def crop(self, *args):
if args and isinstance(args[0], Rect):
return _terminal.crop(
args[0].origin.x, args[0].origin.y,
args[0].size.width, args[0].size.height)
else:
return _terminal.crop(*args)
def test_formatted_log():
dragging_scrollbar = False
dragging_scrollbar_offset = 0
blt.set("window: title='Omni: message log', resizeable=true, minimum-size=20x8; font: default")
blt.set("input: filter='keyboard, mouse+', precise-mouse=true")
if blt.set("runic font: ../Media/Tigrex3drunes_16x16_437.PNG, size=16x16, codepage=437, spacing=2x1, transparent=auto"):
alternative_fonts.append("runic")
if blt.set("stone font: ../Media/Aesomatica_16x16_437.png, size=16x16, codepage=437, spacing=2x1, transparent=#FF00FF"):
alternative_fonts.append("stone")
if blt.set("curvy font: ../Media/Cheepicus_16x16_437.png, size=16x16, codepage=437, spacing=2x1, transparent=auto"):
alternative_fonts.append("curvy")
prompt = \
"Use arrow keys or mouse wheel to scroll the list up and down. " \
"Try to resize the window.\n\n--- --- ---"
messages.append(prompt)
# Add a dozen of random messages
for i in range(10):
messages.append(generate_random_message())
# Initial update
frame.update_geometry(
padding_left,
padding_top,
blt.state(blt.TK_WIDTH) - (padding_left + padding_right + 1),
blt.state(blt.TK_HEIGHT) - (padding_top + padding_bottom))
while True:
blt.clear()
frame.draw()
blt.color("white")
blt.layer(1)
current_line = 0
for text, height in messages:
if current_line + height >= frame.offset:
# stop when message is below frame
if current_line - frame.offset > frame.height: break
# drawing message
blt.puts(padding_left, padding_top + current_line - frame.offset, text, frame.width)
current_line += height + 1
blt.crop(padding_left, padding_top, frame.width, frame.height)
# Render
blt.refresh()
key = blt.read()
if key in (blt.TK_CLOSE, blt.TK_ESCAPE):
break
elif key == blt.TK_UP:
frame.scroll(-1)
elif key == blt.TK_DOWN:
frame.scroll(1)
elif key == blt.TK_MOUSE_SCROLL:
# Mouse wheel scroll
frame.scroll(mouse_scroll_step * blt.state(blt.TK_MOUSE_WHEEL))
elif key == blt.TK_MOUSE_LEFT and blt.state(blt.TK_MOUSE_X) == frame.scrollbar_column:
py = blt.state(blt.TK_MOUSE_PIXEL_Y)
if frame.scrollbar_offset <= py <= frame.scrollbar_offset + frame.scrollbar_height * blt.state(blt.TK_CELL_HEIGHT):
# Clicked on the scrollbar handle: start dragging
dragging_scrollbar = True
dragging_scrollbar_offset = py - frame.scrollbar_offset
else:
# Clicked outside of the handle: jump to position
frame.scroll_to_pixel(blt.state(blt.TK_MOUSE_PIXEL_Y) - frame.scrollbar_height * blt.state(blt.TK_CELL_HEIGHT) // 2)
elif key == blt.TK_MOUSE_LEFT | blt.TK_KEY_RELEASED :
dragging_scrollbar = False
elif key == blt.TK_MOUSE_MOVE:
if dragging_scrollbar:
frame.scroll_to_pixel(blt.state(blt.TK_MOUSE_PIXEL_Y) - dragging_scrollbar_offset)
while blt.peek() == blt.TK_MOUSE_MOVE:
blt.read()
elif key == blt.TK_RESIZED:
frame.update_geometry(
padding_left,
padding_top,
blt.state(blt.TK_WIDTH) - (padding_left + padding_right + 1),
blt.state(blt.TK_HEIGHT) - (padding_top + padding_bottom))
blt.set("window: resizeable=false")
blt.set("runic font: none; stone font: none; curvy font: none")
blt.set("input.precise-mouse=false;")
def render(self):
terminal.layer(self.layer)
terminal.crop(self.x, self.y, self.w, self.h)
def show_msg_history(message_log, name, viewport_w, viewport_h):
messages = MessageList()
frame = FrameWithScrollbar(messages)
message_log.reverse()
for message in message_log:
messages.append(message.msg)
# Initial update
frame.update_geometry(padding_left + 1, padding_top,
viewport_w + 5 - (padding_left + padding_right),
viewport_h - (padding_top + padding_bottom))
prompt = \
"Message history: \n"
if name == "Inventory":
prompt = \
"Inventory: \n"
while True:
frame.draw()
blt.color("white")
blt.layer(0)
w = viewport_w
h = viewport_h
i = 0
while i < 5:
blt.layer(i)
blt.clear_area(1, 1, w, h)
i += 1
current_line = 0
blt.puts(padding_left, padding_top - frame.offset, prompt, frame.width)
for text, height in messages:
if current_line + height >= frame.offset:
# stop when message is below frame
if current_line - frame.offset > frame.height:
break
# drawing message
blt.puts(padding_left,
padding_top + current_line - frame.offset + 5, text,
frame.width)
current_line += height + 1
blt.crop(padding_left, padding_top, frame.width, frame.height)
# Render
blt.refresh()
key = blt.read()
if key in (blt.TK_CLOSE, blt.TK_ESCAPE, blt.TK_M):
blt.clear()
break
elif key == blt.TK_I and name == "Inventory":
blt.clear()
break
elif key == blt.TK_UP:
frame.scroll(-1)
elif key == blt.TK_DOWN:
frame.scroll(1)
elif key == blt.TK_RESIZED:
frame.update_geometry(
padding_left, padding_top,
blt.state(blt.TK_WIDTH) - (padding_left + padding_right + 1),
blt.state(blt.TK_HEIGHT) - (padding_top + padding_bottom))