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File xroach.dif of Package xroach (Revision 2a9dd65e578a7c10747942dbc31a44fb)

Currently displaying revision 2a9dd65e578a7c10747942dbc31a44fb , Show latest

--- Imakefile
+++ Imakefile
@@ -1,6 +1,6 @@
 SYS_LIBRARIES = -lm
 LOCAL_LIBRARIES = $(XLIB)
-SRCS = xroach.c
-OBJS = xroach.o
+SRCS = xroach.c toon_root.c
+OBJS = xroach.o toon_root.o
 
 ComplexProgramTarget(xroach)
--- xroach.c
+++ xroach.c
@@ -55,7 +55,7 @@
 
 Display *display;
 int screen;
-Window rootWin;
+Window rootWin, clientparent;
 unsigned int display_width, display_height;
 int center_x, center_y;
 GC gc;
@@ -82,10 +82,15 @@
     int steps;
 } Roach;
 
+int minx = 10000;
+int miny = 10000;
+int maxx = 0;
+int maxy = 0;
+
 Roach *roaches;
 int maxRoaches = 10;
 int curRoaches = 0;
-float roachSpeed = 20.0;
+float roachSpeed = 1.0;
 
 Region rootVisible = NULL;
 
@@ -100,7 +105,7 @@
 Pixel AllocNamedColor();
 Window FindRootWindow();
 
-void
+int
 main(ac, av)
 int ac;
 char *av[];
@@ -118,6 +123,8 @@
     int needCalc;
     Window squishWin;
     XSetWindowAttributes xswa;
+    unsigned int toon_expose = 0;
+    unsigned int redrawIcons = 0;
     
     /*
        Process command line options.
@@ -166,7 +173,7 @@
     }
 
     screen = DefaultScreen(display);
-    rootWin = FindRootWindow();
+    rootWin = ToonGetRootWindow(display, screen, &clientparent);
     black = BlackPixel(display, screen);
     white = WhitePixel(display, screen);
 
@@ -213,7 +220,19 @@
     while (curRoaches < maxRoaches)
 	AddRoach();
     
-    XSelectInput(display, rootWin, ExposureMask | SubstructureNotifyMask);
+    if (rootWin != RootWindow(display, screen)) {
+	if (rootWin == clientparent) {
+	    XSelectInput(display, rootWin, ExposureMask | SubstructureNotifyMask
+		| StructureNotifyMask);
+	}
+	else {
+	    XSelectInput(display, rootWin, ExposureMask | StructureNotifyMask);
+	    XSelectInput(display, clientparent, ExposureMask | SubstructureNotifyMask);
+	}
+    }
+    else {
+	XSelectInput(display, clientparent, ExposureMask | SubstructureNotifyMask);
+    }
 
     if (squishRoach) {
 	xswa.event_mask = ButtonPressMask;
@@ -225,6 +244,16 @@
 	XLowerWindow(display, squishWin);
     }
     
+/* Will we redraw icons? */
+
+    {
+	XWindowAttributes attributes;
+
+	XGetWindowAttributes(display, rootWin, &attributes);
+	if (attributes.all_event_masks & ExposureMask)
+	    toon_expose = 1;
+    }
+
     needCalc = 1;
     while (!done) {
 	if (XPending(display)) {
@@ -244,6 +273,7 @@
 		    XMapWindow(display, squishWin);
 		    squishWinUp = True;
 		}
+		redrawIcons=1;
 	    }
 	    else {
 		if (squishWinUp && squishRoach) {
@@ -252,6 +282,26 @@
 		}
 		if (needCalc == 0)
 		    DrawRoaches();
+		if (toon_expose && redrawIcons
+		      && maxx > minx && maxy > miny) {
+		    XExposeEvent event;
+
+		    event.type        = Expose;
+		    event.send_event  = True;
+		    event.display     = display;
+		    event.window      = rootWin;
+		    event.x           = minx;
+		    event.y           = miny;
+		    event.width       = maxx-minx + 1;
+		    event.height      = maxy-miny + 1;
+		    XSendEvent(display, rootWin, True, Expose,
+		               (XEvent *) &event);
+		    minx = 10000;
+		    maxx = 0;
+		    miny = 10000;
+		    maxy = 0;
+		    redrawIcons = 0;
+		}
 		eventBlock = 1;
 		XNextEvent(display, &ev);
 		eventBlock = 0;
@@ -502,6 +552,14 @@
 	
 	roach->x = newX;
 	roach->y = newY;
+	if (newX < minx)
+	    minx = newX;
+	if (newX+roach->rp->width > maxx)
+	    maxx = newX+roach->rp->width;
+	if (newY < miny)
+	    miny = newY;
+	if (newY+roach->rp->height > maxy)
+	    maxy = newY+roach->rp->height;
 
 	if (roach->steps-- <= 0) {
 	    TurnRoach(roach);
@@ -608,10 +666,11 @@
     XWindowAttributes wa;
     int wx;
     XRectangle rect;
-    int winX, winY;
+    int winX, winY, x, y, toon_display_width, toon_display_height, x_offset=0, y_offset=0;
     unsigned int winHeight, winWidth;
     unsigned int borderWidth;
     unsigned int depth;
+    unsigned int width, height;
     
     /*
        If we don't grab the server, the XGetWindowAttribute or XGetGeometry
@@ -624,10 +683,19 @@
     XSetErrorHandler(RoachErrors);
 #endif
 
+    /* Check to see if rootWin has moved with respect to clientparent */
+    XGetWindowAttributes(display, rootWin, &wa);
+    toon_display_width = wa.width;
+    toon_display_height = wa.height;
+    if (rootWin != clientparent) {
+	x_offset = wa.x;
+	y_offset = wa.y;
+    }
+
     /*
        Get children of root.
     */
-    XQueryTree(display, rootWin, &dummy, &dummy, &children, &nChildren);
+    XQueryTree(display, clientparent, &dummy, &dummy, &children, &nChildren);
     
     /*
        For each mapped child, add the window rectangle to the covered
@@ -643,6 +711,19 @@
 	XGetWindowAttributes(display, children[wx], &wa);
 	if (errorVal) continue;
 	if (wa.class == InputOutput && wa.map_state == IsViewable) {
+
+	    x = wa.x - x_offset;
+	    y = wa.y - y_offset;
+	    width = wa.width + 2*wa.border_width;
+	    height = wa.height + 2*wa.border_width;
+
+	    /* Entirely offscreen? */
+	    if (x >= toon_display_width) continue;
+	    if (y >= toon_display_height) continue;
+	    if ((y + height) <= 0) continue;
+	    if ((x + width) <= 0) continue;
+	    if ((y <= 0) && ((y + height) >= toon_display_height) && (x <= 0) && ((x + width) >= toon_display_width)) continue;
+
 	    XGetGeometry(display, children[wx], &dummy, &winX, &winY,
 		&winWidth, &winHeight, &borderWidth, &depth);
 	    if (errorVal) continue;
--- xroach.man
+++ xroach.man
@@ -20,8 +20,8 @@
 Use the given string as the color for the bugs instead of the default "black".
 .TP 8
 .B \-speed \fIroach_speed\fB
-Use the given speed for the insects instead of the default 20.0. For example,
-in winter the speed should be set to 5.0. In summer, 30.0 might be about
+Use the given speed for the insects instead of the default 1.0. For example,
+in winter the speed should be set to 0.1. In summer, 2.0 might be about
 right.
 .TP 8
 .B \-roaches \fInum_roaches\fB
--- xroach.c.orig	2005-04-07 18:48:09.000000000 +0200
+++ ./xroach.c	2005-04-07 18:49:04.887000769 +0200
@@ -104,6 +104,8 @@ int CalcRootVisible();
 int MarkHiddenRoaches();
 Pixel AllocNamedColor();
 Window FindRootWindow();
+void checkSquish(XButtonEvent *buttonEvent);
+
 
 int
 main(ac, av)
@@ -121,7 +123,7 @@ char *av[];
     char *gutsColor = NULL;
     int nVis;
     int needCalc;
-    Window squishWin;
+    Window squishWin = 0;
     XSetWindowAttributes xswa;
     unsigned int toon_expose = 0;
     unsigned int redrawIcons = 0;
@@ -827,7 +829,7 @@ Pixel dfltPix;
 /*
  *	squishCheck - Check to see if we have to squish any roaches.
  */
-checkSquish(buttonEvent)
+void checkSquish(buttonEvent)
 XButtonEvent *buttonEvent;
 {
     int x, y;

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File xroach.dif of Package xroach (Revision 2a9dd65e578a7c10747942dbc31a44fb)

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