added help hotkey in UI mode (F1)

added missing anchors

Changes.txt

@@ -14,11 +14,13 @@
 
 6.5.2 to 6.5.3 (XXX, 2021)
 
+  * Added context-sensitive help (TODO: doc)
+
   * Improved support of multiple monitors with different resolutions.
 
   * Improved analog input reading (Paddles, Keyboards...).
 
-  * Fixed QuadTari handling for controller types other than Joysticks.
+  * Fixed QuadTari support for controller types other than Joysticks.
 
   * Fixed palette and TV effects saving for Retron77.
 

src/common/PKeyboardHandler.cxx

@@ -811,6 +811,7 @@ PhysicalKeyboardHandler::DefaultMenuMapping = {
   {Event::UITabNext,                KBDK_BACKSPACE},  // back (FRY)
 #else // defining duplicate keys must be avoided!
   {Event::UIPrevDir,                KBDK_BACKSPACE},
+  {Event::UIHelp,              KBDK_F1},
 #endif
 };
 

src/common/jsonDefinitions.hxx

@@ -267,6 +267,7 @@ NLOHMANN_JSON_SERIALIZE_ENUM(Event::Type, {
   {Event::UIPrevDir, "UIPrevDir"},
   {Event::UITabPrev, "UITabPrev"},
   {Event::UITabNext, "UITabNext"},
+  {Event::UIHelp, "UIHelp"},
   {Event::MouseAxisXMove, "MouseAxisXMove"},
   {Event::MouseAxisYMove, "MouseAxisYMove"},
   {Event::MouseAxisXValue, "MouseAxisXValue"},

src/emucore/Event.hxx

@@ -168,6 +168,7 @@ class Event
 
       SALeftAxis0Value, SALeftAxis1Value, SARightAxis0Value, SARightAxis1Value,
       PaddleFourFire, PaddleFiveFire, PaddleSixFire, PaddleSevenFire,
+      UIHelp,
       LastType
     };
 

src/emucore/EventHandler.cxx

@@ -3306,7 +3306,9 @@ EventHandler::MenuActionList EventHandler::ourMenuActionList = { {
 
   { Event::UIPrevDir,         "Parent directory",     "" },
   { Event::ToggleFullScreen,  "Toggle fullscreen",    "" },
-  { Event::Quit,              "Quit",                 "" }
+  { Event::Quit,              "Quit",                 "" },
+  { Event::UIHelp,       "Help"                  "" }
+
 } };
 
 // Event groups

src/emucore/EventHandler.hxx

@@ -646,7 +646,7 @@ class EventHandler
       REFRESH_SIZE         = 0,
     #endif
       EMUL_ACTIONLIST_SIZE = 211 + PNG_SIZE + COMBO_SIZE + REFRESH_SIZE,
-      MENU_ACTIONLIST_SIZE = 18
+      MENU_ACTIONLIST_SIZE = 19
     ;
 
     // The event(s) assigned to each combination event

src/gui/Dialog.cxx

@@ -152,9 +152,13 @@ void Dialog::setHelpAnchor(const string& helpAnchor, bool debugger)
   _debuggerHelp = debugger;
 
   if(_helpWidget == nullptr)
+  {
     _helpWidget = new ButtonWidget(this, _font, _w - _font.getMaxCharWidth() * 3.5, 0,
-                                   _font.getMaxCharWidth() * 3.5, buttonHeight(), "?",
+                                   _font.getMaxCharWidth() * 3.5 + 0.5, buttonHeight(), "?",
                                    kHelpCmd);
+    _helpWidget->setBGColor(kColorTitleBar);
+    _helpWidget->setTextColor(kColorTitleText);
+  }
 
   if(hasTitle() && hasHelp())
     _helpWidget->clearFlags(Widget::FLAG_INVISIBLE);
@@ -166,10 +170,26 @@ void Dialog::setHelpAnchor(const string& helpAnchor, bool debugger)
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 const string Dialog::getHelpURL()
 {
+  if(!_helpAnchor.empty())
+  {
     if(_debuggerHelp)
       return "https://stella-emu.github.io/docs/debugger.html#" + _helpAnchor;
     else
       return "https://stella-emu.github.io/docs/index.html#" + _helpAnchor;
+  }
+  return EmptyString;
+}
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void Dialog::openHelp()
+{
+  if(hasHelp())
+  {
+    if(SDL_OpenURL(getHelpURL().c_str()))
+    {
+      cerr << "error opening URL " << getHelpURL() << endl;
+    }
+  }
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -831,6 +851,9 @@ bool Dialog::handleNavEvent(Event::Type e, bool repeated)
         return true;
       }
       break;
+    case Event::UIHelp:
+      openHelp();
+      return true;
 
     default:
       return false;
@@ -880,14 +903,9 @@ void Dialog::handleCommand(CommandSender* sender, int cmd, int data, int id)
       break;
 
     case kHelpCmd:
-      if(hasHelp())
-      {
-        if(SDL_OpenURL(getHelpURL().c_str()))
-        {
-          cerr << "error opening URL " << getHelpURL() << endl;
-        }
+      openHelp();
       break;
-    }
+
     default:
       break;
   }

src/gui/Dialog.hxx

@@ -98,7 +98,6 @@ class Dialog : public GuiObject
     bool hasTitle() { return !_title.empty(); }
 
     void setHelpAnchor(const string& helpAnchor, bool debugger = false);
-    const string getHelpURL();
 
     virtual bool isShading() const { return true; }
 
@@ -201,8 +200,6 @@ class Dialog : public GuiObject
 
     virtual bool repeatEnabled() { return true; }
 
-    bool hasHelp() { return !getHelpURL().empty(); }
-
   private:
     enum {
       kHelpCmd = 'DlHp'
@@ -212,6 +209,9 @@ class Dialog : public GuiObject
     bool handleNavEvent(Event::Type e, bool repeated = false);
     void getTabIdForWidget(Widget* w);
     bool cycleTab(int direction);
+    const string getHelpURL();
+    bool hasHelp() { return !getHelpURL().empty(); }
+    void openHelp();
 
   protected:
     const GUI::Font& _font;

src/gui/HelpDialog.cxx

@@ -84,7 +84,7 @@ HelpDialog::HelpDialog(OSystem& osystem, DialogContainer& parent,
 
   addToFocusList(wid);
 
-  setHelpAnchor(" ");
+  setHelpAnchor("Hotkeys");
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/InputDialog.cxx

@@ -235,8 +235,6 @@ void InputDialog::addDevicePortTab()
 
   // Add items for virtual device ports
   addToFocusList(wid, myTab, tabID);
-
-  setHelpAnchor("Input");
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/RomAuditDialog.cxx

@@ -83,6 +83,8 @@ RomAuditDialog::RomAuditDialog(OSystem& osystem, DialogContainer& parent,
   // Add OK and Cancel buttons
   addOKCancelBGroup(wid, font, "Audit", "Close");
   addBGroupToFocusList(wid);
+
+  setHelpAnchor("ROMAudit");
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/WhatsNewDialog.cxx

@@ -55,9 +55,12 @@ WhatsNewDialog::WhatsNewDialog(OSystem& osystem, DialogContainer& parent,
     add(ypos, "fixed paddle button bug for jittering controllers");
     add(ypos, "improved switching between joysticks and paddles");
     add(ypos, "improved memory usage in UI mode");
-  }
     add(ypos, "fixed broken Driving Controller support for Stelladaptor/2600-daptor devices");
     add(ypos, "fixed missing QuadTari option in UI");
+  }
+  add(ypos, "improved analog input reading");
+  add(ypos, "fixed QuadTari support for some controller types");
+  add(ypos, "fixed palette and TV effects saving");
 #else
   if(version < "6.5")
   {
@@ -70,9 +73,13 @@ WhatsNewDialog::WhatsNewDialog(OSystem& osystem, DialogContainer& parent,
     add(ypos, "added sound to Time Machine playback");
     add(ypos, "moved settings, properties etc. to an SQLite database");
     add(ypos, "fixed paddle button bug for jittering controllers");
-  }
     add(ypos, "fixed broken Driving Controller support for Stelladaptor/2600-daptor devices");
     add(ypos, "fixed missing QuadTari option in UI");
+  }
+  add(ypos, "added context-sensitive help");
+  add(ypos, "improved analog input reading");
+  add(ypos, "improved multi-monitor support");
+  add(ypos, "fixed QuadTari support for some controller types");
   add(ypos, ELLIPSIS + " (for a complete list see 'docs/Changes.txt')");
 #endif