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634 lines
19 KiB
C
634 lines
19 KiB
C
#ifndef __EDIT_H
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#define __EDIT_H
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#ifdef MIDNIGHT
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#ifdef HAVE_SLANG
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#define HAVE_SYNTAXH 1
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#endif
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# include <stdio.h>
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# include <stdarg.h>
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# include <sys/types.h>
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# ifdef HAVE_UNISTD_H
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# include <unistd.h>
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# endif
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# include <string.h>
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# include "../src/tty.h"
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# include <sys/stat.h>
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# include <errno.h>
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# ifdef HAVE_FCNTL_H
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# include <fcntl.h>
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# endif
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# include <stdlib.h>
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# include <malloc.h>
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#else /* ! MIDNIGHT */
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# include "global.h"
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# include <stdio.h>
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# include <stdarg.h>
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# include <sys/types.h>
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# ifdef HAVE_UNISTD_H
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# include <unistd.h>
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# endif
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# include <my_string.h>
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# include <sys/stat.h>
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# ifdef HAVE_FCNTL_H
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# include <fcntl.h>
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# endif
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# include <stdlib.h>
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# include <stdarg.h>
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# if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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# else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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# endif
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# include "regex.h"
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#endif
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#ifndef MIDNIGHT
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# include <signal.h>
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# include <X11/Xlib.h>
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# include <X11/Xutil.h>
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# include <X11/Xresource.h>
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# include "lkeysym.h"
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# include "coolwidget.h"
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# include "app_glob.c"
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# include "coollocal.h"
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# include "stringtools.h"
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#else
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# include "../src/main.h" /* for char *shell */
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# include "../src/mad.h"
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# include "../src/dlg.h"
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# include "../src/widget.h"
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# include "../src/color.h"
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# include "../src/dialog.h"
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# include "../src/mouse.h"
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# include "../src/global.h"
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# include "../src/help.h"
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# include "../src/key.h"
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# include "../src/wtools.h" /* for QuickWidgets */
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# include "../src/win.h"
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# include "../vfs/vfs.h"
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# include "../src/menu.h"
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# include "../src/regex.h"
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# define WANT_WIDGETS
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# define WIDGET_COMMAND (WIDGET_USER + 10)
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# define N_menus 5
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#endif
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#define SEARCH_DIALOG_OPTION_NO_SCANF 1
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#define SEARCH_DIALOG_OPTION_NO_REGEX 2
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#define SEARCH_DIALOG_OPTION_NO_CASE 4
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#define SEARCH_DIALOG_OPTION_BACKWARDS 8
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#define SYNTAX_FILE "/.cedit/syntax"
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#define CLIP_FILE "/.cedit/cooledit.clip"
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#define MACRO_FILE "/.cedit/cooledit.macros"
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#define BLOCK_FILE "/.cedit/cooledit.block"
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#define ERROR_FILE "/.cedit/cooledit.error"
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#define TEMP_FILE "/.cedit/cooledit.temp"
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#define SCRIPT_FILE "/.cedit/cooledit.script"
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#define EDIT_DIR "/.cedit"
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#define EDIT_KEY_EMULATION_NORMAL 0
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#define EDIT_KEY_EMULATION_EMACS 1
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#define REDRAW_LINE (1 << 0)
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#define REDRAW_LINE_ABOVE (1 << 1)
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#define REDRAW_LINE_BELOW (1 << 2)
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#define REDRAW_AFTER_CURSOR (1 << 3)
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#define REDRAW_BEFORE_CURSOR (1 << 4)
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#define REDRAW_PAGE (1 << 5)
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#define REDRAW_IN_BOUNDS (1 << 6)
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#define REDRAW_CHAR_ONLY (1 << 7)
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#define REDRAW_COMPLETELY (1 << 8)
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#define MOD_ABNORMAL (1 << 0)
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#define MOD_UNDERLINED (1 << 1)
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#define MOD_BOLD (1 << 2)
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#define MOD_HIGHLIGHTED (1 << 3)
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#define MOD_MARKED (1 << 4)
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#define MOD_ITALIC (1 << 5)
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#define MOD_CURSOR (1 << 6)
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#define MOD_INVERSE (1 << 7)
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#ifndef MIDNIGHT
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# define EDIT_TEXT_HORIZONTAL_OFFSET 4
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# define EDIT_TEXT_VERTICAL_OFFSET 3
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#else
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# define EDIT_TEXT_HORIZONTAL_OFFSET 0
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# define EDIT_TEXT_VERTICAL_OFFSET 1
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# define FONT_OFFSET_X 0
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# define FONT_OFFSET_Y 0
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#endif
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#define EDIT_RIGHT_EXTREME option_edit_right_extreme
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#define EDIT_LEFT_EXTREME option_edit_left_extreme
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#define EDIT_TOP_EXTREME option_edit_top_extreme
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#define EDIT_BOTTOM_EXTREME option_edit_bottom_extreme
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#define MAX_MACRO_LENGTH 1024
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/*there are a maximum of ... */
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#define MAXBUFF 1024
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/*... edit buffers, each of which is ... */
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#define EDIT_BUF_SIZE 16384
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/* ...bytes in size. */
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/*x / EDIT_BUF_SIZE equals x >> ... */
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#define S_EDIT_BUF_SIZE 14
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/* x % EDIT_BUF_SIZE is equal to x && ... */
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#define M_EDIT_BUF_SIZE 16383
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#define SIZE_LIMIT (EDIT_BUF_SIZE * (MAXBUFF - 2))
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/* Note a 16k stack is 64k of data and enough to hold (usually) around 10
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pages of undo info. */
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/* undo stack */
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#define START_STACK_SIZE 32
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/*some codes that may be pushed onto or returned from the undo stack: */
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#define CURS_LEFT 601
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#define CURS_RIGHT 602
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#define DELETE 603
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#define BACKSPACE 604
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#define STACK_BOTTOM 605
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#define CURS_LEFT_LOTS 606
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#define CURS_RIGHT_LOTS 607
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#define MARK_1 1000
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#define MARK_2 700000000
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#define KEY_PRESS 1400000000
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/*Tabs spaces: (sofar only HALF_TAB_SIZE is used: */
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#define TAB_SIZE option_tab_spacing
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#define HALF_TAB_SIZE ((int) option_tab_spacing / 2)
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struct macro {
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short command;
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short ch;
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};
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struct selection {
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unsigned char * text;
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int len;
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};
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#define RULE_CONTEXT 0x00FFF000UL
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#define RULE_CONTEXT_SHIFT 12
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#define RULE_WORD 0x00000FFFUL
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#define RULE_WORD_SHIFT 0
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#define RULE_ON_LEFT_BORDER 0x02000000UL
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#define RULE_ON_RIGHT_BORDER 0x01000000UL
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struct key_word {
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char *keyword;
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char first;
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char last;
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char *whole_word_chars_left;
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char *whole_word_chars_right;
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#define NO_COLOR ((unsigned long) -1);
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int line_start;
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int bg;
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int fg;
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};
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struct context_rule {
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int rule_number;
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char *left;
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char first_left;
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char last_left;
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char line_start_left;
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char *right;
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char first_right;
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char last_right;
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char line_start_right;
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int single_char;
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int between_delimiters;
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char *whole_word_chars_left;
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char *whole_word_chars_right;
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unsigned char *conflicts;
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char *keyword_first_chars;
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char *keyword_last_chars;
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/* first word is word[1] */
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struct key_word **keyword;
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};
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struct editor_widget {
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#ifdef MIDNIGHT
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Widget widget;
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#else
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struct cool_widget *widget;
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#endif
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#define from_here num_widget_lines
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int num_widget_lines;
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int num_widget_columns;
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#ifdef MIDNIGHT
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int have_frame;
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#else
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int stopped;
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#endif
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char *filename; /* Name of the file */
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char *dir; /* current directory */
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/* dynamic buffers and curser position for editor: */
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long curs1; /*position of the cursor from the beginning of the file. */
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long curs2; /*position from the end of the file */
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unsigned char *buffers1[MAXBUFF + 1]; /*all data up to curs1 */
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unsigned char *buffers2[MAXBUFF + 1]; /*all data from end of file down to curs2 */
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/* search variables */
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long search_start; /* First character to start searching from */
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int found_len; /* Length of found string or 0 if none was found */
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long found_start; /* the found word from a search - start position */
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/* display information */
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long last_byte; /* Last byte of file */
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long start_display; /* First char displayed */
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long start_col; /* First displayed column, negative */
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long max_column; /* The maximum cursor position ever reached used to calc hori scroll bar */
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long curs_row; /*row position of curser on the screen */
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long curs_col; /*column position on screen */
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int force; /* how much of the screen do we redraw? */
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unsigned char overwrite;
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unsigned char modified; /*has the file been changed?: 1 if char inserted or
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deleted at all since last load or save */
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#ifdef MIDNIGHT
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int delete_file; /* has the file been created in edit_load_file? Delete
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it at end of editing when it hasn't been modified
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or saved */
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#endif
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unsigned char highlight;
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long prev_col; /*recent column position of the curser - used when moving
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up or down past lines that are shorter than the current line */
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long curs_line; /*line number of the cursor. */
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long start_line; /*line nummber of the top of the page */
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/* file info */
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long total_lines; /*total lines in the file */
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long mark1; /*position of highlight start */
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long mark2; /*position of highlight end */
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int column1; /*position of column highlight start */
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int column2; /*position of column highlight end */
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long bracket; /*position of a matching bracket */
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/* undo stack and pointers */
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unsigned long stack_pointer;
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long *undo_stack;
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unsigned long stack_size;
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unsigned long stack_size_mask;
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unsigned long stack_bottom;
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struct stat stat;
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/* syntax higlighting */
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struct context_rule **rules;
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long last_get_rule;
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unsigned long rule;
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char *syntax_type; /* description of syntax highlighting type being used */
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int explicit_syntax; /* have we forced the syntax hi. type in spite of the filename? */
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int to_here; /* dummy marker */
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/* macro stuff */
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int macro_i; /* -1 if not recording index to macro[] otherwise */
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struct macro macro[MAX_MACRO_LENGTH];
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};
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typedef struct editor_widget WEdit;
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#ifndef MIDNIGHT
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void edit_render_expose (WEdit * edit, XExposeEvent * xexpose);
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void edit_render_tidbits (struct cool_widget *w);
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int eh_editor (CWidget * w, XEvent * xevent, CEvent * cwevent);
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void edit_draw_menus (Window parent, int x, int y);
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void edit_run_make (void);
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void edit_change_directory (void);
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int edit_man_page_cmd (WEdit * edit);
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void edit_search_replace_dialog (Window parent, int x, int y, char **search_text, char **replace_text, char **arg_order, char *heading, int option);
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void edit_search_dialog (WEdit * edit, char **search_text);
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long edit_find (long search_start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data);
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void edit_set_foreground_colors (unsigned long normal, unsigned long bold, unsigned long italic);
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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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void edit_set_cursor_color (unsigned long c);
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void draw_options_dialog (Window parent, int x, int y);
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void CRefreshEditor (WEdit * edit);
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void edit_set_user_command (void (*func) (WEdit *, int));
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void edit_draw_this_line_proportional (WEdit * edit, long b, int curs_row, int start_column, int end_column);
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unsigned char get_international_character (unsigned char key_press);
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void edit_set_user_key_function (int (*user_def_key_func) (unsigned int, unsigned int, KeySym keysym));
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#else
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int edit_drop_hotkey_menu (WEdit * e, int key);
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void edit_menu_cmd (WEdit * e);
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void edit_init_menu_emacs (void);
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void edit_init_menu_normal (void);
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void edit_done_menu (void);
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int edit_raw_key_query (char *heading, char *query, int cancel);
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char *strcasechr (const char *s, int c);
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int edit (const char *_file, int line);
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int edit_translate_key (WEdit * edit, unsigned int x_keycode, long x_key, int x_state, int *cmd, int *ch);
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#endif
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int edit_get_byte (WEdit * edit, long byte_index);
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char *edit_get_buffer_as_text (WEdit * edit);
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int edit_load_file (WEdit * edit, const char *filename, const char *text, unsigned long text_size);
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int edit_count_lines (WEdit * edit, long current, int upto);
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long edit_move_forward (WEdit * edit, long current, int lines, long upto);
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long edit_move_forward3 (WEdit * edit, long current, int cols, long upto);
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long edit_move_backward (WEdit * edit, long current, int lines);
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void edit_scroll_screen_over_cursor (WEdit * edit);
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void edit_render_keypress (WEdit * edit);
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void edit_scroll_upward (WEdit * edit, unsigned long i);
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void edit_scroll_downward (WEdit * edit, int i);
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void edit_scroll_right (WEdit * edit, int i);
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void edit_scroll_left (WEdit * edit, int i);
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int edit_get_col (WEdit * edit);
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long edit_bol (WEdit * edit, long current);
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long edit_eol (WEdit * edit, long current);
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void edit_update_curs_row (WEdit * edit);
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void edit_update_curs_col (WEdit * edit);
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void edit_block_copy_cmd (WEdit * edit);
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void edit_block_move_cmd (WEdit * edit);
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int edit_block_delete_cmd (WEdit * edit);
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int edit_delete (WEdit * edit);
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void edit_insert (WEdit * edit, int c);
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int edit_cursor_move (WEdit * edit, long increment);
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void edit_push_action (WEdit * edit, long c,...);
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void edit_push_key_press (WEdit * edit);
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void edit_insert_ahead (WEdit * edit, int c);
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int edit_save_file (WEdit * edit, const char *filename);
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int edit_save_cmd (WEdit * edit);
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int edit_save_confirm_cmd (WEdit * edit);
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int edit_save_as_cmd (WEdit * edit);
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WEdit *edit_init (WEdit * edit, int lines, int columns, const char *filename, const char *text, const char *dir, unsigned long text_size);
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int edit_clean (WEdit * edit);
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int edit_renew (WEdit * edit);
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int edit_new_cmd (WEdit * edit);
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int edit_reload (WEdit * edit, const char *filename, const char *text, const char *dir, unsigned long text_size);
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int edit_load_cmd (WEdit * edit);
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void edit_mark_cmd (WEdit * edit, int unmark);
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void edit_set_markers (WEdit * edit, long m1, long m2, int c1, int c2);
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void edit_push_markers (WEdit * edit);
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void edit_quit_cmd (WEdit * edit);
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void edit_replace_cmd (WEdit * edit, int again);
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void edit_search_cmd (WEdit * edit, int again);
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int edit_save_block_cmd (WEdit * edit);
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int edit_insert_file_cmd (WEdit * edit);
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int edit_insert_file (WEdit * edit, const char *filename);
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void edit_block_process_cmd (WEdit * edit, const char *shell_cmd, int block);
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char *catstrs (const char *first,...);
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void edit_refresh_cmd (WEdit * edit);
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void edit_date_cmd (WEdit * edit);
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void edit_goto_cmd (WEdit * edit);
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int eval_marks (WEdit * edit, long *start_mark, long *end_mark);
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void edit_status (WEdit * edit);
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int edit_execute_command (WEdit * edit, int command, int char_for_insertion);
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int edit_execute_key_command (WEdit * edit, int command, int char_for_insertion);
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void edit_update_screen (WEdit * edit);
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int edit_printf (WEdit * e, const char *fmt,...);
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int edit_print_string (WEdit * e, const char *s);
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void edit_move_to_line (WEdit * e, long line);
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void edit_move_display (WEdit * e, long line);
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void edit_word_wrap (WEdit * edit);
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unsigned char *edit_get_block (WEdit * edit, long start, long finish, int *l);
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int edit_sort_cmd (WEdit * edit);
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void edit_help_cmd (WEdit * edit);
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void edit_left_word_move (WEdit * edit);
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void edit_right_word_move (WEdit * edit);
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void edit_get_selection (WEdit * edit);
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int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n);
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int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k);
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void edit_delete_macro_cmd (WEdit * edit);
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int edit_copy_to_X_buf_cmd (WEdit * edit);
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int edit_cut_to_X_buf_cmd (WEdit * edit);
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void edit_paste_from_X_buf_cmd (WEdit * edit);
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void edit_paste_from_history (WEdit *edit);
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void edit_split_filename (WEdit * edit, char *name);
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#ifdef MIDNIGHT
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#define CWidget Widget
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#endif
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void edit_set_syntax_change_callback (void (*callback) (CWidget *));
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void edit_load_syntax (WEdit * edit, char **names, char *type);
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void edit_free_syntax_rules (WEdit * edit);
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void edit_get_syntax_color (WEdit * edit, long byte_index, int *fg, int *bg);
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#ifdef MIDNIGHT
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/* put OS2/NT/WIN95 defines here */
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# ifdef OS2_NT
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# define MY_O_TEXT O_TEXT
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# else
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# define MY_O_TEXT 0
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# endif
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# define FONT_PIX_PER_LINE 1
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# define FONT_MEAN_WIDTH 1
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# define get_sys_error(s) (s)
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# define open mc_open
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# define close(f) mc_close(f)
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# define read(f,b,c) mc_read(f,b,c)
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# define write(f,b,c) mc_write(f,b,c)
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# define stat(f,s) mc_stat(f,s)
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# define mkdir(s,m) mc_mkdir(s,m)
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# define itoa MY_itoa
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# define edit_get_load_file(d,f,h) input_dialog (h, _(" Enter file name: "), f)
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# define edit_get_save_file(d,f,h) input_dialog (h, _(" Enter file name: "), f)
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# define CMalloc(x) malloc(x)
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# define set_error_msg(s) edit_init_error_msg = strdup(s)
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# ifdef _EDIT_C
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# define edit_error_dialog(h,s) set_error_msg(s)
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char *edit_init_error_msg = NULL;
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# else /* ! _EDIT_C */
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# define edit_error_dialog(h,s) query_dialog (h, s, 0, 1, _("&Dismiss"))
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# define edit_message_dialog(h,s) query_dialog (h, s, 0, 1, _("&Ok"))
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extern char *edit_init_error_msg;
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# endif /* ! _EDIT_C */
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# define get_error_msg(s) edit_init_error_msg
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# define edit_query_dialog2(h,t,a,b) query_dialog(h,t,0,2,a,b)
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# define edit_query_dialog3(h,t,a,b,c) query_dialog(h,t,0,3,a,b,c)
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# define edit_query_dialog4(h,t,a,b,c,d) query_dialog(h,t,0,4,a,b,c,d)
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#else /* ! MIDNIGHT */
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# define MY_O_TEXT 0
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# define WIN_MESSAGES edit->widget->mainid, 20, 20
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# define edit_get_load_file(d,f,h) CGetLoadFile(WIN_MESSAGES,d,f,h)
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# define edit_get_save_file(d,f,h) CGetSaveFile(WIN_MESSAGES,d,f,h)
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# define edit_error_dialog(h,t) CErrorDialog(WIN_MESSAGES,h,"%s",t)
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# define edit_message_dialog(h,t) CMessageDialog(WIN_MESSAGES,0,h,"%s",t)
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# define edit_query_dialog2(h,t,a,b) CQueryDialog(WIN_MESSAGES,h,t,a,b,0)
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# define edit_query_dialog3(h,t,a,b,c) CQueryDialog(WIN_MESSAGES,h,t,a,b,c,0)
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# define edit_query_dialog4(h,t,a,b,c,d) CQueryDialog(WIN_MESSAGES,h,t,a,b,c,d,0)
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#endif /* ! MIDNIGHT */
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extern char *home_dir;
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#define NUM_SELECTION_HISTORY 32
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#ifdef _EDIT_C
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struct selection selection =
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{0, 0};
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int current_selection = 0;
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/* Note: selection.text = selection_history[current_selection].text */
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struct selection selection_history[NUM_SELECTION_HISTORY] =
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{
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{0, 0},
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{0, 0},
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{0, 0},
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{0, 0},
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{0, 0},
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{0, 0},
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{0, 0},
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{0, 0},
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{0, 0},
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{0, 0},
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};
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#ifdef MIDNIGHT
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/*
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what editor are we going to emulate? one of EDIT_KEY_EMULATION_NORMAL
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or EDIT_KEY_EMULATION_EMACS
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*/
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int edit_key_emulation = EDIT_KEY_EMULATION_NORMAL;
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#endif /* ! MIDNIGHT */
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int option_word_wrap_line_length = 72;
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int option_typewriter_wrap = 0;
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int option_auto_para_formatting = 0;
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int option_international_characters = 0;
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int option_tab_spacing = 8;
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int option_fill_tabs_with_spaces = 0;
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int option_return_does_auto_indent = 1;
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int option_backspace_through_tabs = 0;
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int option_fake_half_tabs = 1;
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int option_save_mode = 0;
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int option_backup_ext_int = -1;
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int option_find_bracket = 1;
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int option_max_undo = 8192;
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int option_editor_fg_normal = 26;
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int option_editor_fg_bold = 8;
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int option_editor_fg_italic = 10;
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int option_edit_right_extreme = 0;
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int option_edit_left_extreme = 0;
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int option_edit_top_extreme = 0;
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int option_edit_bottom_extreme = 0;
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int option_editor_bg_normal = 1;
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int option_editor_bg_abnormal = 0;
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int option_editor_bg_marked = 2;
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int option_editor_bg_marked_abnormal = 9;
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int option_editor_bg_highlighted = 12;
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int option_editor_fg_cursor = 18;
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char *option_whole_chars_search = "0123456789abcdefghijklmnopqrstuvwxyz_";
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char *option_whole_chars_move = "0123456789abcdefghijklmnopqrstuvwxyz_; ,[](){}";
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char *option_backup_ext = "~";
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#else /* ! _EDIT_C */
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extern struct selection selection;
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extern struct selection selection_history[];
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extern int current_selection;
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#ifdef MIDNIGHT
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/*
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what editor are we going to emulate? one of EDIT_KEY_EMULATION_NORMAL
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|
or EDIT_KEY_EMULATION_EMACS
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*/
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extern int edit_key_emulation;
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#endif /* ! MIDNIGHT */
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extern int option_word_wrap_line_length;
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extern int option_typewriter_wrap;
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extern int option_auto_para_formatting;
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extern int option_international_characters;
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extern int option_tab_spacing;
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extern int option_fill_tabs_with_spaces;
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extern int option_return_does_auto_indent;
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extern int option_backspace_through_tabs;
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extern int option_fake_half_tabs;
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extern int option_save_mode;
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extern int option_backup_ext_int;
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extern int option_find_bracket;
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extern int option_max_undo;
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extern int option_editor_fg_normal;
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extern int option_editor_fg_bold;
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extern int option_editor_fg_italic;
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extern int option_edit_right_extreme;
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extern int option_edit_left_extreme;
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extern int option_edit_top_extreme;
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extern int option_edit_bottom_extreme;
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extern int option_editor_bg_normal;
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extern int option_editor_bg_abnormal;
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extern int option_editor_bg_marked;
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extern int option_editor_bg_marked_abnormal;
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extern int option_editor_bg_highlighted;
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extern int option_editor_fg_cursor;
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extern char *option_whole_chars_search;
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extern char *option_whole_chars_move;
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extern char *option_backup_ext;
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extern int edit_confirm_save;
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#endif /* ! _EDIT_C */
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#endif /* __EDIT_H */
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