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ocarina: Scroll to current song 

Only on non-draining playlists when that playlist selects a song.

Signed-off-by: Bryan Schumaker <bjschuma@gmail.com>
This commit is contained in:
Bryan Schumaker 2012-03-26 08:22:11 -04:00
parent acef058afa
commit 319d68e8d2
2 changed files with 31 additions and 0 deletions
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2
include/ocarina/playlist.h
View File

@ -31,6 +31,8 @@ namespace ocarina
void set_playlist(libsaria::Playlist *);
void prepare_for_removal();
void goto_index(unsigned int);
void insert_prepare();
void insert(libsaria::Track *, unsigned int);
void insert_done();

29
ocarina/playlist/playlist.cpp
View File

@ -55,6 +55,35 @@ namespace ocarina
body::switch_to_page(box);
}
void Playlist::goto_index(unsigned int index)
{
GtkTreeIter iter;
GtkTreePath *path;
GtkTreeViewColumn *col;
GdkRectangle area;
unsigned int height, n;
gtk_tree_model_get_iter_first(GTK_TREE_MODEL(liststore), &iter);
path = gtk_tree_model_get_path(GTK_TREE_MODEL(liststore), &iter);
col = gtk_tree_view_get_column(GTK_TREE_VIEW(treeview), 0);
gtk_tree_view_get_visible_rect(GTK_TREE_VIEW(treeview), &area);
height = area.height;
gtk_tree_view_get_cell_area(GTK_TREE_VIEW(treeview), path, col, &area);
n = height / area.height;
n = index - (n / 2);
for (unsigned int i = 0; i < n; i++)
gtk_tree_path_next(path);
gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), path, NULL, TRUE, 0, 0);
for (unsigned int i = 0; i < (index - n); i++)
gtk_tree_path_next(path);
gtk_tree_view_set_cursor_on_cell(GTK_TREE_VIEW(treeview), path, NULL, NULL, FALSE);
gtk_tree_path_free(path);
}
void Playlist::set_playlist(libsaria::Playlist *p)
{
libsaria::PlaylistRenderer::set_playlist(p);