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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#if defined(UNIX) || defined(MACOSX)
#include <stdio.h>
#include <gtk/gtk.h>
#include <unistd.h>
#include "progressui.h"
#include "readstrings.h"
#include "errors.h"
#define TIMER_INTERVAL 100
static float sProgressVal; // between 0 and 100
static gboolean sQuit = FALSE;
static gboolean sEnableUI;
static guint sTimerID;
static GtkWidget *sWin;
static GtkWidget *sLabel;
static GtkWidget *sProgressBar;
static const char *sProgramPath;
static gboolean
UpdateDialog(gpointer /*data*/)
{
if (sQuit)
{
gtk_widget_hide(sWin);
gtk_main_quit();
}
float progress = sProgressVal;
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(sProgressBar),
progress / 100.0);
return TRUE;
}
static gboolean
OnDeleteEvent(GtkWidget * /*widget*/, GdkEvent * /*event*/, gpointer /*user_data*/)
{
return TRUE;
}
int
InitProgressUI(int *pargc, char ***pargv)
{
sProgramPath = (*pargv)[0];
sEnableUI = gtk_init_check(pargc, pargv);
return 0;
}
int
ShowProgressUI()
{
if (!sEnableUI)
return -1;
// Only show the Progress UI if the process is taking a significant amount of
// time where a significant amount of time is defined as .5 seconds after
// ShowProgressUI is called sProgress is less than 70.
usleep(500000);
if (sQuit || sProgressVal > 70.0f)
return 0;
char ini_path[PATH_MAX];
snprintf(ini_path, sizeof(ini_path), "%s.ini", sProgramPath);
StringTable strings;
if (ReadStrings(ini_path, &strings) != OK)
return -1;
sWin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
if (!sWin)
return -1;
static GdkPixbuf *pixbuf;
char icon_path[PATH_MAX];
snprintf(icon_path, sizeof(icon_path), "%s.png", sProgramPath);
g_signal_connect(G_OBJECT(sWin), "delete_event",
G_CALLBACK(OnDeleteEvent), nullptr);
gtk_window_set_title(GTK_WINDOW(sWin), strings.title);
gtk_window_set_type_hint(GTK_WINDOW(sWin), GDK_WINDOW_TYPE_HINT_DIALOG);
gtk_window_set_position(GTK_WINDOW(sWin), GTK_WIN_POS_CENTER_ALWAYS);
gtk_window_set_resizable(GTK_WINDOW(sWin), FALSE);
gtk_window_set_decorated(GTK_WINDOW(sWin), TRUE);
gtk_window_set_deletable(GTK_WINDOW(sWin),FALSE);
pixbuf = gdk_pixbuf_new_from_file (icon_path, nullptr);
gtk_window_set_icon(GTK_WINDOW(sWin), pixbuf);
g_object_unref(pixbuf);
GtkWidget *vbox = gtk_vbox_new(TRUE, 6);
sLabel = gtk_label_new(strings.info);
gtk_misc_set_alignment(GTK_MISC(sLabel), 0.0f, 0.0f);
sProgressBar = gtk_progress_bar_new();
gtk_box_pack_start(GTK_BOX(vbox), sLabel, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), sProgressBar, TRUE, TRUE, 0);
sTimerID = g_timeout_add(TIMER_INTERVAL, UpdateDialog, nullptr);
gtk_container_set_border_width(GTK_CONTAINER(sWin), 10);
gtk_container_add(GTK_CONTAINER(sWin), vbox);
gtk_widget_show_all(sWin);
gtk_main();
return 0;
}
// Called on a background thread
void
QuitProgressUI()
{
sQuit = TRUE;
}
// Called on a background thread
void
UpdateProgressUI(float progress)
{
sProgressVal = progress; // 32-bit writes are atomic
}
#endif // defined(UNIX) || defined(MACOSX)
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