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filechooserwidget: Reimplement DnD Drop Target

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This reverts commit 34752a15a71597d00a8d08befc545ac1c178b81b.

Leaving out the drag source portion as that needs a total
reimplementation.  The GtkDropTarget only required minor
modifications.
This commit is contained in:
Corey Berla 2022-10-10 21:20:07 -07:00 committed by Matthias Clasen
parent 3a7d094542
commit d0d0409f9d
1 changed files with 114 additions and 0 deletions
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114
gtk/gtkfilechooserwidget.c
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@ -1585,6 +1585,115 @@ change_show_time_state (GSimpleAction *action,
impl->show_time = g_variant_get_boolean (state);
}
/* Shows an error dialog about not being able to select a dragged file */
static void
error_selecting_dragged_file_dialog (GtkFileChooserWidget *impl,
GFile *file,
GError *error)
{
error_dialog (impl,
_("Could not select file"),
error);
}
static void
file_list_drag_data_select_files (GtkFileChooserWidget *impl,
GSList *files)
{
GtkFileChooser *chooser = GTK_FILE_CHOOSER (impl);
GSList *l;
for (l = files; l; l = l->next)
{
GFile *file = l->data;
GError *error = NULL;
gtk_file_chooser_widget_select_file (chooser, file, &error);
if (error)
error_selecting_dragged_file_dialog (impl, file, error);
}
}
typedef struct
{
GtkFileChooserWidget *impl;
GSList *files;
} FileListDragData;
static void
file_list_drag_data_received_get_info_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GFile *file = G_FILE (source);
FileListDragData *data = user_data;
GFileInfo *info;
GtkFileChooserWidget *impl = data->impl;
GtkFileChooser *chooser = GTK_FILE_CHOOSER (impl);
g_clear_object (&impl->file_list_drag_data_received_cancellable);
info = g_file_query_info_finish (file, result, NULL);
if (!info)
goto out;
if ((impl->action == GTK_FILE_CHOOSER_ACTION_OPEN ||
impl->action == GTK_FILE_CHOOSER_ACTION_SAVE) &&
data->files->next == NULL && _gtk_file_info_consider_as_directory (info))
change_folder_and_display_error (data->impl, data->files->data, FALSE);
else
{
GError *local_error = NULL;
gtk_file_chooser_widget_unselect_all (chooser);
gtk_file_chooser_widget_select_file (chooser, data->files->data, &local_error);
if (local_error)
error_selecting_dragged_file_dialog (data->impl, data->files->data, local_error);
}
if (impl->select_multiple)
file_list_drag_data_select_files (data->impl, data->files->next);
out:
g_object_unref (data->impl);
g_slist_free_full (data->files, g_object_unref);
g_free (data);
g_clear_object (&info);
}
static gboolean
file_list_drag_drop_cb (GtkDropTarget *dest,
const GValue *value,
double x,
double y,
GtkFileChooserWidget *impl)
{
GSList *files;
FileListDragData *data;
files = g_value_get_boxed (value);
data = g_new0 (FileListDragData, 1);
data->impl = g_object_ref (impl);
data->files = g_slist_copy_deep (files, (GCopyFunc) g_object_ref, NULL);
if (impl->file_list_drag_data_received_cancellable)
g_cancellable_cancel (impl->file_list_drag_data_received_cancellable);
g_clear_object (&impl->file_list_drag_data_received_cancellable);
impl->file_list_drag_data_received_cancellable = g_cancellable_new ();
g_file_query_info_async (data->files->data,
"standard::type",
G_FILE_QUERY_INFO_NONE,
G_PRIORITY_DEFAULT,
impl->file_list_drag_data_received_cancellable,
file_list_drag_data_received_get_info_cb,
data);
return TRUE;
}
/* Sensitizes the "Copy file’s location" and other context menu items if there is actually
* a selection active.
*/
@ -7007,12 +7116,17 @@ static void
post_process_ui (GtkFileChooserWidget *impl)
{
GFile *file;
GtkDropTarget *target;
GtkGesture *gesture;
GtkEventController *controller;
GtkShortcutTrigger *trigger;
GtkShortcutAction *action;
GtkShortcut *shortcut;
target = gtk_drop_target_new (GDK_TYPE_FILE_LIST, GDK_ACTION_COPY | GDK_ACTION_MOVE);
g_signal_connect (target, "drop", G_CALLBACK (file_list_drag_drop_cb), impl);
gtk_widget_add_controller (impl->browse_files_swin, GTK_EVENT_CONTROLLER (target));
file = g_file_new_for_path ("/");
_gtk_path_bar_set_file (GTK_PATH_BAR (impl->browse_path_bar), file, FALSE);
g_object_unref (file);