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edhill |
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/* macnte.c -- TextEdit Utilities for nifty application library |
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*/ |
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/* (C) Copyright 1995 by Carnegie Mellon University |
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* All Rights Reserved. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software |
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* and its documentation for any purpose is hereby granted without |
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* fee, provided that the above copyright notice appear in all copies |
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* and that both that copyright notice and this permission notice |
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* appear in supporting documentation, and that the name of Carnegie |
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* Mellon University not be used in advertising or publicity |
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* pertaining to distribution of the software without specific, |
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* written prior permission. Carnegie Mellon University makes no |
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* representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied |
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* warranty. |
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* |
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* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO |
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY |
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* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE |
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* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN |
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
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* SOFTWARE. |
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*/ |
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/* (C) Copyright 1990-1995 by Christopher J. Newman |
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* All Rights Reserved. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and its |
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* documentation for any purpose is hereby granted without fee, provided that |
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* the above copyright notice appear in all copies and that both that |
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* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of Christopher J. Newman not be used in |
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* advertising or publicity pertaining to distribution of the software without |
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* specific, written prior permission. Christopher J. Newman makes no |
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* representations about the suitability of this software for any purpose. It |
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* is provided "as is" without express or implied warranty. |
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* |
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* CHRISTOPHER J. NEWMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT |
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* SHALL CHRISTOPHER J. NEWMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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* OF THIS SOFTWARE. |
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* |
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* Author: Christopher J. Newman |
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* Message: This is a nifty program. |
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*/ |
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#include "macnapp.h" |
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#ifndef THINK_C |
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#include <Fonts.h> |
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#include <Scrap.h> |
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#include <ToolUtils.h> |
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#endif |
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#define DOCWIDTH 2047 |
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#define teinfo ((nate_win *)winp) |
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/* prototypes for private procedures */ |
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static pascal void vscroll(ControlHandle, short); |
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static pascal void hscroll(ControlHandle, short); |
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/* initialize a premade window as a TextEdit window with options |
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*/ |
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void NATEinit(na_win *winp, long flags, short docwidth, Ptr data, long len) |
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{ |
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Rect rtemp, vtemp; |
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winp->flags = (winp->flags & ~NATE_FLAGS) | flags; |
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if (!docwidth) docwidth = DOCWIDTH; |
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teinfo->docwidth = docwidth; |
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rtemp = winp->pwin->portRect; |
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rtemp.top += teinfo->topoff; |
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vtemp = rtemp; |
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if (!(flags & NATE_NOHSCROLL)) { |
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vtemp.right = vtemp.left + docwidth; |
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} |
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if (!(flags & NATE_READONLY)) { |
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winp->keyp = NATEkeyp; |
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} |
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if (!(flags & NATE_NOMOUSE)) { |
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winp->mousep = NATEmousep; |
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winp->idlep = NATEidlep; |
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} |
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winp->menup = NATEmenup; |
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winp->activep = NATEactivep; |
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winp->updatep = NATEupdatep; |
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winp->ctrlp = NATEctrlp; |
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winp->closep = NATEclosep; |
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winp->cursorRgn = NewRgn(); |
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teinfo->vctrl = teinfo->hctrl = NULL; |
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TEAutoView(true, teinfo->hTE = TENew(&vtemp, &rtemp)); |
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if (len > 0 && data != (Ptr) NULL) { |
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TESetText(data, len, teinfo->hTE); |
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TESetSelect(0, 0, teinfo->hTE); |
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} |
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teinfo->lheight = (*teinfo->hTE)->lineHeight; |
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} |
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/* initialize a new TextEdit window |
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*/ |
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short NATEinitp(na_win *winp, long *datap) |
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#ifndef THINK_C |
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#pragma unused (datap) |
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#endif |
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{ |
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teinfo->topoff = 0; |
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NATEinit(winp, winp->flags, 0, NULL, 0); |
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return (NA_PROCESSED); |
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} |
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/* set the controls in the TextEdit window correctly |
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*/ |
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void NATEsetscroll(na_win *winp, Boolean moved, Rect *hrect, Rect *vrect) |
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{ |
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short vmax, vvalue, hmax, hvalue; |
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TEPtr te = *teinfo->hTE; |
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ControlHandle vctrl, hctrl; |
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vmax = te->nLines + (*(*te->hText + te->teLength - 1) == '\015' ? 1 : 0) |
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- (te->viewRect.bottom - te->viewRect.top) / teinfo->lheight; |
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hmax = (short) teinfo->docwidth - (te->viewRect.right - te->viewRect.left); |
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if (vmax < 0) vmax = 0; |
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if (hmax < 0) hmax = 0; |
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vvalue = (te->viewRect.top - te->destRect.top) / teinfo->lheight; |
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hvalue = te->viewRect.left - te->destRect.left; |
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if (!(winp->flags & NATE_NOVSCROLL)) { |
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if (teinfo->vctrl == (ControlHandle) NULL) { |
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teinfo->vctrl = NewControl(winp->pwin, vrect, "\p", true, vvalue, 0, vmax, |
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scrollBarProc, 0); |
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if (winp->pwin != FrontWindow()) HiliteControl(teinfo->vctrl, 255); |
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} else { |
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if (vvalue < 0) vvalue = 0; |
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if (vvalue > vmax) vvalue = vmax; |
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SetCtlMax(vctrl = teinfo->vctrl, vmax); |
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SetCtlValue(vctrl, vvalue); |
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if (moved) { |
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MoveControl(vctrl, vrect->left, vrect->top); |
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SizeControl(vctrl, vrect->right - vrect->left, |
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vrect->bottom - vrect->top); |
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ShowControl(vctrl); |
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} |
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} |
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} |
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if (!(winp->flags & NATE_NOHSCROLL)) { |
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if (teinfo->hctrl == (ControlHandle) NULL) { |
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teinfo->hctrl = NewControl(winp->pwin, hrect, "\p", true, hvalue, 0, hmax, |
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scrollBarProc, 0); |
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if (winp->pwin != FrontWindow()) HiliteControl(teinfo->hctrl, 255); |
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} else { |
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if (hvalue < 0) hvalue = 0; |
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if (hvalue > hmax) hvalue = hmax; |
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SetCtlMax(hctrl = teinfo->hctrl, hmax); |
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SetCtlValue(hctrl, hvalue); |
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if (moved) { |
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MoveControl(hctrl, hrect->left, hrect->top); |
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SizeControl(hctrl, hrect->right - hrect->left, |
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hrect->bottom - hrect->top); |
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ShowControl(hctrl); |
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} |
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} |
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} |
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} |
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/* track procedure for the vertical scroll bar |
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*/ |
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static pascal void vscroll(ControlHandle ctrl, short part) |
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{ |
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short amount, value, max, lh; |
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na_win *winp; |
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TEHandle hTE; |
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if (part == 0) return; |
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winp = * (na_win**) GetWRefCon((*ctrl)->contrlOwner); |
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hTE = teinfo->hTE; |
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value = ((*hTE)->viewRect.bottom - (*hTE)->viewRect.top) / |
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(lh = teinfo->lheight); |
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switch (part) { |
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case inUpButton: |
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amount = -1; |
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break; |
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case inDownButton: |
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amount = 1; |
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break; |
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case inPageUp: |
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amount = - value; |
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break; |
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case inPageDown: |
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amount = value; |
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break; |
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} |
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if ((amount += (value = GetCtlValue(ctrl))) < 0) amount = 0; |
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if (amount > (max = GetCtlMax(ctrl))) amount = max; |
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SetCtlValue(ctrl, amount); |
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TEScroll(0, (value - amount) * lh, hTE); |
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} |
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/* track procedure for the horizontal scroll bar |
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*/ |
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static pascal void hscroll(ControlHandle ctrl, short part) |
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{ |
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short amount, value, max; |
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if (part) { |
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TEHandle hTE = (* (nate_win**) GetWRefCon((*ctrl)->contrlOwner))->hTE; |
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value = (*hTE)->viewRect.right - (*hTE)->viewRect.left; |
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switch (part) { |
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case inUpButton: |
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amount = -6; |
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break; |
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case inDownButton: |
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amount = 6; |
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break; |
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case inPageUp: |
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amount = - value; |
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break; |
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case inPageDown: |
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amount = value; |
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break; |
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} |
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if ((amount += (value = GetCtlValue(ctrl))) < 0) amount = 0; |
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if (amount > (max = GetCtlMax(ctrl))) amount = max; |
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SetCtlValue(ctrl, amount); |
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TEScroll(value - amount, 0, hTE); |
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} |
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} |
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/* activate procedure for TextEdit |
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*/ |
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short NATEactivep(na_win *winp, Boolean on) |
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{ |
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if (on) { |
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TEActivate(teinfo->hTE); |
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} else { |
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TEDeactivate(teinfo->hTE); |
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} |
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return (NA_NOTPROCESSED); |
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} |
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/* Update procedure for textedit window |
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*/ |
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short NATEupdatep(na_win *winp, Boolean newsize) |
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{ |
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TEHandle hTE = teinfo->hTE; |
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WindowPtr window = winp->pwin; |
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Rect prect, vrect, hrect, drect; |
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prect = window->portRect; |
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prect.top += teinfo->topoff; |
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EraseRect(&prect); |
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hrect = vrect = prect; |
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vrect.top--; |
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hrect.left--; |
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vrect.left = ++vrect.right - 16; |
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hrect.top = ++hrect.bottom - 16; |
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vrect.bottom -= 14; |
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hrect.right -= 14; |
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InsetRect(&prect, 4, 4); |
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prect.right -= 15; |
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if (!(winp->flags & NATE_NOHSCROLL)) prect.bottom -= 15; |
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prect.bottom -= (prect.bottom - prect.top) % teinfo->lheight; |
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if (newsize) { |
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drect = (*hTE)->viewRect = prect; |
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drect.right = drect.left + (short) teinfo->docwidth; |
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(*hTE)->destRect = drect; |
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RectRgn(winp->cursorRgn, &prect); |
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OffsetRgn(winp->cursorRgn, -window->portBits.bounds.left, |
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-window->portBits.bounds.top); |
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TECalText(hTE); |
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TESelView(hTE); |
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if (teinfo->hctrl != (ControlHandle) NULL) HideControl(teinfo->hctrl); |
| 280 |
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if (teinfo->vctrl != (ControlHandle) NULL) HideControl(teinfo->vctrl); |
| 281 |
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} |
| 282 |
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TEUpdate(&prect, hTE); |
| 283 |
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if (newsize) NATEsetscroll(winp, true, &hrect, &vrect); |
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| 285 |
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return (NA_NOTPROCESSED); |
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} |
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/* control processing procedure for TextEdit |
| 289 |
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*/ |
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short NATEctrlp(na_win *winp, Point p, short part, short mods, ControlHandle ctrl) |
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#ifndef THINK_C |
| 292 |
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#pragma unused (mods) |
| 293 |
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#endif |
| 294 |
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{ |
| 295 |
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short value; |
| 296 |
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| 297 |
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if (part) { |
| 298 |
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value = GetCtlValue(ctrl); |
| 299 |
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switch (part) { |
| 300 |
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case inThumb: |
| 301 |
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part = TrackControl(ctrl, p, (ProcPtr) NULL); |
| 302 |
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if (part && (value -= GetCtlValue(ctrl))) { |
| 303 |
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TEHandle hTE = teinfo->hTE; |
| 304 |
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| 305 |
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if (ctrl == teinfo->vctrl) { |
| 306 |
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TEScroll(0, value * teinfo->lheight, hTE); |
| 307 |
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} else if (ctrl == teinfo->hctrl) { |
| 308 |
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TEScroll(value, 0, hTE); |
| 309 |
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} |
| 310 |
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} |
| 311 |
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break; |
| 312 |
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| 313 |
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default: |
| 314 |
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(void) TrackControl(ctrl, p, |
| 315 |
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(ProcPtr) (ctrl == teinfo->vctrl ? vscroll : hscroll)); |
| 316 |
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break; |
| 317 |
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} |
| 318 |
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} |
| 319 |
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| 320 |
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return (NA_PROCESSED); |
| 321 |
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} |
| 322 |
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| 323 |
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/* idle procedure for TextEdit |
| 324 |
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*/ |
| 325 |
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short NATEidlep(na_win *winp) |
| 326 |
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{ |
| 327 |
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TEIdle(teinfo->hTE); |
| 328 |
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| 329 |
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return (NA_PROCESSED); |
| 330 |
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} |
| 331 |
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| 332 |
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/* key press procedure for TextEdit |
| 333 |
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*/ |
| 334 |
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short NATEkeyp(na_win *winp, long c, short mods) |
| 335 |
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{ |
| 336 |
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short status = NA_NOTPROCESSED; |
| 337 |
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| 338 |
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if (!(mods & cmdKey)) { |
| 339 |
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status = NA_PROCESSED; |
| 340 |
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ObscureCursor(); |
| 341 |
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TEKey(c, teinfo->hTE); |
| 342 |
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NATEsetscroll(winp, false, (Rect*) NULL, (Rect*) NULL); |
| 343 |
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} |
| 344 |
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| 345 |
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return (status); |
| 346 |
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} |
| 347 |
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| 348 |
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/* an edit menu handler for TextEdit |
| 349 |
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*/ |
| 350 |
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short NATEmenup(na_win *winp, WORD menuid, WORD itemno) |
| 351 |
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{ |
| 352 |
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MenuHandle mh = NAmenuh(mEdit); |
| 353 |
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TEHandle hTE = teinfo->hTE; |
| 354 |
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TEPtr pte; |
| 355 |
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short status = NA_NOTPROCESSED; |
| 356 |
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| 357 |
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switch (menuid) { |
| 358 |
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case 0: |
| 359 |
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pte = *hTE; |
| 360 |
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if (pte->selStart != pte->selEnd) { |
| 361 |
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EnableItem(mh, iCopy); |
| 362 |
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if (!(winp->flags & NATE_READONLY)) { |
| 363 |
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EnableItem(mh, iCut); |
| 364 |
|
|
EnableItem(mh, iClear); |
| 365 |
|
|
} |
| 366 |
|
|
} else { |
| 367 |
|
|
DisableItem(mh, iCopy); |
| 368 |
|
|
if (!(winp->flags & NATE_READONLY)) { |
| 369 |
|
|
DisableItem(mh, iCut); |
| 370 |
|
|
DisableItem(mh, iClear); |
| 371 |
|
|
} |
| 372 |
|
|
} |
| 373 |
|
|
EnableItem(mh, iSelAll); |
| 374 |
|
|
if (!(winp->flags & NATE_READONLY)) { |
| 375 |
|
|
EnableItem(mh, iPaste); |
| 376 |
|
|
} |
| 377 |
|
|
break; |
| 378 |
|
|
|
| 379 |
|
|
case mEdit: |
| 380 |
|
|
switch (itemno) { |
| 381 |
|
|
case iCut: |
| 382 |
|
|
TECut(hTE); |
| 383 |
|
|
goto DOSCRAP; |
| 384 |
|
|
|
| 385 |
|
|
case iCopy: |
| 386 |
|
|
TECopy(hTE); |
| 387 |
|
|
DOSCRAP: |
| 388 |
|
|
ZeroScrap(); |
| 389 |
|
|
TEToScrap(); |
| 390 |
|
|
goto EDITDONE; |
| 391 |
|
|
|
| 392 |
|
|
case iPaste: |
| 393 |
|
|
TEFromScrap(); |
| 394 |
|
|
TEPaste(hTE); |
| 395 |
|
|
goto EDITDONE; |
| 396 |
|
|
|
| 397 |
|
|
case iClear: |
| 398 |
|
|
TEDelete(hTE); |
| 399 |
|
|
goto EDITDONE; |
| 400 |
|
|
|
| 401 |
|
|
case iSelAll: |
| 402 |
|
|
TESetSelect(0, 32767, hTE); |
| 403 |
|
|
TESelView(hTE); |
| 404 |
|
|
EDITDONE: |
| 405 |
|
|
status = NA_PROCESSED; |
| 406 |
|
|
NATEsetscroll(winp, false, (Rect*) NULL, (Rect*) NULL); |
| 407 |
|
|
break; |
| 408 |
|
|
} |
| 409 |
|
|
default: |
| 410 |
|
|
DisableItem(mh, iSelAll); |
| 411 |
|
|
break; |
| 412 |
|
|
} |
| 413 |
|
|
|
| 414 |
|
|
return (status); |
| 415 |
|
|
} |
| 416 |
|
|
|
| 417 |
|
|
/* mouse procedure for TextEdit |
| 418 |
|
|
*/ |
| 419 |
|
|
short NATEmousep(na_win *winp, Point p, short type, short mods) |
| 420 |
|
|
{ |
| 421 |
|
|
TEHandle hTE = teinfo->hTE; |
| 422 |
|
|
|
| 423 |
|
|
if (!PtInRect(p, &(*hTE)->viewRect)) return (NA_NOTPROCESSED); |
| 424 |
|
|
if (type == NA_DOWN1 || type == NA_DOWN2 || type == NA_DOWNN) { |
| 425 |
|
|
TEClick(p, mods & shiftKey ? true : false, hTE); |
| 426 |
|
|
NAmousetime = TickCount(); |
| 427 |
|
|
NAlastmouse++; |
| 428 |
|
|
} |
| 429 |
|
|
|
| 430 |
|
|
return (NA_PROCESSED); |
| 431 |
|
|
} |
| 432 |
|
|
|
| 433 |
|
|
/* close procedure for TextEdit |
| 434 |
|
|
*/ |
| 435 |
|
|
short NATEclosep(na_win *winp) |
| 436 |
|
|
{ |
| 437 |
|
|
TEDispose(teinfo->hTE); |
| 438 |
|
|
|
| 439 |
|
|
return (NA_CLOSED); |
| 440 |
|
|
} |
| 441 |
|
|
|
| 442 |
|
|
/* append text at the end of a TextEdit window |
| 443 |
|
|
*/ |
| 444 |
|
|
void NATEappend(na_win *winp, char *data, long len) |
| 445 |
|
|
{ |
| 446 |
|
|
TEHandle hTE = ((nate_win*) winp)->hTE; |
| 447 |
|
|
|
| 448 |
|
|
TESetSelect(32767, 32767, hTE); |
| 449 |
|
|
TEInsert(data, len, hTE); |
| 450 |
|
|
TESelView(hTE); |
| 451 |
|
|
NATEsetscroll(winp, false, (Rect*) NULL, (Rect*) NULL); |
| 452 |
|
|
} |
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