@@ -0,0 +1,6 @@ 
+files=$(wildcard *.c)
+
+all: $(files:.c=)
+
+%: %.c
+	$(CC) $(CFLAGS) -o $@ $^ -lX11 -L/usr/X11R6/lib

@@ -0,0 +1,61 @@ 
+#include <stdio.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+int main () {
+  XSetWindowAttributes xswa;
+  unsigned long        xswamask;
+  Display   *display;
+  Window     win;
+  XEvent     report;
+  int        x=10,y=10,h=100,w=400;
+  XSizeHints size;
+
+  display = XOpenDisplay(NULL);
+
+  if (display == NULL) {
+    fprintf(stderr, "couldn't connect to X server :0\n");
+    return 0;
+  }
+
+  xswa.win_gravity = StaticGravity;
+  xswamask = CWWinGravity;
+
+  win = XCreateWindow(display, RootWindow(display, 0),
+		      x, y, w, h, 10, CopyFromParent, CopyFromParent,
+		      CopyFromParent, xswamask, &xswa);
+
+  XSetWindowBackground(display,win,WhitePixel(display,0)); 
+
+  size.flags = PAspect;
+  size.min_aspect.x = 3;
+  size.min_aspect.y = 3;
+  size.max_aspect.x = 3;
+  size.max_aspect.y = 3;
+  XSetWMNormalHints(display, win, &size);
+  
+  XMapWindow(display, win);
+  XFlush(display);
+
+  XSelectInput(display, win, ExposureMask | StructureNotifyMask);
+
+  while (1) {
+    XNextEvent(display, &report);
+
+    switch (report.type) {
+    case Expose:
+      printf("exposed\n");
+      break;
+    case ConfigureNotify:
+      x = report.xconfigure.x;
+      y = report.xconfigure.y;
+      w = report.xconfigure.width;
+      h = report.xconfigure.height;
+      printf("confignotify %i,%i-%ix%i\n",x,y,w,h);
+      break;
+    }
+
+  }
+
+  return 1;
+}

@@ -0,0 +1,82 @@ 
+#include <stdio.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+
+int main () {
+  Display   *display;
+  Window     win;
+  XEvent     report;
+  Atom       _net_fs, _net_state;
+  XEvent     msg;
+  int        x=10,y=10,h=100,w=400;
+
+  display = XOpenDisplay(NULL);
+
+  if (display == NULL) {
+    fprintf(stderr, "couldn't connect to X server :0\n");
+    return 0;
+  }
+
+  _net_state = XInternAtom(display, "_NET_WM_STATE", False);
+  _net_fs = XInternAtom(display, "_NET_WM_STATE_FULLSCREEN", False);
+
+  win = XCreateWindow(display, RootWindow(display, 0),
+		      x, y, w, h, 10, CopyFromParent, CopyFromParent,
+		      CopyFromParent, 0, NULL);
+
+  XSetWindowBackground(display,win,WhitePixel(display,0)); 
+
+  XMapWindow(display, win);
+  XFlush(display);
+  sleep(2);
+
+  msg.xclient.type = ClientMessage;
+  msg.xclient.message_type = _net_state;
+  msg.xclient.display = display;
+  msg.xclient.window = win;
+  msg.xclient.format = 32;
+  msg.xclient.data.l[0] = 2; // toggle
+  msg.xclient.data.l[1] = _net_fs;
+  msg.xclient.data.l[2] = 0l;
+  msg.xclient.data.l[3] = 0l;
+  msg.xclient.data.l[4] = 0l;
+  XSendEvent(display, RootWindow(display, 0), False,
+	     StructureNotifyMask | SubstructureNotifyMask, &msg);
+  XFlush(display);
+  sleep(2);
+
+  msg.xclient.type = ClientMessage;
+  msg.xclient.message_type = _net_state;
+  msg.xclient.display = display;
+  msg.xclient.window = win;
+  msg.xclient.format = 32;
+  msg.xclient.data.l[0] = 2; // toggle
+  msg.xclient.data.l[1] = _net_fs;
+  msg.xclient.data.l[2] = 0l;
+  msg.xclient.data.l[3] = 0l;
+  msg.xclient.data.l[4] = 0l;
+  XSendEvent(display, RootWindow(display, 0), False,
+	     StructureNotifyMask | SubstructureNotifyMask, &msg);
+
+  XSelectInput(display, win, ExposureMask | StructureNotifyMask);
+
+  while (1) {
+    XNextEvent(display, &report);
+
+    switch (report.type) {
+    case Expose:
+      printf("exposed\n");
+      break;
+    case ConfigureNotify:
+      x = report.xconfigure.x;
+      y = report.xconfigure.y;
+      w = report.xconfigure.width;
+      h = report.xconfigure.height;
+      printf("confignotify %i,%i-%ix%i\n",x,y,w,h);
+      break;
+    }
+
+  }
+
+  return 1;
+}

@@ -0,0 +1,52 @@ 
+#include <stdio.h>
+#include <X11/Xlib.h>
+
+int main () {
+  XSetWindowAttributes xswa;
+  unsigned long        xswamask;
+  Display   *display;
+  Window     win;
+  XEvent     report;
+  int        x=10,y=10,h=100,w=400;
+
+  display = XOpenDisplay(NULL);
+
+  if (display == NULL) {
+    fprintf(stderr, "couldn't connect to X server :0\n");
+    return 0;
+  }
+
+  xswa.win_gravity = StaticGravity;
+  xswamask = CWWinGravity;
+
+  win = XCreateWindow(display, RootWindow(display, 0),
+		      x, y, w, h, 10, CopyFromParent, CopyFromParent,
+		      CopyFromParent, xswamask, &xswa);
+
+  XSetWindowBackground(display,win,WhitePixel(display,0)); 
+
+  XMapWindow(display, win);
+  XFlush(display);
+
+  XSelectInput(display, win, ExposureMask | StructureNotifyMask);
+
+  while (1) {
+    XNextEvent(display, &report);
+
+    switch (report.type) {
+    case Expose:
+      printf("exposed\n");
+      break;
+    case ConfigureNotify:
+      x = report.xconfigure.x;
+      y = report.xconfigure.y;
+      w = report.xconfigure.width;
+      h = report.xconfigure.height;
+      printf("confignotify %i,%i-%ix%i\n",x,y,w,h);
+      break;
+    }
+
+  }
+
+  return 1;
+}

@@ -0,0 +1,46 @@ 
+#include <stdio.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+
+int main () {
+  Display   *display;
+  Window     parent, child;
+  XEvent     report;
+  Atom       state, modal;
+  int        x=10,y=10,h=400,w=400;
+
+  display = XOpenDisplay(NULL);
+
+  if (display == NULL) {
+    fprintf(stderr, "couldn't connect to X server :0\n");
+    return 0;
+  }
+
+  state = XInternAtom(display, "_NET_WM_STATE", True);
+  modal = XInternAtom(display, "_NET_WM_STATE_MODAL", True);
+
+  parent = XCreateWindow(display, RootWindow(display, 0),
+			 x, y, w, h, 10, CopyFromParent, CopyFromParent,
+			 CopyFromParent, 0, 0);
+  child = XCreateWindow(display, RootWindow(display, 0),
+			x, y, w/2, h/2, 10, CopyFromParent, CopyFromParent,
+			CopyFromParent, 0, 0);
+
+  XSetWindowBackground(display,parent,WhitePixel(display,0)); 
+  XSetWindowBackground(display,child,BlackPixel(display,0)); 
+
+  XSetTransientForHint(display, child, parent);
+  XChangeProperty(display, child, state, XA_ATOM, 32,
+		  PropModeReplace, (unsigned char*)&modal, 1);
+  
+  XMapWindow(display, parent);
+  XMapWindow(display, child);
+  XFlush(display);
+
+  while (1) {
+    XNextEvent(display, &report);
+  }
+
+  return 1;
+}

@@ -0,0 +1,56 @@ 
+#include <stdio.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+
+int main () {
+  Display   *display;
+  Window     parent, child;
+  XEvent     report;
+  Atom       state, modal;
+  int        x=10,y=10,h=400,w=400;
+  XEvent ce;
+
+  display = XOpenDisplay(NULL);
+
+  if (display == NULL) {
+    fprintf(stderr, "couldn't connect to X server :0\n");
+    return 0;
+  }
+
+  state = XInternAtom(display, "_NET_WM_STATE", True);
+  modal = XInternAtom(display, "_NET_WM_STATE_MODAL", True);
+
+  parent = XCreateWindow(display, RootWindow(display, 0),
+			 x, y, w, h, 10, CopyFromParent, CopyFromParent,
+			 CopyFromParent, 0, 0);
+  child = XCreateWindow(display, RootWindow(display, 0),
+			x, y, w/2, h/2, 10, CopyFromParent, CopyFromParent,
+			CopyFromParent, 0, 0);
+
+  XSetWindowBackground(display,parent,WhitePixel(display,0)); 
+  XSetWindowBackground(display,child,BlackPixel(display,0)); 
+
+  XSetTransientForHint(display, child, parent);
+  
+  XMapWindow(display, parent);
+  XMapWindow(display, child);
+  XFlush(display);
+
+  ce.xclient.type = ClientMessage;
+  ce.xclient.message_type = state;
+  ce.xclient.display = display;
+  ce.xclient.window = child;
+  ce.xclient.format = 32;
+  ce.xclient.data.l[0] = 1;
+  ce.xclient.data.l[1] = modal;
+  ce.xclient.data.l[2] = 0;
+  XSendEvent(display, RootWindow(display, DefaultScreen(display)),
+	     False, SubstructureNotifyMask | SubstructureRedirectMask, &ce);
+  
+  while (1) {
+    XNextEvent(display, &report);
+  }
+
+  return 1;
+}

@@ -0,0 +1,60 @@ 
+#include <stdio.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+
+int main () {
+  Display   *display;
+  Window     parent, child;
+  XEvent     report;
+  Atom       state, modal;
+  int        x=10,y=10,h=400,w=400;
+  XEvent ce;
+
+  display = XOpenDisplay(NULL);
+
+  if (display == NULL) {
+    fprintf(stderr, "couldn't connect to X server :0\n");
+    return 0;
+  }
+
+  state = XInternAtom(display, "_NET_WM_STATE", True);
+  modal = XInternAtom(display, "_NET_WM_STATE_MODAL", True);
+
+  parent = XCreateWindow(display, RootWindow(display, 0),
+			 x, y, w, h, 10, CopyFromParent, CopyFromParent,
+			 CopyFromParent, 0, 0);
+  child = XCreateWindow(display, RootWindow(display, 0),
+			x, y, w/2, h/2, 10, CopyFromParent, CopyFromParent,
+			CopyFromParent, 0, 0);
+
+  XSetWindowBackground(display,parent,WhitePixel(display,0)); 
+  XSetWindowBackground(display,child,BlackPixel(display,0)); 
+
+  XSetTransientForHint(display, child, parent);
+  
+  XMapWindow(display, parent);
+  XMapWindow(display, child);
+  XFlush(display);
+
+  ce.xclient.type = ClientMessage;
+  ce.xclient.message_type = state;
+  ce.xclient.display = display;
+  ce.xclient.window = child;
+  ce.xclient.format = 32;
+  ce.xclient.data.l[0] = 1;
+  ce.xclient.data.l[1] = modal;
+  ce.xclient.data.l[2] = 0;
+  XSendEvent(display, RootWindow(display, DefaultScreen(display)),
+	     False, SubstructureNotifyMask | SubstructureRedirectMask, &ce);
+
+  ce.xclient.data.l[0] = 0;
+  XSendEvent(display, RootWindow(display, DefaultScreen(display)),
+	     False, SubstructureNotifyMask | SubstructureRedirectMask, &ce);
+  
+  while (1) {
+    XNextEvent(display, &report);
+  }
+
+  return 1;
+}

@@ -0,0 +1,58 @@ 
+#include <stdio.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+int main () {
+  Display   *display;
+  Window     win;
+  XEvent     report;
+  Atom       _net_fs, _net_state;
+  XEvent     msg;
+  int        x=50,y=50,h=100,w=400;
+  XWMHints   hint;
+
+  display = XOpenDisplay(NULL);
+
+  if (display == NULL) {
+    fprintf(stderr, "couldn't connect to X server :0\n");
+    return 0;
+  }
+
+  _net_state = XInternAtom(display, "_NET_WM_STATE", False);
+  _net_fs = XInternAtom(display, "_NET_WM_STATE_FULLSCREEN", False);
+
+  win = XCreateWindow(display, RootWindow(display, 0),
+		      x, y, w, h, 10, CopyFromParent, CopyFromParent,
+		      CopyFromParent, 0, NULL);
+
+  XSetWindowBackground(display,win,WhitePixel(display,0)); 
+
+  XMapWindow(display, win);
+  XFlush(display);
+  sleep(2);
+
+  hint.flags = XUrgencyHint;
+  XSetWMHints(display, win, &hint);
+  XFlush(display);
+
+  while (1) {
+    XNextEvent(display, &report);
+
+    switch (report.type) {
+    case Expose:
+      printf("exposed\n");
+      break;
+    case ConfigureNotify:
+      x = report.xconfigure.x;
+      y = report.xconfigure.y;
+      w = report.xconfigure.width;
+      h = report.xconfigure.height;
+      printf("confignotify %i,%i-%ix%i\n",x,y,w,h);
+      break;
+    }
+
+  }
+
+  return 1;
+}