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204 lines
6.5 KiB
204 lines
6.5 KiB
#!/usr/bin/env python
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"""
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This is a rough Python translation of the ideas presented in this KMDI tutorial:
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http://web.tiscali.it/andreabergia/tdemditutorial.html
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What does work:
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IDEAlMode - yay!
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Adding and closing child views
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Two-way syncing between a tool widget and a matching child view
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All is not rosy, however:
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Instances of the KmdiExample maintain a dictionary of child views. Values
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cannot be deleted from this dictionary during a window close (causes an
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immediate segfault).
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Child views created after initialization aren't numbered correctly; given
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the first problem, it's harder to do this than it's really worth.
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The example segfaults at shutdown if the tool (on the left) is is open but
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is not in overlap-mode.
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"""
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import os
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import sys
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from python_tqt.qt import SIGNAL, TQVBoxLayout, TQLabel
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from tdecore import i18n, TDEAboutData, TDEApplication, TDEGlobal, TDEIcon, TDECmdLineArgs
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from tdeui import KDockWidget, TDEListBox, KStdAction
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try:
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from tdemdi import KMdi, KMdiMainFrm, KMdiChildView
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except (ImportError, ):
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print 'Exception importing KMDI; check your PyKDE installation'
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sys.exit(1)
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sigChildCloseRequest = SIGNAL('childWindowCloseRequest(KMdiChildView *)')
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sigChildViewActivated = SIGNAL('viewActivated(KMdiChildView *)')
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sigBoxSelectionChanged = SIGNAL('selectionChanged(TQListBoxItem *)')
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def getIcon(name, group=TDEIcon.NoGroup, size=TDEIcon.SizeSmall):
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""" returns a kde icon by name
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"""
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return TDEGlobal.instance().iconLoader().loadIcon(name, group, size)
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class KmdiExample(KMdiMainFrm):
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""" KmdiExample(parent=None) -> an example KMdiMainFrm window
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"""
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uifilebase = 'uitdemdi.rc'
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viewIcons = ('network', 'email', 'stop', 'back', 'forward', )
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toolIcons = ('view_icon', 'configure')
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def __init__(self, parent=None):
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KMdiMainFrm.__init__(self, parent, 'KmdiExample', KMdi.IDEAlMode)
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xmlfile = os.path.join('.', self.uifilebase)
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self.setXMLFile(os.path.abspath(xmlfile))
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actions = self.actionCollection()
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self.openNewAction = KStdAction.openNew(self.newView, actions)
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self.quitAction = KStdAction.quit(self.close, actions)
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self.closeAction = KStdAction.close(self.closeActiveChild, actions)
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self.createGUI(None)
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self.statusBar()
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self.resize(400, 300)
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self.tools = {}
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for idx, ico in enumerate(self.toolIcons):
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wid = TDEListBox(self, 'list%s' % idx)
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self.makeTool(wid, 'Tool %s' % idx, ico)
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## smells
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self.mainToolWidget = maintool = self.tools['Tool 0'][0]
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self.childs = {}
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for idx, ico in enumerate(self.viewIcons):
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self.makeView('View %s' % idx, ico, ico)
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self.connect(self, sigChildViewActivated, self.activatedMessage)
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self.connect(self, sigChildViewActivated, self.syncFromChildView)
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self.connect(maintool, sigBoxSelectionChanged, self.syncFromMainTool)
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self.syncFromChildView(self.activeWindow())
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def syncFromMainTool(self, item):
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""" activate the view that matches the item text
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"""
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try:
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self.activateView(self.findWindow(item.text()))
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except (RuntimeError, ):
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pass
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def syncFromChildView(self, child):
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""" sync the main tool to the indicated child
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"""
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maintool = self.mainToolWidget
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item = maintool.findItem(child.tabCaption())
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if item:
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maintool.setSelected(item, True)
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def makeTool(self, widget, caption, icon, percent=50):
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""" makes a tool from the widget
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"""
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tip = i18n('%s Tool Tip' % caption)
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dock = KDockWidget.DockLeft
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maindock = self.getMainDockWidget()
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widget.setIcon(getIcon(icon))
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tool = self.addToolWindow(widget, dock, maindock, percent, tip, caption)
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self.tools[caption] = (widget, tool)
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def makeView(self, label, icon, text):
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""" makes a child view with a text label and a pixmap label
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"""
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view = KMdiChildView(label, self)
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self.childs[label] = view
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view.setIcon(getIcon(icon))
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layout = TQVBoxLayout(view)
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layout.setAutoAdd(True)
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lbl = i18n('Label for a view with an icon named %s' % text)
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lbl = TQLabel(lbl, view)
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pxm = TQLabel('', view)
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pxm.setPixmap(getIcon(icon, size=TDEIcon.SizeLarge))
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self.addWindow(view)
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self.mainToolWidget.insertItem(label)
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self.connect(view, sigChildCloseRequest, self.closeChild)
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def removeMainToolItem(self, view):
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""" remove item from the main list tool that corresponds to the view
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"""
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maintool = self.mainToolWidget
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maintool.takeItem(maintool.findItem(view.tabCaption(), 0))
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def newView(self):
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""" make a view when the user invokes the new action
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"""
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self.makeView('View %s' % len(self.childs), 'network', 'A Fresh View')
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self.syncFromChildView(self.activeWindow())
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def closeActiveChild(self):
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""" close the current view
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"""
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self.removeMainToolItem(self.activeWindow())
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self.closeActiveView()
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self.syncFromChildView(self.activeWindow())
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def closeChild(self, which):
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""" called to close a view from its tab close button
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"""
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try:
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caption = which.tabCaption()
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except (AttributeError, ):
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## probably None; bug in tdemdi?
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return
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self.removeMainToolItem(which)
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which.close()
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self.statusBar().message(i18n('%s closed' % caption))
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self.syncFromChildView(self.activeWindow())
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def activatedMessage(self, view):
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""" updates the status bar with the caption of the current view
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"""
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try:
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self.statusBar().message(i18n('%s activated' % view.tabCaption()))
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except (RuntimeError, ):
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## sometimes the status bar or the current object is already gone...
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pass
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if __name__ == '__main__':
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aname = 'PyKDE KMDI Sample'
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desc = 'A Simple PyKDE KMDI Sample'
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ver = '1.0'
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lic = TDEAboutData.License_GPL
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author = 'Troy Melhase'
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authormail = 'troy@gci.net'
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about = TDEAboutData(aname, aname, ver, desc, lic, '%s (c) 2004' % authormail)
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about.addAuthor(author, 'hi, mom!', authormail)
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about.addAuthor ('Jim Bublitz', 'For PyKDE', 'jbublitz@nwinternet.com')
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TDECmdLineArgs.init(sys.argv, about)
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app = TDEApplication()
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mainWindow = KmdiExample()
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mainWindow.show()
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app.exec_loop()
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