/* * Copyright (C) 2002 Jorn Baayen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * $Id$ */ #include #include #include #include #include #include #include #include #include "ephy-node-view.h" #include "ephy-tree-model-sort.h" #include "eggtreemultidnd.h" #include "ephy-dnd.h" #include "ephy-marshal.h" #include "string.h" static void ephy_node_view_class_init (EphyNodeViewClass *klass); static void ephy_node_view_init (EphyNodeView *view); static void ephy_node_view_finalize (GObject *object); static void ephy_node_view_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void ephy_node_view_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); #define EPHY_NODE_VIEW_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_NODE_VIEW, EphyNodeViewPrivate)) struct EphyNodeViewPrivate { EphyNode *root; EphyTreeModelNode *nodemodel; GtkTreeModel *filtermodel; GtkTreeModel *sortmodel; GtkCellRenderer *editable_renderer; GtkTreeViewColumn *editable_column; EphyTreeModelNodeColumn editable_node_column; EphyNodeFilter *filter; GtkTargetList *drag_targets; int default_sort_column_id; int priority_prop_id; gboolean editing; int editable_property; int searchable_data_column; gboolean drag_started; int drag_button; int drag_x; int drag_y; GtkTargetList *source_target_list; gboolean drop_occurred; gboolean have_drag_data; GtkSelectionData *drag_data; guint scroll_id; }; enum { NODE_ACTIVATED, NODE_SELECTED, NODE_DROPPED, SHOW_POPUP, LAST_SIGNAL }; enum { PROP_0, PROP_ROOT, PROP_FILTER }; #define AUTO_SCROLL_MARGIN 20 static GObjectClass *parent_class = NULL; static guint ephy_node_view_signals[LAST_SIGNAL] = { 0 }; GType ephy_node_view_get_type (void) { static GType ephy_node_view_type = 0; if (ephy_node_view_type == 0) { static const GTypeInfo our_info = { sizeof (EphyNodeViewClass), NULL, NULL, (GClassInitFunc) ephy_node_view_class_init, NULL, NULL, sizeof (EphyNodeView), 0, (GInstanceInitFunc) ephy_node_view_init }; ephy_node_view_type = g_type_register_static (GTK_TYPE_TREE_VIEW, "EphyNodeView", &our_info, 0); } return ephy_node_view_type; } static void ephy_node_view_class_init (EphyNodeViewClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); parent_class = g_type_class_peek_parent (klass); object_class->finalize = ephy_node_view_finalize; object_class->set_property = ephy_node_view_set_property; object_class->get_property = ephy_node_view_get_property; g_object_class_install_property (object_class, PROP_ROOT, g_param_spec_pointer ("root", "Root node", "Root node", G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_FILTER, g_param_spec_object ("filter", "Filter object", "Filter object", EPHY_TYPE_NODE_FILTER, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); ephy_node_view_signals[NODE_ACTIVATED] = g_signal_new ("node_activated", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EphyNodeViewClass, node_activated), NULL, NULL, g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_POINTER); ephy_node_view_signals[NODE_SELECTED] = g_signal_new ("node_selected", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EphyNodeViewClass, node_selected), NULL, NULL, g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_POINTER); ephy_node_view_signals[NODE_DROPPED] = g_signal_new ("node_dropped", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EphyNodeViewClass, node_dropped), NULL, NULL, ephy_marshal_VOID__POINTER_POINTER, G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER); ephy_node_view_signals[SHOW_POPUP] = g_signal_new ("show_popup", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EphyNodeViewClass, show_popup), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); g_type_class_add_private (object_class, sizeof (EphyNodeViewPrivate)); } static void ephy_node_view_finalize (GObject *object) { EphyNodeView *view = EPHY_NODE_VIEW (object); g_object_unref (G_OBJECT (view->priv->sortmodel)); g_object_unref (G_OBJECT (view->priv->filtermodel)); g_object_unref (G_OBJECT (view->priv->nodemodel)); if (view->priv->source_target_list) { gtk_target_list_unref (view->priv->source_target_list); } G_OBJECT_CLASS (parent_class)->finalize (object); } static EphyNode * get_node_from_path (EphyNodeView *view, GtkTreePath *path) { EphyNode *node; GtkTreeIter iter, iter2; if (path == NULL) return NULL; gtk_tree_model_get_iter (view->priv->sortmodel, &iter, path); gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (view->priv->sortmodel), &iter2, &iter); gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (view->priv->filtermodel), &iter, &iter2); node = ephy_tree_model_node_node_from_iter (view->priv->nodemodel, &iter); return node; } static void gtk_tree_view_vertical_autoscroll (GtkTreeView *tree_view) { GdkRectangle visible_rect; GtkAdjustment *vadjustment; GdkWindow *window; int y; int offset; float value; window = gtk_tree_view_get_bin_window (tree_view); vadjustment = gtk_tree_view_get_vadjustment (tree_view); gdk_window_get_pointer (window, NULL, &y, NULL); y += vadjustment->value; gtk_tree_view_get_visible_rect (tree_view, &visible_rect); offset = y - (visible_rect.y + 2 * AUTO_SCROLL_MARGIN); if (offset > 0) { offset = y - (visible_rect.y + visible_rect.height - 2 * AUTO_SCROLL_MARGIN); if (offset < 0) { return; } } value = CLAMP (vadjustment->value + offset, 0.0, vadjustment->upper - vadjustment->page_size); gtk_adjustment_set_value (vadjustment, value); } static int scroll_timeout (gpointer data) { GtkTreeView *tree_view = GTK_TREE_VIEW (data); gtk_tree_view_vertical_autoscroll (tree_view); return TRUE; } static void remove_scroll_timeout (EphyNodeView *view) { if (view->priv->scroll_id) { g_source_remove (view->priv->scroll_id); view->priv->scroll_id = 0; } } static void set_drag_dest_row (EphyNodeView *view, GtkTreePath *path) { if (path) { gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (view), path, GTK_TREE_VIEW_DROP_INTO_OR_BEFORE); } else { gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (view), NULL, 0); } } static void clear_drag_dest_row (EphyNodeView *view) { gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (view), NULL, 0); } static void get_drag_data (EphyNodeView *view, GdkDragContext *context, guint32 time) { GdkAtom target; target = gtk_drag_dest_find_target (GTK_WIDGET (view), context, NULL); gtk_drag_get_data (GTK_WIDGET (view), context, target, time); } static void free_drag_data (EphyNodeView *view) { view->priv->have_drag_data = FALSE; if (view->priv->drag_data) { gtk_selection_data_free (view->priv->drag_data); view->priv->drag_data = NULL; } } static gboolean drag_motion_cb (GtkWidget *widget, GdkDragContext *context, int x, int y, guint32 time, EphyNodeView *view) { EphyNode *node; GdkAtom target; GtkTreePath *path; GtkTreeViewDropPosition pos; guint action = 0; int priority; gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget), x, y, &path, &pos); if (!view->priv->have_drag_data) { get_drag_data (view, context, time); } target = gtk_drag_dest_find_target (widget, context, NULL); node = get_node_from_path (view, path); if (target != GDK_NONE && node != NULL) { priority = ephy_node_get_property_int (node, view->priv->priority_prop_id); if (priority != EPHY_NODE_VIEW_ALL_PRIORITY && priority != EPHY_NODE_VIEW_SPECIAL_PRIORITY) { action = context->suggested_action; } } if (action) { set_drag_dest_row (view, path); } else { clear_drag_dest_row (view); } if (path) { gtk_tree_path_free (path); } if (view->priv->scroll_id == 0) { view->priv->scroll_id = g_timeout_add (150, scroll_timeout, GTK_TREE_VIEW (view)); } gdk_drag_status (context, action, time); return TRUE; } static void drag_leave_cb (GtkWidget *widget, GdkDragContext *context, guint32 time, EphyNodeView *view) { clear_drag_dest_row (view); free_drag_data (view); remove_scroll_timeout (view); } static void drag_data_received_cb (GtkWidget *widget, GdkDragContext *context, int x, int y, GtkSelectionData *selection_data, guint info, guint32 time, EphyNodeView *view) { GtkTreeViewDropPosition pos; /* x and y here are valid only on drop ! */ if (selection_data->length <= 0 || selection_data->data == NULL) { return; } if (!view->priv->have_drag_data) { view->priv->have_drag_data = TRUE; view->priv->drag_data = gtk_selection_data_copy (selection_data); } if (view->priv->drop_occurred) { EphyNode *node; GList *uris; gboolean success = FALSE; GtkTreePath *path; gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget), x, y, &path, &pos); g_return_if_fail (path != NULL); node = get_node_from_path (view, path); uris = gnome_vfs_uri_list_parse (selection_data->data); if (uris != NULL) { /* FIXME fill success */ g_signal_emit (G_OBJECT (view), ephy_node_view_signals[NODE_DROPPED], 0, node, uris); gnome_vfs_uri_list_free (uris); } view->priv->drop_occurred = FALSE; free_drag_data (view); gtk_drag_finish (context, success, FALSE, time); if (path) { gtk_tree_path_free (path); } } /* appease GtkTreeView by preventing its drag_data_receive * from being called */ g_signal_stop_emission_by_name (GTK_TREE_VIEW (view), "drag_data_received"); } static gboolean drag_drop_cb (GtkWidget *widget, GdkDragContext *context, int x, int y, guint32 time, EphyNodeView *view) { view->priv->drop_occurred = TRUE; get_drag_data (view, context, time); remove_scroll_timeout (view); clear_drag_dest_row (view); return TRUE; } void ephy_node_view_enable_drag_dest (EphyNodeView *view, GtkTargetEntry *types, int n_types) { GtkWidget *treeview; g_return_if_fail (view != NULL); treeview = GTK_WIDGET (view); gtk_drag_dest_set (GTK_WIDGET (treeview), 0, types, n_types, GDK_ACTION_COPY); view->priv->drag_targets = gtk_target_list_new (types, n_types); g_signal_connect (treeview, "drag_data_received", G_CALLBACK (drag_data_received_cb), view); g_signal_connect (treeview, "drag_drop", G_CALLBACK (drag_drop_cb), view); g_signal_connect (treeview, "drag_motion", G_CALLBACK (drag_motion_cb), view); g_signal_connect (treeview, "drag_leave", G_CALLBACK (drag_leave_cb), view); } static void filter_changed_cb (EphyNodeFilter *filter, EphyNodeView *view) { GtkWidget *window; g_return_if_fail (EPHY_IS_NODE_VIEW (view)); window = gtk_widget_get_toplevel (GTK_WIDGET (view)); if (window != NULL && window->window != NULL) { /* nice busy cursor */ GdkCursor *cursor; cursor = gdk_cursor_new (GDK_WATCH); gdk_window_set_cursor (window->window, cursor); gdk_cursor_unref (cursor); gdk_flush (); gdk_window_set_cursor (window->window, NULL); /* no flush: this will cause the cursor to be reset * only when the UI is free again */ } } static void ephy_node_view_selection_changed_cb (GtkTreeSelection *selection, EphyNodeView *view) { GList *list; EphyNode *node = NULL; list = ephy_node_view_get_selection (view); if (list) { node = list->data; } g_list_free (list); g_signal_emit (G_OBJECT (view), ephy_node_view_signals[NODE_SELECTED], 0, node); } static void ephy_node_view_row_activated_cb (GtkTreeView *treeview, GtkTreePath *path, GtkTreeViewColumn *column, EphyNodeView *view) { GtkTreeIter iter, iter2; EphyNode *node; gtk_tree_model_get_iter (view->priv->sortmodel, &iter, path); gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (view->priv->sortmodel), &iter2, &iter); gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (view->priv->filtermodel), &iter, &iter2); node = ephy_tree_model_node_node_from_iter (view->priv->nodemodel, &iter); g_signal_emit (G_OBJECT (view), ephy_node_view_signals[NODE_ACTIVATED], 0, node); } static gboolean ephy_node_view_select_node_by_key (EphyNodeView *view, GdkEventKey *event) { GtkTreeIter iter, last_iter; GtkTreePath *path; GValue value = {0, }; gchar *string; gchar *event_string; gboolean found = FALSE; gchar outbuf[6]; gint length; length = g_unichar_to_utf8 (gdk_keyval_to_unicode (event->keyval), outbuf); event_string = g_utf8_casefold (outbuf, length); if (!gtk_tree_model_get_iter_first (view->priv->sortmodel, &iter)) { g_free (event_string); return FALSE; } do { last_iter = iter; gtk_tree_model_get_value (view->priv->sortmodel, &iter, view->priv->searchable_data_column, &value); string = g_utf8_casefold (g_value_get_string (&value), -1); g_utf8_strncpy (string, string, 1); found = (g_utf8_collate (string, event_string) >= 0); g_free (string); g_value_unset (&value); } while (!found && gtk_tree_model_iter_next (view->priv->sortmodel, &iter)); if (!found) { iter = last_iter; } path = gtk_tree_model_get_path (view->priv->sortmodel, &iter); gtk_tree_view_set_cursor (GTK_TREE_VIEW (view), path, NULL, FALSE); gtk_tree_path_free (path); g_free (event_string); return TRUE; } static gboolean ephy_node_view_key_press_cb (GtkTreeView *treeview, GdkEventKey *event, EphyNodeView *view) { if ((event->state & GDK_SHIFT_MASK) && (event->keyval == GDK_F10)) { g_signal_emit (G_OBJECT (view), ephy_node_view_signals[SHOW_POPUP], 0); return TRUE; } else if (view->priv->searchable_data_column != -1 && gdk_keyval_to_unicode (event->keyval)) { return ephy_node_view_select_node_by_key (view, event); } return FALSE; } static void selection_foreach (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { GList **list; list = (GList**)data; *list = g_list_prepend (*list, gtk_tree_row_reference_new (model, path)); } static GList * get_selection_refs (GtkTreeView *tree_view) { GtkTreeSelection *selection; GList *ref_list; ref_list = NULL; selection = gtk_tree_view_get_selection (tree_view); gtk_tree_selection_selected_foreach (selection, selection_foreach, &ref_list); ref_list = g_list_reverse (ref_list); return ref_list; } static void ref_list_free (GList *ref_list) { g_list_foreach (ref_list, (GFunc) gtk_tree_row_reference_free, NULL); g_list_free (ref_list); } static void stop_drag_check (EphyNodeView *view) { view->priv->drag_button = 0; } static gboolean button_event_modifies_selection (GdkEventButton *event) { return (event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) != 0; } static void did_not_drag (EphyNodeView *view, GdkEventButton *event) { GtkTreeView *tree_view; GtkTreeSelection *selection; GtkTreePath *path; tree_view = GTK_TREE_VIEW (view); selection = gtk_tree_view_get_selection (tree_view); if (gtk_tree_view_get_path_at_pos (tree_view, event->x, event->y, &path, NULL, NULL, NULL)) { if((event->button == 1 || event->button == 2) && gtk_tree_selection_path_is_selected (selection, path) && !button_event_modifies_selection (event)) { gtk_tree_selection_unselect_all (selection); gtk_tree_selection_select_path (selection, path); } gtk_tree_path_free (path); } } static void drag_data_get_cb (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data, guint info, guint time) { GtkTreeView *tree_view; GtkTreeModel *model; GList *ref_list; tree_view = GTK_TREE_VIEW (widget); model = gtk_tree_view_get_model (tree_view); g_return_if_fail (model != NULL); ref_list = g_object_get_data (G_OBJECT (context), "drag-info"); if (ref_list == NULL) { return; } if (EGG_IS_TREE_MULTI_DRAG_SOURCE (model)) { egg_tree_multi_drag_source_drag_data_get (EGG_TREE_MULTI_DRAG_SOURCE (model), ref_list, selection_data); } } static gboolean button_release_cb (GtkWidget *widget, GdkEventButton *event, EphyNodeView *view) { if (event->button == view->priv->drag_button) { stop_drag_check (view); if (!view->priv->drag_started) { did_not_drag (view, event); return TRUE; } } return FALSE; } static gboolean motion_notify_cb (GtkWidget *widget, GdkEventMotion *event, EphyNodeView *view) { GdkDragContext *context; GList *ref_list; if (event->window != gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget))) { return FALSE; } if (view->priv->drag_button != 0) { if (gtk_drag_check_threshold (widget, view->priv->drag_x, view->priv->drag_y, event->x, event->y)) { context = gtk_drag_begin (widget, view->priv->source_target_list, GDK_ACTION_COPY, view->priv->drag_button, (GdkEvent*)event); stop_drag_check (view); view->priv->drag_started = TRUE; ref_list = get_selection_refs (GTK_TREE_VIEW (widget)); g_object_set_data_full (G_OBJECT (context), "drag-info", ref_list, (GDestroyNotify)ref_list_free); gtk_drag_set_icon_default (context); } } return TRUE; } static gboolean ephy_node_view_button_press_cb (GtkWidget *treeview, GdkEventButton *event, EphyNodeView *view) { GtkTreePath *path = NULL; GtkTreeSelection *selection; gboolean call_parent = TRUE, path_is_selected; selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)); if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview), event->x, event->y, &path, NULL, NULL, NULL)) { path_is_selected = gtk_tree_selection_path_is_selected (selection, path); if (!gtk_widget_is_focus (GTK_WIDGET (treeview))) { gtk_widget_grab_focus (GTK_WIDGET (treeview)); } if (event->button == 3 && path_is_selected) { call_parent = FALSE; } if(!button_event_modifies_selection (event) && event->button == 1 && path_is_selected && gtk_tree_selection_count_selected_rows (selection) > 1) { call_parent = FALSE; } if (call_parent) { GTK_WIDGET_CLASS (parent_class)->button_press_event (treeview, event); } if (event->button == 3) { g_signal_emit (G_OBJECT (view), ephy_node_view_signals[SHOW_POPUP], 0); } else if (event->button == 1) { view->priv->drag_started = FALSE; view->priv->drag_button = event->button; view->priv->drag_x = event->x; view->priv->drag_y = event->y; } gtk_tree_path_free (path); } else { gtk_tree_selection_unselect_all (selection); } return TRUE; } static void ephy_node_view_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { EphyNodeView *view = EPHY_NODE_VIEW (object); switch (prop_id) { case PROP_ROOT: view->priv->root = g_value_get_pointer (value); break; case PROP_FILTER: view->priv->filter = g_value_get_object (value); if (view->priv->filter != NULL) { g_signal_connect_object (G_OBJECT (view->priv->filter), "changed", G_CALLBACK (filter_changed_cb), G_OBJECT (view), 0); } break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void ephy_node_view_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { EphyNodeView *view = EPHY_NODE_VIEW (object); switch (prop_id) { case PROP_ROOT: g_value_set_pointer (value, view->priv->root); break; case PROP_FILTER: g_value_set_object (value, view->priv->filter); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void ephy_node_view_construct (EphyNodeView *view) { GtkTreeSelection *selection; view->priv->nodemodel = ephy_tree_model_node_new (view->priv->root, view->priv->filter); view->priv->filtermodel = gtk_tree_model_filter_new (GTK_TREE_MODEL (view->priv->nodemodel), NULL); gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (view->priv->filtermodel), EPHY_TREE_MODEL_NODE_COL_VISIBLE); view->priv->sortmodel = ephy_tree_model_sort_new (view->priv->filtermodel); gtk_tree_view_set_model (GTK_TREE_VIEW (view), GTK_TREE_MODEL (view->priv->sortmodel)); g_signal_connect_object (G_OBJECT (view), "button_press_event", G_CALLBACK (ephy_node_view_button_press_cb), view, 0); g_signal_connect_after (G_OBJECT (view), "key_press_event", G_CALLBACK (ephy_node_view_key_press_cb), view); g_signal_connect_object (G_OBJECT (view), "row_activated", G_CALLBACK (ephy_node_view_row_activated_cb), view, 0); selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view)); gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE); g_signal_connect_object (G_OBJECT (selection), "changed", G_CALLBACK (ephy_node_view_selection_changed_cb), view, 0); } GtkWidget * ephy_node_view_new (EphyNode *root, EphyNodeFilter *filter) { EphyNodeView *view; view = EPHY_NODE_VIEW (g_object_new (EPHY_TYPE_NODE_VIEW, "filter", filter, "root", root, NULL)); ephy_node_view_construct (view); g_return_val_if_fail (view->priv != NULL, NULL); return GTK_WIDGET (view); } static void cell_renderer_edited (GtkCellRendererText *cell, const char *path_str, const char *new_text, EphyNodeView *view) { GValue value = { 0, }; GtkTreePath *path; GtkTreeIter iter, iter2; EphyNode *node; view->priv->editing = FALSE; g_object_set (G_OBJECT (view->priv->editable_renderer), "editable", FALSE, NULL); path = gtk_tree_path_new_from_string (path_str); gtk_tree_model_get_iter (view->priv->sortmodel, &iter, path); gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (view->priv->sortmodel), &iter2, &iter); gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (view->priv->filtermodel), &iter, &iter2); node = ephy_tree_model_node_node_from_iter (view->priv->nodemodel, &iter); g_value_init (&value, G_TYPE_STRING); g_value_set_string (&value, new_text); ephy_node_set_property (node, view->priv->editable_property, &value); g_value_unset (&value); gtk_tree_path_free (path); } static int compare_string_values (const GValue *a_value, const GValue *b_value) { const char *str1, *str2; int retval; str1 = g_value_get_string (a_value); str2 = g_value_get_string (b_value); if (str1 == NULL) { retval = -1; } else if (str2 == NULL) { retval = 1; } else { char *str_a; char *str_b; str_a = g_utf8_casefold (str1, -1); str_b = g_utf8_casefold (str2, -1); retval = g_utf8_collate (str_a, str_b); g_free (str_a); g_free (str_b); } return retval; } static int ephy_node_view_sort_func (GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer user_data) { GList *order; GList *l; int retval = 0; g_return_val_if_fail (model != NULL, 0); g_return_val_if_fail (user_data != NULL, 0); order = (GList *) user_data; for (l = order; l != NULL && retval == 0; l = g_list_next (l)) { EphyTreeModelNodeColumn column = GPOINTER_TO_INT (l->data); GType type = gtk_tree_model_get_column_type (model, column); GValue a_value = {0, }; GValue b_value = {0, }; gtk_tree_model_get_value (model, a, column, &a_value); gtk_tree_model_get_value (model, b, column, &b_value); switch (G_TYPE_FUNDAMENTAL (type)) { case G_TYPE_STRING: retval = compare_string_values (&a_value, &b_value); break; case G_TYPE_INT: if (g_value_get_int (&a_value) < g_value_get_int (&b_value)) retval = -1; else if (g_value_get_int (&a_value) == g_value_get_int (&b_value)) retval = 0; else retval = 1; break; case G_TYPE_BOOLEAN: if (g_value_get_boolean (&a_value) < g_value_get_boolean (&b_value)) retval = -1; else if (g_value_get_boolean (&a_value) == g_value_get_boolean (&b_value)) retval = 0; else retval = 1; break; default: g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type)); break; } g_value_unset (&a_value); g_value_unset (&b_value); } return retval; } static void provide_priority (EphyNode *node, GValue *value, EphyNodeView *view) { int priority; g_value_init (value, G_TYPE_INT); priority = ephy_node_get_property_int (node, view->priv->priority_prop_id); if (priority == EPHY_NODE_VIEW_ALL_PRIORITY || priority == EPHY_NODE_VIEW_SPECIAL_PRIORITY) g_value_set_int (value, priority); else g_value_set_int (value, EPHY_NODE_VIEW_NORMAL_PRIORITY); } static void provide_text_weight (EphyNode *node, GValue *value, EphyNodeView *view) { int priority; g_value_init (value, G_TYPE_INT); priority = ephy_node_get_property_int (node, view->priv->priority_prop_id); if (priority == EPHY_NODE_VIEW_ALL_PRIORITY || priority == EPHY_NODE_VIEW_SPECIAL_PRIORITY) { g_value_set_int (value, PANGO_WEIGHT_BOLD); } else { g_value_set_int (value, PANGO_WEIGHT_NORMAL); } } int ephy_node_view_add_data_column (EphyNodeView *view, GType value_type, int prop_id, EphyTreeModelNodeValueFunc func, gpointer data) { int column; if (func) { column = ephy_tree_model_node_add_func_column (view->priv->nodemodel, value_type, func, data); } else { column = ephy_tree_model_node_add_prop_column (view->priv->nodemodel, value_type, prop_id); } return column; } GtkTreeViewColumn * ephy_node_view_add_column (EphyNodeView *view, const char *title, GType value_type, int prop_id, int priority_prop_id, EphyNodeViewFlags flags, EphyTreeModelNodeValueFunc icon_func) { GtkTreeViewColumn *gcolumn; GtkCellRenderer *renderer; int column; int icon_column; column = ephy_tree_model_node_add_prop_column (view->priv->nodemodel, value_type, prop_id); gcolumn = (GtkTreeViewColumn *) gtk_tree_view_column_new (); if (icon_func) { icon_column = ephy_tree_model_node_add_func_column (view->priv->nodemodel, GDK_TYPE_PIXBUF, icon_func, NULL); renderer = gtk_cell_renderer_pixbuf_new (); gtk_tree_view_column_pack_start (gcolumn, renderer, FALSE); gtk_tree_view_column_set_attributes (gcolumn, renderer, "pixbuf", icon_column, NULL); } renderer = gtk_cell_renderer_text_new (); if (flags & EPHY_NODE_VIEW_EDITABLE) { view->priv->editable_renderer = renderer; view->priv->editable_column = gcolumn; view->priv->editable_node_column = column; view->priv->editable_property = prop_id; g_signal_connect (renderer, "edited", G_CALLBACK (cell_renderer_edited), view); } if ((flags & EPHY_NODE_VIEW_SEARCHABLE) && (view->priv->searchable_data_column == -1)) { view->priv->searchable_data_column = column; } gtk_tree_view_column_pack_start (gcolumn, renderer, TRUE); gtk_tree_view_column_set_attributes (gcolumn, renderer, "text", column, NULL); if (priority_prop_id >= 0) { int wcol; view->priv->priority_prop_id = priority_prop_id; wcol = ephy_tree_model_node_add_func_column (view->priv->nodemodel, G_TYPE_INT, (EphyTreeModelNodeValueFunc) provide_text_weight, view); gtk_tree_view_column_add_attribute (gcolumn, renderer, "weight", wcol); } gtk_tree_view_column_set_title (gcolumn, title); gtk_tree_view_append_column (GTK_TREE_VIEW (view), gcolumn); if (flags & EPHY_NODE_VIEW_USER_SORT) { GList *order = NULL; order = g_list_append (order, GINT_TO_POINTER (column)); gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (view->priv->sortmodel), column, ephy_node_view_sort_func, order, (GtkDestroyNotify)g_list_free); gtk_tree_view_column_set_sort_column_id (gcolumn, column); } else if (flags & EPHY_NODE_VIEW_AUTO_SORT) { int scol; GList *order = NULL; if (priority_prop_id >= 0) { scol = ephy_tree_model_node_add_func_column (view->priv->nodemodel, G_TYPE_INT, (EphyTreeModelNodeValueFunc) provide_priority, view); order = g_list_append (order, GINT_TO_POINTER (scol)); } order = g_list_append (order, GINT_TO_POINTER (column)); gtk_tree_sortable_set_default_sort_func (GTK_TREE_SORTABLE (view->priv->sortmodel), ephy_node_view_sort_func, order, (GtkDestroyNotify)g_list_free); gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (view->priv->sortmodel), GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING); } return gcolumn; } static void ephy_node_view_init (EphyNodeView *view) { view->priv = EPHY_NODE_VIEW_GET_PRIVATE (view); view->priv->editable_renderer = NULL; view->priv->editing = TRUE; view->priv->searchable_data_column = -1; view->priv->source_target_list = NULL; gtk_tree_view_set_enable_search (GTK_TREE_VIEW (view), FALSE); } static void get_selection (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer *data) { GList **list = data[0]; EphyNodeView *view = EPHY_NODE_VIEW (data[1]); EphyNode *node; node = get_node_from_path (view, path); *list = g_list_prepend (*list, node); } GList * ephy_node_view_get_selection (EphyNodeView *view) { GList *list = NULL; GtkTreeSelection *selection; gpointer data[2]; selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view)); data[0] = &list; data[1] = view; gtk_tree_selection_selected_foreach (selection, (GtkTreeSelectionForeachFunc) get_selection, (gpointer) data); return list; } void ephy_node_view_remove (EphyNodeView *view) { GList *list, *l; EphyNode *node; GtkTreeIter iter, iter2; GtkTreePath *path; GtkTreeRowReference *row_ref = NULL; /* Before removing we try to get a reference to the next node in the view. If that is * not available we try with the previous one, and if that is absent too, * we will not select anything (which equals to select the topic "All") */ list = ephy_node_view_get_selection (view); if (list == NULL) return; node = g_list_first (list)->data; ephy_tree_model_node_iter_from_node (EPHY_TREE_MODEL_NODE (view->priv->nodemodel), node, &iter); gtk_tree_model_filter_convert_child_iter_to_iter (GTK_TREE_MODEL_FILTER (view->priv->filtermodel), &iter2, &iter); gtk_tree_model_sort_convert_child_iter_to_iter (GTK_TREE_MODEL_SORT (view->priv->sortmodel), &iter, &iter2); iter2 = iter; if (gtk_tree_model_iter_next (GTK_TREE_MODEL (view->priv->sortmodel), &iter)) { path = gtk_tree_model_get_path (GTK_TREE_MODEL (view->priv->sortmodel), &iter); row_ref = gtk_tree_row_reference_new (GTK_TREE_MODEL (view->priv->sortmodel), path); } else { path = gtk_tree_model_get_path (GTK_TREE_MODEL (view->priv->sortmodel), &iter2); if (gtk_tree_path_prev (path)) { row_ref = gtk_tree_row_reference_new (GTK_TREE_MODEL (view->priv->sortmodel), path); } } gtk_tree_path_free (path); for (l = list; l != NULL; l = l->next) { ephy_node_unref (l->data); } g_list_free (list); /* Select the "next" node */ if (row_ref != NULL) { path = gtk_tree_row_reference_get_path (row_ref); if (path != NULL) { gtk_tree_view_set_cursor (GTK_TREE_VIEW (view), path, NULL, FALSE); gtk_tree_path_free (path); } gtk_tree_row_reference_free (row_ref); } } void ephy_node_view_select_node (EphyNodeView *view, EphyNode *node) { GtkTreeIter iter, iter2; GValue val = { 0, }; gboolean visible; g_return_if_fail (node != NULL); ephy_tree_model_node_iter_from_node (EPHY_TREE_MODEL_NODE (view->priv->nodemodel), node, &iter); gtk_tree_model_get_value (GTK_TREE_MODEL (view->priv->nodemodel), &iter, EPHY_TREE_MODEL_NODE_COL_VISIBLE, &val); visible = g_value_get_boolean (&val); g_value_unset (&val); if (visible == FALSE) return; gtk_tree_model_filter_convert_child_iter_to_iter (GTK_TREE_MODEL_FILTER (view->priv->filtermodel), &iter2, &iter); gtk_tree_model_sort_convert_child_iter_to_iter (GTK_TREE_MODEL_SORT (view->priv->sortmodel), &iter, &iter2); gtk_tree_selection_select_iter (gtk_tree_view_get_selection (GTK_TREE_VIEW (view)), &iter); } void ephy_node_view_enable_drag_source (EphyNodeView *view, GtkTargetEntry *types, int n_types, int column) { GtkWidget *treeview; g_return_if_fail (view != NULL); treeview = GTK_WIDGET (view); view->priv->source_target_list = gtk_target_list_new (types, n_types); ephy_tree_model_sort_set_column_id (EPHY_TREE_MODEL_SORT (view->priv->sortmodel), column); g_signal_connect_object (G_OBJECT (view), "button_release_event", G_CALLBACK (button_release_cb), view, 0); g_signal_connect_object (G_OBJECT (view), "motion_notify_event", G_CALLBACK (motion_notify_cb), view, 0); g_signal_connect_object (G_OBJECT (view), "drag_data_get", G_CALLBACK (drag_data_get_cb), view, 0); } void ephy_node_view_edit (EphyNodeView *view) { GtkTreeSelection *selection; GList *rows; GtkTreeModel *model; g_return_if_fail (view->priv->editable_renderer != NULL); selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view)); rows = gtk_tree_selection_get_selected_rows (selection, &model); if (rows == NULL) return; g_object_set (G_OBJECT (view->priv->editable_renderer), "editable", TRUE, NULL); gtk_tree_view_set_cursor (GTK_TREE_VIEW (view), (GtkTreePath *)rows->data, view->priv->editable_column, TRUE); view->priv->editing = TRUE; g_list_foreach (rows, (GFunc)gtk_tree_path_free, NULL); g_list_free (rows); } gboolean ephy_node_view_is_target (EphyNodeView *view) { return gtk_widget_is_focus (GTK_WIDGET (view)); } gboolean ephy_node_view_has_selection (EphyNodeView *view, gboolean *multiple) { GtkTreeSelection *selection; int rows; selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view)); rows = gtk_tree_selection_count_selected_rows (selection); if (multiple) { *multiple = rows > 1; } return rows > 0; }