/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* fm-canvas-view.c - implementation of canvas view of directory.
Copyright (C) 2000, 2001 Eazel, Inc.
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
see .
Authors: John Sullivan
*/
#include
#include "nautilus-canvas-view.h"
#include "nautilus-canvas-view-container.h"
#include "nautilus-desktop-canvas-view.h"
#include "nautilus-error-reporting.h"
#include "nautilus-view-dnd.h"
#include "nautilus-toolbar.h"
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define DEBUG_FLAG NAUTILUS_DEBUG_CANVAS_VIEW
#include
#include
#include
#include
#include
#include
#include
enum
{
PROP_SUPPORTS_AUTO_LAYOUT = 1,
PROP_SUPPORTS_SCALING,
PROP_SUPPORTS_KEEP_ALIGNED,
PROP_SUPPORTS_MANUAL_LAYOUT,
NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
typedef gboolean (* SortCriterionMatchFunc) (NautilusFile *file);
typedef struct {
const NautilusFileSortType sort_type;
const char *metadata_text;
const char *action_target_name;
SortCriterionMatchFunc match_func;
} SortCriterion;
typedef enum {
MENU_ITEM_TYPE_STANDARD,
MENU_ITEM_TYPE_CHECK,
MENU_ITEM_TYPE_RADIO,
MENU_ITEM_TYPE_TREE
} MenuItemType;
struct NautilusCanvasViewDetails
{
GList *icons_not_positioned;
guint react_to_canvas_change_idle_id;
const SortCriterion *sort;
gboolean sort_reversed;
gulong clipboard_handler_id;
GtkWidget *canvas_container;
gboolean supports_auto_layout;
gboolean supports_manual_layout;
gboolean supports_scaling;
gboolean supports_keep_aligned;
GIcon *icon;
};
/* Note that the first item in this list is the default sort,
* and that the items show up in the menu in the order they
* appear in this list.
*/
static const SortCriterion sort_criteria[] = {
{
NAUTILUS_FILE_SORT_BY_DISPLAY_NAME,
"name",
"name"
},
{
NAUTILUS_FILE_SORT_BY_SIZE,
"size",
"size"
},
{
NAUTILUS_FILE_SORT_BY_TYPE,
"type",
"type"
},
{
NAUTILUS_FILE_SORT_BY_MTIME,
"modification date",
"modification-date",
},
{
NAUTILUS_FILE_SORT_BY_ATIME,
"access date",
"access-date",
},
{
NAUTILUS_FILE_SORT_BY_TRASHED_TIME,
"trashed",
"trash-time",
nautilus_file_is_in_trash
},
{
NAUTILUS_FILE_SORT_BY_SEARCH_RELEVANCE,
NULL,
"search-relevance",
nautilus_file_is_in_search
}
};
static void nautilus_canvas_view_set_directory_sort_by (NautilusCanvasView *canvas_view,
NautilusFile *file,
const char *sort_by);
static void nautilus_canvas_view_update_click_mode (NautilusCanvasView *canvas_view);
static gboolean nautilus_canvas_view_supports_scaling (NautilusCanvasView *canvas_view);
static void nautilus_canvas_view_reveal_selection (NautilusView *view);
static const SortCriterion *get_sort_criterion_by_sort_type (NautilusFileSortType sort_type);
static gboolean set_sort_reversed (NautilusCanvasView *canvas_view,
gboolean new_value,
gboolean set_metadata);
static void switch_to_manual_layout (NautilusCanvasView *view);
static NautilusFileSortType get_default_sort_order (NautilusFile *file,
gboolean *reversed);
static void nautilus_canvas_view_clear (NautilusView *view);
G_DEFINE_TYPE (NautilusCanvasView, nautilus_canvas_view, NAUTILUS_TYPE_VIEW);
static void
nautilus_canvas_view_destroy (GtkWidget *object)
{
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (object);
nautilus_canvas_view_clear (NAUTILUS_VIEW (object));
if (canvas_view->details->react_to_canvas_change_idle_id != 0) {
g_source_remove (canvas_view->details->react_to_canvas_change_idle_id);
canvas_view->details->react_to_canvas_change_idle_id = 0;
}
if (canvas_view->details->clipboard_handler_id != 0) {
g_signal_handler_disconnect (nautilus_clipboard_monitor_get (),
canvas_view->details->clipboard_handler_id);
canvas_view->details->clipboard_handler_id = 0;
}
if (canvas_view->details->icons_not_positioned) {
nautilus_file_list_free (canvas_view->details->icons_not_positioned);
canvas_view->details->icons_not_positioned = NULL;
}
GTK_WIDGET_CLASS (nautilus_canvas_view_parent_class)->destroy (object);
}
static NautilusCanvasContainer *
get_canvas_container (NautilusCanvasView *canvas_view)
{
return NAUTILUS_CANVAS_CONTAINER (canvas_view->details->canvas_container);
}
NautilusCanvasContainer *
nautilus_canvas_view_get_canvas_container (NautilusCanvasView *canvas_view)
{
return get_canvas_container (canvas_view);
}
static gboolean
nautilus_canvas_view_supports_manual_layout (NautilusCanvasView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), FALSE);
return view->details->supports_manual_layout;
}
static gboolean
get_stored_icon_position_callback (NautilusCanvasContainer *container,
NautilusFile *file,
NautilusCanvasPosition *position,
NautilusCanvasView *canvas_view)
{
char *position_string, *scale_string;
gboolean position_good;
char c;
g_assert (NAUTILUS_IS_CANVAS_CONTAINER (container));
g_assert (NAUTILUS_IS_FILE (file));
g_assert (position != NULL);
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
if (!nautilus_canvas_view_supports_manual_layout (canvas_view)) {
return FALSE;
}
/* Get the current position of this canvas from the metadata. */
position_string = nautilus_file_get_metadata
(file, NAUTILUS_METADATA_KEY_ICON_POSITION, "");
position_good = sscanf
(position_string, " %d , %d %c",
&position->x, &position->y, &c) == 2;
g_free (position_string);
/* If it is the desktop directory, maybe the gnome-libs metadata has information about it */
/* Disable scaling if not on the desktop */
if (nautilus_canvas_view_supports_scaling (canvas_view)) {
/* Get the scale of the canvas from the metadata. */
scale_string = nautilus_file_get_metadata
(file, NAUTILUS_METADATA_KEY_ICON_SCALE, "1");
position->scale = g_ascii_strtod (scale_string, NULL);
if (errno != 0) {
position->scale = 1.0;
}
g_free (scale_string);
} else {
position->scale = 1.0;
}
return position_good;
}
static void
real_set_sort_criterion (NautilusCanvasView *canvas_view,
const SortCriterion *sort,
gboolean clear,
gboolean set_metadata)
{
NautilusFile *file;
file = nautilus_view_get_directory_as_file (NAUTILUS_VIEW (canvas_view));
if (clear) {
nautilus_file_set_metadata (file,
NAUTILUS_METADATA_KEY_ICON_VIEW_SORT_BY, NULL, NULL);
nautilus_file_set_metadata (file,
NAUTILUS_METADATA_KEY_ICON_VIEW_SORT_REVERSED, NULL, NULL);
canvas_view->details->sort =
get_sort_criterion_by_sort_type (get_default_sort_order
(file, &canvas_view->details->sort_reversed));
} else if (set_metadata) {
/* Store the new sort setting. */
nautilus_canvas_view_set_directory_sort_by (canvas_view,
file,
sort->metadata_text);
}
}
static void
set_sort_criterion (NautilusCanvasView *canvas_view,
const SortCriterion *sort,
gboolean set_metadata)
{
if (sort == NULL ||
canvas_view->details->sort == sort) {
return;
}
canvas_view->details->sort = sort;
real_set_sort_criterion (canvas_view, sort, FALSE, set_metadata);
}
void
nautilus_canvas_view_clean_up_by_name (NautilusCanvasView *canvas_view)
{
NautilusCanvasContainer *canvas_container;
gboolean saved_sort_reversed;
canvas_container = get_canvas_container (canvas_view);
/* Hardwire Clean Up to always be by name, in forward order */
saved_sort_reversed = canvas_view->details->sort_reversed;
set_sort_reversed (canvas_view, FALSE, FALSE);
set_sort_criterion (canvas_view, &sort_criteria[0], FALSE);
nautilus_canvas_container_sort (canvas_container);
nautilus_canvas_container_freeze_icon_positions (canvas_container);
set_sort_reversed (canvas_view, saved_sort_reversed, FALSE);
}
static gboolean
nautilus_canvas_view_using_auto_layout (NautilusCanvasView *canvas_view)
{
return nautilus_canvas_container_is_auto_layout
(get_canvas_container (canvas_view));
}
static void
list_covers (NautilusCanvasIconData *data, gpointer callback_data)
{
GSList **file_list;
file_list = callback_data;
*file_list = g_slist_prepend (*file_list, data);
}
static void
unref_cover (NautilusCanvasIconData *data, gpointer callback_data)
{
nautilus_file_unref (NAUTILUS_FILE (data));
}
static void
nautilus_canvas_view_clear (NautilusView *view)
{
NautilusCanvasContainer *canvas_container;
GSList *file_list;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
canvas_container = get_canvas_container (NAUTILUS_CANVAS_VIEW (view));
if (!canvas_container)
return;
/* Clear away the existing icons. */
file_list = NULL;
nautilus_canvas_container_for_each (canvas_container, list_covers, &file_list);
nautilus_canvas_container_clear (canvas_container);
g_slist_foreach (file_list, (GFunc)unref_cover, NULL);
g_slist_free (file_list);
}
static void
nautilus_canvas_view_remove_file (NautilusView *view, NautilusFile *file, NautilusDirectory *directory)
{
NautilusCanvasView *canvas_view;
/* This used to assert that 'directory == nautilus_view_get_model (view)', but that
* resulted in a lot of crash reports (bug #352592). I don't see how that trace happens.
* It seems that somehow we get a files_changed event sent to the view from a directory
* that isn't the model, but the code disables the monitor and signal callback handlers when
* changing directories. Maybe we can get some more information when this happens.
* Further discussion in bug #368178.
*/
if (directory != nautilus_view_get_model (view)) {
char *file_uri, *dir_uri, *model_uri;
file_uri = nautilus_file_get_uri (file);
dir_uri = nautilus_directory_get_uri (directory);
model_uri = nautilus_directory_get_uri (nautilus_view_get_model (view));
g_warning ("nautilus_canvas_view_remove_file() - directory not canvas view model, shouldn't happen.\n"
"file: %p:%s, dir: %p:%s, model: %p:%s, view loading: %d\n"
"If you see this, please add this info to http://bugzilla.gnome.org/show_bug.cgi?id=368178",
file, file_uri, directory, dir_uri, nautilus_view_get_model (view), model_uri, nautilus_view_get_loading (view));
g_free (file_uri);
g_free (dir_uri);
g_free (model_uri);
}
canvas_view = NAUTILUS_CANVAS_VIEW (view);
if (nautilus_canvas_container_remove (get_canvas_container (canvas_view),
NAUTILUS_CANVAS_ICON_DATA (file))) {
nautilus_file_unref (file);
}
}
static void
nautilus_canvas_view_add_file (NautilusView *view, NautilusFile *file, NautilusDirectory *directory)
{
NautilusCanvasView *canvas_view;
NautilusCanvasContainer *canvas_container;
g_assert (directory == nautilus_view_get_model (view));
canvas_view = NAUTILUS_CANVAS_VIEW (view);
canvas_container = get_canvas_container (canvas_view);
/* Reset scroll region for the first canvas added when loading a directory. */
if (nautilus_view_get_loading (view) && nautilus_canvas_container_is_empty (canvas_container)) {
nautilus_canvas_container_reset_scroll_region (canvas_container);
}
if (nautilus_canvas_container_add (canvas_container,
NAUTILUS_CANVAS_ICON_DATA (file))) {
nautilus_file_ref (file);
}
}
static void
nautilus_canvas_view_file_changed (NautilusView *view, NautilusFile *file, NautilusDirectory *directory)
{
NautilusCanvasView *canvas_view;
g_assert (directory == nautilus_view_get_model (view));
g_return_if_fail (view != NULL);
canvas_view = NAUTILUS_CANVAS_VIEW (view);
nautilus_canvas_container_request_update
(get_canvas_container (canvas_view),
NAUTILUS_CANVAS_ICON_DATA (file));
}
static gboolean
nautilus_canvas_view_supports_auto_layout (NautilusCanvasView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), FALSE);
return view->details->supports_auto_layout;
}
static gboolean
nautilus_canvas_view_supports_scaling (NautilusCanvasView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), FALSE);
return view->details->supports_scaling;
}
static gboolean
nautilus_canvas_view_supports_keep_aligned (NautilusCanvasView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), FALSE);
return view->details->supports_keep_aligned;
}
static char *
nautilus_canvas_view_get_directory_sort_by (NautilusCanvasView *canvas_view,
NautilusFile *file)
{
const SortCriterion *default_sort_criterion;
if (!nautilus_canvas_view_supports_auto_layout (canvas_view)) {
return g_strdup ("name");
}
default_sort_criterion = get_sort_criterion_by_sort_type (get_default_sort_order (file, NULL));
g_return_val_if_fail (default_sort_criterion != NULL, NULL);
return nautilus_file_get_metadata
(file, NAUTILUS_METADATA_KEY_ICON_VIEW_SORT_BY,
default_sort_criterion->metadata_text);
}
static NautilusFileSortType
get_default_sort_order (NautilusFile *file, gboolean *reversed)
{
NautilusFileSortType retval, default_sort_order;
gboolean default_sort_in_reverse_order;
default_sort_order = g_settings_get_enum (nautilus_preferences,
NAUTILUS_PREFERENCES_DEFAULT_SORT_ORDER);
default_sort_in_reverse_order = g_settings_get_boolean (nautilus_preferences,
NAUTILUS_PREFERENCES_DEFAULT_SORT_IN_REVERSE_ORDER);
retval = nautilus_file_get_default_sort_type (file, reversed);
if (retval == NAUTILUS_FILE_SORT_NONE) {
if (reversed != NULL) {
*reversed = default_sort_in_reverse_order;
}
retval = CLAMP (default_sort_order, NAUTILUS_FILE_SORT_BY_DISPLAY_NAME,
NAUTILUS_FILE_SORT_BY_ATIME);
}
return retval;
}
static void
nautilus_canvas_view_set_directory_sort_by (NautilusCanvasView *canvas_view,
NautilusFile *file,
const char *sort_by)
{
const SortCriterion *default_sort_criterion;
if (!nautilus_canvas_view_supports_auto_layout (canvas_view)) {
return;
}
default_sort_criterion = get_sort_criterion_by_sort_type (get_default_sort_order (file, NULL));
g_return_if_fail (default_sort_criterion != NULL);
nautilus_file_set_metadata
(file, NAUTILUS_METADATA_KEY_ICON_VIEW_SORT_BY,
default_sort_criterion->metadata_text,
sort_by);
}
static gboolean
nautilus_canvas_view_get_directory_sort_reversed (NautilusCanvasView *canvas_view,
NautilusFile *file)
{
gboolean reversed;
if (!nautilus_canvas_view_supports_auto_layout (canvas_view)) {
return FALSE;
}
get_default_sort_order (file, &reversed);
return nautilus_file_get_boolean_metadata
(file,
NAUTILUS_METADATA_KEY_ICON_VIEW_SORT_REVERSED,
reversed);
}
static void
nautilus_canvas_view_set_directory_sort_reversed (NautilusCanvasView *canvas_view,
NautilusFile *file,
gboolean sort_reversed)
{
gboolean reversed;
if (!nautilus_canvas_view_supports_auto_layout (canvas_view)) {
return;
}
get_default_sort_order (file, &reversed);
nautilus_file_set_boolean_metadata
(file,
NAUTILUS_METADATA_KEY_ICON_VIEW_SORT_REVERSED,
reversed, sort_reversed);
}
static gboolean
get_default_directory_keep_aligned (void)
{
return TRUE;
}
static gboolean
nautilus_canvas_view_get_directory_keep_aligned (NautilusCanvasView *canvas_view,
NautilusFile *file)
{
if (!nautilus_canvas_view_supports_keep_aligned (canvas_view)) {
return FALSE;
}
return nautilus_file_get_boolean_metadata
(file,
NAUTILUS_METADATA_KEY_ICON_VIEW_KEEP_ALIGNED,
get_default_directory_keep_aligned ());
}
static void
nautilus_canvas_view_set_directory_keep_aligned (NautilusCanvasView *canvas_view,
NautilusFile *file,
gboolean keep_aligned)
{
if (!nautilus_canvas_view_supports_keep_aligned (canvas_view)) {
return;
}
nautilus_file_set_boolean_metadata
(file, NAUTILUS_METADATA_KEY_ICON_VIEW_KEEP_ALIGNED,
get_default_directory_keep_aligned (),
keep_aligned);
}
static gboolean
nautilus_canvas_view_get_directory_auto_layout (NautilusCanvasView *canvas_view,
NautilusFile *file)
{
if (!nautilus_canvas_view_supports_auto_layout (canvas_view)) {
return FALSE;
}
if (!nautilus_canvas_view_supports_manual_layout (canvas_view)) {
return TRUE;
}
return nautilus_file_get_boolean_metadata
(file, NAUTILUS_METADATA_KEY_ICON_VIEW_AUTO_LAYOUT, TRUE);
}
static void
nautilus_canvas_view_set_directory_auto_layout (NautilusCanvasView *canvas_view,
NautilusFile *file,
gboolean auto_layout)
{
if (!nautilus_canvas_view_supports_auto_layout (canvas_view) ||
!nautilus_canvas_view_supports_manual_layout (canvas_view)) {
return;
}
nautilus_file_set_boolean_metadata
(file, NAUTILUS_METADATA_KEY_ICON_VIEW_AUTO_LAYOUT,
TRUE,
auto_layout);
}
static gboolean
set_sort_reversed (NautilusCanvasView *canvas_view,
gboolean new_value,
gboolean set_metadata)
{
if (canvas_view->details->sort_reversed == new_value) {
return FALSE;
}
canvas_view->details->sort_reversed = new_value;
if (set_metadata) {
/* Store the new sort setting. */
nautilus_canvas_view_set_directory_sort_reversed (canvas_view, nautilus_view_get_directory_as_file (NAUTILUS_VIEW (canvas_view)), new_value);
}
return TRUE;
}
static const SortCriterion *
get_sort_criterion_by_metadata_text (const char *metadata_text)
{
guint i;
/* Figure out what the new sort setting should be. */
for (i = 0; i < G_N_ELEMENTS (sort_criteria); i++) {
if (g_strcmp0 (sort_criteria[i].metadata_text, metadata_text) == 0) {
return &sort_criteria[i];
}
}
return NULL;
}
static const SortCriterion *
get_sort_criterion_by_action_target_name (const char *action_target_name)
{
guint i;
/* Figure out what the new sort setting should be. */
for (i = 0; i < G_N_ELEMENTS (sort_criteria); i++) {
if (g_strcmp0 (sort_criteria[i].action_target_name, action_target_name) == 0) {
return &sort_criteria[i];
}
}
return NULL;
}
static const SortCriterion *
get_sort_criterion_by_sort_type (NautilusFileSortType sort_type)
{
guint i;
/* Figure out what the new sort setting should be. */
for (i = 0; i < G_N_ELEMENTS (sort_criteria); i++) {
if (sort_type == sort_criteria[i].sort_type) {
return &sort_criteria[i];
}
}
return &sort_criteria[0];
}
static NautilusCanvasZoomLevel
get_default_zoom_level (NautilusCanvasView *canvas_view)
{
NautilusCanvasZoomLevel default_zoom_level;
default_zoom_level = g_settings_get_enum (nautilus_icon_view_preferences,
NAUTILUS_PREFERENCES_ICON_VIEW_DEFAULT_ZOOM_LEVEL);
return CLAMP (default_zoom_level, NAUTILUS_CANVAS_ZOOM_LEVEL_SMALL, NAUTILUS_CANVAS_ZOOM_LEVEL_LARGE);
}
static void
nautilus_canvas_view_begin_loading (NautilusView *view)
{
NautilusCanvasView *canvas_view;
GtkWidget *canvas_container;
NautilusFile *file;
char *sort_name, *uri;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
canvas_view = NAUTILUS_CANVAS_VIEW (view);
file = nautilus_view_get_directory_as_file (view);
uri = nautilus_file_get_uri (file);
canvas_container = GTK_WIDGET (get_canvas_container (canvas_view));
nautilus_canvas_container_begin_loading (NAUTILUS_CANVAS_CONTAINER (canvas_container));
g_free (uri);
/* Set the sort mode.
* It's OK not to resort the icons because the
* container doesn't have any icons at this point.
*/
sort_name = nautilus_canvas_view_get_directory_sort_by (canvas_view, file);
set_sort_criterion (canvas_view, get_sort_criterion_by_metadata_text (sort_name), FALSE);
g_free (sort_name);
/* Set the sort direction from the metadata. */
set_sort_reversed (canvas_view, nautilus_canvas_view_get_directory_sort_reversed (canvas_view, file), FALSE);
nautilus_canvas_container_set_keep_aligned
(get_canvas_container (canvas_view),
nautilus_canvas_view_get_directory_keep_aligned (canvas_view, file));
/* We must set auto-layout last, because it invokes the layout_changed
* callback, which works incorrectly if the other layout criteria are
* not already set up properly (see bug 6500, e.g.)
*/
nautilus_canvas_container_set_auto_layout
(get_canvas_container (canvas_view),
nautilus_canvas_view_get_directory_auto_layout (canvas_view, file));
/* We could changed to the trash directory or to searching, and then we
* need to update the menus */
nautilus_view_update_context_menus(view);
nautilus_view_update_toolbar_menus(view);
}
static void
canvas_view_notify_clipboard_info (NautilusClipboardMonitor *monitor,
NautilusClipboardInfo *info,
NautilusCanvasView *canvas_view)
{
GList *icon_data;
icon_data = NULL;
if (info && info->cut) {
icon_data = info->files;
}
nautilus_canvas_container_set_highlighted_for_clipboard (
get_canvas_container (canvas_view), icon_data);
}
static void
nautilus_canvas_view_end_loading (NautilusView *view,
gboolean all_files_seen)
{
NautilusCanvasView *canvas_view;
GtkWidget *canvas_container;
NautilusClipboardMonitor *monitor;
NautilusClipboardInfo *info;
canvas_view = NAUTILUS_CANVAS_VIEW (view);
canvas_container = GTK_WIDGET (get_canvas_container (canvas_view));
nautilus_canvas_container_end_loading (NAUTILUS_CANVAS_CONTAINER (canvas_container), all_files_seen);
monitor = nautilus_clipboard_monitor_get ();
info = nautilus_clipboard_monitor_get_clipboard_info (monitor);
canvas_view_notify_clipboard_info (monitor, info, canvas_view);
}
static NautilusCanvasZoomLevel
nautilus_canvas_view_get_zoom_level (NautilusView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), NAUTILUS_CANVAS_ZOOM_LEVEL_STANDARD);
return nautilus_canvas_container_get_zoom_level (get_canvas_container (NAUTILUS_CANVAS_VIEW (view)));
}
static void
nautilus_canvas_view_zoom_to_level (NautilusView *view,
gint new_level)
{
NautilusCanvasView *canvas_view;
NautilusCanvasContainer *canvas_container;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
g_return_if_fail (new_level >= NAUTILUS_CANVAS_ZOOM_LEVEL_SMALL &&
new_level <= NAUTILUS_CANVAS_ZOOM_LEVEL_LARGE);
canvas_view = NAUTILUS_CANVAS_VIEW (view);
canvas_container = get_canvas_container (canvas_view);
if (nautilus_canvas_container_get_zoom_level (canvas_container) == new_level)
return;
nautilus_canvas_container_set_zoom_level (canvas_container, new_level);
g_action_group_change_action_state (nautilus_view_get_action_group (view),
"zoom-to-level", g_variant_new_int32 (new_level));
nautilus_view_update_toolbar_menus (view);
}
static void
nautilus_canvas_view_bump_zoom_level (NautilusView *view, int zoom_increment)
{
NautilusCanvasZoomLevel new_level;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
if (!nautilus_view_supports_zooming (view)) {
return;
}
new_level = nautilus_canvas_view_get_zoom_level (view) + zoom_increment;
if (new_level >= NAUTILUS_CANVAS_ZOOM_LEVEL_SMALL &&
new_level <= NAUTILUS_CANVAS_ZOOM_LEVEL_LARGE) {
nautilus_canvas_view_zoom_to_level (view, new_level);
}
}
static void
nautilus_canvas_view_restore_default_zoom_level (NautilusView *view)
{
NautilusCanvasView *canvas_view;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
canvas_view = NAUTILUS_CANVAS_VIEW (view);
nautilus_canvas_view_zoom_to_level
(view, get_default_zoom_level (canvas_view));
}
static gboolean
nautilus_canvas_view_can_zoom_in (NautilusView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), FALSE);
return nautilus_canvas_view_get_zoom_level (view)
< NAUTILUS_CANVAS_ZOOM_LEVEL_LARGE;
}
static gboolean
nautilus_canvas_view_can_zoom_out (NautilusView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), FALSE);
return nautilus_canvas_view_get_zoom_level (view)
> NAUTILUS_CANVAS_ZOOM_LEVEL_SMALL;
}
static gboolean
nautilus_canvas_view_is_empty (NautilusView *view)
{
g_assert (NAUTILUS_IS_CANVAS_VIEW (view));
return nautilus_canvas_container_is_empty
(get_canvas_container (NAUTILUS_CANVAS_VIEW (view)));
}
static GList *
nautilus_canvas_view_get_selection (NautilusView *view)
{
GList *list;
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), NULL);
list = nautilus_canvas_container_get_selection
(get_canvas_container (NAUTILUS_CANVAS_VIEW (view)));
nautilus_file_list_ref (list);
return list;
}
static void
action_reversed_order (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
gboolean reversed_order;
g_assert (NAUTILUS_IS_CANVAS_VIEW (user_data));
reversed_order = g_variant_get_boolean (state);
if (set_sort_reversed (user_data, reversed_order, TRUE)) {
nautilus_canvas_container_sort (get_canvas_container (user_data));
nautilus_canvas_view_reveal_selection (NAUTILUS_VIEW (user_data));
}
g_simple_action_set_state (action, state);
}
static void
action_keep_aligned (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
NautilusFile *file;
NautilusCanvasView *canvas_view;
gboolean keep_aligned;
canvas_view = NAUTILUS_CANVAS_VIEW (user_data);
file = nautilus_view_get_directory_as_file (NAUTILUS_VIEW (canvas_view));
keep_aligned = g_variant_get_boolean (state);
nautilus_canvas_view_set_directory_keep_aligned (canvas_view,
file,
keep_aligned);
nautilus_canvas_container_set_keep_aligned (get_canvas_container (canvas_view),
keep_aligned);
g_simple_action_set_state (action, state);
}
static void
action_sort_order_changed (GSimpleAction *action,
GVariant *value,
gpointer user_data)
{
const gchar *target_name;
const SortCriterion *sort_criterion;
g_assert (NAUTILUS_IS_CANVAS_VIEW (user_data));
target_name = g_variant_get_string (value, NULL);
sort_criterion = get_sort_criterion_by_action_target_name (target_name);
g_assert (sort_criterion != NULL);
/* Note that id might be a toggle item.
* Ignore non-sort ids so that they don't cause sorting.
*/
if (sort_criterion->sort_type == NAUTILUS_FILE_SORT_NONE) {
switch_to_manual_layout (user_data);
} else {
set_sort_criterion (user_data, sort_criterion, TRUE);
nautilus_canvas_container_sort (get_canvas_container (user_data));
nautilus_canvas_view_reveal_selection (NAUTILUS_VIEW (user_data));
}
g_simple_action_set_state (action, value);
}
static void
action_zoom_to_level (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
NautilusView *view;
NautilusCanvasZoomLevel zoom_level;
g_assert (NAUTILUS_IS_VIEW (user_data));
view = NAUTILUS_VIEW (user_data);
zoom_level = g_variant_get_int32 (state);
nautilus_canvas_view_zoom_to_level (view, zoom_level);
g_simple_action_set_state (G_SIMPLE_ACTION (action), state);
g_settings_set_enum (nautilus_icon_view_preferences,
NAUTILUS_PREFERENCES_ICON_VIEW_DEFAULT_ZOOM_LEVEL,
zoom_level);
}
static void
switch_to_manual_layout (NautilusCanvasView *canvas_view)
{
if (!nautilus_canvas_view_using_auto_layout (canvas_view) ||
!nautilus_view_is_editable (NAUTILUS_VIEW (canvas_view))) {
return;
}
canvas_view->details->sort = &sort_criteria[0];
nautilus_canvas_container_set_auto_layout
(get_canvas_container (canvas_view), FALSE);
}
static void
layout_changed_callback (NautilusCanvasContainer *container,
NautilusCanvasView *canvas_view)
{
NautilusFile *file;
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
g_assert (container == get_canvas_container (canvas_view));
file = nautilus_view_get_directory_as_file (NAUTILUS_VIEW (canvas_view));
if (file != NULL) {
nautilus_canvas_view_set_directory_auto_layout
(canvas_view,
file,
nautilus_canvas_view_using_auto_layout (canvas_view));
}
}
static gboolean
nautilus_canvas_view_can_rename_file (NautilusView *view, NautilusFile *file)
{
return NAUTILUS_VIEW_CLASS(nautilus_canvas_view_parent_class)->can_rename_file (view, file);
}
const GActionEntry canvas_view_entries[] = {
{ "keep-aligned", NULL, NULL, "true", action_keep_aligned },
{ "reversed-order", NULL, NULL, "false", action_reversed_order },
{ "sort", NULL, "s", "'name'", action_sort_order_changed },
{ "zoom-to-level", NULL, NULL, "1", action_zoom_to_level }
};
static void
update_sort_action_state_hint (NautilusCanvasView *canvas_view)
{
NautilusFile *file;
GVariantBuilder builder;
GActionGroup *action_group;
GAction *action;
GVariant *state_hint;
gint idx;
file = nautilus_view_get_directory_as_file (NAUTILUS_VIEW (canvas_view));
g_variant_builder_init (&builder, G_VARIANT_TYPE ("as"));
for (idx = 0; idx < G_N_ELEMENTS (sort_criteria); idx++) {
if (sort_criteria[idx].match_func == NULL ||
(file != NULL && sort_criteria[idx].match_func (file)))
g_variant_builder_add (&builder, "s", sort_criteria[idx].action_target_name);
}
state_hint = g_variant_builder_end (&builder);
action_group = nautilus_view_get_action_group (NAUTILUS_VIEW (canvas_view));
action = g_action_map_lookup_action (G_ACTION_MAP (action_group), "sort");
g_simple_action_set_state_hint (G_SIMPLE_ACTION (action), state_hint);
g_variant_unref (state_hint);
}
static gboolean
showing_recent_directory (NautilusView *view)
{
NautilusFile *file;
file = nautilus_view_get_directory_as_file (view);
if (file != NULL) {
return nautilus_file_is_in_recent (file);
}
return FALSE;
}
static gboolean
showing_search_directory (NautilusView *view)
{
NautilusFile *file;
file = nautilus_view_get_directory_as_file (view);
if (file != NULL) {
return nautilus_file_is_in_search (file);
}
return FALSE;
}
static void
nautilus_canvas_view_update_actions_state (NautilusView *view)
{
GActionGroup *view_action_group;
GAction *action;
gboolean keep_aligned;
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (view);
NAUTILUS_VIEW_CLASS (nautilus_canvas_view_parent_class)->update_actions_state (view);
view_action_group = nautilus_view_get_action_group (view);
if (nautilus_canvas_view_supports_auto_layout (canvas_view)) {
GVariant *sort_state;
GVariant *reversed_state;
/* When we change the sort action state, even using the same value, it triggers
* the sort action changed handler, which reveals the selection, since we expect
* the selection to be visible when the user changes the sort order. But we may
* need to update the actions state for others reason than an actual sort change,
* so we need to prevent to trigger the sort action changed handler for those cases.
* To achieve this, check if the action state value actually changed before setting
* it. The same happens to the reversed-order state.
*/
sort_state = g_action_group_get_action_state (view_action_group, "sort");
reversed_state = g_action_group_get_action_state (view_action_group, "reversed-order");
if (NAUTILUS_CANVAS_VIEW (view)->details->sort_reversed != g_variant_get_boolean (reversed_state)) {
g_action_group_change_action_state (view_action_group,
"reversed-order",
g_variant_new_boolean (NAUTILUS_CANVAS_VIEW (view)->details->sort_reversed));
}
if (g_strcmp0 (g_variant_get_string (sort_state, NULL),
NAUTILUS_CANVAS_VIEW (view)->details->sort->action_target_name) != 0) {
g_action_group_change_action_state (view_action_group,
"sort",
g_variant_new_string (NAUTILUS_CANVAS_VIEW (view)->details->sort->action_target_name));
}
g_variant_unref (reversed_state);
g_variant_unref (sort_state);
}
action = g_action_map_lookup_action (G_ACTION_MAP (view_action_group), "keep-aligned");
g_simple_action_set_enabled (G_SIMPLE_ACTION (action),
canvas_view->details->supports_keep_aligned);
action = g_action_map_lookup_action (G_ACTION_MAP (view_action_group), "sort");
g_simple_action_set_enabled (G_SIMPLE_ACTION (action),
!showing_recent_directory (view) &&
!showing_search_directory (view));
if (canvas_view->details->supports_keep_aligned) {
keep_aligned = nautilus_canvas_container_is_keep_aligned (get_canvas_container (canvas_view));
g_action_change_state (action, g_variant_new_boolean (keep_aligned));
}
update_sort_action_state_hint (canvas_view);
}
static void
nautilus_canvas_view_select_all (NautilusView *view)
{
NautilusCanvasContainer *canvas_container;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
canvas_container = get_canvas_container (NAUTILUS_CANVAS_VIEW (view));
nautilus_canvas_container_select_all (canvas_container);
}
static void
nautilus_canvas_view_select_first (NautilusView *view)
{
NautilusCanvasContainer *canvas_container;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
canvas_container = get_canvas_container (NAUTILUS_CANVAS_VIEW (view));
nautilus_canvas_container_select_first (canvas_container);
}
static void
nautilus_canvas_view_reveal_selection (NautilusView *view)
{
GList *selection;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
selection = nautilus_view_get_selection (view);
/* Make sure at least one of the selected items is scrolled into view */
if (selection != NULL) {
nautilus_canvas_container_reveal
(get_canvas_container (NAUTILUS_CANVAS_VIEW (view)),
selection->data);
}
nautilus_file_list_free (selection);
}
static GArray *
nautilus_canvas_view_get_selected_icon_locations (NautilusView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), NULL);
return nautilus_canvas_container_get_selected_icon_locations
(get_canvas_container (NAUTILUS_CANVAS_VIEW (view)));
}
static void
nautilus_canvas_view_set_selection (NautilusView *view, GList *selection)
{
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
nautilus_canvas_container_set_selection
(get_canvas_container (NAUTILUS_CANVAS_VIEW (view)), selection);
}
static void
nautilus_canvas_view_invert_selection (NautilusView *view)
{
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (view));
nautilus_canvas_container_invert_selection
(get_canvas_container (NAUTILUS_CANVAS_VIEW (view)));
}
static gboolean
nautilus_canvas_view_using_manual_layout (NautilusView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), FALSE);
return !nautilus_canvas_view_using_auto_layout (NAUTILUS_CANVAS_VIEW (view));
}
static void
nautilus_canvas_view_widget_to_file_operation_position (NautilusView *view,
GdkPoint *position)
{
g_assert (NAUTILUS_IS_CANVAS_VIEW (view));
nautilus_canvas_container_widget_to_file_operation_position
(get_canvas_container (NAUTILUS_CANVAS_VIEW (view)), position);
}
static void
canvas_container_activate_callback (NautilusCanvasContainer *container,
GList *file_list,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
g_assert (container == get_canvas_container (canvas_view));
nautilus_view_activate_files (NAUTILUS_VIEW (canvas_view),
file_list,
0, TRUE);
}
static void
canvas_container_activate_previewer_callback (NautilusCanvasContainer *container,
GList *file_list,
GArray *locations,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
g_assert (container == get_canvas_container (canvas_view));
nautilus_view_preview_files (NAUTILUS_VIEW (canvas_view),
file_list, locations);
}
/* this is called in one of these cases:
* - we activate with enter holding shift
* - we activate with space holding shift
* - we double click an canvas holding shift
* - we middle click an canvas
*
* If we don't open in new windows by default, the behavior should be
* - middle click, shift + activate -> open in new tab
* - shift + double click -> open in new window
*
* If we open in new windows by default, the behaviour should be
* - middle click, or shift + activate, or shift + double-click -> close parent
*/
static void
canvas_container_activate_alternate_callback (NautilusCanvasContainer *container,
GList *file_list,
NautilusCanvasView *canvas_view)
{
GdkEvent *event;
GdkEventButton *button_event;
GdkEventKey *key_event;
gboolean open_in_tab, open_in_window, close_behind;
NautilusWindowOpenFlags flags;
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
g_assert (container == get_canvas_container (canvas_view));
flags = 0;
event = gtk_get_current_event ();
open_in_tab = FALSE;
open_in_window = FALSE;
close_behind = FALSE;
if (event->type == GDK_BUTTON_PRESS ||
event->type == GDK_BUTTON_RELEASE ||
event->type == GDK_2BUTTON_PRESS ||
event->type == GDK_3BUTTON_PRESS) {
button_event = (GdkEventButton *) event;
open_in_window = ((button_event->state & GDK_SHIFT_MASK) != 0);
open_in_tab = !open_in_window;
} else if (event->type == GDK_KEY_PRESS ||
event->type == GDK_KEY_RELEASE) {
key_event = (GdkEventKey *) event;
open_in_tab = ((key_event->state & GDK_SHIFT_MASK) != 0);
}
if (open_in_tab) {
flags |= NAUTILUS_WINDOW_OPEN_FLAG_NEW_TAB;
}
if (open_in_window) {
flags |= NAUTILUS_WINDOW_OPEN_FLAG_NEW_WINDOW;
}
if (close_behind) {
flags |= NAUTILUS_WINDOW_OPEN_FLAG_CLOSE_BEHIND;
}
DEBUG ("Activate alternate, open in tab %d, close behind %d, new window %d\n",
open_in_tab, close_behind, open_in_window);
nautilus_view_activate_files (NAUTILUS_VIEW (canvas_view),
file_list,
flags,
TRUE);
}
static void
band_select_started_callback (NautilusCanvasContainer *container,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
g_assert (container == get_canvas_container (canvas_view));
nautilus_view_start_batching_selection_changes (NAUTILUS_VIEW (canvas_view));
}
static void
band_select_ended_callback (NautilusCanvasContainer *container,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
g_assert (container == get_canvas_container (canvas_view));
nautilus_view_stop_batching_selection_changes (NAUTILUS_VIEW (canvas_view));
}
int
nautilus_canvas_view_compare_files (NautilusCanvasView *canvas_view,
NautilusFile *a,
NautilusFile *b)
{
return nautilus_file_compare_for_sort
(a, b, canvas_view->details->sort->sort_type,
/* Use type-unsafe cast for performance */
nautilus_view_should_sort_directories_first ((NautilusView *)canvas_view),
canvas_view->details->sort_reversed);
}
static int
compare_files (NautilusView *canvas_view,
NautilusFile *a,
NautilusFile *b)
{
return nautilus_canvas_view_compare_files ((NautilusCanvasView *)canvas_view, a, b);
}
static void
selection_changed_callback (NautilusCanvasContainer *container,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
g_assert (container == get_canvas_container (canvas_view));
nautilus_view_notify_selection_changed (NAUTILUS_VIEW (canvas_view));
}
static void
canvas_container_context_click_selection_callback (NautilusCanvasContainer *container,
GdkEventButton *event,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_CONTAINER (container));
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
nautilus_view_pop_up_selection_context_menu (NAUTILUS_VIEW (canvas_view), event);
}
static void
canvas_container_context_click_background_callback (NautilusCanvasContainer *container,
GdkEventButton *event,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_CONTAINER (container));
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
nautilus_view_pop_up_background_context_menu (NAUTILUS_VIEW (canvas_view), event);
}
static void
icon_position_changed_callback (NautilusCanvasContainer *container,
NautilusFile *file,
const NautilusCanvasPosition *position,
NautilusCanvasView *canvas_view)
{
char *position_string;
char scale_string[G_ASCII_DTOSTR_BUF_SIZE];
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
g_assert (container == get_canvas_container (canvas_view));
g_assert (NAUTILUS_IS_FILE (file));
/* Store the new position of the canvas in the metadata. */
if (!nautilus_canvas_view_using_auto_layout (canvas_view)) {
position_string = g_strdup_printf
("%d,%d", position->x, position->y);
nautilus_file_set_metadata
(file, NAUTILUS_METADATA_KEY_ICON_POSITION,
NULL, position_string);
g_free (position_string);
}
g_ascii_dtostr (scale_string, sizeof (scale_string), position->scale);
nautilus_file_set_metadata
(file, NAUTILUS_METADATA_KEY_ICON_SCALE,
"1.0", scale_string);
}
static char *
get_icon_uri_callback (NautilusCanvasContainer *container,
NautilusFile *file,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_CONTAINER (container));
g_assert (NAUTILUS_IS_FILE (file));
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
return nautilus_file_get_uri (file);
}
static char *
get_icon_activation_uri_callback (NautilusCanvasContainer *container,
NautilusFile *file,
NautilusCanvasView *canvas_view)
{
g_assert (NAUTILUS_IS_CANVAS_CONTAINER (container));
g_assert (NAUTILUS_IS_FILE (file));
g_assert (NAUTILUS_IS_CANVAS_VIEW (canvas_view));
return nautilus_file_get_activation_uri (file);
}
static char *
get_icon_drop_target_uri_callback (NautilusCanvasContainer *container,
NautilusFile *file,
NautilusCanvasView *canvas_view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_CONTAINER (container), NULL);
g_return_val_if_fail (NAUTILUS_IS_FILE (file), NULL);
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (canvas_view), NULL);
return nautilus_file_get_drop_target_uri (file);
}
/* Preferences changed callbacks */
static void
nautilus_canvas_view_click_policy_changed (NautilusView *directory_view)
{
g_assert (NAUTILUS_IS_CANVAS_VIEW (directory_view));
nautilus_canvas_view_update_click_mode (NAUTILUS_CANVAS_VIEW (directory_view));
}
static void
image_display_policy_changed_callback (gpointer callback_data)
{
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (callback_data);
nautilus_canvas_container_request_update_all (get_canvas_container (canvas_view));
}
static void
text_attribute_names_changed_callback (gpointer callback_data)
{
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (callback_data);
nautilus_canvas_container_request_update_all (get_canvas_container (canvas_view));
}
static void
default_sort_order_changed_callback (gpointer callback_data)
{
NautilusCanvasView *canvas_view;
NautilusFile *file;
char *sort_name;
NautilusCanvasContainer *canvas_container;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (callback_data));
canvas_view = NAUTILUS_CANVAS_VIEW (callback_data);
file = nautilus_view_get_directory_as_file (NAUTILUS_VIEW (canvas_view));
sort_name = nautilus_canvas_view_get_directory_sort_by (canvas_view, file);
set_sort_criterion (canvas_view, get_sort_criterion_by_metadata_text (sort_name), FALSE);
g_free (sort_name);
canvas_container = get_canvas_container (canvas_view);
g_return_if_fail (NAUTILUS_IS_CANVAS_CONTAINER (canvas_container));
nautilus_canvas_container_request_update_all (canvas_container);
}
static void
default_sort_in_reverse_order_changed_callback (gpointer callback_data)
{
NautilusCanvasView *canvas_view;
NautilusFile *file;
NautilusCanvasContainer *canvas_container;
g_return_if_fail (NAUTILUS_IS_CANVAS_VIEW (callback_data));
canvas_view = NAUTILUS_CANVAS_VIEW (callback_data);
file = nautilus_view_get_directory_as_file (NAUTILUS_VIEW (canvas_view));
set_sort_reversed (canvas_view, nautilus_canvas_view_get_directory_sort_reversed (canvas_view, file), FALSE);
canvas_container = get_canvas_container (canvas_view);
g_return_if_fail (NAUTILUS_IS_CANVAS_CONTAINER (canvas_container));
nautilus_canvas_container_request_update_all (canvas_container);
}
static void
nautilus_canvas_view_sort_directories_first_changed (NautilusView *directory_view)
{
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (directory_view);
if (nautilus_canvas_view_using_auto_layout (canvas_view)) {
nautilus_canvas_container_sort
(get_canvas_container (canvas_view));
}
}
static gboolean
canvas_view_can_accept_item (NautilusCanvasContainer *container,
NautilusFile *target_item,
const char *item_uri,
NautilusView *view)
{
return nautilus_drag_can_accept_item (target_item, item_uri);
}
static char *
canvas_view_get_container_uri (NautilusCanvasContainer *container,
NautilusView *view)
{
return nautilus_view_get_uri (view);
}
static void
canvas_view_move_copy_items (NautilusCanvasContainer *container,
const GList *item_uris,
GArray *relative_item_points,
const char *target_dir,
int copy_action,
int x, int y,
NautilusView *view)
{
nautilus_clipboard_clear_if_colliding_uris (GTK_WIDGET (view),
item_uris,
nautilus_view_get_copied_files_atom (view));
nautilus_view_move_copy_items (view, item_uris, relative_item_points, target_dir,
copy_action, x, y);
}
static void
nautilus_canvas_view_update_click_mode (NautilusCanvasView *canvas_view)
{
NautilusCanvasContainer *canvas_container;
int click_mode;
canvas_container = get_canvas_container (canvas_view);
g_assert (canvas_container != NULL);
click_mode = g_settings_get_enum (nautilus_preferences, NAUTILUS_PREFERENCES_CLICK_POLICY);
nautilus_canvas_container_set_single_click_mode (canvas_container,
click_mode == NAUTILUS_CLICK_POLICY_SINGLE);
}
static gboolean
get_stored_layout_timestamp (NautilusCanvasContainer *container,
NautilusCanvasIconData *icon_data,
time_t *timestamp,
NautilusCanvasView *view)
{
NautilusFile *file;
NautilusDirectory *directory;
if (icon_data == NULL) {
directory = nautilus_view_get_model (NAUTILUS_VIEW (view));
if (directory == NULL) {
return FALSE;
}
file = nautilus_directory_get_corresponding_file (directory);
*timestamp = nautilus_file_get_time_metadata (file,
NAUTILUS_METADATA_KEY_ICON_VIEW_LAYOUT_TIMESTAMP);
nautilus_file_unref (file);
} else {
*timestamp = nautilus_file_get_time_metadata (NAUTILUS_FILE (icon_data),
NAUTILUS_METADATA_KEY_ICON_POSITION_TIMESTAMP);
}
return TRUE;
}
static gboolean
store_layout_timestamp (NautilusCanvasContainer *container,
NautilusCanvasIconData *icon_data,
const time_t *timestamp,
NautilusCanvasView *view)
{
NautilusFile *file;
NautilusDirectory *directory;
if (icon_data == NULL) {
directory = nautilus_view_get_model (NAUTILUS_VIEW (view));
if (directory == NULL) {
return FALSE;
}
file = nautilus_directory_get_corresponding_file (directory);
nautilus_file_set_time_metadata (file,
NAUTILUS_METADATA_KEY_ICON_VIEW_LAYOUT_TIMESTAMP,
(time_t) *timestamp);
nautilus_file_unref (file);
} else {
nautilus_file_set_time_metadata (NAUTILUS_FILE (icon_data),
NAUTILUS_METADATA_KEY_ICON_POSITION_TIMESTAMP,
(time_t) *timestamp);
}
return TRUE;
}
static NautilusCanvasContainer *
create_canvas_container (NautilusCanvasView *canvas_view)
{
NautilusCanvasContainer *canvas_container;
GtkWidget *content_widget;
content_widget = nautilus_view_get_content_widget (NAUTILUS_VIEW (canvas_view));
canvas_container = nautilus_canvas_view_container_new (canvas_view);
canvas_view->details->canvas_container = GTK_WIDGET (canvas_container);
g_object_add_weak_pointer (G_OBJECT (canvas_container),
(gpointer *) &canvas_view->details->canvas_container);
gtk_widget_set_can_focus (GTK_WIDGET (canvas_container), TRUE);
g_signal_connect_object (canvas_container, "activate",
G_CALLBACK (canvas_container_activate_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "activate-alternate",
G_CALLBACK (canvas_container_activate_alternate_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "activate-previewer",
G_CALLBACK (canvas_container_activate_previewer_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "band-select-started",
G_CALLBACK (band_select_started_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "band-select-ended",
G_CALLBACK (band_select_ended_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "context-click-selection",
G_CALLBACK (canvas_container_context_click_selection_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "context-click-background",
G_CALLBACK (canvas_container_context_click_background_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "icon-position-changed",
G_CALLBACK (icon_position_changed_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "selection-changed",
G_CALLBACK (selection_changed_callback), canvas_view, 0);
/* FIXME: many of these should move into fm-canvas-container as virtual methods */
g_signal_connect_object (canvas_container, "get-icon-uri",
G_CALLBACK (get_icon_uri_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "get-icon-activation-uri",
G_CALLBACK (get_icon_activation_uri_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "get-icon-drop-target-uri",
G_CALLBACK (get_icon_drop_target_uri_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "move-copy-items",
G_CALLBACK (canvas_view_move_copy_items), canvas_view, 0);
g_signal_connect_object (canvas_container, "get-container-uri",
G_CALLBACK (canvas_view_get_container_uri), canvas_view, 0);
g_signal_connect_object (canvas_container, "can-accept-item",
G_CALLBACK (canvas_view_can_accept_item), canvas_view, 0);
g_signal_connect_object (canvas_container, "get-stored-icon-position",
G_CALLBACK (get_stored_icon_position_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "layout-changed",
G_CALLBACK (layout_changed_callback), canvas_view, 0);
g_signal_connect_object (canvas_container, "icon-stretch-started",
G_CALLBACK (nautilus_view_update_context_menus), canvas_view,
G_CONNECT_SWAPPED);
g_signal_connect_object (canvas_container, "icon-stretch-ended",
G_CALLBACK (nautilus_view_update_context_menus), canvas_view,
G_CONNECT_SWAPPED);
g_signal_connect_object (canvas_container, "get-stored-layout-timestamp",
G_CALLBACK (get_stored_layout_timestamp), canvas_view, 0);
g_signal_connect_object (canvas_container, "store-layout-timestamp",
G_CALLBACK (store_layout_timestamp), canvas_view, 0);
gtk_container_add (GTK_CONTAINER (content_widget),
GTK_WIDGET (canvas_container));
nautilus_canvas_view_update_click_mode (canvas_view);
nautilus_canvas_container_set_zoom_level (canvas_container,
get_default_zoom_level (canvas_view));
gtk_widget_show (GTK_WIDGET (canvas_container));
return canvas_container;
}
/* Handles an URL received from Mozilla */
static void
canvas_view_handle_netscape_url (NautilusCanvasContainer *container, const char *encoded_url,
const char *target_uri,
GdkDragAction action, int x, int y, NautilusCanvasView *view)
{
nautilus_view_handle_netscape_url_drop (NAUTILUS_VIEW (view),
encoded_url, target_uri, action, x, y);
}
static void
canvas_view_handle_uri_list (NautilusCanvasContainer *container, const char *item_uris,
const char *target_uri,
GdkDragAction action, int x, int y, NautilusCanvasView *view)
{
nautilus_view_handle_uri_list_drop (NAUTILUS_VIEW (view),
item_uris, target_uri, action, x, y);
}
static void
canvas_view_handle_text (NautilusCanvasContainer *container, const char *text,
const char *target_uri,
GdkDragAction action, int x, int y, NautilusCanvasView *view)
{
nautilus_view_handle_text_drop (NAUTILUS_VIEW (view),
text, target_uri, action, x, y);
}
static void
canvas_view_handle_raw (NautilusCanvasContainer *container, const char *raw_data,
int length, const char *target_uri, const char *direct_save_uri,
GdkDragAction action, int x, int y, NautilusCanvasView *view)
{
nautilus_view_handle_raw_drop (NAUTILUS_VIEW (view),
raw_data, length, target_uri, direct_save_uri, action, x, y);
}
static void
canvas_view_handle_hover (NautilusCanvasContainer *container,
const char *target_uri,
NautilusCanvasView *view)
{
nautilus_view_handle_hover (NAUTILUS_VIEW (view), target_uri);
}
static char *
canvas_view_get_first_visible_file (NautilusView *view)
{
NautilusFile *file;
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (view);
file = NAUTILUS_FILE (nautilus_canvas_container_get_first_visible_icon (get_canvas_container (canvas_view)));
if (file) {
return nautilus_file_get_uri (file);
}
return NULL;
}
static void
canvas_view_scroll_to_file (NautilusView *view,
const char *uri)
{
NautilusFile *file;
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (view);
if (uri != NULL) {
/* Only if existing, since we don't want to add the file to
the directory if it has been removed since then */
file = nautilus_file_get_existing_by_uri (uri);
if (file != NULL) {
nautilus_canvas_container_scroll_to_canvas (get_canvas_container (canvas_view),
NAUTILUS_CANVAS_ICON_DATA (file));
nautilus_file_unref (file);
}
}
}
static const char *
nautilus_canvas_view_get_id (NautilusView *view)
{
return NAUTILUS_CANVAS_VIEW_ID;
}
static void
nautilus_canvas_view_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (object);
switch (prop_id) {
case PROP_SUPPORTS_AUTO_LAYOUT:
canvas_view->details->supports_auto_layout = g_value_get_boolean (value);
break;
case PROP_SUPPORTS_MANUAL_LAYOUT:
canvas_view->details->supports_manual_layout = g_value_get_boolean (value);
break;
case PROP_SUPPORTS_SCALING:
canvas_view->details->supports_scaling = g_value_get_boolean (value);
break;
case PROP_SUPPORTS_KEEP_ALIGNED:
canvas_view->details->supports_keep_aligned = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nautilus_canvas_view_finalize (GObject *object)
{
NautilusCanvasView *canvas_view;
canvas_view = NAUTILUS_CANVAS_VIEW (object);
g_clear_object (&canvas_view->details->icon);
g_free (canvas_view->details);
g_signal_handlers_disconnect_by_func (nautilus_preferences,
default_sort_order_changed_callback,
canvas_view);
g_signal_handlers_disconnect_by_func (nautilus_preferences,
default_sort_in_reverse_order_changed_callback,
canvas_view);
g_signal_handlers_disconnect_by_func (nautilus_preferences,
image_display_policy_changed_callback,
canvas_view);
g_signal_handlers_disconnect_by_func (nautilus_icon_view_preferences,
text_attribute_names_changed_callback,
canvas_view);
G_OBJECT_CLASS (nautilus_canvas_view_parent_class)->finalize (object);
}
static GIcon*
nautilus_canvas_view_get_icon (NautilusView *view)
{
g_return_val_if_fail (NAUTILUS_IS_CANVAS_VIEW (view), NULL);
return NAUTILUS_CANVAS_VIEW (view)->details->icon;
}
static void
nautilus_canvas_view_class_init (NautilusCanvasViewClass *klass)
{
NautilusViewClass *nautilus_view_class;
GObjectClass *oclass;
nautilus_view_class = NAUTILUS_VIEW_CLASS (klass);
oclass = G_OBJECT_CLASS (klass);
oclass->set_property = nautilus_canvas_view_set_property;
oclass->finalize = nautilus_canvas_view_finalize;
GTK_WIDGET_CLASS (klass)->destroy = nautilus_canvas_view_destroy;
nautilus_view_class->add_file = nautilus_canvas_view_add_file;
nautilus_view_class->begin_loading = nautilus_canvas_view_begin_loading;
nautilus_view_class->bump_zoom_level = nautilus_canvas_view_bump_zoom_level;
nautilus_view_class->can_rename_file = nautilus_canvas_view_can_rename_file;
nautilus_view_class->can_zoom_in = nautilus_canvas_view_can_zoom_in;
nautilus_view_class->can_zoom_out = nautilus_canvas_view_can_zoom_out;
nautilus_view_class->clear = nautilus_canvas_view_clear;
nautilus_view_class->end_loading = nautilus_canvas_view_end_loading;
nautilus_view_class->file_changed = nautilus_canvas_view_file_changed;
nautilus_view_class->get_selected_icon_locations = nautilus_canvas_view_get_selected_icon_locations;
nautilus_view_class->get_selection = nautilus_canvas_view_get_selection;
nautilus_view_class->get_selection_for_file_transfer = nautilus_canvas_view_get_selection;
nautilus_view_class->is_empty = nautilus_canvas_view_is_empty;
nautilus_view_class->remove_file = nautilus_canvas_view_remove_file;
nautilus_view_class->restore_default_zoom_level = nautilus_canvas_view_restore_default_zoom_level;
nautilus_view_class->reveal_selection = nautilus_canvas_view_reveal_selection;
nautilus_view_class->select_all = nautilus_canvas_view_select_all;
nautilus_view_class->select_first = nautilus_canvas_view_select_first;
nautilus_view_class->set_selection = nautilus_canvas_view_set_selection;
nautilus_view_class->invert_selection = nautilus_canvas_view_invert_selection;
nautilus_view_class->compare_files = compare_files;
nautilus_view_class->click_policy_changed = nautilus_canvas_view_click_policy_changed;
nautilus_view_class->update_actions_state = nautilus_canvas_view_update_actions_state;
nautilus_view_class->sort_directories_first_changed = nautilus_canvas_view_sort_directories_first_changed;
nautilus_view_class->using_manual_layout = nautilus_canvas_view_using_manual_layout;
nautilus_view_class->widget_to_file_operation_position = nautilus_canvas_view_widget_to_file_operation_position;
nautilus_view_class->get_view_id = nautilus_canvas_view_get_id;
nautilus_view_class->get_first_visible_file = canvas_view_get_first_visible_file;
nautilus_view_class->scroll_to_file = canvas_view_scroll_to_file;
nautilus_view_class->get_icon = nautilus_canvas_view_get_icon;
properties[PROP_SUPPORTS_AUTO_LAYOUT] =
g_param_spec_boolean ("supports-auto-layout",
"Supports auto layout",
"Whether this view supports auto layout",
TRUE,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY);
properties[PROP_SUPPORTS_MANUAL_LAYOUT] =
g_param_spec_boolean ("supports-manual-layout",
"Supports manual layout",
"Whether this view supports manual layout",
FALSE,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY);
properties[PROP_SUPPORTS_SCALING] =
g_param_spec_boolean ("supports-scaling",
"Supports scaling",
"Whether this view supports scaling",
FALSE,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY);
properties[PROP_SUPPORTS_KEEP_ALIGNED] =
g_param_spec_boolean ("supports-keep-aligned",
"Supports keep aligned",
"Whether this view supports keep aligned",
FALSE,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_properties (oclass, NUM_PROPERTIES, properties);
}
static void
nautilus_canvas_view_init (NautilusCanvasView *canvas_view)
{
NautilusCanvasContainer *canvas_container;
GActionGroup *view_action_group;
canvas_view->details = g_new0 (NautilusCanvasViewDetails, 1);
canvas_view->details->sort = &sort_criteria[0];
canvas_view->details->icon = g_themed_icon_new ("view-grid-symbolic");
canvas_container = create_canvas_container (canvas_view);
g_signal_connect_swapped (nautilus_preferences,
"changed::" NAUTILUS_PREFERENCES_DEFAULT_SORT_ORDER,
G_CALLBACK (default_sort_order_changed_callback),
canvas_view);
g_signal_connect_swapped (nautilus_preferences,
"changed::" NAUTILUS_PREFERENCES_DEFAULT_SORT_IN_REVERSE_ORDER,
G_CALLBACK (default_sort_in_reverse_order_changed_callback),
canvas_view);
g_signal_connect_swapped (nautilus_preferences,
"changed::" NAUTILUS_PREFERENCES_SHOW_FILE_THUMBNAILS,
G_CALLBACK (image_display_policy_changed_callback),
canvas_view);
g_signal_connect_swapped (nautilus_icon_view_preferences,
"changed::" NAUTILUS_PREFERENCES_ICON_VIEW_CAPTIONS,
G_CALLBACK (text_attribute_names_changed_callback),
canvas_view);
g_signal_connect_object (canvas_container, "handle-netscape-url",
G_CALLBACK (canvas_view_handle_netscape_url), canvas_view, 0);
g_signal_connect_object (canvas_container, "handle-uri-list",
G_CALLBACK (canvas_view_handle_uri_list), canvas_view, 0);
g_signal_connect_object (canvas_container, "handle-text",
G_CALLBACK (canvas_view_handle_text), canvas_view, 0);
g_signal_connect_object (canvas_container, "handle-raw",
G_CALLBACK (canvas_view_handle_raw), canvas_view, 0);
g_signal_connect_object (canvas_container, "handle-hover",
G_CALLBACK (canvas_view_handle_hover), canvas_view, 0);
canvas_view->details->clipboard_handler_id =
g_signal_connect (nautilus_clipboard_monitor_get (),
"clipboard-info",
G_CALLBACK (canvas_view_notify_clipboard_info), canvas_view);
view_action_group = nautilus_view_get_action_group (NAUTILUS_VIEW (canvas_view));
g_action_map_add_action_entries (G_ACTION_MAP (view_action_group),
canvas_view_entries,
G_N_ELEMENTS (canvas_view_entries),
canvas_view);
/* Keep the action synced with the actual value, so the toolbar can poll it */
g_action_group_change_action_state (nautilus_view_get_action_group (NAUTILUS_VIEW (canvas_view)),
"zoom-to-level", g_variant_new_int32 (get_default_zoom_level (canvas_view)));
}
NautilusView *
nautilus_canvas_view_new (NautilusWindowSlot *slot)
{
return g_object_new (NAUTILUS_TYPE_CANVAS_VIEW,
"window-slot", slot,
NULL);
}