X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fview%2Fview.cpp;h=2fc14d2b64c9e777827650f7565125d1fe351aae;hb=98fb7f3de7a1bfb76b3ca9b4ca5f198ecbc14fcd;hp=a086d23de523f07e2be1192cbfc3b4bd2a028b09;hpb=f4e57597347e47a4ea58fbdc7b0a22e07f1c0ede;p=pulseview.git
diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index a086d23..2fc14d2 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -14,8 +14,7 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see .
*/
#ifdef ENABLE_DECODE
@@ -30,18 +29,16 @@
#include
#include
#include
-#include
#include
#include
#include
#include
-#include
#include
-#include
#include
#include
+#include
#include
#include
@@ -57,19 +54,17 @@
#include "view.hpp"
#include "viewport.hpp"
-#include "pv/session.hpp"
-#include "pv/devices/device.hpp"
#include "pv/data/logic.hpp"
#include "pv/data/logicsegment.hpp"
+#include "pv/devices/device.hpp"
+#include "pv/globalsettings.hpp"
+#include "pv/session.hpp"
#include "pv/util.hpp"
#ifdef ENABLE_DECODE
#include "decodetrace.hpp"
#endif
-using boost::shared_lock;
-using boost::shared_mutex;
-
using pv::data::SignalData;
using pv::data::Segment;
using pv::util::TimeUnit;
@@ -77,11 +72,9 @@ using pv::util::Timestamp;
using std::back_inserter;
using std::copy_if;
-using std::deque;
+using std::count_if;
using std::dynamic_pointer_cast;
using std::inserter;
-using std::list;
-using std::lock_guard;
using std::max;
using std::make_pair;
using std::make_shared;
@@ -90,10 +83,10 @@ using std::pair;
using std::set;
using std::set_difference;
using std::shared_ptr;
+using std::stringstream;
using std::unordered_map;
using std::unordered_set;
using std::vector;
-using std::weak_ptr;
namespace pv {
namespace views {
@@ -103,7 +96,6 @@ const Timestamp View::MaxScale("1e9");
const Timestamp View::MinScale("1e-12");
const int View::MaxScrollValue = INT_MAX / 2;
-const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling
const int View::ScaleUnits[3] = {1, 2, 5};
@@ -136,8 +128,8 @@ bool CustomAbstractScrollArea::viewportEvent(QEvent *event)
}
}
-View::View(Session &session, QWidget *parent) :
- ViewBase(session, parent),
+View::View(Session &session, bool is_main_view, QWidget *parent) :
+ ViewBase(session, is_main_view, parent),
viewport_(new Viewport(*this)),
ruler_(new Ruler(*this)),
header_(new Header(*this)),
@@ -155,8 +147,13 @@ View::View(Session &session, QWidget *parent) :
cursors_(new CursorPair(*this)),
next_flag_text_('A'),
trigger_markers_(),
- hover_point_(-1, -1)
+ hover_point_(-1, -1),
+ scroll_needs_defaults_(false),
+ saved_v_offset_(0)
{
+ GlobalSettings settings;
+ coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
+
connect(scrollarea_.horizontalScrollBar(), SIGNAL(valueChanged(int)),
this, SLOT(h_scroll_value_changed(int)));
connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)),
@@ -179,11 +176,6 @@ View::View(Session &session, QWidget *parent) :
this, SLOT(process_sticky_events()));
lazy_event_handler_.setSingleShot(true);
- connect(&delayed_view_updater_, SIGNAL(timeout()),
- this, SLOT(perform_delayed_view_update()));
- delayed_view_updater_.setSingleShot(true);
- delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
-
/* To let the scroll area fill up the parent QWidget (this), we need a layout */
QHBoxLayout *layout = new QHBoxLayout(this);
setLayout(layout);
@@ -218,18 +210,20 @@ const Session& View::session() const
return session_;
}
-std::unordered_set< std::shared_ptr > View::signals() const
+unordered_set< shared_ptr > View::signals() const
{
return signals_;
}
void View::clear_signals()
{
+ ViewBase::clear_signalbases();
signals_.clear();
}
void View::add_signal(const shared_ptr signal)
{
+ ViewBase::add_signalbase(signal->base());
signals_.insert(signal);
}
@@ -280,8 +274,10 @@ const Viewport* View::viewport() const
void View::save_settings(QSettings &settings) const
{
settings.setValue("scale", scale_);
+ settings.setValue("v_offset",
+ scrollarea_.verticalScrollBar()->sliderPosition());
- std::stringstream ss;
+ stringstream ss;
boost::archive::text_oarchive oa(ss);
oa << boost::serialization::make_nvp("offset", offset_);
settings.setValue("offset", QString::fromStdString(ss.str()));
@@ -295,12 +291,15 @@ void View::save_settings(QSettings &settings) const
void View::restore_settings(QSettings &settings)
{
+ // Note: It is assumed that this function is only called once,
+ // immediately after restoring a previous session.
+
if (settings.contains("scale"))
set_scale(settings.value("scale").toDouble());
if (settings.contains("offset")) {
util::Timestamp offset;
- std::stringstream ss;
+ stringstream ss;
ss << settings.value("offset").toString().toStdString();
boost::archive::text_iarchive ia(ss);
@@ -314,6 +313,13 @@ void View::restore_settings(QSettings &settings)
signal->restore_settings(settings);
settings.endGroup();
}
+
+ if (settings.contains("v_offset")) {
+ saved_v_offset_ = settings.value("v_offset").toInt();
+ set_v_offset(saved_v_offset_);
+ scroll_needs_defaults_ = false;
+ // Note: see eventFilter() for additional information
+ }
}
vector< shared_ptr > View::time_items() const
@@ -432,7 +438,7 @@ void View::zoom(double steps)
void View::zoom(double steps, int offset)
{
- set_zoom(scale_ * pow(3.0/2.0, -steps), offset);
+ set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset);
}
void View::zoom_fit(bool gui_state)
@@ -521,8 +527,7 @@ pair View::get_time_extents() const
boost::optional left_time, right_time;
const set< shared_ptr > visible_data = get_visible_data();
for (const shared_ptr d : visible_data) {
- const vector< shared_ptr > segments =
- d->segments();
+ const vector< shared_ptr > segments = d->segments();
for (const shared_ptr &s : segments) {
double samplerate = s->samplerate();
samplerate = (samplerate <= 0.0) ? 1.0 : samplerate;
@@ -544,38 +549,31 @@ pair View::get_time_extents() const
return make_pair(*left_time, *right_time);
}
-void View::enable_sticky_scrolling(bool state)
+void View::enable_show_sampling_points(bool state)
{
- sticky_scrolling_ = state;
+ (void)state;
+
+ viewport_->update();
}
-void View::enable_coloured_bg(bool state)
+void View::enable_show_analog_minor_grid(bool state)
{
- const vector> items(
- list_by_type());
-
- for (shared_ptr i : items) {
- // Can't cast to Trace because it's abstract, so we need to
- // check for any derived classes individually
+ (void)state;
- shared_ptr a = dynamic_pointer_cast(i);
- if (a)
- a->set_coloured_bg(state);
-
- shared_ptr l = dynamic_pointer_cast(i);
- if (l)
- l->set_coloured_bg(state);
-
-#ifdef ENABLE_DECODE
- shared_ptr d = dynamic_pointer_cast(i);
- if (d)
- d->set_coloured_bg(state);
-#endif
- }
+ viewport_->update();
+}
+void View::enable_coloured_bg(bool state)
+{
+ coloured_bg_ = state;
viewport_->update();
}
+bool View::coloured_bg() const
+{
+ return coloured_bg_;
+}
+
bool View::cursors_shown() const
{
return show_cursors_;
@@ -597,15 +595,15 @@ void View::centre_cursors()
viewport_->update();
}
-std::shared_ptr View::cursors() const
+shared_ptr View::cursors() const
{
return cursors_;
}
void View::add_flag(const Timestamp& time)
{
- flags_.push_back(shared_ptr(new Flag(*this, time,
- QString("%1").arg(next_flag_text_))));
+ flags_.push_back(make_shared(*this, time,
+ QString("%1").arg(next_flag_text_)));
next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' :
(next_flag_text_ + 1);
@@ -613,15 +611,15 @@ void View::add_flag(const Timestamp& time)
time_item_appearance_changed(true, true);
}
-void View::remove_flag(std::shared_ptr flag)
+void View::remove_flag(shared_ptr flag)
{
flags_.remove(flag);
time_item_appearance_changed(true, true);
}
-vector< std::shared_ptr > View::flags() const
+vector< shared_ptr > View::flags() const
{
- vector< std::shared_ptr > flags(flags_.begin(), flags_.end());
+ vector< shared_ptr > flags(flags_.begin(), flags_.end());
stable_sort(flags.begin(), flags.end(),
[](const shared_ptr &a, const shared_ptr &b) {
return a->time() < b->time();
@@ -652,12 +650,6 @@ void View::restack_all_trace_tree_items()
for (auto &o : sorted_owners)
o->restack_items();
- // Re-assign background colors
- bool next_bgcolour_state = 0;
-
- for (auto &o : sorted_owners)
- next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state);
-
// Animate the items to their destination
for (const auto &i : items)
i->animate_to_layout_v_offset();
@@ -665,8 +657,7 @@ void View::restack_all_trace_tree_items()
void View::trigger_event(util::Timestamp location)
{
- trigger_markers_.push_back(shared_ptr(
- new TriggerMarker(*this, location)));
+ trigger_markers_.push_back(make_shared(*this, location));
}
void View::get_scroll_layout(double &length, Timestamp &offset) const
@@ -736,7 +727,7 @@ void View::calculate_tick_spacing()
// Precision is the number of fractional digits required, not
// taking the prefix into account (and it must never be negative)
- tick_precision = std::max(ceil(log10(1 / tick_period)).convert_to(), 0);
+ tick_precision = max(ceil(log10(1 / tick_period)).convert_to(), 0);
tick_period_width = (tick_period / scale_).convert_to();
@@ -755,6 +746,30 @@ void View::calculate_tick_spacing()
set_tick_precision(tick_precision);
}
+void View::adjust_top_margin()
+{
+ assert(viewport_);
+
+ const QSize areaSize = viewport_->size();
+
+ const pair extents = v_extents();
+ const int top_margin = owner_visual_v_offset() + extents.first;
+ const int trace_bottom = owner_visual_v_offset() + extents.first + extents.second;
+
+ // Do we have empty space at the top while the last trace goes out of screen?
+ if ((top_margin > 0) && (trace_bottom > areaSize.height())) {
+ const int trace_height = extents.second - extents.first;
+
+ // Center everything vertically if there is enough space
+ if (areaSize.height() >= trace_height)
+ set_v_offset(extents.first -
+ ((areaSize.height() - trace_height) / 2));
+ else
+ // Remove the top margin to make as many traces fit on screen as possible
+ set_v_offset(extents.first);
+ }
+}
+
void View::update_scroll()
{
assert(viewport_);
@@ -798,7 +813,7 @@ void View::update_scroll()
vscrollbar->setRange(extents.first - areaSize.height(),
extents.second);
- if (scroll_needs_defaults)
+ if (scroll_needs_defaults_)
set_scroll_default();
}
@@ -813,15 +828,6 @@ void View::set_scroll_default()
const QSize areaSize = viewport_->size();
- // Special case: when starting up and the window isn't visible yet,
- // areaSize is [0, 0]. In this case we want to be called again later
- if (areaSize.height() == 0) {
- scroll_needs_defaults = true;
- return;
- } else {
- scroll_needs_defaults = false;
- }
-
const pair extents = v_extents();
const int trace_height = extents.second - extents.first;
@@ -872,7 +878,7 @@ TraceTreeItemOwner* View::find_prevalent_trace_group(
size_t max_prevalence = 0;
TraceTreeItemOwner *prevalent_owner = nullptr;
for (TraceTreeItemOwner *owner : owners) {
- const size_t prevalence = std::count_if(
+ const size_t prevalence = count_if(
owner_list.begin(), owner_list.end(),
[&](TraceTreeItemOwner *o) { return o == owner; });
if (prevalence > max_prevalence) {
@@ -948,13 +954,37 @@ bool View::eventFilter(QObject *object, QEvent *event)
} else if (type == QEvent::Leave) {
hover_point_ = QPoint(-1, -1);
hover_point_changed();
+ } else if (type == QEvent::Show) {
+
+ // This is somewhat of a hack, unfortunately. We cannot use
+ // set_v_offset() from within restore_settings() as the view
+ // at that point is neither visible nor properly sized.
+ // This is the least intrusive workaround I could come up
+ // with: set the vertical offset (or scroll defaults) when
+ // the view is shown, which happens after all widgets were
+ // resized to their final sizes.
+ update_layout();
+
+ if (scroll_needs_defaults_) {
+ set_scroll_default();
+ scroll_needs_defaults_ = false;
+ }
+
+ if (saved_v_offset_) {
+ set_v_offset(saved_v_offset_);
+ saved_v_offset_ = 0;
+ }
}
return QObject::eventFilter(object, event);
}
-void View::resizeEvent(QResizeEvent*)
+void View::resizeEvent(QResizeEvent* event)
{
+ // Only adjust the top margin if we shrunk vertically
+ if (event->size().height() < event->oldSize().height())
+ adjust_top_margin();
+
update_layout();
}
@@ -979,6 +1009,7 @@ void View::extents_changed(bool horz, bool vert)
sticky_events_ |=
(horz ? TraceTreeItemHExtentsChanged : 0) |
(vert ? TraceTreeItemVExtentsChanged : 0);
+
lazy_event_handler_.start();
}
@@ -1161,11 +1192,11 @@ void View::signals_changed()
}
// Add and position the pending top levels items
+ int offset = v_extents().second;
for (auto item : new_top_level_items) {
add_child_item(item);
// Position the item after the last item or at the top if there is none
- int offset = v_extents().second;
const pair extents = item->v_extents();
if (item->enabled())
@@ -1192,6 +1223,19 @@ void View::capture_state_updated(int state)
set_time_unit(util::TimeUnit::Samples);
trigger_markers_.clear();
+
+ // Activate "always zoom to fit" if the setting is enabled and we're
+ // the main view of this session (other trace views may be used for
+ // zooming and we don't want to mess them up)
+ GlobalSettings settings;
+ bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool();
+ if (is_main_view_ && state) {
+ always_zoom_to_fit_ = true;
+ always_zoom_to_fit_changed(always_zoom_to_fit_);
+ }
+
+ // Enable sticky scrolling if the setting is enabled
+ sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
}
if (state == Session::Stopped) {
@@ -1201,31 +1245,19 @@ void View::capture_state_updated(int state)
// Reset "always zoom to fit", the acquisition has stopped
if (always_zoom_to_fit_) {
+ // Perform a final zoom-to-fit before disabling
+ zoom_fit(always_zoom_to_fit_);
always_zoom_to_fit_ = false;
- always_zoom_to_fit_changed(false);
+ always_zoom_to_fit_changed(always_zoom_to_fit_);
}
}
}
-void View::data_updated()
-{
- if (always_zoom_to_fit_ || sticky_scrolling_) {
- if (!delayed_view_updater_.isActive())
- delayed_view_updater_.start();
- } else {
- determine_time_unit();
- update_scroll();
- ruler_->update();
- viewport_->update();
- }
-}
-
void View::perform_delayed_view_update()
{
- if (always_zoom_to_fit_)
+ if (always_zoom_to_fit_) {
zoom_fit(true);
-
- if (sticky_scrolling_) {
+ } else if (sticky_scrolling_) {
// Make right side of the view sticky
double length = 0;
Timestamp offset;