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80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
# Copyright: Damien Elmes <anki@ichi2.net>
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# License: GNU GPL, version 3 or later; http://www.gnu.org/copyleft/gpl.html
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import sys
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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import ankiqt.forms
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# Hideable help area widget
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##########################################################################
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class HelpArea(object):
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def __init__(self, helpFrame, config, mainWindow=None, focus=None):
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self.helpFrame = helpFrame
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self.widget = helpFrame.findChild(QTextBrowser)
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self.mainWindow = mainWindow
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if mainWindow:
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self.focus=mainWindow
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else:
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self.focus=focus
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self.config = config
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self.widget.connect(self.widget, SIGNAL("anchorClicked(QUrl)"),
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self.anchorClicked)
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self.hide()
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def show(self):
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"Show the help area."
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self.helpFrame.show()
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self.widget.show()
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def hide(self):
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self.helpFrame.hide()
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self.widget.hide()
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if self.mainWindow:
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self.mainWindow.runHook("helpChanged")
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def showText(self, text, py={}):
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self.show()
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self.buffer = text
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self.addHider()
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self.handlers = py
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self.flush()
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if self.mainWindow:
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self.mainWindow.runHook("helpChanged")
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def flush(self):
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if sys.platform.startswith("darwin"):
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font = "helvetica"
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else:
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font = "arial"
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# qt seems to ignore font-size on elements like h1
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style = ("<style>#content { font-family: %s; " +
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"font-size: 12px; }</style>\n") % font
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self.widget.setHtml(style + '<div id="content">' +
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self.buffer + '</div>')
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def addHider(self):
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self.buffer += _("<p><a href=hide:>Hide this</a>")
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def anchorClicked(self, url):
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# prevent the link being handled
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self.widget.setSource(QUrl(""))
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addr = unicode(url.toString())
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if addr.startswith("hide:"):
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if len(addr) > 5:
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# hide for good
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self.config[addr] = True
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self.hide()
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if "hide" in self.handlers:
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self.handlers["hide"]()
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elif addr.startswith("py:"):
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key = addr[3:]
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if key in self.handlers:
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self.handlers[key]()
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else:
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# open in browser
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QDesktopServices.openUrl(QUrl(url))
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if self.focus:
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self.focus.setFocus()
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