mirror of
https://gitlab.gnome.org/GNOME/nautilus
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353 lines
8.3 KiB
C
353 lines
8.3 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/* dfos-xfer-progress-dialog.c - Progress dialog for transfer operations in the
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GNOME Desktop File Operation Service.
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Copyright (C) 1999, 2000 Free Software Foundation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; see the file COPYING. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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Author: Ettore Perazzoli <ettore@gnu.org> */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <gnome.h>
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#include "dfos-xfer-progress-dialog.h"
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#define DIALOG_WIDTH 350 /* FIXME? */
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static GnomeDialogClass *parent_class;
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/* Private functions. */
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static void
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update (DFOSXferProgressDialog *dialog)
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{
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gtk_progress_configure (GTK_PROGRESS (dialog->progress_bar),
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dialog->total_bytes_copied,
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0.0, dialog->bytes_total);
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}
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/* This code by Jonathan Blandford (jrb@redhat.com) was shamelessly ripped from
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`gnome/gdialog.c' in Midnight Commander with minor changes. */
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static gchar *
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trim_string (const gchar *string,
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GdkFont *font,
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guint length,
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guint cur_length)
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{
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static guint dotdotdot = 0;
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gchar *string_copy = NULL;
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gint len;
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if (!dotdotdot)
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dotdotdot = gdk_string_width (font, "...");
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/* Cut the font length of string to length. */
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length -= dotdotdot;
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len = (gint) ((1.0 - (gfloat) length / (gfloat) cur_length)
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* strlen (string));
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/* we guess a starting point */
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if (gdk_string_width (font, string + len) < length) {
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while (gdk_string_width (font, string + len) < length)
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len --;
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len++;
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} else {
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while (gdk_string_width (font, string + len) > length)
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len ++;
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}
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string_copy = g_strdup_printf ("...%s", string + len);
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return string_copy;
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}
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static void
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set_text_trimmed (GtkLabel *label,
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const gchar *text,
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const gchar *trimmable_text,
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guint max_width)
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{
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GdkFont *font;
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gchar *trimmed_text;
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gchar *s;
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guint text_width;
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guint trimmable_text_width;
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font = GTK_WIDGET (label)->style->font;
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if (text != NULL)
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text_width = gdk_string_width (font, text);
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else
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text_width = 0;
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if (trimmable_text != NULL)
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trimmable_text_width = gdk_string_width (font, trimmable_text);
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else
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trimmable_text_width = 0;
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if (text_width + trimmable_text_width <= max_width) {
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s = g_strconcat (text, trimmable_text, NULL);
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gtk_label_set_text (GTK_LABEL (label), s);
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g_free (s);
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return;
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}
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trimmed_text = trim_string (trimmable_text,
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font,
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max_width - text_width,
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trimmable_text_width);
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s = g_strconcat (text, trimmed_text, NULL);
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gtk_label_set_text (GTK_LABEL (label), s);
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g_free (s);
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g_free (trimmed_text);
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}
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/* GnomeDialog signals. */
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/* This is just to make sure the dialog is not closed without explicit
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intervention. */
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static gboolean
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do_close (GnomeDialog *dialog)
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{
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DFOSXferProgressDialog *progress_dialog;
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progress_dialog = DFOS_XFER_PROGRESS_DIALOG (dialog);
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return FALSE;
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}
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/* GtkObject methods. */
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static void
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destroy (GtkObject *object)
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{
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DFOSXferProgressDialog *dialog;
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dialog = DFOS_XFER_PROGRESS_DIALOG (object);
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g_free (dialog->operation_string);
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}
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/* Initialization. */
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static GtkWidget *
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create_label_in_box (GtkBox *vbox)
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{
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GtkWidget *new;
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new = gtk_label_new ("");
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gtk_label_set_justify (GTK_LABEL (new), GTK_JUSTIFY_LEFT);
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gtk_box_pack_start (vbox, new, TRUE, TRUE, 0);
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gtk_widget_show (new);
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return new;
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}
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static void
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init (DFOSXferProgressDialog *dialog)
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{
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GnomeDialog *gnome_dialog;
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GtkBox *vbox;
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gnome_dialog = GNOME_DIALOG (dialog);
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vbox = GTK_BOX (gnome_dialog->vbox);
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dialog->operation_label = create_label_in_box (vbox);
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dialog->source_label = create_label_in_box (vbox);
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dialog->target_label = create_label_in_box (vbox);
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dialog->progress_bar = gtk_progress_bar_new ();
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gtk_progress_bar_set_bar_style (GTK_PROGRESS_BAR (dialog->progress_bar),
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GTK_PROGRESS_CONTINUOUS);
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gtk_progress_bar_set_orientation (GTK_PROGRESS_BAR (dialog->progress_bar),
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GTK_PROGRESS_LEFT_TO_RIGHT);
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gtk_widget_set_usize (GTK_WIDGET (dialog->progress_bar), DIALOG_WIDTH,
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-1);
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gtk_box_pack_start (vbox, dialog->progress_bar, FALSE, TRUE, 0);
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gtk_widget_show (dialog->progress_bar);
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dialog->operation_string = NULL;
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dialog->file_index = 0;
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dialog->file_size = 0;
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dialog->files_total = 0;
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dialog->bytes_total = 0;
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dialog->bytes_copied = 0;
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dialog->total_bytes_copied = 0;
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dialog->freeze_count = 0;
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}
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static void
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class_init (DFOSXferProgressDialogClass *class)
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{
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GtkObjectClass *object_class;
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GnomeDialogClass *dialog_class;
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parent_class = gtk_type_class (gnome_dialog_get_type ());
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object_class = GTK_OBJECT_CLASS (class);
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dialog_class = GNOME_DIALOG_CLASS (class);
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object_class->destroy = destroy;
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dialog_class->close = do_close;
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}
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/* Public functions. */
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guint
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dfos_xfer_progress_dialog_get_type (void)
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{
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static guint type = 0;
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if (type == 0) {
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GtkTypeInfo info = {
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"DFOSXferProgressDialog",
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sizeof (DFOSXferProgressDialog),
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sizeof (DFOSXferProgressDialogClass),
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(GtkClassInitFunc) class_init,
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(GtkObjectInitFunc) init,
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NULL,
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NULL,
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NULL
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};
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type = gtk_type_unique (gnome_dialog_get_type (), &info);
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}
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return type;
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}
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GtkWidget *
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dfos_xfer_progress_dialog_new (const gchar *title,
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const gchar *operation_string,
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gulong total_files,
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gulong total_bytes)
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{
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GtkWidget *new;
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new = gtk_type_new (dfos_xfer_progress_dialog_get_type ());
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dfos_xfer_progress_dialog_set_operation_string (DFOS_XFER_PROGRESS_DIALOG (new),
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operation_string);
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dfos_xfer_progress_dialog_set_total (DFOS_XFER_PROGRESS_DIALOG (new),
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total_files, total_bytes);
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gtk_window_set_title (GTK_WINDOW (new), title);
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gnome_dialog_append_button (GNOME_DIALOG (new),
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GNOME_STOCK_BUTTON_CANCEL);
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return new;
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}
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void
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dfos_xfer_progress_dialog_set_total (DFOSXferProgressDialog *dialog,
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gulong files_total,
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gulong bytes_total)
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{
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g_return_if_fail (IS_DFOS_XFER_PROGRESS_DIALOG (dialog));
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dialog->files_total = files_total;
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dialog->bytes_total = bytes_total;
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update (dialog);
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}
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void
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dfos_xfer_progress_dialog_set_operation_string (DFOSXferProgressDialog *dialog,
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const gchar *operation_string)
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{
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g_return_if_fail (IS_DFOS_XFER_PROGRESS_DIALOG (dialog));
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gtk_label_set_text (GTK_LABEL (dialog->operation_label),
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operation_string);
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dialog->operation_string = g_strdup (operation_string);
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}
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void
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dfos_xfer_progress_dialog_new_file (DFOSXferProgressDialog *dialog,
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const gchar *source_uri,
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const gchar *target_uri,
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gulong size)
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{
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gchar *s;
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g_return_if_fail (IS_DFOS_XFER_PROGRESS_DIALOG (dialog));
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g_return_if_fail (GTK_WIDGET_REALIZED (dialog));
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dialog->file_index++;
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dialog->bytes_copied = 0;
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dialog->file_size = size;
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s = g_strdup_printf ("%s file %ld/%ld",
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dialog->operation_string,
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dialog->file_index, dialog->files_total);
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gtk_label_set_text (GTK_LABEL (dialog->operation_label), s);
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g_free (s);
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set_text_trimmed (GTK_LABEL (dialog->source_label),
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_("From: "), source_uri,
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DIALOG_WIDTH);
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set_text_trimmed (GTK_LABEL (dialog->target_label),
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_("To: "), target_uri,
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DIALOG_WIDTH);
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update (dialog);
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}
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void
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dfos_xfer_progress_dialog_update (DFOSXferProgressDialog *dialog,
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gulong bytes_done_in_file,
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gulong bytes_done)
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{
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g_return_if_fail (IS_DFOS_XFER_PROGRESS_DIALOG (dialog));
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dialog->bytes_copied = bytes_done_in_file;
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dialog->total_bytes_copied = bytes_done;
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update (dialog);
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}
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void
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dfos_xfer_progress_dialog_freeze (DFOSXferProgressDialog *dialog)
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{
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dialog->freeze_count++;
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}
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void
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dfos_xfer_progress_dialog_thaw (DFOSXferProgressDialog *dialog)
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{
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if (dialog->freeze_count > 0)
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dialog->freeze_count--;
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}
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