[PATCH v3 5/7] kconfig: qconf: simplify the goBack() logic

[Mauro Carvalho Chehab]

The goBack() logic is used only for the configList, as
it only makes sense on singleMode. So, let's simplify the
code.

Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
---
 scripts/kconfig/qconf.cc | 50 +++++++++++++++-------------------------
 1 file changed, 18 insertions(+), 32 deletions(-)

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 29ca4823cfb9..e43fe4dcd4e7 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -1455,18 +1455,22 @@ ConfigMainWindow::ConfigMainWindow(void)
        addToolBar(toolBar);
 
        backAction = new QAction(QPixmap(xpm_back), "Back", this);
-         connect(backAction, SIGNAL(triggered(bool)), SLOT(goBack()));
-         backAction->setEnabled(false);
+       connect(backAction, SIGNAL(triggered(bool)), SLOT(goBack()));
+
        QAction *quitAction = new QAction("&Quit", this);
        quitAction->setShortcut(Qt::CTRL + Qt::Key_Q);
-         connect(quitAction, SIGNAL(triggered(bool)), SLOT(close()));
+       connect(quitAction, SIGNAL(triggered(bool)), SLOT(close()));
+
        QAction *loadAction = new QAction(QPixmap(xpm_load), "&Load", this);
        loadAction->setShortcut(Qt::CTRL + Qt::Key_L);
-         connect(loadAction, SIGNAL(triggered(bool)), SLOT(loadConfig()));
+       connect(loadAction, SIGNAL(triggered(bool)), SLOT(loadConfig()));
+
        saveAction = new QAction(QPixmap(xpm_save), "&Save", this);
        saveAction->setShortcut(Qt::CTRL + Qt::Key_S);
-         connect(saveAction, SIGNAL(triggered(bool)), SLOT(saveConfig()));
+       connect(saveAction, SIGNAL(triggered(bool)), SLOT(saveConfig()));
+
        conf_set_changed_callback(conf_changed);
+
        // Set saveAction's initial state
        conf_changed();
        configname = xstrdup(conf_get_configname());
@@ -1667,21 +1671,11 @@ void ConfigMainWindow::searchConfig(void)
 void ConfigMainWindow::changeItens(struct menu *menu)
 {
        configList->setRootMenu(menu);
-
-       if (configList->rootEntry->parent == &rootmenu)
-               backAction->setEnabled(false);
-       else
-               backAction->setEnabled(true);
 }
 
 void ConfigMainWindow::changeMenu(struct menu *menu)
 {
        menuList->setRootMenu(menu);
-
-       if (menuList->rootEntry->parent == &rootmenu)
-               backAction->setEnabled(false);
-       else
-               backAction->setEnabled(true);
 }
 
 void ConfigMainWindow::setMenuLink(struct menu *menu)
@@ -1748,25 +1742,11 @@ void ConfigMainWindow::listFocusChanged(void)
 
 void ConfigMainWindow::goBack(void)
 {
-       ConfigItem* item, *oldSelection;
+qInfo() << __FUNCTION__;
+       if (configList->rootEntry == &rootmenu)
+               return;
 
        configList->setParentMenu();
-       if (configList->rootEntry == &rootmenu)
-               backAction->setEnabled(false);
-
-       if (menuList->selectedItems().count() == 0)
-               return;
-
-       item = (ConfigItem*)menuList->selectedItems().first();
-       oldSelection = item;
-       while (item) {
-               if (item->menu == configList->rootEntry) {
-                       oldSelection->setSelected(false);
-                       item->setSelected(true);
-                       break;
-               }
-               item = (ConfigItem*)item->parent();
-       }
 }
 
 void ConfigMainWindow::showSingleView(void)
@@ -1778,6 +1758,8 @@ void ConfigMainWindow::showSingleView(void)
        fullViewAction->setEnabled(true);
        fullViewAction->setChecked(false);
 
+       backAction->setEnabled(true);
+
        menuView->hide();
        menuList->setRootMenu(0);
        configList->mode = singleMode;
@@ -1797,6 +1779,8 @@ void ConfigMainWindow::showSplitView(void)
        fullViewAction->setEnabled(true);
        fullViewAction->setChecked(false);
 
+       backAction->setEnabled(false);
+
        configList->mode = menuMode;
        if (configList->rootEntry == &rootmenu)
                configList->updateListAll();
@@ -1820,6 +1804,8 @@ void ConfigMainWindow::showFullView(void)
        fullViewAction->setEnabled(false);
        fullViewAction->setChecked(true);
 
+       backAction->setEnabled(false);
+
        menuView->hide();
        menuList->setRootMenu(0);
        configList->mode = fullMode;
-- 
2.26.2