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authorchai <chaifix@163.com>2020-09-10 20:30:31 +0800
committerchai <chaifix@163.com>2020-09-10 20:30:31 +0800
commit639b34294ffc20721c66db46e59e07d9100ac4b8 (patch)
tree7e1d45b536fa35e9f1559e468ea66fca99524573 /ThirdParty/SDL2/src/joystick/dummy/SDL_sysjoystick.c
*init
Diffstat (limited to 'ThirdParty/SDL2/src/joystick/dummy/SDL_sysjoystick.c')
-rw-r--r--ThirdParty/SDL2/src/joystick/dummy/SDL_sysjoystick.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/ThirdParty/SDL2/src/joystick/dummy/SDL_sysjoystick.c b/ThirdParty/SDL2/src/joystick/dummy/SDL_sysjoystick.c
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+++ b/ThirdParty/SDL2/src/joystick/dummy/SDL_sysjoystick.c
@@ -0,0 +1,127 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#if defined(SDL_JOYSTICK_DUMMY) || defined(SDL_JOYSTICK_DISABLED)
+
+/* This is the dummy implementation of the SDL joystick API */
+
+#include "SDL_joystick.h"
+#include "../SDL_sysjoystick.h"
+#include "../SDL_joystick_c.h"
+
+/* Function to scan the system for joysticks.
+ * It should return 0, or -1 on an unrecoverable fatal error.
+ */
+int
+SDL_SYS_JoystickInit(void)
+{
+ return 0;
+}
+
+int
+SDL_SYS_NumJoysticks(void)
+{
+ return 0;
+}
+
+void
+SDL_SYS_JoystickDetect(void)
+{
+}
+
+/* Function to get the device-dependent name of a joystick */
+const char *
+SDL_SYS_JoystickNameForDeviceIndex(int device_index)
+{
+ SDL_SetError("Logic error: No joysticks available");
+ return (NULL);
+}
+
+/* Function to perform the mapping from device index to the instance id for this index */
+SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index)
+{
+ return device_index;
+}
+
+/* Function to open a joystick for use.
+ The joystick to open is specified by the device index.
+ This should fill the nbuttons and naxes fields of the joystick structure.
+ It returns 0, or -1 if there is an error.
+ */
+int
+SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
+{
+ return SDL_SetError("Logic error: No joysticks available");
+}
+
+/* Function to determine if this joystick is attached to the system right now */
+SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick *joystick)
+{
+ return SDL_TRUE;
+}
+
+/* Function to update the state of a joystick - called as a device poll.
+ * This function shouldn't update the joystick structure directly,
+ * but instead should call SDL_PrivateJoystick*() to deliver events
+ * and update joystick device state.
+ */
+void
+SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
+{
+}
+
+/* Function to close a joystick after use */
+void
+SDL_SYS_JoystickClose(SDL_Joystick * joystick)
+{
+}
+
+/* Function to perform any system-specific joystick related cleanup */
+void
+SDL_SYS_JoystickQuit(void)
+{
+}
+
+SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID( int device_index )
+{
+ SDL_JoystickGUID guid;
+ /* the GUID is just the first 16 chars of the name for now */
+ const char *name = SDL_SYS_JoystickNameForDeviceIndex( device_index );
+ SDL_zero( guid );
+ SDL_memcpy( &guid, name, SDL_min( sizeof(guid), SDL_strlen( name ) ) );
+ return guid;
+}
+
+
+SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
+{
+ SDL_JoystickGUID guid;
+ /* the GUID is just the first 16 chars of the name for now */
+ const char *name = joystick->name;
+ SDL_zero( guid );
+ SDL_memcpy( &guid, name, SDL_min( sizeof(guid), SDL_strlen( name ) ) );
+ return guid;
+}
+
+#endif /* SDL_JOYSTICK_DUMMY || SDL_JOYSTICK_DISABLED */
+
+/* vi: set ts=4 sw=4 expandtab: */