def __init__(self,
parent,
getter,
setter,
emitter=None,
lightness=1,
saturation=1,
dialog_title='Select hue',
help_text='Shows the current hue. Click to change.',
size=(25, 10)):
CuteWindow.__init__(self, parent, size=size, style=wx.SIMPLE_BORDER)
self.getter = getter
self.setter = setter
self.lightness = lightness
self.saturation = saturation
self.dialog_title = dialog_title
self.SetHelpText(help_text)
self._pen = wx.Pen(wx.Colour(0, 0, 0), width=0, style=wx.TRANSPARENT)
self.bind_event_handlers(HueControl)
if emitter:
assert isinstance(emitter, Emitter)
self.emitter = emitter
self.emitter.add_output(self.update)
else:
assert emitter is None
self.emitter = Emitter(outputs=(self.update, ),
name='hue_modified')
old_setter = self.setter
def new_setter(value):
old_setter(value)
self.emitter.emit()
self.setter = new_setter
def __init__(self, parent, getter, setter, emitter=None, lightness=1,
saturation=1, dialog_title='Select hue',
help_text='Shows the current hue. Click to change.',
size=(25, 10)):
CuteWindow.__init__(self, parent, size=size, style=wx.SIMPLE_BORDER)
self.getter = getter
self.setter = setter
self.lightness = lightness
self.saturation = saturation
self.dialog_title = dialog_title
self.SetHelpText(help_text)
self._pen = wx.Pen(wx.Colour(0, 0, 0), width=0, style=wx.TRANSPARENT)
self.bind_event_handlers(HueControl)
if emitter:
assert isinstance(emitter, Emitter)
self.emitter = emitter
self.emitter.add_output(self.update)
else:
assert emitter is None
self.emitter = Emitter(
outputs=(self.update,),
name='hue_modified'
)
old_setter = self.setter
def new_setter(value):
old_setter(value)
self.emitter.emit()
self.setter = new_setter
class HueControl(CuteWindow):
'''
Widget for displaying (and possibly modifying) a hue.
Clicking on the hue will open a dialog for changing it.
'''
def __init__(self,
parent,
getter,
setter,
emitter=None,
lightness=1,
saturation=1,
dialog_title='Select hue',
help_text='Shows the current hue. Click to change.',
size=(25, 10)):
CuteWindow.__init__(self, parent, size=size, style=wx.SIMPLE_BORDER)
self.getter = getter
self.setter = setter
self.lightness = lightness
self.saturation = saturation
self.dialog_title = dialog_title
self.SetHelpText(help_text)
self._pen = wx.Pen(wx.Colour(0, 0, 0), width=0, style=wx.TRANSPARENT)
self.bind_event_handlers(HueControl)
if emitter:
assert isinstance(emitter, Emitter)
self.emitter = emitter
self.emitter.add_output(self.update)
else:
assert emitter is None
self.emitter = Emitter(outputs=(self.update, ),
name='hue_modified')
old_setter = self.setter
def new_setter(value):
old_setter(value)
self.emitter.emit()
self.setter = new_setter
@property
def extreme_negative_wx_color(self):
return wx.NamedColour('Black') if self.lightness > 0.5 else \
wx.NamedColour('White')
def open_editing_dialog(self):
'''Open a dialog to edit the hue.'''
old_hue = self.getter()
hue_selection_dialog = HueSelectionDialog.create_and_show_modal(
self.TopLevelParent,
self.getter,
self.setter,
self.emitter,
lightness=self.lightness,
saturation=self.saturation,
title=self.dialog_title)
def update(self):
if self: # Protecting from dead object
self.Refresh()
def Destroy(self):
self.emitter.remove_output(self.update)
super().Destroy()
### Event handlers: #######################################################
# #
def _on_paint(self, event):
dc = wx.BufferedPaintDC(self)
color = wx_tools.colors.hls_to_wx_color(
(self.getter(), self.lightness, self.saturation))
dc.SetBrush(wx.Brush(color))
dc.SetPen(self._pen)
width, height = self.ClientSize
dc.DrawRectangle(-5, -5, width + 10, height + 10)
if self.has_focus():
graphics_context = wx.GraphicsContext.Create(dc)
assert isinstance(graphics_context, wx.GraphicsContext)
graphics_context.SetPen(
wx_tools.drawing_tools.pens.get_focus_pen(
color=self.extreme_negative_wx_color))
graphics_context.SetBrush(wx.TRANSPARENT_BRUSH)
graphics_context.DrawRectangle(2, 2, width - 5, height - 5)
def _on_left_down(self, event):
self.open_editing_dialog()
def _on_char(self, event):
char = unichr(event.GetUniChar())
if char == ' ':
self.open_editing_dialog()
else:
event.Skip()
def _on_set_focus(self, event):
event.Skip()
self.Refresh()
def _on_kill_focus(self, event):
event.Skip()
self.Refresh()
class HueControl(CuteWindow):
'''
Widget for displaying (and possibly modifying) a hue.
Clicking on the hue will open a dialog for changing it.
'''
def __init__(self, parent, getter, setter, emitter=None, lightness=1,
saturation=1, dialog_title='Select hue',
help_text='Shows the current hue. Click to change.',
size=(25, 10)):
CuteWindow.__init__(self, parent, size=size, style=wx.SIMPLE_BORDER)
self.getter = getter
self.setter = setter
self.lightness = lightness
self.saturation = saturation
self.dialog_title = dialog_title
self.SetHelpText(help_text)
self._pen = wx.Pen(wx.Colour(0, 0, 0), width=0, style=wx.TRANSPARENT)
self.bind_event_handlers(HueControl)
if emitter:
assert isinstance(emitter, Emitter)
self.emitter = emitter
self.emitter.add_output(self.update)
else:
assert emitter is None
self.emitter = Emitter(
outputs=(self.update,),
name='hue_modified'
)
old_setter = self.setter
def new_setter(value):
old_setter(value)
self.emitter.emit()
self.setter = new_setter
@property
def extreme_negative_wx_color(self):
return wx.NamedColour('Black') if self.lightness > 0.5 else \
wx.NamedColour('White')
def open_editing_dialog(self):
'''Open a dialog to edit the hue.'''
old_hue = self.getter()
hue_selection_dialog = HueSelectionDialog.create_and_show_modal(
self.TopLevelParent, self.getter, self.setter, self.emitter,
lightness=self.lightness, saturation=self.saturation,
title=self.dialog_title
)
def update(self):
if self: # Protecting from dead object
self.Refresh()
def Destroy(self):
self.emitter.remove_output(self.update)
super().Destroy()
### Event handlers: #######################################################
# #
def _on_paint(self, event):
dc = wx.BufferedPaintDC(self)
color = wx_tools.colors.hls_to_wx_color(
(
self.getter(),
self.lightness,
self.saturation
)
)
dc.SetBrush(wx.Brush(color))
dc.SetPen(self._pen)
width, height = self.ClientSize
dc.DrawRectangle(-5, -5, width+10, height+10)
if self.has_focus():
graphics_context = wx.GraphicsContext.Create(dc)
assert isinstance(graphics_context, wx.GraphicsContext)
graphics_context.SetPen(
wx_tools.drawing_tools.pens.get_focus_pen(
color=self.extreme_negative_wx_color
)
)
graphics_context.SetBrush(wx.TRANSPARENT_BRUSH)
graphics_context.DrawRectangle(2, 2,
width - 5, height - 5)
def _on_left_down(self, event):
self.open_editing_dialog()
def _on_char(self, event):
char = unichr(event.GetUniChar())
if char == ' ':
self.open_editing_dialog()
else:
event.Skip()
def _on_set_focus(self, event):
event.Skip()
self.Refresh()
def _on_kill_focus(self, event):
event.Skip()
self.Refresh()
