From 4f9df95dc80fb15df74a124290d638053fc148bb Mon Sep 17 00:00:00 2001
From: PulkoMandy <pulkomandy@pulkomandy.tk>
Date: Thu, 23 Nov 2023 20:53:41 +0100
Subject: [PATCH] HaikuDepot TextView: add a way to relayout when document
 changed

When adding new paragraphs or otherwise editing a document from outside
the view, the layout needs to be recomputed and the view invalidated.
Otherwise, the changed text is not shown.

Change-Id: Id3c60d8b510443f71ebbc805b7b7ca5b35220fd5
Reviewed-on: https://review.haiku-os.org/c/haiku/+/7131
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
---
 src/apps/haikudepot/textview/TextDocumentView.cpp | 8 ++++++++
 src/apps/haikudepot/textview/TextDocumentView.h   | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/src/apps/haikudepot/textview/TextDocumentView.cpp b/src/apps/haikudepot/textview/TextDocumentView.cpp
index 379d0b872f..56c9139ce1 100644
--- a/src/apps/haikudepot/textview/TextDocumentView.cpp
+++ b/src/apps/haikudepot/textview/TextDocumentView.cpp
@@ -447,6 +447,14 @@ TextDocumentView::Copy(BClipboard* clipboard)
 }
 
 
+void
+TextDocumentView::Relayout()
+{
+	fTextDocumentLayout.Invalidate();
+	_UpdateScrollBars();
+}
+
+
 // #pragma mark - private
 
 
diff --git a/src/apps/haikudepot/textview/TextDocumentView.h b/src/apps/haikudepot/textview/TextDocumentView.h
index ffd33e340a..c681852153 100644
--- a/src/apps/haikudepot/textview/TextDocumentView.h
+++ b/src/apps/haikudepot/textview/TextDocumentView.h
@@ -49,6 +49,8 @@ public:
 	virtual	void				GetHeightForWidth(float width, float* min,
 									float* max, float* preferred);
 
+	virtual void				Relayout();
+
 	// TextDocumentView interface
 			void				SetTextDocument(
 									const TextDocumentRef& document);