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https://github.com/MidnightCommander/mc
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ab6e6554f5
* Makefile.in: distribute xdnd.h
1228 lines
34 KiB
C
1228 lines
34 KiB
C
/* editor initialisation and callback handler.
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Copyright (C) 1996, 1997 the Free Software Foundation
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Authors: 1996, 1997 Paul Sheer
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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*/
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#include <config.h>
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#include "edit.h"
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#ifndef MIDNIGHT
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#include <X11/Xmd.h> /* CARD32 */
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#include <X11/Xatom.h>
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#include "app_glob.c"
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#include "coollocal.h"
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#include "editcmddef.h"
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#include "mousemark.h"
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#endif
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#if defined (HAVE_MAD) && ! defined (MIDNIGHT) && ! defined (GTK)
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#include "mad.h"
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#endif
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#ifndef MIDNIGHT
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#include "xdnd.h"
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extern int EditExposeRedraw;
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CWidget *wedit = 0;
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void edit_destroy_callback (CWidget * w)
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{
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if (w) {
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edit_clean (w->editor);
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if (w->editor)
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free (w->editor);
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w->editor = NULL;
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} else
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/* NLS ? */
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CError ("Trying to destroy non-existing editor widget.\n");
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}
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void link_hscrollbar_to_editor (CWidget * scrollbar, CWidget * editor, XEvent * xevent, CEvent * cwevent, int whichscrbutton);
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/* returns the position in the edit buffer of a window click */
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long edit_get_click_pos (WEdit * edit, int x, int y)
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{
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long click;
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/* (1) goto to left margin */
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click = edit_bol (edit, edit->curs1);
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/* (1) move up or down */
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if (y > (edit->curs_row + 1))
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click = edit_move_forward (edit, click, y - (edit->curs_row + 1), 0);
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if (y < (edit->curs_row + 1))
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click = edit_move_backward (edit, click, (edit->curs_row + 1) - y);
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/* (3) move right to x pos */
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click = edit_move_forward3 (edit, click, x - edit->start_col - 1, 0);
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return click;
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}
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void edit_translate_xy (int xs, int ys, int *x, int *y)
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{
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*x = xs - EDIT_TEXT_HORIZONTAL_OFFSET;
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*y = (ys - EDIT_TEXT_VERTICAL_OFFSET - option_text_line_spacing / 2 - 1) / FONT_PIX_PER_LINE + 1;
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}
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extern int just_dropped_something;
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void mouse_redraw (WEdit * edit, long click)
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{
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edit->force |= REDRAW_PAGE | REDRAW_LINE;
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edit_update_curs_row (edit);
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edit_update_curs_col (edit);
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edit->prev_col = edit_get_col (edit);
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edit_update_screen (edit);
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edit->search_start = click;
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}
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static void xy (int x, int y, int *x_return, int *y_return)
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{
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edit_translate_xy (x, y, x_return, y_return);
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}
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static long cp (WEdit * edit, int x, int y)
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{
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return edit_get_click_pos (edit, x, y);
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}
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/* return 1 if not marked */
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static int marks (WEdit * edit, long *start, long *end)
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{
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return eval_marks (edit, start, end);
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}
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int column_highlighting = 0;
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static int erange (WEdit * edit, long start, long end, int click)
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{
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if (column_highlighting) {
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int x;
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x = edit_move_forward3 (edit, edit_bol (edit, click), 0, click);
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if ((x >= edit->column1 && x < edit->column2)
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|| (x > edit->column2 && x <= edit->column1))
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return (start <= click && click < end);
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else
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return 0;
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}
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return (start <= click && click < end);
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}
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static void fin_mark (WEdit * edit)
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{
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if (edit->mark2 < 0)
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edit_mark_cmd (edit, 0);
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}
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static void move_mark (WEdit * edit)
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{
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edit_mark_cmd (edit, 1);
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edit_mark_cmd (edit, 0);
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}
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static void release_mark (WEdit * edit, XEvent * event)
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{
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if (edit->mark2 < 0)
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edit_mark_cmd (edit, 0);
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else
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edit_mark_cmd (edit, 1);
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if (edit->mark1 != edit->mark2 && event) {
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edit_get_selection (edit);
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XSetSelectionOwner (CDisplay, XA_PRIMARY, CWindowOf (edit->widget), event->xbutton.time);
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}
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#ifdef GTK
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else {
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edit->widget->editable.has_selection = TRUE;
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}
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#endif
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}
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static char *get_block (WEdit * edit, long start_mark, long end_mark, int *type, int *l)
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{
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char *t;
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t = (char *) edit_get_block (edit, start_mark, end_mark, l);
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if (strlen (t) < *l)
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*type = DndRawData; /* if there are nulls in the data, send as raw */
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else
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*type = DndText; /* else send as text */
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return t;
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}
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static void move (WEdit * edit, long click, int y)
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{
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edit_cursor_move (edit, click - edit->curs1);
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}
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static void dclick (WEdit * edit, XEvent * event)
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{
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edit_mark_cmd (edit, 1);
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edit_right_word_move (edit, 1);
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edit_mark_cmd (edit, 0);
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edit_left_word_move (edit, 1);
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release_mark (edit, event);
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}
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static void redraw (WEdit * edit, long click)
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{
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mouse_redraw (edit, click);
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}
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void edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width);
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/* strips out the first i chars and returns a null terminated string, result must be free'd */
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char *filename_from_url (char *data, int size, int i)
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{
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char *p, *f;
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int l;
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for (p = data + i; (unsigned long) p - (unsigned long) data < size && *p && *p != '\n'; p++);
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l = (unsigned long) p - (unsigned long) data - i;
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f = malloc (l + 1);
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memcpy (f, data + i, l);
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f[l] = '\0';
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return f;
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}
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static int insert_drop (WEdit * e, Window from, unsigned char *data, int size, int xs, int ys, Atom type, Atom action)
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{
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long start_mark = 0, end_mark = 0;
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int x, y;
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edit_translate_xy (xs, ys, &x, &y);
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/* musn't be able to drop into a block, otherwise a single click will copy a block: */
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if (eval_marks (e, &start_mark, &end_mark))
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goto fine;
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if (start_mark > e->curs1 || e->curs1 >= end_mark)
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goto fine;
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if (column_highlighting) {
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if (!((x >= e->column1 && x < e->column2)
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|| (x > e->column2 && x <= e->column1)))
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goto fine;
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}
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return 1;
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fine:
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if (from == e->widget->winid && action == CDndClass->XdndActionMove) {
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edit_block_move_cmd (e);
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edit_mark_cmd (e, 1);
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return 0;
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} else if (from == e->widget->winid) {
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edit_block_copy_cmd (e);
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return 0;
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} else { /* data from another widget, or from another application */
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edit_push_action (e, KEY_PRESS + e->start_display);
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if (type == XInternAtom (CDisplay, "url/url", False)) {
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if (!strncmp ((char *) data, "file:/", 6)) {
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char *f;
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edit_insert_file (e, f = filename_from_url ((char *) data, size, strlen ("file:")));
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free (f);
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} else {
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while (size--)
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edit_insert_ahead (e, data[size]);
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}
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} else {
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if (column_highlighting) {
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edit_insert_column_of_text (e, data, size, abs (e->column2 - e->column1));
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} else {
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while (size--)
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edit_insert_ahead (e, data[size]);
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}
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}
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}
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CExpose (e->widget->ident);
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return 0;
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}
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static char *mime_majors[2] =
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{"text", 0};
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struct mouse_funcs edit_mouse_funcs =
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{
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0,
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(void (*)(int, int, int *, int *)) xy,
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(long (*)(void *, int, int)) cp,
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(int (*)(void *, long *, long *)) marks,
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(int (*)(void *, long, long, long)) erange,
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(void (*)(void *)) fin_mark,
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(void (*)(void *)) move_mark,
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(void (*)(void *, XEvent *)) release_mark,
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(char *(*)(void *, long, long, int *, int *)) get_block,
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(void (*)(void *, long, int)) move,
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0,
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(void (*)(void *, XEvent *)) dclick,
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(void (*)(void *, long)) redraw,
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(int (*)(void *, Window, unsigned char *, int, int, int, Atom, Atom)) insert_drop,
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(void (*)(void *)) edit_block_delete,
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DndText,
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mime_majors
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};
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static void render_book_marks (CWidget * w);
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extern int option_editor_bg_normal;
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void edit_tri_cursor (Window win);
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/* starting_directory is for the filebrowser */
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CWidget *CDrawEditor (const char *identifier, Window parent, int x, int y,
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int width, int height, const char *text, const char *filename,
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const char *starting_directory, unsigned int options, unsigned long text_size)
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{
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static int made_directory = 0;
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int extra_space_for_hscroll = 0;
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CWidget *w;
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WEdit *e;
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CPushFont ("editor", 0);
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#ifdef NEXT_LOOK
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x += NEXT_SPACING;
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if (options & EDITOR_HORIZ_SCROLL)
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extra_space_for_hscroll = 21;
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#else
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if (options & EDITOR_HORIZ_SCROLL)
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extra_space_for_hscroll = 8;
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#endif
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wedit = w = CSetupWidget (identifier, parent, x, y,
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width + EDIT_FRAME_W, height + EDIT_FRAME_H, C_EDITOR_WIDGET,
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ExposureMask | ButtonPressMask | ButtonReleaseMask | \
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KeyPressMask | KeyReleaseMask | ButtonMotionMask | \
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PropertyChangeMask | StructureNotifyMask | \
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EnterWindowMask | LeaveWindowMask, color_palette (option_editor_bg_normal), 1);
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xdnd_set_dnd_aware (CDndClass, w->winid, 0);
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xdnd_set_type_list (CDndClass, w->winid, xdnd_typelist_send[DndText]);
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edit_tri_cursor (w->winid);
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w->options = options | WIDGET_TAKES_SELECTION;
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w->destroy = edit_destroy_callback;
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if (filename)
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w->label = (char *) strdup (filename);
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else
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w->label = (char *) strdup ("");
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if (!made_directory) {
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mkdir (catstrs (home_dir, EDIT_DIR, 0), 0700);
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made_directory = 1;
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}
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e = w->editor = CMalloc (sizeof (WEdit));
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w->funcs = mouse_funcs_new (w->editor, &edit_mouse_funcs);
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if (!w->editor) {
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/* Not essential to translate */
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CError (_ ("Error initialising editor.\n"));
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CPopFont ();
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return 0;
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}
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w->editor->widget = w;
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w->editor = edit_init (e, height / FONT_PIX_PER_LINE, width / FONT_MEAN_WIDTH, filename, text, starting_directory, text_size);
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w->funcs->data = (void *) w->editor;
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if (!w->editor) {
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free (e);
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CDestroyWidget (w->ident);
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CPopFont ();
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return 0;
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}
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e->macro_i = -1;
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e->widget = w;
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if (!(options & EDITOR_NO_SCROLL)) {
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w->vert_scrollbar = CDrawVerticalScrollbar (catstrs (identifier, ".vsc", 0), parent,
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x + width + EDIT_FRAME_W + WIDGET_SPACING, y, height + EDIT_FRAME_H,
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#ifdef NEXT_LOOK
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AUTO_WIDTH,
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#else
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20,
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#endif
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0, 0);
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CSetScrollbarCallback (w->vert_scrollbar->ident, w->ident, link_scrollbar_to_editor);
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w->vert_scrollbar->scroll_bar_extra_render = render_book_marks;
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}
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set_hint_pos (x + width + EDIT_FRAME_W + WIDGET_SPACING, y + height + EDIT_FRAME_H + WIDGET_SPACING + extra_space_for_hscroll);
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if (extra_space_for_hscroll) {
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w->hori_scrollbar = CDrawHorizontalScrollbar (catstrs (identifier, ".hsc", 0), parent,
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x, y + height + EDIT_FRAME_H, width + EDIT_FRAME_W,
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#ifdef NEXT_LOOK
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AUTO_HEIGHT,
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#else
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12,
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#endif
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0, 0);
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CSetScrollbarCallback (w->hori_scrollbar->ident, w->ident, link_hscrollbar_to_editor);
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}
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CGetHintPos (0, &y);
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if (!(options & EDITOR_NO_TEXT)) {
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CPushFont ("widget", 0);
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#ifdef NEXT_LOOK
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CDrawStatus (catstrs (identifier, ".text", 0), parent, x, y + WIDGET_SPACING + NEXT_SPACING, width + EDIT_FRAME_W, e->filename);
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#else
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CDrawStatus (catstrs (identifier, ".text", 0), parent, x, y, width + EDIT_FRAME_W, e->filename);
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#endif
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CPopFont ();
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}
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CPopFont ();
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return w;
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}
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static void render_book_marks (CWidget * w)
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{
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struct _book_mark *p;
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WEdit *edit;
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int l;
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char i[32];
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if (!w)
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return;
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strcpy (i, CIdentOf (w));
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*(strstr (i, ".vsc")) = '\0';
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edit = (CIdent (i))->editor;
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if (!edit->book_mark)
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return;
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l = CHeightOf (w) - 10 * CWidthOf (w) / 3 - 10;
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for (p = edit->book_mark; p->next; p = p->next);
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for (; p->prev; p = p->prev) {
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int y = (CWidthOf (w) + 2 * CWidthOf (w) / 3 + 4) + (int) ((double) l * p->line / edit->total_lines);
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CSetColor (color_palette (((p->c & 0xFF00) >> 8) ? ((p->c & 0xFF00) >> 8) : (p->c & 0xFF)));
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CLine (CWindowOf (w), 5, y, CWidthOf (w) - 6, y);
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}
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}
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void update_scroll_bars (WEdit * e)
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{
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int i, x1, x2;
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CWidget *scroll;
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CPushFont ("editor", 0);
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scroll = e->widget->vert_scrollbar;
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if (scroll) {
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i = e->total_lines - e->start_line + 1;
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if (i > e->num_widget_lines)
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i = e->num_widget_lines;
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if (e->total_lines) {
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x1 = (double) 65535.0 *e->start_line / (e->total_lines + 1);
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x2 = (double) 65535.0 *i / (e->total_lines + 1);
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} else {
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x1 = 0;
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x2 = 65535;
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}
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if (x1 != scroll->firstline || x2 != scroll->numlines) {
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scroll->firstline = x1;
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scroll->numlines = x2;
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EditExposeRedraw = 1;
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render_scrollbar (scroll);
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EditExposeRedraw = 0;
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}
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}
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scroll = e->widget->hori_scrollbar;
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if (scroll) {
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i = e->max_column - (-e->start_col) + 1;
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if (i > e->num_widget_columns * FONT_MEAN_WIDTH)
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i = e->num_widget_columns * FONT_MEAN_WIDTH;
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x1 = (double) 65535.0 *(-e->start_col) / (e->max_column + 1);
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x2 = (double) 65535.0 *i / (e->max_column + 1);
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if (x1 != scroll->firstline || x2 != scroll->numlines) {
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scroll->firstline = x1;
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scroll->numlines = x2;
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EditExposeRedraw = 1;
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render_scrollbar (scroll);
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EditExposeRedraw = 0;
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}
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}
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CPopFont ();
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}
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void edit_mouse_mark (WEdit * edit, XEvent * event, int double_click)
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{
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CPushFont ("editor", 0);
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edit_update_curs_row (edit);
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edit_update_curs_col (edit);
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if (event->type != MotionNotify) {
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edit_push_action (edit, KEY_PRESS + edit->start_display);
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if (edit->mark2 == -1)
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edit_push_action (edit, MARK_1 + edit->mark1); /* mark1 must be following the cursor */
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}
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if (event->type == ButtonPress) {
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edit->highlight = 0;
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edit->found_len = 0;
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}
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mouse_mark (
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event,
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double_click,
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edit->widget->funcs
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);
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CPopFont ();
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}
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void link_scrollbar_to_editor (CWidget * scrollbar, CWidget * editor, XEvent * xevent, CEvent * cwevent, int whichscrbutton)
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{
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int i, start_line;
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WEdit *e;
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e = editor->editor;
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if (!e)
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return;
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if (!e->widget->vert_scrollbar)
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return;
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CPushFont ("editor", 0);
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start_line = e->start_line;
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if ((xevent->type == ButtonRelease || xevent->type == MotionNotify) && whichscrbutton == 3) {
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edit_move_display (e, (double) scrollbar->firstline * e->total_lines / 65535.0 + 1);
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} else if (xevent->type == ButtonPress && (cwevent->button == Button1 || cwevent->button == Button2)) {
|
|
switch (whichscrbutton) {
|
|
case 1:
|
|
edit_move_display (e, e->start_line - e->num_widget_lines + 1);
|
|
break;
|
|
case 2:
|
|
edit_move_display (e, e->start_line - 1);
|
|
break;
|
|
case 5:
|
|
edit_move_display (e, e->start_line + 1);
|
|
break;
|
|
case 4:
|
|
edit_move_display (e, e->start_line + e->num_widget_lines - 1);
|
|
break;
|
|
}
|
|
}
|
|
if (e->total_lines)
|
|
scrollbar->firstline = (double) 65535.0 *e->start_line / (e->total_lines + 1);
|
|
else
|
|
scrollbar->firstline = 0;
|
|
i = e->total_lines - e->start_line + 1;
|
|
if (i > e->num_widget_lines)
|
|
i = e->num_widget_lines;
|
|
if (e->total_lines)
|
|
scrollbar->numlines = (double) 65535.0 *i / (e->total_lines + 1);
|
|
else
|
|
scrollbar->numlines = 65535;
|
|
if (start_line != e->start_line) {
|
|
e->force |= REDRAW_PAGE | REDRAW_LINE;
|
|
set_cursor_position (0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
if (CCheckWindowEvent (xevent->xany.window, ButtonReleaseMask | ButtonMotionMask, 0)) {
|
|
CPopFont ();
|
|
return;
|
|
}
|
|
}
|
|
if (e->force) {
|
|
edit_render_keypress (e);
|
|
edit_status (e);
|
|
}
|
|
CPopFont ();
|
|
}
|
|
|
|
void link_hscrollbar_to_editor (CWidget * scrollbar, CWidget * editor, XEvent * xevent, CEvent * cwevent, int whichscrbutton)
|
|
{
|
|
int i, start_col;
|
|
WEdit *e;
|
|
e = editor->editor;
|
|
if (!e)
|
|
return;
|
|
if (!e->widget->hori_scrollbar)
|
|
return;
|
|
CPushFont ("editor", 0);
|
|
start_col = (-e->start_col);
|
|
if ((xevent->type == ButtonRelease || xevent->type == MotionNotify) && whichscrbutton == 3) {
|
|
e->start_col = (double) scrollbar->firstline * e->max_column / 65535.0 + 1;
|
|
e->start_col -= e->start_col % FONT_MEAN_WIDTH;
|
|
if (e->start_col < 0)
|
|
e->start_col = 0;
|
|
e->start_col = (-e->start_col);
|
|
} else if (xevent->type == ButtonPress && (cwevent->button == Button1 || cwevent->button == Button2)) {
|
|
switch (whichscrbutton) {
|
|
case 1:
|
|
edit_scroll_left (e, (e->num_widget_columns - 1) * FONT_MEAN_WIDTH);
|
|
break;
|
|
case 2:
|
|
edit_scroll_left (e, FONT_MEAN_WIDTH);
|
|
break;
|
|
case 5:
|
|
edit_scroll_right (e, FONT_MEAN_WIDTH);
|
|
break;
|
|
case 4:
|
|
edit_scroll_right (e, (e->num_widget_columns - 1) * FONT_MEAN_WIDTH);
|
|
break;
|
|
}
|
|
}
|
|
scrollbar->firstline = (double) 65535.0 *(-e->start_col) / (e->max_column + 1);
|
|
i = e->max_column - (-e->start_col) + 1;
|
|
if (i > e->num_widget_columns * FONT_MEAN_WIDTH)
|
|
i = e->num_widget_columns * FONT_MEAN_WIDTH;
|
|
scrollbar->numlines = (double) 65535.0 *i / (e->max_column + 1);
|
|
if (start_col != (-e->start_col)) {
|
|
e->force |= REDRAW_PAGE | REDRAW_LINE;
|
|
set_cursor_position (0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
if (CCheckWindowEvent (xevent->xany.window, ButtonReleaseMask | ButtonMotionMask, 0)) {
|
|
CPopFont ();
|
|
return;
|
|
}
|
|
}
|
|
if (e->force) {
|
|
edit_render_keypress (e);
|
|
edit_status (e);
|
|
}
|
|
CPopFont ();
|
|
}
|
|
|
|
/*
|
|
This section comes from rxvt-2.21b1/src/screen.c by
|
|
Robert Nation <nation@rocket.sanders.lockheed.com> &
|
|
mods by mj olesen <olesen@me.QueensU.CA>
|
|
|
|
Changes made for cooledit
|
|
*/
|
|
void selection_send (XSelectionRequestEvent * rq)
|
|
{
|
|
XEvent ev;
|
|
static Atom xa_targets = None;
|
|
if (xa_targets == None)
|
|
xa_targets = XInternAtom (CDisplay, "TARGETS", False);
|
|
|
|
ev.xselection.type = SelectionNotify;
|
|
ev.xselection.property = None;
|
|
ev.xselection.display = rq->display;
|
|
ev.xselection.requestor = rq->requestor;
|
|
ev.xselection.selection = rq->selection;
|
|
ev.xselection.target = rq->target;
|
|
ev.xselection.time = rq->time;
|
|
|
|
if (rq->target == xa_targets) {
|
|
/*
|
|
* On some systems, the Atom typedef is 64 bits wide.
|
|
* We need to have a typedef that is exactly 32 bits wide,
|
|
* because a format of 64 is not allowed by the X11 protocol.
|
|
*
|
|
* XXX: yes, but Xlib requires that you pass it 64 bits for 32bit
|
|
* quantities on 64 bit archs.
|
|
*/
|
|
/* typedef CARD32 Atom32; */
|
|
|
|
Atom target_list[2];
|
|
|
|
target_list[0] = xa_targets;
|
|
target_list[1] = XA_STRING;
|
|
|
|
XChangeProperty (CDisplay, rq->requestor, rq->property,
|
|
xa_targets, 8 * sizeof (target_list[0]), PropModeReplace,
|
|
(unsigned char *) target_list,
|
|
sizeof (target_list) / sizeof (target_list[0]));
|
|
ev.xselection.property = rq->property;
|
|
} else if (rq->target == XA_STRING) {
|
|
XChangeProperty (CDisplay, rq->requestor, rq->property,
|
|
XA_STRING, 8, PropModeReplace,
|
|
selection.text, selection.len);
|
|
ev.xselection.property = rq->property;
|
|
}
|
|
XSendEvent (CDisplay, rq->requestor, False, 0, &ev);
|
|
}
|
|
|
|
/*{{{ paste selection */
|
|
|
|
/*
|
|
* Respond to a notification that a primary selection has been sent
|
|
*/
|
|
void paste_prop (void *data, void (*insert) (void *, int), Window win, unsigned prop, int delete)
|
|
{
|
|
long nread;
|
|
unsigned long bytes_after;
|
|
|
|
if (prop == None)
|
|
return;
|
|
|
|
nread = 0;
|
|
do {
|
|
unsigned char *s;
|
|
Atom actual_type;
|
|
int actual_fmt, i;
|
|
unsigned long nitems;
|
|
|
|
if (XGetWindowProperty (CDisplay, win, prop,
|
|
nread / 4, 65536, delete,
|
|
AnyPropertyType, &actual_type, &actual_fmt,
|
|
&nitems, &bytes_after,
|
|
&s) != Success) {
|
|
XFree (s);
|
|
return;
|
|
}
|
|
nread += nitems;
|
|
for (i = 0; i < nitems; i++)
|
|
(*insert) (data, s[i]);
|
|
XFree (s);
|
|
} while (bytes_after);
|
|
}
|
|
|
|
void selection_paste (WEdit * edit, Window win, unsigned prop, int delete)
|
|
{
|
|
long c;
|
|
c = edit->curs1;
|
|
paste_prop ((void *) edit,
|
|
(void (*)(void *, int)) edit_insert,
|
|
win, prop, delete);
|
|
edit_cursor_move (edit, c - edit->curs1);
|
|
edit->force |= REDRAW_COMPLETELY | REDRAW_LINE;
|
|
}
|
|
|
|
/*}}} */
|
|
|
|
void selection_clear (void)
|
|
{
|
|
selection.text = 0;
|
|
selection.len = 0;
|
|
}
|
|
|
|
void edit_update_screen (WEdit * e)
|
|
{
|
|
if (!e)
|
|
return;
|
|
if (!e->force)
|
|
return;
|
|
|
|
CPushFont ("editor", 0);
|
|
edit_scroll_screen_over_cursor (e);
|
|
edit_update_curs_row (e);
|
|
edit_update_curs_col (e);
|
|
update_scroll_bars (e);
|
|
edit_status (e);
|
|
|
|
if (e->force & REDRAW_COMPLETELY)
|
|
e->force |= REDRAW_PAGE;
|
|
|
|
/* pop all events for this window for internal handling */
|
|
if (e->force & (REDRAW_CHAR_ONLY | REDRAW_COMPLETELY)) {
|
|
edit_render_keypress (e);
|
|
} else if (CCheckWindowEvent (e->widget->winid, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, 0)
|
|
|| CKeyPending ()) {
|
|
e->force |= REDRAW_PAGE;
|
|
CPopFont ();
|
|
return;
|
|
} else {
|
|
edit_render_keypress (e);
|
|
}
|
|
CPopFont ();
|
|
}
|
|
|
|
extern int space_width;
|
|
|
|
#ifdef HAVE_DND
|
|
#define free_data if (data) {free(data);data=0;}
|
|
|
|
/* handles drag and drop */
|
|
void handle_client_message (CWidget * w, XEvent * xevent)
|
|
{
|
|
int data_type;
|
|
unsigned char *data = 0;
|
|
unsigned long size;
|
|
int xs, ys;
|
|
long start_line;
|
|
int x, y, r, deleted = 0;
|
|
long click;
|
|
unsigned int state;
|
|
long start_mark = 0, end_mark = 0;
|
|
WEdit *e = w->editor;
|
|
|
|
/* see just below for a comment on what this is for: */
|
|
if (CIsDropAcknowledge (xevent, &state) != DndNotDnd) {
|
|
if (!(state & Button1Mask) && just_dropped_something) {
|
|
edit_push_action (e, KEY_PRESS + e->start_display);
|
|
edit_block_delete_cmd (e);
|
|
}
|
|
return;
|
|
}
|
|
data_type = CGetDrop (xevent, &data, &size, &xs, &ys);
|
|
|
|
if (data_type == DndNotDnd || xs < 0 || ys < 0 || xs >= CWidthOf (w) || ys >= CHeightOf (w)) {
|
|
free_data;
|
|
return;
|
|
}
|
|
edit_translate_xy (xs, ys, &x, &y);
|
|
click = edit_get_click_pos (e, x, y);
|
|
|
|
r = eval_marks (e, &start_mark, &end_mark);
|
|
/* musn't be able to drop into a block, otherwise a single click will copy a block: */
|
|
if (r)
|
|
goto fine;
|
|
if (start_mark > click || click >= end_mark)
|
|
goto fine;
|
|
if (column_highlighting) {
|
|
if (!((x >= e->column1 && x < e->column2)
|
|
|| (x > e->column2 && x <= e->column1)))
|
|
goto fine;
|
|
}
|
|
free_data;
|
|
return;
|
|
fine:
|
|
edit_push_action (e, KEY_PRESS + e->start_display);
|
|
|
|
/* drops to the same window moving to the left: */
|
|
start_line = e->start_line;
|
|
if (xevent->xclient.data.l[2] == xevent->xclient.window && !(xevent->xclient.data.l[1] & Button1Mask))
|
|
if ((column_highlighting && x < max (e->column1, e->column2)) || !column_highlighting) {
|
|
edit_block_delete_cmd (e);
|
|
deleted = 1;
|
|
}
|
|
edit_update_curs_row (e);
|
|
edit_move_display (e, start_line);
|
|
click = edit_get_click_pos (e, x, y); /* click pos changes with edit_block_delete_cmd() */
|
|
edit_cursor_move (e, click - e->curs1);
|
|
if (data_type == DndFile) {
|
|
edit_insert_file (e, (char *) data);
|
|
} else if (data_type != DndFiles) {
|
|
if (dnd_null_term_type (data_type)) {
|
|
int len;
|
|
len = strlen ((char *) data);
|
|
size = min (len, size);
|
|
}
|
|
if (column_highlighting) {
|
|
edit_insert_column_of_text (e, data, size, abs (e->column2 - e->column1));
|
|
} else {
|
|
while (size--)
|
|
edit_insert_ahead (e, data[size]);
|
|
}
|
|
} else {
|
|
while (size--)
|
|
edit_insert_ahead (e, data[size] ? data[size] : '\n');
|
|
}
|
|
|
|
/* drops to the same window moving to the right: */
|
|
if (xevent->xclient.data.l[2] == xevent->xclient.window && !(xevent->xclient.data.l[1] & Button1Mask))
|
|
if (column_highlighting && !deleted)
|
|
edit_block_delete_cmd (e);
|
|
|
|
/* The drop has now been successfully recieved. We can now send an acknowledge
|
|
event back to the window that send the data. When this window recieves
|
|
the acknowledge event, the app can decide whether or not to delete the data.
|
|
This allows text to be safely moved betweem text windows without the
|
|
risk of data being lost. In our case, drag with button1 is a copy
|
|
drag, while drag with any other button is a move drag (i.e. the sending
|
|
application must delete its selection after recieving an acknowledge
|
|
event). We must not, however, send an acknowledge signal if a filelist
|
|
(for example) was passed to us, since the sender might take this to
|
|
mean that all those files can be deleted! The two types we can acknowledge
|
|
are: */
|
|
if (xevent->xclient.data.l[2] != xevent->xclient.window) /* drops to the same window */
|
|
if (data_type == DndText || data_type == DndRawData)
|
|
CDropAcknowledge (xevent);
|
|
e->force |= REDRAW_COMPLETELY | REDRAW_LINE;
|
|
free_data;
|
|
}
|
|
#endif
|
|
|
|
int eh_editor (CWidget * w, XEvent * xevent, CEvent * cwevent)
|
|
{
|
|
WEdit *e = w->editor;
|
|
int r = 0;
|
|
static int old_tab_spacing = -1;
|
|
|
|
if (!e)
|
|
return 0;
|
|
|
|
if (old_tab_spacing != option_tab_spacing)
|
|
e->force |= REDRAW_COMPLETELY + REDRAW_LINE;
|
|
old_tab_spacing = option_tab_spacing;
|
|
|
|
if (xevent->type == KeyPress) {
|
|
if (xevent->xkey.keycode == 0x31 && xevent->xkey.state == 0xD) {
|
|
CSetColor (color_palette (18));
|
|
CRectangle (w->winid, 0, 0, w->width, w->height);
|
|
}
|
|
}
|
|
switch (xevent->type) {
|
|
case SelectionNotify:
|
|
selection_paste (e, xevent->xselection.requestor, xevent->xselection.property, True);
|
|
r = 1;
|
|
break;
|
|
case SelectionRequest:
|
|
selection_send (&(xevent->xselectionrequest));
|
|
return 1;
|
|
/* case SelectionClear: ---> This is handled by coolnext.c: CNextEvent() */
|
|
#ifdef HAVE_DND
|
|
case ClientMessage:
|
|
handle_client_message (w, xevent);
|
|
r = 1;
|
|
#endif
|
|
break;
|
|
case ButtonPress:
|
|
CFocus (w);
|
|
edit_render_tidbits (w);
|
|
case ButtonRelease:
|
|
if (xevent->xbutton.state & ControlMask) {
|
|
if (!column_highlighting)
|
|
edit_push_action (e, COLUMN_OFF);
|
|
column_highlighting = 1;
|
|
} else {
|
|
if (column_highlighting)
|
|
edit_push_action (e, COLUMN_ON);
|
|
column_highlighting = 0;
|
|
}
|
|
case MotionNotify:
|
|
if (!xevent->xmotion.state && xevent->type == MotionNotify)
|
|
return 0;
|
|
resolve_button (xevent, cwevent);
|
|
if ((cwevent->button == Button4 || cwevent->button == Button5)
|
|
&& (xevent->type == ButtonRelease)) {
|
|
/* ahaack: wheel mouse mapped as button 4 and 5 */
|
|
r = edit_execute_key_command (e, (cwevent->button == Button5) ? CK_Page_Down : CK_Page_Up, -1);
|
|
break;
|
|
}
|
|
edit_mouse_mark (e, xevent, cwevent->double_click);
|
|
break;
|
|
case Expose:
|
|
edit_render_expose (e, &(xevent->xexpose));
|
|
return 1;
|
|
case FocusIn:
|
|
CSetCursorColor (e->overwrite ? color_palette (24) : color_palette (19));
|
|
case FocusOut:
|
|
edit_render_tidbits (w);
|
|
e->force |= REDRAW_CHAR_ONLY | REDRAW_LINE;
|
|
edit_render_keypress (e);
|
|
return 1;
|
|
break;
|
|
case KeyRelease:
|
|
#if 0
|
|
if (column_highlighting) {
|
|
column_highlighting = 0;
|
|
e->force = REDRAW_COMPLETELY | REDRAW_LINE;
|
|
edit_mark_cmd (e, 1);
|
|
}
|
|
#endif
|
|
break;
|
|
case KeyPress:
|
|
cwevent->ident = w->ident;
|
|
if (!cwevent->command && cwevent->insert < 0) { /* no translation */
|
|
if ((cwevent->key == XK_r || cwevent->key == XK_R) && (cwevent->state & ControlMask)) {
|
|
cwevent->command = e->macro_i < 0 ? CK_Begin_Record_Macro : CK_End_Record_Macro;
|
|
} else {
|
|
cwevent->command = CKeySymMod (xevent);
|
|
if (cwevent->command > 0)
|
|
cwevent->command = CK_Macro (cwevent->command);
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
r = edit_execute_key_command (e, cwevent->command, cwevent->insert);
|
|
if (r)
|
|
edit_update_screen (e);
|
|
return r;
|
|
break;
|
|
case EditorCommand:
|
|
cwevent->ident = w->ident;
|
|
cwevent->command = xevent->xkey.keycode;
|
|
r = cwevent->handled = edit_execute_key_command (e, xevent->xkey.keycode, -1);
|
|
if (r)
|
|
edit_update_screen (e);
|
|
return r;
|
|
default:
|
|
return 0;
|
|
}
|
|
edit_update_screen (e);
|
|
return r;
|
|
}
|
|
|
|
#else
|
|
|
|
WEdit *wedit;
|
|
WButtonBar *edit_bar;
|
|
Dlg_head *edit_dlg;
|
|
WMenu *edit_menubar;
|
|
|
|
int column_highlighting = 0;
|
|
|
|
static int edit_callback (Dlg_head * h, WEdit * edit, int msg, int par);
|
|
|
|
static int edit_mode_callback (struct Dlg_head *h, int id, int msg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int edit_event (WEdit * edit, Gpm_Event * event, int *result)
|
|
{
|
|
*result = MOU_NORMAL;
|
|
edit_update_curs_row (edit);
|
|
edit_update_curs_col (edit);
|
|
if (event->type & (GPM_DOWN | GPM_DRAG | GPM_UP)) {
|
|
if (event->y > 1 && event->x > 0
|
|
&& event->x <= edit->num_widget_columns
|
|
&& event->y <= edit->num_widget_lines + 1) {
|
|
if (edit->mark2 != -1 && event->type & (GPM_UP | GPM_DRAG))
|
|
return 1; /* a lone up mustn't do anything */
|
|
if (event->type & (GPM_DOWN | GPM_UP))
|
|
edit_push_key_press (edit);
|
|
edit_cursor_move (edit, edit_bol (edit, edit->curs1) - edit->curs1);
|
|
if (--event->y > (edit->curs_row + 1))
|
|
edit_cursor_move (edit,
|
|
edit_move_forward (edit, edit->curs1, event->y - (edit->curs_row + 1), 0)
|
|
- edit->curs1);
|
|
if (event->y < (edit->curs_row + 1))
|
|
edit_cursor_move (edit,
|
|
+edit_move_backward (edit, edit->curs1, (edit->curs_row + 1) - event->y)
|
|
- edit->curs1);
|
|
edit_cursor_move (edit, (int) edit_move_forward3 (edit, edit->curs1,
|
|
event->x - edit->start_col - 1, 0) - edit->curs1);
|
|
edit->prev_col = edit_get_col (edit);
|
|
if (event->type & GPM_DOWN) {
|
|
edit_mark_cmd (edit, 1); /* reset */
|
|
edit->highlight = 0;
|
|
}
|
|
if (!(event->type & GPM_DRAG))
|
|
edit_mark_cmd (edit, 0);
|
|
edit->force |= REDRAW_COMPLETELY;
|
|
edit_update_curs_row (edit);
|
|
edit_update_curs_col (edit);
|
|
edit_update_screen (edit);
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
int menubar_event (Gpm_Event * event, WMenu * menubar); /* menu.c */
|
|
|
|
int edit_mouse_event (Gpm_Event * event, void *x)
|
|
{
|
|
int result;
|
|
if (edit_event ((WEdit *) x, event, &result))
|
|
return result;
|
|
else
|
|
return menubar_event (event, edit_menubar);
|
|
}
|
|
|
|
extern Menu EditMenuBar[5];
|
|
|
|
int edit (const char *_file, int line)
|
|
{
|
|
static int made_directory = 0;
|
|
int framed = 0;
|
|
int midnight_colors[4];
|
|
char *text = 0;
|
|
|
|
if (option_backup_ext_int != -1) {
|
|
option_backup_ext = malloc (sizeof (int) + 1);
|
|
option_backup_ext[sizeof (int)] = '\0';
|
|
memcpy (option_backup_ext, (char *) &option_backup_ext_int, sizeof (int));
|
|
}
|
|
if (!made_directory) {
|
|
mkdir (catstrs (home_dir, EDIT_DIR, 0), 0700);
|
|
made_directory = 1;
|
|
}
|
|
if (_file) {
|
|
if (!(*_file)) {
|
|
_file = 0;
|
|
text = "";
|
|
}
|
|
} else
|
|
text = "";
|
|
|
|
if (!(wedit = edit_init (NULL, LINES - 2, COLS, _file, text, "", 0))) {
|
|
message (1, _ (" Error "), get_error_msg (""));
|
|
return 0;
|
|
}
|
|
wedit->macro_i = -1;
|
|
|
|
/* Create a new dialog and add it widgets to it */
|
|
edit_dlg = create_dlg (0, 0, LINES, COLS, midnight_colors,
|
|
edit_mode_callback, "[Internal File Editor]",
|
|
"edit",
|
|
DLG_NONE);
|
|
|
|
edit_dlg->raw = 1; /*so that tab = '\t' key works */
|
|
|
|
init_widget (&(wedit->widget), 0, 0, LINES - 1, COLS,
|
|
(callback_fn) edit_callback,
|
|
(destroy_fn) edit_clean,
|
|
(mouse_h) edit_mouse_event, 0);
|
|
|
|
widget_want_cursor (wedit->widget, 1);
|
|
|
|
edit_bar = buttonbar_new (1);
|
|
|
|
if (!framed) {
|
|
switch (edit_key_emulation) {
|
|
case EDIT_KEY_EMULATION_NORMAL:
|
|
edit_init_menu_normal (); /* editmenu.c */
|
|
break;
|
|
case EDIT_KEY_EMULATION_EMACS:
|
|
edit_init_menu_emacs (); /* editmenu.c */
|
|
break;
|
|
}
|
|
edit_menubar = menubar_new (0, 0, COLS, EditMenuBar, N_menus);
|
|
}
|
|
add_widget (edit_dlg, wedit);
|
|
|
|
if (!framed)
|
|
add_widget (edit_dlg, edit_menubar);
|
|
|
|
add_widget (edit_dlg, edit_bar);
|
|
edit_move_display (wedit, line - 1);
|
|
edit_move_to_line (wedit, line - 1);
|
|
|
|
run_dlg (edit_dlg);
|
|
|
|
if (!framed)
|
|
edit_done_menu (); /* editmenu.c */
|
|
|
|
destroy_dlg (edit_dlg);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void edit_my_define (Dlg_head * h, int idx, char *text,
|
|
void (*fn) (WEdit *), WEdit * edit)
|
|
{
|
|
define_label_data (h, (Widget *) edit, idx, text, (buttonbarfn) fn, edit);
|
|
}
|
|
|
|
|
|
void cmd_F1 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (1));
|
|
}
|
|
|
|
void cmd_F2 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (2));
|
|
}
|
|
|
|
void cmd_F3 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (3));
|
|
}
|
|
|
|
void cmd_F4 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (4));
|
|
}
|
|
|
|
void cmd_F5 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (5));
|
|
}
|
|
|
|
void cmd_F6 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (6));
|
|
}
|
|
|
|
void cmd_F7 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (7));
|
|
}
|
|
|
|
void cmd_F8 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (8));
|
|
}
|
|
|
|
void cmd_F9 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (9));
|
|
}
|
|
|
|
void cmd_F10 (WEdit * edit)
|
|
{
|
|
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (10));
|
|
}
|
|
|
|
void edit_labels (WEdit * edit)
|
|
{
|
|
Dlg_head *h = edit->widget.parent;
|
|
|
|
edit_my_define (h, 1, _ ("Help"), cmd_F1, edit);
|
|
edit_my_define (h, 2, _ ("Save"), cmd_F2, edit);
|
|
edit_my_define (h, 3, _ ("Mark"), cmd_F3, edit);
|
|
edit_my_define (h, 4, _ ("Replac"), cmd_F4, edit);
|
|
edit_my_define (h, 5, _ ("Copy"), cmd_F5, edit);
|
|
edit_my_define (h, 6, _ ("Move"), cmd_F6, edit);
|
|
edit_my_define (h, 7, _ ("Search"), cmd_F7, edit);
|
|
edit_my_define (h, 8, _ ("Delete"), cmd_F8, edit);
|
|
if (!edit->have_frame)
|
|
edit_my_define (h, 9, _ ("PullDn"), edit_menu_cmd, edit);
|
|
edit_my_define (h, 10, _ ("Quit"), cmd_F10, edit);
|
|
|
|
redraw_labels (h, (Widget *) edit);
|
|
}
|
|
|
|
|
|
long get_key_state ()
|
|
{
|
|
return (long) get_modifier ();
|
|
}
|
|
|
|
void edit_adjust_size (Dlg_head * h)
|
|
{
|
|
WEdit *edit;
|
|
WButtonBar *edit_bar;
|
|
|
|
edit = (WEdit *) find_widget_type (h, (callback_fn) edit_callback);
|
|
edit_bar = (WButtonBar *) edit->widget.parent->current->next->widget;
|
|
widget_set_size (&edit->widget, 0, 0, LINES - 1, COLS);
|
|
widget_set_size (&edit_bar->widget, LINES - 1, 0, 1, COLS);
|
|
widget_set_size (&edit_menubar->widget, 0, 0, 1, COLS);
|
|
|
|
#ifdef RESIZABLE_MENUBAR
|
|
menubar_arrange (edit_menubar);
|
|
#endif
|
|
}
|
|
|
|
void edit_update_screen (WEdit * e)
|
|
{
|
|
edit_scroll_screen_over_cursor (e);
|
|
|
|
edit_update_curs_col (e);
|
|
edit_status (e);
|
|
|
|
/* pop all events for this window for internal handling */
|
|
|
|
if (!is_idle ()) {
|
|
e->force |= REDRAW_PAGE;
|
|
return;
|
|
}
|
|
if (e->force & REDRAW_COMPLETELY)
|
|
e->force |= REDRAW_PAGE;
|
|
edit_render_keypress (e);
|
|
}
|
|
|
|
static int edit_callback (Dlg_head * h, WEdit * e, int msg, int par)
|
|
{
|
|
switch (msg) {
|
|
case WIDGET_INIT:
|
|
e->force |= REDRAW_COMPLETELY;
|
|
edit_labels (e);
|
|
break;
|
|
case WIDGET_DRAW:
|
|
e->force |= REDRAW_COMPLETELY;
|
|
e->num_widget_lines = LINES - 2;
|
|
e->num_widget_columns = COLS;
|
|
case WIDGET_FOCUS:
|
|
edit_update_screen (e);
|
|
return 1;
|
|
case WIDGET_KEY:{
|
|
int cmd, ch;
|
|
if (edit_drop_hotkey_menu (e, par)) /* first check alt-f, alt-e, alt-s, etc for drop menus */
|
|
return 1;
|
|
if (!edit_translate_key (e, 0, par, get_key_state (), &cmd, &ch))
|
|
return 0;
|
|
edit_execute_key_command (e, cmd, ch);
|
|
edit_update_screen (e);
|
|
}
|
|
return 1;
|
|
case WIDGET_COMMAND:
|
|
edit_execute_key_command (e, par, -1);
|
|
edit_update_screen (e);
|
|
return 1;
|
|
case WIDGET_CURSOR:
|
|
widget_move (&e->widget, e->curs_row + EDIT_TEXT_VERTICAL_OFFSET, e->curs_col + e->start_col);
|
|
return 1;
|
|
}
|
|
return default_proc (h, msg, par);
|
|
}
|
|
|
|
#endif
|