1------------------------------------------------------------------------------ 2-- -- 3-- GNAT ncurses Binding Samples -- 4-- -- 5-- Sample.Curses_Demo.Mouse -- 6-- -- 7-- B O D Y -- 8-- -- 9------------------------------------------------------------------------------ 10-- Copyright 2020 Thomas E. Dickey -- 11-- Copyright 1998-2006,2008 Free Software Foundation, Inc. -- 12-- -- 13-- Permission is hereby granted, free of charge, to any person obtaining a -- 14-- copy of this software and associated documentation files (the -- 15-- "Software"), to deal in the Software without restriction, including -- 16-- without limitation the rights to use, copy, modify, merge, publish, -- 17-- distribute, distribute with modifications, sublicense, and/or sell -- 18-- copies of the Software, and to permit persons to whom the Software is -- 19-- furnished to do so, subject to the following conditions: -- 20-- -- 21-- The above copyright notice and this permission notice shall be included -- 22-- in all copies or substantial portions of the Software. -- 23-- -- 24-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -- 25-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -- 26-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -- 27-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -- 28-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -- 29-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR -- 30-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. -- 31-- -- 32-- Except as contained in this notice, the name(s) of the above copyright -- 33-- holders shall not be used in advertising or otherwise to promote the -- 34-- sale, use or other dealings in this Software without prior written -- 35-- authorization. -- 36------------------------------------------------------------------------------ 37-- Author: Juergen Pfeifer, 1996 38-- Version Control 39-- $Revision: 1.17 $ 40-- $Date: 2020/02/02 23:34:34 $ 41-- Binding Version 01.00 42------------------------------------------------------------------------------ 43with Terminal_Interface.Curses; use Terminal_Interface.Curses; 44with Terminal_Interface.Curses.Panels; use Terminal_Interface.Curses.Panels; 45with Terminal_Interface.Curses.Mouse; use Terminal_Interface.Curses.Mouse; 46with Terminal_Interface.Curses.Text_IO; use Terminal_Interface.Curses.Text_IO; 47with Terminal_Interface.Curses.Text_IO.Integer_IO; 48with Terminal_Interface.Curses.Text_IO.Enumeration_IO; 49 50with Sample.Helpers; use Sample.Helpers; 51with Sample.Manifest; use Sample.Manifest; 52with Sample.Keyboard_Handler; use Sample.Keyboard_Handler; 53with Sample.Function_Key_Setting; use Sample.Function_Key_Setting; 54with Sample.Explanation; use Sample.Explanation; 55 56package body Sample.Curses_Demo.Mouse is 57 58 package Int_IO is new 59 Terminal_Interface.Curses.Text_IO.Integer_IO (Integer); 60 use Int_IO; 61 62 package Button_IO is new 63 Terminal_Interface.Curses.Text_IO.Enumeration_IO (Mouse_Button); 64 use Button_IO; 65 66 package State_IO is new 67 Terminal_Interface.Curses.Text_IO.Enumeration_IO (Button_State); 68 use State_IO; 69 70 procedure Demo is 71 72 type Controls is array (1 .. 3) of Panel; 73 74 Frame : Window; 75 Msg : Window; 76 Ctl : Controls; 77 Pan : Panel; 78 K : Real_Key_Code; 79 V : Cursor_Visibility := Invisible; 80 W : Window; 81 Note : Window; 82 Msg_L : constant Line_Count := 8; 83 Lins : Line_Position := Lines; 84 Cols : Column_Position; 85 Mask : Event_Mask; 86 procedure Show_Mouse_Event; 87 88 procedure Show_Mouse_Event 89 is 90 Evt : constant Mouse_Event := Get_Mouse; 91 Y : Line_Position; 92 X : Column_Position; 93 Button : Mouse_Button; 94 State : Button_State; 95 W : Window; 96 begin 97 Get_Event (Evt, Y, X, Button, State); 98 Put (Msg, "Event at"); 99 Put (Msg, " X="); Put (Msg, Integer (X), 3); 100 Put (Msg, ", Y="); Put (Msg, Integer (Y), 3); 101 Put (Msg, ", Btn="); Put (Msg, Button, 10); 102 Put (Msg, ", Stat="); Put (Msg, State, 15); 103 for I in Ctl'Range loop 104 W := Get_Window (Ctl (I)); 105 if Enclosed_In_Window (W, Evt) then 106 Transform_Coordinates (W, Y, X, From_Screen); 107 Put (Msg, ",Box("); 108 Put (Msg, (I), 1); Put (Msg, ","); 109 Put (Msg, Integer (Y), 1); Put (Msg, ","); 110 Put (Msg, Integer (X), 1); Put (Msg, ")"); 111 end if; 112 end loop; 113 New_Line (Msg); 114 Flush (Msg); 115 Update_Panels; Update_Screen; 116 end Show_Mouse_Event; 117 118 begin 119 Push_Environment ("MOUSE00"); 120 Notepad ("MOUSE-PAD00"); 121 Default_Labels; 122 Set_Cursor_Visibility (V); 123 124 Note := Notepad_Window; 125 if Note /= Null_Window then 126 Get_Window_Position (Note, Lins, Cols); 127 end if; 128 Frame := Create (Msg_L, Columns, Lins - Msg_L, 0); 129 if Has_Colors then 130 Set_Background (Win => Frame, 131 Ch => (Color => Default_Colors, 132 Attr => Normal_Video, 133 Ch => ' ')); 134 Set_Character_Attributes (Win => Frame, 135 Attr => Normal_Video, 136 Color => Default_Colors); 137 Erase (Frame); 138 end if; 139 Msg := Derived_Window (Frame, Msg_L - 2, Columns - 2, 1, 1); 140 Pan := Create (Frame); 141 142 Set_Meta_Mode; 143 Set_KeyPad_Mode; 144 Mask := Start_Mouse; 145 146 Box (Frame); 147 Window_Title (Frame, "Mouse Protocol"); 148 Refresh_Without_Update (Frame); 149 Allow_Scrolling (Msg, True); 150 151 declare 152 Middle_Column : constant Integer := Integer (Columns) / 2; 153 Middle_Index : constant Natural := Ctl'First + (Ctl'Length / 2); 154 Width : constant Column_Count := 5; 155 Height : constant Line_Count := 3; 156 Half : constant Column_Count := Width / 2; 157 Space : constant Column_Count := 3; 158 Position : Integer; 159 W : Window; 160 begin 161 for I in Ctl'Range loop 162 Position := ((I) - Integer (Middle_Index)) * 163 Integer (Half + Space + Width) + Middle_Column; 164 W := Create (Height, 165 Width, 166 1, 167 Column_Position (Position)); 168 if Has_Colors then 169 Set_Background (Win => W, 170 Ch => (Color => Menu_Back_Color, 171 Attr => Normal_Video, 172 Ch => ' ')); 173 Set_Character_Attributes (Win => W, 174 Attr => Normal_Video, 175 Color => Menu_Fore_Color); 176 Erase (W); 177 end if; 178 Ctl (I) := Create (W); 179 Box (W); 180 Move_Cursor (W, 1, Half); 181 Put (W, (I), 1); 182 Refresh_Without_Update (W); 183 end loop; 184 end; 185 186 Update_Panels; Update_Screen; 187 188 loop 189 K := Get_Key; 190 if K in Special_Key_Code'Range then 191 case K is 192 when QUIT_CODE => exit; 193 when HELP_CODE => Explain_Context; 194 when EXPLAIN_CODE => Explain ("MOUSEKEYS"); 195 when Key_Mouse => Show_Mouse_Event; 196 when others => null; 197 end case; 198 end if; 199 end loop; 200 201 for I in Ctl'Range loop 202 W := Get_Window (Ctl (I)); 203 Clear (W); 204 Delete (Ctl (I)); 205 Delete (W); 206 end loop; 207 208 Clear (Frame); 209 Delete (Pan); 210 Delete (Msg); 211 Delete (Frame); 212 213 Set_Cursor_Visibility (V); 214 End_Mouse (Mask); 215 216 Pop_Environment; 217 Update_Panels; Update_Screen; 218 219 end Demo; 220 221end Sample.Curses_Demo.Mouse; 222