mirrors
/
mc
mirror of https://github.com/MidnightCommander/mc
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
mc/edit/editwidget.c

324 lines
8.5 KiB
C
Raw Blame History

/* editor initialisation and callback handler.
Copyright (C) 1996, 1997 the Free Software Foundation
Authors: 1996, 1997 Paul Sheer
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
*/
#include <config.h>
#include "edit.h"
WEdit *wedit;
WButtonBar *edit_bar;
Dlg_head *edit_dlg;
WMenu *edit_menubar;
int column_highlighting = 0;
static int edit_callback (Dlg_head * h, WEdit * edit, int msg, int par);
static int edit_mode_callback (struct Dlg_head *h, int id, int msg)
{
return 0;
}
int edit_event (WEdit * edit, Gpm_Event * event, int *result)
{
*result = MOU_NORMAL;
edit_update_curs_row (edit);
edit_update_curs_col (edit);
if (event->type & (GPM_DOWN | GPM_DRAG | GPM_UP)) {
if (event->y > 1 && event->x > 0
&& event->x <= edit->num_widget_columns
&& event->y <= edit->num_widget_lines + 1) {
if (edit->mark2 != -1 && event->type & (GPM_UP | GPM_DRAG))
return 1; /* a lone up mustn't do anything */
if (event->type & (GPM_DOWN | GPM_UP))
edit_push_key_press (edit);
edit_cursor_move (edit, edit_bol (edit, edit->curs1) - edit->curs1);
if (--event->y > (edit->curs_row + 1))
edit_cursor_move (edit,
edit_move_forward (edit, edit->curs1, event->y - (edit->curs_row + 1), 0)
- edit->curs1);
if (event->y < (edit->curs_row + 1))
edit_cursor_move (edit,
+edit_move_backward (edit, edit->curs1, (edit->curs_row + 1) - event->y)
- edit->curs1);
edit_cursor_move (edit, (int) edit_move_forward3 (edit, edit->curs1,
event->x - edit->start_col - 1, 0) - edit->curs1);
edit->prev_col = edit_get_col (edit);
if (event->type & GPM_DOWN) {
edit_mark_cmd (edit, 1); /* reset */
edit->highlight = 0;
}
if (!(event->type & GPM_DRAG))
edit_mark_cmd (edit, 0);
edit->force |= REDRAW_COMPLETELY;
edit_update_curs_row (edit);
edit_update_curs_col (edit);
edit_update_screen (edit);
return 1;
}
}
return 0;
}
int menubar_event (Gpm_Event * event, WMenu * menubar); /* menu.c */
int edit_mouse_event (Gpm_Event * event, void *x)
{
int result;
if (edit_event ((WEdit *) x, event, &result))
return result;
else
return menubar_event (event, edit_menubar);
}
extern Menu EditMenuBar[5];
int edit (const char *_file, int line)
{
static int made_directory = 0;
int framed = 0;
int midnight_colors[4];
char *text = 0;
if (option_backup_ext_int != -1) {
option_backup_ext = malloc (sizeof (int) + 1);
option_backup_ext[sizeof (int)] = '\0';
memcpy (option_backup_ext, (char *) &option_backup_ext_int, sizeof (int));
}
if (!made_directory) {
mkdir (catstrs (home_dir, EDIT_DIR, 0), 0700);
made_directory = 1;
}
if (_file) {
if (!(*_file)) {
_file = 0;
text = "";
}
} else
text = "";
if (!(wedit = edit_init (NULL, LINES - 2, COLS, _file, text, "", 0))) {
return 0;
}
wedit->macro_i = -1;
/* Create a new dialog and add it widgets to it */
edit_dlg = create_dlg (0, 0, LINES, COLS, midnight_colors,
edit_mode_callback, "[Internal File Editor]",
"edit",
DLG_NONE);
edit_dlg->raw = 1; /*so that tab = '\t' key works */
init_widget (&(wedit->widget), 0, 0, LINES - 1, COLS,
(callback_fn) edit_callback,
(destroy_fn) edit_clean,
(mouse_h) edit_mouse_event, 0);
widget_want_cursor (wedit->widget, 1);
edit_bar = buttonbar_new (1);
if (!framed) {
switch (edit_key_emulation) {
case EDIT_KEY_EMULATION_NORMAL:
edit_init_menu_normal (); /* editmenu.c */
break;
case EDIT_KEY_EMULATION_EMACS:
edit_init_menu_emacs (); /* editmenu.c */
break;
}
edit_menubar = menubar_new (0, 0, COLS, EditMenuBar, N_menus);
}
add_widget (edit_dlg, wedit);
if (!framed)
add_widget (edit_dlg, edit_menubar);
add_widget (edit_dlg, edit_bar);
edit_move_display (wedit, line - 1);
edit_move_to_line (wedit, line - 1);
run_dlg (edit_dlg);
if (!framed)
edit_done_menu (); /* editmenu.c */
destroy_dlg (edit_dlg);
return 1;
}
static void edit_my_define (Dlg_head * h, int idx, char *text,
void (*fn) (WEdit *), WEdit * edit)
{
define_label_data (h, (Widget *) edit, idx, text, (buttonbarfn) fn, edit);
}
static void cmd_F1 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (1));
}
static void cmd_F2 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (2));
}
static void cmd_F3 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (3));
}
static void cmd_F4 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (4));
}
static void cmd_F5 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (5));
}
static void cmd_F6 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (6));
}
static void cmd_F7 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (7));
}
static void cmd_F8 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (8));
}
#if 0
static void cmd_F9 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (9));
}
#endif
static void cmd_F10 (WEdit * edit)
{
send_message (edit->widget.parent, (Widget *) edit, WIDGET_KEY, KEY_F (10));
}
void edit_labels (WEdit * edit)
{
Dlg_head *h = edit->widget.parent;
edit_my_define (h, 1, _ ("Help"), cmd_F1, edit);
edit_my_define (h, 2, _ ("Save"), cmd_F2, edit);
edit_my_define (h, 3, _ ("Mark"), cmd_F3, edit);
edit_my_define (h, 4, _ ("Replac"), cmd_F4, edit);
edit_my_define (h, 5, _ ("Copy"), cmd_F5, edit);
edit_my_define (h, 6, _ ("Move"), cmd_F6, edit);
edit_my_define (h, 7, _ ("Search"), cmd_F7, edit);
edit_my_define (h, 8, _ ("Delete"), cmd_F8, edit);
if (!edit->have_frame)
edit_my_define (h, 9, _ ("PullDn"), edit_menu_cmd, edit);
edit_my_define (h, 10, _ ("Quit"), cmd_F10, edit);
redraw_labels (h, (Widget *) edit);
}
long get_key_state (void)
{
return (long) get_modifier ();
}
void edit_adjust_size (Dlg_head * h)
{
WEdit *edit;
WButtonBar *edit_bar;
edit = (WEdit *) find_widget_type (h, (callback_fn) edit_callback);
edit_bar = (WButtonBar *) edit->widget.parent->current->next->widget;
widget_set_size (&edit->widget, 0, 0, LINES - 1, COLS);
widget_set_size (&edit_bar->widget, LINES - 1, 0, 1, COLS);
widget_set_size (&edit_menubar->widget, 0, 0, 1, COLS);
#ifdef RESIZABLE_MENUBAR
menubar_arrange (edit_menubar);
#endif
}
void edit_update_screen (WEdit * e)
{
edit_scroll_screen_over_cursor (e);
edit_update_curs_col (e);
edit_status (e);
/* pop all events for this window for internal handling */
if (!is_idle ()) {
e->force |= REDRAW_PAGE;
return;
}
if (e->force & REDRAW_COMPLETELY)
e->force |= REDRAW_PAGE;
edit_render_keypress (e);
}
static int edit_callback (Dlg_head * h, WEdit * e, int msg, int par)
{
switch (msg) {
case WIDGET_INIT:
e->force |= REDRAW_COMPLETELY;
edit_labels (e);
break;
case WIDGET_DRAW:
e->force |= REDRAW_COMPLETELY;
e->num_widget_lines = LINES - 2;
e->num_widget_columns = COLS;
case WIDGET_FOCUS:
edit_update_screen (e);
return 1;
case WIDGET_KEY:{
int cmd, ch;
if (edit_drop_hotkey_menu (e, par)) /* first check alt-f, alt-e, alt-s, etc for drop menus */
return 1;
if (!edit_translate_key (e, 0, par, get_key_state (), &cmd, &ch))
return 0;
edit_execute_key_command (e, cmd, ch);
edit_update_screen (e);
}
return 1;
case WIDGET_COMMAND:
edit_execute_key_command (e, par, -1);
edit_update_screen (e);
return 1;
case WIDGET_CURSOR:
widget_move (&e->widget, e->curs_row + EDIT_TEXT_VERTICAL_OFFSET, e->curs_col + e->start_col);
return 1;
}
return default_proc (h, msg, par);
}
Reference in New Issue View Git Blame Copy Permalink