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