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 ComboboxElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
*widthPtr = 0;
*heightPtr = 0;
*paddingPtr = Ttk_AddPadding(ComboboxMargins, ComboboxPadding);
}
static void EntryElementDraw(
void *clientData, void *elementRecord, Tk_Window tkwin,
Drawable d, Ttk_Box b, Ttk_State state)
{
EntryElement *e = elementRecord;
Tk_3DBorder backgroundPtr = Tk_Get3DBorderFromObj(tkwin,e->backgroundObj);
Ttk_Box inner = Ttk_PadBox(b, Ttk_UniformPadding(3));
CGRect bounds = BoxToRect(d, inner);
const HIThemeFrameDrawInfo info = {
.version = 0,
.kind = kHIThemeFrameTextFieldSquare,
.state = Ttk_StateTableLookup(ThemeStateTable, state),
.isFocused = state & TTK_STATE_FOCUS,
};
/*
* Erase w/background color:
*/
XFillRectangle(Tk_Display(tkwin), d,
Tk_3DBorderGC(tkwin, backgroundPtr, TK_3D_FLAT_GC),
inner.x,inner.y, inner.width, inner.height);
BEGIN_DRAWING(d)
ChkErr(HIThemeDrawFrame, &bounds, &info, dc.context, HIOrientation);
/*if (state & TTK_STATE_FOCUS) {
ChkErr(DrawThemeFocusRect, &bounds, 1);
}*/
END_DRAWING
}
static Ttk_ElementSpec EntryElementSpec = {
TK_STYLE_VERSION_2,
sizeof(EntryElement),
EntryElementOptions,
EntryElementSize,
EntryElementDraw
};
/*----------------------------------------------------------------------
* +++ Combobox:
*
* NOTES:
* kThemeMetricComboBoxLargeDisclosureWidth -> 17
* Padding and margins guesstimated by trial-and-error.
*/
static Ttk_Padding ComboboxPadding = { 2, 3, 17, 1 };
static Ttk_Padding ComboboxMargins = { 3, 3, 4, 4 };
static void ComboboxElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
*widthPtr = 0;
*heightPtr = 0;
*paddingPtr = Ttk_AddPadding(ComboboxMargins, ComboboxPadding);
}
/*
* FrameMargins --
* Compute internal margins for a frame widget.
* This includes the -borderWidth, plus any additional -padding.
*/
static Ttk_Padding FrameMargins(Frame *framePtr)
{
Ttk_Padding margins = Ttk_UniformPadding(0);
/* Check -padding:
*/
if (framePtr->frame.paddingObj) {
Ttk_GetPaddingFromObj(NULL,
framePtr->core.tkwin, framePtr->frame.paddingObj, &margins);
}
/* Add padding for border:
*/
if (framePtr->frame.borderWidthObj) {
int border = 0;
Tk_GetPixelsFromObj(NULL,
framePtr->core.tkwin, framePtr->frame.borderWidthObj, &border);
margins = Ttk_AddPadding(margins, Ttk_UniformPadding((short)border));
}
return margins;
}
/*
* LabelframeSize --
* Like the frame, this doesn't request a size of its own
* but it does have internal padding and a minimum size.
*/
static int LabelframeSize(void *recordPtr, int *widthPtr, int *heightPtr)
{
Labelframe *lframePtr = recordPtr;
WidgetCore *corePtr = &lframePtr->core;
Ttk_Padding margins;
LabelframeStyle style;
int labelWidth, labelHeight;
LabelframeStyleOptions(lframePtr, &style);
/* Compute base margins (See also: FrameMargins)
*/
margins = Ttk_AddPadding(
style.padding, Ttk_UniformPadding((short)style.borderWidth));
/* Adjust margins based on label size and position:
*/
LabelframeLabelSize(lframePtr, &labelWidth, &labelHeight);
labelWidth += Ttk_PaddingWidth(style.labelMargins);
labelHeight += Ttk_PaddingHeight(style.labelMargins);
switch (LabelAnchorSide(style.labelAnchor)) {
case TTK_SIDE_LEFT: margins.left += labelWidth; break;
case TTK_SIDE_RIGHT: margins.right += labelWidth; break;
case TTK_SIDE_TOP: margins.top += labelHeight; break;
case TTK_SIDE_BOTTOM: margins.bottom += labelHeight; break;
}
Ttk_SetMargins(corePtr->tkwin,margins);
/* Request minimum size based on border width and label size:
*/
Tk_SetMinimumRequestSize(corePtr->tkwin,
labelWidth + 2*style.borderWidth,
labelHeight + 2*style.borderWidth);
return 0;
}
