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Checks if xinput is loaded before trying to call xinput functions

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(cherry picked from commit 57b6e6c7f9)
This commit is contained in:
Mason Remaley
2025-05-29 14:23:44 -07:00
committed by Ryan C. Gordon
parent d42a1402e8
commit 1b41cd759c
1 changed files with 4 additions and 0 deletions
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4
src/video/x11/SDL_x11pen.c
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@@ -283,6 +283,7 @@ static X11_PenHandle *X11_MaybeAddPen(SDL_VideoDevice *_this, const XIDeviceInfo
X11_PenHandle *X11_MaybeAddPenByDeviceID(SDL_VideoDevice *_this, int deviceid)
{
if (!X11_Xinput2IsInitialized()) return NULL;
SDL_VideoData *data = _this->internal;
int num_device_info = 0;
XIDeviceInfo *device_info = X11_XIQueryDevice(data->display, deviceid, &num_device_info);
@@ -297,6 +298,7 @@ X11_PenHandle *X11_MaybeAddPenByDeviceID(SDL_VideoDevice *_this, int deviceid)
void X11_RemovePenByDeviceID(int deviceid)
{
if (!X11_Xinput2IsInitialized()) return;
X11_PenHandle *handle = X11_FindPenByDeviceID(deviceid);
if (handle) {
SDL_RemovePenDevice(0, handle->pen);
@@ -306,6 +308,7 @@ void X11_RemovePenByDeviceID(int deviceid)
void X11_InitPen(SDL_VideoDevice *_this)
{
if (!X11_Xinput2IsInitialized()) return;
SDL_VideoData *data = _this->internal;
#define LOOKUP_PEN_ATOM(X) X11_XInternAtom(data->display, X, False)
@@ -335,6 +338,7 @@ static void X11_FreePenHandle(SDL_PenID instance_id, void *handle, void *userdat
void X11_QuitPen(SDL_VideoDevice *_this)
{
if (!X11_Xinput2IsInitialized()) return;
SDL_RemoveAllPenDevices(X11_FreePenHandle, NULL);
}