linux-kernel - [PATCH v3.1 7/7] kconfig: qconf: navigate menus on hyperlinks

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Date:   Tue, 30 Jun 2020 08:48:35 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Maxim Levitsky <mlevitsk@...hat.com>, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3.1 7/7] kconfig: qconf: navigate menus on hyperlinks

Instead of just changing the helper window to show a
dependency, also navigate to it at the config and menu
widgets.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>


---

I ended re-sending the same version as on patch series 2. Please
consider this patch instead.

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 6a327b69ff5f..fd721c6c4c94 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -1233,7 +1233,6 @@ void ConfigInfoView::clicked(const QUrl &url)
 	char *data = new char[count + 1];
 	struct symbol **result;
 	struct menu *m = NULL;
-	char type;
 
 	if (count < 1) {
 		qInfo() << "Clicked link is empty";
@@ -1243,7 +1242,6 @@ void ConfigInfoView::clicked(const QUrl &url)
 
 	memcpy(data, str.constData(), count);
 	data[count] = '\0';
-	type = data[0];
 
 	/* Seek for exact match */
 	data[0] = '^';
@@ -1256,15 +1254,8 @@ void ConfigInfoView::clicked(const QUrl &url)
 	}
 
 	sym = *result;
-	if (type == 's') {
-		symbolInfo();
-		emit showDebugChanged(true);
-		free(result);
-		delete data;
-		return;
-	}
 
-	/* URL is a menu */
+	/* Seek for the menu which holds the symbol */
 	for (struct property *prop = sym->prop; prop; prop = prop->next) {
 		    if (prop->type != P_PROMPT && prop->type != P_MENU)
 			    continue;
@@ -1273,16 +1264,13 @@ void ConfigInfoView::clicked(const QUrl &url)
 	}
 
 	if (!m) {
-		qInfo() << "Clicked menu is invalid:" << data;
-		free(result);
-		delete data;
-		return;
+		/* Symbol is not visible as a menu */
+		symbolInfo();
+		emit showDebugChanged(true);
+	} else {
+		emit menuSelected(m);
 	}
 
-	_menu = m;
-	menuInfo();
-
-	emit showDebugChanged(true);
 	free(result);
 	delete data;
 }
@@ -1731,6 +1719,7 @@ void ConfigMainWindow::setMenuLink(struct menu *menu)
 			list->setSelected(item, true);
 			list->scrollToItem(item);
 			list->setFocus();
+			helpText->setInfo(menu);
 		}
 	}
 }