Introduce pv::data::SignalBase

[pulseview.git] / pv / view / decodetrace.cpp

diff --git a/pv/view/decodetrace.cpp b/pv/view/decodetrace.cpp
index 6bafa11e8c3a8d3ad2075fa0e7107fe51e073fdb..3ece1303ca513e5d40b6bc0d49848aa66dbea56c 100644 (file)
--- a/pv/view/decodetrace.cpp
+++ b/pv/view/decodetrace.cpp
@@ -44,6 +44,7 @@ extern "C" {
 #include "decodetrace.hpp"
 
 #include <pv/session.hpp>
+#include <pv/strnatcmp.hpp>
 #include <pv/data/decoderstack.hpp>
 #include <pv/data/decode/decoder.hpp>
 #include <pv/data/logic.hpp>
@@ -128,10 +129,11 @@ const QColor DecodeTrace::OutlineColours[16] = {
 };
 
 DecodeTrace::DecodeTrace(pv::Session &session,
+       shared_ptr<data::SignalBase> signalbase,
        std::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
-       Trace(QString::fromUtf8(
-               decoder_stack->stack().front()->decoder()->name)),
+       Trace(signalbase),
        session_(session),
+       signalbase_(signalbase),
        decoder_stack_(decoder_stack),
        row_height_(0),
        max_visible_rows_(0),
@@ -140,7 +142,12 @@ DecodeTrace::DecodeTrace(pv::Session &session,
 {
        assert(decoder_stack_);
 
-       set_colour(DecodeColours[index % countof(DecodeColours)]);
+       // Determine shortest string we want to see displayed in full
+       QFontMetrics m(QApplication::font());
+       min_useful_label_width_ = m.width("XX"); // e.g. two hex characters
+
+       signalbase_->set_name(QString::fromUtf8(decoder_stack->stack().front()->decoder()->name));
+       signalbase_->set_colour(DecodeColours[index % countof(DecodeColours)]);
 
        connect(decoder_stack_.get(), SIGNAL(new_decode_data()),
                this, SLOT(on_new_decode_data()));
@@ -164,7 +171,10 @@ pair<int, int> DecodeTrace::v_extents() const
 {
        const int row_height = (ViewItemPaintParams::text_height() * 6) / 4;
 
-       return make_pair(-row_height, row_height * max_visible_rows_);
+       // Make an empty decode trace appear symmetrical
+       const int row_count = max(1, max_visible_rows_);
+
+       return make_pair(-row_height, row_height * row_count);
 }
 
 void DecodeTrace::paint_back(QPainter &p, const ViewItemPaintParams &pp)
@@ -190,6 +200,9 @@ void DecodeTrace::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
                return;
        }
 
+       // Set default pen to allow for text width calculation
+       p.setPen(Qt::black);
+
        // Iterate through the rows
        int y = get_visual_y();
        pair<uint64_t, uint64_t> sample_range = get_sample_range(
@@ -234,6 +247,9 @@ void DecodeTrace::paint_mid(QPainter &p, const 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);
+
        // Update the maximum row count if needed
        max_visible_rows_ = std::max(max_visible_rows_, (int)visible_rows_.size());
 }
@@ -372,7 +388,7 @@ void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotati
                bool a_is_separate = false;
 
                // Annotation wider than the threshold for a useful label width?
-               if (a_width > 20) {
+               if (a_width >= min_useful_label_width_) {
                        for (const QString &ann_text : a.annotations()) {
                                const int w = p.boundingRect(QRectF(), 0, ann_text).width();
                                // Annotation wide enough to fit a label? Don't put it in a block then
@@ -835,7 +851,8 @@ QComboBox* DecodeTrace::create_channel_selector(
        vector< shared_ptr<Signal> > sig_list(sigs.begin(), sigs.end());
        std::sort(sig_list.begin(), sig_list.end(),
                [](const shared_ptr<Signal> &a, const shared_ptr<Signal> b) {
-                       return a->name().compare(b->name()) < 0; });
+                       return strnatcasecmp(a->channel()->name().toStdString(),
+                               b->channel()->name().toStdString()) < 0; });
 
        assert(decoder_stack_);
        const auto channel_iter = dec->channels().find(pdch);
@@ -850,7 +867,7 @@ QComboBox* DecodeTrace::create_channel_selector(
        for (const shared_ptr<view::Signal> &s : sig_list) {
                assert(s);
                if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled()) {
-                       selector->addItem(s->name(),
+                       selector->addItem(s->channel()->name(),
                                qVariantFromValue((void*)s.get()));
 
                        if (channel_iter != dec->channels().end() &&