kconfig: create links in info window

Extend the expression print helper function to allow customization of the
symbol output and use it to add links to the info window.

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>

1 files changed, 52 insertions, 5 deletions

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index f3f86e735a87..425ce5ce2d12 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -925,6 +925,8 @@ void ConfigInfoView::setShowDebug(bool b)
                 _showDebug = b;
                 if (menu)
                         menuInfo();
+                else if (sym)
+                        symbolInfo();
                 emit showDebugChanged(b);
         }
 }
@@ -943,15 +945,44 @@ void ConfigInfoView::setSource(const QString& name)
         const char *p = name.latin1();
 
         menu = NULL;
+        sym = NULL;
 
         switch (p[0]) {
         case 'm':
-                if (sscanf(p, "m%p", &menu) == 1)
+                struct menu *m;
+
+                if (sscanf(p, "m%p", &m) == 1 && menu != m) {
+                        menu = m;
                         menuInfo();
+                }
+                break;
+        case 's':
+                struct symbol *s;
+
+                if (sscanf(p, "s%p", &s) == 1 && sym != s) {
+                        sym = s;
+                        symbolInfo();
+                }
                 break;
         }
 }
 
+void ConfigInfoView::symbolInfo(void)
+{
+        QString str;
+
+        str += "<big>Symbol: <b>";
+        str += print_filter(sym->name);
+        str += "</b></big><br><br>value: ";
+        str += print_filter(sym_get_string_value(sym));
+        str += "<br>visibility: ";
+        str += sym->visible == yes ? "y" : sym->visible == mod ? "m" : "n";
+        str += "<br>";
+        str += debug_info(sym);
+
+        setText(str);
+}
+
 void ConfigInfoView::menuInfo(void)
 {
         struct symbol* sym;
@@ -965,12 +996,20 @@ void ConfigInfoView::menuInfo(void)
                         head += "</b></big>";
                         if (sym->name) {
                                 head += " (";
+                                if (showDebug())
+                                        head += QString().sprintf("<a href=\"s%p\">", sym);
                                 head += print_filter(sym->name);
+                                if (showDebug())
+                                        head += "</a>";
                                 head += ")";
                         }
                 } else if (sym->name) {
                         head += "<big><b>";
+                        if (showDebug())
+                                head += QString().sprintf("<a href=\"s%p\">", sym);
                         head += print_filter(sym->name);
+                        if (showDebug())
+                                head += "</a>";
                         head += "</b></big>";
                 }
                 head += "<br><br>";
@@ -1015,9 +1054,9 @@ QString ConfigInfoView::debug_info(struct symbol *sym)
                 switch (prop->type) {
                 case P_PROMPT:
                 case P_MENU:
-                        debug += "prompt: ";
+                        debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu);
                         debug += print_filter(_(prop->text));
-                        debug += "<br>";
+                        debug += "</a><br>";
                         break;
                 case P_DEFAULT:
                         debug += "default: ";
@@ -1088,9 +1127,17 @@ QString ConfigInfoView::print_filter(const QString &str)
         return res;
 }
 
-void ConfigInfoView::expr_print_help(void *data, const char *str)
+void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
 {
-        reinterpret_cast<QString*>(data)->append(print_filter(str));
+        QString* text = reinterpret_cast<QString*>(data);
+        QString str2 = print_filter(str);
+
+        if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
+                *text += QString().sprintf("<a href=\"s%p\">", sym);
+                *text += str2;
+                *text += "</a>";
+        } else
+                *text += str2;
 }
 
 QPopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)