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Reset dead keys when the SDL window loses focus, so dead keys pressed in SDL applications don't affect text input into other applications.

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This commit is contained in:
Sam Lantinga 2016-10-01 12:17:42 -07:00
parent 1e6e595484
commit 0b576962ca
3 changed files with 6 additions and 7 deletions
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1
src/video/windows/SDL_windowsevents.c
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@ -451,6 +451,7 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
if (SDL_GetKeyboardFocus() == data->window) { if (SDL_GetKeyboardFocus() == data->window) {
SDL_SetKeyboardFocus(NULL); SDL_SetKeyboardFocus(NULL);
WIN_ResetDeadKeys();
} }
ClipCursor(NULL); ClipCursor(NULL);

10
src/video/windows/SDL_windowskeyboard.c
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@ -165,7 +165,6 @@ WIN_ResetDeadKeys()
this tries to undo the effect pressing the deadkey. this tries to undo the effect pressing the deadkey.
see: http://archives.miloush.net/michkap/archive/2006/09/10/748775.html see: http://archives.miloush.net/michkap/archive/2006/09/10/748775.html
*/ */
BYTE keyboardState[256]; BYTE keyboardState[256];
WCHAR buffer[16]; WCHAR buffer[16];
int keycode, scancode, result, i; int keycode, scancode, result, i;
@ -174,17 +173,14 @@ WIN_ResetDeadKeys()
keycode = VK_SPACE; keycode = VK_SPACE;
scancode = MapVirtualKey(keycode, MAPVK_VK_TO_VSC); scancode = MapVirtualKey(keycode, MAPVK_VK_TO_VSC);
if (scancode == 0) if (scancode == 0) {
{
/* the keyboard doesn't have this key */ /* the keyboard doesn't have this key */
return; return;
} }
for (i = 0; i < 5; i++) for (i = 0; i < 5; i++) {
{
result = ToUnicode(keycode, scancode, keyboardState, (LPWSTR)buffer, 16, 0); result = ToUnicode(keycode, scancode, keyboardState, (LPWSTR)buffer, 16, 0);
if (result > 0) if (result > 0) {
{
/* success */ /* success */
return; return;
} }

2
src/video/windows/SDL_windowskeyboard.h
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@ -27,6 +27,8 @@ extern void WIN_InitKeyboard(_THIS);
extern void WIN_UpdateKeymap(void); extern void WIN_UpdateKeymap(void);
extern void WIN_QuitKeyboard(_THIS); extern void WIN_QuitKeyboard(_THIS);
extern void WIN_ResetDeadKeys(void);
extern void WIN_StartTextInput(_THIS); extern void WIN_StartTextInput(_THIS);
extern void WIN_StopTextInput(_THIS); extern void WIN_StopTextInput(_THIS);
extern void WIN_SetTextInputRect(_THIS, SDL_Rect *rect); extern void WIN_SetTextInputRect(_THIS, SDL_Rect *rect);