src/events/SDL_displayevents.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 04 Jan 2019 22:01:14 -0800
changeset 12503 806492103856
parent 12145 1f17cc93857c
permissions -rw-r--r--
Updated copyright for 2019
     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 #include "../SDL_internal.h"
    22 
    23 /* Display event handling code for SDL */
    24 
    25 #include "SDL_events.h"
    26 #include "SDL_events_c.h"
    27 
    28 
    29 int
    30 SDL_SendDisplayEvent(SDL_VideoDisplay *display, Uint8 displayevent, int data1)
    31 {
    32     int posted;
    33 
    34     if (!display) {
    35         return 0;
    36     }
    37     switch (displayevent) {
    38     case SDL_DISPLAYEVENT_ORIENTATION:
    39         if (data1 == SDL_ORIENTATION_UNKNOWN || data1 == display->orientation) {
    40             return 0;
    41         }
    42         display->orientation = (SDL_DisplayOrientation)data1;
    43         break;
    44     }
    45 
    46     /* Post the event, if desired */
    47     posted = 0;
    48     if (SDL_GetEventState(SDL_DISPLAYEVENT) == SDL_ENABLE) {
    49         SDL_Event event;
    50         event.type = SDL_DISPLAYEVENT;
    51         event.display.event = displayevent;
    52         event.display.display = SDL_GetIndexOfDisplay(display);
    53         event.display.data1 = data1;
    54         posted = (SDL_PushEvent(&event) > 0);
    55     }
    56 
    57     return (posted);
    58 }
    59 
    60 /* vi: set ts=4 sw=4 expandtab: */