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James H's patch for a keyboard-controlled cursor in Flip.

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[originally from svn r6049]
This commit is contained in:
Simon Tatham
2005-07-03 14:49:00 +00:00
parent 85a29743ef
commit 6989217624
1 changed files with 51 additions and 11 deletions
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62
flip.c
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@ -20,6 +20,7 @@ enum {
COL_GRID, COL_GRID,
COL_DIAG, COL_DIAG,
COL_HINT, COL_HINT,
COL_CURSOR,
NCOLOURS NCOLOURS
}; };
@ -857,13 +858,20 @@ static char *game_text_format(game_state *state)
return NULL; return NULL;
} }
struct game_ui {
int cx, cy, cdraw;
};
static game_ui *new_ui(game_state *state) static game_ui *new_ui(game_state *state)
{ {
return NULL; game_ui *ui = snew(game_ui);
ui->cx = ui->cy = ui->cdraw = 0;
return ui;
} }
static void free_ui(game_ui *ui) static void free_ui(game_ui *ui)
{ {
sfree(ui);
} }
static char *encode_ui(game_ui *ui) static char *encode_ui(game_ui *ui)
@ -890,17 +898,43 @@ static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
int x, int y, int button) int x, int y, int button)
{ {
int w = state->w, h = state->h /*, wh = w * h */; int w = state->w, h = state->h /*, wh = w * h */;
char buf[80]; char buf[80], *nullret = NULL;
if (button == LEFT_BUTTON || button == CURSOR_SELECT ||
button == ' ' || button == '\r' || button == '\n') {
int tx, ty;
if (button == LEFT_BUTTON) {
tx = FROMCOORD(x), ty = FROMCOORD(y);
ui->cdraw = 0;
} else {
tx = ui->cx; ty = ui->cy;
ui->cdraw = 1;
}
nullret = "";
if (button == LEFT_BUTTON) {
int tx = FROMCOORD(x), ty = FROMCOORD(y);
if (tx >= 0 && tx < w && ty >= 0 && ty < h) { if (tx >= 0 && tx < w && ty >= 0 && ty < h) {
sprintf(buf, "M%d,%d", tx, ty); sprintf(buf, "M%d,%d", tx, ty);
return dupstr(buf); return dupstr(buf);
} }
} }
else if (button == CURSOR_UP || button == CURSOR_DOWN ||
button == CURSOR_RIGHT || button == CURSOR_LEFT) {
int dx = 0, dy = 0;
switch (button) {
case CURSOR_UP: dy = -1; break;
case CURSOR_DOWN: dy = 1; break;
case CURSOR_RIGHT: dx = 1; break;
case CURSOR_LEFT: dx = -1; break;
default: assert(!"shouldn't get here");
}
ui->cx += dx; ui->cy += dy;
ui->cx = min(max(ui->cx, 0), state->w);
ui->cy = min(max(ui->cy, 0), state->h);
ui->cdraw = 1;
nullret = "";
}
return NULL; return nullret;
} }
static game_state *execute_move(game_state *from, char *move) static game_state *execute_move(game_state *from, char *move)
@ -1001,6 +1035,10 @@ static float *game_colours(frontend *fe, game_state *state, int *ncolours)
ret[COL_HINT * 3 + 1] = 0.0F; ret[COL_HINT * 3 + 1] = 0.0F;
ret[COL_HINT * 3 + 2] = 0.0F; ret[COL_HINT * 3 + 2] = 0.0F;
ret[COL_CURSOR * 3 + 0] = 0.8F;
ret[COL_CURSOR * 3 + 1] = 0.0F;
ret[COL_CURSOR * 3 + 2] = 0.0F;
*ncolours = NCOLOURS; *ncolours = NCOLOURS;
return ret; return ret;
} }
@ -1033,7 +1071,7 @@ static void draw_tile(frontend *fe, game_drawstate *ds,
{ {
int w = ds->w, h = ds->h, wh = w * h; int w = ds->w, h = ds->h, wh = w * h;
int bx = x * TILE_SIZE + BORDER, by = y * TILE_SIZE + BORDER; int bx = x * TILE_SIZE + BORDER, by = y * TILE_SIZE + BORDER;
int i, j; int i, j, dcol = (tile & 4) ? COL_CURSOR : COL_DIAG;
clip(fe, bx+1, by+1, TILE_SIZE-1, TILE_SIZE-1); clip(fe, bx+1, by+1, TILE_SIZE-1, TILE_SIZE-1);
@ -1074,12 +1112,12 @@ static void draw_tile(frontend *fe, game_drawstate *ds,
int cx = (bx + TILE_SIZE/2) + (2 * ox - 1) * td; int cx = (bx + TILE_SIZE/2) + (2 * ox - 1) * td;
int cy = (by + TILE_SIZE/2) + (2 * oy - 1) * td; int cy = (by + TILE_SIZE/2) + (2 * oy - 1) * td;
if (ox == 0 && oy == 0) if (ox == 0 && oy == 0)
draw_rect(fe, cx, cy, 2*td+1, 2*td+1, COL_DIAG); draw_rect(fe, cx, cy, 2*td+1, 2*td+1, dcol);
else { else {
draw_line(fe, cx, cy, cx+2*td, cy, COL_DIAG); draw_line(fe, cx, cy, cx+2*td, cy, dcol);
draw_line(fe, cx, cy+2*td, cx+2*td, cy+2*td, COL_DIAG); draw_line(fe, cx, cy+2*td, cx+2*td, cy+2*td, dcol);
draw_line(fe, cx, cy, cx, cy+2*td, COL_DIAG); draw_line(fe, cx, cy, cx, cy+2*td, dcol);
draw_line(fe, cx+2*td, cy, cx+2*td, cy+2*td, COL_DIAG); draw_line(fe, cx+2*td, cy, cx+2*td, cy+2*td, dcol);
} }
} }
@ -1158,6 +1196,8 @@ static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
if (!state->hints_active) if (!state->hints_active)
v &= ~2; v &= ~2;
if (ui->cdraw && ui->cx == x && ui->cy == y)
v |= 4;
if (oldstate && state->grid[i] != oldstate->grid[i]) if (oldstate && state->grid[i] != oldstate->grid[i])
vv = 255; /* means `animated' */ vv = 255; /* means `animated' */