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<title>terminal_interface-curses-mouse.adb</title>
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<hr><div style="text-align:center"><h1> File : terminal_interface-curses-mouse.adb </h1></div><hr>
<pre>
<span class="comment"><em>------------------------------------------------------------------------------</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>-- <strong>GNAT</strong> ncurses Binding --</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>-- Terminal_Interface.Curses.Mouse --</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>-- B O D Y --</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>------------------------------------------------------------------------------</em></span>
<span class="comment"><em>-- Copyright 2018,2020 Thomas E. Dickey --</em></span>
<span class="comment"><em>-- Copyright 1999-2009,2014 Free Software Foundation, Inc. --</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>-- Permission is hereby granted, free of charge, to any person obtaining a --</em></span>
<span class="comment"><em>-- copy of this software and associated documentation files (the --</em></span>
<span class="comment"><em>-- "Software"), to deal in the Software without restriction, including --</em></span>
<span class="comment"><em>-- without limitation the rights to use, copy, modify, merge, publish, --</em></span>
<span class="comment"><em>-- distribute, distribute with modifications, sublicense, and/or sell --</em></span>
<span class="comment"><em>-- copies of the Software, and to permit persons to whom the Software is --</em></span>
<span class="comment"><em>-- furnished to do so, subject to the following conditions: --</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>-- The above copyright notice and this permission notice shall be included --</em></span>
<span class="comment"><em>-- in all copies or substantial portions of the Software. --</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --</em></span>
<span class="comment"><em>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --</em></span>
<span class="comment"><em>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --</em></span>
<span class="comment"><em>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --</em></span>
<span class="comment"><em>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --</em></span>
<span class="comment"><em>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --</em></span>
<span class="comment"><em>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>-- Except as contained in this notice, the name(s) of the above copyright --</em></span>
<span class="comment"><em>-- holders shall not be used in advertising or otherwise to promote the --</em></span>
<span class="comment"><em>-- sale, use or other dealings in this Software without prior written --</em></span>
<span class="comment"><em>-- authorization. --</em></span>
<span class="comment"><em>------------------------------------------------------------------------------</em></span>
<span class="comment"><em>-- Author: Juergen Pfeifer, 1996</em></span>
<span class="comment"><em>-- Version Control:</em></span>
<span class="comment"><em>-- @Revision: 1.28 @</em></span>
<span class="comment"><em>-- @Date: 2020/06/27 18:50:44 @</em></span>
<span class="comment"><em>-- Binding Version 01.00</em></span>
<span class="comment"><em>------------------------------------------------------------------------------</em></span>
<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>;
<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;
<b>use</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>;
<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>
<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
<b>is</b>
<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>;
<b>pragma</b> Import (C, Mouse_Avail, "has_mouse");
<b>begin</b>
<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>
<b>return</b> True;
<b>else</b>
<b>return</b> False;
<b>end</b> <b>if</b>;
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_91_13">Has_Mouse</a>;
<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>
<b>is</b>
<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>;
<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>;
<b>pragma</b> Import (C, Getmouse, "getmouse");
<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>;
<b>begin</b>
<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>
<b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>;
<b>end</b> <b>if</b>;
<b>return</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_68_7">Event</a>;
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_126_13">Get_Mouse</a>;
<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>;
<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>;
<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>)
<b>is</b>
<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>);
<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>);
<b>begin</b>
<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>
<b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>;
<b>else</b>
<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>
<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>);
<b>else</b>
<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));
<b>end</b> <b>if</b>;
<b>end</b> <b>if</b>;
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_94_14">Register_Reportable_Event</a>;
<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>;
<span class="symbol"><a name="ref_95_42" href="terminal_interface-curses-mouse__ads.htm#ref_105_7">State</a></span> : Button_States;
<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>)
<b>is</b>
<b>begin</b>
<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>
<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>
<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>);
<b>end</b> <b>if</b>;
<b>end</b> <b>loop</b>;
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_103_14">Register_Reportable_Events</a>;
<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>)
<b>return</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_57_9">Event_Mask</a>
<b>is</b>
<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>;
<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>;
<b>pragma</b> Import (C, MMask, "mousemask");
<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>;
<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>;
<b>begin</b>
<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>);
<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>
<a href="terminal_interface-curses__ads.htm#ref_1041_14">Beep</a>;
<b>end</b> <b>if</b>;
<b>return</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_113_7">Old</a>;
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_116_13">Start_Mouse</a>;
<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>)
<b>is</b>
<b>begin</b>
<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>
<a href="terminal_interface-curses__ads.htm#ref_1041_14">Beep</a>;
<b>end</b> <b>if</b>;
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_121_14">End_Mouse</a>;
<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>;
<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>;
<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>);
<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>;
<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>;
<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>
<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>;
<b>begin</b>
<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>
<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>
<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>;
<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>
<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>;
<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>
<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>;
<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>
<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>;
<b>end</b> <b>if</b>;
<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>
<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>
<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>));
<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>
<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>
<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>;
<b>exit</b>;
<b>end</b> <b>if</b>;
<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>;
<b>end</b> <b>loop</b>;
<b>else</b>
<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>;
<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>
<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>;
<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>
<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>;
<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>
<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>;
<b>end</b> <b>if</b>;
<b>end</b> <b>if</b>;
<b>end</b> <a href="terminal_interface-curses-mouse__adb.htm#ref_130_14">Dispatch_Event</a>;
<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>;
<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>;
<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>;
<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>;
<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>)
<b>is</b>
<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>;
<b>begin</b>
<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>);
<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>);
<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>);
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_130_14">Get_Event</a>;
<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>)
<b>is</b>
<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>;
<b>pragma</b> Import (C, Ungetmouse, "ungetmouse");
<b>begin</b>
<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>
<b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>;
<b>end</b> <b>if</b>;
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_142_14">Unget_Mouse</a>;
<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>;
<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
<b>is</b>
<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>)
<b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>;
<b>pragma</b> Import (C, Wenclose, "wenclose");
<b>begin</b>
<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>))
= <a href="terminal_interface-curses__ads.htm#ref_2101_4">Curses_Bool_False</a>
<b>then</b>
<b>return</b> False;
<b>else</b>
<b>return</b> True;
<b>end</b> <b>if</b>;
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_147_13">Enclosed_In_Window</a>;
<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
<b>is</b>
<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>;
<b>pragma</b> Import (C, Mouseinterval, "mouseinterval");
<b>begin</b>
<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>)));
<b>end</b> <a href="terminal_interface-curses-mouse__ads.htm#ref_154_13">Mouse_Interval</a>;
<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>;
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