/usr/share/pyshared/freevo/gui/LetterBoxGroup.py is in python-freevo 1.9.2b2-4.2.
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# -----------------------------------------------------------------------
# a class that combines LetterBox's so the user can input words.
# -----------------------------------------------------------------------
# $Id: LetterBoxGroup.py 11286 2009-02-01 12:41:36Z duncan $
#
# Notes:
# Todo:
#
# -----------------------------------------------------------------------
# Freevo - A Home Theater PC framework
# Copyright (C) 2003 Krister Lagerstrom, et al.
# Please see the file freevo/Docs/CREDITS for a complete list of authors.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MER-
# CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# -----------------------------------------------------------------------
import config
import copy
from GUIObject import Align
from Container import Container
from LayoutManagers import LayoutManager
from Button import Button
from Border import Border
from event import *
class LetterBoxGroup(Container):
"""
x x coordinate. Integer
y y coordinate. Integer
width Integer
height Integer
text String to print.
handler Function to call when ENTER is hit
bg_color Background color (Color)
fg_color Foreground color (Color)
border Border
bd_color Border color (Color)
bd_width Border width Integer
"""
def __init__(self, numboxes=7, text=None, handler=None, type=None,
x=None, y=None, width=None, height=None, bg_color=None,
fg_color=None, selected_bg_color=None, selected_fg_color=None,
border=None, bd_color=None, bd_width=None):
Container.__init__(self, 'widget', x, y, width, height, bg_color,
fg_color, selected_bg_color, selected_fg_color,
border, bd_color, bd_width)
self.h_margin = 5
self.v_margin = 0
self.h_spacing = 0
self.v_spacing = 0
self.text = text
self.type = type
self.boxes = []
self.set_layout(LetterBoxLayout(self))
bw = 0
for c in ('M', 'A', 'm', 'W'):
bw = max(bw, self.content_layout.types['button'].font.stringsize(c),
self.content_layout.types['button selected'].font.stringsize(c))
bw += 2
l = 0
h = 0
for i in range(numboxes or 60):
lb = LetterBox(width=bw)
if self.type != 'password':
if self.text and len(self.text) > i:
lb.set_text(self.text[i], fix_case=False)
else:
lb.set_text(' ')
l = l + lb.width
h = max(lb.height, h)
self.add_child(lb)
if self.boxes:
lb.upper_case = False
self.boxes.append(lb)
self.width = min(self.width, l + self.bd_width + 2 * self.h_margin)
self.height = h
self.set_h_align(Align.CENTER)
self.last_key = None
if self.type != 'password' and self.text and len(self.text) < len(self.boxes):
self.boxes[len(self.text)].toggle_selected()
else:
self.boxes[0].toggle_selected()
def get_selected_box(self):
for box in self.boxes:
if box.selected == 1:
return box
def change_selected_box(self, dir='right', allow_roundtrip=False):
boxNow = self.boxes.index(self.get_selected_box())
boxNext = boxNow
if dir == 'right':
if boxNow < len(self.boxes)-1:
boxNext = boxNow + 1
if self.boxes[boxNow].text == ' ':
self.boxes[boxNext].upper_case = True
if not self.boxes[boxNext].visible and allow_roundtrip:
boxNext = 0
elif allow_roundtrip:
boxNext = 0
else:
if boxNow > 0:
boxNext = boxNow - 1
elif allow_roundtrip:
for x in range(len(self.boxes)):
if self.boxes[x].visible:
boxNext = x
if self.boxes[boxNext].visible and boxNext != boxNow:
self.boxes[boxNow].toggle_selected()
self.boxes[boxNext].toggle_selected()
def get_word(self):
word = ''
for box in self.boxes:
if box.visible:
if hasattr(box, 'real_text'):
word += box.real_text
else:
word = word + box.get_text()
return word.rstrip()
def set_word(self, text):
for i in range(min(len(self.boxes), len(text))):
self.boxes[i].set_text(text[i], fix_case=False)
def _draw(self):
"""
The actual internal draw function.
"""
rect = self.content_layout.types['button'].rectangle
self.surface = self.get_surface()
self.osd.drawroundbox(0, 0, self.width, self.height, rect.bgcolor, 0, rect.color,
0, self.surface)
Container._draw(self)
def eventhandler(self, event):
"""
Handle basic events for this widget. Returns True when the event
was used and a redraw is needed.
"""
if self.type == 'password':
if event == INPUT_LEFT or event == INPUT_UP:
the_box = self.get_selected_box()
if self.boxes.index(the_box) != 0:
self.change_selected_box('left')
the_box = self.get_selected_box()
the_box.set_text(' ')
the_box.real_text = ''
return True
if event in INPUT_ALL_NUMBERS:
the_box = self.get_selected_box()
the_box.real_text = str(event.arg)
the_box.set_text('*')
if self.boxes.index(the_box) != len(self.boxes)-1:
self.change_selected_box('right')
return True
else:
if event == INPUT_LEFT:
self.change_selected_box('left', allow_roundtrip=True)
self.last_key = None
return True
if event == INPUT_RIGHT:
self.change_selected_box('right', allow_roundtrip=True)
self.last_key = None
return True
if event == INPUT_UP:
self.get_selected_box().charUp()
self.last_key = None
return True
if event == INPUT_DOWN:
self.get_selected_box().charDown()
self.last_key = None
return True
if event in INPUT_ALL_NUMBERS:
if self.last_key and self.last_key != event:
self.change_selected_box('right')
self.last_key = event
self.get_selected_box().cycle_phone_char(event.arg)
return True
if event == BUTTON:
# direct key input (I hope)
self.get_selected_box().set_text(event.arg, fix_case=False)
self.change_selected_box('right')
return True
return False
class LetterBox(Button):
"""
x x coordinate. Integer
y y coordinate. Integer
width Integer
height Integer
text Letter to hold.
bg_color Background color (Color)
fg_color Foreground color (Color)
"""
ourChars = [ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
'Y', 'Z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
'-', '.', ' ' ]
phoneChars = ([ " ", "-", ".", "0" ],
[ "1", ],
[ "A", "B", "C", "2" ],
[ "D", "E", "F", "3" ],
[ "G", "H", "I", "4" ],
[ "J", "K", "L", "5" ],
[ "M", "N", "O", "6" ],
[ "P", "Q", "R", "S", "7" ],
[ "T", "U", "V", "8"],
[ "W", "X", "Y", "Z" ,"9"])
def __init__(self, text=' ', x=None, y=None, width=35, height=35,
bg_color=None, fg_color=None, selected_bg_color=None,
selected_fg_color=None):
self.upper_case = True
self.max_width = width
Button.__init__(self, text, None, x, y, width, height, bg_color,
fg_color, selected_bg_color, selected_fg_color, border=None)
self.h_margin = 0
self.v_margin = 0
self.h_spacing = 0
self.v_spacing = 0
self.set_v_align(Align.BOTTOM)
self.set_h_align(Align.CENTER)
self.label.set_v_align(Align.CENTER)
self.label.set_h_align(Align.CENTER)
for c in copy.copy(self.children):
if isinstance(c, Border):
self.children.remove(c)
self.border = -1
def draw(self):
if self.left + self.max_width <= self.parent.width - self.parent.bd_width - \
2 * self.parent.h_margin:
self.visible = True
else:
self.visible = False
Button.draw(self)
def set_text(self, text, fix_case=True):
if fix_case:
if self.upper_case:
text = text.upper()
else:
text = text.lower()
Button.set_text(self, text)
self.label.set_v_align(Align.CENTER)
self.label.set_h_align(Align.CENTER)
if self.label.font:
self.label.width = self.max_width
self.width = self.label.get_rendered_size()[0] or self.max_width
self.width += 4
def charUp(self):
try:
charNow = self.ourChars.index(self.text.upper())
if charNow < len(self.ourChars)-1:
charNext = charNow + 1
else:
charNext = 0
except:
charNext = 0
self.set_text(self.ourChars[charNext])
def charDown(self):
try:
charNow = self.ourChars.index(self.text.upper())
if charNow > 0:
charNext = charNow - 1
else:
charNext = len(self.ourChars)-1
except:
charNext = 0
self.set_text(self.ourChars[charNext])
def cycle_phone_char(self, number):
letters = self.phoneChars[number]
if not self.text.upper() in letters:
self.set_text(letters[0])
else:
i = letters.index(self.text.upper())
if i < len(letters)-1:
i = i + 1
else:
i = 0
self.upper_case = not self.upper_case
self.set_text(letters[i])
class LetterBoxLayout(LayoutManager):
def __init__(self, container):
self.container = container
def layout(self):
y = 0
l = self.container.h_margin
for box in self.container.boxes:
x = l
l = l + box.width
box.set_position(x, y)
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