inputbox.c revision 217309
1217309Snwhitehorn/* 2217309Snwhitehorn * $Id: inputbox.c,v 1.64 2010/01/19 01:03:39 tom Exp $ 3217309Snwhitehorn * 4217309Snwhitehorn * inputbox.c -- implements the input box 5217309Snwhitehorn * 6217309Snwhitehorn * Copyright 2000-2009,2010 Thomas E. Dickey 7217309Snwhitehorn * 8217309Snwhitehorn * This program is free software; you can redistribute it and/or modify 9217309Snwhitehorn * it under the terms of the GNU Lesser General Public License, version 2.1 10217309Snwhitehorn * as published by the Free Software Foundation. 11217309Snwhitehorn * 12217309Snwhitehorn * This program is distributed in the hope that it will be useful, but 13217309Snwhitehorn * WITHOUT ANY WARRANTY; without even the implied warranty of 14217309Snwhitehorn * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15217309Snwhitehorn * Lesser General Public License for more details. 16217309Snwhitehorn * 17217309Snwhitehorn * You should have received a copy of the GNU Lesser General Public 18217309Snwhitehorn * License along with this program; if not, write to 19217309Snwhitehorn * Free Software Foundation, Inc. 20217309Snwhitehorn * 51 Franklin St., Fifth Floor 21217309Snwhitehorn * Boston, MA 02110, USA. 22217309Snwhitehorn * 23217309Snwhitehorn * An earlier version of this program lists as authors: 24217309Snwhitehorn * Savio Lam (lam836@cs.cuhk.hk) 25217309Snwhitehorn */ 26217309Snwhitehorn 27217309Snwhitehorn#include <dialog.h> 28217309Snwhitehorn#include <dlg_keys.h> 29217309Snwhitehorn 30217309Snwhitehorn#define sTEXT -1 31217309Snwhitehorn 32217309Snwhitehorn#define NAVIGATE_BINDINGS \ 33217309Snwhitehorn DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_DOWN ), \ 34217309Snwhitehorn DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ), \ 35217309Snwhitehorn DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ), \ 36217309Snwhitehorn DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ), \ 37217309Snwhitehorn DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ), \ 38217309Snwhitehorn DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_UP ) 39217309Snwhitehorn 40217309Snwhitehorn/* 41217309Snwhitehorn * Display a dialog box for entering a string 42217309Snwhitehorn */ 43217309Snwhitehornint 44217309Snwhitehorndialog_inputbox(const char *title, const char *cprompt, int height, int width, 45217309Snwhitehorn const char *init, const int password) 46217309Snwhitehorn{ 47217309Snwhitehorn /* *INDENT-OFF* */ 48217309Snwhitehorn static DLG_KEYS_BINDING binding[] = { 49217309Snwhitehorn ENTERKEY_BINDINGS, 50217309Snwhitehorn NAVIGATE_BINDINGS, 51217309Snwhitehorn END_KEYS_BINDING 52217309Snwhitehorn }; 53217309Snwhitehorn static DLG_KEYS_BINDING binding2[] = { 54217309Snwhitehorn INPUTSTR_BINDINGS, 55217309Snwhitehorn ENTERKEY_BINDINGS, 56217309Snwhitehorn NAVIGATE_BINDINGS, 57217309Snwhitehorn END_KEYS_BINDING 58217309Snwhitehorn }; 59217309Snwhitehorn /* *INDENT-ON* */ 60217309Snwhitehorn 61217309Snwhitehorn#ifdef KEY_RESIZE 62217309Snwhitehorn int old_height = height; 63217309Snwhitehorn int old_width = width; 64217309Snwhitehorn#endif 65217309Snwhitehorn int xorg, yorg; 66217309Snwhitehorn int x, y, box_y, box_x, box_width; 67217309Snwhitehorn int show_buttons; 68217309Snwhitehorn int col_offset = 0; 69217309Snwhitehorn int chr_offset = 0; 70217309Snwhitehorn int key, fkey, code; 71217309Snwhitehorn int result = DLG_EXIT_UNKNOWN; 72217309Snwhitehorn int state; 73217309Snwhitehorn int first; 74217309Snwhitehorn char *input; 75217309Snwhitehorn WINDOW *dialog; 76217309Snwhitehorn WINDOW *editor; 77217309Snwhitehorn char *prompt = dlg_strclone(cprompt); 78217309Snwhitehorn const char **buttons = dlg_ok_labels(); 79217309Snwhitehorn 80217309Snwhitehorn dlg_does_output(); 81217309Snwhitehorn 82217309Snwhitehorn dlg_tab_correct_str(prompt); 83217309Snwhitehorn 84217309Snwhitehorn /* Set up the initial value */ 85217309Snwhitehorn input = dlg_set_result(init); 86217309Snwhitehorn 87217309Snwhitehorn#ifdef KEY_RESIZE 88217309Snwhitehorn retry: 89217309Snwhitehorn#endif 90217309Snwhitehorn show_buttons = TRUE; 91217309Snwhitehorn state = dialog_vars.defaultno ? dlg_defaultno_button() : sTEXT; 92217309Snwhitehorn first = (state == sTEXT); 93217309Snwhitehorn key = fkey = 0; 94217309Snwhitehorn 95217309Snwhitehorn if (init != NULL) { 96217309Snwhitehorn dlg_auto_size(title, prompt, &height, &width, 5, 97217309Snwhitehorn MIN(MAX(dlg_count_columns(init) + 7, 26), 98217309Snwhitehorn SCOLS - (dialog_vars.begin_set ? 99217309Snwhitehorn dialog_vars.begin_x : 0))); 100217309Snwhitehorn chr_offset = (int) strlen(init); 101217309Snwhitehorn } else { 102217309Snwhitehorn dlg_auto_size(title, prompt, &height, &width, 5, 26); 103217309Snwhitehorn } 104217309Snwhitehorn dlg_button_layout(buttons, &width); 105217309Snwhitehorn dlg_print_size(height, width); 106217309Snwhitehorn dlg_ctl_size(height, width); 107217309Snwhitehorn 108217309Snwhitehorn xorg = dlg_box_x_ordinate(width); 109217309Snwhitehorn yorg = dlg_box_y_ordinate(height); 110217309Snwhitehorn 111217309Snwhitehorn dialog = dlg_new_window(height, width, yorg, xorg); 112217309Snwhitehorn dlg_register_window(dialog, "inputbox", binding); 113217309Snwhitehorn dlg_register_buttons(dialog, "inputbox", buttons); 114217309Snwhitehorn 115217309Snwhitehorn dlg_mouse_setbase(xorg, yorg); 116217309Snwhitehorn 117217309Snwhitehorn dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); 118217309Snwhitehorn dlg_draw_bottom_box(dialog); 119217309Snwhitehorn dlg_draw_title(dialog, title); 120217309Snwhitehorn 121217309Snwhitehorn wattrset(dialog, dialog_attr); 122217309Snwhitehorn dlg_print_autowrap(dialog, prompt, height, width); 123217309Snwhitehorn 124217309Snwhitehorn /* Draw the input field box */ 125217309Snwhitehorn box_width = width - 6; 126217309Snwhitehorn getyx(dialog, y, x); 127217309Snwhitehorn box_y = y + 2; 128217309Snwhitehorn box_x = (width - box_width) / 2; 129217309Snwhitehorn dlg_mouse_mkregion(y + 1, box_x - 1, 3, box_width + 2, 'i'); 130217309Snwhitehorn dlg_draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2, 131217309Snwhitehorn border_attr, dialog_attr); 132217309Snwhitehorn 133217309Snwhitehorn /* Make a window for the input-field, to associate bindings */ 134217309Snwhitehorn editor = dlg_sub_window(dialog, 1, box_width, yorg + box_y, xorg + box_x); 135217309Snwhitehorn dlg_register_window(editor, "inputbox", binding2); 136217309Snwhitehorn 137217309Snwhitehorn while (result == DLG_EXIT_UNKNOWN) { 138217309Snwhitehorn int edit = 0; 139217309Snwhitehorn 140217309Snwhitehorn /* 141217309Snwhitehorn * The last field drawn determines where the cursor is shown: 142217309Snwhitehorn */ 143217309Snwhitehorn if (show_buttons) { 144217309Snwhitehorn show_buttons = FALSE; 145217309Snwhitehorn col_offset = dlg_edit_offset(input, chr_offset, box_width); 146217309Snwhitehorn (void) wmove(dialog, box_y, box_x + col_offset); 147217309Snwhitehorn dlg_draw_buttons(dialog, height - 2, 0, buttons, state, FALSE, width); 148217309Snwhitehorn } 149217309Snwhitehorn 150217309Snwhitehorn if (!first) { 151217309Snwhitehorn key = dlg_mouse_wgetch((state == sTEXT) ? editor : dialog, &fkey); 152217309Snwhitehorn if (dlg_result_key(key, fkey, &result)) 153217309Snwhitehorn break; 154217309Snwhitehorn } 155217309Snwhitehorn 156217309Snwhitehorn /* 157217309Snwhitehorn * Handle mouse clicks first, since we want to know if this is a button, 158217309Snwhitehorn * or something that dlg_edit_string() should handle. 159217309Snwhitehorn */ 160217309Snwhitehorn if (fkey 161217309Snwhitehorn && is_DLGK_MOUSE(key) 162217309Snwhitehorn && (code = dlg_ok_buttoncode(key - M_EVENT)) >= 0) { 163217309Snwhitehorn result = code; 164217309Snwhitehorn continue; 165217309Snwhitehorn } 166217309Snwhitehorn 167217309Snwhitehorn if (state == sTEXT) { /* Input box selected */ 168217309Snwhitehorn edit = dlg_edit_string(input, &chr_offset, key, fkey, first); 169217309Snwhitehorn 170217309Snwhitehorn if (edit) { 171217309Snwhitehorn dlg_show_string(dialog, input, chr_offset, inputbox_attr, 172217309Snwhitehorn box_y, box_x, box_width, password, first); 173217309Snwhitehorn first = FALSE; 174217309Snwhitehorn continue; 175217309Snwhitehorn } else if (first) { 176217309Snwhitehorn first = FALSE; 177217309Snwhitehorn continue; 178217309Snwhitehorn } 179217309Snwhitehorn } 180217309Snwhitehorn 181217309Snwhitehorn /* handle non-functionkeys */ 182217309Snwhitehorn if (!fkey && (code = dlg_char_to_button(key, buttons)) >= 0) { 183217309Snwhitehorn dlg_del_window(dialog); 184217309Snwhitehorn result = dlg_ok_buttoncode(code); 185217309Snwhitehorn continue; 186217309Snwhitehorn } 187217309Snwhitehorn 188217309Snwhitehorn /* handle functionkeys */ 189217309Snwhitehorn if (fkey) { 190217309Snwhitehorn switch (key) { 191217309Snwhitehorn case DLGK_MOUSE('i'): /* mouse enter events */ 192217309Snwhitehorn state = 0; 193217309Snwhitehorn /* FALLTHRU */ 194217309Snwhitehorn case DLGK_FIELD_PREV: 195217309Snwhitehorn show_buttons = TRUE; 196217309Snwhitehorn state = dlg_prev_ok_buttonindex(state, sTEXT); 197217309Snwhitehorn break; 198217309Snwhitehorn case DLGK_FIELD_NEXT: 199217309Snwhitehorn show_buttons = TRUE; 200217309Snwhitehorn state = dlg_next_ok_buttonindex(state, sTEXT); 201217309Snwhitehorn break; 202217309Snwhitehorn case ' ': /* FIXME: conflict with inputstr.c */ 203217309Snwhitehorn case DLGK_ENTER: 204217309Snwhitehorn dlg_del_window(dialog); 205217309Snwhitehorn result = (state >= 0) ? dlg_ok_buttoncode(state) : DLG_EXIT_OK; 206217309Snwhitehorn break; 207217309Snwhitehorn#ifdef KEY_RESIZE 208217309Snwhitehorn case KEY_RESIZE: 209217309Snwhitehorn /* reset data */ 210217309Snwhitehorn height = old_height; 211217309Snwhitehorn width = old_width; 212217309Snwhitehorn /* repaint */ 213217309Snwhitehorn dlg_clear(); 214217309Snwhitehorn dlg_del_window(dialog); 215217309Snwhitehorn refresh(); 216217309Snwhitehorn dlg_mouse_free_regions(); 217217309Snwhitehorn goto retry; 218217309Snwhitehorn#endif 219217309Snwhitehorn default: 220217309Snwhitehorn beep(); 221217309Snwhitehorn break; 222217309Snwhitehorn } 223217309Snwhitehorn } else { 224217309Snwhitehorn beep(); 225217309Snwhitehorn } 226217309Snwhitehorn } 227217309Snwhitehorn 228217309Snwhitehorn dlg_unregister_window(editor); 229217309Snwhitehorn dlg_del_window(dialog); 230217309Snwhitehorn dlg_mouse_free_regions(); 231217309Snwhitehorn free(prompt); 232217309Snwhitehorn return result; 233217309Snwhitehorn} 234