/* * uimsgbox.c - Common SDL message box functions. * * Written by * Marco van den Heuvel * Greg King * * This file is part of VICE, the Versatile Commodore Emulator. * See README for copyright notice. * * 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 "vice_sdl.h" #include "types.h" #include #include #include "lib.h" #include "resources.h" #include "sound.h" #include "ui.h" #include "uifonts.h" #include "uimenu.h" #include "uimsgbox.h" #include "vsync.h" #define MAX_MSGBOX_LEN 28 /** \brief Table of number of buttons for each `message mode` enum value */ static int msg_mode_buttons[] = { 1, /* MESSAGE_OK */ 2, /* MESSAGE_YESNO */ 5, /* MESSAGE_CPUJAM */ 5, /* MESSAGE_UNIT_SELECT */ }; static menu_draw_t *menu_draw; /** \brief Show a message box with some buttons * * \param[in] title Message box title * \param[in] message Message box message/prompt * \param[in] message_mode Type of message box to display (defined in .h) * * \return index of selected button, or -1 on cancel (Esc) */ static int handle_message_box(const char *title, const char *message, int message_mode) { char *text, *pos; unsigned int msglen, len; int before; int x; char template[] = UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING; unsigned int j = 5; int active = 1; int cur_pos = 0; int button_count; /* determine button count for requested `message mode` */ if (message_mode < 0 || message_mode >= (int)(sizeof msg_mode_buttons / sizeof msg_mode_buttons[0])) { #ifdef __func__ fprintf(stderr, "%s:%d:%s: illegal `message_mode` value %d\n", __FILE__, __LINE__, __func__, message_mode); #endif return -1; } button_count = msg_mode_buttons[message_mode]; /* print the top edge of the dialog. */ sdl_ui_clear(); sdl_ui_print_center(UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING, 2); /* make sure that the title length is not more than 28 chars. */ len = (unsigned int)strlen(title); assert(len <= MAX_MSGBOX_LEN); /* calculate the position in the template to copy the title to. */ before = (MAX_MSGBOX_LEN - len) / 2; /* copy the title into the template. */ memcpy(template + 1 + before, title, len); /* print the title part of the dialog. */ sdl_ui_print_center(template, 3); /* print the title/text separator part of the dialog. */ sdl_ui_print_center(UIFONT_RIGHTTEE_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_LEFTTEE_STRING, 4); text = lib_strdup(message); msglen = (unsigned int)strlen(text); /* substitute forward slashes and spaces for backslashes and newline * characters. */ pos = text + msglen; do { switch (*--pos) { case '\\': *pos = '/'; break; case '\n': *pos = ' '; default: break; } } while (pos != text); while (msglen != 0) { len = msglen; if (len > MAX_MSGBOX_LEN) { /* fold lines at the space that is closest to the right edge. */ len = MAX_MSGBOX_LEN + 1; while (pos[--len] != ' ') { /* if a word is too long, fold it anyway! */ if (len == 0) { len = MAX_MSGBOX_LEN; break; } } } /* erase the old line. */ memset(template + 1, ' ', MAX_MSGBOX_LEN); /* calculate the position in the template to copy the message line to. */ before = (MAX_MSGBOX_LEN - len) / 2; /* copy the message line into the template. */ memcpy(template + 1 + before, pos, len); /* print the message line. */ sdl_ui_print_center(template, j); /* advance to the next message line. */ j++; msglen -= len; pos += len; /* if the text was folded at a space, then move beyond that space. */ if (*pos == ' ') { msglen--; pos++; } } lib_free(text); /* print any needed buttons. */ sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING, j); switch (message_mode) { case MESSAGE_OK: sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_VERTICAL_STRING, j + 1); x = sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "OK" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING, j + 2); sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_VERTICAL_STRING, j + 3); break; case MESSAGE_YESNO: sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_VERTICAL_STRING, j + 1); x = sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "YES" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "NO" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING, j + 2); sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_VERTICAL_STRING, j + 3); break; case MESSAGE_UNIT_SELECT: /* Present a selection of '8', '9', '10', '11' or 'SKIP' */ sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_VERTICAL_STRING, j + 1); x = sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "8" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "9" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "10" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "11" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "SKIP" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING, j + 2); sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_VERTICAL_STRING, j + 3); break; case MESSAGE_CPUJAM: default: sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_VERTICAL_STRING, j + 1); x = sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "RESET" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "HARD RESET" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING, j + 2); sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_VERTICAL_STRING, j + 3); sdl_ui_print_center(UIFONT_VERTICAL_STRING UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING " " UIFONT_TOPLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_TOPRIGHT_STRING UIFONT_VERTICAL_STRING, j + 4); x = sdl_ui_print_center(UIFONT_VERTICAL_STRING UIFONT_VERTICAL_STRING "CONTINUE" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "MONITOR" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "QUIT" UIFONT_VERTICAL_STRING UIFONT_VERTICAL_STRING, j + 5); sdl_ui_print_center(UIFONT_VERTICAL_STRING UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING " " UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING UIFONT_VERTICAL_STRING, j + 6); j += 3; break; } /* print the bottom part of the dialog. */ sdl_ui_print_center(UIFONT_BOTTOMLEFT_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_HORIZONTAL_STRING UIFONT_BOTTOMRIGHT_STRING, j + 4); x += (menu_draw->max_text_x - 30) / 2; while (active) { switch (message_mode) { case MESSAGE_OK: sdl_ui_reverse_colors(); sdl_ui_print_center("OK", j + 2); sdl_ui_reverse_colors(); break; case MESSAGE_YESNO: if (cur_pos == 0) { sdl_ui_reverse_colors(); } sdl_ui_print("YES", x - 22, j + 2); sdl_ui_reverse_colors(); sdl_ui_print("NO", x - 10, j + 2); if (cur_pos == 1) { sdl_ui_reverse_colors(); } break; case MESSAGE_UNIT_SELECT: sdl_ui_print_center(UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "8" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "9" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "10" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "11" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING "SKIP" UIFONT_VERTICAL_STRING " " UIFONT_VERTICAL_STRING, j + 2); sdl_ui_reverse_colors(); switch (cur_pos) { case 0: sdl_ui_print("8", x - 26, j + 2); break; case 1: sdl_ui_print("9", x - 22, j + 2); break; case 2: sdl_ui_print("10", x - 18, j + 2); break; case 3: sdl_ui_print("11", x - 13, j + 2); break; case 4: sdl_ui_print("SKIP", x - 8, j + 2); break; default: break; } sdl_ui_reverse_colors(); break; case MESSAGE_CPUJAM: default: if (cur_pos == 0) { sdl_ui_reverse_colors(); } sdl_ui_print("RESET", x - 25, j - 1); if (cur_pos == 0) { sdl_ui_reverse_colors(); } if (cur_pos == 1) { sdl_ui_reverse_colors(); } sdl_ui_print("HARD RESET", x - 15, j - 1); if (cur_pos == 1) { sdl_ui_reverse_colors(); } if (cur_pos == 2) { sdl_ui_reverse_colors(); } sdl_ui_print("CONTINUE", x - 28, j + 2); if (cur_pos == 2) { sdl_ui_reverse_colors(); } if (cur_pos == 3) { sdl_ui_reverse_colors(); } sdl_ui_print("MONITOR", x - 17, j + 2); if (cur_pos == 3) { sdl_ui_reverse_colors(); } if (cur_pos == 4) { sdl_ui_reverse_colors(); } sdl_ui_print("QUIT", x - 6, j + 2); if (cur_pos == 4) { sdl_ui_reverse_colors(); } break; } sdl_ui_refresh(); switch (sdl_ui_menu_poll_input()) { case MENU_ACTION_CANCEL: case MENU_ACTION_EXIT: cur_pos = -1; active = 0; break; case MENU_ACTION_SELECT: active = 0; break; case MENU_ACTION_LEFT: case MENU_ACTION_UP: if (message_mode != MESSAGE_OK) { cur_pos--; if (cur_pos < 0) { cur_pos = button_count - 1; } } break; case MENU_ACTION_RIGHT: case MENU_ACTION_DOWN: if (message_mode != MESSAGE_OK) { cur_pos++; if (cur_pos >= button_count) { cur_pos = 0; } } break; default: SDL_Delay(10); break; } } return cur_pos; } static int activate_dialog(const char *title, const char *message, int message_mode) { int retval; sdl_ui_activate_pre_action(); retval = handle_message_box(title, message, message_mode); sdl_ui_activate_post_action(); return retval; } int message_box(const char *title, char *message, int message_mode) { sdl_ui_init_draw_params(sdl_active_canvas); menu_draw = sdl_ui_get_menu_param(); if (!sdl_menu_state) { return activate_dialog(title, (const char *)message, message_mode); } return handle_message_box(title, (const char *)message, message_mode); }