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+------------------------------------------------------------------------------
+-- --
+-- GNAT ncurses Binding Samples --
+-- --
+-- Sample.Curses_Demo.Mouse --
+-- --
+-- B O D Y --
+-- --
+------------------------------------------------------------------------------
+-- Copyright (c) 1998 Free Software Foundation, Inc. --
+-- --
+-- Permission is hereby granted, free of charge, to any person obtaining a --
+-- copy of this software and associated documentation files (the --
+-- "Software"), to deal in the Software without restriction, including --
+-- without limitation the rights to use, copy, modify, merge, publish, --
+-- distribute, distribute with modifications, sublicense, and/or sell --
+-- copies of the Software, and to permit persons to whom the Software is --
+-- furnished to do so, subject to the following conditions: --
+-- --
+-- The above copyright notice and this permission notice shall be included --
+-- in all copies or substantial portions of the Software. --
+-- --
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
+-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
+-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
+-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
+-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
+-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
+-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
+-- --
+-- Except as contained in this notice, the name(s) of the above copyright --
+-- holders shall not be used in advertising or otherwise to promote the --
+-- sale, use or other dealings in this Software without prior written --
+-- authorization. --
+------------------------------------------------------------------------------
+-- Author: Juergen Pfeifer, 1996
+-- Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en
+-- Version Control
+-- $Revision$
+-- Binding Version 01.00
+------------------------------------------------------------------------------
+with Terminal_Interface.Curses; use Terminal_Interface.Curses;
+with Terminal_Interface.Curses.Panels; use Terminal_Interface.Curses.Panels;
+with Terminal_Interface.Curses.Mouse; use Terminal_Interface.Curses.Mouse;
+with Terminal_Interface.Curses.Text_IO; use Terminal_Interface.Curses.Text_IO;
+with Terminal_Interface.Curses.Text_IO.Integer_IO;
+with Terminal_Interface.Curses.Text_IO.Enumeration_IO;
+
+with Sample.Helpers; use Sample.Helpers;
+with Sample.Manifest; use Sample.Manifest;
+with Sample.Keyboard_Handler; use Sample.Keyboard_Handler;
+with Sample.Function_Key_Setting; use Sample.Function_Key_Setting;
+with Sample.Explanation; use Sample.Explanation;
+
+package body Sample.Curses_Demo.Mouse is
+
+ package Int_IO is new
+ Terminal_Interface.Curses.Text_IO.Integer_IO (Integer);
+ use Int_IO;
+
+ package Button_IO is new
+ Terminal_Interface.Curses.Text_IO.Enumeration_IO (Mouse_Button);
+ use Button_IO;
+
+ package State_IO is new
+ Terminal_Interface.Curses.Text_IO.Enumeration_IO (Button_State);
+ use State_IO;
+
+ procedure Demo is
+
+ type Controls is array (1 .. 3) of Panel;
+
+ Frame : Window;
+ Msg : Window;
+ Ctl : Controls;
+ Pan : Panel;
+ K : Real_Key_Code;
+ V : Cursor_Visibility := Invisible;
+ W : Window;
+ Note : Window;
+ Msg_L : constant Line_Count := 8;
+ Lins : Line_Position := Lines;
+ Cols : Column_Position;
+ Mask : Event_Mask;
+ procedure Show_Mouse_Event;
+
+ procedure Show_Mouse_Event
+ is
+ Evt : constant Mouse_Event := Get_Mouse;
+ Y : Line_Position;
+ X : Column_Position;
+ Button : Mouse_Button;
+ State : Button_State;
+ W : Window;
+ begin
+ Get_Event (Evt, Y, X, Button, State);
+ Put (Msg, "Event at");
+ Put (Msg, " X="); Put (Msg, Integer (X), 3);
+ Put (Msg, ", Y="); Put (Msg, Integer (Y), 3);
+ Put (Msg, ", Btn="); Put (Msg, Button, 10);
+ Put (Msg, ", Stat="); Put (Msg, State, 15);
+ for I in Ctl'Range loop
+ W := Get_Window (Ctl (I));
+ if Enclosed_In_Window (W, Evt) then
+ Transform_Coordinates (W, Y, X, From_Screen);
+ Put (Msg, ",Box(");
+ Put (Msg, Integer (I), 1); Put (Msg, ",");
+ Put (Msg, Integer (Y), 1); Put (Msg, ",");
+ Put (Msg, Integer (X), 1); Put (Msg, ")");
+ end if;
+ end loop;
+ New_Line (Msg);
+ Flush (Msg);
+ Update_Panels; Update_Screen;
+ end Show_Mouse_Event;
+
+ begin
+ Push_Environment ("MOUSE00");
+ Notepad ("MOUSE-PAD00");
+ Default_Labels;
+ Set_Cursor_Visibility (V);
+
+ Note := Notepad_Window;
+ if Note /= Null_Window then
+ Get_Window_Position (Note, Lins, Cols);
+ end if;
+ Frame := Create (Msg_L, Columns, Lins - Msg_L, 0);
+ if Has_Colors then
+ Set_Background (Win => Frame,
+ Ch => (Color => Default_Colors,
+ Attr => Normal_Video,
+ Ch => ' '));
+ Set_Character_Attributes (Win => Frame,
+ Attr => Normal_Video,
+ Color => Default_Colors);
+ Erase (Frame);
+ end if;
+ Msg := Derived_Window (Frame, Msg_L - 2, Columns - 2, 1, 1);
+ Pan := Create (Frame);
+
+ Set_Meta_Mode;
+ Set_KeyPad_Mode;
+ Mask := Start_Mouse;
+
+ Box (Frame);
+ Window_Title (Frame, "Mouse Protocol");
+ Refresh_Without_Update (Frame);
+ Allow_Scrolling (Msg, True);
+
+ declare
+ Middle_Column : constant Integer := Integer (Columns) / 2;
+ Middle_Index : constant Natural := Ctl'First + (Ctl'Length / 2);
+ Width : constant Column_Count := 5;
+ Height : constant Line_Count := 3;
+ Half : constant Column_Count := Width / 2;
+ Space : constant Column_Count := 3;
+ Position : Integer;
+ W : Window;
+ begin
+ for I in Ctl'Range loop
+ Position := (Integer (I) - Integer (Middle_Index)) *
+ Integer (Half + Space + Width) + Middle_Column;
+ W := Create (Height,
+ Width,
+ 1,
+ Column_Position (Position));
+ if Has_Colors then
+ Set_Background (Win => W,
+ Ch => (Color => Menu_Back_Color,
+ Attr => Normal_Video,
+ Ch => ' '));
+ Set_Character_Attributes (Win => W,
+ Attr => Normal_Video,
+ Color => Menu_Fore_Color);
+ Erase (W);
+ end if;
+ Ctl (I) := Create (W);
+ Box (W);
+ Move_Cursor (W, 1, Half);
+ Put (W, Integer (I), 1);
+ Refresh_Without_Update (W);
+ end loop;
+ end;
+
+ Update_Panels; Update_Screen;
+
+ loop
+ K := Get_Key;
+ if K in Special_Key_Code'Range then
+ case K is
+ when QUIT_CODE => exit;
+ when HELP_CODE => Explain_Context;
+ when EXPLAIN_CODE => Explain ("MOUSEKEYS");
+ when Key_Mouse => Show_Mouse_Event;
+ when others => null;
+ end case;
+ end if;
+ end loop;
+
+ for I in Ctl'Range loop
+ W := Get_Window (Ctl (I));
+ Clear (W);
+ Delete (Ctl (I));
+ Delete (W);
+ end loop;
+
+ Clear (Frame);
+ Delete (Pan);
+ Delete (Msg);
+ Delete (Frame);
+
+ Set_Cursor_Visibility (V);
+ End_Mouse (Mask);
+
+ Pop_Environment;
+ Update_Panels; Update_Screen;
+
+ end Demo;
+
+end Sample.Curses_Demo.Mouse;
+
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