/* * Tk theme engine which uses the Windows XP "Visual Styles" API * Adapted from Georgios Petasis' XP theme patch. * * Copyright © 2003 Georgios Petasis, petasis@iit.demokritos.gr. * Copyright © 2003 Joe English * Copyright © 2003 Pat Thoyts * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * See also: * * */ #include "tkWinInt.h" #include #include #include #include "ttk/ttkThemeInt.h" typedef HTHEME (STDAPICALLTYPE OpenThemeDataProc)(HWND hwnd, LPCWSTR pszClassList); typedef HRESULT (STDAPICALLTYPE CloseThemeDataProc)(HTHEME hTheme); typedef HRESULT (STDAPICALLTYPE DrawThemeBackgroundProc)(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, OPTIONAL const RECT *pClipRect); typedef HRESULT (STDAPICALLTYPE DrawThemeEdgeProc)(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pDestRect, unsigned int uEdge, unsigned int uFlags, OPTIONAL RECT *pContentRect); typedef HRESULT (STDAPICALLTYPE GetThemePartSizeProc)(HTHEME,HDC, int iPartId, int iStateId, RECT *prc, enum THEMESIZE eSize, SIZE *psz); typedef int (STDAPICALLTYPE GetThemeSysSizeProc)(HTHEME,int); /* GetThemeTextExtent and DrawThemeText only used with BROKEN_TEXT_ELEMENT */ typedef HRESULT (STDAPICALLTYPE GetThemeTextExtentProc)(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, LPCWSTR pszText, int iCharCount, DWORD dwTextFlags, const RECT *pBoundingRect, RECT *pExtent); typedef HRESULT (STDAPICALLTYPE DrawThemeTextProc)(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, LPCWSTR pszText, int iCharCount, DWORD dwTextFlags, DWORD dwTextFlags2, const RECT *pRect); typedef BOOL (STDAPICALLTYPE IsThemeActiveProc)(void); typedef BOOL (STDAPICALLTYPE IsAppThemedProc)(void); typedef struct { OpenThemeDataProc *OpenThemeData; CloseThemeDataProc *CloseThemeData; GetThemePartSizeProc *GetThemePartSize; GetThemeSysSizeProc *GetThemeSysSize; DrawThemeBackgroundProc *DrawThemeBackground; DrawThemeEdgeProc *DrawThemeEdge; DrawThemeTextProc *DrawThemeText; GetThemeTextExtentProc *GetThemeTextExtent; IsThemeActiveProc *IsThemeActive; IsAppThemedProc *IsAppThemed; HWND stubWindow; } XPThemeProcs; typedef struct { HINSTANCE hlibrary; XPThemeProcs *procs; } XPThemeData; /* *---------------------------------------------------------------------- * * LoadXPThemeProcs -- * Initialize XP theming support. * * XP theme support is included in UXTHEME.DLL * We dynamically load this DLL at runtime instead of linking * to it at build-time. * * Returns: * A pointer to an XPThemeProcs table if successful, NULL otherwise. */ static XPThemeProcs * 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. */ HINSTANCE handle; *phlib = handle = LoadLibraryW(L"uxtheme.dll"); 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)); #define LOADPROC(name) \ (0 != (procs->name = (name ## Proc *)(void *)GetProcAddress(handle, #name) )) if ( LOADPROC(OpenThemeData) && LOADPROC(CloseThemeData) && LOADPROC(GetThemePartSize) && LOADPROC(GetThemeSysSize) && LOADPROC(DrawThemeBackground) && LOADPROC(DrawThemeEdge) && LOADPROC(GetThemeTextExtent) && LOADPROC(DrawThemeText) && LOADPROC(IsThemeActive) && LOADPROC(IsAppThemed) ) { return procs; } #undef LOADPROC ckfree(procs); } return 0; } /* * XPThemeDeleteProc -- * * Release any theme allocated resources. */ static void XPThemeDeleteProc(void *clientData) { XPThemeData *themeData = (XPThemeData *)clientData; FreeLibrary(themeData->hlibrary); ckfree(clientData); } static int XPThemeEnabled( TCL_UNUSED(Ttk_Theme), void *clientData) { XPThemeData *themeData = (XPThemeData *)clientData; int active = themeData->procs->IsThemeActive(); int themed = themeData->procs->IsAppThemed(); return (active && themed); } /* * BoxToRect -- * Helper routine. Returns a RECT data structure. */ static RECT BoxToRect(Ttk_Box b) { RECT rc; rc.top = b.y; rc.left = b.x; rc.bottom = b.y + b.height; rc.right = b.x + b.width; return rc; } /* * Map Tk state bitmaps to XP style enumerated values. */ static const Ttk_StateTable null_statemap[] = { {0,0,0} }; /* * Pushbuttons (Tk: "Button") */ static const Ttk_StateTable pushbutton_statemap[] = { { PBS_DISABLED, TTK_STATE_DISABLED, 0 }, { PBS_PRESSED, TTK_STATE_PRESSED, 0 }, { PBS_HOT, TTK_STATE_ACTIVE, 0 }, { PBS_DEFAULTED, TTK_STATE_ALTERNATE, 0 }, { PBS_NORMAL, 0, 0 } }; /* * Checkboxes (Tk: "Checkbutton") */ static const Ttk_StateTable checkbox_statemap[] = { {CBS_MIXEDDISABLED, TTK_STATE_ALTERNATE|TTK_STATE_DISABLED, 0}, {CBS_MIXEDPRESSED, TTK_STATE_ALTERNATE|TTK_STATE_PRESSED, 0}, {CBS_MIXEDHOT, TTK_STATE_ALTERNATE|TTK_STATE_ACTIVE, 0}, {CBS_MIXEDNORMAL, TTK_STATE_ALTERNATE, 0}, {CBS_CHECKEDDISABLED, TTK_STATE_SELECTED|TTK_STATE_DISABLED, 0}, {CBS_CHECKEDPRESSED, TTK_STATE_SELECTED|TTK_STATE_PRESSED, 0}, {CBS_CHECKEDHOT, TTK_STATE_SELECTED|TTK_STATE_ACTIVE, 0}, {CBS_CHECKEDNORMAL, TTK_STATE_SELECTED, 0}, {CBS_UNCHECKEDDISABLED, TTK_STATE_DISABLED, 0}, {CBS_UNCHECKEDPRESSED, TTK_STATE_PRESSED, 0}, {CBS_UNCHECKEDHOT, TTK_STATE_ACTIVE, 0}, {CBS_UNCHECKEDNORMAL, 0,0 } }; /* * Radiobuttons: */ static const Ttk_StateTable radiobutton_statemap[] = { {RBS_UNCHECKEDDISABLED, TTK_STATE_ALTERNATE|TTK_STATE_DISABLED, 0}, {RBS_UNCHECKEDNORMAL, TTK_STATE_ALTERNATE, 0}, {RBS_CHECKEDDISABLED, TTK_STATE_SELECTED|TTK_STATE_DISABLED, 0}, {RBS_CHECKEDPRESSED, TTK_STATE_SELECTED|TTK_STATE_PRESSED, 0}, {RBS_CHECKEDHOT, TTK_STATE_SELECTED|TTK_STATE_ACTIVE, 0}, {RBS_CHECKEDNORMAL, TTK_STATE_SELECTED, 0}, {RBS_UNCHECKEDDISABLED, TTK_STATE_DISABLED, 0}, {RBS_UNCHECKEDPRESSED, TTK_STATE_PRESSED, 0}, {RBS_UNCHECKEDHOT, TTK_STATE_ACTIVE, 0}, {RBS_UNCHECKEDNORMAL, 0,0 } }; /* * Groupboxes (tk: "frame") */ static const Ttk_StateTable groupbox_statemap[] = { {GBS_DISABLED, TTK_STATE_DISABLED, 0}, {GBS_NORMAL, 0,0 } }; /* * Edit fields (tk: "entry") */ static const Ttk_StateTable edittext_statemap[] = { { ETS_DISABLED, TTK_STATE_DISABLED, 0 }, { ETS_READONLY, TTK_STATE_READONLY, 0 }, { ETS_FOCUSED, TTK_STATE_FOCUS, 0 }, { ETS_HOT, TTK_STATE_ACTIVE, 0 }, { ETS_NORMAL, 0, 0 } /* NOT USED: ETS_ASSIST, ETS_SELECTED */ }; /* * Combobox text field statemap: * Same as edittext_statemap, but doesn't use ETS_READONLY * (fixes: #1032409) */ static const Ttk_StateTable combotext_statemap[] = { { ETS_DISABLED, TTK_STATE_DISABLED, 0 }, { ETS_FOCUSED, TTK_STATE_FOCUS, 0 }, { ETS_HOT, TTK_STATE_ACTIVE, 0 }, { ETS_NORMAL, 0, 0 } }; /* * Combobox button: (CBP_DROPDOWNBUTTON) */ static const Ttk_StateTable combobox_statemap[] = { { CBXS_DISABLED, TTK_STATE_DISABLED, 0 }, { CBXS_PRESSED, TTK_STATE_PRESSED, 0 }, { CBXS_HOT, TTK_STATE_ACTIVE, 0 }, { CBXS_HOT, TTK_STATE_HOVER, 0 }, { CBXS_NORMAL, 0, 0 } }; /* * Toolbar buttons (TP_BUTTON): */ static const Ttk_StateTable toolbutton_statemap[] = { { TS_DISABLED, TTK_STATE_DISABLED, 0 }, { TS_PRESSED, TTK_STATE_PRESSED, 0 }, { TS_HOTCHECKED, TTK_STATE_SELECTED|TTK_STATE_ACTIVE, 0 }, { TS_CHECKED, TTK_STATE_SELECTED, 0 }, { TS_HOT, TTK_STATE_ACTIVE, 0 }, { TS_NORMAL, 0,0 } }; /* * Scrollbars (Tk: "Scrollbar.thumb") */ static const Ttk_StateTable scrollbar_statemap[] = { { SCRBS_DISABLED, TTK_STATE_DISABLED, 0 }, { SCRBS_PRESSED, TTK_STATE_PRESSED, 0 }, { SCRBS_HOT, TTK_STATE_ACTIVE, 0 }, { SCRBS_NORMAL, 0, 0 } }; static const Ttk_StateTable uparrow_statemap[] = { { ABS_UPDISABLED, TTK_STATE_DISABLED, 0 }, { ABS_UPPRESSED, TTK_STATE_PRESSED, 0 }, { ABS_UPHOT, TTK_STATE_ACTIVE, 0 }, { ABS_UPNORMAL, 0, 0 } }; static const Ttk_StateTable downarrow_statemap[] = { { ABS_DOWNDISABLED, TTK_STATE_DISABLED, 0 }, { ABS_DOWNPRESSED, TTK_STATE_PRESSED, 0 }, { ABS_DOWNHOT, TTK_STATE_ACTIVE, 0 }, { ABS_DOWNNORMAL, 0, 0 } }; static const Ttk_StateTable leftarrow_statemap[] = { { ABS_LEFTDISABLED, TTK_STATE_DISABLED, 0 }, { ABS_LEFTPRESSED, TTK_STATE_PRESSED, 0 }, { ABS_LEFTHOT, TTK_STATE_ACTIVE, 0 }, { ABS_LEFTNORMAL, 0, 0 } }; static const Ttk_StateTable rightarrow_statemap[] = { { ABS_RIGHTDISABLED,TTK_STATE_DISABLED, 0 }, { ABS_RIGHTPRESSED, TTK_STATE_PRESSED, 0 }, { ABS_RIGHTHOT, TTK_STATE_ACTIVE, 0 }, { ABS_RIGHTNORMAL, 0, 0 } }; static const Ttk_StateTable spinbutton_statemap[] = { { DNS_DISABLED, TTK_STATE_DISABLED, 0 }, { DNS_PRESSED, TTK_STATE_PRESSED, 0 }, { DNS_HOT, TTK_STATE_ACTIVE, 0 }, { DNS_NORMAL, 0, 0 }, }; /* * Trackbar thumb: (Tk: "scale slider") */ static const Ttk_StateTable scale_statemap[] = { { TUS_DISABLED, TTK_STATE_DISABLED, 0 }, { TUS_PRESSED, TTK_STATE_PRESSED, 0 }, { TUS_FOCUSED, TTK_STATE_FOCUS, 0 }, { TUS_HOT, TTK_STATE_ACTIVE, 0 }, { TUS_NORMAL, 0, 0 } }; static const Ttk_StateTable tabitem_statemap[] = { { TIS_DISABLED, TTK_STATE_DISABLED, 0 }, { TIS_SELECTED, TTK_STATE_SELECTED, 0 }, { TIS_HOT, TTK_STATE_ACTIVE, 0 }, { TIS_FOCUSED, TTK_STATE_FOCUS, 0 }, { TIS_NORMAL, 0, 0 }, }; /* *---------------------------------------------------------------------- * +++ Element data: * * The following structure is passed as the 'clientData' pointer * to most elements in this theme. It contains data relevant * to a single XP Theme "part". * * <>: * In theory, we should be call GetThemeMargins(...TMT_CONTENTRECT...) * to calculate the internal padding. In practice, this routine * only seems to work properly for BP_PUSHBUTTON. So we hardcode * the required padding at element registration time instead. * * The PAD_MARGINS flag bit determines whether the padding * should be added on the inside (0) or outside (1) of the element. * * <>: * This gives bogus metrics for some parts (in particular, * BP_PUSHBUTTONS). Set the IGNORE_THEMESIZE flag to skip this call. */ typedef struct /* XP element specifications */ { const char *elementName; /* Tk theme engine element name */ const Ttk_ElementSpec *elementSpec; /* Element spec (usually GenericElementSpec) */ LPCWSTR className; /* Windows window class name */ int partId; /* BP_PUSHBUTTON, BP_CHECKBUTTON, etc. */ const Ttk_StateTable *statemap; /* Map Tk states to XP states */ Ttk_Padding padding; /* See NOTE-GetThemeMargins */ unsigned flags; # define IGNORE_THEMESIZE 0x80000000U /* See NOTE-GetThemePartSize */ # define PAD_MARGINS 0x40000000U /* See NOTE-GetThemeMargins */ # define HEAP_ELEMENT 0x20000000U /* ElementInfo is on heap */ # define HALF_HEIGHT 0x10000000U /* Used by GenericSizedElements */ # define HALF_WIDTH 0x08000000U /* Used by GenericSizedElements */ } ElementInfo; typedef struct { /* * Static data, initialized when element is registered: */ const ElementInfo *info; XPThemeProcs *procs; /* Pointer to theme procedure table */ /* * Dynamic data, allocated by InitElementData: */ HTHEME hTheme; HDC hDC; HWND hwnd; /* For TkWinDrawableReleaseDC: */ Drawable drawable; TkWinDCState dcState; } ElementData; static ElementData * NewElementData(XPThemeProcs *procs, const ElementInfo *info) { ElementData *elementData = (ElementData *)ckalloc(sizeof(ElementData)); elementData->procs = procs; elementData->info = info; elementData->hTheme = elementData->hDC = 0; return elementData; } /* * Destroy elements. If the element was created by the element factory * then the info member is dynamically allocated. Otherwise it was * static data from the C object and only the ElementData needs freeing. */ static void DestroyElementData(void *clientData) { ElementData *elementData = (ElementData *)clientData; if (elementData->info->flags & HEAP_ELEMENT) { ckfree((void *)elementData->info->statemap); ckfree((void *)elementData->info->className); ckfree((void *)elementData->info->elementName); ckfree((void *)elementData->info); } ckfree(clientData); } /* * InitElementData -- * 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. */ static int InitElementData(ElementData *elementData, Tk_Window tkwin, Drawable d) { Window win = Tk_WindowId(tkwin); if (win) { elementData->hwnd = Tk_GetHWND(win); } else { elementData->hwnd = elementData->procs->stubWindow; } elementData->hTheme = elementData->procs->OpenThemeData( elementData->hwnd, elementData->info->className); if (!elementData->hTheme) return 0; elementData->drawable = d; if (d != 0) { elementData->hDC = TkWinGetDrawableDC(Tk_Display(tkwin), d, &elementData->dcState); } return 1; } static void FreeElementData(ElementData *elementData) { elementData->procs->CloseThemeData(elementData->hTheme); if (elementData->drawable != 0) { TkWinReleaseDrawableDC( elementData->drawable, elementData->hDC, &elementData->dcState); } } /*---------------------------------------------------------------------- * +++ Generic element implementation. * * Used for elements which are handled entirely by the XP Theme API, * such as radiobutton and checkbutton indicators, scrollbar arrows, etc. */ static void GenericElementSize( void *clientData, TCL_UNUSED(void *), /* elementRecord */ Tk_Window tkwin, int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) { ElementData *elementData = (ElementData *)clientData; HRESULT result; SIZE size; if (!InitElementData(elementData, tkwin, 0)) return; if (!(elementData->info->flags & IGNORE_THEMESIZE)) { result = elementData->procs->GetThemePartSize( elementData->hTheme, NULL, elementData->info->partId, Ttk_StateTableLookup(elementData->info->statemap, 0), NULL /*RECT *prc*/, TS_TRUE, &size); if (SUCCEEDED(result)) { *widthPtr = size.cx; *heightPtr = size.cy; } } /* See NOTE-GetThemeMargins */ *paddingPtr = elementData->info->padding; if (elementData->info->flags & PAD_MARGINS) { *widthPtr += Ttk_PaddingWidth(elementData->info->padding); *heightPtr += Ttk_PaddingHeight(elementData->info->padding); } } static void GenericElementDraw( void *clientData, TCL_UNUSED(void *), /* elementRecord */ Tk_Window tkwin, Drawable d, Ttk_Box b, Ttk_State state) { ElementData *elementData = (ElementData *)clientData; RECT rc; if (!InitElementData(elementData, tkwin, d)) { return; } if (elementData->info->flags & PAD_MARGINS) { b = Ttk_PadBox(b, elementData->info->padding); } rc = BoxToRect(b); elementData->procs->DrawThemeBackground( elementData->hTheme, elementData->hDC, elementData->info->partId, Ttk_StateTableLookup(elementData->info->statemap, state), &rc, NULL/*pContentRect*/); FreeElementData(elementData); } static const Ttk_ElementSpec GenericElementSpec = { TK_STYLE_VERSION_2, sizeof(NullElement), TtkNullElementOptions, GenericElementSize, GenericElementDraw }; /*---------------------------------------------------------------------- * +++ Sized element implementation. * * Used for elements which are handled entirely by the XP Theme API, * but that require a fixed size adjustment. * Note that GetThemeSysSize calls through to GetSystemMetrics */ static void GenericSizedElementSize( void *clientData, void *elementRecord, Tk_Window tkwin, int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) { ElementData *elementData = (ElementData *)clientData; if (!InitElementData(elementData, tkwin, 0)) return; GenericElementSize(clientData, elementRecord, tkwin, widthPtr, heightPtr, paddingPtr); *widthPtr = elementData->procs->GetThemeSysSize(NULL, (elementData->info->flags >> 8) & 0xff); *heightPtr = elementData->procs->GetThemeSysSize(NULL, elementData->info->flags & 0xff); if (elementData->info->flags & HALF_HEIGHT) *heightPtr /= 2; if (elementData->info->flags & HALF_WIDTH) *widthPtr /= 2; } static const Ttk_ElementSpec GenericSizedElementSpec = { TK_STYLE_VERSION_2, sizeof(NullElement), TtkNullElementOptions, GenericSizedElementSize, GenericElementDraw }; /*---------------------------------------------------------------------- * +++ Spinbox arrow element. * These are half-height scrollbar buttons. */ static void SpinboxArrowElementSize( void *clientData, void *elementRecord, Tk_Window tkwin, int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) { ElementData *elementData = (ElementData *)clientData; if (!InitElementData(elementData, tkwin, 0)) return; GenericSizedElementSize(clientData, elementRecord, tkwin, widthPtr, heightPtr, paddingPtr); /* force the arrow button height to half size */ *heightPtr /= 2; } static const Ttk_ElementSpec SpinboxArrowElementSpec = { TK_STYLE_VERSION_2, sizeof(NullElement), TtkNullElementOptions, SpinboxArrowElementSize, GenericElementDraw }; /*---------------------------------------------------------------------- * +++ Scrollbar thumb element. * Same as a GenericElement, but don't draw in the disabled state. */ static void ThumbElementDraw( void *clientData, TCL_UNUSED(void *), /* elementRecord */ Tk_Window tkwin, Drawable d, Ttk_Box b, Ttk_State state) { ElementData *elementData = (ElementData *)clientData; 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) return; if (!InitElementData(elementData, tkwin, d)) return; elementData->procs->DrawThemeBackground(elementData->hTheme, elementData->hDC, elementData->info->partId, stateId, &rc, NULL); FreeElementData(elementData); } static const Ttk_ElementSpec ThumbElementSpec = { TK_STYLE_VERSION_2, sizeof(NullElement), TtkNullElementOptions, GenericElementSize, ThumbElementDraw }; /*---------------------------------------------------------------------- * +++ Progress bar element. * Increases the requested length of PP_CHUNK and PP_CHUNKVERT parts * so that indeterminate progress bars show 3 bars instead of 1. */ static void PbarElementSize( void *clientData, void *elementRecord, Tk_Window tkwin, int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) { ElementData *elementData = (ElementData *)clientData; int nBars = 3; GenericElementSize(clientData, elementRecord, tkwin, widthPtr, heightPtr, paddingPtr); if (elementData->info->partId == PP_CHUNK) { *widthPtr *= nBars; } else if (elementData->info->partId == PP_CHUNKVERT) { *heightPtr *= nBars; } } static const Ttk_ElementSpec PbarElementSpec = { TK_STYLE_VERSION_2, sizeof(NullElement), TtkNullElementOptions, PbarElementSize, GenericElementDraw }; /*---------------------------------------------------------------------- * +++ Notebook tab element. * 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. * * The TIS_* and TILES_* definitions are identical, so * we can use the same statemap no matter what the partId. */ static void TabElementSize( void *clientData, void *elementRecord, Tk_Window tkwin, int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) { Ttk_PositionSpec nbTabsStickBit = TTK_STICK_S; TkMainInfo *mainInfoPtr = ((TkWindow *) tkwin)->mainPtr; if (mainInfoPtr != NULL) { nbTabsStickBit = (Ttk_PositionSpec) mainInfoPtr->ttkNbTabsStickBit; } GenericElementSize(clientData, elementRecord, tkwin, widthPtr, heightPtr, paddingPtr); *paddingPtr = Ttk_UniformPadding(3); switch (nbTabsStickBit) { default: case TTK_STICK_S: paddingPtr->bottom = 0; break; case TTK_STICK_N: paddingPtr->top = 0; break; case TTK_STICK_E: paddingPtr->right = 0; break; case TTK_STICK_W: paddingPtr->left = 0; break; } } static void TabElementDraw( void *clientData, TCL_UNUSED(void *), /* elementRecord */ Tk_Window tkwin, Drawable d, Ttk_Box b, Ttk_State state) { Ttk_PositionSpec nbTabsStickBit = TTK_STICK_S; TkMainInfo *mainInfoPtr = ((TkWindow *) tkwin)->mainPtr; ElementData *elementData = (ElementData *)clientData; int partId = elementData->info->partId; int isSelected = (state & TTK_STATE_SELECTED); int stateId = Ttk_StateTableLookup(elementData->info->statemap, state); if (mainInfoPtr != NULL) { nbTabsStickBit = (Ttk_PositionSpec) mainInfoPtr->ttkNbTabsStickBit; } /* * Correct the members of b if needed */ switch (nbTabsStickBit) { default: case TTK_STICK_S: break; case TTK_STICK_N: b.y -= isSelected ? 0 : 1; b.height -= isSelected ? 1 : 0; break; case TTK_STICK_E: b.width -= isSelected ? 1 : 0; break; case TTK_STICK_W: b.x -= isSelected ? 1 : 2; b.width -= isSelected ? 1 : 0; break; } RECT rc = BoxToRect(b); if (!InitElementData(elementData, tkwin, d)) return; if (nbTabsStickBit == TTK_STICK_S) { if (state & TTK_STATE_FIRST) { partId = TABP_TABITEMLEFTEDGE; } /* * Draw the border and fill into rc */ elementData->procs->DrawThemeBackground( elementData->hTheme, elementData->hDC, partId, stateId, &rc, NULL); } else { /* * Draw the fill but no border into rc */ RECT rc2 = rc; --rc2.top; --rc2.left; ++rc2.bottom; ++rc2.right; elementData->procs->DrawThemeBackground( elementData->hTheme, elementData->hDC, partId, stateId, &rc2, &rc); } /* * Draw a flat border at 3 edges */ switch (nbTabsStickBit) { default: case TTK_STICK_S: break; case TTK_STICK_N: elementData->procs->DrawThemeEdge( elementData->hTheme, elementData->hDC, partId, stateId, &rc, BDR_RAISEDINNER, BF_FLAT|BF_LEFT|BF_RIGHT|BF_BOTTOM, NULL); break; case TTK_STICK_E: elementData->procs->DrawThemeEdge( elementData->hTheme, elementData->hDC, partId, stateId, &rc, BDR_RAISEDINNER, BF_FLAT|BF_LEFT|BF_TOP|BF_BOTTOM, NULL); break; case TTK_STICK_W: elementData->procs->DrawThemeEdge( elementData->hTheme, elementData->hDC, partId, stateId, &rc, BDR_RAISEDINNER, BF_FLAT|BF_TOP|BF_RIGHT|BF_BOTTOM, NULL); break; } FreeElementData(elementData); } static const Ttk_ElementSpec TabElementSpec = { TK_STYLE_VERSION_2, sizeof(NullElement), TtkNullElementOptions, TabElementSize, TabElementDraw }; /*---------------------------------------------------------------------- * +++ Tree indicator element. * * Generic element, but don't display at all if TTK_STATE_LEAF (=USER2) set */ static const Ttk_StateTable header_statemap[] = { { HIS_PRESSED, TTK_STATE_PRESSED, 0 }, { HIS_HOT, TTK_STATE_ACTIVE, 0 }, { HIS_NORMAL, 0,0 }, }; static const Ttk_StateTable treeview_statemap[] = { { TREIS_DISABLED, TTK_STATE_DISABLED, 0 }, { TREIS_SELECTED, TTK_STATE_SELECTED, 0}, { TREIS_HOT, TTK_STATE_ACTIVE, 0 }, { TREIS_NORMAL, 0,0 }, }; static const 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, Ttk_State state) { if (!(state & TTK_STATE_LEAF)) { GenericElementDraw(clientData,elementRecord,tkwin,d,b,state); } } static const Ttk_ElementSpec TreeIndicatorElementSpec = { TK_STYLE_VERSION_2, sizeof(NullElement), TtkNullElementOptions, GenericElementSize, TreeIndicatorElementDraw }; #ifdef BROKEN_TEXT_ELEMENT /* *---------------------------------------------------------------------- * 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? * */ typedef struct { Tcl_Obj *textObj; Tcl_Obj *fontObj; } TextElement; static const Ttk_ElementOptionSpec TextElementOptions[] = { { "-text", TK_OPTION_STRING, offsetof(TextElement,textObj), "" }, { "-font", TK_OPTION_FONT, offsetof(TextElement,fontObj), DEFAULT_FONT }, { NULL } }; static void TextElementSize( 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; const char *src; Tcl_Size len; Tcl_DString ds; if (!InitElementData(elementData, tkwin, 0)) return; src = Tcl_GetStringFromObj(element->textObj, &len); Tcl_DStringInit(&ds); hr = elementData->procs->GetThemeTextExtent( elementData->hTheme, elementData->hDC, elementData->info->partId, Ttk_StateTableLookup(elementData->info->statemap, 0), Tcl_UtfToWCharDString(src, len, &ds), -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; Tcl_DStringFree(&ds); FreeElementData(elementData); } static void TextElementDraw( void *clientData, void *elementRecord, Tk_Window tkwin, Drawable d, Ttk_Box b, Ttk_State state) { TextElement *element = elementRecord; ElementData *elementData = clientData; RECT rc = BoxToRect(b); HRESULT hr = S_OK; const char *src; Tcl_Size len; Tcl_DString ds; if (!InitElementData(elementData, tkwin, d)) return; src = Tcl_GetStringFromObj(element->textObj, &len); Tcl_DStringInit(&ds); hr = elementData->procs->DrawThemeText( elementData->hTheme, elementData->hDC, elementData->info->partId, Ttk_StateTableLookup(elementData->info->statemap, state), Tcl_UtfToWCharDString(src, len, &ds), -1, DT_LEFT /* | DT_BOTTOM | DT_NOPREFIX */, (state & TTK_STATE_DISABLED) ? DTT_GRAYED : 0, &rc); Tcl_DStringFree(&ds); FreeElementData(elementData); } static const Ttk_ElementSpec TextElementSpec = { TK_STYLE_VERSION_2, sizeof(TextElement), TextElementOptions, TextElementSize, TextElementDraw }; #endif /* BROKEN_TEXT_ELEMENT */ /*---------------------------------------------------------------------- * +++ Widget layouts: */ TTK_BEGIN_LAYOUT_TABLE(LayoutTable) TTK_LAYOUT("TButton", TTK_GROUP("Button.button", TTK_FILL_BOTH, TTK_GROUP("Button.focus", TTK_FILL_BOTH, TTK_GROUP("Button.padding", TTK_FILL_BOTH, TTK_NODE("Button.label", TTK_FILL_BOTH))))) TTK_LAYOUT("TMenubutton", TTK_NODE("Menubutton.dropdown", TTK_PACK_RIGHT|TTK_FILL_Y) TTK_GROUP("Menubutton.button", TTK_FILL_BOTH, TTK_GROUP("Menubutton.padding", TTK_FILL_X, TTK_NODE("Menubutton.label", 0)))) TTK_LAYOUT("Horizontal.TScrollbar", TTK_GROUP("Horizontal.Scrollbar.trough", TTK_FILL_X, TTK_NODE("Horizontal.Scrollbar.leftarrow", TTK_PACK_LEFT) TTK_NODE("Horizontal.Scrollbar.rightarrow", TTK_PACK_RIGHT) TTK_GROUP("Horizontal.Scrollbar.thumb", TTK_FILL_BOTH|TTK_UNIT, TTK_NODE("Horizontal.Scrollbar.grip", 0)))) TTK_LAYOUT("Vertical.TScrollbar", TTK_GROUP("Vertical.Scrollbar.trough", TTK_FILL_Y, TTK_NODE("Vertical.Scrollbar.uparrow", TTK_PACK_TOP) TTK_NODE("Vertical.Scrollbar.downarrow", TTK_PACK_BOTTOM) TTK_GROUP("Vertical.Scrollbar.thumb", TTK_FILL_BOTH|TTK_UNIT, TTK_NODE("Vertical.Scrollbar.grip", 0)))) TTK_LAYOUT("Horizontal.TScale", TTK_GROUP("Scale.focus", TTK_FILL_BOTH, TTK_GROUP("Horizontal.Scale.trough", TTK_FILL_BOTH, TTK_NODE("Horizontal.Scale.track", TTK_FILL_X) TTK_NODE("Horizontal.Scale.slider", TTK_PACK_LEFT) ))) TTK_LAYOUT("Vertical.TScale", TTK_GROUP("Scale.focus", TTK_FILL_BOTH, TTK_GROUP("Vertical.Scale.trough", TTK_FILL_BOTH, TTK_NODE("Vertical.Scale.track", TTK_FILL_Y) TTK_NODE("Vertical.Scale.slider", TTK_PACK_TOP) ))) TTK_END_LAYOUT_TABLE /*---------------------------------------------------------------------- * +++ XP element info table: */ #define PAD(l,t,r,b) {l,t,r,b} #define NOPAD {0,0,0,0} /* name spec className partId statemap padding flags */ static const ElementInfo ElementInfoTable[] = { { "Checkbutton.indicator", &GenericElementSpec, L"BUTTON", BP_CHECKBOX, checkbox_statemap, PAD(0, 0, 4, 0), PAD_MARGINS }, { "Radiobutton.indicator", &GenericElementSpec, L"BUTTON", BP_RADIOBUTTON, radiobutton_statemap, PAD(0, 0, 4, 0), PAD_MARGINS }, { "Button.button", &GenericElementSpec, L"BUTTON", BP_PUSHBUTTON, pushbutton_statemap, PAD(3, 3, 3, 3), IGNORE_THEMESIZE }, { "Labelframe.border", &GenericElementSpec, L"BUTTON", BP_GROUPBOX, groupbox_statemap, PAD(2, 2, 2, 2), 0 }, { "Entry.field", &GenericElementSpec, L"EDIT", EP_EDITTEXT, edittext_statemap, PAD(1, 1, 1, 1), 0 }, { "Combobox.field", &GenericElementSpec, L"EDIT", EP_EDITTEXT, combotext_statemap, PAD(1, 1, 1, 1), 0 }, { "Combobox.downarrow", &GenericSizedElementSpec, L"COMBOBOX", CP_DROPDOWNBUTTON, combobox_statemap, NOPAD, (SM_CXVSCROLL << 8) | SM_CYVSCROLL }, { "Vertical.Scrollbar.trough", &GenericElementSpec, L"SCROLLBAR", SBP_UPPERTRACKVERT, scrollbar_statemap, NOPAD, 0 }, { "Vertical.Scrollbar.thumb", &ThumbElementSpec, L"SCROLLBAR", SBP_THUMBBTNVERT, scrollbar_statemap, NOPAD, 0 }, { "Vertical.Scrollbar.grip", &GenericElementSpec, L"SCROLLBAR", SBP_GRIPPERVERT, scrollbar_statemap, NOPAD, 0 }, { "Horizontal.Scrollbar.trough", &GenericElementSpec, L"SCROLLBAR", SBP_UPPERTRACKHORZ, scrollbar_statemap, NOPAD, 0 }, { "Horizontal.Scrollbar.thumb", &ThumbElementSpec, L"SCROLLBAR", SBP_THUMBBTNHORZ, scrollbar_statemap, NOPAD, 0 }, { "Horizontal.Scrollbar.grip", &GenericElementSpec, L"SCROLLBAR", SBP_GRIPPERHORZ, scrollbar_statemap, NOPAD, 0 }, { "Scrollbar.uparrow", &GenericSizedElementSpec, L"SCROLLBAR", SBP_ARROWBTN, uparrow_statemap, NOPAD, (SM_CXVSCROLL << 8) | SM_CYVSCROLL }, { "Scrollbar.downarrow", &GenericSizedElementSpec, L"SCROLLBAR", SBP_ARROWBTN, downarrow_statemap, NOPAD, (SM_CXVSCROLL << 8) | SM_CYVSCROLL }, { "Scrollbar.leftarrow", &GenericSizedElementSpec, L"SCROLLBAR", SBP_ARROWBTN, leftarrow_statemap, NOPAD, (SM_CXHSCROLL << 8) | SM_CYHSCROLL }, { "Scrollbar.rightarrow", &GenericSizedElementSpec, L"SCROLLBAR", SBP_ARROWBTN, rightarrow_statemap, NOPAD, (SM_CXHSCROLL << 8) | SM_CYHSCROLL }, { "Horizontal.Scale.slider", &GenericElementSpec, L"TRACKBAR", TKP_THUMB, scale_statemap, NOPAD, 0 }, { "Vertical.Scale.slider", &GenericElementSpec, L"TRACKBAR", TKP_THUMBVERT, scale_statemap, NOPAD, 0 }, { "Horizontal.Scale.track", &GenericElementSpec, L"TRACKBAR", TKP_TRACK, scale_statemap, NOPAD, 0 }, { "Vertical.Scale.track", &GenericElementSpec, L"TRACKBAR", TKP_TRACKVERT, scale_statemap, NOPAD, 0 }, /* ttk::progressbar elements */ { "Horizontal.Progressbar.pbar", &PbarElementSpec, L"PROGRESS", PP_CHUNK, null_statemap, NOPAD, 0 }, { "Vertical.Progressbar.pbar", &PbarElementSpec, L"PROGRESS", PP_CHUNKVERT, null_statemap, NOPAD, 0 }, { "Horizontal.Progressbar.trough", &GenericElementSpec, L"PROGRESS", PP_BAR, null_statemap, PAD(3,3,3,3), IGNORE_THEMESIZE }, { "Vertical.Progressbar.trough", &GenericElementSpec, L"PROGRESS", PP_BARVERT, null_statemap, PAD(3,3,3,3), IGNORE_THEMESIZE }, /* ttk::notebook */ { "tab", &TabElementSpec, L"TAB", TABP_TABITEM, tabitem_statemap, PAD(3,3,3,0), 0 }, { "client", &GenericElementSpec, L"TAB", TABP_PANE, null_statemap, PAD(1,1,3,3), 0 }, { "NotebookPane.background", &GenericElementSpec, L"TAB", TABP_BODY, null_statemap, NOPAD, 0 }, { "Toolbutton.border", &GenericElementSpec, L"TOOLBAR", TP_BUTTON, toolbutton_statemap, NOPAD,0 }, { "Menubutton.button", &GenericElementSpec, L"TOOLBAR", TP_SPLITBUTTON,toolbutton_statemap, NOPAD,0 }, { "Menubutton.dropdown", &GenericElementSpec, L"TOOLBAR", TP_SPLITBUTTONDROPDOWN,toolbutton_statemap, NOPAD,0 }, { "Treeview.field", &GenericElementSpec, L"TREEVIEW", TVP_TREEITEM, treeview_statemap, PAD(1, 1, 1, 1), IGNORE_THEMESIZE }, { "Treeitem.indicator", &TreeIndicatorElementSpec, L"TREEVIEW", TVP_GLYPH, tvpglyph_statemap, PAD(1,1,6,0), PAD_MARGINS }, { "Treeheading.border", &GenericElementSpec, L"HEADER", HP_HEADERITEM, header_statemap, PAD(4,0,4,0),0 }, { "sizegrip", &GenericElementSpec, L"STATUS", SP_GRIPPER, null_statemap, NOPAD,0 }, { "Spinbox.field", &GenericElementSpec, L"EDIT", EP_EDITTEXT, edittext_statemap, PAD(1, 1, 1, 1), 0 }, { "Spinbox.uparrow", &SpinboxArrowElementSpec, L"SPIN", SPNP_UP, spinbutton_statemap, NOPAD, PAD_MARGINS | ((SM_CXVSCROLL << 8) | SM_CYVSCROLL) }, { "Spinbox.downarrow", &SpinboxArrowElementSpec, L"SPIN", SPNP_DOWN, spinbutton_statemap, NOPAD, PAD_MARGINS | ((SM_CXVSCROLL << 8) | SM_CYVSCROLL) }, #ifdef BROKEN_TEXT_ELEMENT { "Labelframe.text", &TextElementSpec, L"BUTTON", BP_GROUPBOX, groupbox_statemap, NOPAD,0 }, #endif { 0,0,0,0,0,NOPAD,0 } }; #undef PAD static int GetSysFlagFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, int *resultPtr) { static const char *const names[] = { "SM_CXBORDER", "SM_CYBORDER", "SM_CXVSCROLL", "SM_CYVSCROLL", "SM_CXHSCROLL", "SM_CYHSCROLL", "SM_CXMENUCHECK", "SM_CYMENUCHECK", "SM_CXMENUSIZE", "SM_CYMENUSIZE", "SM_CXSIZE", "SM_CYSIZE", "SM_CXSMSIZE", "SM_CYSMSIZE", NULL }; int flags[] = { SM_CXBORDER, SM_CYBORDER, SM_CXVSCROLL, SM_CYVSCROLL, SM_CXHSCROLL, SM_CYHSCROLL, SM_CXMENUCHECK, SM_CYMENUCHECK, SM_CXMENUSIZE, SM_CYMENUSIZE, SM_CXSIZE, SM_CYSIZE, SM_CXSMSIZE, SM_CYSMSIZE }; Tcl_Obj **objv; Tcl_Size i, objc; if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) return TCL_ERROR; if (objc != 2) { Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args", TCL_INDEX_NONE)); Tcl_SetErrorCode(interp, "TCL", "WRONGARGS", NULL); return TCL_ERROR; } for (i = 0; i < objc; ++i) { int option; if (Tcl_GetIndexFromObjStruct(interp, objv[i], names, sizeof(char *), "system constant", 0, &option) != TCL_OK) return TCL_ERROR; *resultPtr |= (flags[option] << (8 * (1 - i))); } return TCL_OK; } /*---------------------------------------------------------------------- * Windows Visual Styles API Element Factory * * The Vista release has shown that the Windows Visual Styles can be * extended with additional elements. This element factory can permit * the programmer to create elements for use with script-defined layouts * * eg: to create the small close button: * style element create smallclose vsapi \ * WINDOW 19 {disabled 4 pressed 3 active 2 {} 1} */ static int Ttk_CreateVsapiElement( Tcl_Interp *interp, void *clientData, Ttk_Theme theme, const char *elementName, Tcl_Size objc, Tcl_Obj *const objv[]) { XPThemeData *themeData = (XPThemeData *)clientData; ElementInfo *elementPtr = NULL; void *elementData; LPCWSTR className; int partId = 0; Ttk_StateTable *stateTable; Ttk_Padding pad = {0, 0, 0, 0}; int flags = 0; Tcl_Size length = 0; char *name; LPWSTR wname; const Ttk_ElementSpec *elementSpec = &GenericElementSpec; Tcl_DString classBuf; static const char *const optionStrings[] = { "-halfheight", "-halfwidth", "-height", "-margins", "-padding", "-syssize", "-width", NULL }; enum { O_HALFHEIGHT, O_HALFWIDTH, O_HEIGHT, O_MARGINS, O_PADDING, O_SYSSIZE, O_WIDTH }; if (objc < 2) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "missing required arguments 'class' and/or 'partId'", TCL_INDEX_NONE)); Tcl_SetErrorCode(interp, "TTK", "VSAPI", "REQUIRED", NULL); return TCL_ERROR; } if (Tcl_GetIntFromObj(interp, objv[1], &partId) != TCL_OK) { return TCL_ERROR; } name = Tcl_GetStringFromObj(objv[0], &length); Tcl_DStringInit(&classBuf); className = Tcl_UtfToWCharDString(name, length, &classBuf); /* flags or padding */ if (objc > 3) { Tcl_Size i = 3; int option = 0; for (i = 3; i < objc; i += 2) { int tmp = 0; if (i == objc -1) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "Missing value for \"%s\".", Tcl_GetString(objv[i]))); Tcl_SetErrorCode(interp, "TTK", "VSAPI", "MISSING", NULL); goto retErr; } if (Tcl_GetIndexFromObj(interp, objv[i], optionStrings, "option", 0, &option) != TCL_OK) goto retErr; switch (option) { case O_PADDING: if (Ttk_GetBorderFromObj(interp, objv[i+1], &pad) != TCL_OK) { goto retErr; } break; case O_MARGINS: if (Ttk_GetBorderFromObj(interp, objv[i+1], &pad) != TCL_OK) { goto retErr; } flags |= PAD_MARGINS; break; case O_WIDTH: if (Tcl_GetIntFromObj(interp, objv[i+1], &tmp) != TCL_OK) { goto retErr; } pad.left = pad.right = tmp; flags |= IGNORE_THEMESIZE; break; case O_HEIGHT: if (Tcl_GetIntFromObj(interp, objv[i+1], &tmp) != TCL_OK) { goto retErr; } pad.top = pad.bottom = tmp; flags |= IGNORE_THEMESIZE; break; case O_SYSSIZE: if (GetSysFlagFromObj(interp, objv[i+1], &tmp) != TCL_OK) { goto retErr; } elementSpec = &GenericSizedElementSpec; flags |= (tmp & 0xFFFF); break; case O_HALFHEIGHT: if (Tcl_GetBooleanFromObj(interp, objv[i+1], &tmp) != TCL_OK) { goto retErr; } if (tmp) flags |= HALF_HEIGHT; break; case O_HALFWIDTH: if (Tcl_GetBooleanFromObj(interp, objv[i+1], &tmp) != TCL_OK) { goto retErr; } if (tmp) flags |= HALF_WIDTH; break; } } } /* convert a statemap into a state table */ if (objc > 2) { Tcl_Obj **specs; Tcl_Size n, j, count; int status = TCL_OK; if (Tcl_ListObjGetElements(interp, objv[2], &count, &specs) != TCL_OK) goto retErr; /* we over-allocate to ensure there is a terminating entry */ stateTable = (Ttk_StateTable *)ckalloc(sizeof(Ttk_StateTable) * (count + 1)); memset(stateTable, 0, sizeof(Ttk_StateTable) * (count + 1)); for (n = 0, j = 0; status == TCL_OK && n < count; n += 2, ++j) { Ttk_StateSpec spec = {0,0}; status = Ttk_GetStateSpecFromObj(interp, specs[n], &spec); if (status == TCL_OK) { stateTable[j].onBits = spec.onbits; stateTable[j].offBits = spec.offbits; status = Tcl_GetIntFromObj(interp, specs[n+1], &stateTable[j].index); } } if (status != TCL_OK) { ckfree(stateTable); Tcl_DStringFree(&classBuf); return status; } } else { stateTable = (Ttk_StateTable *)ckalloc(sizeof(Ttk_StateTable)); memset(stateTable, 0, sizeof(Ttk_StateTable)); } elementPtr = (ElementInfo *)ckalloc(sizeof(ElementInfo)); elementPtr->elementSpec = elementSpec; elementPtr->partId = partId; elementPtr->statemap = stateTable; elementPtr->padding = pad; elementPtr->flags = HEAP_ELEMENT | flags; /* set the element name to an allocated copy */ name = (char *)ckalloc(strlen(elementName) + 1); strcpy(name, elementName); elementPtr->elementName = name; /* set the class name to an allocated copy */ wname = (LPWSTR)ckalloc(Tcl_DStringLength(&classBuf) + sizeof(WCHAR)); wcscpy(wname, className); elementPtr->className = wname; elementData = NewElementData(themeData->procs, elementPtr); Ttk_RegisterElementSpec( theme, elementName, elementPtr->elementSpec, elementData); Ttk_RegisterCleanup(interp, elementData, DestroyElementData); Tcl_SetObjResult(interp, Tcl_NewStringObj(elementName, TCL_INDEX_NONE)); Tcl_DStringFree(&classBuf); return TCL_OK; retErr: Tcl_DStringFree(&classBuf); return TCL_ERROR; } /*---------------------------------------------------------------------- * +++ Initialization routine: */ MODULE_SCOPE int TtkXPTheme_Init(Tcl_Interp *interp, HWND hwnd) { XPThemeData *themeData; XPThemeProcs *procs; HINSTANCE hlibrary; Ttk_Theme themePtr, parentPtr, vistaPtr; const ElementInfo *infoPtr; procs = LoadXPThemeProcs(&hlibrary); if (!procs) return TCL_ERROR; procs->stubWindow = hwnd; /* * Create the new style engine. */ parentPtr = Ttk_GetTheme(interp, "winnative"); themePtr = Ttk_CreateTheme(interp, "xpnative", parentPtr); if (!themePtr) return TCL_ERROR; /* * Set theme data and cleanup proc */ themeData = (XPThemeData *)ckalloc(sizeof(XPThemeData)); themeData->procs = procs; themeData->hlibrary = hlibrary; Ttk_SetThemeEnabledProc(themePtr, XPThemeEnabled, themeData); Ttk_RegisterCleanup(interp, themeData, XPThemeDeleteProc); Ttk_RegisterElementFactory(interp, "vsapi", Ttk_CreateVsapiElement, themeData); /* * Create the vista theme on suitable platform versions and set the theme * enable function. The theme itself is defined in script. */ if (TkWinGetPlatformTheme() == TK_THEME_WIN_VISTA) { vistaPtr = Ttk_CreateTheme(interp, "vista", themePtr); if (vistaPtr) { Ttk_SetThemeEnabledProc(vistaPtr, XPThemeEnabled, themeData); } } /* * New elements: */ for (infoPtr = ElementInfoTable; infoPtr->elementName != 0; ++infoPtr) { void *clientData = NewElementData(procs, infoPtr); Ttk_RegisterElementSpec( themePtr, infoPtr->elementName, infoPtr->elementSpec, clientData); Ttk_RegisterCleanup(interp, clientData, DestroyElementData); } Ttk_RegisterElementSpec(themePtr, "Scale.trough", &ttkNullElementSpec, 0); /* * Layouts: */ Ttk_RegisterLayouts(themePtr, LayoutTable); Tcl_PkgProvide(interp, "ttk::theme::xpnative", TTK_VERSION); return TCL_OK; }