Sat, 14 Jan 2023 18:25:26 +0100
PDF Viewer
- finished 'Go to' functions
- started with 'Zoom' functions
# -*- coding: utf-8 -*- # Copyright (c) 2023 Detlev Offenbach <detlev@die-offenbachs.de> # """ """ from PyQt6.QtCore import Qt from PyQt6.QtWidgets import ( QDialog, QDialogButtonBox, QSlider, QSpinBox, QHBoxLayout, QVBoxLayout ) class PdfGoToDialog(QDialog): def __init__(self, curPage, pageCount, parent=None): """ Constructor @param curPage current page number (0 based) @type int @param pageCount number of pages in the document @type int @param parent reference to the parent widget (defaults to None) @type QWidget (optional) """ super().__init__(parent) self.__layout = QVBoxLayout() self.setLayout(self.__layout) self.__hLayout = QHBoxLayout() self.__valueSlider = QSlider(Qt.Orientation.Horizontal) self.__valueSlider.setTickPosition(QSlider.TickPosition.TicksBothSides) self.__valueSlider.setSingleStep(1) self.__valueSlider.setPageStep(10) self.__valueSlider.setMinimum(1) self.__valueSlider.setMaximum(pageCount) self.__valueSlider.setValue(curPage + 1) self.__hLayout.addWidget(self.__valueSlider) self.__valueSpinBox = QSpinBox() self.__valueSpinBox.setMinimum(1) self.__valueSpinBox.setMaximum(pageCount) self.__valueSpinBox.setValue(curPage + 1) self.__valueSpinBox.setAlignment(Qt.AlignmentFlag.AlignCenter) self.__hLayout.addWidget(self.__valueSpinBox) self.__layout.addLayout(self.__hLayout) self.__buttonBox = QDialogButtonBox( QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel, Qt.Orientation.Horizontal, ) self.__layout.addWidget(self.__buttonBox) self.__valueSpinBox.setFocus(Qt.FocusReason.OtherFocusReason) # connect signals and slots self.__buttonBox.accepted.connect(self.accept) self.__buttonBox.rejected.connect(self.reject) self.__valueSlider.valueChanged.connect(self.__valueSpinBox.setValue) self.__valueSpinBox.valueChanged.connect(self.__valueSlider.setValue) def getPage(self): """ Public method to get the selected page. @return selected page (0 based) @rtype int """ return self.__valueSpinBox.value() - 1