static void ButtonElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
ThemeButtonParams *params = clientData;
const HIThemeButtonDrawInfo info = computeButtonDrawInfo(params, 0);
static const CGRect scratchBounds = {{0, 0}, {100, 100}};
CGRect contentBounds;
ButtonElementSizeNoPadding(
clientData, elementRecord, tkwin,
widthPtr, heightPtr, paddingPtr);
/*
* To compute internal padding, query the appearance manager
* for the content bounds of a dummy rectangle, then use
* the difference as the padding.
*/
ChkErr(HIThemeGetButtonContentBounds,
&scratchBounds, &info, &contentBounds);
paddingPtr->left = CGRectGetMinX(contentBounds);
paddingPtr->top = CGRectGetMinY(contentBounds);
paddingPtr->right = CGRectGetMaxX(scratchBounds) - CGRectGetMaxX(contentBounds) + 1;
paddingPtr->bottom = CGRectGetMaxY(scratchBounds) - CGRectGetMaxY(contentBounds);
/*
* Now add a little extra padding to account for drop shadows.
* @@@ SHOULD: call GetThemeButtonBackgroundBounds() instead.
*/
*paddingPtr = Ttk_AddPadding(*paddingPtr, ButtonMargins);
*widthPtr += Ttk_PaddingWidth(ButtonMargins);
*heightPtr += Ttk_PaddingHeight(ButtonMargins);
}
static void ButtonElementDraw(
void *clientData, void *elementRecord, Tk_Window tkwin,
Drawable d, Ttk_Box b, Ttk_State state)
{
ThemeButtonParams *params = clientData;
CGRect bounds = BoxToRect(d, Ttk_PadBox(b, ButtonMargins));
const HIThemeButtonDrawInfo info = computeButtonDrawInfo(params, state);
BEGIN_DRAWING(d)
ChkErr(HIThemeDrawButton, &bounds, &info, dc.context, HIOrientation, NULL);
END_DRAWING
}
static void ButtonElementDraw(
void *clientData, void *elementRecord, Tk_Window tkwin,
Drawable d, Ttk_Box b, Ttk_State state)
{
ThemeButtonParms *parms = clientData;
ThemeButtonDrawInfo info = computeButtonDrawInfo(parms, state);
Rect bounds = BoxToRect(d, Ttk_PadBox(b, ButtonMargins));
BEGIN_DRAWING(d)
ChkErr(DrawThemeButton, &bounds, parms->kind, &info, NULL, NULL, NULL, 0);
END_DRAWING
}