moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 257 insertions, 0 deletions

diff --git a/src/wm-tester/test-resizing.c b/src/wm-tester/test-resizing.c
new file mode 100644
index 00000000..f9481004
--- /dev/null
+++ b/src/wm-tester/test-resizing.c
@@ -0,0 +1,257 @@
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <stdlib.h>
+#include <glib.h>
+
+static void
+calc_rects (XRectangle *rects, int width, int height)
+{
+  int w = (width - 21) / 3;
+  int h = (height - 21) / 3;
+  int i;
+
+  i = 0;
+  while (i < 9)
+    {
+      rects[i].width = w;
+      rects[i].height = h;
+      ++i;
+    }
+  
+  /* NW */
+  rects[0].x = 0;
+  rects[0].y = 0;
+
+  /* N */
+  rects[1].x = width / 2 - w / 2;
+  rects[1].y = 0;
+
+  /* NE */
+  rects[2].x = width - w;
+  rects[2].y = 0;
+
+  /* E */
+  rects[3].x = width - w;
+  rects[3].y = height / 2 - h / 2;
+
+  /* SE */
+  rects[4].x = width - w;
+  rects[4].y = height - h;
+
+  /* S */
+  rects[5].x = width / 2 - w / 2;
+  rects[5].y = height - h;
+
+  /* SW */
+  rects[6].x = 0;
+  rects[6].y = height - h;
+
+  /* W */
+  rects[7].x = 0;
+  rects[7].y = height / 2 - h / 2;
+
+  /* Center */
+  rects[8].x = width / 2 - w / 2;
+  rects[8].y = height / 2 - h / 2;
+}
+
+static Bool
+all_events (Display  *display,
+            XEvent   *event,
+            XPointer  arg)
+{
+  return True;
+}
+
+static void
+get_size (Display *d, Drawable draw,
+          int *xp, int *yp, int *widthp, int *heightp)
+{
+  int x, y;
+  unsigned int width=0, height=0, border=0, depth=0;
+  Window root;
+  
+  XGetGeometry (d, draw, &root, &x, &y, &width, &height, &border, &depth);
+
+  if (xp)
+    *xp = x;
+  if (yp)
+    *yp = y;
+  if (widthp)
+    *widthp = width;
+  if (*heightp)
+    *heightp = height;
+}
+
+int
+main (int argc, char **argv)
+{
+  Display *d;
+  Window w, cw;
+  XSizeHints hints;
+  int screen;
+  XEvent ev;
+  int x, y, width, height;
+  Pixmap pix;
+  GC gc;  
+  XGCValues gc_vals;
+  XSetWindowAttributes set_attrs;
+  XWindowChanges changes;
+  XRectangle rects[9];
+  gboolean redraw_pending;
+  unsigned int mask;
+  
+  d = XOpenDisplay (NULL);
+
+  screen = DefaultScreen (d);
+
+  /* Print some debug spew to show how StaticGravity works */     
+  w = XCreateSimpleWindow (d, RootWindow (d, screen), 
+                           0, 0, 100, 100, 0,
+                           WhitePixel (d, screen),
+                           WhitePixel (d, screen));
+  cw = XCreateSimpleWindow (d, w,
+                            0, 0, 100, 100, 0,
+                            WhitePixel (d, screen),
+                            WhitePixel (d, screen));
+  set_attrs.win_gravity = StaticGravity;
+      
+  XChangeWindowAttributes (d, cw,
+                           CWWinGravity,
+                           &set_attrs);
+  
+  get_size (d, w, &x, &y, &width, &height);
+  
+  g_print ("Parent is %d,%d  %d x %d before configuring parent\n",
+           x, y, width, height);
+  
+  get_size (d, cw, &x, &y, &width, &height);
+
+  g_print ("Child is %d,%d  %d x %d before configuring parent\n",
+           x, y, width, height);
+  
+  changes.x = 10;
+  changes.y = 10;
+  changes.width = 110;
+  changes.height = 110;
+  /* last mask wins */
+  mask = CWX | CWY;
+  mask = CWWidth | CWHeight;
+  mask = CWX | CWY | CWWidth | CWHeight;
+  
+  XConfigureWindow (d, w, mask, &changes);
+  XSync (d, False);
+
+  get_size (d, w, &x, &y, &width, &height);
+
+  g_print ("Parent is %d,%d  %d x %d after configuring parent\n",
+           x, y, width, height);
+  
+  get_size (d, cw, &x, &y, &width, &height);
+
+  g_print ("Child is %d,%d  %d x %d after configuring parent\n",
+           x, y, width, height);  
+
+  XDestroyWindow (d, w);
+  
+  /* The window that gets displayed */
+  
+  x = 20;
+  y = 20;
+  width = 100;
+  height = 100;
+
+  calc_rects (rects, width, height);
+  
+  w = XCreateSimpleWindow (d, RootWindow (d, screen), 
+                           x, y, width, height, 0,
+                           WhitePixel (d, screen),
+                           WhitePixel (d, screen));
+  
+  set_attrs.bit_gravity = StaticGravity;
+      
+  XChangeWindowAttributes (d, w,
+                           CWBitGravity,
+                           &set_attrs);
+  
+  XSelectInput (d, w,
+                ButtonPressMask | ExposureMask | StructureNotifyMask);
+  
+  hints.flags = PMinSize;
+  
+  hints.min_width = 100;
+  hints.min_height = 100;
+  
+  XSetWMNormalHints (d, w, &hints);
+  XMapWindow (d, w);
+
+  redraw_pending = FALSE;
+  while (1)
+    {
+      XNextEvent (d, &ev);
+      
+      switch (ev.xany.type)
+        {
+        case ButtonPress:
+          if (ev.xbutton.button == 3)
+            {
+              g_print ("Exiting on button 3 press\n");
+              exit (0);
+            }
+          break;
+
+        case ConfigureNotify:
+          x = ev.xconfigure.x;
+          y = ev.xconfigure.y;
+          width = ev.xconfigure.width;
+          height = ev.xconfigure.height;
+
+          redraw_pending = TRUE;
+          break;
+          
+        case Expose:
+          redraw_pending = TRUE;
+          break;
+          
+        default:
+          break;
+        }
+
+      /* Primitive event compression */
+      if (XCheckIfEvent (d, &ev, all_events, NULL))
+        {
+          XPutBackEvent (d, &ev);
+        }
+      else if (redraw_pending)
+        {
+          calc_rects (rects, width, height);
+          
+          pix = XCreatePixmap (d, w, width, height,
+                               DefaultDepth (d, screen));
+          
+          gc_vals.foreground = WhitePixel (d, screen);
+          
+          gc = XCreateGC (d, pix, GCForeground, &gc_vals);
+          
+          XFillRectangle (d, pix, gc, 0, 0, width, height);
+              
+          /* Draw rectangles at each gravity point */
+          gc_vals.foreground = BlackPixel (d, screen);
+          XChangeGC (d, gc, GCForeground, &gc_vals);
+          
+          XFillRectangles (d, pix, gc, rects, G_N_ELEMENTS (rects));
+          
+          XCopyArea (d, pix, w, gc, 0, 0, width, height, 0, 0);
+          
+          XFreePixmap (d, pix);
+          XFreeGC (d, gc);
+
+          redraw_pending = FALSE;
+        }
+    }
+
+  /* This program has an infinite loop above so a return statement would
+   * just cause compiler warnings.
+   */
+}
+