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fix: The DSO waveform cannot be scaled with the mouse as the center

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This commit is contained in:
dreamsourcelabTAI
2024-04-27 15:53:20 +08:00
parent fa61c9cb6b
commit 336a50b1a7
1 changed files with 26 additions and 15 deletions
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41
DSView/pv/toolbars/samplingbar.cpp
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@@ -705,31 +705,42 @@ namespace pv
double SamplingBar::hori_knob(int dir)
{
int mode = _session->get_device()->get_work_mode();
assert(mode == DSO);
double hori_res = -1;
int cur_index = -1;
if (_session->get_device()->get_work_mode() != DSO){
assert(false);
}
disconnect(&_sample_count, SIGNAL(currentIndexChanged(int)), this, SLOT(on_samplecount_sel(int)));
if ((dir > 0) && (_sample_count.currentIndex() > 0)){
cur_index = _sample_count.currentIndex() - 1;
if (0 == dir)
{
hori_res = commit_hori_res();
}
else if ((dir < 0) && (_sample_count.currentIndex() < _sample_count.count() - 1)){
cur_index = _sample_count.currentIndex() + 1;
else if ((dir > 0) && (_sample_count.currentIndex() > 0))
{
set_sample_count_index(_sample_count.currentIndex() - 1);
hori_res = commit_hori_res();
if (_session->have_view_data() == false){
_session->apply_samplerate();
_session->broadcast_msg(DSV_MSG_DEVICE_DURATION_UPDATED);
}
}
else if ((dir < 0) && (_sample_count.currentIndex() < _sample_count.count() - 1))
{
set_sample_count_index(_sample_count.currentIndex() + 1);
hori_res = commit_hori_res();
if (_session->have_view_data() == false){
_session->apply_samplerate();
_session->broadcast_msg(DSV_MSG_DEVICE_DURATION_UPDATED);
}
}
connect(&_sample_count, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_samplecount_sel(int)));
if (cur_index != -1){
set_sample_count_index(cur_index);
}
apply_sample_count(hori_res);
return hori_res;
}