diff --git a/examples/basic/periodic.c b/examples/basic/periodic.c
index 06a115b..5b65265 100644
--- a/examples/basic/periodic.c
+++ b/examples/basic/periodic.c
@@ -7,6 +7,7 @@
 #define PaddingContent 2
 
 MwWidget window, menu, table;
+MwWidget wcal, wclock;
 MwMenu	 e;
 
 static void MWAPI resize(MwWidget handle, void* user, void* call) {
@@ -21,6 +22,24 @@ static void MWAPI resize(MwWidget handle, void* user, void* call) {
 		  NULL);
 }
 
+static void MWAPI tick(MwWidget handle, void* user, void* call) {
+	time_t	  t  = time(NULL);
+	struct tm tm = *localtime(&t);
+
+	MwVaApply(wcal,
+		  MwNyear, (int)tm.tm_year + 1900,
+		  MwNmonth, (int)tm.tm_mon,
+		  MwNdate, (int)tm.tm_mday,
+		  MwNday, (int)tm.tm_wday,
+		  NULL);
+
+	MwVaApply(wclock,
+		  MwNhour, (int)tm.tm_hour,
+		  MwNminute, (int)tm.tm_min,
+		  MwNsecond, (int)tm.tm_sec,
+		  NULL);
+}
+
 static void MWAPI resize_content(MwWidget handle, void* user, void* call) {
 	MwWidget* ws = MwGetChildren(handle);
 	if(ws != NULL) {
@@ -241,17 +260,15 @@ int main() {
 		}
 	}
 
-	f = frame("Calendar", -PaddingContent, -PaddingContent, MwCalendarClass,
-		  MwNscale, 1,
-		  NULL);
+	f    = frame("Calendar", -PaddingContent, -PaddingContent, MwCalendarClass,
+		     MwNscale, 1,
+		     NULL);
+	wcal = child(f);
 
-	f = frame("Clock", -PaddingContent, -PaddingContent, MwClockClass,
-		  MwNhour, 15,
-		  MwNminute, 0,
-		  MwNsecond, 10,
-		  NULL);
+	f      = frame("Clock", -PaddingContent, -PaddingContent, MwClockClass, NULL);
+	wclock = child(f);
 
-	f = frame("Chart", -PaddingContent, -PaddingContent, MwCalendarClass,
+	f = frame("Chart", -PaddingContent, -PaddingContent, MwChartClass,
 		  NULL);
 
 	f = frame("ComboBox", -PaddingContent, 24, MwComboBoxClass, NULL);
@@ -321,7 +338,9 @@ int main() {
 			 NULL);
 
 	MwAddUserHandler(window, MwNresizeHandler, resize, NULL);
+	MwAddUserHandler(window, MwNtickHandler, tick, NULL);
 
+	tick(window, NULL, NULL);
 	resize(window, NULL, NULL);
 
 	MwVaApply(table,
diff --git a/include/Mw/Milsko.h b/include/Mw/Milsko.h
index 7997bb6..abdc073 100644
--- a/include/Mw/Milsko.h
+++ b/include/Mw/Milsko.h
@@ -36,6 +36,7 @@
 #include <Mw/Widget/Box.h>
 #include <Mw/Widget/Button.h>
 #include <Mw/Widget/Calendar.h>
+#include <Mw/Widget/Chart.h>
 #include <Mw/Widget/CheckBox.h>
 #include <Mw/Widget/Clock.h>
 #include <Mw/Widget/ComboBox.h>
diff --git a/include/Mw/Widget/Chart.h b/include/Mw/Widget/Chart.h
new file mode 100644
index 0000000..6ab404b
--- /dev/null
+++ b/include/Mw/Widget/Chart.h
@@ -0,0 +1,24 @@
+/*!
+ * @file Mw/Widget/Chart.h
+ * @brief Chart widget
+ */
+#ifndef __MW_WIDGET_CHART_H__
+#define __MW_WIDGET_CHART_H__
+
+#include <Mw/MachDep.h>
+#include <Mw/TypeDefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*!
+ * @brief Chart widget class
+ */
+MWDECL MwClass MwChartClass;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/backend/gdi.c b/src/backend/gdi.c
index eace1d3..660a0fc 100644
--- a/src/backend/gdi.c
+++ b/src/backend/gdi.c
@@ -1000,11 +1000,11 @@ static void MwLLMakeToolWindowImpl(MwLL handle) {
 	RECT   rc;
 	int    w, h;
 
+	GetClientRect(handle->gdi.hWnd, &rc);
+
 	SetWindowLongPtr(handle->gdi.hWnd, GWL_STYLE, (LPARAM)lp);
 	SetWindowLongPtr(handle->gdi.hWnd, GWL_EXSTYLE, (LPARAM)WS_EX_TOOLWINDOW);
 
-	GetClientRect(handle->gdi.hWnd, &rc);
-
 	w = rc.right - rc.left;
 	h = rc.bottom - rc.top;
 
diff --git a/src/backend/wayland/wayland.c b/src/backend/wayland/wayland.c
index 2b5fce9..3c2d9bd 100644
--- a/src/backend/wayland/wayland.c
+++ b/src/backend/wayland/wayland.c
@@ -1984,7 +1984,7 @@ static int MwLLWaylandCallInitImpl(void) {
 
 #ifdef MW_OPENGL
 	if(getenv("WSLENV") || getenv("WSL_DISTRO_NAME")) {
-		loadWayland = 1;
+		loadWayland = 0;
 	}
 #endif
 
diff --git a/src/core.c b/src/core.c
index 21b16ea..481fa34 100644
--- a/src/core.c
+++ b/src/core.c
@@ -5,7 +5,7 @@
 #ifdef USE_COCOA
 #define PERIODIC
 #endif
-//#define USE_CLASSIC_THEME
+// #define USE_CLASSIC_THEME
 #define RESIZE_ON_TICK
 
 #define DRAW(handle) \
diff --git a/src/widget/chart.c b/src/widget/chart.c
index e69de29..46f248e 100644
--- a/src/widget/chart.c
+++ b/src/widget/chart.c
@@ -0,0 +1,45 @@
+#include <Mw/Milsko.h>
+
+static int wcreate(MwWidget handle) {
+	return 0;
+}
+
+static void draw(MwWidget handle) {
+	MwLLColor base = MwParseColor(handle, MwGetText(handle, MwNbackground));
+	MwRect	  r;
+
+	r.x	 = 0;
+	r.y	 = 0;
+	r.width	 = MwGetInteger(handle, MwNwidth);
+	r.height = MwGetInteger(handle, MwNheight);
+	MwDrawRect(handle, &r, base);
+
+	MwLLFreeColor(base);
+}
+
+static void prop_change(MwWidget handle, const char* key) {
+	if(strcmp(key, MwNhour) == 0 || strcmp(key, MwNminute) == 0 || strcmp(key, MwNsecond) == 0) MwForceRender(handle);
+}
+
+MwClassRec MwChartClassRec = {
+    wcreate,	 /* create */
+    NULL,	 /* destroy */
+    draw,	 /* draw */
+    NULL,	 /* click */
+    NULL,	 /* parent_resize */
+    prop_change, /* prop_change */
+    NULL,	 /* mouse_move */
+    NULL,	 /* mouse_up */
+    NULL,	 /* mouse_down */
+    NULL,	 /* key */
+    NULL,	 /* execute */
+    NULL,	 /* tick */
+    NULL,	 /* resize */
+    NULL,	 /* children_update */
+    NULL,	 /* children_prop_change */
+    NULL,	 /* clipboard */
+    NULL,	 /* props_change */
+    NULL,
+    NULL,
+    NULL};
+MwClass MwChartClass = &MwChartClassRec;