This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
sdlgetrelativemousestate.html
235 lines (235 loc) · 3.05 KB
1
2
3
4
5
6
<HTML
><HEAD
><TITLE
>SDL_GetRelativeMouseState</TITLE
><META
NAME="GENERATOR"
7
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
"><LINK
REL="HOME"
TITLE="SDL Library Documentation"
HREF="index.html"><LINK
REL="UP"
TITLE="Event Functions."
HREF="eventfunctions.html"><LINK
REL="PREVIOUS"
TITLE="SDL_GetMouseState"
HREF="sdlgetmousestate.html"><LINK
REL="NEXT"
TITLE="SDL_GetAppState"
HREF="sdlgetappstate.html"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
CLASS="NAVHEADER"
><TABLE
31
SUMMARY="Header navigation table"
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>SDL Library Documentation</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="sdlgetmousestate.html"
49
ACCESSKEY="P"
50
51
52
53
54
55
56
57
58
59
60
61
62
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="sdlgetappstate.html"
63
ACCESSKEY="N"
64
65
66
67
68
69
70
71
72
73
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="SDLGETRELATIVEMOUSESTATE"
74
75
></A
>SDL_GetRelativeMouseState</H1
76
77
78
><DIV
CLASS="REFNAMEDIV"
><A
79
NAME="AEN5902"
80
81
82
83
84
85
86
></A
><H2
>Name</H2
>SDL_GetRelativeMouseState -- Retrieve the current state of the mouse</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
87
NAME="AEN5905"
88
89
90
91
92
93
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
94
NAME="AEN5906"
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>Uint8 <B
CLASS="FSFUNC"
>SDL_GetRelativeMouseState</B
></CODE
>(int *x, int *y);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
118
NAME="AEN5912"
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
></A
><H2
>Description</H2
><P
>The current button state is returned as a button bitmask, which can
be tested using the <TT
CLASS="LITERAL"
>SDL_BUTTON(X)</TT
> macros, and <TT
CLASS="PARAMETER"
><I
>x</I
></TT
> and <TT
CLASS="PARAMETER"
><I
>y</I
></TT
> are set to the change in the mouse position since the last call to <TT
CLASS="FUNCTION"
>SDL_GetRelativeMouseState</TT
> or since event initialization. You can pass <TT
CLASS="LITERAL"
>NULL</TT
> for either <TT
CLASS="PARAMETER"
><I
>x</I
></TT
> or <TT
CLASS="PARAMETER"
><I
>y</I
></TT
>.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
158
NAME="AEN5922"
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
></A
><H2
>See Also</H2
><P
><A
HREF="sdlgetmousestate.html"
><TT
CLASS="FUNCTION"
>SDL_GetMouseState</TT
></A
></P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
176
SUMMARY="Footer navigation table"
177
178
179
180
181
182
183
184
185
186
187
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="sdlgetmousestate.html"
188
ACCESSKEY="P"
189
190
191
192
193
194
195
196
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
197
ACCESSKEY="H"
198
199
200
201
202
203
204
205
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="sdlgetappstate.html"
206
ACCESSKEY="N"
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>SDL_GetMouseState</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="eventfunctions.html"
222
ACCESSKEY="U"
223
224
225
226
227
228
229
230
231
232
233
234
235
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>SDL_GetAppState</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>