Commit 3b354c55 authored by Karsten Wiese's avatar Karsten Wiese Committed by Linus Torvalds

[PATCH] kconfig: add "void conf_set_changed_callback(void (*fn)(void))", use it in qconf.cc

Added function sets "void (*conf_changed_callback)(void)".  Call it, if
.config's changed state changes.  Use above in qconf.cc to set gui's
save-widget's sensitvity.
Signed-off-by: default avatarKarsten Wiese <fzu@wemgehoertderstaat.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Acked-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent bfc10001
......@@ -767,18 +767,28 @@ int conf_write_autoconf(void)
}
static int sym_change_count;
static void (*conf_changed_callback)(void);
void sym_set_change_count(int count)
{
int _sym_change_count = sym_change_count;
sym_change_count = count;
if (conf_changed_callback &&
(bool)_sym_change_count != (bool)count)
conf_changed_callback();
}
void sym_add_change_count(int count)
{
sym_change_count += count;
sym_set_change_count(count + sym_change_count);
}
bool conf_get_changed(void)
{
return sym_change_count;
}
void conf_set_changed_callback(void (*fn)(void))
{
conf_changed_callback = fn;
}
......@@ -6,6 +6,7 @@ P(conf_read_simple,int,(const char *name, int));
P(conf_write,int,(const char *name));
P(conf_write_autoconf,int,(void));
P(conf_get_changed,bool,(void));
P(conf_set_changed_callback, void,(void (*fn)(void)));
/* menu.c */
P(rootmenu,struct menu,);
......
......@@ -38,6 +38,8 @@
static QApplication *configApp;
static ConfigSettings *configSettings;
QAction *ConfigMainWindow::saveAction;
static inline QString qgettext(const char* str)
{
return QString::fromLocal8Bit(gettext(str));
......@@ -1306,8 +1308,11 @@ ConfigMainWindow::ConfigMainWindow(void)
connect(quitAction, SIGNAL(activated()), SLOT(close()));
QAction *loadAction = new QAction("Load", QPixmap(xpm_load), "&Load", CTRL+Key_L, this);
connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
QAction *saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this);
saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this);
connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
conf_set_changed_callback(conf_changed);
// Set saveAction's initial state
conf_changed();
QAction *saveAsAction = new QAction("Save As...", "Save &As...", 0, this);
connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
QAction *searchAction = new QAction("Search", "&Search", CTRL+Key_F, this);
......@@ -1658,6 +1663,12 @@ void ConfigMainWindow::saveSettings(void)
configSettings->writeSizes("/split2", split2->sizes());
}
void ConfigMainWindow::conf_changed(void)
{
if (saveAction)
saveAction->setEnabled(conf_get_changed());
}
void fixup_rootmenu(struct menu *menu)
{
struct menu *child;
......
......@@ -297,6 +297,9 @@ public slots:
class ConfigMainWindow : public QMainWindow {
Q_OBJECT
static QAction *saveAction;
static void conf_changed(void);
public:
ConfigMainWindow(void);
public slots:
......
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