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Ensure that "Start new period decodes at top" still works after several hours. Patch from Mike W9MDB.

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This commit is contained in:
Uwe Risse 2022-12-06 14:54:24 +01:00
parent db936dffc1
commit ffe6ed7a1c
2 changed files with 20 additions and 3 deletions
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21
widgets/displaytext.cpp
View File

@ -19,6 +19,7 @@
#include "Network/LotWUsers.hpp"
#include "models/DecodeHighlightingModel.hpp"
#include "logbook/logbook.h"
#include "Logger.hpp"
#include "qt_helpers.hpp"
#include "moc_displaytext.cpp"
@ -212,9 +213,25 @@ void DisplayText::insertText(QString const& text, QColor bg, QColor fg
void DisplayText::extend_vertical_scrollbar (int min, int max)
{
if (high_volume_
&& m_config && m_config->decodes_from_top ())
static int mod_last;
static int height;
if (high_volume_ && m_config && m_config->decodes_from_top ())
{
auto m = modified_vertical_scrollbar_max_;
if (m != mod_last) { height = m - mod_last;mod_last = m; }
//auto vp_margins2 = viewportMargins ();
if (height == 0 && m > viewport()->height()) height = abs( - viewport()->height());
//LOG_INFO ("scrollbar min=" << min << " max=" << max << " mod=" << modified_vertical_scrollbar_max_ << " height=" << viewport()->height() << " top=" << vp_margins2.top() << " bottom=" << vp_margins2.bottom()) << " height=" << height << " mod_last=" << mod_last;
if (max > 60000)
{
QString tmp = toPlainText();
while (tmp != NULL && tmp.length() > 100 && max > 50000)
{
tmp.remove(0, tmp.indexOf("\n")+1);
max -= height;
}
setPlainText(tmp);
}
if (max && max != modified_vertical_scrollbar_max_)
{
auto vp_margins = viewportMargins ();

2
widgets/displaytext.h
View File

@ -66,7 +66,7 @@ private:
QHash<QString, QPair<QColor, QColor>> highlighted_calls_;
bool high_volume_;
QMetaObject::Connection vertical_scroll_connection_;
int modified_vertical_scrollbar_max_;
long long modified_vertical_scrollbar_max_;
};
#endif // DISPLAYTEXT_H