SDL-mirror/src/video/cocoa/SDL_cocoamouse.m

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2011 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#include "SDL_events.h"
#include "SDL_cocoavideo.h"

#include "../../events/SDL_mouse_c.h"

void
Cocoa_InitMouse(_THIS)
{
}

static int
ConvertMouseButtonToSDL(int button)
{
    switch (button)
    {
        case 0:
            return(SDL_BUTTON_LEFT);   /* 1 */
        case 1:
            return(SDL_BUTTON_RIGHT);  /* 3 */
        case 2:
            return(SDL_BUTTON_MIDDLE); /* 2 */
    }
    return button+1;
}

void
Cocoa_HandleMouseEvent(_THIS, NSEvent *event)
{
    /* We're correctly using views even in fullscreen mode now */
}

void
Cocoa_HandleMouseWheel(SDL_Window *window, NSEvent *event)
{
    float x = [event deltaX];
    float y = [event deltaY];

    if (x > 0) {
        x += 0.9f;
    } else if (x < 0) {
        x -= 0.9f;
    }
    if (y > 0) {
        y += 0.9f;
    } else if (y < 0) {
        y -= 0.9f;
    }
    SDL_SendMouseWheel(window, (int)x, (int)y);
}

void
Cocoa_QuitMouse(_THIS)
{
}

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