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wine/dlls/uxtheme/system.c
Alistair Leslie-Hughes 81079ef35b uxtheme: Set last error on NULL pointer.
2011-08-31 19:43:07 +02:00

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/*
* Win32 5.1 Theme system
*
* Copyright (C) 2003 Kevin Koltzau
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
#include "vfwmsgs.h"
#include "uxtheme.h"
#include "tmschema.h"
#include "uxthemedll.h"
#include "msstyles.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(uxtheme);
/***********************************************************************
* Defines and global variables
*/
static const WCHAR szThemeManager[] = {
'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'T','h','e','m','e','M','a','n','a','g','e','r','\0'
};
static const WCHAR szThemeActive[] = {'T','h','e','m','e','A','c','t','i','v','e','\0'};
static const WCHAR szSizeName[] = {'S','i','z','e','N','a','m','e','\0'};
static const WCHAR szColorName[] = {'C','o','l','o','r','N','a','m','e','\0'};
static const WCHAR szDllName[] = {'D','l','l','N','a','m','e','\0'};
static const WCHAR szIniDocumentation[] = {'d','o','c','u','m','e','n','t','a','t','i','o','n','\0'};
DECLSPEC_HIDDEN HINSTANCE hDllInst;
DECLSPEC_HIDDEN ATOM atDialogThemeEnabled;
static DWORD dwThemeAppProperties = STAP_ALLOW_NONCLIENT | STAP_ALLOW_CONTROLS;
static ATOM atWindowTheme;
static ATOM atSubAppName;
static ATOM atSubIdList;
static BOOL bThemeActive = FALSE;
static WCHAR szCurrentTheme[MAX_PATH];
static WCHAR szCurrentColor[64];
static WCHAR szCurrentSize[64];
/***********************************************************************/
static BOOL CALLBACK UXTHEME_broadcast_msg_enumchild (HWND hWnd, LPARAM msg)
{
PostMessageW(hWnd, msg, 0, 0);
return TRUE;
}
/* Broadcast a message to *all* windows, including children */
static BOOL CALLBACK UXTHEME_broadcast_msg (HWND hWnd, LPARAM msg)
{
if (hWnd == NULL)
{
EnumWindows (UXTHEME_broadcast_msg, msg);
}
else
{
PostMessageW(hWnd, msg, 0, 0);
EnumChildWindows (hWnd, UXTHEME_broadcast_msg_enumchild, msg);
}
return TRUE;
}
/* At the end of the day this is a subset of what SHRegGetPath() does - copied
* here to avoid linking against shlwapi. */
static DWORD query_reg_path (HKEY hKey, LPCWSTR lpszValue,
LPVOID pvData)
{
DWORD dwRet, dwType, dwUnExpDataLen = MAX_PATH, dwExpDataLen;
TRACE("(hkey=%p,%s,%p)\n", hKey, debugstr_w(lpszValue),
pvData);
dwRet = RegQueryValueExW(hKey, lpszValue, 0, &dwType, pvData, &dwUnExpDataLen);
if (dwRet!=ERROR_SUCCESS && dwRet!=ERROR_MORE_DATA)
return dwRet;
if (dwType == REG_EXPAND_SZ)
{
DWORD nBytesToAlloc;
/* Expand type REG_EXPAND_SZ into REG_SZ */
LPWSTR szData;
/* If the caller didn't supply a buffer or the buffer is too small we have
* to allocate our own
*/
if (dwRet == ERROR_MORE_DATA)
{
WCHAR cNull = '\0';
nBytesToAlloc = dwUnExpDataLen;
szData = LocalAlloc(LMEM_ZEROINIT, nBytesToAlloc);
RegQueryValueExW (hKey, lpszValue, 0, NULL, (LPBYTE)szData, &nBytesToAlloc);
dwExpDataLen = ExpandEnvironmentStringsW(szData, &cNull, 1);
dwUnExpDataLen = max(nBytesToAlloc, dwExpDataLen);
LocalFree(szData);
}
else
{
nBytesToAlloc = (lstrlenW(pvData) + 1) * sizeof(WCHAR);
szData = LocalAlloc(LMEM_ZEROINIT, nBytesToAlloc );
lstrcpyW(szData, pvData);
dwExpDataLen = ExpandEnvironmentStringsW(szData, pvData, MAX_PATH );
if (dwExpDataLen > MAX_PATH) dwRet = ERROR_MORE_DATA;
dwUnExpDataLen = max(nBytesToAlloc, dwExpDataLen);
LocalFree(szData);
}
}
RegCloseKey(hKey);
return dwRet;
}
/***********************************************************************
* UXTHEME_LoadTheme
*
* Set the current active theme from the registry
*/
static void UXTHEME_LoadTheme(void)
{
HKEY hKey;
DWORD buffsize;
HRESULT hr;
WCHAR tmp[10];
PTHEME_FILE pt;
/* Get current theme configuration */
if(!RegOpenKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
TRACE("Loading theme config\n");
buffsize = sizeof(tmp)/sizeof(tmp[0]);
if(!RegQueryValueExW(hKey, szThemeActive, NULL, NULL, (LPBYTE)tmp, &buffsize)) {
bThemeActive = (tmp[0] != '0');
}
else {
bThemeActive = FALSE;
TRACE("Failed to get ThemeActive: %d\n", GetLastError());
}
buffsize = sizeof(szCurrentColor)/sizeof(szCurrentColor[0]);
if(RegQueryValueExW(hKey, szColorName, NULL, NULL, (LPBYTE)szCurrentColor, &buffsize))
szCurrentColor[0] = '\0';
buffsize = sizeof(szCurrentSize)/sizeof(szCurrentSize[0]);
if(RegQueryValueExW(hKey, szSizeName, NULL, NULL, (LPBYTE)szCurrentSize, &buffsize))
szCurrentSize[0] = '\0';
if (query_reg_path (hKey, szDllName, szCurrentTheme))
szCurrentTheme[0] = '\0';
RegCloseKey(hKey);
}
else
TRACE("Failed to open theme registry key\n");
if(bThemeActive) {
/* Make sure the theme requested is actually valid */
hr = MSSTYLES_OpenThemeFile(szCurrentTheme,
szCurrentColor[0]?szCurrentColor:NULL,
szCurrentSize[0]?szCurrentSize:NULL,
&pt);
if(FAILED(hr)) {
bThemeActive = FALSE;
szCurrentTheme[0] = '\0';
szCurrentColor[0] = '\0';
szCurrentSize[0] = '\0';
}
else {
/* Make sure the global color & size match the theme */
lstrcpynW(szCurrentColor, pt->pszSelectedColor, sizeof(szCurrentColor)/sizeof(szCurrentColor[0]));
lstrcpynW(szCurrentSize, pt->pszSelectedSize, sizeof(szCurrentSize)/sizeof(szCurrentSize[0]));
MSSTYLES_SetActiveTheme(pt, FALSE);
TRACE("Theme active: %s %s %s\n", debugstr_w(szCurrentTheme),
debugstr_w(szCurrentColor), debugstr_w(szCurrentSize));
MSSTYLES_CloseThemeFile(pt);
}
}
if(!bThemeActive) {
MSSTYLES_SetActiveTheme(NULL, FALSE);
TRACE("Theming not active\n");
}
}
/***********************************************************************/
static const char * const SysColorsNames[] =
{
"Scrollbar", /* COLOR_SCROLLBAR */
"Background", /* COLOR_BACKGROUND */
"ActiveTitle", /* COLOR_ACTIVECAPTION */
"InactiveTitle", /* COLOR_INACTIVECAPTION */
"Menu", /* COLOR_MENU */
"Window", /* COLOR_WINDOW */
"WindowFrame", /* COLOR_WINDOWFRAME */
"MenuText", /* COLOR_MENUTEXT */
"WindowText", /* COLOR_WINDOWTEXT */
"TitleText", /* COLOR_CAPTIONTEXT */
"ActiveBorder", /* COLOR_ACTIVEBORDER */
"InactiveBorder", /* COLOR_INACTIVEBORDER */
"AppWorkSpace", /* COLOR_APPWORKSPACE */
"Hilight", /* COLOR_HIGHLIGHT */
"HilightText", /* COLOR_HIGHLIGHTTEXT */
"ButtonFace", /* COLOR_BTNFACE */
"ButtonShadow", /* COLOR_BTNSHADOW */
"GrayText", /* COLOR_GRAYTEXT */
"ButtonText", /* COLOR_BTNTEXT */
"InactiveTitleText", /* COLOR_INACTIVECAPTIONTEXT */
"ButtonHilight", /* COLOR_BTNHIGHLIGHT */
"ButtonDkShadow", /* COLOR_3DDKSHADOW */
"ButtonLight", /* COLOR_3DLIGHT */
"InfoText", /* COLOR_INFOTEXT */
"InfoWindow", /* COLOR_INFOBK */
"ButtonAlternateFace", /* COLOR_ALTERNATEBTNFACE */
"HotTrackingColor", /* COLOR_HOTLIGHT */
"GradientActiveTitle", /* COLOR_GRADIENTACTIVECAPTION */
"GradientInactiveTitle", /* COLOR_GRADIENTINACTIVECAPTION */
"MenuHilight", /* COLOR_MENUHILIGHT */
"MenuBar", /* COLOR_MENUBAR */
};
static const WCHAR strColorKey[] =
{ 'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\',
'C','o','l','o','r','s',0 };
static const WCHAR keyFlatMenus[] = { 'F','l','a','t','M','e','n','u', 0};
static const WCHAR keyGradientCaption[] = { 'G','r','a','d','i','e','n','t',
'C','a','p','t','i','o','n', 0 };
static const WCHAR keyNonClientMetrics[] = { 'N','o','n','C','l','i','e','n','t',
'M','e','t','r','i','c','s',0 };
static const WCHAR keyIconTitleFont[] = { 'I','c','o','n','T','i','t','l','e',
'F','o','n','t',0 };
static const struct BackupSysParam
{
int spiGet, spiSet;
const WCHAR* keyName;
} backupSysParams[] =
{
{SPI_GETFLATMENU, SPI_SETFLATMENU, keyFlatMenus},
{SPI_GETGRADIENTCAPTIONS, SPI_SETGRADIENTCAPTIONS, keyGradientCaption},
{-1, -1, 0}
};
#define NUM_SYS_COLORS (COLOR_MENUBAR+1)
static void save_sys_colors (HKEY baseKey)
{
char colorStr[13];
HKEY hKey;
int i;
if (RegCreateKeyExW( baseKey, strColorKey,
0, 0, 0, KEY_ALL_ACCESS,
0, &hKey, 0 ) == ERROR_SUCCESS)
{
for (i = 0; i < NUM_SYS_COLORS; i++)
{
COLORREF col = GetSysColor (i);
sprintf (colorStr, "%d %d %d",
GetRValue (col), GetGValue (col), GetBValue (col));
RegSetValueExA (hKey, SysColorsNames[i], 0, REG_SZ,
(BYTE*)colorStr, strlen (colorStr)+1);
}
RegCloseKey (hKey);
}
}
/* Before activating a theme, query current system colors, certain settings
* and backup them in the registry, so they can be restored when the theme
* is deactivated */
static void UXTHEME_BackupSystemMetrics(void)
{
HKEY hKey;
const struct BackupSysParam* bsp = backupSysParams;
if (RegCreateKeyExW( HKEY_CURRENT_USER, szThemeManager,
0, 0, 0, KEY_ALL_ACCESS,
0, &hKey, 0) == ERROR_SUCCESS)
{
NONCLIENTMETRICSW ncm;
LOGFONTW iconTitleFont;
/* back up colors */
save_sys_colors (hKey);
/* back up "other" settings */
while (bsp->spiGet >= 0)
{
DWORD value;
SystemParametersInfoW (bsp->spiGet, 0, &value, 0);
RegSetValueExW (hKey, bsp->keyName, 0, REG_DWORD,
(LPBYTE)&value, sizeof (value));
bsp++;
}
/* back up non-client metrics */
memset (&ncm, 0, sizeof (ncm));
ncm.cbSize = sizeof (ncm);
SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, sizeof (ncm), &ncm, 0);
RegSetValueExW (hKey, keyNonClientMetrics, 0, REG_BINARY, (LPBYTE)&ncm,
sizeof (ncm));
memset (&iconTitleFont, 0, sizeof (iconTitleFont));
SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof (iconTitleFont),
&iconTitleFont, 0);
RegSetValueExW (hKey, keyIconTitleFont, 0, REG_BINARY,
(LPBYTE)&iconTitleFont, sizeof (iconTitleFont));
RegCloseKey (hKey);
}
}
/* Read back old settings after a theme was deactivated */
static void UXTHEME_RestoreSystemMetrics(void)
{
HKEY hKey;
const struct BackupSysParam* bsp = backupSysParams;
if (RegOpenKeyExW (HKEY_CURRENT_USER, szThemeManager,
0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{
HKEY colorKey;
/* read backed-up colors */
if (RegOpenKeyExW (hKey, strColorKey,
0, KEY_QUERY_VALUE, &colorKey) == ERROR_SUCCESS)
{
int i;
COLORREF sysCols[NUM_SYS_COLORS];
int sysColsIndices[NUM_SYS_COLORS];
int sysColCount = 0;
for (i = 0; i < NUM_SYS_COLORS; i++)
{
DWORD type;
char colorStr[13];
DWORD count = sizeof(colorStr);
if (RegQueryValueExA (colorKey, SysColorsNames[i], 0,
&type, (LPBYTE) colorStr, &count) == ERROR_SUCCESS)
{
int r, g, b;
if (sscanf (colorStr, "%d %d %d", &r, &g, &b) == 3)
{
sysColsIndices[sysColCount] = i;
sysCols[sysColCount] = RGB(r, g, b);
sysColCount++;
}
}
}
RegCloseKey (colorKey);
SetSysColors (sysColCount, sysColsIndices, sysCols);
}
/* read backed-up other settings */
while (bsp->spiGet >= 0)
{
DWORD value;
DWORD count = sizeof(value);
DWORD type;
if (RegQueryValueExW (hKey, bsp->keyName, 0,
&type, (LPBYTE)&value, &count) == ERROR_SUCCESS)
{
SystemParametersInfoW (bsp->spiSet, 0, UlongToPtr(value), SPIF_UPDATEINIFILE);
}
bsp++;
}
/* read backed-up non-client metrics */
{
NONCLIENTMETRICSW ncm;
LOGFONTW iconTitleFont;
DWORD count = sizeof(ncm);
DWORD type;
if (RegQueryValueExW (hKey, keyNonClientMetrics, 0,
&type, (LPBYTE)&ncm, &count) == ERROR_SUCCESS)
{
SystemParametersInfoW (SPI_SETNONCLIENTMETRICS,
count, &ncm, SPIF_UPDATEINIFILE);
}
count = sizeof(iconTitleFont);
if (RegQueryValueExW (hKey, keyIconTitleFont, 0,
&type, (LPBYTE)&iconTitleFont, &count) == ERROR_SUCCESS)
{
SystemParametersInfoW (SPI_SETICONTITLELOGFONT,
count, &iconTitleFont, SPIF_UPDATEINIFILE);
}
}
RegCloseKey (hKey);
}
}
/* Make system settings persistent, so they're in effect even w/o uxtheme
* loaded.
* For efficiency reasons, only the last SystemParametersInfoW sets
* SPIF_SENDWININICHANGE */
static void UXTHEME_SaveSystemMetrics(void)
{
const struct BackupSysParam* bsp = backupSysParams;
NONCLIENTMETRICSW ncm;
LOGFONTW iconTitleFont;
save_sys_colors (HKEY_CURRENT_USER);
while (bsp->spiGet >= 0)
{
DWORD value;
SystemParametersInfoW (bsp->spiGet, 0, &value, 0);
SystemParametersInfoW (bsp->spiSet, 0, UlongToPtr(value), SPIF_UPDATEINIFILE);
bsp++;
}
memset (&ncm, 0, sizeof (ncm));
ncm.cbSize = sizeof (ncm);
SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, sizeof (ncm), &ncm, 0);
SystemParametersInfoW (SPI_SETNONCLIENTMETRICS, sizeof (ncm), &ncm,
SPIF_UPDATEINIFILE);
memset (&iconTitleFont, 0, sizeof (iconTitleFont));
SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof (iconTitleFont),
&iconTitleFont, 0);
SystemParametersInfoW (SPI_SETICONTITLELOGFONT, sizeof (iconTitleFont),
&iconTitleFont, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
}
/***********************************************************************
* UXTHEME_SetActiveTheme
*
* Change the current active theme
*/
static HRESULT UXTHEME_SetActiveTheme(PTHEME_FILE tf)
{
HKEY hKey;
WCHAR tmp[2];
HRESULT hr;
if(tf && !bThemeActive) UXTHEME_BackupSystemMetrics();
hr = MSSTYLES_SetActiveTheme(tf, TRUE);
if(FAILED(hr))
return hr;
if(tf) {
bThemeActive = TRUE;
lstrcpynW(szCurrentTheme, tf->szThemeFile, sizeof(szCurrentTheme)/sizeof(szCurrentTheme[0]));
lstrcpynW(szCurrentColor, tf->pszSelectedColor, sizeof(szCurrentColor)/sizeof(szCurrentColor[0]));
lstrcpynW(szCurrentSize, tf->pszSelectedSize, sizeof(szCurrentSize)/sizeof(szCurrentSize[0]));
}
else {
UXTHEME_RestoreSystemMetrics();
bThemeActive = FALSE;
szCurrentTheme[0] = '\0';
szCurrentColor[0] = '\0';
szCurrentSize[0] = '\0';
}
TRACE("Writing theme config to registry\n");
if(!RegCreateKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
tmp[0] = bThemeActive?'1':'0';
tmp[1] = '\0';
RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (const BYTE*)tmp, sizeof(WCHAR)*2);
if(bThemeActive) {
RegSetValueExW(hKey, szColorName, 0, REG_SZ, (const BYTE*)szCurrentColor,
(lstrlenW(szCurrentColor)+1)*sizeof(WCHAR));
RegSetValueExW(hKey, szSizeName, 0, REG_SZ, (const BYTE*)szCurrentSize,
(lstrlenW(szCurrentSize)+1)*sizeof(WCHAR));
RegSetValueExW(hKey, szDllName, 0, REG_SZ, (const BYTE*)szCurrentTheme,
(lstrlenW(szCurrentTheme)+1)*sizeof(WCHAR));
}
else {
RegDeleteValueW(hKey, szColorName);
RegDeleteValueW(hKey, szSizeName);
RegDeleteValueW(hKey, szDllName);
}
RegCloseKey(hKey);
}
else
TRACE("Failed to open theme registry key\n");
UXTHEME_SaveSystemMetrics ();
return hr;
}
/***********************************************************************
* UXTHEME_InitSystem
*/
void UXTHEME_InitSystem(HINSTANCE hInst)
{
static const WCHAR szWindowTheme[] = {
'u','x','_','t','h','e','m','e','\0'
};
static const WCHAR szSubAppName[] = {
'u','x','_','s','u','b','a','p','p','\0'
};
static const WCHAR szSubIdList[] = {
'u','x','_','s','u','b','i','d','l','s','t','\0'
};
static const WCHAR szDialogThemeEnabled[] = {
'u','x','_','d','i','a','l','o','g','t','h','e','m','e','\0'
};
hDllInst = hInst;
atWindowTheme = GlobalAddAtomW(szWindowTheme);
atSubAppName = GlobalAddAtomW(szSubAppName);
atSubIdList = GlobalAddAtomW(szSubIdList);
atDialogThemeEnabled = GlobalAddAtomW(szDialogThemeEnabled);
UXTHEME_LoadTheme();
}
/***********************************************************************
* IsAppThemed (UXTHEME.@)
*/
BOOL WINAPI IsAppThemed(void)
{
return IsThemeActive();
}
/***********************************************************************
* IsThemeActive (UXTHEME.@)
*/
BOOL WINAPI IsThemeActive(void)
{
TRACE("\n");
SetLastError(ERROR_SUCCESS);
return bThemeActive;
}
/***********************************************************************
* EnableTheming (UXTHEME.@)
*
* NOTES
* This is a global and persistent change
*/
HRESULT WINAPI EnableTheming(BOOL fEnable)
{
HKEY hKey;
WCHAR szEnabled[] = {'0','\0'};
TRACE("(%d)\n", fEnable);
if(fEnable != bThemeActive) {
if(fEnable)
UXTHEME_BackupSystemMetrics();
else
UXTHEME_RestoreSystemMetrics();
UXTHEME_SaveSystemMetrics ();
bThemeActive = fEnable;
if(bThemeActive) szEnabled[0] = '1';
if(!RegOpenKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (LPBYTE)szEnabled, sizeof(WCHAR));
RegCloseKey(hKey);
}
UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
}
return S_OK;
}
/***********************************************************************
* UXTHEME_SetWindowProperty
*
* I'm using atoms as there may be large numbers of duplicated strings
* and they do the work of keeping memory down as a cause of that quite nicely
*/
static HRESULT UXTHEME_SetWindowProperty(HWND hwnd, ATOM aProp, LPCWSTR pszValue)
{
ATOM oldValue = (ATOM)(size_t)RemovePropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp));
if(oldValue)
DeleteAtom(oldValue);
if(pszValue) {
ATOM atValue = AddAtomW(pszValue);
if(!atValue
|| !SetPropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp), (LPWSTR)MAKEINTATOM(atValue))) {
HRESULT hr = HRESULT_FROM_WIN32(GetLastError());
if(atValue) DeleteAtom(atValue);
return hr;
}
}
return S_OK;
}
static LPWSTR UXTHEME_GetWindowProperty(HWND hwnd, ATOM aProp, LPWSTR pszBuffer, int dwLen)
{
ATOM atValue = (ATOM)(size_t)GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp));
if(atValue) {
if(GetAtomNameW(atValue, pszBuffer, dwLen))
return pszBuffer;
TRACE("property defined, but unable to get value\n");
}
return NULL;
}
/***********************************************************************
* OpenThemeDataEx (UXTHEME.61)
*/
HTHEME WINAPI OpenThemeDataEx(HWND hwnd, LPCWSTR pszClassList, DWORD flags)
{
WCHAR szAppBuff[256];
WCHAR szClassBuff[256];
LPCWSTR pszAppName;
LPCWSTR pszUseClassList;
HTHEME hTheme = NULL;
TRACE("(%p,%s, %x)\n", hwnd, debugstr_w(pszClassList), flags);
if(!pszClassList)
{
SetLastError(E_POINTER);
return NULL;
}
if(flags)
FIXME("unhandled flags: %x\n", flags);
if(bThemeActive)
{
pszAppName = UXTHEME_GetWindowProperty(hwnd, atSubAppName, szAppBuff, sizeof(szAppBuff)/sizeof(szAppBuff[0]));
/* If SetWindowTheme was used on the window, that overrides the class list passed to this function */
pszUseClassList = UXTHEME_GetWindowProperty(hwnd, atSubIdList, szClassBuff, sizeof(szClassBuff)/sizeof(szClassBuff[0]));
if(!pszUseClassList)
pszUseClassList = pszClassList;
if (pszUseClassList)
hTheme = MSSTYLES_OpenThemeClass(pszAppName, pszUseClassList);
}
if(IsWindow(hwnd))
SetPropW(hwnd, (LPCWSTR)MAKEINTATOM(atWindowTheme), hTheme);
TRACE(" = %p\n", hTheme);
return hTheme;
}
/***********************************************************************
* OpenThemeData (UXTHEME.@)
*/
HTHEME WINAPI OpenThemeData(HWND hwnd, LPCWSTR classlist)
{
return OpenThemeDataEx(hwnd, classlist, 0);
}
/***********************************************************************
* GetWindowTheme (UXTHEME.@)
*
* Retrieve the last theme opened for a window.
*
* PARAMS
* hwnd [I] window to retrieve the theme for
*
* RETURNS
* The most recent theme.
*/
HTHEME WINAPI GetWindowTheme(HWND hwnd)
{
TRACE("(%p)\n", hwnd);
return GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(atWindowTheme));
}
/***********************************************************************
* SetWindowTheme (UXTHEME.@)
*
* Persistent through the life of the window, even after themes change
*/
HRESULT WINAPI SetWindowTheme(HWND hwnd, LPCWSTR pszSubAppName,
LPCWSTR pszSubIdList)
{
HRESULT hr;
TRACE("(%p,%s,%s)\n", hwnd, debugstr_w(pszSubAppName),
debugstr_w(pszSubIdList));
hr = UXTHEME_SetWindowProperty(hwnd, atSubAppName, pszSubAppName);
if(SUCCEEDED(hr))
hr = UXTHEME_SetWindowProperty(hwnd, atSubIdList, pszSubIdList);
if(SUCCEEDED(hr))
UXTHEME_broadcast_msg (hwnd, WM_THEMECHANGED);
return hr;
}
/***********************************************************************
* GetCurrentThemeName (UXTHEME.@)
*/
HRESULT WINAPI GetCurrentThemeName(LPWSTR pszThemeFileName, int dwMaxNameChars,
LPWSTR pszColorBuff, int cchMaxColorChars,
LPWSTR pszSizeBuff, int cchMaxSizeChars)
{
if(!bThemeActive)
return E_PROP_ID_UNSUPPORTED;
if(pszThemeFileName) lstrcpynW(pszThemeFileName, szCurrentTheme, dwMaxNameChars);
if(pszColorBuff) lstrcpynW(pszColorBuff, szCurrentColor, cchMaxColorChars);
if(pszSizeBuff) lstrcpynW(pszSizeBuff, szCurrentSize, cchMaxSizeChars);
return S_OK;
}
/***********************************************************************
* GetThemeAppProperties (UXTHEME.@)
*/
DWORD WINAPI GetThemeAppProperties(void)
{
return dwThemeAppProperties;
}
/***********************************************************************
* SetThemeAppProperties (UXTHEME.@)
*/
void WINAPI SetThemeAppProperties(DWORD dwFlags)
{
TRACE("(0x%08x)\n", dwFlags);
dwThemeAppProperties = dwFlags;
}
/***********************************************************************
* CloseThemeData (UXTHEME.@)
*/
HRESULT WINAPI CloseThemeData(HTHEME hTheme)
{
TRACE("(%p)\n", hTheme);
if(!hTheme)
return E_HANDLE;
return MSSTYLES_CloseThemeClass(hTheme);
}
/***********************************************************************
* HitTestThemeBackground (UXTHEME.@)
*/
HRESULT WINAPI HitTestThemeBackground(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, DWORD dwOptions,
const RECT *pRect, HRGN hrgn,
POINT ptTest, WORD *pwHitTestCode)
{
FIXME("%d %d 0x%08x: stub\n", iPartId, iStateId, dwOptions);
if(!hTheme)
return E_HANDLE;
return ERROR_CALL_NOT_IMPLEMENTED;
}
/***********************************************************************
* IsThemePartDefined (UXTHEME.@)
*/
BOOL WINAPI IsThemePartDefined(HTHEME hTheme, int iPartId, int iStateId)
{
TRACE("(%p,%d,%d)\n", hTheme, iPartId, iStateId);
if(!hTheme) {
SetLastError(E_HANDLE);
return FALSE;
}
if(MSSTYLES_FindPartState(hTheme, iPartId, iStateId, NULL))
return TRUE;
return FALSE;
}
/***********************************************************************
* GetThemeDocumentationProperty (UXTHEME.@)
*
* Try and retrieve the documentation property from string resources
* if that fails, get it from the [documentation] section of themes.ini
*/
HRESULT WINAPI GetThemeDocumentationProperty(LPCWSTR pszThemeName,
LPCWSTR pszPropertyName,
LPWSTR pszValueBuff,
int cchMaxValChars)
{
const WORD wDocToRes[] = {
TMT_DISPLAYNAME,5000,
TMT_TOOLTIP,5001,
TMT_COMPANY,5002,
TMT_AUTHOR,5003,
TMT_COPYRIGHT,5004,
TMT_URL,5005,
TMT_VERSION,5006,
TMT_DESCRIPTION,5007
};
PTHEME_FILE pt;
HRESULT hr;
unsigned int i;
int iDocId;
TRACE("(%s,%s,%p,%d)\n", debugstr_w(pszThemeName), debugstr_w(pszPropertyName),
pszValueBuff, cchMaxValChars);
hr = MSSTYLES_OpenThemeFile(pszThemeName, NULL, NULL, &pt);
if(FAILED(hr)) return hr;
/* Try to load from string resources */
hr = E_PROP_ID_UNSUPPORTED;
if(MSSTYLES_LookupProperty(pszPropertyName, NULL, &iDocId)) {
for(i=0; i<sizeof(wDocToRes)/sizeof(wDocToRes[0]); i+=2) {
if(wDocToRes[i] == iDocId) {
if(LoadStringW(pt->hTheme, wDocToRes[i+1], pszValueBuff, cchMaxValChars)) {
hr = S_OK;
break;
}
}
}
}
/* If loading from string resource failed, try getting it from the theme.ini */
if(FAILED(hr)) {
PUXINI_FILE uf = MSSTYLES_GetThemeIni(pt);
if(UXINI_FindSection(uf, szIniDocumentation)) {
LPCWSTR lpValue;
DWORD dwLen;
if(UXINI_FindValue(uf, pszPropertyName, &lpValue, &dwLen)) {
lstrcpynW(pszValueBuff, lpValue, min(dwLen+1,cchMaxValChars));
hr = S_OK;
}
}
UXINI_CloseINI(uf);
}
MSSTYLES_CloseThemeFile(pt);
return hr;
}
/**********************************************************************
* Undocumented functions
*/
/**********************************************************************
* QueryThemeServices (UXTHEME.1)
*
* RETURNS
* some kind of status flag
*/
DWORD WINAPI QueryThemeServices(void)
{
FIXME("stub\n");
return 3; /* This is what is returned under XP in most cases */
}
/**********************************************************************
* OpenThemeFile (UXTHEME.2)
*
* Opens a theme file, which can be used to change the current theme, etc
*
* PARAMS
* pszThemeFileName Path to a msstyles theme file
* pszColorName Color defined in the theme, eg. NormalColor
* pszSizeName Size defined in the theme, eg. NormalSize
* hThemeFile Handle to theme file
*
* RETURNS
* Success: S_OK
* Failure: HRESULT error-code
*/
HRESULT WINAPI OpenThemeFile(LPCWSTR pszThemeFileName, LPCWSTR pszColorName,
LPCWSTR pszSizeName, HTHEMEFILE *hThemeFile,
DWORD unknown)
{
TRACE("(%s,%s,%s,%p,%d)\n", debugstr_w(pszThemeFileName),
debugstr_w(pszColorName), debugstr_w(pszSizeName),
hThemeFile, unknown);
return MSSTYLES_OpenThemeFile(pszThemeFileName, pszColorName, pszSizeName, (PTHEME_FILE*)hThemeFile);
}
/**********************************************************************
* CloseThemeFile (UXTHEME.3)
*
* Releases theme file handle returned by OpenThemeFile
*
* PARAMS
* hThemeFile Handle to theme file
*
* RETURNS
* Success: S_OK
* Failure: HRESULT error-code
*/
HRESULT WINAPI CloseThemeFile(HTHEMEFILE hThemeFile)
{
TRACE("(%p)\n", hThemeFile);
MSSTYLES_CloseThemeFile(hThemeFile);
return S_OK;
}
/**********************************************************************
* ApplyTheme (UXTHEME.4)
*
* Set a theme file to be the currently active theme
*
* PARAMS
* hThemeFile Handle to theme file
* unknown See notes
* hWnd Window requesting the theme change
*
* RETURNS
* Success: S_OK
* Failure: HRESULT error-code
*
* NOTES
* I'm not sure what the second parameter is (the datatype is likely wrong), other then this:
* Under XP if I pass
* char b[] = "";
* the theme is applied with the screen redrawing really badly (flickers)
* char b[] = "\0"; where \0 can be one or more of any character, makes no difference
* the theme is applied smoothly (screen does not flicker)
* char *b = "\0" or NULL; where \0 can be zero or more of any character, makes no difference
* the function fails returning invalid parameter... very strange
*/
HRESULT WINAPI ApplyTheme(HTHEMEFILE hThemeFile, char *unknown, HWND hWnd)
{
HRESULT hr;
TRACE("(%p,%s,%p)\n", hThemeFile, unknown, hWnd);
hr = UXTHEME_SetActiveTheme(hThemeFile);
UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
return hr;
}
/**********************************************************************
* GetThemeDefaults (UXTHEME.7)
*
* Get the default color & size for a theme
*
* PARAMS
* pszThemeFileName Path to a msstyles theme file
* pszColorName Buffer to receive the default color name
* dwColorNameLen Length, in characters, of color name buffer
* pszSizeName Buffer to receive the default size name
* dwSizeNameLen Length, in characters, of size name buffer
*
* RETURNS
* Success: S_OK
* Failure: HRESULT error-code
*/
HRESULT WINAPI GetThemeDefaults(LPCWSTR pszThemeFileName, LPWSTR pszColorName,
DWORD dwColorNameLen, LPWSTR pszSizeName,
DWORD dwSizeNameLen)
{
PTHEME_FILE pt;
HRESULT hr;
TRACE("(%s,%p,%d,%p,%d)\n", debugstr_w(pszThemeFileName),
pszColorName, dwColorNameLen,
pszSizeName, dwSizeNameLen);
hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, NULL, &pt);
if(FAILED(hr)) return hr;
lstrcpynW(pszColorName, pt->pszSelectedColor, dwColorNameLen);
lstrcpynW(pszSizeName, pt->pszSelectedSize, dwSizeNameLen);
MSSTYLES_CloseThemeFile(pt);
return S_OK;
}
/**********************************************************************
* EnumThemes (UXTHEME.8)
*
* Enumerate available themes, calls specified EnumThemeProc for each
* theme found. Passes lpData through to callback function.
*
* PARAMS
* pszThemePath Path containing themes
* callback Called for each theme found in path
* lpData Passed through to callback
*
* RETURNS
* Success: S_OK
* Failure: HRESULT error-code
*/
HRESULT WINAPI EnumThemes(LPCWSTR pszThemePath, EnumThemeProc callback,
LPVOID lpData)
{
WCHAR szDir[MAX_PATH];
WCHAR szPath[MAX_PATH];
static const WCHAR szStar[] = {'*','.','*','\0'};
static const WCHAR szFormat[] = {'%','s','%','s','\\','%','s','.','m','s','s','t','y','l','e','s','\0'};
static const WCHAR szDisplayName[] = {'d','i','s','p','l','a','y','n','a','m','e','\0'};
static const WCHAR szTooltip[] = {'t','o','o','l','t','i','p','\0'};
WCHAR szName[60];
WCHAR szTip[60];
HANDLE hFind;
WIN32_FIND_DATAW wfd;
HRESULT hr;
size_t pathLen;
TRACE("(%s,%p,%p)\n", debugstr_w(pszThemePath), callback, lpData);
if(!pszThemePath || !callback)
return E_POINTER;
lstrcpyW(szDir, pszThemePath);
pathLen = lstrlenW (szDir);
if ((pathLen > 0) && (pathLen < MAX_PATH-1) && (szDir[pathLen - 1] != '\\'))
{
szDir[pathLen] = '\\';
szDir[pathLen+1] = 0;
}
lstrcpyW(szPath, szDir);
lstrcatW(szPath, szStar);
TRACE("searching %s\n", debugstr_w(szPath));
hFind = FindFirstFileW(szPath, &wfd);
if(hFind != INVALID_HANDLE_VALUE) {
do {
if(wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
&& !(wfd.cFileName[0] == '.' && ((wfd.cFileName[1] == '.' && wfd.cFileName[2] == 0) || wfd.cFileName[1] == 0))) {
wsprintfW(szPath, szFormat, szDir, wfd.cFileName, wfd.cFileName);
hr = GetThemeDocumentationProperty(szPath, szDisplayName, szName, sizeof(szName)/sizeof(szName[0]));
if(SUCCEEDED(hr))
hr = GetThemeDocumentationProperty(szPath, szTooltip, szTip, sizeof(szTip)/sizeof(szTip[0]));
if(SUCCEEDED(hr)) {
TRACE("callback(%s,%s,%s,%p)\n", debugstr_w(szPath), debugstr_w(szName), debugstr_w(szTip), lpData);
if(!callback(NULL, szPath, szName, szTip, NULL, lpData)) {
TRACE("callback ended enum\n");
break;
}
}
}
} while(FindNextFileW(hFind, &wfd));
FindClose(hFind);
}
return S_OK;
}
/**********************************************************************
* EnumThemeColors (UXTHEME.9)
*
* Enumerate theme colors available with a particular size
*
* PARAMS
* pszThemeFileName Path to a msstyles theme file
* pszSizeName Theme size to enumerate available colors
* If NULL the default theme size is used
* dwColorNum Color index to retrieve, increment from 0
* pszColorNames Output color names
*
* RETURNS
* S_OK on success
* E_PROP_ID_UNSUPPORTED when dwColorName does not refer to a color
* or when pszSizeName does not refer to a valid size
*
* NOTES
* XP fails with E_POINTER when pszColorNames points to a buffer smaller than
* sizeof(THEMENAMES).
*
* Not very efficient that I'm opening & validating the theme every call, but
* this is undocumented and almost never called..
* (and this is how windows works too)
*/
HRESULT WINAPI EnumThemeColors(LPWSTR pszThemeFileName, LPWSTR pszSizeName,
DWORD dwColorNum, PTHEMENAMES pszColorNames)
{
PTHEME_FILE pt;
HRESULT hr;
LPWSTR tmp;
UINT resourceId = dwColorNum + 1000;
TRACE("(%s,%s,%d)\n", debugstr_w(pszThemeFileName),
debugstr_w(pszSizeName), dwColorNum);
hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, pszSizeName, &pt);
if(FAILED(hr)) return hr;
tmp = pt->pszAvailColors;
while(dwColorNum && *tmp) {
dwColorNum--;
tmp += lstrlenW(tmp)+1;
}
if(!dwColorNum && *tmp) {
TRACE("%s\n", debugstr_w(tmp));
lstrcpyW(pszColorNames->szName, tmp);
LoadStringW (pt->hTheme, resourceId,
pszColorNames->szDisplayName,
sizeof (pszColorNames->szDisplayName) / sizeof (WCHAR));
LoadStringW (pt->hTheme, resourceId+1000,
pszColorNames->szTooltip,
sizeof (pszColorNames->szTooltip) / sizeof (WCHAR));
}
else
hr = E_PROP_ID_UNSUPPORTED;
MSSTYLES_CloseThemeFile(pt);
return hr;
}
/**********************************************************************
* EnumThemeSizes (UXTHEME.10)
*
* Enumerate theme colors available with a particular size
*
* PARAMS
* pszThemeFileName Path to a msstyles theme file
* pszColorName Theme color to enumerate available sizes
* If NULL the default theme color is used
* dwSizeNum Size index to retrieve, increment from 0
* pszSizeNames Output size names
*
* RETURNS
* S_OK on success
* E_PROP_ID_UNSUPPORTED when dwSizeName does not refer to a size
* or when pszColorName does not refer to a valid color
*
* NOTES
* XP fails with E_POINTER when pszSizeNames points to a buffer smaller than
* sizeof(THEMENAMES).
*
* Not very efficient that I'm opening & validating the theme every call, but
* this is undocumented and almost never called..
* (and this is how windows works too)
*/
HRESULT WINAPI EnumThemeSizes(LPWSTR pszThemeFileName, LPWSTR pszColorName,
DWORD dwSizeNum, PTHEMENAMES pszSizeNames)
{
PTHEME_FILE pt;
HRESULT hr;
LPWSTR tmp;
UINT resourceId = dwSizeNum + 3000;
TRACE("(%s,%s,%d)\n", debugstr_w(pszThemeFileName),
debugstr_w(pszColorName), dwSizeNum);
hr = MSSTYLES_OpenThemeFile(pszThemeFileName, pszColorName, NULL, &pt);
if(FAILED(hr)) return hr;
tmp = pt->pszAvailSizes;
while(dwSizeNum && *tmp) {
dwSizeNum--;
tmp += lstrlenW(tmp)+1;
}
if(!dwSizeNum && *tmp) {
TRACE("%s\n", debugstr_w(tmp));
lstrcpyW(pszSizeNames->szName, tmp);
LoadStringW (pt->hTheme, resourceId,
pszSizeNames->szDisplayName,
sizeof (pszSizeNames->szDisplayName) / sizeof (WCHAR));
LoadStringW (pt->hTheme, resourceId+1000,
pszSizeNames->szTooltip,
sizeof (pszSizeNames->szTooltip) / sizeof (WCHAR));
}
else
hr = E_PROP_ID_UNSUPPORTED;
MSSTYLES_CloseThemeFile(pt);
return hr;
}
/**********************************************************************
* ParseThemeIniFile (UXTHEME.11)
*
* Enumerate data in a theme INI file.
*
* PARAMS
* pszIniFileName Path to a theme ini file
* pszUnknown Cannot be NULL, L"" is valid
* callback Called for each found entry
* lpData Passed through to callback
*
* RETURNS
* S_OK on success
* 0x800706488 (Unknown property) when enumeration is canceled from callback
*
* NOTES
* When pszUnknown is NULL the callback is never called, the value does not seem to serve
* any other purpose
*/
HRESULT WINAPI ParseThemeIniFile(LPCWSTR pszIniFileName, LPWSTR pszUnknown,
ParseThemeIniFileProc callback, LPVOID lpData)
{
FIXME("%s %s: stub\n", debugstr_w(pszIniFileName), debugstr_w(pszUnknown));
return ERROR_CALL_NOT_IMPLEMENTED;
}
/**********************************************************************
* CheckThemeSignature (UXTHEME.29)
*
* Validates the signature of a theme file
*
* PARAMS
* pszIniFileName Path to a theme file
*
* RETURNS
* Success: S_OK
* Failure: HRESULT error-code
*/
HRESULT WINAPI CheckThemeSignature(LPCWSTR pszThemeFileName)
{
PTHEME_FILE pt;
HRESULT hr;
TRACE("(%s)\n", debugstr_w(pszThemeFileName));
hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, NULL, &pt);
if(FAILED(hr))
return hr;
MSSTYLES_CloseThemeFile(pt);
return S_OK;
}
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