Python QScrollArea.setMaximumHeight方法代码示例

# 需要导入模块: from PyQt5.QtWidgets import QScrollArea [as 别名]
# 或者: from PyQt5.QtWidgets.QScrollArea import setMaximumHeight [as 别名]
	def __init__(self, tup_gallery, parent = None, menu = None):
		super().__init__(parent)
		self.setMaximumWidth(16777215)
		assert isinstance(tup_gallery, tuple), "Incorrect type received, expected tuple"
		assert isinstance(tup_gallery[0], str) and isinstance(tup_gallery[1], list)
		main_layout = QVBoxLayout()
		# todo make it scroll
		scroll_area = QScrollArea()
		dummy = QWidget()
		self.gallery_layout = misc.FlowLayout(dummy)
		scroll_area.setWidgetResizable(True)
		scroll_area.setMaximumHeight(400)
		scroll_area.setMidLineWidth(620)
		scroll_area.setBackgroundRole(scroll_area.palette().Shadow)
		scroll_area.setFrameStyle(scroll_area.NoFrame)
		scroll_area.setWidget(dummy)
		text = tup_gallery[0]
		galleries = tup_gallery[1]
		main_layout.addWidget(scroll_area, 3)
		for g in galleries:
			gall_w = misc.GalleryShowcaseWidget(parent=self, menu=menu())
			gall_w.set_gallery(g, (170//1.40, 170))
			gall_w.double_clicked.connect(self.gallery_doubleclicked.emit)
			self.gallery_layout.addWidget(gall_w)

		text_lbl =  QLabel(text)
		text_lbl.setAlignment(Qt.AlignCenter)
		main_layout.addWidget(text_lbl)
		main_layout.addLayout(self.buttons_layout)
		self.main_widget.setLayout(main_layout)
		self.setMaximumHeight(500)
		self.setMaximumWidth(620)
		self.resize(620, 500)
		self.show()

# 需要导入模块: from PyQt5.QtWidgets import QScrollArea [as 别名]
# 或者: from PyQt5.QtWidgets.QScrollArea import setMaximumHeight [as 别名]
class SearchReplaceSlidingWidget(QWidget):
    """
    Class implementing the search and replace widget with sliding behavior.
    
    @signal searchListChanged() emitted to indicate a change of the search list
    """
    searchListChanged = pyqtSignal()
    
    def __init__(self, replace, vm, parent=None):
        """
        Constructor
        
        @param replace flag indicating a replace widget is called
        @param vm reference to the viewmanager object
        @param parent parent widget of this widget (QWidget)
        """
        super(SearchReplaceSlidingWidget, self).__init__(parent)
        
        self.__searchReplaceWidget = \
            SearchReplaceWidget(replace, vm, self, True)
        srHeight = self.__searchReplaceWidget.height()
        
        self.__layout = QHBoxLayout(self)
        self.setLayout(self.__layout)
        self.__layout.setContentsMargins(0, 0, 0, 0)
        self.__layout.setAlignment(Qt.AlignTop)
        
        self.__leftButton = QToolButton(self)
        self.__leftButton.setArrowType(Qt.LeftArrow)
        self.__leftButton.setSizePolicy(
            QSizePolicy.Minimum, QSizePolicy.MinimumExpanding)
        self.__leftButton.setAutoRepeat(True)
        
        self.__scroller = QScrollArea(self)
        self.__scroller.setWidget(self.__searchReplaceWidget)
        self.__scroller.setSizePolicy(
            QSizePolicy.Expanding, QSizePolicy.Minimum)
        self.__scroller.setMaximumHeight(srHeight)
        self.__scroller.setFrameShape(QFrame.NoFrame)
        self.__scroller.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.__scroller.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.__scroller.setWidgetResizable(False)
        
        self.__rightButton = QToolButton(self)
        self.__rightButton.setArrowType(Qt.RightArrow)
        self.__rightButton.setSizePolicy(
            QSizePolicy.Minimum, QSizePolicy.MinimumExpanding)
        self.__rightButton.setAutoRepeat(True)
        
        self.__layout.addWidget(self.__leftButton)
        self.__layout.addWidget(self.__scroller)
        self.__layout.addWidget(self.__rightButton)
        
        self.setMaximumHeight(srHeight)
        
        self.__searchReplaceWidget.searchListChanged.connect(
            self.searchListChanged)
        self.__leftButton.clicked.connect(self.__slideLeft)
        self.__rightButton.clicked.connect(self.__slideRight)
    
    def findNext(self):
        """
        Public slot to find the next occurrence of text.
        """
        self.__searchReplaceWidget.findNext()
    
    def findPrev(self):
        """
        Public slot to find the next previous of text.
        """
        self.__searchReplaceWidget.findPrev()
    
    def selectionChanged(self):
        """
        Public slot tracking changes of selected text.
        """
        editor = self.sender()
        self.__searchReplaceWidget.updateSelectionCheckBox(editor)
    
    @pyqtSlot(Editor)
    def updateSelectionCheckBox(self, editor):
        """
        Public slot to update the selection check box.
        
        @param editor reference to the editor (Editor)
        """
        self.__searchReplaceWidget.updateSelectionCheckBox(editor)

    def show(self, text=''):
        """
        Public slot to show the widget.
        
        @param text text to be shown in the findtext edit (string)
        """
        self.__searchReplaceWidget.show(text)
        super(SearchReplaceSlidingWidget, self).show()
        self.__enableScrollerButtons()
    
    def __slideLeft(self):
        """
#.........这里部分代码省略.........