src/platform/sdl/sdl-events.c (view raw)
1/* Copyright (c) 2013-2014 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include "sdl-events.h"
7
8#include "debugger/debugger.h"
9#include "gba-io.h"
10#include "gba-rr.h"
11#include "gba-serialize.h"
12#include "gba-video.h"
13#include "renderers/video-software.h"
14#include "util/vfs.h"
15
16#if SDL_VERSION_ATLEAST(2, 0, 0) && defined(__APPLE__)
17#define GUI_MOD KMOD_GUI
18#else
19#define GUI_MOD KMOD_CTRL
20#endif
21
22static int _openContexts = 0;
23
24bool GBASDLInitEvents(struct GBASDLEvents* context) {
25 if (!_openContexts && SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0) {
26 return false;
27 }
28 ++_openContexts;
29 SDL_JoystickEventState(SDL_ENABLE);
30 context->joystick = SDL_JoystickOpen(0);
31#if !SDL_VERSION_ATLEAST(2, 0, 0)
32 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
33#endif
34 return true;
35}
36
37void GBASDLInitBindings(struct GBAInputMap* inputMap) {
38#if SDL_VERSION_ATLEAST(2, 0, 0)
39 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_X, GBA_KEY_A);
40 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_Z, GBA_KEY_B);
41 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_A, GBA_KEY_L);
42 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_S, GBA_KEY_R);
43 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_RETURN, GBA_KEY_START);
44 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_BACKSPACE, GBA_KEY_SELECT);
45 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_UP, GBA_KEY_UP);
46 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_DOWN, GBA_KEY_DOWN);
47 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_LEFT, GBA_KEY_LEFT);
48 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDL_SCANCODE_RIGHT, GBA_KEY_RIGHT);
49#else
50 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_x, GBA_KEY_A);
51 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_z, GBA_KEY_B);
52 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_a, GBA_KEY_L);
53 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_s, GBA_KEY_R);
54 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_RETURN, GBA_KEY_START);
55 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_BACKSPACE, GBA_KEY_SELECT);
56 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_UP, GBA_KEY_UP);
57 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_DOWN, GBA_KEY_DOWN);
58 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_LEFT, GBA_KEY_LEFT);
59 GBAInputBindKey(inputMap, SDL_BINDING_KEY, SDLK_RIGHT, GBA_KEY_RIGHT);
60#endif
61
62 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 13, GBA_KEY_A);
63 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 14, GBA_KEY_B);
64 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 10, GBA_KEY_L);
65 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 11, GBA_KEY_R);
66 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 3, GBA_KEY_START);
67 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 0, GBA_KEY_SELECT);
68 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 4, GBA_KEY_UP);
69 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 6, GBA_KEY_DOWN);
70 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 7, GBA_KEY_LEFT);
71 GBAInputBindKey(inputMap, SDL_BINDING_BUTTON, 5, GBA_KEY_RIGHT);
72}
73
74void GBASDLEventsLoadConfig(struct GBASDLEvents* context, const struct Configuration* config) {
75 GBAInputMapLoad(context->bindings, SDL_BINDING_KEY, config);
76 GBAInputMapLoad(context->bindings, SDL_BINDING_BUTTON, config);
77}
78
79void GBASDLDeinitEvents(struct GBASDLEvents* context) {
80 SDL_JoystickClose(context->joystick);
81
82 --_openContexts;
83 if (!_openContexts) {
84 SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
85 }
86}
87
88static void _pauseAfterFrame(struct GBAThread* context) {
89 context->frameCallback = 0;
90 GBAThreadPauseFromThread(context);
91}
92
93static void _GBASDLHandleKeypress(struct GBAThread* context, struct GBASDLEvents* sdlContext, const struct SDL_KeyboardEvent* event) {
94 enum GBAKey key = GBA_KEY_NONE;
95 if (!event->keysym.mod) {
96#if SDL_VERSION_ATLEAST(2, 0, 0)
97 key = GBAInputMapKey(sdlContext->bindings, SDL_BINDING_KEY, event->keysym.scancode);
98#else
99 key = GBAInputMapKey(sdlContext->bindings, SDL_BINDING_KEY, event->keysym.sym);
100#endif
101 }
102 if (key != GBA_KEY_NONE) {
103 if (event->type == SDL_KEYDOWN) {
104 context->activeKeys |= 1 << key;
105 } else {
106 context->activeKeys &= ~(1 << key);
107 }
108 return;
109 }
110 switch (event->keysym.sym) {
111 case SDLK_F11:
112 if (event->type == SDL_KEYDOWN && context->debugger) {
113 ARMDebuggerEnter(context->debugger, DEBUGGER_ENTER_MANUAL);
114 }
115 return;
116#ifdef USE_PNG
117 case SDLK_F12:
118 if (event->type == SDL_KEYDOWN) {
119 GBAThreadInterrupt(context);
120 GBAThreadTakeScreenshot(context);
121 GBAThreadContinue(context);
122 }
123 return;
124#endif
125 case SDLK_TAB:
126 context->sync.audioWait = event->type != SDL_KEYDOWN;
127 return;
128 case SDLK_BACKSLASH:
129 if (event->type == SDL_KEYDOWN) {
130 GBAThreadPause(context);
131 context->frameCallback = _pauseAfterFrame;
132 GBAThreadUnpause(context);
133 }
134 return;
135 case SDLK_LEFTBRACKET:
136 GBAThreadInterrupt(context);
137 GBARewind(context, 10);
138 GBAThreadContinue(context);
139 return;
140 case SDLK_ESCAPE:
141 GBAThreadInterrupt(context);
142 if (context->gba->rr) {
143 GBARRStopPlaying(context->gba->rr);
144 GBARRStopRecording(context->gba->rr);
145 }
146 GBAThreadContinue(context);
147 return;
148 default:
149 if (event->type == SDL_KEYDOWN) {
150 if ((event->keysym.mod & GUI_MOD) && (event->keysym.mod & GUI_MOD) == event->keysym.mod) {
151 switch (event->keysym.sym) {
152#if SDL_VERSION_ATLEAST(2, 0, 0)
153 case SDLK_f:
154 SDL_SetWindowFullscreen(sdlContext->window, sdlContext->fullscreen ? 0 : SDL_WINDOW_FULLSCREEN_DESKTOP);
155 sdlContext->fullscreen = !sdlContext->fullscreen;
156 sdlContext->windowUpdated = 1;
157 break;
158#endif
159 case SDLK_p:
160 GBAThreadTogglePause(context);
161 break;
162 case SDLK_n:
163 GBAThreadPause(context);
164 context->frameCallback = _pauseAfterFrame;
165 GBAThreadUnpause(context);
166 break;
167 case SDLK_r:
168 GBAThreadReset(context);
169 break;
170 default:
171 break;
172 }
173 }
174 if (event->keysym.mod & KMOD_SHIFT) {
175 switch (event->keysym.sym) {
176 case SDLK_F1:
177 case SDLK_F2:
178 case SDLK_F3:
179 case SDLK_F4:
180 case SDLK_F5:
181 case SDLK_F6:
182 case SDLK_F7:
183 case SDLK_F8:
184 case SDLK_F9:
185 GBAThreadInterrupt(context);
186 GBASaveState(context->gba, context->stateDir, event->keysym.sym - SDLK_F1 + 1, true);
187 GBAThreadContinue(context);
188 break;
189 default:
190 break;
191 }
192 } else {
193 switch (event->keysym.sym) {
194 case SDLK_F1:
195 case SDLK_F2:
196 case SDLK_F3:
197 case SDLK_F4:
198 case SDLK_F5:
199 case SDLK_F6:
200 case SDLK_F7:
201 case SDLK_F8:
202 case SDLK_F9:
203 GBAThreadInterrupt(context);
204 GBALoadState(context->gba, context->stateDir, event->keysym.sym - SDLK_F1 + 1);
205 GBAThreadContinue(context);
206 break;
207 default:
208 break;
209 }
210 }
211 }
212 return;
213 }
214}
215
216static void _GBASDLHandleJoyButton(struct GBAThread* context, struct GBASDLEvents* sdlContext, const struct SDL_JoyButtonEvent* event) {
217 enum GBAKey key = 0;
218 key = GBAInputMapKey(sdlContext->bindings, SDL_BINDING_BUTTON, event->button);
219 if (key == GBA_KEY_NONE) {
220 return;
221 }
222
223 if (event->type == SDL_JOYBUTTONDOWN) {
224 context->activeKeys |= 1 << key;
225 } else {
226 context->activeKeys &= ~(1 << key);
227 }
228}
229
230static void _GBASDLHandleJoyHat(struct GBAThread* context, const struct SDL_JoyHatEvent* event) {
231 enum GBAKey key = 0;
232
233 if (event->value & SDL_HAT_UP) {
234 key |= 1 << GBA_KEY_UP;
235 }
236 if (event->value & SDL_HAT_LEFT) {
237 key |= 1 << GBA_KEY_LEFT;
238 }
239 if (event->value & SDL_HAT_DOWN) {
240 key |= 1 << GBA_KEY_DOWN;
241 }
242 if (event->value & SDL_HAT_RIGHT) {
243 key |= 1 << GBA_KEY_RIGHT;
244 }
245
246 context->activeKeys &= ~((1 << GBA_KEY_UP) | (1 << GBA_KEY_LEFT) | (1 << GBA_KEY_DOWN) | (1 << GBA_KEY_RIGHT));
247 context->activeKeys |= key;
248}
249
250#if SDL_VERSION_ATLEAST(2, 0, 0)
251static void _GBASDLHandleWindowEvent(struct GBAThread* context, struct GBASDLEvents* sdlContext, const struct SDL_WindowEvent* event) {
252 UNUSED(context);
253 switch (event->event) {
254 case SDL_WINDOWEVENT_SIZE_CHANGED:
255 sdlContext->windowUpdated = 1;
256 break;
257 }
258}
259#endif
260
261void GBASDLHandleEvent(struct GBAThread* context, struct GBASDLEvents* sdlContext, const union SDL_Event* event) {
262 switch (event->type) {
263 case SDL_QUIT:
264 GBAThreadEnd(context);
265 break;
266#if SDL_VERSION_ATLEAST(2, 0, 0)
267 case SDL_WINDOWEVENT:
268 _GBASDLHandleWindowEvent(context, sdlContext, &event->window);
269 break;
270#endif
271 case SDL_KEYDOWN:
272 case SDL_KEYUP:
273 _GBASDLHandleKeypress(context, sdlContext, &event->key);
274 break;
275 case SDL_JOYBUTTONDOWN:
276 case SDL_JOYBUTTONUP:
277 _GBASDLHandleJoyButton(context, sdlContext, &event->jbutton);
278 break;
279 case SDL_JOYHATMOTION:
280 _GBASDLHandleJoyHat(context, &event->jhat);
281 }
282}