Added record length selector

[pulseview.git] / samplingbar.cpp

diff --git a/samplingbar.cpp b/samplingbar.cpp
index acb106466b961e7084667b053d9bea6cb8d90ac8..711f6f4eae92ebc265d63c1d321f8d81f61cb391 100644 (file)
--- a/samplingbar.cpp
+++ b/samplingbar.cpp
@@ -20,6 +20,8 @@
 
 #include <assert.h>
 
+#include <boost/foreach.hpp>
+
 extern "C" {
 #include <libsigrok/libsigrok.h>
 }
@@ -28,9 +30,24 @@ extern "C" {
 
 #include "samplingbar.h"
 
+const uint64_t SamplingBar::RecordLengths[11] = {
+       1000000,
+       2000000,
+       5000000,
+       10000000,
+       25000000,
+       50000000,
+       100000000,
+       250000000,
+       500000000,
+       1000000000,
+       10000000000
+};
+
 SamplingBar::SamplingBar(QWidget *parent) :
        QToolBar("Sampling Bar", parent),
        _device_selector(this),
+       _record_length_selector(this),
        _sample_rate_list(this),
        _run_stop_button(this)
 {
@@ -41,9 +58,18 @@ SamplingBar::SamplingBar(QWidget *parent) :
        _sample_rate_value.setDecimals(0);
        _sample_rate_value.setSuffix("Hz");
 
+       BOOST_FOREACH(uint64_t l, RecordLengths)
+       {
+               char *const text = sr_si_string_u64(l, " samples");
+               _record_length_selector.addItem(QString(text),
+                       qVariantFromValue(l));
+               g_free(text);
+       }
+
        _run_stop_button.setText("Run");
 
        addWidget(&_device_selector);
+       addWidget(&_record_length_selector);
        _sample_rate_list_action = addWidget(&_sample_rate_list);
        _sample_rate_value_action = addWidget(&_sample_rate_value);
        addWidget(&_run_stop_button);
@@ -62,6 +88,15 @@ struct sr_dev_inst* SamplingBar::get_selected_device() const
                index).value<void*>();
 }
 
+uint64_t SamplingBar::get_record_length() const
+{
+       const int index = _record_length_selector.currentIndex();
+       if(index < 0)
+               return 0;
+
+       return _record_length_selector.itemData(index).value<uint64_t>();
+}
+
 uint64_t SamplingBar::get_sample_rate() const
 {
        assert(_sample_rate_value_action);