update doc for removed "show all files" option

eliminated magic number for initially focus widget in LauncherDialog.cxx

docs/index.html

@@ -2120,11 +2120,6 @@
       <td>Control + D</td>
       <td>Control + D</td>
     </tr>
-    <tr>
-      <td>Toggle show all files</td>
-      <td>Control + A</td>
-      <td>Control + A</td>
-    </tr>
     <tr>
       <td>Toggle favorites sorting (normal or alternative)</td>
       <td>Control + S</td>
@@ -4144,10 +4139,6 @@
       wildcards. E.g. for '(198?)*atari' only ROMs from the 1980s made by
       Atari will be listed.
     </li><li>
-    <img src="graphics/show_roms.png" style="vertical-align: middle; margin-top: 4px; margin-bottom: 4px">
-    <img src="graphics/show_all.png" style="vertical-align: middle; margin-top: 4px; margin-bottom: 4px; margin-right: 4px">
-      Display either files which do have a valid ROM extension or all files.
-    </li><li>
     <img src="graphics/show_current_dir.png" style="vertical-align: middle; margin-top: 4px; margin-bottom: 4px">
     <img src="graphics/show_sub_dirs.png" style="vertical-align: middle; margin-top: 4px; margin-bottom: 4px; margin-right: 4px">
       Display either files from current directory only or all subdirectories too.
@@ -4243,10 +4234,6 @@
       <p><b>Toggle alternative sorting</b> (or 'Control + S'): Toggles
       alternative sorting in the virtual directories.</p>
     </li>
-    <li>
-      <p><b>Show all files/only ROMs</b> (or 'Control + A'): Toggles display of
-      non-ROM files.</p>
-    </li>
     <li>
       <p><b>Include/exclude subdirectories</b> (or 'Control + D'): Toggles searching
       of ROMs in current directory only or all subdirectories too.</p>

src/gui/Dialog.cxx

@@ -404,7 +404,7 @@ void Dialog::addFocusWidget(Widget* w)
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Dialog::addToFocusList(const WidgetArray& list)
+int Dialog::addToFocusList(const WidgetArray& list)
 {
   // All focusable widgets should retain focus
   for(const auto& w: list)
@@ -415,14 +415,16 @@ void Dialog::addToFocusList(const WidgetArray& list)
 
   if(!list.empty())
     _myFocus.widget = list[0];
+
+  return static_cast<int>(_focusList.size());
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Dialog::addToFocusList(const WidgetArray& list, const TabWidget* w, int tabId)
+int Dialog::addToFocusList(const WidgetArray& list, const TabWidget* w, int tabId)
 {
   // Only add the list if the tab actually exists
   if(!w || w->getID() >= _myTabList.size())
-    return;
+    return 0;
 
   assert(w == _myTabList[w->getID()].widget);
 
@@ -448,6 +450,8 @@ void Dialog::addToFocusList(const WidgetArray& list, const TabWidget* w, int tab
 
   if(!list.empty())
     focus[id].widget = list[0];
+
+  return static_cast<int>(focus.size());
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/Dialog.hxx

@@ -76,8 +76,8 @@ class Dialog : public GuiObject
     void tick() override;
 
     void addFocusWidget(Widget* w) override;
-    void addToFocusList(const WidgetArray& list) override;
-    void addToFocusList(const WidgetArray& list, const TabWidget* w, int tabId);
+    int addToFocusList(const WidgetArray& list) override;
+    int addToFocusList(const WidgetArray& list, const TabWidget* w, int tabId);
     void addBGroupToFocusList(const WidgetArray& list) { _buttonGroup = list; }
     void addTabWidget(TabWidget* w);
     void addDefaultWidget(ButtonWidget* w) { _defaultWidget = w; }

src/gui/GuiObject.hxx

@@ -130,7 +130,7 @@ class GuiObject : public CommandReceiver
 
     /** Add given widget(s) to the focus list */
     virtual void addFocusWidget(Widget* w) = 0;
-    virtual void addToFocusList(const WidgetArray& list) = 0;
+    virtual int addToFocusList(const WidgetArray& list) = 0;
 
     /** Return focus list for this object */
     WidgetArray& getFocusList() { return _focusList; }

src/gui/LauncherDialog.cxx

@@ -83,17 +83,13 @@ LauncherDialog::LauncherDialog(OSystem& osystem, DialogContainer& parent,
     addPathWidgets(ypos);
     addFilteringWidgets(ypos);  //-- filtering widget line has file count
   }
-  addRomWidgets(ypos);
+  mySelectedItem = addRomWidgets(ypos) - 1;  // Highlight 'Rom Listing'
   if(!myUseMinimalUI && bottomButtons)
     addButtonWidgets(ypos);
   myNavigationBar->setList(myList);
 
   tooltip().setFont(_font);
 
-  if(myUseMinimalUI) // Highlight 'Rom Listing'
-    mySelectedItem = 0; // skip nothing
-    mySelectedItem = 9; // skip filter items and 6 navigation/help buttons
-                        // FIXME: MAGIC NUMBER HERE!!!
   applyFiltering();
   setHelpAnchor("ROMInfo");
 }
@@ -276,7 +272,7 @@ void LauncherDialog::addPathWidgets(int& ypos)
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void LauncherDialog::addRomWidgets(int ypos)
+int LauncherDialog::addRomWidgets(int ypos)
 {
   const bool bottomButtons = instance().settings().getBool("launcherbuttons");
   const int fontWidth    = Dialog::fontWidth(),
@@ -333,7 +329,7 @@ void LauncherDialog::addRomWidgets(int ypos)
     myRomInfoWidget = new RomInfoWidget(this, *myROMInfoFont,
       xpos, ypos + yofs, imageWidth, myList->getHeight() - yofs);
   }
-  addToFocusList(wid);
+  return addToFocusList(wid);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/LauncherDialog.hxx

@@ -126,7 +126,7 @@ class LauncherDialog : public Dialog, CommandSender
     void addTitleWidget(int& ypos);
     void addFilteringWidgets(int& ypos);
     void addPathWidgets(int& ypos);
-    void addRomWidgets(int ypos);
+    int addRomWidgets(int ypos);
     void addButtonWidgets(int& ypos);
     string getRomDir();
 

src/gui/Widget.hxx

@@ -88,8 +88,9 @@ class Widget : public GuiObject
     void receivedFocus();
     void lostFocus();
     void addFocusWidget(Widget* w) override { _focusList.push_back(w); }
-    void addToFocusList(const WidgetArray& list) override {
+    int addToFocusList(const WidgetArray& list) override {
       Vec::append(_focusList, list);
+      return static_cast<int>(_focusList.size());
     }
 
     /** Set/clear FLAG_ENABLED */