def eventFilter(self, object: QObject, event: QEvent):
if event.type() == QEvent.MouseButtonPress:
pass
# 1. 如果主窗口被激活, 关闭子窗口
if event.type() == QEvent.WindowActivate:
if not self.add_music_list_dialog.isHidden():
self.add_music_list_dialog.hide()
# 2. 如果左下缩放按钮被鼠标左键拖动, 则缩放窗口
if object == self.btn_zoom and event.type(
) == QEvent.MouseMove and event.buttons() == Qt.LeftButton:
global_x = event.globalX()
global_y = event.globalY()
window_global_x = self.x()
window_global_y = self.y()
width = global_x - window_global_x
heigth = global_y - window_global_y
self.setGeometry(window_global_x, window_global_y, width, heigth)
if object == self.header and type(
event) == QMouseEvent and event.buttons() == Qt.LeftButton:
# 如果标题栏被双击
if event.type() == QEvent.MouseButtonDblClick:
self.show_maximized_normal()
# 记录拖动标题栏的位置
elif event.type() == QEvent.MouseButtonPress:
self.point = event.globalPos() - self.frameGeometry().topLeft()
# 如果标题栏被拖动
elif event.type() == QEvent.MouseMove:
# print(self.frameGeometry().y())
# if self.frameGeometry().y() <= 0:
# self.show_maximized_normal()
if self.windowState() == Qt.WindowNoState:
self.move(event.globalPos() - self.point)
# 3. 当鼠标移动到music_image时显示遮罩层
if object == self.btn_music_image:
if event.type() == QEvent.Enter:
self.music_image_label.setGeometry(
self.btn_music_image.geometry())
self.music_image_label.show()
if object == self.music_image_label:
if event.type() == QEvent.Leave:
self.music_image_label.hide()
if event.type() == QEvent.MouseButtonPress:
self.change_to_play_page()
# 4.
if object == self.label_lyric:
if event.type() == QEvent.Wheel:
self.is_wheeling = True
else:
self.is_wheeling = False
# print("eventfilter: " + str(self.is_wheeling))
return super().eventFilter(object, event)
def eventFilter(self, obj: QObject, event: QEvent):
if event.type() == QEvent.MouseButtonPress:
if not self.playlistDialog.isHidden():
self.playlistDialog.hide()
# 1. 如果主窗口被激活, 关闭子窗口
if event.type() == QEvent.WindowActivate:
if not self.playlistDialog.isHidden():
self.playlistDialog.hide()
# 2. 如果左下缩放按钮被鼠标左键拖动, 则缩放窗口
if obj == self.btn_zoom and event.type(
) == QEvent.MouseMove and event.buttons() == Qt.LeftButton:
width = event.globalX() - self.x()
height = event.globalY() - self.y()
self.setGeometry(self.x(), self.y(), width, height)
if obj == self.header and type(
event) == QMouseEvent and event.buttons() == Qt.LeftButton:
# 如果标题栏被双击
if event.type() == QEvent.MouseButtonDblClick:
self.showMaximizedNormal()
# 记录拖动标题栏的位置
elif event.type() == QEvent.MouseButtonPress:
self.point = event.globalPos() - self.frameGeometry().topLeft()
# 如果标题栏被拖动
elif event.type() == QEvent.MouseMove:
if self.windowState() == Qt.WindowNoState:
self.move(event.globalPos() - self.point)
# 3. 当鼠标移动到music_image时显示遮罩层
if obj == self.btn_music_image:
if event.type() == QEvent.Enter:
self.music_image_label.setGeometry(
self.btn_music_image.geometry())
self.music_image_label.show()
if obj == self.music_image_label:
if event.type() == QEvent.Leave:
self.music_image_label.hide()
if event.type() == QEvent.MouseButtonPress:
self.change2playPage()
# 4.
if obj == self.label_lyric:
if event.type() == QEvent.Wheel:
self.is_wheeling = True
else:
self.is_wheeling = False
return super().eventFilter(obj, event)
def eventFilter(self, source: QObject, event: QEvent) -> bool:
if event.type() != QEvent.ContextMenu or (source is not self.bookmarksTable and source is not self.notesTable) \
or (self.bookmarksTable.currentIndex().row() < 0 and self.notesTable.currentIndex().row() < 0):
return super().eventFilter(source, event)
index = source.currentIndex().row()
source.selectRow(index)
if not self.contextMenu.exec_(event.globalPos()):
source.setCurrentIndex(QModelIndex())
return True
def event(self, event: QEvent) -> bool:
if event.type() == QEvent.ToolTip:
tt = self.isValidIndex(self._hoverIndex) and self.tabToolTip(
self._hoverIndex)
if tt:
QToolTip.showText(event.globalPos(), tt, self, self._hoverRect)
else:
QToolTip.hideText()
event.ignore()
return True
return super().event(event)
def eventFilter(self, source: QObject, event: QEvent) -> bool:
if event.type() == QEvent.KeyPress and source is self.searchBar:
if event.key() == Qt.Key_Enter - 1:
self.search_in_table()
return True
if event.type(
) == QEvent.ContextMenu and source is self.table and self.table.currentIndex(
).row() >= 0:
index = self.table.currentIndex().row()
self.table.selectRow(index)
if not self.context_table_menu.exec_(event.globalPos()):
self.table.setCurrentIndex(QModelIndex())
return True
return super().eventFilter(source, event)
def eventFilter(self, obj: QObject, event: QEvent) -> None:
if self.currentlySelectingNewOrigin:
et = event.type()
if et == QEvent.MouseMove:
np = self.rasterSurface.mapFromGlobal(event.globalPos())
self.originPoint.x, self.originPoint.y = \
np.x(), \
self.rasterSurface.height() - np.y()
self.rasterSurface.repaint()
elif et == QEvent.MouseButtonRelease:
self.endSelectNewOriginPoint()
elif et == QEvent.KeyRelease:
key = event.key()
if key == Qt.Key_Escape:
self.endSelectNewOriginPoint(False)
return False
def eventFilter(self, obj: QObject, event: QEvent) -> None:
if obj is not self.rasterSurface or self._editingPolygon is None:
return False
et = event.type()
if et == QEvent.MouseMove:
self._cursorPos = self.rasterSurface.mapFromGlobal(
event.globalPos()
)
if self._editingPolygon is not None:
if self._highlightedPoint is not None and \
self._highlightedPointActive:
self._highlightedPoint.x, self._highlightedPoint.y = \
self._cursorPos.x(), \
self.rasterSurface.height() - self._cursorPos.y()
self._editingPolygon.update_cache()
self.rasterSurface.repaint()
elif self._editingPolygon is not None:
if et == QEvent.MouseButtonPress:
np = self._cursorPos
if self.rasterSurface.geometry().contains(np):
x = np.x()
y = np.y()
height = self.rasterSurface.height()
for p in self._editingPolygon.points:
if abs(x - p.x) <= 5 and abs(y - height + p.y) <= 5:
self._highlightedPoint = p
self._highlightedPointActive = True
self.rasterSurface.repaint()
break
elif et == QEvent.MouseButtonRelease:
# self._highlightedPoint = None
self._highlightedPointActive = False
self.rasterSurface.repaint()
elif et == QEvent.KeyRelease:
key = event.key()
if key == Qt.Key_Return or key == Qt.Key_Enter:
self.endEditing(True)
elif key == Qt.Key_Escape:
self.endEditing(False)
return False
def eventFilter(self, obj: QObject, event: QEvent) -> None:
if obj is not self.rasterSurface:
return False
et = event.type()
if et == QEvent.MouseMove:
self._cursorPos = self.rasterSurface.mapFromGlobal(
event.globalPos())
if self._editingPolygon is not None:
self.rasterSurface.repaint()
elif self._editingPolygon is not None:
if et == QEvent.MouseButtonPress:
pass
elif et == QEvent.MouseButtonRelease:
np = self._cursorPos
if self.rasterSurface.geometry().contains(np):
x = np.x()
y = np.y()
if self._editingPolygon.length <= 0:
self._firstPolygonPoint = np
elif abs(x - self._firstPolygonPoint.x()) <= 5 and \
abs(y - self._firstPolygonPoint.y()) < 5:
self.endEditing() # the last point == first point
return False
self._editingPolygon.add_point(
x,
self.rasterSurface.height() - y)
elif et == QEvent.KeyRelease:
key = event.key()
if key == Qt.Key_Return or key == Qt.Key_Enter:
self.endEditing(self._editingPolygon.length >= 3)
elif key == Qt.Key_Escape:
self.endEditing(False)
return False
