diff options
Diffstat (limited to 'src/libs/input/sdl/vcontrol.h')
| -rw-r--r-- | src/libs/input/sdl/vcontrol.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/libs/input/sdl/vcontrol.h b/src/libs/input/sdl/vcontrol.h new file mode 100644 index 0000000..9c33445 --- /dev/null +++ b/src/libs/input/sdl/vcontrol.h @@ -0,0 +1,108 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef LIBS_INPUT_SDL_VCONTROL_H_ +#define LIBS_INPUT_SDL_VCONTROL_H_ + +#include "port.h" +#include SDL_INCLUDE(SDL.h) + +#if SDL_MAJOR_VERSION == 1 +typedef SDLKey sdl_key_t; +#else +typedef SDL_Keycode sdl_key_t; +#endif + +/* Initialization routines */ +void VControl_Init (void); +void VControl_Uninit (void); + +/* Structures for representing actual VControl Inputs. Returned by + iterators and used to construct bindings. */ + +typedef enum { + VCONTROL_NONE, + VCONTROL_KEY, + VCONTROL_JOYAXIS, + VCONTROL_JOYBUTTON, + VCONTROL_JOYHAT, + NUM_VCONTROL_GESTURES +} VCONTROL_GESTURE_TYPE; + +typedef struct { + VCONTROL_GESTURE_TYPE type; + union { + sdl_key_t key; + struct { int port, index, polarity; } axis; + struct { int port, index; } button; + struct { int port, index; Uint8 dir; } hat; + } gesture; +} VCONTROL_GESTURE; + +/* Control of bindings */ +int VControl_AddGestureBinding (VCONTROL_GESTURE *g, int *target); +void VControl_RemoveGestureBinding (VCONTROL_GESTURE *g, int *target); + +int VControl_AddKeyBinding (sdl_key_t symbol, int *target); +void VControl_RemoveKeyBinding (sdl_key_t symbol, int *target); +int VControl_AddJoyAxisBinding (int port, int axis, int polarity, int *target); +void VControl_RemoveJoyAxisBinding (int port, int axis, int polarity, int *target); +int VControl_SetJoyThreshold (int port, int threshold); +int VControl_AddJoyButtonBinding (int port, int button, int *target); +void VControl_RemoveJoyButtonBinding (int port, int button, int *target); +int VControl_AddJoyHatBinding (int port, int which, Uint8 dir, int *target); +void VControl_RemoveJoyHatBinding (int port, int which, Uint8 dir, int *target); + +void VControl_RemoveAllBindings (void); + +/* Signal to VControl that a frame is about to begin. */ +void VControl_BeginFrame (void); + +/* The listener. Routines besides HandleEvent may be used to 'fake' inputs without + * fabricating an SDL_Event. + */ +void VControl_HandleEvent (const SDL_Event *e); +void VControl_ProcessKeyDown (sdl_key_t symbol); +void VControl_ProcessKeyUp (sdl_key_t symbol); +void VControl_ProcessJoyButtonDown (int port, int button); +void VControl_ProcessJoyButtonUp (int port, int button); +void VControl_ProcessJoyAxis (int port, int axis, int value); +void VControl_ProcessJoyHat (int port, int which, Uint8 value); + +/* Force the input into the blank state. For preventing "sticky" keys. */ +void VControl_ResetInput (void); + +/* Translate between gestures and string representations thereof. */ +void VControl_ParseGesture (VCONTROL_GESTURE *g, const char *spec); +int VControl_DumpGesture (char *buf, int n, VCONTROL_GESTURE *g); + +/* Tracking the "last interesting gesture." Used to poll to find new + control keys. */ + +void VControl_ClearGesture (void); +int VControl_GetLastGesture (VCONTROL_GESTURE *g); + +/* Constants for handling the "Start bit." If a gesture is made, and + * then ends, within a single frame, it will still, for one frame, + * have a nonzero value. This is because Bit 16 will be on for the + * first frame a gesture is struck. This bit is cleared when + * VControl_BeginFrame() is called. These constants are used to mask + * out results if necessary. */ + +#define VCONTROL_STARTBIT 0x10000 +#define VCONTROL_MASK 0x0FFFF + +#endif |