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/>.
34 #define TIMER_UPDATE_MS 33
36 #define PROGNAME "rrace"
37 static const char *progname = PROGNAME;
38 static const struct option lopts[] = { LOPTS_INITIALIZER, {0} };
40 static char * const default_resources[] = {
42 "*game.height: 371", // 365 + 2*shadowThickness
45 "*game.XmFrame.shadowThickness: 3",
46 "*game.XmFrame.shadowType: shadow_in",
47 "*goalArea.leftOffset: 1",
49 "*gameNew.accelerator: Ctrl<Key>N",
50 "*gameNew.acceleratorText: Ctrl+N",
51 "*gameExit.accelerator: Ctrl<Key>Q",
52 "*gameExit.acceleratorText: Ctrl+Q",
54 "*aboutDialog*pixmapTextPadding: 10",
59 static void print_version(void)
61 version_print_head("rrace-motif", stdout);
62 puts("License GPLv3+: GNU GPL version 3 or any later version");
63 puts("This is free software: you are free to change and redistribute it.");
64 puts("There is NO WARRANTY, to the extent permitted by law.");
67 static void print_usage(FILE *f)
69 fprintf(f, "Usage: %s [options]\n", progname);
71 fprintf(f, "Try %s --help for more information.\n", progname);
74 static void print_help(void)
76 struct lopt_help help = {0};
77 const struct option *opt;
83 for (opt = lopts; opt->name; opt++) {
84 if (!lopt_get_help(opt, &help))
86 help_print_option(opt, help.arg, help.desc, 20);
90 printf("Report bugs to <%s>.\n", PACKAGE_BUGREPORT);
93 static Widget early_setup(XtAppContext *app, int argc, char **argv)
98 /* Check for --help/--version early (before X connection) */
100 while ((opt = getopt_long_only(argc, argv, "", lopts, NULL)) != -1) {
111 shell = XtOpenApplication(app, PACKAGE_TARNAME, NULL, 0,
112 &argc, argv, (String *)default_resources,
113 sessionShellWidgetClass, NULL, 0);
116 while ((opt = getopt_long_only(argc, argv, "", lopts, NULL)) != -1) {
125 fprintf(stderr, "%s: excess command-line arguments.\n",
134 static void timer_tick(void *data, XtIntervalId *id)
136 struct app_state *state = data;
139 if (state->board.x > 4) {
141 state->timer_tick = 0;
145 app = XtWidgetToApplicationContext(state->game);
146 ui_timer_update(state, game_elapsed(&state->board));
147 state->timer_tick = XtAppAddTimeOut(app, TIMER_UPDATE_MS,
151 static void do_input_move(struct app_state *state, int x, int y)
155 if ((mask = game_do_move(&state->board, x, y)) != 0) {
156 if (game_check_goal(&state->board) == 0) {
157 int_fast32_t ms = game_finish(&state->board);
160 ui_timer_update(state, ms);
162 sec = ms / 1000, ms %= 1000;
163 min = sec / 60, sec %= 60;
164 printf("You won! Time was %u:%.2u.%.3u\n",
165 min, sec, (unsigned)ms);
170 x11_redraw_game(state, mask);
174 static void set_view_goal(struct app_state *state, int view_goal)
176 state->view_goal_on_game = view_goal;
177 x11_redraw_game(state, game_check_goal(&state->board));
180 static void game_input(Widget w, void *data, void *cb_data)
182 XmDrawingAreaCallbackStruct *cbs = cb_data;
183 XButtonEvent *b = &cbs->event->xbutton;
184 struct app_state *state = data;
185 Dimension width, height;
187 switch (cbs->event->type) {
191 if (b->state & Button3Mask)
194 XtVaGetValues(w, XmNwidth, &width,
198 do_input_move(state, b->x / (width / 5),
199 b->y / (height / 5));
202 set_view_goal(state, 1);
209 set_view_goal(state, 0);
215 static struct app_state state;
217 static Widget get_shell(Widget w)
221 for (shell = w; !XtIsWMShell(shell);)
222 shell = XtParent(shell);
227 static void proc_exit(Widget w, XEvent *e, String *argv, Cardinal *argc)
229 XtAppSetExitFlag(XtWidgetToApplicationContext(w));
232 static void proc_new_game(Widget w, XEvent *e, String *argv, Cardinal *argc)
234 game_reset(&state.board);
236 x11_redraw_goal(&state, -1, get_shell(w));
237 x11_redraw_game(&state, -1);
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_goal(&state, 0, shell);
289 int main(int argc, char **argv)
291 setlocale(LC_ALL, "");
292 XtAppMainLoop(app_initialize(argc, argv));