open3d::visualization::gui::Combobox Class Reference

#include <Combobox.h>

Inheritance diagram for open3d::visualization::gui::Combobox:

Data Structures
struct	Impl

Public Member Functions
	Combobox ()
	Combobox (const std::vector< const char *> &items)
	~Combobox () override
void	ClearItems ()
int	AddItem (const char *name)
void	ChangeItem (int index, const char *name)
void	ChangeItem (const char *orig_name, const char *new_name)
void	RemoveItem (const char *name)
	Removes the first item matching the given text. More...
void	RemoveItem (int index)
	Removes the item at. More...
int	GetNumberOfItems () const
const char *	GetItem (int index) const
int	GetSelectedIndex () const
const char *	GetSelectedValue () const
	Returns the text of the selected value, or "" if nothing is selected. More...
void	SetSelectedIndex (int index)
bool	SetSelectedValue (const char *value)
Size	CalcPreferredSize (const Theme &theme) const override
DrawResult	Draw (const DrawContext &context) override
void	SetOnValueChanged (std::function< void(const char *, int)> on_value_changed)
Public Member Functions inherited from open3d::visualization::gui::Widget
	Widget ()
	Widget (const std::vector< std::shared_ptr< Widget >> &children)
virtual	~Widget ()
void	AddChild (std::shared_ptr< Widget > child)
const std::vector< std::shared_ptr< Widget > >	GetChildren () const
const Rect &	GetFrame () const
	Returns the frame size in pixels. More...
virtual void	SetFrame (const Rect &f)
const Color &	GetBackgroundColor () const
bool	IsDefaultBackgroundColor () const
void	SetBackgroundColor (const Color &color)
bool	IsVisible () const
virtual void	SetVisible (bool vis)
bool	IsEnabled () const
virtual void	SetEnabled (bool enabled)
virtual void	Layout (const Theme &theme)
virtual EventResult	Mouse (const MouseEvent &e)
virtual EventResult	Key (const KeyEvent &e)
virtual DrawResult	Tick (const TickEvent &e)

Additional Inherited Members
Public Types inherited from open3d::visualization::gui::Widget
enum	DrawResult { DrawResult::NONE, DrawResult::REDRAW, DrawResult::RELAYOUT }
enum	EventResult { EventResult::IGNORED, EventResult::CONSUMED, EventResult::DISCARD }
Static Public Attributes inherited from open3d::visualization::gui::Widget
static constexpr int	DIM_GROW = 10000
Protected Member Functions inherited from open3d::visualization::gui::Widget
void	DrawImGuiPushEnabledState ()
void	DrawImGuiPopEnabledState ()

Constructor & Destructor Documentation

Combobox() [1/2]

open3d::visualization::gui::Combobox::Combobox

(

)

Combobox() [2/2]

open3d::visualization::gui::Combobox::Combobox ( const std::vector< const char *> &  items )

explicit

~Combobox()

open3d::visualization::gui::Combobox::~Combobox ( )

override

Member Function Documentation

AddItem()

int open3d::visualization::gui::Combobox::AddItem

(

const char *

name

)

Adds an item to the combobox. Its index is the order in which it is added, so the first item's index is 0, the second is 1, etc. Returns the index of the new item.

CalcPreferredSize()

Size open3d::visualization::gui::Combobox::CalcPreferredSize ( const Theme &  theme ) const

overridevirtual

Reimplemented from open3d::visualization::gui::Widget.

ChangeItem() [1/2]

void open3d::visualization::gui::Combobox::ChangeItem	(	int	index,
		const char *	name
	)

Changes the item's text.

Parameters

index

must be valid, otherwise nothing will happen.

ChangeItem() [2/2]

void open3d::visualization::gui::Combobox::ChangeItem	(	const char *	orig_name,
		const char *	new_name
	)

If an item exists with

Parameters

orig_name,it	will be changed to
new_name.

ClearItems()

void open3d::visualization::gui::Combobox::ClearItems

(

)

Draw()

Combobox::DrawResult open3d::visualization::gui::Combobox::Draw ( const DrawContext &  context )

overridevirtual

Draws the widget. If this is a Dear ImGUI widget, this is where the actual event processing happens. Return NONE if no action needs to be taken, REDRAW if the widget needs to be redrawn (e.g. its value changed), and RELAYOUT if the widget wishes to change size.

Reimplemented from open3d::visualization::gui::Widget.

GetItem()

const char * open3d::visualization::gui::Combobox::GetItem

(

int

index

)

const

Returns the text of the item at

Parameters

index.
index	must be valid.

GetNumberOfItems()

int open3d::visualization::gui::Combobox::GetNumberOfItems

(

)

const

GetSelectedIndex()

int open3d::visualization::gui::Combobox::GetSelectedIndex

(

)

const

GetSelectedValue()

const char * open3d::visualization::gui::Combobox::GetSelectedValue

(

)

const

Returns the text of the selected value, or "" if nothing is selected.

RemoveItem() [1/2]

void open3d::visualization::gui::Combobox::RemoveItem

(

const char *

name

)

Removes the first item matching the given text.

RemoveItem() [2/2]

void open3d::visualization::gui::Combobox::RemoveItem

(

int

index

)

Removes the item at.

Parameters

index.

SetOnValueChanged()

void open3d::visualization::gui::Combobox::SetOnValueChanged

(

std::function< void(const char *, int)>

on_value_changed

)

Specifies a callback function which will be called when the value changes as a result of user action.

SetSelectedIndex()

void open3d::visualization::gui::Combobox::SetSelectedIndex

(

int

index

)

Sets the selected item by index. Does not call the onValueChanged callback.

SetSelectedValue()

bool open3d::visualization::gui::Combobox::SetSelectedValue

(

const char *

value

)

Sets the selected item by value. Does nothing if

Parameters

value

is not an item, but will return false. Does not call the onValueChanged callback

---

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

• /home/runner/work/Open3D/Open3D/cpp/open3d/visualization/gui/Combobox.h (313315d (Wed Dec 23 23:39:47 2020 -0800))
• /home/runner/work/Open3D/Open3D/cpp/open3d/visualization/gui/Combobox.cpp (313315d (Wed Dec 23 23:39:47 2020 -0800))