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Track unique button states between different mice

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We were already halfway doing this, but now we make that information available to the Windows driver so it can cache the button state per-mouse
This commit is contained in:
Sam Lantinga 2024-03-22 16:30:20 -07:00
parent 35756593d6
commit 361b7190df
4 changed files with 32 additions and 18 deletions
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25
src/events/SDL_mouse.c
View File

@ -402,15 +402,22 @@ SDL_Mouse *SDL_GetMouse(void)
return &SDL_mouse;
}
static Uint32 GetButtonState(SDL_Mouse *mouse, SDL_bool include_touch)
Uint32 SDL_GetMouseButtonState(SDL_Mouse *mouse, SDL_MouseID mouseID, SDL_bool include_touch)
{
int i;
Uint32 buttonstate = 0;
for (i = 0; i < mouse->num_sources; ++i) {
if (mouseID == SDL_GLOBAL_MOUSE_ID || mouseID == SDL_TOUCH_MOUSEID) {
if (include_touch || mouse->sources[i].mouseID != SDL_TOUCH_MOUSEID) {
buttonstate |= mouse->sources[i].buttonstate;
}
} else {
if (mouseID == mouse->sources[i].mouseID) {
buttonstate |= mouse->sources[i].buttonstate;
break;
}
}
}
return buttonstate;
}
@ -433,7 +440,7 @@ SDL_Window *SDL_GetMouseFocus(void)
void SDL_ResetMouse(void)
{
SDL_Mouse *mouse = SDL_GetMouse();
Uint32 buttonState = GetButtonState(mouse, SDL_FALSE);
Uint32 buttonState = SDL_GetMouseButtonState(mouse, SDL_GLOBAL_MOUSE_ID, SDL_FALSE);
int i;
for (i = 1; i <= sizeof(buttonState)*8; ++i) {
@ -441,7 +448,7 @@ void SDL_ResetMouse(void)
SDL_SendMouseButton(0, mouse->focus, mouse->mouseID, SDL_RELEASED, i);
}
}
SDL_assert(GetButtonState(mouse, SDL_FALSE) == 0);
SDL_assert(SDL_GetMouseButtonState(mouse, SDL_GLOBAL_MOUSE_ID, SDL_FALSE) == 0);
}
#endif /* 0 */
@ -530,7 +537,7 @@ int SDL_SendMouseMotion(Uint64 timestamp, SDL_Window *window, SDL_MouseID mouseI
{
if (window && !relative) {
SDL_Mouse *mouse = SDL_GetMouse();
if (!SDL_UpdateMouseFocus(window, x, y, GetButtonState(mouse, SDL_TRUE), (mouseID != SDL_TOUCH_MOUSEID))) {
if (!SDL_UpdateMouseFocus(window, x, y, SDL_GetMouseButtonState(mouse, mouseID, SDL_TRUE), (mouseID != SDL_TOUCH_MOUSEID))) {
return 0;
}
}
@ -760,7 +767,7 @@ static int SDL_PrivateSendMouseMotion(Uint64 timestamp, SDL_Window *window, SDL_
}
/* Ignore relative motion positioning the first touch */
if (mouseID == SDL_TOUCH_MOUSEID && !GetButtonState(mouse, SDL_TRUE)) {
if (mouseID == SDL_TOUCH_MOUSEID && !SDL_GetMouseButtonState(mouse, mouseID, SDL_TRUE)) {
xrel = 0.0f;
yrel = 0.0f;
}
@ -800,7 +807,7 @@ static int SDL_PrivateSendMouseMotion(Uint64 timestamp, SDL_Window *window, SDL_
event.motion.which = mouseID;
/* Set us pending (or clear during a normal mouse movement event) as having triggered */
mouse->was_touch_mouse_events = (mouseID == SDL_TOUCH_MOUSEID);
event.motion.state = GetButtonState(mouse, SDL_TRUE);
event.motion.state = SDL_GetMouseButtonState(mouse, mouseID, SDL_TRUE);
event.motion.x = mouse->x;
event.motion.y = mouse->y;
event.motion.xrel = xrel;
@ -1126,7 +1133,7 @@ Uint32 SDL_GetMouseState(float *x, float *y)
if (y) {
*y = mouse->y;
}
return GetButtonState(mouse, SDL_TRUE);
return SDL_GetMouseButtonState(mouse, SDL_GLOBAL_MOUSE_ID, SDL_TRUE);
}
Uint32 SDL_GetRelativeMouseState(float *x, float *y)
@ -1141,7 +1148,7 @@ Uint32 SDL_GetRelativeMouseState(float *x, float *y)
}
mouse->xdelta = 0.0f;
mouse->ydelta = 0.0f;
return GetButtonState(mouse, SDL_TRUE);
return SDL_GetMouseButtonState(mouse, SDL_GLOBAL_MOUSE_ID, SDL_TRUE);
}
Uint32 SDL_GetGlobalMouseState(float *x, float *y)
@ -1318,7 +1325,7 @@ int SDL_UpdateMouseCapture(SDL_bool force_release)
if (!force_release) {
if (SDL_GetMessageBoxCount() == 0 &&
(mouse->capture_desired || (mouse->auto_capture && GetButtonState(mouse, SDL_FALSE) != 0))) {
(mouse->capture_desired || (mouse->auto_capture && SDL_GetMouseButtonState(mouse, SDL_GLOBAL_MOUSE_ID, SDL_FALSE) != 0))) {
if (!mouse->relative_mode) {
capture_window = mouse->focus;
}

3
src/events/SDL_mouse_c.h
View File

@ -154,6 +154,9 @@ extern void SDL_SetMouseFocus(SDL_Window *window);
/* Update the mouse capture window */
extern int SDL_UpdateMouseCapture(SDL_bool force_release);
/* Get the current mouse button state for a mouse */
Uint32 SDL_GetMouseButtonState(SDL_Mouse *mouse, SDL_MouseID mouseID, SDL_bool include_touch);
/* You can set either a single scale, or a set of {speed, scale} values in sorted order */
extern int SDL_SetMouseSystemScale(int num_values, const float *values);

16
src/video/windows/SDL_windowsevents.c
View File

@ -234,7 +234,9 @@ static void WIN_CheckWParamMouseButton(Uint64 timestamp, SDL_bool bwParamMousePr
*/
static void WIN_CheckWParamMouseButtons(Uint64 timestamp, WPARAM wParam, SDL_WindowData *data, SDL_MouseID mouseID)
{
if (wParam != data->mouse_button_flags) {
Uint64 unique_bits = wParam;
if (unique_bits != data->mouse_button_flags) {
Uint32 mouseFlags = SDL_GetMouseState(NULL, NULL);
/* WM_LBUTTONDOWN and friends handle button swapping for us. No need to check SM_SWAPBUTTON here. */
@ -244,17 +246,19 @@ static void WIN_CheckWParamMouseButtons(Uint64 timestamp, WPARAM wParam, SDL_Win
WIN_CheckWParamMouseButton(timestamp, (wParam & MK_XBUTTON1), mouseFlags, SDL_FALSE, data, SDL_BUTTON_X1, mouseID);
WIN_CheckWParamMouseButton(timestamp, (wParam & MK_XBUTTON2), mouseFlags, SDL_FALSE, data, SDL_BUTTON_X2, mouseID);
data->mouse_button_flags = wParam;
data->mouse_button_flags = unique_bits;
}
}
static void WIN_CheckRawMouseButtons(Uint64 timestamp, HANDLE hDevice, ULONG rawButtons, SDL_WindowData *data, SDL_MouseID mouseID)
{
// Add a flag to distinguish raw mouse buttons from wParam above
rawButtons |= 0x8000000;
Uint64 unique_bits = 0x8000000 | (uintptr_t)hDevice;
unique_bits <<= 32;
unique_bits |= rawButtons;
if (rawButtons != data->mouse_button_flags) {
Uint32 mouseFlags = SDL_GetMouseState(NULL, NULL);
if (unique_bits != data->mouse_button_flags) {
Uint32 mouseFlags = SDL_GetMouseButtonState(SDL_GetMouse(), mouseID, SDL_FALSE);
SDL_bool swapButtons = GetSystemMetrics(SM_SWAPBUTTON) != 0;
if (swapButtons && hDevice == NULL) {
/* Touchpad, already has buttons swapped */
@ -290,7 +294,7 @@ static void WIN_CheckRawMouseButtons(Uint64 timestamp, HANDLE hDevice, ULONG raw
if (rawButtons & RI_MOUSE_BUTTON_5_UP) {
WIN_CheckWParamMouseButton(timestamp, !(rawButtons & RI_MOUSE_BUTTON_5_UP), mouseFlags, swapButtons, data, SDL_BUTTON_X2, mouseID);
}
data->mouse_button_flags = rawButtons;
data->mouse_button_flags = unique_bits;
}
}

2
src/video/windows/SDL_windowswindow.h
View File

@ -52,7 +52,7 @@ struct SDL_WindowData
HBITMAP hbm;
WNDPROC wndproc;
HHOOK keyboard_hook;
WPARAM mouse_button_flags;
Uint64 mouse_button_flags;
LPARAM last_pointer_update;
WCHAR high_surrogate;
SDL_bool initializing;