ncurses 6.3 - patch 20220115
[ncurses.git] / doc / html / ada / terminal_interface-curses-mouse__adb.htm
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16 <hr><div style="text-align:center"><h1> File : terminal_interface-curses-mouse.adb </h1></div><hr>
17 <pre>
18 <span class="comment"><em>------------------------------------------------------------------------------</em></span>
19 <span class="comment"><em>--                                                                          --</em></span>
20 <span class="comment"><em>--                           <strong>GNAT</strong> ncurses Binding                           --</em></span>
21 <span class="comment"><em>--                                                                          --</em></span>
22 <span class="comment"><em>--                     Terminal_Interface.Curses.Mouse                      --</em></span>
23 <span class="comment"><em>--                                                                          --</em></span>
24 <span class="comment"><em>--                                 B O D Y                                  --</em></span>
25 <span class="comment"><em>--                                                                          --</em></span>
26 <span class="comment"><em>------------------------------------------------------------------------------</em></span>
27 <span class="comment"><em>-- Copyright 2018,2020 Thomas E. Dickey                                     --</em></span>
28 <span class="comment"><em>-- Copyright 1999-2009,2014 Free Software Foundation, Inc.                  --</em></span>
29 <span class="comment"><em>--                                                                          --</em></span>
30 <span class="comment"><em>-- Permission is hereby granted, free of charge, to any person obtaining a  --</em></span>
31 <span class="comment"><em>-- copy of this software and associated documentation files (the            --</em></span>
32 <span class="comment"><em>-- "Software"), to deal in the Software without restriction, including      --</em></span>
33 <span class="comment"><em>-- without limitation the rights to use, copy, modify, merge, publish,      --</em></span>
34 <span class="comment"><em>-- distribute, distribute with modifications, sublicense, and/or sell       --</em></span>
35 <span class="comment"><em>-- copies of the Software, and to permit persons to whom the Software is    --</em></span>
36 <span class="comment"><em>-- furnished to do so, subject to the following conditions:                 --</em></span>
37 <span class="comment"><em>--                                                                          --</em></span>
38 <span class="comment"><em>-- The above copyright notice and this permission notice shall be included  --</em></span>
39 <span class="comment"><em>-- in all copies or substantial portions of the Software.                   --</em></span>
40 <span class="comment"><em>--                                                                          --</em></span>
41 <span class="comment"><em>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --</em></span>
42 <span class="comment"><em>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --</em></span>
43 <span class="comment"><em>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --</em></span>
44 <span class="comment"><em>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --</em></span>
45 <span class="comment"><em>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --</em></span>
46 <span class="comment"><em>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --</em></span>
47 <span class="comment"><em>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --</em></span>
48 <span class="comment"><em>--                                                                          --</em></span>
49 <span class="comment"><em>-- Except as contained in this notice, the name(s) of the above copyright   --</em></span>
50 <span class="comment"><em>-- holders shall not be used in advertising or otherwise to promote the     --</em></span>
51 <span class="comment"><em>-- sale, use or other dealings in this Software without prior written       --</em></span>
52 <span class="comment"><em>-- authorization.                                                           --</em></span>
53 <span class="comment"><em>------------------------------------------------------------------------------</em></span>
54 <span class="comment"><em>--  Author:  Juergen Pfeifer, 1996</em></span>
55 <span class="comment"><em>--  Version Control:</em></span>
56 <span class="comment"><em>--  @Revision: 1.28 @</em></span>
57 <span class="comment"><em>--  @Date: 2020/06/27 18:50:44 @</em></span>
58 <span class="comment"><em>--  Binding Version 01.00</em></span>
59 <span class="comment"><em>------------------------------------------------------------------------------</em></span>
60 <b>with</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-aux__ads.htm#ref_46_35">Aux</a>; <b>use</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-aux__ads.htm#ref_46_35">Aux</a>;
61 <b>with</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>.C; <b>use</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>.C;
62 <b>use</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>;
63
64 <b>package</b> <b>body</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<span class="symbol"><a name="ref_47_40" href="terminal_interface-curses-mouse__ads.htm#ref_45_35">Mouse</a></span> <b>is</b>
65
66    <b>function</b> <span class="symbol"><a name="ref_49_13" href="terminal_interface-curses-mouse__ads.htm#ref_91_13">Has_Mouse</a></span> <b>return</b> Boolean
67    <b>is</b>
68       <b>function</b> <span class="symbol"><a name="ref_51_16">Mouse_Avail</a></span> <b>return</b> <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>;
69       <b>pragma</b> Import (C, Mouse_Avail, "has_mouse");
70    <b>begin</b>
71       <b>if</b> <a href="terminal_interface-curses__ads.htm#ref_938_13">Has_Key</a> (<a href="terminal_interface-curses__ads.htm#ref_376_4">Key_Mouse</a>) <b>or</b> <b>else</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_51_16">Mouse_Avail</a> /= 0 <b>then</b>
72          <b>return</b> True;
73       <b>else</b>
74          <b>return</b> False;
75       <b>end</b> <b>if</b>;
76    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_91_13">Has_Mouse</a>;
77
78    <b>function</b> <span class="symbol"><a name="ref_61_13" href="terminal_interface-curses-mouse__ads.htm#ref_126_13">Get_Mouse</a></span> <b>return</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_85_9">Mouse_Event</a>
79    <b>is</b>
80       <b>type</b> <span class="symbol"><a name="ref_63_12">Event_Access</a></span> <b>is</b> <b>access</b> <b>all</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_85_9">Mouse_Event</a>;
81
82       <b>function</b> <span class="symbol"><a name="ref_65_16">Getmouse</a></span> (<span class="symbol"><a name="ref_65_26">Ev</a></span> : <a href="terminal_interface-curses-mouse__adb.htm#ref_63_12">Event_Access</a>) <b>return</b> <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>;
83       <b>pragma</b> Import (C, Getmouse, "getmouse");
84
85       <span class="symbol"><a name="ref_68_7">Event</a></span> : <b>aliased</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_85_9">Mouse_Event</a>;
86    <b>begin</b>
87       <b>if</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_65_16">Getmouse</a> (<a href="terminal_interface-curses-mouse__adb.htm#ref_68_7">Event</a>'<b>Access</b>) = <a href="terminal_interface-curses-aux__ads.htm#ref_64_4">Curses_Err</a> <b>then</b>
88          <b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>;
89       <b>end</b> <b>if</b>;
90       <b>return</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_68_7">Event</a>;
91    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_126_13">Get_Mouse</a>;
92
93    <b>procedure</b> <span class="symbol"><a name="ref_76_14" href="terminal_interface-curses-mouse__ads.htm#ref_94_14">Register_Reportable_Event</a></span> (<span class="symbol"><a name="ref_76_41" href="terminal_interface-curses-mouse__ads.htm#ref_95_7">Button</a></span> : <a href="terminal_interface-curses-mouse__ads.htm#ref_61_9">Mouse_Button</a>;
94                                         <span class="symbol"><a name="ref_77_41" href="terminal_interface-curses-mouse__ads.htm#ref_96_7">State</a></span>  : <a href="terminal_interface-curses-mouse__ads.htm#ref_72_9">Button_State</a>;
95                                         <span class="symbol"><a name="ref_78_41" href="terminal_interface-curses-mouse__ads.htm#ref_97_7">Mask</a></span>   : <b>in</b> <b>out</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>)
96    <b>is</b>
97       <span class="symbol"><a name="ref_80_7">Button_Nr</a></span> : <b>constant</b> Natural := <a href="terminal_interface-curses-mouse__ads.htm#ref_61_9">Mouse_Button</a>'Pos (<a href="terminal_interface-curses-mouse__ads.htm#ref_95_7">Button</a>);
98       <span class="symbol"><a name="ref_81_7">State_Nr</a></span>  : <b>constant</b> Natural := <a href="terminal_interface-curses-mouse__ads.htm#ref_72_9">Button_State</a>'Pos (<a href="terminal_interface-curses-mouse__ads.htm#ref_96_7">State</a>);
99    <b>begin</b>
100       <b>if</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_95_7">Button</a> <b>in</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_70_12">Modifier_Keys</a> <b>and</b> <b>then</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_96_7">State</a> /= <a href="terminal_interface-curses-mouse__ads.htm#ref_73_26">Pressed</a> <b>then</b>
101          <b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>;
102       <b>else</b>
103          <b>if</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_95_7">Button</a> <b>in</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_69_12">Real_Buttons</a> <b>then</b>
104             <a href="terminal_interface-curses-mouse__ads.htm#ref_97_7">Mask</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_97_7">Mask</a> <b>or</b> ((2 ** (6 * <a href="terminal_interface-curses-mouse__adb.htm#ref_80_7">Button_Nr</a>)) ** <a href="terminal_interface-curses-mouse__adb.htm#ref_81_7">State_Nr</a>);
105          <b>else</b>
106             <a href="terminal_interface-curses-mouse__ads.htm#ref_97_7">Mask</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_97_7">Mask</a> <b>or</b> (<a href="terminal_interface-curses-mouse__ads.htm#ref_190_4">BUTTON_CTRL</a> ** (<a href="terminal_interface-curses-mouse__adb.htm#ref_80_7">Button_Nr</a> - 4));
107          <b>end</b> <b>if</b>;
108       <b>end</b> <b>if</b>;
109    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_94_14">Register_Reportable_Event</a>;
110
111    <b>procedure</b> <span class="symbol"><a name="ref_94_14" href="terminal_interface-curses-mouse__ads.htm#ref_103_14">Register_Reportable_Events</a></span> (<span class="symbol"><a name="ref_94_42" href="terminal_interface-curses-mouse__ads.htm#ref_104_7">Button</a></span> : <a href="terminal_interface-curses-mouse__ads.htm#ref_61_9">Mouse_Button</a>;
112                                          <span class="symbol"><a name="ref_95_42" href="terminal_interface-curses-mouse__ads.htm#ref_105_7">State</a></span>  : Button_States;
113                                          <span class="symbol"><a name="ref_96_42" href="terminal_interface-curses-mouse__ads.htm#ref_106_7">Mask</a></span>   : <b>in</b> <b>out</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>)
114    <b>is</b>
115    <b>begin</b>
116       <b>for</b> <span class="symbol"><a name="ref_99_11">S</a></span> <b>in</b> Button_States'<b>Range</b> <b>loop</b>
117          <b>if</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_105_7">State</a> (<a href="terminal_interface-curses-mouse__adb.htm#ref_99_11">S</a>) <b>then</b>
118             <a href="terminal_interface-curses-mouse__ads.htm#ref_94_14">Register_Reportable_Event</a> (<a href="terminal_interface-curses-mouse__ads.htm#ref_104_7">Button</a>, <a href="terminal_interface-curses-mouse__adb.htm#ref_99_11">S</a>, <a href="terminal_interface-curses-mouse__ads.htm#ref_106_7">Mask</a>);
119          <b>end</b> <b>if</b>;
120       <b>end</b> <b>loop</b>;
121    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_103_14">Register_Reportable_Events</a>;
122
123    <b>function</b> <span class="symbol"><a name="ref_106_13" href="terminal_interface-curses-mouse__ads.htm#ref_116_13">Start_Mouse</a></span> (<span class="symbol"><a name="ref_106_26" href="terminal_interface-curses-mouse__ads.htm#ref_116_26">Mask</a></span> : <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_59_4">All_Events</a>)
124                          <b>return</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>
125    <b>is</b>
126       <b>function</b> <span class="symbol"><a name="ref_109_16">MMask</a></span> (<span class="symbol"><a name="ref_109_23">M</a></span> : <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>;
127                       <span class="symbol"><a name="ref_110_23">O</a></span> : <b>access</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>) <b>return</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>;
128       <b>pragma</b> Import (C, MMask, "mousemask");
129       <span class="symbol"><a name="ref_112_7">R</a></span>   : <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>;
130       <span class="symbol"><a name="ref_113_7">Old</a></span> : <b>aliased</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>;
131    <b>begin</b>
132       <a href="terminal_interface-curses-mouse__adb.htm#ref_112_7">R</a> := <a href="terminal_interface-curses-mouse__adb.htm#ref_109_16">MMask</a> (<a href="terminal_interface-curses-mouse__ads.htm#ref_116_26">Mask</a>, <a href="terminal_interface-curses-mouse__adb.htm#ref_113_7">Old</a>'<b>Access</b>);
133       <b>if</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_112_7">R</a> = <a href="terminal_interface-curses-mouse__ads.htm#ref_58_4">No_Events</a> <b>then</b>
134          <a href="terminal_interface-curses__ads.htm#ref_1041_14">Beep</a>;
135       <b>end</b> <b>if</b>;
136       <b>return</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_113_7">Old</a>;
137    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_116_13">Start_Mouse</a>;
138
139    <b>procedure</b> <span class="symbol"><a name="ref_122_14" href="terminal_interface-curses-mouse__ads.htm#ref_121_14">End_Mouse</a></span> (<span class="symbol"><a name="ref_122_25" href="terminal_interface-curses-mouse__ads.htm#ref_121_25">Mask</a></span> : <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_58_4">No_Events</a>)
140    <b>is</b>
141    <b>begin</b>
142       <b>if</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_121_25">Mask</a> /= <a href="terminal_interface-curses-mouse__ads.htm#ref_58_4">No_Events</a> <b>then</b>
143          <a href="terminal_interface-curses__ads.htm#ref_1041_14">Beep</a>;
144       <b>end</b> <b>if</b>;
145    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_121_14">End_Mouse</a>;
146
147    <b>procedure</b> <span class="symbol"><a name="ref_130_14" href="terminal_interface-curses-mouse__adb.htm#ref_134_14">Dispatch_Event</a></span> (<span class="symbol"><a name="ref_130_30" href="terminal_interface-curses-mouse__adb.htm#ref_134_30">Mask</a></span>   : <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>;
148                              <span class="symbol"><a name="ref_131_30" href="terminal_interface-curses-mouse__adb.htm#ref_135_30">Button</a></span> : <b>out</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_61_9">Mouse_Button</a>;
149                              <span class="symbol"><a name="ref_132_30" href="terminal_interface-curses-mouse__adb.htm#ref_136_30">State</a></span>  : <b>out</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_72_9">Button_State</a>);
150
151    <b>procedure</b> <span class="symbol"><a name="ref_134_14" href="terminal_interface-curses-mouse__adb.htm#ref_130_14">Dispatch_Event</a></span> (<span class="symbol"><a name="ref_134_30" href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a></span>   : <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>;
152                              <span class="symbol"><a name="ref_135_30" href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a></span> : <b>out</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_61_9">Mouse_Button</a>;
153                              <span class="symbol"><a name="ref_136_30" href="terminal_interface-curses-mouse__adb.htm#ref_132_30">State</a></span>  : <b>out</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_72_9">Button_State</a>) <b>is</b>
154       <span class="symbol"><a name="ref_137_7">L</a></span> : <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>;
155    <b>begin</b>
156       <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_67_26">Alt</a>;  <span class="comment"><em>--  preset to non real button;</em></span>
157       <b>if</b> (<a href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a> <b>and</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_193_4">BUTTON1_EVENTS</a>) /= 0 <b>then</b>
158          <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_61_26">Left</a>;
159       <b>elsif</b> (<a href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a> <b>and</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_195_4">BUTTON2_EVENTS</a>) /= 0 <b>then</b>
160          <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_62_26">Middle</a>;
161       <b>elsif</b> (<a href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a> <b>and</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_197_4">BUTTON3_EVENTS</a>) /= 0 <b>then</b>
162          <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_63_26">Right</a>;
163       <b>elsif</b> (<a href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a> <b>and</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_199_4">BUTTON4_EVENTS</a>) /= 0 <b>then</b>
164          <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_64_26">Button4</a>;
165       <b>end</b> <b>if</b>;
166       <b>if</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> <b>in</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_69_12">Real_Buttons</a> <b>then</b>
167          <a href="terminal_interface-curses-mouse__adb.htm#ref_132_30">State</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_72_26">Released</a>;  <span class="comment"><em>--  preset to non real button;</em></span>
168          <a href="terminal_interface-curses-mouse__adb.htm#ref_137_7">L</a> := 2 ** (6 * <a href="terminal_interface-curses-mouse__ads.htm#ref_61_9">Mouse_Button</a>'Pos (<a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a>));
169          <b>for</b> <span class="symbol"><a name="ref_152_14">I</a></span> <b>in</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_72_9">Button_State</a>'<b>Range</b> <b>loop</b>
170             <b>if</b> (<a href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a> <b>and</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_137_7">L</a>) /= 0 <b>then</b>
171                <a href="terminal_interface-curses-mouse__adb.htm#ref_132_30">State</a> := <a href="terminal_interface-curses-mouse__adb.htm#ref_152_14">I</a>;
172                <b>exit</b>;
173             <b>end</b> <b>if</b>;
174             <a href="terminal_interface-curses-mouse__adb.htm#ref_137_7">L</a> := 2 * <a href="terminal_interface-curses-mouse__adb.htm#ref_137_7">L</a>;
175          <b>end</b> <b>loop</b>;
176       <b>else</b>
177          <a href="terminal_interface-curses-mouse__adb.htm#ref_132_30">State</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_73_26">Pressed</a>;
178          <b>if</b> (<a href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a> <b>and</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_190_4">BUTTON_CTRL</a>) /= 0 <b>then</b>
179             <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_65_26">Control</a>;
180          <b>elsif</b> (<a href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a> <b>and</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_191_4">BUTTON_SHIFT</a>) /= 0 <b>then</b>
181             <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_66_26">Shift</a>;
182          <b>elsif</b> (<a href="terminal_interface-curses-mouse__adb.htm#ref_130_30">Mask</a> <b>and</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_192_4">BUTTON_ALT</a>) /= 0 <b>then</b>
183             <a href="terminal_interface-curses-mouse__adb.htm#ref_131_30">Button</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_67_26">Alt</a>;
184          <b>end</b> <b>if</b>;
185       <b>end</b> <b>if</b>;
186    <b>end</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_130_14">Dispatch_Event</a>;
187
188    <b>procedure</b> <span class="symbol"><a name="ref_171_14" href="terminal_interface-curses-mouse__ads.htm#ref_130_14">Get_Event</a></span> (<span class="symbol"><a name="ref_171_25" href="terminal_interface-curses-mouse__ads.htm#ref_130_25">Event</a></span>  : <a href="terminal_interface-curses-mouse__ads.htm#ref_85_9">Mouse_Event</a>;
189                         <span class="symbol"><a name="ref_172_25" href="terminal_interface-curses-mouse__ads.htm#ref_131_25">Y</a></span>      : <b>out</b> <a href="terminal_interface-curses__ads.htm#ref_59_9">Line_Position</a>;
190                         <span class="symbol"><a name="ref_173_25" href="terminal_interface-curses-mouse__ads.htm#ref_132_25">X</a></span>      : <b>out</b> <a href="terminal_interface-curses__ads.htm#ref_60_9">Column_Position</a>;
191                         <span class="symbol"><a name="ref_174_25" href="terminal_interface-curses-mouse__ads.htm#ref_133_25">Button</a></span> : <b>out</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_61_9">Mouse_Button</a>;
192                         <span class="symbol"><a name="ref_175_25" href="terminal_interface-curses-mouse__ads.htm#ref_134_25">State</a></span>  : <b>out</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_72_9">Button_State</a>)
193    <b>is</b>
194       <span class="symbol"><a name="ref_177_7">Mask</a></span>  : <b>constant</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a> := <a href="terminal_interface-curses-mouse__ads.htm#ref_130_25">Event</a>.<a href="terminal_interface-curses-mouse__ads.htm#ref_170_10">Bstate</a>;
195    <b>begin</b>
196       <a href="terminal_interface-curses-mouse__ads.htm#ref_132_25">X</a> := <a href="terminal_interface-curses__ads.htm#ref_60_9">Column_Position</a> (<a href="terminal_interface-curses-mouse__ads.htm#ref_130_25">Event</a>.<a href="terminal_interface-curses-mouse__ads.htm#ref_168_10">X</a>);
197       <a href="terminal_interface-curses-mouse__ads.htm#ref_131_25">Y</a> := <a href="terminal_interface-curses__ads.htm#ref_59_9">Line_Position</a>   (<a href="terminal_interface-curses-mouse__ads.htm#ref_130_25">Event</a>.<a href="terminal_interface-curses-mouse__ads.htm#ref_168_13">Y</a>);
198       <a href="terminal_interface-curses-mouse__adb.htm#ref_130_14">Dispatch_Event</a> (<a href="terminal_interface-curses-mouse__adb.htm#ref_177_7">Mask</a>, <a href="terminal_interface-curses-mouse__ads.htm#ref_133_25">Button</a>, <a href="terminal_interface-curses-mouse__ads.htm#ref_134_25">State</a>);
199    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_130_14">Get_Event</a>;
200
201    <b>procedure</b> <span class="symbol"><a name="ref_184_14" href="terminal_interface-curses-mouse__ads.htm#ref_142_14">Unget_Mouse</a></span> (<span class="symbol"><a name="ref_184_27" href="terminal_interface-curses-mouse__ads.htm#ref_142_27">Event</a></span> : <a href="terminal_interface-curses-mouse__ads.htm#ref_85_9">Mouse_Event</a>)
202    <b>is</b>
203       <b>function</b> <span class="symbol"><a name="ref_186_16">Ungetmouse</a></span> (<span class="symbol"><a name="ref_186_28">Ev</a></span> : <a href="terminal_interface-curses-mouse__ads.htm#ref_85_9">Mouse_Event</a>) <b>return</b> <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>;
204       <b>pragma</b> Import (C, Ungetmouse, "ungetmouse");
205    <b>begin</b>
206       <b>if</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_186_16">Ungetmouse</a> (<a href="terminal_interface-curses-mouse__ads.htm#ref_142_27">Event</a>) = <a href="terminal_interface-curses-aux__ads.htm#ref_64_4">Curses_Err</a> <b>then</b>
207          <b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>;
208       <b>end</b> <b>if</b>;
209    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_142_14">Unget_Mouse</a>;
210
211    <b>function</b> <span class="symbol"><a name="ref_194_13" href="terminal_interface-curses-mouse__ads.htm#ref_147_13">Enclosed_In_Window</a></span> (<span class="symbol"><a name="ref_194_33" href="terminal_interface-curses-mouse__ads.htm#ref_147_33">Win</a></span>    : <a href="terminal_interface-curses__ads.htm#ref_56_9">Window</a> := <a href="terminal_interface-curses__ads.htm#ref_645_13">Standard_Window</a>;
212                                 <span class="symbol"><a name="ref_195_33" href="terminal_interface-curses-mouse__ads.htm#ref_148_33">Event</a></span>  : <a href="terminal_interface-curses-mouse__ads.htm#ref_85_9">Mouse_Event</a>) <b>return</b> Boolean
213    <b>is</b>
214       <b>function</b> <span class="symbol"><a name="ref_197_16">Wenclose</a></span> (<span class="symbol"><a name="ref_197_26">Win</a></span> : <a href="terminal_interface-curses__ads.htm#ref_56_9">Window</a>; <span class="symbol"><a name="ref_197_40">Y</a></span> : <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>; <span class="symbol"><a name="ref_197_51">X</a></span> : <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>)
215                          <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>;
216       <b>pragma</b> Import (C, Wenclose, "wenclose");
217    <b>begin</b>
218       <b>if</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_197_16">Wenclose</a> (<a href="terminal_interface-curses-mouse__ads.htm#ref_147_33">Win</a>, <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a> (<a href="terminal_interface-curses-mouse__ads.htm#ref_148_33">Event</a>.<a href="terminal_interface-curses-mouse__ads.htm#ref_168_13">Y</a>), <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a> (<a href="terminal_interface-curses-mouse__ads.htm#ref_148_33">Event</a>.<a href="terminal_interface-curses-mouse__ads.htm#ref_168_10">X</a>))
219         = <a href="terminal_interface-curses__ads.htm#ref_2101_4">Curses_Bool_False</a>
220       <b>then</b>
221          <b>return</b> False;
222       <b>else</b>
223          <b>return</b> True;
224       <b>end</b> <b>if</b>;
225    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_147_13">Enclosed_In_Window</a>;
226
227    <b>function</b> <span class="symbol"><a name="ref_210_13" href="terminal_interface-curses-mouse__ads.htm#ref_154_13">Mouse_Interval</a></span> (<span class="symbol"><a name="ref_210_29" href="terminal_interface-curses-mouse__ads.htm#ref_154_29">Msec</a></span> : Natural := 200) <b>return</b> Natural
228    <b>is</b>
229       <b>function</b> <span class="symbol"><a name="ref_212_16">Mouseinterval</a></span> (<span class="symbol"><a name="ref_212_31">Msec</a></span> : <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>) <b>return</b> <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>;
230       <b>pragma</b> Import (C, Mouseinterval, "mouseinterval");
231    <b>begin</b>
232       <b>return</b> Natural (<a href="terminal_interface-curses-mouse__adb.htm#ref_212_16">Mouseinterval</a> (<a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a> (<a href="terminal_interface-curses-mouse__ads.htm#ref_154_29">Msec</a>)));
233    <b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_154_13">Mouse_Interval</a>;
234
235 <b>end</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-mouse__ads.htm#ref_45_35">Mouse</a>;
236 </pre></body></html>