annotate docs/man3/SDL_SemValue.3 @ 816:428f688f2ad2

Date: Fri, 13 Feb 2004 17:03:16 +0100 From: Max Horn Subject: Modifier key fix The internal modifier state can get out of sync with reality. To trigger this, do for example this: 1) Launch an SDL app 2) Alt-click on the desktop (this will hide the SDL app). 3) Bring the SDL app back to the front 4) SDL will still think alt is pressed (and as such will treat left clicks like middle clicks). If you press and release alt, it'll be fine again. The attached patch cures this by rechecking the modifier state whenever we process an event.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 13 Feb 2004 17:57:16 +0000
parents e5bc29de3f0a
children 546f7c1eb755
rev   line source
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1 .TH "SDL_SemValue" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_SemValue\- Return the current value of a semaphore\&.
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 #include "SDL/SDL_thread\&.h"
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8 .sp
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9 \fBUint32 \fBSDL_SemValue\fP\fR(\fBSDL_sem *sem\fR);
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10 .SH "DESCRIPTION"
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11 .PP
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12 \fBSDL_SemValue()\fP returns the current semaphore value from the semaphore pointed to by \fBsem\fR\&.
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13 .SH "RETURN VALUE"
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14 .PP
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15 Returns current value of the semaphore\&.
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16 .SH "EXAMPLES"
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17 .PP
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18 .PP
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19 .nf
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20 \f(CW sem_value = SDL_SemValue(my_sem);\fR
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21 .fi
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22 .PP
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23 .SH "SEE ALSO"
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24 .PP
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25 \fI\fBSDL_CreateSemaphore\fP\fR, \fI\fBSDL_DestroySemaphore\fP\fR, \fI\fBSDL_SemWait\fP\fR, \fI\fBSDL_SemTryWait\fP\fR, \fI\fBSDL_SemWaitTimeout\fP\fR, \fI\fBSDL_SemPost\fP\fR
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parents: 55
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26 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00