class LUIKeyMarker(LUIObject):
def __init__(self, parent=None, key=u"A"):
LUIObject.__init__(self)
self.bgLeft = LUISprite(self, "Keymarker_Left", "skin")
self.bgMid = LUISprite(self, "Keymarker", "skin")
self.bgRight = LUISprite(self, "Keymarker_Right", "skin")
self.label = LUILabel(parent=self, text=key, shadow=True)
self.label.centered = (True, True)
self.label.margin = (-3, 0, 0, -1)
self.margin = (-1, 0, 0, -1)
self.set_key(key)
if parent is not None:
self.parent = parent
self.fit_to_children()
def set_key(self, key):
self.label.set_text(key)
self.width = self.label.width + self.bgLeft.width + self.bgRight.width + 7
self.bgMid.width = self.width - self.bgLeft.width - self.bgRight.width
self.bgMid.left = self.bgLeft.width
self.bgRight.left = self.bgMid.width + self.bgMid.left
self.fit_to_children()
def _render_options(self, options):
visible = min(4, len(options))
offsetTop = 6
self.layout.height = visible * 30 + offsetTop + 11
self.container.height = visible * 30 + offsetTop + 1
self.layout.update_layout()
self.container.remove_all_children()
currentY = offsetTop
for optId, optVal in options:
optContainer = LUIObject(self.container, x=0, y=currentY, w=self.container.width - 30, h=30)
optBg = LUISprite(optContainer, "blank", "skin")
optBg.width = self.container.width
optBg.height = optContainer.height
optBg.color = (0,0,0,0)
optBg.bind("mouseover", self._on_opt_over)
optBg.bind("mouseout", self._on_opt_out)
optBg.bind("click", partial(self._on_opt_click, optId))
optBg.solid = True
optLabel = LUILabel(parent=optContainer, text=unicode(optVal), shadow=True)
optLabel.top = 5
optLabel.left = 8
if optId == self.selectbox.get_selected_option():
optLabel.color = (0.6, 0.9, 0.4, 1.0)
divider = LUISprite(optContainer, "SelectdropDivider", "skin")
divider.top = 30 - divider.height / 2
divider.width = self.container.width
currentY += 30
class LUIKeyMarker(LUIObject):
def __init__(self, parent=None, key=u"A"):
LUIObject.__init__(self)
self.bgLeft = LUISprite(self, "Keymarker_Left", "skin")
self.bgMid = LUISprite(self, "Keymarker", "skin")
self.bgRight = LUISprite(self, "Keymarker_Right", "skin")
self.label = LUILabel(parent=self, text=key, shadow=True)
self.label.centered = (True, True)
self.label.margin = (-3, 0, 0, -1)
self.margin = (-1, 0, 0, -1)
self.set_key(key)
if parent is not None:
self.parent = parent
self.fit_to_children()
def set_key(self, key):
self.label.set_text(key)
self.width = self.label.width + self.bgLeft.width + self.bgRight.width + 7
self.bgMid.width = self.width - self.bgLeft.width - self.bgRight.width
self.bgMid.left = self.bgLeft.width
self.bgRight.left = self.bgMid.width + self.bgMid.left
self.fit_to_children()
def _render_options(self, options):
""" Internal method to update the options """
num_visible_options = min(30, len(options))
offset_top = 6
self._layout.height = num_visible_options * 30 + offset_top + 11
self._container.height = num_visible_options * 30 + offset_top + 1
self._container.remove_all_children()
current_y = offset_top
for opt_id, opt_val in options:
opt_container = LUIObject(self._container, x=0, y=current_y, w=self._container.width - 30, h=30)
opt_bg = LUISprite(opt_container, "blank", "skin")
opt_bg.width = self._container.width
opt_bg.height = opt_container.height
opt_bg.color = (0,0,0,0)
opt_bg.bind("mouseover", self._on_opt_over)
opt_bg.bind("mouseout", self._on_opt_out)
opt_bg.bind("mousedown", lambda *args: self.request_focus())
opt_bg.bind("click", partial(self._on_opt_click, opt_id))
opt_bg.solid = True
opt_label = LUILabel(parent=opt_container, text=unicode(opt_val))
opt_label.top = 8
opt_label.left = 8
if opt_id == self._selectbox.selected_option:
opt_label.color = (0.6, 0.9, 0.4, 1.0)
divider = LUISprite(opt_container, "SelectdropDivider", "skin")
divider.top = 30 - divider.height / 2
divider.width = self._container.width
current_y += 30
def __init__(self, parent=None, width=200, value=50, show_label=True):
""" Constructs a new progress bar. If show_label is True, a label indicating
the current progress is shown """
LUIObject.__init__(self)
self.set_width(width)
self._bg_layout = LUIHorizontalStretchedLayout(parent=self,
prefix="ProgressbarBg",
width="100%")
self._fg_left = LUISprite(self, "ProgressbarFg_Left", "skin")
self._fg_mid = LUISprite(self, "ProgressbarFg", "skin")
self._fg_right = LUISprite(self, "ProgressbarFg_Right", "skin")
self._fg_finish = LUISprite(self, "ProgressbarFg_Finish", "skin")
self._show_label = show_label
self._progress_pixel = 0
self._fg_finish.right = 0
if self._show_label:
self._progress_label = LUILabel(parent=self, text=u"33 %")
self._progress_label.centered = (True, True)
self.set_value(value)
self._update_progress()
if parent is not None:
self.parent = parent
class LUIProgressbar(LUIObject):
def __init__(self, parent=None, width=200, value=50, show_label=True):
LUIObject.__init__(self, x=0, y=0, w=width, h=0)
self.bgLeft = LUISprite(self, "ProgressbarBg_Left", "skin")
self.bgMid = LUISprite(self, "ProgressbarBg", "skin")
self.bgRight = LUISprite(self, "ProgressbarBg_Right", "skin")
self.bgMid.width = self.width - self.bgLeft.width - self.bgRight.width
self.bgMid.left = self.bgLeft.width
self.bgRight.left = self.bgMid.width + self.bgMid.left
self.fgLeft = LUISprite(self, "ProgressbarFg_Left", "skin")
self.fgMid = LUISprite(self, "ProgressbarFg", "skin")
self.fgRight = LUISprite(self, "ProgressbarFg_Right", "skin")
self.fgFinish = LUISprite(self, "ProgressbarFg_Finish", "skin")
self.showLabel = show_label
self.progressPixel = 0
self.fgFinish.right = 0
self.fit_to_children()
if self.showLabel:
self.progressLabel = LUILabel(parent=self, text=u"33 %", shadow=True)
self.progressLabel.centered = (True, False)
self.progressLabel.top = -1
self.set_value(value)
self._update_progress()
if parent is not None:
self.parent = parent
def set_value(self, val):
val = max(0, min(100, val))
self.progressPixel = int(val / 100.0 * self.width)
self._update_progress()
def _update_progress(self):
self.fgFinish.hide()
if self.progressPixel <= self.fgLeft.width + self.fgRight.width:
self.fgMid.hide()
self.fgRight.left = self.fgLeft.width
else:
self.fgMid.show()
self.fgMid.left = self.fgLeft.width
self.fgMid.width = self.progressPixel - self.fgRight.width - self.fgLeft.width
self.fgRight.left = self.fgMid.left + self.fgMid.width
if self.progressPixel >= self.width - self.fgRight.width:
self.fgFinish.show()
self.fgFinish.right = -(self.width - self.progressPixel)
self.fgFinish.clip_bounds = (0, self.width - self.progressPixel, 0, 0)
if self.showLabel:
percentage = self.progressPixel / self.width * 100.0
self.progressLabel.set_text(unicode(int(percentage)) + u" %")
class LUICheckbox(LUIObject):
""" This is a simple checkbox, including a Label. The checkbox can either
be checked or unchecked. """
def __init__(self, checked=False, label=u"Checkbox", **kwargs):
""" Constructs a new checkbox with the given label and state. """
LUIObject.__init__(self, x=0, y=0, w=0, h=0, solid=True)
LUIInitialState.init(self, kwargs)
self.checkboxSprite = LUISprite(self, "Checkbox_Default", "skin")
self.label = LUILabel(parent=self, text=label, shadow=True, left=self.checkboxSprite.width + 6)
self.label.top = self.label.height - self.checkboxSprite.height
self.label.bind("resized", self._on_label_resized)
self.fit_to_children()
self.checked = checked
self._update_sprite()
def _on_label_resized(self, event):
""" Internal handler when the text of the label got changed """
self.fit_to_children()
def on_click(self, event):
""" Internal onclick handler. Do not override """
self.checked = not self.checked
self.trigger_event("changed")
self._update_sprite()
def on_mousedown(self, event):
""" Internal mousedown handler. Do not override """
self.checkboxSprite.color = (0.86,0.86,0.86,1.0)
def on_mouseup(self, event):
""" Internal on_mouseup handler. Do not override """
self.checkboxSprite.color = (1,1,1,1)
def get_checked(self):
""" Returns a boolean wheter the checkbox is currently checked """
return self.checked
def toggle_checked(self):
""" Toggles the checkbox state """
self.set_checked(not self.get_checked())
def set_checked(self, checked):
""" Sets the checkbox state """
self.checked = checked
self._update_sprite()
def get_label(self):
""" Returns a handle to the label, so it can be modified (e.g. change
its text) """
return self.label
def _update_sprite(self):
""" Internal method to update the sprites """
img = "Checkbox_Checked" if self.checked else "Checkbox_Default"
self.checkboxSprite.set_texture(img, "skin")
def __init__(self,
parent=None,
width=200,
placeholder=u"Enter some text ..",
value=u"",
**kwargs):
""" Constructs a new input field. An input field always needs a width specified """
LUIObject.__init__(self, x=0, y=0, solid=True)
self.set_width(width)
self._layout = LUIHorizontalStretchedLayout(parent=self,
prefix="InputField",
width="100%")
# Container for the text
self._text_content = LUIObject(self)
self._text_content.margin = (5, 7, 5, 7)
self._text_content.clip_bounds = (0, 0, 0, 0)
self._text_content.set_size("100%", "100%")
# Scroller for the text, so we can move right and left
self._text_scroller = LUIObject(parent=self._text_content)
self._text_scroller.center_vertical = True
self._text = LUILabel(parent=self._text_scroller, text=u"")
# Cursor for the current position
self._cursor = LUISprite(self._text_scroller,
"blank",
"skin",
x=0,
y=0,
w=2,
h=15)
self._cursor.color = (0.5, 0.5, 0.5)
self._cursor.margin.top = 2
self._cursor.z_offset = 20
self._cursor_index = 0
self._cursor.hide()
self._value = value
# Placeholder text, shown when out of focus and no value exists
self._placeholder = LUILabel(parent=self._text_content,
text=placeholder,
shadow=False,
center_vertical=True,
alpha=0.2)
# Various states
self._tickrate = 1.0
self._tickstart = 0.0
self._render_text()
if parent is not None:
self.parent = parent
LUIInitialState.init(self, kwargs)
def __init__(self, parent=None, width=200, value=50, show_label=True):
LUIObject.__init__(self, x=0, y=0, w=width, h=0)
self.bgLeft = LUISprite(self, "ProgressbarBg_Left", "skin")
self.bgMid = LUISprite(self, "ProgressbarBg", "skin")
self.bgRight = LUISprite(self, "ProgressbarBg_Right", "skin")
self.bgMid.width = self.width - self.bgLeft.width - self.bgRight.width
self.bgMid.left = self.bgLeft.width
self.bgRight.left = self.bgMid.width + self.bgMid.left
self.fgLeft = LUISprite(self, "ProgressbarFg_Left", "skin")
self.fgMid = LUISprite(self, "ProgressbarFg", "skin")
self.fgRight = LUISprite(self, "ProgressbarFg_Right", "skin")
self.fgFinish = LUISprite(self, "ProgressbarFg_Finish", "skin")
self.showLabel = show_label
self.progressPixel = 0
self.fgFinish.right = 0
self.fit_to_children()
if self.showLabel:
self.progressLabel = LUILabel(parent=self, text=u"33 %", shadow=True)
self.progressLabel.centered = (True, False)
self.progressLabel.top = -1
self.set_value(value)
self._update_progress()
if parent is not None:
self.parent = parent
def __init__(self, parent=None, width=100.0, filled=False, min_value=0, max_value=1.0, precision=2, value=None):
LUIObject.__init__(self, x=0, y=0, w=width, h=0)
LUICallback.__init__(self)
max_numbers_before = max(len(str(int(max_value))), len(str(int(min_value))))
number_space_required = max_numbers_before
if precision > 0:
number_space_required += 1 + precision
pixels_per_number = 7
self.precision = precision
self.slider = LUISlider(self, width=width - pixels_per_number * number_space_required - 5, filled=filled, min_value=min_value, max_value=max_value, value=value)
self.label = LUILabel(parent=self, shadow=True, text=u"1.23")
self.label.right = 0
self.label.top = self.label.height - self.slider.height
self.label.color = (1,1,1,0.5)
self.slider.add_change_callback(self._on_slider_changed)
self.slider.add_change_callback(self._trigger_callback)
self._on_slider_changed(self.slider, self.slider.get_value())
if parent is not None:
self.parent = parent
self.fit_to_children()
def __init__(self, parent=None, width=100.0, filled=False, min_value=0, max_value=1.0, precision=2, value=None):
LUIObject.__init__(self, x=0, y=0, w=width, h=0)
LUICallback.__init__(self)
max_numbers_before = max(len(str(int(max_value))), len(str(int(min_value))))
number_space_required = max_numbers_before
if precision > 0:
number_space_required += 1 + precision
pixels_per_number = 7
self.precision = precision
self.slider = LUISlider(
self,
width=width - pixels_per_number * number_space_required - 5,
filled=filled,
min_value=min_value,
max_value=max_value,
value=value,
)
self.label = LUILabel(parent=self, shadow=True, text=u"1.23")
self.label.right = 0
self.label.top = self.label.height - self.slider.height
self.label.color = (1, 1, 1, 0.5)
self.slider.add_change_callback(self._on_slider_changed)
self.slider.add_change_callback(self._trigger_callback)
self._on_slider_changed(self.slider, self.slider.get_value())
if parent is not None:
self.parent = parent
self.fit_to_children()
def __init__(self,
parent=None,
group=None,
value=None,
active=False,
label=u"Radiobox",
**kwargs):
""" Constructs a new radiobox. group should be a handle to a LUIRadioboxGroup.
value will be the value returned by group.value, in case the box was
selected. By default, the radiobox is not active. """
assert group is not None, "LUIRadiobox needs a LUIRadioboxGroup!"
LUIObject.__init__(self, x=0, y=0, solid=True)
self._sprite = LUISprite(self, "Radiobox_Default", "skin")
self._label = LUILabel(parent=self,
text=label,
margin=(0, 0, 0, 23),
center_vertical=True)
self._value = value
self._active = False
self._hovered = False
self._group = group
self._group.register_box(self)
if active:
self.set_active()
if parent:
self.parent = parent
LUIInitialState.init(self, kwargs)
def __init__(self, parent=None, key=u"A", instruction=u"Instruction"):
LUIObject.__init__(self)
self.marker = LUIKeyMarker(parent=self, key=key)
self.instructionLabel = LUILabel(parent=self, text=instruction, shadow=True)
self.instructionLabel.centered = (False, True)
self.instructionLabel.margin.top = -4
self.set_key(key)
def __init__(self, parent=None, width=200, value=50, show_label=True):
""" Constructs a new progress bar. If show_label is True, a label indicating
the current progress is shown """
LUIObject.__init__(self)
self.set_width(width)
self._bg_layout = LUIHorizontalStretchedLayout(
parent=self, prefix="ProgressbarBg", width="100%")
self._fg_left = LUISprite(self, "ProgressbarFg_Left", "skin")
self._fg_mid = LUISprite(self, "ProgressbarFg", "skin")
self._fg_right = LUISprite(self, "ProgressbarFg_Right", "skin")
self._fg_finish = LUISprite(self, "ProgressbarFg_Finish", "skin")
self._show_label = show_label
self._progress_pixel = 0
self._fg_finish.right = 0
if self._show_label:
self._progress_label = LUILabel(parent=self, text=u"33 %")
self._progress_label.centered = (True, True)
self.set_value(value)
self._update_progress()
if parent is not None:
self.parent = parent
def __init__(self, parent=None, key=u"A"):
LUIObject.__init__(self)
self.bgLeft = LUISprite(self, "Keymarker_Left", "skin")
self.bgMid = LUISprite(self, "Keymarker", "skin")
self.bgRight = LUISprite(self, "Keymarker_Right", "skin")
self.label = LUILabel(parent=self, text=key, shadow=True)
self.label.centered = (True, True)
self.label.margin = (-3, 0, 0, -1)
self.margin = (-1, 0, 0, -1)
self.set_key(key)
if parent is not None:
self.parent = parent
self.fit_to_children()
def add(self, header, frame):
# header
if isinstance(header, str):
header = LUILabel(text = header)
self.header_bar.add(header, "?")
self.header_to_frame[header] = frame
header.solid = True
header.bind("click", self._change_to_tab)
# Frame
frame.parent = self.main_frame
frame.width = "100%"
frame.height = "100%"
# Put frame in front
if self.current_frame is None:
self.current_frame = frame
self.current_frame.show()
else:
frame.hide()
def add(self, header, frame):
# header
if isinstance(header, str):
header = LUILabel(text=header)
self.header_bar.add(header, "?")
self.header_to_frame[header] = frame
header.solid = True
header.bind("click", self._change_to_tab)
# Frame
frame.parent = self.main_frame
frame.width = "100%"
frame.height = "100%"
# Put frame in front
if self.current_frame is None:
self.current_frame = frame
self.current_frame.show()
else:
frame.hide()
def __init__(self, parent=None, width=200, placeholder=u"Enter some text ..", value=u""):
LUIObject.__init__(self, x=0, y=0, w=width, h=0)
LUICallback.__init__(self)
self.bgLeft = LUISprite(self, "InputField_Left", "skin")
self.bgMid = LUISprite(self, "InputField", "skin")
self.bgRight = LUISprite(self, "InputField_Right", "skin")
self.textContent = LUIObject(self)
self.textContent.margin = (5, 8, 5, 8)
self.textContent.clip_bounds = (0, 0, 0, 0)
self.textContent.height = self.bgMid.height - 10
self.textContent.width = self.width - 16
self.textScroller = LUIObject(parent=self.textContent, x=0, y=0)
self.text = LUILabel(parent=self.textScroller, text=u"", shadow=True)
self.cursor = LUISprite(self.textScroller, "blank", "skin", x=0, y=0, w=2, h=15.0)
self.cursor.color = (0.5, 0.5, 0.5)
self.cursor.margin_top = 3
self.cursor.z_offset = 20
self.cursor_index = 0
self.cursor.hide()
self.value = value
self.placeholder = LUILabel(parent=self.textContent, text=placeholder, shadow=False)
self.placeholder.color = (1, 1, 1, 0.5)
self.bgMid.width = self.width - self.bgLeft.width - self.bgRight.width
self.bgMid.left = self.bgLeft.width
self.bgRight.left = self.bgMid.width + self.bgMid.left
if len(self.value) > 0:
self.placeholder.hide()
self.tickrate = 1.0
self.tickstart = 0.0
self.fit_to_children()
self._render_text()
if parent is not None:
self.parent = parent
def add(self, *args, **kwargs):
""" Appends a new text. The arguments are equal to the arguments of
LUILabel. The arguments shouldn't contain information about the
placement like top_left, or center_vertical, since the labels are
placed at explicit positions. """
self._last_size = kwargs.get("font_size", 14)
label = LUILabel(parent=self, left=self._cursor.x, top=self._cursor.y,
*args, **kwargs)
# This is a bit of a hack, we should use a horizontal layout, but we
# don't for performance reasons.
self._cursor.x += label.text_handle.width
def __init__(self, checked=False, label=u"Checkbox", **kwargs):
""" Constructs a new checkbox with the given label and state. """
LUIObject.__init__(self, x=0, y=0, w=0, h=0, solid=True)
LUIInitialState.init(self, kwargs)
self.checkboxSprite = LUISprite(self, "Checkbox_Default", "skin")
self.label = LUILabel(parent=self, text=label, shadow=True, left=self.checkboxSprite.width + 6)
self.label.top = self.label.height - self.checkboxSprite.height
self.label.bind("resized", self._on_label_resized)
self.fit_to_children()
self.checked = checked
self._update_sprite()
def __init__(self, parent=None, width=200, placeholder=u"Enter some text ..", value=u"", **kwargs):
""" Constructs a new input field. An input field always needs a width specified """
LUIObject.__init__(self, x=0, y=0, solid=True)
self.set_width(width)
self._layout = LUIHorizontalStretchedLayout(parent=self, prefix="InputField", width="100%")
# Container for the text
self._text_content = LUIObject(self)
self._text_content.margin = (5, 7, 5, 7)
self._text_content.clip_bounds = (0,0,0,0)
self._text_content.set_size("100%", "100%")
# Scroller for the text, so we can move right and left
self._text_scroller = LUIObject(parent=self._text_content)
self._text_scroller.center_vertical = True
self._text = LUILabel(parent=self._text_scroller, text=u"")
# Cursor for the current position
self._cursor = LUISprite(self._text_scroller, "blank", "skin", x=0, y=0, w=2, h=15)
self._cursor.color = (0.5, 0.5, 0.5)
self._cursor.margin.top = 2
self._cursor.z_offset = 20
self._cursor_index = 0
self._cursor.hide()
self._value = value
# Placeholder text, shown when out of focus and no value exists
self._placeholder = LUILabel(parent=self._text_content, text=placeholder, shadow=False,
center_vertical=True, alpha=0.2)
# Various states
self._tickrate = 1.0
self._tickstart = 0.0
self._render_text()
if parent is not None:
self.parent = parent
LUIInitialState.init(self, kwargs)
def _render_options(self, options):
""" Internal method to update the options """
num_visible_options = min(30, len(options))
offset_top = 6
self._layout.height = num_visible_options * 30 + offset_top + 11
self._container.height = num_visible_options * 30 + offset_top + 1
self._container.remove_all_children()
current_y = offset_top
for opt_id, opt_val in options:
opt_container = LUIObject(self._container,
x=0,
y=current_y,
w=self._container.width - 30,
h=30)
opt_bg = LUISprite(opt_container, "blank", "skin")
opt_bg.width = self._container.width
opt_bg.height = opt_container.height
opt_bg.color = (0, 0, 0, 0)
opt_bg.bind("mouseover", self._on_opt_over)
opt_bg.bind("mouseout", self._on_opt_out)
opt_bg.bind("mousedown", lambda *args: self.request_focus())
opt_bg.bind("click", partial(self._on_opt_click, opt_id))
opt_bg.solid = True
opt_label = LUILabel(parent=opt_container,
text=opt_val.encode('utf-8'))
opt_label.top = 8
opt_label.left = 8
if opt_id == self._selectbox.selected_option:
opt_label.color = (0.6, 0.9, 0.4, 1.0)
divider = LUISprite(opt_container, "SelectdropDivider", "skin")
divider.top = 30 - divider.height / 2
divider.width = self._container.width
current_y += 30
def __init__(self, checked=False, label=u"Checkbox", **kwargs):
""" Constructs a new checkbox with the given label and state. By default,
the checkbox is not checked. """
LUIObject.__init__(self, x=0, y=0, solid=True)
self._checked = checked
self._checkbox_sprite = LUISprite(self, "Checkbox_Default", "skin")
self._label = LUILabel(parent=self,
text=label,
margin=(0, 0, 0, 25),
center_vertical=True,
alpha=0.4)
self._hovered = False
LUIInitialState.init(self, kwargs)
def add(self, *args, **kwargs):
""" Appends a new text. The arguments are equal to the arguments of
LUILabel. The arguments shouldn't contain information about the placement
like top_left, or center_vertical. """
if "font_size" in kwargs:
self._last_size = kwargs["font_size"]
else:
self._last_size = 14
label = LUILabel(parent=self,
left=self._cursor.x,
top=self._cursor.y,
*args,
**kwargs)
# This is a bit of a hack, we should use a horizontal layout, but we don't
# for performance reasons.
self._cursor.x += label.text_handle.width
def __init__(self, parent=None, group=None, value=None, text=u"Radiobox"):
LUIObject.__init__(self)
LUICallback.__init__(self)
self.radiobox = LUIRadiobox(parent=self, group=group, value=value)
self.label = LUILabel(parent=self, text=text, shadow=True)
self.label.bind("click", self.radiobox.on_click)
self.label.bind("mousedown", self.radiobox.on_mousedown)
self.label.bind("mouseup", self.radiobox.on_mouseup)
self.radiobox.add_change_callback(self._trigger_callback)
if parent is not None:
self.parent = parent
self.label.left = self.radiobox.width + 6
self.label.top = self.label.height - self.radiobox.height
self.fit_to_children()
def __init__(self, parent=None, key=u"A"):
LUIObject.__init__(self)
self.bgLeft = LUISprite(self, "Keymarker_Left", "skin")
self.bgMid = LUISprite(self, "Keymarker", "skin")
self.bgRight = LUISprite(self, "Keymarker_Right", "skin")
self.label = LUILabel(parent=self, text=key, shadow=True)
self.label.centered = (True, True)
self.label.margin = (-3, 0, 0, -1)
self.margin = (-1, 0, 0, -1)
self.set_key(key)
if parent is not None:
self.parent = parent
self.fit_to_children()
def __init__(self, group=None, value=None, active=False, label=u"Radiobox", **kwargs):
LUIObject.__init__(self, x=0, y=0, w=0, h=0, solid=True)
LUIInitialState.init(self, kwargs)
self.sprite = LUISprite(self, "Radiobox_Default", "skin")
self.label = LUILabel(parent=self, text=label, shadow=True, left=self.sprite.width+6)
self.label.top = self.label.height - self.sprite.height
self.label.bind("resized", self._on_label_resized)
self.fit_to_children()
self.group = group
self.group.register_box(self)
self.active = False
self.value = value
if active:
self.set_active()
def __init__(self, width=200, options=None, selectedOption=None, **kwargs):
LUIObject.__init__(self, x=0, y=0, w=width+4, h=0, solid=True)
LUIInitialState.init(self, kwargs)
LUICallback.__init__(self)
# The selectbox has a small border, to correct this we move it
self.margin_left = -2
self.bgLeft = LUISprite(self, "Selectbox_Left", "skin")
self.bgMid = LUISprite(self, "Selectbox", "skin")
self.bgRight = LUISprite(self, "Selectbox_Right", "skin")
self.bgMid.width = self.width - self.bgLeft.width - self.bgRight.width
self.bgMid.left = self.bgLeft.width
self.bgRight.left = self.bgMid.width + self.bgMid.left
self.bgRight.z_offset = 1
self.labelContainer = LUIObject(self, x=10, y=6, w=width - 20 - self.bgRight.width, h=self.bgMid.height - 6)
self.labelContainer.clip_bounds = (0,0,0,0)
self.label = LUILabel(parent=self.labelContainer, text=u"Select an option ..", shadow=True)
self.bgRight.bind("mouseover", self._knob_mouseover)
self.bgRight.bind("mouseout", self._knob_mouseout)
self.bgRight.bind("click", self.on_click)
self.bgRight.bind("click", self.on_click)
self.fit_to_children()
self.dropMenu = UISelectdrop(parent=self, width=width)
self.dropMenu.top = self.bgMid.height - 7
self.dropMenu.topmost = True
self.dropOpen = False
self.dropMenu.hide()
self.options = []
self.currentOptionId = None
if options is not None:
self.options = options
self._select_option(selectedOption)
def __init__(self, text=u"Button", template="ButtonDefault", **kwargs):
""" Constructs a new button. The template controls which sprites to use.
If the template is "ButtonDefault" for example, the sprites
"ButtonDefault_Left", "ButtonDefault" and "ButtonDefault_Right" will
be used. The sprites used when the button is pressed should be named
"ButtonDefaultFocus_Left" and so on then.
If an explicit width is set on the button, the button will stick to
that width, otherwise it will automatically resize to fit the label """
LUIObject.__init__(self, x=0, y=0, solid=True)
self._template = template
self._layout = LUIHorizontalStretchedLayout(parent=self,
prefix=self._template,
width="100%")
self._label = LUILabel(parent=self, text=text)
self._label.z_offset = 1
self._label.center_vertical = True
self._label.margin = 0, 20, 0, 20
self.margin.left = -1
LUIInitialState.init(self, kwargs)
def __init__(self,
width=200,
options=None,
selected_option=None,
**kwargs):
""" Constructs a new selectbox with a given width """
LUIObject.__init__(self, x=0, y=0, w=width + 4, solid=True)
LUIInitialState.init(self, kwargs)
# The selectbox has a small border, to correct this we move it
self.margin.left = -2
self._bg_layout = LUIHorizontalStretchedLayout(parent=self,
prefix="Selectbox",
width="100%")
self._label_container = LUIObject(self, x=10, y=0)
self._label_container.set_size("100%", "100%")
self._label_container.clip_bounds = (0, 0, 0, 0)
self._label = LUILabel(parent=self._label_container,
text=u"Select an option ..")
self._label.center_vertical = True
self._drop_menu = LUISelectdrop(parent=self, width=width)
self._drop_menu.top = self._bg_layout._sprite_right.height - 7
self._drop_menu.topmost = True
self._drop_open = False
self._drop_menu.hide()
self._options = []
self._current_option_id = None
if options is not None:
self._options = options
self._select_option(selected_option)
f = DemoFramework()
f.prepare_demo("LUILabel")
# Constructor
f.add_constructor_parameter("text", "u'Label'")
f.add_constructor_parameter("shadow", "True")
f.add_constructor_parameter("font_size", "14")
f.add_constructor_parameter("font", "'label'")
# Functions
f.add_public_function("get_text", [], "string")
f.add_public_function("set_text", [("text", "string")])
f.add_property("text", "string")
f.add_property("text_handle", "LUIText")
# Events
f.construct_sourcecode("LUILabel")
# Create a new label
label = LUILabel(parent=f.get_widget_node(), text="This is a fancy label")
f.set_actions({
"Set Random Text": lambda: label.set_text(unicode(random.randint(100, 10000))),
"Set Random Color": lambda: label.set_color(random.random(), random.random(), random.random(), 1)
})
run()
class LUISelectbox(LUIObject, LUICallback):
def __init__(self, width=200, options=None, selectedOption=None, **kwargs):
LUIObject.__init__(self, x=0, y=0, w=width+4, h=0, solid=True)
LUIInitialState.init(self, kwargs)
LUICallback.__init__(self)
# The selectbox has a small border, to correct this we move it
self.margin_left = -2
self.bgLeft = LUISprite(self, "Selectbox_Left", "skin")
self.bgMid = LUISprite(self, "Selectbox", "skin")
self.bgRight = LUISprite(self, "Selectbox_Right", "skin")
self.bgMid.width = self.width - self.bgLeft.width - self.bgRight.width
self.bgMid.left = self.bgLeft.width
self.bgRight.left = self.bgMid.width + self.bgMid.left
self.bgRight.z_offset = 1
self.labelContainer = LUIObject(self, x=10, y=6, w=width - 20 - self.bgRight.width, h=self.bgMid.height - 6)
self.labelContainer.clip_bounds = (0,0,0,0)
self.label = LUILabel(parent=self.labelContainer, text=u"Select an option ..", shadow=True)
self.bgRight.bind("mouseover", self._knob_mouseover)
self.bgRight.bind("mouseout", self._knob_mouseout)
self.bgRight.bind("click", self.on_click)
self.bgRight.bind("click", self.on_click)
self.fit_to_children()
self.dropMenu = UISelectdrop(parent=self, width=width)
self.dropMenu.top = self.bgMid.height - 7
self.dropMenu.topmost = True
self.dropOpen = False
self.dropMenu.hide()
self.options = []
self.currentOptionId = None
if options is not None:
self.options = options
self._select_option(selectedOption)
def get_selected_option(self):
return self.currentOptionId
def _render_options(self):
self.dropMenu._render_options(self.options)
def set_options(self, options):
self.options = options
self.currentOptionId = None
self._render_options()
def _select_option(self, optid):
self.label.color = (1,1,1,1)
for optID, optVal in self.options:
if optID == optid:
self.label.set_text(optVal)
self.currentOptionId = optID
return
self.label.color = (1,1,1,0.5)
def _knob_mouseover(self, event):
self.bgRight.color = (0.9,0.9,0.9,1.0)
def _knob_mouseout(self, event):
self.bgRight.color = (1,1,1,1.0)
def on_click(self, event):
self.request_focus()
if self.dropOpen:
self._close_drop()
else:
self._open_drop()
def on_mousedown(self, event):
self.bgLeft.color = (0.9,0.9,0.9,1.0)
self.bgMid.color = (0.9,0.9,0.9,1.0)
def on_mouseup(self, event):
self.bgLeft.color = (1,1,1,1.0)
self.bgMid.color = (1,1,1,1.0)
def _open_drop(self):
if not self.dropOpen:
self._render_options()
self.dropMenu.show()
self.request_focus()
self.dropOpen = True
def _close_drop(self):
if self.dropOpen:
self.dropMenu.hide()
self.dropOpen = False
def _on_option_selected(self, optid):
self._select_option(optid)
self._close_drop()
def on_blur(self, event):
self._close_drop()
class LUIInputField(LUIObject):
""" Simple input field, accepting text input. This input field supports
entering text and navigating. Selecting text is (currently) not supported.
The input field also supports various keyboard shortcuts:
[pos1] Move to the beginning of the text
[end] Move to the end of the text
[arrow_left] Move one character to the left
[arrow_right] Move one character to the right
[ctrl] + [arrow_left] Move to the left, skipping over words
[ctrl] + [arrow_right] Move to the right, skipping over words
[escape] Un-focus input element
"""
re_skip = re.compile("\W*\w+\W")
def __init__(self, parent=None, width=200, placeholder=u"Enter some text ..", value=u"", **kwargs):
""" Constructs a new input field. An input field always needs a width specified """
LUIObject.__init__(self, x=0, y=0, solid=True)
self.set_width(width)
self._layout = LUIHorizontalStretchedLayout(parent=self, prefix="InputField", width="100%")
# Container for the text
self._text_content = LUIObject(self)
self._text_content.margin = (5, 7, 5, 7)
self._text_content.clip_bounds = (0,0,0,0)
self._text_content.set_size("100%", "100%")
# Scroller for the text, so we can move right and left
self._text_scroller = LUIObject(parent=self._text_content)
self._text_scroller.center_vertical = True
self._text = LUILabel(parent=self._text_scroller, text=u"")
# Cursor for the current position
self._cursor = LUISprite(self._text_scroller, "blank", "skin", x=0, y=0, w=2, h=15)
self._cursor.color = (0.5, 0.5, 0.5)
self._cursor.margin.top = 2
self._cursor.z_offset = 20
self._cursor_index = 0
self._cursor.hide()
self._value = value
# Placeholder text, shown when out of focus and no value exists
self._placeholder = LUILabel(parent=self._text_content, text=placeholder, shadow=False,
center_vertical=True, alpha=0.2)
# Various states
self._tickrate = 1.0
self._tickstart = 0.0
self._render_text()
if parent is not None:
self.parent = parent
LUIInitialState.init(self, kwargs)
@property
def value(self):
""" Returns the value of the input field """
return self._value
@value.setter
def value(self, new_value):
""" Sets the value of the input field """
self._value = unicode(new_value)
self._render_text()
self.trigger_event("changed", self._value)
def clear(self):
""" Clears the input value """
self.value = u""
@property
def cursor_pos(self):
""" Set the cursor position """
return self._cursor_index
@cursor_pos.setter
def cursor_pos(self, pos):
""" Set the cursor position """
if pos >= 0:
self._cursor_index = max(0, min(len(self._value), pos))
else:
self._cursor_index = max(len(self._value) + pos + 1, 0)
self._reset_cursor_tick()
self._render_text()
def on_tick(self, event):
""" Tick handler, gets executed every frame """
frame_time = globalClock.get_frame_time() - self._tickstart
show_cursor = frame_time % self._tickrate < 0.5 * self._tickrate
if show_cursor:
self._cursor.color = (0.5, 0.5, 0.5, 1)
else:
self._cursor.color = (1, 1, 1, 0)
def on_click(self, event):
""" Internal on click handler """
self.request_focus()
def on_mousedown(self, event):
""" Internal mousedown handler """
local_x_offset = self._text.text_handle.get_relative_pos(event.coordinates).x
self.cursor_pos = self._text.text_handle.get_char_index(local_x_offset)
def _reset_cursor_tick(self):
""" Internal method to reset the cursor tick """
self._tickstart = globalClock.get_frame_time()
def on_focus(self, event):
""" Internal focus handler """
self._cursor.show()
self._placeholder.hide()
self._reset_cursor_tick()
self._layout.color = (0.9, 0.9, 0.9, 1)
def on_keydown(self, event):
""" Internal keydown handler. Processes the special keys, and if none are
present, redirects the event """
key_name = event.message
if key_name == "backspace":
self._value = self._value[:max(0, self._cursor_index - 1)] + self._value[self._cursor_index:]
self.cursor_pos -= 1
self.trigger_event("changed", self._value)
elif key_name == "delete":
post_value = self._value[min(len(self._value), self._cursor_index + 1):]
self._value = self._value[:self._cursor_index] + post_value
self.cursor_pos = self._cursor_index
self.trigger_event("changed", self._value)
elif key_name == "arrow_left":
if event.get_modifier_state("alt") or event.get_modifier_state("ctrl"):
self.cursor_skip_left()
else:
self.cursor_pos -= 1
elif key_name == "arrow_right":
if event.get_modifier_state("alt") or event.get_modifier_state("ctrl"):
self.cursor_skip_right()
else:
self.cursor_pos += 1
elif key_name == "escape":
self.blur()
elif key_name == "home":
self.cursor_pos = 0
elif key_name == "end":
self.cursor_pos = len(self.value)
self.trigger_event(key_name, self._value)
def on_keyrepeat(self, event):
""" Internal keyrepeat handler """
self.on_keydown(event)
def on_textinput(self, event):
""" Internal textinput handler """
self._value = self._value[:self._cursor_index] + event.message + \
self._value[self._cursor_index:]
self.cursor_pos = self._cursor_index + len(event.message)
self.trigger_event("changed", self._value)
def on_blur(self, event):
""" Internal blur handler """
self._cursor.hide()
if len(self._value) < 1:
self._placeholder.show()
self._layout.color = (1, 1, 1, 1)
def _render_text(self):
""" Internal method to render the text """
self._text.set_text(self._value)
self._cursor.left = self._text.left + \
self._text.text_handle.get_char_pos(self._cursor_index) + 1
max_left = self.width - 15
if self._value:
self._placeholder.hide()
else:
if not self.focused:
self._placeholder.show()
# Scroll if the cursor is outside of the clip bounds
rel_pos = self.get_relative_pos(self._cursor.get_abs_pos()).x
if rel_pos >= max_left:
self._text_scroller.left = min(0, max_left - self._cursor.left)
if rel_pos <= 0:
self._text_scroller.left = min(0, - self._cursor.left - rel_pos)
def cursor_skip_left(self):
""" Moves the cursor to the left, skipping the previous word """
left_hand_str = ''.join(reversed(self.value[0:self.cursor_pos]))
match = self.re_skip.match(left_hand_str)
if match is not None:
self.cursor_pos -= match.end() - 1
else:
self.cursor_pos = 0
def cursor_skip_right(self):
""" Moves the cursor to the right, skipping the next word """
right_hand_str = self.value[self.cursor_pos:]
match = self.re_skip.match(right_hand_str)
if match is not None:
self.cursor_pos += match.end() - 1
else:
self.cursor_pos = len(self.value)
class LUIInputField(LUIObject, LUICallback):
def __init__(self, parent=None, width=200, placeholder=u"Enter some text ..", value=u""):
LUIObject.__init__(self, x=0, y=0, w=width, h=0)
LUICallback.__init__(self)
self.bgLeft = LUISprite(self, "InputField_Left", "skin")
self.bgMid = LUISprite(self, "InputField", "skin")
self.bgRight = LUISprite(self, "InputField_Right", "skin")
self.textContent = LUIObject(self)
self.textContent.margin = (5, 8, 5, 8)
self.textContent.clip_bounds = (0, 0, 0, 0)
self.textContent.height = self.bgMid.height - 10
self.textContent.width = self.width - 16
self.textScroller = LUIObject(parent=self.textContent, x=0, y=0)
self.text = LUILabel(parent=self.textScroller, text=u"", shadow=True)
self.cursor = LUISprite(self.textScroller, "blank", "skin", x=0, y=0, w=2, h=15.0)
self.cursor.color = (0.5, 0.5, 0.5)
self.cursor.margin_top = 3
self.cursor.z_offset = 20
self.cursor_index = 0
self.cursor.hide()
self.value = value
self.placeholder = LUILabel(parent=self.textContent, text=placeholder, shadow=False)
self.placeholder.color = (1, 1, 1, 0.5)
self.bgMid.width = self.width - self.bgLeft.width - self.bgRight.width
self.bgMid.left = self.bgLeft.width
self.bgRight.left = self.bgMid.width + self.bgMid.left
if len(self.value) > 0:
self.placeholder.hide()
self.tickrate = 1.0
self.tickstart = 0.0
self.fit_to_children()
self._render_text()
if parent is not None:
self.parent = parent
def _set_cursor_pos(self, pos):
self.cursor_index = max(0, min(len(self.value), pos))
self._reset_cursor_tick()
def on_tick(self, event):
frametime = globalClock.getFrameTime() - self.tickstart
show_cursor = frametime % self.tickrate < 0.5 * self.tickrate
if show_cursor:
self.cursor.color = (0.5, 0.5, 0.5, 1)
else:
self.cursor.color = (1, 1, 1, 0)
def _add_text(self, text):
self.value = self.value[: self.cursor_index] + text + self.value[self.cursor_index :]
self._set_cursor_pos(self.cursor_index + len(text))
self._render_text()
def on_click(self, event):
self.request_focus()
def on_mousedown(self, event):
local_x_offset = self.text.text.get_relative_pos(event.coordinates).x
self._set_cursor_pos(self.text.text.get_char_index(local_x_offset))
self._render_text()
def _reset_cursor_tick(self):
self.tickstart = globalClock.getFrameTime()
def on_focus(self, event):
self.cursor.show()
self.placeholder.hide()
self._reset_cursor_tick()
self.bgLeft.color = (0.9, 0.9, 0.9, 1)
self.bgMid.color = (0.9, 0.9, 0.9, 1)
self.bgRight.color = (0.9, 0.9, 0.9, 1)
def on_keydown(self, event):
key_name = event.get_message()
if key_name == "backspace":
self.value = self.value[: max(0, self.cursor_index - 1)] + self.value[self.cursor_index :]
self._set_cursor_pos(self.cursor_index - 1)
self._trigger_callback(self.value)
self._render_text()
elif key_name == "delete":
self.value = self.value[: self.cursor_index] + self.value[min(len(self.value), self.cursor_index + 1) :]
self._set_cursor_pos(self.cursor_index)
self._trigger_callback(self.value)
self._render_text()
elif key_name == "arrow_left":
self._set_cursor_pos(self.cursor_index - 1)
self._render_text()
elif key_name == "arrow_right":
self._set_cursor_pos(self.cursor_index + 1)
self._render_text()
def on_keyrepeat(self, event):
self.on_keydown(event)
def on_textinput(self, event):
self._add_text(event.get_message())
self._trigger_callback(self.value)
def on_blur(self, event):
self.cursor.hide()
if len(self.value) < 1:
self.placeholder.show()
self.bgLeft.color = (1, 1, 1, 1)
self.bgMid.color = (1, 1, 1, 1)
self.bgRight.color = (1, 1, 1, 1)
def get_value(self):
return self.value
def set_value(self, value):
self.value = value
# QUESTION: Should we trigger a callback when the user changes the value hisself?
self._trigger_callback(self.value)
self._render_text()
def _render_text(self):
self.text.set_text(self.value)
self.cursor.left = self.text.left + self.text.text.get_char_pos(self.cursor_index) + 1
max_left = self.width - 20
# Scroll if the cursor is outside of the clip bounds
relX = self.get_relative_pos(self.cursor.get_abs_pos()).x
if relX >= max_left:
self.textScroller.left = min(0, max_left - self.cursor.left)
if relX <= 0:
self.textScroller.left = min(0, -self.cursor.left - relX)
class LUIProgressbar(LUIObject):
""" A simple progress bar """
def __init__(self, parent=None, width=200, value=50, show_label=True):
""" Constructs a new progress bar. If show_label is True, a label indicating
the current progress is shown """
LUIObject.__init__(self)
self.set_width(width)
self._bg_layout = LUIHorizontalStretchedLayout(
parent=self, prefix="ProgressbarBg", width="100%")
self._fg_left = LUISprite(self, "ProgressbarFg_Left", "skin")
self._fg_mid = LUISprite(self, "ProgressbarFg", "skin")
self._fg_right = LUISprite(self, "ProgressbarFg_Right", "skin")
self._fg_finish = LUISprite(self, "ProgressbarFg_Finish", "skin")
self._show_label = show_label
self._progress_pixel = 0
self._fg_finish.right = 0
if self._show_label:
self._progress_label = LUILabel(parent=self, text=u"33 %")
self._progress_label.centered = (True, True)
self.set_value(value)
self._update_progress()
if parent is not None:
self.parent = parent
def get_value(self):
""" Returns the current value of the progress bar """
return (self._progress_pixel / self.width * 100.0)
def set_value(self, val):
""" Sets the value of the progress bar """
val = max(0, min(100, val))
self._progress_pixel = int(val / 100.0 * self.width)
self._update_progress()
value = property(get_value, set_value)
def _update_progress(self):
""" Internal method to update the progressbar """
self._fg_finish.hide()
if self._progress_pixel <= self._fg_left.width + self._fg_right.width:
self._fg_mid.hide()
self._fg_right.left = self._fg_left.width
else:
self._fg_mid.show()
self._fg_mid.left = self._fg_left.width
self._fg_mid.width = self._progress_pixel - self._fg_right.width - self._fg_left.width
self._fg_right.left = self._fg_mid.left + self._fg_mid.width
if self._progress_pixel >= self.width - self._fg_right.width:
self._fg_finish.show()
self._fg_finish.right = - (self.width - self._progress_pixel)
self._fg_finish.clip_bounds = (0, self.width - self._progress_pixel, 0, 0)
if self._show_label:
percentage = self._progress_pixel / self.width * 100.0
self._progress_label.set_text(unicode(int(percentage)) + u" %")
f.add_constructor_parameter("show_label", "False")
# Functions
f.add_public_function("get_value", [], "float")
f.add_public_function("set_value", [("value", "float")])
f.add_property("value", "float")
# Events
f.construct_sourcecode("LUIProgressbar")
# Create the checkbox
layout = LUIVerticalLayout(parent=f.get_widget_node(), spacing=10)
LUILabel(parent=layout.cell(),
text="This is a progressbar:",
color=(1, 1, 1, 0.4))
bar = LUIProgressbar(parent=layout.cell(), width=200.0)
LUILabel(parent=layout.cell(),
text="You can control it with this slider:",
color=(1, 1, 1, 0.4))
slider = LUISlider(parent=layout.cell(), width=200.0, filled=True)
slider.bind("changed", lambda event: bar.set_value(slider.value * 100.0))
f.set_actions({
"Set to 30%": lambda: bar.set_value(30),
})
run()
def __init__(self, parent=None):
LUIPopup.__init__(self, parent=parent, width=240, height=146)
LUICallback.__init__(self)
self.field = LUIObject(self.content, x=0, y=0, w=128, h=128)
self.fieldBG = LUISprite(self.field, "blank", "skin")
self.fieldBG.size = (128, 128)
self.fieldBG.color = (0.2, 0.6, 1.0)
self.fieldFG = LUISprite(self.field, "ColorpickerFieldOverlay", "skin")
self.fieldFG.pos = (-2, 0)
self.fieldBG.bind("mousedown", self._start_field_dragging)
self.fieldBG.bind("mouseup", self._stop_field_dragging)
self.fieldHandle = LUISprite(self.field, "ColorpickerFieldHandle",
"skin")
self.fieldHandle.bind("mousedown", self._start_field_dragging)
self.fieldHandle.bind("mouseup", self._stop_field_dragging)
self.fieldDragging = False
self.hueSlider = LUIObject(self.content, x=140, y=0, w=40, h=128)
self.hueSliderFG = LUISprite(self.hueSlider, "ColorpickerHueSlider",
"skin")
self.hueHandle = LUISprite(self.hueSlider, "ColorpickerHueHandle",
"skin")
self.hueHandle.left = (self.hueSliderFG.width -
self.hueHandle.width) / 2.0
self.hueHandle.top = 50
self.hueDragging = False
self.hueSlider.bind("mousedown", self._start_hue_dragging)
self.hueSlider.bind("mouseup", self._stop_hue_dragging)
self.labels = LUIVerticalLayout(self.content, width=40)
self.labels.pos = (177, 42)
colors = [u"R", u"G", u"B"]
self.colorLabels = []
for color in colors:
label = LUILabel(text=color, shadow=True)
label.color = (1, 1, 1, 0.3)
valueLabel = LUILabel(text=u"255", shadow=True)
valueLabel.right = 0
self.labels.add(label, valueLabel)
self.colorLabels.append(valueLabel)
self.activeColor = LUIObject(self.content, x=177, y=0)
self.activeColorBG = LUISprite(self.activeColor, "blank", "skin")
self.activeColorFG = LUISprite(self.activeColor,
"ColorpickerActiveColorOverlay", "skin")
self.activeColorBG.size = (40, 40)
self.activeColorBG.pos = (2, 0)
self.activeColorBG.color = (0.2, 0.6, 1.0, 1.0)
self.closeButton = LUIButton(parent=self.content,
text=u"Done",
width=45,
template="ButtonGreen")
self.closeButton.left = 177
self.closeButton.top = 98
self.closeButton.bind("click", self._close_popup)
self._set_hue(0.5)
self._set_sat_val(0.5, 0.5)
self.widget = parent
skin = LUIMetroSkin()
base.win.set_clear_color(Vec4(1))
else:
skin = LUIDefaultSkin()
base.win.set_clear_color(Vec4(0.1, 0.0, 0.0, 1))
skin.load()
# Initialize LUI
region = LUIRegion.make("LUI", base.win)
handler = LUIInputHandler()
base.mouseWatcher.attach_new_node(handler)
region.set_input_handler(handler)
# Title
title_label = LUILabel(parent=region.root, text="LUI Console Example", font_size=40,
font="header", pos=(25, 17))
# Container
container = LUIFrame(parent = region.root, width=700, height=500,
style=LUIFrame.FS_sunken, margin=30, top=50)
text_container = LUIScrollableRegion(parent=container, width=675, height=440,
padding=0)
base.win.set_clear_color(Vec4(0.1, 0.1, 0.1, 1.0))
layout = LUIVerticalLayout(parent=text_container.content_node)
def send_command(event):
""" Called when the user presses enter in the input field, submits the
command and prints something on the console """
label = LUIFormattedLabel()
# Constructor
f.add_constructor_parameter("filled", "False")
f.add_constructor_parameter("min_value", "0.0")
f.add_constructor_parameter("max_value", "0.0")
f.add_constructor_parameter("value", "None")
# Functions
f.add_public_function("get_value", [], "float")
f.add_public_function("set_value", [("value", "float")])
f.add_property("value", "float")
# Events
f.add_event("changed")
f.construct_sourcecode("LUISlider")
# Create the checkbox
layout = LUIVerticalLayout(parent=f.get_widget_node(), spacing=10)
LUILabel(parent=layout.cell(), text="This is a filled slider:", color=(1, 1, 1, 0.4))
slider = LUISlider(parent=layout.cell(), width=200.0)
LUILabel(parent=layout.cell(), text="This is a regular slider:", color=(1, 1, 1, 0.4))
slider_nofill = LUISlider(parent=layout.cell(), width=200.0, filled=False)
f.set_actions({
"Set to 30%": lambda: slider.set_value(0.3),
})
run()
def add_event(self, event_name):
label = LUILabel(text=event_name)
label.color = (1, 1, 1, 0.5)
self._events_layout.add(label)
self.update_layouts()
# label_tl = LUILabel(parent=container, text="Top Left", top_left=(0,0))
# label_tr = LUILabel(parent=container, text="Top Right", top_right=(0,0))
# label_bl = LUILabel(parent=container, text="Bottom Left", bottom_left=(0,0))
# label_br = LUILabel(parent=container, text="Bottom Right", bottom_right=(0,0))
# button = LUIButton(parent=container, top_left=(0, 0), text="Well this one .. is a long button! (A really long one!) ............ really long!")
# button.bind("click", lambda event: button.set_text("Hello!"))
container.size = 300, 300
# group = LUIRadioboxGroup()
# box = LUIRadiobox(parent=container, group=group, top=50)
# box2 = LUICheckbox(parent=container, top=100)
layout = LUIVerticalLayout(parent=container)
# layout.height = 280
# layout.width = 300
LUILabel(parent=layout.cell(), text="Hello")
LUILabel(parent=layout.cell(), text="World")
LUILabel(parent=layout.cell(100), text="100px row")
LUILabel(parent=layout.cell(), text="Next")
LUIButton(parent=layout.cell(), text="SomeButton")
LUILabel(parent=layout.cell('*'), text="Fill column")
LUILabel(parent=layout.cell(), text="Last column")
for i in range(5):
base.graphicsEngine.render_frame()
region.root.ls()
s.run()
# Constructor
f.add_constructor_parameter("width", "200")
f.add_constructor_parameter("height", "200")
f.add_constructor_parameter("innerPadding", "5")
f.add_constructor_parameter("scrollable", "False")
f.add_constructor_parameter("style", "UIFrame.Raised")
# Functions
# Events
f.construct_sourcecode("LUIFrame")
# Construct a new frame
frame = LUIFrame(parent=f.get_widget_node())
layout = LUIVerticalLayout(parent=frame, spacing=5)
layout.add(LUILabel(text="This is some frame ..", color=(0.2, 0.6, 1.0, 1.0), font_size=20))
layout.add(LUILabel(text="It can contain arbitrary elements."))
layout.add(LUILabel(text="For example this button:"))
layout.add(LUIButton(text="Fancy button"))
# frame.fit_to_children()
f.set_actions({
"Resize to 300x160": lambda: frame.set_size(300, 160),
"Fit to children": lambda: frame.clear_size(),
})
run()
def add_event(self, event_name):
label = LUILabel(text=event_name)
label.color = (1,1,1,0.5)
self.eventsLayout.add_row(label)
self.update_layouts()
from DemoFramework import DemoFramework
from LUILabel import LUILabel
import random
f = DemoFramework()
f.prepare_demo("LUILabel")
# Constructor
f.add_constructor_parameter("text", "u'Label'")
f.add_constructor_parameter("shadow", "True")
f.add_constructor_parameter("font_size", "14")
f.add_constructor_parameter("font", "'label'")
# Functions
f.add_public_function("get_text", [], "string")
f.add_public_function("set_text", [("text", "string")])
# Events
f.construct_sourcecode("LUILabel")
# Create a new label
label = LUILabel(parent=f.get_widget_node(), text="This is a fancy label")
f.set_actions({
"Set Random Text": lambda: label.set_text(unicode(random.randint(100, 10000))),
})
run()
def __init__(self, parent=None):
LUIPopup.__init__(self, parent=parent, width=240, height=146)
LUICallback.__init__(self)
self.field = LUIObject(self.content, x=0, y=0, w=128, h=128)
self.fieldBG = LUISprite(self.field, "blank", "skin")
self.fieldBG.size = (128, 128)
self.fieldBG.color = (0.2, 0.6, 1.0)
self.fieldFG = LUISprite(self.field, "ColorpickerFieldOverlay", "skin")
self.fieldFG.pos = (-2, 0)
self.fieldBG.bind("mousedown", self._start_field_dragging)
self.fieldBG.bind("mouseup", self._stop_field_dragging)
self.fieldHandle = LUISprite(self.field, "ColorpickerFieldHandle", "skin")
self.fieldHandle.bind("mousedown", self._start_field_dragging)
self.fieldHandle.bind("mouseup", self._stop_field_dragging)
self.fieldDragging = False
self.hueSlider = LUIObject(self.content, x=140, y=0, w=40, h=128)
self.hueSliderFG = LUISprite(self.hueSlider, "ColorpickerHueSlider", "skin")
self.hueHandle = LUISprite(self.hueSlider, "ColorpickerHueHandle", "skin")
self.hueHandle.left = (self.hueSliderFG.width - self.hueHandle.width) / 2.0
self.hueHandle.top = 50
self.hueDragging = False
self.hueSlider.bind("mousedown", self._start_hue_dragging)
self.hueSlider.bind("mouseup", self._stop_hue_dragging)
self.labels = LUIVerticalLayout(self.content, width=40)
self.labels.pos = (177, 42)
colors = [u"R", u"G", u"B"]
self.colorLabels = []
for color in colors:
label = LUILabel(text=color, shadow=True)
label.color = (1, 1, 1, 0.3)
valueLabel = LUILabel(text=u"255", shadow=True)
valueLabel.right = 0
self.labels.add_row(label, valueLabel)
self.colorLabels.append(valueLabel)
self.activeColor = LUIObject(self.content, x=177, y=0)
self.activeColorBG = LUISprite(self.activeColor, "blank", "skin")
self.activeColorFG = LUISprite(self.activeColor, "ColorpickerActiveColorOverlay", "skin")
self.activeColorBG.size = (40, 40)
self.activeColorBG.pos = (2, 0)
self.activeColorBG.color = (0.2, 0.6, 1.0, 1.0)
self.closeButton = LUIButton(parent=self.content, text=u"Done", width=45, template="ButtonMagic")
self.closeButton.left = 177
self.closeButton.top = 98
self.closeButton.bind("click", self._close_popup)
self._set_hue(0.5)
self._set_sat_val(0.5, 0.5)
self.widget = parent
class LUIInputField(LUIObject):
""" Simple input field """
def __init__(self, parent=None, width=200, placeholder=u"Enter some text ..", value=u"", **kwargs):
""" Constructs a new input field. An input field always needs a width specified """
LUIObject.__init__(self, x=0, y=0, solid=True)
self.set_width(width)
self._layout = LUIHorizontalStretchedLayout(parent=self, prefix="InputField", width="100%")
# Container for the text
self._text_content = LUIObject(self)
self._text_content.margin = (5, 7, 5, 7)
self._text_content.clip_bounds = (0,0,0,0)
self._text_content.set_size("100%", "100%")
# Scroller for the text, so we can move right and left
self._text_scroller = LUIObject(parent=self._text_content)
self._text_scroller.center_vertical = True
self._text = LUILabel(parent=self._text_scroller, text=u"")
# Cursor for the current position
self._cursor = LUISprite(self._text_scroller, "blank", "skin", x=0, y=0, w=2, h=15)
self._cursor.color = (0.5, 0.5, 0.5)
self._cursor.margin.top = 2
self._cursor.z_offset = 20
self._cursor_index = 0
self._cursor.hide()
self._value = value
# Placeholder text, shown when out of focus and no value exists
self._placeholder = LUILabel(parent=self._text_content, text=placeholder, shadow=False,
center_vertical=True, alpha=0.2)
# Various states
self._tickrate = 1.0
self._tickstart = 0.0
self._render_text()
if parent is not None:
self.parent = parent
LUIInitialState.init(self, kwargs)
def get_value(self):
""" Returns the value of the input field """
return self._value
def set_value(self, value):
""" Sets the value of the input field """
self._value = unicode(value)
self.trigger_event("changed", self._value)
self._render_text()
value = property(get_value, set_value)
def clear(self):
""" Clears the input value """
self.value = u""
def _set_cursor_pos(self, pos):
""" Internal method to set the cursor position """
self._cursor_index = max(0, min(len(self._value), pos))
self._reset_cursor_tick()
def on_tick(self, event):
""" Tick handler, gets executed every frame """
frametime = globalClock.get_frame_time() - self._tickstart
show_cursor = frametime % self._tickrate < 0.5 * self._tickrate
if show_cursor:
self._cursor.color = (0.5,0.5,0.5,1)
else:
self._cursor.color = (1,1,1,0)
def _add_text(self, text):
""" Internal method to append text """
self._value = self._value[:self._cursor_index] + text + self._value[self._cursor_index:]
self._set_cursor_pos(self._cursor_index + len(text))
self._render_text()
def on_click(self, event):
""" Internal on click handler """
self.request_focus()
def on_mousedown(self, event):
""" Internal mousedown handler """
local_x_offset = self._text.text_handle.get_relative_pos(event.coordinates).x
self._set_cursor_pos(self._text.text_handle.get_char_index(local_x_offset))
self._render_text()
def _reset_cursor_tick(self):
""" Internal method to reset the cursor tick """
self._tickstart = globalClock.getFrameTime()
def on_focus(self, event):
""" Internal focus handler """
self._cursor.show()
self._placeholder.hide()
self._reset_cursor_tick()
self._layout.color = (0.9,0.9,0.9,1)
def on_keydown(self, event):
""" Internal keydown handler """
key_name = event.message
if key_name == "backspace":
self._value = self._value[:max(0, self._cursor_index - 1)] + self._value[self._cursor_index:]
self._set_cursor_pos(self._cursor_index - 1)
self.trigger_event("changed", self._value)
self._render_text()
elif key_name == "delete":
self._value = self._value[:self._cursor_index] + self._value[min(len(self._value), self._cursor_index + 1):]
self._set_cursor_pos(self._cursor_index)
self.trigger_event("changed", self._value)
self._render_text()
elif key_name == "arrow_left":
self._set_cursor_pos(self._cursor_index - 1)
self._render_text()
elif key_name == "arrow_right":
self._set_cursor_pos(self._cursor_index + 1)
self._render_text()
self.trigger_event(key_name, self._value)
def on_keyrepeat(self, event):
""" Internal keyrepeat handler """
self.on_keydown(event)
def on_textinput(self, event):
""" Internal textinput handler """
self._add_text(event.message)
self.trigger_event("changed", self._value)
def on_blur(self, event):
""" Internal blur handler """
self._cursor.hide()
if len(self._value) < 1:
self._placeholder.show()
self._layout.color = (1,1,1,1)
def _render_text(self):
""" Internal method to render the text """
self._text.set_text(self._value)
self._cursor.left = self._text.left + self._text.text_handle.get_char_pos(self._cursor_index) + 1
max_left = self.width - 15
if self._value:
self._placeholder.hide()
else:
if not self.focused:
self._placeholder.show()
# Scroll if the cursor is outside of the clip bounds
rel_pos = self.get_relative_pos(self._cursor.get_abs_pos()).x
if rel_pos >= max_left:
self._text_scroller.left = min(0, max_left - self._cursor.left)
if rel_pos <= 0:
self._text_scroller.left = min(0, - self._cursor.left - rel_pos)
# Constructor
f.add_constructor_parameter("text", "Label")
f.add_constructor_parameter("shadow", "True")
f.add_constructor_parameter("font_size", "14")
f.add_constructor_parameter("font", "'label'")
# Functions
f.add_public_function("get_text", [], "string")
f.add_public_function("set_text", [("text", "string")])
f.add_property("text", "string")
f.add_property("text_handle", "LUIText")
# Events
f.construct_sourcecode("LUILabel")
# Create a new label
label = LUILabel(parent=f.get_widget_node(), text="This is a fancy label")
f.set_actions({
"Set Random Text":
lambda: label.set_text(str(random.randint(100, 10000))),
"Set Random Color":
lambda: label.set_color(random.random(), random.random(), random.random(),
1)
})
run()
class LUIInputField(LUIObject):
""" Simple input field, accepting text input. This input field supports
entering text and navigating. Selecting text is (currently) not supported.
The input field also supports various keyboard shortcuts:
[pos1] Move to the beginning of the text
[end] Move to the end of the text
[arrow_left] Move one character to the left
[arrow_right] Move one character to the right
[ctrl] + [arrow_left] Move to the left, skipping over words
[ctrl] + [arrow_right] Move to the right, skipping over words
[escape] Un-focus input element
"""
re_skip = re.compile("\W*\w+\W")
def __init__(self,
parent=None,
width=200,
placeholder=u"Enter some text ..",
value=u"",
**kwargs):
""" Constructs a new input field. An input field always needs a width specified """
LUIObject.__init__(self, x=0, y=0, solid=True)
self.set_width(width)
self._layout = LUIHorizontalStretchedLayout(parent=self,
prefix="InputField",
width="100%")
# Container for the text
self._text_content = LUIObject(self)
self._text_content.margin = (5, 7, 5, 7)
self._text_content.clip_bounds = (0, 0, 0, 0)
self._text_content.set_size("100%", "100%")
# Scroller for the text, so we can move right and left
self._text_scroller = LUIObject(parent=self._text_content)
self._text_scroller.center_vertical = True
self._text = LUILabel(parent=self._text_scroller, text=u"")
# Cursor for the current position
self._cursor = LUISprite(self._text_scroller,
"blank",
"skin",
x=0,
y=0,
w=2,
h=15)
self._cursor.color = (0.5, 0.5, 0.5)
self._cursor.margin.top = 2
self._cursor.z_offset = 20
self._cursor_index = 0
self._cursor.hide()
self._value = value
# Placeholder text, shown when out of focus and no value exists
self._placeholder = LUILabel(parent=self._text_content,
text=placeholder,
shadow=False,
center_vertical=True,
alpha=0.2)
# Various states
self._tickrate = 1.0
self._tickstart = 0.0
self._render_text()
if parent is not None:
self.parent = parent
LUIInitialState.init(self, kwargs)
@property
def value(self):
""" Returns the value of the input field """
return self._value
@value.setter
def value(self, new_value):
""" Sets the value of the input field """
if sys.version_info[0] < 3:
self._value = unicode(new_value)
else:
self._value = str(new_value)
self._render_text()
self.trigger_event("changed", self._value)
def clear(self):
""" Clears the input value """
self.value = u""
@property
def cursor_pos(self):
""" Set the cursor position """
return self._cursor_index
@cursor_pos.setter
def cursor_pos(self, pos):
""" Set the cursor position """
if pos >= 0:
self._cursor_index = max(0, min(len(self._value), pos))
else:
self._cursor_index = max(len(self._value) + pos + 1, 0)
self._reset_cursor_tick()
self._render_text()
def on_tick(self, event):
""" Tick handler, gets executed every frame """
frame_time = globalClock.get_frame_time() - self._tickstart
show_cursor = frame_time % self._tickrate < 0.5 * self._tickrate
if show_cursor:
self._cursor.color = (0.5, 0.5, 0.5, 1)
else:
self._cursor.color = (1, 1, 1, 0)
def on_click(self, event):
""" Internal on click handler """
self.request_focus()
def on_mousedown(self, event):
""" Internal mousedown handler """
local_x_offset = self._text.text_handle.get_relative_pos(
event.coordinates).x
self.cursor_pos = self._text.text_handle.get_char_index(local_x_offset)
def _reset_cursor_tick(self):
""" Internal method to reset the cursor tick """
self._tickstart = globalClock.get_frame_time()
def on_focus(self, event):
""" Internal focus handler """
self._cursor.show()
self._placeholder.hide()
self._reset_cursor_tick()
self._layout.color = (0.9, 0.9, 0.9, 1)
def on_keydown(self, event):
""" Internal keydown handler. Processes the special keys, and if none are
present, redirects the event """
key_name = event.message
if key_name == "backspace":
self._value = self._value[:max(0, self._cursor_index -
1)] + self._value[self.
_cursor_index:]
self.cursor_pos -= 1
self.trigger_event("changed", self._value)
elif key_name == "delete":
post_value = self._value[min(len(self._value), self._cursor_index +
1):]
self._value = self._value[:self._cursor_index] + post_value
self.cursor_pos = self._cursor_index
self.trigger_event("changed", self._value)
elif key_name == "arrow_left":
if event.get_modifier_state("alt") or event.get_modifier_state(
"ctrl"):
self.cursor_skip_left()
else:
self.cursor_pos -= 1
elif key_name == "arrow_right":
if event.get_modifier_state("alt") or event.get_modifier_state(
"ctrl"):
self.cursor_skip_right()
else:
self.cursor_pos += 1
elif key_name == "escape":
self.blur()
elif key_name == "home":
self.cursor_pos = 0
elif key_name == "end":
self.cursor_pos = len(self.value)
self.trigger_event(key_name, self._value)
def on_keyrepeat(self, event):
""" Internal keyrepeat handler """
self.on_keydown(event)
def on_textinput(self, event):
""" Internal textinput handler """
self._value = self._value[:self._cursor_index] + event.message + \
self._value[self._cursor_index:]
self.cursor_pos = self._cursor_index + len(event.message)
self.trigger_event("changed", self._value)
def on_blur(self, event):
""" Internal blur handler """
self._cursor.hide()
if len(self._value) < 1:
self._placeholder.show()
self._layout.color = (1, 1, 1, 1)
def _render_text(self):
""" Internal method to render the text """
self._text.set_text(self._value)
self._cursor.left = self._text.left + \
self._text.text_handle.get_char_pos(self._cursor_index) + 1
max_left = self.width - 15
if self._value:
self._placeholder.hide()
else:
if not self.focused:
self._placeholder.show()
# Scroll if the cursor is outside of the clip bounds
rel_pos = self.get_relative_pos(self._cursor.get_abs_pos()).x
if rel_pos >= max_left:
self._text_scroller.left = min(0, max_left - self._cursor.left)
if rel_pos <= 0:
self._text_scroller.left = min(0, -self._cursor.left - rel_pos)
def cursor_skip_left(self):
""" Moves the cursor to the left, skipping the previous word """
left_hand_str = ''.join(reversed(self.value[0:self.cursor_pos]))
match = self.re_skip.match(left_hand_str)
if match is not None:
self.cursor_pos -= match.end() - 1
else:
self.cursor_pos = 0
def cursor_skip_right(self):
""" Moves the cursor to the right, skipping the next word """
right_hand_str = self.value[self.cursor_pos:]
match = self.re_skip.match(right_hand_str)
if match is not None:
self.cursor_pos += match.end() - 1
else:
self.cursor_pos = len(self.value)
class LUIProgressbar(LUIObject):
""" A simple progress bar """
def __init__(self, parent=None, width=200, value=50, show_label=True):
""" Constructs a new progress bar. If show_label is True, a label indicating
the current progress is shown """
LUIObject.__init__(self)
self.set_width(width)
self._bg_layout = LUIHorizontalStretchedLayout(parent=self,
prefix="ProgressbarBg",
width="100%")
self._fg_left = LUISprite(self, "ProgressbarFg_Left", "skin")
self._fg_mid = LUISprite(self, "ProgressbarFg", "skin")
self._fg_right = LUISprite(self, "ProgressbarFg_Right", "skin")
self._fg_finish = LUISprite(self, "ProgressbarFg_Finish", "skin")
self._show_label = show_label
self._progress_pixel = 0
self._fg_finish.right = 0
if self._show_label:
self._progress_label = LUILabel(parent=self, text=u"33 %")
self._progress_label.centered = (True, True)
self.set_value(value)
self._update_progress()
if parent is not None:
self.parent = parent
def get_value(self):
""" Returns the current value of the progress bar """
return (self._progress_pixel / self.width * 100.0)
def set_value(self, val):
""" Sets the value of the progress bar """
val = max(0, min(100, val))
self._progress_pixel = int(val / 100.0 * self.width)
self._update_progress()
value = property(get_value, set_value)
def _update_progress(self):
""" Internal method to update the progressbar """
self._fg_finish.hide()
if self._progress_pixel <= self._fg_left.width + self._fg_right.width:
self._fg_mid.hide()
self._fg_right.left = self._fg_left.width
else:
self._fg_mid.show()
self._fg_mid.left = self._fg_left.width
self._fg_mid.width = self._progress_pixel - self._fg_right.width - self._fg_left.width
self._fg_right.left = self._fg_mid.left + self._fg_mid.width
if self._progress_pixel >= self.width - self._fg_right.width:
self._fg_finish.show()
self._fg_finish.right = -(self.width - self._progress_pixel)
self._fg_finish.clip_bounds = (0, self.width -
self._progress_pixel, 0, 0)
if self._show_label:
percentage = self._progress_pixel / self.width * 100.0
self._progress_label.set_text(unicode(int(percentage)) + u" %")
class LUIRadiobox(LUIObject):
""" A radiobox which can be used in combination with a LUIRadioboxGroup """
def __init__(self, group=None, value=None, active=False, label=u"Radiobox", **kwargs):
LUIObject.__init__(self, x=0, y=0, w=0, h=0, solid=True)
LUIInitialState.init(self, kwargs)
self.sprite = LUISprite(self, "Radiobox_Default", "skin")
self.label = LUILabel(parent=self, text=label, shadow=True, left=self.sprite.width+6)
self.label.top = self.label.height - self.sprite.height
self.label.bind("resized", self._on_label_resized)
self.fit_to_children()
self.group = group
self.group.register_box(self)
self.active = False
self.value = value
if active:
self.set_active()
def _on_label_resized(self, event):
""" Internal handler when the text of the label got changed """
self.fit_to_children()
def on_click(self, event):
""" Internal onclick handler. Do not override. """
self.set_active()
def set_active(self):
""" Internal function to set the radiobox active """
if self.group is not None:
self.group.set_active(self)
else:
self._update_state(True)
def get_value(self):
""" Returns the value of the radiobox """
return self.value
def get_label(self):
""" Returns a handle to the label, so it can be modified (e.g. change
its text) """
return self.label
def _update_state(self, active):
""" Internal method to update the state of the radiobox. Called by the
LUIRadioboxGroup """
self.active = active
self.trigger_event("changed")
self._update_sprite()
def on_mousedown(self, event):
""" Internal onmousedown handler. Do not override. """
self.color = (0.86,0.86,0.86,1.0)
def on_mouseup(self, event):
""" Internal onmouseup handler. Do not override. """
self.color = (1,1,1,1)
def _update_sprite(self):
""" Internal function to update the sprite of the radiobox """
img = "Radiobox_Active" if self.active else "Radiobox_Default"
self.sprite.set_texture(img, "skin")
def prepare_demo(self, demo_title=u"Some Demo"):
# Background
self._background = LUISprite(self._root, "res/DemoBackground.png")
# Make the background solid and recieve events
self._background.solid = True
# Logo
self._logo = LUISprite(self._root, "res/LUILogo.png")
self._logo.top_left = 15, 20
# Title
self._title_label = LUILabel(parent=self._root,
text=demo_title,
font_size=40,
font="header",
pos=(120, 27))
self._subtitle_label = LUILabel(parent=self._root,
text="Widget Demo",
font_size=14,
font="default",
pos=(121, 70),
alpha=0.3)
# Right bar
self._right_bar = LUIVerticalLayout(parent=self._root)
self._left_bar = LUIVerticalLayout(parent=self._root)
self._right_bar.width = 350
self._right_bar.pos = (410, 120)
self._right_bar.spacing = 10
self._left_bar.width = 350
self._left_bar.pos = (20, 120)
self._left_bar.spacing = 10
# Public functions
self._public_functions = LUIFrame(width=340, style=LUIFrame.FS_sunken)
self._functions_label = LUILabel(text=U"Additional Public functions")
self._functions_layout = LUIVerticalLayout(
parent=self._public_functions)
self._functions_layout.add(self._functions_label, 30)
# Events
self._events = LUIFrame(width=340, style=LUIFrame.FS_sunken)
self._events_label = LUILabel(text=U"Additional Events")
self._events_layout = LUIVerticalLayout(parent=self._events)
self._events_layout.add(self._events_label, 30)
# Actions
self._actions = LUIFrame(width=340, style=LUIFrame.FS_sunken)
self._actions_label = LUILabel(parent=self._actions,
text=U"Demo-Actions")
self._actions_select = LUISelectbox(parent=self._actions,
width=225,
top=30)
self._actions_btn = LUIButton(parent=self._actions,
right=0,
top=30,
text=u"Execute",
template="ButtonGreen")
self._actions_btn.bind("click", self._exec_action)
# Properties
self._properties = LUIFrame(width=340, style=LUIFrame.FS_sunken)
self._properties_label = LUILabel(text=u"Additional Properties")
self._properties_layout = LUIVerticalLayout(parent=self._properties)
self._properties_layout.add(self._properties_label, 30)
self._right_bar.add(self._actions)
self._right_bar.add(self._public_functions)
self._right_bar.add(self._properties)
self._right_bar.add(self._events)
# Widget
self._widget_container = LUIFrame(width=360,
height=250,
style=LUIFrame.FS_sunken)
self._widget_label = LUILabel(parent=self._widget_container,
text=u"Widget Demo")
self._left_bar.add(self._widget_container)
# Source Code
self._source_container = LUIFrame(width=360,
height=190,
style=LUIFrame.FS_sunken)
self._source_label = LUILabel(parent=self._source_container,
text=u"Default Constructor")
self._copy_code_button = LUIButton(parent=self._source_container,
text=u"Copy to Clipboard",
template="ButtonGreen",
bottom_right=(0, 0))
self._source_content = LUIObject(self._source_container)
self._source_content.top = 40
self._left_bar.add(self._source_container)
self._widget_node = LUIObject(self._widget_container, x=0, y=40)
class LUIInputField(LUIObject):
""" Simple input field """
def __init__(self,
parent=None,
width=200,
placeholder=u"Enter some text ..",
value=u"",
**kwargs):
""" Constructs a new input field. An input field always needs a width specified """
LUIObject.__init__(self, x=0, y=0, solid=True)
self.set_width(width)
self._layout = LUIHorizontalStretchedLayout(parent=self,
prefix="InputField",
width="100%")
# Container for the text
self._text_content = LUIObject(self)
self._text_content.margin = (5, 7, 5, 7)
self._text_content.clip_bounds = (0, 0, 0, 0)
self._text_content.set_size("100%", "100%")
# Scroller for the text, so we can move right and left
self._text_scroller = LUIObject(parent=self._text_content)
self._text_scroller.center_vertical = True
self._text = LUILabel(parent=self._text_scroller, text=u"")
# Cursor for the current position
self._cursor = LUISprite(self._text_scroller,
"blank",
"skin",
x=0,
y=0,
w=2,
h=15)
self._cursor.color = (0.5, 0.5, 0.5)
self._cursor.margin.top = 2
self._cursor.z_offset = 20
self._cursor_index = 0
self._cursor.hide()
self._value = value
# Placeholder text, shown when out of focus and no value exists
self._placeholder = LUILabel(parent=self._text_content,
text=placeholder,
shadow=False,
center_vertical=True,
alpha=0.2)
# Various states
self._tickrate = 1.0
self._tickstart = 0.0
self._render_text()
if parent is not None:
self.parent = parent
LUIInitialState.init(self, kwargs)
def get_value(self):
""" Returns the value of the input field """
return self._value
def set_value(self, value):
""" Sets the value of the input field """
self._value = unicode(value)
self.trigger_event("changed", self._value)
self._render_text()
value = property(get_value, set_value)
def clear(self):
""" Clears the input value """
self.value = u""
def _set_cursor_pos(self, pos):
""" Internal method to set the cursor position """
self._cursor_index = max(0, min(len(self._value), pos))
self._reset_cursor_tick()
def on_tick(self, event):
""" Tick handler, gets executed every frame """
frametime = globalClock.get_frame_time() - self._tickstart
show_cursor = frametime % self._tickrate < 0.5 * self._tickrate
if show_cursor:
self._cursor.color = (0.5, 0.5, 0.5, 1)
else:
self._cursor.color = (1, 1, 1, 0)
def _add_text(self, text):
""" Internal method to append text """
self._value = self._value[:self._cursor_index] + text + self._value[
self._cursor_index:]
self._set_cursor_pos(self._cursor_index + len(text))
self._render_text()
def on_click(self, event):
""" Internal on click handler """
self.request_focus()
def on_mousedown(self, event):
""" Internal mousedown handler """
local_x_offset = self._text.text_handle.get_relative_pos(
event.coordinates).x
self._set_cursor_pos(
self._text.text_handle.get_char_index(local_x_offset))
self._render_text()
def _reset_cursor_tick(self):
""" Internal method to reset the cursor tick """
self._tickstart = globalClock.getFrameTime()
def on_focus(self, event):
""" Internal focus handler """
self._cursor.show()
self._placeholder.hide()
self._reset_cursor_tick()
self._layout.color = (0.9, 0.9, 0.9, 1)
def on_keydown(self, event):
""" Internal keydown handler """
key_name = event.message
if key_name == "backspace":
self._value = self._value[:max(0, self._cursor_index -
1)] + self._value[self.
_cursor_index:]
self._set_cursor_pos(self._cursor_index - 1)
self.trigger_event("changed", self._value)
self._render_text()
elif key_name == "delete":
self._value = self._value[:self._cursor_index] + self._value[
min(len(self._value), self._cursor_index + 1):]
self._set_cursor_pos(self._cursor_index)
self.trigger_event("changed", self._value)
self._render_text()
elif key_name == "arrow_left":
self._set_cursor_pos(self._cursor_index - 1)
self._render_text()
elif key_name == "arrow_right":
self._set_cursor_pos(self._cursor_index + 1)
self._render_text()
self.trigger_event(key_name, self._value)
def on_keyrepeat(self, event):
""" Internal keyrepeat handler """
self.on_keydown(event)
def on_textinput(self, event):
""" Internal textinput handler """
self._add_text(event.message)
self.trigger_event("changed", self._value)
def on_blur(self, event):
""" Internal blur handler """
self._cursor.hide()
if len(self._value) < 1:
self._placeholder.show()
self._layout.color = (1, 1, 1, 1)
def _render_text(self):
""" Internal method to render the text """
self._text.set_text(self._value)
self._cursor.left = self._text.left + self._text.text_handle.get_char_pos(
self._cursor_index) + 1
max_left = self.width - 15
if self._value:
self._placeholder.hide()
else:
if not self.focused:
self._placeholder.show()
# Scroll if the cursor is outside of the clip bounds
rel_pos = self.get_relative_pos(self._cursor.get_abs_pos()).x
if rel_pos >= max_left:
self._text_scroller.left = min(0, max_left - self._cursor.left)
if rel_pos <= 0:
self._text_scroller.left = min(0, -self._cursor.left - rel_pos)
