* 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 <http://www.gnu.org/licenses/>.
*/
#ifdef ENABLE_DECODE
#include "viewport.hpp"
#include "pv/session.hpp"
+#include "pv/globalsettings.hpp"
#include "pv/devices/device.hpp"
#include "pv/data/logic.hpp"
#include "pv/data/logicsegment.hpp"
}
}
-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)),
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),
+ size_finalized_(false)
{
+ 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)),
void View::save_settings(QSettings &settings) const
{
settings.setValue("scale", scale_);
+ settings.setValue("v_offset",
+ scrollarea_.verticalScrollBar()->sliderPosition());
std::stringstream ss;
boost::archive::text_oarchive oa(ss);
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());
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 resizeEvent() for additional information
+ }
}
vector< shared_ptr<TimeItem> > View::time_items() const
sticky_scrolling_ = state;
}
+void View::toggle_sticky_scrolling(void)
+{
+ sticky_scrolling_ = !sticky_scrolling_;
+}
+
void View::enable_coloured_bg(bool state)
{
const vector<shared_ptr<TraceTreeItem>> items(
vscrollbar->setRange(extents.first - areaSize.height(),
extents.second);
- if (scroll_needs_defaults)
+ if (scroll_needs_defaults_)
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<int, int> extents = v_extents();
const int trace_height = extents.second - extents.first;
else
// Put the first trace at the top, letting the bottom ones overflow
set_v_offset(extents.first);
+
+ // If we're not sure whether setting the defaults worked as
+ // the window wasn't set up entirely yet, we want to be called
+ // again later to make sure
+ scroll_needs_defaults_ = !size_finalized_;
}
void View::update_layout()
void View::resizeEvent(QResizeEvent*)
{
update_layout();
+
+ // 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 visible and resized to its final size.
+ // Resize events that are sent when the view is not visible
+ // must be ignored as they have wrong sizes, potentially
+ // preventing the v offset from being set successfully.
+
+ if (isVisible())
+ size_finalized_ = true;
+
+ if (size_finalized_ && saved_v_offset_) {
+ set_v_offset(saved_v_offset_);
+ saved_v_offset_ = 0;
+ }
+
+ if (size_finalized_ && scroll_needs_defaults_)
+ set_scroll_default();
}
void View::row_item_appearance_changed(bool label, bool content)
}
// 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<int, int> extents = item->v_extents();
if (item->enabled())
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_);
+ }
}
if (state == Session::Stopped) {
// Reset "always zoom to fit", the acquisition has stopped
if (always_zoom_to_fit_) {
always_zoom_to_fit_ = false;
- always_zoom_to_fit_changed(false);
+ always_zoom_to_fit_changed(always_zoom_to_fit_);
}
}
}
projects / pulseview.git / blobdiff