summaryrefslogtreecommitdiffstats
path: root/win/ttkWinXPTheme.c
diff options
context:
space:
mode:
Diffstat (limited to 'win/ttkWinXPTheme.c')
-rw-r--r--win/ttkWinXPTheme.c360
1 files changed, 194 insertions, 166 deletions
diff --git a/win/ttkWinXPTheme.c b/win/ttkWinXPTheme.c
index c10e964..38e373b 100644
--- a/win/ttkWinXPTheme.c
+++ b/win/ttkWinXPTheme.c
@@ -1,5 +1,5 @@
/*
- * $Id: ttkWinXPTheme.c,v 1.11 2007/04/10 18:14:24 jenglish Exp $
+ * $Id: ttkWinXPTheme.c,v 1.12 2007/04/17 14:32:28 dkf Exp $
*
* Tk theme engine which uses the Windows XP "Visual Styles" API
* Adapted from Georgios Petasis' XP theme patch.
@@ -53,8 +53,7 @@ typedef HRESULT (STDAPICALLTYPE DrawThemeTextProc)(HTHEME hTheme, HDC hdc,
typedef BOOL (STDAPICALLTYPE IsThemeActiveProc)(VOID);
typedef BOOL (STDAPICALLTYPE IsAppThemedProc)(VOID);
-typedef struct
-{
+typedef struct {
OpenThemeDataProc *OpenThemeData;
CloseThemeDataProc *CloseThemeData;
GetThemePartSizeProc *GetThemePartSize;
@@ -67,8 +66,7 @@ typedef struct
HWND stubWindow;
} XPThemeProcs;
-typedef struct
-{
+typedef struct {
HINSTANCE hlibrary;
XPThemeProcs *procs;
} XPThemeData;
@@ -88,39 +86,39 @@ typedef struct
*/
static XPThemeProcs *
-LoadXPThemeProcs(HINSTANCE *phlib)
+LoadXPThemeProcs(
+ HINSTANCE *phlib)
{
/*
- * Load the library "uxtheme.dll", where the native widget
- * drawing routines are implemented. This will only succeed
- * if we are running at least on Windows XP.
+ * Load the library "uxtheme.dll", where the native widget drawing
+ * routines are implemented. This will only succeed if we are running at
+ * least on Windows XP.
*/
+
HINSTANCE handle;
+
*phlib = handle = LoadLibrary("uxtheme.dll");
- if (handle != 0)
- {
+ if (handle != 0) {
/*
* We have successfully loaded the library. Proceed in storing the
* addresses of the functions we want to use.
*/
- XPThemeProcs *procs = (XPThemeProcs*)ckalloc(sizeof(XPThemeProcs));
+ XPThemeProcs *procs = (XPThemeProcs *) ckalloc(sizeof(XPThemeProcs));
#define LOADPROC(name) \
(0 != (procs->name = (name ## Proc *)GetProcAddress(handle, #name) ))
- if ( LOADPROC(OpenThemeData)
- && LOADPROC(CloseThemeData)
- && LOADPROC(GetThemePartSize)
- && LOADPROC(DrawThemeBackground)
- && LOADPROC(GetThemeTextExtent)
- && LOADPROC(DrawThemeText)
- && LOADPROC(IsThemeActive)
- && LOADPROC(IsAppThemed)
- )
- {
+ if ( LOADPROC(OpenThemeData) &&
+ LOADPROC(CloseThemeData) &&
+ LOADPROC(GetThemePartSize) &&
+ LOADPROC(DrawThemeBackground) &&
+ LOADPROC(GetThemeTextExtent) &&
+ LOADPROC(DrawThemeText) &&
+ LOADPROC(IsThemeActive) &&
+ LOADPROC(IsAppThemed)) {
return procs;
}
#undef LOADPROC
- ckfree((char*)procs);
+ ckfree((char *) procs);
}
return 0;
}
@@ -132,7 +130,8 @@ LoadXPThemeProcs(HINSTANCE *phlib)
*/
static void
-XPThemeDeleteProc(void *clientData)
+XPThemeDeleteProc(
+ void *clientData)
{
XPThemeData *themeData = clientData;
FreeLibrary(themeData->hlibrary);
@@ -140,7 +139,9 @@ XPThemeDeleteProc(void *clientData)
}
static int
-XPThemeEnabled(Ttk_Theme theme, void *clientData)
+XPThemeEnabled(
+ Ttk_Theme theme,
+ void *clientData)
{
XPThemeData *themeData = clientData;
int active = themeData->procs->IsThemeActive();
@@ -153,7 +154,8 @@ XPThemeEnabled(Ttk_Theme theme, void *clientData)
* Helper routine. Returns a RECT data structure.
*/
static RECT
-BoxToRect(Ttk_Box b)
+BoxToRect(
+ Ttk_Box b)
{
RECT rc;
rc.top = b.y;
@@ -358,44 +360,38 @@ static Ttk_StateTable tabitem_statemap[] =
* BP_PUSHBUTTONS). Set the IGNORE_THEMESIZE flag to skip this call.
*/
-typedef struct /* XP element specifications */
-{
- const char *elementName; /* Tk theme engine element name */
+typedef struct { /* XP element specifications */
+ const char *elementName; /* Tk theme engine element name */
Ttk_ElementSpec *elementSpec;
/* Element spec (usually GenericElementSpec) */
- LPCWSTR className; /* Windows window class name */
- int partId; /* BP_PUSHBUTTON, BP_CHECKBUTTON, etc. */
+ LPCWSTR className; /* Windows window class name */
+ int partId; /* BP_PUSHBUTTON, BP_CHECKBUTTON, etc. */
Ttk_StateTable *statemap; /* Map Tk states to XP states */
Ttk_Padding padding; /* See NOTE-GetThemeMargins */
- int flags;
-# define IGNORE_THEMESIZE 0x1 /* See NOTE-GetThemePartSize */
-# define PAD_MARGINS 0x2 /* See NOTE-GetThemeMargins */
+ int flags;
+#define IGNORE_THEMESIZE 0x1 /* See NOTE-GetThemePartSize */
+#define PAD_MARGINS 0x2 /* See NOTE-GetThemeMargins */
} ElementInfo;
-typedef struct
-{
- /*
- * Static data, initialized when element is registered:
- */
+typedef struct {
+ /* Static data, initialized when element is registered: */
ElementInfo *info;
XPThemeProcs *procs; /* Pointer to theme procedure table */
-
- /*
- * Dynamic data, allocated by InitElementData:
- */
- HTHEME hTheme;
- HDC hDC;
- HWND hwnd;
-
+ /* Dynamic data, allocated by InitElementData: */
+ HTHEME hTheme;
+ HDC hDC;
+ HWND hwnd;
/* For TkWinDrawableReleaseDC: */
- Drawable drawable;
+ Drawable drawable;
TkWinDCState dcState;
} ElementData;
static ElementData *
-NewElementData(XPThemeProcs *procs, ElementInfo *info)
+NewElementData(
+ XPThemeProcs *procs,
+ ElementInfo *info)
{
- ElementData *elementData = (ElementData*)ckalloc(sizeof(ElementData));
+ ElementData *elementData = (ElementData *) ckalloc(sizeof(ElementData));
elementData->procs = procs;
elementData->info = info;
@@ -404,24 +400,29 @@ NewElementData(XPThemeProcs *procs, ElementInfo *info)
return elementData;
}
-static void DestroyElementData(void *elementData)
+static void
+DestroyElementData(
+ void *elementData)
{
ckfree(elementData);
}
/*
* InitElementData --
- * Looks up theme handle. If Drawable argument is non-NULL,
- * also initializes DC.
+ * Looks up theme handle. If Drawable argument is non-NULL, also
+ * initializes DC.
*
* Returns:
* 1 on success, 0 on error.
- * Caller must later call FreeElementData() so this element
- * can be reused.
+ * Caller must later call FreeElementData() so this element can be
+ * reused.
*/
static int
-InitElementData(ElementData *elementData, Tk_Window tkwin, Drawable d)
+InitElementData(
+ ElementData *elementData,
+ Tk_Window tkwin,
+ Drawable d)
{
Window win = Tk_WindowId(tkwin);
@@ -447,7 +448,8 @@ InitElementData(ElementData *elementData, Tk_Window tkwin, Drawable d)
}
static void
-FreeElementData(ElementData *elementData)
+FreeElementData(
+ ElementData *elementData)
{
elementData->procs->CloseThemeData(elementData->hTheme);
if (elementData->drawable != 0) {
@@ -465,25 +467,26 @@ FreeElementData(ElementData *elementData)
static void
GenericElementGeometry(
- void *clientData, void *elementRecord, Tk_Window tkwin,
- int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+ void *clientData,
+ void *elementRecord,
+ Tk_Window tkwin,
+ int *widthPtr,
+ int *heightPtr,
+ Ttk_Padding *paddingPtr)
{
ElementData *elementData = clientData;
HRESULT result;
SIZE size;
- if (!InitElementData(elementData, tkwin, 0))
+ if (!InitElementData(elementData, tkwin, 0)) {
return;
+ }
if (!(elementData->info->flags & IGNORE_THEMESIZE)) {
- result = elementData->procs->GetThemePartSize(
- elementData->hTheme,
- elementData->hDC,
- elementData->info->partId,
- Ttk_StateTableLookup(elementData->info->statemap, 0),
- NULL /*RECT *prc*/,
- TS_TRUE,
- &size);
+ result = elementData->procs->GetThemePartSize(elementData->hTheme,
+ elementData->hDC, elementData->info->partId,
+ Ttk_StateTableLookup(elementData->info->statemap, 0),
+ NULL /*RECT *prc*/, TS_TRUE, &size);
if (SUCCEEDED(result)) {
*widthPtr = size.cx;
@@ -498,8 +501,12 @@ GenericElementGeometry(
static void
GenericElementDraw(
- void *clientData, void *elementRecord, Tk_Window tkwin,
- Drawable d, Ttk_Box b, unsigned int state)
+ void *clientData,
+ void *elementRecord,
+ Tk_Window tkwin,
+ Drawable d,
+ Ttk_Box b,
+ unsigned int state)
{
ElementData *elementData = clientData;
RECT rc;
@@ -513,19 +520,15 @@ GenericElementDraw(
}
rc = BoxToRect(b);
- elementData->procs->DrawThemeBackground(
- elementData->hTheme,
- elementData->hDC,
- elementData->info->partId,
- Ttk_StateTableLookup(elementData->info->statemap, state),
- &rc,
- NULL/*pContentRect*/);
+ elementData->procs->DrawThemeBackground(elementData->hTheme,
+ elementData->hDC, elementData->info->partId,
+ Ttk_StateTableLookup(elementData->info->statemap, state),
+ &rc, NULL/*pContentRect*/);
FreeElementData(elementData);
}
-static Ttk_ElementSpec GenericElementSpec =
-{
+static Ttk_ElementSpec GenericElementSpec = {
TK_STYLE_VERSION_2,
sizeof(NullElement),
TtkNullElementOptions,
@@ -540,31 +543,35 @@ static Ttk_ElementSpec GenericElementSpec =
static void
ThumbElementDraw(
- void *clientData, void *elementRecord, Tk_Window tkwin,
- Drawable d, Ttk_Box b, unsigned int state)
+ void *clientData,
+ void *elementRecord,
+ Tk_Window tkwin,
+ Drawable d,
+ Ttk_Box b,
+ unsigned int state)
{
ElementData *elementData = clientData;
- unsigned stateId = Ttk_StateTableLookup(elementData->info->statemap, state);
+ unsigned stateId = Ttk_StateTableLookup(elementData->info->statemap,state);
RECT rc = BoxToRect(b);
/*
* Don't draw the thumb if we are disabled.
*/
- if (state & TTK_STATE_DISABLED)
+ if (state & TTK_STATE_DISABLED) {
return;
+ }
- if (!InitElementData(elementData, tkwin, d))
+ if (!InitElementData(elementData, tkwin, d)) {
return;
+ }
elementData->procs->DrawThemeBackground(elementData->hTheme,
- elementData->hDC, elementData->info->partId, stateId,
- &rc, NULL);
+ elementData->hDC, elementData->info->partId, stateId, &rc, NULL);
FreeElementData(elementData);
}
-static Ttk_ElementSpec ThumbElementSpec =
-{
+static Ttk_ElementSpec ThumbElementSpec = {
TK_STYLE_VERSION_2,
sizeof(NullElement),
TtkNullElementOptions,
@@ -578,15 +585,20 @@ static Ttk_ElementSpec ThumbElementSpec =
* so that indeterminate progress bars show 3 bars instead of 1.
*/
-static void PbarElementGeometry(
- void *clientData, void *elementRecord, Tk_Window tkwin,
- int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+static void
+PbarElementGeometry(
+ void *clientData,
+ void *elementRecord,
+ Tk_Window tkwin,
+ int *widthPtr,
+ int *heightPtr,
+ Ttk_Padding *paddingPtr)
{
ElementData *elementData = clientData;
int nBars = 3;
GenericElementGeometry(clientData, elementRecord, tkwin,
- widthPtr, heightPtr, paddingPtr);
+ widthPtr, heightPtr, paddingPtr);
if (elementData->info->partId == PP_CHUNK) {
*widthPtr *= nBars;
@@ -595,8 +607,7 @@ static void PbarElementGeometry(
}
}
-static Ttk_ElementSpec PbarElementSpec =
-{
+static Ttk_ElementSpec PbarElementSpec = {
TK_STYLE_VERSION_2,
sizeof(NullElement),
TtkNullElementOptions,
@@ -606,38 +617,46 @@ static Ttk_ElementSpec PbarElementSpec =
/*----------------------------------------------------------------------
* +++ Notebook tab element.
- * Same as generic element, with additional logic to select
- * proper iPartID for the leftmost tab.
+
+ * Same as generic element, with additional logic to select proper
+ * iPartID for the leftmost tab.
*
- * Notes: TABP_TABITEMRIGHTEDGE (or TABP_TOPTABITEMRIGHTEDGE,
- * which appears to be identical) should be used if the
- * tab is exactly at the right edge of the notebook, but
- * not if it's simply the rightmost tab. This information
- * is not available.
+ * Notes: TABP_TABITEMRIGHTEDGE (or TABP_TOPTABITEMRIGHTEDGE, which
+ * appears to be identical) should be used if the tab is exactly at the
+ * right edge of the notebook, but not if it's simply the rightmost tab.
+ * This information is not available.
*
- * The TIS_* and TILES_* definitions are identical, so
- * we can use the same statemap no matter what the partId.
+ * The TIS_* and TILES_* definitions are identical, so we can use the
+ * same statemap no matter what the partId.
*/
-static void TabElementDraw(
- void *clientData, void *elementRecord, Tk_Window tkwin,
- Drawable d, Ttk_Box b, unsigned int state)
+
+static void
+TabElementDraw(
+ void *clientData,
+ void *elementRecord,
+ Tk_Window tkwin,
+ Drawable d,
+ Ttk_Box b,
+ unsigned int state)
{
ElementData *elementData = clientData;
int partId = elementData->info->partId;
RECT rc = BoxToRect(b);
- if (!InitElementData(elementData, tkwin, d))
+ if (!InitElementData(elementData, tkwin, d)) {
return;
- if (state & TTK_STATE_USER1)
+ }
+ if (state & TTK_STATE_USER1) {
partId = TABP_TABITEMLEFTEDGE;
- elementData->procs->DrawThemeBackground(
- elementData->hTheme, elementData->hDC, partId,
- Ttk_StateTableLookup(elementData->info->statemap, state), &rc, NULL);
+ }
+ elementData->procs->DrawThemeBackground(elementData->hTheme,
+ elementData->hDC, partId,
+ Ttk_StateTableLookup(elementData->info->statemap, state), &rc,
+ NULL);
FreeElementData(elementData);
}
-static Ttk_ElementSpec TabElementSpec =
-{
+static Ttk_ElementSpec TabElementSpec = {
TK_STYLE_VERSION_2,
sizeof(NullElement),
TtkNullElementOptions,
@@ -648,36 +667,39 @@ static Ttk_ElementSpec TabElementSpec =
/*----------------------------------------------------------------------
* +++ Tree indicator element.
*
- * Generic element, but don't display at all if TTK_STATE_LEAF (=USER2) set
+ * Generic element, but don't display at all if TTK_STATE_LEAF (=USER2)
+ * set
*/
#define TTK_STATE_OPEN TTK_STATE_USER1
#define TTK_STATE_LEAF TTK_STATE_USER2
-static Ttk_StateTable header_statemap[] =
-{
+static Ttk_StateTable header_statemap[] = {
{ HIS_PRESSED, TTK_STATE_PRESSED, 0 },
{ HIS_HOT, TTK_STATE_ACTIVE, 0 },
{ HIS_NORMAL, 0,0 },
};
-static Ttk_StateTable tvpglyph_statemap[] =
-{
+static Ttk_StateTable tvpglyph_statemap[] = {
{ GLPS_OPENED, TTK_STATE_OPEN, 0 },
{ GLPS_CLOSED, 0,0 },
};
-static void TreeIndicatorElementDraw(
- void *clientData, void *elementRecord, Tk_Window tkwin,
- Drawable d, Ttk_Box b, unsigned int state)
+static void
+TreeIndicatorElementDraw(
+ void *clientData,
+ void *elementRecord,
+ Tk_Window tkwin,
+ Drawable d,
+ Ttk_Box b,
+ unsigned int state)
{
if (!(state & TTK_STATE_LEAF)) {
GenericElementDraw(clientData,elementRecord,tkwin,d,b,state);
}
}
-static Ttk_ElementSpec TreeIndicatorElementSpec =
-{
+static Ttk_ElementSpec TreeIndicatorElementSpec = {
TK_STYLE_VERSION_2,
sizeof(NullElement),
TtkNullElementOptions,
@@ -691,21 +713,18 @@ static Ttk_ElementSpec TreeIndicatorElementSpec =
*----------------------------------------------------------------------
* Text element (does not work yet).
*
- * According to "Using Windows XP Visual Styles", we need to select
- * a font into the DC before calling DrawThemeText().
- * There's just no easy way to get an HFONT out of a Tk_Font.
- * Maybe GetThemeFont() would work?
+ * According to "Using Windows XP Visual Styles", we need to select a font
+ * into the DC before calling DrawThemeText(). There's just no easy way to get
+ * an HFONT out of a Tk_Font. Maybe GetThemeFont() would work?
*
*/
-typedef struct
-{
+typedef struct {
Tcl_Obj *textObj;
Tcl_Obj *fontObj;
} TextElement;
-static Ttk_ElementOptionSpec TextElementOptions[] =
-{
+static Ttk_ElementOptionSpec TextElementOptions[] = {
{ "-text", TK_OPTION_STRING,
Tk_Offset(TextElement,textObj), "" },
{ "-font", TK_OPTION_FONT,
@@ -715,66 +734,70 @@ static Ttk_ElementOptionSpec TextElementOptions[] =
static void
TextElementGeometry(
- void *clientData, void *elementRecord, Tk_Window tkwin,
- int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+ void *clientData,
+ void *elementRecord,
+ Tk_Window tkwin,
+ int *widthPtr,
+ int *heightPtr,
+ Ttk_Padding *paddingPtr)
{
TextElement *element = elementRecord;
ElementData *elementData = clientData;
RECT rc = {0, 0};
HRESULT hr = S_OK;
- if (!InitElementData(elementData, tkwin, 0))
+ if (!InitElementData(elementData, tkwin, 0)) {
return;
+ }
- hr = elementData->procs->GetThemeTextExtent(
- elementData->hTheme,
- elementData->hDC,
- elementData->info->partId,
+ hr = elementData->procs->GetThemeTextExtent(elementData->hTheme,
+ elementData->hDC, elementData->info->partId,
Ttk_StateTableLookup(elementData->info->statemap, 0),
- Tcl_GetUnicode(element->textObj),
- -1,
- DT_LEFT,// | DT_BOTTOM | DT_NOPREFIX,
- NULL,
- &rc);
+ Tcl_GetUnicode(element->textObj), -1,
+ DT_LEFT,/*| DT_BOTTOM | DT_NOPREFIX,*/ NULL, &rc);
if (SUCCEEDED(hr)) {
*widthPtr = rc.right - rc.left;
*heightPtr = rc.bottom - rc.top;
}
- if (*widthPtr < 80) *widthPtr = 80;
- if (*heightPtr < 20) *heightPtr = 20;
+ if (*widthPtr < 80) {
+ *widthPtr = 80;
+ }
+ if (*heightPtr < 20) {
+ *heightPtr = 20;
+ }
FreeElementData(elementData);
}
static void
TextElementDraw(
- ClientData clientData, void *elementRecord, Tk_Window tkwin,
- Drawable d, Ttk_Box b, unsigned int state)
+ ClientData clientData,
+ void *elementRecord,
+ Tk_Window tkwin,
+ Drawable d,
+ Ttk_Box b,
+ unsigned int state)
{
TextElement *element = elementRecord;
ElementData *elementData = clientData;
RECT rc = BoxToRect(b);
HRESULT hr = S_OK;
- if (!InitElementData(elementData, tkwin, d))
+ if (!InitElementData(elementData, tkwin, d)) {
return;
+ }
- hr = elementData->procs->DrawThemeText(
- elementData->hTheme,
- elementData->hDC,
- elementData->info->partId,
+ hr = elementData->procs->DrawThemeText(elementData->hTheme,
+ elementData->hDC, elementData->info->partId,
Ttk_StateTableLookup(elementData->info->statemap, state),
- Tcl_GetUnicode(element->textObj),
- -1,
- DT_LEFT,// | DT_BOTTOM | DT_NOPREFIX,
- (state & TTK_STATE_DISABLED) ? DTT_GRAYED : 0,
- &rc);
+ Tcl_GetUnicode(element->textObj), -1,
+ DT_LEFT,/*| DT_BOTTOM | DT_NOPREFIX,*/
+ (state & TTK_STATE_DISABLED) ? DTT_GRAYED : 0, &rc);
FreeElementData(elementData);
}
-static Ttk_ElementSpec TextElementSpec =
-{
+static Ttk_ElementSpec TextElementSpec = {
TK_STYLE_VERSION_2,
sizeof(TextElement),
TextElementOptions,
@@ -926,7 +949,10 @@ static ElementInfo ElementInfoTable[] = {
* +++ Initialization routine:
*/
-MODULE_SCOPE int TtkXPTheme_Init(Tcl_Interp *interp, HWND hwnd)
+MODULE_SCOPE int
+TtkXPTheme_Init(
+ Tcl_Interp *interp,
+ HWND hwnd)
{
XPThemeData *themeData;
XPThemeProcs *procs;
@@ -935,8 +961,9 @@ MODULE_SCOPE int TtkXPTheme_Init(Tcl_Interp *interp, HWND hwnd)
ElementInfo *infoPtr;
procs = LoadXPThemeProcs(&hlibrary);
- if (!procs)
+ if (!procs) {
return TCL_ERROR;
+ }
procs->stubWindow = hwnd;
/*
@@ -945,8 +972,9 @@ MODULE_SCOPE int TtkXPTheme_Init(Tcl_Interp *interp, HWND hwnd)
parentPtr = Ttk_GetTheme(interp, "winnative");
themePtr = Ttk_CreateTheme(interp, "xpnative", parentPtr);
- if (!themePtr)
+ if (!themePtr) {
return TCL_ERROR;
+ }
/*
* Set theme data and cleanup proc
@@ -964,8 +992,8 @@ MODULE_SCOPE int TtkXPTheme_Init(Tcl_Interp *interp, HWND hwnd)
*/
for (infoPtr = ElementInfoTable; infoPtr->elementName != 0; ++infoPtr) {
ClientData clientData = NewElementData(procs, infoPtr);
- Ttk_RegisterElementSpec(
- themePtr, infoPtr->elementName, infoPtr->elementSpec, clientData);
+ Ttk_RegisterElementSpec(themePtr, infoPtr->elementName,
+ infoPtr->elementSpec, clientData);
Ttk_RegisterCleanup(interp, clientData, DestroyElementData);
}
@@ -977,9 +1005,9 @@ MODULE_SCOPE int TtkXPTheme_Init(Tcl_Interp *interp, HWND hwnd)
Ttk_RegisterLayout(themePtr, "TButton", ButtonLayout);
Ttk_RegisterLayout(themePtr, "TMenubutton", MenubuttonLayout);
Ttk_RegisterLayout(themePtr, "Vertical.TScrollbar",
- VerticalScrollbarLayout);
+ VerticalScrollbarLayout);
Ttk_RegisterLayout(themePtr, "Horizontal.TScrollbar",
- HorizontalScrollbarLayout);
+ HorizontalScrollbarLayout);
Ttk_RegisterLayout(themePtr, "Vertical.TScale", VerticalScaleLayout);
Ttk_RegisterLayout(themePtr, "Horizontal.TScale", HorizontalScaleLayout);