2 * X11 GUI for slide puzzle game
3 * Copyright © 2022 Nick Bowler
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <https://www.gnu.org/licenses/>.
33 #define TIMER_UPDATE_MS 33
35 #define PROGNAME "rrace"
36 static const char *progname = PROGNAME;
37 static const struct option lopts[] = { LOPTS_INITIALIZER, {0} };
39 static char * const default_resources[] = {
41 "*game.height: 371", // 365 + 2*shadowThickness
44 "*game.XmFrame.shadowThickness: 3",
45 "*game.XmFrame.shadowType: shadow_in",
46 "*goalArea.leftOffset: 1",
48 "*gameNew.accelerator: Ctrl<Key>N",
49 "*gameNew.acceleratorText: Ctrl+N",
50 "*gameExit.accelerator: Ctrl<Key>Q",
51 "*gameExit.acceleratorText: Ctrl+Q",
53 "*aboutDialog*pixmapTextPadding: 10",
58 static void print_version(void)
60 version_print_head("rrace-motif", stdout);
61 puts("License GPLv3+: GNU GPL version 3 or any later version");
62 puts("This is free software: you are free to change and redistribute it.");
63 puts("There is NO WARRANTY, to the extent permitted by law.");
66 static void print_usage(FILE *f)
68 fprintf(f, "Usage: %s [options]\n", progname);
70 fprintf(f, "Try %s --help for more information.\n", progname);
73 static void print_help(void)
75 struct lopt_help help = {0};
76 const struct option *opt;
82 for (opt = lopts; opt->name; opt++) {
83 if (!lopt_get_help(opt, &help))
85 help_print_option(opt, help.arg, help.desc, 20);
89 printf("Report bugs to <%s>.\n", PACKAGE_BUGREPORT);
92 static Widget early_setup(XtAppContext *app, int argc, char **argv)
97 /* Check for --help/--version early (before X connection) */
99 while ((opt = getopt_long_only(argc, argv, "", lopts, NULL)) != -1) {
110 shell = XtOpenApplication(app, PACKAGE_TARNAME, NULL, 0,
111 &argc, argv, (String *)default_resources,
112 sessionShellWidgetClass, NULL, 0);
115 while ((opt = getopt_long_only(argc, argv, "", lopts, NULL)) != -1) {
124 fprintf(stderr, "%s: excess command-line arguments.\n",
133 static void timer_tick(void *data, XtIntervalId *id)
135 struct app_state *state = data;
138 if (state->board.x > 4) {
140 state->timer_tick = 0;
144 app = XtWidgetToApplicationContext(state->timer);
145 ui_timer_update(state, game_elapsed(&state->board));
146 state->timer_tick = XtAppAddTimeOut(app, TIMER_UPDATE_MS,
150 static void do_input_move(struct app_state *state, int x, int y)
154 if ((mask = game_do_move(&state->board, x, y)) != 0) {
155 if (game_check_goal(&state->board) == 0) {
156 int_fast32_t ms = game_finish(&state->board);
159 ui_timer_update(state, ms);
161 sec = ms / 1000, ms %= 1000;
162 min = sec / 60, sec %= 60;
163 printf("You won! Time was %u:%.2u.%.3u\n",
164 min, sec, (unsigned)ms);
169 x11_redraw_game(state, mask);
173 static void set_view_goal(struct app_state *state, int view_goal)
175 state->view_goal_on_game = view_goal;
176 x11_redraw_game(state, game_check_goal(&state->board));
179 static void game_input(Widget w, void *data, void *cb_data)
181 XmDrawingAreaCallbackStruct *cbs = cb_data;
182 XButtonEvent *b = &cbs->event->xbutton;
183 struct app_state *state = data;
184 Dimension width, height;
186 switch (cbs->event->type) {
190 if (b->state & Button3Mask)
193 XtVaGetValues(w, XmNwidth, &width,
197 do_input_move(state, b->x / (width / 5),
198 b->y / (height / 5));
201 set_view_goal(state, 1);
208 set_view_goal(state, 0);
214 static struct app_state state;
216 static Widget get_shell(Widget w)
220 for (shell = w; !XtIsWMShell(shell);)
221 shell = XtParent(shell);
226 static void proc_exit(Widget w, XEvent *e, String *argv, Cardinal *argc)
228 XtAppSetExitFlag(XtWidgetToApplicationContext(w));
231 static void proc_new_game(Widget w, XEvent *e, String *argv, Cardinal *argc)
233 game_reset(&state.board);
235 x11_redraw_goal(&state, -1);
236 x11_redraw_game(&state, -1);
237 x11_redraw_icon(&state, get_shell(w));
239 if (!state.timer_tick) {
240 XtAppContext app = XtWidgetToApplicationContext(w);
241 state.timer_tick = XtAppAddTimeOut(app, TIMER_UPDATE_MS,
245 game_begin(&state.board);
248 static void proc_about(Widget w, XEvent *e, String *argv, Cardinal *argc)
250 ui_show_about(&state, get_shell(w));
253 static const XtActionsRec menu_actions[] = {
254 { "gameNew", proc_new_game },
255 { "gameExit", proc_exit },
256 { "helpAbout", proc_about }
259 static XtAppContext app_initialize(int argc, char **argv)
268 shell = early_setup(&app, argc, argv);
269 XtAppAddActions(app, (void *)menu_actions, XtNumber(menu_actions));
270 ui_initialize(&state, shell);
271 x11_initialize(&state, shell);
273 XtAddCallback(state.game, XmNinputCallback, game_input, &state);
275 /* Begin with the game in winning state */
276 game_reset(&state.board);
277 for (i = 0; i < 3; i++)
278 state.board.game[i] = state.board.goal[i] << GOAL_SHIFT;
279 game_finish(&state.board);
281 state.use_ewmh_icons = ewmh_probe_wm_icon(shell);
282 XtRealizeWidget(shell);
284 x11_redraw_icon(&state, shell);
289 int main(int argc, char **argv)
291 setlocale(LC_ALL, "");
292 XtAppMainLoop(app_initialize(argc, argv));