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first try at rubberband feedback

This commit is contained in:
Amy Bowersox 2019-12-11 12:46:26 -07:00
parent 0dce80f1e3
commit fee3619ee1
1 changed files with 43 additions and 0 deletions
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43
scripts/demo1.py
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@ -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: