Merge pull request #1169 from vladisslav2011/iq_tool_list_scrollbar_fix

IQ Tool: Fix jumpy scrollbar of IQ player
gqrx-sdr · Nov 10, 2022 · 3e3b22f · 3e3b22f
2 parents 23c6ad1 + 4d0bdb2
commit 3e3b22f
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diff --git a/resources/news.txt b/resources/news.txt
@@ -4,6 +4,7 @@
        NEW: Restore FFT zoom level between sessions.
        NEW: Restore peak detect & peak hold between sessions.
      FIXED: Remove empty frame from bottom of I/Q tool window.
+     FIXED: Sudden scrolling of file list in I/Q tool window.
   IMPROVED: AGC performance.
 
 

diff --git a/src/qtgui/iq_tool.cpp b/src/qtgui/iq_tool.cpp
@@ -29,6 +29,7 @@
 #include <QString>
 #include <QStringList>
 #include <QTime>
+#include <QScrollBar>
 
 #include <math.h>
 
@@ -302,6 +303,8 @@ void CIqTool::timeoutFunction(void)
 void CIqTool::refreshDir()
 {
     int selection = ui->listWidget->currentRow();
+    QScrollBar * sc = ui->listWidget->verticalScrollBar();
+    int lastScroll = sc->sliderPosition();
 
     recdir->refresh();
     QStringList files = recdir->entryList();
@@ -310,6 +313,7 @@ void CIqTool::refreshDir()
     ui->listWidget->clear();
     ui->listWidget->insertItems(0, files);
     ui->listWidget->setCurrentRow(selection);
+    sc->setSliderPosition(lastScroll);
     ui->listWidget->blockSignals(false);
 
     if (is_recording)