remembers option window position and avoids opening another instance of it, options window is not resizable anymore

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17742 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/deskcalc/CalcOptionsWindow.cpp

@@ -25,9 +25,14 @@ CalcOptions::CalcOptions()
 }
 
 
-CalcOptionsWindow::CalcOptionsWindow(BRect frame, CalcOptions *options)
-	: BWindow(frame, "Options", B_TITLED_WINDOW, B_ASYNCHRONOUS_CONTROLS),
-	  fOptions(options)
+CalcOptionsWindow::CalcOptionsWindow(BRect frame, CalcOptions *options,
+									 BMessage* quitMessage,
+									 BHandler* target)
+	: BWindow(frame, "Options", B_TITLED_WINDOW,
+			  B_ASYNCHRONOUS_CONTROLS | B_NOT_RESIZABLE),
+	  fOptions(options),
+	  fQuitMessage(quitMessage),
+	  fTarget(target)
 {
 	// TODO: revisit when Ingo has created his layout framework...
 	frame.OffsetTo(B_ORIGIN);
@@ -82,14 +87,27 @@ CalcOptionsWindow::CalcOptionsWindow(BRect frame, CalcOptions *options)
 
  
 CalcOptionsWindow::~CalcOptionsWindow()
+{
+	delete fQuitMessage;
+}
+
+
+bool
+CalcOptionsWindow::QuitRequested()
 {
 	// auto num-lock
 	fOptions->auto_num_lock = fAutoNumLockCheckBox->Value() == B_CONTROL_ON;
 
 	// audio feedback
 	fOptions->audio_feedback = fAudioFeedbackCheckBox->Value() == B_CONTROL_ON;
+
+	// notify target of our demise
+	if (fQuitMessage && fTarget && fTarget->Looper()) {
+		fQuitMessage->AddRect("window frame", Frame());
+		fTarget->Looper()->PostMessage(fQuitMessage, fTarget);
+	}
+
+	return true;
 }
 
 
-
-

src/apps/deskcalc/CalcOptionsWindow.h

@@ -26,12 +26,18 @@ class BButton;
 class CalcOptionsWindow : public BWindow {
  public:		
 								CalcOptionsWindow(BRect frame,
-												  CalcOptions* options);
+												  CalcOptions* options,
+												  BMessage* quitMessage,
+												  BHandler* target);
 
 	virtual						~CalcOptionsWindow();
+
+	virtual bool				QuitRequested();
 		
  private:
 			CalcOptions*		fOptions;
+			BMessage*			fQuitMessage;
+			BHandler*			fTarget;
 
 			BCheckBox*			fAutoNumLockCheckBox;
 			BCheckBox*			fAudioFeedbackCheckBox;

src/apps/deskcalc/CalcView.cpp

@@ -35,7 +35,8 @@ const float K_FONT_YPROP		= 0.6f;
 const float K_DISPLAY_YPROP		= 0.2;
 
 enum {
-	K_OPTIONS_REQUESTED =	'opts'
+	K_OPTIONS_REQUESTED			= 'opts',
+	K_OPTIONS_GONE				= 'opgn',
 };
 
 // default calculator key pad layout
@@ -86,7 +87,8 @@ CalcView::CalcView(BRect frame, rgb_color rgbBaseColor)
 	  fPopUpMenu(NULL),
 
 	  fOptions(new CalcOptions()),
-	  fOptionsWindow(NULL)
+	  fOptionsWindow(NULL),
+	  fOptionsWindowFrame(30.0, 50.0, 230.0, 200.0)
 {
 	// tell the app server not to erase our b/g
 	SetViewColor(B_TRANSPARENT_32_BIT);
@@ -120,7 +122,8 @@ CalcView::CalcView(BMessage* archive)
 	  fPopUpMenu(NULL),
 
 	  fOptions(new CalcOptions()),
-	  fOptionsWindow(NULL)
+	  fOptionsWindow(NULL),
+	  fOptionsWindowFrame(30.0, 50.0, 230.0, 200.0)
 {
 	// read data from archive
 	LoadSettings(archive);
@@ -187,11 +190,29 @@ CalcView::MessageReceived(BMessage* message)
 			
 			// calculator options window requested
 			case K_OPTIONS_REQUESTED: {
-				BRect frame(30.0f, 50.0f, 230.0, 200.0);
-				fOptionsWindow = new CalcOptionsWindow(frame, fOptions);
+				if (fOptionsWindow != NULL) {
+// TODO: remove race condition and activate
+//					fOptionsWindow->Activate();
+					break;
+				}
+
+				fOptionsWindow = new CalcOptionsWindow(fOptionsWindowFrame,
+													   fOptions,
+													   new BMessage(K_OPTIONS_GONE),
+													   this);
 				fOptionsWindow->Show();
 				break;
 			}
+
+			// calculator options window has quit
+			case K_OPTIONS_GONE: {
+				fOptionsWindow = NULL;
+
+				BRect frame;
+				if (message->FindRect("window frame", &frame) == B_OK)
+					fOptionsWindowFrame = frame;
+				break;
+			}
 			
 			default:
 				BView::MessageReceived(message);
@@ -284,7 +305,7 @@ CalcView::Draw(BRect updateRect)
 		SetLowColor(fBaseColor);
 		SetDrawingMode(B_OP_COPY);
 		SetFontSize(((fHeight - sizeDisp)/(float)fRows) * K_FONT_YPROP);
-		float baselineOffset = ((fHeight - sizeDisp)/(float)fRows)
+		float baselineOffset = ((fHeight - sizeDisp) / (float)fRows)
 								* (1.0 - K_FONT_YPROP) * 0.5;
 		CalcKey *key = fKeypad;
 		for (int row = 0; row < fRows; row++) {
@@ -601,7 +622,12 @@ CalcView::LoadSettings(BMessage* archive)
 	} else {
 		puts("Missing options from CalcView archive.\n");
 	}
-	
+
+	// load option window frame
+	BRect frame;
+	if (archive->FindRect("option window frame", &frame) == B_OK)
+		fOptionsWindowFrame = frame;
+
 	// load display text
 	const char* display;
 	if (archive->FindString("displayText", &display) < B_OK) {
@@ -645,6 +671,10 @@ CalcView::SaveSettings(BMessage* archive) const
 		ret = archive->AddData("options", B_RAW_TYPE,
 							   fOptions, sizeof(CalcOptions));
 
+	// record option window frame
+	if (ret == B_OK)
+		ret = archive->AddRect("option window frame", fOptionsWindowFrame);
+
 	// record display text
 	if (ret == B_OK)
 		ret = archive->AddString("displayText", fExpression.String());

src/apps/deskcalc/CalcView.h

@@ -104,6 +104,7 @@ class CalcView : public BView {
 			// calculator options.
 			CalcOptions*		fOptions;
 			CalcOptionsWindow*	fOptionsWindow;
+			BRect				fOptionsWindowFrame;
 };
 
 #endif // _CALC_VIEW_H