Tracker: made title view height depend on font size.

* It now uses a font that's 3/4 the size of the plain font; ie. there
  shouldn't be any change with the default font size.
* Also cleaned up some weird layout code on the way.

src/kits/tracker/ContainerWindow.cpp

@@ -953,18 +953,12 @@ BContainerWindow::Init(const BMessage* message)
 void
 BContainerWindow::InitLayout()
 {
-	BLayoutItem* item
-		= fBorderedView->GroupLayout()->AddView(0, fPoseView->TitleView());
-	BSize minSize = item->MinSize();
-	BSize maxSize = item->MaxSize();
-	item->SetExplicitMinSize(BSize(minSize.Width(), kTitleViewHeight));
-	item->SetExplicitMaxSize(BSize(maxSize.Width(), kTitleViewHeight));
+	fBorderedView->GroupLayout()->AddView(0, fPoseView->TitleView());
 
-	item = fCountContainer->GroupLayout()->AddView(fPoseView->CountView());
-	minSize = item->MinSize();
-	maxSize = item->MaxSize();
+	BLayoutItem* item = fCountContainer->GroupLayout()->AddView(
+		fPoseView->CountView());
 	item->SetExplicitMinSize(BSize(kCountViewWidth, B_H_SCROLL_BAR_HEIGHT));
-	item->SetExplicitMaxSize(BSize(kCountViewWidth, maxSize.Height()));
+	item->SetExplicitMaxSize(BSize(kCountViewWidth, B_SIZE_UNSET));
 
 	// Eliminate the extra borders
 	fMenuContainer->GroupLayout()->SetInsets(0, 0, -1, 0);

src/kits/tracker/FilePanelPriv.cpp

@@ -899,12 +899,7 @@ TFilePanel::RestoreState()
 	}
 
 	// Finish UI creation now that the PoseView is initialized
-	BLayoutItem* item
-		= fBorderedView->GroupLayout()->AddView(0, fPoseView->TitleView());
-	BSize minSize = item->MinSize();
-	BSize maxSize = item->MaxSize();
-	item->SetExplicitMinSize(BSize(minSize.Width(), kTitleViewHeight));
-	item->SetExplicitMaxSize(BSize(maxSize.Width(), kTitleViewHeight));
+	fBorderedView->GroupLayout()->AddView(0, fPoseView->TitleView());
 
 	BRect rect(fBorderedView->Frame());
 	rect.right = rect.left + kCountViewWidth;

src/kits/tracker/PoseView.cpp

@@ -9911,7 +9911,7 @@ BPoseView::CheckAutoScroll(BPoint mouseLoc, bool shouldScroll)
 	border.bottom = border.top;
 	border.top -= kBorderHeight;
 	if (ViewMode() == kListMode)
-		border.top -= kTitleViewHeight;
+		border.top -= TitleView()->Bounds().Height();
 
 	bool selectionScrolling = fSelectionRectInfo.isDragging;
 

src/kits/tracker/TitleView.cpp

@@ -124,9 +124,13 @@ BTitleView::BTitleView(BPoseView* view)
 #endif
 
 	BFont font(be_plain_font);
-	font.SetSize(9);
+	font.SetSize(floorf(be_plain_font->Size() * 0.75f));
 	SetFont(&font);
 
+	font_height height;
+	GetFontHeight(&height);
+	fPreferredHeight = ceilf(height.ascent + height.descent) + 2;
+
 	Reset();
 }
 
@@ -190,6 +194,20 @@ BTitleView::RemoveTitle(BColumn* column)
 }
 
 
+BSize
+BTitleView::MinSize()
+{
+	return BSize(16, fPreferredHeight);
+}
+
+
+BSize
+BTitleView::MaxSize()
+{
+	return BSize(B_SIZE_UNLIMITED, fPreferredHeight);
+}
+
+
 void
 BTitleView::Draw(BRect rect)
 {
@@ -215,8 +233,8 @@ BTitleView::Draw(BRect /*updateRect*/, bool useOffscreen, bool updateOnly,
 		view->SetOrigin(-bounds.left, 0);
 		view->SetLowColor(LowColor());
 		view->SetHighColor(HighColor());
-		BFont font(be_plain_font);
-		font.SetSize(9);
+		BFont font;
+		GetFont(&font);
 		view->SetFont(&font);
 	} else
 		view = this;
@@ -452,7 +470,7 @@ BRect
 BColumnTitle::Bounds() const
 {
 	BRect bounds(fColumn->Offset() - kTitleColumnLeftExtraMargin, 0, 0,
-		kTitleViewHeight);
+		fParent->Bounds().Height());
 	bounds.right = bounds.left + fColumn->Width() + kTitleColumnExtraMargin;
 
 	return bounds;
@@ -463,7 +481,10 @@ void
 BColumnTitle::Draw(BView* view, bool pressed)
 {
 	BRect bounds(Bounds());
-	BPoint loc(0, bounds.bottom - 4);
+
+	font_height height;
+	view->GetFontHeight(&height);
+	BPoint loc(0, bounds.top + ceilf(height.ascent) + 2);
 
 	if (pressed) {
 		bounds.bottom--;

src/kits/tracker/TitleView.h

@@ -50,7 +50,6 @@ class BColumnTitle;
 class ColumnTrackState;
 class OffscreenBitmap;
 
-const int32 kTitleViewHeight = 16;
 const int32 kEdgeSize = 6;
 const int32 kTitleColumnLeftExtraMargin = 11;
 const int32 kTitleColumnRightExtraMargin = 5;
@@ -70,6 +69,9 @@ public:
 	virtual	void MouseUp(BPoint where);
 	virtual	void Draw(BRect updateRect);
 
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+
 	void Draw(BRect, bool useOffscreen = false,
 		bool updateOnly = true,
 		const BColumnTitle* pressedColumn = 0,
@@ -90,9 +92,11 @@ private:
 	BColumnTitle* InColumnResizeArea(BPoint) const;
 	BColumnTitle* FindColumnTitle(const BColumn*) const;
 
+private:
 	BPoseView* fPoseView;
 	BObjectList<BColumnTitle> fTitleList;
 	BCursor fHorizontalResizeCursor;
+			float				fPreferredHeight;
 
 	BColumnTitle* fPreviouslyClickedColumnTitle;
 	bigtime_t fPreviousLeftClickTime;