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Diffstat (limited to 'win/ttkWinXPTheme.c')
| -rw-r--r-- | win/ttkWinXPTheme.c | 998 |
1 files changed, 998 insertions, 0 deletions
diff --git a/win/ttkWinXPTheme.c b/win/ttkWinXPTheme.c new file mode 100644 index 0000000..107aa55 --- /dev/null +++ b/win/ttkWinXPTheme.c @@ -0,0 +1,998 @@ +/* + * $Id: ttkWinXPTheme.c,v 1.1 2006/10/31 01:42:28 hobbs Exp $ + * + * Tk theme engine which uses the Windows XP "Visual Styles" API + * Adapted from Georgios Petasis' XP theme patch. + * + * Copyright (c) 2003 by Georgios Petasis, petasis@iit.demokritos.gr. + * Copyright (c) 2003 by Joe English + * Copyright (c) 2003 by 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: + * + * <URL: http://msdn.microsoft.com/library/en-us/ + * shellcc/platform/commctls/userex/refentry.asp > + */ + +#ifndef HAVE_UXTHEME_H +/* Stub for platforms that lack the XP theme API headers: */ +#include <windows.h> +#include <tcl.h> +int XPTheme_Init(Tcl_Interp *interp, HWND hwnd) { return TCL_OK; } +#else + +#define WINVER 0x0501 /* Requires Windows XP APIs */ + +#include <windows.h> +#include <uxtheme.h> +#include <tmschema.h> + +#include <tkWinInt.h> + +#include "ttk/ttkTheme.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 DrawThemeParentBackgroundProc)(HWND hwnd, + HDC hdc, OPTIONAL const RECT *prc); +typedef HRESULT (STDAPICALLTYPE DrawThemeEdgeProc)(HTHEME hTheme, HDC hdc, + int iPartId, int iStateId, const RECT *pDestRect, + UINT uEdge, UINT uFlags, RECT *pContentRect); +typedef HRESULT (STDAPICALLTYPE DrawThemeTextProc)(HTHEME hTheme, HDC hdc, + int iPartId, int iStateId, LPCWSTR pszText, int iCharCount, + DWORD dwTextFlags, DWORD dwTextFlags2, const RECT *pRect); +typedef HRESULT (STDAPICALLTYPE GetThemeMarginsProc)(HTHEME, HDC, + int iPartId, int iStateId, int iPropId, + OPTIONAL RECT *prc, MARGINS *pMargins); +typedef HRESULT (STDAPICALLTYPE GetThemePartSizeProc)(HTHEME,HDC, + int iPartId, int iStateId, + RECT *prc, enum THEMESIZE eSize, SIZE *psz); +typedef HRESULT (STDAPICALLTYPE GetThemeTextExtentProc)(HTHEME hTheme, HDC hdc, + int iPartId, int iStateId, LPCWSTR pszText, int iCharCount, + DWORD dwTextFlags, const RECT *pBoundingRect, RECT *pExtentRect); +typedef BOOL (STDAPICALLTYPE IsThemeActiveProc)(VOID); + +typedef struct +{ + OpenThemeDataProc *OpenThemeData; + CloseThemeDataProc *CloseThemeData; + DrawThemeBackgroundProc *DrawThemeBackground; + DrawThemeParentBackgroundProc *DrawThemeParentBackground; + DrawThemeEdgeProc *DrawThemeEdge; + DrawThemeTextProc *DrawThemeText; + GetThemePartSizeProc *GetThemePartSize; + GetThemeTextExtentProc *GetThemeTextExtent; + IsThemeActiveProc *IsThemeActive; + + 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) +{ + OSVERSIONINFO os; + + /* + * We have to check whether we are running at least on Windows XP. + * In order to determine this we call GetVersionEx directly, although + * it would be a good idea to wrap it inside a function similar to + * TkWinGetPlatformId... + */ + ZeroMemory(&os, sizeof(os)); + os.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&os); + if (os.dwMajorVersion >= 5 && os.dwMinorVersion >= 1) { + /* + * We are running under Windows XP or a newer version. + * Load the library "uxtheme.dll", where the native widget + * drawing routines are implemented. + */ + HINSTANCE handle; + *phlib = handle = LoadLibrary("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 *)GetProcAddress(handle, #name) )) + + if ( LOADPROC(OpenThemeData) + && LOADPROC(CloseThemeData) + && LOADPROC(DrawThemeBackground) + && LOADPROC(DrawThemeParentBackground) + && LOADPROC(DrawThemeEdge) + && LOADPROC(DrawThemeText) + && LOADPROC(GetThemePartSize) + && LOADPROC(GetThemeTextExtent) + && LOADPROC(IsThemeActive) + ) + { + return procs; + } +#undef LOADPROC + ckfree((char*)procs); + } + } + return 0; +} + +/* + * XPThemeDeleteProc -- + * + * Release any theme allocated resources. + */ + +static void +XPThemeDeleteProc(void *clientData) +{ + XPThemeData *themeData = clientData; + FreeLibrary(themeData->hlibrary); + ckfree(clientData); +} + +static int +XPThemeEnabled(Ttk_Theme theme, void *clientData) +{ + XPThemeData *themeData = clientData; + return themeData->procs->IsThemeActive(); +} + +/* + * 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 Ttk_StateTable null_statemap[] = { {0,0,0} }; + +/* + * Pushbuttons (Tk: "Button") + */ +static 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") + * + * Missing: CBS_MIXEDDISABLED CBS_MIXEDHOT CBS_MIXEDNORMAL CBS_MIXEDPRESSED + */ +static Ttk_StateTable checkbox_statemap[] = +{ +{CBS_CHECKEDDISABLED, TTK_STATE_DISABLED|TTK_STATE_SELECTED, 0}, +{CBS_CHECKEDPRESSED, TTK_STATE_PRESSED|TTK_STATE_SELECTED, 0}, +{CBS_CHECKEDHOT, TTK_STATE_ACTIVE|TTK_STATE_SELECTED, 0}, +{CBS_CHECKEDNORMAL, TTK_STATE_SELECTED, 0}, +{CBS_UNCHECKEDDISABLED, TTK_STATE_DISABLED, TTK_STATE_SELECTED}, +{CBS_UNCHECKEDPRESSED, TTK_STATE_PRESSED, TTK_STATE_SELECTED}, +{CBS_UNCHECKEDHOT, TTK_STATE_ACTIVE, TTK_STATE_SELECTED}, +{CBS_UNCHECKEDNORMAL, 0,0 } +}; + +/* + * Radiobuttons: + */ +static Ttk_StateTable radiobutton_statemap[] = +{ +{RBS_CHECKEDDISABLED, TTK_STATE_DISABLED|TTK_STATE_SELECTED, 0}, +{RBS_CHECKEDPRESSED, TTK_STATE_PRESSED|TTK_STATE_SELECTED, 0}, +{RBS_CHECKEDHOT, TTK_STATE_ACTIVE|TTK_STATE_SELECTED, 0}, +{RBS_CHECKEDNORMAL, TTK_STATE_SELECTED, 0}, +{RBS_UNCHECKEDDISABLED, TTK_STATE_DISABLED, TTK_STATE_SELECTED}, +{RBS_UNCHECKEDPRESSED, TTK_STATE_PRESSED, TTK_STATE_SELECTED}, +{RBS_UNCHECKEDHOT, TTK_STATE_ACTIVE, TTK_STATE_SELECTED}, +{RBS_UNCHECKEDNORMAL, 0,0 } +}; + +/* + * Groupboxes (tk: "frame") + */ +static Ttk_StateTable groupbox_statemap[] = +{ +{GBS_DISABLED, TTK_STATE_DISABLED, 0}, +{GBS_NORMAL, 0,0 } +}; + +/* + * Edit fields (tk: "entry") + */ +static 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 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 Ttk_StateTable combobox_statemap[] = { + { CBXS_DISABLED, TTK_STATE_DISABLED, 0 }, + { CBXS_PRESSED, TTK_STATE_PRESSED, 0 }, + { CBXS_HOT, TTK_STATE_ACTIVE, 0 }, + { CBXS_NORMAL, 0, 0 } +}; + +/* + * Toolbar buttons (TP_BUTTON): + */ +static 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 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 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 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 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 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 } +}; + +/* + * Trackbar thumb: (Tk: "scale slider") + */ +static 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 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". + * + * <<NOTE-GetThemeMargins>>: + * 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. + * + * <<NOTE-GetThemePartSize>>: + * 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 */ + Ttk_ElementSpec *elementSpec; + /* Element spec (usually GenericElementSpec) */ + 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 */ +} ElementInfo; + +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; + + /* For TkWinDrawableReleaseDC: */ + Drawable drawable; + TkWinDCState dcState; +} ElementData; + +static ElementData * +NewElementData(XPThemeProcs *procs, ElementInfo *info) +{ + ElementData *elementData = (ElementData*)ckalloc(sizeof(ElementData)); + + elementData->procs = procs; + elementData->info = info; + elementData->hTheme = elementData->hDC = 0; + + return elementData; +} + +static void DestroyElementData(void *elementData) +{ + ckfree(elementData); +} + +/* + * 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 != None) { + 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 +GenericElementGeometry( + 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)) + 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); + + if (SUCCEEDED(result)) { + *widthPtr = size.cx; + *heightPtr = size.cy; + } + } + + /* See NOTE-GetThemeMargins + */ + *paddingPtr = elementData->info->padding; +} + +static void +GenericElementDraw( + void *clientData, void *elementRecord, Tk_Window tkwin, + Drawable d, Ttk_Box b, unsigned int state) +{ + ElementData *elementData = clientData; + RECT rc = BoxToRect(b); + + if (!InitElementData(elementData, tkwin, d)) + return; + + 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 = +{ + TK_STYLE_VERSION_2, + sizeof(NullElement), + NullElementOptions, + GenericElementGeometry, + GenericElementDraw +}; + +/*---------------------------------------------------------------------- + * +++ Scrollbar thumb element. + * Same as a GenericElement, but don't draw in the disabled state. + */ + +static void +ThumbElementDraw( + 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); + 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 Ttk_ElementSpec ThumbElementSpec = +{ + TK_STYLE_VERSION_2, + sizeof(NullElement), + NullElementOptions, + GenericElementGeometry, + 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 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); + + if (elementData->info->partId == PP_CHUNK) { + *widthPtr *= nBars; + } else if (elementData->info->partId == PP_CHUNKVERT) { + *heightPtr *= nBars; + } +} + +static Ttk_ElementSpec PbarElementSpec = +{ + TK_STYLE_VERSION_2, + sizeof(NullElement), + NullElementOptions, + PbarElementGeometry, + 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 TTKS_* 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) +{ + ElementData *elementData = clientData; + int partId = elementData->info->partId; + RECT rc = BoxToRect(b); + + if (!InitElementData(elementData, tkwin, d)) + return; + if (state & TTK_STATE_USER1) + partId = TABP_TABITEMLEFTEDGE; + elementData->procs->DrawThemeBackground( + elementData->hTheme, elementData->hDC, partId, + Ttk_StateTableLookup(elementData->info->statemap, state), &rc, NULL); + FreeElementData(elementData); +} + +static Ttk_ElementSpec TabElementSpec = +{ + TK_STYLE_VERSION_2, + sizeof(NullElement), + NullElementOptions, + GenericElementGeometry, + TabElementDraw +}; + +/*---------------------------------------------------------------------- + * +++ Tree indicator element. + * + * 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[] = +{ + { HIS_PRESSED, TTK_STATE_PRESSED, 0 }, + { HIS_HOT, TTK_STATE_ACTIVE, 0 }, + { HIS_NORMAL, 0,0 }, +}; + +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) +{ + if (!(state & TTK_STATE_LEAF)) { + GenericElementDraw(clientData,elementRecord,tkwin,d,b,state); + } +} + +static Ttk_ElementSpec TreeIndicatorElementSpec = +{ + TK_STYLE_VERSION_2, + sizeof(NullElement), + NullElementOptions, + GenericElementGeometry, + TreeIndicatorElementDraw +}; + +#if 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 Ttk_ElementOptionSpec TextElementOptions[] = +{ + { "-text", TK_OPTION_STRING, + Tk_Offset(TextElement,textObj), "" }, + { "-font", TK_OPTION_FONT, + Tk_Offset(TextElement,fontObj), DEFAULT_FONT }, + { NULL } +}; + +static void +TextElementGeometry( + 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)) + return; + + 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); + + if (SUCCEEDED(hr)) { + *widthPtr = rc.right - rc.left; + *heightPtr = rc.bottom - rc.top; + } + 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) +{ + TextElement *element = elementRecord; + ElementData *elementData = clientData; + RECT rc = BoxToRect(b); + HRESULT hr = S_OK; + + if (!InitElementData(elementData, tkwin, d)) + return; + + 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); + FreeElementData(elementData); +} + +static Ttk_ElementSpec TextElementSpec = +{ + TK_STYLE_VERSION_2, + sizeof(TextElement), + TextElementOptions, + TextElementGeometry, + TextElementDraw +}; + +#endif /* BROKEN_TEXT_ELEMENT */ + +/*---------------------------------------------------------------------- + * +++ Widget layouts: + */ + +TTK_BEGIN_LAYOUT(ButtonLayout) + 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_END_LAYOUT + +TTK_BEGIN_LAYOUT(MenubuttonLayout) + TTK_NODE("Menubutton.dropdown", TTK_PACK_RIGHT|TTK_FILL_Y) + TTK_GROUP("Menubutton.button", TTK_PACK_RIGHT|TTK_EXPAND|TTK_FILL_BOTH, + TTK_GROUP("Menubutton.padding", TTK_PACK_LEFT|TTK_EXPAND|TTK_FILL_X, + TTK_NODE("Menubutton.label", 0))) +TTK_END_LAYOUT + +TTK_BEGIN_LAYOUT(HorizontalScrollbarLayout) + 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_END_LAYOUT + +TTK_BEGIN_LAYOUT(VerticalScrollbarLayout) + 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_END_LAYOUT + +TTK_BEGIN_LAYOUT(VerticalScaleLayout) + TTK_GROUP("Scale.focus", TTK_EXPAND|TTK_FILL_BOTH, + TTK_GROUP("Vertical.Scale.trough", TTK_EXPAND|TTK_FILL_BOTH, + TTK_NODE("Vertical.Scale.track", TTK_FILL_Y) + TTK_NODE("Vertical.Scale.slider", TTK_PACK_TOP) )) +TTK_END_LAYOUT + +TTK_BEGIN_LAYOUT(HorizontalScaleLayout) + TTK_GROUP("Scale.focus", TTK_EXPAND|TTK_FILL_BOTH, + TTK_GROUP("Horizontal.Scale.trough", TTK_EXPAND|TTK_FILL_BOTH, + TTK_NODE("Horizontal.Scale.track", TTK_FILL_X) + TTK_NODE("Horizontal.Scale.slider", TTK_PACK_LEFT) )) +TTK_END_LAYOUT + +/*---------------------------------------------------------------------- + * +++ 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 ElementInfo ElementInfoTable[] = { + { "Checkbutton.indicator", &GenericElementSpec, L"BUTTON", + BP_CHECKBOX, checkbox_statemap, PAD(0, 0, 4, 0), 0 }, + { "Radiobutton.indicator", &GenericElementSpec, L"BUTTON", + BP_RADIOBUTTON, radiobutton_statemap, PAD(0, 0, 4, 0), 0 }, + { "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", &GenericElementSpec, L"COMBOBOX", + CP_DROPDOWNBUTTON, combobox_statemap, NOPAD, 0 }, + { "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", &GenericElementSpec, L"SCROLLBAR", + SBP_ARROWBTN, uparrow_statemap, NOPAD, 0 }, + { "Scrollbar.downarrow", &GenericElementSpec, L"SCROLLBAR", + SBP_ARROWBTN, downarrow_statemap, NOPAD, 0 }, + { "Scrollbar.leftarrow", &GenericElementSpec, L"SCROLLBAR", + SBP_ARROWBTN, leftarrow_statemap, NOPAD, 0 }, + { "Scrollbar.rightarrow", &GenericElementSpec, L"SCROLLBAR", + SBP_ARROWBTN, rightarrow_statemap, NOPAD, 0 }, + { "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 }, + { "Treeitem.indicator", &TreeIndicatorElementSpec, L"TREEVIEW", + TVP_GLYPH, tvpglyph_statemap, PAD(1,1,6,0), 0 }, + { "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 }, + +#if BROKEN_TEXT_ELEMENT + { "Labelframe.text", &TextElementSpec, L"BUTTON", + BP_GROUPBOX, groupbox_statemap, NOPAD,0 }, +#endif + + { 0,0,0,0,0,NOPAD,0 } +}; +#undef PAD + +/*---------------------------------------------------------------------- + * +++ Initialization routine: + */ + +int XPTheme_Init(Tcl_Interp *interp, HWND hwnd) +{ + XPThemeData *themeData; + XPThemeProcs *procs; + HINSTANCE hlibrary; + Ttk_Theme themePtr, parentPtr; + 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); + + /* + * New elements: + */ + for (infoPtr = ElementInfoTable; infoPtr->elementName != 0; ++infoPtr) { + ClientData clientData = NewElementData(procs, infoPtr); + Ttk_RegisterElementSpec( + themePtr, infoPtr->elementName, infoPtr->elementSpec, clientData); + Ttk_RegisterCleanup(interp, clientData, DestroyElementData); + } + + Ttk_RegisterElementSpec(themePtr, "Scale.trough", &NullElementSpec, 0); + + /* + * Layouts: + */ + Ttk_RegisterLayout(themePtr, "TButton", ButtonLayout); + Ttk_RegisterLayout(themePtr, "TMenubutton", MenubuttonLayout); + Ttk_RegisterLayout(themePtr, "Vertical.TScrollbar", + VerticalScrollbarLayout); + Ttk_RegisterLayout(themePtr, "Horizontal.TScrollbar", + HorizontalScrollbarLayout); + Ttk_RegisterLayout(themePtr, "Vertical.TScale", VerticalScaleLayout); + Ttk_RegisterLayout(themePtr, "Horizontal.TScale", HorizontalScaleLayout); + + Tcl_PkgProvide(interp, "ttk::theme::xpnative", TTK_VERSION); + + return TCL_OK; +} + +#endif /* HAVE_UXTHEME_H */ |