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>