| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT ncurses Binding Samples -- |
| -- -- |
| -- Sample.Curses_Demo.Mouse -- |
| -- -- |
| -- B O D Y -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| -- Copyright (c) 1998-2006,2008 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 |
| -- Version Control |
| -- $Revision: 1.16 $ |
| -- $Date: 2008/07/26 18:48:19 $ |
| -- 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, (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 := ((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, (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; |
