Make statusbar widgets configurable

qutebrowser/config/configdata.yml

@@ -1171,6 +1171,23 @@ statusbar.position:
   default: bottom
   desc: Position of the status bar.
 
+statusbar.widgets:
+  type:
+    name: List
+    valtype:
+      name: String
+      valid_values:
+        - url: "Current page URL."
+        - scroll: "Percentage of the current page position like `10%`."
+        - scroll_raw: "Raw percentage of the current page position like `10`."
+        - history: "Display an arrow when possible to go back/forward in history."
+        - tabs: "Current active tab, e.g. `2`."
+        - keypress: "Display pressed keys when composing a vi command."
+        - progress: "Progress bar for the current page loading."
+    none_ok: true
+  default: ['keypress', 'url', 'scroll', 'history', 'tabs', 'progress']
+  desc: List of widgets displayed in the statusbar.
+
 ## tabs
 
 tabs.background:

qutebrowser/mainwindow/statusbar/backforward.py

@@ -26,6 +26,10 @@ class Backforward(textbase.TextBase):
 
     """Shows navigation indicator (if you can go backward and/or forward)."""
 
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.enabled = False
+
     def on_tab_cur_url_changed(self, tabs):
         """Called on URL changes."""
         tab = tabs.currentWidget()
@@ -45,4 +49,4 @@ class Backforward(textbase.TextBase):
         if text:
             text = '[' + text + ']'
         self.setText(text)
-        self.setVisible(bool(text))
+        self.setVisible(bool(text) and self.enabled)

qutebrowser/mainwindow/statusbar/bar.py

@@ -182,26 +182,13 @@ class StatusBar(QWidget):
         self.cmd.hide_cmd.connect(self._hide_cmd_widget)
         self._hide_cmd_widget()
 
-        self.keystring = keystring.KeyString()
-        self._hbox.addWidget(self.keystring)
-
         self.url = url.UrlText()
-        self._hbox.addWidget(self.url)
-
         self.percentage = percentage.Percentage()
-        self._hbox.addWidget(self.percentage)
-
         self.backforward = backforward.Backforward()
-        self._hbox.addWidget(self.backforward)
-
         self.tabindex = tabindex.TabIndex()
-        self._hbox.addWidget(self.tabindex)
-
-        # We add a parent to Progress here because it calls self.show() based
-        # on some signals, and if that happens before it's added to the layout,
-        # it will quickly blink up as independent window.
+        self.keystring = keystring.KeyString()
         self.prog = progress.Progress(self)
-        self._hbox.addWidget(self.prog)
+        self._draw_widgets()
 
         config.instance.changed.connect(self._on_config_changed)
         QTimer.singleShot(0, self.maybe_hide)
@@ -215,6 +202,48 @@ class StatusBar(QWidget):
             self.maybe_hide()
         elif option == 'statusbar.padding':
             self._set_hbox_padding()
+        elif option == 'statusbar.widgets':
+            self._draw_widgets()
+
+    def _draw_widgets(self):
+        """Draw statusbar widgets."""
+        # Start with widgets hidden and show them when needed
+        for widget in [self.url, self.percentage,
+                       self.backforward, self.tabindex,
+                       self.keystring, self.prog]:
+            widget.hide()
+            self._hbox.removeWidget(widget)
+
+        tab = self._current_tab()
+
+        # Read the list and set widgets accordingly
+        for segment in config.val.statusbar.widgets:
+            if segment == 'url':
+                self._hbox.addWidget(self.url)
+                self.url.show()
+            elif segment == 'scroll':
+                self._hbox.addWidget(self.percentage)
+                self.percentage.show()
+            elif segment == 'scroll_raw':
+                self._hbox.addWidget(self.percentage)
+                self.percentage.raw = True
+                self.percentage.show()
+            elif segment == 'history':
+                self._hbox.addWidget(self.backforward)
+                self.backforward.enabled = True
+                if tab:
+                    self.backforward.on_tab_changed(tab)
+            elif segment == 'tabs':
+                self._hbox.addWidget(self.tabindex)
+                self.tabindex.show()
+            elif segment == 'keypress':
+                self._hbox.addWidget(self.keystring)
+                self.keystring.show()
+            elif segment == 'progress':
+                self._hbox.addWidget(self.prog)
+                self.prog.enabled = True
+                if tab:
+                    self.prog.on_tab_changed(tab)
 
     @pyqtSlot()
     def maybe_hide(self):

qutebrowser/mainwindow/statusbar/percentage.py

@@ -32,6 +32,7 @@ class Percentage(textbase.TextBase):
         """Constructor. Set percentage to 0%."""
         super().__init__(parent)
         self.set_perc(0, 0)
+        self.raw = False
 
     @pyqtSlot(int, int)
     def set_perc(self, x, y):  # pylint: disable=unused-argument
@@ -48,7 +49,8 @@ class Percentage(textbase.TextBase):
         elif y is None:
             self.setText('[???]')
         else:
-            self.setText('[{:2}%]'.format(y))
+            text = '[{:02}]' if self.raw else '[{:02}%]'
+            self.setText(text.format(y))
 
     def on_tab_changed(self, tab):
         """Update scroll position when tab changed."""

qutebrowser/mainwindow/statusbar/progress.py

@@ -46,6 +46,7 @@ class Progress(QProgressBar):
     def __init__(self, parent=None):
         super().__init__(parent)
         config.set_register_stylesheet(self)
+        self.enabled = False
         self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
         self.setTextVisible(False)
         self.hide()
@@ -57,12 +58,12 @@ class Progress(QProgressBar):
     def on_load_started(self):
         """Clear old error and show progress, used as slot to loadStarted."""
         self.setValue(0)
-        self.show()
+        self.setVisible(self.enabled)
 
     def on_tab_changed(self, tab):
         """Set the correct value when the current tab changed."""
         self.setValue(tab.progress())
-        if tab.load_status() == usertypes.LoadStatus.loading:
+        if self.enabled and tab.load_status() == usertypes.LoadStatus.loading:
             self.show()
         else:
             self.hide()