From: Soeren Apel Date: Thu, 4 Feb 2016 21:39:07 +0000 (+0100) Subject: DecodeTrace: Let annotation labels be pushed aside by the row title X-Git-Tag: pulseview-0.4.0~345 X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=aee9dcf34d3bb5bf53803d3e132ae69475e434b7;p=pulseview.git DecodeTrace: Let annotation labels be pushed aside by the row title --- diff --git a/pv/view/decodetrace.cpp b/pv/view/decodetrace.cpp index eb1f7f83..6f00a451 100644 --- a/pv/view/decodetrace.cpp +++ b/pv/view/decodetrace.cpp @@ -86,6 +86,7 @@ const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85); const int DecodeTrace::ArrowSize = 4; const double DecodeTrace::EndCapWidth = 5; +const int DecodeTrace::RowTitleMargin = 10; const int DecodeTrace::DrawPadding = 100; const QColor DecodeTrace::Colours[16] = { @@ -201,6 +202,18 @@ void DecodeTrace::paint_mid(QPainter &p, const ViewItemPaintParams &pp) for (size_t i = 0; i < rows.size(); i++) { const Row &row = rows[i]; + // Cache the row title widths + int row_title_width; + try { + row_title_width = row_title_widths_.at(row); + } catch (std::out_of_range) { + const int w = p.boundingRect(QRectF(), 0, row.title()).width() + + RowTitleMargin; + row_title_widths_[row] = w; + row_title_width = w; + } + + // Determine the row's color size_t base_colour = 0x13579BDF; boost::hash_combine(base_colour, this); boost::hash_combine(base_colour, row.decoder()); @@ -212,7 +225,7 @@ void DecodeTrace::paint_mid(QPainter &p, const ViewItemPaintParams &pp) sample_range.first, sample_range.second); if (!annotations.empty()) { draw_annotations(annotations, p, annotation_height, pp, y, - base_colour); + base_colour, row_title_width); y += row_height_; @@ -332,7 +345,7 @@ QMenu* DecodeTrace::create_context_menu(QWidget *parent) void DecodeTrace::draw_annotations(vector annotations, QPainter &p, int h, const ViewItemPaintParams &pp, int y, - size_t base_colour) + size_t base_colour, int row_title_width) { using namespace pv::data::decode; @@ -376,7 +389,8 @@ void DecodeTrace::draw_annotations(vector annotati if ((abs(delta) > 1) || a_is_separate) { // Block was broken, draw annotations that form the current block if (a_block.size() == 1) { - draw_annotation(a_block.front(), p, h, pp, y, base_colour); + draw_annotation(a_block.front(), p, h, pp, y, base_colour, + row_title_width); } else draw_annotation_block(a_block, p, h, y, base_colour); @@ -385,7 +399,7 @@ void DecodeTrace::draw_annotations(vector annotati } if (a_is_separate) { - draw_annotation(a, p, h, pp, y, base_colour); + draw_annotation(a, p, h, pp, y, base_colour, row_title_width); // Next annotation must start a new block. delta will be > 1 // because we set p_end to INT_MIN but that's okay since // a_block will be empty, so nothing will be drawn @@ -397,14 +411,15 @@ void DecodeTrace::draw_annotations(vector annotati } if (a_block.size() == 1) - draw_annotation(a_block.front(), p, h, pp, y, base_colour); + draw_annotation(a_block.front(), p, h, pp, y, base_colour, + row_title_width); else draw_annotation_block(a_block, p, h, y, base_colour); } void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p, int h, const ViewItemPaintParams &pp, int y, - size_t base_colour) const + size_t base_colour, int row_title_width) const { double samples_per_pixel, pixels_offset; tie(pixels_offset, samples_per_pixel) = @@ -425,7 +440,8 @@ void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, if (a.start_sample() == a.end_sample()) draw_instant(a, p, fill, outline, h, start, y); else - draw_range(a, p, fill, outline, h, start, end, y, pp); + draw_range(a, p, fill, outline, h, start, end, y, pp, + row_title_width); } void DecodeTrace::draw_annotation_block( @@ -485,7 +501,7 @@ void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter & void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, QColor fill, QColor outline, int h, double start, - double end, int y, const ViewItemPaintParams &pp) const + double end, int y, const ViewItemPaintParams &pp, int row_title_width) const { const double top = y + .5 - h / 2; const double bottom = y + .5 + h / 2; @@ -519,9 +535,8 @@ void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, const int ann_start = start + cap_width; const int ann_end = end - cap_width; - const int real_start = std::max(ann_start, pp.left()); + const int real_start = std::max(ann_start, pp.left() + row_title_width); const int real_end = std::min(ann_end, pp.right()); - const int real_width = real_end - real_start; QRectF rect(real_start, y - h / 2, real_width, h); diff --git a/pv/view/decodetrace.hpp b/pv/view/decodetrace.hpp index af915181..fb14ae0e 100644 --- a/pv/view/decodetrace.hpp +++ b/pv/view/decodetrace.hpp @@ -77,6 +77,7 @@ private: static const int ArrowSize; static const double EndCapWidth; + static const int RowTitleMargin; static const int DrawPadding; static const QColor Colours[16]; @@ -127,11 +128,11 @@ public: private: void draw_annotations(std::vector annotations, QPainter &p, int h, const ViewItemPaintParams &pp, int y, - size_t base_colour); + size_t base_colour, int row_title_width); void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p, int text_height, const ViewItemPaintParams &pp, int y, - size_t base_colour) const; + size_t base_colour, int row_title_width) const; void draw_annotation_block(std::vector a, QPainter &p, int h, int y, size_t base_colour) const; @@ -141,7 +142,8 @@ private: void draw_range(const pv::data::decode::Annotation &a, QPainter &p, QColor fill, QColor outline, int h, double start, - double end, int y, const ViewItemPaintParams &pp) const; + double end, int y, const ViewItemPaintParams &pp, + int row_title_width) const; void draw_error(QPainter &p, const QString &message, const ViewItemPaintParams &pp); @@ -206,6 +208,7 @@ private: std::vector decoder_forms_; std::vector visible_rows_; + std::map row_title_widths_; int row_height_, max_visible_rows_; QSignalMapper delete_mapper_, show_hide_mapper_;