def __init__(self, **kwargs):
kwargs.setdefault('size', MTVKeyboard.DEFAULT_SIZE)
kwargs.setdefault('pos', MTVKeyboard.DEFAULT_POS)
kwargs.setdefault('layout', None)
kwargs.setdefault('time_lazy_update', .2)
kwargs.setdefault('repeat', 1 / 15.)
kwargs.setdefault('repeat_timeout', .2)
self._old_scale = 0
super(MTVKeyboard, self).__init__(**kwargs)
self.register_event_type('on_key_down')
self.register_event_type('on_key_up')
self.register_event_type('on_text_change')
self.time_lazy_update = kwargs.get('time_lazy_update')
self.layout = kwargs.get('layout')
self.container_width, self.container_height = self.size
self.repeat = kwargs.get('repeat')
self.repeat_timeout = kwargs.get('repeat_timeout')
# read default layout in configuration
if self.layout is None:
idlayout = pymt.pymt_config.get('keyboard', 'layout')
# search layout
for layout in MTVKeyboard.available_layout:
if layout.ID == idlayout:
self.layout = layout()
break
# no layout found ?
if self.layout is None:
pymt.pymt_logger.warning('Vkeyboard: Keyboard layout <%s> not found, fallback on QWERTY' % idlayout)
self.layout = KeyboardLayoutQWERTY()
self._mode = 'NORMAL'
self._cache = {}
self._current_cache = None
self._last_update = 0
self._last_update_scale = 1.
self._need_update = 'now'
self._internal_text = u''
self._show_layout = False
self._active_keys = []
self._used_label = []
self._last_key_down = []
self._last_key_repeat = 0
self._last_key_repeat_timeout = 0
# prepare layout widget
mtop, mright, mbottom, mleft = self.style['margin']
self._layout_widget = MTKineticList(
title=None, searchable=False, deletable=False,
size=(self.width - mleft - mright, self.height),
pos=(mleft, 0), style={'bg-color': (.0, .0, .0, .7)},
visible=False)
for layout in MTVKeyboard.available_layout:
item = MTKineticItem(label=layout.TITLE + ' - ' + layout.DESCRIPTION,
style={'font-size':14}, size=(self.width - mleft - mright, 40))
item.push_handlers(on_press=curry(self.on_layout_change, layout))
self._layout_widget.add_widget(item)
self.add_widget(self._layout_widget)
class MTVKeyboard(MTScatterWidget):
'''
MTVKeyboard is an onscreen keyboard with multitouch support.
Its layout is entirely customizable and you can switch between available
layouts using a button in the bottom right of the widget.
:Parameters:
`layout` : KeyboardLayout object, default to None
If None, keyboard layout will be created from configuration
property.
`time_lazy_update` : float, default to 0.2
Time in seconds to force a lazy update when keyboard size changes
`repeat` : float, default to 0.2
Key repeat rate. 1/15. will repeat the last key 5 times per seconds
`repeat_timeout` : float, default to 0.2
Will start to repeat the key after 200ms
:Events:
`on_key_down` : key
Fired when a key is down.
The key contains: displayed_str, internal_str, internal_action, width
`on_key_up` : key
Fired when a key is up.
The key contains: displayed_str, internal_str, internal_action, width
`on_text_change` : text
Fired when the internal text is changed
List of internal actions available :
* backspace
* capslock
* enter
* escape
* layout (to display layout list)
* shift
* shift_L
* shift_R
'''
available_layout = []
DEFAULT_SIZE = (700, 200)
DEFAULT_POS = (0, 0)
def __init__(self, **kwargs):
kwargs.setdefault('size', MTVKeyboard.DEFAULT_SIZE)
kwargs.setdefault('pos', MTVKeyboard.DEFAULT_POS)
kwargs.setdefault('layout', None)
kwargs.setdefault('time_lazy_update', .2)
kwargs.setdefault('repeat', 1 / 15.)
kwargs.setdefault('repeat_timeout', .2)
self._old_scale = 0
super(MTVKeyboard, self).__init__(**kwargs)
self.register_event_type('on_key_down')
self.register_event_type('on_key_up')
self.register_event_type('on_text_change')
self.time_lazy_update = kwargs.get('time_lazy_update')
self.layout = kwargs.get('layout')
self.container_width, self.container_height = self.size
self.repeat = kwargs.get('repeat')
self.repeat_timeout = kwargs.get('repeat_timeout')
# read default layout in configuration
if self.layout is None:
idlayout = pymt.pymt_config.get('keyboard', 'layout')
# search layout
for layout in MTVKeyboard.available_layout:
if layout.ID == idlayout:
self.layout = layout()
break
# no layout found ?
if self.layout is None:
pymt.pymt_logger.warning('Vkeyboard: Keyboard layout <%s> not found, fallback on QWERTY' % idlayout)
self.layout = KeyboardLayoutQWERTY()
self._mode = 'NORMAL'
self._cache = {}
self._current_cache = None
self._last_update = 0
self._last_update_scale = 1.
self._need_update = 'now'
self._internal_text = u''
self._show_layout = False
self._active_keys = []
self._used_label = []
self._last_key_down = []
self._last_key_repeat = 0
self._last_key_repeat_timeout = 0
# prepare layout widget
mtop, mright, mbottom, mleft = self.style['margin']
self._layout_widget = MTKineticList(
title=None, searchable=False, deletable=False,
size=(self.width - mleft - mright, self.height),
pos=(mleft, 0), style={'bg-color': (.0, .0, .0, .7)},
visible=False)
for layout in MTVKeyboard.available_layout:
item = MTKineticItem(label=layout.TITLE + ' - ' + layout.DESCRIPTION,
style={'font-size':14}, size=(self.width - mleft - mright, 40))
item.push_handlers(on_press=curry(self.on_layout_change, layout))
self._layout_widget.add_widget(item)
self.add_widget(self._layout_widget)
def on_text_change(self, *largs):
pass
#
# Static methods
#
@staticmethod
def add_custom_layout(layout_class):
'''Add a custom layout class on MTVKeyboard'''
if not layout_class in MTVKeyboard.available_layout:
# Append layout in class
MTVKeyboard.available_layout.append(layout_class)
if layout_class.FONT_FILENAME != None:
# Load custom font
try:
# XXX FIXME
#font.add_file(layout_class.FONT_FILENAME)
pass
except:
pymt.pymt_logger.exception('Vkeyboard: Unable to load custom font')
#
# Keyboard properties
#
def _get_text(self):
return self._internal_text
def _set_text(self, value):
if value != self._internal_text:
self._internal_text = value
self.dispatch_event('on_text_change', value)
text = property(_get_text, _set_text,
doc='''Get/set text string on vkeyboard''')
def _get_mode(self):
return self._mode
def _set_mode(self, value):
if value != self._mode:
self._need_update = 'now'
self._mode = value
mode = property(_get_mode, _set_mode,
doc='''Get/set mode of vkeyboard (NORMAL, SHIFT...)''')
#
# Public methods
#
def clear(self):
'''Clear the text'''
self.text = u''
#
# Private methods
#
def _lazy_update(self):
self.container_width = int(self.width * self.scale)
self.container_height = int(self.height * self.scale)
self._need_update = 'lazy'
self._last_update = getClock().get_time()
def _update(self):
dt = getClock().get_time() - self._last_update
if self._need_update is None:
return
if self._need_update == 'now' or (self._need_update == 'lazy' and dt >
self.time_lazy_update):
# create layout mode if not in cache
layoutmode = '%s:%s' % (self.layout.ID, self.mode)
if not layoutmode in self._cache:
self._cache[layoutmode] = {'background': GlDisplayList(),
'keys': GlDisplayList(),
'usedlabel': []}
self._current_cache = self._cache[layoutmode]
# do real update
self._do_update(mode='background')
self._do_update(mode='keys')
# don't update too fast next time (if it's lazy)
self._last_update = getClock().get_time()
self._last_update_scale = self.scale
self._need_update = None
def _do_update(self, mode=None):
# we absolutly want mode to update displaylist.
if mode not in ('background', 'keys'):
return
# don't update background if it's already compiled
if mode == 'background' and self._current_cache['background'].is_compiled():
return
# calculate margin
s = self.scale
w, h = self.container_width, self.container_height
if mode == 'background':
s = 1.
w, h = self.size
mtop, mright, mbottom, mleft = map(lambda x: x * s, self.style['margin'])
self.texsize = Vector(w - mleft - mright,
h - mtop - mbottom)
kx, ky = self.layout.SIZE
self.keysize = Vector(self.texsize.x / kx, self.texsize.y / ky)
m = 3 * s
x, y = 0, self.texsize.y - self.keysize.y
# update display list
self._current_cache['usedlabel'] = []
with self._current_cache[mode]:
# draw lines
for index in xrange(1, ky + 1):
line = self.layout.__getattribute__('%s_%d' % (self.mode, index))
# draw keys
for key in line:
displayed_str, internal_str, internal_action, scale = key
kw = self.keysize.x * scale
# don't display empty keys
if displayed_str is not None:
set_color(*self.style['key-color'])
if mode == 'background':
if internal_action is not None:
set_color(*self.style['syskey-color'])
drawCSSRectangle(
pos=(x+m, y+m),
size=(kw-m*2, self.keysize.y-m*2),
style=self.style, prefix='key')
elif mode == 'keys':
font_size = int(14 * s)
if font_size < 8:
font_size = 8
color = self.style['color']
if internal_action is not None:
color = self.style['color-syskey']
drawLabel(label=displayed_str,
pos=(x + kw / 2., y + self.keysize.y / 2.),
font_size=font_size, bold=False,
font_name=self.style.get('font-name'),
color=color)
self._current_cache['usedlabel'].append(getLastLabel())
# advance X
x += kw
# advance Y
y -= self.keysize.y
x = 0
# update completed
self._need_update = None
#
# Rewrite some handle to update the widget (drawing and scalling)
#
def on_resize(self, w, h):
self._lazy_update()
def on_transform(self, *largs):
# to lazy update only if scale change
if self._old_scale != self.scale:
self._old_scale = self.scale
self._lazy_update()
def on_layout_change(self, layout, *largs):
self._layout_widget.visible = False
self.layout = layout()
self._need_update = 'now'
def on_update(self):
super(MTVKeyboard, self).on_update()
self._update()
if not len(self._last_key_down):
return
self._last_key_repeat_timeout -= getFrameDt()
if self._last_key_repeat_timeout < 0:
self._last_key_repeat -= getFrameDt()
if self._last_key_repeat > 0:
return
self._last_key_repeat = self.repeat
key = self._last_key_down[-1]
self.dispatch_event('on_key_down', key, True)
self.dispatch_event('on_key_up', key, True)
def draw(self):
# background
set_color(*self.style['bg-color'])
drawCSSRectangle(size=self.size, style=self.style)
# content dynamic update
with gx_matrix:
glTranslatef(self.style['margin'][3], self.style['margin'][2], 0)
# draw precalculated background
self._current_cache['background'].draw()
# draw active keys layer
# +2 and -4 result of hard margin coded in _do_update (m = 3 * s)
# we substract 1 cause of border (draw-border is activated.)
set_color(*self.style['color-down'])
for key, size in self._active_keys:
x, y, w, h = size
drawCSSRectangle(pos=(x+2, y+2), size=(w-4, h-4),
style=self.style, prefix='key', state='down')
# search the good scale for current precalculated keys layer
if self._last_update_scale == self.scale:
s = 1. / self.scale# / self._last_update_scale
glScalef(s, s, s)
else:
s = 1. / self._last_update_scale
glScalef(s, s, s)
self._current_cache['keys'].draw()
def get_key_at_pos(self, x, y):
'''Return the key + size info on the current layout, at the coordinate (x, y)'''
mtop, mright, mbottom, mleft = self.style['margin']
w, h = self.width - mleft - mright, self.height - mtop - mbottom
kx, ky = self.layout.SIZE
keysize = Vector(w / kx, h / ky)
if x < mleft or x > self.width - mright or \
y < mbottom or y > self.height - mtop:
return None
index = ky-int((y - mbottom) /
(self.height - mtop - mbottom)
* ky)
line = self.layout.__getattribute__('%s_%d' % (self.mode, index))
x -= mleft
kx = 0
for key in line:
kw = keysize.x * key[3]
if x >= kx and x < kx + kw:
h = (self.height - mtop - mbottom) / ky
return (key, (kx, h * (ky-index), kw, h))
kx += kw
return None
def on_key_down(self, key, repeat=False):
if repeat is False:
self._last_key_down.append(key)
self._last_key_repeat_timeout = self.repeat_timeout
self._last_key_repeat = self.repeat
displayed_str, internal_str, internal_action, scale = key
if internal_action is None:
if internal_str is not None:
self.text += internal_str
elif internal_action in ('capslock'):
if self.mode == 'NORMAL':
self.mode = 'SHIFT'
else:
self.mode = 'NORMAL'
self._need_update = 'now'
return
elif internal_action in ('shift', 'shift_L', 'shift_R'):
if self.mode == 'NORMAL':
self.mode = 'SHIFT'
else:
self.mode = 'NORMAL'
self._need_update = 'now'
return
elif internal_action in ('layout'):
self._layout_widget.visible = True
elif internal_action in ('backspace'):
self.text = self.text[:-1]
def on_key_up(self, key, repeat=False):
if key in self._last_key_down and repeat is False:
self._last_key_down.remove(key)
displayed_str, internal_str, internal_action, scale = key
if internal_action is None:
pass
elif internal_action in ('shift', 'shift_L', 'shift_R'):
if self.mode == 'NORMAL':
self.mode = 'SHIFT'
else:
self.mode = 'NORMAL'
self._need_update = 'now'
return
def on_touch_down(self, touch):
if not self._layout_widget.visible:
x, y = self.to_local(touch.x, touch.y)
keyinfo = self.get_key_at_pos(x, y)
if keyinfo is not None:
key, size = keyinfo
if key not in self._active_keys:
touch.userdata['vkeyboard_key'] = keyinfo
self._active_keys.append(keyinfo)
self.dispatch_event('on_key_down', key)
return True
return super(MTVKeyboard, self).on_touch_down(touch)
def on_touch_up(self, touch):
if 'vkeyboard_key' in touch.userdata:
keyinfo = touch.userdata['vkeyboard_key']
key, size = keyinfo
if keyinfo in self._active_keys:
self._active_keys.remove(keyinfo)
self.dispatch_event('on_key_up', key)
return True
return super(MTVKeyboard, self).on_touch_up(touch)
def __init__(self, **kwargs):
kwargs.setdefault('size', MTVKeyboard.DEFAULT_SIZE)
kwargs.setdefault('pos', MTVKeyboard.DEFAULT_POS)
kwargs.setdefault('layout', None)
kwargs.setdefault('time_lazy_update', .2)
kwargs.setdefault('repeat', 1 / 15.)
kwargs.setdefault('repeat_timeout', .2)
self._old_scale = 0
super(MTVKeyboard, self).__init__(**kwargs)
self.register_event_type('on_key_down')
self.register_event_type('on_key_up')
self.register_event_type('on_text_change')
self.time_lazy_update = kwargs.get('time_lazy_update')
self.layout = kwargs.get('layout')
self.container_width, self.container_height = self.size
self.repeat = kwargs.get('repeat')
self.repeat_timeout = kwargs.get('repeat_timeout')
# read default layout in configuration
if self.layout is None:
idlayout = pymt.pymt_config.get('keyboard', 'layout')
# search layout
for layout in MTVKeyboard.available_layout:
if layout.ID == idlayout:
self.layout = layout()
break
# no layout found ?
if self.layout is None:
pymt.pymt_logger.warning('Vkeyboard: Keyboard layout <%s> not found, fallback on QWERTY' % idlayout)
self.layout = KeyboardLayoutQWERTY()
self._mode = 'NORMAL'
self._cache = {}
self._current_cache = None
self._last_update = 0
self._last_update_scale = 1.
self._need_update = 'now'
self._internal_text = u''
self._show_layout = False
self._active_keys = []
self._used_label = []
self._last_key_down = []
self._last_key_repeat = 0
self._last_key_repeat_timeout = 0
# prepare layout widget
mtop, mright, mbottom, mleft = self.style['margin']
self._layout_widget = MTKineticList(
title=None, searchable=False, deletable=False,
size=(self.width - mleft - mright, self.height),
pos=(mleft, 0), style={'bg-color': (.0, .0, .0, .7)},
visible=False)
for layout in MTVKeyboard.available_layout:
item = MTKineticItem(label=layout.TITLE + ' - ' + layout.DESCRIPTION,
style={'font-size':14}, size=(self.width - mleft - mright, 40))
item.push_handlers(on_press=curry(self.on_layout_change, layout))
self._layout_widget.add_widget(item)
self.add_widget(self._layout_widget)
def __init__(self, **kwargs):
kwargs.setdefault("size", MTVKeyboard.DEFAULT_SIZE)
kwargs.setdefault("pos", MTVKeyboard.DEFAULT_POS)
kwargs.setdefault("layout", None)
kwargs.setdefault("time_lazy_update", 0.2)
kwargs.setdefault("repeat", 1 / 15.0)
kwargs.setdefault("repeat_timeout", 0.2)
self._old_scale = 0
super(MTVKeyboard, self).__init__(**kwargs)
self.register_event_type("on_key_down")
self.register_event_type("on_key_up")
self.register_event_type("on_text_change")
self.time_lazy_update = kwargs.get("time_lazy_update")
self.layout = kwargs.get("layout")
self.container_width, self.container_height = self.size
self.repeat = kwargs.get("repeat")
self.repeat_timeout = kwargs.get("repeat_timeout")
# read default layout in configuration
if self.layout is None:
idlayout = pymt.pymt_config.get("keyboard", "layout")
# search layout
for layout in MTVKeyboard.available_layout:
if layout.ID == idlayout:
self.layout = layout()
break
# no layout found ?
if self.layout is None:
pymt.pymt_logger.warning("Vkeyboard: Keyboard layout <%s> not found, fallback on QWERTY" % idlayout)
self.layout = KeyboardLayoutQWERTY()
self._mode = "NORMAL"
self._cache = {}
self._current_cache = None
self._last_update = 0
self._last_update_scale = 1.0
self._need_update = "now"
self._internal_text = u""
self._show_layout = False
self._active_keys = []
self._used_label = []
self._last_key_down = []
self._last_key_repeat = 0
self._last_key_repeat_timeout = 0
# prepare layout widget
mtop, mright, mbottom, mleft = self.style["margin"]
self._layout_widget = MTKineticList(
title=None,
searchable=False,
deletable=False,
size=(self.width - mleft - mright, self.height),
pos=(mleft, 0),
style={"bg-color": (0.0, 0.0, 0.0, 0.7)},
visible=False,
)
for layout in MTVKeyboard.available_layout:
item = MTKineticItem(
label=layout.TITLE + " - " + layout.DESCRIPTION,
style={"font-size": 14},
size=(self.width - mleft - mright, 40),
)
item.push_handlers(on_press=curry(self.on_layout_change, layout))
self._layout_widget.add_widget(item)
self.add_widget(self._layout_widget)
class MTVKeyboard(MTScatterWidget):
'''
MTVKeyboard is an onscreen keyboard with multitouch support.
Its layout is entirely customizable and you can switch between available
layouts using a button in the bottom right of the widget.
:Parameters:
`layout` : KeyboardLayout object, default to None
If None, keyboard layout will be created from configuration
property.
`time_lazy_update` : float, default to 0.2
Time in seconds to force a lazy update when keyboard size changes
`repeat` : float, default to 0.2
Key repeat rate. 1/15. will repeat the last key 5 times per seconds
`repeat_timeout` : float, default to 0.2
Will start to repeat the key after 200ms
:Events:
`on_key_down` : key
Fired when a key is down.
The key contains: displayed_str, internal_str, internal_action, width
`on_key_up` : key
Fired when a key is up.
The key contains: displayed_str, internal_str, internal_action, width
`on_text_change` : text
Fired when the internal text is changed
List of internal actions available :
* backspace
* capslock
* enter
* escape
* layout (to display layout list)
* shift
* shift_L
* shift_R
'''
available_layout = []
DEFAULT_SIZE = (700, 200)
DEFAULT_POS = (0, 0)
def __init__(self, **kwargs):
kwargs.setdefault('size', MTVKeyboard.DEFAULT_SIZE)
kwargs.setdefault('pos', MTVKeyboard.DEFAULT_POS)
kwargs.setdefault('layout', None)
kwargs.setdefault('time_lazy_update', .2)
kwargs.setdefault('repeat', 1 / 15.)
kwargs.setdefault('repeat_timeout', .2)
self._old_scale = 0
super(MTVKeyboard, self).__init__(**kwargs)
self.register_event_type('on_key_down')
self.register_event_type('on_key_up')
self.register_event_type('on_text_change')
self.time_lazy_update = kwargs.get('time_lazy_update')
self.layout = kwargs.get('layout')
self.container_width, self.container_height = self.size
self.repeat = kwargs.get('repeat')
self.repeat_timeout = kwargs.get('repeat_timeout')
# read default layout in configuration
if self.layout is None:
idlayout = pymt.pymt_config.get('keyboard', 'layout')
# search layout
for layout in MTVKeyboard.available_layout:
if layout.ID == idlayout:
self.layout = layout()
break
# no layout found ?
if self.layout is None:
pymt.pymt_logger.warning('Vkeyboard: Keyboard layout <%s> not found, fallback on QWERTY' % idlayout)
self.layout = KeyboardLayoutQWERTY()
self._mode = 'NORMAL'
self._cache = {}
self._current_cache = None
self._last_update = 0
self._last_update_scale = 1.
self._need_update = 'now'
self._internal_text = u''
self._show_layout = False
self._active_keys = []
self._used_label = []
self._last_key_down = []
self._last_key_repeat = 0
self._last_key_repeat_timeout = 0
# prepare layout widget
mtop, mright, mbottom, mleft = self.style['margin']
self._layout_widget = MTKineticList(
title=None, searchable=False, deletable=False,
size=(self.width - mleft - mright, self.height),
pos=(mleft, 0), style={'bg-color': (.0, .0, .0, .7)},
visible=False)
for layout in MTVKeyboard.available_layout:
item = MTKineticItem(label=layout.TITLE + ' - ' + layout.DESCRIPTION,
style={'font-size':14}, size=(self.width - mleft - mright, 40))
item.push_handlers(on_press=curry(self.on_layout_change, layout))
self._layout_widget.add_widget(item)
self.add_widget(self._layout_widget)
def on_text_change(self, *largs):
pass
#
# Static methods
#
@staticmethod
def add_custom_layout(layout_class):
'''Add a custom layout class on MTVKeyboard'''
if not layout_class in MTVKeyboard.available_layout:
# Append layout in class
MTVKeyboard.available_layout.append(layout_class)
if layout_class.FONT_FILENAME != None:
# Load custom font
try:
# XXX FIXME
#font.add_file(layout_class.FONT_FILENAME)
pass
except:
pymt.pymt_logger.exception('Vkeyboard: Unable to load custom font')
#
# Keyboard properties
#
def _get_text(self):
return self._internal_text
def _set_text(self, value):
if value != self._internal_text:
self._internal_text = value
self.dispatch_event('on_text_change', value)
text = property(_get_text, _set_text,
doc='''Get/set text string on vkeyboard''')
def _get_mode(self):
return self._mode
def _set_mode(self, value):
if value != self._mode:
self._need_update = 'now'
self._mode = value
mode = property(_get_mode, _set_mode,
doc='''Get/set mode of vkeyboard (NORMAL, SHIFT...)''')
#
# Public methods
#
def clear(self):
'''Clear the text'''
self.text = u''
def reset_repeat(self):
'''Reset key repeat
'''
self._last_key_down = []
self._last_key_repeat = 0
self._last_key_repeat_timeout = 0
#
# Private methods
#
def _lazy_update(self):
self.container_width = int(self.width * self.scale)
self.container_height = int(self.height * self.scale)
self._need_update = 'lazy'
self._last_update = getClock().get_time()
def _update(self):
dt = getClock().get_time() - self._last_update
if self._need_update is None:
return
if self._need_update == 'now' or (self._need_update == 'lazy' and dt >
self.time_lazy_update):
# create layout mode if not in cache
layoutmode = '%s:%s' % (self.layout.ID, self.mode)
if not layoutmode in self._cache:
self._cache[layoutmode] = {'background': GlDisplayList(),
'keys': GlDisplayList(),
'usedlabel': []}
self._current_cache = self._cache[layoutmode]
# do real update
self._do_update(mode='background')
self._do_update(mode='keys')
# don't update too fast next time (if it's lazy)
self._last_update = getClock().get_time()
self._last_update_scale = self.scale
self._need_update = None
def _do_update(self, mode=None):
# we absolutly want mode to update displaylist.
if mode not in ('background', 'keys'):
return
# don't update background if it's already compiled
if mode == 'background' and self._current_cache['background'].is_compiled():
return
# calculate margin
s = self.scale
w, h = self.container_width, self.container_height
if mode == 'background':
s = 1.
w, h = self.size
mtop, mright, mbottom, mleft = map(lambda x: x * s, self.style['margin'])
self.texsize = Vector(w - mleft - mright,
h - mtop - mbottom)
kx, ky = self.layout.SIZE
self.keysize = Vector(self.texsize.x / kx, self.texsize.y / ky)
m = 3 * s
x, y = 0, self.texsize.y - self.keysize.y
# update display list
self._current_cache['usedlabel'] = []
with self._current_cache[mode]:
# draw lines
for index in xrange(1, ky + 1):
line = self.layout.__getattribute__('%s_%d' % (self.mode, index))
# draw keys
for key in line:
displayed_str, internal_str, internal_action, scale = key
kw = self.keysize.x * scale
# don't display empty keys
if displayed_str is not None:
set_color(*self.style['key-color'])
if mode == 'background':
if internal_action is not None:
set_color(*self.style['syskey-color'])
drawCSSRectangle(
pos=(x+m, y+m),
size=(kw-m*2, self.keysize.y-m*2),
style=self.style, prefix='key')
elif mode == 'keys':
font_size = int(14 * s)
if font_size < 8:
font_size = 8
color = self.style['color']
if internal_action is not None:
color = self.style['color-syskey']
drawLabel(label=displayed_str,
pos=(x + kw / 2., y + self.keysize.y / 2.),
font_size=font_size, bold=False,
font_name=self.style.get('font-name'),
color=color)
self._current_cache['usedlabel'].append(getLastLabel())
# advance X
x += kw
# advance Y
y -= self.keysize.y
x = 0
# update completed
self._need_update = None
#
# Rewrite some handle to update the widget (drawing and scalling)
#
def on_resize(self, w, h):
self._lazy_update()
def on_transform(self, *largs):
# to lazy update only if scale change
if self._old_scale != self.scale:
self._old_scale = self.scale
self._lazy_update()
def on_layout_change(self, layout, *largs):
self._layout_widget.visible = False
self.layout = layout()
self._need_update = 'now'
def on_update(self):
super(MTVKeyboard, self).on_update()
self._update()
if not len(self._last_key_down):
return
self._last_key_repeat_timeout -= getFrameDt()
if self._last_key_repeat_timeout < 0:
self._last_key_repeat -= getFrameDt()
if self._last_key_repeat > 0:
return
self._last_key_repeat = self.repeat
key = self._last_key_down[-1]
self.dispatch_event('on_key_down', key, True)
self.dispatch_event('on_key_up', key, True)
def draw(self):
# background
set_color(*self.style['bg-color'])
drawCSSRectangle(size=self.size, style=self.style)
# content dynamic update
with gx_matrix:
glTranslatef(self.style['margin'][3], self.style['margin'][2], 0)
# draw precalculated background
self._current_cache['background'].draw()
# draw active keys layer
# +2 and -4 result of hard margin coded in _do_update (m = 3 * s)
# we substract 1 cause of border (draw-border is activated.)
set_color(*self.style['color-down'])
for key, size in self._active_keys:
x, y, w, h = size
drawCSSRectangle(pos=(x+2, y+2), size=(w-4, h-4),
style=self.style, prefix='key', state='down')
# search the good scale for current precalculated keys layer
if self._last_update_scale == self.scale:
s = 1. / self.scale# / self._last_update_scale
glScalef(s, s, s)
else:
s = 1. / self._last_update_scale
glScalef(s, s, s)
self._current_cache['keys'].draw()
def get_key_at_pos(self, x, y):
'''Return the key + size info on the current layout, at the coordinate (x, y)'''
mtop, mright, mbottom, mleft = self.style['margin']
w, h = self.width - mleft - mright, self.height - mtop - mbottom
kx, ky = self.layout.SIZE
keysize = Vector(w / kx, h / ky)
if x < mleft or x > self.width - mright or \
y < mbottom or y > self.height - mtop:
return None
index = ky-int((y - mbottom) /
(self.height - mtop - mbottom)
* ky)
line = self.layout.__getattribute__('%s_%d' % (self.mode, index))
x -= mleft
kx = 0
for key in line:
kw = keysize.x * key[3]
if x >= kx and x < kx + kw:
h = (self.height - mtop - mbottom) / ky
return (key, (kx, h * (ky-index), kw, h))
kx += kw
return None
def on_key_down(self, key, repeat=False):
if repeat is False:
if not key in self._last_key_down:
self._last_key_down.append(key)
self._last_key_repeat_timeout = self.repeat_timeout
self._last_key_repeat = self.repeat
displayed_str, internal_str, internal_action, scale = key
if internal_action is None:
if internal_str is not None:
self.text += internal_str
elif internal_action in ('capslock'):
if self.mode == 'NORMAL':
self.mode = 'SHIFT'
else:
self.mode = 'NORMAL'
self._need_update = 'now'
return
elif internal_action in ('shift', 'shift_L', 'shift_R'):
if self.mode == 'NORMAL':
self.mode = 'SHIFT'
else:
self.mode = 'NORMAL'
self._need_update = 'now'
return
elif internal_action in ('layout'):
self._layout_widget.visible = True
elif internal_action in ('backspace'):
self.text = self.text[:-1]
def on_key_up(self, key, repeat=False):
if key in self._last_key_down and repeat is False:
self._last_key_down.remove(key)
displayed_str, internal_str, internal_action, scale = key
if internal_action is None:
pass
elif internal_action in ('shift', 'shift_L', 'shift_R'):
if self.mode == 'NORMAL':
self.mode = 'SHIFT'
else:
self.mode = 'NORMAL'
self._need_update = 'now'
return
def on_touch_down(self, touch):
if not self._layout_widget.visible:
x, y = self.to_local(touch.x, touch.y)
keyinfo = self.get_key_at_pos(x, y)
if keyinfo is not None:
key, size = keyinfo
if key not in self._active_keys:
touch.userdata['vkeyboard_key'] = keyinfo
self._active_keys.append(keyinfo)
self.dispatch_event('on_key_down', key)
return True
return super(MTVKeyboard, self).on_touch_down(touch)
def on_touch_up(self, touch):
if 'vkeyboard_key' in touch.userdata:
keyinfo = touch.userdata['vkeyboard_key']
key, size = keyinfo
if keyinfo in self._active_keys:
self._active_keys.remove(keyinfo)
self.dispatch_event('on_key_up', key)
return True
return super(MTVKeyboard, self).on_touch_up(touch)
