SDL_displayevents.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../SDL_internal.h"
/* Display event handling code for SDL */
#include "SDL_events.h"
#include "SDL_events_c.h"
int
SDL_SendDisplayEvent(SDL_VideoDisplay *display, Uint8 displayevent, int data1)
{
int posted;
if (!display) {
return 0;
}
switch (displayevent) {
case SDL_DISPLAYEVENT_ORIENTATION:
if (data1 == SDL_ORIENTATION_UNKNOWN || data1 == display->orientation) {
return 0;
}
display->orientation = (SDL_DisplayOrientation)data1;
break;
}
/* Post the event, if desired */
posted = 0;
if (SDL_GetEventState(SDL_DISPLAYEVENT) == SDL_ENABLE) {
SDL_Event event;
event.type = SDL_DISPLAYEVENT;
event.display.event = displayevent;
event.display.display = SDL_GetIndexOfDisplay(display);
event.display.data1 = data1;
posted = (SDL_PushEvent(&event) > 0);
}
return (posted);
}
/* 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:178
SDL_ENABLE
#define SDL_ENABLE
Definition: SDL_events.h:759
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:2649
SDL_GetEventState
#define SDL_GetEventState(type)
Definition: SDL_events.h:772
SDL_DisplayOrientation
SDL_DisplayOrientation
Definition: SDL_video.h:181
SDL_PushEvent
#define SDL_PushEvent
Definition: SDL_dynapi_overrides.h:125
SDL_GetIndexOfDisplay
int SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
Definition: SDL_video.c:642
SDL_VideoDisplay
Definition: SDL_sysvideo.h:125
SDL_events_c.h
SDL_ORIENTATION_UNKNOWN
@ SDL_ORIENTATION_UNKNOWN
Definition: SDL_video.h:183
SDL_Event
General event structure.
Definition: SDL_events.h:557
SDL_VideoDisplay::orientation
SDL_DisplayOrientation orientation
Definition: SDL_sysvideo.h:133
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:179