diff options
Diffstat (limited to 'control-center/capplet-dir-view-tree.c')
| -rw-r--r-- | control-center/capplet-dir-view-tree.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/control-center/capplet-dir-view-tree.c b/control-center/capplet-dir-view-tree.c new file mode 100644 index 000000000..a8168ab80 --- /dev/null +++ b/control-center/capplet-dir-view-tree.c @@ -0,0 +1,195 @@ +/* -*- mode: c; style: linux -*- */ + +/* capplet-dir-view-tree.c + * Copyright (C) 2000 Helix Code, Inc. + * + * Authors: Bradford Hovinen (hovinen@helixcode.com) + * Jacob Berkman <jacob@helixcode.com> + * + * 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, 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 <config.h> + +#include "capplet-dir-view.h" + +static void +tree_clear (CappletDirView *view) +{ + g_return_if_fail (GTK_IS_CTREE (view->view)); + + gtk_clist_clear (GTK_CLIST (view->view)); +} + +static void +tree_clean (CappletDirView *view) +{ + g_return_if_fail (GTK_IS_CTREE (view->view)); + + gtk_object_destroy (GTK_OBJECT (view->view)); +} + +static void +populate_tree_branch (CappletDir *dir, GtkCTree *ctree, GtkCTreeNode *parent) +{ + CappletDirEntry *entry; + GdkPixbuf *pixbuf, *scaled; + GdkPixmap *pixmap; + GdkBitmap *mask; + GtkCTreeNode *current = NULL; + GSList *list; + + capplet_dir_load (dir); + + for (list = dir->entries; list; list = list->next) { + entry = CAPPLET_DIR_ENTRY (list->data); + + pixbuf = gdk_pixbuf_new_from_file (entry->icon); + scaled = gdk_pixbuf_scale_simple (pixbuf, 16, 16, + GDK_INTERP_BILINEAR); + gdk_pixbuf_render_pixmap_and_mask (scaled, &pixmap, &mask, 128); + gdk_pixbuf_unref (pixbuf); + gdk_pixbuf_unref (scaled); + +#warning Should an array be created instead of passing &entry->label ? + current = gtk_ctree_insert_node + (ctree, parent, NULL, + &entry->label, 10, + pixmap, mask, pixmap, mask, + IS_CAPPLET (entry), FALSE); + gtk_ctree_node_set_row_data (ctree, current, entry); + + if (IS_CAPPLET_DIR (entry)) + populate_tree_branch (CAPPLET_DIR (entry), ctree, current); + } +} + +static void +tree_populate (CappletDirView *view) +{ + g_return_if_fail (GTK_IS_CTREE (view->view)); + + gtk_clist_freeze (GTK_CLIST (view->view)); + populate_tree_branch (view->capplet_dir, GTK_CTREE (view->view), NULL); + gtk_clist_thaw (GTK_CLIST (view->view)); +} + +static void +select_tree_cb (GtkCTree *ctree, GtkCTreeNode *node, gint column, + GdkEventButton *event, CappletDirView *view) +{ + CappletDirEntry *dir_entry; + + dir_entry = gtk_ctree_node_get_row_data (ctree, node); + view->selected = dir_entry; +} + +static gint +tree_event_cb (GtkCTree *ctree, GdkEventButton *event, + CappletDirView *view) +{ + CappletDirEntry *entry; + GtkCTreeNode *node; + gint row, column; + + if (event->type == GDK_2BUTTON_PRESS && event->button == 1) + { + gtk_clist_get_selection_info (GTK_CLIST (ctree), + event->x, event->y, + &row, &column); + node = gtk_ctree_node_nth (ctree, row); + entry = gtk_ctree_node_get_row_data (ctree, node); + if (entry && IS_CAPPLET (entry)) + capplet_dir_entry_activate (entry, view); + } + return FALSE; +} + +static GtkWidget * +tree_create (CappletDirView *view) +{ + GtkAdjustment *adjustment; + GtkWidget *w; + + adjustment = gtk_scrolled_window_get_vadjustment + (GTK_SCROLLED_WINDOW (view->scrolled_win)); + + w = gtk_ctree_new (1, 0); + + gtk_signal_connect (GTK_OBJECT (w), "tree-select-row", + GTK_SIGNAL_FUNC (select_tree_cb), + view); + gtk_signal_connect (GTK_OBJECT (w), "button_press_event", + GTK_SIGNAL_FUNC (tree_event_cb), + view); + + return w; +} + +#if 0 +static void +switch_to_tree (CappletDirView *view) +{ + CappletDir *dir, *old_dir = NULL; + GtkCTreeNode *node; + + if (view->layout != LAYOUT_TREE) { + if (view->capplet_dir) { + old_dir = view->capplet_dir; + + while (CAPPLET_DIR_ENTRY (view->capplet_dir)->dir) + view->capplet_dir = CAPPLET_DIR_ENTRY + (view->capplet_dir)->dir; + } + + clean (view); + create_tree (view); + view->layout = LAYOUT_TREE; + + if (!view->capplet_dir) return; + + if (view->selected) { + node = gtk_ctree_find_by_row_data (view->u.tree, + NULL, + view->selected); + + gtk_ctree_select (view->u.tree, node); + + dir = IS_CAPPLET_DIR (view->selected) ? + CAPPLET_DIR (view->selected) : + view->selected->dir; + } else { + dir = old_dir; + } + + while (dir) { + node = gtk_ctree_find_by_row_data (view->u.tree, + NULL, dir); + if (!node) break; + gtk_ctree_expand (view->u.tree, node); + dir = CAPPLET_DIR_ENTRY (dir)->dir; + } + } +} +#endif + +CappletDirViewImpl capplet_dir_view_tree = { + tree_clear, + tree_clean, + tree_populate, + tree_create +}; + |