From: Soeren Apel <redacted>
Date: Tue, 6 Jun 2017 10:07:25 +0000 (+0200)
Subject: Fix #969 by scheduling another call after a small delay
X-Git-Tag: pulseview-0.4.0~29
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=2a9fcd6212fd54d9589717670824d6bd020c694a

Fix #969 by scheduling another call after a small delay
---

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index 61b03b2e..1cb03afc 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -889,6 +889,13 @@ void View::expand_header_to_fit()
 	for (int w : splitter_->sizes())
 		splitter_area_width += w;
 
+	// Workaround for when the header needs resizing but the view
+	// isn't visible yet and thus splitter_->sizes() returns (0, 0)
+	if (splitter_area_width == 0) {
+		QTimer::singleShot(50, this, SLOT(on_repeat_splitter_expansion()));
+		return;
+	}
+
 	// Make sure the header has enough horizontal space to show all labels fully
 	QList<int> pane_sizes;
 	pane_sizes.push_back(header_->extended_size_hint().width());
@@ -1079,6 +1086,11 @@ void View::on_splitter_moved()
 		expand_header_to_fit();
 }
 
+void View::on_repeat_splitter_expansion()
+{
+	expand_header_to_fit();
+}
+
 void View::h_scroll_value_changed(int value)
 {
 	if (updating_scroll_)
diff --git a/pv/view/view.hpp b/pv/view/view.hpp
index 76a38f16..9b6ce3ff 100644
--- a/pv/view/view.hpp
+++ b/pv/view/view.hpp
@@ -356,6 +356,8 @@ public:
 private Q_SLOTS:
 
 	void on_splitter_moved();
+	void on_repeat_splitter_expansion();
+
 	void h_scroll_value_changed(int value);
 	void v_scroll_value_changed();