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Keyboard control for Dominosa (patch largely due to James H, though

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with considerable meddling from me).

[originally from svn r8788]
This commit is contained in:
Simon Tatham
2009-12-22 16:47:42 +00:00
parent 2bdabe31cf
commit 2b06c12728
4 changed files with 105 additions and 6 deletions
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90
dominosa.c
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@ -951,13 +951,21 @@ static char *game_text_format(game_state *state)
return NULL;
}
struct game_ui {
int cur_x, cur_y, cur_visible;
};
static game_ui *new_ui(game_state *state)
{
return NULL;
game_ui *ui = snew(game_ui);
ui->cur_x = ui->cur_y = 0;
ui->cur_visible = 0;
return ui;
}
static void free_ui(game_ui *ui)
{
sfree(ui);
}
static char *encode_ui(game_ui *ui)
@ -972,6 +980,8 @@ static void decode_ui(game_ui *ui, char *encoding)
static void game_changed_state(game_ui *ui, game_state *oldstate,
game_state *newstate)
{
if (!oldstate->completed && newstate->completed)
ui->cur_visible = 0;
}
#define PREFERRED_TILESIZE 32
@ -980,6 +990,7 @@ static void game_changed_state(game_ui *ui, game_state *oldstate,
#define DOMINO_GUTTER (TILESIZE / 16)
#define DOMINO_RADIUS (TILESIZE / 8)
#define DOMINO_COFFSET (DOMINO_GUTTER + DOMINO_RADIUS)
#define CURSOR_RADIUS (TILESIZE / 4)
#define COORD(x) ( (x) * TILESIZE + BORDER )
#define FROMCOORD(x) ( ((x) - BORDER + TILESIZE) / TILESIZE - 1 )
@ -1033,8 +1044,32 @@ static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
(state->grid[d1] != d1 || state->grid[d2] != d2))
return NULL;
ui->cur_visible = 0;
sprintf(buf, "%c%d,%d", (int)(button == RIGHT_BUTTON ? 'E' : 'D'), d1, d2);
return dupstr(buf);
} else if (IS_CURSOR_MOVE(button)) {
ui->cur_visible = 1;
move_cursor(button, &ui->cur_x, &ui->cur_y, 2*w-1, 2*h-1, 0);
return "";
} else if (IS_CURSOR_SELECT(button)) {
int d1, d2;
if (!((ui->cur_x ^ ui->cur_y) & 1))
return NULL; /* must have exactly one dimension odd */
d1 = (ui->cur_y / 2) * w + (ui->cur_x / 2);
d2 = ((ui->cur_y+1) / 2) * w + ((ui->cur_x+1) / 2);
/*
* We can't mark an edge next to any domino.
*/
if (button == CURSOR_SELECT2 &&
(state->grid[d1] != d1 || state->grid[d2] != d2))
return NULL;
sprintf(buf, "%c%d,%d", (int)(button == CURSOR_SELECT2 ? 'E' : 'D'), d1, d2);
return dupstr(buf);
}
return NULL;
@ -1236,7 +1271,7 @@ static float *game_colours(frontend *fe, int *ncolours)
ret[COL_DOMINOTEXT * 3 + 1] = 1.0F;
ret[COL_DOMINOTEXT * 3 + 2] = 1.0F;
ret[COL_EDGE * 3 + 0] = ret[COL_BACKGROUND * 3 + 0] * 2 / 3;
ret[COL_EDGE * 3 + 0] = ret[COL_BACKGROUND * 3 + 0] * 2 / 3;
ret[COL_EDGE * 3 + 1] = ret[COL_BACKGROUND * 3 + 1] * 2 / 3;
ret[COL_EDGE * 3 + 2] = ret[COL_BACKGROUND * 3 + 2] * 2 / 3;
@ -1275,6 +1310,24 @@ enum {
TYPE_MASK = 0x0F
};
/* These flags must be disjoint with:
* the above enum (TYPE_*) [0x000 -- 0x00F]
* EDGE_* [0x100 -- 0xF00]
* and must fit into an unsigned long (32 bits).
*/
#define DF_FLASH 0x40
#define DF_CLASH 0x80
#define DF_CURSOR 0x01000
#define DF_CURSOR_USEFUL 0x02000
#define DF_CURSOR_XBASE 0x10000
#define DF_CURSOR_XMASK 0x30000
#define DF_CURSOR_YBASE 0x40000
#define DF_CURSOR_YMASK 0xC0000
#define CEDGE_OFF (TILESIZE / 8)
#define IS_EMPTY(s,x,y) ((s)->grid[(y)*(s)->w+(x)] == ((y)*(s)->w+(x)))
static void draw_tile(drawing *dr, game_drawstate *ds, game_state *state,
int x, int y, int type)
{
@ -1284,6 +1337,7 @@ static void draw_tile(drawing *dr, game_drawstate *ds, game_state *state,
char str[80];
int flags;
clip(dr, cx, cy, TILESIZE, TILESIZE);
draw_rect(dr, cx, cy, TILESIZE, TILESIZE, COL_BACKGROUND);
flags = type &~ TYPE_MASK;
@ -1300,13 +1354,13 @@ static void draw_tile(drawing *dr, game_drawstate *ds, game_state *state,
* - a slight shift in the number
*/
if (flags & 0x80)
if (flags & DF_CLASH)
bg = COL_DOMINOCLASH;
else
bg = COL_DOMINO;
nc = COL_DOMINOTEXT;
if (flags & 0x40) {
if (flags & DF_FLASH) {
int tmp = nc;
nc = bg;
bg = tmp;
@ -1360,11 +1414,23 @@ static void draw_tile(drawing *dr, game_drawstate *ds, game_state *state,
nc = COL_TEXT;
}
if (flags & DF_CURSOR) {
int curx = ((flags & DF_CURSOR_XMASK) / DF_CURSOR_XBASE) & 3;
int cury = ((flags & DF_CURSOR_YMASK) / DF_CURSOR_YBASE) & 3;
int ox = cx + curx*TILESIZE/2;
int oy = cy + cury*TILESIZE/2;
draw_rect_corners(dr, ox, oy, CURSOR_RADIUS, nc);
if (flags & DF_CURSOR_USEFUL)
draw_rect_corners(dr, ox, oy, CURSOR_RADIUS+1, nc);
}
sprintf(str, "%d", state->numbers->numbers[y*w+x]);
draw_text(dr, cx+TILESIZE/2, cy+TILESIZE/2, FONT_VARIABLE, TILESIZE/2,
ALIGN_HCENTRE | ALIGN_VCENTRE, nc, str);
draw_update(dr, cx, cy, TILESIZE, TILESIZE);
unclip(dr);
}
static void game_redraw(drawing *dr, game_drawstate *ds, game_state *oldstate,
@ -1425,13 +1491,25 @@ static void game_redraw(drawing *dr, game_drawstate *ds, game_state *oldstate,
n2 = state->numbers->numbers[state->grid[n]];
di = DINDEX(n1, n2);
if (used[di] > 1)
c |= 0x80; /* highlight a clash */
c |= DF_CLASH; /* highlight a clash */
} else {
c |= state->edges[n];
}
if (flashtime != 0)
c |= 0x40; /* we're flashing */
c |= DF_FLASH; /* we're flashing */
if (ui->cur_visible) {
unsigned curx = (unsigned)(ui->cur_x - (2*x-1));
unsigned cury = (unsigned)(ui->cur_y - (2*y-1));
if (curx < 3 && cury < 3) {
c |= (DF_CURSOR |
(curx * DF_CURSOR_XBASE) |
(cury * DF_CURSOR_YBASE));
if ((ui->cur_x ^ ui->cur_y) & 1)
c |= DF_CURSOR_USEFUL;
}
}
if (ds->visible[n] != c) {
draw_tile(dr, ds, state, x, y, c);