SDL  2.0
SDL_displayevents.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 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) {
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;
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: */
uint8_t Uint8
Definition: SDL_stdinc.h:179
#define SDL_ENABLE
Definition: SDL_events.h:756
SDL_DisplayOrientation
Definition: SDL_video.h:181
int SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
Definition: SDL_video.c:645
#define SDL_GetEventState(type)
Definition: SDL_events.h:769
struct _cl_event * event
#define SDL_PushEvent
int SDL_SendDisplayEvent(SDL_VideoDisplay *display, Uint8 displayevent, int data1)
General event structure.
Definition: SDL_events.h:557
SDL_DisplayOrientation orientation
Definition: SDL_sysvideo.h:133