static void ArrowElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
ArrowElement *arrow = elementRecord;
int direction = *(int *)clientData;
int width = 14;
Tk_GetPixelsFromObj(NULL, tkwin, arrow->sizeObj, &width);
width -= Ttk_PaddingWidth(ArrowMargins);
TtkArrowSize(width/2, direction, widthPtr, heightPtr);
*widthPtr += Ttk_PaddingWidth(ArrowMargins);
*heightPtr += Ttk_PaddingWidth(ArrowMargins);
}
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 MenubuttonArrowElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
MenubuttonArrowElement *arrow = elementRecord;
int size = MENUBUTTON_ARROW_SIZE;
Tk_GetPixelsFromObj(NULL, tkwin, arrow->sizeObj, &size);
*widthPtr = *heightPtr = 2 * size + 1;
*widthPtr += Ttk_PaddingWidth(MenubuttonArrowPadding);
*heightPtr += Ttk_PaddingHeight(MenubuttonArrowPadding);
}
static void IndicatorElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
IndicatorSpec *spec = clientData;
IndicatorElement *indicator = elementRecord;
Ttk_Padding margins;
Ttk_GetPaddingFromObj(NULL, tkwin, indicator->marginObj, &margins);
*widthPtr = spec->width + Ttk_PaddingWidth(margins);
*heightPtr = spec->height + Ttk_PaddingHeight(margins);
}
static void SpinButtonElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
SInt32 s;
ChkErr(GetThemeMetric, kThemeMetricLittleArrowsWidth, &s);
*widthPtr = s + Ttk_PaddingWidth(SpinbuttonMargins);
ChkErr(GetThemeMetric, kThemeMetricLittleArrowsHeight, &s);
*heightPtr = s + Ttk_PaddingHeight(SpinbuttonMargins);
}
static void MenuIndicatorElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
MenuIndicatorElement *mi = elementRecord;
Ttk_Padding margins;
Tk_GetPixelsFromObj(NULL, tkwin, mi->widthObj, widthPtr);
Tk_GetPixelsFromObj(NULL, tkwin, mi->heightObj, heightPtr);
Ttk_GetPaddingFromObj(NULL,tkwin,mi->marginObj, &margins);
*widthPtr += Ttk_PaddingWidth(margins);
*heightPtr += Ttk_PaddingHeight(margins);
}
/*
* Radiobutton indicators: 3-D diamond.
*/
static void DiamondIndicatorElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
IndicatorElement *indicator = elementRecord;
Ttk_Padding margins;
int diameter = 0;
Ttk_GetPaddingFromObj(NULL, tkwin, indicator->marginObj, &margins);
Tk_GetPixelsFromObj(NULL, tkwin, indicator->diameterObj, &diameter);
*widthPtr = diameter + 3 + Ttk_PaddingWidth(margins);
*heightPtr = diameter + 3 + Ttk_PaddingHeight(margins);
}
static void FrameControlElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
FrameControlElementData *p = clientData;
int cx = GETMETRIC(p->cxId);
int cy = GETMETRIC(p->cyId);
if (p->cxId & _HALFMETRIC) cx /= 2;
if (p->cyId & _HALFMETRIC) cy /= 2;
*widthPtr = cx + Ttk_PaddingWidth(p->margins);
*heightPtr = cy + Ttk_PaddingHeight(p->margins);
}
static void IndicatorElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
IndicatorElement *indicator = elementRecord;
Ttk_Padding margins;
int size = 10;
Ttk_GetPaddingFromObj(NULL, tkwin, indicator->marginObj, &margins);
Tk_GetPixelsFromObj(NULL, tkwin, indicator->sizeObj, &size);
*widthPtr = size + Ttk_PaddingWidth(margins);
*heightPtr = size + Ttk_PaddingHeight(margins);
}
static void MenuIndicatorElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
MenuIndicatorElement *indicator = elementRecord;
Ttk_Padding margins;
int size = MENUBUTTON_ARROW_SIZE;
Tk_GetPixelsFromObj(NULL, tkwin, indicator->sizeObj, &size);
Ttk_GetPaddingFromObj(NULL, tkwin, indicator->paddingObj, &margins);
TtkArrowSize(size, ARROW_DOWN, widthPtr, heightPtr);
*widthPtr += Ttk_PaddingWidth(margins);
*heightPtr += Ttk_PaddingHeight(margins);
}
static void ComboboxElementDraw(
void *clientData, void *elementRecord, Tk_Window tkwin,
Drawable d, Ttk_Box b, Ttk_State state)
{
CGRect bounds = BoxToRect(d, Ttk_PadBox(b, ComboboxMargins));
const HIThemeButtonDrawInfo info = {
.version = 0,
.state = Ttk_StateTableLookup(ThemeStateTable, state),
.kind = kThemeComboBox,
.value = Ttk_StateTableLookup(ButtonValueTable, state),
.adornment = Ttk_StateTableLookup(ButtonAdornmentTable, state),
};
BEGIN_DRAWING(d)
ChkErr(HIThemeDrawButton, &bounds, &info, dc.context, HIOrientation, NULL);
END_DRAWING
}
static Ttk_ElementSpec ComboboxElementSpec = {
TK_STYLE_VERSION_2,
sizeof(NullElement),
TtkNullElementOptions,
ComboboxElementSize,
ComboboxElementDraw
};
/*----------------------------------------------------------------------
* +++ Spinbuttons.
*
* From Apple HIG, part III, section "Controls", "The Stepper Control":
* there should be 2 pixels of space between the stepper control
* (AKA IncDecButton, AKA "little arrows") and the text field it modifies.
*/
static Ttk_Padding SpinbuttonMargins = {2,0,2,0};
static void SpinButtonElementSize(
void *clientData, void *elementRecord, Tk_Window tkwin,
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
{
SInt32 s;
ChkErr(GetThemeMetric, kThemeMetricLittleArrowsWidth, &s);
*widthPtr = s + Ttk_PaddingWidth(SpinbuttonMargins);
ChkErr(GetThemeMetric, kThemeMetricLittleArrowsHeight, &s);
*heightPtr = s + Ttk_PaddingHeight(SpinbuttonMargins);
}
static void LabelframeDoLayout(void *recordPtr)
{
Labelframe *lframePtr = recordPtr;
WidgetCore *corePtr = &lframePtr->core;
int lw, lh; /* Label width and height */
LabelframeStyle style;
Ttk_Box borderParcel = Ttk_WinBox(lframePtr->core.tkwin);
Ttk_Box labelParcel;
/*
* Compute label parcel:
*/
LabelframeStyleOptions(lframePtr, &style);
LabelframeLabelSize(lframePtr, &lw, &lh);
lw += Ttk_PaddingWidth(style.labelMargins);
lh += Ttk_PaddingHeight(style.labelMargins);
labelParcel = Ttk_PadBox(
Ttk_PositionBox(&borderParcel, lw, lh, style.labelAnchor),
style.labelMargins);
if (!style.labelOutside) {
/* Move border edge so it's over label:
*/
switch (LabelAnchorSide(style.labelAnchor)) {
case TTK_SIDE_LEFT: borderParcel.x -= lw / 2;
case TTK_SIDE_RIGHT: borderParcel.width += lw/2; break;
case TTK_SIDE_TOP: borderParcel.y -= lh / 2;
case TTK_SIDE_BOTTOM: borderParcel.height += lh / 2; break;
}
}
/*
* Place border and label:
*/
Ttk_PlaceLayout(corePtr->layout, corePtr->state, borderParcel);
if (lframePtr->label.labelLayout) {
Ttk_PlaceLayout(
lframePtr->label.labelLayout, corePtr->state, labelParcel);
}
/* labelWidget placed in LabelframePlaceSlaves GM hook */
lframePtr->label.labelParcel = labelParcel;
}
/*
* 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;
}
