Add preliminary support for alert line management
Tyler Goodlet
parent
88d48bd188
commit
97b2f86cfe
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@ -26,6 +26,7 @@ import numpy as np
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from ..log import get_logger
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from ._style import _min_points_to_show, hcolor, _font
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from ._graphics._lines import level_line
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log = get_logger(__name__)
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@ -215,7 +216,8 @@ class ChartView(ViewBox):
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self.addItem(self.select_box, ignoreBounds=True)
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self._chart: 'ChartPlotWidget' = None # noqa
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self._keys_on = {}
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self._key_buffer = []
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self._active_staged_line: 'LevelLine' = None # noqa
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@property
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def chart(self) -> 'ChartPlotWidget': # type: ignore # noqa
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@ -389,15 +391,37 @@ class ChartView(ViewBox):
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button = ev.button()
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pos = ev.pos()
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if button == QtCore.Qt.RightButton and self.menuEnabled():
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if button == QtCore.Qt.RightButton and self.menuEnabled():
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ev.accept()
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self.raiseContextMenu(ev)
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elif button == QtCore.Qt.LeftButton:
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print(f'clicked {pos}')
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ev.accept()
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line = self._active_staged_line
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if line:
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chart = self.chart._cursor.active_plot
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y = chart._cursor._datum_xy[1]
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# XXX: should make this an explicit attr
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# it's assigned inside ``.add_plot()``
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self.linked_charts._to_router.send_nowait({'alert': y})
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line = level_line(
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chart,
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level=y,
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color='alert_yellow',
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)
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log.info(f'clicked {pos}')
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def keyReleaseEvent(self, ev):
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# print(f'release: {ev.text().encode()}')
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"""
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Key release to normally to trigger release of input mode
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"""
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# TODO: is there a global setting for this?
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if ev.isAutoRepeat():
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ev.ignore()
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return
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@ -405,7 +429,7 @@ class ChartView(ViewBox):
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ev.accept()
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text = ev.text()
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key = ev.key()
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mods = ev.modifiers()
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# mods = ev.modifiers()
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if key == QtCore.Qt.Key_Shift:
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if self.state['mouseMode'] == ViewBox.RectMode:
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@ -413,16 +437,29 @@ class ChartView(ViewBox):
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if text == 'a':
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# how y line
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chart = self.chart._cursor.active_plot
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hl = chart._cursor.graphics[chart]['hl']
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chart.setCursor(QtCore.Qt.ArrowCursor)
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cursor = chart._cursor
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# delete "staged" cursor tracking line from view
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line = self._active_staged_line
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cursor._trackers.remove(line)
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if line:
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line.delete()
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self._active_staged_line = None
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# show the crosshair y line
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hl = cursor.graphics[chart]['hl']
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hl.show()
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def keyPressEvent(self, ev):
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"""
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This routine should capture key presses in the current view box.
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"""
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# print(ev.text().encode())
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# TODO: is there a global setting for this?
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if ev.isAutoRepeat():
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ev.ignore()
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return
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@ -448,26 +485,47 @@ class ChartView(ViewBox):
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# alt
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if mods == QtCore.Qt.AltModifier:
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pass
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# print("ALT")
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# esc
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if key == QtCore.Qt.Key_Escape:
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self.select_box.clear()
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self._key_buffer.append(text)
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# order modes
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if text == 'r':
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self.chart.default_view()
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if text == 'a':
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self._keys_on['a'] = True
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elif text == 'a':
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# hide y line
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chart = self.chart._cursor.active_plot
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print(f'on chart: {chart.name}')
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chart._cursor.graphics[chart]['hl'].hide()
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chart.setCursor(QtCore.Qt.PointingHandCursor)
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cursor = chart._cursor
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# XXX: should make this an explicit attr
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# it's assigned inside ``.add_plot()``
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self.linked_charts._to_router.send_nowait('yo')
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# add a "staged" cursor-tracking alert line
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line = level_line(
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chart,
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level=chart._cursor._datum_xy[1],
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color='alert_yellow',
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)
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self._active_staged_line = line
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# hide crosshair y-line
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cursor.graphics[chart]['hl'].hide()
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# add line to cursor trackers
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cursor._trackers.add(line)
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elif text == 'd':
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# Delete any hoverable under the cursor
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cursor = self.chart._cursor
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chart = cursor.active_plot
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for item in cursor._hovered:
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# hovered items must also offer
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# a ``.delete()`` method
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item.delete()
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# Leaving this for light reference purposes
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