bsetroot now sets backgrounds that trans Eterms can use

ChangeLog

@@ -1,5 +1,7 @@
 Changes for 0.1.7:
 *02/01/18:
+   * Fixed bsetroot, now Eterm's, XChat's and similiar will be able to use
+     bsetroots background images. (Claes Nästén)
    * Fixed ResourceManager 
    * Changed resources to Resource<T> in class Fluxbox
    * Added Resource.hh/.cc, XrmDatabaseHelper.hh, NotCopyable.hh

util/bsetroot.cc

@@ -14,62 +14,70 @@
 #include "../src/i18n.hh"
 #include "bsetroot.hh"
 
+#include <iostream>
 
 bsetroot::bsetroot(int argc, char **argv, char *dpy_name)
-  : BaseDisplay(argv[0], dpy_name)
+  : BaseDisplay(argv[0], dpy_name) {
-{
+
 	pixmaps = (Pixmap *) 0;
 	grad = fore = back = (char *) 0;
 
 	Bool mod = False, sol = False, grd = False;
 	int mod_x = 0, mod_y = 0, i = 0;
+
 	img_ctrl = new BImageControl*[10];
 	for (; i < getNumberOfScreens(); i++) {
 		img_ctrl[i] = new BImageControl(this, getScreenInfo(i), True);
-	
 	}
 
 	for (i = 1; i < argc; i++) {
 		if (! strcmp("-help", argv[i])) {
 			usage();
+
 		} else if ((! strcmp("-fg", argv[i])) ||
 				(! strcmp("-foreground", argv[i])) ||
 				(! strcmp("-from", argv[i]))) {
-      if ((++i) >= argc) usage(1);
+			if ((++i) >= argc)
-
+				usage(1);
 			fore = argv[i];
+
 		} else if ((! strcmp("-bg", argv[i])) ||
 				(! strcmp("-background", argv[i])) ||
 				(! strcmp("-to", argv[i]))) {
-      if ((++i) >= argc) usage(1);
+			if ((++i) >= argc)
-
+				usage(1);
 			back = argv[i];
-    } else if (! strcmp("-solid", argv[i])) {
-      if ((++i) >= argc) usage(1);
 
+		} else if (! strcmp("-solid", argv[i])) {
+			if ((++i) >= argc)
+				usage(1);
       fore = argv[i];
       sol = True;
+
     } else if (! strcmp("-mod", argv[i])) {
-      if ((++i) >= argc) usage();
+      if ((++i) >= argc)
-
+				usage();
 			mod_x = atoi(argv[i]);
-
+      if ((++i) >= argc)
-      if ((++i) >= argc) usage();
+				usage();
-
 			mod_y = atoi(argv[i]);
-
+			if (mod_x < 1)
-      if (mod_x < 1) mod_x = 1;
+				mod_x = 1;
-      if (mod_y < 1) mod_y = 1;
+			if (mod_y < 1)
-
+				mod_y = 1;
 			mod = True;
+
 		} else if (! strcmp("-gradient", argv[i])) {
-      if ((++i) >= argc) usage();
+			if ((++i) >= argc)
+				usage();
 
 			grad = argv[i];
 			grd = True;
+
 		} else if (! strcmp("-display", argv[i])) {
-      // -display passed through tests ealier... we just skip it now
+			// -display passed through tests earlier... we just skip it now
 			i++;
+
 		} else
 			usage();
 	}
@@ -89,28 +97,33 @@ bsetroot::bsetroot(int argc, char **argv, char *dpy_name)
 		usage(2);
 	}
 
-  if (sol && fore) solid();
-  else if (mod && mod_x && mod_y && fore && back) modula(mod_x, mod_y);
-  else if (grd && grad && fore && back) gradient();
-  else usage();
 	display = getXDisplay();
 	num_screens = getNumberOfScreens();
+ 
+	if (sol && fore)
+		solid();
+	else if (mod && mod_x && mod_y && fore && back)
+		modula(mod_x, mod_y);
+	else if (grd && grad && fore && back)
+		gradient();
+	else
+		usage();
+
 }
 
 
 bsetroot::~bsetroot(void) {
 	XKillClient(display, AllTemporary);
 
-  if (pixmaps) {
+	if (pixmaps) { // should always be true
-    int i;
-    for (i = 0; i < num_screens; i++)
-      if (pixmaps[i] != None) {
 		XSetCloseDownMode(display, RetainTemporary);
-        break;
-      }
 
 		delete [] pixmaps;
 	}
+#ifdef DEBUG
+	else
+		cerr<<"~bsetroot: why don't we have any pixmaps?"<<endl;
+#endif // DEBUG
 
 	if (img_ctrl) {
 		int i = 0;
@@ -119,26 +132,101 @@ bsetroot::~bsetroot(void) {
 
 		delete [] img_ctrl;
 	} 
+}
+
+//------------ setRootAtoms ---------------
+// set root pixmap atoms so that apps like
+// Eterm and xchat will be able to use
+// transparent background
+//-----------------------------------------
+void bsetroot::setRootAtoms(Pixmap pixmap, int screen) {
+	Atom atom_root, atom_eroot, type;
+	unsigned char *data_root, *data_eroot;
+	int format;
+	unsigned long length, after;
+
+	atom_root = XInternAtom(display, "_XROOTMAP_ID", true);
+	atom_eroot = XInternAtom(display, "ESETROOT_PMAP_ID", true);
+
+	// doing this to clean up after old background
+	if (atom_root != None && atom_eroot != None) {
+		XGetWindowProperty(display, getScreenInfo(screen)->getRootWindow(),
+			atom_root, 0L, 1L, false, AnyPropertyType,
+			&type, &format, &length, &after, &data_root);
+
+		if (type == XA_PIXMAP) {
+    	XGetWindowProperty(display, getScreenInfo(screen)->getRootWindow(),
+				atom_eroot, 0L, 1L, False, AnyPropertyType,
+				&type, &format, &length, &after, &data_eroot);
+
+			if (data_root && data_eroot && type == XA_PIXMAP &&
+					*((Pixmap *) data_root) == *((Pixmap *) data_eroot)) {
+
+				XKillClient(display, *((Pixmap *) data_root));
+			}
+		}
+	}
+
+	atom_root = XInternAtom(display, "_XROOTPMAP_ID", false);
+	atom_eroot = XInternAtom(display, "ESETROOT_PMAP_ID", false);
+
+	if (atom_root == None || atom_eroot == None) {
+		cerr<<"couldn't create pixmap atoms, giving up!"<<endl;
+		exit(1);
+	}
+
+	// setting new background atoms
+	XChangeProperty(display, getScreenInfo(screen)->getRootWindow(),
+		atom_root, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &pixmap, 1);
+	XChangeProperty(display, getScreenInfo(screen)->getRootWindow(),
+		atom_eroot, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &pixmap, 1);
 
 }
 
-
+//-------------- solid --------------------
+// draws pixmaps with a single color 
+//-----------------------------------------
 void bsetroot::solid(void) {
   register int screen = 0;
 
+	pixmaps = new Pixmap[getNumberOfScreens()];
+
   for (; screen < getNumberOfScreens(); screen++) {
     BColor c;
+		GC gc;
+		XGCValues gcv;
 
     img_ctrl[screen]->parseColor(&c, fore);
-    if (! c.isAllocated()) c.setPixel(BlackPixel(getXDisplay(), screen));
+    if (! c.isAllocated())
+				c.setPixel(BlackPixel(getXDisplay(), screen));
+
+		gcv.foreground = c.getPixel();
+		gc = XCreateGC(getXDisplay(), getScreenInfo(screen)->getRootWindow(),
+			GCForeground , &gcv);
+
+		pixmaps[screen] = XCreatePixmap(getXDisplay(), 
+			getScreenInfo(screen)->getRootWindow(),
+			getScreenInfo(screen)->getWidth(), getScreenInfo(screen)->getHeight(),
+			getScreenInfo(screen)->getDepth());
+
+		XFillRectangle(getXDisplay(), pixmaps[screen], gc, 0, 0,
+			getScreenInfo(screen)->getWidth(), getScreenInfo(screen)->getHeight());
+
+		setRootAtoms(pixmaps[screen], screen);
+
+		XSetWindowBackgroundPixmap(getXDisplay(),
+			getScreenInfo(screen)->getRootWindow(), pixmaps[screen]);
 
-    XSetWindowBackground(getXDisplay(), getScreenInfo(screen)->getRootWindow(),
-                         c.getPixel());
     XClearWindow(getXDisplay(), getScreenInfo(screen)->getRootWindow());
+
+		XFreeGC(getXDisplay(), gc);
   }
 }
 
-
+//-------------- modula  ------------------
+// draws pixmaps with an 16x16 pattern with
+// fg and bg colors.
+//-----------------------------------------
 void bsetroot::modula(int x, int y) {
 	char data[32];
 	long pattern;
@@ -148,13 +236,14 @@ void bsetroot::modula(int x, int y) {
 	pixmaps = new Pixmap[getNumberOfScreens()];
 
 	for (pattern = 0, screen = 0; screen < getNumberOfScreens(); screen++) {
+
 		for (i = 0; i < 16; i++) {
 			pattern <<= 1;
 			if ((i % x) == 0)
 				pattern |= 0x0001;
 		}
 
-    for (i = 0; i < 16; i++)
+		for (i = 0; i < 16; i++) {
 			if ((i %  y) == 0) {
 				data[(i * 2)] = (char) 0xff;
 				data[(i * 2) + 1] = (char) 0xff;
@@ -162,22 +251,28 @@ void bsetroot::modula(int x, int y) {
 				data[(i * 2)] = pattern & 0xff;
 				data[(i * 2) + 1] = (pattern >> 8) & 0xff;
 			}
+		}
 
 		BColor f, b;
 		GC gc;
-    Pixmap bitmap;
+		Pixmap bitmap, r_bitmap;
 		XGCValues gcv;
 
-    bitmap =
+		bitmap = XCreateBitmapFromData(getXDisplay(),
-      XCreateBitmapFromData(getXDisplay(),
+			getScreenInfo(screen)->getRootWindow(), data, 16, 16);
-                            getScreenInfo(screen)->getRootWindow(), data,
+
-                            16, 16);
+		// bitmap used as tile, needs to have the same depth as background pixmap
+		r_bitmap = XCreatePixmap(getXDisplay(),
+			getScreenInfo(screen)->getRootWindow(), 16, 16,
+			getScreenInfo(screen)->getDepth());
 
 		img_ctrl[screen]->parseColor(&f, fore);
 		img_ctrl[screen]->parseColor(&b, back);
 
-    if (! f.isAllocated()) f.setPixel(WhitePixel(getXDisplay(), screen));
+		if (! f.isAllocated())
-    if (! b.isAllocated()) b.setPixel(BlackPixel(getXDisplay(), screen));
+			f.setPixel(WhitePixel(getXDisplay(), screen));
+		if (! b.isAllocated())
+			b.setPixel(BlackPixel(getXDisplay(), screen));
 
 		gcv.foreground = f.getPixel();
 		gcv.background = b.getPixel();
@@ -185,35 +280,50 @@ void bsetroot::modula(int x, int y) {
 		gc = XCreateGC(getXDisplay(), getScreenInfo(screen)->getRootWindow(),
 			GCForeground | GCBackground, &gcv);
 
-    pixmaps[screen] =
+		// copying bitmap to the one going to be used as tile
-      XCreatePixmap(getXDisplay(), getScreenInfo(screen)->getRootWindow(),
+		XCopyPlane(getXDisplay(), bitmap, r_bitmap, gc,
-                    16, 16, getScreenInfo(screen)->getDepth());
-
-    XCopyPlane(getXDisplay(), bitmap, pixmaps[screen], gc,
 			0, 0, 16, 16, 0, 0, 1l);
-    XSetWindowBackgroundPixmap(getXDisplay(),
+
+		XSetTile(getXDisplay(), gc, r_bitmap);
+		XSetFillStyle(getXDisplay(), gc, FillTiled);	
+
+		pixmaps[screen] = XCreatePixmap(getXDisplay(), 
 			getScreenInfo(screen)->getRootWindow(),
-                               pixmaps[screen]);
+			getScreenInfo(screen)->getWidth(), getScreenInfo(screen)->getHeight(),
+			getScreenInfo(screen)->getDepth());
+
+		XFillRectangle(getXDisplay(), pixmaps[screen], gc, 0, 0,
+			getScreenInfo(screen)->getWidth(), getScreenInfo(screen)->getHeight());
+
+		setRootAtoms(pixmaps[screen], screen);
+
+		XSetWindowBackgroundPixmap(getXDisplay(),
+			getScreenInfo(screen)->getRootWindow(), pixmaps[screen]);
+
 		XClearWindow(getXDisplay(), getScreenInfo(screen)->getRootWindow());
 
 		XFreeGC(getXDisplay(), gc);
 		XFreePixmap(getXDisplay(), bitmap);
-
+		XFreePixmap(getXDisplay(), r_bitmap);
-    if (! (getScreenInfo(screen)->getVisual()->c_class & 1)) {
-      XFreePixmap(getXDisplay(), pixmaps[screen]);
-      pixmaps[screen] = None;
-    }
 	}
 }
 
-
+//-------------- gradient -----------------
+// draws pixmaps with a fluxbox texure
+//-----------------------------------------
 void bsetroot::gradient(void) {
 	register int screen;
-
+	// using temporaray pixmap and then copying it to background pixmap, as it'll
+	// get crashed somewhere on the way causing apps like XChat chrashing
+	// as the pixmap has been destroyed
+	Pixmap tmp;
 	pixmaps = new Pixmap[getNumberOfScreens()];
 
 	for (screen = 0; screen < getNumberOfScreens(); screen++) {
 		BTexture texture;
+		GC gc;
+		XGCValues gcv;
+
 		img_ctrl[screen]->parseTexture(&texture, grad);
 		img_ctrl[screen]->parseColor(texture.getColor(), fore);
 		img_ctrl[screen]->parseColor(texture.getColorTo(), back);
@@ -223,35 +333,50 @@ void bsetroot::gradient(void) {
 		if (! texture.getColorTo()->isAllocated())
 			texture.getColorTo()->setPixel(BlackPixel(getXDisplay(), screen));
 
-    pixmaps[screen] =
+		tmp = img_ctrl[screen]->renderImage(getScreenInfo(screen)->getWidth(),
-      img_ctrl[screen]->renderImage(getScreenInfo(screen)->getWidth(),
+			getScreenInfo(screen)->getHeight(), &texture);
-                                    getScreenInfo(screen)->getHeight(),
+
-                                    &texture);
+		pixmaps[screen] = XCreatePixmap(getXDisplay(), 
+			getScreenInfo(screen)->getRootWindow(),
+			getScreenInfo(screen)->getWidth(), getScreenInfo(screen)->getHeight(),
+			getScreenInfo(screen)->getDepth());
+
+		gc = XCreateGC(getXDisplay(), getScreenInfo(screen)->getRootWindow(),
+			GCForeground , &gcv);
+
+		XCopyArea(getXDisplay(), tmp, pixmaps[screen], gc, 0, 0,
+			getScreenInfo(screen)->getWidth(), getScreenInfo(screen)->getHeight(),
+			0, 0);
+
+		setRootAtoms(pixmaps[screen], screen);
 
     XSetWindowBackgroundPixmap(getXDisplay(),
-                               getScreenInfo(screen)->getRootWindow(),
+			getScreenInfo(screen)->getRootWindow(), pixmaps[screen]);
-                               pixmaps[screen]);
+
 		XClearWindow(getXDisplay(), getScreenInfo(screen)->getRootWindow());
 
 		if (! (getScreenInfo(screen)->getVisual()->c_class & 1)) {
-      img_ctrl[screen]->removeImage(pixmaps[screen]);
+			img_ctrl[screen]->removeImage(tmp);
 			img_ctrl[screen]->timeout();
-      pixmaps[screen] = None;
 		}
+
+		XFreeGC(getXDisplay(), gc);
 	}
 }
 
-
+//-------------- usage --------------------
+// shows information about usage
+//-----------------------------------------
 void bsetroot::usage(int exit_code) {
 	fprintf(stderr,
-          I18n::instance()->
+		I18n::instance()->getMessage(
-	  getMessage(
 #ifdef    NLS	
 			bsetrootSet, bsetrootUsage,
 #else // !NLS
 			0, 0,
 #endif // NLS
-	             "%s 2.0 : (c) 1997-1999 Brad Hughes\n\n"
+			"%s 2.1 : (c) 2002 Claes Nasten\n"
+			"%s 2.0 : (c) 1997-2000 Brad Hughes\n\n"
 			"  -display <string>        display connection\n"
 			"  -mod <x> <y>             modula pattern\n"
 			"  -foreground, -fg <color> modula foreground color\n"
@@ -261,7 +386,7 @@ void bsetroot::usage(int exit_code) {
 			"  -to <color>              gradient end color\n\n"
 			"  -solid <color>           solid color\n\n"
 			"  -help                    print this help text and exit\n"),
-	  getApplicationName());
+			getApplicationName(), getApplicationName());
  
 	exit(exit_code);
 }
@@ -296,5 +421,5 @@ int main(int argc, char **argv) {
  
 	bsetroot app(argc, argv, display_name);
  
-  return 0;
+	return (0);
 }

util/bsetroot.hh

@@ -4,7 +4,6 @@
 #include "../src/BaseDisplay.hh"
 #include "../src/Image.hh"
 
-
 class bsetroot : public BaseDisplay {
 public:
 	bsetroot(int, char **, char * = 0);
@@ -16,6 +15,7 @@ public:
 	void modula(int, int);
 	void solid(void);
 	void usage(int = 0);
+	void setRootAtoms(Pixmap pixmap, int screen);
 
 private:
 	BImageControl **img_ctrl;