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。

		box_append_safe_delete_status(gd);

		generic_dialog_add_button(gd, GTK_STOCK_DELETE, NULL, file_util_delete_multiple_ok_cb, TRUE);

		gtk_widget_show(gd->dialog);
		}
}

/*
 * delete single file
 */

static void file_util_delete_ok_cb(GenericDialog *gd, gpointer data)
{
	gchar *path = data;

	if (!file_util_unlink(path))
		{
		gchar *text = g_strdup_printf(_("Unable to delete file:\n%s"), path);
		file_util_warning_dialog(_("File deletion failed"), text, GTK_STOCK_DIALOG_ERROR, NULL);
		g_free(text);
		}
	else
		{
		file_maint_removed(path, NULL);
		}

	g_free(path);
}

static void file_util_delete_cancel_cb(GenericDialog *gd, gpointer data)
{
	gchar *path = data;

	g_free(path);
}

static void file_util_delete_single(const gchar *path, GtkWidget *parent)
{
	gchar *buf = g_strdup(path);

	if (!confirm_delete)
		{
		file_util_delete_ok_cb(NULL, buf);
		}
	else
		{
		GenericDialog *gd;
		GtkWidget *table;
		gchar *base;

		gd = file_util_gen_dlg(_("Delete file - GQview"), "GQview", "dlg_confirm",
					parent, TRUE,
					file_util_delete_cancel_cb, buf);

		generic_dialog_add_message(gd, NULL, _("Delete file?"), NULL);

		table = pref_table_new(gd->vbox, 2, 2, FALSE, FALSE);

		pref_table_label(table, 0, 0, _("File name:"), 1.0);
		pref_table_label(table, 1, 0, filename_from_path(path), 0.0);

		pref_table_label(table, 0, 1, _("Location:"), 1.0);

		base = remove_level_from_path(path);
		pref_table_label(table, 1, 1, base, 0.0);
		g_free(base);

		generic_dialog_add_image(gd, path, NULL, NULL, NULL, FALSE);

		box_append_safe_delete_status(gd);

		generic_dialog_add_button(gd, GTK_STOCK_DELETE, NULL, file_util_delete_ok_cb, TRUE);

		gtk_widget_show(gd->dialog);
		}
}

void file_util_delete(const gchar *source_path, GList *source_list, GtkWidget *parent)
{
	if (!source_path && !source_list) return;

	if (source_path)
		{
		file_util_delete_single(source_path, parent);
		}
	else if (!source_list->next)
		{
		file_util_delete_single(source_list->data, parent);
		path_list_free(source_list);
		}
	else
		{
		file_util_delete_multiple(source_list, parent);
		}
}

/*
 *--------------------------------------------------------------------------
 * Rename routines
 *--------------------------------------------------------------------------
 */

/*
 * rename multiple files
 */

enum {
	RENAME_COLUMN_PATH = 0,
	RENAME_COLUMN_NAME,
	RENAME_COLUMN_PREVIEW,
	RENAME_COLUMN_COUNT
};

typedef struct _RenameDataMult RenameDataMult;
struct _RenameDataMult
{
	FileDialog *fd;

	gint rename_auto;

	GtkWidget *listview;
	GtkWidget *button_auto;

	GtkWidget *rename_box;
	GtkWidget *rename_label;
	GtkWidget *rename_entry;

	GtkWidget *auto_box;
	GtkWidget *auto_entry_front;
	GtkWidget *auto_spin_start;
	GtkWidget *auto_spin_pad;
	GtkWidget *auto_entry_end;

	ImageWindow *imd;

	gint update_idle_id;
};

static void file_util_rename_multiple(RenameDataMult *rd);

static void file_util_rename_multiple_ok_cb(GenericDialog *gd, gpointer data)
{
	RenameDataMult *rd = data;
	GtkWidget *dialog;

	dialog = GENERIC_DIALOG(rd->fd)->dialog;
	if (!GTK_WIDGET_VISIBLE(dialog)) gtk_widget_show(dialog);

	rd->fd->type = TRUE;
	file_util_rename_multiple(rd);
}

static void file_util_rename_multiple_cancel_cb(GenericDialog *gd, gpointer data)
{
	RenameDataMult *rd = data;
	GtkWidget *dialog;

	dialog = GENERIC_DIALOG(rd->fd)->dialog;
	if (!GTK_WIDGET_VISIBLE(dialog)) gtk_widget_show(dialog);
}

static gint file_util_rename_multiple_find_row(RenameDataMult *rd, const gchar *path, GtkTreeIter *iter)
{
	GtkTreeModel *store;
	gint valid;
	gint row = 0;

	store = gtk_tree_view_get_model(GTK_TREE_VIEW(rd->listview));
	valid = gtk_tree_model_get_iter_first(store, iter);
	while (valid)
		{
		gchar *path_n;
		gint ret;

		gtk_tree_model_get(GTK_TREE_MODEL(store), iter, RENAME_COLUMN_PATH, &path_n, -1);
		ret = (strcmp(path_n, path) == 0);
		g_free(path_n);
		if (ret) return row;

		valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
		row++;
		}

	return -1;
}

static void file_util_rename_multiple(RenameDataMult *rd)
{
	FileDialog *fd;

	fd = rd->fd;

	if (isfile(fd->dest_path) && !fd->type)
		{
		GenericDialog *gd;

		gd = file_util_gen_dlg(_("Overwrite file"), "GQview", "dlg_confirm",
					NULL, TRUE,
					file_util_rename_multiple_cancel_cb, rd);

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

		generic_dialog_add_button(gd, GTK_STOCK_OK, _("_Overwrite"), file_util_rename_multiple_ok_cb, TRUE);
		generic_dialog_add_image(gd, fd->dest_path, _("Existing file"), fd->source_path, _("New file"), TRUE);

		gtk_widget_hide(GENERIC_DIALOG(fd)->dialog);

		gtk_widget_show(gd->dialog);
		return;
		}
	else
		{
		if (!rename_file(fd->source_path, fd->dest_path))
			{
			gchar *text = g_strdup_printf(_("Unable to rename file:\n%s\n to:\n%s"),
						      filename_from_path(fd->source_path),
						      filename_from_path(fd->dest_path));
			file_util_warning_dialog(_("Error renaming file"), text, GTK_STOCK_DIALOG_ERROR, NULL);
			g_free(text);
			}
		else
			{
			GtkTreeModel *store;
			GtkTreeIter iter;
			GtkTreeIter next;
			gint row;

			file_maint_renamed(fd->source_path, fd->dest_path);

			store = gtk_tree_view_get_model(GTK_TREE_VIEW(rd->listview));
			row = file_util_rename_multiple_find_row(rd, rd->fd->source_path, &iter);

			if (row >= 0 &&
			    (gtk_tree_model_iter_nth_child(store, &next, NULL, row + 1) ||
			    (row > 0 && gtk_tree_model_iter_nth_child(store, &next, NULL, row - 1)) ) )
				{
				GtkTreeSelection *selection;

				selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(rd->listview));
				gtk_tree_selection_select_iter(selection, &next);
				gtk_list_store_remove(GTK_LIST_STORE(store), &iter);
				}
			else
				{
				if (debug) printf("closed by #%d\n", row);

				file_dialog_close(rd->fd);
				}
			}
		}
}

static void file_util_rename_multiple_auto(RenameDataMult *rd)
{
	const gchar *front;
	const gchar *end;
	gint start_n;
	gint padding;
	gint n;
	GtkTreeModel *store;
	GtkTreeIter iter;
	gint valid;
	gint success;

	history_combo_append_history(rd->auto_entry_front, NULL);
	history_combo_append_history(rd->auto_entry_end, NULL);

	front = gtk_entry_get_text(GTK_ENTRY(rd->auto_entry_front));
	end = gtk_entry_get_text(GTK_ENTRY(rd->auto_entry_end));
	start_n = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(rd->auto_spin_start));
	padding = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(rd->auto_spin_pad));

	store = gtk_tree_view_get_model(GTK_TREE_VIEW(rd->listview));

	/* first check for name conflicts */
	success = TRUE;
	n = start_n;
	valid = gtk_tree_model_get_iter_first(store, &iter);
	while (valid && success)
		{
		gchar *dest;
		gchar *base;
		gchar *path;

		gtk_tree_model_get(store, &iter, RENAME_COLUMN_PATH, &path, -1);

		base = remove_level_from_path(path);
		dest = g_strdup_printf("%s/%s%0*d%s", base, front, padding, n, end);
		if (isname(dest)) success = FALSE;
		g_free(dest);
		g_free(base);
		g_free(path);

		n++;
		valid = gtk_tree_model_iter_next(store, &iter);
		}

	if (!success)
		{
		file_util_warning_dialog(_("Auto rename"),
			       _("Can not auto rename with the selected\nnumber set, one or more files exist that\nmatch the resulting name list.\n"),
			       GTK_STOCK_DIALOG_WARNING, NULL);
		return;
		}

	/* select the first iter, so that on fail the correct info is given to user */
	if (gtk_tree_model_get_iter_first(store, &iter))
		{
		GtkTreeSelection *selection;

		selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(rd->listview));
		gtk_tree_selection_select_iter(selection, &iter);
		}

	/* now do it for real */
	success = TRUE;
	n = start_n;
	while (success && gtk_tree_model_get_iter_first(store, &iter))
		{
		gchar *dest;
		gchar *base;
		gchar *path;

		gtk_tree_model_get(store, &iter, RENAME_COLUMN_PATH, &path, -1);

		base = remove_level_from_path(path);
		dest = g_strdup_printf("%s/%s%0*d%s", base, front, padding, n, end);
		if (!rename_file(path, dest))
			{
			success = FALSE;
			}
		else
			{
			file_maint_renamed(path, dest);
			}

		g_free(dest);
		g_free(base);
		g_free(path);

		if (success)
			{
			gtk_list_store_remove(GTK_LIST_STORE(store), &iter);
			if (gtk_tree_model_get_iter_first(store, &iter))
				{
				GtkTreeSelection *selection;

				selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(rd->listview));
				gtk_tree_selection_select_iter(selection, &iter);
				}
			}

		n++;
		}

	if (!success)
		{
		gchar *buf;

		n--;
		gtk_spin_button_set_value(GTK_SPIN_BUTTON(rd->auto_spin_start), (gdouble)n);

		buf = g_strdup_printf(_("Failed to rename\n%s\nThe number was %d."), filename_from_path(rd->fd->source_path), n);
		file_util_warning_dialog(_("Auto rename"), buf, GTK_STOCK_DIALOG_ERROR, NULL);
		g_free(buf);

		return;
		}

	file_dialog_close(rd->fd);
}

static void file_util_rename_multiple_cb(FileDialog *fd, gpointer data)
{
	RenameDataMult *rd = data;
	gchar *base;
	const gchar *name;

	if (rd->rename_auto)
		{
		file_util_rename_multiple_auto(rd);
		return;
		}

	name = gtk_entry_get_text(GTK_ENTRY(rd->rename_entry));
	base = remove_level_from_path(fd->source_path);

	g_free(fd->dest_path);
	fd->dest_path = concat_dir_and_file(base, name);
	g_free(base);

	if (strlen(name) == 0 || strcmp(fd->source_path, fd->dest_path) == 0)
		{
		return;
		}

	fd->type = FALSE;
	file_util_rename_multiple(rd);
}

static void file_util_rename_multiple_close_cb(FileDialog *fd, gpointer data)
{
	RenameDataMult *rd = data;

	file_dialog_close(rd->fd);
}

static gboolean file_util_rename_multiple_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
						    gboolean path_currently_selected, gpointer data)
{
	RenameDataMult *rd = data;
	GtkTreeIter iter;
	const gchar *name;
	gchar *path = NULL;

	if (path_currently_selected ||
	    !gtk_tree_model_get_iter(store, &iter, tpath)) return TRUE;
	gtk_tree_model_get(store, &iter, RENAME_COLUMN_PATH, &path, -1);

	g_free(rd->fd->source_path);
	rd->fd->source_path = path;

	name = filename_from_path(rd->fd->source_path);
	gtk_label_set_text(GTK_LABEL(rd->rename_label), name);
	gtk_entry_set_text(GTK_ENTRY(rd->rename_entry), name);

	image_change_path(rd->imd, rd->fd->source_path, 0.0);

	if (GTK_WIDGET_VISIBLE(rd->rename_box))
		{
		gtk_widget_grab_focus(rd->rename_entry);
		gtk_editable_select_region(GTK_EDITABLE(rd->rename_entry), 0, filename_base_length(name));
		}

	return TRUE;
}

static void file_util_rename_multiple_preview_update(RenameDataMult *rd)
{
	GtkTreeModel *store;
	GtkTreeIter iter;
	const gchar *front;
	const gchar *end;
	gint valid;
	gint start_n;
	gint padding;
	gint n;

	front = gtk_entry_get_text(GTK_ENTRY(rd->auto_entry_front));
	end = gtk_entry_get_text(GTK_ENTRY(rd->auto_entry_end));
	start_n = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(rd->auto_spin_start));
	padding = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(rd->auto_spin_pad));

	store = gtk_tree_view_get_model(GTK_TREE_VIEW(rd->listview));
	n = start_n;
	valid = gtk_tree_model_get_iter_first(store, &iter);
	while (valid)
		{
		gchar *dest;

		dest = g_strdup_printf("%s%0*d%s", front, padding, n, end);
		gtk_list_store_set(GTK_LIST_STORE(store), &iter, RENAME_COLUMN_PREVIEW, dest, -1);
		g_free(dest);

		n++;
		valid = gtk_tree_model_iter_next(store, &iter);
		}

}

static gboolean file_util_rename_multiple_idle_cb(gpointer data)
{
	RenameDataMult *rd = data;

	file_util_rename_multiple_preview_update(rd);

	rd->update_idle_id = -1;
	return FALSE;
}

static void file_util_rename_multiple_preview_order_cb(GtkTreeModel *treemodel, GtkTreePath *tpath,
						       GtkTreeIter *iter, gpointer data)
{
	RenameDataMult *rd = data;

	if (rd->rename_auto && rd->update_idle_id == -1)
		{
		rd->update_idle_id = g_idle_add(file_util_rename_multiple_idle_cb, rd);
		}
}

static void file_util_rename_multiple_preview_entry_cb(GtkWidget *entry, gpointer data)
{
	RenameDataMult *rd = data;
	file_util_rename_multiple_preview_update(rd);