console: click-enable tabs

libmproxy/console/tabs.py

@@ -2,6 +2,24 @@ import urwid
 import signals
 
 
+class Tab(urwid.WidgetWrap):
+    def __init__(self, offset, content, attr, onclick):
+        """
+            onclick is called on click with the tab offset as argument
+        """
+        p = urwid.Text(content, align="center")
+        p = urwid.Padding(p, align="center", width=("relative", 100))
+        p = urwid.AttrWrap(p, attr)
+        urwid.WidgetWrap.__init__(self, p)
+        self.offset = offset
+        self.onclick = onclick
+
+    def mouse_event(self, size, event, button, col, row, focus):
+        if event == "mouse press" and button == 1:
+            self.onclick(self.offset)
+            return True
+
+
 class Tabs(urwid.WidgetWrap):
     def __init__(self, tabs, tab_offset=0):
         urwid.WidgetWrap.__init__(self, "")
@@ -9,19 +27,16 @@ class Tabs(urwid.WidgetWrap):
         self.tabs = tabs
         self.show()
 
-    def _tab(self, content, attr):
+    def change_tab(self, offset):
-        p = urwid.Text(content, align="center")
+        self.tab_offset = offset
-        p = urwid.Padding(p, align="center", width=("relative", 100))
+        self.show()
-        p = urwid.AttrWrap(p, attr)
-        return p
 
     def keypress(self, size, key):
+        n = len(self.tabs)
         if key in ["tab", "l"]:
-            self.tab_offset = (self.tab_offset + 1) % (len(self.tabs))
+            self.change_tab((self.tab_offset + 1) % n)
-            self.show()
         elif key == "h":
-            self.tab_offset = (self.tab_offset - 1) % (len(self.tabs))
+            self.change_tab((self.tab_offset - 1) % n)
-            self.show()
         return self._w.keypress(size, key)
 
     def show(self):
@@ -29,9 +44,23 @@ class Tabs(urwid.WidgetWrap):
         for i in range(len(self.tabs)):
             txt = self.tabs[i][0]()
             if i == self.tab_offset:
-                headers.append(self._tab(txt, "heading"))
+                headers.append(
+                    Tab(
+                        i,
+                        txt,
+                        "heading",
+                        self.change_tab
+                    )
+                )
             else:
-                headers.append(self._tab(txt, "heading_inactive"))
+                headers.append(
+                    Tab(
+                        i,
+                        txt,
+                        "heading_inactive",
+                        self.change_tab
+                    )
+                )
         headers = urwid.Columns(headers, dividechars=1)
         self._w = urwid.Frame(
             body = self.tabs[self.tab_offset][1](),