SDL 2.0
SDL_androidmouse.c
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2019 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
45typedef 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) */
53static int last_state;
54
55/* Blank cursor */
56static SDL_Cursor *empty_cursor;
57
58static SDL_Cursor *
59Android_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;
70 } else {
72 cursor = NULL;
74 }
75 } else {
77 }
78
79 return cursor;
80}
81
82static SDL_Cursor *
83Android_CreateDefaultCursor()
84{
85 return Android_WrapCursor(0, SDL_SYSTEM_CURSOR_ARROW);
86}
87
88static SDL_Cursor *
89Android_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
90{
91 int custom_cursor;
92 SDL_Surface *converted;
93
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) {
102 return NULL;
103 }
104 return Android_WrapCursor(custom_cursor, 0);
105}
106
107static SDL_Cursor *
108Android_CreateSystemCursor(SDL_SystemCursor id)
109{
110 return Android_WrapCursor(0, id);
111}
112
113static void
114Android_FreeCursor(SDL_Cursor * cursor)
115{
118}
119
120static SDL_Cursor *
121Android_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
134static void
135Android_DestroyEmptyCursor()
136{
137 if (empty_cursor) {
138 Android_FreeCursor(empty_cursor);
139 empty_cursor = NULL;
140 }
141}
142
143static int
144Android_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
167static int
168Android_SetRelativeMouseMode(SDL_bool enabled)
169{
171 return SDL_Unsupported();
172 }
173
175 return SDL_Unsupported();
176 }
177
178 return 0;
179}
180
181void
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
197void
199{
200 Android_DestroyEmptyCursor();
201}
202
203/* Translate Android mouse button state to SDL mouse button */
204static Uint8
205TranslateButton(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
222void
223Android_OnMouse(SDL_Window *window, int state, int action, float x, float y, SDL_bool relative)
224{
225 int changes;
227
228 if (!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(window, 0, relative, (int)x, (int)y);
239 break;
240
241 case ACTION_UP:
242 changes = last_state & ~state;
243 button = TranslateButton(changes);
244 last_state = state;
245 SDL_SendMouseMotion(window, 0, relative, (int)x, (int)y);
247 break;
248
249 case ACTION_MOVE:
250 case ACTION_HOVER_MOVE:
251 SDL_SendMouseMotion(window, 0, relative, (int)x, (int)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
SDL_bool Android_JNI_SupportsRelativeMouse(void)
SDL_bool Android_JNI_SetRelativeMouseEnabled(SDL_bool enabled)
SDL_bool Android_JNI_SetCustomCursor(int cursorID)
SDL_bool Android_JNI_SetSystemCursor(int cursorID)
int Android_JNI_CreateCustomCursor(SDL_Surface *surface, int hot_x, int hot_y)
void Android_OnMouse(SDL_Window *window, int button, int action, float x, float y, SDL_bool relative)
void Android_QuitMouse(void)
void Android_InitMouse(void)
#define SDL_memset
#define SDL_ConvertSurfaceFormat
#define SDL_free
#define SDL_CreateRGBSurfaceWithFormat
#define SDL_FreeSurface
#define SDL_calloc
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
#define SDL_Unsupported()
Definition: SDL_error.h:53
#define SDL_RELEASED
Definition: SDL_events.h:49
#define SDL_PRESSED
Definition: SDL_events.h:50
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:57
int SDL_SendMouseButton(SDL_Window *window, SDL_MouseID mouseID, Uint8 state, Uint8 button)
Definition: SDL_mouse.c:605
void SDL_SetDefaultCursor(SDL_Cursor *cursor)
Definition: SDL_mouse.c:167
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:178
int SDL_SendMouseWheel(SDL_Window *window, SDL_MouseID mouseID, float x, float y, SDL_MouseWheelDirection direction)
Definition: SDL_mouse.c:611
int SDL_SendMouseMotion(SDL_Window *window, SDL_MouseID mouseID, int relative, int x, int y)
Definition: SDL_mouse.c:301
#define SDL_BUTTON_X1
Definition: SDL_mouse.h:285
#define SDL_BUTTON_X2
Definition: SDL_mouse.h:286
SDL_SystemCursor
Cursor types for SDL_CreateSystemCursor().
Definition: SDL_mouse.h:47
@ SDL_SYSTEM_CURSOR_ARROW
Definition: SDL_mouse.h:48
#define SDL_BUTTON_MIDDLE
Definition: SDL_mouse.h:283
#define SDL_BUTTON_RIGHT
Definition: SDL_mouse.h:284
#define SDL_BUTTON_LEFT
Definition: SDL_mouse.h:282
@ SDL_MOUSEWHEEL_NORMAL
Definition: SDL_mouse.h:68
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
GLenum GLenum GLsizei const GLuint GLboolean enabled
@ SDL_PIXELFORMAT_ARGB8888
Definition: SDL_pixels.h:248
SDL_bool
Definition: SDL_stdinc.h:162
uint8_t Uint8
Definition: SDL_stdinc.h:179
struct xkb_state * state
#define NULL
Definition: begin_code.h:167
EGLSurface surface
Definition: eglext.h:248
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
void * driverdata
Definition: SDL_mouse_c.h:33
int(* SetRelativeMouseMode)(SDL_bool enabled)
Definition: SDL_mouse_c.h:67
void(* FreeCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:58
int(* ShowCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:52
SDL_Cursor *(* CreateSystemCursor)(SDL_SystemCursor id)
Definition: SDL_mouse_c.h:49
SDL_Cursor *(* CreateCursor)(SDL_Surface *surface, int hot_x, int hot_y)
Definition: SDL_mouse_c.h:46
A collection of pixels used in software blitting.
Definition: SDL_surface.h:71
void * pixels
Definition: SDL_surface.h:76
The type used to identify a window.
Definition: SDL_sysvideo.h:74
SDL_Texture * button
SDL_Cursor * cursor
Definition: testwm2.c:40
int system_cursor
Definition: testwm2.c:39