AccentSlider Class Reference

Inheritance diagram for AccentSlider:

Collaboration diagram for AccentSlider:

Public Member Functions
	AccentSlider (wxWindow *parent, int value, int minVal, int maxVal, const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize)
	~AccentSlider () override
int	GetValue () const
void	SetValue (int val)
bool	Enable (bool enable=true) override

Private Member Functions
void	OnPaint (wxPaintEvent &)
void	OnMouse (wxMouseEvent &)
int	xFromValue () const
int	valueFromX (int x) const

Private Attributes
int	m_value
int	m_min
int	m_max
bool	m_dragging = false

Detailed Description

Constructor & Destructor Documentation

AccentSlider()

AccentSlider::AccentSlider	(	wxWindow *	parent,
		int	value,
		int	minVal,
		int	maxVal,
		const wxPoint &	pos = wxDefaultPosition,
		const wxSize &	size = wxDefaultSize )

    : wxPanel(parent, wxID_ANY, pos, size.IsFullySpecified() ? size : wxSize(-1, parent->FromDIP(24)),
              wxTAB_TRAVERSAL | wxFULL_REPAINT_ON_RESIZE)
    , m_value(std::clamp(value, minVal, maxVal)), m_min(minVal), m_max(maxVal)
{
    SetBackgroundStyle(wxBG_STYLE_PAINT);
    SetMinSize(wxSize(-1, FromDIP(24)));
 
    Bind(wxEVT_PAINT,     &AccentSlider::OnPaint, this);
    Bind(wxEVT_SIZE, [this](wxSizeEvent& evt) {
        evt.Skip();
        Refresh();
    });
    Bind(wxEVT_LEFT_DOWN, &AccentSlider::OnMouse, this);
    Bind(wxEVT_LEFT_UP,   &AccentSlider::OnMouse, this);
    Bind(wxEVT_MOTION,    &AccentSlider::OnMouse, this);
    Bind(wxEVT_MOUSE_CAPTURE_LOST, [this](wxMouseCaptureLostEvent&) { m_dragging = false; });
}

References m_dragging, m_max, m_min, m_value, OnMouse(), and OnPaint().

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~AccentSlider()

AccentSlider::~AccentSlider ( )

override

{
    // See MixedFilamentDialog::~MixedFilamentDialog: a widget destroyed while it
    // still holds the capture wedges mouse input for the whole application.
    if (HasCapture())
        ReleaseMouse();
}

Member Function Documentation

Enable()

bool AccentSlider::Enable ( bool enable = true )

override

{
    bool ok = wxPanel::Enable(enable);
    Refresh();
    return ok;
}

GetValue()

int AccentSlider::GetValue

(

)

const

{ return m_value; }

References m_value.

OnMouse()

void AccentSlider::OnMouse ( wxMouseEvent & evt )

private

{
    if (!IsEnabled()) return;
 
    auto update = [&](int x) {
        int nv = valueFromX(x);
        if (nv != m_value) {
            m_value = nv;
            Refresh();
            wxCommandEvent e(wxEVT_SLIDER, GetId());
            e.SetEventObject(this);
            ProcessWindowEvent(e);
        }
    };
 
    if (evt.LeftDown()) {
        m_dragging = true;
        if (!HasCapture()) CaptureMouse();
        update(evt.GetX());
    } else if (evt.LeftUp()) {
        m_dragging = false;
        if (HasCapture()) ReleaseMouse();
    } else if (evt.Dragging() && m_dragging) {
        update(evt.GetX());
    }
}

References m_dragging, m_value, and valueFromX().

Referenced by AccentSlider().

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OnPaint()

void AccentSlider::OnPaint ( wxPaintEvent & )

private

{
    wxAutoBufferedPaintDC dc(this);
    wxSize sz = GetClientSize();
 
    dc.SetBackground(wxBrush(GetParent()->GetBackgroundColour()));
    dc.Clear();
 
    int margin = FromDIP(6);
    int track_y = sz.y / 2;
    int ts = FromDIP(8);
    int pen_w = FromDIP(2);
 
    wxColour accent_clr = IsEnabled() ? wxColour("#009688") : StateColor::darkModeColorFor(wxColour("#ACACAC")); // use original accent color here to make it more readable
    wxColour track_clr  = StateColor::darkModeColorFor(IsEnabled() ? wxColour("#CECECE") : wxColour("#DFDFDF"));
 
    int tx = xFromValue();
 
    dc.SetPen(wxPen(accent_clr, pen_w));
    dc.DrawLine(margin, track_y, tx, track_y);
 
    dc.SetPen(wxPen(track_clr, pen_w));
    dc.DrawLine(tx, track_y, sz.x - margin, track_y);
 
    wxPoint tri[3] = {
        {tx,          track_y + FromDIP(1)},
        {tx - ts / 2, track_y + FromDIP(1) + ts},
        {tx + ts / 2, track_y + FromDIP(1) + ts}
    };
    dc.SetBrush(wxBrush(accent_clr));
    dc.SetPen(*wxTRANSPARENT_PEN);
    dc.DrawPolygon(3, tri);
}

References StateColor::darkModeColorFor(), and xFromValue().

Referenced by AccentSlider().

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SetValue()

void AccentSlider::SetValue

(

int

val

)

{
    val = std::clamp(val, m_min, m_max);
    if (val != m_value) { m_value = val; Refresh(); }
}

References m_max, m_min, and m_value.

Referenced by Slic3r::GUI::TextureImportDialog::preview_spin_text_value().

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valueFromX()

int AccentSlider::valueFromX ( int x ) const

private

{
    wxSize sz = GetClientSize();
    int margin = FromDIP(6);
    int track_w = sz.x - 2 * margin;
    if (track_w <= 0 || m_max <= m_min) return m_min;
    int val = m_min + (x - margin) * (m_max - m_min) / track_w;
    return std::clamp(val, m_min, m_max);
}

References m_max, and m_min.

Referenced by OnMouse().

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xFromValue()

int AccentSlider::xFromValue ( ) const

private

{
    wxSize sz = GetClientSize();
    int margin = FromDIP(6);
    int track_w = sz.x - 2 * margin;
    if (m_max <= m_min || track_w <= 0) return margin;
    return margin + (m_value - m_min) * track_w / (m_max - m_min);
}

References m_max, m_min, and m_value.

Referenced by OnPaint().

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Member Data Documentation

m_dragging

bool AccentSlider::m_dragging = false

private

Referenced by AccentSlider(), and OnMouse().

m_max

int AccentSlider::m_max

private

Referenced by AccentSlider(), SetValue(), valueFromX(), and xFromValue().

m_min

int AccentSlider::m_min

private

Referenced by AccentSlider(), SetValue(), valueFromX(), and xFromValue().

m_value

int AccentSlider::m_value

private

Referenced by AccentSlider(), GetValue(), OnMouse(), SetValue(), and xFromValue().

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The documentation for this class was generated from the following file:

• /home/runner/work/OrcaSlicer/OrcaSlicer/src/slic3r/GUI/TextureImportDialog.cpp