Cleaned up the API for adding/removing dialogs in the GUI. It's strange

how one thing leads to another.  This started when I noticed that exiting
the debugger with a context menu still onscreen locked that widget, and
it couldn't be selected again ...


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@2708 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba

src/debugger/gui/RamWidget.cxx

@@ -230,7 +230,7 @@ void RamWidget::handleCommand(CommandSender* sender, int cmd, int data, int id)
       if(result != "")
         myInputBox->setTitle(result);
       else
-        parent().removeDialog();
+        dialog().close();
       break;
     }
 
@@ -240,7 +240,7 @@ void RamWidget::handleCommand(CommandSender* sender, int cmd, int data, int id)
       if(result != "")
         myInputBox->setTitle(result);
       else
-        parent().removeDialog();
+        dialog().close();
       break;
     }
 

src/debugger/gui/RomWidget.cxx

@@ -220,7 +220,7 @@ void RomWidget::handleCommand(CommandSender* sender, int cmd, int data, int id)
       else
       {
         saveROM(rom);
-        parent().removeDialog();
+        dialog().close();
       }
       break;
     }

src/gui/BrowserDialog.cxx

@@ -133,7 +133,7 @@ void BrowserDialog::show(const string& title, const string& startpath,
   // Doing it this way has the unfortunate side effect that a previous
   // title is temporarily visible when re-using the browser for different
   // purposes
-  parent().addDialog(this);
+  open();
 
   _title->setLabel(title);
   _cmd = cmd;

src/gui/ComboDialog.cxx

@@ -102,7 +102,7 @@ void ComboDialog::show(Event::Type event, const string& name)
   {
     myComboEvent = event;
     myComboName->setLabel("Add events for " + name);
-    parent().addDialog(this);
+    open();
   }
   else
     myComboEvent = Event::NoType;

src/gui/ContextMenu.cxx

@@ -86,7 +86,7 @@ void ContextMenu::show(uInt32 x, uInt32 y, int item)
   _yorig = y;
 
   recalc(instance().frameBuffer().imageRect());
-  parent().addDialog(this);
+  open();
   setSelected(item);
   moveToSelected();
 }

src/gui/Dialog.cxx

@@ -64,7 +64,7 @@ Dialog::~Dialog()
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Dialog::open()
+void Dialog::open(bool refresh)
 {
   // Make sure we have a valid surface to draw into
   // Technically, this shouldn't be needed until drawDialog(), but some
@@ -89,10 +89,12 @@ void Dialog::open()
   buildCurrentFocusList();
 
   _visible = true;
+
+  parent().addDialog(this, refresh);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Dialog::close()
+void Dialog::close(bool refresh)
 {
   if (_mouseWidget)
   {
@@ -101,9 +103,10 @@ void Dialog::close()
   }
 
   releaseFocus();
-  parent().removeDialog();
 
   _visible = false;
+
+  parent().removeDialog(refresh);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/Dialog.hxx

@@ -51,11 +51,12 @@ class Dialog : public GuiObject
 
     virtual ~Dialog();
 
+    void open(bool refresh = true);
+    void close(bool refresh = true);
+
     bool isVisible() const { return _visible; }
     bool isBase() const    { return _isBase;  }
 
-    virtual void open();
-    virtual void close();
     virtual void center();
     virtual void drawDialog();
     virtual void loadConfig() {}

src/gui/DialogContainer.cxx

@@ -108,33 +108,30 @@ void DialogContainer::draw(bool full)
     }
   }
   else if(!myDialogStack.empty())
-  {
     myDialogStack.top()->drawDialog();
-  }
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void DialogContainer::addDialog(Dialog* d)
+void DialogContainer::addDialog(Dialog* d, bool refresh)
 {
   const GUI::Rect& screen = myOSystem->frameBuffer().screenRect();
   assert(d->getWidth() <= screen.width() && d->getHeight() <= screen.height());
 
   myDialogStack.push(d);
-  d->open();
 
-  myOSystem->frameBuffer().refresh();
+  if(refresh)
+    myOSystem->frameBuffer().refresh();
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void DialogContainer::removeDialog()
+void DialogContainer::removeDialog(bool refresh)
 {
   if(!myDialogStack.empty())
   {
     myDialogStack.pop();
 
-    // We need to redraw the entire screen contents, since we don't know
-    // what was obscured
-    myOSystem->frameBuffer().refresh();
+    if(refresh)
+      myOSystem->frameBuffer().refresh();
   }
 }
 
@@ -143,8 +140,11 @@ void DialogContainer::reStack()
 {
   // Pop all items from the stack, and then add the base menu
   while(!myDialogStack.empty())
-    myDialogStack.pop();
-  addDialog(myBaseDialog);
+    myDialogStack.top()->close(false);  // don't force a refresh
+
+  myBaseDialog->open(false);  // don't force a refresh
+
+  myOSystem->frameBuffer().refresh();
 
   // Reset all continuous events
   reset();

src/gui/DialogContainer.hxx

@@ -42,6 +42,7 @@ class OSystem;
 class DialogContainer
 {
   friend class EventHandler;
+  friend class Dialog;
 
   public:
     /**
@@ -124,16 +125,6 @@ class DialogContainer
     */
     void draw(bool full = false);
 
-    /**
-      Add a dialog box to the stack.
-    */
-    void addDialog(Dialog* d);
-
-    /**
-      Remove the topmost dialog box from the stack.
-    */
-    void removeDialog();
-
     /**
       Reset dialog stack to the main configuration menu.
     */
@@ -147,6 +138,16 @@ class DialogContainer
   private:
     void reset();
 
+    /**
+      Add a dialog box to the stack.
+    */
+    void addDialog(Dialog* d, bool refresh);
+
+    /**
+      Remove the topmost dialog box from the stack.
+    */
+    void removeDialog(bool refresh);
+
   protected:
     OSystem* myOSystem;
     Dialog*  myBaseDialog;

src/gui/InputTextDialog.cxx

@@ -103,7 +103,7 @@ InputTextDialog::~InputTextDialog()
 void InputTextDialog::show()
 {
   myEnableCenter = true;
-  parent().addDialog(this);
+  open();
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -112,7 +112,7 @@ void InputTextDialog::show(uInt32 x, uInt32 y)
   myXOrig = x;
   myYOrig = y;
   myEnableCenter = false;
-  parent().addDialog(this);
+  open();
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/LauncherDialog.cxx

@@ -414,11 +414,11 @@ void LauncherDialog::handleContextMenu()
 
   if(cmd == "override")
   {
-    parent().addDialog(myGlobalProps);
+    myGlobalProps->open();
   }
   else if(cmd == "filter")
   {
-    parent().addDialog(myFilters);
+    myFilters->open();
   }
   else if(cmd == "reload")
   {
@@ -562,7 +562,7 @@ void LauncherDialog::handleCommand(CommandSender* sender, int cmd,
     }
 
     case kOptionsCmd:
-      parent().addDialog(myOptions);
+      myOptions->open();
       break;
 
     case kPrevDirCmd:

src/gui/MessageBox.hxx

@@ -46,7 +46,7 @@ class MessageBox : public Dialog, public CommandSender
     virtual ~MessageBox();
 
     /** Place the input dialog onscreen and center it */
-    void show() { parent().addDialog(this); }
+    void show() { open(); }
 
   private:
     void addText(const GUI::Font& font, const StringList& text);

src/gui/OptionsDialog.cxx

@@ -199,49 +199,49 @@ void OptionsDialog::handleCommand(CommandSender* sender, int cmd,
   switch(cmd)
   {
     case kVidCmd:
-      parent().addDialog(myVideoDialog);
+      myVideoDialog->open();
       break;
 
     case kAudCmd:
-      parent().addDialog(myAudioDialog);
+      myAudioDialog->open();
       break;
 
     case kInptCmd:
-      parent().addDialog(myInputDialog);
+      myInputDialog->open();
       break;
 
     case kUsrIfaceCmd:
-      parent().addDialog(myUIDialog);
+      myUIDialog->open();
       break;
 
     case kFileSnapCmd:
-      parent().addDialog(myFileSnapDialog);
+      myFileSnapDialog->open();
       break;
 
     case kAuditCmd:
-      parent().addDialog(myRomAuditDialog);
+      myRomAuditDialog->open();
       break;
 
     case kInfoCmd:
-      parent().addDialog(myGameInfoDialog);
+      myGameInfoDialog->open();
       break;
 
 #ifdef CHEATCODE_SUPPORT
     case kCheatCmd:
-      parent().addDialog(myCheatCodeDialog);
+      myCheatCodeDialog->open();
       break;
 #endif
 
     case kLoggerCmd:
-      parent().addDialog(myLoggerDialog);
+      myLoggerDialog->open();
       break;
 
     case kHelpCmd:
-      parent().addDialog(myHelpDialog);
+      myHelpDialog->open();
       break;
 
     case kAboutCmd:
-      parent().addDialog(myAboutDialog);
+      open();
       break;
 
     case kExitCmd:

src/gui/ProgressDialog.cxx

@@ -58,7 +58,7 @@ ProgressDialog::ProgressDialog(GuiObject* boss, const GUI::Font& font,
   mySlider->setMinValue(1);
   mySlider->setMaxValue(100);
 
-  parent().addDialog(this);
+  open();
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -