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Option to always start new decode periods at the top of the Band Activity window

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This commit is contained in:
Bill Somerville
2019-01-08 18:03:43 +00:00
parent c4d078f55f
commit e871860642
6 changed files with 171 additions and 95 deletions
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widgets/displaytext.cpp
+44 -4
View File
@@ -12,6 +12,8 @@
#include <QAction>
#include <QListIterator>
#include <QRegularExpression>
#include <QScrollBar>
#include <QDebug>
#include "Configuration.hpp"
#include "LotWUsers.hpp"
@@ -25,6 +27,8 @@ DisplayText::DisplayText(QWidget *parent)
: QTextEdit(parent)
, m_config {nullptr}
, erase_action_ {new QAction {tr ("&Erase"), this}}
, high_volume_ {false}
, modified_vertical_scrollbar_max_ {-1}
{
setReadOnly (true);
setUndoRedoEnabled (false);
@@ -68,8 +72,11 @@ void DisplayText::setContentFont(QFont const& font)
cursor.movePosition (QTextCursor::StartOfLine);
cursor.endEditBlock ();
setTextCursor (cursor);
ensureCursorVisible ();
if (!high_volume_ || !m_config || !m_config->decodes_from_top ())
{
setTextCursor (cursor);
ensureCursorVisible ();
}
}
void DisplayText::mouseDoubleClickEvent(QMouseEvent *e)
@@ -198,11 +205,44 @@ void DisplayText::appendText(QString const& text, QColor bg, QColor fg
// position so viewport scrolled to left
cursor.movePosition (QTextCursor::StartOfLine);
setTextCursor (cursor);
ensureCursorVisible ();
if (!high_volume_ || !m_config || !m_config->decodes_from_top ())
{
setTextCursor (cursor);
ensureCursorVisible ();
}
document ()->setMaximumBlockCount (document ()->maximumBlockCount ());
}
void DisplayText::extend_vertical_scrollbar (int min, int max)
{
if (high_volume_
&& m_config && m_config->decodes_from_top ())
{
if (max && max != modified_vertical_scrollbar_max_)
{
auto vp_margins = viewportMargins ();
// add enough to vertical scroll bar range to allow last
// decode to just scroll of the top of the view port
max += viewport ()->height () - vp_margins.top () - vp_margins.bottom ();
modified_vertical_scrollbar_max_ = max;
}
verticalScrollBar ()->setRange (min, max);
}
}
void DisplayText::new_period ()
{
extend_vertical_scrollbar (verticalScrollBar ()->minimum (), verticalScrollBar ()->maximum ());
if (high_volume_ && m_config && m_config->decodes_from_top () && !vertical_scroll_connection_)
{
vertical_scroll_connection_ = connect (verticalScrollBar (), &QScrollBar::rangeChanged
, [this] (int min, int max) {
extend_vertical_scrollbar (min, max );
});
}
verticalScrollBar ()->setSliderPosition (verticalScrollBar ()->maximum ());
}
QString DisplayText::appendWorkedB4 (QString message, QString call, QString const& grid,
QColor * bg, QColor * fg, LogBook const& logBook,
QString const& currentBand, QString const& currentMode)