def help(self):
"""Show a help window and wait for a key or a mouse press."""
margin_x = margin_y = 64
padding_x = padding_y = 8
fgcolor = self.HELP_FGCOLOR
bgcolor = self.HELP_BGCOLOR
helpmsg = self.HELP_MSG
width = self.width - 2 * margin_x
height = self.height - 2 * margin_y
lines = rendertext(helpmsg, self.font, fgcolor, width - 2 * padding_x,
height - 2 * padding_y)
block = pygame.Surface((width, height), SWSURFACE | SRCALPHA)
block.fill(bgcolor)
sx = padding_x
sy = padding_y
for img in lines:
w, h = img.get_size()
block.blit(img, (sx, sy))
sy += h
block.set_alpha(int(255 * self.HELP_ALPHA))
self.screen.blit(block, (margin_x, margin_y))
pygame.display.flip()
while True:
wait_for_events()
e = EventQueue.pop(0)
if e.type in (MOUSEBUTTONDOWN, KEYDOWN, QUIT):
break
if e.type == QUIT:
EventQueue.insert(0, e) # re-insert a QUIT
self.must_redraw = True
def help(self):
"""Show a help window and wait for a key or a mouse press."""
margin_x = margin_y = 64
padding_x = padding_y = 8
fgcolor = self.HELP_FGCOLOR
bgcolor = self.HELP_BGCOLOR
helpmsg = self.HELP_MSG
width = self.width - 2*margin_x
height = self.height - 2*margin_y
lines = rendertext(helpmsg, self.font, fgcolor, width - 2*padding_x,
height - 2*padding_y)
block = pygame.Surface((width, height), SWSURFACE | SRCALPHA)
block.fill(bgcolor)
sx = padding_x
sy = padding_y
for img in lines:
w, h = img.get_size()
block.blit(img, (sx, sy))
sy += h
block.set_alpha(int(255 * self.HELP_ALPHA))
self.screen.blit(block, (margin_x, margin_y))
pygame.display.flip()
while True:
wait_for_events()
e = EventQueue.pop(0)
if e.type in (MOUSEBUTTONDOWN, KEYDOWN, QUIT):
break
if e.type == QUIT:
EventQueue.insert(0, e) # re-insert a QUIT
self.must_redraw = True
def input(self, prompt):
"""Ask the user to input something.
Returns the string that the user entered, or None if the user pressed
Esc.
"""
def draw(text):
margin_x = margin_y = 0
padding_x = padding_y = 8
fgcolor = self.INPUT_FGCOLOR
bgcolor = self.INPUT_BGCOLOR
width = self.width - 2*margin_x
lines = renderline(text, self.font, fgcolor, width - 2*padding_x)
height = totalheight(lines) + 2 * padding_y
block = pygame.Surface((width, height), SWSURFACE | SRCALPHA)
block.fill(bgcolor)
sx = padding_x
sy = padding_y
for img in lines:
w, h = img.get_size()
block.blit(img, (sx, sy))
sy += h
block.set_alpha(int(255 * self.INPUT_ALPHA))
# This can be slow. It would be better to take a screenshot
# and use it as the background.
self.viewer.render()
if self.statusbarinfo:
self.drawstatusbar()
self.screen.blit(block, (margin_x, margin_y))
pygame.display.flip()
draw(prompt)
text = ""
self.must_redraw = True
while True:
wait_for_events()
old_text = text
events = EventQueue[:]
del EventQueue[:]
for e in events:
if e.type == QUIT:
EventQueue.insert(0, e) # re-insert a QUIT
return None
elif e.type == KEYDOWN:
if e.key == K_ESCAPE:
return None
elif e.key == K_RETURN:
return text.encode('latin-1') # XXX do better
elif e.key == K_BACKSPACE:
text = text[:-1]
elif e.unicode and ord(e.unicode) >= ord(' '):
text += e.unicode
if text != old_text:
draw(prompt + text)
def input(self, prompt):
"""Ask the user to input something.
Returns the string that the user entered, or None if the user pressed
Esc.
"""
def draw(text):
margin_x = margin_y = 0
padding_x = padding_y = 8
fgcolor = self.INPUT_FGCOLOR
bgcolor = self.INPUT_BGCOLOR
width = self.width - 2 * margin_x
lines = renderline(text, self.font, fgcolor, width - 2 * padding_x)
height = totalheight(lines) + 2 * padding_y
block = pygame.Surface((width, height), SWSURFACE | SRCALPHA)
block.fill(bgcolor)
sx = padding_x
sy = padding_y
for img in lines:
w, h = img.get_size()
block.blit(img, (sx, sy))
sy += h
block.set_alpha(int(255 * self.INPUT_ALPHA))
# This can be slow. It would be better to take a screenshot
# and use it as the background.
self.viewer.render()
if self.statusbarinfo:
self.drawstatusbar()
self.screen.blit(block, (margin_x, margin_y))
pygame.display.flip()
draw(prompt)
text = ""
self.must_redraw = True
while True:
wait_for_events()
old_text = text
events = EventQueue[:]
del EventQueue[:]
for e in events:
if e.type == QUIT:
EventQueue.insert(0, e) # re-insert a QUIT
return None
elif e.type == KEYDOWN:
if e.key == K_ESCAPE:
return None
elif e.key == K_RETURN:
return forcestr(text) # return encoded unicode
elif e.key == K_BACKSPACE:
text = text[:-1]
elif e.unicode and ord(e.unicode) >= ord(' '):
text += e.unicode
if text != old_text:
draw(prompt + text)