diff options
Diffstat (limited to 'gst/games')
| -rw-r--r-- | gst/games/gstpuzzle.c | 77 |
1 files changed, 49 insertions, 28 deletions
diff --git a/gst/games/gstpuzzle.c b/gst/games/gstpuzzle.c index 25e631f8..9aef3cc2 100644 --- a/gst/games/gstpuzzle.c +++ b/gst/games/gstpuzzle.c @@ -293,18 +293,60 @@ gst_puzzle_shuffle (GstPuzzle * puzzle) puzzle->solved = FALSE; } +/* The nav event handler handles nav events, but still forwards them, so you + * should be able to even use puzzle while navigating a dvd menu. We return + * TRUE of course even when noone downstream handles the event. + */ static gboolean nav_event_handler (GstPad * pad, GstEvent * event) { GstPuzzle *puzzle; GstVideofilter *filter; const gchar *type; + gboolean result = FALSE; + gdouble x, y; + gint xpos = 0, ypos = 0; puzzle = GST_PUZZLE (gst_pad_get_parent (pad)); filter = GST_VIDEOFILTER (puzzle); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_NAVIGATION: + /* translate the event */ + if (gst_structure_get_double (event->event_data.structure.structure, + "pointer_x", &x) && + gst_structure_get_double (event->event_data.structure.structure, + "pointer_y", &y)) { + gint width, height; + + width = gst_videofilter_get_input_width (filter); + height = gst_videofilter_get_input_height (filter); + width = (width / puzzle->columns) & ~3; + height = (height / puzzle->rows) & ~3; + xpos = (int) x / width; + ypos = (int) y / height; + if (xpos >= 0 && xpos < puzzle->columns && ypos >= 0 + && ypos < puzzle->rows) { + GstEvent *copy; + guint lookup; + + lookup = puzzle->permutation[ypos * puzzle->columns + xpos]; + GST_DEBUG_OBJECT (puzzle, "translated %dx%d (%gx%g) to %dx%d (%gx%g)", + xpos, ypos, x, y, + lookup % puzzle->columns, lookup / puzzle->columns, + x + ((gint) (lookup % puzzle->columns) - xpos) * width, + y + ((gint) (lookup / puzzle->columns) - ypos) * height); + x += ((gint) (lookup % puzzle->columns) - xpos) * width; + y += ((gint) (lookup / puzzle->columns) - ypos) * height; + copy = gst_event_copy (event); + gst_structure_set (copy->event_data.structure.structure, + "pointer_x", G_TYPE_DOUBLE, x, + "pointer_y", G_TYPE_DOUBLE, y, NULL); + gst_event_unref (event); + event = copy; + } + } + /* handle the event. NOTE: it has already been translated! */ type = gst_structure_get_string (event->event_data.structure.structure, "event"); if (g_str_equal (type, "key-press")) { @@ -329,58 +371,37 @@ nav_event_handler (GstPad * pad, GstEvent * event) gst_puzzle_move (puzzle, DIR_UP); } else if (g_str_equal (key, "Down")) { gst_puzzle_move (puzzle, DIR_DOWN); - } else { - break; } } puzzle->solved = gst_puzzle_is_solved (puzzle); - gst_event_unref (event); - return TRUE; } else if (g_str_equal (type, "mouse-button-press")) { gint button; if (gst_structure_get_int (event->event_data.structure.structure, "button", &button)) { if (button == 1) { - gdouble x, y; - - if (gst_structure_get_double (event->event_data.structure.structure, - "pointer_x", &x) && - gst_structure_get_double (event->event_data.structure.structure, - "pointer_y", &y)) { - gint xpos, ypos; - - xpos = - (int) x / ((gst_videofilter_get_input_width (filter) / - puzzle->columns) & ~3); - ypos = - (int) y / ((gst_videofilter_get_input_height (filter) / - puzzle->rows) & ~3); - if (xpos >= 0 && xpos < puzzle->columns && ypos >= 0 - && ypos < puzzle->rows) { - gst_puzzle_swap (puzzle, ypos * puzzle->columns + xpos); - } + if (xpos >= 0 && xpos < puzzle->columns && ypos >= 0 + && ypos < puzzle->rows && !puzzle->solved) { + gst_puzzle_swap (puzzle, ypos * puzzle->columns + xpos); puzzle->solved = gst_puzzle_is_solved (puzzle); - gst_event_unref (event); - return TRUE; } } else if (button == 2) { - if (gst_puzzle_is_solved (puzzle)) { + if (puzzle->solved) { gst_puzzle_shuffle (puzzle); } else { gst_puzzle_solve (puzzle); } puzzle->solved = gst_puzzle_is_solved (puzzle); - gst_event_unref (event); - return TRUE; } } } + /* FIXME: only return TRUE for events we handle? */ + result = TRUE; break; default: break; } - return gst_pad_event_default (pad, event); + return gst_pad_event_default (pad, event) || result; } static void |