[webkit-qt] QtWebkit & Virtual Keyboard

[İsmail Dönmez]

This is OK for a hack but there needs to be public methods similar to your
selectedInput() and selectedNode() functions.

Regards,
ismail

On Tue, Apr 27, 2010 at 4:30 PM, Andrew Webster <apwebster at gmail.com> wrote:

> I did something similar for text inputs.  I hacked a class called
> QWebPageEx that extends QWebPage into webkit that is able to determine
> if a text field is selected and get and set the text in it.  In my
> user app, I extended QWebPageEx and then every time there is a
> MouseButtonRelease I check if a text field is selected and then open a
> soft keyboard.
>
> It's not the cleanest method and it breaks every time there's a major
> update to webkit, but it does work.  You may be able to do something
> similar for list/combo boxes.
>
> Here is the header:
> #include "qwebpage.h"
>
> namespace WebCore
> {
>   class Node;
>   class HTMLInputElement;
> }
>
> class QWEBKIT_EXPORT QWebPageEx : public QWebPage
> {
> public:
>    QWebPageEx(QObject *parent = 0);
>    ~QWebPageEx();
>
>    bool isTextField() const;
>    bool isPasswordField() const;
>
>    QString text() const;
>    void setText(const QString& text);
>    QString getAttribute(const QString& attrName);
>
> private:
>    WebCore::Node* selectedNode() const;
>    WebCore::HTMLInputElement* selectedInput() const;
> };
>
> And the source:
> #include "qwebpageex.h"
> #include "config.h"
> #include "qwebpage_p.h"
>
> #include "Frame.h"
> #include "Page.h"
> #include "FocusController.h"
> #include "HTMLInputElement.h"
> #include "HTMLNames.h"
> #include "ClientRect.h"
> #include "JSDOMWindow.h"
>
> QWebPageEx::QWebPageEx(QObject *parent) :
>   QWebPage(parent)
> {
> }
>
> QWebPageEx::~QWebPageEx()
> {
> }
>
> bool QWebPageEx::isTextField() const
> {
>   const WebCore::HTMLInputElement *input = selectedInput();
>
>   if (input)
>   {
>      return input->isTextField();
>   }
>
>   return false;
> }
>
> bool QWebPageEx::isPasswordField() const
> {
>   const WebCore::HTMLInputElement *input = selectedInput();
>
>   if (input)
>   {
>      return input->isPasswordField();
>   }
>
>   return false;
> }
>
> QString QWebPageEx::text() const
> {
>   const WebCore::HTMLInputElement *input = selectedInput();
>
>   if (input)
>   {
>      return input->value();
>   }
>
>   return QString();
> }
>
> void QWebPageEx::setText(const QString& text)
> {
>   WebCore::HTMLInputElement *input = selectedInput();
>
>   if (input)
>   {
>       input->setValue(text);
>       input->dispatchFormControlChangeEvent();
>   }
> }
>
> QString QWebPageEx::getAttribute(const QString& attrName)
> {
>   WebCore::Node *node = selectedNode();
>
>   if (node && node->hasAttributes())
>   {
>      WebCore::NamedNodeMap *attrs = node->attributes();
>
>      if (attrs)
>      {
>         WTF::PassRefPtr<WebCore::Node> nd = attrs->getNamedItem(attrName);
>
>         if (nd.get())
>         {
>            return nd->nodeValue();
>         }
>      }
>   }
>
>   return QString();
> }
>
> WebCore::Node* QWebPageEx::selectedNode() const
> {
>   WebCore::Frame *frame =
> handle()->page->focusController()->focusedOrMainFrame();
>   if (frame)
>   {
>      WebCore::Document *document = frame->document();
>
>      if (document)
>      {
>         WebCore::Node *node = document->focusedNode();
>
>         if (node)
>         {
>            return node;
>         }
>      }
>   }
>
>   return NULL;
> }
>
> WebCore::HTMLInputElement* QWebPageEx::selectedInput() const
> {
>   WebCore::Node *node = selectedNode();
>
>   if (node && node->hasTagName(WebCore::HTMLNames::inputTag))
>   {
>      return static_cast<WebCore::HTMLInputElement*>(node);
>   }
>
>   return NULL;
> }
>
> Andrew
>
> On Tue, Apr 27, 2010 at 3:07 AM, Ivan De Marino
> <ivan.de.marino at gmail.com> wrote:
> > Input methods in Qt are defined by-platform, and that should not change
> if
> > you are in a QWebView.
> > If you want to modify what do you get in terms of Keyboards, Combo-box
> and
> > so forth, you might want to take a look to the actual source code of
> > QtWebKit and see where you can "plug yourself" in. It's not going to be
> an
> > easy task, I think.
> > It might be that you are raising an interesting point: allowing
> developers
> > to implement/extend the input methods for QWebKit, so that personalized
> > Input Methods can be easily added. that's an interesting idea.
> > Good luck.
> >
> > On 27 April 2010 07:39, sunny shah <sunny.cpp at gmail.com> wrote:
> >>
> >> Hi ,
> >>  But I want to make it for Qt for embedded linux ( My windowing server
> is
> >> QWS ( Qt Windowing System) ), I want to mentioned functionality ( Want
> to
> >> make mobile browser similar to iPhone | Android ). Isn't it possible
> that
> >> textbox OR listbox OR combobox  which QtWebkit uses will be derived by
> me ?
> >> Or is there any other way? I am ready to do hacking in code, Just help
> me
> >> for quick start.
> >> Many Thanks,
> >>   Sunny.
> >> On Tue, Apr 27, 2010 at 1:41 AM, Kenneth Christiansen
> >> <kenneth.christiansen at openbossa.org> wrote:
> >>>
> >>> We would all like that :-) but it is a lot of work to get done right.
> >>>
> >>> With QtWebKit 2.0 which will soon be released, and if your embedded
> >>> linux is based on Maemo5, you will get a dialog for selection (what
> >>> you call combobox/listbox), event for the multiple selection case. On
> >>> other platforms you are out of luck. Virtual keyboard will also work
> >>> on that platform.
> >>>
> >>> Kenneth
> >>>
> >>> On Mon, Apr 26, 2010 at 2:59 PM, sunny shah <sunny.cpp at gmail.com>
> wrote:
> >>> > Hi,
> >>> >
> >>> >   I am making mobile browser for Qt for embedded linux. I want to
> have
> >>> > virtual keyboard, separate window for listbox and combo box and
> custom
> >>> > message box styles in QtWebkit. Please help me with this.
> >>> >
> >>> > Regards,
> >>> >  Sunny.
> >>> > _______________________________________________
> >>> > webkit-qt mailing list
> >>> > webkit-qt at lists.webkit.org
> >>> > http://lists.webkit.org/mailman/listinfo.cgi/webkit-qt
> >>> >
> >>> >
> >>>
> >>>
> >>>
> >>> --
> >>> Kenneth Rohde Christiansen
> >>> Technical Lead / Senior Software Engineer
> >>> Qt Labs Americas, Nokia Technology Institute, INdT
> >>> Phone  +55 81 8895 6002 / E-mail kenneth.christiansen at openbossa.org
> >>
> >>
> >> _______________________________________________
> >> webkit-qt mailing list
> >> webkit-qt at lists.webkit.org
> >> http://lists.webkit.org/mailman/listinfo.cgi/webkit-qt
> >>
> >
> >
> >
> > --
> > Ivan De Marino | Software Engineer | France Telecom R&D UK - Orange Labs
> > w. +44 20 8849 5806 | m. +44 7515 955 861 | m. +44 7974 156 216
> > ivan[dot]demarino[at]orange-ftgroup.com |
> > ivan[dot]de[dot]marino[at]gmail[dot]com
> > www.detronizator.org | www.linkedin.com/in/ivandemarino
> >
> > _______________________________________________
> > webkit-qt mailing list
> > webkit-qt at lists.webkit.org
> > http://lists.webkit.org/mailman/listinfo.cgi/webkit-qt
> >
> >
> _______________________________________________
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> webkit-qt at lists.webkit.org
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>
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