Index: trunk/src/gui_act.c
===================================================================
--- trunk/src/gui_act.c	(revision 684)
+++ trunk/src/gui_act.c	(revision 685)
@@ -64,10 +64,10 @@
 	return rnd_actionv_bin(RND_ACT_DESIGN, "rnd_zoom", res, argc, argv);
 }
 
-#define get_layer(ly, idx) \
+#define get_layer(ly, idx, actname) \
 	if ((argv[1].type & FGW_STR) == FGW_STR) { \
 		const char *targets = NULL; \
-		RND_ACT_MAY_CONVARG(1, FGW_STR, RotateLayer, targets = argv[1].val.str); \
+		RND_ACT_MAY_CONVARG(1, FGW_STR, actname, targets = argv[1].val.str); \
 		if ((targets[0] == '@') && (targets[1] == '\0')) { \
 			idx = camv->lysel; \
 			if ((idx < 0) || (idx >= camv->layers.used)) { \
@@ -77,10 +77,10 @@
 			} \
 		} \
 		else \
-			RND_ACT_MAY_CONVARG(1, FGW_INT, RotateLayer, idx = argv[1].val.nat_int); \
+			RND_ACT_MAY_CONVARG(1, FGW_INT, actname, idx = argv[1].val.nat_int); \
 	} \
 	else \
-		RND_ACT_MAY_CONVARG(1, FGW_INT, RotateLayer, idx = argv[1].val.nat_int); \
+		RND_ACT_MAY_CONVARG(1, FGW_INT, actname, idx = argv[1].val.nat_int); \
 	\
 	if ((idx < 0) || (idx >= camv->layers.used)) { \
 		rnd_message(RND_MSG_ERROR, "No such layer\n"); \
@@ -92,7 +92,7 @@
 
 
 static const char camv_acts_RotateLayer[] = "RotateLayer(@|idx, deg)";
-static const char camv_acth_RotateLayer[] = "Rotates the layer addressed (@ for current) by deg degrees CCW";
+static const char camv_acth_RotateLayer[] = "Rotates the layer addressed (@ for current) by deg degrees CCW. (The transformation is added to the current transformation matrix of the layer.)";
 static fgw_error_t camv_act_RotateLayer(fgw_arg_t *res, int argc, fgw_arg_t *argv)
 {
 	rnd_design_t *hl = RND_ACT_DESIGN;
@@ -101,7 +101,7 @@
 	camv_layer_t *ly;
 	int idx;
 
-	get_layer(ly, idx);
+	get_layer(ly, idx, RotateLayer);
 
 	RND_ACT_MAY_CONVARG(2, FGW_DOUBLE, RotateLayer, deg = argv[2].val.nat_double);
 
@@ -112,10 +112,33 @@
 	return FGW_SUCCESS;
 }
 
+static const char camv_acts_TranslateLayer[] = "TranslateLayer(@|idx, dx, dy)";
+static const char camv_acth_TranslateLayer[] = "Translates (moves) the layer addressed (@ for current) by dx and dy. (The transformation is added to the current transformation matrix of the layer.)";
+static fgw_error_t camv_act_TranslateLayer(fgw_arg_t *res, int argc, fgw_arg_t *argv)
+{
+	rnd_design_t *hl = RND_ACT_DESIGN;
+	camv_design_t *camv = (camv_design_t *)hl;
+	rnd_coord_t dx, dy;
+	camv_layer_t *ly;
+	int idx;
+
+	get_layer(ly, idx, TranslateLayer);
+
+	RND_ACT_MAY_CONVARG(2, FGW_COORD_, TranslateLayer, dx = fgw_coord(&argv[2]));
+	RND_ACT_MAY_CONVARG(3, FGW_COORD_, TranslateLayer, dy = fgw_coord(&argv[3]));
+
+	rnd_xform_mx_translate(ly->mx, dx, dy);
+	ly->enable_mx = 1;
+
+	RND_ACT_IRES(0);
+	return FGW_SUCCESS;
+}
+
 static rnd_action_t gui_action_list[] = {
 	{"Quit", camv_act_Quit, camv_acth_Quit, camv_acts_Quit},
 	{"Zoom", camv_act_Zoom, camv_acth_Zoom, camv_acts_Zoom},
-	{"RotateLayer", camv_act_RotateLayer, camv_acth_RotateLayer, camv_acts_RotateLayer}
+	{"RotateLayer", camv_act_RotateLayer, camv_acth_RotateLayer, camv_acts_RotateLayer},
+	{"TranslateLayer", camv_act_TranslateLayer, camv_acth_TranslateLayer, camv_acts_TranslateLayer}
 };
 
 void gui_act_init(void)