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=begin
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This is a ruby version of Jim Bublitz's pytde program, translated by Richard Dale
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=end
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#
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# pyParts.py (C) 2002 Jim Bublitz <jbublitz@nwinternet.com>
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#
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=begin
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This is an extemely simple and crude example of using
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a KHTMLPart - I put it together mostly to make sure
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the openURL method worked correctly after some modifications
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done in KParts::ReadOnlyPart. It took exactly four lines
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added to a basic Korundum app framework to display a URL
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via the 'net:
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w = KDE::HTMLPart.new(self, "HTMLPart", self)
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w.openURL(KDE::URL.new("http://www.kde.org"))
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w.view().setGeometry(30, 55, 500, 400)
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w.show()
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You can play around with the commented out lines or add
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additional code to make this do something useful. The
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.rc for khtnmlpart (sorry, I never looked it up), doesn't
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seem to provide much help. Also, to follow links, you
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probably need to connect some signals to slots. I
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haven't tried it, but this should work with a plain
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KMainWindow or other widget too.
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The KDE website also incorporates gifs, jpegs, and
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I believe CSS too. Playing around with some other
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sites, it appears the font defaults could use some
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improvement.
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NOTE!!! For this to work, you (obviously) need to have
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a route to the internet established or specify a local
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URL - PyKDE/KDE will take care of everything else.
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Perceptive users will notice the KHTMLPart code is
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lifted from the KDE classref.
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=end
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retquire 'Korundum'
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# Note that we use KParts.MainWindow, not KMainWindow as the superclass
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# (KParts.MainWindow subclasses KMainWindow). Also, be sure the 'apply'
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# clause references KParts.MainWindow - it's a hard bug to track down
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# if it doesn't.
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class RbPartsMW < KParts::MainWindow
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slots 'close()', 'optionsShowToolbar()', 'optionsShowStatusbar()', 'optionsConfigureKeys()',
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'optionsConfigureToolbars()'
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TOOLBAR_EXIT = 0
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TOOLBAR_OPEN = 1
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def initialize(*k)
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super
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# Create the actions for our menu/toolbar to use
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# Keep in mind that the part loaded will provide its
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# own menu/toolbar entries
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# check out KParts.MainWindow's ancestry to see where
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# some of this and later stuff (like self.actionCollection () )
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# comes from
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quitAction = KDE::StdAction.quit(self, SLOT('close()'), actionCollection())
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createStandardStatusBarAction()
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# @m_toolbarAction = KDE::StdAction.showToolbar(self, SLOT('optionsShowToolbar()'), actionCollection())
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@m_statusbarAction = KDE::StdAction.showStatusbar(self, SLOT('optionsShowStatusbar()'), actionCollection())
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KDE::StdAction.keyBindings(self, SLOT('optionsConfigureKeys()'), actionCollection())
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KDE::StdAction.configureToolbars(self, SLOT('optionsConfigureToolbars()'), actionCollection())
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path = Dir.getwd() + '/'
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setGeometry(0, 0, 600, 500)
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# point to our XML file
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setXMLFile(path + "rbParts.rc", false)
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# The next few lines are all that's necessary to
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# create a web browser (of course you have to edit
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# this file to change url's)
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w = KDE::HTMLPart.new(self, "HTMLPart", self)
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w.openURL(KDE::URL.new("http://www.kde.org"))
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w.view().setGeometry(30, 55, 500, 400)
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# self.v = KHTMLView (self.w, self)
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# self.setCentralWidget (self.v)
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# self.createGUI (self.w)
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w.show()
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end
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# slots for our actions
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def optionsShowToolbar()
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if @m_toolbarAction.isChecked()
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toolBar().show()
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else
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toolBar().hide()
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end
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end
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def optionsShowStatusbar()
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if @m_statusbarAction.isChecked()
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statusBar().show()
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else
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statusBar().hide()
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end
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end
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def optionsConfigureKeys()
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KDE::KeyDialog.configureActionKeys(actionCollection(), xmlFile())
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end
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def optionsConfigureToolbars()
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dlg = KDE::EditToolbar.new(actionCollection(), xmlFile())
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if dlg.exec()
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createGUI(self)
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end
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end
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# some boilerplate left over from pyKLess/KLess
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def queryClose()
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res = KDE::MessageBox.warningYesNoCancel(self,
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i18n("Save changes to Document?<br>(Does not make sense, we know, but it is just a programming example :-)"))
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if res == KDE::MessageBox::Yes
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#// save document here. If saving fails, return FALSE
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return true
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elsif res == KDE::MessageBox::No
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return true
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else #// cancel
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return false
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end
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end
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def queryExit()
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#// this slot is invoked in addition when the *last* window is going
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#// to be closed. We could do some final cleanup here.
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return true #// accept
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end
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# I'm not sure the session mgmt stuff here works
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# Session management: save data
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def saveProperties(config)
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# This is provided just as an example.
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# It is generally not so good to save the raw contents of an application
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# in its configuration file (as this example does).
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# It is preferable to save the contents in a file on the application's
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# data zone and save an URL to it in the configuration resource.
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config.writeEntry("text", edit.text())
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end
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# Session management: read data again
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def readProperties(config)
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# See above
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edit.setText(config.readEntry("text"))
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end
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end
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#------------- main ----------------------------
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# A Human readable description of your program
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description = "KHTMLPart - simple example"
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# The version
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version = "0.1"
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# stuff for the "About" menu
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aboutData = KDE::AboutData.new("rbKHTMLPart", "rbHTMLPart",
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version, description, KDE::AboutData::License_GPL,
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"(c) 2002, Jim Bublitz")
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aboutData.addAuthor("Jim Bublitz", "Example for PyKDE", "jbublitz@nwinternet.com")
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aboutData.addAuthor('Richard Dale', 'Example for Korundum', 'Richard_Dale@tipitina.demon.co.uk')
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# This MUST go here (before KApplication () is called)
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KDE::CmdLineArgs.init(ARGV, aboutData)
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app = KDE::Application.new()
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if app.isRestored()
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KDE::MainWindow.kRestoreMainWindows(RbPartsMW)
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else
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# no session management: just create one window
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# this is our KParts::MainWindow derived class
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parts = RbPartsMW.new(nil, "rbParts")
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if ARGV.length > 1
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# read kcmdlineargs.h for the full unabridged instructions
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# on using KCmdLineArgs, it's pretty confusing at first, but it works
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# This is pretty useless in this program - you might want to
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# expand this in your app (to load a file, etc)
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args = KDE::CmdLineArgs.parsedArgs()
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end
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end
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parts.show()
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app.exec()
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