bFraley · November 1, 2015 01:41 · Aug 11, 2015 · Aug 11, 2015 · Aug 11, 2015 · Aug 11, 2015
diff --git a/X11_testAPI.c b/X11_testAPI.c
@@ -45,7 +45,7 @@ int main()
 		    redraw();
 		}
 
-		XSetForeground(display, gc, 100); // 100 is a color
+	    XSetForeground(display, gc, 100); // 100 is a color
 	    XFillRectangle(display, win, gc, 30, 30, 200, 200);
 	}
 } /* END MAIN */

diff --git a/X11_testAPI.c b/X11_testAPI.c
@@ -44,8 +44,8 @@ int main()
 		/* The window was exposed, redraw it */
 		    redraw();
 		}
-
-        XSetForeground(display, gc, 100); // 100 is a color
+		
+		XSetForeground(display, gc, 100); // 100 is a color
 	    XFillRectangle(display, win, gc, 30, 30, 200, 200);
 	}
 } /* END MAIN */

diff --git a/X11_testAPI.c b/X11_testAPI.c
@@ -30,10 +30,10 @@ int main()
     window_init();
 
 	// Basic setup for events and keypress keys
-	XEvent event;        /* XEvent declaration. */
+	XEvent event;          /* XEvent declaration. */
 	KeySym key;		       /* KeyPress event key  */
 	char text[255];		   /* Buffer for KeyPress events */
-    _Bool run = 1;
+	_Bool run = 1;
 
     while(run)
 	{
@@ -74,7 +74,7 @@ void window_init()
 
     // NOTE: At minimum, we have to select the ExposureMask in order for draw
 		//  functions to produce output (draw) to the window.
-		XSelectInput(display, win, ExposureMask|ButtonPressMask|KeyPressMask);
+	XSelectInput(display, win, ExposureMask|ButtonPressMask|KeyPressMask);
 
     gc=XCreateGC(display, win, 0, 0);
 

diff --git a/X11_testAPI.c b/X11_testAPI.c
@@ -27,26 +27,26 @@ Main
 */
 int main()
 {
-	window_init();
+    window_init();
 
 	// Basic setup for events and keypress keys
 	XEvent event;        /* XEvent declaration. */
 	KeySym key;		       /* KeyPress event key  */
 	char text[255];		   /* Buffer for KeyPress events */
-  _Bool run = 1;
+    _Bool run = 1;
 
-  while(run)
+    while(run)
 	{
 		XNextEvent(display, &event);
 
 		if (event.type==Expose && event.xexpose.count==0)
 		{
 		/* The window was exposed, redraw it */
 		    redraw();
-	  }
+		}
 
-    XSetForeground(display, gc, 100); // 100 is a color
-		XFillRectangle(display, win, gc, 30, 30, 200, 200);
+        XSetForeground(display, gc, 100); // 100 is a color
+	    XFillRectangle(display, win, gc, 30, 30, 200, 200);
 	}
 } /* END MAIN */
 
@@ -57,34 +57,34 @@ Function definitions.
 /* window_init creates and manages a window and it's structures.*/
 void window_init()
 {
-	  unsigned long black, white;
+    unsigned long black, white;
 
   	display=XOpenDisplay((char *)0);
 
    	screen=DefaultScreen(display);
 
-	  black=BlackPixel(display, screen),
+	black=BlackPixel(display, screen),
 
-	  white=WhitePixel(display, screen);
+	white=WhitePixel(display, screen);
 
    	win=XCreateSimpleWindow(display,DefaultRootWindow(display),
-		        50, 50, 500, 500, 5, black, white);
+	        50, 50, 500, 500, 5, black, white);
 
-	  XSetStandardProperties(display, win, "zeta","zeta", None, NULL, 0, NULL);
+	XSetStandardProperties(display, win, "zeta","zeta", None, NULL, 0, NULL);
 
     // NOTE: At minimum, we have to select the ExposureMask in order for draw
 		//  functions to produce output (draw) to the window.
 		XSelectInput(display, win, ExposureMask|ButtonPressMask|KeyPressMask);
 
     gc=XCreateGC(display, win, 0, 0);
 
-	  XSetBackground(display, gc, white);
+	XSetBackground(display, gc, white);
 
-	  XSetForeground(display, gc, black);
+	XSetForeground(display, gc, black);
 
-	  XClearWindow(display, win);
+	XClearWindow(display, win);
 
-	  XMapRaised(display, win);
+	XMapRaised(display, win);
 };
 
 void close_window()
@@ -94,7 +94,6 @@ void close_window()
 	XDestroyWindow(display, win);
 
 	XCloseDisplay(display);
-
 };
 
 void redraw()

diff --git a/X11_testAPI.c b/X11_testAPI.c
@@ -0,0 +1,103 @@
+/*
+This should compile using:
+
+gcc X11_testAPI.c-o X11_test -I /usr/include/X11 -L /usr/X11/lib -lX11
+*/
+
+// X11 header files.
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xos.h>
+
+// Declare X11 globals
+Display *display;        /* X11 display type */
+int screen;              /* X11 - client screen */
+Window win;              /* X11 Window type */
+GC gc;                   /* X11 GC (graphic context) type */
+
+/**
+Function declarations.
+*/
+void window_init();
+void close_window();
+void redraw();
+
+/**
+Main
+*/
+int main()
+{
+	window_init();
+
+	// Basic setup for events and keypress keys
+	XEvent event;        /* XEvent declaration. */
+	KeySym key;		       /* KeyPress event key  */
+	char text[255];		   /* Buffer for KeyPress events */
+  _Bool run = 1;
+
+  while(run)
+	{
+		XNextEvent(display, &event);
+
+		if (event.type==Expose && event.xexpose.count==0)
+		{
+		/* The window was exposed, redraw it */
+		    redraw();
+	  }
+
+    XSetForeground(display, gc, 100); // 100 is a color
+		XFillRectangle(display, win, gc, 30, 30, 200, 200);
+	}
+} /* END MAIN */
+
+/**
+Function definitions.
+*/
+
+/* window_init creates and manages a window and it's structures.*/
+void window_init()
+{
+	  unsigned long black, white;
+
+  	display=XOpenDisplay((char *)0);
+
+   	screen=DefaultScreen(display);
+
+	  black=BlackPixel(display, screen),
+
+	  white=WhitePixel(display, screen);
+
+   	win=XCreateSimpleWindow(display,DefaultRootWindow(display),
+		        50, 50, 500, 500, 5, black, white);
+
+	  XSetStandardProperties(display, win, "zeta","zeta", None, NULL, 0, NULL);
+
+    // NOTE: At minimum, we have to select the ExposureMask in order for draw
+		//  functions to produce output (draw) to the window.
+		XSelectInput(display, win, ExposureMask|ButtonPressMask|KeyPressMask);
+
+    gc=XCreateGC(display, win, 0, 0);
+
+	  XSetBackground(display, gc, white);
+
+	  XSetForeground(display, gc, black);
+
+	  XClearWindow(display, win);
+
+	  XMapRaised(display, win);
+};
+
+void close_window()
+{
+	XFreeGC(display, gc);
+
+	XDestroyWindow(display, win);
+
+	XCloseDisplay(display);
+
+};
+
+void redraw()
+{
+	XClearWindow(display, win);
+};