1217309Snwhitehorn/* 2251843Sbapt * $Id: inputbox.c,v 1.76 2012/12/03 11:46:50 tom Exp $ 3217309Snwhitehorn * 4224014Snwhitehorn * inputbox.c -- implements the input box 5217309Snwhitehorn * 6251843Sbapt * Copyright 2000-2011,2012 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[] = { 49224014Snwhitehorn HELPKEY_BINDINGS, 50217309Snwhitehorn ENTERKEY_BINDINGS, 51217309Snwhitehorn NAVIGATE_BINDINGS, 52217309Snwhitehorn END_KEYS_BINDING 53217309Snwhitehorn }; 54217309Snwhitehorn static DLG_KEYS_BINDING binding2[] = { 55217309Snwhitehorn INPUTSTR_BINDINGS, 56224014Snwhitehorn HELPKEY_BINDINGS, 57217309Snwhitehorn ENTERKEY_BINDINGS, 58217309Snwhitehorn NAVIGATE_BINDINGS, 59217309Snwhitehorn END_KEYS_BINDING 60217309Snwhitehorn }; 61217309Snwhitehorn /* *INDENT-ON* */ 62217309Snwhitehorn 63217309Snwhitehorn#ifdef KEY_RESIZE 64217309Snwhitehorn int old_height = height; 65217309Snwhitehorn int old_width = width; 66217309Snwhitehorn#endif 67217309Snwhitehorn int xorg, yorg; 68217309Snwhitehorn int x, y, box_y, box_x, box_width; 69217309Snwhitehorn int show_buttons; 70217309Snwhitehorn int col_offset = 0; 71217309Snwhitehorn int chr_offset = 0; 72217309Snwhitehorn int key, fkey, code; 73217309Snwhitehorn int result = DLG_EXIT_UNKNOWN; 74217309Snwhitehorn int state; 75217309Snwhitehorn int first; 76251843Sbapt int edited; 77217309Snwhitehorn char *input; 78217309Snwhitehorn WINDOW *dialog; 79217309Snwhitehorn WINDOW *editor; 80217309Snwhitehorn char *prompt = dlg_strclone(cprompt); 81217309Snwhitehorn const char **buttons = dlg_ok_labels(); 82217309Snwhitehorn 83217309Snwhitehorn dlg_does_output(); 84217309Snwhitehorn 85217309Snwhitehorn dlg_tab_correct_str(prompt); 86217309Snwhitehorn 87217309Snwhitehorn /* Set up the initial value */ 88217309Snwhitehorn input = dlg_set_result(init); 89251843Sbapt edited = FALSE; 90217309Snwhitehorn 91217309Snwhitehorn#ifdef KEY_RESIZE 92217309Snwhitehorn retry: 93217309Snwhitehorn#endif 94217309Snwhitehorn show_buttons = TRUE; 95251843Sbapt state = dialog_vars.default_button >= 0 ? dlg_default_button() : sTEXT; 96217309Snwhitehorn first = (state == sTEXT); 97217309Snwhitehorn key = fkey = 0; 98217309Snwhitehorn 99217309Snwhitehorn if (init != NULL) { 100217309Snwhitehorn dlg_auto_size(title, prompt, &height, &width, 5, 101217309Snwhitehorn MIN(MAX(dlg_count_columns(init) + 7, 26), 102217309Snwhitehorn SCOLS - (dialog_vars.begin_set ? 103217309Snwhitehorn dialog_vars.begin_x : 0))); 104217309Snwhitehorn chr_offset = (int) strlen(init); 105217309Snwhitehorn } else { 106217309Snwhitehorn dlg_auto_size(title, prompt, &height, &width, 5, 26); 107217309Snwhitehorn } 108217309Snwhitehorn dlg_button_layout(buttons, &width); 109217309Snwhitehorn dlg_print_size(height, width); 110217309Snwhitehorn dlg_ctl_size(height, width); 111217309Snwhitehorn 112217309Snwhitehorn xorg = dlg_box_x_ordinate(width); 113217309Snwhitehorn yorg = dlg_box_y_ordinate(height); 114217309Snwhitehorn 115217309Snwhitehorn dialog = dlg_new_window(height, width, yorg, xorg); 116217309Snwhitehorn dlg_register_window(dialog, "inputbox", binding); 117217309Snwhitehorn dlg_register_buttons(dialog, "inputbox", buttons); 118217309Snwhitehorn 119217309Snwhitehorn dlg_mouse_setbase(xorg, yorg); 120217309Snwhitehorn 121251843Sbapt dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr); 122251843Sbapt dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr); 123217309Snwhitehorn dlg_draw_title(dialog, title); 124217309Snwhitehorn 125251843Sbapt (void) wattrset(dialog, dialog_attr); 126224014Snwhitehorn dlg_draw_helpline(dialog, FALSE); 127217309Snwhitehorn dlg_print_autowrap(dialog, prompt, height, width); 128217309Snwhitehorn 129217309Snwhitehorn /* Draw the input field box */ 130217309Snwhitehorn box_width = width - 6; 131217309Snwhitehorn getyx(dialog, y, x); 132251843Sbapt (void) x; 133217309Snwhitehorn box_y = y + 2; 134217309Snwhitehorn box_x = (width - box_width) / 2; 135217309Snwhitehorn dlg_mouse_mkregion(y + 1, box_x - 1, 3, box_width + 2, 'i'); 136217309Snwhitehorn dlg_draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2, 137251843Sbapt border_attr, border2_attr); 138217309Snwhitehorn 139217309Snwhitehorn /* Make a window for the input-field, to associate bindings */ 140217309Snwhitehorn editor = dlg_sub_window(dialog, 1, box_width, yorg + box_y, xorg + box_x); 141251843Sbapt dlg_register_window(editor, "inputbox2", binding2); 142217309Snwhitehorn 143251843Sbapt if (*input != '\0') { 144251843Sbapt dlg_show_string(editor, input, chr_offset, inputbox_attr, 145251843Sbapt 0, 0, box_width, password, first); 146251843Sbapt wsyncup(editor); 147251843Sbapt wcursyncup(editor); 148251843Sbapt } 149217309Snwhitehorn while (result == DLG_EXIT_UNKNOWN) { 150217309Snwhitehorn int edit = 0; 151217309Snwhitehorn 152217309Snwhitehorn /* 153217309Snwhitehorn * The last field drawn determines where the cursor is shown: 154217309Snwhitehorn */ 155217309Snwhitehorn if (show_buttons) { 156217309Snwhitehorn show_buttons = FALSE; 157217309Snwhitehorn col_offset = dlg_edit_offset(input, chr_offset, box_width); 158217309Snwhitehorn (void) wmove(dialog, box_y, box_x + col_offset); 159217309Snwhitehorn dlg_draw_buttons(dialog, height - 2, 0, buttons, state, FALSE, width); 160217309Snwhitehorn } 161217309Snwhitehorn 162217309Snwhitehorn if (!first) { 163251843Sbapt if (*input != '\0' && !edited) { 164251843Sbapt dlg_show_string(editor, input, chr_offset, inputbox_attr, 165251843Sbapt 0, 0, box_width, password, first); 166251843Sbapt wmove(editor, 0, chr_offset); 167251843Sbapt wsyncup(editor); 168251843Sbapt wcursyncup(editor); 169251843Sbapt } 170217309Snwhitehorn key = dlg_mouse_wgetch((state == sTEXT) ? editor : dialog, &fkey); 171217309Snwhitehorn if (dlg_result_key(key, fkey, &result)) 172217309Snwhitehorn break; 173217309Snwhitehorn } 174217309Snwhitehorn 175217309Snwhitehorn /* 176217309Snwhitehorn * Handle mouse clicks first, since we want to know if this is a button, 177217309Snwhitehorn * or something that dlg_edit_string() should handle. 178217309Snwhitehorn */ 179217309Snwhitehorn if (fkey 180217309Snwhitehorn && is_DLGK_MOUSE(key) 181217309Snwhitehorn && (code = dlg_ok_buttoncode(key - M_EVENT)) >= 0) { 182217309Snwhitehorn result = code; 183217309Snwhitehorn continue; 184217309Snwhitehorn } 185217309Snwhitehorn 186217309Snwhitehorn if (state == sTEXT) { /* Input box selected */ 187217309Snwhitehorn edit = dlg_edit_string(input, &chr_offset, key, fkey, first); 188217309Snwhitehorn 189217309Snwhitehorn if (edit) { 190251843Sbapt dlg_show_string(editor, input, chr_offset, inputbox_attr, 191251843Sbapt 0, 0, box_width, password, first); 192251843Sbapt wsyncup(editor); 193251843Sbapt wcursyncup(editor); 194217309Snwhitehorn first = FALSE; 195251843Sbapt edited = TRUE; 196217309Snwhitehorn continue; 197217309Snwhitehorn } else if (first) { 198217309Snwhitehorn first = FALSE; 199217309Snwhitehorn continue; 200217309Snwhitehorn } 201217309Snwhitehorn } 202217309Snwhitehorn 203217309Snwhitehorn /* handle non-functionkeys */ 204217309Snwhitehorn if (!fkey && (code = dlg_char_to_button(key, buttons)) >= 0) { 205217309Snwhitehorn dlg_del_window(dialog); 206217309Snwhitehorn result = dlg_ok_buttoncode(code); 207217309Snwhitehorn continue; 208217309Snwhitehorn } 209217309Snwhitehorn 210217309Snwhitehorn /* handle functionkeys */ 211217309Snwhitehorn if (fkey) { 212217309Snwhitehorn switch (key) { 213217309Snwhitehorn case DLGK_MOUSE('i'): /* mouse enter events */ 214217309Snwhitehorn state = 0; 215217309Snwhitehorn /* FALLTHRU */ 216217309Snwhitehorn case DLGK_FIELD_PREV: 217217309Snwhitehorn show_buttons = TRUE; 218217309Snwhitehorn state = dlg_prev_ok_buttonindex(state, sTEXT); 219217309Snwhitehorn break; 220217309Snwhitehorn case DLGK_FIELD_NEXT: 221217309Snwhitehorn show_buttons = TRUE; 222217309Snwhitehorn state = dlg_next_ok_buttonindex(state, sTEXT); 223217309Snwhitehorn break; 224217309Snwhitehorn case ' ': /* FIXME: conflict with inputstr.c */ 225217309Snwhitehorn case DLGK_ENTER: 226217309Snwhitehorn dlg_del_window(dialog); 227224014Snwhitehorn result = (state >= 0) ? dlg_enter_buttoncode(state) : DLG_EXIT_OK; 228217309Snwhitehorn break; 229217309Snwhitehorn#ifdef KEY_RESIZE 230217309Snwhitehorn case KEY_RESIZE: 231217309Snwhitehorn /* reset data */ 232217309Snwhitehorn height = old_height; 233217309Snwhitehorn width = old_width; 234217309Snwhitehorn /* repaint */ 235217309Snwhitehorn dlg_clear(); 236217309Snwhitehorn dlg_del_window(dialog); 237217309Snwhitehorn refresh(); 238217309Snwhitehorn dlg_mouse_free_regions(); 239217309Snwhitehorn goto retry; 240217309Snwhitehorn#endif 241217309Snwhitehorn default: 242217309Snwhitehorn beep(); 243217309Snwhitehorn break; 244217309Snwhitehorn } 245217309Snwhitehorn } else { 246217309Snwhitehorn beep(); 247217309Snwhitehorn } 248217309Snwhitehorn } 249217309Snwhitehorn 250217309Snwhitehorn dlg_unregister_window(editor); 251217309Snwhitehorn dlg_del_window(dialog); 252217309Snwhitehorn dlg_mouse_free_regions(); 253217309Snwhitehorn free(prompt); 254217309Snwhitehorn return result; 255217309Snwhitehorn} 256