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thunar-usagebars/thunar/thunar-tree-view.c
4aiman df58603323 thunar 4.20.7 upstream 
Tree of tag thunar-4.20.7 (commit df0e054) from https://gitlab.xfce.org/xfce/thunar.
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2026-11-04 01:40:30 +03:00

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/* vi:set et ai sw=2 sts=2 ts=2: */
/*-
* Copyright (c) 2006 Benedikt Meurer <benny@xfce.org>
* Copyright (c) 2009-2011 Jannis Pohlmann <jannis@xfce.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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#include "thunar/thunar-application.h"
#include "thunar/thunar-clipboard-manager.h"
#include "thunar/thunar-device.h"
#include "thunar/thunar-dialogs.h"
#include "thunar/thunar-dnd.h"
#include "thunar/thunar-gio-extensions.h"
#include "thunar/thunar-gtk-extensions.h"
#include "thunar/thunar-job.h"
#include "thunar/thunar-marshal.h"
#include "thunar/thunar-menu.h"
#include "thunar/thunar-preferences.h"
#include "thunar/thunar-private.h"
#include "thunar/thunar-properties-dialog.h"
#include "thunar/thunar-shortcuts-icon-renderer.h"
#include "thunar/thunar-simple-job.h"
#include "thunar/thunar-tree-model.h"
#include "thunar/thunar-tree-view.h"
#include "thunar/thunar-util.h"
#include <gdk/gdkkeysyms.h>
#include <libxfce4util/libxfce4util.h>
/* the timeout (in ms) until the drag dest row will be expanded */
#define THUNAR_TREE_VIEW_EXPAND_TIMEOUT (750)
/* Property identifiers */
enum
{
PROP_0,
PROP_CURRENT_DIRECTORY,
PROP_SHOW_HIDDEN,
};
/* Signal identifiers */
enum
{
DELETE_SELECTED_FILES,
LAST_SIGNAL,
};
/* Identifiers for DnD target types */
enum
{
TARGET_TEXT_URI_LIST,
};
static void
thunar_tree_view_navigator_init (ThunarNavigatorIface *iface);
static void
thunar_tree_view_finalize (GObject *object);
static void
thunar_tree_view_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void
thunar_tree_view_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void
thunar_tree_view_scale_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data);
static ThunarFile *
thunar_tree_view_get_current_directory (ThunarNavigator *navigator);
static void
thunar_tree_view_set_current_directory (ThunarNavigator *navigator,
ThunarFile *current_directory);
static void
thunar_tree_view_realize (GtkWidget *widget);
static void
thunar_tree_view_unrealize (GtkWidget *widget);
static gboolean
thunar_tree_view_button_press_event (GtkWidget *widget,
GdkEventButton *event);
static gboolean
thunar_tree_view_button_release_event (GtkWidget *widget,
GdkEventButton *event);
static gboolean
thunar_tree_view_key_press_event (GtkWidget *widget,
GdkEventKey *event);
static void
thunar_tree_view_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time);
static gboolean
thunar_tree_view_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static gboolean
thunar_tree_view_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void
thunar_tree_view_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time);
static gboolean
thunar_tree_view_popup_menu (GtkWidget *widget);
static void
thunar_tree_view_row_activated (GtkTreeView *tree_view,
GtkTreePath *path,
GtkTreeViewColumn *column);
static gboolean
thunar_tree_view_test_expand_row (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path);
static void
thunar_tree_view_row_collapsed (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path);
static gboolean
thunar_tree_view_delete_selected_files (ThunarTreeView *view);
static void
thunar_tree_view_context_menu (ThunarTreeView *view,
GtkTreeModel *model,
GtkTreeIter *iter);
static GdkDragAction
thunar_tree_view_get_dest_actions (ThunarTreeView *view,
GdkDragContext *context,
gint x,
gint y,
guint time,
ThunarFile **file_return);
static ThunarFile *
thunar_tree_view_get_selected_file (ThunarTreeView *view);
static ThunarDevice *
thunar_tree_view_get_selected_device (ThunarTreeView *view);
static void
thunar_tree_view_action_unlink_selected_folder (ThunarTreeView *view,
gboolean permanently);
static void
thunar_tree_view_action_move_to_trash (ThunarTreeView *view);
static void
thunar_tree_view_action_delete (ThunarTreeView *view);
static void
thunar_tree_view_action_open (ThunarTreeView *view);
static void
thunar_tree_view_open_selection (ThunarTreeView *view);
static void
thunar_tree_view_select_files (ThunarTreeView *view,
GList *files_to_selected);
static gboolean
thunar_tree_view_visible_func (ThunarTreeModel *model,
ThunarFile *file,
gpointer user_data);
static gboolean
thunar_tree_view_selection_func (GtkTreeSelection *selection,
GtkTreeModel *model,
GtkTreePath *path,
gboolean path_currently_selected,
gpointer user_data);
static gboolean
thunar_tree_view_set_cursor (gpointer user_data);
static void
set_cursor_event_source_destroy (gpointer user_data);
static gboolean
thunar_tree_view_drag_scroll_timer (gpointer user_data);
static void
thunar_tree_view_drag_scroll_timer_destroy (gpointer user_data);
static gboolean
thunar_tree_view_expand_timer (gpointer user_data);
static void
thunar_tree_view_expand_timer_destroy (gpointer user_data);
static gboolean
thunar_tree_view_get_show_hidden (ThunarTreeView *view);
static void
thunar_tree_view_set_show_hidden (ThunarTreeView *view,
gboolean show_hidden);
static GtkTreePath *
thunar_tree_view_get_preferred_toplevel_path (ThunarTreeView *view,
ThunarFile *file);
struct _ThunarTreeViewClass
{
GtkTreeViewClass __parent__;
/* signals */
gboolean (*delete_selected_files) (ThunarTreeView *view);
};
struct _ThunarTreeView
{
GtkTreeView __parent__;
ThunarClipboardManager *clipboard;
ThunarPreferences *preferences;
GtkCellRenderer *icon_renderer;
ThunarFile *current_directory;
ThunarTreeModel *model;
ThunarxProviderFactory *provider_factory;
/* whether to display hidden/backup files */
guint show_hidden : 1;
/* drop site support */
guint drop_data_ready : 1; /* whether the drop data was received already */
guint drop_occurred : 1;
GList *drop_file_list; /* the list of URIs that are contained in the drop data */
/* sometimes we want to keep the cursor on a certain item to allow
* more intuitive navigation, even though the main view shows another path
*/
GtkTreePath *select_path;
/* used to create menu items for the context menu */
ThunarActionManager *action_mgr;
/* the currently pressed mouse button, set in the
* button-press-event handler if the associated
* button-release-event should activate.
*/
gint pressed_button;
/* id of the signal used to queue a resize on the
* column whenever the shortcuts icon size is changed.
*/
gulong queue_resize_signal_id;
/* set cursor to current directory idle source */
guint set_cursor_event_source_id;
time_t set_cursor_start_timestamp;
/* autoscroll during drag timer source */
guint drag_scroll_timer_id;
/* expand drag dest row timer source */
guint expand_timer_id;
};
/* Target types for dropping into the tree view */
static const GtkTargetEntry drop_targets[] = {
{ "text/uri-list", 0, TARGET_TEXT_URI_LIST },
};
static guint tree_view_signals[LAST_SIGNAL];
G_DEFINE_TYPE_WITH_CODE (ThunarTreeView, thunar_tree_view, GTK_TYPE_TREE_VIEW,
G_IMPLEMENT_INTERFACE (THUNAR_TYPE_NAVIGATOR, thunar_tree_view_navigator_init))
static void
thunar_tree_view_class_init (ThunarTreeViewClass *klass)
{
GtkTreeViewClass *gtktree_view_class;
GtkWidgetClass *gtkwidget_class;
GtkBindingSet *binding_set;
GObjectClass *gobject_class;
gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = thunar_tree_view_finalize;
gobject_class->get_property = thunar_tree_view_get_property;
gobject_class->set_property = thunar_tree_view_set_property;
gtkwidget_class = GTK_WIDGET_CLASS (klass);
gtkwidget_class->realize = thunar_tree_view_realize;
gtkwidget_class->unrealize = thunar_tree_view_unrealize;
gtkwidget_class->button_press_event = thunar_tree_view_button_press_event;
gtkwidget_class->button_release_event = thunar_tree_view_button_release_event;
gtkwidget_class->drag_data_received = thunar_tree_view_drag_data_received;
gtkwidget_class->drag_drop = thunar_tree_view_drag_drop;
gtkwidget_class->drag_motion = thunar_tree_view_drag_motion;
gtkwidget_class->drag_leave = thunar_tree_view_drag_leave;
gtkwidget_class->popup_menu = thunar_tree_view_popup_menu;
gtktree_view_class = GTK_TREE_VIEW_CLASS (klass);
gtktree_view_class->row_activated = thunar_tree_view_row_activated;
gtktree_view_class->test_expand_row = thunar_tree_view_test_expand_row;
gtktree_view_class->row_collapsed = thunar_tree_view_row_collapsed;
klass->delete_selected_files = thunar_tree_view_delete_selected_files;
/* Override ThunarNavigator's properties */
g_object_class_override_property (gobject_class, PROP_CURRENT_DIRECTORY, "current-directory");
/**
* ThunarTreeView:show-hidden:
*
* Whether to display hidden and backup folders
* in this #ThunarTreeView.
**/
g_object_class_install_property (gobject_class,
PROP_SHOW_HIDDEN,
g_param_spec_boolean ("show-hidden",
"show-hidden",
"show-hidden",
FALSE,
EXO_PARAM_READWRITE));
/**
* ThunarTreeView::delete-selected-files:
* @tree_view : a #ThunarTreeView.
*
* Emitted whenever the user presses the Delete key. This
* is an internal signal used to bind the action to keys.
**/
tree_view_signals[DELETE_SELECTED_FILES] =
g_signal_new (I_ ("delete-selected-files"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (ThunarTreeViewClass, delete_selected_files),
g_signal_accumulator_true_handled, NULL,
_thunar_marshal_BOOLEAN__VOID,
G_TYPE_BOOLEAN, 0);
/* setup the key bindings for the tree view */
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_CONTROL_MASK, "delete-selected-files", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, 0, "delete-selected-files", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_SHIFT_MASK, "delete-selected-files", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, 0, "delete-selected-files", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_SHIFT_MASK, "delete-selected-files", 0);
}
static void
thunar_tree_view_navigator_init (ThunarNavigatorIface *iface)
{
iface->get_current_directory = thunar_tree_view_get_current_directory;
iface->set_current_directory = thunar_tree_view_set_current_directory;
}
static void
thunar_tree_view_init (ThunarTreeView *view)
{
GtkTreeViewColumn *column;
GtkTreeSelection *selection;
GtkCellRenderer *renderer;
/* grab a reference on the provider factory */
view->provider_factory = thunarx_provider_factory_get_default ();
/* grab a reference on the preferences */
view->preferences = thunar_preferences_get ();
/* Create a tree model for this tree view */
view->model = g_object_new (THUNAR_TYPE_TREE_MODEL, NULL);
/* synchronize the the global "misc-case-sensitive" preference */
g_object_set_data (G_OBJECT (view->model), I_ ("thunar-preferences"), view->preferences);
g_object_bind_property (G_OBJECT (view->preferences), "misc-case-sensitive", G_OBJECT (view->model), "case-sensitive", G_BINDING_SYNC_CREATE);
thunar_tree_model_set_visible_func (view->model, thunar_tree_view_visible_func, view);
gtk_tree_view_set_model (GTK_TREE_VIEW (view), GTK_TREE_MODEL (view->model));
/* configure the tree view */
gtk_tree_view_set_enable_search (GTK_TREE_VIEW (view), TRUE);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (view), FALSE);
/* allocate a single column for our renderers */
column = g_object_new (GTK_TYPE_TREE_VIEW_COLUMN,
"reorderable", FALSE,
"resizable", FALSE,
"sizing", GTK_TREE_VIEW_COLUMN_AUTOSIZE,
"spacing", 2,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* queue a resize on the column whenever the icon size is changed */
view->queue_resize_signal_id = g_signal_connect_swapped (G_OBJECT (view->preferences), "notify::tree-icon-size",
G_CALLBACK (gtk_tree_view_column_queue_resize), column);
/* allocate the special icon renderer */
view->icon_renderer = thunar_shortcuts_icon_renderer_new ();
gtk_tree_view_column_pack_start (column, view->icon_renderer, FALSE);
gtk_tree_view_column_set_attributes (column, view->icon_renderer,
"file", THUNAR_TREE_MODEL_COLUMN_FILE,
"device", THUNAR_TREE_MODEL_COLUMN_DEVICE,
NULL);
g_signal_connect (G_OBJECT (view), "notify::scale-factor", G_CALLBACK (thunar_tree_view_scale_changed), NULL);
/* sync the "emblems" property of the icon renderer with the "tree-icon-emblems" preference
* and the "size" property of the renderer with the "tree-icon-size" preference.
*/
g_object_bind_property (G_OBJECT (view->preferences), "tree-icon-size", G_OBJECT (view->icon_renderer), "size", G_BINDING_SYNC_CREATE);
g_object_bind_property (G_OBJECT (view->preferences), "tree-icon-emblems", G_OBJECT (view->icon_renderer), "emblems", G_BINDING_SYNC_CREATE);
g_signal_connect_swapped (G_OBJECT (view->preferences), "notify::tree-icon-emblems", G_CALLBACK (gtk_widget_queue_draw), view);
/* optional tree lines */
g_object_bind_property (G_OBJECT (view->preferences), "misc-tree-lines-in-tree-sidepane", G_OBJECT (view), "enable-tree-lines", G_BINDING_SYNC_CREATE);
/* optional symbolic icons */
g_object_bind_property (G_OBJECT (view->preferences), "misc-symbolic-icons-in-sidepane", G_OBJECT (view->icon_renderer), "use-symbolic-icons", G_BINDING_SYNC_CREATE);
g_signal_connect_swapped (G_OBJECT (view->preferences), "notify::misc-symbolic-icons-in-sidepane", G_CALLBACK (gtk_widget_queue_draw), view);
/* allocate the text renderer */
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_set_attributes (column, renderer,
"attributes", THUNAR_TREE_MODEL_COLUMN_ATTR,
"text", THUNAR_TREE_MODEL_COLUMN_NAME,
NULL);
/* setup the tree selection */
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
gtk_tree_selection_set_select_function (selection, thunar_tree_view_selection_func, view, NULL);
/* custom keyboard handler for better navigation */
g_signal_connect (GTK_WIDGET (view), "key_press_event", G_CALLBACK (thunar_tree_view_key_press_event), NULL);
/* enable drop support for the tree view */
gtk_drag_dest_set (GTK_WIDGET (view), 0, drop_targets, G_N_ELEMENTS (drop_targets),
GDK_ACTION_COPY | GDK_ACTION_LINK | GDK_ACTION_MOVE);
view->action_mgr = g_object_new (THUNAR_TYPE_ACTION_MANAGER, "widget", GTK_WIDGET (view), NULL);
g_signal_connect_swapped (G_OBJECT (view->action_mgr), "change-directory", G_CALLBACK (thunar_tree_view_action_open), view);
g_signal_connect_swapped (G_OBJECT (view->action_mgr), "open-new-tab", G_CALLBACK (thunar_navigator_open_new_tab), view);
g_signal_connect_swapped (G_OBJECT (view->action_mgr), "new-files-created", G_CALLBACK (thunar_tree_view_select_files), view);
g_object_bind_property (G_OBJECT (view), "current-directory", G_OBJECT (view->action_mgr), "current-directory", G_BINDING_SYNC_CREATE);
}
static void
thunar_tree_view_finalize (GObject *object)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (object);
/* release drop path list (if drag_leave wasn't called) */
thunar_g_list_free_full (view->drop_file_list);
/* release the provider factory */
g_object_unref (G_OBJECT (view->provider_factory));
/* disconnect the queue resize signal handler */
g_signal_handler_disconnect (G_OBJECT (view->preferences), view->queue_resize_signal_id);
/* be sure to cancel the cursor idle source */
if (G_UNLIKELY (view->set_cursor_event_source_id != 0))
g_source_remove (view->set_cursor_event_source_id);
/* cancel any running autoscroll timer */
if (G_LIKELY (view->drag_scroll_timer_id != 0))
g_source_remove (view->drag_scroll_timer_id);
/* be sure to cancel the expand timer source */
if (G_UNLIKELY (view->expand_timer_id != 0))
g_source_remove (view->expand_timer_id);
/* free path remembered for selection */
if (view->select_path != NULL)
gtk_tree_path_free (view->select_path);
/* reset the current-directory property */
thunar_navigator_set_current_directory (THUNAR_NAVIGATOR (view), NULL);
/* release reference on the action manager */
g_object_unref (view->action_mgr);
/* disconnect from the preferences object */
g_signal_handlers_disconnect_by_data (G_OBJECT (view->preferences), view);
g_object_unref (G_OBJECT (view->preferences));
/* free the tree model */
g_object_unref (G_OBJECT (view->model));
(*G_OBJECT_CLASS (thunar_tree_view_parent_class)->finalize) (object);
}
static void
thunar_tree_view_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
switch (prop_id)
{
case PROP_CURRENT_DIRECTORY:
g_value_set_object (value, thunar_navigator_get_current_directory (THUNAR_NAVIGATOR (object)));
break;
case PROP_SHOW_HIDDEN:
g_value_set_boolean (value, thunar_tree_view_get_show_hidden (THUNAR_TREE_VIEW (object)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
thunar_tree_view_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
switch (prop_id)
{
case PROP_CURRENT_DIRECTORY:
thunar_navigator_set_current_directory (THUNAR_NAVIGATOR (object), g_value_get_object (value));
break;
case PROP_SHOW_HIDDEN:
thunar_tree_view_set_show_hidden (THUNAR_TREE_VIEW (object), g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
thunar_tree_view_scale_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
gtk_widget_queue_draw (GTK_WIDGET (object));
}
static ThunarFile *
thunar_tree_view_get_current_directory (ThunarNavigator *navigator)
{
return THUNAR_TREE_VIEW (navigator)->current_directory;
}
static void
thunar_tree_view_set_current_directory (ThunarNavigator *navigator,
ThunarFile *current_directory)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (navigator);
ThunarFile *file;
ThunarFile *file_parent;
gboolean needs_refiltering = FALSE;
/* check if we already use that directory */
if (G_UNLIKELY (view->current_directory == current_directory))
return;
/* check if we have an active directory */
if (G_LIKELY (view->current_directory != NULL))
{
/* update the filter if the old current directory, or one of it's parents, is hidden */
if (!view->show_hidden)
{
/* look if the file or one of it's parents is hidden */
for (file = THUNAR_FILE (g_object_ref (G_OBJECT (view->current_directory))); file != NULL; file = file_parent)
{
/* check if this file is hidden */
if (thunar_file_is_hidden (file))
{
/* schedule an update of the filter after the current directory has been changed */
needs_refiltering = TRUE;
/* release the file */
g_object_unref (G_OBJECT (file));
break;
}
/* get the file parent */
file_parent = thunar_file_get_parent (file, NULL);
/* release the file */
g_object_unref (G_OBJECT (file));
}
}
/* disconnect from the previous current directory */
g_object_unref (G_OBJECT (view->current_directory));
}
/* activate the new current directory */
view->current_directory = current_directory;
/* connect to the new current directory */
if (G_LIKELY (current_directory != NULL))
{
/* take a reference on the directory */
g_object_ref (G_OBJECT (current_directory));
/* update the filter if the new current directory, or one of it's parents, is
* hidden. we don't have to check this if refiltering needs to be done
* anyway */
if (!needs_refiltering && !view->show_hidden)
{
/* look if the file or one of it's parents is hidden */
for (file = THUNAR_FILE (g_object_ref (G_OBJECT (current_directory))); file != NULL; file = file_parent)
{
/* check if this file is hidden */
if (thunar_file_is_hidden (file))
{
/* update the filter */
thunar_tree_model_refilter (view->model);
/* release the file */
g_object_unref (G_OBJECT (file));
break;
}
/* get the file parent */
file_parent = thunar_file_get_parent (file, NULL);
/* release the file */
g_object_unref (G_OBJECT (file));
}
}
/* set the cursor to the current directory, and unfold the tree accordingly */
/* Multiple iterations might be needed here. We throttle the call to prevent CPU spikes in certain cases */
/* If we fail to set the cursor in 5 seconds, the operation is aborted. */
view->set_cursor_start_timestamp = time (NULL);
if (G_LIKELY (view->set_cursor_event_source_id == 0))
view->set_cursor_event_source_id = g_timeout_add_full (G_PRIORITY_LOW, 10, thunar_tree_view_set_cursor,
view, set_cursor_event_source_destroy);
}
/* refilter the model if necessary */
if (needs_refiltering)
thunar_tree_model_refilter (view->model);
/* notify listeners */
g_object_notify (G_OBJECT (view), "current-directory");
}
static void
thunar_tree_view_realize (GtkWidget *widget)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
GdkDisplay *display;
/* let the parent class realize the widget */
(*GTK_WIDGET_CLASS (thunar_tree_view_parent_class)->realize) (widget);
/* query the clipboard manager for the display */
display = gtk_widget_get_display (widget);
view->clipboard = thunar_clipboard_manager_get_for_display (display);
}
static void
thunar_tree_view_unrealize (GtkWidget *widget)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
/* release the clipboard manager reference */
g_object_unref (G_OBJECT (view->clipboard));
view->clipboard = NULL;
/* let the parent class unrealize the widget */
(*GTK_WIDGET_CLASS (thunar_tree_view_parent_class)->unrealize) (widget);
}
static gboolean
thunar_tree_view_button_press_event (GtkWidget *widget,
GdkEventButton *event)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
ThunarDevice *device = NULL;
ThunarFile *file = NULL;
GtkTreeViewColumn *column;
GtkTreePath *path;
GtkTreeIter iter;
gboolean result;
/* reset the pressed button state */
view->pressed_button = -1;
if (event->button == 2)
{
/* completely ignore double middle clicks */
if (event->type == GDK_2BUTTON_PRESS)
return TRUE;
/* remember the current selection as we want to restore it later */
gtk_tree_path_free (view->select_path);
gtk_tree_view_get_cursor (GTK_TREE_VIEW (view), &(view->select_path), NULL);
}
/* let the widget process the event first (handles focussing and scrolling) */
result = (*GTK_WIDGET_CLASS (thunar_tree_view_parent_class)->button_press_event) (widget, event);
/* for the following part, we'll only handle single button presses */
if (event->type != GDK_BUTTON_PRESS)
return result;
/* resolve the path at the cursor position */
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget), event->x, event->y, &path, &column, NULL, NULL))
{
/* check if we should popup the context menu */
if (G_UNLIKELY (event->button == 3))
{
/* determine the iterator for the path */
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (view->model), &iter, path))
{
/* popup the context menu */
thunar_tree_view_context_menu (view, GTK_TREE_MODEL (view->model), &iter);
/* we effectively handled the event */
result = TRUE;
}
}
else if (event->button == 1)
{
GdkRectangle rect;
gtk_tree_view_get_cell_area (GTK_TREE_VIEW (widget), path, column, &rect);
/* set cursor only when the user did not click the expander */
if (rect.x <= event->x && event->x <= (rect.x + rect.width))
gtk_tree_view_set_cursor (GTK_TREE_VIEW (widget), path, NULL, FALSE);
/* remember the button as pressed and handle it in the release handler */
view->pressed_button = event->button;
}
else if (event->button == 2)
{
/* only open the item if it is mounted (otherwise opening and selecting it won't work correctly) */
gtk_tree_path_free (path);
gtk_tree_view_get_cursor (GTK_TREE_VIEW (view), &path, NULL);
if (path != NULL && gtk_tree_model_get_iter (GTK_TREE_MODEL (view->model), &iter, path))
gtk_tree_model_get (GTK_TREE_MODEL (view->model), &iter,
THUNAR_TREE_MODEL_COLUMN_FILE, &file,
THUNAR_TREE_MODEL_COLUMN_DEVICE, &device, -1);
if ((device != NULL && thunar_device_is_mounted (device)) || (file != NULL && thunar_file_is_mounted (file)))
{
view->pressed_button = event->button;
}
else
{
gtk_tree_path_free (view->select_path);
view->select_path = NULL;
}
if (device)
g_object_unref (device);
if (file)
g_object_unref (file);
}
/* release the path */
gtk_tree_path_free (path);
}
return result;
}
static gboolean
thunar_tree_view_button_release_event (GtkWidget *widget,
GdkEventButton *event)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
gboolean in_tab;
/* check if we have an event matching the pressed button state */
if (G_LIKELY (view->pressed_button == (gint) event->button))
{
/* check if we should simply open or open in new window */
if (G_LIKELY (event->button == 1))
{
thunar_tree_view_action_open (view);
}
else if (G_UNLIKELY (event->button == 2))
{
ThunarFile *file = thunar_tree_view_get_selected_file (view);
GList *files = NULL;
if (file != NULL)
{
g_object_get (view->preferences, "misc-middle-click-in-tab", &in_tab, NULL);
/* holding ctrl inverts the action */
if ((event->state & GDK_CONTROL_MASK) != 0)
in_tab = !in_tab;
files = g_list_append (files, file);
thunar_action_manager_set_selection (view->action_mgr, files, NULL, NULL);
thunar_action_manager_open_selected_folders (view->action_mgr, in_tab);
g_list_free (files);
g_object_unref (file);
}
/* set the cursor back to the previously selected item */
if (view->select_path != NULL)
{
gtk_tree_view_set_cursor (GTK_TREE_VIEW (view), view->select_path, NULL, FALSE);
gtk_tree_path_free (view->select_path);
view->select_path = NULL;
}
}
gtk_widget_grab_focus (widget);
}
/* reset the pressed button state */
view->pressed_button = -1;
/* call the parent's release event handler */
return (*GTK_WIDGET_CLASS (thunar_tree_view_parent_class)->button_release_event) (widget, event);
}
static gboolean
thunar_tree_view_key_press_event (GtkWidget *widget,
GdkEventKey *event)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
ThunarDevice *device = NULL;
GtkTreePath *path;
GtkTreeIter iter;
gboolean stopPropagation = FALSE;
/* Get path of currently highlighted item */
gtk_tree_view_get_cursor (GTK_TREE_VIEW (view), &path, NULL);
switch (event->keyval)
{
case GDK_KEY_Up:
case GDK_KEY_KP_Up:
case GDK_KEY_Down:
case GDK_KEY_KP_Down:
/* the default actions works good, but we want to update the right pane */
GTK_WIDGET_CLASS (thunar_tree_view_parent_class)->key_press_event (widget, event);
/* sync with new tree view selection */
gtk_tree_path_free (path);
gtk_tree_view_get_cursor (GTK_TREE_VIEW (view), &path, NULL);
thunar_tree_view_open_selection (view);
stopPropagation = TRUE;
break;
case GDK_KEY_Left:
case GDK_KEY_KP_Left:
/* if branch is expanded then collapse it */
if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (view), path))
gtk_tree_view_collapse_row (GTK_TREE_VIEW (view), path);
else /* if the branch is already collapsed */
if (gtk_tree_path_get_depth (path) > 1 && gtk_tree_path_up (path))
{
/* if this is not a toplevel item then move to parent */
gtk_tree_view_set_cursor (GTK_TREE_VIEW (view), path, NULL, FALSE);
}
else if (gtk_tree_path_get_depth (path) == 1)
{
/* if this is a toplevel item and a mountable device, unmount it */
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (view->model), &iter, path))
gtk_tree_model_get (GTK_TREE_MODEL (view->model), &iter,
THUNAR_TREE_MODEL_COLUMN_DEVICE, &device, -1);
if (device != NULL)
if (thunar_device_is_mounted (device) && thunar_device_can_unmount (device))
{
/* mark this path for selection after unmounting */
view->select_path = gtk_tree_path_copy (path);
g_object_set (G_OBJECT (view->action_mgr), "selected-device", device, NULL);
thunar_action_manager_action_unmount (view->action_mgr);
g_object_unref (G_OBJECT (device));
}
}
thunar_tree_view_open_selection (view);
stopPropagation = TRUE;
break;
case GDK_KEY_Right:
case GDK_KEY_KP_Right:
/* if this is a toplevel item and a mountable device, mount it */
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (view->model), &iter, path))
gtk_tree_model_get (GTK_TREE_MODEL (view->model), &iter,
THUNAR_TREE_MODEL_COLUMN_DEVICE, &device, -1);
if (device != NULL && thunar_device_is_mounted (device) == FALSE)
{
g_object_set (G_OBJECT (view->action_mgr), "selected-device", device, NULL);
thunar_action_manager_action_mount (view->action_mgr);
}
else
{
/* if branch is not expanded then expand it */
if (!gtk_tree_view_row_expanded (GTK_TREE_VIEW (view), path))
gtk_tree_view_expand_row (GTK_TREE_VIEW (view), path, FALSE);
else /* if branch is already expanded then move to first child */
{
gtk_tree_path_down (path);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (view), path, NULL, FALSE);
thunar_tree_view_action_open (view);
}
}
stopPropagation = TRUE;
break;
case GDK_KEY_space:
case GDK_KEY_Return:
case GDK_KEY_KP_Enter:
thunar_tree_view_open_selection (view);
stopPropagation = TRUE;
break;
}
gtk_tree_path_free (path);
if (stopPropagation)
gtk_widget_grab_focus (widget);
return stopPropagation;
}
static void
thunar_tree_view_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint timestamp)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
GdkDragAction actions;
GdkDragAction action;
ThunarFile *file;
gboolean succeed = FALSE;
/* check if don't already know the drop data */
if (G_LIKELY (!view->drop_data_ready))
{
/* extract the URI list from the selection data (if valid) */
if (info == TARGET_TEXT_URI_LIST && gtk_selection_data_get_format (selection_data) == 8 && gtk_selection_data_get_length (selection_data) > 0)
view->drop_file_list = thunar_g_file_list_new_from_string ((const gchar *) gtk_selection_data_get_data (selection_data));
/* reset the state */
view->drop_data_ready = TRUE;
}
/* check if the data was droppped */
if (G_UNLIKELY (view->drop_occurred))
{
/* reset the state */
view->drop_occurred = FALSE;
/* determine the drop position */
actions = thunar_tree_view_get_dest_actions (view, context, x, y, timestamp, &file);
if (G_LIKELY ((actions & (GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK)) != 0))
{
/* ask the user what to do with the drop data */
action = (gdk_drag_context_get_selected_action (context) == GDK_ACTION_ASK)
? thunar_dnd_ask (GTK_WIDGET (view), file, view->drop_file_list, actions)
: gdk_drag_context_get_selected_action (context);
/* perform the requested action */
if (G_LIKELY (action != 0))
succeed = thunar_dnd_perform (GTK_WIDGET (view), file, view->drop_file_list, action, NULL);
}
/* release the file reference */
if (G_LIKELY (file != NULL))
g_object_unref (G_OBJECT (file));
/* tell the peer that we handled the drop */
gtk_drag_finish (context, succeed, FALSE, timestamp);
/* disable the highlighting and release the drag data */
thunar_tree_view_drag_leave (GTK_WIDGET (view), context, timestamp);
}
}
static gboolean
thunar_tree_view_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint timestamp)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
GdkAtom target;
/* determine the drop target */
target = gtk_drag_dest_find_target (widget, context, NULL);
if (G_LIKELY (target == gdk_atom_intern_static_string ("text/uri-list")))
{
/* set state so the drag-data-received handler
* knows that this is really a drop this time.
*/
view->drop_occurred = TRUE;
/* request the drag data from the source. */
gtk_drag_get_data (widget, context, target, timestamp);
}
else
{
/* we cannot handle the drop */
return FALSE;
}
return TRUE;
}
static gboolean
thunar_tree_view_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint timestamp)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
GdkAtom target;
/* determine the drop target */
target = gtk_drag_dest_find_target (widget, context, NULL);
if (G_UNLIKELY (target != gdk_atom_intern_static_string ("text/uri-list")))
{
/* reset the "drop-file" of the icon renderer */
g_object_set (G_OBJECT (view->icon_renderer), "drop-file", NULL, NULL);
/* we cannot handle the drop */
return FALSE;
}
/* request the drop data on-demand (if we don't have it already) */
if (G_UNLIKELY (!view->drop_data_ready))
{
/* reset the "drop-file" of the icon renderer */
g_object_set (G_OBJECT (view->icon_renderer), "drop-file", NULL, NULL);
/* request the drag data from the source */
gtk_drag_get_data (widget, context, target, timestamp);
/* tell Gdk that we don't know whether we can drop */
gdk_drag_status (context, 0, timestamp);
}
else
{
/* check if we can drop here */
thunar_tree_view_get_dest_actions (view, context, x, y, timestamp, NULL);
}
/* start the drag autoscroll timer if not already running */
if (G_UNLIKELY (view->drag_scroll_timer_id == 0))
{
/* schedule the drag autoscroll timer */
view->drag_scroll_timer_id = g_timeout_add_full (G_PRIORITY_LOW, 50, thunar_tree_view_drag_scroll_timer,
view, thunar_tree_view_drag_scroll_timer_destroy);
}
return TRUE;
}
static void
thunar_tree_view_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint timestamp)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
/* cancel any running autoscroll timer */
if (G_LIKELY (view->drag_scroll_timer_id != 0))
g_source_remove (view->drag_scroll_timer_id);
/* reset the "drop-file" of the icon renderer */
g_object_set (G_OBJECT (view->icon_renderer), "drop-file", NULL, NULL);
/* reset the "drop data ready" status and free the URI list */
if (G_LIKELY (view->drop_data_ready))
{
thunar_g_list_free_full (view->drop_file_list);
view->drop_data_ready = FALSE;
view->drop_file_list = NULL;
}
/* call the parent's handler */
(*GTK_WIDGET_CLASS (thunar_tree_view_parent_class)->drag_leave) (widget, context, timestamp);
}
static gboolean
thunar_tree_view_popup_menu (GtkWidget *widget)
{
GtkTreeSelection *selection;
ThunarTreeView *view = THUNAR_TREE_VIEW (widget);
GtkTreeModel *model;
GtkTreeIter iter;
/* determine the selected row */
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
/* popup the context menu */
thunar_tree_view_context_menu (view, model, &iter);
return TRUE;
}
else if (GTK_WIDGET_CLASS (thunar_tree_view_parent_class)->popup_menu != NULL)
{
/* call the parent's "popup-menu" handler */
return (*GTK_WIDGET_CLASS (thunar_tree_view_parent_class)->popup_menu) (widget);
}
return FALSE;
}
static void
thunar_tree_view_row_activated (GtkTreeView *tree_view,
GtkTreePath *path,
GtkTreeViewColumn *column)
{
/* call the parent's "row-activated" handler */
if (GTK_TREE_VIEW_CLASS (thunar_tree_view_parent_class)->row_activated != NULL)
(*GTK_TREE_VIEW_CLASS (thunar_tree_view_parent_class)->row_activated) (tree_view, path, column);
/* toggle the expanded state of the activated row... */
if (gtk_tree_view_row_expanded (tree_view, path))
{
gtk_tree_view_collapse_row (tree_view, path);
}
else
{
/* expand the row, but open it if mounted */
if (gtk_tree_view_expand_row (tree_view, path, FALSE))
{
/* ...open the selected folder */
thunar_tree_view_action_open (THUNAR_TREE_VIEW (tree_view));
}
}
/* Using TREE_SEARCH and <Return> opens a folder, but also our treeview
* looses the focus. Get the focus back: */
gtk_widget_grab_focus (GTK_WIDGET (tree_view));
}
static gboolean
thunar_tree_view_test_expand_row (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (tree_view);
gboolean expandable = TRUE;
ThunarDevice *device;
/* determine the device for the iterator */
gtk_tree_model_get (GTK_TREE_MODEL (view->model), iter, THUNAR_TREE_MODEL_COLUMN_DEVICE, &device, -1);
/* check if we have a device */
if (G_UNLIKELY (device != NULL))
{
/* check if we need to mount the device first */
if (!thunar_device_is_mounted (device))
{
/* we need to mount the device before we can expand the row */
expandable = FALSE;
g_object_set (G_OBJECT (view->action_mgr), "selected-device", device, NULL);
/* The closure will expand the row after the mount operation finished */
thunar_action_manager_action_mount (view->action_mgr);
}
/* release the device */
g_object_unref (G_OBJECT (device));
}
/* cancel the cursor idle source if not expandable */
if (!expandable && view->set_cursor_event_source_id != 0)
g_source_remove (view->set_cursor_event_source_id);
return !expandable;
}
static void
thunar_tree_view_row_collapsed (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path)
{
/* schedule a cleanup of the tree model */
thunar_tree_model_cleanup (THUNAR_TREE_VIEW (tree_view)->model);
}
static gboolean
thunar_tree_view_delete_selected_files (ThunarTreeView *view)
{
GtkAccelKey key;
GdkModifierType state;
_thunar_return_val_if_fail (THUNAR_IS_TREE_VIEW (view), FALSE);
/* Check if there is a user defined accelerator for the delete action,
* if there is, skip events from the hard-coded keys which are set in
* the class of the standard view. See bug #4173. */
if (gtk_accel_map_lookup_entry ("<Actions>/ThunarStandardView/move-to-trash", &key)
&& (key.accel_key != 0 || key.accel_mods != 0))
return FALSE;
/* check if we should permanently delete the files (user holds shift or no gvfs available) */
if ((gtk_get_current_event_state (&state) && (state & GDK_SHIFT_MASK) != 0) || (gtk_get_current_event_state (&state) && !thunar_g_vfs_is_uri_scheme_supported ("trash")))
thunar_tree_view_action_delete (view);
else
thunar_tree_view_action_move_to_trash (view);
/* ...and we're done */
return TRUE;
}
static void
thunar_tree_view_context_menu (ThunarTreeView *view,
GtkTreeModel *model,
GtkTreeIter *iter)
{
ThunarDevice *device;
ThunarFile *file;
GList *files;
ThunarMenu *context_menu;
GtkWidget *window;
gboolean file_is_available;
/* verify that we're connected to the clipboard manager */
if (G_UNLIKELY (view->clipboard == NULL))
return;
/* determine the file and device for the given iter */
gtk_tree_model_get (model, iter,
THUNAR_TREE_MODEL_COLUMN_FILE, &file,
THUNAR_TREE_MODEL_COLUMN_DEVICE, &device,
-1);
context_menu = g_object_new (THUNAR_TYPE_MENU, "menu-type", THUNAR_MENU_TYPE_CONTEXT_TREE_VIEW,
"action_mgr", view->action_mgr,
"force-section-open", TRUE, NULL);
file_is_available = (device == NULL || thunar_device_is_mounted (device));
if (file_is_available)
{
files = g_list_append (NULL, file);
g_object_set (G_OBJECT (view->action_mgr), "current-directory", view->current_directory, NULL);
thunar_action_manager_set_selection (view->action_mgr, files, device, NULL);
g_list_free (files);
if (thunar_g_file_is_trash (thunar_file_get_file (file)) || thunar_g_file_is_computer (thunar_file_get_file (file)) || thunar_g_file_is_network (thunar_file_get_file (file)))
{
thunar_action_manager_append_menu_item (view->action_mgr, GTK_MENU_SHELL (context_menu), THUNAR_ACTION_MANAGER_ACTION_OPEN, TRUE);
thunar_action_manager_append_menu_item (view->action_mgr, GTK_MENU_SHELL (context_menu), THUNAR_ACTION_MANAGER_ACTION_OPEN_IN_TAB, TRUE);
thunar_action_manager_append_menu_item (view->action_mgr, GTK_MENU_SHELL (context_menu), THUNAR_ACTION_MANAGER_ACTION_OPEN_IN_WINDOW, TRUE);
xfce_gtk_menu_append_separator (GTK_MENU_SHELL (context_menu));
thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_EMPTY_TRASH);
}
else
{
thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_OPEN
| THUNAR_MENU_SECTION_SENDTO);
thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_CREATE_NEW_FILES
| THUNAR_MENU_SECTION_CUT
| THUNAR_MENU_SECTION_COPY_PASTE
| THUNAR_MENU_SECTION_TRASH_DELETE
| THUNAR_MENU_SECTION_RENAME
| THUNAR_MENU_SECTION_CUSTOM_ACTIONS);
}
thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_MOUNTABLE);
thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_PROPERTIES);
}
else
{
g_object_set (G_OBJECT (view->action_mgr), "selected-device", device, NULL);
thunar_action_manager_append_menu_item (view->action_mgr, GTK_MENU_SHELL (context_menu), THUNAR_ACTION_MANAGER_ACTION_OPEN, TRUE);
thunar_action_manager_append_menu_item (view->action_mgr, GTK_MENU_SHELL (context_menu), THUNAR_ACTION_MANAGER_ACTION_OPEN_IN_TAB, TRUE);
thunar_action_manager_append_menu_item (view->action_mgr, GTK_MENU_SHELL (context_menu), THUNAR_ACTION_MANAGER_ACTION_OPEN_IN_WINDOW, TRUE);
xfce_gtk_menu_append_separator (GTK_MENU_SHELL (context_menu));
thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_MOUNTABLE);
thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_PROPERTIES);
}
thunar_gtk_menu_hide_accel_labels (GTK_MENU (context_menu));
gtk_widget_show_all (GTK_WIDGET (context_menu));
window = gtk_widget_get_toplevel (GTK_WIDGET (view));
thunar_window_redirect_menu_tooltips_to_statusbar (THUNAR_WINDOW (window), GTK_MENU (context_menu));
thunar_gtk_menu_run (GTK_MENU (context_menu));
/* cleanup */
if (G_UNLIKELY (device != NULL))
g_object_unref (G_OBJECT (device));
if (G_LIKELY (file != NULL))
g_object_unref (G_OBJECT (file));
}
static GdkDragAction
thunar_tree_view_get_dest_actions (ThunarTreeView *view,
GdkDragContext *context,
gint x,
gint y,
guint timestamp,
ThunarFile **file_return)
{
GdkDragAction actions = 0;
GdkDragAction action = 0;
GtkTreePath *path = NULL;
GtkTreeIter iter;
ThunarFile *file = NULL;
/* cancel any previously active expand timer */
if (G_LIKELY (view->expand_timer_id != 0))
g_source_remove (view->expand_timer_id);
/* determine the path for x/y */
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (view), x, y, &path, NULL, NULL, NULL))
{
/* determine the iter for the given path */
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (view->model), &iter, path))
{
/* determine the file for the given path */
gtk_tree_model_get (GTK_TREE_MODEL (view->model), &iter, THUNAR_TREE_MODEL_COLUMN_FILE, &file, -1);
if (G_LIKELY (file != NULL))
{
/* check if the file accepts the drop */
actions = thunar_file_accepts_drop (file, view->drop_file_list, context, &action);
if (G_UNLIKELY (actions == 0))
{
/* reset file */
g_object_unref (G_OBJECT (file));
file = NULL;
}
}
}
}
/* setup the new drag dest row */
gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (view), path, GTK_TREE_VIEW_DROP_INTO_OR_BEFORE);
/* check if we have drag dest row */
if (G_LIKELY (path != NULL))
{
/* schedule a new expand timer to expand the drag dest row */
view->expand_timer_id = g_timeout_add_full (G_PRIORITY_LOW, THUNAR_TREE_VIEW_EXPAND_TIMEOUT,
thunar_tree_view_expand_timer, view,
thunar_tree_view_expand_timer_destroy);
}
/* setup the new "drop-file" */
g_object_set (G_OBJECT (view->icon_renderer), "drop-file", file, NULL);
/* tell Gdk whether we can drop here */
gdk_drag_status (context, action, timestamp);
/* return the file if requested */
if (G_LIKELY (file_return != NULL))
{
*file_return = file;
file = NULL;
}
else if (G_UNLIKELY (file != NULL))
{
/* release the file */
g_object_unref (G_OBJECT (file));
}
/* clean up */
if (G_LIKELY (path != NULL))
gtk_tree_path_free (path);
return actions;
}
/**
* thunar_tree_view_get_selected_file:
* @view : a #ThunarTreeView instance.
*
* Returns the selected #ThunarFile, or %NULL if no valid selection was found.
* The caller is responsible to call g_object_unref() on the #ThunarFile after usage.
*
* Return value: (nullable) (transfer full): The selected #ThunarFile or %NULL.
**/
static ThunarFile *
thunar_tree_view_get_selected_file (ThunarTreeView *view)
{
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
ThunarFile *file = NULL;
/* determine file for the selected row */
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
/* avoid dealing with invalid selections (may occur when the mount_finish()
* handler is called and the tree view has been hidden already) */
if (!GTK_IS_TREE_SELECTION (selection))
return NULL;
if (gtk_tree_selection_get_selected (selection, &model, &iter))
gtk_tree_model_get (model, &iter, THUNAR_TREE_MODEL_COLUMN_FILE, &file, -1);
return file;
}
static ThunarDevice *
thunar_tree_view_get_selected_device (ThunarTreeView *view)
{
GtkTreeSelection *selection;
ThunarDevice *device = NULL;
GtkTreeModel *model;
GtkTreeIter iter;
/* determine file for the selected row */
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
if (gtk_tree_selection_get_selected (selection, &model, &iter))
gtk_tree_model_get (model, &iter, THUNAR_TREE_MODEL_COLUMN_DEVICE, &device, -1);
return device;
}
static void
thunar_tree_view_action_unlink_selected_folder (ThunarTreeView *view,
gboolean permanently)
{
ThunarApplication *application;
ThunarFile *file;
GList file_list;
gboolean warn;
_thunar_return_if_fail (THUNAR_IS_TREE_VIEW (view));
/* determine the selected file */
file = thunar_tree_view_get_selected_file (view);
if (G_LIKELY (file != NULL))
{
if (thunar_file_can_be_trashed (file))
{
/* fake a file list */
file_list.data = file;
file_list.next = NULL;
file_list.prev = NULL;
/* delete the file */
if (permanently)
warn = TRUE;
else
g_object_get (G_OBJECT (view->preferences), "misc-confirm-move-to-trash", &warn, NULL);
application = thunar_application_get ();
thunar_application_unlink_files (application, GTK_WIDGET (view), &file_list, permanently, warn, THUNAR_OPERATION_LOG_OPERATIONS);
g_object_unref (G_OBJECT (application));
}
/* release the file */
g_object_unref (G_OBJECT (file));
}
}
static void
thunar_tree_view_action_move_to_trash (ThunarTreeView *view)
{
thunar_tree_view_action_unlink_selected_folder (view, FALSE);
}
static void
thunar_tree_view_action_delete (ThunarTreeView *view)
{
thunar_tree_view_action_unlink_selected_folder (view, TRUE);
}
static void
thunar_tree_view_action_open (ThunarTreeView *view)
{
ThunarFile *file;
ThunarDevice *device;
device = thunar_tree_view_get_selected_device (view);
file = thunar_tree_view_get_selected_file (view);
if (device != NULL)
{
if (thunar_device_is_mounted (device))
thunar_tree_view_open_selection (view);
else
{
g_object_set (G_OBJECT (view->action_mgr), "selected-device", device, NULL);
thunar_action_manager_action_mount (view->action_mgr);
}
}
else if (file != NULL)
{
thunar_tree_view_open_selection (view);
}
if (device != NULL)
g_object_unref (device);
if (file != NULL)
g_object_unref (file);
}
static void
thunar_tree_view_open_selection (ThunarTreeView *view)
{
ThunarFile *file;
_thunar_return_if_fail (THUNAR_IS_TREE_VIEW (view));
/* determine the selected file */
file = thunar_tree_view_get_selected_file (view);
if (G_LIKELY (file != NULL))
{
/* open that folder in the main view */
thunar_navigator_change_directory (THUNAR_NAVIGATOR (view), file);
g_object_unref (file);
}
}
static void
thunar_tree_view_select_files (ThunarTreeView *view,
GList *files_to_selected)
{
ThunarFile *file = NULL;
_thunar_return_if_fail (THUNAR_IS_TREE_VIEW (view));
/* check if we have exactly one new path */
if (G_UNLIKELY (files_to_selected == NULL || files_to_selected->next != NULL))
return;
/* determine the file for the first path */
file = thunar_file_get (G_FILE (files_to_selected->data), NULL);
if (G_LIKELY (file != NULL))
{
if (G_LIKELY (thunar_file_is_directory (file)))
thunar_navigator_change_directory (THUNAR_NAVIGATOR (view), file);
g_object_unref (file);
}
}
static gboolean
thunar_tree_view_visible_func (ThunarTreeModel *model,
ThunarFile *file,
gpointer user_data)
{
ThunarTreeView *view;
gboolean visible = TRUE;
_thunar_return_val_if_fail (THUNAR_IS_FILE (file), FALSE);
_thunar_return_val_if_fail (THUNAR_IS_TREE_MODEL (model), FALSE);
_thunar_return_val_if_fail (THUNAR_IS_TREE_VIEW (user_data), FALSE);
/* if show_hidden is TRUE, nothing is filtered */
view = THUNAR_TREE_VIEW (user_data);
if (G_LIKELY (!view->show_hidden))
{
/* we display all non-hidden file and hidden files that are ancestors of the current directory */
visible = !thunar_file_is_hidden (file) || (view->current_directory == file)
|| (view->current_directory != NULL && thunar_file_is_ancestor (view->current_directory, file));
}
return visible;
}
static gboolean
thunar_tree_view_selection_func (GtkTreeSelection *selection,
GtkTreeModel *model,
GtkTreePath *path,
gboolean path_currently_selected,
gpointer user_data)
{
GtkTreeIter iter;
ThunarFile *file;
gboolean result = FALSE;
ThunarDevice *device;
/* every row may be unselected at any time */
if (path_currently_selected)
return TRUE;
/* determine the iterator for the path */
if (gtk_tree_model_get_iter (model, &iter, path))
{
/* determine the file for the iterator */
gtk_tree_model_get (model, &iter, THUNAR_TREE_MODEL_COLUMN_FILE, &file, -1);
if (G_LIKELY (file != NULL))
{
/* rows with files can be selected */
result = TRUE;
/* release file */
g_object_unref (file);
}
else
{
/* but maybe the row has a device */
gtk_tree_model_get (model, &iter, THUNAR_TREE_MODEL_COLUMN_DEVICE, &device, -1);
if (G_LIKELY (device != NULL))
{
/* rows with devices can also be selected */
result = TRUE;
/* release device */
g_object_unref (device);
}
}
}
return result;
}
static gboolean
thunar_tree_view_set_cursor (gpointer user_data)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (user_data);
GtkTreePath *path;
GtkTreeIter iter;
ThunarFile *file;
ThunarFolder *folder;
GFileInfo *file_info;
GtkTreeIter child_iter;
ThunarFile *file_in_tree;
gboolean done = FALSE;
GList *lp;
GList *path_as_list = NULL;
/* Stop attempt to set the cursor if we fail to do so after 5 seconds */
if (time (NULL) > view->set_cursor_start_timestamp + 5)
{
g_warning ("Failed to set the tree-view cursor in less than 5 seconds. Aborting the operation.");
return FALSE;
}
/* for easier navigation, we sometimes want to force/keep selection of a certain path */
if (view->select_path != NULL)
{
gtk_tree_view_set_cursor (GTK_TREE_VIEW (view), view->select_path, NULL, FALSE);
gtk_tree_path_free (view->select_path);
view->select_path = NULL;
return FALSE;
}
/* verify that we still have a current directory */
if (G_UNLIKELY (view->current_directory == NULL))
return FALSE;
/* get the preferred toplevel path for the current directory */
path = thunar_tree_view_get_preferred_toplevel_path (view, view->current_directory);
/* if no path could be determined, remove the current selection and return */
if (path == NULL)
{
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
if (GTK_IS_TREE_SELECTION (selection))
gtk_tree_selection_unselect_all (selection);
return FALSE;
}
gtk_tree_model_get_iter (GTK_TREE_MODEL (view->model), &iter, path);
gtk_tree_path_free (path);
/* collect all ThunarFiles in the path of current_directory in a List. root is on the very left side */
for (file = view->current_directory; file != NULL; file = thunar_file_get_parent (file, NULL))
path_as_list = g_list_prepend (path_as_list, file);
/* 1. skip files on path_as_list till we found the beginning of the tree (which e.g. may start at $HOME */
gtk_tree_model_get (GTK_TREE_MODEL (view->model), &iter, THUNAR_TREE_MODEL_COLUMN_FILE, &file_in_tree, -1);
for (lp = path_as_list; lp != NULL; lp = lp->next)
{
if (THUNAR_FILE (lp->data) == file_in_tree)
break;
}
if (file_in_tree)
g_object_unref (file_in_tree);
/* 2. loop on the remaining path_as_list */
for (; lp != NULL; lp = lp->next)
{
file = THUNAR_FILE (lp->data);
/* 3. Check if the contents of the corresponding folder is still being loaded */
folder = thunar_folder_get_for_file (file);
if (folder != NULL && thunar_folder_get_loading (folder))
{
g_object_unref (folder);
break;
}
if (folder)
g_object_unref (folder);
/* 4. Loop on all items of current tree-level to see if any folder matches the path we search */
while (TRUE)
{
gtk_tree_model_get (GTK_TREE_MODEL (view->model), &iter, THUNAR_TREE_MODEL_COLUMN_FILE, &file_in_tree, -1);
if (file == file_in_tree)
{
g_object_unref (file_in_tree);
break;
}
if (file_in_tree)
g_object_unref (file_in_tree);
if (!gtk_tree_model_iter_next (GTK_TREE_MODEL (view->model), &iter))
break;
}
/* 5. Did we already find the full path ?*/
if (lp->next == NULL)
{
path = gtk_tree_model_get_path (GTK_TREE_MODEL (view->model), &iter);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (view), path, NULL, FALSE);
gtk_tree_path_free (path);
done = TRUE;
break;
}
/* 6. Get all children of the current tree iter */
/* Try to create missing children on the tree if there are none */
if (!gtk_tree_model_iter_children (GTK_TREE_MODEL (view->model), &child_iter, &iter))
{
if (file == NULL) /* e.g root has no parent .. skip it */
continue;
file_info = thunar_file_get_info (file);
if (file_info != NULL)
{
/* E.g. folders for which we do not have read permission dont have any child in the tree */
/* Make sure that missing read permissions are the problem */
if (!g_file_info_get_attribute_boolean (file_info, G_FILE_ATTRIBUTE_ACCESS_CAN_READ))
{
/* We KNOW that there is a File. Lets just create the required tree-node */
thunar_tree_model_add_child (view->model, iter.user_data, THUNAR_FILE (lp->next->data));
}
}
break; /* we dont have a valid child_iter by now, so we cannot continue. */
/* Since done is FALSE, the next iteration on thunar_tree_view_set_cursor will go deeper */
}
/* expand path up to the current tree level */
path = gtk_tree_model_get_path (GTK_TREE_MODEL (view->model), &iter);
gtk_tree_view_expand_to_path (GTK_TREE_VIEW (view), path);
gtk_tree_path_free (path);
iter = child_iter; /* next tree level */
}
/* tidy up */
for (lp = path_as_list; lp != NULL; lp = lp->next)
{
file = THUNAR_FILE (lp->data);
if (file != NULL && file != view->current_directory)
g_object_unref (file);
}
g_list_free (path_as_list);
return !done;
}
static void
set_cursor_event_source_destroy (gpointer user_data)
{
THUNAR_TREE_VIEW (user_data)->set_cursor_event_source_id = 0;
}
static gboolean
thunar_tree_view_drag_scroll_timer (gpointer user_data)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (user_data);
GtkAdjustment *vadjustment;
GtkTreePath *start_path;
GtkTreePath *end_path;
GtkTreePath *path;
GdkWindow *window;
GdkSeat *seat;
GdkDevice *pointer;
gfloat value;
gint offset;
gint y, h;
/* verify that we are realized */
if (gtk_widget_get_realized (GTK_WIDGET (view)))
{
/* determine pointer location and window geometry */
window = gtk_widget_get_window (GTK_WIDGET (view));
seat = gdk_display_get_default_seat (gdk_display_get_default ());
pointer = gdk_seat_get_pointer (seat);
gdk_window_get_device_position (window, pointer, NULL, &y, NULL);
gdk_window_get_geometry (window, NULL, NULL, NULL, &h);
/* check if we are near the edge */
offset = y - (2 * 20);
if (G_UNLIKELY (offset > 0))
offset = MAX (y - (h - 2 * 20), 0);
/* change the vertical adjustment appropriately */
if (G_UNLIKELY (offset != 0))
{
/* determine the vertical adjustment */
vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (view));
/* determine the new value */
value = CLAMP (gtk_adjustment_get_value (vadjustment) + 2 * offset, gtk_adjustment_get_lower (vadjustment), gtk_adjustment_get_upper (vadjustment) - gtk_adjustment_get_page_size (vadjustment));
/* check if we have a new value */
if (G_UNLIKELY (gtk_adjustment_get_value (vadjustment) != value))
{
/* apply the new value */
gtk_adjustment_set_value (vadjustment, value);
/* drop any pending expand timer source, as its confusing
* if a path is expanded while scrolling through the view.
* reschedule it if the drag dest path is still visible.
*/
if (G_UNLIKELY (view->expand_timer_id != 0))
{
/* drop the current expand timer source */
g_source_remove (view->expand_timer_id);
/* determine the visible range of the tree view */
if (gtk_tree_view_get_visible_range (GTK_TREE_VIEW (view), &start_path, &end_path))
{
/* determine the drag dest row */
gtk_tree_view_get_drag_dest_row (GTK_TREE_VIEW (view), &path, NULL);
if (G_LIKELY (path != NULL))
{
/* check if the drag dest row is currently visible */
if (gtk_tree_path_compare (path, start_path) >= 0 && gtk_tree_path_compare (path, end_path) <= 0)
{
/* schedule a new expand timer to expand the drag dest row */
view->expand_timer_id = g_timeout_add_full (G_PRIORITY_LOW, THUNAR_TREE_VIEW_EXPAND_TIMEOUT,
thunar_tree_view_expand_timer, view,
thunar_tree_view_expand_timer_destroy);
}
/* release the drag dest row */
gtk_tree_path_free (path);
}
/* release the start/end paths */
gtk_tree_path_free (start_path);
gtk_tree_path_free (end_path);
}
}
}
}
}
return TRUE;
}
static void
thunar_tree_view_drag_scroll_timer_destroy (gpointer user_data)
{
THUNAR_TREE_VIEW (user_data)->drag_scroll_timer_id = 0;
}
static gboolean
thunar_tree_view_expand_timer (gpointer user_data)
{
ThunarTreeView *view = THUNAR_TREE_VIEW (user_data);
GtkTreePath *path;
/* cancel the drag autoscroll timer when expanding a row */
if (G_UNLIKELY (view->drag_scroll_timer_id != 0))
g_source_remove (view->drag_scroll_timer_id);
/* determine the drag dest row */
gtk_tree_view_get_drag_dest_row (GTK_TREE_VIEW (view), &path, NULL);
if (G_LIKELY (path != NULL))
{
/* expand the drag dest row */
gtk_tree_view_expand_row (GTK_TREE_VIEW (view), path, FALSE);
gtk_tree_path_free (path);
}
return FALSE;
}
static void
thunar_tree_view_expand_timer_destroy (gpointer user_data)
{
THUNAR_TREE_VIEW (user_data)->expand_timer_id = 0;
}
/**
* thunar_tree_view_get_show_hidden:
* @view : a #ThunarTreeView.
*
* Returns %TRUE if hidden and backup folders are
* shown in @view.
*
* Return value: %TRUE if hidden folders are shown.
**/
static gboolean
thunar_tree_view_get_show_hidden (ThunarTreeView *view)
{
_thunar_return_val_if_fail (THUNAR_IS_TREE_VIEW (view), FALSE);
return view->show_hidden;
}
/**
* thunar_tree_view_set_show_hidden:
* @view : a #ThunarTreeView.
* @show_hidden : %TRUE to show hidden and backup folders.
*
* If @show_hidden is %TRUE, @view will shown hidden and
* backup folders. Else, these folders will be hidden.
**/
static void
thunar_tree_view_set_show_hidden (ThunarTreeView *view,
gboolean show_hidden)
{
_thunar_return_if_fail (THUNAR_IS_TREE_VIEW (view));
_thunar_return_if_fail (THUNAR_IS_TREE_MODEL (view->model));
/* normalize the value */
show_hidden = !!show_hidden;
/* check if we have a new setting */
if (view->show_hidden != show_hidden)
{
/* apply the new setting */
view->show_hidden = show_hidden;
/* update the model */
thunar_tree_model_refilter (view->model);
/* notify listeners */
g_object_notify (G_OBJECT (view), "show-hidden");
}
}
/**
* thunar_tree_view_get_preferred_toplevel_path:
* @view : a #ThunarTreeView.
* @file : the #ThunarFile we want the toplevel path for
*
* Searches for the best-matching toplevel path in the
* following order:
* 1) the currently active one
* 2) any mounted device or network resource
* 3) the user's home directory
* 4) the root filesystem
*
* Returns the #GtkTreePath for the matching toplevel item,
* or %NULL if not found. The path should be freed with gtk_tree_path_free().
**/
static GtkTreePath *
thunar_tree_view_get_preferred_toplevel_path (ThunarTreeView *view,
ThunarFile *file)
{
GtkTreeModel *model = GTK_TREE_MODEL (view->model);
GtkTreePath *path = NULL;
GtkTreeIter iter;
ThunarFile *toplevel_file;
GFile *home;
GFile *root;
GFile *best_match;
_thunar_return_val_if_fail (THUNAR_IS_FILE (file), NULL);
/* get active toplevel path and check if we can use it */
gtk_tree_view_get_cursor (GTK_TREE_VIEW (view), &path, NULL);
if (path != NULL)
{
if (gtk_tree_path_get_depth (path) != 1)
while (gtk_tree_path_get_depth (path) > 1)
gtk_tree_path_up (path);
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (view->model), &iter, path))
{
/* lookup file for the toplevel item */
gtk_tree_model_get (GTK_TREE_MODEL (view->model), &iter, THUNAR_TREE_MODEL_COLUMN_FILE, &toplevel_file, -1);
if (toplevel_file)
{
/* check if the toplevel file is an ancestor */
if (thunar_file_is_ancestor (file, toplevel_file))
{
g_object_unref (toplevel_file);
return path;
}
g_object_unref (toplevel_file);
}
}
gtk_tree_path_free (path);
path = NULL;
}
/* check whether the root node is available */
if (!gtk_tree_model_get_iter_first (model, &iter))
return NULL;
/* get GFiles for special toplevel items */
home = thunar_g_file_new_for_home ();
root = thunar_g_file_new_for_root ();
/* we prefer certain toplevel items to others */
if (thunar_file_is_gfile_ancestor (file, home))
best_match = home;
else if (thunar_file_is_gfile_ancestor (file, root))
best_match = root;
else
best_match = NULL;
/* loop over all top-level nodes to find the best-matching top-level item */
do
{
gtk_tree_model_get (model, &iter, THUNAR_TREE_MODEL_COLUMN_FILE, &toplevel_file, -1);
/* this toplevel item has no file, so continue with the next */
if (toplevel_file == NULL)
continue;
/* if the file matches the toplevel item exactly, we are done */
if (g_file_equal (thunar_file_get_file (file),
thunar_file_get_file (toplevel_file)))
{
gtk_tree_path_free (path);
path = gtk_tree_model_get_path (model, &iter);
g_object_unref (toplevel_file);
break;
}
if (thunar_file_is_ancestor (file, toplevel_file))
{
/* the toplevel item could be a mounted device or network
* and we prefer this to everything else */
if (!g_file_equal (thunar_file_get_file (toplevel_file), home) && !g_file_equal (thunar_file_get_file (toplevel_file), root))
{
gtk_tree_path_free (path);
g_object_unref (toplevel_file);
path = gtk_tree_model_get_path (model, &iter);
break;
}
/* continue if the toplevel item is already the best match */
if (best_match != NULL && g_file_equal (thunar_file_get_file (toplevel_file), best_match))
{
gtk_tree_path_free (path);
g_object_unref (toplevel_file);
path = gtk_tree_model_get_path (model, &iter);
continue;
}
/* remember this ancestor if we do not already have one */
if (path == NULL)
{
gtk_tree_path_free (path);
path = gtk_tree_model_get_path (model, &iter);
}
}
g_object_unref (toplevel_file);
}
while (gtk_tree_model_iter_next (model, &iter));
/* cleanup */
g_object_unref (root);
g_object_unref (home);
return path;
}
/**
* thunar_tree_view_new:
*
* Allocates a new #ThunarTreeView instance.
*
* Return value: the newly allocated #ThunarTreeView instance.
**/
GtkWidget *
thunar_tree_view_new (void)
{
return g_object_new (THUNAR_TYPE_TREE_VIEW, NULL);
}
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