SDL  2.0
SDL_androidmouse.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 
22 #include "../../SDL_internal.h"
23 
24 #if SDL_VIDEO_DRIVER_ANDROID
25 
26 #include "SDL_androidmouse.h"
27 
28 #include "SDL_events.h"
29 #include "../../events/SDL_mouse_c.h"
30 
31 #include "../../core/android/SDL_android.h"
32 
33 /* See Android's MotionEvent class for constants */
34 #define ACTION_DOWN 0
35 #define ACTION_UP 1
36 #define ACTION_MOVE 2
37 #define ACTION_HOVER_MOVE 7
38 #define ACTION_SCROLL 8
39 #define BUTTON_PRIMARY 1
40 #define BUTTON_SECONDARY 2
41 #define BUTTON_TERTIARY 4
42 #define BUTTON_BACK 8
43 #define BUTTON_FORWARD 16
44 
45 typedef struct
46 {
47  int custom_cursor;
48  int system_cursor;
49 
50 } SDL_AndroidCursorData;
51 
52 /* Last known Android mouse button state (includes all buttons) */
53 static int last_state;
54 
55 /* Blank cursor */
56 static SDL_Cursor *empty_cursor;
57 
58 static SDL_Cursor *
59 Android_WrapCursor(int custom_cursor, int system_cursor)
60 {
62 
63  cursor = SDL_calloc(1, sizeof(*cursor));
64  if (cursor) {
65  SDL_AndroidCursorData *data = (SDL_AndroidCursorData*)SDL_calloc(1, sizeof(*data));
66  if (data) {
67  data->custom_cursor = custom_cursor;
68  data->system_cursor = system_cursor;
69  cursor->driverdata = data;
70  } else {
71  SDL_free(cursor);
72  cursor = NULL;
74  }
75  } else {
77  }
78 
79  return cursor;
80 }
81 
82 static SDL_Cursor *
83 Android_CreateDefaultCursor()
84 {
85  return Android_WrapCursor(0, SDL_SYSTEM_CURSOR_ARROW);
86 }
87 
88 static SDL_Cursor *
89 Android_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
90 {
91  int custom_cursor;
92  SDL_Surface *converted;
93 
94  converted = SDL_ConvertSurfaceFormat(surface, SDL_PIXELFORMAT_ARGB8888, 0);
95  if (!converted) {
96  return NULL;
97  }
98  custom_cursor = Android_JNI_CreateCustomCursor(converted, hot_x, hot_y);
99  SDL_FreeSurface(converted);
100  if (!custom_cursor) {
101  SDL_Unsupported();
102  return NULL;
103  }
104  return Android_WrapCursor(custom_cursor, 0);
105 }
106 
107 static SDL_Cursor *
108 Android_CreateSystemCursor(SDL_SystemCursor id)
109 {
110  return Android_WrapCursor(0, id);
111 }
112 
113 static void
114 Android_FreeCursor(SDL_Cursor * cursor)
115 {
116  SDL_free(cursor->driverdata);
117  SDL_free(cursor);
118 }
119 
120 static SDL_Cursor *
121 Android_CreateEmptyCursor()
122 {
123  if (!empty_cursor) {
125  if (empty_surface) {
126  SDL_memset(empty_surface->pixels, 0, empty_surface->h * empty_surface->pitch);
127  empty_cursor = Android_CreateCursor(empty_surface, 0, 0);
128  SDL_FreeSurface(empty_surface);
129  }
130  }
131  return empty_cursor;
132 }
133 
134 static void
135 Android_DestroyEmptyCursor()
136 {
137  if (empty_cursor) {
138  Android_FreeCursor(empty_cursor);
139  empty_cursor = NULL;
140  }
141 }
142 
143 static int
144 Android_ShowCursor(SDL_Cursor * cursor)
145 {
146  if (!cursor) {
147  cursor = Android_CreateEmptyCursor();
148  }
149  if (cursor) {
150  SDL_AndroidCursorData *data = (SDL_AndroidCursorData*)cursor->driverdata;
151  if (data->custom_cursor) {
152  if (!Android_JNI_SetCustomCursor(data->custom_cursor)) {
153  return SDL_Unsupported();
154  }
155  } else {
156  if (!Android_JNI_SetSystemCursor(data->system_cursor)) {
157  return SDL_Unsupported();
158  }
159  }
160  return 0;
161  } else {
162  /* SDL error set inside Android_CreateEmptyCursor() */
163  return -1;
164  }
165 }
166 
167 static int
168 Android_SetRelativeMouseMode(SDL_bool enabled)
169 {
171  return SDL_Unsupported();
172  }
173 
174  if (!Android_JNI_SetRelativeMouseEnabled(enabled)) {
175  return SDL_Unsupported();
176  }
177 
178  return 0;
179 }
180 
181 void
182 Android_InitMouse(void)
183 {
184  SDL_Mouse *mouse = SDL_GetMouse();
185 
186  mouse->CreateCursor = Android_CreateCursor;
187  mouse->CreateSystemCursor = Android_CreateSystemCursor;
188  mouse->ShowCursor = Android_ShowCursor;
189  mouse->FreeCursor = Android_FreeCursor;
190  mouse->SetRelativeMouseMode = Android_SetRelativeMouseMode;
191 
192  SDL_SetDefaultCursor(Android_CreateDefaultCursor());
193 
194  last_state = 0;
195 }
196 
197 void
198 Android_QuitMouse(void)
199 {
200  Android_DestroyEmptyCursor();
201 }
202 
203 /* Translate Android mouse button state to SDL mouse button */
204 static Uint8
205 TranslateButton(int state)
206 {
207  if (state & BUTTON_PRIMARY) {
208  return SDL_BUTTON_LEFT;
209  } else if (state & BUTTON_SECONDARY) {
210  return SDL_BUTTON_RIGHT;
211  } else if (state & BUTTON_TERTIARY) {
212  return SDL_BUTTON_MIDDLE;
213  } else if (state & BUTTON_FORWARD) {
214  return SDL_BUTTON_X1;
215  } else if (state & BUTTON_BACK) {
216  return SDL_BUTTON_X2;
217  } else {
218  return 0;
219  }
220 }
221 
222 void
223 Android_OnMouse(int state, int action, float x, float y, SDL_bool relative)
224 {
225  int changes;
226  Uint8 button;
227 
228  if (!Android_Window) {
229  return;
230  }
231 
232  switch(action) {
233  case ACTION_DOWN:
234  changes = state & ~last_state;
235  button = TranslateButton(changes);
236  last_state = state;
237  SDL_SendMouseMotion(Android_Window, 0, relative, x, y);
239  break;
240 
241  case ACTION_UP:
242  changes = last_state & ~state;
243  button = TranslateButton(changes);
244  last_state = state;
245  SDL_SendMouseMotion(Android_Window, 0, relative, x, y);
247  break;
248 
249  case ACTION_MOVE:
250  case ACTION_HOVER_MOVE:
251  SDL_SendMouseMotion(Android_Window, 0, relative, x, y);
252  break;
253 
254  case ACTION_SCROLL:
256  break;
257 
258  default:
259  break;
260  }
261 }
262 
263 #endif /* SDL_VIDEO_DRIVER_ANDROID */
264 
265 /* vi: set ts=4 sw=4 expandtab: */
266 
#define SDL_ConvertSurfaceFormat
void Android_OnMouse(int button, int action, float x, float y, SDL_bool relative)
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:144
int(* ShowCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:52
SDL_Texture * button
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
void Android_QuitMouse(void)
int(* SetRelativeMouseMode)(SDL_bool enabled)
Definition: SDL_mouse_c.h:67
#define SDL_BUTTON_RIGHT
Definition: SDL_mouse.h:284
struct xkb_state * state
EGLSurface surface
Definition: eglext.h:248
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
void Android_InitMouse(void)
set set set set set set set macro pixldst1 abits if abits op else op endif endm macro pixldst2 abits if abits op else op endif endm macro pixldst4 abits if abits op else op endif endm macro pixldst0 abits op endm macro pixldst3 mem_operand op endm macro pixldst30 mem_operand op endm macro pixldst abits if abits elseif abits elseif abits elseif abits elseif abits pixldst0 abits else pixldst0 abits pixldst0 abits pixldst0 abits pixldst0 abits endif elseif abits else pixldst0 abits pixldst0 abits endif elseif abits else error unsupported bpp *numpix else pixst endif endm macro pixld1_s mem_operand if asr adds SRC_WIDTH_FIXED bpl add asl mov asr adds SRC_WIDTH_FIXED bpl add asl mov asr adds SRC_WIDTH_FIXED bpl add asl mov asr adds SRC_WIDTH_FIXED bpl add asl elseif asr adds SRC_WIDTH_FIXED bpl add asl mov asr adds SRC_WIDTH_FIXED bpl add asl else error unsupported endif endm macro pixld2_s mem_operand if mov asr add asl add asl mov asr sub UNIT_X add asl mov asr add asl add asl mov asr add UNIT_X add asl else pixld1_s mem_operand pixld1_s mem_operand endif endm macro pixld0_s mem_operand if asr adds SRC_WIDTH_FIXED bpl add asl elseif asr adds SRC_WIDTH_FIXED bpl add asl endif endm macro pixld_s_internal mem_operand if mem_operand pixld2_s mem_operand pixdeinterleave basereg elseif mem_operand elseif mem_operand elseif mem_operand elseif mem_operand pixld0_s mem_operand else pixld0_s mem_operand pixld0_s mem_operand pixld0_s mem_operand pixld0_s mem_operand endif elseif mem_operand else pixld0_s mem_operand pixld0_s mem_operand endif elseif mem_operand else error unsupported mem_operand if bpp mem_operand endif endm macro vuzp8 reg2 vuzp d d &reg2 endm macro vzip8 reg2 vzip d d &reg2 endm macro pixdeinterleave basereg basereg basereg basereg basereg endif endm macro pixinterleave basereg basereg basereg basereg basereg endif endm macro PF boost_increment endif if endif PF tst PF addne PF subne PF cmp ORIG_W if endif if endif if endif PF subge ORIG_W PF subges if endif if endif if endif endif endm macro cache_preload_simple endif if dst_r_bpp pld [DST_R, #(PREFETCH_DISTANCE_SIMPLE *dst_r_bpp/8)] endif if mask_bpp pld if[MASK, #(PREFETCH_DISTANCE_SIMPLE *mask_bpp/8)] endif endif endm macro fetch_mask_pixblock pixld mask_basereg pixblock_size MASK endm macro ensure_destination_ptr_alignment process_pixblock_tail_head if beq irp local skip1(dst_w_bpp<=(lowbit *8)) &&((lowbit *8)<(pixblock_size *dst_w_bpp)) .if lowbit< 16 tst DST_R
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
#define SDL_BUTTON_X1
Definition: SDL_mouse.h:285
int Android_JNI_CreateCustomCursor(SDL_Surface *surface, int hot_x, int hot_y)
SDL_Cursor *(* CreateCursor)(SDL_Surface *surface, int hot_x, int hot_y)
Definition: SDL_mouse_c.h:46
int SDL_SendMouseMotion(SDL_Window *window, SDL_MouseID mouseID, int relative, int x, int y)
Definition: SDL_mouse.c:263
#define SDL_BUTTON_LEFT
Definition: SDL_mouse.h:282
void * pixels
Definition: SDL_surface.h:75
#define SDL_FreeSurface
uint8_t Uint8
Definition: SDL_stdinc.h:179
#define SDL_free
SDL_bool Android_JNI_SupportsRelativeMouse(void)
SDL_Window * Android_Window
SDL_bool Android_JNI_SetSystemCursor(int cursorID)
SDL_SystemCursor
Cursor types for SDL_CreateSystemCursor().
Definition: SDL_mouse.h:46
#define SDL_BUTTON_MIDDLE
Definition: SDL_mouse.h:283
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
SDL_Cursor * cursor
Definition: testwm2.c:40
void SDL_SetDefaultCursor(SDL_Cursor *cursor)
Definition: SDL_mouse.c:133
SDL_bool Android_JNI_SetRelativeMouseEnabled(SDL_bool enabled)
GLenum GLenum GLsizei const GLuint GLboolean enabled
void(* FreeCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:58
#define NULL
Definition: begin_code.h:164
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_bool
Definition: SDL_stdinc.h:161
int SDL_SendMouseWheel(SDL_Window *window, SDL_MouseID mouseID, float x, float y, SDL_MouseWheelDirection direction)
Definition: SDL_mouse.c:538
#define SDL_calloc
SDL_bool Android_JNI_SetCustomCursor(int cursorID)
int system_cursor
Definition: testwm2.c:39
#define SDL_PRESSED
Definition: SDL_events.h:50
#define SDL_BUTTON_X2
Definition: SDL_mouse.h:286
#define SDL_CreateRGBSurfaceWithFormat
#define SDL_RELEASED
Definition: SDL_events.h:49
SDL_Cursor *(* CreateSystemCursor)(SDL_SystemCursor id)
Definition: SDL_mouse_c.h:49
void * driverdata
Definition: SDL_mouse_c.h:33
set set set set set set set set set set set set set set set set set set set set *set set set macro pixldst op &r &cond WK op &r &cond WK op &r &cond WK else op &m &cond &ia op &r &cond WK else op &m &cond &ia elseif elseif else error unsupported base if elseif elseif else error unsupported unaligned pixldst unaligned endm macro pixst base base else pixldst base endif endm macro PF base if bpp PF set rept prefetch_distance PF set OFFSET endr endif endm macro preload_leading_step2 base if bpp ifc DST PF PF else if bpp lsl PF PF lsl PF PF lsl PF PF PF else PF lsl PF lsl PF lsl PF endif SIZE macro preload_middle scratch_holds_offset if bpp if else PF PF endif endif endif endm macro preload_trailing base if bpp if bpp *pix_per_block PF PF lsl PF PF PF PF PF else PF lsl PF lsl PF PF PF PF PF base if bpp if narrow_case &&bpp<=dst_w_bpp) PF bic, WK0, base, #31 PF pld, [WK0] PF add, WK1, base, X, LSL #bpp_shift PF sub, WK1, WK1, #1 PF bic, WK1, WK1, #31 PF cmp, WK1, WK0 PF beq, 90f PF pld, [WK1]90:.else PF bic, WK0, base, #31 PF pld, [WK0] PF add, WK1, base, X, lsl #bpp_shift PF sub, WK1, WK1, #1 PF bic, WK1, WK1, #31 PF cmp, WK1, WK0 PF beq, 92f91:PF add, WK0, WK0, #32 PF cmp, WK0, WK1 PF pld, [WK0] PF bne, 91b92:.endif .endif.endm.macro conditional_process1_helper cond, process_head, process_tail, numbytes, firstreg, unaligned_src, unaligned_mask, decrementx process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, 0 .if decrementx sub &cond X, X, #8 *numbytes/dst_w_bpp .endif process_tail cond, numbytes, firstreg .if !((flags) &FLAG_PROCESS_DOES_STORE) pixst cond, numbytes, firstreg, DST .endif.endm.macro conditional_process1 cond, process_head, process_tail, numbytes, firstreg, unaligned_src, unaligned_mask, decrementx .if(flags) &FLAG_BRANCH_OVER .ifc cond, mi bpl 100f .endif .ifc cond, cs bcc 100f .endif .ifc cond, ne beq 100f .endif conditional_process1_helper, process_head, process_tail, numbytes, firstreg, unaligned_src, unaligned_mask, decrementx100:.else conditional_process1_helper cond, process_head, process_tail, numbytes, firstreg, unaligned_src, unaligned_mask, decrementx .endif.endm.macro conditional_process2 test, cond1, cond2, process_head, process_tail, numbytes1, numbytes2, firstreg1, firstreg2, unaligned_src, unaligned_mask, decrementx .if(flags) &(FLAG_DST_READWRITE|FLAG_BRANCH_OVER|FLAG_PROCESS_CORRUPTS_PSR|FLAG_PROCESS_DOES_STORE) test conditional_process1 cond1, process_head, process_tail, numbytes1, firstreg1, unaligned_src, unaligned_mask, decrementx .if(flags) &FLAG_PROCESS_CORRUPTS_PSR test .endif conditional_process1 cond2, process_head, process_tail, numbytes2, firstreg2, unaligned_src, unaligned_mask, decrementx .else test process_head cond1, numbytes1, firstreg1, unaligned_src, unaligned_mask, 0 process_head cond2, numbytes2, firstreg2, unaligned_src, unaligned_mask, 0 .if decrementx sub &cond1 X, X, #8 *numbytes1/dst_w_bpp sub &cond2 X, X, #8 *numbytes2/dst_w_bpp .endif process_tail cond1, numbytes1, firstreg1 process_tail cond2, numbytes2, firstreg2 pixst cond1, numbytes1, firstreg1, DST pixst cond2, numbytes2, firstreg2, DST .endif.endm.macro test_bits_1_0_ptr .if(flags) &FLAG_PROCESS_CORRUPTS_WK0 movs SCRATCH, X, lsl #32-1 .else movs SCRATCH, WK0, lsl #32-1 .endif.endm.macro test_bits_3_2_ptr .if(flags) &FLAG_PROCESS_CORRUPTS_WK0 movs SCRATCH, X, lsl #32-3 .else movs SCRATCH, WK0, lsl #32-3 .endif.endm.macro leading_15bytes process_head, process_tail .set DECREMENT_X, 1 .if(flags) &FLAG_PROCESS_CORRUPTS_WK0 .set DECREMENT_X, 0 sub X, X, WK0, lsr #dst_bpp_shift str X, [sp, #LINE_SAVED_REG_COUNT *4] mov X, WK0 .endif .if dst_w_bpp==8 conditional_process2 test_bits_1_0_ptr, mi, cs, process_head, process_tail, 1, 2, 1, 2, 1, 1, DECREMENT_X .elseif dst_w_bpp==16 test_bits_1_0_ptr conditional_process1 cs, process_head, process_tail, 2, 2, 1, 1, DECREMENT_X .endif conditional_process2 test_bits_3_2_ptr, mi, cs, process_head, process_tail, 4, 8, 1, 2, 1, 1, DECREMENT_X .if(flags) &FLAG_PROCESS_CORRUPTS_WK0 ldr X, [sp, #LINE_SAVED_REG_COUNT *4] .endif.endm.macro test_bits_3_2_pix movs SCRATCH, X, lsl #dst_bpp_shift+32-3.endm.macro test_bits_1_0_pix .if dst_w_bpp==8 movs SCRATCH, X, lsl #dst_bpp_shift+32-1 .else movs SCRATCH, X, lsr #1 .endif.endm.macro trailing_15bytes process_head, process_tail, unaligned_src, unaligned_mask conditional_process2 test_bits_3_2_pix, cs, mi, process_head, process_tail, 8, 4, 0, 2, unaligned_src, unaligned_mask, 0 .if dst_w_bpp==16 test_bits_1_0_pix conditional_process1 cs, process_head, process_tail, 2, 0, unaligned_src, unaligned_mask, 0 .elseif dst_w_bpp==8 conditional_process2 test_bits_1_0_pix, cs, mi, process_head, process_tail, 2, 1, 0, 1, unaligned_src, unaligned_mask, 0 .endif.endm.macro wide_case_inner_loop process_head, process_tail, unaligned_src, unaligned_mask, dst_alignment110:.set SUBBLOCK, 0 .rept pix_per_block *dst_w_bpp/128 process_head, 16, 0, unaligned_src, unaligned_mask, 1 .if(src_bpp > 0) &&(mask_bpp==0) &&((flags) &FLAG_PROCESS_PRESERVES_SCRATCH) preload_middle src_bpp, SRC, 1 .elseif(src_bpp==0) &&(mask_bpp > 0) &&((flags) &FLAG_PROCESS_PRESERVES_SCRATCH) preload_middle mask_bpp, MASK, 1 .else preload_middle src_bpp, SRC, 0 preload_middle mask_bpp, MASK, 0 .endif .if(dst_r_bpp > 0) &&((SUBBLOCK % 2)==0) &&(((flags) &FLAG_NO_PRELOAD_DST)==0) PF pld, [DST, #32 *prefetch_distance - dst_alignment] .endif process_tail, 16, 0 .if !((flags) &FLAG_PROCESS_DOES_STORE) pixst, 16, 0, DST .endif .set SUBBLOCK, SUBBLOCK+1 .endr subs X, X, #pix_per_block bhs 110b.endm.macro wide_case_inner_loop_and_trailing_pixels process_head, process_tail, process_inner_loop, exit_label, unaligned_src, unaligned_mask .if dst_r_bpp > tst bne process_inner_loop DST_PRELOAD_BIAS endif preload_trailing SRC preload_trailing MASK DST endif add medium_case_inner_loop_and_trailing_pixels unaligned_mask endm macro medium_case_inner_loop_and_trailing_pixels DST endif subs bhs tst beq exit_label trailing_15bytes unaligned_mask endm macro narrow_case_inner_loop_and_trailing_pixels unaligned_mask tst conditional_process1 trailing_15bytes unaligned_mask endm macro switch_on_alignment action
int SDL_SendMouseButton(SDL_Window *window, SDL_MouseID mouseID, Uint8 state, Uint8 button)
Definition: SDL_mouse.c:532
#define SDL_Unsupported()
Definition: SDL_error.h:53
#define SDL_memset
int uint32_t uint32_t uint32_t uint32_t uint32_t int drmModeModeInfoPtr mode int uint32_t uint32_t uint32_t uint32_t int32_t hot_x
Definition: SDL_kmsdrmsym.h:55