HaikuDepot: A round of bug fixes gets the TextView working

src/apps/haiku-depot/textview/TextLayout.cpp

@@ -217,7 +217,7 @@ TextLayout::SetText(const BString& text)
 void
 TextLayout::SetFont(const BFont& font)
 {
-	if (fDefaultFont != font) {
+	if (fDefaultFont != font || fAscent == 0.0f) {
 		fDefaultFont = font;
 
 		font_height fontHeight;
@@ -261,6 +261,16 @@ TextLayout::SetLineInset(float inset)
 }
 
 
+void
+TextLayout::SetLineSpacing(float spacing)
+{
+	if (fLineSpacing != spacing) {
+		fLineSpacing = spacing;
+		fLayoutValid = false;
+	}
+}
+
+
 void
 TextLayout::SetWidth(float width)
 {
@@ -313,7 +323,9 @@ TextLayout::Draw(BView* view, const BPoint& offset)
 		fText.CopyCharsInto(string, startOffset, endOffset - startOffset);
 		
 		float x = fGlyphInfoBuffer[startOffset].x;
-		float y = fGlyphInfoBuffer[startOffset].y + line.maxAscent;
+		float y = fGlyphInfoBuffer[startOffset].y;
+
+//printf("%p->%.1f,%.1f: '%s'\n", this, x, y, string.String());
 		view->DrawString(string, BPoint(x, y));
 	}
 }
@@ -510,8 +522,6 @@ void
 TextLayout::_FinalizeLine(int lineStart, int lineEnd, int lineIndex, float y,
 	float& lineHeight)
 {
-printf("_FinalizeLine(%d, %d, %d, %.1f)\n", lineStart, lineEnd, lineIndex,
-y);
 	lineHeight = 0.0f;
 	float maxAscent = 0.0f;
 	float maxDescent = 0.0f;

src/apps/haiku-depot/textview/TextLayout.h

@@ -42,6 +42,10 @@ public:
 			float				LineInset() const
 									{ return fLineInset; }
 
+			void				SetLineSpacing(float spacing);
+			float				LineSpacing() const
+									{ return fLineSpacing; }
+
 			void				SetWidth(float width);
 			float				Width() const
 									{ return fWidth; }

src/apps/haiku-depot/textview/TextView.cpp

@@ -8,8 +8,13 @@
 
 TextView::TextView(const char* name)
 	:
-	BView(name, B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE)
+	BView(name, B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE | B_FRAME_EVENTS)
 {
+	fTextLayout.SetWidth(Bounds().Width());
+	fTextLayout.SetLineSpacing(ceilf(fTextLayout.Font().Size() * 0.2));
+
+	SetViewColor(B_TRANSPARENT_COLOR);
+	SetLowColor(ui_color(B_PANEL_BACKGROUND_COLOR));
 }
 
 
@@ -22,10 +27,21 @@ void
 TextView::Draw(BRect updateRect)
 {
 	FillRect(updateRect, B_SOLID_LOW);
+
+	fTextLayout.SetWidth(Bounds().Width());
 	fTextLayout.Draw(this, B_ORIGIN);
 }
 
 
+void
+TextView::AttachedToWindow()
+{
+	BView* parent = Parent();
+	if (parent != NULL)
+		SetLowColor(parent->ViewColor());
+}
+
+
 void
 TextView::FrameResized(float width, float height)
 {
@@ -36,7 +52,7 @@ TextView::FrameResized(float width, float height)
 BSize
 TextView::MinSize()
 {
-	return BSize(0.0f, 0.0f);
+	return BSize(50.0f, 0.0f);
 }
 
 
@@ -68,7 +84,7 @@ TextView::GetHeightForWidth(float width, float* min, float* max,
 	TextLayout layout(fTextLayout);
 	layout.SetWidth(width);
 
-	float height = layout.Height();
+	float height = layout.Height() + 1;
 
 	if (min != NULL)
 		*min = height;

src/apps/haiku-depot/textview/TextView.h

@@ -18,6 +18,7 @@ public:
 
 	virtual void				Draw(BRect updateRect);
 
+	virtual void				AttachedToWindow();
 	virtual void				FrameResized(float width, float height);
 
 	virtual	BSize				MinSize();