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Code Issues 4 Pull Requests 6 Packages Projects Releases Wiki Activity

Use per-provider indented tree layout for results

symbol_search
Tyler Goodlet 2021-05-15 19:35:52 -04:00
parent 25dbe60c77
commit b39fd5e1fc
1 changed files with 109 additions and 22 deletions
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131
piker/ui/_search.py
View File

@ -18,6 +18,19 @@
qompleterz: embeddable search and complete using trio, Qt and fuzzywuzzy. qompleterz: embeddable search and complete using trio, Qt and fuzzywuzzy.
""" """
# link set for hackzin on this stuff:
# https://doc.qt.io/qt-5/qheaderview.html#moving-header-sections
# https://doc.qt.io/qt-5/model-view-programming.html
# https://doc.qt.io/qt-5/modelview.html
# https://doc.qt.io/qt-5/qtreeview.html#selectedIndexes
# https://doc.qt.io/qt-5/qmodelindex.html#siblingAtColumn
# https://doc.qt.io/qt-5/qitemselectionmodel.html#currentIndex
# https://www.programcreek.com/python/example/108109/PyQt5.QtWidgets.QTreeView
# https://doc.qt.io/qt-5/qsyntaxhighlighter.html
# https://github.com/qutebrowser/qutebrowser/blob/master/qutebrowser/completion/completiondelegate.py#L243
# https://forum.qt.io/topic/61343/highlight-matched-substrings-in-qstyleditemdelegate
import sys import sys
from functools import partial from functools import partial
from typing import ( from typing import (
@ -37,6 +50,7 @@ from PyQt5.QtCore import (
QItemSelectionModel, QItemSelectionModel,
) )
from PyQt5.QtGui import ( from PyQt5.QtGui import (
# QLayout,
QStandardItem, QStandardItem,
QStandardItemModel, QStandardItemModel,
) )
@ -44,7 +58,7 @@ from PyQt5.QtWidgets import (
QWidget, QWidget,
QTreeView, QTreeView,
# QListWidgetItem, # QListWidgetItem,
QAbstractScrollArea, # QAbstractScrollArea,
QStyledItemDelegate, QStyledItemDelegate,
) )
@ -91,6 +105,14 @@ class SimpleDelegate(QStyledItemDelegate):
class CompleterView(QTreeView): class CompleterView(QTreeView):
# XXX: relevant docs links:
# - simple widget version of this:
# https://doc.qt.io/qt-5/qtreewidget.html#details
# - MVC high level instructional:
# https://doc.qt.io/qt-5/model-view-programming.html
# - MV tut:
# https://doc.qt.io/qt-5/modelview.html
def __init__( def __init__(
self, self,
parent=None, parent=None,
@ -106,7 +128,8 @@ class CompleterView(QTreeView):
self.setItemDelegate(SimpleDelegate()) self.setItemDelegate(SimpleDelegate())
self.setModel(model) self.setModel(model)
self.setAlternatingRowColors(True) self.setAlternatingRowColors(True)
self.setIndentation(1) # TODO: size this based on DPI font
self.setIndentation(16)
# self.setUniformRowHeights(True) # self.setUniformRowHeights(True)
# self.setColumnWidth(0, 3) # self.setColumnWidth(0, 3)
@ -117,7 +140,8 @@ class CompleterView(QTreeView):
self.setAnimated(False) self.setAnimated(False)
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setSizeAdjustPolicy(QAbstractScrollArea.AdjustIgnored) # self.setVerticalBarPolicy(Qt.ScrollBarAlwaysOff)
# self.setSizeAdjustPolicy(QAbstractScrollArea.AdjustIgnored)
# column headers # column headers
model.setHorizontalHeaderLabels(labels) model.setHorizontalHeaderLabels(labels)
@ -172,19 +196,26 @@ class CompleterView(QTreeView):
# # root index # # root index
# model.index(0, 0, QModelIndex()), # model.index(0, 0, QModelIndex()),
# ) # )
root = model.invisibleRootItem()
for key, values in results.items(): for key, values in results.items():
src = QStandardItem(key)
root.appendRow(src)
# self.expand(model.index(1, 0, QModelIndex()))
# values just needs to be sequence-like # values just needs to be sequence-like
for i, s in enumerate(values): for i, s in enumerate(values):
# blank = QStandardItem('')
ix = QStandardItem(str(i)) ix = QStandardItem(str(i))
item = QStandardItem(s) item = QStandardItem(s)
# item.setCheckable(False) # item.setCheckable(False)
src = QStandardItem(key)
# Add the item to the model # Add the item to the model
model.appendRow([src, ix, item]) src.appendRow([ix, item])
self.expandAll()
def show_matches(self) -> None: def show_matches(self) -> None:
# print(f"SHOWING {self}") # print(f"SHOWING {self}")
@ -199,8 +230,8 @@ class CompleterView(QTreeView):
self.resizeColumnToContents(i) self.resizeColumnToContents(i)
# inclusive of search bar and header "rows" in pixel terms # inclusive of search bar and header "rows" in pixel terms
rows = model.rowCount() + 2 rows = 100
print(f'row count: {rows}') # print(f'row count: {rows}')
# max_rows = 8 # 6 + search and headers # max_rows = 8 # 6 + search and headers
row_px = self.rowHeight(self.currentIndex()) row_px = self.rowHeight(self.currentIndex())
# print(f'font_h: {font_h}\n px_height: {px_height}') # print(f'font_h: {font_h}\n px_height: {px_height}')
@ -209,6 +240,41 @@ class CompleterView(QTreeView):
self.setMinimumSize(self.width(), rows * row_px) self.setMinimumSize(self.width(), rows * row_px)
self.setMaximumSize(self.width(), rows * row_px) self.setMaximumSize(self.width(), rows * row_px)
def select_previous(self) -> QModelIndex:
cidx = self.currentIndex()
nidx = self.indexAbove(cidx)
if nidx.parent() is QModelIndex():
nidx = self.indexAbove(cidx)
breakpoint()
return nidx
def select_next(self) -> QModelIndex:
cidx = self.currentIndex()
nidx = self.indexBelow(cidx)
if nidx.parent() is QModelIndex():
nidx = self.indexBelow(cidx)
breakpoint()
return nidx
def select_from_idx(
self,
idx: QModelIndex,
) -> None:
sel = self.selectionModel()
model = self.model()
# select first indented entry
if idx == model.index(0, 0):
idx = self.select_next()
sel.setCurrentIndex(
idx,
QItemSelectionModel.ClearAndSelect |
QItemSelectionModel.Rows
)
# def find_matches( # def find_matches(
# self, # self,
# field: str, # field: str,
@ -241,6 +307,7 @@ class SearchBar(QtWidgets.QLineEdit):
self.chart_app = parent_chart self.chart_app = parent_chart
# size it as we specify # size it as we specify
# https://doc.qt.io/qt-5/qsizepolicy.html#Policy-enum
self.setSizePolicy( self.setSizePolicy(
QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed,
QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed,
@ -366,12 +433,15 @@ async def fill_results(
) )
bar.show() bar.show()
# ensure we select first indented entry
view.select_from_idx(sel.currentIndex())
class SearchWidget(QtGui.QWidget): class SearchWidget(QtGui.QWidget):
def __init__( def __init__(
self, self,
chart_space: 'ChartSpace', # type: ignore # noqa chart_space: 'ChartSpace', # type: ignore # noqa
columns: List[str] = ['src', 'i', 'symbol'], columns: List[str] = ['src', 'symbol'],
parent=None, parent=None,
): ):
super().__init__(parent or chart_space) super().__init__(parent or chart_space)
@ -379,13 +449,16 @@ class SearchWidget(QtGui.QWidget):
# size it as we specify # size it as we specify
self.setSizePolicy( self.setSizePolicy(
QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed,
QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Expanding,
) )
self.chart_app = chart_space self.chart_app = chart_space
self.vbox = QtGui.QVBoxLayout(self) self.vbox = QtGui.QVBoxLayout(self)
self.vbox.setContentsMargins(0, 0, 0, 0) self.vbox.setContentsMargins(0, 0, 0, 0)
self.vbox.setSpacing(2) self.vbox.setSpacing(4)
# https://doc.qt.io/qt-5/qlayout.html#SizeConstraint-enum
# self.vbox.setSizeConstraint(QLayout.SetMaximumSize)
self.view = CompleterView( self.view = CompleterView(
parent=self, parent=self,
@ -400,7 +473,6 @@ class SearchWidget(QtGui.QWidget):
self.vbox.setAlignment(self.bar, Qt.AlignTop | Qt.AlignLeft) self.vbox.setAlignment(self.bar, Qt.AlignTop | Qt.AlignLeft)
self.vbox.addWidget(self.bar.view) self.vbox.addWidget(self.bar.view)
self.vbox.setAlignment(self.view, Qt.AlignTop | Qt.AlignLeft) self.vbox.setAlignment(self.view, Qt.AlignTop | Qt.AlignLeft)
# self.vbox.addWidget(sel.bar.view)
async def handle_keyboard_input( async def handle_keyboard_input(
@ -439,7 +511,18 @@ async def handle_keyboard_input(
async for key, mods, txt in recv_chan: async for key, mods, txt in recv_chan:
log.debug(f'key: {key}, mods: {mods}, txt: {txt}') log.debug(f'key: {key}, mods: {mods}, txt: {txt}')
nidx = cidx = view.currentIndex() # parent = view.currentIndex()
cidx = sel.currentIndex()
# view.select_from_idx(nidx)
# if cidx == model.index(0, 0):
# print('uhh')
# cidx = view.select_next()
# sel.setCurrentIndex(
# cidx,
# QItemSelectionModel.ClearAndSelect |
# QItemSelectionModel.Rows
# )
ctrl = False ctrl = False
if mods == Qt.ControlModifier: if mods == Qt.ControlModifier:
@ -447,9 +530,12 @@ async def handle_keyboard_input(
if key in (Qt.Key_Enter, Qt.Key_Return): if key in (Qt.Key_Enter, Qt.Key_Return):
node = model.item(nidx.row(), 2) # TODO: get rid of this hard coded column -> 1
# https://doc.qt.io/qt-5/qstandarditemmodel.html#itemFromIndex
node = model.itemFromIndex(cidx.siblingAtColumn(1))
if node: if node:
value = node.text() value = node.text()
# print(f' value: {value}')
else: else:
continue continue
@ -489,24 +575,25 @@ async def handle_keyboard_input(
_search_enabled = False _search_enabled = False
if key == Qt.Key_K: if key == Qt.Key_K:
nidx = view.indexAbove(cidx) nidx = view.select_previous()
elif key == Qt.Key_J: elif key == Qt.Key_J:
nidx = view.indexBelow(cidx) nidx = view.select_next()
# select row without selecting.. :eye_rollzz: # select row without selecting.. :eye_rollzz:
# https://doc.qt.io/qt-5/qabstractitemview.html#setCurrentIndex # https://doc.qt.io/qt-5/qabstractitemview.html#setCurrentIndex
if nidx.isValid(): if nidx.isValid():
sel.setCurrentIndex( view.select_from_idx(nidx)
nidx, # sel.setCurrentIndex(
QItemSelectionModel.ClearAndSelect | # nidx,
QItemSelectionModel.Rows # QItemSelectionModel.ClearAndSelect |
) # QItemSelectionModel.Rows
# )
# TODO: make this not hard coded to 2 # TODO: make this not hard coded to 2
# and use the ``CompleterView`` schema/settings # and use the ``CompleterView`` schema/settings
# to figure out the desired field(s) # to figure out the desired field(s)
value = model.item(nidx.row(), 2).text() # value = model.item(nidx.row(), 0).text()
else: else:
# relay to completer task # relay to completer task
_search_enabled = True _search_enabled = True