scripts/demo1.py

@@ -23,8 +23,45 @@ def point_in_rect(rect, x, y):
 	return (x >= rect[0]) and (x < rect[2]) and (y >= rect[1]) and (y < rect[3])
 
 
+
+# --- Graphic feedback --
+
+origin_x = 0
+origin_y = 0
+current_x = 0
+current_y = 0
+
+def rubberband_rectangle(x, y, down, up)
+	hdc.text_color = YELLOW
+	hdc.rop2 = upiwin.R2_XORPEN
+	if not down:
+		hdc.rectangle(min(origin_x, current_x), min(origin_y, current_y), max(origin_x, current_x), max(origin_y, current_y))
+	current_x = x;
+	current_y = y;
+	if not up:
+		hdc.rectangle(min(origin_x, current_x), min(origin_y, current_y), max(origin_x, current_x), max(origin_y, current_y))
+
+
+
+
+
+
 # --- Message handlers ---
 
+def on_touchdown(x, y):
+	if point_in_rect(drawing_rect, x, y):
+		origin_x = x;
+		origin_y = y;
+		rubberband_rectangle(x, y, True, False)
+		
+def on_touchmove(x, y):
+	if point_in_rect(drawing_rect, x, y):
+		rubberband_rectangle(x, y, False, False)
+		
+def on_touchup(x, y):
+	if point_in_rect(drawing_rect, x, y):
+		rubberband_rectangle(x, y, False, True)
+
 def on_touchclick(x, y):
 	print("Click at {0},{1}".format(x, y))
 	if point_in_rect(cmd1_rect, x, y):
@@ -52,6 +89,12 @@ hdc.rectangle(cmd4_rect[0], cmd4_rect[1], cmd4_rect[2], cmd4_rect[3])
 # Main message loop
 msg = {}
 while upiwin.get_message(msg):
+	if msg['message'] == upiwin.WM_TOUCHDOWN:
+		on_touchdown(msg['attrs'][0], msg['attrs'][1])
+	if msg['message'] == upiwin.WM_TOUCHMOVE:
+		on_touchmove(msg['attrs'][0], msg['attrs'][1])
+	if msg['message'] == upiwin.WM_TOUCHUP:
+		on_touchup(msg['attrs'][0], msg['attrs'][1])
 	if msg['message'] == upiwin.WM_TOUCHCLICK:
 		on_touchclick(msg['attrs'][0], msg['attrs'][1])
 	elif msg['message'] == upiwin.WM_HWBUTTONCLICK: