Data commit

Task/Window-creation/C/window-creation-1.c

@@ -0,0 +1,22 @@
+/*
+ *   Opens an 800x600 16bit color window.
+ *   Done here with ANSI C.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "SDL.h"
+
+int main()
+{
+  SDL_Surface *screen;
+
+  if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+    fprintf(stderr, "Unable to initialize SDL: %s\n", SDL_GetError());
+    return 1;
+  }
+  atexit(SDL_Quit);
+  screen = SDL_SetVideoMode( 800, 600, 16, SDL_SWSURFACE | SDL_HWPALETTE );
+
+  return 0;
+}

Task/Window-creation/C/window-creation-2.c

@@ -0,0 +1,16 @@
+#include <gtk/gtk.h>
+
+int
+main(int argc, char *argv[])
+{
+  GtkWidget *window;
+
+  gtk_init(&argc, &argv);
+  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  gtk_signal_connect(GTK_OBJECT(window), "destroy",
+    GTK_SIGNAL_FUNC(gtk_main_quit), NULL);
+  gtk_widget_show(window);
+  gtk_main();
+
+  return 0;
+}

Task/Window-creation/C/window-creation-3.c

@@ -0,0 +1,15 @@
+#include <gtk/gtk.h>
+
+int
+main(int argc, char *argv[])
+{
+  GtkWidget *window;
+
+  gtk_init(&argc, &argv);
+  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  g_signal_connect (window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
+  gtk_widget_show(window);
+  gtk_main();
+
+  return 0;
+}

Task/Window-creation/C/window-creation-4.c

@@ -0,0 +1,40 @@
+// A C+GLUT implementation of the Creating a Window task at Rosetta Code
+// http://rosettacode.org/wiki/Creating_a_Window
+#include <stdlib.h>
+#include <GL/glut.h>
+
+// This function is not strictly necessary to meet the requirements of the task.
+void onKeyPress(unsigned char key, int x, int y)
+{
+	// If you have any cleanup or such, you need to use C's
+	// onexit routine for registering cleanup callbacks.
+	exit(0);
+
+}
+
+int main(int argc, char **argv)
+{
+	// Pulls out any command-line arguments that are specific to GLUT,
+	// And leaves a command-line argument set without any of those arguments
+	// when it returns.
+	// (If you want a copy, take a copy first.)
+	glutInit(&argc, argv);
+
+	// Tell GLUT we want to create a window.
+	// It won't *actually* be created until we call glutMainLoop below.
+	glutCreateWindow("Goodbye, World!");
+
+	// Register a callback to handle key press events (so we can quit on
+	// when someone hits a key)  This part is not necessary to meet the
+	// requirements of the task.
+	glutKeyboardFunc(&onKeyPress);
+
+	// Put the execution of the app in glut's hands. Most GUI environments
+	// involve a message loop that communicate window events. GLUT handles
+	// most of these with defaults, except for any we register callbacks
+	// for. (Like the onKeyPress above.)
+	glutMainLoop();
+
+	return 0;
+
+}