Added KMOD_SCROLL to track the scroll lock state

Fixes https://github.com/libsdl-org/SDL/issues/4566
This commit is contained in:
Sam Lantinga 2021-08-10 17:50:17 -07:00
parent 609cea1eb8
commit cb1e20b058
8 changed files with 38 additions and 2 deletions

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@ -338,7 +338,7 @@ typedef enum
KMOD_NUM = 0x1000,
KMOD_CAPS = 0x2000,
KMOD_MODE = 0x4000,
KMOD_RESERVED = 0x8000,
KMOD_SCROLL = 0x8000,
KMOD_CTRL = KMOD_LCTRL | KMOD_RCTRL,
KMOD_SHIFT = KMOD_LSHIFT | KMOD_RSHIFT,

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@ -767,6 +767,9 @@ SDL_SendKeyboardKeyInternal(Uint8 source, Uint8 state, SDL_Scancode scancode)
case SDLK_CAPSLOCK:
keyboard->modstate ^= KMOD_CAPS;
break;
case SDLK_SCROLLLOCK:
keyboard->modstate ^= KMOD_SCROLL;
break;
default:
keyboard->modstate |= modifier;
break;

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@ -627,6 +627,7 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0);
SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
SDL_ToggleModState(KMOD_SCROLL, (GetKeyState(VK_SCROLL) & 0x0001) != 0);
} else {
RECT rect;

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@ -106,6 +106,7 @@ WIN_InitKeyboard(_THIS)
/* Are system caps/num/scroll lock active? Set our state to match. */
SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0);
SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
SDL_ToggleModState(KMOD_SCROLL, (GetKeyState(VK_SCROLL) & 0x0001) != 0);
}
void

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@ -353,6 +353,32 @@ X11_GetNumLockModifierMask(_THIS)
return num_mask;
}
static unsigned
X11_GetScrollLockModifierMask(_THIS)
{
SDL_VideoData *viddata = (SDL_VideoData *) _this->driverdata;
Display *display = viddata->display;
unsigned num_mask = 0;
int i, j;
XModifierKeymap *xmods;
unsigned n;
xmods = X11_XGetModifierMapping(display);
n = xmods->max_keypermod;
for(i = 3; i < 8; i++) {
for(j = 0; j < n; j++) {
KeyCode kc = xmods->modifiermap[i * n + j];
if (viddata->key_layout[kc] == SDL_SCANCODE_SCROLLLOCK) {
num_mask = 1 << i;
break;
}
}
}
X11_XFreeModifiermap(xmods);
return num_mask;
}
static void
X11_ReconcileKeyboardState(_THIS)
{
@ -371,6 +397,7 @@ X11_ReconcileKeyboardState(_THIS)
if (X11_XQueryPointer(display, DefaultRootWindow(display), &junk_window, &junk_window, &x, &y, &x, &y, &mask)) {
SDL_ToggleModState(KMOD_CAPS, (mask & LockMask) != 0);
SDL_ToggleModState(KMOD_NUM, (mask & X11_GetNumLockModifierMask(_this)) != 0);
SDL_ToggleModState(KMOD_SCROLL, (mask & X11_GetScrollLockModifierMask(_this)) != 0);
}
keyboardState = SDL_GetKeyboardState(0);

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@ -86,6 +86,8 @@ print_modifiers(char **text, size_t *maxlen)
print_string(text, maxlen, " CAPS");
if (mod & KMOD_MODE)
print_string(text, maxlen, " MODE");
if (mod & KMOD_SCROLL)
print_string(text, maxlen, " SCROLL");
}
static void

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@ -86,6 +86,8 @@ print_modifiers(char **text, size_t *maxlen)
print_string(text, maxlen, " CAPS");
if (mod & KMOD_MODE)
print_string(text, maxlen, " MODE");
if (mod & KMOD_SCROLL)
print_string(text, maxlen, " SCROLL");
}
static void

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@ -305,7 +305,7 @@ keyboard_getSetModState(void *arg)
KMOD_NUM |
KMOD_CAPS |
KMOD_MODE |
KMOD_RESERVED;
KMOD_SCROLL;
/* Get state, cache for later reset */
result = SDL_GetModState();