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Docs » Autodocs » gadtools.library » GT_SetGadgetAttrsA
GT_SetGadgetAttrsA -- change the attributes of a GadTools gadget. (V36)
GT_SetGadgetAttrs -- varargs stub for GT_SetGadgetAttrsA(). (V36)
GT_SetGadgetAttrsA(gad, win, req, tagList)
A0 A1 A2 A3
VOID GT_SetGadgetAttrsA(struct Gadget *, struct Window *,
struct Requester *, struct TagItem *);
GT_SetGadgetAttrs(gad, win, req, firsttag, ...)
VOID GT_SetGadgetAttrs(struct Gadget *, struct Window *,
struct Requester *, Tag, ...);
Change the attributes of the specified gadget, according to the
attributes chosen in the tag list. If an attribute is not provided
in the tag list, its value remains unchanged.
gad - pointer to the gadget in question. Starting with V39, this
value may be NULL in which case this function does nothing
win - pointer to the window containing the gadget. Starting with V39,
this value may be NULL in which case the internal attributes of
the gadgets are altered but no rendering occurs.
req - reserved for future use, should always be NULL
tagList - pointer to an array of tags providing optional extra
parameters, or NULL.
BUTTON_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise.
(V36)
CHECKBOX_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise.
(V36)
GTCB_Checked (BOOL) - State of checkbox. (V36)
CYCLE_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise
(V37)
GTCY_Active (UWORD) - The ordinal number (counting from zero) of
the active choice of a cycle gadget. (V36)
GTCY_Labels (STRPTR *) - Pointer to NULL-terminated array of strings
that are the choices offered by the cycle gadget. (V37)
INTEGER_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise
(V36)
GTIN_Number (ULONG) - New value of the integer gadget (V36)
LISTVIEW_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise
(V39)
GTLV_Top (WORD) - Top item visible in the listview. This value
will be made reasonable if out-of-range. (V36)
GTLV_MakeVisible (WORD) - Number of an item that should be forced
within the visible area of the listview by doing minimal scrolling.
This tag overrides GTLV_Top. (V39)
GTLV_Labels (struct List *) - List of nodes whose ln_Name fields
are to be displayed in the listview. Use a value of ~0 to
"detach" your List from the display. You must detach your list
before modifying the List structure, since GadTools reserves
the right to traverse it on another task's schedule. When you
are done, attach the list by using the tag pair
{GTLV_Labels, list}. (V36)
GTLV_Selected (UWORD) - Ordinal number of currently selected
item. Starting with V39, you can provide ~0 to cause the currently
selected item to be deselected. (V36)
MX_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise
(V39)
GTMX_Active (UWORD) - The ordinal number (counting from zero) of
the active choice of an mx gadget. (V36)
NUMBER_KIND:
GTNM_Number (LONG) - A signed long integer to be displayed in
the number gadget. (V36)
GTNM_FrontPen (UBYTE) - The pen to use when rendering the number. (V39)
GTNM_BackPen (UBYTE) - The pen to use when rendering the background
of the number. (V39)
GTNM_Justification (UBYTE) - Determines how the number is rendered
within the gadget box. GTJ_LEFT will make the rendering be
flush with the left side of the gadget, GTJ_RIGHT will make it
flush with the right side, and GTJ_CENTER will center the number
within the gadget box. (V39)
GTNM_Format (STRPTR) - C-Style formatting string to apply on the number
before display. Be sure to use the 'l' (long) modifier. This string
is processed using exec.library/RawDoFmt(), so refer to that
function for details. (V39)
PALETTE_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise
(V36)
GTPA_Color (UBYTE) - Selected color of the palette. This
number is a pen number, and not the ordinal color number within
the palette gadget itself. (V36)
GTPA_ColorOffset (UBYTE) - First color to use in palette (V39)
GTPA_ColorTable (UBYTE *) - Pointer to a table of pen numbers
indicating which colors should be used and edited by the palette
gadget. This array must contain as many entries as there are
colors displayed in the palette gadget. The array provided with
this tag must remain valid for the life of the gadget or until a
new table is provided. A NULL table pointer causes a 1-to-1
mapping of pen numbers. (V39)
SCROLLER_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise
(V36)
GTSC_Top (WORD) - Top visible in scroller. (V36)
GTSC_Total (WORD) - Total in scroller area. (V36)
GTSC_Visible (WORD) - Number visible in scroller. (V36)
SLIDER_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise
(V36)
GTSL_Min (WORD) - Minimum level for slider. (V36)
GTSL_Max (WORD) - Maximum level for slider. (V36)
GTSL_Level (WORD) - Current level of slider. (V36)
GTSL_LevelFormat (STRPTR) - C-Style formatting string for slider
level. Be sure to use the 'l' (long) modifier. This string
is processed using exec.library/RawDoFmt(), so refer to that
function for details. (V39)
GTSL_DispFunc ( LONG (*function)(struct Gadget *, WORD) ) - Function
to calculate level to be displayed. A number-of-colors slider
might want to set the slider up to think depth, and have a
(1 << n) function here. Your function must
take a pointer to gadget as the first parameter, the level
(a WORD) as the second, and return the result as a LONG. (V39)
GTSL_Justification (UBYTE) - Determines how the level display is to
be justified within its alotted space. Choose one of GTJ_LEFT,
GTJ_RIGHT, or GTJ_CENTER. (V39)
STRING_KIND:
GA_Disabled (BOOL) - Set to TRUE to disable gadget, FALSE otherwise
(V36)
GTST_String (STRPTR) - New contents of the string gadget,
or NULL to reset the gadget to the empty state. (V36)
TEXT_KIND:
GTTX_Text - New NULL terminated string to be displayed in the text
gadget. NULL means to clear the gadget. (V36)
GTTX_FrontPen (UBYTE) - The pen to use when rendering the text. (V39)
GTTX_BackPen (UBYTE) - The pen to use when rendering the background
of the text. (V39)
GTTX_Justification (UBYTE) - Determines how the text is rendered
within the gadget box. GTJ_LEFT will make the rendering be
flush with the left side of the gadget, GTJ_RIGHT will make it
flush with the right side, and GTJ_CENTER will center the text
within the gadget box. (V39)
This function may not be called inside of a GT_BeginRefresh() /
GT_EndRefresh() session. (As always, restrict yourself to simple
rendering functions).
GT_GetGadgetAttrs
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