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| __NOTOC__
| | #REDIRECT [[IUP/Controls/IupDialog]] |
| =IupDialog=
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| :Creates a dialog element. It manages user interaction with the interface elements. For any interface element to be shown, it must be encapsulated in a dialog.
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| ===Creation===
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| :iup.dialog{'''element''': ihandle} -> ('''elem''': ihandle)
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| :'''element''': Identifier of an interface element.
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| :This function returns the identifier of the created dialog, or NULL if an error occurs.
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| ===Attributes===
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| :BORDER: Shows a thick border around the dialog. Default: "YES". Used only in the creation. Can not be changed after that.
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| :MAXBOX: Requires a maximize button from the window manager. Creation-only attribute.
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| :MINBOX: Requires a minimize button from the window manager. Creation-only attribute.
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| :RESIZE: Allows interactively changing the dialog’s size. Creation-only attribute.
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| :[[IUP/Attributes/SIZE|SIZE]]: Dialog’s size. Differently from other interface elements, the following values can be defined for width and height:
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| :* "FULL": Defines the dialog’s width (or height) equal to the screen's width (or height)
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| :* "HALF": Defines the dialog’s width (or height) equal to half the screen's width (or height)
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| :* "THIRD": Defines the dialog’s width (or height) equal to 1/3 the screen's width (or height)
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| :* "QUARTER": Defines the dialog’s width (or height) equal to 1/4 of the screen's width (or height)
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| :* "EIGHTH": Defines the dialog’s width (or height) equal to 1/8 of the screen's width (or height)
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| ::Default: the smallest size that allows viewing the dialog.
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| ::The dialog’s size has precedence over the smallest size required by its children (either if it was specified in its creation or in run-time). Attributing a NULL value to SIZE or RASTERSIZE (in C) in a dialog will recompute its size according to its children.
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| :[[IUP/Attributes/TITLE|TITLE]]: Dialog’s title.
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| :[[IUP/Attributes/STARTFOCUS|STARTFOCUS]]: Name of the dialog element that must receive the focus right after the dialog is opened.
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| :[[IUP/Attributes/DEFAULTENTER|DEFAULTENTER]]: Name of the button activated when Enter is hit.
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| :[[IUP/Attributes/DEFAULTESC|DEFAULTESC]]: Name of the button activated when Esc is hit.
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| :[[IUP/Attributes/X|X]]: Dialog’s horizontal position on the screen, in pixels.
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| :[[IUP/Attributes/Y|Y]]: Dialog’s vertical position on the screen, in pixels.
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| :[[IUP/Attributes/SHRINK|SHRINK]]: Allows changing the elements’ distribution when the dialog is smaller than the minimum size.
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| :FULLSCREEN
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| ::Makes the dialog occupy the whole screen. All dialog details, such as border, maximize button, etc, are removed. Possible values: YES, NO. In Motif you may have to click in the dialog to set its focus.
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| :TOPMOST
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| ::This attribute puts the dialog always in front of all other dialogs in all applications. Default: NO.
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| ===Callbacks===
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| :SHOW_CB: Called right after the dialog is opened, minimized or restored from a minimization.
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| :MAP_CB: Called right after the element is mapped.
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| :CLOSE_CB: Called right before the dialog is closed.
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| ===Notes===
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| :Except for the menu, all other elements must be inside a dialog to interact with the user. Therefore, an interface element will only be visible when its VISIBLE attribute and that of the dialog are "YES".
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| :A menu that is not associated to a dialog can interact with the user by means of the IupPopup function.
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| :Values attributed to the SIZE attribute of a dialog are always accepted, regardless of the minimum size required by its children. For a dialog to have the minimum necessary size to fit all elements contained in it, simply define NULL (in C) to SIZE. In the case of partial dimensions, a specified dimension is always used, while a non-defined dimension uses the smallest necessary size for the elements in the corresponding direction.
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| ===Example===
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| <source lang=lua>
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| --IupDialog Example in IupLua
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| --Creates a simple dialog.
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| vbox = iup.vbox { iup.label {title="Label"}, iup.button { title="Test" } }
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| dlg = iup.dialog{vbox; title="Dialog"}
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| dlg:show()
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| </source>
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