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Fixed bug 2069 - Device addition/removal queries all USB devices rather than only HID devices. 

Andreas Ertelt
SDL_dxjoystick.c is setting the classguid for device (dis)connect events to USB Devices in general:
    dbh.dbcc_classguid = GUID_DEVINTERFACE_USB_DEVICE;

Wouldn't it make more sense to have it just subscribe to Hid device events? This would mean less meaningless events reaching the application.
This commit is contained in:
Sam Lantinga 2013-10-17 23:40:13 -07:00
parent 3f8df1097c
commit 7ad441a37c
2 changed files with 4 additions and 3 deletions
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5
src/joystick/windows/SDL_dxjoystick.c
View File

@ -53,6 +53,8 @@
#define DIDFT_OPTIONAL 0x80000000
#endif
DEFINE_GUID(GUID_DEVINTERFACE_HID, 0x4D1E55B2L, 0xF16F, 0x11CF, 0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30);
#define INPUT_QSIZE 32 /* Buffer up to 32 input messages */
#define AXIS_MIN -32768 /* minimum value for axis coordinate */
@ -387,7 +389,6 @@ SDL_IsXInputDevice( const GUID* pGuidProductFromDirectInput )
};
size_t iDevice;
SDL_bool retval = SDL_FALSE;
UINT i;
if (!s_bXInputEnabled) {
@ -507,7 +508,7 @@ SDL_JoystickThread(void *_data)
dbh.dbcc_size = sizeof(dbh);
dbh.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
dbh.dbcc_classguid = GUID_DEVINTERFACE_USB_DEVICE;
dbh.dbcc_classguid = GUID_DEVINTERFACE_HID;
hNotify = RegisterDeviceNotification( messageWindow, &dbh, DEVICE_NOTIFY_WINDOW_HANDLE );
if ( !hNotify )

2
src/joystick/windows/SDL_dxjoystick_c.h
View File

@ -42,7 +42,7 @@
#include <xinput.h>
#include <devguid.h>
#include <dbt.h>
#include <xinput.h>
#ifndef XUSER_MAX_COUNT
#define XUSER_MAX_COUNT 4