diff --git a/coordinator/startup.lua b/coordinator/startup.lua
index 5d4fec8..5a68afc 100644
--- a/coordinator/startup.lua
+++ b/coordinator/startup.lua
@@ -20,7 +20,7 @@ local sounder     = require("coordinator.sounder")
 
 local apisessions = require("coordinator.session.apisessions")
 
-local COORDINATOR_VERSION = "v0.16.0"
+local COORDINATOR_VERSION = "v0.16.1"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/graphics/element.lua b/graphics/element.lua
index ae2daee..2cf211b 100644
--- a/graphics/element.lua
+++ b/graphics/element.lua
@@ -60,7 +60,9 @@ local element = {}
 -- a base graphics element, should not be created on its own
 ---@nodiscard
 ---@param args graphics_args arguments
-function element.new(args)
+---@param child_offset_x? integer mouse event offset x
+---@param child_offset_y? integer mouse event offset y
+function element.new(args, child_offset_x, child_offset_y)
     local self = {
         id = nil,                                       ---@type element_id|nil
         elem_type = debug.getinfo(2).name,
@@ -101,8 +103,10 @@ function element.new(args)
     -------------------------
 
     -- prepare the template
+    ---@param offset_x integer x offset for mouse events
+    ---@param offset_y integer y offset for mouse events
     ---@param next_y integer next line if no y was provided
-    function protected.prepare_template(next_y)
+    function protected.prepare_template(offset_x, offset_y, next_y)
         -- get frame coordinates/size
         if args.gframe ~= nil then
             protected.frame.x = args.gframe.x
@@ -150,7 +154,11 @@ function element.new(args)
         -- record position
         self.position.x, self.position.y = protected.window.getPosition()
 
-        -- calculate bounds
+        -- shift per parent child offset
+        self.position.x = self.position.x + offset_x
+        self.position.y = self.position.y + offset_y
+
+        -- calculate mouse event bounds
         self.bounds.x1 = self.position.x
         self.bounds.x2 = self.position.x + f.w - 1
         self.bounds.y1 = self.position.y
@@ -283,7 +291,7 @@ function element.new(args)
     -- prepare the template
     if args.parent == nil then
         self.id = args.id or "__ROOT__"
-        protected.prepare_template(1)
+        protected.prepare_template(0, 0, 1)
     else
         self.id = args.parent.__add_child(args.id, protected)
     end
@@ -337,7 +345,7 @@ function element.new(args)
     ---@param child graphics_base
     ---@return integer|string key
     function public.__add_child(key, child)
-        child.prepare_template(self.next_y)
+        child.prepare_template(child_offset_x or 0, child_offset_y or 0, self.next_y)
 
         self.next_y = child.frame.y + child.frame.h
 
diff --git a/graphics/elements/rectangle.lua b/graphics/elements/rectangle.lua
index cd4b8cf..c3cff14 100644
--- a/graphics/elements/rectangle.lua
+++ b/graphics/elements/rectangle.lua
@@ -45,7 +45,7 @@ local function rectangle(args)
     end
 
     -- create new graphics element base object
-    local e = element.new(args)
+    local e = element.new(args, offset_x, offset_y)
 
     -- create content window for child elements
     e.content_window = window.create(e.window, 1 + offset_x, 1 + offset_y, e.frame.w - (2 * offset_x), e.frame.h - (2 * offset_y))
diff --git a/install_manifest.json b/install_manifest.json
index 1a6bde2..247d4f8 100644
--- a/install_manifest.json
+++ b/install_manifest.json
@@ -1 +1 @@
-{"versions": {"installer": "v1.2", "bootloader": "0.2", "comms": "2.0.0", "reactor-plc": "v1.4.5", "rtu": "v1.3.5", "supervisor": "v0.17.5", "coordinator": "v0.16.0", "pocket": "alpha-v0.4.4"}, "files": {"system": ["initenv.lua", "startup.lua"], "common": ["scada-common/crypto.lua", "scada-common/ppm.lua", "scada-common/comms.lua", "scada-common/psil.lua", "scada-common/rsio.lua", "scada-common/constants.lua", "scada-common/mqueue.lua", "scada-common/tcd.lua", "scada-common/crash.lua", "scada-common/log.lua", "scada-common/types.lua", "scada-common/util.lua"], "graphics": ["graphics/element.lua", "graphics/events.lua", "graphics/flasher.lua", "graphics/core.lua", "graphics/elements/listbox.lua", "graphics/elements/textbox.lua", "graphics/elements/displaybox.lua", "graphics/elements/pipenet.lua", "graphics/elements/rectangle.lua", "graphics/elements/div.lua", "graphics/elements/multipane.lua", "graphics/elements/tiling.lua", "graphics/elements/colormap.lua", "graphics/elements/indicators/alight.lua", "graphics/elements/indicators/icon.lua", "graphics/elements/indicators/power.lua", "graphics/elements/indicators/rad.lua", "graphics/elements/indicators/state.lua", "graphics/elements/indicators/light.lua", "graphics/elements/indicators/vbar.lua", "graphics/elements/indicators/led.lua", "graphics/elements/indicators/coremap.lua", "graphics/elements/indicators/data.lua", "graphics/elements/indicators/ledpair.lua", "graphics/elements/indicators/hbar.lua", "graphics/elements/indicators/trilight.lua", "graphics/elements/indicators/ledrgb.lua", "graphics/elements/controls/switch_button.lua", "graphics/elements/controls/spinbox_numeric.lua", "graphics/elements/controls/hazard_button.lua", "graphics/elements/controls/push_button.lua", "graphics/elements/controls/radio_button.lua", "graphics/elements/controls/multi_button.lua", "graphics/elements/controls/tabbar.lua", "graphics/elements/controls/sidebar.lua", "graphics/elements/animations/waiting.lua"], "lockbox": ["lockbox/init.lua", "lockbox/LICENSE", "lockbox/kdf/pbkdf2.lua", "lockbox/util/bit.lua", "lockbox/util/array.lua", "lockbox/util/stream.lua", "lockbox/util/queue.lua", "lockbox/digest/sha2_224.lua", "lockbox/digest/sha1.lua", "lockbox/digest/sha2_256.lua", "lockbox/cipher/aes128.lua", "lockbox/cipher/aes256.lua", "lockbox/cipher/aes192.lua", "lockbox/cipher/mode/ofb.lua", "lockbox/cipher/mode/cbc.lua", "lockbox/cipher/mode/ctr.lua", "lockbox/cipher/mode/cfb.lua", "lockbox/mac/hmac.lua", "lockbox/padding/ansix923.lua", "lockbox/padding/pkcs7.lua", "lockbox/padding/zero.lua", "lockbox/padding/isoiec7816.lua"], "reactor-plc": ["reactor-plc/renderer.lua", "reactor-plc/threads.lua", "reactor-plc/databus.lua", "reactor-plc/plc.lua", "reactor-plc/config.lua", "reactor-plc/startup.lua", "reactor-plc/panel/front_panel.lua", "reactor-plc/panel/style.lua"], "rtu": ["rtu/renderer.lua", "rtu/threads.lua", "rtu/rtu.lua", "rtu/databus.lua", "rtu/modbus.lua", "rtu/config.lua", "rtu/startup.lua", "rtu/panel/front_panel.lua", "rtu/panel/style.lua", "rtu/dev/sps_rtu.lua", "rtu/dev/envd_rtu.lua", "rtu/dev/boilerv_rtu.lua", "rtu/dev/redstone_rtu.lua", "rtu/dev/sna_rtu.lua", "rtu/dev/imatrix_rtu.lua", "rtu/dev/turbinev_rtu.lua"], "supervisor": ["supervisor/renderer.lua", "supervisor/databus.lua", "supervisor/supervisor.lua", "supervisor/unit.lua", "supervisor/config.lua", "supervisor/startup.lua", "supervisor/unitlogic.lua", "supervisor/facility.lua", "supervisor/panel/pgi.lua", "supervisor/panel/front_panel.lua", "supervisor/panel/style.lua", "supervisor/panel/components/rtu_entry.lua", "supervisor/panel/components/pdg_entry.lua", "supervisor/session/coordinator.lua", "supervisor/session/svqtypes.lua", "supervisor/session/pocket.lua", "supervisor/session/svsessions.lua", "supervisor/session/rtu.lua", "supervisor/session/plc.lua", "supervisor/session/rsctl.lua", "supervisor/session/rtu/boilerv.lua", "supervisor/session/rtu/txnctrl.lua", "supervisor/session/rtu/unit_session.lua", "supervisor/session/rtu/turbinev.lua", "supervisor/session/rtu/envd.lua", "supervisor/session/rtu/imatrix.lua", "supervisor/session/rtu/sps.lua", "supervisor/session/rtu/qtypes.lua", "supervisor/session/rtu/sna.lua", "supervisor/session/rtu/redstone.lua"], "coordinator": ["coordinator/coordinator.lua", "coordinator/renderer.lua", "coordinator/iocontrol.lua", "coordinator/sounder.lua", "coordinator/config.lua", "coordinator/startup.lua", "coordinator/process.lua", "coordinator/ui/dialog.lua", "coordinator/ui/style.lua", "coordinator/ui/layout/main_view.lua", "coordinator/ui/layout/unit_view.lua", "coordinator/ui/components/reactor.lua", "coordinator/ui/components/processctl.lua", "coordinator/ui/components/unit_overview.lua", "coordinator/ui/components/boiler.lua", "coordinator/ui/components/unit_detail.lua", "coordinator/ui/components/imatrix.lua", "coordinator/ui/components/turbine.lua", "coordinator/session/pocket.lua", "coordinator/session/apisessions.lua"], "pocket": ["pocket/pocket.lua", "pocket/renderer.lua", "pocket/config.lua", "pocket/coreio.lua", "pocket/startup.lua", "pocket/ui/main.lua", "pocket/ui/style.lua", "pocket/ui/components/conn_waiting.lua", "pocket/ui/pages/turbine_page.lua", "pocket/ui/pages/reactor_page.lua", "pocket/ui/pages/home_page.lua", "pocket/ui/pages/unit_page.lua", "pocket/ui/pages/boiler_page.lua"]}, "depends": {"reactor-plc": ["system", "common", "graphics"], "rtu": ["system", "common", "graphics"], "supervisor": ["system", "common"], "coordinator": ["system", "common", "graphics"], "pocket": ["system", "common", "graphics"]}, "sizes": {"manifest": 5769, "system": 1991, "common": 92736, "graphics": 144028, "lockbox": 100797, "reactor-plc": 97335, "rtu": 102240, "supervisor": 315402, "coordinator": 197991, "pocket": 37581}}
\ No newline at end of file
+{"versions": {"installer": "v1.2", "bootloader": "0.2", "comms": "2.0.0", "reactor-plc": "v1.4.6", "rtu": "v1.3.6", "supervisor": "v0.17.6", "coordinator": "v0.16.1", "pocket": "alpha-v0.4.5"}, "files": {"system": ["initenv.lua", "startup.lua"], "common": ["scada-common/crypto.lua", "scada-common/ppm.lua", "scada-common/comms.lua", "scada-common/psil.lua", "scada-common/rsio.lua", "scada-common/constants.lua", "scada-common/mqueue.lua", "scada-common/tcd.lua", "scada-common/crash.lua", "scada-common/log.lua", "scada-common/types.lua", "scada-common/util.lua"], "graphics": ["graphics/element.lua", "graphics/events.lua", "graphics/flasher.lua", "graphics/core.lua", "graphics/elements/listbox.lua", "graphics/elements/textbox.lua", "graphics/elements/displaybox.lua", "graphics/elements/pipenet.lua", "graphics/elements/rectangle.lua", "graphics/elements/div.lua", "graphics/elements/multipane.lua", "graphics/elements/tiling.lua", "graphics/elements/colormap.lua", "graphics/elements/indicators/alight.lua", "graphics/elements/indicators/icon.lua", "graphics/elements/indicators/power.lua", "graphics/elements/indicators/rad.lua", "graphics/elements/indicators/state.lua", "graphics/elements/indicators/light.lua", "graphics/elements/indicators/vbar.lua", "graphics/elements/indicators/led.lua", "graphics/elements/indicators/coremap.lua", "graphics/elements/indicators/data.lua", "graphics/elements/indicators/ledpair.lua", "graphics/elements/indicators/hbar.lua", "graphics/elements/indicators/trilight.lua", "graphics/elements/indicators/ledrgb.lua", "graphics/elements/controls/switch_button.lua", "graphics/elements/controls/spinbox_numeric.lua", "graphics/elements/controls/hazard_button.lua", "graphics/elements/controls/push_button.lua", "graphics/elements/controls/radio_button.lua", "graphics/elements/controls/multi_button.lua", "graphics/elements/controls/tabbar.lua", "graphics/elements/controls/sidebar.lua", "graphics/elements/animations/waiting.lua"], "lockbox": ["lockbox/init.lua", "lockbox/LICENSE", "lockbox/kdf/pbkdf2.lua", "lockbox/util/bit.lua", "lockbox/util/array.lua", "lockbox/util/stream.lua", "lockbox/util/queue.lua", "lockbox/digest/sha2_224.lua", "lockbox/digest/sha1.lua", "lockbox/digest/sha2_256.lua", "lockbox/cipher/aes128.lua", "lockbox/cipher/aes256.lua", "lockbox/cipher/aes192.lua", "lockbox/cipher/mode/ofb.lua", "lockbox/cipher/mode/cbc.lua", "lockbox/cipher/mode/ctr.lua", "lockbox/cipher/mode/cfb.lua", "lockbox/mac/hmac.lua", "lockbox/padding/ansix923.lua", "lockbox/padding/pkcs7.lua", "lockbox/padding/zero.lua", "lockbox/padding/isoiec7816.lua"], "reactor-plc": ["reactor-plc/renderer.lua", "reactor-plc/threads.lua", "reactor-plc/databus.lua", "reactor-plc/plc.lua", "reactor-plc/config.lua", "reactor-plc/startup.lua", "reactor-plc/panel/front_panel.lua", "reactor-plc/panel/style.lua"], "rtu": ["rtu/renderer.lua", "rtu/threads.lua", "rtu/rtu.lua", "rtu/databus.lua", "rtu/modbus.lua", "rtu/config.lua", "rtu/startup.lua", "rtu/panel/front_panel.lua", "rtu/panel/style.lua", "rtu/dev/sps_rtu.lua", "rtu/dev/envd_rtu.lua", "rtu/dev/boilerv_rtu.lua", "rtu/dev/redstone_rtu.lua", "rtu/dev/sna_rtu.lua", "rtu/dev/imatrix_rtu.lua", "rtu/dev/turbinev_rtu.lua"], "supervisor": ["supervisor/renderer.lua", "supervisor/databus.lua", "supervisor/supervisor.lua", "supervisor/unit.lua", "supervisor/config.lua", "supervisor/startup.lua", "supervisor/unitlogic.lua", "supervisor/facility.lua", "supervisor/panel/pgi.lua", "supervisor/panel/front_panel.lua", "supervisor/panel/style.lua", "supervisor/panel/components/rtu_entry.lua", "supervisor/panel/components/pdg_entry.lua", "supervisor/session/coordinator.lua", "supervisor/session/svqtypes.lua", "supervisor/session/pocket.lua", "supervisor/session/svsessions.lua", "supervisor/session/rtu.lua", "supervisor/session/plc.lua", "supervisor/session/rsctl.lua", "supervisor/session/rtu/boilerv.lua", "supervisor/session/rtu/txnctrl.lua", "supervisor/session/rtu/unit_session.lua", "supervisor/session/rtu/turbinev.lua", "supervisor/session/rtu/envd.lua", "supervisor/session/rtu/imatrix.lua", "supervisor/session/rtu/sps.lua", "supervisor/session/rtu/qtypes.lua", "supervisor/session/rtu/sna.lua", "supervisor/session/rtu/redstone.lua"], "coordinator": ["coordinator/coordinator.lua", "coordinator/renderer.lua", "coordinator/iocontrol.lua", "coordinator/sounder.lua", "coordinator/config.lua", "coordinator/startup.lua", "coordinator/process.lua", "coordinator/ui/dialog.lua", "coordinator/ui/style.lua", "coordinator/ui/layout/main_view.lua", "coordinator/ui/layout/unit_view.lua", "coordinator/ui/components/reactor.lua", "coordinator/ui/components/processctl.lua", "coordinator/ui/components/unit_overview.lua", "coordinator/ui/components/boiler.lua", "coordinator/ui/components/unit_detail.lua", "coordinator/ui/components/imatrix.lua", "coordinator/ui/components/turbine.lua", "coordinator/session/pocket.lua", "coordinator/session/apisessions.lua"], "pocket": ["pocket/pocket.lua", "pocket/renderer.lua", "pocket/config.lua", "pocket/coreio.lua", "pocket/startup.lua", "pocket/ui/main.lua", "pocket/ui/style.lua", "pocket/ui/components/conn_waiting.lua", "pocket/ui/pages/turbine_page.lua", "pocket/ui/pages/reactor_page.lua", "pocket/ui/pages/home_page.lua", "pocket/ui/pages/unit_page.lua", "pocket/ui/pages/boiler_page.lua"]}, "depends": {"reactor-plc": ["system", "common", "graphics"], "rtu": ["system", "common", "graphics"], "supervisor": ["system", "common"], "coordinator": ["system", "common", "graphics"], "pocket": ["system", "common", "graphics"]}, "sizes": {"manifest": 5769, "system": 1991, "common": 92736, "graphics": 144544, "lockbox": 100797, "reactor-plc": 97335, "rtu": 102240, "supervisor": 315402, "coordinator": 197991, "pocket": 37581}}
\ No newline at end of file
diff --git a/pocket/startup.lua b/pocket/startup.lua
index 0683af6..7afd208 100644
--- a/pocket/startup.lua
+++ b/pocket/startup.lua
@@ -17,7 +17,7 @@ local coreio   = require("pocket.coreio")
 local pocket   = require("pocket.pocket")
 local renderer = require("pocket.renderer")
 
-local POCKET_VERSION = "alpha-v0.4.4"
+local POCKET_VERSION = "alpha-v0.4.5"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/reactor-plc/startup.lua b/reactor-plc/startup.lua
index 227bd27..76185e9 100644
--- a/reactor-plc/startup.lua
+++ b/reactor-plc/startup.lua
@@ -18,7 +18,7 @@ local plc      = require("reactor-plc.plc")
 local renderer = require("reactor-plc.renderer")
 local threads  = require("reactor-plc.threads")
 
-local R_PLC_VERSION = "v1.4.5"
+local R_PLC_VERSION = "v1.4.6"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/rtu/startup.lua b/rtu/startup.lua
index 05b131b..769e4d7 100644
--- a/rtu/startup.lua
+++ b/rtu/startup.lua
@@ -28,7 +28,7 @@ local sna_rtu      = require("rtu.dev.sna_rtu")
 local sps_rtu      = require("rtu.dev.sps_rtu")
 local turbinev_rtu = require("rtu.dev.turbinev_rtu")
 
-local RTU_VERSION = "v1.3.5"
+local RTU_VERSION = "v1.3.6"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local RTU_UNIT_HW_STATE = databus.RTU_UNIT_HW_STATE
diff --git a/supervisor/startup.lua b/supervisor/startup.lua
index 687ede1..a1c05e1 100644
--- a/supervisor/startup.lua
+++ b/supervisor/startup.lua
@@ -20,7 +20,7 @@ local supervisor = require("supervisor.supervisor")
 
 local svsessions = require("supervisor.session.svsessions")
 
-local SUPERVISOR_VERSION = "v0.17.5"
+local SUPERVISOR_VERSION = "v0.17.6"
 
 local println = util.println
 local println_ts = util.println_ts