SDL_androidmouse.c
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/*
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 SDL_VIDEO_DRIVER_ANDROID
#include "SDL_androidmouse.h"
#include "SDL_events.h"
#include "../../events/SDL_mouse_c.h"
#include "../../core/android/SDL_android.h"
/* See Android's MotionEvent class for constants */
#define ACTION_DOWN 0
#define ACTION_UP 1
#define ACTION_MOVE 2
#define ACTION_HOVER_MOVE 7
#define ACTION_SCROLL 8
#define BUTTON_PRIMARY 1
#define BUTTON_SECONDARY 2
#define BUTTON_TERTIARY 4
#define BUTTON_BACK 8
#define BUTTON_FORWARD 16
/* Last known Android mouse button state (includes all buttons) */
static int last_state;
void
Android_InitMouse(void)
{
last_state = 0;
}
/* Translate Android mouse button state to SDL mouse button */
static Uint8
TranslateButton(int state)
{
if (state & BUTTON_PRIMARY) {
return SDL_BUTTON_LEFT;
} else if (state & BUTTON_SECONDARY) {
return SDL_BUTTON_RIGHT;
} else if (state & BUTTON_TERTIARY) {
return SDL_BUTTON_MIDDLE;
} else if (state & BUTTON_FORWARD) {
return SDL_BUTTON_X1;
} else if (state & BUTTON_BACK) {
return SDL_BUTTON_X2;
} else {
return 0;
}
}
void
Android_OnMouse(int state, int action, float x, float y)
{
int changes;
Uint8 button;
if (!Android_Window) {
return;
}
switch(action) {
case ACTION_DOWN:
changes = state & ~last_state;
button = TranslateButton(changes);
last_state = state;
SDL_SendMouseMotion(Android_Window, 0, 0, x, y);
SDL_SendMouseButton(Android_Window, 0, SDL_PRESSED, button);
break;
case ACTION_UP:
changes = last_state & ~state;
button = TranslateButton(changes);
last_state = state;
SDL_SendMouseMotion(Android_Window, 0, 0, x, y);
SDL_SendMouseButton(Android_Window, 0, SDL_RELEASED, button);
break;
case ACTION_MOVE:
case ACTION_HOVER_MOVE:
SDL_SendMouseMotion(Android_Window, 0, 0, x, y);
break;
case ACTION_SCROLL:
SDL_SendMouseWheel(Android_Window, 0, x, y, SDL_MOUSEWHEEL_NORMAL);
break;
default:
break;
}
}
#endif /* SDL_VIDEO_DRIVER_ANDROID */
/* vi: set ts=4 sw=4 expandtab: */
button
SDL_Texture * button
Definition: testgamecontroller.c:67
x
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
SDL_MOUSEWHEEL_NORMAL
Definition: SDL_mouse.h:68
SDL_BUTTON_RIGHT
#define SDL_BUTTON_RIGHT
Definition: SDL_mouse.h:284
state
struct xkb_state * state
Definition: SDL_waylandsym.h:113
Android_InitMouse
void Android_InitMouse(void)
SDL_events.h
SDL_BUTTON_X1
#define SDL_BUTTON_X1
Definition: SDL_mouse.h:285
SDL_SendMouseMotion
int SDL_SendMouseMotion(SDL_Window *window, SDL_MouseID mouseID, int relative, int x, int y)
Definition: SDL_mouse.c:237
SDL_BUTTON_LEFT
#define SDL_BUTTON_LEFT
Definition: SDL_mouse.h:282
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:157
Android_Window
SDL_Window * Android_Window
SDL_BUTTON_MIDDLE
#define SDL_BUTTON_MIDDLE
Definition: SDL_mouse.h:283
y
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
Android_OnMouse
void Android_OnMouse(int button, int action, float x, float y)
SDL_SendMouseWheel
int SDL_SendMouseWheel(SDL_Window *window, SDL_MouseID mouseID, float x, float y, SDL_MouseWheelDirection direction)
Definition: SDL_mouse.c:512
SDL_PRESSED
#define SDL_PRESSED
Definition: SDL_events.h:50
SDL_BUTTON_X2
#define SDL_BUTTON_X2
Definition: SDL_mouse.h:286
SDL_RELEASED
#define SDL_RELEASED
Definition: SDL_events.h:49
SDL_androidmouse.h
SDL_SendMouseButton
int SDL_SendMouseButton(SDL_Window *window, SDL_MouseID mouseID, Uint8 state, Uint8 button)
Definition: SDL_mouse.c:506