class HelpWidget(QDockWidget):
def __init__(self):
super(HelpWidget, self).__init__()
# TODO: ovo treba da bude kao neki widget u koji moze da se unese instrukcija ili registar ili direktiva
# TODO: pa mu se onda ispise neki uredjeni HTML kao onaj tekst iz praktikuma sta ta kljucna rec znaci
# TODO: mozda da se ispisu i neki odabrani algoritmi npr. sabiranje u dvostrukoj preciznosti sa ilustracijama
# TODO: ili iteriranje kroz niz
self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
self.setMinimumWidth(200)
self.setStyleSheet("background-color: #2D2D30; color: white;")
self.searchLabel = QLineEdit()
self.searchLabel.setPlaceholderText("Search for an instruction...")
self.completer = QCompleter(list(InstructionsInfo.INFO.keys()), self)
self.completer.setCaseSensitivity(Qt.CaseInsensitive)
self.completer.popup().setStyleSheet(
"background-color: #2D2D30; color: white")
self.searchLabel.setCompleter(self.completer)
self.searchLabel.setStyleSheet(
"margin-bottom: 10px; margin-top: 10px;")
self.setTitleBarWidget(self.searchLabel)
self.setFeatures(QDockWidget.DockWidgetMovable
| QDockWidget.DockWidgetClosable)
self.setWindowTitle("Instructions help")
self.resultBox = QTextEdit()
self.resultBox.setReadOnly(True)
self.setWidget(self.resultBox)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Return and self.searchLabel.hasFocus():
seachWord = self.searchLabel.text().strip()
if seachWord in InstructionsInfo.INFO:
self.resultBox.setHtml(InstructionsInfo.INFO[seachWord])
super(HelpWidget, self).keyPressEvent(event)
class QFilteredComboBox(QComboBox):
def __init__(
self,
parent=None,
include_targets=True,
include_airbases=True,
include_frontlines=True,
include_units=True,
include_enemy=True,
include_friendly=True,
):
super(QFilteredComboBox, self).__init__(parent)
self.setFocusPolicy(Qt.StrongFocus)
self.setEditable(True)
self.completer = QCompleter(self)
self.include_targets = include_targets
self.include_airbases = include_airbases
self.include_frontlines = include_frontlines
self.include_units = include_units
self.include_enemy = include_enemy
self.include_friendly = include_friendly
# always show all completions
self.completer.setCompletionMode(QCompleter.UnfilteredPopupCompletion)
self.pFilterModel = QSortFilterProxyModel(self)
self.pFilterModel.setFilterCaseSensitivity(Qt.CaseInsensitive)
self.completer.setPopup(self.view())
self.setCompleter(self.completer)
self.lineEdit().textEdited.connect(self.pFilterModel.setFilterFixedString)
self.completer.activated.connect(self.setTextIfCompleterIsClicked)
def setModel(self, model):
super(QFilteredComboBox, self).setModel(model)
self.pFilterModel.setSourceModel(model)
self.completer.setModel(self.pFilterModel)
self.model().sort(0)
def setModelColumn(self, column):
self.completer.setCompletionColumn(column)
self.pFilterModel.setFilterKeyColumn(column)
super(QFilteredComboBox, self).setModelColumn(column)
def view(self):
return self.completer.popup()
def index(self):
return self.currentIndex()
def setTextIfCompleterIsClicked(self, text):
if text:
index = self.findText(text)
self.setCurrentIndex(index)
class SearchEdit(QLineEdit):
def __init__(self, parent: QWidget):
QLineEdit.__init__(self, parent)
self.completer = None
def init_completer(self, words: Iterable[str]) -> None:
assert self.completer is None
self.completer = QCompleter(list(words), self)
self.completer.setWidget(self)
self.completer.setCompletionMode(QCompleter.PopupCompletion)
self.completer.setCaseSensitivity(Qt.CaseInsensitive)
self.completer.activated.connect(self.on_insert_completion)
def completer(self) -> QCompleter:
return self.completer
def on_insert_completion(self, completion):
if self.completer.widget() != self:
return
prefix = self.completer.completionPrefix()
extra_text = completion[len(prefix):] + ', '
self.insert(extra_text)
def text_under_cursor(self) -> str:
text = self.text()
cursor_pos = self.cursorPosition()
start_index = None
comma_index1 = text[:cursor_pos].rfind(',')
if comma_index1 >= 0:
start_index = comma_index1 + 1
end_index = None
comma_index2 = text[cursor_pos:].find(',')
if comma_index2 >= 0:
end_index = cursor_pos + comma_index2
return text[start_index:end_index].strip()
def focus_in_event(self, event: QFocusEvent) -> None:
if self.completer:
self.completer.setWidget(self)
QLineEdit.focusInEvent(self, event)
def keyPressEvent(self, key_event: QKeyEvent) -> None:
if self.completer and self.completer.popup().isVisible():
# The following keys are forwarded by the completer to the widget
key = key_event.key()
if key in (Qt.Key_Enter, Qt.Key_Return, Qt.Key_Escape, Qt.Key_Tab,
Qt.Key_Backtab):
key_event.ignore()
return # let the completer do default behavior
is_ctrl_modifier = (key_event.modifiers() & Qt.ControlModifier) != 0
is_shift_modifier = (key_event.modifiers() & Qt.ShiftModifier) != 0
ctrl_or_shift = is_ctrl_modifier or is_shift_modifier
is_shortcut = is_ctrl_modifier and key_event.key(
) == Qt.Key_E # CTRL+E
if not self.completer or not is_shortcut: # do not process the shortcut when we have a completer
QLineEdit.keyPressEvent(self, key_event)
if not self.completer or ctrl_or_shift and key_event.text() == '':
return
eow = "~!@#$%^&*()_+{}|:\"<>?,./;'[]\\-=" # end of word
has_modifier = (key_event.modifiers() !=
Qt.NoModifier) and not ctrl_or_shift
completion_prefix = self.text_under_cursor()
if not is_shortcut:
event_text = key_event.text()
if has_modifier or not event_text or len(
completion_prefix) < 1 or event_text[-1] in eow:
self.completer.popup().hide()
return
if completion_prefix != self.completer.completionPrefix():
self.completer.setCompletionPrefix(completion_prefix)
self.completer.popup().setCurrentIndex(
self.completer.completionModel().index(0, 0))
cr = self.cursorRect()
cr.setWidth(
self.completer.popup().sizeHintForColumn(0) +
self.completer.popup().verticalScrollBar().sizeHint().width())
self.completer.complete(cr) # popup it up!
