/*
* X11 GUI for slide puzzle game
* Copyright © 2022 Nick Bowler
*
* 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 3 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, see .
*/
#include
#include
#include
#include
#include
#include
#include "help.h"
#include "motif.h"
#include "ewmhicon.h"
#include "motifopt.h"
#include "game.h"
#include "version.h"
#define TIMER_UPDATE_MS 33
#define PROGNAME "rrace"
static const char *progname = PROGNAME;
static const struct option lopts[] = { LOPTS_INITIALIZER, {0} };
static char * const default_resources[] = {
"*title: RRace",
"*game.height: 371", // 365 + 2*shadowThickness
"*game.width: 498",
"*game.XmFrame.shadowThickness: 3",
"*game.XmFrame.shadowType: shadow_in",
"*goalArea.leftOffset: 1",
"*gameNew.accelerator: CtrlN",
"*gameNew.acceleratorText: Ctrl+N",
"*gameExit.accelerator: CtrlQ",
"*gameExit.acceleratorText: Ctrl+Q",
"*aboutDialog*pixmapTextPadding: 10",
NULL
};
static void print_version(void)
{
version_print_head("rrace-motif", stdout);
puts("License GPLv3+: GNU GPL version 3 or any later version");
puts("This is free software: you are free to change and redistribute it.");
puts("There is NO WARRANTY, to the extent permitted by law.");
}
static void print_usage(FILE *f)
{
fprintf(f, "Usage: %s [options]\n", progname);
if (f != stdout)
fprintf(f, "Try %s --help for more information.\n", progname);
}
static void print_help(void)
{
struct lopt_help help = {0};
const struct option *opt;
print_usage(stdout);
putchar('\n');
puts("Options:");
for (opt = lopts; opt->name; opt++) {
if (!lopt_get_help(opt, &help))
continue;
help_print_option(opt, help.arg, help.desc, 20);
}
putchar('\n');
printf("Report bugs to <%s>.\n", PACKAGE_BUGREPORT);
}
static Widget early_setup(XtAppContext *app, int argc, char **argv)
{
Widget shell;
int opt;
/* Check for --help/--version early (before X connection) */
opterr = 0;
while ((opt = getopt_long_only(argc, argv, "", lopts, NULL)) != -1) {
switch (opt) {
case LOPT_VERSION:
print_version();
exit(EXIT_SUCCESS);
case LOPT_HELP:
print_help();
exit(EXIT_SUCCESS);
}
}
shell = XtOpenApplication(app, PACKAGE_TARNAME, NULL, 0,
&argc, argv, (String *)default_resources,
sessionShellWidgetClass, NULL, 0);
opterr = optind = 1;
while ((opt = getopt_long_only(argc, argv, "", lopts, NULL)) != -1) {
switch (opt) {
default:
print_usage(stderr);
exit(EXIT_FAILURE);
}
}
if (argv[optind]) {
fprintf(stderr, "%s: excess command-line arguments.\n",
progname);
print_usage(stderr);
exit(EXIT_FAILURE);
}
return shell;
}
static void timer_tick(void *data, XtIntervalId *id)
{
struct app_state *state = data;
XtAppContext app;
if (state->board.x > 4) {
/* Game is over */
state->timer_tick = 0;
return;
}
app = XtWidgetToApplicationContext(state->timer);
ui_timer_update(state, game_elapsed(&state->board));
state->timer_tick = XtAppAddTimeOut(app, TIMER_UPDATE_MS,
timer_tick, state);
}
static void do_input_move(struct app_state *state, int x, int y)
{
uint_fast32_t mask;
if ((mask = game_do_move(&state->board, x, y)) != 0) {
if (game_check_goal(&state->board) == 0) {
int_fast32_t ms = game_finish(&state->board);
unsigned min, sec;
ui_timer_update(state, ms);
sec = ms / 1000, ms %= 1000;
min = sec / 60, sec %= 60;
printf("You won! Time was %u:%.2u.%.3u\n",
min, sec, (unsigned)ms);
mask |= ~GOAL_MASK;
}
x11_redraw_game(state, mask);
}
}
static void set_view_goal(struct app_state *state, int view_goal)
{
state->view_goal_on_game = view_goal;
x11_redraw_game(state, game_check_goal(&state->board));
}
static void game_input(Widget w, void *data, void *cb_data)
{
XmDrawingAreaCallbackStruct *cbs = cb_data;
XButtonEvent *b = &cbs->event->xbutton;
struct app_state *state = data;
Dimension width, height;
switch (cbs->event->type) {
case ButtonPress:
switch (b->button) {
case Button1:
if (b->state & Button3Mask)
break;
XtVaGetValues(w, XmNwidth, &width,
XmNheight, &height,
(char *)NULL);
do_input_move(state, b->x / (width / 5),
b->y / (height / 5));
break;
case Button3:
set_view_goal(state, 1);
break;
}
break;
case ButtonRelease:
switch (b->button) {
case Button3:
set_view_goal(state, 0);
break;
}
}
}
static struct app_state state;
static Widget get_shell(Widget w)
{
Widget shell;
for (shell = w; !XtIsWMShell(shell);)
shell = XtParent(shell);
return shell;
}
static void proc_exit(Widget w, XEvent *e, String *argv, Cardinal *argc)
{
XtAppSetExitFlag(XtWidgetToApplicationContext(w));
}
static void proc_new_game(Widget w, XEvent *e, String *argv, Cardinal *argc)
{
game_reset(&state.board);
x11_redraw_goal(&state, -1);
x11_redraw_game(&state, -1);
x11_redraw_icon(&state, get_shell(w));
if (!state.timer_tick) {
XtAppContext app = XtWidgetToApplicationContext(w);
state.timer_tick = XtAppAddTimeOut(app, TIMER_UPDATE_MS,
timer_tick, &state);
}
game_begin(&state.board);
}
static void proc_about(Widget w, XEvent *e, String *argv, Cardinal *argc)
{
ui_show_about(&state, get_shell(w));
}
static const XtActionsRec menu_actions[] = {
{ "gameNew", proc_new_game },
{ "gameExit", proc_exit },
{ "helpAbout", proc_about }
};
static XtAppContext app_initialize(int argc, char **argv)
{
XtAppContext app;
Widget shell;
int i;
if (argc > 0)
progname = argv[0];
shell = early_setup(&app, argc, argv);
XtAppAddActions(app, (void *)menu_actions, XtNumber(menu_actions));
ui_initialize(&state, shell);
x11_initialize(&state, shell);
XtAddCallback(state.game, XmNinputCallback, game_input, &state);
/* Begin with the game in winning state */
game_reset(&state.board);
for (i = 0; i < 3; i++)
state.board.game[i] = state.board.goal[i] << GOAL_SHIFT;
game_finish(&state.board);
state.use_ewmh_icons = ewmh_probe_wm_icon(shell);
XtRealizeWidget(shell);
x11_redraw_icon(&state, shell);
return app;
}
int main(int argc, char **argv)
{
setlocale(LC_ALL, "");
XtAppMainLoop(app_initialize(argc, argv));
return 0;
}