+ }
+ free(dive);
+}
+
+static void popup_divelist_menu(GtkTreeView *tree_view, GtkTreeModel *model, int button)
+{
+ GtkWidget *menu, *menuitem;
+
+ menu = gtk_menu_new();
+ menuitem = gtk_menu_item_new_with_label("Add dive");
+ g_signal_connect(menuitem, "activate", G_CALLBACK(add_dive_cb), NULL);
+ gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
+ gtk_widget_show_all(menu);
+
+ gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
+ button, gtk_get_current_event_time());
+}
+
+static void popup_menu_cb(GtkTreeView *tree_view, gpointer userdata)
+{
+ popup_divelist_menu(tree_view, GTK_TREE_MODEL(dive_list.model), 0);
+}
+
+static gboolean button_press_cb(GtkWidget *treeview, GdkEventButton *event, gpointer userdata)
+{
+ /* Right-click? Bring up the menu */
+ if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
+ popup_divelist_menu(GTK_TREE_VIEW(treeview), GTK_TREE_MODEL(dive_list.model), 3);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/* we need to have a temporary copy of the selected dives while
+ switching model as the selection_cb function keeps getting called
+ when gtk_tree_selection_select_path is called. We also need to
+ keep copies of the sort order so we can restore that as well after
+ switching models. */
+static int *oldselection;
+static int old_nr_selected;
+static gboolean second_call = FALSE;
+static GtkSortType sortorder[] = { [0 ... DIVELIST_COLUMNS - 1] = GTK_SORT_DESCENDING, };
+static int lastcol = DIVE_DATE;
+
+/* Check if this dive was selected previously and select it again in the new model;
+ * This is used after we switch models to maintain consistent selections.
+ * We always return FALSE to iterate through all dives */
+static gboolean select_selected(GtkTreeModel *model, GtkTreePath *path,
+ GtkTreeIter *iter, gpointer data)
+{
+ int i, idx;
+ GtkTreeSelection *selection = GTK_TREE_SELECTION(data);
+
+ gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, -1);
+ for (i = 0; i < old_nr_selected; i++)
+ if (oldselection[i] == idx) {
+ gtk_tree_view_expand_to_path(GTK_TREE_VIEW(dive_list.tree_view), path);
+ gtk_tree_selection_select_path(selection, path);
+
+ return FALSE;
+ }
+ return FALSE;
+
+}
+
+static void update_column_and_order(int colid)
+{
+ /* Careful: the index into treecolumns is off by one as we don't have a
+ tree_view column for DIVE_INDEX */
+ GtkTreeViewColumn **treecolumns = &dive_list.nr;
+
+ /* this will trigger a second call into sort_column_change_cb,
+ so make sure we don't start an infinite recursion... */
+ second_call = TRUE;
+ gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(dive_list.model), colid, sortorder[colid]);
+ gtk_tree_view_column_set_sort_order(treecolumns[colid - 1], sortorder[colid]);
+ second_call = FALSE;
+}
+
+/* If the sort column is date (default), show the tree model.
+ For every other sort column only show the list model.
+ If the model changed, inform the new model of the chosen sort column and make
+ sure the same dives are still selected.
+
+ The challenge with this function is that once we change the model
+ we also need to change the sort column again (as it was changed in
+ the other model) and that causes this function to be called
+ recursively - so we need to catch that.
+*/
+static void sort_column_change_cb(GtkTreeSortable *treeview, gpointer data)
+{
+ int colid;
+ GtkSortType order;
+ GtkTreeStore *currentmodel = dive_list.model;
+
+ if (second_call)
+ return;
+
+ gtk_tree_sortable_get_sort_column_id(treeview, &colid, &order);
+ if(colid == lastcol) {
+ /* we just changed sort order */
+ sortorder[colid] = order;
+ return;
+ } else {
+ lastcol = colid;
+ }
+ if(colid == DIVE_DATE)
+ dive_list.model = dive_list.treemodel;
+ else
+ dive_list.model = dive_list.listmodel;
+ if (dive_list.model != currentmodel) {
+ GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
+
+ /* remember what is currently selected, switch models and reselect the selected rows */
+ old_nr_selected = amount_selected;
+ oldselection = malloc(old_nr_selected * sizeof(int));
+ if (amount_selected)
+ memcpy(oldselection, selectiontracker, amount_selected * sizeof(int));
+ gtk_tree_view_set_model(GTK_TREE_VIEW(dive_list.tree_view), GTK_TREE_MODEL(dive_list.model));
+
+ update_column_and_order(colid);
+
+ if (old_nr_selected) {
+ /* we need to select all the dives that were selected */
+ /* this is fundamentally an n^2 algorithm as implemented - YUCK */
+ gtk_tree_model_foreach(GTK_TREE_MODEL(dive_list.model), select_selected, selection);
+ }
+ } else {
+ if (order != sortorder[colid]) {
+ update_column_and_order(colid);
+ }
+ }