def send_event(self, widget, event):
""" Send an event to the Slider programmatically.
Arguments
---------
widget :
The widget to sent the event to.
event :
The desired event to be proccessed.
"""
event_type = EVENT_MAP[event]
if event_type in (wx.EVT_LEFT_DOWN, wx.EVT_LEFT_UP):
position = wx.Point(100, 10)
self.send_wx_mouse_event(widget, event_type, position=position)
else:
value = widget.GetValue()
if event_type == wx.EVT_SCROLL_BOTTOM:
value = widget.GetMin()
elif event_type == wx.EVT_SCROLL_TOP:
value = widget.GetMax()
elif event_type == wx.EVT_SCROLL_LINEUP:
value += widget.GetLineSize()
elif event_type == wx.EVT_SCROLL_LINEDOWN:
value -= widget.GetLineSize()
elif event_type == wx.EVT_SCROLL_PAGEUP:
value += widget.GetPageSize()
elif event_type == wx.EVT_SCROLL_PAGEDOWN:
value -= widget.GetPageSize()
widget.SetValue(value)
event = wx.ScrollEvent(event_type.typeId, widget.GetId())
widget.GetEventHandler().ProcessEvent(event)
self.process_wx_events(self.app)
def _send_scroll_event(self):
""" This method fires the EVT_SCROLL_CHANGED event.
This means that the value has changed to a definite position, and it
should only be sent when the user is done moving the slider.
"""
evt = wx.ScrollEvent(wx.wxEVT_SCROLL_CHANGED)
evt.SetEventObject(self)
self.GetEventHandler().ProcessEvent(evt)
def _CreateEvent(self, event):
"""
Internal use, creates a new wxScrollEvent that has this wxPyPanel
instance as the event object.
:param event: wx event metric.
:return: None
"""
self._UpdateValues()
event = wx.ScrollEvent(event, self.GetId())
event.SetEventObject(self)
self.GetEventHandler().ProcessEvent(event)
self.Slider.Refresh()
self.Refresh()
def _one_down(self):
"""
Attempt to force the tree to scroll down. Fails.
Will leave this here for one day.
http://wxpython-users.1045709.n5.nabble.com/\
Cross-platform-issues-Programmatically-Scrolling\
-a-TreeCtrl-td2300200.html
"""
sp = 100 #self.treectrl.GetScrollPos(wx.VERTICAL)
srange = 100 # self.treectrl.GetScrollRange(wx.VERTICAL) - \
#self.treectrl.GetScrollThumb(wx.VERTICAL)
e = wx.ScrollEvent(wx.wxEVT_SCROLLWIN_LINEDOWN, self.treectrl.GetId(),
min(sp + 1, srange), wx.VERTICAL)
print sp, srange
self.treectrl.GetEventHandler().ProcessEvent(e)
def key_click_slider(control, interaction, delay):
""" Performs simulated typing of a key on the given wxSlider
after a delay. Only allowed keys are:
"Left", "Right", "Up", "Down", "Page Up", "Page Down"
Also, note that up related keys correspond to an increment on the slider,
and down a decrement.
Parameters
----------
control : wxSlider
The wx Object to be acted on.
interaction : instance of command.KeyClick
The interaction object holding the key input
to be simulated being typed
delay : int
Time delay (in ms) in which the key click will be performed.
Raises
------
ValueError
If the interaction.key is not one of the valid keys.
"""
valid_keys = {"Left", "Right", "Up", "Down", "Page Up", "Page Down"}
if interaction.key not in valid_keys:
raise ValueError(
"Unexpected Key. Supported keys are: {}".format(sorted(valid_keys))
)
if not control.HasFocus():
control.SetFocus()
value = control.GetValue()
if interaction.key in {"Up", "Right"}:
position = min(control.GetMax(), value + control.GetLineSize())
elif interaction.key == "Page Up":
position = min(control.GetMax(), value + control.GetPageSize())
elif interaction.key == "Page Down":
position = max(control.GetMin(), value - control.GetPageSize())
elif interaction.key in {"Down", "Left"}:
position = max(control.GetMin(), value - control.GetLineSize())
else:
raise ValueError(
"Unexpected Key. Supported keys are: {}".format(sorted(valid_keys))
)
wx.MilliSleep(delay)
control.SetValue(position)
event = wx.ScrollEvent(
wx.wxEVT_SCROLL_CHANGED, control.GetId(), position
)
wx.PostEvent(control, event)
def test_ScrollEvent_ctor(self):
evt = wx.ScrollEvent()
