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gtk-demo: Celebrate losses too

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Everybody is a winner!
This commit is contained in:
Matthias Clasen 2020-08-11 23:26:06 -04:00
parent 3340a5ee04
commit 0a9acd10d2
1 changed files with 48 additions and 10 deletions
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58
demos/gtk-demo/peg_solitaire.c
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@ -125,12 +125,15 @@ ended (GObject *object)
}
static void
celebrate (void)
celebrate (gboolean win)
{
char *path;
GtkMediaStream *stream;
path = g_build_filename (GTK_DATADIR, "sounds", "freedesktop", "stereo", "complete.oga", NULL);
if (win)
path = g_build_filename (GTK_DATADIR, "sounds", "freedesktop", "stereo", "complete.oga", NULL);
else
path = g_build_filename (GTK_DATADIR, "sounds", "freedesktop", "stereo", "dialog-error.oga", NULL);
stream = gtk_media_file_new_for_filename (path);
gtk_media_stream_set_volume (stream, 1.0);
gtk_media_stream_play (stream);
@ -139,14 +142,40 @@ celebrate (void)
g_free (path);
}
static int
check_move (GtkGrid *grid,
int x,
int y,
int dx,
int dy)
{
GtkWidget *image;
/* We have a peg at x, y.
* Check if we can move the peg to x + 2*dx, y + 2*dy
*/
image = gtk_grid_get_child_at (grid, x + dx, y + dy);
if (!GTK_IS_IMAGE (image) ||
!SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
return 0;
image = gtk_grid_get_child_at (grid, x + 2*dx, y + 2*dy);
if (!GTK_IMAGE (image) ||
SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
return 0;
return 1;
}
static void
check_for_win (GtkGrid *grid)
check_for_end (GtkGrid *grid)
{
GtkWidget *image;
int x, y;
int pegs;
int moves;
pegs = 0;
moves = 0;
for (x = 0; x < 7; x++)
{
for (y = 0; y < 7; y++)
@ -154,16 +183,25 @@ check_for_win (GtkGrid *grid)
image = gtk_grid_get_child_at (grid, x, y);
if (GTK_IS_IMAGE (image) &&
SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
pegs++;
{
pegs++;
moves += check_move (grid, x, y, 1, 0);
moves += check_move (grid, x, y, -1, 0);
moves += check_move (grid, x, y, 0, 1);
moves += check_move (grid, x, y, 0, -1);
}
if (pegs > 1 && moves > 0)
break;
}
}
if (pegs > 1)
return;
image = gtk_grid_get_child_at (grid, 3, 3);
if (SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
celebrate ();
if (pegs == 1 &&
SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
celebrate (TRUE);
else if (moves == 0)
celebrate (FALSE);
}
@ -320,7 +358,7 @@ drop_drop (GtkDropTarget *target,
gtk_image_set_from_paintable (GTK_IMAGE (image), GDK_PAINTABLE (peg));
/* Maybe we have something to celebrate */
check_for_win (grid);
check_for_end (grid);
/* Success! */
return TRUE;