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WinRT: added SDL_HINT_WINRT_PREF_PATH_ROOT

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SDL_HINT_WINRT_PREF_PATH_ROOT allows WinRT apps to alter the path that
SDL_GetPrefPath() returns.  Setting it to "local" uses the app's
OS-defined Local folder, setting it to "roaming" uses the app's OS-defined
Roaming folder.

Roaming folder support is not available in Windows Phone 8.0.  Attempts to
make SDL_GetPrefPath() return a Roaming folder on this OS will be ignored.

Various bits of documentation on this were added to SDL_hints.h, and to
README-winrt.md
This commit is contained in:
David Ludwig 2014-11-27 09:55:34 -05:00
parent bca0f114eb
commit fda1375d4e
3 changed files with 63 additions and 2 deletions
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18
src/filesystem/winrt/SDL_sysfilesystem.cpp
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@ -28,6 +28,7 @@
extern "C" {
#include "SDL_filesystem.h"
#include "SDL_error.h"
#include "SDL_hints.h"
#include "SDL_stdinc.h"
#include "SDL_system.h"
#include "../../core/windows/SDL_windows.h"
@ -149,13 +150,26 @@ SDL_GetPrefPath(const char *org, const char *app)
* compatibility with Windows Phone 8.0, and with app-installs that have
* been updated from 8.0-based, to 8.1-based apps.
*/
const char * srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_LOCAL_FOLDER);
SDL_WinRT_Path pathType = SDL_WINRT_PATH_LOCAL_FOLDER;
#else
/* A 'Roaming' folder is available on Windows 8 and 8.1. Use that.
*/
const char * srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_ROAMING_FOLDER);
SDL_WinRT_Path pathType = SDL_WINRT_PATH_ROAMING_FOLDER;
#endif
const char * hint = SDL_GetHint(SDL_HINT_WINRT_PREF_PATH_ROOT);
if (hint) {
if (SDL_strcasecmp(hint, "local") == 0) {
pathType = SDL_WINRT_PATH_LOCAL_FOLDER;
}
#if (WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP) || (NTDDI_VERSION > NTDDI_WIN8)
else if (SDL_strcasecmp(hint, "roaming") == 0) {
pathType = SDL_WINRT_PATH_ROAMING_FOLDER;
}
#endif
}
const char * srcPath = SDL_WinRTGetFSPathUTF8(pathType);
size_t destPathLen;
char * destPath = NULL;