/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ #+ #+ Glade / Gtk Programming #+ #+ Copyright (C) 2019 by Kevin C. O'Kane #+ #+ Kevin C. O'Kane #+ kc.okane@gmail.com #+ https://www.cs.uni.edu/~okane #+ http://threadsafebooks.com/ #+ #+ This program is free software; you can redistribute it and/or modify #+ it under the terms of the GNU General Public License as published by #+ the Free Software Foundation; either version 2 of the License, or #+ (at your option) any later version. #+ #+ This program 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 General Public License for more details. #+ #+ You should have received a copy of the GNU General Public License #+ along with this program; if not, write to the Free Software #+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #+ #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ // May 14, 2019 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include GtkWidget *window; GtkWidget *fixed1; GtkWidget *draw2; GtkBuilder *builder; char bg_color[256] = "blue"; #include "meter.h" int main(int argc, char *argv[]) { gtk_init(&argc, &argv); // init Gtk //----------------------- // GTK interface //----------------------- builder = gtk_builder_new_from_resource ("/part1/part1.glade"); window = GTK_WIDGET(gtk_builder_get_object(builder, "window")); g_signal_connect(window, "destroy", G_CALLBACK(on_destroy), NULL); gtk_builder_connect_signals(builder, NULL); fixed1 = GTK_WIDGET(gtk_builder_get_object(builder, "fixed1")); draw2 = GTK_WIDGET(gtk_builder_get_object(builder, "draw2")); g_object_unref(builder); gtk_widget_show(window); GdkColor color; // default background color if (!gdk_color_parse (bg_color, &color)) { // does color parse? color.blue = 0x0000; color.red = 0x0000; color.green = 0x0000; } gtk_widget_modify_bg(window, GTK_STATE_NORMAL, &color); // set background color gtk_window_set_title(GTK_WINDOW(window), "Meter 1.00"); gtk_window_set_resizable (GTK_WINDOW(window), TRUE); gtk_widget_add_events(GTK_WIDGET(window), GDK_CONFIGURE); //---------------------------------------------------------------- // Timer will trigger once per second (1000 milliseconds). // Timer function will collect data on system load and // queue an update draw to the meter. //---------------------------------------------------------------- g_timeout_add(1000, (GSourceFunc) timer_handler, NULL); gtk_main(); return EXIT_SUCCESS; }