[PATCH] kconfig: qconf: make debug links work again

[Mauro Carvalho Chehab]

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 <mlevi...@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.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);
-- 
2.26.2