In stack mode, draw the zoom button if the window is active otherwise use the space to draw the title. The idea to draw one zoom button at the rightmost tab does not work because in focus follow mouse mode the particular tab may loose the focus when move the mouse to the zoom button.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38487 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/decorators/SATDecorator/SATDecorator.cpp

@@ -69,9 +69,10 @@ SATDecorator::SATDecorator(DesktopSettings& settings, BRect frame,
 	fBordersHighlighted(false),
 
 	fStackedMode(false),
-	fStackedDrawZoom(false),
 	fStackedTabLength(0)
 {
+	fStackedDrawZoom = IsFocus();
+
 	// all colors are state based
 	fNonHighlightFrameColors[0] = (rgb_color){ 152, 152, 152, 255 };
 	fNonHighlightFrameColors[1] = (rgb_color){ 240, 240, 240, 255 };
@@ -169,10 +170,9 @@ SATDecorator::SetStackedMode(bool stacked, BRegion* dirty)
 
 
 void
-SATDecorator::SetStackedTabLength(float length, bool drawZoom, BRegion* dirty)
+SATDecorator::SetStackedTabLength(float length, BRegion* dirty)
 {
 	fStackedTabLength = length;
-	fStackedDrawZoom = drawZoom;
 
 	dirty->Include(fTabRect);
 	_DoLayout();
@@ -531,6 +531,24 @@ SATDecorator::_SetTabLocation(float location, BRegion* updateRegion)
 }
 
 
+void
+SATDecorator::_SetFocus()
+{
+	DefaultDecorator::_SetFocus();
+
+	if (!fStackedMode)
+		return;
+
+	if (IsFocus())
+		fStackedDrawZoom = true;
+	else
+		fStackedDrawZoom = false;
+
+	_DoLayout();
+
+}
+
+
 extern "C" DecorAddOn* (instantiate_decor_addon)(image_id id, const char* name)
 {
 	return new (std::nothrow)SATDecorAddOn(id, name);

src/add-ons/decorators/SATDecorator/SATDecorator.h

@@ -47,8 +47,7 @@ public:
 
 		/*! Set the tab length if the decorator is in stacked mode and if the 
 		tab is the last one in the tab bar. */
-		void			SetStackedTabLength(float length, bool drawZoom,
-							BRegion* dirty);
+		void			SetStackedTabLength(float length, BRegion* dirty);
 		float			StackedTabLength() { return fStackedTabLength; }
 
 protected:
@@ -58,6 +57,8 @@ protected:
 
 		bool			_SetTabLocation(float location,
 							BRegion* updateRegion = NULL);
+		void			_SetFocus();
+
 private:
 		bool			fTabHighlighted;
 		bool			fBordersHighlighted;

src/add-ons/decorators/SATDecorator/SATWindow.cpp

@@ -564,12 +564,12 @@ SATWindow::SetStackedMode(bool stacked)
 
 
 bool
-SATWindow::SetStackedTabLength(float length, bool drawZoom)
+SATWindow::SetStackedTabLength(float length)
 {
 	if (!fDecorator)
 		return false;
 	BRegion dirty;
-	fDecorator->SetStackedTabLength(length, drawZoom, &dirty);
+	fDecorator->SetStackedTabLength(length, &dirty);
 	fDesktop->RebuildAndRedrawAfterWindowChange(fWindow, dirty);
 	return true;
 }

src/add-ons/decorators/SATDecorator/SATWindow.h

@@ -114,7 +114,7 @@ public:
 		bool				IsBordersHighlighted();
 
 		bool				SetStackedMode(bool stacked = true);
-		bool				SetStackedTabLength(float length, bool drawZoom);
+		bool				SetStackedTabLength(float length);
 		bool				SetStackedTabMoving(bool moving = true);
 		void				TabLocationMoved(float location, bool shifting);
 

src/add-ons/decorators/SATDecorator/Stacking.cpp

@@ -293,7 +293,6 @@ SATStacking::TabLocationMoved(float location, bool shifting)
 	ASSERT(windowIndex >= 0);
 	float tabLength = stackedWindows.ItemAt(0)->GetDecorator()
 		->StackedTabLength();
-	float tabLengthZoom = tabLength + decorator->GetZoomOffsetToRight();
 
 	float oldTabPosition = windowIndex * (tabLength + 1);
 	if (fabs(oldTabPosition - location) < tabLength / 2)
@@ -312,16 +311,6 @@ SATStacking::TabLocationMoved(float location, bool shifting)
 	float newNeighbourPosition = windowIndex * (tabLength + 1);
 	area->MoveWindowToPosition(fSATWindow, neighbourIndex);
 	desktop->SetWindowTabLocation(neighbour->GetWindow(), newNeighbourPosition);
-
-	// update zoom buttons
-	if (windowIndex == stackedWindows.CountItems() - 1) {
-		fSATWindow->SetStackedTabLength(tabLength, false);
-		neighbour->SetStackedTabLength(tabLengthZoom, true);
-	}
-	else if (neighbourIndex == stackedWindows.CountItems() - 1) {
-		neighbour->SetStackedTabLength(tabLength, false);
-		fSATWindow->SetStackedTabLength(tabLengthZoom, true);
-	}
 }
 
 
@@ -363,8 +352,7 @@ SATStacking::_AdjustWindowTabs()
 
 	const SATWindowList& stackedWindows = area->WindowList();
 
-	float zoomOffset = decorator->GetZoomOffsetToRight();
-	float tabBarLength = frame.Width() - zoomOffset;
+	float tabBarLength = frame.Width();
 
 	ASSERT(tabBarLength > 0);
 	float tabLength = tabBarLength / stackedWindows.CountItems();
@@ -374,11 +362,7 @@ SATStacking::_AdjustWindowTabs()
 	float location = 0;
 	for (int i = 0; i < stackedWindows.CountItems(); i++) {
 		SATWindow* window = stackedWindows.ItemAt(i);
-		if (i == stackedWindows.CountItems() - 1)
-			window->SetStackedTabLength(tabLength - 1 + zoomOffset, true);
-				// last tab
-		else
-			window->SetStackedTabLength(tabLength - 1, false);
+		window->SetStackedTabLength(tabLength - 1);
 
 		desktop->SetWindowTabLocation(window->GetWindow(), location);
 		location += tabLength;