1998-11-10 05:28:34 +03:00
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/* Drag and Drop functionality for the Midnight Commander
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*
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* Copyright (C) 1998 The Free Software Foundation
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*
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* Authors: Federico Mena <federico@nuclecu.unam.mx>
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* Miguel de Icaza <miguel@nuclecu.unam.mx>
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*/
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#include <config.h>
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#include <sys/stat.h>
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1998-11-20 08:14:38 +03:00
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#include <sys/types.h>
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1998-11-10 05:28:34 +03:00
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#include "file.h"
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1999-01-14 04:10:32 +03:00
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#include "fileopctx.h"
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1998-11-10 05:28:34 +03:00
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#include "main.h"
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#include "panel.h"
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#include "gscreen.h"
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#include "../vfs/vfs.h"
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1998-11-11 03:05:12 +03:00
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#include <gdk/gdkprivate.h>
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#include "gdnd.h"
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1998-11-10 05:28:34 +03:00
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1998-11-11 03:05:12 +03:00
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/* The menu of DnD actions */
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static GnomeUIInfo actions[] = {
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GNOMEUIINFO_ITEM_NONE (N_("Move here"), NULL, NULL),
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GNOMEUIINFO_ITEM_NONE (N_("Copy here"), NULL, NULL),
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GNOMEUIINFO_ITEM_NONE (N_("Link here"), NULL, NULL),
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GNOMEUIINFO_SEPARATOR,
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1998-12-17 11:39:16 +03:00
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GNOMEUIINFO_ITEM_NONE (N_("Cancel drag"), NULL, NULL),
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GNOMEUIINFO_END
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1998-11-11 03:05:12 +03:00
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};
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1998-11-10 05:28:34 +03:00
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/* Pops up a menu of actions to perform on dropped files */
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static GdkDragAction
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get_action (void)
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{
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1998-11-11 03:05:12 +03:00
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GtkWidget *menu;
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int a;
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GdkDragAction action;
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menu = gnome_popup_menu_new (actions);
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a = gnome_popup_menu_do_popup_modal (menu, NULL, NULL, NULL, NULL);
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1998-12-06 01:53:30 +03:00
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switch (a) {
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1998-11-11 03:05:12 +03:00
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case 0:
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action = GDK_ACTION_MOVE;
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break;
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case 1:
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action = GDK_ACTION_COPY;
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break;
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case 2:
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action = GDK_ACTION_LINK;
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break;
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default:
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action = GDK_ACTION_ASK; /* Magic value to indicate cancellation */
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}
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gtk_widget_destroy (menu);
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return action;
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1998-11-10 05:28:34 +03:00
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}
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1998-11-29 10:50:44 +03:00
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/*
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* Looks for a panel that has the specified window for its list
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* display. It is used to figure out if we are receiving a drop from
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* a panel on this MC process. If no panel is found, it returns NULL.
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1998-11-10 05:28:34 +03:00
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*/
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static WPanel *
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1998-11-28 06:12:13 +03:00
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find_panel_owning_window (GdkDragContext *context)
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1998-11-10 05:28:34 +03:00
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{
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GList *list;
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WPanel *panel;
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1998-12-06 00:54:25 +03:00
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GtkWidget *source_widget, *toplevel_widget;
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1998-11-10 05:28:34 +03:00
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1998-11-28 06:12:13 +03:00
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source_widget = gtk_drag_get_source_widget (context);
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if (!source_widget)
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return NULL;
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/*
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* We will scan the list of existing WPanels. We
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* uniformize the thing by pulling the toplevel
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* widget for each WPanel and compare this to the
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* toplevel source_widget
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*/
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1998-12-06 00:54:25 +03:00
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toplevel_widget = gtk_widget_get_toplevel (source_widget);
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1998-11-10 05:28:34 +03:00
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for (list = containers; list; list = list->next) {
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1998-11-28 06:12:13 +03:00
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GtkWidget *panel_toplevel_widget;
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1998-11-10 05:28:34 +03:00
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panel = ((PanelContainer *) list->data)->panel;
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1998-11-28 06:12:13 +03:00
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panel_toplevel_widget = panel->xwindow;
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1998-11-10 05:28:34 +03:00
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1998-12-06 00:54:25 +03:00
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if (panel->xwindow == toplevel_widget){
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1998-12-05 02:39:41 +03:00
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/*
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* Now a WPanel actually contains a number of
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* drag sources. If the drag source is the
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* Tree, we must report that it was not the
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* contents of the WPanel
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*/
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if (source_widget == panel->tree)
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return NULL;
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1998-11-10 05:28:34 +03:00
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return panel;
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1998-12-05 02:39:41 +03:00
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}
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1998-11-10 05:28:34 +03:00
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}
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return NULL;
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}
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1998-11-29 10:50:44 +03:00
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/*
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* Performs a drop action on the specified panel. Only supports copy
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* and move operations. The files are moved or copied to the
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* specified destination directory.
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1998-11-10 05:28:34 +03:00
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*/
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static void
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1998-12-30 03:32:41 +03:00
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perform_action_on_panel (WPanel *source_panel, GdkDragAction action, char *destdir, int ask)
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1998-11-10 05:28:34 +03:00
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{
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switch (action) {
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case GDK_ACTION_COPY:
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1999-01-14 04:10:32 +03:00
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panel_operate (source_panel, OP_COPY, destdir, ask);
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1998-11-10 05:28:34 +03:00
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break;
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case GDK_ACTION_MOVE:
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1999-01-14 04:10:32 +03:00
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panel_operate (source_panel, OP_MOVE, destdir, ask);
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1998-11-10 05:28:34 +03:00
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break;
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default:
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g_assert_not_reached ();
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}
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/* Finish up */
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update_one_panel_widget (source_panel, FALSE, UP_KEEPSEL);
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1998-12-17 07:51:24 +03:00
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if (action == GDK_ACTION_MOVE)
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panel_update_contents (source_panel);
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1998-11-10 05:28:34 +03:00
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}
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1998-11-29 10:50:44 +03:00
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/*
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* Performs handling of symlinks via drag and drop. This should go
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* away when operation windows support links.
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1998-11-10 05:28:34 +03:00
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*/
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static void
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perform_links (GList *names, char *destdir)
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{
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char *name;
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char *dest_name;
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for (; names; names = names->next) {
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name = names->data;
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if (strncmp (name, "file:", 5) == 0)
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name += 5;
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dest_name = g_concat_dir_and_file (destdir, x_basename (name));
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mc_symlink (name, dest_name);
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g_free (dest_name);
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}
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}
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1998-11-29 10:50:44 +03:00
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/*
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* Performs a drop action manually, by going through the list of files
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* to operate on. The files are copied or moved to the specified
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* directory. This should also encompass symlinking when the file
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1998-11-10 05:28:34 +03:00
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* operations window supports links.
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*/
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static void
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perform_action (GList *names, GdkDragAction action, char *destdir)
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{
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struct stat s;
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char *name;
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char *dest_name;
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int result;
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1999-01-14 04:10:32 +03:00
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FileOpContext *ctx;
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ctx = file_op_context_new ();
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1998-11-10 05:28:34 +03:00
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switch (action) {
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case GDK_ACTION_COPY:
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1999-01-14 04:10:32 +03:00
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file_op_context_create_ui (ctx, OP_COPY, FALSE);
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1998-11-10 05:28:34 +03:00
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break;
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case GDK_ACTION_MOVE:
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1999-01-14 04:10:32 +03:00
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file_op_context_create_ui (ctx, OP_MOVE, FALSE);
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1998-11-10 05:28:34 +03:00
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break;
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default:
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g_assert_not_reached ();
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}
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for (; names; names = names->next) {
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name = names->data;
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if (strncmp (name, "file:", 5) == 0)
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name += 5;
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dest_name = g_concat_dir_and_file (destdir, x_basename (name));
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do {
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result = mc_stat (name, &s);
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if (result != 0) {
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/* FIXME: this error message sucks */
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if (file_error (_("Could not stat %s\n%s"), dest_name) != FILE_RETRY)
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result = 0;
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1998-12-14 04:36:24 +03:00
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} else {
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long count = 0;
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double bytes = 0;
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1998-12-05 02:39:41 +03:00
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1998-12-14 04:36:24 +03:00
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if (S_ISDIR (s.st_mode)) {
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if (action == GDK_ACTION_COPY)
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1999-01-14 04:10:32 +03:00
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copy_dir_dir (ctx,
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name, dest_name,
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TRUE, FALSE,
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FALSE, FALSE,
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&count, &bytes);
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1998-12-14 04:36:24 +03:00
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else
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1999-01-14 04:10:32 +03:00
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move_dir_dir (ctx,
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name, dest_name,
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&count, &bytes);
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1998-12-14 04:36:24 +03:00
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} else {
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if (action == GDK_ACTION_COPY)
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1999-01-14 04:10:32 +03:00
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copy_file_file (ctx,
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name, dest_name,
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TRUE,
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&count, &bytes, 1);
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1998-12-14 04:36:24 +03:00
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else
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1999-01-14 04:10:32 +03:00
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move_file_file (ctx,
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name, dest_name,
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&count, &bytes);
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1998-11-10 05:28:34 +03:00
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}
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}
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} while (result != 0);
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g_free (dest_name);
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break;
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}
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1999-01-14 04:10:32 +03:00
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file_op_context_destroy (ctx);
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1998-11-10 05:28:34 +03:00
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}
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/**
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* gdnd_drop_on_directory:
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* @context: The drag context received from the drag_data_received callback
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* @selection_data: The selection data from the drag_data_received callback
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* @dirname: The name of the directory to drop onto
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*
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* Extracts an URI list from the selection data and drops all the files in the
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* specified directory.
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*
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* Return Value: TRUE if the drop was sucessful, FALSE if it was not.
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**/
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int
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gdnd_drop_on_directory (GdkDragContext *context, GtkSelectionData *selection_data, char *destdir)
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{
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GdkDragAction action;
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WPanel *source_panel;
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GList *names;
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if (context->suggested_action == GDK_ACTION_ASK) {
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action = get_action ();
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if (action == GDK_ACTION_ASK)
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return FALSE;
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1998-12-30 03:32:41 +03:00
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1998-11-10 05:28:34 +03:00
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} else
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action = context->suggested_action;
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/* If we are dragging from a file panel, we can display a nicer status display */
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1998-11-29 10:50:44 +03:00
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source_panel = find_panel_owning_window (context);
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1998-11-10 05:28:34 +03:00
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1999-01-08 04:53:42 +03:00
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/* Check if the user did not drag the information to the same directory */
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if (source_panel){
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if (strcmp (source_panel->cwd, destdir) == 0)
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return FALSE;
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}
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1998-11-10 05:28:34 +03:00
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/* Symlinks do not use file.c */
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if (source_panel && action != GDK_ACTION_LINK)
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1999-01-14 04:10:32 +03:00
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perform_action_on_panel (source_panel, action, destdir,
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context->suggested_action == GDK_ACTION_ASK);
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1998-11-10 05:28:34 +03:00
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else {
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names = gnome_uri_list_extract_uris (selection_data->data);
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if (action == GDK_ACTION_LINK)
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perform_links (names, destdir);
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else
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perform_action (names, action, destdir);
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gnome_uri_list_free_strings (names);
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}
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return TRUE;
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}
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