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Code Issues Releases Wiki Activity

Add "offset" to SliderTextCtrl widget

Browse Source 
This parameter adds an offset to the value before calculating the
logarithm to tweak the scaling of the slider.

Signed-off-by: Max Maisel <max.maisel@posteo.de>
This commit is contained in:
Max Maisel 2021-02-12 14:25:37 +01:00
parent fd4276e3f2
commit dec7e72abc
4 changed files with 14 additions and 10 deletions
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4
src/ShuttleGui.cpp
View File

@ -618,7 +618,7 @@ wxSlider * ShuttleGuiBase::AddSlider(
SliderTextCtrl* ShuttleGuiBase::AddSliderTextCtrl(
const TranslatableString &Prompt, double pos, double Max, double Min,
int precision, double* value, double scale)
int precision, double* value, double scale, double offset)
{
HandleOptionality( Prompt );
AddPrompt( Prompt );
@ -627,7 +627,7 @@ SliderTextCtrl* ShuttleGuiBase::AddSliderTextCtrl(
return wxDynamicCast(wxWindow::FindWindowById( miId, mpDlg), SliderTextCtrl);
SliderTextCtrl * pSlider;
mpWind = pSlider = safenew SliderTextCtrl(GetParent(), miId,
pos, Min, Max, precision, scale, wxDefaultPosition, wxDefaultSize,
pos, Min, Max, precision, scale, offset, wxDefaultPosition, wxDefaultSize,
GetStyle( SliderTextCtrl::HORIZONTAL ),
value
);

2
src/ShuttleGui.h
View File

@ -267,7 +267,7 @@ public:
SliderTextCtrl* AddSliderTextCtrl(
const TranslatableString &Prompt, double pos, double Max, double Min = 0,
int precision = 2, double* value = NULL, double scale = 0);
int precision = 2, double* value = NULL, double scale = 0, double offset = 0);
// Pass the same initValue to the sequence of calls to AddRadioButton and
// AddRadioButtonToGroup.

14
src/widgets/SliderTextCtrl.cpp
View File

@ -29,7 +29,8 @@ wxDEFINE_EVENT(cEVT_SLIDERTEXT, wxCommandEvent);
SliderTextCtrl::SliderTextCtrl(wxWindow *parent, wxWindowID winid,
double value, double min, double max, int precision, double scale,
const wxPoint& pos, const wxSize& size, long style, double* varValue)
double offset, const wxPoint& pos, const wxSize& size, long style,
double* varValue)
: wxPanelWrapper(parent, winid, pos, size, wxWS_EX_VALIDATE_RECURSIVELY)
{
m_log = style & LOG;
@ -38,6 +39,7 @@ SliderTextCtrl::SliderTextCtrl(wxWindow *parent, wxWindowID winid,
m_min = min;
m_max = max;
m_zero = -std::numeric_limits<double>::infinity();
m_offset = offset;
if(m_int)
{
@ -62,13 +64,13 @@ SliderTextCtrl::SliderTextCtrl(wxWindow *parent, wxWindowID winid,
min = m_zero;
}
else
min = log10(min);
min = log10(min + m_offset);
if(value <= 0.0)
value = m_zero;
else
value = log10(value);
max = log10(max);
value = log10(value + m_offset);
max = log10(max + m_offset);
}
m_sizer = safenew wxBoxSizer(
@ -118,7 +120,7 @@ void SliderTextCtrl::OnTextChange(wxCommandEvent& event)
if(m_value == 0.0)
value = m_zero;
else
value = log10(m_value);
value = log10(m_value + m_offset);
}
m_slider->SetValue(round(value * m_scale));
event.SetEventType(cEVT_SLIDERTEXT);
@ -134,7 +136,7 @@ void SliderTextCtrl::OnSlider(wxCommandEvent& event)
m_value = 0.0;
else
{
m_value = pow(10.0, m_value);
m_value = pow(10.0, m_value) - m_offset;
m_value = std::max(m_min, m_value);
m_value = std::min(m_max, m_value);
}

4
src/widgets/SliderTextCtrl.h
View File

@ -37,7 +37,8 @@ class SliderTextCtrl : public wxPanelWrapper
SliderTextCtrl(wxWindow *parent, wxWindowID winid,
double value, double min, double max, int precision = 2,
double scale = 0, const wxPoint& pos = wxDefaultPosition,
double scale = 0, double offset = 0,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = HORIZONTAL,
double* varValue = NULL);
@ -69,6 +70,7 @@ class SliderTextCtrl : public wxPanelWrapper
double m_min;
double m_max;
double m_zero;
double m_offset;
wxString m_format;
DECLARE_EVENT_TABLE()