Нет виджета, который показывает информацию об элементе модели, но вы можете построить виджет на основе делегата и модели:
from PySide import QtCore, QtGui
class ItemView(QtGui.QWidget):
def __init__(self, parent=None):
super(ItemView, self).__init__(parent)
self.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Fixed)
self.m_index = QtCore.QModelIndex()
self.m_model = None
self.m_icon_size = QtCore.QSize()
self.m_text_elide_mode = QtCore.Qt.ElideRight
self.m_wrap_item_text = False
self.m_delegate = QtGui.QStyledItemDelegate(self)
def model(self):
return self.m_model
def setModel(self, model):
self.m_model = model
self.update()
def setItemDelegate(self, delegate):
if delegate is None:
return
if self.m_delegate.parent() == self:
self.m_delegate.deleteLater()
self.m_delegate = delegate
self.m_delegate.sizeHintChanged.connect(self.update)
def delegate(self):
return self.m_delegate
def index(self):
return self.m_index
def setIndex(self, index):
if index.isValid() and index.model() == self.model():
self.m_index = index
self.update()
def textElideMode(self):
return self.m_text_elide_mode
def setTextElideMode(self, mode):
self.m_text_elide_mode = mode
self.update()
def wordWrap(self):
return self.m_wrap_item_text
def setWordWrap(self, on):
self.m_wrap_item_text = on
self.update()
def iconSize(self):
return self.m_icon_size
def setIconSize(self, size):
self.m_icon_size = size
self.update()
def viewOptions(self):
option = QtGui.QStyleOptionViewItem()
option.init(self)
option.state &= ~QtGui.QStyle.State_MouseOver
option.font = self.font()
if not self.hasFocus():
option.state &= ~QtGui.QStyle.State_Active
option.state &= ~QtGui.QStyle.State_HasFocus
if self.m_icon_size.isValid():
option.decorationSize = self.m_icon_size
else:
pm = self.style().pixelMetric(
QtGui.QStyle.PM_SmallIconSize, None, self
)
option.decorationSize = QtCore.QSize(pm, pm)
option.decorationPosition = QtGui.QStyleOptionViewItem.Left
option.decorationAlignment = QtCore.Qt.AlignVCenter
option.textElideMode = self.m_text_elide_mode
option.rect = QtCore.QRect()
option.showDecorationSelected = self.style().styleHint(
QtGui.QStyle.SH_ItemView_ShowDecorationSelected, None, self
)
if self.m_wrap_item_text:
option.features = QtGui.QStyleOptionViewItem.WrapText
option.locale = self.locale()
option.locale.setNumberOptions(QtCore.QLocale.OmitGroupSeparator)
option.Widget = self
return option
def paintEvent(self, event):
if self.m_model is None or not self.m_index.isValid():
return
painter = QtGui.QPainter(self)
option = self.viewOptions()
option.rect = self.rect()
cg = QtGui.QPalette.ColorGroup()
if (
self.m_model.flags(self.m_index) & QtCore.Qt.ItemIsEnabled
== QtCore.Qt.NoItemFlags
):
option.state &= ~QtGui.QStyle.State_Enabled
cg = QtGui.QPalette.Disabled
else:
cg = QtGui.QPalette.Normal
option.palette.setCurrentColorGroup(cg)
if self.hasFocus():
option.state |= QtGui.QStyle.State_HasFocus
self.m_delegate.paint(painter, option, self.m_index)
def sizeHint(self):
option = self.viewOptions()
size = self.m_delegate.sizeHint(option, self.m_index)
return size
if __name__ == "__main__":
import sys
app = QtGui.QApplication(sys.argv)
view = QtGui.QListView()
model = QtGui.QStandardItemModel(view)
view.setModel(model)
icons = [
"SP_TitleBarMinButton",
"SP_TitleBarMenuButton",
"SP_TitleBarMaxButton",
"SP_TitleBarCloseButton",
"SP_TitleBarNormalButton",
"SP_TitleBarShadeButton",
"SP_TitleBarUnshadeButton",
"SP_TitleBarContextHelpButton",
"SP_MessageBoxInformation",
"SP_MessageBoxWarning",
"SP_MessageBoxCritical",
"SP_MessageBoxQuestion",
"SP_DesktopIcon",
"SP_TrashIcon",
"SP_ComputerIcon",
"SP_DriveFDIcon",
"SP_DriveHDIcon",
"SP_DriveCDIcon",
"SP_DriveDVDIcon",
"SP_DriveNetIcon",
"SP_DirHomeIcon",
"SP_DirOpenIcon",
"SP_DirClosedIcon",
"SP_DirIcon",
"SP_DirLinkIcon",
"SP_FileIcon",
"SP_FileLinkIcon",
"SP_FileDialogStart",
"SP_FileDialogEnd",
"SP_FileDialogToParent",
"SP_FileDialogNewFolder",
"SP_FileDialogDetailedView",
"SP_FileDialogInfoView",
"SP_FileDialogContentsView",
"SP_FileDialogListView",
"SP_FileDialogBack",
"SP_DockWidgetCloseButton",
"SP_ToolBarHorizontalExtensionButton",
"SP_ToolBarVerticalExtensionButton",
"SP_DialogOkButton",
"SP_DialogCancelButton",
"SP_DialogHelpButton",
"SP_DialogOpenButton",
"SP_DialogSaveButton",
"SP_DialogCloseButton",
"SP_DialogApplyButton",
"SP_DialogResetButton",
"SP_DialogDiscardButton",
"SP_DialogYesButton",
"SP_DialogNoButton",
"SP_ArrowUp",
"SP_ArrowDown",
"SP_ArrowLeft",
"SP_ArrowRight",
"SP_ArrowBack",
"SP_ArrowForward",
"SP_CommandLink",
"SP_VistaShield",
"SP_BrowserReload",
"SP_BrowserStop",
"SP_MediaPlay",
"SP_MediaStop",
"SP_MediaPause",
"SP_MediaSkipForward",
"SP_MediaSkipBackward",
"SP_MediaSeekForward",
"SP_MediaSeekBackward",
"SP_MediaVolume",
"SP_MediaVolumeMuted",
"SP_CustomBase",
]
for icon_name in icons:
icon = QtGui.QApplication.style().standardIcon(
getattr(QtGui.QStyle, icon_name)
)
it = QtGui.QStandardItem(icon, icon_name)
model.appendRow(it)
item_view = ItemView()
item_view.setModel(model)
view.selectionModel().currentChanged.connect(item_view.setIndex)
view.setCurrentIndex(model.index(0, 0))
w = QtGui.QWidget()
lay = QtGui.QVBoxLayout(w)
lay.addWidget(view)
lay.addWidget(item_view)
w.show()
sys.exit(app.exec_())
