X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fdecodetrace.cpp;h=b4857336f9e6e1e350bc73e91ef6409bcc3f7e2e;hb=a3d5a7c7682ebb991718b49ae916c5840b3b6b51;hp=f4ab55ffa3ee1cbca8246873057ce67b4b8e264b;hpb=5b6ae10391736ab2f81de851686dee15bbcbf9f9;p=pulseview.git

diff --git a/pv/views/trace/decodetrace.cpp b/pv/views/trace/decodetrace.cpp
index f4ab55f..b485733 100644
--- a/pv/views/trace/decodetrace.cpp
+++ b/pv/views/trace/decodetrace.cpp
@@ -56,14 +56,11 @@ extern "C" {
 using std::all_of;
 using std::make_pair;
 using std::max;
-using std::map;
 using std::min;
 using std::out_of_range;
 using std::pair;
 using std::shared_ptr;
-using std::make_shared;
 using std::tie;
-using std::unordered_set;
 using std::vector;
 
 using pv::data::decode::Annotation;
@@ -149,6 +146,8 @@ DecodeTrace::DecodeTrace(pv::Session &session,
 
 	connect(decode_signal_.get(), SIGNAL(new_annotations()),
 		this, SLOT(on_new_annotations()));
+	connect(decode_signal_.get(), SIGNAL(decode_finished()),
+		this, SLOT(on_decode_finished()));
 	connect(decode_signal_.get(), SIGNAL(channels_updated()),
 		this, SLOT(on_channels_updated()));
 
@@ -249,11 +248,13 @@ void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
 	// Draw the hatching
 	draw_unresolved_period(p, annotation_height, pp.left(), pp.right());
 
-	if ((int)visible_rows_.size() > max_visible_rows_)
-		owner_->extents_changed(false, true);
+	if ((int)visible_rows_.size() > max_visible_rows_) {
+		max_visible_rows_ = (int)visible_rows_.size();
 
-	// Update the maximum row count if needed
-	max_visible_rows_ = max(max_visible_rows_, (int)visible_rows_.size());
+		// Call order is important, otherwise the lazy event handler won't work
+		owner_->extents_changed(false, true);
+		owner_->row_item_appearance_changed(false, true);
+	}
 }
 
 void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp)
@@ -717,6 +718,12 @@ void DecodeTrace::hover_point_changed()
 	assert(view);
 
 	QPoint hp = view->hover_point();
+
+	if (hp.x() == 0) {
+		QToolTip::hideText();
+		return;
+	}
+
 	QString ann = get_annotation_at_point(hp);
 
 	assert(view);
@@ -883,6 +890,12 @@ void DecodeTrace::on_delayed_trace_update()
 		owner_->row_item_appearance_changed(false, true);
 }
 
+void DecodeTrace::on_decode_finished()
+{
+	if (owner_)
+		owner_->row_item_appearance_changed(false, true);
+}
+
 void DecodeTrace::delete_pressed()
 {
 	on_delete();
@@ -937,6 +950,10 @@ void DecodeTrace::on_delete_decoder(int index)
 {
 	decode_signal_->remove_decoder(index);
 
+	// Force re-calculation of the trace height, see paint_mid()
+	max_visible_rows_ = 0;
+	owner_->extents_changed(false, true);
+
 	// Update the popup
 	create_popup_form();
 }
@@ -948,6 +965,12 @@ void DecodeTrace::on_show_hide_decoder(int index)
 	assert(index < (int)decoder_forms_.size());
 	decoder_forms_[index]->set_decoder_visible(state);
 
+	if (!state) {
+		// Force re-calculation of the trace height, see paint_mid()
+		max_visible_rows_ = 0;
+		owner_->extents_changed(false, true);
+	}
+
 	if (owner_)
 		owner_->row_item_appearance_changed(false, true);
 }