linux-kernel - Re: [PATCH] kconfig: qconf: make debug links work again

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Date:   Sun, 28 Jun 2020 15:25:54 +0300
From:   Maxim Levitsky <mlevitsk@...hat.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kconfig: qconf: make debug links work again

On Sun, 2020-06-28 at 14:21 +0200, Mauro Carvalho Chehab wrote:
> The Qt5 conversion broke support for debug info links.
> 
> Restore the behaviour added by changeset
> ab45d190fd4a ("kconfig: create links in info window").
> 
> Reported-by: Maxim Levitsky <mlevitsk@...hat.com>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  scripts/kconfig/qconf.cc | 35 ++++++++++++++++++++++++++++++++++-
>  scripts/kconfig/qconf.h  |  1 +
>  2 files changed, 35 insertions(+), 1 deletion(-)
> 
> diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
> index 631e19659504..03cadf27a376 100644
> --- a/scripts/kconfig/qconf.cc
> +++ b/scripts/kconfig/qconf.cc
> @@ -1012,7 +1012,7 @@ ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
>  	: Parent(parent), sym(0), _menu(0)
>  {
>  	setObjectName(name);
> -
> +	setOpenLinks(false);
>  
>  	if (!objectName().isEmpty()) {
>  		configSettings->beginGroup(objectName());
> @@ -1224,6 +1224,36 @@ void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char
>  		*text += str2;
>  }
>  
> +void ConfigInfoView::clicked(const QUrl &url)
> +{
> +	QByteArray str = url.toEncoded();
> +	const std::size_t count = str.size();
> +	char *hex = new char[count];
> +	unsigned long p;
> +
> +	if (count < 1)
> +		return;
> +
> +	memcpy(hex, str.constData(), count);
> +	p = (int)strtol(hex + 1, NULL, 16);
> +
> +	if (!p)
> +		return;
> +
> +	if (hex[0] == 's') {
> +		struct symbol *s = (struct symbol *)p;
> +
> +		sym = s;
> +		symbolInfo();
> +	} else {
> +		struct menu *m = (struct menu *)p;
> +
> +		_menu = m;
> +		menuInfo();
> +	}
> +	emit showDebugChanged(true);
> +}
> +
>  QMenu* ConfigInfoView::createStandardContextMenu(const QPoint & pos)
>  {
>  	QMenu* popup = Parent::createStandardContextMenu(pos);
> @@ -1497,6 +1527,9 @@ ConfigMainWindow::ConfigMainWindow(void)
>  	helpMenu->addAction(showIntroAction);
>  	helpMenu->addAction(showAboutAction);
>  
> +	connect (helpText, SIGNAL (anchorClicked (const QUrl &)),
> +		 helpText, SLOT (clicked (const QUrl &)) );
> +
>  	connect(configList, SIGNAL(menuChanged(struct menu *)),
>  		helpText, SLOT(setInfo(struct menu *)));
>  	connect(configList, SIGNAL(menuSelected(struct menu *)),
> diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h
> index d913a02967ae..a193137f2314 100644
> --- a/scripts/kconfig/qconf.h
> +++ b/scripts/kconfig/qconf.h
> @@ -250,6 +250,7 @@ public slots:
>  	void setInfo(struct menu *menu);
>  	void saveSettings(void);
>  	void setShowDebug(bool);
> +	void clicked (const QUrl &url);
>  
>  signals:
>  	void showDebugChanged(bool);

Just tested it and it works well. Thank you very much!

Best regards,
	Maxim Levitsky