48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
""" Help pages
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"""
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from qtpy.QtCore import Signal, Qt, QUrl
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from qtpy.QtGui import QIcon, QKeySequence
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from qtpy.QtWidgets import (QAction, QApplication, QDialog,
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QLabel, QTextBrowser, QToolBar, QVBoxLayout)
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class HelpBrowser(QDialog):
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def __init__(self, helpbase, page, parent=None, xlength=600, ylength=550):
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super(HelpBrowser, self).__init__(parent)
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self.setAttribute(Qt.WA_DeleteOnClose)
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self.setAttribute(Qt.WA_GroupLeader)
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self.xlength = xlength
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self.ylength = ylength
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back_action = QAction(QIcon(":/back.png"), "&Back", self)
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back_action.setShortcut(QKeySequence.Back)
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home_action = QAction(QIcon(":/home.png"), "&Home", self)
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home_action.setShortcut("Home")
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self.page_label = QLabel()
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tool_bar = QToolBar()
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tool_bar.addAction(back_action)
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tool_bar.addAction(home_action)
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tool_bar.addWidget(self.page_label)
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self.text_browser = QTextBrowser()
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layout = QVBoxLayout()
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layout.addWidget(tool_bar)
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layout.addWidget(self.text_browser, 1)
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self.setLayout(layout)
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back_action.triggered.connect(self.text_browser.backward)
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home_action.triggered.connect(self.text_browser.home)
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self.text_browser.sourceChanged.connect(self.update_page_title)
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self.text_browser.setSearchPaths([":/help", helpbase])
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self.text_browser.setSource(QUrl(page))
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self.resize(self.xlength, self.ylength)
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self.setWindowTitle("{0} Help".format(parent.pymodule))
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QApplication.processEvents()
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def update_page_title(self):
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self.page_label.setText(self.text_browser.documentTitle())
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