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Unigine::WidgetButton Class

Header: #include <UnigineWidgets.h>
Inherits: Widget

Interface for widget button handling.

See Also#

  • UnigineScript API sample <UnigineSDK>/data/samples/widgets/button_00

Example#

The following code illustrates how to create a button widget and set its parameters.

Source code (C++)
#include <UnigineWidgets.h>
#include <UnigineUserInterface.h>
using namespace Unigine;

/* .. */

// event handler function
int onButtonClicked()
{
	/* .. */
	
	return 1;
}

/* .. */

// getting a pointer to the system GUI
GuiPtr gui = Gui::get();

// creating a button widget and setting its caption
WidgetButtonPtr widget_button = WidgetButton::create(gui, "Delete");

// setting a tooltip
widget_button->setToolTip("Delete object(s)");

// rearranging button size
widget_button->arrange();

// setting button position
widget_button->setPosition(10, 10);

// setting onButtonClicked function to handle CLICKED event
widget_button->addCallback(Gui::CLICKED, MakeCallback(onButtonClicked));

// adding created button widget to the system GUI
gui->addChild(widget_button, Gui::ALIGN_OVERLAP | Gui::ALIGN_FIXED);

WidgetButton Class

Members


static WidgetButtonPtr create ( const Ptr<Gui> & gui, const char * str = 0 ) #

Constructor. Creates a button with a given label and adds it to the specified GUI.

Arguments

  • const Ptr<Gui> & gui - GUI, to which the new button will belong.
  • const char * str - Button label. This is an optional parameter.

static WidgetButtonPtr create ( const char * str = 0 ) #

Constructor. Creates a button with a given label and adds it to the Engine GUI.

Arguments

  • const char * str - Button label. This is an optional parameter.

void setBackground ( int background ) #

Sets a value indicating if a background texture should be rendered for the button. By default, the background texture is always rendered. The default is 1.

Arguments

  • int background - 1 to render the background texture, 0 not to render. The default is 1.

int getBackground ( ) # const

Returns a value indicating if a background texture is rendered for the button. The default is 1.

Return value

1 if a background texture is rendered; otherwise, 0.

void setImage ( const Ptr<Image> & image ) #

Updates a button image.

Arguments

  • const Ptr<Image> & image - Image to set.

Ptr<Image> getImage ( ) # const

Returns the button image.

Return value

Button image.

void setText ( const char * text ) #

Sets a button text label.

Arguments

  • const char * text - Button label.

const char * getText ( ) # const

Returns the button text label.

Return value

Button label.

void setTextAlign ( int align ) #

Sets alignment of the button label.

Arguments

  • int align - One of the Gui:: Enumeration with ALIGN_* prefixes.

int getTextAlign ( ) # const

Returns alignment of the button label.

Return value

Alignment of the button label: one of the Gui:: Enumeration with ALIGN_* prefixes.

void setTexture ( const char * texture ) #

Sets a button image texture.

Arguments

  • const char * texture - Path to a texture file.

const char * getTexture ( ) # const

Returns the path to the button image texture.

Return value

Path to the button image texture.

void setToggleable ( bool toggleable ) #

Sets a value indicating if the button is a toggle button or a simple one.

Arguments

  • bool toggleable - 1 to make the button a toggle button, 0 to make it a simple one. The default is 0.

bool isToggleable ( ) # const

Returns a value indicating if the button is a toggle button or a simple one. The default is 0.

Return value

1 if the button is a toggle button; otherwise, 0.

void setToggled ( bool toggled ) #

Sets a state of the toggle button.

Arguments

  • bool toggled - 1 to press the button, 0 to release it.

bool isToggled ( ) # const

Returns a value indicating if the toggle button is pressed.

Return value

1 if the button is pressed; otherwise, 0.

void setButtonColor ( const Math::vec4 & color ) #

Sets the color to be used for the button.

Arguments

  • const Math::vec4 & color - Four-component vector specifying the color in the RGBA format.

Math::vec4 getButtonColor ( ) # const

Returns the current color for the button.

Return value

Four-component vector specifying the color in the RGBA format.
Last update: 16.06.2020