The keycode in key events is the base, unmodified, keycode for the current keyboard layout

This commit is contained in:
Sam Lantinga
2024-06-30 19:58:48 -07:00
parent 5755bde3b8
commit d9dc4b320a
15 changed files with 125 additions and 160 deletions

View File

@@ -302,11 +302,6 @@ class SDL_BLooper : public BLooper
return;
}
/* Make sure this isn't a repeated event (key pressed and held) */
if (state == SDL_PRESSED && HAIKU_GetKeyState(scancode) == SDL_PRESSED) {
return;
}
HAIKU_SetKeyState(scancode, state);
SDL_SendKeyboardKey(0, SDL_DEFAULT_KEYBOARD_ID, scancode, HAIKU_GetScancodeFromBeKey(scancode), state);
win = GetSDLWindow(winID);

View File

@@ -314,7 +314,7 @@ void SDL_EVDEV_Poll(void)
struct input_event events[32];
int i, j, len;
SDL_evdevlist_item *item;
SDL_Scancode scan_code;
SDL_Scancode scancode;
int mouse_button;
SDL_Mouse *mouse;
float norm_x, norm_y, norm_pressure;
@@ -372,11 +372,11 @@ void SDL_EVDEV_Poll(void)
}
/* Probably keyboard */
scan_code = SDL_EVDEV_translate_keycode(event->code);
scancode = SDL_EVDEV_translate_keycode(event->code);
if (event->value == 0) {
SDL_SendKeyboardKey(SDL_EVDEV_GetEventTimestamp(event), (SDL_KeyboardID)item->fd, event->code, scan_code, SDL_RELEASED);
SDL_SendKeyboardKey(SDL_EVDEV_GetEventTimestamp(event), (SDL_KeyboardID)item->fd, event->code, scancode, SDL_RELEASED);
} else if (event->value == 1 || event->value == 2 /* key repeated */) {
SDL_SendKeyboardKey(SDL_EVDEV_GetEventTimestamp(event), (SDL_KeyboardID)item->fd, event->code, scan_code, SDL_PRESSED);
SDL_SendKeyboardKey(SDL_EVDEV_GetEventTimestamp(event), (SDL_KeyboardID)item->fd, event->code, scancode, SDL_PRESSED);
}
SDL_EVDEV_kbd_keycode(_this->kbd, event->code, event->value);
break;

View File

@@ -37,10 +37,9 @@
#define KEYBOARD_SOURCE_MASK (KEYBOARD_HARDWARE | KEYBOARD_AUTORELEASE)
#define KEYCODE_OPTION_APPLY_MODIFIERS 0x01
#define KEYCODE_OPTION_FRENCH_NUMBERS 0x02
#define KEYCODE_OPTION_LATIN_LETTERS 0x04
#define DEFAULT_KEYCODE_OPTIONS (KEYCODE_OPTION_APPLY_MODIFIERS | KEYCODE_OPTION_FRENCH_NUMBERS)
#define KEYCODE_OPTION_FRENCH_NUMBERS 0x01
#define KEYCODE_OPTION_LATIN_LETTERS 0x02
#define DEFAULT_KEYCODE_OPTIONS (KEYCODE_OPTION_FRENCH_NUMBERS)
typedef struct SDL_KeyboardInstance
{
@@ -61,6 +60,7 @@ typedef struct SDL_Keyboard
Uint32 keycode_options;
SDL_bool autorelease_pending;
Uint64 hardware_timestamp;
int next_reserved_scancode;
} SDL_Keyboard;
static SDL_Keyboard SDL_keyboard;
@@ -73,16 +73,13 @@ static void SDLCALL SDL_KeycodeOptionsChanged(void *userdata, const char *name,
if (hint && *hint) {
keyboard->keycode_options = 0;
if (SDL_strstr(hint, "unmodified")) {
keyboard->keycode_options &= ~KEYCODE_OPTION_APPLY_MODIFIERS;
} else if (SDL_strstr(hint, "modified")) {
keyboard->keycode_options |= KEYCODE_OPTION_APPLY_MODIFIERS;
}
if (SDL_strstr(hint, "french_numbers")) {
keyboard->keycode_options |= KEYCODE_OPTION_FRENCH_NUMBERS;
}
if (SDL_strstr(hint, "latin_letters")) {
keyboard->keycode_options |= KEYCODE_OPTION_LATIN_LETTERS;
if (!SDL_strstr(hint, "none")) {
if (SDL_strstr(hint, "french_numbers")) {
keyboard->keycode_options |= KEYCODE_OPTION_FRENCH_NUMBERS;
}
if (SDL_strstr(hint, "latin_letters")) {
keyboard->keycode_options |= KEYCODE_OPTION_LATIN_LETTERS;
}
}
} else {
keyboard->keycode_options = DEFAULT_KEYCODE_OPTIONS;
@@ -258,6 +255,32 @@ void SDL_SetKeymap(SDL_Keymap *keymap, SDL_bool send_event)
}
}
static SDL_Scancode GetNextReservedScancode(void)
{
SDL_Keyboard *keyboard = &SDL_keyboard;
SDL_Scancode scancode;
if (keyboard->next_reserved_scancode && keyboard->next_reserved_scancode < SDL_SCANCODE_RESERVED + 100) {
scancode = (SDL_Scancode)keyboard->next_reserved_scancode;
} else {
scancode = SDL_SCANCODE_RESERVED;
}
keyboard->next_reserved_scancode = (int)scancode + 1;
return scancode;
}
static void SetKeymapEntry(SDL_Scancode scancode, SDL_Keymod modstate, SDL_Keycode keycode)
{
SDL_Keyboard *keyboard = &SDL_keyboard;
if (!keyboard->keymap) {
keyboard->keymap = SDL_CreateKeymap();
}
SDL_SetKeymapEntry(keyboard->keymap, scancode, modstate, keycode);
}
SDL_Window *SDL_GetKeyboardFocus(void)
{
SDL_Keyboard *keyboard = &SDL_keyboard;
@@ -309,23 +332,21 @@ int SDL_SetKeyboardFocus(SDL_Window *window)
static SDL_Keycode SDL_GetEventKeycode(SDL_Keyboard *keyboard, SDL_Scancode scancode, SDL_Keymod modstate)
{
SDL_Keycode keycode;
SDL_bool shifted = (modstate & SDL_KMOD_SHIFT) != 0;
// We won't be applying any modifiers by default
modstate = SDL_KMOD_NONE;
if (scancode >= SDL_SCANCODE_A && scancode <= SDL_SCANCODE_Z) {
if (keyboard->non_latin_letters && (keyboard->keycode_options & KEYCODE_OPTION_LATIN_LETTERS)) {
if (keyboard->keycode_options & KEYCODE_OPTION_APPLY_MODIFIERS) {
keycode = SDL_GetDefaultKeyFromScancode(scancode, modstate);
} else {
keycode = SDL_GetDefaultKeyFromScancode(scancode, SDL_KMOD_NONE);
}
return keycode;
return SDL_GetDefaultKeyFromScancode(scancode, modstate);
}
}
if (scancode >= SDL_SCANCODE_1 && scancode <= SDL_SCANCODE_0) {
if (keyboard->french_numbers && (keyboard->keycode_options & KEYCODE_OPTION_FRENCH_NUMBERS)) {
// Invert the shift state to generate the correct keycode
if (modstate & SDL_KMOD_SHIFT) {
if (shifted) {
modstate &= ~SDL_KMOD_SHIFT;
} else {
modstate |= SDL_KMOD_SHIFT;
@@ -333,19 +354,14 @@ static SDL_Keycode SDL_GetEventKeycode(SDL_Keyboard *keyboard, SDL_Scancode scan
}
}
if (keyboard->keycode_options & KEYCODE_OPTION_APPLY_MODIFIERS) {
keycode = SDL_GetKeyFromScancode(scancode, modstate);
} else {
keycode = SDL_GetKeyFromScancode(scancode, SDL_KMOD_NONE);
}
return keycode;
return SDL_GetKeyFromScancode(scancode, modstate);
}
static int SDL_SendKeyboardKeyInternal(Uint64 timestamp, Uint32 flags, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, SDL_Keycode keycode, Uint8 state)
static int SDL_SendKeyboardKeyInternal(Uint64 timestamp, Uint32 flags, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, Uint8 state)
{
SDL_Keyboard *keyboard = &SDL_keyboard;
int posted;
SDL_Keymod modifier;
SDL_Keycode keycode = SDLK_UNKNOWN;
Uint32 type;
Uint8 repeat = SDL_FALSE;
const Uint8 source = flags & KEYBOARD_SOURCE_MASK;
@@ -368,7 +384,7 @@ static int SDL_SendKeyboardKeyInternal(Uint64 timestamp, Uint32 flags, SDL_Keybo
return 0;
}
if (scancode != SDL_SCANCODE_UNKNOWN && scancode < SDL_NUM_SCANCODES) {
if (scancode > SDL_SCANCODE_UNKNOWN && scancode < SDL_NUM_SCANCODES) {
/* Drop events that don't change state */
if (state) {
if (keyboard->keystate[scancode]) {
@@ -389,11 +405,9 @@ static int SDL_SendKeyboardKeyInternal(Uint64 timestamp, Uint32 flags, SDL_Keybo
/* Update internal keyboard state */
keyboard->keystate[scancode] = state;
if (keycode == SDLK_UNKNOWN) {
keycode = SDL_GetEventKeycode(keyboard, scancode, keyboard->modstate);
}
keycode = SDL_GetEventKeycode(keyboard, scancode, keyboard->modstate);
} else if (keycode == SDLK_UNKNOWN && rawcode == 0) {
} else if (rawcode == 0) {
/* Nothing to do! */
return 0;
}
@@ -406,6 +420,8 @@ static int SDL_SendKeyboardKeyInternal(Uint64 timestamp, Uint32 flags, SDL_Keybo
/* Update modifiers state if applicable */
if (!(flags & KEYBOARD_IGNOREMODIFIERS) && !repeat) {
SDL_Keymod modifier;
switch (keycode) {
case SDLK_LCTRL:
modifier = SDL_KMOD_LCTRL;
@@ -496,48 +512,53 @@ static int SDL_SendKeyboardKeyInternal(Uint64 timestamp, Uint32 flags, SDL_Keybo
int SDL_SendKeyboardUnicodeKey(Uint64 timestamp, Uint32 ch)
{
SDL_Keymod modstate = SDL_KMOD_NONE;
SDL_Scancode scancode = SDL_GetDefaultScancodeFromKey(ch, &modstate);
SDL_Scancode scancode = SDL_GetScancodeFromKey(ch, &modstate);
// Make sure we have this keycode in our keymap
if (scancode == SDL_SCANCODE_UNKNOWN && ch < SDLK_SCANCODE_MASK) {
scancode = GetNextReservedScancode();
SetKeymapEntry(scancode, modstate, ch);
}
if (modstate & SDL_KMOD_SHIFT) {
/* If the character uses shift, press shift down */
SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, SDL_SCANCODE_LSHIFT, SDLK_LSHIFT, SDL_PRESSED);
SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, SDL_SCANCODE_LSHIFT, SDL_PRESSED);
}
/* Send a keydown and keyup for the character */
SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, ch, SDL_PRESSED);
SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, ch, SDL_RELEASED);
SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, SDL_PRESSED);
SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, SDL_RELEASED);
if (modstate & SDL_KMOD_SHIFT) {
/* If the character uses shift, release shift */
SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, SDL_SCANCODE_LSHIFT, SDLK_LSHIFT, SDL_RELEASED);
SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, SDL_SCANCODE_LSHIFT, SDL_RELEASED);
}
return 0;
}
int SDL_SendVirtualKeyboardKey(Uint64 timestamp, Uint8 state, SDL_Scancode scancode)
{
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_VIRTUAL, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, SDLK_UNKNOWN, state);
}
int SDL_SendKeyboardKey(Uint64 timestamp, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, Uint8 state)
{
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_HARDWARE, keyboardID, rawcode, scancode, SDLK_UNKNOWN, state);
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_HARDWARE, keyboardID, rawcode, scancode, state);
}
int SDL_SendKeyboardKeyAndKeycode(Uint64 timestamp, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, SDL_Keycode keycode, Uint8 state)
{
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_HARDWARE, keyboardID, rawcode, scancode, keycode, state);
}
if (state == SDL_PRESSED) {
// Make sure we have this keycode in our keymap
SetKeymapEntry(scancode, SDL_GetModState(), keycode);
}
int SDL_SendKeyboardKeyAutoRelease(Uint64 timestamp, SDL_Scancode scancode)
{
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_AUTORELEASE, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, SDLK_UNKNOWN, SDL_PRESSED);
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_HARDWARE, keyboardID, rawcode, scancode, state);
}
int SDL_SendKeyboardKeyIgnoreModifiers(Uint64 timestamp, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, Uint8 state)
{
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_HARDWARE | KEYBOARD_IGNOREMODIFIERS, keyboardID, rawcode, scancode, SDLK_UNKNOWN, state);
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_HARDWARE | KEYBOARD_IGNOREMODIFIERS, keyboardID, rawcode, scancode, state);
}
int SDL_SendKeyboardKeyAutoRelease(Uint64 timestamp, SDL_Scancode scancode)
{
return SDL_SendKeyboardKeyInternal(timestamp, KEYBOARD_AUTORELEASE, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, SDL_PRESSED);
}
void SDL_ReleaseAutoReleaseKeys(void)
@@ -548,7 +569,7 @@ void SDL_ReleaseAutoReleaseKeys(void)
if (keyboard->autorelease_pending) {
for (scancode = SDL_SCANCODE_UNKNOWN; scancode < SDL_NUM_SCANCODES; ++scancode) {
if (keyboard->keysource[scancode] == KEYBOARD_AUTORELEASE) {
SDL_SendKeyboardKeyInternal(0, KEYBOARD_AUTORELEASE, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, SDLK_UNKNOWN, SDL_RELEASED);
SDL_SendKeyboardKeyInternal(0, KEYBOARD_AUTORELEASE, SDL_GLOBAL_KEYBOARD_ID, 0, scancode, SDL_RELEASED);
}
}
keyboard->autorelease_pending = SDL_FALSE;

View File

@@ -54,13 +54,10 @@ extern int SDL_SetKeyboardFocus(SDL_Window *window);
*/
extern int SDL_SendKeyboardUnicodeKey(Uint64 timestamp, Uint32 ch);
/* Send a key from a virtual key source, like an on-screen keyboard */
extern int SDL_SendVirtualKeyboardKey(Uint64 timestamp, Uint8 state, SDL_Scancode scancode);
/* Send a keyboard key event */
extern int SDL_SendKeyboardKey(Uint64 timestamp, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, Uint8 state);
extern int SDL_SendKeyboardKeyAutoRelease(Uint64 timestamp, SDL_Scancode scancode);
extern int SDL_SendKeyboardKeyIgnoreModifiers(Uint64 timestamp, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, Uint8 state);
extern int SDL_SendKeyboardKeyAutoRelease(Uint64 timestamp, SDL_Scancode scancode);
/* This is for platforms that don't know the keymap but can report scancode and keycode directly.
Most platforms should prefer to optionally call SDL_SetKeymap and then use SDL_SendKeyboardKey. */

View File

@@ -69,11 +69,18 @@ void SDL_SetKeymapEntry(SDL_Keymap *keymap, SDL_Scancode scancode, SDL_Keymod mo
return;
}
if (keycode == SDL_GetDefaultKeyFromScancode(scancode, modstate)) {
if (keycode == SDL_GetKeymapKeycode(keymap, scancode, modstate)) {
return;
}
Uint32 key = ((Uint32)NormalizeModifierStateForKeymap(modstate) << 16) | scancode;
const void *value;
if (SDL_FindInHashTable(keymap->scancode_to_keycode, (void *)(uintptr_t)key, &value)) {
// Changing the mapping, need to remove the existing entry from the keymap
SDL_RemoveFromHashTable(keymap->scancode_to_keycode, (void *)(uintptr_t)key);
SDL_RemoveFromHashTable(keymap->keycode_to_scancode, value);
}
SDL_InsertIntoHashTable(keymap->scancode_to_keycode, (void *)(uintptr_t)key, (void *)(uintptr_t)keycode);
SDL_InsertIntoHashTable(keymap->keycode_to_scancode, (void *)(uintptr_t)keycode, (void *)(uintptr_t)key);
}
@@ -254,11 +261,11 @@ SDL_Scancode SDL_GetDefaultScancodeFromKey(SDL_Keycode key, SDL_Keymod *modstate
return (SDL_Scancode)(SDL_SCANCODE_A + key - SDLK_a);
}
if (key >= SDLK_Z && key <= SDLK_Z) {
if (key >= 'A' && key <= 'Z') {
if (modstate) {
*modstate = SDL_KMOD_SHIFT;
}
return (SDL_Scancode)(SDL_SCANCODE_A + key - SDLK_Z);
return (SDL_Scancode)(SDL_SCANCODE_A + key - 'Z');
}
for (int i = 0; i < SDL_arraysize(normal_default_symbols); ++i) {

View File

@@ -2206,7 +2206,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_O:
case SDLK_o:
if (withControl) {
/* Ctrl-O (or Ctrl-Shift-O) changes window opacity. */
@@ -2224,7 +2223,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_H:
case SDLK_h:
if (withControl) {
/* Ctrl-H changes cursor visibility. */
@@ -2235,7 +2233,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_C:
case SDLK_c:
if (withAlt) {
/* Alt-C copy awesome text to the primary selection! */
@@ -2261,7 +2258,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
break;
}
break;
case SDLK_V:
case SDLK_v:
if (withAlt) {
/* Alt-V paste awesome text from the primary selection! */
@@ -2289,7 +2285,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_F:
case SDLK_f:
if (withControl) {
/* Ctrl-F flash the window */
@@ -2299,7 +2294,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_G:
case SDLK_g:
if (withControl) {
/* Ctrl-G toggle mouse grab */
@@ -2309,7 +2303,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_K:
case SDLK_k:
if (withControl) {
/* Ctrl-K toggle keyboard grab */
@@ -2319,7 +2312,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_M:
case SDLK_m:
if (withControl) {
/* Ctrl-M maximize */
@@ -2342,14 +2334,12 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_R:
case SDLK_r:
if (withControl) {
/* Ctrl-R toggle mouse relative mode */
SDL_SetRelativeMouseMode(!SDL_GetRelativeMouseMode());
}
break;
case SDLK_T:
case SDLK_t:
if (withControl) {
/* Ctrl-T toggle topmost mode */
@@ -2364,7 +2354,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_Z:
case SDLK_z:
if (withControl) {
/* Ctrl-Z minimize */
@@ -2404,7 +2393,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
break;
case SDLK_B:
case SDLK_b:
if (withControl) {
/* Ctrl-B toggle window border */
@@ -2416,7 +2404,6 @@ int SDLTest_CommonEventMainCallbacks(SDLTest_CommonState *state, const SDL_Event
}
}
break;
case SDLK_A:
case SDLK_a:
if (withControl) {
/* Ctrl-A toggle aspect ratio */

View File

@@ -37,7 +37,6 @@ extern "C" {
static SDL_Scancode keymap[KEYMAP_SIZE];
static int8 keystate[KEYMAP_SIZE];
void HAIKU_InitOSKeymap(void)
{
@@ -45,10 +44,6 @@ void HAIKU_InitOSKeymap(void)
keymap[i] = SDL_SCANCODE_UNKNOWN;
}
for ( uint i = 0; i < KEYMAP_SIZE; ++i ) {
keystate[i] = SDL_RELEASED;
}
keymap[0x01] = SDL_SCANCODE_ESCAPE;
keymap[B_F1_KEY] = SDL_SCANCODE_F1;
keymap[B_F2_KEY] = SDL_SCANCODE_F2;
@@ -166,20 +161,6 @@ SDL_Scancode HAIKU_GetScancodeFromBeKey(int32 bkey) {
}
}
int8 HAIKU_GetKeyState(int32 bkey) {
if (bkey > 0 && bkey < KEYMAP_SIZE) {
return keystate[bkey];
} else {
return SDL_RELEASED;
}
}
void HAIKU_SetKeyState(int32 bkey, int8 state) {
if (bkey > 0 && bkey < KEYMAP_SIZE) {
keystate[bkey] = state;
}
}
#ifdef __cplusplus
}
#endif

View File

@@ -30,8 +30,6 @@ extern "C" {
extern void HAIKU_InitOSKeymap(void);
extern SDL_Scancode HAIKU_GetScancodeFromBeKey(int32 bkey);
extern int8 HAIKU_GetKeyState(int32 bkey);
extern void HAIKU_SetKeyState(int32 bkey, int8 state);
#ifdef __cplusplus
}

View File

@@ -487,8 +487,8 @@ static void SDLCALL SDL_HideHomeIndicatorHintChanged(void *userdata, const char
size_t deleteLength = SDL_utf8strlen([[committedText substringFromIndex:matchLength] UTF8String]);
while (deleteLength > 0) {
/* Send distinct down and up events for each backspace action */
SDL_SendVirtualKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_BACKSPACE);
SDL_SendVirtualKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_BACKSPACE);
SDL_SendKeyboardKey(0, SDL_GLOBAL_KEYBOARD_ID, 0, SDL_SCANCODE_BACKSPACE, SDL_PRESSED);
SDL_SendKeyboardKey(0, SDL_GLOBAL_KEYBOARD_ID, 0, SDL_SCANCODE_BACKSPACE, SDL_RELEASED);
--deleteLength;
}
}