Add key binding disabled indicator

Signed-off-by: Christian Parpart <christian@parpart.family>

metainfo.xml

@@ -121,6 +121,7 @@
           <li>Add better bell sound (#1378)</li>
           <li>Add config entry to configure behaviour on exit from search mode</li>
           <li>Add handling of different input commands (#629)</li>
+          <li>Add key bindings disabled indicator for status line (#783)</li>
           <li>When switching to normal mode screen will stay in same position (#808)</li>
           <li>Update of contour.desktop file (#1423)</li>
           <li>Changed configuration entry values for `font_locator` down to `native` and `mock` only (#1538).</li>

src/contour/TerminalSession.cpp

@@ -1241,7 +1241,7 @@ bool TerminalSession::operator()(actions::ScrollUp)
 
 bool TerminalSession::operator()(actions::SearchReverse)
 {
-    _terminal.inputHandler().startSearchExternally();
+    terminal().inputHandler().startSearchExternally();
 
     return true;
 }
@@ -1259,6 +1259,15 @@ bool TerminalSession::operator()(actions::ToggleAllKeyMaps)
 {
     _allowKeyMappings = !_allowKeyMappings;
     inputLog()("{} key mappings.", _allowKeyMappings ? "Enabling" : "Disabling");
+
+    if (!_allowKeyMappings)
+    {
+        terminal().setStatusLineDefinition(
+            parseStatusLineDefinition("{}", "{Text:text=key bindings disabled,Left= « ,Right= » }", "{}"));
+        terminal().setStatusDisplay(StatusDisplayType::Indicator);
+    }
+    else
+        terminal().resetStatusLineDefinition();
     return true;
 }
 

src/vtbackend/Terminal.cpp

@@ -679,6 +679,20 @@ void Terminal::triggerWordWiseSelection(CellLocation startPos, TheSelectionHelpe
     }
 }
 
+void Terminal::setStatusLineDefinition(StatusLineDefinition&& definition)
+{
+    _indicatorStatusLineDefinition = std::move(definition);
+    updateIndicatorStatusLine();
+}
+
+void Terminal::resetStatusLineDefinition()
+{
+    _indicatorStatusLineDefinition = parseStatusLineDefinition(_settings.indicatorStatusLine.left,
+                                                               _settings.indicatorStatusLine.middle,
+                                                               _settings.indicatorStatusLine.right);
+    updateIndicatorStatusLine();
+}
+
 bool Terminal::handleMouseSelection(Modifiers modifiers)
 {
     verifyState();

src/vtbackend/Terminal.h

@@ -955,6 +955,9 @@ class Terminal
 
     void triggerWordWiseSelectionWithCustomDelimiters(std::string const& delimiters);
 
+    void setStatusLineDefinition(StatusLineDefinition&& definition);
+    void resetStatusLineDefinition();
+
   private:
     void mainLoop();
     void fillRenderBufferInternal(RenderBuffer& output, bool includeSelection);