X-Git-Url: http://git.tdb.fi/?p=ext%2Fsubsurface.git;a=blobdiff_plain;f=divelist.c;h=1c475afeab5b3896d2a614e3c4fdd56eb3272c30;hp=0cb03f3263cd4291f343c09634e064b7ec1833e2;hb=972669d6363c163ed6d3b737cbd6b1bd534f3d7b;hpb=38f92f780ac3a9345bcb34d297ade0eadbd903ea diff --git a/divelist.c b/divelist.c index 0cb03f3..1c475af 100644 --- a/divelist.c +++ b/divelist.c @@ -78,85 +78,21 @@ static void dump_model(GtkListStore *store) } #endif -static GList *selected_dives; -static int st_size = 0; - -gboolean is_in_st(int idx, int *atpos) -{ - int i; - - for (i = 0; i < amount_selected; i++) - if (selectiontracker[i] == idx) { - if (atpos) - *atpos = i; - return TRUE; - } - return FALSE; -} - #if DEBUG_SELECTION_TRACKING void dump_selection(void) { int i; + struct dive *dive; - printf("currently selected are "); - for (i = 0; i < amount_selected; i++) - printf("%d ", selectiontracker[i]); + printf("currently selected are %d dives:", amount_selected); + for (i = 0; (dive = get_dive(i)) != NULL; i++) { + if (dive->selected) + printf(" %d", i); + } printf("\n"); } #endif -void track_select(int idx) -{ - if (idx < 0) - return; - -#if DEBUG_SELECTION_TRACKING - printf("add %d to selection of %d entries\n", idx, amount_selected); -#endif - if (is_in_st(idx, NULL)) - return; - if (amount_selected >= st_size) { - selectiontracker = realloc(selectiontracker, dive_table.nr * sizeof(int)); - st_size = dive_table.nr; - } - selectiontracker[amount_selected] = idx; - amount_selected++; - if (amount_selected == 1) - selected_dive = idx; -#if DEBUG_SELECTION_TRACKING - printf("increased amount_selected to %d\n", amount_selected); - dump_selection(); -#endif -} - -void track_unselect(int idx) -{ - if (idx < 0) - return; - -#if DEBUG_SELECTION_TRACKING - printf("remove %d from selection of %d entries\n", idx, amount_selected); -#endif - int atpos; - - if (! is_in_st(idx, &atpos)) - return; - memmove(selectiontracker + atpos, - selectiontracker + atpos + 1, - (amount_selected - atpos - 1) * sizeof(int)); - amount_selected--; -#if DEBUG_SELECTION_TRACKING - printf("removed %d at pos %d and decreased amount_selected to %d\n", idx, atpos, amount_selected); - dump_selection(); -#endif -} - -void clear_tracker(void) -{ - amount_selected = 0; -} - /* 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) */ @@ -177,97 +113,137 @@ static void first_leaf(GtkTreeModel *model, GtkTreeIter *iter, int *diveidx) } } -/* 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; - gboolean expanded = FALSE; - GtkTreeIter parent; - GtkTreePath *tpath; - - memcpy(&parent, iter, sizeof(parent)); - - tpath = gtk_tree_model_get_path(model, &parent); - expanded = gtk_tree_view_row_expanded(GTK_TREE_VIEW(dive_list.tree_view), tpath); - 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 the parent is expanded, just (un)select the children and we'll - track their selection status in the callback - otherwise just change the selection status directly without - bothering gtk */ - if (expanded) { - if (was_selected) - gtk_tree_selection_unselect_iter(selection, iter); - else - gtk_tree_selection_select_iter(selection, iter); - } else { - int idx; - gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, -1); - if (was_selected) - track_unselect(idx); - else - track_select(idx); - } - } -} - /* make sure that if we expand a summary row that is selected, the children show up as selected, too */ void row_expanded_cb(GtkTreeView *tree_view, GtkTreeIter *iter, GtkTreePath *path, gpointer data) { + GtkTreeIter child; + GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model); GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view)); - if (gtk_tree_selection_path_is_selected(selection, path)) - select_children(GTK_TREE_MODEL(dive_list.model), selection, iter, FALSE); + if (!gtk_tree_model_iter_children(model, &child, iter)) + return; + + 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)); } -/* 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 */ +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; - int dive_idx; + GtkTreeIter iter, *p; - /* if gtk thinks nothing is selected we should clear out our - tracker as well - otherwise hidden selected rows can stay - "stuck". The down side is that we now have a different bug: - If you select a dive, collapse the dive trip and ctrl-click - another dive trip, the initial dive is no longer selected. - Just don't do that, ok? */ - if (gtk_tree_selection_count_selected_rows(selection) == 0) - clear_tracker(); + if (!gtk_tree_model_get_iter(model, &iter, path)) + return TRUE; - if (gtk_tree_model_get_iter(model, &iter, path)) { - gtk_tree_model_get(model, &iter, DIVE_INDEX, &dive_idx, -1); - /* turns out we need to move the selectiontracker here */ + /* 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; +} -#if DEBUG_SELECTION_TRACKING - printf("modify_selection_cb with idx %d (according to gtk was %sselected)\n", - dive_idx, was_selected ? "" : "un"); -#endif - if (dive_idx >= 0) { - if (was_selected) - track_unselect(dive_idx); - else - track_select(dive_idx); - } else { - select_children(model, selection, &iter, was_selected); - } +static void select_dive(struct dive *dive, int selected) +{ + if (dive->selected != selected) { + amount_selected += selected ? 1 : -1; + dive->selected = selected; } - /* allow this selection to proceed */ - return TRUE; +} + +/* + * 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 (!gtk_tree_model_iter_children(model, &child, iter)) + return; + + do { + int idx; + struct dive *dive; + + gtk_tree_model_get(model, &child, DIVE_INDEX, &idx, -1); + if (first && selected) + selected_dive = idx; + first = 0; + dive = get_dive(idx); + if (dive->selected == selected) + break; + + select_dive(dive, selected); + if (selected) + gtk_tree_selection_select_iter(selection, &child); + else + gtk_tree_selection_unselect_iter(selection, &child); + } while (gtk_tree_model_iter_next(model, &child)); +} + +/* + * This gets called _after_ the selections have changed, for each entry that + * may have changed. Check if the gtk selection state matches our internal + * selection state to verify. + * + * The group entries are at the end, this guarantees that we have handled + * all the dives before we handle groups. + */ +static void check_selection_cb(GtkTreeIter *iter, GtkTreeSelection *selection) +{ + GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model); + struct dive *dive; + int idx, gtk_selected; + + gtk_tree_model_get(model, iter, + DIVE_INDEX, &idx, + -1); + dive = get_dive(idx); + gtk_selected = gtk_tree_selection_iter_is_selected(selection, iter); + if (idx < 0) + select_dive_group(model, selection, iter, gtk_selected); + else { + select_dive(dive, gtk_selected); + if (gtk_selected) + selected_dive = idx; + } + gtk_tree_iter_free(iter); } /* this is called when gtk thinks that the selection has changed */ -static void selection_cb(GtkTreeSelection *selection, gpointer userdata) +static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model) { - process_selected_dives(selected_dives, selectiontracker, GTK_TREE_MODEL(dive_list.model)); + GList *changed = selection_changed; + + selection_changed = NULL; + g_list_foreach(changed, (GFunc) check_selection_cb, selection); + g_list_free(changed); +#if DEBUG_SELECTION_TRACKING + dump_selection(); +#endif + + process_selected_dives(); repaint_dive(); } @@ -1098,7 +1074,7 @@ void add_dive_cb(GtkWidget *menuitem, gpointer data) void edit_dive_cb(GtkWidget *menuitem, gpointer data) { - edit_multi_dive_info(amount_selected, selectiontracker); + edit_multi_dive_info(-1); } static void expand_all_cb(GtkWidget *menuitem, GtkTreeView *tree_view) @@ -1161,8 +1137,6 @@ static gboolean button_press_cb(GtkWidget *treeview, GdkEventButton *event, gpoi 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; @@ -1170,20 +1144,27 @@ 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, +static gboolean set_selected(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { - int i, idx; GtkTreeSelection *selection = GTK_TREE_SELECTION(data); + int idx, selected; + struct dive *dive; - 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; - } + gtk_tree_model_get(model, iter, + DIVE_INDEX, &idx, + -1); + if (idx < 0) { + GtkTreeIter child; + if (gtk_tree_model_iter_children(model, &child, iter)) + gtk_tree_model_get(model, &child, DIVE_INDEX, &idx, -1); + } + dive = get_dive(idx); + selected = dive && dive->selected; + if (selected) { + gtk_tree_view_expand_to_path(GTK_TREE_VIEW(dive_list.tree_view), path); + gtk_tree_selection_select_path(selection, path); + } return FALSE; } @@ -1236,20 +1217,9 @@ static void sort_column_change_cb(GtkTreeSortable *treeview, gpointer data) 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); - } + gtk_tree_model_foreach(GTK_TREE_MODEL(dive_list.model), set_selected, selection); } else { if (order != sortorder[colid]) { update_column_and_order(colid); @@ -1328,7 +1298,7 @@ GtkWidget *dive_list_create(void) g_signal_connect(dive_list.tree_view, "row-expanded", G_CALLBACK(row_expanded_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(selection, "changed", G_CALLBACK(selection_cb), dive_list.model); 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);