mirror of
https://github.com/MidnightCommander/mc
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863 lines
24 KiB
C
863 lines
24 KiB
C
/* editor text drawing.
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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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$Id$
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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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#define MAX_LINE_LEN 1024
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#if ! defined (MIDNIGHT) && ! defined (GTK)
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#include "app_glob.c"
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#include "coollocal.h"
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#include "mad.h"
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#endif
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#ifdef HAVE_CHARSET
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#include "../src/charsets.h"
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#endif
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extern int column_highlighting;
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#if defined (MIDNIGHT) || defined (GTK)
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static void status_string (WEdit * edit, char *s, int w, int fill, int font_width)
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{
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char byte_str[16];
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/*
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* If we are at the end of file, print <EOF>,
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* otherwise print the current character as is (if printable),
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* as decimal and as hex.
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*/
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if (edit->curs1 < edit->last_byte) {
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unsigned char cur_byte = edit_get_byte (edit, edit->curs1);
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g_snprintf (byte_str, sizeof(byte_str), "%c %3d 0x%02X",
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is_printable(cur_byte) ? cur_byte : '.',
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cur_byte,
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cur_byte);
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} else {
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strcpy(byte_str, "<EOF>");
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}
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/* The field lengths just prevent the status line from shortening too much */
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g_snprintf (s, w,
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"[%c%c%c%c] %2ld L:[%3ld+%2ld %3ld/%3ld] *(%-4ld/%4ldb)= %s",
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edit->mark1 != edit->mark2 ? ( column_highlighting ? 'C' : 'B') : '-',
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edit->modified ? 'M' : '-',
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edit->macro_i < 0 ? '-' : 'R',
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edit->overwrite == 0 ? '-' : 'O',
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edit->curs_col / font_width,
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edit->start_line + 1,
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edit->curs_row,
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edit->curs_line + 1,
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edit->total_lines + 1,
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edit->curs1,
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edit->last_byte,
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byte_str);
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}
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#endif /* MIDNIGHT || GTK */
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#ifdef MIDNIGHT
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/* how to get as much onto the status line as is numerically possible :) */
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void edit_status (WEdit * edit)
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{
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int w, i, t;
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char *s;
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w = edit->widget.cols - (edit->have_frame * 2);
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s = malloc (w + 15);
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if (w < 4)
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w = 4;
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memset (s, ' ', w);
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attrset (SELECTED_COLOR);
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if (w > 4) {
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widget_move (edit, edit->have_frame, edit->have_frame);
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i = w > 24 ? 18 : w - 6;
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i = i < 13 ? 13 : i;
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strcpy (s, (char *) name_trunc (edit->filename ? edit->filename : "", i));
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i = strlen (s);
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s[i] = ' ';
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t = w - 20;
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if (t < 0)
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t = 0;
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status_string (edit, s + 20, t, ' ', 1);
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}
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s[w] = 0;
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printw ("%-*s", w, s);
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attrset (NORMAL_COLOR);
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free (s);
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}
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#else
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void render_status (CWidget * wdt, int expose);
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#ifdef GTK
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void edit_status (WEdit *edit)
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{
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GtkEntry *entry;
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int w, i, t;
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char s[160];
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w = edit->num_widget_columns - 1;
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if (w > 150)
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w = 150;
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if (w < 0)
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w = 0;
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memset (s, 0, w);
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if (w > 1) {
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i = w > 24 ? 18 : w - 6;
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i = i < 13 ? 13 : i;
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strcpy (s, (char *) name_trunc (edit->filename ? edit->filename : "", i));
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i = strlen (s);
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s[i] = ' ';
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s[i + 1] = ' ';
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t = w - i - 2;
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if (t < 0)
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t = 0;
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status_string (edit, s + i + 2, t, 0, FONT_MEAN_WIDTH);
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}
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s[w] = 0;
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entry = GTK_ENTRY (edit->widget->status);
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if (strcmp (s, gtk_entry_get_text (entry)))
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gtk_entry_set_text (entry, s);
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}
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#else
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void edit_status (WEdit * edit)
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{
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long start_mark, end_mark;
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CWidget *wdt;
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mode_t m;
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char *p;
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char id[33];
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char s[256];
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if (eval_marks (edit, &start_mark, &end_mark))
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end_mark = start_mark = 0;
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if ((COptionsOf (edit->widget) & EDITOR_NO_TEXT))
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return;
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CPushFont ("editor", 0);
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m = edit->stat.st_mode;
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p = edit->filename ? edit->filename : "";
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sprintf (s, "\034%c%s\033\035 \034-%c%c%c%c%c%c%c%c%c\035 \034%s%s%s%c\035 \034\030%02ld\033\035 \034%-4ld+%2ld=\030%4ld\033/%3ld\035 \034*%-5ld/%5ldb=%c%3d\035%c \034\001%ld\033\035",
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*p ? '\033' : '\003', *p ? (char *) name_trunc (p, max (edit->num_widget_lines / 3, 16)) : _ ("<unnamed>"),
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m & S_IRUSR ? 'r' : '-',
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m & S_IWUSR ? 'w' : '-',
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m & S_IXUSR ? 'x' : '-',
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m & S_IRGRP ? 'r' : '-',
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m & S_IWGRP ? 'w' : '-',
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m & S_IXGRP ? 'x' : '-',
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m & S_IROTH ? 'r' : '-',
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m & S_IWOTH ? 'w' : '-',
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m & S_IXOTH ? 'x' : '-',
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end_mark - start_mark || (edit->mark2 == -1 && !edit->highlight) ? (column_highlighting ? "\032C\033" : "\001B\033") : "-",
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edit->modified ? "\012M\033" : "-", edit->macro_i < 0 ? "-" : "\023R\033",
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edit->overwrite == 0 ? '-' : 'O',
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edit->curs_col / FONT_MEAN_WIDTH, edit->start_line + 1, edit->curs_row,
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edit->curs_line + 1, edit->total_lines + 1, edit->curs1,
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edit->last_byte, edit->curs1 == edit->last_byte ? '\014' : '\033', edit->curs1 < edit->last_byte
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? edit_get_byte (edit, edit->curs1) : -1,
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end_mark - start_mark && !column_highlighting ? ' ' : '\0',
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end_mark - start_mark);
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strcpy (id, CIdentOf (edit->widget));
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strcat (id, ".text");
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wdt = CIdent (id);
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free (wdt->text);
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wdt->text = (char *) strdup (s);
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CSetWidgetSize (id, CWidthOf (edit->widget), CHeightOf (wdt));
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render_status (wdt, 0);
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CPopFont ();
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}
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#endif /* GTK */
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#endif /* !MIDNIGHT */
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/* result is boolean */
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int cursor_in_screen (WEdit * edit, long row)
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{
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if (row < 0 || row >= edit->num_widget_lines)
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return 0;
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else
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return 1;
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}
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/* returns rows from the first displayed line to the cursor */
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int cursor_from_display_top (WEdit * edit)
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{
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if (edit->curs1 < edit->start_display)
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return -edit_move_forward (edit, edit->curs1, 0, edit->start_display);
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else
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return edit_move_forward (edit, edit->start_display, 0, edit->curs1);
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}
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/* returns how far the cursor is out of the screen */
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int cursor_out_of_screen (WEdit * edit)
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{
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int row = cursor_from_display_top (edit);
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if (row >= edit->num_widget_lines)
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return row - edit->num_widget_lines + 1;
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if (row < 0)
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return row;
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return 0;
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}
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#ifndef MIDNIGHT
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int edit_width_of_long_printable (int c);
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#endif
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/* this scrolls the text so that cursor is on the screen */
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void edit_scroll_screen_over_cursor (WEdit * edit)
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{
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int p;
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int outby;
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int b_extreme, t_extreme, l_extreme, r_extreme;
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r_extreme = EDIT_RIGHT_EXTREME;
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l_extreme = EDIT_LEFT_EXTREME;
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b_extreme = EDIT_BOTTOM_EXTREME;
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t_extreme = EDIT_TOP_EXTREME;
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if (edit->found_len) {
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b_extreme = max (edit->num_widget_lines / 4, b_extreme);
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t_extreme = max (edit->num_widget_lines / 4, t_extreme);
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}
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if (b_extreme + t_extreme + 1 > edit->num_widget_lines) {
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int n;
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n = b_extreme + t_extreme;
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b_extreme = (b_extreme * (edit->num_widget_lines - 1)) / n;
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t_extreme = (t_extreme * (edit->num_widget_lines - 1)) / n;
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}
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if (l_extreme + r_extreme + 1 > edit->num_widget_columns) {
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int n;
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n = l_extreme + t_extreme;
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l_extreme = (l_extreme * (edit->num_widget_columns - 1)) / n;
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r_extreme = (r_extreme * (edit->num_widget_columns - 1)) / n;
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}
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p = edit_get_col (edit);
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edit_update_curs_row (edit);
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#ifdef MIDNIGHT
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outby = p + edit->start_col - edit->num_widget_columns + 1 + (r_extreme + edit->found_len);
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#else
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outby = p + edit->start_col - CWidthOf (edit->widget) + 7 + (r_extreme + edit->found_len) * FONT_MEAN_WIDTH + edit_width_of_long_printable (edit_get_byte (edit, edit->curs1));
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#endif
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if (outby > 0)
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edit_scroll_right (edit, outby);
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#ifdef MIDNIGHT
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outby = l_extreme - p - edit->start_col;
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#else
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outby = l_extreme * FONT_MEAN_WIDTH - p - edit->start_col;
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#endif
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if (outby > 0)
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edit_scroll_left (edit, outby);
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p = edit->curs_row;
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outby = p - edit->num_widget_lines + 1 + b_extreme;
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if (outby > 0)
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edit_scroll_downward (edit, outby);
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outby = t_extreme - p;
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if (outby > 0)
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edit_scroll_upward (edit, outby);
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edit_update_curs_row (edit);
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}
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#ifndef MIDNIGHT
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#define CACHE_WIDTH 256
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#define CACHE_HEIGHT 128
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int EditExposeRedraw = 0;
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int EditClear = 0;
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/*
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* background colors: marked is refers to mouse highlighting,
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* highlighted refers to a found string.
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*/
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unsigned long edit_abnormal_color, edit_marked_abnormal_color;
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unsigned long edit_highlighted_color, edit_marked_color;
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unsigned long edit_normal_background_color;
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/* foreground colors */
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unsigned long edit_normal_foreground_color, edit_bold_color;
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unsigned long edit_italic_color;
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/* cursor color */
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unsigned long edit_cursor_color;
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void edit_set_foreground_colors (unsigned long normal, unsigned long bold, unsigned long italic)
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{
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edit_normal_foreground_color = normal;
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edit_bold_color = bold;
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edit_italic_color = italic;
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}
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void edit_set_background_colors (unsigned long normal, unsigned long abnormal, unsigned long marked, unsigned long marked_abnormal, unsigned long highlighted)
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{
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edit_abnormal_color = abnormal;
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edit_marked_abnormal_color = marked_abnormal;
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edit_marked_color = marked;
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edit_highlighted_color = highlighted;
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edit_normal_background_color = normal;
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}
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void edit_set_cursor_color (unsigned long c)
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{
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edit_cursor_color = c;
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}
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#else
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#define set_color(font) attrset (font)
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#define edit_move(x,y) widget_move(edit, y, x);
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static void print_to_widget (WEdit * edit, long row, int start_col, float start_col_real, long end_col, unsigned int line[])
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{
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int x = (float) start_col_real + EDIT_TEXT_HORIZONTAL_OFFSET;
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int x1 = start_col + EDIT_TEXT_HORIZONTAL_OFFSET;
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int y = row + EDIT_TEXT_VERTICAL_OFFSET;
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set_color (EDITOR_NORMAL_COLOR);
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edit_move (x1, y);
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hline (' ', end_col + 1 - EDIT_TEXT_HORIZONTAL_OFFSET - x1);
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edit_move (x + FONT_OFFSET_X, y + FONT_OFFSET_Y);
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{
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unsigned int *p = line;
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int textchar = ' ';
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long style;
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while (*p) {
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style = *p >> 8;
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textchar = *p & 0xFF;
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#ifdef HAVE_SYNTAXH
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if (!(style & (0xFF - MOD_ABNORMAL - MOD_CURSOR)))
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SLsmg_set_color ((*p & 0x007F0000) >> 16);
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#endif
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if (style & MOD_ABNORMAL)
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textchar = '.';
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if (style & MOD_HIGHLIGHTED) {
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set_color (EDITOR_BOLD_COLOR);
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} else if (style & MOD_MARKED) {
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set_color (EDITOR_MARKED_COLOR);
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}
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if (style & MOD_UNDERLINED) {
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set_color (EDITOR_UNDERLINED_COLOR);
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}
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if (style & MOD_BOLD) {
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set_color (EDITOR_BOLD_COLOR);
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}
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addch (textchar);
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p++;
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}
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}
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}
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/* b is a pointer to the beginning of the line */
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static void edit_draw_this_line (WEdit * edit, long b, long row, long start_col, long end_col)
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{
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static unsigned int line[MAX_LINE_LEN];
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unsigned int *p = line;
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long m1 = 0, m2 = 0, q, c1, c2;
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int col, start_col_real;
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unsigned int c;
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int fg, bg;
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int i, book_mark = -1;
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#if 0
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if (!book_mark_query (edit, edit->start_line + row, &book_mark))
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book_mark = -1;
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#endif
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edit_get_syntax_color (edit, b - 1, &fg, &bg);
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q = edit_move_forward3 (edit, b, start_col - edit->start_col, 0);
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start_col_real = (col = (int) edit_move_forward3 (edit, b, 0, q)) + edit->start_col;
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c1 = min (edit->column1, edit->column2);
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c2 = max (edit->column1, edit->column2);
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if (col + 16 > -edit->start_col) {
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eval_marks (edit, &m1, &m2);
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if (row <= edit->total_lines - edit->start_line) {
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while (col <= end_col - edit->start_col) {
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*p = 0;
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if (q == edit->curs1)
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*p |= MOD_CURSOR * 256;
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if (q >= m1 && q < m2) {
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if (column_highlighting) {
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int x;
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x = edit_move_forward3 (edit, b, 0, q);
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if (x >= c1 && x < c2)
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*p |= MOD_MARKED * 256;
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} else
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*p |= MOD_MARKED * 256;
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}
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if (q == edit->bracket)
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*p |= MOD_BOLD * 256;
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if (q >= edit->found_start && q < edit->found_start + edit->found_len)
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*p |= MOD_HIGHLIGHTED * 256;
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c = edit_get_byte (edit, q);
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/* we don't use bg for mc - fg contains both */
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if (book_mark == -1) {
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edit_get_syntax_color (edit, q, &fg, &bg);
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*p |= fg << 16;
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} else {
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*p |= book_mark << 16;
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}
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q++;
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switch (c) {
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case '\n':
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col = end_col - edit->start_col + 1; /* quit */
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*(p++) |= ' ';
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break;
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case '\t':
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i = TAB_SIZE - ((int) col % TAB_SIZE);
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*p |= ' ';
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c = *(p++) & (0xFFFFFFFF - MOD_CURSOR * 256);
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col += i;
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while (--i)
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*(p++) = c;
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break;
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case '\r':
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break;
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default:
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#ifdef HAVE_CHARSET
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if (c >= 0 && c <= 255)
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c = conv_displ[ c ];
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#endif
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if (is_printable (c)) {
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*(p++) |= c;
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} else {
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*(p++) = '.';
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*p |= (256 * MOD_ABNORMAL);
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}
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col++;
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break;
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}
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}
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}
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} else {
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start_col_real = start_col = 0;
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}
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*p = 0;
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print_to_widget (edit, row, start_col, start_col_real, end_col, line);
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}
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#endif
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#ifdef MIDNIGHT
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#define key_pending(x) (!is_idle())
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#else
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#define edit_draw_this_line edit_draw_this_line_proportional
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int option_smooth_scrolling = 0;
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static int key_pending (WEdit * edit)
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{
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#ifdef GTK
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/* ******* */
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#else
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static int flush = 0, line = 0;
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if (!edit) {
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flush = line = 0;
|
|
} else if (!(edit->force & REDRAW_COMPLETELY) && !EditExposeRedraw && !option_smooth_scrolling) {
|
|
/* this flushes the display in logarithmic intervals - so both fast and
|
|
slow machines will get good performance vs nice-refreshing */
|
|
if ((1 << flush) == ++line) {
|
|
flush++;
|
|
return CKeyPending ();
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
static void edit_draw_this_char (WEdit * edit, long curs, long row)
|
|
{
|
|
int b = edit_bol (edit, curs);
|
|
#ifdef MIDNIGHT
|
|
edit_draw_this_line (edit, b, row, 0, edit->num_widget_columns - 1);
|
|
#else
|
|
edit_draw_this_line (edit, b, row, 0, CWidthOf (edit->widget));
|
|
#endif
|
|
}
|
|
|
|
/* cursor must be in screen for other than REDRAW_PAGE passed in force */
|
|
void render_edit_text (WEdit * edit, long start_row, long start_column, long end_row,
|
|
long end_column)
|
|
{
|
|
long row = 0, curs_row;
|
|
static int prev_curs_row = 0;
|
|
static int prev_start_col = 0;
|
|
static long prev_curs = 0;
|
|
static long prev_start = -1;
|
|
|
|
#ifndef MIDNIGHT
|
|
static unsigned long prev_win = 0;
|
|
#endif
|
|
|
|
int force = edit->force;
|
|
long b;
|
|
|
|
CPushFont ("editor", 0);
|
|
|
|
#ifndef MIDNIGHT
|
|
key_pending (0);
|
|
#endif
|
|
|
|
/*
|
|
* If the position of the page has not moved then we can draw the cursor
|
|
* character only. This will prevent line flicker when using arrow keys.
|
|
*/
|
|
if ((!(force & REDRAW_CHAR_ONLY)) || (force & REDRAW_PAGE)
|
|
#ifndef MIDNIGHT
|
|
#ifdef GTK
|
|
|| prev_win != ((GdkWindowPrivate *) CWindowOf (edit->widget)->text_area)->xwindow
|
|
#else
|
|
|| prev_win != CWindowOf (edit->widget)
|
|
#endif
|
|
#endif
|
|
) {
|
|
#if !defined(MIDNIGHT) && !defined(GTK)
|
|
int time_division = 5;
|
|
#if 0
|
|
if (CPending ())
|
|
time_division--;
|
|
#endif
|
|
if (prev_start < 0)
|
|
prev_start = edit->start_line;
|
|
if (option_smooth_scrolling && prev_win == CWindowOf (edit->widget) && !edit->screen_modified) {
|
|
int i, t;
|
|
int pos1, pos2;
|
|
i = edit->start_line - prev_start;
|
|
if (i <= time_division && i > 0) {
|
|
edit_draw_proportional (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
for (pos2 = 0, t = 0; t < time_division; t++) {
|
|
int move;
|
|
pos1 = FONT_PIX_PER_LINE * i * (t + 1) / time_division;
|
|
move = pos1 - pos2;
|
|
pos2 += move;
|
|
XCopyArea (CDisplay, edit->widget->winid, edit->widget->winid, CGC,
|
|
EDIT_TEXT_HORIZONTAL_OFFSET,
|
|
EDIT_TEXT_VERTICAL_OFFSET + move,
|
|
edit->widget->width - EDIT_FRAME_W,
|
|
edit->widget->height - EDIT_FRAME_H - move,
|
|
EDIT_TEXT_HORIZONTAL_OFFSET, EDIT_TEXT_VERTICAL_OFFSET);
|
|
XClearArea (CDisplay, edit->widget->winid, EDIT_TEXT_HORIZONTAL_OFFSET,
|
|
edit->widget->height - EDIT_FRAME_H +
|
|
EDIT_TEXT_VERTICAL_OFFSET - move,
|
|
edit->widget->width - EDIT_FRAME_W, move, 0);
|
|
XFlush (CDisplay);
|
|
pause ();
|
|
}
|
|
} else if (i >= -time_division && i < 0) {
|
|
edit_draw_proportional (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
i = -i;
|
|
for (pos2 = 0, t = 0; t < time_division; t++) {
|
|
int move;
|
|
pos1 = FONT_PIX_PER_LINE * i * (t + 1) / time_division;
|
|
move = pos1 - pos2;
|
|
pos2 += move;
|
|
XCopyArea (CDisplay, edit->widget->winid, edit->widget->winid, CGC,
|
|
EDIT_TEXT_HORIZONTAL_OFFSET, EDIT_TEXT_VERTICAL_OFFSET,
|
|
edit->widget->width - EDIT_FRAME_W,
|
|
edit->widget->height - EDIT_FRAME_H -
|
|
move, EDIT_TEXT_HORIZONTAL_OFFSET, EDIT_TEXT_VERTICAL_OFFSET + move);
|
|
XClearArea (CDisplay, edit->widget->winid, EDIT_TEXT_HORIZONTAL_OFFSET,
|
|
EDIT_TEXT_VERTICAL_OFFSET,
|
|
edit->widget->width - EDIT_FRAME_W, move, 0);
|
|
XFlush (CDisplay);
|
|
pause ();
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
if (!(force & REDRAW_IN_BOUNDS)) { /* !REDRAW_IN_BOUNDS means to ignore bounds and redraw whole rows */
|
|
start_row = 0;
|
|
end_row = edit->num_widget_lines - 1;
|
|
start_column = 0;
|
|
#ifdef MIDNIGHT
|
|
end_column = edit->num_widget_columns - 1;
|
|
#else
|
|
end_column = CWidthOf (edit->widget);
|
|
#endif
|
|
}
|
|
if (force & REDRAW_PAGE) {
|
|
row = start_row;
|
|
b = edit_move_forward (edit, edit->start_display, start_row, 0);
|
|
while (row <= end_row) {
|
|
if (key_pending (edit))
|
|
goto exit_render;
|
|
edit_draw_this_line (edit, b, row, start_column, end_column);
|
|
b = edit_move_forward (edit, b, 1, 0);
|
|
row++;
|
|
}
|
|
} else {
|
|
curs_row = edit->curs_row;
|
|
|
|
if (force & REDRAW_BEFORE_CURSOR) {
|
|
if (start_row < curs_row) {
|
|
long upto = curs_row - 1 <= end_row ? curs_row - 1 : end_row;
|
|
row = start_row;
|
|
b = edit->start_display;
|
|
while (row <= upto) {
|
|
if (key_pending (edit))
|
|
goto exit_render;
|
|
edit_draw_this_line (edit, b, row, start_column, end_column);
|
|
b = edit_move_forward (edit, b, 1, 0);
|
|
}
|
|
}
|
|
}
|
|
/* if (force & REDRAW_LINE) ---> default */
|
|
b = edit_bol (edit, edit->curs1);
|
|
if (curs_row >= start_row && curs_row <= end_row) {
|
|
if (key_pending (edit))
|
|
goto exit_render;
|
|
edit_draw_this_line (edit, b, curs_row, start_column, end_column);
|
|
}
|
|
if (force & REDRAW_AFTER_CURSOR) {
|
|
if (end_row > curs_row) {
|
|
row = curs_row + 1 < start_row ? start_row : curs_row + 1;
|
|
b = edit_move_forward (edit, b, 1, 0);
|
|
while (row <= end_row) {
|
|
if (key_pending (edit))
|
|
goto exit_render;
|
|
edit_draw_this_line (edit, b, row, start_column, end_column);
|
|
b = edit_move_forward (edit, b, 1, 0);
|
|
row++;
|
|
}
|
|
}
|
|
}
|
|
if (force & REDRAW_LINE_ABOVE && curs_row >= 1) {
|
|
row = curs_row - 1;
|
|
b = edit_move_backward (edit, edit_bol (edit, edit->curs1), 1);
|
|
if (row >= start_row && row <= end_row) {
|
|
if (key_pending (edit))
|
|
goto exit_render;
|
|
edit_draw_this_line (edit, b, row, start_column, end_column);
|
|
}
|
|
}
|
|
if (force & REDRAW_LINE_BELOW && row < edit->num_widget_lines - 1) {
|
|
row = curs_row + 1;
|
|
b = edit_bol (edit, edit->curs1);
|
|
b = edit_move_forward (edit, b, 1, 0);
|
|
if (row >= start_row && row <= end_row) {
|
|
if (key_pending (edit))
|
|
goto exit_render;
|
|
edit_draw_this_line (edit, b, row, start_column, end_column);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (prev_curs_row < edit->curs_row) { /* with the new text highlighting, we must draw from the top down */
|
|
edit_draw_this_char (edit, prev_curs, prev_curs_row);
|
|
edit_draw_this_char (edit, edit->curs1, edit->curs_row);
|
|
} else {
|
|
edit_draw_this_char (edit, edit->curs1, edit->curs_row);
|
|
edit_draw_this_char (edit, prev_curs, prev_curs_row);
|
|
}
|
|
}
|
|
|
|
edit->force = 0;
|
|
|
|
prev_curs_row = edit->curs_row;
|
|
prev_curs = edit->curs1;
|
|
prev_start_col = edit->start_col;
|
|
#ifndef MIDNIGHT
|
|
#ifdef GTK
|
|
prev_win = ((GdkWindowPrivate *) CWindowOf (edit->widget)->text_area)->xwindow;
|
|
#else
|
|
prev_win = CWindowOf (edit->widget);
|
|
#endif
|
|
#endif
|
|
exit_render:
|
|
edit->screen_modified = 0;
|
|
prev_start = edit->start_line;
|
|
CPopFont ();
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
#ifndef MIDNIGHT
|
|
|
|
void edit_convert_expose_to_area (XExposeEvent * xexpose, int *row1, int *col1, int *row2, int *col2)
|
|
{
|
|
*col1 = xexpose->x - EDIT_TEXT_HORIZONTAL_OFFSET;
|
|
*row1 = (xexpose->y - EDIT_TEXT_VERTICAL_OFFSET) / FONT_PIX_PER_LINE;
|
|
*col2 = xexpose->x + xexpose->width + EDIT_TEXT_HORIZONTAL_OFFSET + 3;
|
|
*row2 = (xexpose->y + xexpose->height - EDIT_TEXT_VERTICAL_OFFSET) / FONT_PIX_PER_LINE;
|
|
}
|
|
|
|
#ifdef GTK
|
|
|
|
void edit_render_tidbits (GtkEdit * edit)
|
|
{
|
|
gtk_widget_draw_focus (GTK_WIDGET (edit));
|
|
}
|
|
|
|
#else
|
|
|
|
void edit_render_tidbits (CWidget * wdt)
|
|
{
|
|
int isfocussed;
|
|
int w = wdt->width, h = wdt->height;
|
|
Window win;
|
|
|
|
win = wdt->winid;
|
|
isfocussed = (win == CGetFocus ());
|
|
CSetColor (COLOR_FLAT);
|
|
#ifdef NEXT_LOOK
|
|
render_bevel (win, 0, 0, w - 1, h - 1, 1, 1); /*most outer border bevel */
|
|
#else
|
|
if (isfocussed) {
|
|
render_bevel (win, 0, 0, w - 1, h - 1, 3, 1); /*most outer border bevel */
|
|
} else {
|
|
render_bevel (win, 2, 2, w - 3, h - 3, 1, 1); /*border bevel */
|
|
render_bevel (win, 0, 0, w - 1, h - 1, 2, 0); /*most outer border bevel */
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#endif
|
|
|
|
void edit_set_space_width (int s);
|
|
extern int option_long_whitespace;
|
|
|
|
#endif
|
|
|
|
void edit_render (WEdit * edit, int page, int row_start, int col_start, int row_end, int col_end)
|
|
{
|
|
int f = 0;
|
|
#ifdef GTK
|
|
GtkEdit *win;
|
|
#endif
|
|
if (page) /* if it was an expose event, 'page' would be set */
|
|
edit->force |= REDRAW_PAGE | REDRAW_IN_BOUNDS;
|
|
f = edit->force & (REDRAW_PAGE | REDRAW_COMPLETELY);
|
|
|
|
#ifdef MIDNIGHT
|
|
if (edit->force & REDRAW_COMPLETELY)
|
|
redraw_labels (edit->widget.parent, (Widget *) edit);
|
|
#else
|
|
if (option_long_whitespace)
|
|
edit_set_space_width (FONT_PER_CHAR[' '] * 2);
|
|
else
|
|
edit_set_space_width (FONT_PER_CHAR[' ']);
|
|
#ifdef GTK
|
|
win = (GtkEdit *) edit->widget;
|
|
#endif
|
|
edit_set_foreground_colors (
|
|
color_palette (option_editor_fg_normal),
|
|
color_palette (option_editor_fg_bold),
|
|
color_palette (option_editor_fg_italic)
|
|
);
|
|
edit_set_background_colors (
|
|
color_palette (option_editor_bg_normal),
|
|
color_palette (option_editor_bg_abnormal),
|
|
color_palette (option_editor_bg_marked),
|
|
color_palette (option_editor_bg_marked_abnormal),
|
|
color_palette (option_editor_bg_highlighted)
|
|
);
|
|
edit_set_cursor_color (
|
|
color_palette (option_editor_fg_cursor)
|
|
);
|
|
|
|
#ifdef GTK
|
|
/* *********** */
|
|
#else
|
|
if (!EditExposeRedraw)
|
|
set_cursor_position (0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
#endif
|
|
#endif
|
|
render_edit_text (edit, row_start, col_start, row_end, col_end);
|
|
/*
|
|
* edit->force != 0 means a key was pending and the redraw
|
|
* was halted, so next time we must redraw everything in case stuff
|
|
* was left undrawn from a previous key press.
|
|
*/
|
|
if (edit->force)
|
|
edit->force |= REDRAW_PAGE;
|
|
#ifndef MIDNIGHT
|
|
if (f) {
|
|
edit_render_tidbits (edit->widget);
|
|
#ifdef GTK
|
|
/* ***************** */
|
|
#else
|
|
#ifndef NEXT_LOOK
|
|
CSetColor (edit_normal_background_color);
|
|
CLine (CWindowOf (edit->widget), 3, 3, 3, CHeightOf (edit->widget) - 4);
|
|
#endif
|
|
#endif
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#ifndef MIDNIGHT
|
|
void edit_render_expose (WEdit * edit, XExposeEvent * xexpose)
|
|
{
|
|
int row_start, col_start, row_end, col_end;
|
|
CPushFont ("editor", 0);
|
|
EditExposeRedraw = 1;
|
|
edit->num_widget_lines = (CHeightOf (edit->widget) - EDIT_FRAME_H) / FONT_PIX_PER_LINE;
|
|
edit->num_widget_columns = (CWidthOf (edit->widget) - EDIT_FRAME_W) / FONT_MEAN_WIDTH;
|
|
if (edit->force & (REDRAW_PAGE | REDRAW_COMPLETELY)) {
|
|
edit->force |= REDRAW_PAGE | REDRAW_COMPLETELY;
|
|
edit_render_keypress (edit);
|
|
} else {
|
|
edit_convert_expose_to_area (xexpose, &row_start, &col_start, &row_end, &col_end);
|
|
edit_render (edit, 1, row_start, col_start, row_end, col_end);
|
|
}
|
|
CPopFont ();
|
|
EditExposeRedraw = 0;
|
|
}
|
|
|
|
void edit_render_keypress (WEdit * edit)
|
|
{
|
|
CPushFont ("editor", 0);
|
|
edit_render (edit, 0, 0, 0, 0, 0);
|
|
CPopFont ();
|
|
}
|
|
|
|
#else
|
|
|
|
void edit_render_keypress (WEdit * edit)
|
|
{
|
|
edit_render (edit, 0, 0, 0, 0, 0);
|
|
}
|
|
|
|
#endif
|