/* editor initialisation and callback handler. Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /** \file * \brief Source: editor initialisation and callback handler * \author Paul Sheer * \date 1996, 1997 */ #include #include #include #include #ifdef HAVE_UNISTD_H # include #endif #include #include #include #include #include #include "../src/global.h" #include "edit.h" #include "edit-widget.h" #include "../src/tty.h" /* LINES */ #include "../src/widget.h" /* buttonbar_redraw() */ #include "../src/menu.h" /* menubar_new() */ #include "../src/key.h" /* is_idle() */ WEdit *wedit; struct WMenu *edit_menubar; int column_highlighting = 0; static cb_ret_t edit_callback (Widget *, widget_msg_t msg, int parm); static int edit_event (WEdit * edit, Gpm_Event * event, int *result) { *result = MOU_NORMAL; edit_update_curs_row (edit); edit_update_curs_col (edit); /* Unknown event type */ if (!(event->type & (GPM_DOWN | GPM_DRAG | GPM_UP))) return 0; /* Wheel events */ if ((event->buttons & GPM_B_UP) && (event->type & GPM_DOWN)) { edit_move_up (edit, 2, 1); goto update; } if ((event->buttons & GPM_B_DOWN) && (event->type & GPM_DOWN)) { edit_move_down (edit, 2, 1); goto update; } /* Outside editor window */ if (event->y <= 1 || event->x <= 0 || event->x > edit->num_widget_columns || event->y > edit->num_widget_lines + 1) return 0; /* A lone up mustn't do anything */ if (edit->mark2 != -1 && event->type & (GPM_UP | GPM_DRAG)) return 1; if (event->type & (GPM_DOWN | GPM_UP)) edit_push_key_press (edit); edit->prev_col = event->x - edit->start_col - 1; if (--event->y > (edit->curs_row + 1)) edit_move_down (edit, event->y - (edit->curs_row + 1), 0); else if (event->y < (edit->curs_row + 1)) edit_move_up (edit, (edit->curs_row + 1) - event->y, 0); else edit_move_to_prev_col (edit, edit_bol (edit, edit->curs1)); if (event->type & GPM_DOWN) { edit_mark_cmd (edit, 1); /* reset */ edit->highlight = 0; } if (!(event->type & GPM_DRAG)) edit_mark_cmd (edit, 0); update: edit_find_bracket (edit); edit->force |= REDRAW_COMPLETELY; edit_update_curs_row (edit); edit_update_curs_col (edit); edit_update_screen (edit); return 1; } static int edit_mouse_event (Gpm_Event *event, void *x) { int result; if (edit_event ((WEdit *) x, event, &result)) return result; else return (*edit_menubar->widget.mouse) (event, edit_menubar); } static void edit_adjust_size (Dlg_head *h) { WEdit *edit; WButtonBar *edit_bar; edit = (WEdit *) find_widget_type (h, edit_callback); edit_bar = find_buttonbar (h); widget_set_size (&edit->widget, 0, 0, LINES - 1, COLS); widget_set_size ((Widget *) edit_bar, LINES - 1, 0, 1, COLS); widget_set_size (&edit_menubar->widget, 0, 0, 1, COLS); #ifdef RESIZABLE_MENUBAR menubar_arrange (edit_menubar); #endif } /* Callback for the edit dialog */ static cb_ret_t edit_dialog_callback (Dlg_head *h, dlg_msg_t msg, int parm) { WEdit *edit; switch (msg) { case DLG_RESIZE: edit_adjust_size (h); return MSG_HANDLED; case DLG_VALIDATE: edit = (WEdit *) find_widget_type (h, edit_callback); if (!edit_ok_to_exit (edit)) { h->running = 1; } return MSG_HANDLED; default: return default_dlg_callback (h, msg, parm); } } int edit_file (const char *_file, int line) { static int made_directory = 0; Dlg_head *edit_dlg; WButtonBar *edit_bar; if (!made_directory) { char *dir = concat_dir_and_file (home_dir, EDIT_DIR); made_directory = (mkdir (dir, 0700) != -1 || errno == EEXIST); g_free (dir); } if (!(wedit = edit_init (NULL, LINES - 2, COLS, _file, line))) { return 0; } /* Create a new dialog and add it widgets to it */ edit_dlg = create_dlg (0, 0, LINES, COLS, NULL, edit_dialog_callback, "[Internal File Editor]", NULL, DLG_WANT_TAB); init_widget (&(wedit->widget), 0, 0, LINES - 1, COLS, edit_callback, edit_mouse_event); widget_want_cursor (wedit->widget, 1); edit_bar = buttonbar_new (1); edit_menubar = edit_create_menu (); add_widget (edit_dlg, edit_bar); add_widget (edit_dlg, wedit); add_widget (edit_dlg, edit_menubar); run_dlg (edit_dlg); edit_done_menu (edit_menubar); /* editmenu.c */ destroy_dlg (edit_dlg); return 1; } static void edit_my_define (Dlg_head * h, int idx, const char *text, void (*fn) (WEdit *), WEdit * edit) { text = edit->labels[idx - 1]? edit->labels[idx - 1] : text; /* function-cast ok */ buttonbar_set_label_data (h, idx, text, (buttonbarfn) fn, edit); } static void cmd_F1 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (1)); } static void cmd_F2 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (2)); } static void cmd_F3 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (3)); } static void cmd_F4 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (4)); } static void cmd_F5 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (5)); } static void cmd_F6 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (6)); } static void cmd_F7 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (7)); } static void cmd_F8 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (8)); } #if 0 static void cmd_F9 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (9)); } #endif static void cmd_F10 (WEdit * edit) { send_message ((Widget *) edit, WIDGET_KEY, KEY_F (10)); } static 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); edit_my_define (h, 9, _("PullDn"), edit_menu_cmd, edit); edit_my_define (h, 10, _("Quit"), cmd_F10, edit); buttonbar_redraw (h); } 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 cb_ret_t edit_callback (Widget *w, widget_msg_t msg, int parm) { WEdit *e = (WEdit *) w; switch (msg) { case WIDGET_INIT: e->force |= REDRAW_COMPLETELY; edit_labels (e); return MSG_HANDLED; case WIDGET_DRAW: e->force |= REDRAW_COMPLETELY; e->num_widget_lines = LINES - 2; e->num_widget_columns = COLS; /* fallthrough */ case WIDGET_FOCUS: edit_update_screen (e); return MSG_HANDLED; case WIDGET_KEY: { int cmd, ch; /* The user may override the access-keys for the menu bar. */ if (edit_translate_key (e, parm, &cmd, &ch)) { edit_execute_key_command (e, cmd, ch); edit_update_screen (e); return MSG_HANDLED; } else if (edit_drop_hotkey_menu (e, parm)) { return MSG_HANDLED; } else { return MSG_NOT_HANDLED; } } case WIDGET_CURSOR: widget_move (&e->widget, e->curs_row + EDIT_TEXT_VERTICAL_OFFSET, e->curs_col + e->start_col); return MSG_HANDLED; case WIDGET_DESTROY: edit_clean (e); return MSG_HANDLED; default: return default_proc (msg, parm); } }