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### 35.3 UI Elements

The ui* series of functions work best with the `qt` graphics toolkit, although some functionality is available with the `fltk` toolkit. There is no support for the `gnuplot` toolkit.

Function File: hui = uicontextmenu (property, value, …)
Function File: hui = uicontextmenu (h, property, value, …)

  Create a uicontextmenu object and return a handle to it.

  If h is omitted then a uicontextmenu for the current figure is created. If no figure is available, a new figure is created first.

  If h is given then a uicontextmenu relative to h is created.

  Any provided property value pairs will override the default values of the created uicontextmenu object.

  Examples:

      % create figure and uicontextmenu
      f = figure;
      c = uicontextmenu (f);

      % create menus in the context menu
      m1 = uimenu ("parent",c,"label","Menu item 1","callback","disp('menu item 1')");
      m2 = uimenu ("parent",c,"label","Menu item 2","callback","disp('menu item 2')");

      % set the context menu for the figure
      set (f, "uicontextmenu", c);

  See also: figure, uimenu.

Function File: hui = uicontrol (property, value, …)
Function File: hui = uicontrol (parent, property, value, …)
Function File: uicontrol (h)

  Create a uicontrol object and return a handle to it.

  uicontrols are used to create simple interactive controls such as push buttons, checkboxes, edit and list controls.

  If parent is omitted then a uicontrol for the current figure is created. If no figure is available, a new figure is created first.

  If parent is given then a uicontrol relative to parent is created.

  Any provided property value pairs will override the default values of the created uicontrol object.

  Control of the type of uicontrol created is through the use of the style property. If no style property is provided, a push button will be created.

  Valid styles for uicontrol are:

  `"checkbox"`

    Create a checkbox control that allows user on/off selection.

  `"edit"`

    Create a edit control that allows user input of single or multiple lines of text.

  `"listbox"`

    Create a listbox control that displays a lit of items and allows user slelection of single or multiple items.

  `"popupmenu"`

    Create a popupmenu control that displays a list of options that can be selected when the user clicks on the control.

  `"pushbutton"`

    Create a push button control that allows user to press to cause an action.

  `"radiobutton"`

    Create a radio button control intended to be used for mutually exclusive input in a group of of radiobutton controls.

  `"slider"`

    Create a slider control that allows user selection from a range of values by sliding knob on the control.

  `"text"`

    Create a static text control to display single or multiple lines of text.

  `"togglebutton"`

    Create a toggle button control that appears like a push button but allows the user to select between two states.

  Examples:

      % create figure and panel on it
      f = figure;
      % create a button (default style)
      b1 = uicontrol (f, "string", "A Button", "position",[10 10 150 40]);
      % create an edit control
      e1 = uicontrol (f, "style", "edit", "string", "editable text", "position",[10 60 300 40]);
      % create a checkbox
      c1 = uicontrol (f, "style", "checkbox", "string", "a checkbox", "position",[10 120 150 40]);

  See also: figure, uipanel.

Function File: hui = uipanel (property, value, …)
Function File: hui = uipanel (parent, "property, value, …)

  Create a uipanel object and return a handle to it.

  uipanels are used as containers to group other uicontrol objects.

  If parent is omitted then a uipanel for the current figure is created. If no figure is available, a new figure is created first.

  If parent is given then a uipanel relative to parent is created.

  Any provided property value pairs will override the default values of the created uipanel object.

  Examples:

      % create figure and panel on it
      f = figure;
      p = uipanel ("title", "Panel Title", "position", [.25 .25 .5 .5]);

      % add two buttons to the panel
      b1 = uicontrol ("parent", p, "string", "A Button", "position",[18 10 150 36]);
      b2 = uicontrol ("parent", p, "string", "Another Button", "position",[18 60 150 36]);

  See also: figure, uicontrol.

Function File: hui = uipushtool (property, value, …)
Function File: hui = uipushtool (parent, property, value, …)

  Create a uipushtool object and return a handle to it.

  uipushtools are buttons that appear on a figure toolbar. The button is created with a border that is shown when the user hovers over the button. An image can be set using the cdata property.

  If parent is omitted then a uipushtool for the current figure is created. If no figure is available, a new figure is created first. If a figure is available, but does not contain a uitoolbar, a uitoolbar will be created.

  If parent is given then a uipushtools is created on the parent uitoolbar.

  Any provided property value pairs will override the default values of the created uipushtool object.

  Examples:

      % create figure without a default toolbar
      f = figure ("toolbar", "none");
      % create empty toolbar
      t = uitoolbar (f);
      % create a 19x19x3 black square
      img=zeros(19,19,3);
      % add pushtool button to toolbar
      b = uipushtool (t, "cdata", img);

  See also: figure, uitoolbar, uitoggletool.

Function File: hui = uitoggletool (property, value, …)
Function File: hui = uitoggletool (parent, property, value, …)

  Create a uitoggletool object and return a handle to it.

  uitoggletool are togglebuttons that appear on a figure toolbar. The button is created with a border that is shown when the user hovers over the button. An image can be set using the cdata property.

  If parent is omitted then a uitoggletool for the current figure is created. If no figure is available, a new figure is created first. If a figure is available, but does not contain a uitoolbar, a uitoolbar will be created.

  If parent is given then a uitoggletool is created on the parent uitoolbar.

  Any provided property value pairs will override the default values of the created uitoggletool object.

  Examples:

      % create figure without a default toolbar
      f = figure ("toolbar", "none");
      % create empty toolbar
      t = uitoolbar (f);
      % create a 19x19x3 black square
      img=zeros(19,19,3);
      % add uitoggletool button to toolbar
      b = uitoggletool (t, "cdata", img);

  See also: figure, uitoolbar, uipushtool.

Function File: hui = uitoolbar (property, value, …)
Function File: hui = uitoolbar (parent, property, value, …)

  Create a uitoolbar object and return a handle to it. A uitoolbar displays uitoggletool and uipushtool buttons.

  If parent is omitted then a uitoolbar for the current figure is created. If no figure is available, a new figure is created first.

  If parent is given then a uitoolbar relative to parent is created.

  Any provided property value pairs will override the default values of the created uitoolbar object.

  Examples:

      % create figure without a default toolbar
      f = figure ("toolbar", "none");
      % create empty toolbar
      t = uitoolbar (f);

  See also: figure, uitoggletool, uipushtool.

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