src/video/mir/SDL_mirmouse.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 04 Jun 2014 10:55:26 -0700
changeset 8815 c6d0a457f3b2
parent 8159 427e8fdf6f69
child 9619 b94b6d0bff0f
permissions -rw-r--r--
Added an API function to warp the mouse cursor in global screen space: SDL_WarpMouseGlobal()
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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/*
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  Contributed by Brandon Schaefer, <brandon.schaefer@canonical.com>
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*/
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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_MIR
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#include "SDL_mirmouse.h"
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#include "../../events/SDL_mouse_c.h"
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#include "SDL_assert.h"
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#include "SDL_mirdyn.h"
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static SDL_Cursor*
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MIR_CreateDefaultCursor()
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{
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    SDL_Cursor* cursor;
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    cursor = SDL_calloc(1, sizeof(SDL_Cursor));
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    if (cursor) {
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    }
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    else {
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        SDL_OutOfMemory();
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    }
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    return cursor;
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}
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static SDL_Cursor*
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MIR_CreateCursor(SDL_Surface* sruface, int hot_x, int hot_y)
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{
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    return MIR_CreateDefaultCursor();
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}
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static SDL_Cursor*
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MIR_CreateSystemCursor(SDL_SystemCursor id)
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{
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    switch(id) {
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        case SDL_SYSTEM_CURSOR_ARROW:
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            break;
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        case SDL_SYSTEM_CURSOR_IBEAM:
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            break;
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        case SDL_SYSTEM_CURSOR_WAIT:
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            break;
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        case SDL_SYSTEM_CURSOR_CROSSHAIR:
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            break;
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        case SDL_SYSTEM_CURSOR_WAITARROW:
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            break;
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        case SDL_SYSTEM_CURSOR_SIZENWSE:
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            break;
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        case SDL_SYSTEM_CURSOR_SIZENESW:
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            break;
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        case SDL_SYSTEM_CURSOR_SIZEWE:
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            break;
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        case SDL_SYSTEM_CURSOR_SIZENS:
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            break;
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        case SDL_SYSTEM_CURSOR_SIZEALL:
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            break;
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        case SDL_SYSTEM_CURSOR_NO:
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            break;
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        case SDL_SYSTEM_CURSOR_HAND:
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            break;
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        default:
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            SDL_assert(0);
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            return NULL;
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    }
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    return MIR_CreateDefaultCursor();
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}
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static void
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MIR_FreeCursor(SDL_Cursor* cursor)
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{
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    if (cursor)
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      SDL_free(cursor);
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}
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static int
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MIR_ShowCursor(SDL_Cursor* cursor)
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{
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    return 0;
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}
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static void
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MIR_WarpMouse(SDL_Window* window, int x, int y)
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{
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    SDL_Unsupported();
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}
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static void
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MIR_WarpMouseGlobal(int x, int y)
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{
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    SDL_Unsupported();
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}
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static int
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MIR_SetRelativeMouseMode(SDL_bool enabled)
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{
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    return SDL_Unsupported();
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}
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/* TODO Actually implement the cursor, need to wait for mir support */
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void
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MIR_InitMouse()
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{
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    SDL_Mouse* mouse = SDL_GetMouse();
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    mouse->CreateCursor         = MIR_CreateCursor;
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    mouse->ShowCursor           = MIR_ShowCursor;
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    mouse->FreeCursor           = MIR_FreeCursor;
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    mouse->WarpMouse            = MIR_WarpMouse;
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    mouse->WarpMouseGlobal      = MIR_WarpMouseGlobal;
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    mouse->CreateSystemCursor   = MIR_CreateSystemCursor;
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    mouse->SetRelativeMouseMode = MIR_SetRelativeMouseMode;
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    SDL_SetDefaultCursor(MIR_CreateDefaultCursor());
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}
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void
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MIR_FiniMouse()
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{
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    SDL_Mouse* mouse = SDL_GetMouse();
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    MIR_FreeCursor(mouse->def_cursor);
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    mouse->def_cursor = NULL;
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    mouse->CreateCursor         = NULL;
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    mouse->ShowCursor           = NULL;
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    mouse->FreeCursor           = NULL;
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    mouse->WarpMouse            = NULL;
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    mouse->CreateSystemCursor   = NULL;
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    mouse->SetRelativeMouseMode = NULL;
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}
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#endif /* SDL_VIDEO_DRIVER_MIR */
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/* vi: set ts=4 sw=4 expandtab: */
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