kconfig: jump to linked menu prompt

If clicking on of the links, which leads to a visible prompt, jump to it in
the symbol list.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 425ce5c..393f374 100644 (file)
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -381,6 +381,18 @@ void ConfigList::saveSettings(void)
        }
 }
 
+ConfigItem* ConfigList::findConfigItem(struct menu *menu)
+{
+       ConfigItem* item = (ConfigItem*)menu->data;
+
+       for (; item; item = item->nextItem) {
+               if (this == item->listView())
+                       break;
+       }
+
+       return item;
+}
+
 void ConfigList::updateSelection(void)
 {
        struct menu *menu;
@@ -524,6 +536,7 @@ void ConfigList::setRootMenu(struct menu *menu)
        rootEntry = menu;
        updateListAll();
        setSelected(currentItem(), hasFocus());
+       ensureItemVisible(currentItem());
 }
 
 void ConfigList::setParentMenu(void)
@@ -766,14 +779,16 @@ skip:
 
 void ConfigList::focusInEvent(QFocusEvent *e)
 {
-       Parent::focusInEvent(e);
+       struct menu *menu = NULL;
 
-       QListViewItem* item = currentItem();
-       if (!item)
-               return;
+       Parent::focusInEvent(e);
 
-       setSelected(item, TRUE);
-       emit gotFocus();
+       ConfigItem* item = (ConfigItem *)currentItem();
+       if (item) {
+               setSelected(item, TRUE);
+               menu = item->menu;
+       }
+       emit gotFocus(menu);
 }
 
 void ConfigList::contextMenuEvent(QContextMenuEvent *e)
@@ -933,6 +948,8 @@ void ConfigInfoView::setShowDebug(bool b)
 
 void ConfigInfoView::setInfo(struct menu *m)
 {
+       if (menu == m)
+               return;
        menu = m;
        if (!menu)
                clear();
@@ -954,6 +971,7 @@ void ConfigInfoView::setSource(const QString& name)
                if (sscanf(p, "m%p", &m) == 1 && menu != m) {
                        menu = m;
                        menuInfo();
+                       emit menuSelected(menu);
                }
                break;
        case 's':
@@ -1380,10 +1398,14 @@ ConfigMainWindow::ConfigMainWindow(void)
        connect(menuList, SIGNAL(menuSelected(struct menu *)),
                SLOT(changeMenu(struct menu *)));
 
-       connect(configList, SIGNAL(gotFocus(void)),
-               SLOT(listFocusChanged(void)));
-       connect(menuList, SIGNAL(gotFocus(void)),
+       connect(configList, SIGNAL(gotFocus(struct menu *)),
+               helpText, SLOT(setInfo(struct menu *)));
+       connect(menuList, SIGNAL(gotFocus(struct menu *)),
+               helpText, SLOT(setInfo(struct menu *)));
+       connect(menuList, SIGNAL(gotFocus(struct menu *)),
                SLOT(listFocusChanged(void)));
+       connect(helpText, SIGNAL(menuSelected(struct menu *)),
+               SLOT(setMenuLink(struct menu *)));
 
        QString listMode = configSettings->readEntry("/listMode", "symbol");
        if (listMode == "single")
@@ -1403,18 +1425,6 @@ ConfigMainWindow::ConfigMainWindow(void)
                split2->setSizes(sizes);
 }
 
-/*
- * display a new help entry as soon as a new menu entry is selected
- */
-void ConfigMainWindow::setHelp(QListViewItem* item)
-{
-       struct menu* menu = 0;
-
-       if (item)
-               menu = ((ConfigItem*)item)->menu;
-       helpText->setInfo(menu);
-}
-
 void ConfigMainWindow::loadConfig(void)
 {
        QString s = QFileDialog::getOpenFileName(".config", NULL, this);
@@ -1453,17 +1463,62 @@ void ConfigMainWindow::changeMenu(struct menu *menu)
        backAction->setEnabled(TRUE);
 }
 
-void ConfigMainWindow::listFocusChanged(void)
+void ConfigMainWindow::setMenuLink(struct menu *menu)
 {
-       if (menuList->hasFocus()) {
-               if (menuList->mode == menuMode)
+       struct menu *parent;
+       ConfigList* list = NULL;
+       ConfigItem* item;
+
+       if (!menu_is_visible(menu) && !configView->showAll())
+               return;
+
+       switch (configList->mode) {
+       case singleMode:
+               list = configList;
+               parent = menu_get_parent_menu(menu);
+               if (!parent)
+                       return;
+               list->setRootMenu(parent);
+               break;
+       case symbolMode:
+               if (menu->flags & MENU_ROOT) {
+                       configList->setRootMenu(menu);
                        configList->clearSelection();
-               setHelp(menuList->selectedItem());
-       } else if (configList->hasFocus()) {
-               setHelp(configList->selectedItem());
+                       list = menuList;
+               } else {
+                       list = configList;
+                       parent = menu_get_parent_menu(menu->parent);
+                       if (!parent)
+                               return;
+                       item = menuList->findConfigItem(parent);
+                       if (item) {
+                               menuList->setSelected(item, TRUE);
+                               menuList->ensureItemVisible(item);
+                       }
+                       list->setRootMenu(parent);
+               }
+               break;
+       case fullMode:
+               list = configList;
+               break;
+       }
+
+       if (list) {
+               item = list->findConfigItem(menu);
+               if (item) {
+                       list->setSelected(item, TRUE);
+                       list->ensureItemVisible(item);
+                       list->setFocus();
+               }
        }
 }
 
+void ConfigMainWindow::listFocusChanged(void)
+{
+       if (menuList->mode == menuMode)
+               configList->clearSelection();
+}
+
 void ConfigMainWindow::goBack(void)
 {
        ConfigItem* item;

diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h
index b824f78..6a9e3b1 100644 (file)
--- a/scripts/kconfig/qconf.h
+++ b/scripts/kconfig/qconf.h
@@ -55,6 +55,7 @@ public:
        {
                return (ConfigView*)Parent::parent();
        }
+       ConfigItem* findConfigItem(struct menu *);
 
 protected:
        void keyPressEvent(QKeyEvent *e);
@@ -77,7 +78,7 @@ signals:
        void menuChanged(struct menu *menu);
        void menuSelected(struct menu *menu);
        void parentSelected(void);
-       void gotFocus(void);
+       void gotFocus(struct menu *);
 
 public:
        void updateListAll(void)
@@ -258,6 +259,7 @@ public slots:
 
 signals:
        void showDebugChanged(bool);
+       void menuSelected(struct menu *);
 
 protected:
        void symbolInfo(void);
@@ -298,8 +300,8 @@ class ConfigMainWindow : public QMainWindow {
 public:
        ConfigMainWindow(void);
 public slots:
-       void setHelp(QListViewItem* item);
        void changeMenu(struct menu *);
+       void setMenuLink(struct menu *);
        void listFocusChanged(void);
        void goBack(void);
        void loadConfig(void);