static GList *selected_dives;
static int *selectiontracker;
+/* when subsurface starts we want to have the last dive selected. So we simply
+ walk to the first leaf (and skip the summary entries - which have negative
+ DIVE_INDEX) */
+static void first_leaf(GtkTreeModel *model, GtkTreeIter *iter, int *diveidx)
+{
+ GtkTreeIter parent;
+ GtkTreePath *tpath;
+
+ while (*diveidx < 0) {
+ memcpy(&parent, iter, sizeof(parent));
+ tpath = gtk_tree_model_get_path(model, &parent);
+ if (!gtk_tree_model_iter_children(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_expand_row(GTK_TREE_VIEW(dive_list.tree_view), tpath, FALSE);
+ gtk_tree_model_get(GTK_TREE_MODEL(model), iter, DIVE_INDEX, diveidx, -1);
+ }
+}
+
+/* if we click on a summary dive, we actually want to select / unselect
+ all the dives "below" it */
+static void select_children(GtkTreeModel *model, GtkTreeSelection * selection,
+ GtkTreeIter *iter, gboolean was_selected)
+{
+ int i, nr_children;
+ GtkTreeIter parent;
+ GtkTreePath *tpath;
+
+ memcpy(&parent, iter, sizeof(parent));
+
+ tpath = gtk_tree_model_get_path(model, &parent);
+ if(!gtk_tree_view_row_expanded(GTK_TREE_VIEW(dive_list.tree_view), tpath))
+ gtk_tree_view_expand_row(GTK_TREE_VIEW(dive_list.tree_view), tpath, FALSE);
+
+ nr_children = gtk_tree_model_iter_n_children(model, &parent);
+ for (i = 0; i < nr_children; i++) {
+ gtk_tree_model_iter_nth_child(model, iter, &parent, i);
+ if (was_selected)
+ gtk_tree_selection_unselect_iter(selection, iter);
+ else
+ gtk_tree_selection_select_iter(selection, iter);
+ }
+}
+
+/* this is called _before_ the selection is changed, for every single entry;
+ * we simply have it call down the tree to make sure that summary items toggle
+ * their children */
+gboolean modify_selection_cb(GtkTreeSelection *selection, GtkTreeModel *model,
+ GtkTreePath *path, gboolean was_selected, gpointer userdata)
+{
+ GtkTreeIter iter;
+ int dive_idx;
+
+ if (gtk_tree_model_get_iter(model, &iter, path)) {
+ gtk_tree_model_get(model, &iter, DIVE_INDEX, &dive_idx, -1);
+ if (dive_idx < 0) {
+ select_children(model, selection, &iter, was_selected);
+ }
+ }
+ /* allow this selection to proceed */
+ return TRUE;
+}
+
+/* this is called when gtk thinks that the selection has changed */
static void selection_cb(GtkTreeSelection *selection, gpointer userdata)
{
GtkTreeIter iter;
selectiontracker = realloc(selectiontracker, nr_selected * sizeof(int));
switch (nr_selected) {
- case 0: /* keep showing the last selected dive */
+ case 0: /* there is no clear way to figure out which dive to show */
+ amount_selected = 0;
+ selected_dive = -1;
return;
case 1:
/* just pick that dive as selected */
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);
+ /* due to the way this callback gets invoked it is possible that
+ in the process of unselecting a summary dive we get here with
+ just one summary dive selected - ignore that case */
+ if (selected_dive < 0) {
+ amount_selected = 0;
+ return;
}
selectiontracker[0] = selected_dive;
repaint_dive();
}
return;
- default: /* multiple selections - what now? At this point I
- * don't want to change the selected dive unless
- * there is exactly one dive selected; not sure this
+ default: /* multiple selections - what now?
+ * We don't change the selected dive unless there is exactly one dive selected; not sure this
* is the most intuitive solution.
- * I do however want to keep around which dives have
- * been selected */
- /* TODO:
- this also does not handle the case if a summary row is selected;
- We should iterate and select all dives under that row */
+ * The dives that have been selected are processed */
amount_selected = g_list_length(selected_dives);
process_selected_dives(selected_dives, selectiontracker, GTK_TREE_MODEL(dive_list.model));
repaint_dive();
update_dive_list_units();
if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dive_list.model), &iter)) {
GtkTreeSelection *selection;
+
+ /* select the last dive (and make sure it's an actual dive that is selected) */
+ gtk_tree_model_get(GTK_TREE_MODEL(dive_list.model), &iter, DIVE_INDEX, &selected_dive, -1);
+ first_leaf(GTK_TREE_MODEL(dive_list.model), &iter, &selected_dive);
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
gtk_tree_selection_select_iter(selection, &iter);
selectiontracker = realloc(selectiontracker, sizeof(int));
- gtk_tree_model_get(GTK_TREE_MODEL(dive_list.model), &iter, DIVE_INDEX, selectiontracker, -1);
+ *selectiontracker = selected_dive;
}
}
unsigned int flags = col->flags;
int *visible = col->visible;
GtkWidget *tree_view = dl->tree_view;
- GtkTreeStore *model = dl->model;
+ GtkTreeStore *treemodel = dl->treemodel;
+ GtkTreeStore *listmodel = dl->listmodel;
GtkTreeViewColumn *ret;
if (visible && !*visible)
flags |= INVISIBLE;
ret = tree_view_column(tree_view, index, title, data_func, flags);
- if (sort_func)
- gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(model), index, sort_func, NULL, NULL);
+ if (sort_func) {
+ /* the sort functions are needed in the corresponding models */
+ if (index == DIVE_DATE)
+ gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(treemodel), index, sort_func, NULL, NULL);
+ else
+ gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(listmodel), index, sort_func, NULL, NULL);
+ }
return ret;
}
free(dive);
}
+void edit_dive_cb(GtkWidget *menuitem, gpointer data)
+{
+ edit_multi_dive_info(amount_selected, selectiontracker);
+}
+
static void popup_divelist_menu(GtkTreeView *tree_view, GtkTreeModel *model, int button)
{
GtkWidget *menu, *menuitem;
+ char editlabel[] = "Edit dives";
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);
+ if (amount_selected) {
+ if (amount_selected == 1)
+ editlabel[strlen(editlabel) - 1] = '\0';
+ menuitem = gtk_menu_item_new_with_label(editlabel);
+ g_signal_connect(menuitem, "activate", G_CALLBACK(edit_dive_cb), model);
+ gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
+ }
gtk_widget_show_all(menu);
gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
/* we need to have a temporary copy of the selected dives while
switching model as the selection_cb function keeps getting called
- by when gtk_tree_selection_select_path is 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.
}
+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. */
+ 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) {
- /* TODO
- we should remember the sort order we had for each column */
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));
- memcpy(oldselection, selectiontracker, amount_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));
- gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(dive_list.model), colid, order);
+
+ 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);
+ }
}
}
g_signal_connect(dive_list.listmodel, "sort-column-changed", G_CALLBACK(sort_column_change_cb), NULL);
g_signal_connect(dive_list.treemodel, "sort-column-changed", G_CALLBACK(sort_column_change_cb), NULL);
+ gtk_tree_selection_set_select_function(selection, modify_selection_cb, NULL, NULL);
+
dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
projects / ext / subsurface.git / blobdiff