Class Window

Definition

Namespace:: Tizen.NUI

Assembly:: Tizen.NUI.dll

The window class is used internally for drawing.
The window has an orientation and indicator properties.

public class Window : BaseHandle, INotifyPropertyChanged, IDisposable

Inheritance: object

BindableObject

Tizen.NUI.Binding.Element

BaseHandle

Window

Implements: System.ComponentModel.INotifyPropertyChanged

System.IDisposable

Constructors

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Window(string, Rectangle, bool)

Creates a new Window with a specific name.
This creates an extra window in addition to the default main window

Declaration

public Window(string name, Rectangle windowPosition = null, bool isTranslucent = false)

Parameters

Type	Name	Description
string	name	The name for extra window.
Rectangle	windowPosition	The position and size of the Window.
bool	isTranslucent	Whether Window is translucent.

Exceptions

Type	Condition
System.NotSupportedException	The required feature is not supported.

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Window(Rectangle, bool)

Creates a new Window.
This creates an extra window in addition to the default main window

Declaration

public Window(Rectangle windowPosition = null, bool isTranslucent = false)

Parameters

Type	Name	Description
Rectangle	windowPosition	The position and size of the Window.
bool	isTranslucent	Whether Window is translucent.

Exceptions

Type	Condition
System.NotSupportedException	The required feature is not supported.

Properties

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BackgroundColor

The background color property.

Declaration

public Color BackgroundColor { get; set; }

Property Value

Type	Description
Color

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Dpi

The DPI property (read-only).
Retrieves the DPI of the display device to which the Window is connected.

Declaration

public Vector2 Dpi { get; }

Property Value

Type	Description
Vector2

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Instance

The stage instance property (read-only).
Gets the current window.

Declaration

public static Window Instance { get; }

Property Value

Type	Description
Window

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LayerCount

The layer count property (read-only).
Queries the number of on-Window layers.

Declaration

public uint LayerCount { get; }

Property Value

Type	Description
uint

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NativeHandle

Get Native Window handle. How to get Native Window handle

Window window = NUIApplication.GetDefaultWindow();
var handle = window.NativeHandle;
if(handle.IsInvalid == false)
{
    IntPtr nativeHandle = handle.DangerousGetHandle();
    // do something with nativeHandle
}

Declaration

public SafeHandle NativeHandle { get; }

Property Value

Type	Description
System.Runtime.InteropServices.SafeHandle

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RenderingBehavior

The rendering behavior of a Window.

Declaration

public RenderingBehaviorType RenderingBehavior { get; set; }

Property Value

Type	Description
RenderingBehaviorType

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Size

The window size property (read-only).

Declaration

public Size2D Size { get; }

Property Value

Type	Description
Size2D

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Title

Gets/Sets a window title.

Declaration

public string Title { get; set; }

Property Value

Type	Description
string

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Type

Gets or sets a window type. Most of window type can be set to use WindowType, except for IME type. IME type can be set to use one of NUIApplication's constrcutors.

Declaration

public WindowType Type { get; set; }

Property Value

Type	Description
WindowType

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WindowPosition

Gets or sets a position of the window.

Declaration

public Position2D WindowPosition { get; set; }

Property Value

Type	Description
Position2D

Exceptions

Type	Condition
System.ArgumentNullException	Thrown when value is null.

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WindowSize

Gets or sets a size of the window.

Declaration

public Size2D WindowSize { get; set; }

Property Value

Type	Description
Size2D

Exceptions

Type	Condition
System.ArgumentNullException	Thrown when value is null.

Methods

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Activate()

Activates the window to the top of the window stack even it is iconified.

Declaration

public void Activate()

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Add(View)

Add a child view to window.

Declaration

public void Add(View view)

Parameters

Type	Name	Description
View	view	the child should be added to the window.

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AddAuxiliaryHint(string, string)

Creates an auxiliary hint of the window.

Declaration

public uint AddAuxiliaryHint(string hint, string value)

Parameters

Type	Name	Description
string	hint	The auxiliary hint string.
string	value	The value string.

Returns

Type	Description
uint	The ID of created auxiliary hint, or 0 on failure.

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AddAvailableOrientation(WindowOrientation)

Adds an orientation to the list of available orientations.

Declaration

public void AddAvailableOrientation(Window.WindowOrientation orientation)

Parameters

Type	Name	Description
Window.WindowOrientation	orientation	The available orientation to add

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AddLayer(Layer)

Adds a layer to the stage.

Declaration

public void AddLayer(Layer layer)

Parameters

Type	Name	Description
Layer	layer	Layer to add.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown when layer is null.

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FeedKey(Key)

Feeds a key event into the window.

Declaration

public void FeedKey(Key keyEvent)

Parameters

Type	Name	Description
Key	keyEvent	The key event to feed.

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FeedKeyEvent(Key)

Feed a key-event into the window.

Declaration

[Obsolete("Do not use this, that will be deprecated. Use FeedKey(Key keyEvent) instead.")]
public static void FeedKeyEvent(Key keyEvent)

Parameters

Type	Name	Description
Key	keyEvent	The key event to feed.

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GetAuxiliaryHintId(string)

Gets an ID of the auxiliary hint string.

Declaration

public uint GetAuxiliaryHintId(string hint)

Parameters

Type	Name	Description
string	hint	The auxiliary hint string.

Returns

Type	Description
uint	The ID of auxiliary hint string, or 0 on failure.

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GetAuxiliaryHintValue(uint)

Gets a value of the auxiliary hint.

Declaration

public string GetAuxiliaryHintValue(uint id)

Parameters

Type	Name	Description
uint	id	The auxiliary hint ID.

Returns

Type	Description
string	The string value of the auxiliary hint ID, or an empty string if none exists.

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GetBrightness()

Gets the preferred brightness of the window.

Declaration

public int GetBrightness()

Returns

Type	Description
int	The preferred brightness.

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GetDefaultLayer()

Gets the default ( root ) layer.

Declaration

public Layer GetDefaultLayer()

Returns

Type	Description
Layer	The root layer.

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GetKeyboardRepeatInfo(out float, out float)

Gets the keyboard repeat information.

Declaration

public bool GetKeyboardRepeatInfo(out float rate, out float delay)

Parameters

Type	Name	Description
float	rate	The key repeat rate value in seconds.
float	delay	The key repeat delay value in seconds.

Returns

Type	Description
bool	True if setting the keyboard repeat succeeds.

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GetLayer(uint)

Retrieves the layer at a specified depth.

Declaration

public Layer GetLayer(uint depth)

Parameters

Type	Name	Description
uint	depth	The layer's depth index.

Returns

Type	Description
Layer	The layer found at the given depth.

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GetNotificationLevel()

Gets a priority level for the specified notification window.

Declaration

public NotificationLevel GetNotificationLevel()

Returns

Type	Description
NotificationLevel	The notification window level.

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GetParent()

Gets parent window of the window.

Declaration

public Window GetParent()

Returns

Type	Description
Window	The parent window of the window.

Exceptions

Type	Condition
System.NotSupportedException	The required feature is not supported.

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GetPreferredOrientation()

Gets the preferred orientation.

Declaration

public Window.WindowOrientation GetPreferredOrientation()

Returns

Type	Description
Window.WindowOrientation	The preferred orientation if previously set, or none.

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GetScreenOffMode()

Gets the screen mode of the window.

Declaration

public ScreenOffMode GetScreenOffMode()

Returns

Type	Description
ScreenOffMode	The screen off mode.

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GetSupportedAuxiliaryHint(uint)

Gets the supported auxiliary hint string of the window.

Declaration

public string GetSupportedAuxiliaryHint(uint index)

Parameters

Type	Name	Description
uint	index	The index of the supported auxiliary hint lists.

Returns

Type	Description
string	The auxiliary hint string of the index.

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GetSupportedAuxiliaryHintCount()

Gets the count of supported auxiliary hints of the window.

Declaration

public uint GetSupportedAuxiliaryHintCount()

Returns

Type	Description
uint	The number of supported auxiliary hints.

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GrabKey(int, KeyGrabMode)

Grabs the key specified by a key for a window in a GrabMode.
Details: This function can be used for following example scenarios:

TV - A user might want to change the volume or channel of the background TV contents while focusing on the foregrund app.
Mobile - When a user presses the Home key, the homescreen appears regardless of the current foreground app.
Mobile - Using the volume up or down as zoom up or down in camera apps.

Declaration

public bool GrabKey(int DaliKey, Window.KeyGrabMode GrabMode)

Parameters

Type	Name	Description
int	DaliKey	The key code to grab.
Window.KeyGrabMode	GrabMode	The grab mode for the key.

Returns

Type	Description
bool	True if the grab succeeds.

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GrabKeyTopmost(int)

Grabs the key specified by a key for a window only when a window is the topmost window.
This function can be used for following example scenarios:

Mobile - Using volume up or down as zoom up or down in camera apps.

Declaration

public bool GrabKeyTopmost(int DaliKey)

Parameters

Type	Name	Description
int	DaliKey	The key code to grab.

Returns

Type	Description
bool	True if the grab succeeds.

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Hide()

Hides the window if it is showing.

Declaration

public void Hide()

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IsFocusAcceptable()

Returns whether the window accepts a focus or not.

Declaration

public bool IsFocusAcceptable()

Returns

Type	Description
bool	True if the window accepts a focus, false otherwise.

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IsOpaqueState()

Returns whether a transparent window's visual state is opaque or not.

Declaration

public bool IsOpaqueState()

Returns

Type	Description
bool	True if the window's visual state is opaque, false otherwise.

Remarks

The return value has no meaning on an opaque window.

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IsVisible()

Retrieves whether the window is visible or not.

Declaration

public bool IsVisible()

Returns

Type	Description
bool	True if the window is visible.

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KeepRendering(float)

Keep rendering for at least the given amount of time.

Declaration

public void KeepRendering(float durationSeconds)

Parameters

Type	Name	Description
float	durationSeconds	Time to keep rendering, 0 means render at least one more frame.

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Lower()

Lowers the window to the bottom of the window stack.

Declaration

public void Lower()

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Raise()

Raises the window to the top of the window stack.

Declaration

public void Raise()

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Remove(View)

Remove a child view from window.

Declaration

public void Remove(View view)

Parameters

Type	Name	Description
View	view	the child to be removed.

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RemoveAuxiliaryHint(uint)

Removes an auxiliary hint of the window.

Declaration

public bool RemoveAuxiliaryHint(uint id)

Parameters

Type	Name	Description
uint	id	The ID of the auxiliary hint.

Returns

Type	Description
bool	True if no error occurred, false otherwise.

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RemoveAvailableOrientation(WindowOrientation)

Removes an orientation from the list of available orientations.

Declaration

public void RemoveAvailableOrientation(Window.WindowOrientation orientation)

Parameters

Type	Name	Description
Window.WindowOrientation	orientation	The available orientation to remove.

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RemoveLayer(Layer)

Removes a layer from the stage.

Declaration

public void RemoveLayer(Layer layer)

Parameters

Type	Name	Description
Layer	layer	Layer to remove.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown when layer is null.

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RenderOnce()

Allows at least one more render, even when paused. The window should be shown, not minimised.

Declaration

public void RenderOnce()

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SetAcceptFocus(bool)

Sets whether the window accepts a focus or not.

Declaration

public void SetAcceptFocus(bool accept)

Parameters

Type	Name	Description
bool	accept	If a focus is accepted or not. The default is true.

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SetAuxiliaryHintValue(uint, string)

Changes a value of the auxiliary hint.

Declaration

public bool SetAuxiliaryHintValue(uint id, string value)

Parameters

Type	Name	Description
uint	id	The auxiliary hint ID.
string	value	The value string to be set.

Returns

Type	Description
bool	True if no error occurred, false otherwise.

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SetBrightness(int)

Sets preferred brightness of the window.

Declaration

public bool SetBrightness(int brightness)

Parameters

Type	Name	Description
int	brightness	The preferred brightness (0 to 100).

Returns

Type	Description
bool	True if no error occurred, false otherwise.

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SetClass(string, string)

Sets the window name and the class string.

Declaration

public void SetClass(string name, string klass)

Parameters

Type	Name	Description
string	name	The name of the window.
string	klass	The class of the window.

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SetInputRegion(Rectangle)

Sets a region to accept input events.

Declaration

public void SetInputRegion(Rectangle inputRegion)

Parameters

Type	Name	Description
Rectangle	inputRegion	The region to accept input events.

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SetKeyboardRepeatInfo(float, float)

Sets the keyboard repeat information.

Declaration

public bool SetKeyboardRepeatInfo(float rate, float delay)

Parameters

Type	Name	Description
float	rate	The key repeat rate value in seconds.
float	delay	The key repeat delay value in seconds.

Returns

Type	Description
bool	True if setting the keyboard repeat succeeds.

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SetNotificationLevel(NotificationLevel)

Sets a priority level for the specified notification window.

Declaration

public bool SetNotificationLevel(NotificationLevel level)

Parameters

Type	Name	Description
NotificationLevel	level	The notification window level.

Returns

Type	Description
bool	True if no error occurred, false otherwise.

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SetOpaqueState(bool)

Sets a transparent window's visual state to opaque.
If a visual state of a transparent window is opaque,
then the window manager could handle it as an opaque window when calculating visibility.

Declaration

public void SetOpaqueState(bool opaque)

Parameters

Type	Name	Description
bool	opaque	Whether the window's visual state is opaque.

Remarks

This will have no effect on an opaque window.
It doesn't change transparent window to opaque window but lets the window manager know the visual state of the window.

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SetParent(Window)

Sets parent window of the window. After setting that, these windows do together when raise-up, lower and iconified/deiconified. Initially, the window is located on top of the parent. The window can go below parent by calling Lower(). If parent's window stack is changed by calling Raise() or Lower(), child windows are located on top of the parent again.

Declaration

public void SetParent(Window parent)

Parameters

Type	Name	Description
Window	parent	The parent window.

Exceptions

Type	Condition
System.NotSupportedException	The required feature is not supported.

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SetPreferredOrientation(WindowOrientation)

Sets a preferred orientation.

Declaration

public void SetPreferredOrientation(Window.WindowOrientation orientation)

Parameters

Type	Name	Description
Window.WindowOrientation	orientation	The preferred orientation.

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SetScreenOffMode(ScreenOffMode)

Sets a window's screen off mode.

Declaration

public bool SetScreenOffMode(ScreenOffMode screenOffMode)

Parameters

Type	Name	Description
ScreenOffMode	screenOffMode	The screen mode.

Returns

Type	Description
bool	True if no error occurred, false otherwise.

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SetTransparency(bool)

Sets whether the window is transparent or not.

Declaration

public void SetTransparency(bool transparent)

Parameters

Type	Name	Description
bool	transparent	Whether the window is transparent or not.

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Show()

Shows the window if it is hidden.

Declaration

public void Show()

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UngrabKey(int)

Ungrabs the key specified by a key for a window.
Note: If this function is called between key down and up events of a grabbed key, an application doesn't receive the key up event.

Declaration

public bool UngrabKey(int DaliKey)

Parameters

Type	Name	Description
int	DaliKey	The key code to ungrab.

Returns

Type	Description
bool	True if the ungrab succeeds.

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UngrabKeyTopmost(int)

Ungrabs the key specified by a key for the window.
Note: If this function is called between key down and up events of a grabbed key, an application doesn't receive the key up event.

Declaration

public bool UngrabKeyTopmost(int DaliKey)

Parameters

Type	Name	Description
int	DaliKey	The key code to ungrab.

Returns

Type	Description
bool	True if the ungrab succeeds.

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Unparent()

Unsets parent window of the window. After unsetting, the window is disconnected his parent window.

Declaration

public void Unparent()

Exceptions

Type	Condition
System.NotSupportedException	The required feature is not supported.

Events

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FocusChanged

FocusChanged event.

Declaration

public event EventHandler<Window.FocusChangedEventArgs> FocusChanged

Event Type

Type	Description
System.EventHandler<TEventArgs><Window.FocusChangedEventArgs>

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KeyEvent

Emits the event when the key event is received.

Declaration

public event EventHandler<Window.KeyEventArgs> KeyEvent

Event Type

Type	Description
System.EventHandler<TEventArgs><Window.KeyEventArgs>

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Resized

Emits the event when window is resized by user or the display server.

Declaration

public event EventHandler<Window.ResizedEventArgs> Resized

Event Type

Type	Description
System.EventHandler<TEventArgs><Window.ResizedEventArgs>

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TouchEvent

Emits the event when the screen is touched and when the touch ends.
If there are multiple touch points then it is emitted when the first touch occurs and when the last finger is lifted too.
Even though incoming events are interrupted, the event occurs.

Declaration

public event EventHandler<Window.TouchEventArgs> TouchEvent

Event Type

Type	Description
System.EventHandler<TEventArgs><Window.TouchEventArgs>

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WheelEvent

Emits the event when the wheel event is received.

Declaration

public event EventHandler<Window.WheelEventArgs> WheelEvent

Event Type

Type	Description
System.EventHandler<TEventArgs><Window.WheelEventArgs>

Implements

System.ComponentModel.INotifyPropertyChanged

System.IDisposable