shithub: puzzles

Info  •  Files  •  Log  •  Branches

Tents: mark squares as non-tents with {Shift,Control}-cursor keys.

--- a/puzzles.but

+++ b/puzzles.but

@@ -2110,7 +2110,9 @@

 You can also use the cursor keys to move around the grid. Pressing the

 return key over an empty square will place a tent, and pressing the

 space bar over an empty square will colour it green; either key will

-clear an occupied square.

+clear an occupied square.  Holding Shift and pressing the cursor keys

+will colour empty squares green.  Holding Control and pressing the

+cursor keys will colour green both empty squares and squares with tents.

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

--- a/tents.c

+++ b/tents.c

@@ -1544,7 +1544,10 @@

 {

     int w = state->p.w, h = state->p.h;

     char tmpbuf[80];

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

+    button &= ~MOD_MASK;

+

     if (button == LEFT_BUTTON || button == RIGHT_BUTTON) {

         x = FROMCOORD(x);

         y = FROMCOORD(y);

@@ -1640,8 +1643,26 @@

     }

     if (IS_CURSOR_MOVE(button)) {

-        move_cursor(button, &ui->cx, &ui->cy, w, h, 0);

         ui->cdisp = 1;

+        if (shift || control) {

+            int len = 0, i, indices[2];

+            indices[0] = ui->cx + w * ui->cy;

+            move_cursor(button, &ui->cx, &ui->cy, w, h, 0);

+            indices[1] = ui->cx + w * ui->cy;

+

+            /* NONTENTify all unique traversed eligible squares */

+            for (i = 0; i <= (indices[0] != indices[1]); ++i)

+                if (state->grid[indices[i]] == BLANK ||

+                    (control && state->grid[indices[i]] == TENT)) {

+                    len += sprintf(tmpbuf + len, "%sN%d,%d", len ? ";" : "",

+                                   indices[i] % w, indices[i] / w);

+                    assert(len < lenof(tmpbuf));

+                }

+

+            tmpbuf[len] = '\0';

+            if (len) return dupstr(tmpbuf);

+        } else

+            move_cursor(button, &ui->cx, &ui->cy, w, h, 0);

         return "";

     }

     if (ui->cdisp) {