utilops.c

Gqview,Linux下基于GTK+库写成的轻量级而能丰富的图像浏览程序。

	generic_dialog_add_message(gd, GTK_STOCK_DIALOG_QUESTION,
				   _("Overwrite file?"),
				   _("Replace existing file with new file."));
	pref_spacer(gd->vbox, 0);

	generic_dialog_add_button(gd, GTK_STOCK_YES, _("_Overwrite"), file_util_move_multiple_ok_cb, TRUE);
	fdm->yes_all_button = generic_dialog_add_button(gd, NULL, _("Overwrite _all"),
							file_util_move_multiple_all_cb, FALSE);
	generic_dialog_add_button(gd, GTK_STOCK_GOTO_LAST, _("S_kip all"), file_util_move_multiple_skip_all_cb, FALSE);
	generic_dialog_add_button(gd, GTK_STOCK_GO_FORWARD, _("_Skip"), file_util_move_multiple_skip_cb, FALSE);
	generic_dialog_add_image(gd, fdm->dest, _("Existing file"), fdm->source, _("New file"), TRUE);

	/* rename option */

	fdm->rename = FALSE;
	fdm->rename_all = FALSE;
	fdm->rename_auto = FALSE;

	hbox = pref_box_new(gd->vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_GAP);

	fdm->rename_auto_box = gtk_check_button_new_with_label(_("Auto rename"));
	g_signal_connect(G_OBJECT(fdm->rename_auto_box), "clicked",
			 G_CALLBACK(file_util_move_multiple_rename_auto_cb), gd);
	gtk_box_pack_start(GTK_BOX(hbox), fdm->rename_auto_box, FALSE, FALSE, 0);
	gtk_widget_show(fdm->rename_auto_box);

	hbox = pref_box_new(gd->vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_GAP);

	fdm->rename_box = gtk_check_button_new_with_label(_("Rename"));
	g_signal_connect(G_OBJECT(fdm->rename_box), "clicked",
			 G_CALLBACK(file_util_move_multiple_rename_cb), gd);
	gtk_box_pack_start(GTK_BOX(hbox), fdm->rename_box, FALSE, FALSE, 0);
	gtk_widget_show(fdm->rename_box);

	fdm->rename_entry = gtk_entry_new();
	gtk_entry_set_text(GTK_ENTRY(fdm->rename_entry), filename_from_path(fdm->dest));
	gtk_widget_set_sensitive(fdm->rename_entry, FALSE);
	gtk_box_pack_start(GTK_BOX(hbox), fdm->rename_entry, TRUE, TRUE, 0);
	gtk_widget_show(fdm->rename_entry);

	return gd;
}

static void file_util_move_multiple(FileDataMult *fdm)
{
	while (fdm->dest || fdm->source_next)
		{
		gint success = FALSE;
		gint skip_file = FALSE;

		if (!fdm->dest)
			{
			GList *work = fdm->source_next;
			fdm->source = work->data;
			fdm->dest = concat_dir_and_file(fdm->dest_base, filename_from_path(fdm->source));
			fdm->source_next = work->next;
			fdm->confirmed = FALSE;
			}

		if (fdm->dest && fdm->source && strcmp(fdm->dest, fdm->source) == 0)
			{
			if (!fdm->confirmed)
				{
				GenericDialog *gd;
				const gchar *title;
				gchar *text;

				if (fdm->copy)
					{
					title = _("Source to copy matches destination");
					text = g_strdup_printf(_("Unable to copy file:\n%s\nto itself."), fdm->dest);
					}
				else
					{
					title = _("Source to move matches destination");
					text = g_strdup_printf(_("Unable to move file:\n%s\nto itself."), fdm->dest);
					}

				gd = file_util_gen_dlg(title, "GQview", "dlg_confirm",
							NULL, TRUE,
							file_util_move_multiple_cancel_cb, fdm);
				generic_dialog_add_message(gd, GTK_STOCK_DIALOG_WARNING, title, text);
				g_free(text);
				generic_dialog_add_button(gd, GTK_STOCK_GO_FORWARD, _("Co_ntinue"),
							 file_util_move_multiple_continue_cb, TRUE);

				gtk_widget_show(gd->dialog);
				return;
				}
			skip_file = TRUE;
			}
		else if (isfile(fdm->dest))
			{
			if (!fdm->confirmed && !fdm->confirm_all)
				{
				GenericDialog *gd;

				gd = file_util_move_multiple_confirm_dialog(fdm);
				gtk_widget_show(gd->dialog);
				return;
				}
			if (fdm->skip) skip_file = TRUE;
			}

		if (skip_file)
			{
			success = TRUE;
			if (!fdm->confirm_all) fdm->skip = FALSE;
			}
		else
			{
			gint try = TRUE;

			if (fdm->confirm_all && fdm->rename_all && isfile(fdm->dest))
				{
				gchar *buf;
				buf = unique_filename_simple(fdm->dest);
				if (buf)
					{
					g_free(fdm->dest);
					fdm->dest = buf;
					}
				else
					{
					try = FALSE;
					}
				}
			if (try)
				{
				if (fdm->copy)
					{
					if (copy_file(fdm->source, fdm->dest))
						{
						success = TRUE;
						file_maint_copied(fdm->source, fdm->dest);
						}
					}
				else
					{
					if (move_file(fdm->source, fdm->dest))
						{
						success = TRUE;
						file_maint_moved(fdm->source, fdm->dest, fdm->source_list);
						}
					}
				}
			}

		if (!success)
			{
			GenericDialog *gd;
			const gchar *title;
			gchar *text;

			if (fdm->copy)
				{
				title = _("Error copying file");
				text = g_strdup_printf(_("Unable to copy file:\n%s\nto:\n%s\nduring multiple file copy."), fdm->source, fdm->dest);
				}
			else
				{
				title = _("Error moving file");
				text = g_strdup_printf(_("Unable to move file:\n%s\nto:\n%s\nduring multiple file move."), fdm->source, fdm->dest);
				}
			gd = file_util_gen_dlg(title, "GQview", "dlg_confirm",
						NULL, TRUE,
						file_util_move_multiple_cancel_cb, fdm);
			generic_dialog_add_message(gd, GTK_STOCK_DIALOG_WARNING, title, text);
			g_free(text);

			generic_dialog_add_button(gd, GTK_STOCK_GO_FORWARD, _("Co_ntinue"),
						  file_util_move_multiple_continue_cb, TRUE);
			gtk_widget_show(gd->dialog);
			}

		g_free(fdm->dest);
		fdm->dest = NULL;

		if (!success) return;
		}

	file_data_multiple_free(fdm);
}

/*
 * Single file move
 */

static FileDataSingle *file_data_single_new(const gchar *source, const gchar *dest, gint copy)
{
	FileDataSingle *fds = g_new0(FileDataSingle, 1);
	fds->confirmed = FALSE;
	fds->source = g_strdup(source);
	fds->dest = g_strdup(dest);
	fds->copy = copy;
	return fds;
}

static void file_data_single_free(FileDataSingle *fds)
{
	g_free(fds->source);
	g_free(fds->dest);
	g_free(fds);
}

static void file_util_move_single(FileDataSingle *fds);

static void file_util_move_single_ok_cb(GenericDialog *gd, gpointer data)
{
	FileDataSingle *fds = data;

	fds->confirmed = TRUE;

	if (fds->rename_auto)
		{
		gchar *buf;

		buf = unique_filename_simple(fds->dest);
		if (buf)
			{
			g_free(fds->dest);
			fds->dest = buf;
			}
		else
			{
			/* unique failed? well, return to the overwrite prompt :( */
			fds->confirmed = FALSE;
			}
		}
	else if (fds->rename)
		{
		const gchar *name;

		name = gtk_entry_get_text(GTK_ENTRY(fds->rename_entry));
		if (strlen(name) == 0 ||
		    strcmp(name, filename_from_path(fds->source)) == 0)
			{
			fds->confirmed = FALSE;
			}
		else
			{
			gchar *base;

			base = remove_level_from_path(fds->dest);
			g_free(fds->dest);
			fds->dest = concat_dir_and_file(base, name);
			fds->confirmed = !isname(fds->dest);

			g_free(base);
			}
		}

	file_util_move_single(fds);
}

static void file_util_move_single_cancel_cb(GenericDialog *gd, gpointer data)
{
	FileDataSingle *fds = data;

	file_data_single_free(fds);
}

static void file_util_move_single_rename_auto_cb(GtkWidget *widget, gpointer data)
{
	GenericDialog *gd = data;
	FileDataSingle *fds;

	fds = gd->data;

	fds->rename_auto = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
	gtk_widget_set_sensitive(fds->rename_box, !fds->rename_auto);
	gtk_widget_set_sensitive(fds->rename_entry, (!fds->rename_auto && fds->rename));

	if (fds->rename_auto)
		{
		gchar *preview;

		preview = unique_filename_simple(fds->dest);
		if (preview) gtk_entry_set_text(GTK_ENTRY(fds->rename_entry), filename_from_path(preview));
		g_free(preview);
		}
}

static void file_util_move_single_rename_cb(GtkWidget *widget, gpointer data)
{
	GenericDialog *gd = data;
	FileDataSingle *fds;

	fds = gd->data;

	fds->rename = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
	gtk_widget_set_sensitive(fds->rename_entry, fds->rename);

	if (fds->rename)
		{
		const gchar *name;

		gtk_widget_grab_focus(fds->rename_entry);

		name = gtk_entry_get_text(GTK_ENTRY(fds->rename_entry));
		gtk_editable_select_region(GTK_EDITABLE(fds->rename_entry), 0, filename_base_length(name));
		}
}

static void file_util_move_single(FileDataSingle *fds)
{
	if (fds->dest && fds->source && strcmp(fds->dest, fds->source) == 0)
		{
		file_util_warning_dialog(_("Source matches destination"),
					 _("Source and destination are the same, operation cancelled."),
					 GTK_STOCK_DIALOG_INFO, NULL);
		}
	else if (isfile(fds->dest) && !fds->confirmed)
		{
		GenericDialog *gd;
		GtkWidget *hbox;

		gd = file_util_gen_dlg(_("Overwrite file"), "GQview", "dlg_confirm",
					NULL, TRUE,
					file_util_move_single_cancel_cb, fds);

		generic_dialog_add_message(gd, GTK_STOCK_DIALOG_QUESTION,
					   _("Overwrite file?"),
					   _("Replace existing file with new file."));
		pref_spacer(gd->vbox, 0);

		generic_dialog_add_button(gd, GTK_STOCK_OK, _("_Overwrite"), file_util_move_single_ok_cb, TRUE);
		generic_dialog_add_image(gd, fds->dest, _("Existing file"), fds->source, _("New file"), TRUE);

		/* rename option */

		fds->rename = FALSE;
		fds->rename_auto = FALSE;

		hbox = pref_box_new(gd->vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_GAP);

		fds->rename_auto_box = gtk_check_button_new_with_label(_("Auto rename"));
		g_signal_connect(G_OBJECT(fds->rename_auto_box), "clicked",
				 G_CALLBACK(file_util_move_single_rename_auto_cb), gd);
		gtk_box_pack_start(GTK_BOX(hbox), fds->rename_auto_box, FALSE, FALSE, 0);
		gtk_widget_show(fds->rename_auto_box);

		hbox = pref_box_new(gd->vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_GAP);

		fds->rename_box = gtk_check_button_new_with_label(_("Rename"));
		g_signal_connect(G_OBJECT(fds->rename_box), "clicked",
				 G_CALLBACK(file_util_move_single_rename_cb), gd);
		gtk_box_pack_start(GTK_BOX(hbox), fds->rename_box, FALSE, FALSE, 0);
		gtk_widget_show(fds->rename_box);

		fds->rename_entry = gtk_entry_new();
		gtk_entry_set_text(GTK_ENTRY(fds->rename_entry), filename_from_path(fds->dest));
		gtk_widget_set_sensitive(fds->rename_entry, FALSE);
		gtk_box_pack_start(GTK_BOX(hbox), fds->rename_entry, TRUE, TRUE, 0);
		gtk_widget_show(fds->rename_entry);

		gtk_widget_show(gd->dialog);
		return;
		}
	else
		{
		gint success = FALSE;
		if (fds->copy)
			{
			if (copy_file(fds->source, fds->dest))
				{
				success = TRUE;
				file_maint_copied(fds->source, fds->dest);
				}
			}
		else
			{
			if (move_file(fds->source, fds->dest))
				{
				success = TRUE;
				file_maint_moved(fds->source, fds->dest, NULL);
				}
			}
		if (!success)
			{
			gchar *title;
			gchar *text;
			if (fds->copy)
				{
				title = _("Error copying file");
				text = g_strdup_printf(_("Unable to copy file:\n%s\nto:\n%s"), fds->source, fds->dest);
				}
			else
				{
				title = _("Error moving file");
				text = g_strdup_printf(_("Unable to move file:\n%s\nto:\n%s"), fds->source, fds->dest);
				}
			file_util_warning_dialog(title, text, GTK_STOCK_DIALOG_ERROR, NULL);
			g_free(text);
			}
		}

	file_data_single_free(fds);
}

/*
 * file move dialog
 */

static void file_util_move_do(FileDialog *fd)
{
	file_dialog_sync_history(fd, TRUE);

	if (fd->multiple_files)
		{
		file_util_move_multiple(file_data_multiple_new(fd->source_list, fd->dest_path, fd->type));
		fd->source_list = NULL;
		}
	else
		{
		if (isdir(fd->dest_path))
			{
			gchar *buf = concat_dir_and_file(fd->dest_path, filename_from_path(fd->source_path));
			gtk_entry_set_text(GTK_ENTRY(fd->entry), buf);
			g_free(buf);
			}
		file_util_move_single(file_data_single_new(fd->source_path, fd->dest_path, fd->type));
		}

	file_dialog_close(fd);
}

static void file_util_move_check(FileDialog *fd)
{
	if (fd->dest_path && strcmp(fd->dest_path, "~") == 0)
		{
		gtk_entry_set_text(GTK_ENTRY(fd->entry), homedir());
		}

	if (fd->multiple_files && !isdir(fd->dest_path))
		{
		if (isfile(fd->dest_path))
			{
			file_util_warning_dialog(_("Invalid destination"),
						 _("When operating with multiple files, please select\na folder, not a file."),
						 GTK_STOCK_DIALOG_INFO, NULL);
			}
		else
			file_util_warning_dialog(_("Invalid folder"),
						 _("Please select an existing folder."),
						 GTK_STOCK_DIALOG_INFO, NULL);
		return;
		}

	if (!fd->dest_path || fd->dest_path[0] != '/')
		{
		if (fd->source_path)
			{
			gchar *base;
			gchar *path;

			base = remove_level_from_path(fd->source_path);
			path = concat_dir_and_file(base, fd->dest_path);

			gtk_entry_set_text(GTK_ENTRY(fd->entry), path);

			g_free(path);
			g_free(base);
			}
		return;
		}

	file_util_move_do(fd);
}

static void file_util_move_cb(FileDialog *fd, gpointer data)
{
	file_util_move_check(fd);
}

static void file_util_move_cancel_cb(FileDialog *fd, gpointer data)
{
	file_dialog_close(fd);
}

static void real_file_util_move(const gchar *source_path, GList *source_list,
				const gchar *dest_path, gint copy, GtkWidget *parent)
{
	FileDialog *fd;
	GtkWidget *label;
	gchar *path = NULL;
	gint multiple;
	const gchar *text;
	const gchar *title;
	const gchar *op_text;
	const gchar *stock_id;

	if (!source_path && !source_list) return;

	if (source_path)
		{
		path = g_strdup(source_path);
		multiple = FALSE;
		}