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Unigine::WidgetComboBox Class

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

This class creates a combo box.

Example#

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

Source code (UnigineScript)
#include <UnigineWidgets.h>
using namespace Unigine;

/* .. */

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

/* .. */

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

// creating a combobox widget
WidgetComboBoxPtr widget_combo = WidgetComboBox::create(gui);

// adding items to the combobox
widget_combo->addItem("----ALL-----");
widget_combo->addItem("Item 1");
widget_combo->addItem("Item 2");
widget_combo->addItem("Item 3");

// setting a tooltip
widget_combo->setToolTip("This is a combo box");

// rearranging combobox size
widget_combo->arrange();

// setting combobox position
widget_combo->setPosition(10, 10);

// setting the first item as currently selected one
widget_combo->setCurrentItem(0);

// setting onComboBoxChanged function to handle CHANGED event
widget_combo->setCallback0(Gui::CHANGED, MakeCallback(onComboBoxChanged));

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

WidgetComboBox Class

Members


static WidgetComboBoxPtr create ( const Ptr<Gui> & gui ) #

Constructor. Creates an empty combobox.

Arguments

  • const Ptr<Gui> & gui - GUI, to which the new combobox will belong.

Ptr<WidgetComboBox> cast ( const Ptr<Widget> & widget ) #

Casts a WidgetComboBox out of the Widget instance.

Arguments

  • const Ptr<Widget> & widget - Pointer to Widget.

Return value

Pointer to WidgetComboBox.

void setCurrentItem ( int item ) #

Sets a given item as selected.

Arguments

  • int item - Item number.

int getCurrentItem ( ) #

Returns the currently selected item.

Return value

Item number.

const char * getCurrentItemData ( ) #

Returns the data of the currently selected item. The data can be used as a text identifier of the item (instead of using the number of the item).

Return value

Item data.

const char * getCurrentItemText ( ) #

Returns a text value of the currently selected item.

Return value

Item text.

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

Sets an image with mini icons to be used with items. The image is a vertical strip of square icons.

Arguments

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

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

Returns the image with mini icons, which are used with the combobox items.

Arguments

  • const Ptr<Image> & image

void setItemData ( int item, const char * str ) #

Sets the data for a given item. The data can be used as a text identifier of the item (instead of using the number of the item).

Arguments

  • int item - Item number in range from 0 to the total number of items.
  • const char * str - Item data to set.

const char * getItemData ( int item ) #

Returns the data of a given item. The data can be used as a text identifier of the item (instead of using the number of the item).

Arguments

  • int item - Item number in range from 0 to the total number of items.

Return value

Item data.

void setItemText ( int item, const char * str ) #

Sets a text for a given item.

Arguments

  • int item - Item number in range from 0 to the total number of items.
  • const char * str - Item text.

const char * getItemText ( int item ) #

Returns the text of a given item.

Arguments

  • int item - Item number in range from 0 to the total number of items.

Return value

Item text.

void setItemTexture ( int item, int texture ) #

Sets an icon for a given item.

Arguments

  • int item - Item number in range from 0 to the total number of items.
  • int texture - Zero-based ID of the icon.

int getItemTexture ( int item ) #

Returns the icon of a given item.

Arguments

  • int item - Item number in range from 0 to the total number of items.

Return value

Zero-based ID of the icon.

int getNumItems ( ) #

Returns the number of items in the combobox.

Return value

Number of items.

void setTexture ( const char * texture ) #

Sets a texture with mini icons to be used with items. The texture is a vertical strip of square icons.

Arguments

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

const char * getTexture ( ) #

Returns path to the image with mini icons, which are used with combobox items.

Return value

Path to the texture file.

int addItem ( const char * str, int texture = -1 ) #

Adds a new item with a given text and an icon.

Arguments

  • const char * str - Item text.
  • int texture - Zero-based ID of the icon.

Return value

Number of the added item.

void clear ( ) #

Removes all items from the combobox.

void removeItem ( int num ) #

Removes a given item from the combobox.

Arguments

  • int num - Item number in range from 0 to the total number of items.

int type ( ) #

WidgetComboBox type.

Return value

WidgetComboBox type identifier.
Last update: 16.08.2019
Build: ()