SDL
2.0
SDL_displayevents.c
Go to the documentation of this file.
1
/*
2
Simple DirectMedia Layer
3
Copyright (C) 1997-2020 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: */
SDL_events.h
SDL_DISPLAYEVENT
@ SDL_DISPLAYEVENT
Definition:
SDL_events.h:89
SDL_DISPLAYEVENT_ORIENTATION
@ SDL_DISPLAYEVENT_ORIENTATION
Definition:
SDL_video.h:177
SDL_ENABLE
#define SDL_ENABLE
Definition:
SDL_events.h:760
SDL_SendDisplayEvent
int SDL_SendDisplayEvent(SDL_VideoDisplay *display, Uint8 displayevent, int data1)
Definition:
SDL_displayevents.c:30
event
struct _cl_event * event
Definition:
SDL_opengl_glext.h:2652
SDL_GetEventState
#define SDL_GetEventState(type)
Definition:
SDL_events.h:773
SDL_DisplayOrientation
SDL_DisplayOrientation
Definition:
SDL_video.h:180
SDL_PushEvent
#define SDL_PushEvent
Definition:
SDL_dynapi_overrides.h:125
SDL_GetIndexOfDisplay
int SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
Definition:
SDL_video.c:645
SDL_VideoDisplay
Definition:
SDL_sysvideo.h:126
SDL_events_c.h
SDL_ORIENTATION_UNKNOWN
@ SDL_ORIENTATION_UNKNOWN
Definition:
SDL_video.h:182
SDL_Event
General event structure.
Definition:
SDL_events.h:558
SDL_VideoDisplay::orientation
SDL_DisplayOrientation orientation
Definition:
SDL_sysvideo.h:134
Uint8
uint8_t Uint8
Definition:
SDL_stdinc.h:179
src
events
SDL_displayevents.c
Generated by
1.8.17