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"""
Checker panels:
- CheckerPanel: draw checker messages in front of each line
- GlobalCheckerPanel: draw all checker markers as colored rectangle to
offer a global view of all errors
"""
from pyqode.core import icons
from pyqode.core.api import DelayJobRunner, TextHelper, CodeEdit
from pyqode.core.api.panel import Panel, _logger
from pyqode.core.modes.checker import CheckerMessages
from pyqode.qt import QtCore, QtGui, QtWidgets
class CheckerPanel(Panel):
""" Shows messages collected by one or more checker modes """
def __init__(self):
super(CheckerPanel, self).__init__()
self._previous_line = -1
self.scrollable = True
self._job_runner = DelayJobRunner(delay=100)
self.setMouseTracking(True)
#: Info icon
self.info_icon = icons.icon(
'dialog-info', ':pyqode-icons/rc/dialog-info.png',
'fa.info-circle', qta_options={'color': '#4040DD'})
self.warning_icon = icons.icon(
'dialog-warning', ':pyqode-icons/rc/dialog-warning.png',
'fa.exclamation-triangle', qta_options={'color': '#DDDD40'})
self.error_icon = icons.icon(
'dialog-error', ':pyqode-icons/rc/dialog-error.png',
'fa.exclamation-circle', qta_options={'color': '#DD4040'})
def marker_for_line(self, line):
"""
Returns the marker that is displayed at the specified line number if
any.
:param line: The marker line.
:return: Marker of None
:rtype: pyqode.core.Marker
"""
block = self.editor.document().findBlockByNumber(line)
try:
return block.userData().messages
except AttributeError:
return []
def sizeHint(self):
"""
Returns the panel size hint. (fixed with of 16px)
"""
metrics = QtGui.QFontMetricsF(self.editor.font())
size_hint = QtCore.QSize(metrics.height(), metrics.height())
if size_hint.width() > 16:
size_hint.setWidth(16)
return size_hint
def on_uninstall(self):
self._job_runner.cancel_requests()
super(CheckerPanel, self).on_uninstall()
def paintEvent(self, event):
super(CheckerPanel, self).paintEvent(event)
painter = QtGui.QPainter(self)
for top, block_nbr, block in self.editor.visible_blocks:
user_data = block.userData()
if user_data and user_data.messages:
for msg in user_data.messages:
icon = self._icon_from_message(msg)
if icon:
rect = QtCore.QRect()
rect.setX(0)
rect.setY(top)
rect.setWidth(self.sizeHint().width())
rect.setHeight(self.sizeHint().height())
icon.paint(painter, rect)
def _icon_from_message(self, message):
icons = {
CheckerMessages.INFO: self.info_icon,
CheckerMessages.WARNING: self.warning_icon,
CheckerMessages.ERROR: self.error_icon
}
return icons[message.status]
def mouseMoveEvent(self, event):
# Requests a tooltip if the cursor is currently over a marker.
line = TextHelper(self.editor).line_nbr_from_position(event.pos().y())
if line:
markers = self.marker_for_line(line)
text = '\n'.join([marker.description for marker in markers if
marker.description])
if len(markers):
if self._previous_line != line:
top = TextHelper(self.editor).line_pos_from_number(
markers[0].line)
if top:
self._job_runner.request_job(self._display_tooltip,
text, top)
else:
self._job_runner.cancel_requests()
self._previous_line = line
def leaveEvent(self, *args):
"""
Hide tooltip when leaving the panel region.
"""
QtWidgets.QToolTip.hideText()
self._previous_line = -1
def _display_tooltip(self, tooltip, top):
"""
Display tooltip at the specified top position.
"""
QtWidgets.QToolTip.showText(self.mapToGlobal(QtCore.QPoint(
self.sizeHint().width(), top)), tooltip, self)
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