.Col), CP.Row) == 0) return 0; } else { if (SetPos(B.Col, CP.Row) == 0) return 0; } } } if (DelText(B.Row, B.Col, E.Col - B.Col) == 0) return 0; } else { if (Y >= B.Row) { if (Y > E.Row || (Y == E.Row && E.Col == 0)) { if (SetPosR(CP.Col, Y - (E.Row - B.Row)) == 0) return 0; } else if (Y == E.Row) { if (CP.Col >= E.Col) { if (SetPosR(CP.Col - E.Col + B.Col, B.Row) == 0) return 0; } else { if (SetPosR(B.Col, B.Row) == 0) return 0; } } else { if (SetPosR(B.Col, B.Row) == 0) return 0; } } if (DelText(E.Row, 0, E.Col) == 0) return 0; for (L = B.Row + 1; L < E.Row; L++) if (DelLine(B.Row + 1) == 0) return 0; if (DelText(B.Row, B.Col, -1) == 0) return 0; if (JoinLine(B.Row, B.Col) == 0) return 0; } break; } return BlockUnmark(); }