diff options
Diffstat (limited to 'src/progress.c')
| -rw-r--r-- | src/progress.c | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/src/progress.c b/src/progress.c new file mode 100644 index 00000000..1a5a68fd --- /dev/null +++ b/src/progress.c @@ -0,0 +1,429 @@ +/* + * progress.c + * + * Copyright (C) 2002 Sun Microsystems, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * Authors: Glynn Foster <glynn.foster@sun.com> + */ + +#include "config.h" + +#include "util.h" +#include "zenity.h" +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <time.h> +#include <unistd.h> + +static GtkBuilder *builder; +static ZenityData *zen_data; +static GIOChannel *channel; + +static gint pulsate_timeout = -1; +static gboolean autokill; +static gboolean no_cancel; +static gboolean auto_close; + +gint zenity_progress_timeout (gpointer data); +gint zenity_progress_pulsate_timeout (gpointer data); + +static void zenity_progress_dialog_response ( + GtkWidget *widget, int response, gpointer data); + +static gboolean +zenity_progress_pulsate_progress_bar (gpointer user_data) { + gtk_progress_bar_pulse (GTK_PROGRESS_BAR (user_data)); + return TRUE; +} + +static void +zenity_progress_pulsate_stop (void) { + if (pulsate_timeout > 0) { + g_source_remove (pulsate_timeout); + pulsate_timeout = -1; + } +} + +static void +zenity_progress_pulsate_start (GObject *progress_bar) { + if (pulsate_timeout == -1) { + pulsate_timeout = g_timeout_add ( + 100, zenity_progress_pulsate_progress_bar, progress_bar); + } +} + +static void +zenity_progress_update_time_remaining (ZenityProgressData *progress_data) { + static GObject *progress_time = NULL; + static time_t start_time = (time_t) (-1); + float percentage = progress_data->percentage; + + if (progress_time == NULL) + progress_time = + gtk_builder_get_object (builder, "zenity_progress_time"); + if (start_time == (time_t) (-1) || percentage <= 0.0 || + percentage >= 100.0) { + start_time = time (NULL); + gtk_label_set_text (GTK_LABEL (progress_time), ""); + } else { + time_t current_time = time (NULL); + time_t elapsed_time = current_time - start_time; + time_t total_time = + (time_t) (100.0 * elapsed_time / progress_data->percentage); + time_t remaining_time = total_time - elapsed_time; + gulong hours, minutes, seconds; + gchar *remaining_message; + + seconds = (gulong) (remaining_time % 60); + remaining_time /= 60; + minutes = (gulong) (remaining_time % 60); + remaining_time /= 60; + hours = (gulong) remaining_time; + + remaining_message = g_strdup_printf ( + _ ("Time remaining: %lu:%02lu:%02lu"), hours, minutes, seconds); + gtk_label_set_text (GTK_LABEL (progress_time), remaining_message); + g_free (remaining_message); + } +} + +static gboolean +zenity_progress_handle_stdin ( + GIOChannel *channel, GIOCondition condition, gpointer data) { + static ZenityProgressData *progress_data; + static GObject *progress_bar; + static GObject *progress_label; + float percentage = 0.0; + GIOStatus status = G_IO_STATUS_NORMAL; + + progress_data = (ZenityProgressData *) data; + progress_bar = gtk_builder_get_object (builder, "zenity_progress_bar"); + progress_label = gtk_builder_get_object (builder, "zenity_progress_text"); + + if ((condition & G_IO_IN) != 0) { + GString *string; + GError *error = NULL; + + string = g_string_new (NULL); + + while (channel->is_readable != TRUE) + ; + do { + do { + status = g_io_channel_read_line_string ( + channel, string, NULL, &error); + + while (gtk_events_pending ()) + gtk_main_iteration (); + + } while (status == G_IO_STATUS_AGAIN); + + if (status != G_IO_STATUS_NORMAL) { + if (error) { + g_warning ( + "zenity_progress_handle_stdin () : %s", error->message); + g_error_free (error); + error = NULL; + } + continue; + } + + if (!g_ascii_strncasecmp (string->str, "#", 1)) { + gchar *match; + + /* We have a comment, so let's try to change the label */ + match = g_strstr_len (string->str, strlen (string->str), "#"); + match++; + gtk_label_set_text (GTK_LABEL (progress_label), + g_strcompress (g_strchomp (g_strchug (match)))); + + } else if (g_str_has_prefix (string->str, "pulsate")) { + gchar *colon, *command, *value; + + zenity_util_strip_newline (string->str); + + colon = strchr (string->str, ':'); + if (colon == NULL) { + continue; + } + + /* split off the command and value */ + command = + g_strstrip (g_strndup (string->str, colon - string->str)); + + value = colon + 1; + while (*value && g_ascii_isspace (*value)) + value++; + + if (!g_ascii_strcasecmp (value, "false")) { + zenity_progress_pulsate_stop (); + + gtk_progress_bar_set_fraction ( + GTK_PROGRESS_BAR (progress_bar), + progress_data->percentage / 100.0); + } else { + zenity_progress_pulsate_start (progress_bar); + } + + g_free (command); + } else { + + if (!g_ascii_isdigit (*(string->str))) + continue; + + /* Now try to convert the thing to a number */ + percentage = CLAMP (atoi (string->str), 0, 100); + + gtk_progress_bar_set_fraction ( + GTK_PROGRESS_BAR (progress_bar), percentage / 100.0); + + progress_data->percentage = percentage; + + if (progress_data->time_remaining == TRUE) + zenity_progress_update_time_remaining (progress_data); + + if (percentage == 100) { + GObject *button; + + button = gtk_builder_get_object ( + builder, "zenity_progress_ok_button"); + gtk_widget_set_sensitive (GTK_WIDGET (button), TRUE); + gtk_widget_grab_focus (GTK_WIDGET (button)); + + if (progress_data->autoclose) { + zen_data->exit_code = + zenity_util_return_exit_code (ZENITY_OK); + gtk_main_quit (); + } + } + } + + } while ((g_io_channel_get_buffer_condition (channel) & G_IO_IN) == + G_IO_IN && + status != G_IO_STATUS_EOF); + g_string_free (string, TRUE); + } + + if ((condition & G_IO_IN) != G_IO_IN || status == G_IO_STATUS_EOF) { + /* We assume that we are done, so stop the pulsating and de-sensitize + * the buttons */ + GtkWidget *button; + + button = GTK_WIDGET ( + gtk_builder_get_object (builder, "zenity_progress_ok_button")); + gtk_widget_set_sensitive (button, TRUE); + gtk_widget_grab_focus (button); + + button = GTK_WIDGET ( + gtk_builder_get_object (builder, "zenity_progress_cancel_button")); + + gtk_widget_set_sensitive (button, FALSE); + + gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress_bar), 1.0); + + zenity_progress_pulsate_stop (); + + g_object_unref (builder); + + if (progress_data->autoclose) { + zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK); + gtk_main_quit (); + } + + g_io_channel_shutdown (channel, TRUE, NULL); + return FALSE; + } + return TRUE; +} + +static void +zenity_progress_read_info (ZenityProgressData *progress_data) { + channel = g_io_channel_unix_new (0); + g_io_channel_set_encoding (channel, NULL, NULL); + g_io_channel_set_flags (channel, G_IO_FLAG_NONBLOCK, NULL); + g_io_add_watch (channel, + G_IO_IN | G_IO_HUP, + zenity_progress_handle_stdin, + progress_data); + /* We need to check the pulsate state here, because, the g_io_add_watch + doesn't call the zenity_progress_handle_stdin function if there's no + input. This fix the Bug 567663 */ + if (progress_data->pulsate) { + GObject *progress_bar = + gtk_builder_get_object (builder, "zenity_progress_bar"); + zenity_progress_pulsate_start (progress_bar); + } +} + +static void +zenity_text_size_allocate ( + GtkWidget *widget, GtkAllocation *allocation, gpointer data) { + gtk_widget_set_size_request (widget, allocation->width / 2, -1); +} + +void +zenity_progress (ZenityData *data, ZenityProgressData *progress_data) { + GtkWidget *dialog; + GtkWidget *button; + GObject *text; + GObject *progress_bar; + GObject *cancel_button, *ok_button; + + zen_data = data; + builder = zenity_util_load_ui_file ("zenity_progress_dialog", NULL); + + if (builder == NULL) { + data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR); + return; + } + + gtk_builder_connect_signals (builder, NULL); + + text = gtk_builder_get_object (builder, "zenity_progress_text"); + + dialog = + GTK_WIDGET (gtk_builder_get_object (builder, "zenity_progress_dialog")); + + progress_bar = gtk_builder_get_object (builder, "zenity_progress_bar"); + + g_signal_connect (G_OBJECT (dialog), + "response", + G_CALLBACK (zenity_progress_dialog_response), + data); + + if (data->dialog_title) + gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title); + + zenity_util_set_window_icon (dialog, + data->window_icon, + ZENITY_IMAGE_FULLPATH ("zenity-progress.png")); + + if (data->width > -1 || data->height > -1) + gtk_window_set_default_size ( + GTK_WINDOW (dialog), data->width, data->height); + + if (data->width > -1) { + gtk_widget_set_size_request (GTK_WIDGET (text), data->width, -1); + } else { + g_signal_connect_after (G_OBJECT (text), + "size-allocate", + G_CALLBACK (zenity_text_size_allocate), + data); + g_signal_connect_after (G_OBJECT (progress_bar), + "size-allocate", + G_CALLBACK (zenity_text_size_allocate), + data); + } + + if (data->modal) + gtk_window_set_modal (GTK_WINDOW (dialog), TRUE); + + if (data->extra_label) { + gint i = 0; + while (data->extra_label[i] != NULL) { + gtk_dialog_add_button ( + GTK_DIALOG (dialog), data->extra_label[i], i); + i++; + } + } + + if (data->ok_label) { + button = GTK_WIDGET ( + gtk_builder_get_object (builder, "zenity_progress_ok_button")); + gtk_button_set_label (GTK_BUTTON (button), data->ok_label); + } + + if (data->cancel_label) { + button = GTK_WIDGET ( + gtk_builder_get_object (builder, "zenity_progress_cancel_button")); + gtk_button_set_label (GTK_BUTTON (button), data->cancel_label); + } + + if (progress_data->dialog_text) + gtk_label_set_markup ( + GTK_LABEL (text), g_strcompress (progress_data->dialog_text)); + + if (progress_data->percentage > -1) + gtk_progress_bar_set_fraction ( + GTK_PROGRESS_BAR (progress_bar), progress_data->percentage / 100.0); + + autokill = progress_data->autokill; + + auto_close = progress_data->autoclose; + ok_button = gtk_builder_get_object (builder, "zenity_progress_ok_button"); + + no_cancel = progress_data->no_cancel; + cancel_button = + gtk_builder_get_object (builder, "zenity_progress_cancel_button"); + + if (no_cancel) { + gtk_widget_hide (GTK_WIDGET (cancel_button)); + gtk_window_set_deletable (GTK_WINDOW (dialog), FALSE); + } + + if (no_cancel && auto_close) + gtk_widget_hide (GTK_WIDGET (ok_button)); + + zenity_util_show_dialog (dialog, data->attach); + zenity_progress_read_info (progress_data); + + if (data->timeout_delay > 0) { + g_timeout_add_seconds (data->timeout_delay, + (GSourceFunc) zenity_util_timeout_handle, + NULL); + } + + gtk_main (); +} + +static void +zenity_progress_dialog_response ( + GtkWidget *widget, int response, gpointer data) { + switch (response) { + case GTK_RESPONSE_OK: + zenity_util_exit_code_with_data (ZENITY_OK, zen_data); + break; + + case GTK_RESPONSE_CANCEL: + /* We do not want to kill the parent process, in order to give the + user + the ability to choose the action to be taken. See bug #310824. + But we want to give people the option to choose this behavior. + -- Monday 27, March 2006 + */ + if (autokill) { + kill (getppid (), 1); + } + zen_data->exit_code = zenity_util_return_exit_code (ZENITY_CANCEL); + break; + + case ZENITY_TIMEOUT: + zenity_util_exit_code_with_data (ZENITY_TIMEOUT, zen_data); + break; + default: + if (zen_data->extra_label && + response < g_strv_length (zen_data->extra_label)) + printf ("%s\n", zen_data->extra_label[response]); + zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC); + break; + } + gtk_main_quit (); +} |