class FormMidContextWidget(QtWidgets.QWidget):
#定义成员变量
#定义信号
def __init__(self):
super().__init__()
self.__initForm()
self.__loadMusicLibraryListWidgetData()
self.__loadSongsNameListWidgetData()
self.__loadCollectionMusicListWidgetData()
def __initForm(self):
self.mainLayout = QHBoxLayout()
self.mainLayout.setContentsMargins(1, 1, 1, 1)
self.contextFrame = QtWidgets.QFrame()
self.contextFrame.setObjectName("contextFrame")
self.midContextLayout = QHBoxLayout()
self.midContextLayout.setSpacing(1)
self.midContextLayout.setContentsMargins(0, 1, 0, 1)
self.midLeftFrame = QtWidgets.QFrame()
self.midLeftFrame.setObjectName("midLeftFrame")
self.midLeftLayout = QVBoxLayout()
self.midLeftFrame.setLayout(self.midLeftLayout)
self.midLeftLayout.setSpacing(0)
self.midLeftLayout.setContentsMargins(2, 2, 2, 2)
self.musicLibraryTitleLabel = QLabel("音乐库")
self.textFont = QFont("微软雅黑", 11)
self.textFont.setBold(True)
self.musicLibraryTitleLabel.setFont(self.textFont)
self.musicLibraryListView = QListView()
self.musicLibraryListView.setFixedHeight(140)
self.musicLibraryListView.setObjectName('musicLibraryListView')
self.musicLibraryListView.setFixedWidth(190)
self.localCollectionTitleLabel = QLabel("本地收藏")
self.localCollectionTitleLabel.setFont(self.textFont)
self.localCollectionListView = QListView()
self.localCollectionListView.setObjectName('localCollectionListView')
self.localCollectionListView.setFixedWidth(190)
self.songsNameListTitleLabel = QLabel("歌单列表")
self.songsNameListTitleLabel.setFont(self.textFont)
self.songsNameListView = QListView()
self.songsNameListView.setObjectName('songsNameListView')
self.songsNameListView.setFixedWidth(190)
self.songsNameListView.setFixedHeight(300)
self.midLeftLayout.addWidget(self.musicLibraryTitleLabel)
self.midLeftLayout.addWidget(self.musicLibraryListView)
self.midLeftLayout.addWidget(self.songsNameListTitleLabel)
self.midLeftLayout.addWidget(self.songsNameListView)
self.midLeftLayout.addWidget(self.localCollectionTitleLabel)
self.midLeftLayout.addWidget(self.localCollectionListView)
self.rightContextStackWidget = QStackedWidget()
self.testLabel = QLabel()
self.testLabel.setScaledContents(True)
self.testLabel.setPixmap(
QPixmap(":/icon/Resources/icon/icon-meinv.jpg").scaled(
self.testLabel.width(), self.testLabel.height(),
Qt.KeepAspectRatio, Qt.SmoothTransformation))
self.rightContextStackWidget.addWidget(self.testLabel)
self.midContextLayout.addWidget(self.midLeftFrame)
self.midContextLayout.addWidget(self.rightContextStackWidget)
self.midContextLayout.setStretch(0, 0)
self.midContextLayout.setStretch(1, 1)
self.contextFrame.setLayout(self.midContextLayout)
self.mainLayout.addWidget(self.contextFrame)
self.setLayout(self.mainLayout)
def __loadMusicLibraryListWidgetData(self):
self.textFont = QFont("微软雅黑", 11)
self.localMusicItemData = QStandardItem("本地音乐")
self.localMusicItemData.setFont(self.textFont)
self.localMusicItemData.setEditable(False)
self.localMusicItemData.setData(
QIcon(":/icon/Resources/icon/icon-localmusic.svg"),
Qt.DecorationRole)
self.wangyiYunItemData = QStandardItem("网易云音乐")
self.wangyiYunItemData.setFont(self.textFont)
self.wangyiYunItemData.setEditable(False)
self.wangyiYunItemData.setData(
QIcon(":/icon/Resources/icon/icon-wangyiyunmusic.svg"),
Qt.DecorationRole)
self.qqMusicItemData = QStandardItem("QQ音乐")
self.qqMusicItemData.setFont(self.textFont)
self.qqMusicItemData.setEditable(False)
self.qqMusicItemData.setData(
QIcon(":/icon/Resources/icon/icon-qqmusic.svg"), Qt.DecorationRole)
self.xiaMiItemData = QStandardItem("虾米音乐")
self.xiaMiItemData.setFont(self.textFont)
self.xiaMiItemData.setEditable(False)
self.xiaMiItemData.setData(
QIcon(":/icon/Resources/icon/icon-xiamimusic.svg"),
Qt.DecorationRole)
self.musicLibraryModel = QStandardItemModel()
self.musicLibraryModel.appendRow(self.localMusicItemData)
self.musicLibraryModel.appendRow(self.wangyiYunItemData)
self.musicLibraryModel.appendRow(self.qqMusicItemData)
self.musicLibraryModel.appendRow(self.xiaMiItemData)
self.musicLibraryListView.setSpacing(2)
self.musicLibraryListView.setModel(self.musicLibraryModel)
def __loadSongsNameListWidgetData(self):
self.wubaiItemData = QStandardItem("伍佰&China blue")
self.textFont = QFont("微软雅黑", 11)
self.wubaiItemData.setFont(self.textFont)
self.wubaiItemData.setEditable(False)
self.wubaiItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.zongguanxianItemData = QStandardItem("纵贯线")
self.zongguanxianItemData.setFont(self.textFont)
self.zongguanxianItemData.setEditable(False)
self.zongguanxianItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.zhaoleiItemData = QStandardItem("赵雷专辑")
self.zhaoleiItemData.setFont(self.textFont)
self.zhaoleiItemData.setEditable(False)
self.zhaoleiItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.xuweiItemData = QStandardItem("许巍专辑")
self.xuweiItemData.setFont(self.textFont)
self.xuweiItemData.setEditable(False)
self.xuweiItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.zhouhuajianItemData = QStandardItem("周华健专辑")
self.zhouhuajianItemData.setFont(self.textFont)
self.zhouhuajianItemData.setEditable(False)
self.zhouhuajianItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.banderuiItemData = QStandardItem("班得瑞专辑")
self.banderuiItemData.setFont(self.textFont)
self.banderuiItemData.setEditable(False)
self.banderuiItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.yaogunItemData = QStandardItem("摇滚专辑")
self.yaogunItemData.setFont(self.textFont)
self.yaogunItemData.setEditable(False)
self.yaogunItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.yinshiyuanshenItemData = QStandardItem("影视原声")
self.yinshiyuanshenItemData.setFont(self.textFont)
self.yinshiyuanshenItemData.setEditable(False)
self.yinshiyuanshenItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.minyaoItemData = QStandardItem("民谣专辑")
self.minyaoItemData.setFont(self.textFont)
self.minyaoItemData.setEditable(False)
self.minyaoItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.tianlaizhiyinItemData = QStandardItem("天籁之音")
self.tianlaizhiyinItemData.setFont(self.textFont)
self.tianlaizhiyinItemData.setEditable(False)
self.tianlaizhiyinItemData.setData(
QIcon(":/icon/Resources/icon/icon-gedanlist.svg"),
Qt.DecorationRole)
self.songsNameListModel = QStandardItemModel()
self.songsNameListModel.appendRow(self.wubaiItemData)
self.songsNameListModel.appendRow(self.zongguanxianItemData)
self.songsNameListModel.appendRow(self.zhaoleiItemData)
self.songsNameListModel.appendRow(self.xuweiItemData)
self.songsNameListModel.appendRow(self.zhouhuajianItemData)
self.songsNameListModel.appendRow(self.banderuiItemData)
self.songsNameListModel.appendRow(self.yaogunItemData)
self.songsNameListModel.appendRow(self.yinshiyuanshenItemData)
self.songsNameListModel.appendRow(self.minyaoItemData)
self.songsNameListModel.appendRow(self.tianlaizhiyinItemData)
self.songsNameListView.setSpacing(2)
self.songsNameListView.setModel(self.songsNameListModel)
def __loadCollectionMusicListWidgetData(self):
self.jingdianItemData = QStandardItem("经典老歌")
self.textFont = QFont("微软雅黑", 11)
self.jingdianItemData.setFont(self.textFont)
self.jingdianItemData.setEditable(False)
self.jingdianItemData.setData(
QIcon(":/icon/Resources/icon/icon-collectionmusic.svg"),
Qt.DecorationRole)
self.qinyinyueItemData = QStandardItem("轻音乐系")
self.qinyinyueItemData.setFont(self.textFont)
self.qinyinyueItemData.setEditable(False)
self.qinyinyueItemData.setData(
QIcon(":/icon/Resources/icon/icon-collectionmusic.svg"),
Qt.DecorationRole)
self.jitaxilieItemData = QStandardItem("吉他系列")
self.jitaxilieItemData.setFont(self.textFont)
self.jitaxilieItemData.setEditable(False)
self.jitaxilieItemData.setData(
QIcon(":/icon/Resources/icon/icon-collectionmusic.svg"),
Qt.DecorationRole)
self.remengequItemData = QStandardItem("热门歌曲")
self.remengequItemData.setFont(self.textFont)
self.remengequItemData.setEditable(False)
self.remengequItemData.setData(
QIcon(":/icon/Resources/icon/icon-collectionmusic.svg"),
Qt.DecorationRole)
self.songsNameModel = QStandardItemModel()
self.songsNameModel.appendRow(self.jingdianItemData)
self.songsNameModel.appendRow(self.qinyinyueItemData)
self.songsNameModel.appendRow(self.jitaxilieItemData)
self.songsNameModel.appendRow(self.remengequItemData)
self.localCollectionListView.setSpacing(2)
self.localCollectionListView.setModel(self.songsNameModel)
class Completer(QWidget):
"""docstring for ClassName
Attributes:
delegate (CompleterDelegate): the delegate use by the view
model (CompleterModel): the model
proxy_model (QSortFilterProxyModel ): the proxy model used to filter model
panel (QLabel): The description widget
view (QListView): the view
Signals:
activated (str): return the keyword selected
"""
activated = Signal(str)
def __init__(self, parent=None):
super().__init__(parent)
self._target = None
self._completion_prefix = ""
self.setWindowFlag(Qt.Popup)
self.setFocusPolicy(Qt.NoFocus)
# create model
self.model = CompleterModel()
self.proxy_model = QSortFilterProxyModel()
self.proxy_model.setSourceModel(self.model)
self.proxy_model.setFilterCaseSensitivity(Qt.CaseInsensitive)
# create delegate
self.delegate = CompleterDelegate()
# create view
self.view = QListView()
self.view.setSelectionMode(QAbstractItemView.SingleSelection)
self.view.setFocusPolicy(Qt.NoFocus)
self.view.installEventFilter(self)
self.view.setModel(self.proxy_model)
self.view.setItemDelegate(self.delegate)
self.view.setMinimumWidth(200)
self.view.setUniformItemSizes(True)
self.view.setSpacing(0)
self.view.selectionModel().currentRowChanged.connect(
self._on_row_changed)
self.setFocusProxy(self.view)
# create panel info
self.panel = QLabel()
self.panel.setAlignment(Qt.AlignTop)
self.panel.setMinimumWidth(300)
self.panel.setWordWrap(True)
self.panel.setFrameShape(QFrame.StyledPanel)
# Create layout
vlayout = QHBoxLayout()
vlayout.setContentsMargins(0, 0, 0, 0)
vlayout.setSpacing(0)
vlayout.addWidget(self.view)
vlayout.addWidget(self.panel)
self.setLayout(vlayout)
def set_target(self, target):
"""Set CodeEdit
Args:
target (CodeEdit): The CodeEdit
"""
self._target = target
self.installEventFilter(self._target)
def eventFilter(self, obj: QObject, event: QEvent) -> bool:
"""Filter event from CodeEdit and QListView
Args:
obj (QObject): Description
event (QEvent): Description
Returns:
bool
"""
# Intercept CodeEdit event
if obj == self._target:
if event.type() == QEvent.FocusOut:
# Ignore lost focus!
return True
else:
obj.event(event)
return True
# Intercept QListView event
if obj == self.view:
# Redirect event to QTextExit
if event.type() == QEvent.KeyPress and self._target:
current = self.view.selectionModel().currentIndex()
# emit signal when user press return
if event.key() == Qt.Key_Return:
word = current.data()
self.activated.emit(word)
self.hide()
event.ignore()
return True
# use tab to move down/up in the list
if event.key() == Qt.Key_Tab:
if current.row() < self.proxy_model.rowCount() - 1:
self.view.setCurrentIndex(
self.proxy_model.index(current.row() + 1, 0))
if event.key() == Qt.Key_Backtab:
if current.row() > 0:
self.view.setCurrentIndex(
self.proxy_model.index(current.row() - 1, 0))
# Route other key event to the target ! This make possible to write text when completer is visible
self._target.event(event)
return super().eventFilter(obj, event)
def complete(self, rect: QRect):
"""Show completer as popup
Args:
rect (QRect): the area where to display the completer
"""
if self.proxy_model.rowCount() == 0:
self.hide()
return
if self._target:
pos = self._target.mapToGlobal(rect.bottomRight())
self.move(pos)
self.setFocus()
if not self.isVisible():
width = 400
#height = self.view.sizeHintForRow(0) * self.proxy_model.rowCount() + 3
# HACK.. TODO better !
#height = min(self._target.height() / 2, height)
#self.resize(width, height)
self.adjustSize()
self.show()
def set_completion_prefix(self, prefix: str):
"""Set prefix and filter model
Args:
prefix (str): A prefix keyword used to filter model
"""
self.view.clearSelection()
self._completion_prefix = prefix
self.proxy_model.setFilterRegularExpression(
QRegularExpression(f"^{prefix}.*",
QRegularExpression.CaseInsensitiveOption))
if self.proxy_model.rowCount() > 0:
self.select_row(0)
def select_row(self, row: int):
"""Select a row in the model
Args:
row (int): a row number
"""
index = self.proxy_model.index(row, 0)
self.view.selectionModel().setCurrentIndex(index,
QItemSelectionModel.Select)
def completion_prefix(self) -> str:
"""getter of completion_prefix
TODO: use getter / setter
Returns:
str: Return the completion_prefix
"""
return self._completion_prefix
def hide(self):
"""Override from QWidget
Hide the completer
"""
self.set_completion_prefix("")
super().hide()
def _on_row_changed(self, current: QModelIndex, previous: QModelIndex):
"""Slot received when user select a new item in the list.
This is used to update the panel
Args:
current (QModelIndex): the selection index
previous (QModelIndex): UNUSED
"""
description = current.data(Qt.ToolTipRole)
self.panel.setText(description)
