Attempt to keep selected item highlighted
This attempt was unsuccessful since trying to (re)select the last highlighted item on both an "enter" or "click" of that item causes a hang and then segfault in `Qt`; no clue why.. Adds a `keep_current_item_selected: bool` flag to `CompleterView.show_cache_entries()` but using it seems to always cause a hang and crash; we keep all potential use spots commented for now obviously to avoid this. Also included is a bunch of tidying to logic blocks in the kb-control loop for readability.epoch_index_backup
Tyler Goodlet
parent
dd292b3652
commit
e2e3e30d7a
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@ -144,15 +144,29 @@ class CompleterView(QTreeView):
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self._font_size: int = 0 # pixels
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self._init: bool = False
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async def on_pressed(self, idx: QModelIndex) -> None:
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async def on_pressed(
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self,
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idx: QModelIndex,
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) -> None:
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'''
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Mouse pressed on view handler.
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'''
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search = self.parent()
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await search.chart_current_item()
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await search.chart_current_item(
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clear_to_cache=True,
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)
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# XXX: this causes Qt to hang and segfault..lovely
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# self.show_cache_entries(
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# only=True,
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# keep_current_item_selected=True,
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# )
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search.focus()
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def set_font_size(self, size: int = 18):
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# print(size)
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if size < 0:
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@ -288,7 +302,7 @@ class CompleterView(QTreeView):
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def select_first(self) -> QStandardItem:
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'''
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Select the first depth >= 2 entry from the completer tree and
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return it's item.
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return its item.
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'''
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# ensure we're **not** selecting the first level parent node and
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@ -615,6 +629,8 @@ class SearchWidget(QtWidgets.QWidget):
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def show_cache_entries(
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self,
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only: bool = False,
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keep_current_item_selected: bool = False,
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) -> None:
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'''
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Clear the search results view and show only cached (aka recently
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@ -629,6 +645,10 @@ class SearchWidget(QtWidgets.QWidget):
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for fqsn in set(multi_fqsns):
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fqsns.add(fqsn)
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if keep_current_item_selected:
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sel = self.view.selectionModel()
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cidx = sel.currentIndex()
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self.view.set_section_entries(
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'cache',
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list(fqsns),
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@ -637,7 +657,17 @@ class SearchWidget(QtWidgets.QWidget):
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reverse=True,
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)
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def get_current_item(self) -> Optional[tuple[str, str]]:
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if (
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keep_current_item_selected
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and cidx.isValid()
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):
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# set current selection back to what it was before filling out
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# the view results.
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self.view.select_from_idx(cidx)
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else:
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self.view.select_first()
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def get_current_item(self) -> tuple[QModelIndex, str, str] | None:
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'''
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Return the current completer tree selection as
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a tuple ``(parent: str, child: str)`` if valid, else ``None``.
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@ -665,7 +695,11 @@ class SearchWidget(QtWidgets.QWidget):
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if provider == 'cache':
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symbol, _, provider = symbol.rpartition('.')
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return provider, symbol
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return (
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cidx,
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provider,
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symbol,
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)
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else:
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return None
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@ -686,7 +720,7 @@ class SearchWidget(QtWidgets.QWidget):
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if value is None:
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return None
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provider, symbol = value
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cidx, provider, symbol = value
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godw = self.godwidget
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fqsn = f'{symbol}.{provider}'
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@ -715,7 +749,9 @@ class SearchWidget(QtWidgets.QWidget):
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godw.rt_linked,
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)
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)
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self.show_cache_entries(only=True)
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self.show_cache_entries(
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only=True,
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)
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self.bar.focus()
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return fqsn
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@ -956,11 +992,10 @@ async def handle_keyboard_input(
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global _search_active, _search_enabled
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# startup
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bar = searchbar
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search = searchbar.parent()
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godwidget = search.godwidget
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view = bar.view
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view.set_font_size(bar.dpi_font.px_size)
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searchw = searchbar.parent()
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godwidget = searchw.godwidget
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view = searchbar.view
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view.set_font_size(searchbar.dpi_font.px_size)
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send, recv = trio.open_memory_channel(616)
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async with trio.open_nursery() as n:
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@ -971,13 +1006,13 @@ async def handle_keyboard_input(
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n.start_soon(
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partial(
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fill_results,
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search,
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searchw,
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recv,
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)
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)
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bar.focus()
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search.show_cache_entries()
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searchbar.focus()
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searchw.show_cache_entries()
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await trio.sleep(0)
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async for kbmsg in recv_chan:
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@ -994,16 +1029,24 @@ async def handle_keyboard_input(
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Qt.Key_Return
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):
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_search_enabled = False
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await search.chart_current_item(clear_to_cache=True)
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search.show_cache_entries(only=True)
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await searchw.chart_current_item(clear_to_cache=True)
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# XXX: causes hang and segfault..
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# searchw.show_cache_entries(
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# only=True,
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# keep_current_item_selected=True,
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# )
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view.show_matches()
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search.focus()
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elif not ctl and not bar.text():
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searchw.focus()
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elif (
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not ctl
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and not searchbar.text()
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):
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# TODO: really should factor this somewhere..bc
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# we're doin it in another spot as well..
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search.show_cache_entries(only=True)
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searchw.show_cache_entries(only=True)
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continue
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# cancel and close
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@ -1012,7 +1055,7 @@ async def handle_keyboard_input(
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Qt.Key_Space, # i feel like this is the "native" one
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Qt.Key_Alt,
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}:
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bar.unfocus()
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searchbar.unfocus()
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# kill the search and focus back on main chart
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if godwidget:
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@ -1020,41 +1063,54 @@ async def handle_keyboard_input(
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continue
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if ctl and key in {
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Qt.Key_L,
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}:
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if (
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ctl
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and key in {Qt.Key_L}
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):
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# like url (link) highlight in a web browser
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bar.focus()
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searchbar.focus()
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# selection navigation controls
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elif ctl and key in {
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Qt.Key_D,
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}:
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elif (
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ctl
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and key in {Qt.Key_D}
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):
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view.next_section(direction='down')
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_search_enabled = False
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elif ctl and key in {
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Qt.Key_U,
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}:
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elif (
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ctl
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and key in {Qt.Key_U}
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):
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view.next_section(direction='up')
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_search_enabled = False
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# selection navigation controls
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elif (ctl and key in {
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elif (
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ctl and (
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key in {
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Qt.Key_K,
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Qt.Key_J,
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}
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}) or key in {
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or key in {
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Qt.Key_Up,
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Qt.Key_Down,
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}:
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}
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)
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):
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_search_enabled = False
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if key in {Qt.Key_K, Qt.Key_Up}:
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if key in {
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Qt.Key_K,
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Qt.Key_Up
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}:
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item = view.select_previous()
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elif key in {Qt.Key_J, Qt.Key_Down}:
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elif key in {
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Qt.Key_J,
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Qt.Key_Down,
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}:
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item = view.select_next()
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if item:
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@ -1063,15 +1119,18 @@ async def handle_keyboard_input(
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# if we're in the cache section and thus the next
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# selection is a cache item, switch and show it
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# immediately since it should be very fast.
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if parent_item and parent_item.text() == 'cache':
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await search.chart_current_item(clear_to_cache=False)
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if (
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parent_item
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and parent_item.text() == 'cache'
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):
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await searchw.chart_current_item(clear_to_cache=False)
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# ACTUAL SEARCH BLOCK #
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# where we fuzzy complete and fill out sections.
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elif not ctl:
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# relay to completer task
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_search_enabled = True
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send.send_nowait(search.bar.text())
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send.send_nowait(searchw.bar.text())
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_search_active.set()
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