- case 1:
- /* just pick that dive as selected */
- amount_selected = 1;
- path = g_list_nth_data(selected_dives, 0);
- if (gtk_tree_model_get_iter(GTK_TREE_MODEL(dive_list.model), &iter, path)) {
- gtk_tree_model_get(GTK_TREE_MODEL(dive_list.model), &iter, DIVE_INDEX, &selected_dive, -1);
- /* a negative index means we picked a summary entry;
- expand that entry and use first real child instead */
- while (selected_dive < 0) {
- GtkTreeIter parent;
- GtkTreePath *tpath;
- memcpy(&parent, &iter, sizeof(parent));
- tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(dive_list.model), &parent);
- if (!gtk_tree_model_iter_children(GTK_TREE_MODEL(dive_list.model), &iter, &parent))
- /* we should never have a parent without child */
- return;
- if(gtk_tree_view_row_expanded(GTK_TREE_VIEW(dive_list.tree_view), tpath))
- gtk_tree_view_collapse_row(GTK_TREE_VIEW(dive_list.tree_view), tpath);
- else
- gtk_tree_view_expand_row(GTK_TREE_VIEW(dive_list.tree_view), tpath, FALSE);
- gtk_tree_model_get(GTK_TREE_MODEL(dive_list.model), &iter, DIVE_INDEX, &selected_dive, -1);
- }
- selectiontracker[0] = selected_dive;
- repaint_dive();
- }
+
+ do {
+ int idx;
+ struct dive *dive;
+
+ gtk_tree_model_get(model, &child, DIVE_INDEX, &idx, -1);
+ dive = get_dive(idx);
+
+ if (dive->selected)
+ gtk_tree_selection_select_iter(selection, &child);
+ else
+ gtk_tree_selection_unselect_iter(selection, &child);
+ } while (gtk_tree_model_iter_next(model, &child));
+}
+
+static int selected_children(GtkTreeModel *model, GtkTreeIter *iter)
+{
+ GtkTreeIter child;
+
+ if (!gtk_tree_model_iter_children(model, &child, iter))
+ return FALSE;
+
+ do {
+ int idx;
+ struct dive *dive;
+
+ gtk_tree_model_get(model, &child, DIVE_INDEX, &idx, -1);
+ dive = get_dive(idx);
+
+ if (dive->selected)
+ return TRUE;
+ } while (gtk_tree_model_iter_next(model, &child));
+ return FALSE;
+}
+
+/* Make sure that if we collapse a summary row with any selected children, the row
+ shows up as selected too */
+void row_collapsed_cb(GtkTreeView *tree_view, GtkTreeIter *iter, GtkTreePath *path, gpointer data)
+{
+ GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
+ GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
+
+ if (selected_children(model, iter))
+ gtk_tree_selection_select_iter(selection, iter);
+}
+
+static GList *selection_changed = NULL;
+
+/*
+ * This is called _before_ the selection is changed, for every single entry;
+ *
+ * We simply create a list of all changed entries, and make sure that the
+ * group entries go at the end of the list.
+ */
+gboolean modify_selection_cb(GtkTreeSelection *selection, GtkTreeModel *model,
+ GtkTreePath *path, gboolean was_selected, gpointer userdata)
+{
+ GtkTreeIter iter, *p;
+
+ if (!gtk_tree_model_get_iter(model, &iter, path))
+ return TRUE;
+
+ /* Add the group entries to the end */
+ p = gtk_tree_iter_copy(&iter);
+ if (gtk_tree_model_iter_has_child(model, p))
+ selection_changed = g_list_append(selection_changed, p);
+ else
+ selection_changed = g_list_prepend(selection_changed, p);
+ return TRUE;
+}
+
+static void select_dive(struct dive *dive, int selected)
+{
+ if (dive->selected != selected) {
+ amount_selected += selected ? 1 : -1;
+ dive->selected = selected;
+ }
+}
+
+/*
+ * This gets called when a dive group has changed selection.
+ */
+static void select_dive_group(GtkTreeModel *model, GtkTreeSelection *selection, GtkTreeIter *iter, int selected)
+{
+ int first = 1;
+ GtkTreeIter child;
+
+ if (selected == selected_children(model, iter))