Add undo command

qutebrowser/app.py

@@ -56,6 +56,7 @@ def main():
     cmds['print'].signal.connect(mw.tabs.print_act)
     cmds['scrolldown'].signal.connect(mw.tabs.scroll_down_act)
     cmds['scrollup'].signal.connect(mw.tabs.scroll_up_act)
+    cmds['undo'].signal.connect(mw.tabs.undo_close)
     kp.from_cmd_dict(cmds)
 
     mw.show()

qutebrowser/commands/commands.py

@@ -64,3 +64,8 @@ class ScrollUp(Command):
     nargs = 0
     key = 'k'
     signal = pyqtSignal()
+
+class Undo(Command):
+    nargs = 0
+    key = 'u'
+    signal = pyqtSignal()

qutebrowser/widgets/browser.py

@@ -7,6 +7,7 @@ import logging
 class TabbedBrowser(TabWidget):
     tabs = []
     cur_progress = pyqtSignal(int)
+    url_stack = []
 
     def __init__(self, parent):
         super().__init__(parent)
@@ -29,10 +30,18 @@ class TabbedBrowser(TabWidget):
         tab = self.tabs[self.currentIndex()]
         tab.openurl(url)
 
+    @pyqtSlot()
+    def undo_close(self):
+        if self.url_stack:
+            self.tabopen(self.url_stack.pop())
+
     @pyqtSlot()
     def close_act(self):
         if len(self.tabs) > 1:
             idx = self.currentIndex()
+            # FIXME maybe we should add the QUrl object here and deal with QUrls everywhere
+            # FIXME maybe we actually should store the webview objects here
+            self.url_stack.append(self.tabs[idx].url().url())
             self.tabs.pop(idx)
             self.removeTab(idx)
         else: