shithub: puzzles

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Pattern: color multiple squares with Ctrl- or Shift-cursor keys.

--- a/pattern.c

+++ b/pattern.c

@@ -1056,6 +1056,7 @@

                             const game_drawstate *ds,

                             int x, int y, int button)

 {

+    int control = button & MOD_CTRL, shift = button & MOD_SHFT;

     button &= ~MOD_MASK;

     x = FROMCOORD(state->w, x);

@@ -1156,10 +1157,23 @@

     }

     if (IS_CURSOR_MOVE(button)) {

+	int x = ui->cur_x, y = ui->cur_y, newstate;

+	char buf[80];

         move_cursor(button, &ui->cur_x, &ui->cur_y, state->w, state->h, 0);

         ui->cur_visible = 1;

-        return "";

+	if (!control && !shift) return "";

+

+	newstate = control ? shift ? GRID_UNKNOWN : GRID_FULL : GRID_EMPTY;

+	if (state->grid[y * state->w + x] == newstate &&

+	    state->grid[ui->cur_y * state->w + ui->cur_x] == newstate)

+	    return "";

+

+	sprintf(buf, "%c%d,%d,%d,%d", control ? shift ? 'U' : 'F' : 'E',

+		min(x, ui->cur_x), min(y, ui->cur_y),

+		abs(x - ui->cur_x) + 1, abs(y - ui->cur_y) + 1);

+	return dupstr(buf);

     }

+

     if (IS_CURSOR_SELECT(button)) {

         int currstate = state->grid[ui->cur_y * state->w + ui->cur_x];

         int newstate;

--- a/puzzles.but

+++ b/puzzles.but

@@ -897,6 +897,10 @@

 return key will cycle the current cell through empty, then black, then

 white, then empty, and the space bar does the same cycle in reverse.

+Moving the cursor while holding Control will colour the moved-over

+squares black.  Holding Shift will colour the moved-over squares

+white, and holding both will colour them grey.

+

 (All the actions described in \k{common-actions} are also available.)

 \H{pattern-parameters} \I{parameters, for Pattern}Pattern parameters