def __init__(self, panel):
"""Add toolbar tool to panel and subscribe to capture events."""
self.hook = HookCollection(
start='madgui.component.matching.start')
self.cid = None
self.segment = panel.view.segment
self.panel = panel
self.view = panel.view
self.matcher = None
# toolbar tool
res = PackageResource('madgui.data')
with res.open('cursor.xpm') as xpm:
img = wx.ImageFromStream(xpm, wx.BITMAP_TYPE_XPM)
bmp = wx.BitmapFromImage(img)
self.toolbar = panel.toolbar
self.tool = panel.toolbar.AddCheckTool(
wx.ID_ANY,
bitmap=bmp,
shortHelp='Beam matching',
longHelp='Match by specifying constraints for envelope x(s), y(s).')
panel.Bind(wx.EVT_TOOL, self.OnMatchClick, self.tool)
# setup mouse capture
panel.hook.capture_mouse.connect(self.stop_match)
