struct DiveList {
GtkWidget *tree_view;
GtkWidget *container_widget;
- GtkTreeStore *model;
+ GtkTreeStore *model, *listmodel, *treemodel;
GtkTreeViewColumn *nr, *date, *stars, *depth, *duration, *location;
GtkTreeViewColumn *temperature, *cylinder, *nitrox, *sac, *otu;
int changed;
#endif
static GList *selected_dives;
+static int *selectiontracker;
-static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
+/* 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;
GtkTreePath *path;
g_list_free (selected_dives);
}
selected_dives = gtk_tree_selection_get_selected_rows(selection, NULL);
+ 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 */
amount_selected = 1;
path = g_list_nth_data(selected_dives, 0);
- if (gtk_tree_model_get_iter(model, &iter, path)) {
- gtk_tree_model_get(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(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_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(model, &iter, DIVE_INDEX, &selected_dive, -1);
+ 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);
+ /* 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 */
+ * The dives that have been selected are processed */
amount_selected = g_list_length(selected_dives);
- process_selected_dives(selected_dives, model);
+ process_selected_dives(selected_dives, selectiontracker, GTK_TREE_MODEL(dive_list.model));
repaint_dive();
return;
}
/*
* Set up anything that could have changed due to editing
- * of dive information
+ * of dive information; we need to do this for both models,
+ * so we simply call set_one_dive again with the non-current model
*/
+/* forward declaration for recursion */
+static gboolean set_one_dive(GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer data);
+
static void fill_one_dive(struct dive *dive,
GtkTreeModel *model,
GtkTreeIter *iter)
{
char *location, *cylinder;
+ GtkTreeStore *othermodel;
get_cylinder(dive, &cylinder);
get_location(dive, &location);
DIVE_SAC, dive->sac,
DIVE_OTU, dive->otu,
-1);
+ if (model == GTK_TREE_MODEL(dive_list.treemodel))
+ othermodel = dive_list.listmodel;
+ else
+ othermodel = dive_list.treemodel;
+ if (othermodel != dive_list.model)
+ /* recursive call */
+ gtk_tree_model_foreach(GTK_TREE_MODEL(othermodel), set_one_dive, dive);
}
static gboolean set_one_dive(GtkTreeModel *model,
{
int i, j;
GtkTreeIter iter, parent_iter[NEW_YR + 2], *parents[NEW_YR + 2] = {NULL, };
- GtkTreeStore *store;
+ GtkTreeStore *liststore, *treestore;
struct dive *last_dive = NULL;
time_t dive_date;
- store = GTK_TREE_STORE(dive_list.model);
+ treestore = GTK_TREE_STORE(dive_list.treemodel);
+ liststore = GTK_TREE_STORE(dive_list.listmodel);
i = dive_table.nr;
while (--i >= 0) {
for (j = NEW_YR; j >= NEW_DAY; j--) {
if (new_date(dive, &last_dive, j, &dive_date))
{
- gtk_tree_store_append(store, &parent_iter[j], parents[j+1]);
+ gtk_tree_store_append(treestore, &parent_iter[j], parents[j+1]);
parents[j] = &parent_iter[j];
- gtk_tree_store_set(store, parents[j],
+ gtk_tree_store_set(treestore, parents[j],
DIVE_INDEX, -j,
DIVE_NR, -j,
DIVE_DATE, dive_date,
}
}
update_cylinder_related_info(dive);
- gtk_tree_store_append(store, &iter, parents[NEW_DAY]);
- gtk_tree_store_set(store, &iter,
+ gtk_tree_store_append(treestore, &iter, parents[NEW_DAY]);
+ gtk_tree_store_set(treestore, &iter,
+ DIVE_INDEX, i,
+ DIVE_NR, dive->number,
+ DIVE_DATE, dive->when,
+ DIVE_DEPTH, dive->maxdepth,
+ DIVE_DURATION, dive->duration.seconds,
+ DIVE_LOCATION, dive->location,
+ DIVE_RATING, dive->rating,
+ DIVE_TEMPERATURE, dive->watertemp.mkelvin,
+ DIVE_SAC, 0,
+ -1);
+ gtk_tree_store_append(liststore, &iter, NULL);
+ gtk_tree_store_set(liststore, &iter,
DIVE_INDEX, i,
DIVE_NR, dive->number,
DIVE_DATE, dive->when,
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));
+ *selectiontracker = selected_dive;
}
}
void dive_list_update_dives(void)
{
- gtk_tree_store_clear(GTK_TREE_STORE(dive_list.model));
+ gtk_tree_store_clear(GTK_TREE_STORE(dive_list.treemodel));
+ gtk_tree_store_clear(GTK_TREE_STORE(dive_list.listmodel));
fill_dive_list();
repaint_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;
}
static void row_activated_cb(GtkTreeView *tree_view,
GtkTreePath *path,
GtkTreeViewColumn *column,
- GtkTreeModel *model)
+ gpointer userdata)
{
int index;
GtkTreeIter iter;
- if (!gtk_tree_model_get_iter(model, &iter, path))
+ if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(dive_list.model), &iter, path))
return;
- gtk_tree_model_get(model, &iter, DIVE_INDEX, &index, -1);
+ gtk_tree_model_get(GTK_TREE_MODEL(dive_list.model), &iter, DIVE_INDEX, &index, -1);
/* a negative index is special for the "group by date" entries */
if (index >= 0)
edit_dive_info(get_dive(index));
menu = gtk_menu_new();
menuitem = gtk_menu_item_new_with_label("Add dive");
- g_signal_connect(menuitem, "activate", G_CALLBACK(add_dive_cb), model);
+ 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);
button, gtk_get_current_event_time());
}
-static void popup_menu_cb(GtkTreeView *tree_view,
- GtkTreeModel *model)
+static void popup_menu_cb(GtkTreeView *tree_view, gpointer userdata)
{
- popup_divelist_menu(tree_view, model, 0);
+ popup_divelist_menu(tree_view, GTK_TREE_MODEL(dive_list.model), 0);
}
-static gboolean button_press_cb(GtkWidget *treeview, GdkEventButton *event, GtkTreeModel *model)
+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), model, 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);
+ }
+ }
+}
+
GtkWidget *dive_list_create(void)
{
GtkTreeSelection *selection;
- dive_list.model = gtk_tree_store_new(DIVELIST_COLUMNS,
+ dive_list.listmodel = gtk_tree_store_new(DIVELIST_COLUMNS,
+ G_TYPE_INT, /* index */
+ G_TYPE_INT, /* nr */
+ G_TYPE_INT, /* Date */
+ G_TYPE_INT, /* Star rating */
+ G_TYPE_INT, /* Depth */
+ G_TYPE_INT, /* Duration */
+ G_TYPE_INT, /* Temperature */
+ G_TYPE_STRING, /* Cylinder */
+ G_TYPE_INT, /* Nitrox */
+ G_TYPE_INT, /* SAC */
+ G_TYPE_INT, /* OTU */
+ G_TYPE_STRING /* Location */
+ );
+ dive_list.treemodel = gtk_tree_store_new(DIVELIST_COLUMNS,
G_TYPE_INT, /* index */
G_TYPE_INT, /* nr */
G_TYPE_INT, /* Date */
G_TYPE_INT, /* OTU */
G_TYPE_STRING /* Location */
);
+ dive_list.model = dive_list.treemodel;
dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
set_divelist_font(divelist_font);
NULL);
g_signal_connect_after(dive_list.tree_view, "realize", G_CALLBACK(realize_cb), NULL);
- g_signal_connect(dive_list.tree_view, "row-activated", G_CALLBACK(row_activated_cb), dive_list.model);
- g_signal_connect(dive_list.tree_view, "button-press-event", G_CALLBACK(button_press_cb), dive_list.model);
- g_signal_connect(dive_list.tree_view, "popup-menu", G_CALLBACK(popup_menu_cb), dive_list.model);
- g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
+ g_signal_connect(dive_list.tree_view, "row-activated", G_CALLBACK(row_activated_cb), NULL);
+ g_signal_connect(dive_list.tree_view, "button-press-event", G_CALLBACK(button_press_cb), NULL);
+ g_signal_connect(dive_list.tree_view, "popup-menu", G_CALLBACK(popup_menu_cb), NULL);
+ g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), NULL);
+ 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),
projects / ext / subsurface.git / blobdiff