static int
scale_drag_event(GooCanvasItem *w,
GooCanvasItem *target,
GdkEvent *event,
ScaleItem *scale)
{
double x, y;
double item_x, item_y;
if(answer_string) // disable, waiting a answer
return FALSE;
switch(event->type)
{
case GDK_BUTTON_PRESS:
gc_drag_offset_save(event);
goo_canvas_item_raise(goo_canvas_item_get_parent(scale->item),
NULL);
goo_canvas_item_raise(scale->item, NULL);
break;
case GDK_MOTION_NOTIFY:
gc_drag_item_move(event, NULL);
break;
case GDK_BUTTON_RELEASE:
{
int plate;
item_x = event->button.x;
item_y = event->button.y;
goo_canvas_convert_from_item_space(goo_canvas_item_get_canvas(w),
scale->item, &item_x, &item_y);
x = item_x;
y = item_y;
goo_canvas_convert_to_item_space(goo_canvas_item_get_canvas(w),
group_g, &x, &y);
if( -ITEM_W < x
&& x < PLATE_W + ITEM_W
&& abs(y - PLATE_Y) < ITEM_H)
plate = 1;
else
{
x = item_x;
y = item_y;
goo_canvas_convert_to_item_space(goo_canvas_item_get_canvas(w),
group_d, &x, &y);
if( -ITEM_W < x
&& x < PLATE_W + ITEM_W
&& abs(y - PLATE_Y) < ITEM_H)
plate = -1;
else
plate=0;
}
scale_item_move_to(scale, plate);
}
break;
default:
break;
}
return FALSE;
}
/* ==================================== */
static gint
item_event(GooCanvasItem *item,
GooCanvasItem *target,
GdkEvent *event,
PieceItem *data)
{
double item_x, item_y;
if(!gcomprisBoard)
return FALSE;
if(board_paused)
return FALSE;
if(data && !data->on_top)
return FALSE;
switch (event->type)
{
case GDK_ENTER_NOTIFY:
g_object_set(item,
"stroke-color", "white",
"line-width", (double)3,
NULL);
break;
case GDK_LEAVE_NOTIFY:
g_object_set(item,
"stroke-color", "black",
"line-width", (double)1,
NULL);
break;
case GDK_BUTTON_PRESS:
switch(event->button.button)
{
case 1:
gc_sound_play_ogg ("sounds/bleep.wav", NULL);
gc_drag_offset_save(event);
goo_canvas_item_raise(data->group, NULL);
break;
}
break;
case GDK_MOTION_NOTIFY:
gc_drag_item_move(event, data->group);
break;
case GDK_BUTTON_RELEASE:
{
gint i;
gint tmpi, tmpj;
double tmpx, tmpy;
PieceItem *piece_src;
PieceItem *piece_dst;
gint col = 0, line;
item_x = event->button.x;
item_y = event->button.y;
goo_canvas_convert_from_item_space(goo_canvas_item_get_canvas(item),
item,
&item_x, &item_y);
/* Search the column (x) where this item is ungrabbed */
for(i=0; i<=number_of_item_x; i++)
if(position[i][0]->x < item_x &&
position[i+1][0]->x > item_x)
col = i;
/* Bad drop / Outside of column area */
/* Bad drop / On the same column */
if(col<0 || col > number_of_item_x || col == data->i)
{
gc_sound_play_ogg ("sounds/eraser2.wav", NULL);
/* Return to the original position */
gc_item_absolute_move (data->group, data->x , data->y);
return FALSE;
}
/* Now search the free line (y) */
line = number_of_item_y;
for(i=number_of_item_y-1; i>=0; i--)
if(position[col][i]->color == -1)
line = i;
/* Bad drop / Too many pieces here */
if(line >= number_of_item_y)
{
gc_sound_play_ogg ("sounds/eraser2.wav", NULL);
/* Return to the original position */
gc_item_absolute_move (data->group, data->x , data->y);
return FALSE;
}
/* Update ontop values for the piece under the grabbed one */
if(data->j>0)
position[data->i][data->j-1]->on_top = TRUE;
/* Update ontop values for the piece under the ungrabbed one */
if(line>0)
position[col][line-1]->on_top = FALSE;
/* Move the piece */
piece_dst = position[col][line];
piece_src = data;
gc_item_absolute_move (data->group, piece_dst->x , piece_dst->y);
gc_sound_play_ogg ("sounds/scroll.wav", NULL);
/* Swap values in the pieces */
tmpx = data->x;
tmpy = data->y;
piece_src->x = piece_dst->x;
piece_src->y = piece_dst->y;
piece_dst->x = tmpx;
piece_dst->y = tmpy;
tmpi = data->i;
tmpj = data->j;
position[tmpi][tmpj]->i = piece_dst->i;
position[tmpi][tmpj]->j = piece_dst->j;
piece_dst->i = tmpi;
piece_dst->j = tmpj;
position[piece_src->i][piece_src->j] = piece_src;
position[piece_dst->i][piece_dst->j] = piece_dst;
// dump_solution();
if(is_completed())
{
gamewon = TRUE;
hanoi_destroy_all_items();
gc_bonus_display(gamewon, GC_BONUS_SMILEY);
}
}
break;
default:
break;
}
return FALSE;
}
