#define MIN(a, b) ((a) < (b) ? (a) : (b))
-static void game_configure(Widget w);
-
/* XXX generate this list? */
enum {
widgetMainWindow,
{
String name = (void *)&tree_strtab[item->name];
WidgetClass class;
- Widget w;
if (item->widget_type == widgetMenuBar)
return XmCreateMenuBar(parent, name, args, num_args);
static void game_resize(Widget w, void *data, void *cb_data)
{
if (XtIsRealized(w))
- x11_redraw_game(data);
+ x11_redraw_game(data, -1);
}
static void goal_resize(Widget w, void *data, void *cb_data)
{
if (XtIsRealized(w))
- x11_redraw_goal(data);
+ x11_redraw_goal(data, -1);
+}
+
+static void do_input_move(struct app_state *state, int x, int y)
+{
+ uint_least32_t *gp = state->board.game, prev[4];
+
+ memcpy(prev, gp, sizeof prev);
+ if (game_do_move(&state->board, x, y) == 0) {
+ uint_least32_t mask;
+
+ if (game_check_goal(&state->board)) {
+ int_fast32_t ms = game_finish(&state->board);
+ unsigned min, sec;
+
+ /* Negative time just means clock jumps and
+ * display headaches. */
+ if (ms < 0)
+ ms = 0;
+
+ sec = ms / 1000, ms %= 1000;
+ min = sec / 60, sec %= 60;
+ printf("You won! Time was %u:%.2u:%.3u\n",
+ min, sec, (unsigned)ms);
+ }
+
+ /* Figure out which tiles changed */
+ prev[0] ^= gp[0];
+ prev[1] ^= gp[1];
+ prev[2] ^= gp[2];
+ mask = prev[0] | prev[1] | prev[2];
+
+ 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, GOAL_MASK);
}
static void game_input(Widget w, void *data, void *cb_data)
{
XmDrawingAreaCallbackStruct *cbs = cb_data;
- XButtonEvent *click = &cbs->event->xbutton;
+ XButtonEvent *b = &cbs->event->xbutton;
struct app_state *state = data;
Dimension width, height;
- unsigned x = -1, y = -1;
switch (cbs->event->type) {
case ButtonPress:
- XtVaGetValues(w, XmNwidth, &width,
- XmNheight, &height,
- (char *)NULL);
- x = click->x / (width/5);
- y = click->y / (width/5);
+ 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;
+ }
}
+}
- if (x > 4 || y > 4)
+/* Figure out which tiles intersect a rectangle. */
+static uint_fast32_t
+expose_mask(int rect_x, int rect_y, int rect_w, int rect_h,
+ int tile_w, int tile_h)
+{
+ return board_right(rect_x / tile_w)
+ & board_below(rect_y / tile_h)
+ & board_above((rect_y + rect_h - 1) / tile_h)
+ & board_left((rect_x + rect_w - 1) / tile_w);
+}
+
+static void game_expose(Widget w, void *data, void *cb_data)
+{
+ XmDrawingAreaCallbackStruct *cbs = cb_data;
+ XExposeEvent *e = &cbs->event->xexpose;
+ Dimension width, height;
+ uint_fast32_t mask;
+
+ XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL);
+ if (!(width /= 5) || !(height /= 5))
return;
- if (game_do_move(&state->board, x, y) == 0) {
- if (game_check_goal(&state->board)) {
- printf("You win!\n");
- game_finish(&state->board);
- }
+ mask = expose_mask(e->x, e->y, e->width, e->height, width, height);
+ x11_redraw_game(data, mask);
+}
- x11_redraw_game(state);
- }
+static void goal_expose(Widget w, void *data, void *cb_data)
+{
+ XmDrawingAreaCallbackStruct *cbs = cb_data;
+ XExposeEvent *e = &cbs->event->xexpose;
+ Dimension width, height;
+ uint_fast32_t mask;
+
+ XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL);
+ if (!(width /= 3) || !(height /= 3))
+ return;
+
+ mask = expose_mask(e->x, e->y, e->width, e->height, width, height);
+ x11_redraw_goal(data, mask);
}
void ui_initialize(struct app_state *state, Widget shell)
state->game = XtNameToWidget(shell, "*gameCanvas");
XtAddCallback(state->game, XmNresizeCallback, game_resize, state);
- XtAddCallback(state->game, XmNexposeCallback, game_resize, state);
+ XtAddCallback(state->game, XmNexposeCallback, game_expose, state);
XtAddCallback(state->game, XmNinputCallback, game_input, state);
state->goal = XtNameToWidget(shell, "*goalCanvas");
XtAddCallback(state->goal, XmNresizeCallback, goal_resize, state);
- XtAddCallback(state->goal, XmNexposeCallback, goal_resize, state);
+ XtAddCallback(state->goal, XmNexposeCallback, goal_expose, state);
}