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| -rw-r--r-- | slant.c | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -1402,6 +1402,29 @@ static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds, int v; char buf[80]; + /* + * This is an utterly awful hack which I should really sort out + * by means of a proper configuration mechanism. One Slant + * player has observed that they prefer the mouse buttons to + * function exactly the opposite way round, so here's a + * mechanism for environment-based configuration. I cache the + * result in a global variable - yuck! - to avoid repeated + * lookups. + */ + { + static int swap_buttons = -1; + if (swap_buttons < 0) { + char *env = getenv("SLANT_SWAP_BUTTONS"); + swap_buttons = (env && (env[0] == 'y' || env[0] == 'Y')); + } + if (swap_buttons) { + if (button == LEFT_BUTTON) + button = RIGHT_BUTTON; + else + button = LEFT_BUTTON; + } + } + x = FROMCOORD(x); y = FROMCOORD(y); if (x < 0 || y < 0 || x >= w || y >= h) |