mirror of
https://gitlab.gnome.org/GNOME/nautilus
synced 2024-08-24 18:25:50 +00:00
![Cosimo Cecchi](/assets/img/avatar_default.png)
2008-10-06 Cosimo Cecchi <cosimoc@gnome.org> * libnautilus-private/nautilus-bookmark.c: * libnautilus-private/nautilus-desktop-directory.c: * libnautilus-private/nautilus-icon-container.c: * libnautilus-private/nautilus-merged-directory.c: * libnautilus-private/nautilus-module.c: * libnautilus-private/nautilus-module.h: * libnautilus-private/nautilus-search-directory.c: * libnautilus-private/nautilus-signaller.c: * libnautilus-private/nautilus-tree-view-drag-dest.c: * src/file-manager/fm-icon-container.c: * src/nautilus-application.c: * src/nautilus-desktop-window.c: * src/nautilus-file-management-properties-main.c: * src/nautilus-zoom-control.c: Use G_DEFINE_TYPE instead of libgnome macros. svn path=/trunk/; revision=14686
987 lines
23 KiB
C
987 lines
23 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
|
|
|
|
/*
|
|
* Nautilus
|
|
*
|
|
* Copyright (C) 2002 Sun Microsystems, Inc.
|
|
*
|
|
* Nautilus 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.
|
|
*
|
|
* Nautilus 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.
|
|
*
|
|
* Author: Dave Camp <dave@ximian.com>
|
|
*/
|
|
|
|
/* nautilus-tree-view-drag-dest.c: Handles drag and drop for treeviews which
|
|
* contain a hierarchy of files
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include "nautilus-tree-view-drag-dest.h"
|
|
|
|
#include <eel/eel-gtk-macros.h>
|
|
#include <gtk/gtk.h>
|
|
#include "nautilus-file-dnd.h"
|
|
#include "nautilus-icon-dnd.h"
|
|
#include "nautilus-link.h"
|
|
#include "nautilus-marshal.h"
|
|
|
|
#define AUTO_SCROLL_MARGIN 20
|
|
|
|
#define HOVER_EXPAND_TIMEOUT 1000
|
|
|
|
struct _NautilusTreeViewDragDestDetails {
|
|
GtkTreeView *tree_view;
|
|
|
|
gboolean drop_occurred;
|
|
|
|
gboolean have_drag_data;
|
|
guint drag_type;
|
|
GtkSelectionData *drag_data;
|
|
GList *drag_list;
|
|
|
|
guint highlight_id;
|
|
guint scroll_id;
|
|
guint expand_id;
|
|
};
|
|
|
|
enum {
|
|
GET_ROOT_URI,
|
|
GET_FILE_FOR_PATH,
|
|
MOVE_COPY_ITEMS,
|
|
HANDLE_NETSCAPE_URL,
|
|
HANDLE_URI_LIST,
|
|
HANDLE_TEXT,
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
static void nautilus_tree_view_drag_dest_init (NautilusTreeViewDragDest *dest);
|
|
static void nautilus_tree_view_drag_dest_class_init (NautilusTreeViewDragDestClass *class);
|
|
|
|
static guint signals[LAST_SIGNAL];
|
|
|
|
G_DEFINE_TYPE (NautilusTreeViewDragDest, nautilus_tree_view_drag_dest,
|
|
G_TYPE_OBJECT);
|
|
#define parent_class nautilus_tree_view_drag_dest_parent_class
|
|
|
|
static const GtkTargetEntry drag_types [] = {
|
|
{ NAUTILUS_ICON_DND_GNOME_ICON_LIST_TYPE, 0, NAUTILUS_ICON_DND_GNOME_ICON_LIST },
|
|
/* prefer "_NETSCAPE_URL" over "text/uri-list" to satisfy web browsers. */
|
|
{ NAUTILUS_ICON_DND_NETSCAPE_URL_TYPE, 0, NAUTILUS_ICON_DND_NETSCAPE_URL },
|
|
{ NAUTILUS_ICON_DND_URI_LIST_TYPE, 0, NAUTILUS_ICON_DND_URI_LIST },
|
|
{ NAUTILUS_ICON_DND_KEYWORD_TYPE, 0, NAUTILUS_ICON_DND_KEYWORD }
|
|
};
|
|
|
|
|
|
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 (NautilusTreeViewDragDest *dest)
|
|
{
|
|
if (dest->details->scroll_id) {
|
|
g_source_remove (dest->details->scroll_id);
|
|
dest->details->scroll_id = 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
expand_timeout (gpointer data)
|
|
{
|
|
GtkTreeView *tree_view;
|
|
GtkTreePath *drop_path;
|
|
|
|
tree_view = GTK_TREE_VIEW (data);
|
|
|
|
gtk_tree_view_get_drag_dest_row (tree_view, &drop_path, NULL);
|
|
|
|
if (drop_path) {
|
|
gtk_tree_view_expand_row (tree_view, drop_path, FALSE);
|
|
gtk_tree_path_free (drop_path);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
remove_expand_timeout (NautilusTreeViewDragDest *dest)
|
|
{
|
|
if (dest->details->expand_id) {
|
|
g_source_remove (dest->details->expand_id);
|
|
dest->details->expand_id = 0;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
highlight_expose (GtkWidget *widget,
|
|
GdkEventExpose *event,
|
|
gpointer data)
|
|
{
|
|
GdkWindow *bin_window;
|
|
int width;
|
|
int height;
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget)) {
|
|
bin_window =
|
|
gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget));
|
|
|
|
gdk_drawable_get_size (bin_window, &width, &height);
|
|
|
|
gtk_paint_focus (widget->style,
|
|
bin_window,
|
|
GTK_WIDGET_STATE (widget),
|
|
NULL,
|
|
widget,
|
|
"treeview-drop-indicator",
|
|
0, 0, width, height);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
set_widget_highlight (NautilusTreeViewDragDest *dest, gboolean highlight)
|
|
{
|
|
if (!highlight && dest->details->highlight_id) {
|
|
g_signal_handler_disconnect (dest->details->tree_view,
|
|
dest->details->highlight_id);
|
|
dest->details->highlight_id = 0;
|
|
gtk_widget_queue_draw (GTK_WIDGET (dest->details->tree_view));
|
|
}
|
|
|
|
if (highlight && !dest->details->highlight_id) {
|
|
dest->details->highlight_id =
|
|
g_signal_connect_object (dest->details->tree_view,
|
|
"expose_event",
|
|
G_CALLBACK (highlight_expose),
|
|
dest, 0);
|
|
gtk_widget_queue_draw (GTK_WIDGET (dest->details->tree_view));
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_drag_dest_row (NautilusTreeViewDragDest *dest,
|
|
GtkTreePath *path)
|
|
{
|
|
if (path) {
|
|
set_widget_highlight (dest, FALSE);
|
|
gtk_tree_view_set_drag_dest_row
|
|
(dest->details->tree_view,
|
|
path,
|
|
GTK_TREE_VIEW_DROP_INTO_OR_BEFORE);
|
|
} else {
|
|
set_widget_highlight (dest, TRUE);
|
|
gtk_tree_view_set_drag_dest_row (dest->details->tree_view,
|
|
NULL,
|
|
0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
clear_drag_dest_row (NautilusTreeViewDragDest *dest)
|
|
{
|
|
gtk_tree_view_set_drag_dest_row (dest->details->tree_view, NULL, 0);
|
|
set_widget_highlight (dest, FALSE);
|
|
}
|
|
|
|
static void
|
|
get_drag_data (NautilusTreeViewDragDest *dest,
|
|
GdkDragContext *context,
|
|
guint32 time)
|
|
{
|
|
GdkAtom target;
|
|
|
|
target = gtk_drag_dest_find_target (GTK_WIDGET (dest->details->tree_view),
|
|
context,
|
|
NULL);
|
|
|
|
gtk_drag_get_data (GTK_WIDGET (dest->details->tree_view),
|
|
context, target, time);
|
|
}
|
|
|
|
static void
|
|
free_drag_data (NautilusTreeViewDragDest *dest)
|
|
{
|
|
dest->details->have_drag_data = FALSE;
|
|
|
|
if (dest->details->drag_data) {
|
|
gtk_selection_data_free (dest->details->drag_data);
|
|
dest->details->drag_data = NULL;
|
|
}
|
|
|
|
if (dest->details->drag_list) {
|
|
nautilus_drag_destroy_selection_list (dest->details->drag_list);
|
|
dest->details->drag_list = NULL;
|
|
}
|
|
}
|
|
|
|
static char *
|
|
get_root_uri (NautilusTreeViewDragDest *dest)
|
|
{
|
|
char *uri;
|
|
|
|
g_signal_emit (dest, signals[GET_ROOT_URI], 0, &uri);
|
|
|
|
return uri;
|
|
}
|
|
|
|
static NautilusFile *
|
|
file_for_path (NautilusTreeViewDragDest *dest, GtkTreePath *path)
|
|
{
|
|
NautilusFile *file;
|
|
char *uri;
|
|
|
|
if (path) {
|
|
g_signal_emit (dest, signals[GET_FILE_FOR_PATH], 0, path, &file);
|
|
} else {
|
|
uri = get_root_uri (dest);
|
|
|
|
file = NULL;
|
|
if (uri != NULL) {
|
|
file = nautilus_file_get_by_uri (uri);
|
|
}
|
|
|
|
g_free (uri);
|
|
}
|
|
|
|
return file;
|
|
}
|
|
|
|
static GtkTreePath *
|
|
get_drop_path (NautilusTreeViewDragDest *dest,
|
|
GtkTreePath *path)
|
|
{
|
|
NautilusFile *file;
|
|
GtkTreePath *ret;
|
|
|
|
if (!path || !dest->details->have_drag_data) {
|
|
return NULL;
|
|
}
|
|
|
|
ret = gtk_tree_path_copy (path);
|
|
file = file_for_path (dest, ret);
|
|
|
|
/* Go up the tree until we find a file that can accept a drop */
|
|
while (file == NULL /* dummy row */ ||
|
|
!nautilus_drag_can_accept_info (file,
|
|
dest->details->drag_type,
|
|
dest->details->drag_list)) {
|
|
if (gtk_tree_path_get_depth (ret) == 1) {
|
|
gtk_tree_path_free (ret);
|
|
ret = NULL;
|
|
break;
|
|
} else {
|
|
gtk_tree_path_up (ret);
|
|
|
|
nautilus_file_unref (file);
|
|
file = file_for_path (dest, ret);
|
|
}
|
|
}
|
|
nautilus_file_unref (file);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static char *
|
|
get_drop_target_uri_for_path (NautilusTreeViewDragDest *dest,
|
|
GtkTreePath *path)
|
|
{
|
|
NautilusFile *file;
|
|
char *target;
|
|
|
|
file = file_for_path (dest, path);
|
|
if (file == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
target = nautilus_file_get_drop_target_uri (file);
|
|
nautilus_file_unref (file);
|
|
|
|
return target;
|
|
}
|
|
|
|
static guint
|
|
get_drop_action (NautilusTreeViewDragDest *dest,
|
|
GdkDragContext *context,
|
|
GtkTreePath *path)
|
|
{
|
|
char *drop_target;
|
|
int action;
|
|
|
|
if (!dest->details->have_drag_data ||
|
|
(dest->details->drag_type == NAUTILUS_ICON_DND_GNOME_ICON_LIST &&
|
|
dest->details->drag_list == NULL)) {
|
|
return 0;
|
|
}
|
|
|
|
switch (dest->details->drag_type) {
|
|
case NAUTILUS_ICON_DND_GNOME_ICON_LIST :
|
|
drop_target = get_drop_target_uri_for_path (dest, path);
|
|
|
|
if (!drop_target) {
|
|
return 0;
|
|
}
|
|
|
|
nautilus_drag_default_drop_action_for_icons
|
|
(context,
|
|
drop_target,
|
|
dest->details->drag_list,
|
|
&action);
|
|
|
|
g_free (drop_target);
|
|
|
|
return action;
|
|
|
|
case NAUTILUS_ICON_DND_NETSCAPE_URL:
|
|
drop_target = get_drop_target_uri_for_path (dest, path);
|
|
|
|
if (drop_target == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
action = nautilus_drag_default_drop_action_for_netscape_url (context);
|
|
|
|
g_free (drop_target);
|
|
|
|
return action;
|
|
|
|
case NAUTILUS_ICON_DND_URI_LIST :
|
|
drop_target = get_drop_target_uri_for_path (dest, path);
|
|
|
|
if (drop_target == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
g_free (drop_target);
|
|
|
|
return context->suggested_action;
|
|
|
|
case NAUTILUS_ICON_DND_TEXT:
|
|
return GDK_ACTION_COPY;
|
|
|
|
case NAUTILUS_ICON_DND_KEYWORD:
|
|
|
|
if (!path) {
|
|
return 0;
|
|
}
|
|
|
|
return GDK_ACTION_COPY;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static gboolean
|
|
drag_motion_callback (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
int x,
|
|
int y,
|
|
guint32 time,
|
|
gpointer data)
|
|
{
|
|
NautilusTreeViewDragDest *dest;
|
|
GtkTreePath *path;
|
|
GtkTreePath *drop_path, *old_drop_path;
|
|
GtkTreeModel *model;
|
|
GtkTreeIter drop_iter;
|
|
GtkTreeViewDropPosition pos;
|
|
GdkWindow *bin_window;
|
|
guint action;
|
|
|
|
dest = NAUTILUS_TREE_VIEW_DRAG_DEST (data);
|
|
|
|
gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
|
|
x, y, &path, &pos);
|
|
|
|
|
|
if (!dest->details->have_drag_data) {
|
|
get_drag_data (dest, context, time);
|
|
}
|
|
drop_path = get_drop_path (dest, path);
|
|
|
|
action = 0;
|
|
bin_window = gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget));
|
|
if (bin_window != NULL) {
|
|
int bin_x, bin_y;
|
|
gdk_window_get_position (bin_window, &bin_x, &bin_y);
|
|
if (bin_y <= y) {
|
|
/* ignore drags on the header */
|
|
action = get_drop_action (dest, context, drop_path);
|
|
}
|
|
}
|
|
|
|
gtk_tree_view_get_drag_dest_row (GTK_TREE_VIEW (widget), &old_drop_path,
|
|
NULL);
|
|
|
|
if (action) {
|
|
set_drag_dest_row (dest, drop_path);
|
|
model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
|
|
if (drop_path == NULL || (old_drop_path != NULL &&
|
|
gtk_tree_path_compare (old_drop_path, drop_path) != 0)) {
|
|
remove_expand_timeout (dest);
|
|
}
|
|
if (dest->details->expand_id == 0 && drop_path != NULL) {
|
|
gtk_tree_model_get_iter (model, &drop_iter, drop_path);
|
|
if (gtk_tree_model_iter_has_child (model, &drop_iter)) {
|
|
dest->details->expand_id = g_timeout_add (HOVER_EXPAND_TIMEOUT,
|
|
expand_timeout,
|
|
dest->details->tree_view);
|
|
}
|
|
}
|
|
} else {
|
|
clear_drag_dest_row (dest);
|
|
remove_expand_timeout (dest);
|
|
}
|
|
|
|
if (path) {
|
|
gtk_tree_path_free (path);
|
|
}
|
|
|
|
if (drop_path) {
|
|
gtk_tree_path_free (drop_path);
|
|
}
|
|
|
|
if (old_drop_path) {
|
|
gtk_tree_path_free (old_drop_path);
|
|
}
|
|
|
|
if (dest->details->scroll_id == 0) {
|
|
dest->details->scroll_id =
|
|
g_timeout_add (150,
|
|
scroll_timeout,
|
|
dest->details->tree_view);
|
|
}
|
|
|
|
gdk_drag_status (context, action, time);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
drag_leave_callback (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
guint32 time,
|
|
gpointer data)
|
|
{
|
|
NautilusTreeViewDragDest *dest;
|
|
|
|
dest = NAUTILUS_TREE_VIEW_DRAG_DEST (data);
|
|
|
|
clear_drag_dest_row (dest);
|
|
|
|
free_drag_data (dest);
|
|
|
|
remove_scroll_timeout (dest);
|
|
remove_expand_timeout (dest);
|
|
}
|
|
|
|
static char *
|
|
get_drop_target_uri_at_pos (NautilusTreeViewDragDest *dest, int x, int y)
|
|
{
|
|
char *drop_target;
|
|
GtkTreePath *path;
|
|
GtkTreePath *drop_path;
|
|
GtkTreeViewDropPosition pos;
|
|
|
|
gtk_tree_view_get_dest_row_at_pos (dest->details->tree_view, x, y,
|
|
&path, &pos);
|
|
|
|
drop_path = get_drop_path (dest, path);
|
|
|
|
drop_target = get_drop_target_uri_for_path (dest, drop_path);
|
|
|
|
if (path != NULL) {
|
|
gtk_tree_path_free (path);
|
|
}
|
|
|
|
if (drop_path != NULL) {
|
|
gtk_tree_path_free (drop_path);
|
|
}
|
|
|
|
return drop_target;
|
|
}
|
|
|
|
static void
|
|
receive_uris (NautilusTreeViewDragDest *dest,
|
|
GdkDragContext *context,
|
|
GList *source_uris,
|
|
int x, int y)
|
|
{
|
|
char *drop_target;
|
|
GdkDragAction action;
|
|
|
|
drop_target = get_drop_target_uri_at_pos (dest, x, y);
|
|
g_assert (drop_target != NULL);
|
|
|
|
if (context->action == GDK_ACTION_ASK) {
|
|
if (nautilus_drag_selection_includes_special_link (dest->details->drag_list)) {
|
|
/* We only want to move the trash */
|
|
action = GDK_ACTION_MOVE;
|
|
} else {
|
|
action = GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_LINK;
|
|
}
|
|
context->action = nautilus_drag_drop_action_ask
|
|
(GTK_WIDGET (dest->details->tree_view), action);
|
|
}
|
|
|
|
/* We only want to copy external uris */
|
|
if (dest->details->drag_type == NAUTILUS_ICON_DND_URI_LIST) {
|
|
action = GDK_ACTION_COPY;
|
|
}
|
|
|
|
if (context->action > 0) {
|
|
if (!nautilus_drag_uris_local (drop_target, source_uris)) {
|
|
g_signal_emit (dest, signals[MOVE_COPY_ITEMS], 0,
|
|
source_uris,
|
|
drop_target,
|
|
context->action,
|
|
x, y);
|
|
}
|
|
}
|
|
|
|
g_free (drop_target);
|
|
}
|
|
|
|
static void
|
|
receive_dropped_icons (NautilusTreeViewDragDest *dest,
|
|
GdkDragContext *context,
|
|
int x, int y)
|
|
{
|
|
GList *source_uris;
|
|
GList *l;
|
|
|
|
/* FIXME: ignore local only moves */
|
|
|
|
if (!dest->details->drag_list) {
|
|
return;
|
|
}
|
|
|
|
source_uris = NULL;
|
|
for (l = dest->details->drag_list; l != NULL; l = l->next) {
|
|
source_uris = g_list_prepend (source_uris,
|
|
((NautilusDragSelectionItem *)l->data)->uri);
|
|
}
|
|
|
|
source_uris = g_list_reverse (source_uris);
|
|
|
|
receive_uris (dest, context, source_uris, x, y);
|
|
|
|
g_list_free (source_uris);
|
|
}
|
|
|
|
static void
|
|
receive_dropped_uri_list (NautilusTreeViewDragDest *dest,
|
|
GdkDragContext *context,
|
|
int x, int y)
|
|
{
|
|
char *drop_target;
|
|
|
|
if (!dest->details->drag_data) {
|
|
return;
|
|
}
|
|
|
|
drop_target = get_drop_target_uri_at_pos (dest, x, y);
|
|
g_assert (drop_target != NULL);
|
|
|
|
g_signal_emit (dest, signals[HANDLE_URI_LIST], 0,
|
|
(char*)dest->details->drag_data->data,
|
|
drop_target,
|
|
context->action,
|
|
x, y);
|
|
|
|
g_free (drop_target);
|
|
}
|
|
|
|
static void
|
|
receive_dropped_text (NautilusTreeViewDragDest *dest,
|
|
GdkDragContext *context,
|
|
int x, int y)
|
|
{
|
|
char *drop_target;
|
|
char *text;
|
|
|
|
if (!dest->details->drag_data) {
|
|
return;
|
|
}
|
|
|
|
drop_target = get_drop_target_uri_at_pos (dest, x, y);
|
|
g_assert (drop_target != NULL);
|
|
|
|
text = gtk_selection_data_get_text (dest->details->drag_data);
|
|
g_signal_emit (dest, signals[HANDLE_TEXT], 0,
|
|
(char *) text, drop_target,
|
|
context->action,
|
|
x, y);
|
|
|
|
g_free (text);
|
|
g_free (drop_target);
|
|
}
|
|
|
|
|
|
static void
|
|
receive_dropped_netscape_url (NautilusTreeViewDragDest *dest,
|
|
GdkDragContext *context,
|
|
int x, int y)
|
|
{
|
|
char *drop_target;
|
|
|
|
if (!dest->details->drag_data) {
|
|
return;
|
|
}
|
|
|
|
drop_target = get_drop_target_uri_at_pos (dest, x, y);
|
|
g_assert (drop_target != NULL);
|
|
|
|
g_signal_emit (dest, signals[HANDLE_NETSCAPE_URL], 0,
|
|
(char*)dest->details->drag_data->data,
|
|
drop_target,
|
|
context->action,
|
|
x, y);
|
|
|
|
g_free (drop_target);
|
|
}
|
|
|
|
static void
|
|
receive_dropped_keyword (NautilusTreeViewDragDest *dest,
|
|
GdkDragContext *context,
|
|
int x, int y)
|
|
{
|
|
char *drop_target_uri;
|
|
NautilusFile *drop_target_file;
|
|
|
|
if (!dest->details->drag_data) {
|
|
return;
|
|
}
|
|
|
|
drop_target_uri = get_drop_target_uri_at_pos (dest, x, y);
|
|
g_assert (drop_target_uri != NULL);
|
|
|
|
drop_target_file = nautilus_file_get_by_uri (drop_target_uri);
|
|
|
|
if (drop_target_file != NULL) {
|
|
nautilus_drag_file_receive_dropped_keyword (drop_target_file,
|
|
(char *) dest->details->drag_data->data);
|
|
nautilus_file_unref (drop_target_file);
|
|
}
|
|
|
|
g_free (drop_target_uri);
|
|
}
|
|
|
|
static gboolean
|
|
drag_data_received_callback (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
int x,
|
|
int y,
|
|
GtkSelectionData *selection_data,
|
|
guint info,
|
|
guint32 time,
|
|
gpointer data)
|
|
{
|
|
NautilusTreeViewDragDest *dest;
|
|
gboolean success;
|
|
|
|
dest = NAUTILUS_TREE_VIEW_DRAG_DEST (data);
|
|
|
|
if (!dest->details->have_drag_data) {
|
|
dest->details->have_drag_data = TRUE;
|
|
dest->details->drag_type = info;
|
|
dest->details->drag_data =
|
|
gtk_selection_data_copy (selection_data);
|
|
if (info == NAUTILUS_ICON_DND_GNOME_ICON_LIST) {
|
|
dest->details->drag_list =
|
|
nautilus_drag_build_selection_list (selection_data);
|
|
}
|
|
}
|
|
|
|
if (dest->details->drop_occurred) {
|
|
success = FALSE;
|
|
switch (info) {
|
|
case NAUTILUS_ICON_DND_GNOME_ICON_LIST :
|
|
receive_dropped_icons (dest, context, x, y);
|
|
success = TRUE;
|
|
break;
|
|
case NAUTILUS_ICON_DND_NETSCAPE_URL :
|
|
receive_dropped_netscape_url (dest, context, x, y);
|
|
success = TRUE;
|
|
break;
|
|
case NAUTILUS_ICON_DND_URI_LIST :
|
|
receive_dropped_uri_list (dest, context, x, y);
|
|
success = TRUE;
|
|
break;
|
|
case NAUTILUS_ICON_DND_TEXT:
|
|
receive_dropped_text (dest, context, x, y);
|
|
success = TRUE;
|
|
break;
|
|
case NAUTILUS_ICON_DND_KEYWORD:
|
|
receive_dropped_keyword (dest, context, x, y);
|
|
success = TRUE;
|
|
break;
|
|
}
|
|
|
|
dest->details->drop_occurred = FALSE;
|
|
free_drag_data (dest);
|
|
gtk_drag_finish (context, success, FALSE, time);
|
|
}
|
|
|
|
/* appease GtkTreeView by preventing its drag_data_receive
|
|
* from being called */
|
|
g_signal_stop_emission_by_name (dest->details->tree_view,
|
|
"drag_data_received");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
drag_drop_callback (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
int x,
|
|
int y,
|
|
guint32 time,
|
|
gpointer data)
|
|
{
|
|
NautilusTreeViewDragDest *dest;
|
|
|
|
dest = NAUTILUS_TREE_VIEW_DRAG_DEST (data);
|
|
|
|
dest->details->drop_occurred = TRUE;
|
|
|
|
get_drag_data (dest, context, time);
|
|
remove_scroll_timeout (dest);
|
|
remove_expand_timeout (dest);
|
|
clear_drag_dest_row (dest);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
tree_view_weak_notify (gpointer user_data,
|
|
GObject *object)
|
|
{
|
|
NautilusTreeViewDragDest *dest;
|
|
|
|
dest = NAUTILUS_TREE_VIEW_DRAG_DEST (user_data);
|
|
|
|
remove_scroll_timeout (dest);
|
|
remove_expand_timeout (dest);
|
|
|
|
dest->details->tree_view = NULL;
|
|
}
|
|
|
|
static void
|
|
nautilus_tree_view_drag_dest_dispose (GObject *object)
|
|
{
|
|
NautilusTreeViewDragDest *dest;
|
|
|
|
dest = NAUTILUS_TREE_VIEW_DRAG_DEST (object);
|
|
|
|
if (dest->details->tree_view) {
|
|
g_object_weak_unref (G_OBJECT (dest->details->tree_view),
|
|
tree_view_weak_notify,
|
|
dest);
|
|
}
|
|
|
|
remove_scroll_timeout (dest);
|
|
remove_expand_timeout (dest);
|
|
|
|
EEL_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
|
|
}
|
|
|
|
static void
|
|
nautilus_tree_view_drag_dest_finalize (GObject *object)
|
|
{
|
|
NautilusTreeViewDragDest *dest;
|
|
|
|
dest = NAUTILUS_TREE_VIEW_DRAG_DEST (object);
|
|
|
|
free_drag_data (dest);
|
|
|
|
g_free (dest->details);
|
|
|
|
EEL_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
|
|
}
|
|
|
|
static void
|
|
nautilus_tree_view_drag_dest_init (NautilusTreeViewDragDest *dest)
|
|
{
|
|
dest->details = g_new0 (NautilusTreeViewDragDestDetails, 1);
|
|
}
|
|
|
|
static void
|
|
nautilus_tree_view_drag_dest_class_init (NautilusTreeViewDragDestClass *class)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
|
|
gobject_class = G_OBJECT_CLASS (class);
|
|
|
|
gobject_class->dispose = nautilus_tree_view_drag_dest_dispose;
|
|
gobject_class->finalize = nautilus_tree_view_drag_dest_finalize;
|
|
|
|
signals[GET_ROOT_URI] =
|
|
g_signal_new ("get_root_uri",
|
|
G_TYPE_FROM_CLASS (class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (NautilusTreeViewDragDestClass,
|
|
get_root_uri),
|
|
NULL, NULL,
|
|
nautilus_marshal_STRING__VOID,
|
|
G_TYPE_STRING, 0);
|
|
signals[GET_FILE_FOR_PATH] =
|
|
g_signal_new ("get_file_for_path",
|
|
G_TYPE_FROM_CLASS (class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (NautilusTreeViewDragDestClass,
|
|
get_file_for_path),
|
|
NULL, NULL,
|
|
nautilus_marshal_OBJECT__BOXED,
|
|
NAUTILUS_TYPE_FILE, 1,
|
|
GTK_TYPE_TREE_PATH);
|
|
signals[MOVE_COPY_ITEMS] =
|
|
g_signal_new ("move_copy_items",
|
|
G_TYPE_FROM_CLASS (class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (NautilusTreeViewDragDestClass,
|
|
move_copy_items),
|
|
NULL, NULL,
|
|
|
|
nautilus_marshal_VOID__POINTER_STRING_ENUM_INT_INT,
|
|
G_TYPE_NONE, 5,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_STRING,
|
|
GDK_TYPE_DRAG_ACTION,
|
|
G_TYPE_INT,
|
|
G_TYPE_INT);
|
|
signals[HANDLE_NETSCAPE_URL] =
|
|
g_signal_new ("handle_netscape_url",
|
|
G_TYPE_FROM_CLASS (class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (NautilusTreeViewDragDestClass,
|
|
handle_netscape_url),
|
|
NULL, NULL,
|
|
nautilus_marshal_VOID__STRING_STRING_ENUM_INT_INT,
|
|
G_TYPE_NONE, 5,
|
|
G_TYPE_STRING,
|
|
G_TYPE_STRING,
|
|
GDK_TYPE_DRAG_ACTION,
|
|
G_TYPE_INT,
|
|
G_TYPE_INT);
|
|
signals[HANDLE_URI_LIST] =
|
|
g_signal_new ("handle_uri_list",
|
|
G_TYPE_FROM_CLASS (class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (NautilusTreeViewDragDestClass,
|
|
handle_uri_list),
|
|
NULL, NULL,
|
|
nautilus_marshal_VOID__STRING_STRING_ENUM_INT_INT,
|
|
G_TYPE_NONE, 5,
|
|
G_TYPE_STRING,
|
|
G_TYPE_STRING,
|
|
GDK_TYPE_DRAG_ACTION,
|
|
G_TYPE_INT,
|
|
G_TYPE_INT);
|
|
signals[HANDLE_TEXT] =
|
|
g_signal_new ("handle_text",
|
|
G_TYPE_FROM_CLASS (class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (NautilusTreeViewDragDestClass,
|
|
handle_text),
|
|
NULL, NULL,
|
|
nautilus_marshal_VOID__STRING_STRING_ENUM_INT_INT,
|
|
G_TYPE_NONE, 5,
|
|
G_TYPE_STRING,
|
|
G_TYPE_STRING,
|
|
GDK_TYPE_DRAG_ACTION,
|
|
G_TYPE_INT,
|
|
G_TYPE_INT);
|
|
}
|
|
|
|
|
|
|
|
NautilusTreeViewDragDest *
|
|
nautilus_tree_view_drag_dest_new (GtkTreeView *tree_view)
|
|
{
|
|
NautilusTreeViewDragDest *dest;
|
|
GtkTargetList *targets;
|
|
|
|
dest = g_object_new (NAUTILUS_TYPE_TREE_VIEW_DRAG_DEST, NULL);
|
|
|
|
dest->details->tree_view = tree_view;
|
|
g_object_weak_ref (G_OBJECT (dest->details->tree_view),
|
|
tree_view_weak_notify, dest);
|
|
|
|
gtk_drag_dest_set (GTK_WIDGET (tree_view),
|
|
0, drag_types, G_N_ELEMENTS (drag_types),
|
|
GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_LINK | GDK_ACTION_ASK);
|
|
|
|
targets = gtk_drag_dest_get_target_list (GTK_WIDGET (tree_view));
|
|
gtk_target_list_add_text_targets (targets, NAUTILUS_ICON_DND_TEXT);
|
|
|
|
g_signal_connect_object (tree_view,
|
|
"drag_motion",
|
|
G_CALLBACK (drag_motion_callback),
|
|
dest, 0);
|
|
g_signal_connect_object (tree_view,
|
|
"drag_leave",
|
|
G_CALLBACK (drag_leave_callback),
|
|
dest, 0);
|
|
g_signal_connect_object (tree_view,
|
|
"drag_drop",
|
|
G_CALLBACK (drag_drop_callback),
|
|
dest, 0);
|
|
g_signal_connect_object (tree_view,
|
|
"drag_data_received",
|
|
G_CALLBACK (drag_data_received_callback),
|
|
dest, 0);
|
|
|
|
return dest;
|
|
}
|