diff options
Diffstat (limited to 'src/bookmarks/ephy-node-view.c')
| -rw-r--r-- | src/bookmarks/ephy-node-view.c | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/src/bookmarks/ephy-node-view.c b/src/bookmarks/ephy-node-view.c new file mode 100644 index 000000000..f537855d8 --- /dev/null +++ b/src/bookmarks/ephy-node-view.c @@ -0,0 +1,531 @@ +/* + * Copyright (C) 2002 Jorn Baayen <jorn@nl.linux.org> + * + * 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. + * + */ + +#include <gtk/gtktreeview.h> +#include <gtk/gtktreeselection.h> +#include <gtk/gtktreeviewcolumn.h> +#include <gtk/gtkcellrenderertext.h> +#include <libgnome/gnome-i18n.h> + +#include "eggtreemodelfilter.h" +#include "ephy-tree-model-node.h" +#include "ephy-node-view.h" +#include "ephy-tree-model-sort.h" +#include "eggtreemultidnd.h" +#include "ephy-dnd.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); + +struct EphyNodeViewPrivate +{ + EphyNode *root; + + EphyTreeModelNode *nodemodel; + GtkTreeModel *filtermodel; + GtkTreeModel *sortmodel; + + EphyNodeFilter *filter; + + GtkWidget *treeview; +}; + +enum +{ + NODE_ACTIVATED, + NODE_SELECTED, + SHOW_POPUP, + LAST_SIGNAL +}; + +enum +{ + PROP_0, + PROP_ROOT, + PROP_FILTER +}; + +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_SCROLLED_WINDOW, + "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_object ("root", + "Root node", + "Root node", + EPHY_TYPE_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__OBJECT, + G_TYPE_NONE, + 1, + EPHY_TYPE_NODE); + 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__OBJECT, + G_TYPE_NONE, + 1, + EPHY_TYPE_NODE); + 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); +} + +static void +ephy_node_view_finalize (GObject *object) +{ + EphyNodeView *view; + + g_return_if_fail (object != NULL); + g_return_if_fail (EPHY_IS_NODE_VIEW (object)); + + view = EPHY_NODE_VIEW (object); + + g_return_if_fail (view->priv != NULL); + + g_object_unref (G_OBJECT (view->priv->sortmodel)); + g_object_unref (G_OBJECT (view->priv->filtermodel)); + g_object_unref (G_OBJECT (view->priv->nodemodel)); + + g_free (view->priv); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +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 = EPHY_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); + egg_tree_model_filter_convert_iter_to_child_iter + (EGG_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_button_press_cb (GtkTreeView *treeview, + GdkEventButton *event, + EphyNodeView *view) +{ + if (event->button == 3) + { + g_signal_emit (G_OBJECT (view), ephy_node_view_signals[SHOW_POPUP], 0); + } + + return FALSE; +} + +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_object (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_object (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 +node_from_sort_iter_cb (EphyTreeModelSort *model, + GtkTreeIter *iter, + void **node, + EphyNodeView *view) +{ + GtkTreeIter filter_iter, node_iter; + + gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (model), + &filter_iter, iter); + egg_tree_model_filter_convert_iter_to_child_iter (EGG_TREE_MODEL_FILTER (view->priv->filtermodel), + &node_iter, &filter_iter); + *node = ephy_tree_model_node_node_from_iter + (EPHY_TREE_MODEL_NODE (view->priv->nodemodel), &node_iter); +} + +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 = egg_tree_model_filter_new (GTK_TREE_MODEL (view->priv->nodemodel), + NULL); + egg_tree_model_filter_set_visible_column (EGG_TREE_MODEL_FILTER (view->priv->filtermodel), + EPHY_TREE_MODEL_NODE_COL_VISIBLE); + view->priv->sortmodel = ephy_tree_model_sort_new (view->priv->filtermodel); + g_signal_connect_object (G_OBJECT (view->priv->sortmodel), + "node_from_iter", + G_CALLBACK (node_from_sort_iter_cb), + view, + 0); + view->priv->treeview = gtk_tree_view_new_with_model + (GTK_TREE_MODEL (view->priv->sortmodel)); + gtk_widget_show (view->priv->treeview); + g_signal_connect_object (G_OBJECT (view->priv->treeview), + "button_press_event", + G_CALLBACK (ephy_node_view_button_press_cb), + view, + 0); + g_signal_connect_object (G_OBJECT (view->priv->treeview), + "row_activated", + G_CALLBACK (ephy_node_view_row_activated_cb), + view, + 0); + + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view->priv->treeview)); + 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); + + gtk_container_add (GTK_CONTAINER (view), view->priv->treeview); +} + +EphyNodeView * +ephy_node_view_new (EphyNode *root, + EphyNodeFilter *filter) +{ + EphyNodeView *view; + + view = EPHY_NODE_VIEW (g_object_new (EPHY_TYPE_NODE_VIEW, + "filter", filter, + "hadjustment", NULL, + "vadjustment", NULL, + "hscrollbar_policy", GTK_POLICY_AUTOMATIC, + "vscrollbar_policy", GTK_POLICY_AUTOMATIC, + "shadow_type", GTK_SHADOW_IN, + "root", root, + NULL)); + + ephy_node_view_construct (view); + + g_return_val_if_fail (view->priv != NULL, NULL); + + return view; +} + +void +ephy_node_view_add_column (EphyNodeView *view, + const char *title, + EphyTreeModelNodeColumn column, + gboolean sortable) +{ + GtkTreeViewColumn *gcolumn; + GtkCellRenderer *renderer; + + gcolumn = (GtkTreeViewColumn *) gtk_tree_view_column_new (); + renderer = gtk_cell_renderer_text_new (); + gtk_tree_view_column_pack_start (gcolumn, renderer, TRUE); + gtk_tree_view_column_set_attributes (gcolumn, renderer, + "text", column, + NULL); + gtk_tree_view_column_set_sizing (gcolumn, + GTK_TREE_VIEW_COLUMN_AUTOSIZE); + gtk_tree_view_column_set_title (gcolumn, title); + gtk_tree_view_append_column (GTK_TREE_VIEW (view->priv->treeview), + gcolumn); + if (sortable) + { + gtk_tree_view_column_set_sort_column_id (gcolumn, column); + } +} + +static void +ephy_node_view_init (EphyNodeView *view) +{ + view->priv = g_new0 (EphyNodeViewPrivate, 1); +} + +static void +get_selection (GtkTreeModel *model, + GtkTreePath *path, + GtkTreeIter *iter, + void **data) +{ + GtkTreeModelSort *sortmodel = GTK_TREE_MODEL_SORT (model); + EggTreeModelFilter *filtermodel = EGG_TREE_MODEL_FILTER (sortmodel->child_model); + EphyTreeModelNode *nodemodel = EPHY_TREE_MODEL_NODE (filtermodel->child_model); + GList **list = (GList **) data; + GtkTreeIter *iter2 = gtk_tree_iter_copy (iter); + GtkTreeIter iter3; + GtkTreeIter iter4; + EphyNode *node; + + gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (model), + &iter3, iter2); + egg_tree_model_filter_convert_iter_to_child_iter (filtermodel, &iter4, &iter3); + + node = ephy_tree_model_node_node_from_iter (nodemodel, &iter4); + + gtk_tree_iter_free (iter2); + + *list = g_list_prepend (*list, node); +} + +GList * +ephy_node_view_get_selection (EphyNodeView *view) +{ + GList *list = NULL; + GtkTreeSelection *selection; + + selection = gtk_tree_view_get_selection + (GTK_TREE_VIEW (view->priv->treeview)); + + gtk_tree_selection_selected_foreach (selection, + (GtkTreeSelectionForeachFunc) get_selection, + (void **) &list); + + return list; +} + +void +ephy_node_view_remove (EphyNodeView *view) +{ + GList *list; + + list = ephy_node_view_get_selection (view); + + for (; list != NULL; list = list->next) + { + ephy_node_unref (EPHY_NODE (list->data)); + } + + g_list_free (list); +} + +void +ephy_node_view_set_browse_mode (EphyNodeView *view) +{ + GtkTreeSelection *selection; + + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view->priv->treeview)); + gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE); +} + +void +ephy_node_view_select_node (EphyNodeView *view, + EphyNode *node) +{ + GtkTreeIter iter, iter2; + GValue val = { 0, }; + gboolean visible; + GtkTreeSelection *selection; + + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view->priv->treeview)); + + 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; + + egg_tree_model_filter_convert_child_iter_to_iter (EGG_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 (selection, &iter); +} + +void +ephy_node_view_enable_drag_source (EphyNodeView *view) +{ + g_return_if_fail (view != NULL); + + egg_tree_multi_drag_add_drag_support (GTK_TREE_VIEW (view->priv->treeview)); + ephy_dnd_enable_model_drag_source (GTK_WIDGET (view->priv->treeview)); +} |