/usr/share/ada/adainclude/texttools/windows.adb is in libtexttools4-dev 2.1.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- WINDOWS (package body) --
-- --
-- Part of TextTools --
-- Designed and Programmed by Ken O. Burtch --
-- --
------------------------------------------------------------------------------
-- --
-- Copyright (C) 1999-2007 Ken O. Burtch --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. This is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with this; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- This is maintained at http://www.pegasoft.ca/tt.html --
-- --
------------------------------------------------------------------------------
-- Had to hard code dispatching in Open/Save dialogs under Gnat 3.05-why?
with unchecked_deallocation;
with system.address_to_access_conversions;
with Ada.Text_Io.Unbounded_IO; use Ada.text_io;
with strings; use strings;
with English; use English;
with Ada.Directories;
with Ada.IO_Exceptions;
with Ada.Containers;
with Ada.Calendar.Formatting;
with Ada.Strings.Fixed;
package body windows is
PackageRunning : boolean := false;
type AStdioFileID is new System.Address;
-- a C standard IO (stdio) file id
function popen( command, mode : string ) return AStdioFileID;
pragma import( C, popen, "popen" );
-- opens a pipe to command
procedure pclose( result : out integer; fid : AStdioFileID );
pragma import( C, pclose, "pclose" );
pragma import_valued_procedure( pclose );
-- closes a pipe
function fputc( c : integer; fid : AStdioFileID ) return integer;
pragma import( C, fputc, "fputc" );
-- part of standard C library. Writes one charctera to a file.
function fputs( s : string; fid : AStdioFileID ) return integer;
pragma import( C, fputs, "fputs" );
-- part of standard C library. Writes a string to a file.
type ADirectoryEntry is array(1..256) of Character;
package de_conv is new system.address_to_access_conversions(
aDirectoryEntry );
use de_conv;
procedure CDesktop( maxx, maxy : integer );
pragma import( C, CDesktop, "CDesktop" );
-- Simple Clipboard for cut/paste of values between controls
type DataTypes is (ListData, StringData, IntegerData, BooleanData);
type ClipboardRec( DataType : DataTypes ) is record
case DataType is
when ListData => l : StrList.vector;
when StringData => s : Unbounded_String;
when IntegerData => i : integer;
--when BooleanData => b : boolean;
--gnat 2.00 gave me a constraint error after saving a false boolean
--saving boolean as integer instead.
when BooleanData => b : integer;
end case;
end record;
type ClipboardType is access ClipboardRec;
Clipboard : ClipboardType := null;
-- Utilities
procedure GetDirectory (L : in out StrList.vector;
Path : in String) is
-- load the specified directory listing into the given list
use Ada.Directories;
procedure Process (Directory_Entry : in Directory_Entry_Type);
procedure Process (Directory_Entry : in Directory_Entry_Type) is
File : constant String := Simple_name (Directory_Entry);
begin
if Kind (Directory_Entry) = Directory then
L.Append (File & "/");
else
L.Append (File);
end if;
end Process;
package Sorting is new Strlist.Generic_Sorting;
begin
Search (Path, "", Process => Process'Access);
Sorting.Sort (L);
exception
when Ada.IO_Exceptions.Name_Error | Ada.IO_Exceptions.Use_Error =>
Sessionlog ("getdirectory: error opening directory '"
& path & "' - no such file or directory" );
end GetDirectory;
-- Shared Controls
--
-- To make the standard dialogs work in low memory situations, and to
-- get around some limitations to 'access, we allocate some basic controls
-- at startup to be shared amongst the standard dialogs.
type ASharedControlsRecord is record
button1 : AControlPtr;
button2 : AControlPtr;
button3 : AControlPtr;
text : AControlptr;
-- others for Save/Open dialogs later
end record;
Shared : ASharedControlsRecord; -- the shared controls
procedure SharedButton( sc : AControlPtr; x1, y1, x2, y2 : integer;
HotKey : character; text : string ) is
-- initialized a button shared amongst the standard dialogs
begin
if sc = null then
SessionLog( "SharedButton: the pointer is null. Package not started?" );
end if;
Finalize( ASimpleButton( sc.all ) );
Init( ASimpleButton( sc.all ), x1, y1, x2, y2, HotKey );
SetText( ASimpleButton( sc.all ), text );
AddControl( sc, IsGlobal => false );
end SharedButton;
procedure SharedLine( sc : AControlPtr; x1, y1, x2, y2 : integer;
text : string ) is
-- initialized a static line shared amongst the standard dialogs
begin
if sc = null then
SessionLog( "SharedLine: the pointer is null. Package not started?" );
end if;
Finalize( AStaticLine( sc.all ) );
Init( AStaticLine( sc.all ), x1, y1, x2, y2 );
SetText( AStaticLine( sc.all ), text );
--SetStyle( AStaticLine( sc.all ), Normal );
AddControl( sc, IsGlobal => false );
end SharedLine;
-- These should be replaced, not renamed
ChimeSkipMinutes : Ada.Calendar.Formatting.Minute_Number := 0;
-- last minutes chime rang (set in DoDialog)
-- Display Info
DisplayInfo : ADisplayInfoRec;
procedure Free is new Unchecked_Deallocation(
Object => ClipboardRec,
Name => ClipboardType );
-- Note Pad
NotePadData : StrList.Vector;
procedure AppendNotepad (S : in StrList.Vector) is
begin
NotePadData := S;
end AppendNotepad;
-- General Window I/O
--
-- Pen motion
procedure MoveTo( x, y : integer ) is
-- move the pen to a new position in the current window. The pen will
-- not move if the position is outside of the current window. Use
-- absolute coordinates.
newx, newy : integer;
begin
newx := Window( CurrentWindow ).content.left -1 + x;
newy := Window( CurrentWindow ).content.top - 1 + y;
if InRect( newx, newy, Window( CurrentWindow ).content ) then
MoveToGlobal( newx, newy );
end if;
exception when others =>
DrawErrLn;
DrawErr( "MoveTo RT exception" );
raise;
end MoveTo;
procedure Move( dx, dy : integer ) is
-- move the pen to a new position in the current window. The pen will
-- not move if the position is outside of the current window. Use
-- relative coordinates.
x, y : integer;
begin
GetPenPos( x, y );
x := x + dx;
y := y + dy;
if InRect( x, y, Window( CurrentWindow ).content ) then
MoveToGlobal( x, y );
end if;
exception when others =>
DrawErrLn;
DrawErr( "Move RT exception" );
raise;
end Move;
-- Coordinate Conversion
procedure ToGlobal( r : in out ARect ) is
-- convert a rectangle with coordinates local to a window to global
-- screen coordinates
begin
OffsetRect( r, Window( CurrentWindow ).content.left - 1,
Window( CurrentWindow ).content.top - 1 );
end ToGlobal;
procedure ToGlobal( x, y : in out integer ) is
-- convert a point with coordinates local to a window to global
-- screen coordinates
begin
x := x + Window( CurrentWindow ).content.left - 1;
y := y + Window( CurrentWindow ).content.right - 1;
end ToGlobal;
procedure ToLocal( r : in out ARect ) is
-- convert a rectangle with global screen coordinates to coordinates
-- local to the current window
begin
OffsetRect( r, - (Window( CurrentWindow ).content.left - 1),
- (Window( CurrentWindow ).content.top - 1) );
end ToLocal;
procedure ToLocal( x, y : in out integer ) is
-- convert a point with global screen coordinates to coordinates
-- local to the current window
begin
x := x - (Window( CurrentWindow ).content.left - 1);
y := y - (Window( CurrentWindow ).content.top - 1);
end ToLocal;
-- General Window I/O
procedure print is
begin
DrawLn;
RevealNow;
end print;
procedure print( s : string ) is
begin
Draw( s );
RevealNow;
end print;
procedure print( i : integer ) is
begin
Draw( i );
RevealNow;
end print;
procedure print( l : long_integer ) is
begin
Draw( l );
RevealNow;
end print;
-- Window Info Bars
procedure DrawInfo( id : AWindowNumber ) is
-- Draw a window's info bar (if any)
win : AWindow renames Window( id );
InfoBar : ARect renames Window( id ).InfoBar;
begin
if win.HasInfoBar then
SetTextStyle( Status );
SetPenColour( White );
MoveToGlobal( InfoBar.left, InfoBar.top );
Draw( To_String (Win.InfoText), InfoBar.right - InfoBar.left + 1, true );
end if;
exception when others =>
DrawErrLn;
DrawErr( "DrawInfo RT exception" );
raise;
end DrawInfo;
procedure DrawInfo is
-- short-cut for current window
begin
DrawInfo( CurrentWindow );
end DrawInfo;
procedure SetInfoText( text : in string ) is
-- change text in the info bar and redraw
cw : AWindow renames Window( CurrentWindow );
begin
if cw.HasInfoBar then
cw.InfoText := To_Unbounded_String (Text);
DrawInfo;
end if;
exception when others =>
DrawErrLn;
DrawErr( "SetInfoText RT exception" );
raise;
end SetInfoText;
-- Window timeouts
procedure SetWindowTimeout( c : AControlNumber; t : in Duration ) is
begin
Window( CurrentWindow ).TimeoutControl := c;
Window( CurrentWindow ).Timeout := t;
end SetWindowTimeout;
-- Window titles
procedure SetWindowTitle( title : in string) is
begin
Window( CurrentWindow ).title := To_Unbounded_String (Title);
DrawWindow;
end SetWindowTitle;
-- Window Inquiries
function GetWindowTitle( id : AWindowNumber ) return string is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return "";
end if;
NoError;
return To_String (Window( id ).Title);
end GetWindowTitle;
function GetWindowStyle( id : AWindowNumber ) return AWindowStyle is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return Normal;
end if;
NoError;
return Window( id ).style;
end GetWindowStyle;
function GetWindowCallBack( id : AWindowNumber ) return
AWindowDrawingCallBack is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return null;
end if;
NoError;
return Window( id ).DrawCB;
end GetWindowCallBack;
function GetWindowHasFrame( id : AWindowNumber ) return boolean is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return False;
end if;
NoError;
return Window( id ).HasFrame;
end GetWindowHasFrame;
function GetWindowFrame( id : AWindowNumber ) return ARect is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return Nullrect;
end if;
NoError;
return Window( id ).Frame;
end GetWindowFrame;
function GetWindowFrameColour( id : AWindowNumber ) return APenColourName is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return White;
end if;
NoError;
return Window( id ).FrameColour;
end GetWindowFrameColour;
function GetWindowContent( id : AWindowNumber ) return ARect is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return nullrect;
end if;
NoError;
return Window( id ).Content;
end GetWindowContent;
function GetWindowHasInfoBar( id : AWindowNumber ) return boolean is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return False;
end if;
NoError;
return Window( id ).HasInfoBar;
end GetWindowHasInfoBar;
function GetWindowInfoText( id : AWindowNumber ) return String is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return "";
end if;
NoError;
return To_String (Window( id ).InfoText);
end GetWindowInfoText;
function GetWindowXScroll( id : AWindowNumber ) return integer is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return 0;
end if;
NoError;
return Window( id ).XScroll;
end GetWindowXScroll;
function GetWindowYScroll( id : AWindowNumber ) return integer is
begin
if Id not in Window'First .. Nextwindow - 1 then
Error( TT_WindowExistance );
return 0;
end if;
NoError;
return Window( id ).YScroll;
end GetWindowYScroll;
-- Window Controls
procedure InitControlTable( ct : in out AControlTable ) is
-- reset counters in a control table. Does not deallocate existing
-- controls.
begin
ct.current := 0; -- initial selection is none
ct.size := 0; -- initial size is 0
end InitControlTable;
procedure AddControl( ptr : AControlPtr; -- pointer to the control
IsGlobal : boolean := true ; -- true if control in global coords.
Control : boolean := true ) is -- false if pgm wants to handle hits
-- add a control entry to the table
-- ct : AControlTable renames Window( CurrentWindow ).table;
-- Content : ARect renames Window( CurrentWindow ).Content;
frame, frame2 : ARect;
-- dtop, dleft, dbottom, dright : integer := 0;
begin
Frame := GetFrame( ptr.all );
-- convert from local to global coordinates, if required
if not IsGlobal then
Frame2 := Frame;
ToGlobal( frame );
Move( ptr.all, frame.left - frame2.left, frame.top - frame2.top );
end if;
-- with scrollable windows, we can no longer constraint to the frame
-- contrain frame to window (dirty trick, but safer this way)
--if frame.left < content.left then
-- dleft := frame.left - content.left;
--end if;
--if frame.top < content.top then
-- dtop := frame.top - content.top;
--end if;
--if frame.right > content.right then
-- dright := content.right - frame.right;
--end if;
--if frame.bottom > content.bottom then
-- dbottom := content.bottom - frame.bottom;
--end if;
--Resize( ptr.all, dleft, dtop, dright, dbottom );
-- GNAT 3.14 bug: rename clause doesn't point "ct" to right entry in
-- control table.
--if ct.size < AControlNumber'last then
-- ct.size := ct.size + 1;
-- if ct.size = 1 then
-- ct.current := 1;
-- end if;
-- ct.control( ct.size ).ptr := ptr;
-- ct.control( ct.size ).kind := kind;
-- ct.control( ct.size ).mine := control;
if Window( CurrentWindow ).table.size < AControlNumber'last then
Window( CurrentWindow ).table.size := Window( CurrentWindow ).table.size + 1;
if Window( CurrentWindow ).table.size = 1 then
Window( CurrentWindow ).table.current := 1;
end if;
Window( CurrentWindow ).table.control( Window( CurrentWindow).table.size ).ptr := ptr;
Window( CurrentWindow ).table.control( Window( CurrentWindow).table.size ).mine := control;
else
null;
end if;
exception when others =>
DrawErrLn;
DrawErr( "AddControl RT exception" );
raise;
end AddControl;
procedure DeleteControl( id : AControlNumber ) is
-- Remove a control from the current window. Shift other controls
-- down to fill in gap in the control table.
ct : AControlTable renames Window( CurrentWindow ).Table;
begin
if id <= ct.size then
if Window( CurrentWindow ).Loaded then
Free( ct.control(id).ptr );
end if;
for i in id..ct.size-1 loop
ct.control( i ) := ct.control(i+1);
end loop;
ct.size := ct.size - 1;
else
Error( TT_ControlExistance );
end if;
exception when others =>
DrawErrLn;
DrawErr( "DeleteControl RT exception" );
raise;
end DeleteControl;
function FindControl( x, y : integer ) return AControlNumber is
-- find the control with this point inside its enclosing frame
begin
for i in 1..Window( CurrentWindow ).Table.size loop
if InControl( Window( CurrentWindow ).Table.Control(i).ptr.all,
x, y ) then
return i;
end if;
end loop;
return 0;
exception when others =>
DrawErrLn;
DrawErr( "FindControl RT exception" );
raise;
end FindControl;
function GetControl( id : AControlNumber ) return AControlPtr is
--return a pointer to a control (for an application to work with)
cp : AControlPtr;
begin
if id > Window( CurrentWindow ).Table.Size then
cp := null;
else
cp := Window( CurrentWindow ).Table.Control( id ).ptr;
end if;
return cp;
end GetControl;
procedure DrawControls( ThisWindow : AWindowNumber ) is
-- Draw a control. If the control is off-screen, it will not be
-- drawn.
begin
WaitToReveal;
for i in 1..Window( ThisWindow ).table.size loop
if insideRect( getFrame( Window( ThisWindow ).table.control(i).ptr.all ),
Window( CurrentWindow ).Content ) then
Draw( Window( ThisWindow ).table.control(i).ptr.all );
end if;
end loop;
Reveal;
exception when others => DrawErrLn;
DrawErr("DrawControls RT Error" );
raise;
end DrawControls;
procedure DrawControls is
begin
DrawControls( CurrentWindow );
end DrawControls;
-- Hilighting Controls
procedure HilightControl( ctr : in out AControlTableRecord ) is
-- Dispatch Hilight, if the control is on the screen.
begin
if insideRect( getFrame( ctr.ptr.all ), Window( CurrentWindow ).Content ) then
if HasInfo( ctr.ptr.all ) then
SetInfoText( GetInfo( ctr.ptr.all ) );
end if;
SetStatus( ctr.ptr.all, On );
Draw( ctr.ptr.all );
else
error( TT_ParamError );
DrawErrLn;
DrawErr( "HilightControl: control not on screen" );
end if;
exception when others =>
DrawErrLn;
DrawErr( "HilightControl RT exception" );
raise;
end HilightControl;
procedure UnhilightControl( ctr : in out AControlTableRecord ) is
-- set control to standby and redraw the control, if the control is on
-- the screen.
begin
if insideRect( getFrame( ctr.ptr.all ), Window( CurrentWindow ).Content ) then
SetStatus( ctr.ptr.all, StandBy );
Draw( ctr.ptr.all );
else
error( TT_ParamError );
DrawErrLn;
DrawErr( "UnhilightControl: control not on screen" );
end if;
end UnhilightControl;
-- Searching Controls
function NextSelectableControl( ct : AControlTable ) return AControlNumber is
-- Find the next active control that is on the screen. The control
-- status is not changed.
ThisControl : AControlNumber;
GiveUp : AControlNumber;
begin
ThisControl := ct.current;
GiveUp := ct.current;
while GetStatus( ct.control( ThisControl ).ptr.all ) = Off or
not insideRect( getFrame( ct.control( thisControl ).ptr.all ),
Window( CurrentWindow ).Content ) loop
if ThisControl < ct.size then
ThisControl := ThisControl + 1;
else
ThisControl := 1;
end if;
if ThisControl = GiveUp then
DrawErr("NextSelectableControl: No selectable controls");
DrawLn;
exit;
end if;
end loop;
return ThisControl;
end NextSelectableControl;
function BackSelectableControl( ct : AControlTable ) return AControlNumber is
-- Like NextSelectableControl but search in reverse direction. The
-- control status is not changed.
ThisControl : AControlNumber;
GiveUp : AControlNumber;
begin
ThisControl := ct.current;
GiveUp := ct.current;
while GetStatus( ct.control( ThisControl ).ptr.all ) = Off or
not insideRect( getFrame( ct.control( thisControl ).ptr.all ),
Window( CurrentWindow ).Content ) loop
if ThisControl > 1 then
ThisControl := ThisControl - 1;
else
ThisControl := ct.size;
end if;
if ThisControl = GiveUp then
DrawErr("BackSelectableControl: No selectable controls");
DrawLn;
exit;
end if;
end loop;
return ThisControl;
exception when others =>
DrawErrLn;
DrawErr( "BackSelectableControl RT exception" );
raise;
end BackSelectableControl;
procedure NextControl is
-- Select the next control (wrap at bottom of table) that is on the
-- screen. The control is not necessarily active. Used when user
-- types tab key.
-- GNAT 3.14 bug
--ct : AControlTable renames Window( CurrentWindow ).table;
-- NOTE: should probably have a "give up" variable for bad windows
begin
if Window( CurrentWindow ).table.size = 0 then
Window( CurrentWindow ).table.current := 0;
return;
end if;
loop
if Window( CurrentWindow ).table.current < Window( CurrentWindow ).table.size then
Window( CurrentWindow ).table.current := Window( CurrentWindow ).table.current + 1;
Window( CurrentWindow ).table.current := NextSelectableControl( Window( CurrentWindow ).table );
HilightControl( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ) );
else
Window( CurrentWindow ).table.current := 1;
Window( CurrentWindow ).table.Current := NextSelectableControl( Window( CurrentWindow ).table );
HilightControl( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ) );
end if;
exit when insideRect( getFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all ), Window( CurrentWindow ).Content );
end loop;
exception when others =>
DrawErrLn;
DrawErr( "NextControl RT exception" );
raise;
end NextControl;
procedure BackControl is
-- select the control before the current one (wrap at top of table).
-- Used when the user types ctrl-t.
-- GNAT 3.14 bug
-- ct : AControlTable renames Window( CurrentWindow ).table;
begin
if Window( CurrentWindow ).table.size = 0 then
Window( CurrentWindow ).table.current := 0;
return;
end if;
loop
if Window( CurrentWindow ).table.current >= 2 then
Window( CurrentWindow ).table.current := Window( CurrentWindow ).table.current - 1;
Window( CurrentWindow ).table.current := BackSelectableControl( Window( CurrentWindow ).table );
HilightControl( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ) );
else
Window( CurrentWindow ).table.current := Window( CurrentWindow ).table.size;
Window( CurrentWindow ).table.current := BackSelectableControl( Window( CurrentWindow ).table );
HilightControl( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ) );
end if;
exit when insideRect( getFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all ), Window( CurrentWindow ).Content );
end loop;
exception when others =>
DrawErrLn;
DrawErr( "BackControl RT exception" );
raise;
end BackControl;
procedure MoveToNextControl( ct : in out AControlTable ) is
-- Move to next control, no hilight (wrap at bottom of table). The
-- control must be on the screen.
begin
if ct.size = 0 then
ct.current := 0;
return;
end if;
loop
if ct.current < ct.size then
ct.current := ct.current + 1;
ct.current := NextSelectableControl( ct );
else
ct.current := 1;
ct.Current := NextSelectableControl( ct );
end if;
exit when insideRect( getFrame( ct.control( ct.current ).ptr.all ), Window( CurrentWindow ).Content );
end loop;
exception when others =>
DrawErrLn;
DrawErr( "MoveToNextControl RT exception" );
raise;
end MoveToNextControl;
procedure NextControlUp is
-- Move up vertically to next control, no hilight (wrap at bottom of
-- table). Used when user moves "up". The control must be on the screen.
-- GNAT 3.14 bug
--ct : AControLTable renames Window( CurrentWindow ).table;
Distance : integer;
Perpend : integer;
BestDistance : integer;
BestPerpend : integer;
BestControl : AControlNumber;
ThisFrame : ARect;
CurrentFrame : ARect;
begin
CurrentFrame := GetFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all );
BestDistance := integer'last;
BestPerpend := integer'last;
BestControl := Window( CurrentWindow ).table.current;
for c in 1..Window( CurrentWindow ).table.size loop
if c /= Window( CurrentWindow ).table.current and GetStatus( Window( CurrentWindow ).table.control( c ).ptr.all )
/= Off and
insideRect( getFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all ), Window( CurrentWindow ).Content ) then
ThisFrame := GetFrame( Window( CurrentWindow ).table.control( c ).ptr.all );
distance := CurrentFrame.Bottom - ThisFrame.Bottom;
if Distance < 0 then
Distance := 1000 + Distance; -- last resort, start from bottom
end if;
perpend := abs( ( ThisFrame.left +
( ThisFrame.right - ThisFrame.left ) / 2 ) -
( CurrentFrame.left +
( CurrentFrame.right - CurrentFrame.left ) / 2 ) );
if Distance /= 0 then
if Perpend < BestPerpend or
( Perpend = BestPerpend and Distance < BestDistance ) then
--if Distance < BestDistance or (Distance = BestDistance
-- and Perpend < BestPerpend) then
BestDistance := Distance;
BestPerpend := Perpend;
BestControl := c;
end if;
end if;
end if;
end loop;
Window( CurrentWindow ).table.current := BestControl;
exception when others =>
DrawErrLn;
DrawErr( "NextControlUp RT exception" );
raise;
end NextControlUp;
procedure NextControlDown is
-- Move down vertically to next control, no hilight (wrap at bottom of
-- table). Used when user moves "down". The control must be on the screen.
-- GNAT 3.14 bug
-- ct : AControLTable renames Window( CurrentWindow ).table;
Distance : integer;
Perpend : integer;
BestDistance : integer;
BestPerpend : integer;
BestControl : AControlNumber;
ThisFrame : ARect;
CurrentFrame : ARect;
begin
CurrentFrame := GetFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all );
BestDistance := integer'last;
BestPerpend := integer'last;
BestControl := Window( CurrentWindow ).table.current;
for c in 1..Window( CurrentWindow ).table.size loop
if c /= Window( CurrentWindow ).table.current and GetStatus( Window( CurrentWindow ).table.control( c ).ptr.all )
/= Off and
insideRect( getFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all ), Window( CurrentWindow ).Content ) then
ThisFrame := GetFrame( Window( CurrentWindow ).table.control( c ).ptr.all );
distance := ThisFrame.Top - CurrentFrame.Top;
if Distance < 0 then
Distance := 1000 + Distance; -- last resort, start from top
end if;
perpend := abs( ( ThisFrame.left +
( ThisFrame.right - ThisFrame.left ) / 2 ) -
( CurrentFrame.left +
( CurrentFrame.right - CurrentFrame.left ) / 2 ) );
if Distance /= 0 then
if Perpend < BestPerpend or
( Perpend = BestPerpend and Distance < BestDistance ) then
--if Distance < BestDistance or (Distance = BestDistance and
-- Perpend < BestPerpend) then
BestDistance := Distance;
BestPerpend := Perpend;
BestControl := c;
end if;
end if;
end if;
end loop;
Window( CurrentWindow ).table.current := BestControl;
exception when others =>
DrawErrLn;
DrawErr( "NextControlDown RT exception" );
raise;
end NextControlDown;
procedure NextControlLeft is
-- Move left horizontally to next control, no hilight (wrap at bottom of
-- table). Used when user moves "left". The control must be on the screen.
-- GNAT 3.14 bug
-- ct : AControLTable renames Window( CurrentWindow ).table;
Distance : integer;
Perpend : integer;
BestDistance : integer;
BestPerpend : integer;
BestControl : AControlNumber;
ThisFrame : ARect;
CurrentFrame : ARect;
begin
CurrentFrame := GetFrame( Window( CurrentWIndow ).table.control( Window( CurrentWIndow ).table.current ).ptr.all );
BestDistance := integer'last;
BestPerpend := integer'last;
BestControl := Window( CurrentWIndow ).table.current;
for c in 1..Window( CurrentWIndow ).table.size loop
if c /= Window( CurrentWIndow ).table.current and GetStatus( Window( CurrentWindow ).table.control( c ).ptr.all )
/= Off and
insideRect( getFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all ), Window( CurrentWindow ).Content ) then
ThisFrame := GetFrame( Window( CurrentWindow ).table.control( c ).ptr.all );
distance := CurrentFrame.Right - ThisFrame.Right;
if Distance < 0 then
Distance := 1000 + Distance; -- last resort, start from right
end if;
perpend := abs( ( ThisFrame.top +
( ThisFrame.bottom - ThisFrame.top ) / 2 ) -
( CurrentFrame.top +
( CurrentFrame.bottom - CurrentFrame.top ) / 2 ) );
if Distance /= 0 then
if Perpend < BestPerpend or
( Perpend = BestPerpend and Distance < BestDistance ) then
--if Distance < BestDistance or (Distance = BestDistance and
-- Perpend < BestPerpend) then
BestDistance := Distance;
BestPerpend := Perpend;
BestControl := c;
end if;
end if;
end if;
end loop;
Window( CurrentWindow ).table.current := BestControl;
exception when others =>
DrawErrLn;
DrawErr( "NextControlLeft RT exception" );
raise;
end NextControlLeft;
procedure NextControlRight is
-- Move right horizontally to next control, no hilight (wrap at bottom of
-- table). Used when user moves "right". The control must be on the screen.
-- GNAT 3.14 bug
-- ct : AControLTable renames Window( CurrentWindow ).table;
Distance : integer;
Perpend : integer;
BestDistance : integer;
BestPerpend : integer;
BestControl : AControlNumber;
ThisFrame : ARect;
CurrentFrame : ARect;
begin
CurrentFrame := GetFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all );
BestDistance := integer'last;
BestPerpend := integer'last;
BestControl := Window( CurrentWindow ).table.current;
for c in 1..Window( CurrentWindow ).table.size loop
if c /= Window( CurrentWindow ).table.current and GetStatus( Window( CurrentWindow ).table.control( c ).ptr.all )
/= Off and
insideRect( getFrame( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all ), Window( CurrentWindow ).Content ) then
ThisFrame := GetFrame( Window( CurrentWindow ).table.control( c ).ptr.all );
distance := ThisFrame.Left - CurrentFrame.Left;
if Distance < 0 then
Distance := 1000 + Distance; -- last resort, start from left
end if;
perpend := abs( ( ThisFrame.top +
( ThisFrame.bottom - ThisFrame.top ) / 2 ) -
( CurrentFrame.top +
( CurrentFrame.bottom - CurrentFrame.top ) / 2 ) );
if Distance /= 0 then
if Perpend < BestPerpend or
( Perpend = BestPerpend and Distance < BestDistance ) then
--if Distance < BestDistance or (Distance = BestDistance and
-- Perpend < BestPerpend) then
BestDistance := Distance;
BestPerpend := Perpend;
BestControl := c;
end if;
end if;
end if;
end loop;
Window( CurrentWindow ).table.current := BestControl;
exception when others =>
DrawErrLn;
DrawErr( "NextControlRight RT exception" );
raise;
end NextControlRight;
procedure FirstControl is
-- select the first control in the table. The control must be on the
-- screen.
-- GNAT 3.14 bug
-- ct : AControLTable renames Window( CurrentWindow ).table;
begin
if Window( CurrentWindow ).table.size = 0 then
Window( CurrentWindow ).table.current := 0;
else
Window( CurrentWindow ).table.current := 1;
Window( CurrentWindow ).table.current := NextSelectableControl( Window( CurrentWindow ).table );
HilightControl( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ) );
end if;
exception when others =>
DrawErrLn;
DrawErr( "FirstControl RT exception" );
raise;
end FirstControl;
function ScanControls( ScanKey : character ) return boolean is
-- Do a hot key search. The control must be on the screen.
-- GNAT 3.14 bug
-- ct : AControlTable renames Window( CurrentWindow ).table;
KeyToFind : character;
function ScanControlsForKey return boolean is
GiveUp : AControlNumber;
ThisKey : character;
NoMatch : boolean;
begin
GiveUp := Window( CurrentWindow ).table.current;
loop
ThisKey := GetHotKey( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ).ptr.all );
if ThisKey /= NullKey then
if ThisKey = KeyToFind then
NoMatch := false;
exit;
end if;
end if;
MoveToNextControl( Window( CurrentWindow ).table );
if Window( CurrentWindow ).table.current = GiveUp then
NoMatch := true;
exit;
end if;
end loop;
if not NoMatch then
HilightControl( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ) );
end if;
return not NoMatch;
end ScanControlsForKey;
begin
KeyToFind := ScanKey;
if ScanControlsForKey then
return true;
else
if KeyToFind >= 'a' and KeyToFind <= 'z' then
KeyToFind := character'val( character'pos( KeyToFind ) - 32 );
return ScanControlsForKey;
elsif KeyToFind >= 'A' and KeyToFind <= 'Z' then
KeyToFind := character'val( character'pos( KeyToFind ) + 32 );
return ScanControlsForKey;
end if;
end if;
return false;
exception when others =>
DrawErrLn;
DrawErr( "ScanControls RT exception" );
raise;
end ScanControls;
function CurrentControl return AControlNumber is
-- Return a pointer to the active control
-- GNAT 3.14 bug
-- ct : AControlTable renames Window( CurrentWindow ).table;
begin
return Window( CurrentWindow ).table.current;
end CurrentControl;
function FindClickedControl( dt : aDialogTaskRecord ) return boolean is
-- find an active control that mouse was clicked in, if any
-- GNAT 3.14 bug
-- ct : AControlTable renames Window( CurrentWindow ).table;
Found : boolean := false;
OldCurrent : AControlNumber;
Frame : aRect;
begin
-- no controls in window? nothing to detect
if Window( CurrentWindow ).table.size = 0 then
return false;
end if;
-- save old current so we know when we've checked every control
OldCurrent := CurrentControl;
loop
Frame := GetFrame( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all );
if InRect( dt.InputRec.UpLocationX, dt.InputRec.UpLocationY,
Frame ) then
Found := true;
exit;
end if;
-- this changes CurrentControl
if Window( CurrentWindow ).table.current < Window( CurrentWindow ).table.size then
Window( CurrentWindow ).table.current := Window( CurrentWindow ).table.current + 1;
else
Window( CurrentWindow ).table.current := 1;
end if;
Window( CurrentWindow ).table.current := NextSelectableControl( Window( CurrentWindow ).table );
exit when CurrentControl = OldCurrent;
end loop;
HilightControl( Window( CurrentWindow ).table.control( Window( CurrentWindow ).table.current ) );
return Found;
end FindClickedControl;
procedure FixRadioFamily( selectedButton : AControlNumber ) is
-- For a radio button family, turn off all other radio buttons
-- except for the selected radio button. It does not select
-- the selected button. Radio buttons are redrawn if they are
-- visible.
-- GNAT 3.14 bug
-- ct : AControlTable renames Window( CurrentWindow ).table;
Target : integer;
begin
WaitToReveal;
Target :=GetFamily(ARadioButton(Window( CurrentWindow ).table.control(selectedButton).ptr.all));
for c in 1..Window( CurrentWindow ).table.size loop
if Window( CurrentWindow ).table.control(c).ptr.all in aRadioButton'class and then c /= selectedButton then
if GetFamily( ARadioButton( Window( CurrentWindow ).table.control(c).ptr.all ) ) = Target then
if GetCheck( ARadioButton( Window( CurrentWindow ).table.control(c).ptr.all ) ) then
SetCheck( ARadioButton( Window( CurrentWindow ).table.control(c).ptr.all ), false );
Invalid( Window( CurrentWindow ).table.control(c).ptr.all );
if insideRect( getFrame( Window( CurrentWindow ).table.control( c ).ptr.all ), Window( CurrentWindow ).Content ) then
Draw( ARadioButton( Window( CurrentWindow ).table.control(c).ptr.all ) );
end if;
end if;
end if;
end if;
end loop;
Reveal;
exception when others =>
DrawErrLn;
DrawErr( "FixRadioFamily RT exception" );
raise;
end FixRadioFamily;
procedure InvalidateControls( ThisWindow : AWindowNumber ) is
-- Mark all controls in a window as invalid (needing to be redrawn).
begin
for i in 1..Window( ThisWindow ).table.size loop
Invalid( Window( ThisWindow ).table.control(i).ptr.all );
end loop;
end InvalidateControls;
--- Clipboard for the Window Manager
procedure ClearClipboard is
-- Clear contents of clipboard
begin
if Clipboard /= null then
Free( Clipboard );
Clipboard := null;
end if;
end ClearClipboard;
procedure NewClipboard( s : string ) is
-- Add string data to clipboard
begin
ClearClipboard;
Clipboard := new ClipboardRec( StringData );
Clipboard.all.s := To_Unbounded_String (S);
exception when others =>
StopAlert( "NewClipboard(s): RT Error" );
end NewClipboard;
procedure NewClipboard (sl : strList.Vector) is
-- Add string list data to clipboard
begin
ClearClipboard;
Clipboard := new ClipboardRec( ListData );
Clipboard.all.l := sl;
exception when others =>
StopAlert( "NewClipboard(sl): RT Error" );
end NewClipboard;
procedure NewClipboard( i : integer ) is
-- Add integer data to clipboard
begin
ClearClipboard;
Clipboard := new ClipboardRec( IntegerData );
Clipboard.all.i := i;
exception when others =>
StopAlert( "NewClipboard(i): RT Error" );
end NewClipboard;
procedure NewClipboard( b : boolean ) is
-- Add boolean data to clipboard
begin
ClearClipboard;
Clipboard := new ClipboardRec( BooleanData );
Clipboard.all.b := boolean'pos(b);
exception when constraint_error =>
StopAlert( "NewClipboard(b): Constraint Error" );
when others =>
StopAlert( "NewClipboard(b): RT Error" );
end NewClipboard;
procedure LoadClipboard is
-- Copy value from the current control into the window manager clipboard.
-- Don't know if GNAT 3.14 bug affects this, but I'll expand it anyway
--ctr : AControlTableRecord renames
-- Window( CurrentWindow ).table.control( CurrentControl );
Sl : StrList.Vector;
begin
if Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aThermometer then
NewClipboard( GetValue( AThermometer( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aScrollBar then
NewClipboard( GetThumb( AScrollBar( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aStaticLine then
NewClipboard( GetText( AStaticLine( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in anEditLine then
NewClipboard( GetText( AnEditLine( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aCheckBox then
NewClipboard( GetCheck( ACheckBox( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aRadioButton then
NewClipboard( GetCheck( ARadioButton( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aSimpleButton then
NewClipboard( GetText( ASimpleButton( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aRectangle then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aLine then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aWindowButton then
NewClipboard( GetText( AWindowButton( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aStaticLine then
if GetMark( AStaticList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) < 0 then
NewClipboard (CopyLine (AStaticList (Window (CurrentWindow).table.Control (CurrentControl).ptr.all)));
else
CopyLines( AStaticList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ),
GetCurrent( AStaticList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ), sl );
NewClipboard( sl );
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aCheckList then
if GetMark( ACheckList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) < 0 then
NewClipboard (CopyLine (AcheckList (Window (CurrentWindow).table.Control (CurrentControl).ptr.all)));
else
CopyLines( ACheckList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ),
GetCurrent( ACheckList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ), sl );
NewClipboard( sl );
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aRadioList then
if GetMark( ARadioList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) < 0 then
NewClipboard (CopyLine (ARadioList (Window (CurrentWindow).table.Control (CurrentControl).ptr.all)));
else
CopyLines( ARadioList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ),
GetCurrent( ARadioList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ), sl );
NewClipboard( sl );
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in anEditList then
if GetMark( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) < 0 then
NewClipboard (CopyLine (AnEditList (Window (CurrentWindow).table.Control (CurrentControl).ptr.all)));
else
CopyLines( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ),
GetCurrent( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ), sl );
NewClipboard( sl );
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aTreeList then
if GetMark( ATreeList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) < 0 then
NewClipboard (CopyLine (ATreeList (Window (CurrentWindow).table.Control (CurrentControl).ptr.all)));
else
CopyLines( ATreeList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ),
GetCurrent( ATreeList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ), sl );
NewClipboard( sl );
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aSourceEditList then
if GetMark( ASourceEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ) < 0 then
NewClipboard (CopyLine (ASourceEditList (Window (CurrentWindow).table.Control (CurrentControl).ptr.all)));
else
CopyLines( ASourceEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ),
GetCurrent( ASourceEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) ), sl );
NewClipboard( sl );
end if;
else
SessionLog( "LoadClipboard: Unknown control type" );
end if;
exception when others =>
DrawErrLn;
DrawErr( "LoadClipboard RT exception" );
raise;
end LoadClipboard;
procedure PasteClipboard is
-- Copy the value in the window manager clipboard into the current
-- control.
procedure PasteTypeError is
-- show a warning for pasting invalid data for a control
begin
case Clipboard.all.DataType is
when IntegerData =>
CautionAlert( "Can't paste numbers here" );
when StringData =>
CautionAlert( "Can't paste text here" );
when BooleanData =>
CautionAlert( "Can't paste checks here" );
when others =>
StopAlert( "Can't paste this kind of info" );
end case;
end PasteTypeError;
-- GNAT 3.14 bug maybe
--ctr : AControlTableRecord renames
-- Window( CurrentWindow ).table.control( CurrentControl );
begin
if Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aThermometer then
if Clipboard /= null and then Clipboard.all.DataType = IntegerData then
SetValue( AThermometer( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), Clipboard.all.i );
else
PasteTypeError;
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aScrollBar then
if Clipboard /= null and then Clipboard.all.DataType = IntegerData then
SetThumb( AScrollBar( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), Clipboard.all.i );
else
PasteTypeError;
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aStaticLine then
if Clipboard /= null and then Clipboard.all.DataType = StringData then
SetText( AStaticLine( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), To_String (Clipboard.all.S) );
else
PasteTypeError;
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in anEditLine then
if Clipboard /= null then
if Clipboard.all.DataType = StringData then
SetText( AnEditLine( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), To_String (Clipboard.all.S) );
elsif Clipboard.all.DataType = IntegerData then
SetText( AnEditLine( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), integer'image( Clipboard.all.i ));
else
PasteTypeError;
end if;
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aCheckBox then
if Clipboard /= null and then Clipboard.all.DataType = BooleanData then
SetCheck( ACheckBox( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), boolean'val( Clipboard.all.b ) );
else
PasteTypeError;
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aRadioButton then
if Clipboard /= null and then Clipboard.all.DataType = BooleanData then
SetCheck( ARadioButton( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), boolean'val( Clipboard.all.b ) );
FixRadioFamily( CurrentControl );
else
PasteTypeError;
end if;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aSimpleButton then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aRectangle then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aLine then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aWindowButton then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aStaticList then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aCheckList then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aRadioList then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aTreeList then
null;
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in anEditList then
if Clipboard /= null then
if Clipboard.all.DataType = StringData then
PasteLine( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), To_String (Clipboard.all.S) );
elsif Clipboard.all.DataType = IntegerData then
PasteLine( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), integer'image( Clipboard.all.i ) );
elsif Clipboard.all.DataType = ListData then
PasteLines( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), Clipboard.all.l );
else
PasteTypeError;
end if;
end if;
Invalid( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all );
Touch( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) );
elsif Window( CurrentWindow ).table.control( CurrentControl ).ptr.all in aSourceEditList then
if Clipboard /= null then
if Clipboard.all.DataType = StringData then
PasteLine( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), To_String (Clipboard.all.S) );
elsif Clipboard.all.DataType = IntegerData then
PasteLine( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), integer'image( Clipboard.all.i ) );
elsif Clipboard.all.DataType = ListData then
PasteLines( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ), Clipboard.all.l );
else
PasteTypeError;
end if;
end if;
Invalid( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all );
Touch( AnEditList( Window( CurrentWindow ).table.control( CurrentControl ).ptr.all ) );
else
null;
end if;
exception when others =>
DrawErrLn;
DrawErr( "PasteClipboard RT exception" );
raise;
end PasteClipboard;
procedure DoDialog( DialogTask : in out ADialogTaskRecord;
TaskCB : in ADialogTaskCallBack := null;
HearInCB : in ADialogTaskCallBack := null;
HearOutCB : in ADialogTaskCallBack := null ) is
use Ada.Calendar;
--
-- This is the dialog manager. This procedure handles input in the
-- current window and returns events for the application to handle.
-- Its duties include:
-- * displaying the clock on the screen
-- * ringing the chime every 15
-- * invoking the idle tasks for the other packages
-- * the accessories window
-- * following window button links
-- * handling interaction between scroll bars / thermometers & boxes)
-- * handling hot keys
-- * handling cut/copy/paste, screen redraw key, etc.
-- An application spends most of its time here.
--
cp : AControlPtr; -- just a control pointer
MovedToNewControl : boolean; -- true if scancontrols was successful
table : AControlTable renames Window(CurrentWindow).table;
LoopTime : Time; -- time input loop was started
IdleMark : Time; -- for idle tasks
IdleTime : Duration; -- for idle tasks
-- Chime
ChimeMark : Time; -- time clock was last check for chime
-- ChimeSkipMinutes is global (ie across all executions of DoDialog)
Minutes : Formatting.Minute_Number;
procedure ShowAccessoriesWindow is
-- Show the pop-up desk accessories window
dialogWindow : AWindowNumber; -- last window
dialogControl : AControlNumber; -- last active control
pragma Unreferenced (DialogWindow, Dialogcontrol);
item : AControlNumber;
width : constant integer := 20; -- content dimensions of our window
height : constant integer := 5;
DialogTask : ADialogTaskRecord;
procedure ShowCalendar is
-- The Calendar desk accessor
Y : constant String := Year_Number'Image (Year (Clock));
CalList : StrList.Vector;
begin
Runit ("/usr/bin/cal", "-y", Y, Results => Callist);
CalList.Append ("Today is " & Formatting.Image (Clock));
ShowListInfo( "Calendar for" & Y, 0, 1, 79, 24, CalList );
pragma Unreferenced (Callist);
end ShowCalendar;
procedure ShowNotepad is
-- Notepad desk accessory
NotePadSave : StrList.Vector;
SaveChanges : boolean;
begin
NotePadSave := Notepaddata;
EditListInfo( "Notepad", 0, 1, 79, 24, NotePadData, SaveChanges );
if not SaveChanges then
Notepaddata := NotePadSave;
end if;
end ShowNotePad;
begin
dialogWindow := CurrentWindow;
dialogControl := CurrentControl;
OpenWindow( "Accessories Menu", 2, 2, width + 1 + 2, height + 1 + 2 );
SharedButton( Shared.Button1, 2, 2, 7, 2, 'o', s_OK );
SharedButton( Shared.Button2, 2, 3, 13, 3, 'c', "Calendar");
SharedButton( Shared.Button3, 2, 4, 13, 4, 'n', "Notepad");
DialogTask.control := 1;
DoDialog( DialogTask ); -- recursion here
item := DialogTask.Control;
if item = 2 then
ShowCalendar;
elsif item = 3 then
ShowNotepad;
end if;
CloseWindow;
HilightControl( Window( CurrentWindow ).table.control(CurrentControl));
end ShowAccessoriesWindow;
function DoFollowLink return AControlNumber is
-- For a window button, load the new window indicated
-- by the window button or launch an application (lynx) to
-- display the web page/etc. Returns control hit, or 0.
wb : AWindowButton renames AWindowButton(
Window( CurrentWindow ).Table.control( CurrentControl ).ptr.all );
link : constant String := GetLink( wb );
DT : ADialogTaskRecord;
begin
if Ada.Strings.Fixed.Head (Link, 9) = "window://" then
LoadWindow( Ada.Strings.Fixed.Tail (Link, Link'Length - 10));
NoteAlert( link ); -- testing
DoDialog( DT ); -- recursion here;
NoteAlert( "Closing autowindow" ); -- testing
CloseWindow;
return DT.control;
elsif Ada.Strings.Fixed.Head (Link, 6) = "http:/" then
SessionLog( "DoFollowLink: following " & link );
ShellOut( "lynx " & link );
return 0;
elsif Ada.Strings.Fixed.Head (Link, 6) = "file:/" then
SessionLog( "DoFollowLink: following " & link );
ShellOut( "lynx " & link );
return 0;
elsif Ada.Strings.Fixed.Head (link, 7 ) = "unix://" then
SessionLog( "DoFollowLink: following " & link );
ShellOut( Ada.Strings.Fixed.Tail (Link, Link'Length - 8) );
return 0;
else
StopAlert( "DoFollowLink: Can't follow this type" );
return 0;
end if;
exception
when Status_Error =>
NoteAlert( "DoFollowLink: " & Link & " open" );
return 0;
when Use_Error =>
NoteAlert( "DoFollowLink: Use error" );
return 0;
when Name_Error =>
NoteAlert( "DoFollowLink: " & Link & " not found" );
return 0;
when others =>
NoteAlert( "DoFollowLink: Unable to load " & Link);
return 0;
end DoFollowLink;
procedure AdjustScrollBar is
-- Fix a scroll bar or thermometer to accurately reflect a list
-- control's position. The list control must be the current control.
-- If the bar/thermometer is on the screen, it will be redrawn.
sb : AControlNumber;
psn : Natural;
max : integer;
list: AControlTableRecord renames Table.Control( CurrentControl );
begin
if Table.Control( CurrentControl ).ptr.all in aStaticList then
sb := GetScrollBar( AStaticList( list.ptr.all ) );
psn:= GetCurrent( AStaticList( list.ptr.all ) ) - 1;
max:= GetLength( AStaticList( list.ptr.all ) );
elsif Table.Control( CurrentControl ).ptr.all in aCheckList then
sb := GetScrollBar( ACheckList( list.ptr.all ) );
psn:= GetCurrent( ACheckList( list.ptr.all ) ) - 1;
max:= GetLength( ACheckList( list.ptr.all ) );
elsif Table.Control( CurrentControl ).ptr.all in aRadioList then
sb := GetScrollBar( ARadioList( list.ptr.all ) );
psn:= GetCurrent( ARadioList( list.ptr.all ) ) - 1;
max:= GetLength( ARadioList( list.ptr.all ) );
elsif Table.Control( CurrentControl ).ptr.all in anEditList then
sb := GetScrollBar( AnEditList( list.ptr.all ) );
psn := GetCurrent( AnEditList( list.ptr.all ) );
max := GetLength( AnEditList( list.ptr.all ) );
elsif Table.Control( CurrentControl ).ptr.all in aTreeList then
sb := GetScrollBar( ATreeList( list.ptr.all ) );
psn := GetCurrent( ATreeList( list.ptr.all ) );
max := GetLength( ATreeList( list.ptr.all ) );
elsif Table.Control( CurrentControl ).ptr.all in aSourceEditList then
sb := GetScrollBar( ASourceEditList( list.ptr.all ) );
psn := GetCurrent( ASourceEditList( list.ptr.all ) );
max := GetLength( ASourceEditList( list.ptr.all ) );
else
StopAlert( "AdjustScrollBar: unknown control type" );
end if;
if sb /= 0 then
if Table.Control( sb ).ptr.all in aScrollBar then
if GetMax( AScrollBar( Table.Control( sb ).ptr.all ) ) /= max then
SetMax( AScrollBar( Table.Control( sb ).ptr.all ), max );
end if;
SetThumb( AScrollBar( Table.Control( sb ).ptr.all ), psn);
UnhilightControl( list );
if insideRect( getFrame( Window( CurrentWindow ).table.control( sb ).ptr.all ), Window( CurrentWindow ).Content ) then
Draw( Table.Control( sb ).ptr.all );
end if;
HilightControl( list );
elsif Table.Control( sb ).ptr.all in aThermometer then
if GetMax( AThermometer( Table.Control( sb ).ptr.all ) ) /= max then
SetMax( AThermometer( Table.Control( sb ).ptr.all ), max );
end if;
SetValue( AThermometer( Table.Control( sb ).ptr.all ), psn);
if insideRect( getFrame( Window( CurrentWindow ).table.control( sb ).ptr.all ), Window( CurrentWindow ).Content ) then
Draw( Table.Control( sb ).ptr.all );
end if;
else
StopAlert( "AdjustScrollBar: Control not a scroll bar or therm" );
end if;
end if;
exception when others => DrawErrLn;
DrawErr("AdjustScrollBar: RT error");
raise;
end AdjustScrollBar;
procedure AdjustListControl is
-- Fix a list control so its current position is updated to
-- reflect an associated scroll bar or thermometer. The list
-- is redrawn if it is on the screen.
list: AControlNumber;
psn : integer;
max : integer;
len : Natural;
sb : AControlTableRecord renames Table.Control( CurrentControl );
begin
if Table.Control( CurrentControl ).ptr.all in aScrollBar then
list := GetOwner( AScrollBar( sb.ptr.all ) );
psn := GetThumb( AScrollBar( sb.ptr.all ) ) + 1;
max := GetMax( AScrollBar( sb.ptr.all ) );
else
StopAlert( "AdjustListControl: not a scroll bar" );
end if;
if list /= 0 then
if Table.Control( list ).ptr.all in aStaticList then
len := GetLength( AStaticList( Table.Control( list ).ptr.all ) );
SetOrigin( AStaticList( Table.Control( list ).ptr.all ), len * psn / max );
if insideRect( getFrame( Window( CurrentWindow ).table.control( currentControl ).ptr.all ), Window( CurrentWindow ).Content ) then
UnhilightControl( sb );
Draw( Table.Control( list ).ptr.all );
HilightControl( sb );
end if;
elsif Table.Control( list ).ptr.all in aCheckList then
len := GetLength( ACheckList( Table.Control( list ).ptr.all ) );
SetOrigin( ACheckList( Table.Control( list ).ptr.all ), len * psn / max );
if insideRect( getFrame( Window( CurrentWindow ).table.control( currentControl ).ptr.all ), Window( CurrentWindow ).Content ) then
UnhilightControl( sb );
Draw( Table.Control( list ).ptr.all );
HilightControl( sb );
end if;
elsif Table.Control( list ).ptr.all in aRadioList then
len := GetLength( ARadioList( Table.Control( list ).ptr.all ) );
SetOrigin( ARadioList( Table.Control( list ).ptr.all ), len * psn / max );
if insideRect( getFrame( Window( CurrentWindow ).table.control( currentControl ).ptr.all ), Window( CurrentWindow ).Content ) then
UnhilightControl( sb );
Draw( Table.Control( list ).ptr.all );
HilightControl( sb );
end if;
elsif Table.Control( list ).ptr.all in anEditList then
len := GetLength( AnEditList( Table.Control( list ).ptr.all ) );
SetOrigin( AnEditList( Table.Control( list ).ptr.all ), len * psn / max );
if insideRect( getFrame( Window( CurrentWindow ).table.control( currentControl ).ptr.all ), Window( CurrentWindow ).Content ) then
UnhilightControl( sb );
Draw( Table.Control( list ).ptr.all );
HilightControl( sb );
end if;
elsif Table.Control( list ).ptr.all in aTreeList then
len := GetLength( ATreeList( Table.Control( list ).ptr.all ) );
SetOrigin( ATreeList( Table.Control( list ).ptr.all ), len * psn / max );
if insideRect( getFrame( Window( CurrentWindow ).table.control( currentControl ).ptr.all ), Window( CurrentWindow ).Content ) then
UnhilightControl( sb );
Draw( Table.Control( list ).ptr.all );
HilightControl( sb );
end if;
elsif Table.Control( list ).ptr.all in aSourceEditList then
len := GetLength( ASourceEditList( Table.Control( list ).ptr.all ) );
SetOrigin( ASourceEditList( Table.Control( list ).ptr.all ), len * psn / max );
if insideRect( getFrame( Window( CurrentWindow ).table.control( currentControl ).ptr.all ), Window( CurrentWindow ).Content ) then
UnhilightControl( sb );
Draw( Table.Control( list ).ptr.all );
HilightControl( sb );
end if;
else
StopAlert( "AdjustListControl: Control not a List" );
end if;
end if;
exception when others => DrawErrLn;
DrawErr("AdjustListControl: RT error ");
raise;
end AdjustListControl;
procedure AdjustMyScrollBars is
begin
if Table.Control( CurrentControl ).ptr.all in aScrollBar then
AdjustListControl;
elsif Table.Control( CurrentControl ).ptr.all in aStaticList then
AdjustScrollBar;
elsif Table.Control( CurrentControl ).ptr.all in aCheckList then
AdjustScrollBar;
elsif Table.Control( CurrentControl ).ptr.all in aRadioList then
AdjustScrollBar;
elsif Table.Control( CurrentControl ).ptr.all in anEditList then
AdjustScrollBar;
elsif Table.Control( CurrentControl ).ptr.all in aTreeList then
AdjustScrollBar;
elsif Table.Control( CurrentControl ).ptr.all in aSourceEditList then
AdjustScrollBar;
else
null;
end if;
end AdjustMyScrollBars;
function DoStandardActions return boolean is
-- handle standard actions return from a control's Hear
-- call
exitloop : boolean := false; -- true if exit event loop
begin
case DialogTask.Action is
when Next =>
UnhilightControl( Table.Control( CurrentControl ) );
NextControl;
HilightControl( Table.Control( CurrentControl ) );
when Back =>
UnhilightControl( Table.Control( CurrentControl ) );
BackControl;
HilightControl( Table.Control( CurrentControl ) );
when Up =>
UnhilightControl( Table.Control( CurrentControl ) );
NextControlUp;
HilightControl( Table.Control( CurrentControl ) );
when Down =>
UnhilightControl( Table.Control( CurrentControl ) );
NextControlDown;
HilightControl( Table.Control( CurrentControl ) );
when Left =>
UnhilightControl( Table.Control( CurrentControl ) );
NextControlLeft;
HilightControl( Table.Control( CurrentControl ) );
when Right =>
UnhilightControl( Table.Control( CurrentControl ) );
NextControlRight;
HilightControl( Table.Control( CurrentControl ) );
when Complete =>
DialogTask.MyTask := Complete;
DialogTask.Control := CurrentControl;
--- inputrec and action already filled
exitloop := true;
when ScanNext =>
UnhilightControl( Table.Control( CurrentControl ) );
MovedToNewControl := ScanControls( DialogTask.InputRec.Key );
HilightControl( Table.Control( CurrentControl ) );
-- if moved to a different control, check for a button
-- and if it's instant, give it a return key to activate
-- it.
if MovedToNewControl then
if Table.Control( CurrentControl ).ptr.all in aSimpleButton then
if GetInstant( ASimpleButton( Table.Control( CurrentControl ).ptr.all ) ) then
declare
fakeInput : AnInputRecord (KeyInput);
begin
fakeInput.key := ReturnKey;
Hear( Table.Control( CurrentControl ).ptr.all, fakeInput, DialogTask.action );
end;
DialogTask.MyTask := Complete;
DialogTask.Control := CurrentControl;
exitloop := true;
end if;
elsif Table.Control( CurrentControl ).ptr.all in aWindowButton then
if GetInstant( AWindowButton( Table.Control( CurrentControl ).ptr.all ) ) then
declare
fakeInput : AnInputRecord (KeyInput);
begin
fakeInput.key := ReturnKey;
Hear( Table.Control( CurrentControl ).ptr.all, fakeInput, DialogTask.action );
end;
-- handle instant follow links here since it won't make it
-- around again after top of loop. Normal follow links
-- will hit the "when FollowLink" case.
if DialogTask.action = FollowLink then
SetControlHit( AWindowButton( cp.all ), DoFollowLink );
--DialogTask.Action := none;
end if;
end if;
end if;
end if; --b
when FollowLink =>
SetControlHit( AWindowButton( cp.all ), DoFollowLink );
when None =>
if Table.Control( CurrentControl ).mine then
AdjustMyScrollBars;
else
DialogTask.MyTask := Hit;
DialogTask.Control := CurrentControl;
-- InputRec and Action already filled
if TaskCB /= null then
TaskCB.all( DialogTask );
else
DialogTask.MyTask := DialogError;
Error( TT_NoDialogTaskCB );
exitloop := true;
end if;
end if;
when others =>
DrawErr ("DoDialog: unabled to handle control result");
DrawErrLn;
end case;
return exitloop;
end DoStandardActions;
procedure DrawTime( timestr : in string ) is
-- draw time in bottom-right of screen, but don't lose
-- current cursor position or pen attributes
OldX, OldY : integer;
OldColour : APenColourName;
OldStyle : ATextStyle;
begin
GetPenPos( OldX, OldY );
OldColour := GetPenColour;
OldStyle := GetTextStyle;
SetTextStyle( Footnote );
SetPenColour( outline );
MoveToGlobal( DisplayInfo.H_Res-7, DisplayInfo.V_Res-1 );
Draw( Ada.Strings.Fixed.Head (TimeStr, 5) ); -- show "hh:mm"
MoveToGlobal( OldX, OldY );
SetPenColour( OldColour );
SetTextStyle( OldStyle );
end DrawTime;
use Ada.Containers;
begin -- DoDialog
NoError;
DialogTask.MyTask := None;
DialogTask.Action := None;
if length( Window( CurrentWindow ).Title ) > 0 then
SessionLog( "DoDialog: Dialog for window called '" &
To_String (Window( CurrentWindow ).Title) & "'" );
else
SessionLog( "DoDialog: Running dialog for untitled window" );
end if;
if Window( CurrentWindow ).table.size = 0 then
DialogTask.MyTask := DialogError;
DialogTask.control := AControlNumber'First;
Error( TT_NoControls );
return;
end if;
DrawControls;
FirstControl;
HilightControl( Table.Control( CurrentControl ) );
IdleMark := Clock;
ChimeMark := Clock;
loop
LoopTime := Clock;
-- Hour and Quarterly Chimes
if LoopTime - ChimeMark > 15.0 then -- check every 15 seconds
ChimeMark := LoopTime; -- update the chime mark
Minutes := Formatting.Minute (Clock);
DrawTime (Formatting.Image (Clock));
if Minutes /= ChimeSkipMinutes then -- already chimed this min?
if Minutes = 0 then -- if not, 00 is hour chime
Beep( HourChime ); -- etc.
ChimeSkipMinutes := Minutes;
elsif Minutes = 15 then
Beep( QuarterChime1 );
ChimeSkipMinutes := Minutes;
elsif Minutes = 30 then
Beep( QuarterChime2 );
ChimeSkipMinutes := Minutes;
elsif Minutes = 45 then
Beep( QuarterChime3 );
ChimeSkipMinutes := Minutes;
end if;
end if;
end if;
GetInput( DialogTask.InputRec, Response => Erratic );
if DialogTask.InputRec.InputType = NullInput then
IdleTime := LoopTime - IdleMark;
if IdleTime > 30.0 then -- 30 seconds of null activity?
IdleCommon (IdleTime);
IdleOS( IdleTime );
IdleUserIO( IdleTime );
IdleControls( IdleTime );
IdleWindows( IdleTime );
end if;
if Window( CurrentWindow ).Timeout > 0.0 then
if IdleTime > Window( CurrentWindow ).Timeout then
SessionLog ("DoDialog: Time out after"
& Duration'Image (Window (CurrentWindow).Timeout)
& " second(s).");
UnhilightControl( Table.Control( CurrentControl ) );
Table.current := Window( CurrentWindow ).TimeoutControl;
HilightControl( Table.Control( CurrentControl ) );
SetInputString (" ");
end if;
end if;
else
IdleMark := LoopTime; -- return secs
end if;
--
-- Intercept Dialog Input
--
if DialogTask.InputRec.InputType = KeyInput then
case DialogTask.InputRec.Key is
when TabKey => UnhilightControl( Table.Control( CurrentControl ) );
NextControl;
HilightControl( Table.Control( CurrentControl ) );
when BackKey => UnhilightControl( Table.Control( CurrentControl ) );
BackControl;
HilightControl( Table.Control( CurrentControl ) );
when HelpKey => ShowAccessoriesWindow;
when CopyKey => LoadClipboard;
if Clipboard.all.DataType = ListData
and then Clipboard.all.L.Length > 1 then
if Window( CurrentWindow ).HasInfoBar then
Window( CurrentWindow ).InfoText := To_Unbounded_String
("Coped" & Count_Type'Image (Clipboard.all.L.Length) & " lines");
DrawInfo( CurrentWIndow );
end if;
end if;
when PasteKey => PasteClipboard;
DrawControls;
HilightControl( Table.Control( CurrentControl ) );
if Clipboard.all.DataType = ListData
and then Clipboard.all.L.Length > 1 then
if Window( CurrentWindow ).HasInfoBar then
Window( CurrentWindow ).InfoText := To_Unbounded_String
( "Pasted" & Count_Type'Image (Clipboard.all.L.Length) & " lines" );
DrawInfo( CurrentWIndow );
end if;
end if;
if Table.Control( CurrentControl ).mine then
AdjustMyScrollBars;
end if;
when RedrawKey => RefreshDesktop;
HilightControl( Table.Control( CurrentControl ) );
SessionLog( "DoDialog: User refreshed screen" );
when MarkKey =>
declare
cp : AControlPtr renames Table.Control( CurrentControl ).ptr;
begin
if Table.Control( CurrentControl ).ptr.all in aStaticList then
if GetCurrent( AStaticList( cp.all ) ) =
GetMark( AStaticList( cp.all ) ) then
SetMark( AStaticList( cp.all ), -1 );
else
SetMark( AStaticList( cp.all ),
GetCurrent( AStaticList( cp.all ) ) );
end if;
Draw( AStaticList( cp.all ) );
elsif Table.Control( CurrentControl ).ptr.all in aRadioList then
if GetCurrent( ARadioList( cp.all ) ) =
GetMark( ARadioList( cp.all ) ) then
SetMark( ARadioList( cp.all ), -1 );
else
SetMark( ARadioList( cp.all ),
GetCurrent( ARadioList( cp.all ) ) );
end if;
Draw( ARadioList( cp.all ) );
elsif Table.Control( CurrentControl ).ptr.all in anEditList then
if GetCurrent( AnEditList( cp.all ) ) =
GetMark( AnEditList( cp.all ) ) then
SetMark( AnEditList( cp.all ), -1 );
else
SetMark( AnEditList( cp.all ),
GetCurrent( AnEditList( cp.all ) ) );
end if;
Draw( AnEditList( cp.all ) );
elsif Table.Control( CurrentControl ).ptr.all in aTreeList then
if GetCurrent( ATreeList( cp.all ) ) =
GetMark( ATreeList( cp.all ) ) then
SetMark( ATreeList( cp.all ), -1 );
else
SetMark( ATreeList( cp.all ),
GetCurrent( ATreeList( cp.all ) ) );
end if;
Draw( ATreeList( cp.all ) );
elsif Table.Control( CurrentControl ).ptr.all in aSourceEditList then
if GetCurrent( ASourceEditList( cp.all ) ) =
GetMark( ASourceEditList( cp.all ) ) then
SetMark( ASourceEditList( cp.all ), -1 );
else
SetMark( ASourceEditList( cp.all ),
GetCurrent( ASourceEditList( cp.all ) ) );
end if;
Draw( ASourceEditList( cp.all ) );
end if;
end;
when others =>
-- ClearKey => LoadClipboard first, then process normally
-- by allowing control to do the clearing
if DialogTask.InputRec.Key = ClearKey then
LoadClipboard;
if Clipboard.all.DataType = ListData and then Clipboard.all.L.Length > 1 then
if Window( CurrentWindow ).HasInfoBar then
Window( CurrentWindow ).InfoText := To_Unbounded_String( "Cut" & Count_Type'Image (Clipboard.all.L.Length) & " lines" );
DrawInfo( CurrentWIndow );
end if;
end if;
if Table.Control( CurrentControl ).mine then
AdjustMyScrollBars;
end if;
end if;
if HearInCB /= null then
HearInCB.all( DialogTask );
end if;
--
-- Treat alt keypresses as a request for hot key scan
--
if character'pos( DialogTask.InputRec.Key ) >= 128 then
-- strip high bit leaving the key that was alt'ed
DialogTask.InputRec.Key := character'val(
character'pos( DialogTask.InputRec.Key ) - 128 );
-- do a hot key scan
DialogTask.Action := ScanNext;
else
--
-- Pass Other Input Keys to the Active Control
--
cp := Table.control( CurrentControl ).ptr;
Hear( cp.all, DialogTask.InputRec, DialogTask.Action );
if HearOutCB /= null then
HearOutCB.all( DialogTask );
end if;
end if;
if DialogTask.Action = FixFamily then
FixRadioFamily( CurrentControl );
DialogTask.Action := None; -- do before drawing
end if;
Draw( Table.control( CurrentControl ).ptr.all );
--HilightControl( Table.Control( CurrentControl));
RevealNow;
if DoStandardActions then
exit; -- exit if necessary
end if;
end case;
elsif DialogTask.InputRec.InputType = ButtonDownInput then
null; -- not supported
elsif DialogTask.InputRec.InputType = MoveInput then
-- apparently not yet working on ncurses
if FindClickedControl( DialogTask ) then
if GetStatus( Table.Control( CurrentControl).ptr.all ) /= off
and HasInfo( Table.Control( CurrentControl).ptr.all ) then
SetInfoText(
GetInfo( Table.Control( CurrentControl).ptr.all ) );
end if;
end if;
elsif DialogTask.InputRec.InputType = ButtonUpInput then
if FindClickedControl( DialogTask ) then
cp := Table.control( CurrentControl ).ptr;
if HearInCB /= null then
HearInCB.all( DialogTask );
end if;
Hear( cp.all, DialogTask.InputRec, DialogTask.Action );
if HearOutCB /= null then
HearOutCB.all( DialogTask );
end if;
if DialogTask.Action = FixFamily then
FixRadioFamily( CurrentControl );
DialogTask.Action := None; -- do before drawing
end if;
Draw( Table.control( CurrentControl ).ptr.all );
--HilightControl( Table.Control( CurrentControl));
RevealNow;
if DoStandardActions then
exit; -- exit if necessary
end if;
else
if HearInCB /= null then
HearInCB.all( DialogTask );
end if;
-- No HearOut since nothing actually clicked on
SessionLog( "DoDialog: clicked in window background" );
end if; -- clicked in an active control
end if; -- Key Input
end loop;
exception when others => DrawErrLn;
DrawErr( "DoDialog RT exception" );
raise;
end DoDialog;
--- Windows
procedure EraseWindow is
-- Erase a window
w : AWindow renames Window( CurrentWindow );
begin
NoError;
WaitToReveal;
EraseRect( w.Content );
MoveToGlobal( w.Content.Left, w.Content.Top );
Reveal;
exception when others =>
DrawErrLn;
DrawErr( "EraseWindow RT exception" );
raise;
end EraseWindow;
procedure EraseWindow( id : AWindowNumber ) is
-- Erase a window
w : AWindow renames Window( id );
begin
NoError;
WaitToReveal;
EraseRect( w.Content );
MoveToGlobal( w.Content.Left, w.Content.Top );
Reveal;
exception when others =>
DrawErrLn;
DrawErr( "EraseWindow RT exception" );
raise;
end EraseWindow;
procedure DrawWindow( id : AWindowNumber;
Redraw : RedrawingAmounts := none ) is
-- Draw a window
First : integer; -- x coordinate of title
Width : integer; -- width of the title
Frame : ARect renames Window( id ).frame;
OldColour : APenColourName;
OldStyle : ATextStyle;
begin
NoError;
WaitToReveal;
OldColour := GetPenColour;
OldStyle := GetTextStyle;
SetPenColour( outline );
SetTextStyle( Normal );
if Redraw = Whole then
EraseWindow( id );
InvalidateControls( id );
end if;
if Window( id ).style = Frameless then
CDesktop( DisplayInfo.H_Res-1, DisplayInfo.V_Res-1);
elsif Window( id ).HasFrame then
if DisplayInfo.C_Res > 0 then
if Window( id ).Style = Status then
if IsBlueBackground then
SetPenColour( White );
else
SetPenColour( Green ); -- green hard to see on blue
end if;
elsif Window( id ).Style = Warning then
SetPenColour( yellow );
elsif Window( id ).Style = Danger then
SetPenColour( red );
elsif Window( id ).FrameColour = outline then
if IsBlueBackground then
SetPenColour( White );
else
SetPenColour( Green ); -- green hard to see on blue
end if;
else
SetPenColour( Window( id ).FrameColour );
end if;
end if;
if Redraw /= none then -- redraw frame/whole then...
FrameRect3D( Frame );
SetPenColour( outline );
width := Length (Window( id ).title);
first := Frame.left + ( (Frame.right - Frame.left - width) / 2 );
if first <= Frame.left then
first := Frame.left + 1;
end if;
if width > Frame.right - Frame.left - 2 then
width := Frame.right - Frame.left - 2;
end if;
MoveToGlobal( first, Frame.top );
Draw( To_String (Window( id ).Title), width, true );
MoveToGlobal( Window(id).content.left, Window(id).content.top );
end if; -- redraw frame/whole
end if;
DrawControls( id );
DrawInfo( id );
SetPenColour( OldColour );
SetTextStyle( OldStyle );
if Window( id ).DrawCB /= null then
Window( id ).DrawCB.all; -- execute call back (if any)
end if;
Reveal;
exception when others => DrawErrLn;
DrawErr("DrawWindow(2) RT error");
raise;
end DrawWindow;
procedure DrawWindow( Redraw : RedrawingAmounts := none ) is
begin
DrawWindow( CurrentWindow, Redraw );
exception when others => DrawErrLn;
DrawErr("DrawWindow(1) RT error");
raise;
end DrawWindow;
-- Reset Window
procedure ResetWindow( id : AWindowNumber ) is
begin
MoveToGlobal( Window(id).frame.left, Window(id).frame.top );
SetTextStyle( Normal );
SetPenColour( Black );
SetTextColour( Black );
exception when others =>
DrawErrLn;
DrawErr( "ResetWindow RT exception" );
raise;
end ResetWindow;
procedure ResetWindow is
begin
ResetWindow( CurrentWindow );
end ResetWindow;
procedure RefreshDesktop is
Amount : array( 1..AWindowNumber'last ) of RedrawingAmounts;
First2Redo : AWindowNumber;
begin
NoError;
-- Identify windows to be redrawn
First2Redo := NextWindow - 1; -- start at top window
Amount( First2Redo ) := whole; -- always redraw top window
for ThisWindow in reverse 1..NextWindow-2 loop
Amount( ThisWindow ) := none;
-- redraw window if not buried under other windows
for OverWindow in ThisWindow+1..NextWindow-1 loop
-- if overwindow doesn't completely obscure this window
-- then some drawing will need to be done
if not InsideRect( Inner => Window( ThisWindow ).frame,
Outer => Window( OverWindow ).frame ) then
if InsideRect( Inner => Window( ThisWindow ).content,
Outer => Window( OverWindow ).frame ) then
-- contents inside covering window? no need to redraw
-- any more than the exposed frame
Amount( ThisWindow ) := frame;
else
-- contents not entirely inside the covering window?
-- more than frame obscured->redraw whole window
Amount( ThisWindow ) := whole;
end if;
First2Redo := ThisWindow;
end if;
end loop;
end loop;
Amount( CurrentWindow ) := whole;
-- always (actually, this is always the top window in the current
-- version of this package and we've already set the top window
-- to redraw)
-- Redraw visible windows
WaitToReveal;
ResetUserIO;
for ThisWindow in First2Redo..NextWindow-1 loop
if Amount( ThisWindow ) /= none then
DrawWindow( id => ThisWindow, Redraw => Amount( ThisWindow ) );
end if;
end loop;
Reveal;
RevealNow; -- just in case application called WaitToReveal too many
-- times
exception when others =>
DrawErrLn;
DrawErr( "RefreshDesktop RT exception" );
raise;
end RefreshDesktop;
procedure MoveWindow( id : AWindowNumber; dx, dy : integer ) is
pragma Unreferenced (Id);
-- Move (as if it was dragged by a mouse) to a new location. No part
-- of the window may be moved off the screen. Does not erase or redraw
-- the window.
ct : AControlTable renames Window( CurrentWindow ).table;
begin
NoError;
if Window( CurrentWindow ).HasFrame then
if not insideRect( OffsetRect( Window( CurrentWindow ).Frame, dx, dy ), Window( 1 ).Content ) then
Error( TT_ParamError );
return;
end if;
elsif not insideRect( OffsetRect( Window( CurrentWindow ).Content, dx, dy ), Window( 1 ).Content ) then
Error( TT_ParamError );
return;
end if;
for i in 1..ct.size loop
Move( ct.control(i).ptr.all, dx, dy );
end loop;
if Window( CurrentWindow ).HasFrame then
OffsetRect( Window( CurrentWindow ).frame, dx, dy );
end if;
OffsetRect( Window( CurrentWindow ).content, dx , dy );
if Window( CurrentWindow ).HasInfoBar then
OffsetRect( Window( CurrentWindow ).InfoBar, dx, dy );
end if;
exception when others =>
DrawErrLn;
DrawErr( "MoveWindow RT exception" );
raise;
end MoveWindow;
procedure MoveWindow( dx, dy : integer ) is
begin
MoveWindow( CurrentWindow, dx, dy );
end MoveWindow;
procedure ScrollWindow( id : AWindowNumber; dx, dy : integer ) is
-- Scroll (move all the controls) in a window. Fixed controls are
-- not moved. Does not erase or redraw the window.
ct : AControlTable renames Window( CurrentWindow ).table;
begin
NoError;
for i in 1..ct.size loop
if CanScroll( ct.control(i).ptr.all ) then
Move( ct.control(i).ptr.all, dx, dy );
end if;
end loop;
window( id ).xscroll := window( id ).xscroll + dx;
window( id ).yscroll := window( id ).yscroll + dy;
exception when others =>
DrawErrLn;
DrawErr( "ScrollWindow RT exception" );
raise;
end ScrollWindow;
procedure ScrollWindow( dx, dy : integer ) is
begin
ScrollWindow( CurrentWindow, dx, dy );
end ScrollWindow;
function OpenWindow( title : in string ; l, t, r, b : integer;
Style : AWindowStyle := Normal;
HasInfoBar : boolean := false;
CallBack : AWindowDrawingCallBack := null )
return AWindowNumber is
-- Create a new, empty window and draws it. Returns an ID
-- number for the window.
id : AWindowNumber;
begin
NoError;
id := 1;
if NextWindow > 0 then
GetPenPos( Window( CurrentWindow ).SaveX,
Window( CurrentWindow ).SaveY ); -- remember cursor position
id := NextWindow;
CurrentWindow := id;
if NextWindow = AWindowNumber'Last then
NextWindow := 0;
else
NextWindow := NextWindow + 1;
end if;
SetRect( Window( id ).Frame, l, t, r, b );
SetRect( Window( id ).Content, l+1, t+1, r-1, b-1 );
Window( id ).Relative := false;
Window( id ).HasFrame := true;
Window( id ).FrameColour := Outline;
Window( id ).title := To_Unbounded_String (Title);
Window( id ).HasInfoBar := HasInfoBar;
Window( id ).InfoText := Null_Unbounded_String;
Window( id ).Style := Style;
Window( id ).Timeout := -1.0;
Window( id ).Loaded := false;
Window( id ).XScroll := 0;
Window( id ).YScroll := 0;
if HasInfoBar then
SetRect( Window( id ).InfoBar, l+1, b-1, r-1, b-1 );
SetRect( Window( id ).Content, l+1, t+1, r-1, b-2 );
end if;
Window( id ).ParentFile := null_unbounded_string;
InitControlTable( Window( id ).table );
Window( id ).DrawCB := CallBack;
DrawWindow( id, Redraw => whole );
else
Error( TT_WindowExistance );
end if;
return id;
exception when others =>
DrawErr( "OpenWindow RT exception" );
DrawErrLn;
raise;
end OpenWindow;
procedure OpenWindow( title : in string ; l, t, r, b : integer;
Style : AWindowStyle := Normal;
HasInfoBar : boolean := false;
CallBack : AWindowDrawingCallBack := null ) is
DiscardedId : AWindowNumber;
pragma Unreferenced (Discardedid);
begin
DiscardedId := OpenWindow( title, l, t, r, b, Style, HasInfoBar,
CallBack );
end OpenWindow;
procedure SaveWindow( path : string; arch : APathName := "") is
-- save a window to a text file so that it can be loaded later by
-- LoadWindow
-- NOTE: BROKEN RIGHT NOW
f : file_type; -- text file for saving window
cw : AWindow renames Window( CurrentWindow );
estr : EncodedString; -- for writing to text file
procedure SaveWindowDetails is
-- save window info
begin
estr := Null_Unbounded_String;
Encode( estr, To_String (Cw.Title) );
Put_Line( f, To_String( estr ) );
estr := Null_Unbounded_String;
--Encode( estr, cw.HasFrame ); -- this is calculated by window type
Encode( estr, cw.Relative );
Put_Line( f, To_String( estr ) );
estr := Null_Unbounded_String;
Encode( estr, cw.Frame );
Encode( estr, cw.Content );
Encode( estr, cw.HasInfoBar );
if cw.HasInfoBar then
Encode( estr, cw.InfoBar );
end if;
Encode( estr, Integer( AWindowStyle'pos( cw.Style ) ) );
Encode( estr, Integer( cw.Table.size ) );
Put_Line( f, To_String( estr ) );
estr := Null_Unbounded_String;
Encode( estr, To_String (Cw.SoundPath) );
Put_Line( f, To_String( estr ) );
estr := Null_Unbounded_String;
Encode( estr, To_String (Cw.SongPath) );
Put_Line( f, To_String( estr ) );
estr := Null_Unbounded_String;
--Encode( estr, cw.Timeout );
--Encode( estr, Integer( cw.TimeoutControl ) );
Put_Line( f, To_String( estr ) );
estr := Null_Unbounded_String;
Encode( estr, To_String (Cw.ParentFile) );
Put_Line( f, To_String( estr ) );
-- ignore info text
end SaveWindowDetails;
procedure SaveWindowControls is
-- save individual controls in the current window
ctr : AControlTableRecord;
ec : EncodedString;
begin
for i in 1..cw.Table.Size loop
ctr := cw.table.control(i);
estr := Null_Unbounded_String;
estr := Encode( ctr.ptr.all );
Put_line( f, To_String( ec ) );
end loop;
end SaveWindowControls;
begin
NoError;
Open( f, out_file, Expandpath (Path));
SaveWindowDetails;
SaveWindowControls;
if Arch'length > 0 then
Archive (Arch, Path);
Delete (F);
else
Close (F);
end if;
exception
when others =>
if Is_Open (F) then
Close (F);
end if;
DrawErr( "SaveWindow RT exception" );
DrawErrLn;
raise;
end SaveWindow;
procedure LoadWindow( path : string; arch : APathName := "") is
-- Load a window previously saved with SaveWindow.
f : file_type; -- for reading text file
estr : EncodedString; -- encoded information
procedure SetupWindow is
-- read title & frame & open the window
NewTitle : Unbounded_String;
NewFrame : ARect;
Relative : boolean;
begin
Estr := Ada.Text_IO.Unbounded_IO.Get_Line (f);
Decode( estr, NewTitle );
Estr := Ada.Text_IO.Unbounded_IO.Get_Line (f);
Decode( estr, Relative );
Estr := Ada.Text_IO.Unbounded_IO.Get_Line (f);
Decode( estr, NewFrame );
OpenWindow( To_String (NewTitle),
NewFrame.left, NewFrame.top, NewFrame.right, NewFrame.bottom );
Window( CurrentWindow ).Loaded := true;
Window( CurrentWindow ).Relative := Relative;
end SetupWindow;
procedure FillInWindow is
-- fill in window details after the window has been opened
cw : AWindow renames Window( CurrentWindow );
TempInt : integer;
begin
Decode( estr, cw.Content );
Decode( estr, cw.HasInfoBar );
if cw.HasInfoBar then
Decode( estr, cw.InfoBar );
end if;
Decode( estr, Tempint );
cw.Style := AWindowStyle'val( TempInt );
Decode( estr, TempInt );
cw.Table.Size := AControlNumber( TempInt );
Estr := Ada.Text_IO.Unbounded_IO.Get_Line (f);
Decode( estr, cw.SoundPath );
Estr := Ada.Text_IO.Unbounded_IO.Get_Line (f);
Decode( estr, cw.SongPath );
Estr := Ada.Text_IO.Unbounded_IO.Get_Line (f);
--Decode( estr, cw.Timeout );
--Decode( estr, TempInt );
cw.TimeoutControl := AControlNumber( TempInt );
Estr := Ada.Text_IO.Unbounded_IO.Get_Line (f);
Decode( estr, cw.ParentFile );
-- ignore info text
end FillInWindow;
procedure FillInControls is
-- allocate, initialize and setup the window's controls
ct : AControlTable renames Window( CurrentWindow ).Table;
--TempInt : integer;
begin
for i in 1..ct.Size loop
Estr := Ada.Text_IO.Unbounded_IO.Get_Line (f);
--Decode( estr, ct.control(i).ptr ); -- this is wrong
raise program_error; -- so don't do it
end loop;
end FillInControls;
begin
NoError;
if Arch'Length > 0 then
Extract( path, arch );
end if;
if LastError = TT_OK then
Open( f, in_file, path );
SetupWindow;
FillInWindow;
FillInControls;
DrawWindow( CurrentWindow, Redraw => Whole );
Close( f );
end if;
exception when others =>
DrawErr( "LoadWindow RT exception" );
DrawErrLn;
raise;
end LoadWindow;
procedure CloseWindow is
-- Delete a window and its controls. Entire desktop is redrawn.
procedure ClearControls is
ct : AControlTable renames Window( CurrentWindow ).table;
begin
for i in 1..ct.size loop
--Finalize will do this: was Clear( ct.control(i).ptr.all );
if Window( CurrentWindow ).Loaded then
Free( ct.control(i).ptr );
end if;
end loop;
end ClearControls;
begin
NoError;
if NextWindow > 2 then -- never close main window
ClearControls;
--EraseRect( Window( CurrentWindow ).Frame ); -- necessary?
if NextWindow = 0 then
NextWindow := AWindowNumber'last;
else
NextWindow := NextWindow - 1;
end if;
if CurrentWindow = NextWindow then -- if top window
CurrentWindow := CurrentWindow - 1;
end if;
RefreshDesktop;
MoveToGlobal( Window( CurrentWindow).SaveX,
Window( CurrentWindow).SaveY );
else
Error( TT_WindowExistance );
end if;
exception when others =>
DrawErr( "CloseWindow RT exception" );
DrawErrLn;
raise;
end CloseWindow;
---> Standard Alerts
procedure NoteAlert( message : string ) is
-- Show an informational message in a window with an OK button.
DT : ADialogTaskRecord;
OK : aliased ASimpleButton;
text : aliased AStaticLine;
pragma Unreferenced (Ok, Text);
CenterX : integer;
begin
NoError;
CenterX := Window( 1 ).content.right / 2;
OpenWindow( s_Note, CenterX-30, 10, CenterX+30, 16, Status );
SharedButton( Shared.Button1, 27, 4, 32, 4, 'o', s_OK );
SharedLine( Shared.Text, 1, 2, 58, 2, message );
Beep( Status );
DoDialog( DT );
pragma Unreferenced (Dt);
CloseWindow;
exception when others =>
DrawErr( "NoteAlert NT exception" );
DrawErrLn;
raise;
end NoteAlert;
procedure CautionAlert( message : string ) is
-- Show a warning message in a window with an OK button.
DT : ADialogTaskRecord;
CenterX : integer;
begin
NoError;
CenterX := Window( 1 ).content.right / 2;
OpenWindow( s_Caution, CenterX-30, 10, CenterX+30, 16, Warning );
SharedButton( Shared.Button1, 27, 4, 32, 4, 'o', s_OK );
SharedLine( Shared.Text, 1, 2, 58, 2, message );
SetStyle( AStaticLine( Shared.Text.all ), Status );
SessionLog( s_Caution & ": " & message );
Beep( Warning );
DoDialog( DT );
pragma Unreferenced (Dt);
CloseWindow;
exception when others =>
DrawErrLn;
DrawErr( "CautionAlert RT exception" );
raise;
end CautionAlert;
procedure StopAlert( message : string ) is
-- Show an error message in a window with an OK button.
DT : ADialogTaskRecord;
CenterX : integer;
begin
NoError;
CenterX := Window( 1 ).content.right / 2;
OpenWindow( s_Warning, CenterX-30, 10, CenterX+30, 16, Danger );
SharedButton( Shared.Button1, 27, 4, 32, 4, 'o', s_OK );
SharedLine( Shared.Text, 1, 2, 58, 2, message );
SetStyle( AStaticLine( Shared.text.all ), Failure );
SessionLog( s_Warning & ": " & message );
Beep( Warning );
DoDialog( DT );
pragma Unreferenced (Dt);
CloseWindow;
exception when others =>
DrawErrLn;
DrawErr( "StopAlert RT exception" );
raise;
end StopAlert;
function YesAlert( message : string; kind : BeepStyles ) return boolean is
DT : ADialogTaskRecord;
CenterX : integer;
-- Ask the user a yes/no question, default "yes", in a caution window.
begin
NoError;
CenterX := Window( 1 ).content.right / 2;
OpenWindow( "", CenterX-30, 10 , CenterX+30, 16 );
SharedButton( Shared.Button1, 22, 4, 28, 4, 'y', s_yes );
SharedButton( Shared.Button2, 32, 4, 37, 4, 'n', s_no );
SharedLine( Shared.Text, 1, 2, 58, 2, message );
if kind = Failure then
SetStyle( AStaticLine( Shared.Text.all ), Failure );
elsif kind = Warning then
SetStyle( AStaticLine( Shared.Text.all ), Warning );
end if;
Beep( kind );
DoDialog( DT );
CloseWindow;
return DT.control = 1;
exception when others =>
DrawErrLn;
DrawErr( "YesAlert RT exception" );
raise;
end YesAlert;
function NoAlert( message : string; kind : BeepStyles ) return boolean is
DT : ADialogTaskRecord;
CenterX : integer;
-- Ask the user a yes/no question, default "no", in a caution window.
begin
NoError;
CenterX := Window( 1 ).content.right / 2;
OpenWindow( "", CenterX-30, 10, CenterX+30, 16, Warning );
SharedButton( Shared.Button1, 22, 4, 27, 4, 'n', s_no );
SharedButton( Shared.Button2, 32, 4, 38, 4, 'y', s_yes );
SharedLine( Shared.Text, 1, 2, 58, 2, message );
if kind = Failure then
SetStyle( AStaticLine( Shared.Text.all ), Failure );
elsif kind = Warning then
SetStyle( AStaticLine( Shared.Text.all ), Warning );
end if;
Beep( kind );
DoDialog( DT );
CloseWindow;
return DT.control = 1;
exception when others =>
DrawErrLn;
DrawErr( "NoAlert RT exception" );
raise;
end NoAlert;
function CancelAlert( message, OKCaption : string; kind : BeepStyles )
return boolean is
DT : ADialogTaskRecord;
CenterX : integer;
-- Ask the user a yes/cancel question, default "cancel", in the kind
-- of window indicated by "kind".
begin
NoError;
CenterX := Window( 1 ).content.right / 2;
OpenWindow( "", CenterX-30, 10, CenterX+30, 16 );
SharedButton( Shared.Button1, 19, 4, 27, 4, 'o', OKCaption);
SharedButton( Shared.Button2, 32, 4, 41, 4, 'c', s_cancel );
SharedLine( Shared.Text, 1, 2, 58, 2, message );
if kind = Failure then
SetStyle( AStaticLine( Shared.Text.all ), Failure );
elsif kind = Warning then
SetStyle( AStaticLine( Shared.Text.all ), Warning );
end if;
Beep( kind );
DoDialog( DT );
CloseWindow;
return DT.control = 1;
exception when others =>
DrawErrLn;
DrawErr( "CancelAlert RT exception" );
raise;
end CancelAlert;
function YesCancelAlert( message : string; kind : BeepStyles )
return AControlNumber is
DT : ADialogTaskRecord;
CenterX : integer;
-- Ask the user a yes/no/cancel question, default "cancel", in the kind
-- of window indicated by "kind".
begin
NoError;
CenterX := Window( 1 ).content.right / 2;
OpenWindow( "", CenterX-30, 10, CenterX+30, 16 );
SharedButton( Shared.Button1, 15, 4, 21, 4, 'y', s_yes );
SharedButton( Shared.Button2, 27, 4, 32, 4, 'n', s_no );
SharedButton( Shared.Button3, 37, 4, 47, 4, 'c', s_cancel );
SharedLine( Shared.Text, 1, 2, 58, 2, message );
if kind = Failure then
SetStyle( AStaticLine( Shared.Text.all ), Failure );
elsif kind = Warning then
SetStyle( AStaticLine( Shared.Text.all ), Warning );
end if;
Beep( kind );
DoDialog( DT );
CloseWindow;
return DT.control;
exception when others =>
DrawErrLn;
DrawErr( "YesCancelAlert RT exception" );
raise;
end YesCancelAlert;
procedure ValidateFilename( desc : in out AValidateFilenameRec ) is
-- Check and correct a filename
OriginalFilename : constant String := To_String (desc.Filename); -- filename originally to be validated
ValidFilename : Unbounded_String; -- corrected filename from os.ValidateFilename
ErrMsg : unbounded_string; -- error message returned from os.VF
begin
loop
ValidateFilename (UNIXFS, To_String (Desc.Filename), ValidFilename, ErrMsg );
exit when length( ErrMsg ) = 0;
if YesAlert( "Bad filename since " & To_String( ErrMsg ) &
"; fix it?", warning ) then
desc.filename := ValidFilename;
else
desc.replied := false;
exit;
end if;
end loop;
if not desc.replied then
desc.filename := To_Unbounded_String (OriginalFilename);
end if;
end ValidateFilename;
procedure SelectOpenFile( sofrec : in out ASelectOpenFileRec ) is
FileList: StrList.vector; -- list of files in current directory
BoolList: BooleanList.Vector; -- for selection
ListBox : AControlPtr; --aliased ARadioList; -- for lists
OpenButton : AControlPtr; --aliased ASimpleButton;
CloseButton : AControlPtr; --aliased ASimpleButton;
CancelButton : AControlPtr; --aliased ASimpleButton;
AcceptButton : AControlPtr; --aliased ASimpleButton;
HomesButton : AControlPtr; --aliased ASimpleButton;
PathLine : AControlPtr; --aliased AStaticLine;
PromptLine : AControlPtr; --aliased AStaticLine;
--ListBar : aliased AScrollBar;
Hit : AControlNumber; -- window control hit (DoDialog)
DT : ADialogTaskRecord;
Item : Natural; -- file/home selected by user
ShowingHomes : boolean; -- true if showing homes, not files
OriginalPath : constant String := Ada.Directories.Current_Directory;
procedure GetDirectoryCheckList is
begin
Filelist.Clear;
Boollist.Clear;
GetDirectory (FileList, Ada.Directories.Current_Directory);
for i in 1 .. FileList.Length loop
BoolList.Append (false );
end loop;
SetList( ARadioList( ListBox.all ), FileList );
SetChecks( ARadioList( ListBox.all ), BoolList );
end GetDirectoryCheckList;
procedure GetHomes is
-- get list of drives/homes/etc & install in ListBox
-- FileList and BoolList should be emptied first
File : File_Type;
begin
-- Should be modified with LANG=C
-- And tested.
Boollist.Clear;
Create (File, In_File, ""); -- temp file
UNIX( "df | cut -c57-80 > " & Name (File));
Loadlist (File, Filelist);
Delete (File);
FileList.Delete_Last;
FileList.Append ("Home");
for i in 1 .. Filelist.Length loop
BoolList.Append (false );
end loop;
SetList( ARadioList( ListBox.all ), FileList );
SetChecks( ARadioList( ListBox.all ), BoolList );
exception
when others =>
if Is_Open (File) then
Delete (File);
end if;
end GetHomes;
procedure HandleSetPathErrors is
begin
if LastError = TT_SystemError then
StopAlert( "You can't access that folder" );
elsif LastError /= 0 then
StopAlert( "Can't move to that folder" );
end if;
end HandleSetPathErrors;
begin
NoError;
OpenWindow ("", 5, 4, 60, 17 );
ListBox := new ARadioList;
Init( ARadioList( ListBox.all ), 1, 4, 40, 12 );
AddControl( ListBox, IsGlobal => false );
OpenButton := new ASimpleButton;
Init( ASimpleButton( OpenButton.all ), 42, 4, 51, 4, 'o' ); -- 2 = open
SetText( ASimpleButton( OpenButton.all ), "Open");
AddControl( OpenButton, IsGlobal => false );
AcceptButton := new ASimpleButton;
Init( ASimpleButton( AcceptButton.all ), 42, 5, 51, 5, 'a' );
SetText( ASimpleButton( AcceptButton.all ), "Accept"); -- 3 = accept
AddControl( AcceptButton, IsGlobal => false );
if not sofrec.Direct then
SetStatus( AcceptButton.all, Off );
end if;
CloseButton := new ASimpleButton;
Init( ASimpleButton( CloseButton.all ), 42, 6, 51, 6, 'c' ); -- 4 = close
SetText( ASimpleButton( CloseButton.all ), "Close");
AddControl( CloseButton, IsGlobal => false );
HomesButton := new ASimpleButton;
Init( ASimpleButton( HomesButton.all ), 42, 7, 51, 7, 'h' ); -- 5 = homes
SetText( ASimpleButton( HomesButton.all ), "Homes");
AddControl( HomesButton, IsGlobal => false );
CancelButton := new ASimpleButton;
Init( ASimpleButton( CancelButton.all ), 42, 9, 51, 9, 'l' );
SetText( ASimpleButton( CancelButton.all ), s_cancel );
AddControl( CancelButton, IsGlobal => false );
PromptLine := new AStaticLine;
Init( AStaticLine( PromptLine.all ), 1, 1, 51, 1 );
SetText( AStaticLine( PromptLine.all ), To_String (Sofrec.Prompt));
SetStyle( AStaticLine( PromptLine.all ), Heading );
AddControl( PromptLine, IsGlobal => false );
PathLine := new AStaticLine;
Init( AStaticLine( PathLine.all ), 1, 3, 51, 3 );
SetText( AStaticLine( PathLine.all ), "Path?");
AddControl( PathLine, IsGlobal => false );
--Init( ListBar, 26, 4, 26, 10 );
--AddControl( ScrollBar, ListBar'access, IsGlobal => false );
-- setup
ShowingHomes := false;
GetDirectoryCheckList;
--SetMax( ListBar, filelist.length);
--SetThumb( ListBar, 1 );
loop
if ShowingHomes then
SetText( AStaticLine( PathLine.all ), "Homes:");
else
SetText( AStaticLine( PathLine.all ), Ada.Directories.Current_Directory);
end if;
DoDialog( DT );
hit := DT.control; -- do dialog
item := GetCheck( ARadioList( ListBox.all ) ); -- get list item
sofrec.Fname := To_Unbounded_String (FileList.Element (Item)); -- extract it
Filelist.Clear; -- blow away lists
BooleanList.Clear( BoolList );
case hit is
when 2 => -- open
if ShowingHomes then
ShowingHomes := false;
SetStatus( CloseButton.all, Standby );
if item = 1 then -- home directory
sofrec.fname := To_Unbounded_String (ExpandPath ("$HOME"));
end if;
end if;
if IsDirectory (To_String (Sofrec.Fname)) then
SetPath (To_String (Sofrec.Fname));
HandleSetPathErrors;
GetDirectoryCheckList;
else
sofrec.path := To_Unbounded_String (Ada.Directories.Current_Directory);
sofrec.replied := true;
exit;
end if;
when 3 => -- accept
sofrec.path := To_Unbounded_String (Ada.Directories.Current_Directory);
sofrec.replied := true;
exit;
when 4 => -- close
Ada.Directories.Set_Directory ("..");
HandleSetPathErrors;
GetDirectoryCheckList;
when 5 => -- homes
GetHomes;
ShowingHomes := true;
SetStatus( CloseButton.all, Off );
when 6 => -- cancel
sofrec.replied := false;
Ada.Directories.Set_Directory (OriginalPath);
exit;
when others =>
StopAlert( "SelectOpenFile: Unknown Window Control" );
end case;
end loop;
CloseWindow;
exception when others =>
DrawErrLn;
DrawErr( "SelectOpenFile RT exception" );
raise;
end SelectOpenFile;
procedure SelectSaveFile( ssfrec : in out ASelectSaveFileRec ) is
FileList: StrList.Vector; -- list of files in current directory
BoolList: BooleanList.Vector; -- for selection
ListBox : AControlPtr; --aliased ARadioList; -- for lists
NameLine : AControlPtr; --aliased AnEditLine; -- file name
SaveButton : AControlPtr; --aliased ASimpleButton;
OpenButton : AControlPtr; --aliased ASimpleButton;
CloseButton : AControlPtr; --aliased ASimpleButton;
CancelButton : AControlPtr; --aliased ASimpleButton;
HomesButton : AControlPtr; --aliased ASimpleButton;
PathLine : AControlPtr; --aliased AStaticLine;
PromptLine : AControlPtr; --aliased AStaticLine;
--ListBar : aliased AScrollBar;
Hit : AControlNumber; -- window control hit (DoDialog)
DT : ADialogTaskRecord;
Item : Natural; -- file/home selected by user
ShowingHomes : boolean; -- true if showing homes, not files
OriginalPath : constant String := Ada.Directories.Current_Directory;
procedure GetDirectoryCheckList is
begin
Filelist.Clear;
BoolList.Clear;
GetDirectory (FileList, Ada.Directories.Current_Directory);
for i in 1 .. filelist.length loop
BoolList.Append (false );
end loop;
SetList( ARadioList( ListBox.all ), FileList );
SetChecks( ARadioList( ListBox.all ), BoolList );
end GetDirectoryCheckList;
procedure GetHomes is
-- get list of drives/homes/etc & install in ListBox
-- FileList and BoolList should be emptied first
File : File_Type;
begin
-- Should be modified with LANG=C
-- And tested.
Boollist.Clear;
Create (File, In_File, ""); -- temp file
UNIX( "df | cut -c57-80 > " & Name (File));
Loadlist (File, Filelist);
Delete (File);
FileList.Delete_Last;
FileList.Append ("Home");
for i in 1 .. Filelist.Length loop
BoolList.Append (false );
end loop;
SetList( ARadioList( ListBox.all ), FileList );
SetChecks( ARadioList( ListBox.all ), BoolList );
exception
when others =>
if Is_Open (File) then
Delete (File);
end if;
end GetHomes;
begin
NoError;
OpenWindow ("", 5, 4, 60, 18 );
ListBox := new ARadioList;
Init( ARadioList( ListBox.all ), 1, 4, 40, 12 );
AddControl( ListBox, IsGlobal => false );
NameLine := new AnEditLine;
Init( AnEditLine( NameLine.all ), 1, 13, 51, 13 );
SetText( AnEditLine(NameLine.all), To_String (Ssfrec.Default));
AddControl( NameLine, IsGlobal => false );
OpenButton := new ASimpleButton;
Init( ASimpleButton( OpenButton.all ), 42, 4, 51, 4, 'o' ); -- 3 = open
SetText( ASimpleButton( OpenButton.all ), "Open");
AddControl( OpenButton, IsGlobal => false );
SaveButton := new ASimpleButton;
Init( ASimpleButton( SaveButton.all ), 42, 5, 51, 5, 's' ); -- 4 = save
SetText( ASimpleButton( SaveButton.all ), "Save");
AddControl( SaveButton, IsGlobal => false );
CloseButton := new ASimpleButton;
Init( ASimpleButton( CloseButton.all ), 42, 6, 51, 6, 'c' ); -- 5 = close
SetText( ASimpleButton( CloseButton.all ), "Close");
AddControl( CloseButton, IsGlobal => false );
HomesButton := new ASimpleButton;
Init( ASimpleButton( HomesButton.all ), 42, 7, 51, 7, 'h' ); -- 6 = homes
SetText( ASimpleButton( HomesButton.all ), "Homes");
AddControl( HomesButton, IsGlobal => false );
CancelButton := new ASimpleButton;
Init( ASimpleButton( CancelButton.all ), 42, 9, 51, 9, s_cancel_Hot );
SetText( ASimpleButton( CancelButton.all ), s_cancel );
AddControl( CancelButton, IsGlobal => false );
PromptLine := new AStaticLine;
Init( AStaticLine( PromptLine.all ), 1, 1, 51, 1 );
SetText( AStaticLine( PromptLine.all ), To_String (Ssfrec.Prompt));
SetStyle( AStaticLine( PromptLine.all ), Heading );
AddControl( PromptLine, IsGlobal => false );
PathLine := new AStaticLine;
Init( AStaticLine( PathLine.all ), 1, 3, 51, 3 );
SetText( AStaticLine( PathLine.all ), "Path?");
AddControl( PathLine, IsGlobal => false );
--Init( ListBar, 26, 4, 26, 10 );
--AddControl( ScrollBar, ListBar, IsGlobal => false );
-- setup
ShowingHomes := false;
GetDirectoryCheckList;
--SetMax( ListBar, filelist.length);
--SetThumb( ListBar, 1 );
loop
if ShowingHomes then
SetText( AStaticLine( PathLine.all ), "Homes:");
else
SetText( AStaticLIne( PathLine.all ), Ada.Directories.Current_Directory);
end if;
DoDialog( DT );
hit := DT.control; -- do dialog
item := GetCheck( ARadioList( ListBox.all ) ); -- get list item
ssfrec.Fname := To_Unbounded_String (FileList.Element (Item)); -- extract it
Filelist.Clear; -- blow away lists
BooleanList.Clear( BoolList );
case hit is
when 3 => -- open
if ShowingHomes then
ShowingHomes := false;
SetStatus( CloseButton.all, Standby );
SetStatus( SaveButton.all, Standby );
DrawControls;
if item = 1 then -- home directory
ssfrec.fname := To_Unbounded_String (ExpandPath ("$HOME"));
end if;
end if;
--TmpStr := Append( To255("test -d "), To_String( ssfrec.fname ));
--if UNIX( TmpStr ) then --directory?
if Isdirectory (To_String (Ssfrec.Fname)) then
begin
SetPath (ExpandPath (To_String (Ssfrec.Fname)));
exception
when Ada.IO_Exceptions.Name_Error | Ada.IO_Exceptions.Use_Error =>
StopAlert( "You can't access that folder" );
end;
GetDirectoryCheckList;
else
StopAlert( "This isn't a folder" );
end if;
when 4 => -- save
ssfrec.path := To_Unbounded_String (Ada.Directories.Current_Directory);
ssfrec.fname := To_Unbounded_String (GetText( AnEditLine( NameLine.all ) ));
if ssfrec.fname = Null_Unbounded_String then
CautionAlert( "What's the file name?" );
else
if NotEmpty (To_String (Ssfrec.Fname)) then
if not NoAlert( "Overwrite this file? ", Warning ) then
ssfrec.replied := true;
exit;
end if;
else
ssfrec.replied := true;
exit;
end if;
end if;
GetDirectoryCheckList;
when 5 => -- close
begin
Ada.Directories.Set_Directory ("..");
exception
when Ada.IO_Exceptions.Name_Error | Ada.IO_Exceptions.Use_Error =>
StopAlert( "You can't access that folder" );
end;
GetDirectoryCheckList;
when 6 => -- homes
GetHomes;
ShowingHomes := true;
SetStatus( ASimpleButton( CloseButton.all ), Off );
SetStatus( ASimpleButton( SaveButton.all ), Off );
when 7 => -- cancel
ssfrec.replied := false;
Ada.Directories.Set_Directory (OriginalPath);
exit;
when others =>
StopAlert( "SelectSaveFile: Unknown Window Control" );
end case;
end loop;
CloseWindow;
exception when others =>
DrawErrLn;
DrawErr( "SelectSaveFile RT exception" );
raise;
end SelectSaveFile;
procedure ShowListInfo( title : string;
t : integer;
lst : in out Strlist.Vector;
last : boolean := false;
longLines : LongLineHandling := none ) is
-- display a list for the user to view; list isn't cleared. List is full-
-- screen except with the top of the window at t.
begin
ShowListInfo( title, 0, t, DisplayInfo.H_Res-1, DisplayInfo.V_Res-1, lst, last, none );
end ShowListInfo;
procedure ShowListInfo( title : string;
l, t, r, b : integer;
lst : in out Strlist.Vector;
last : boolean := false;
longLines : LongLineHandling := none ) is
-- display a list for the user to view; list isn't cleared
TheList : aliased AStaticList;
TheScrollBar : aliased AScrollBar;
OKButton : aliased ASimpleButton;
DT : ADialogTaskRecord;
CenterX : integer;
begin
OpenWindow( title, l, t, r, b, Normal, false );
CenterX := Window( currentWindow ).content.right / 2;
Init( TheList, 1, 1, r-3, b-3 );
SetList( TheList, lst );
AddControl( TheList'unchecked_access, IsGlobal => False );
if longLines = wrap then
WrapText( TheList );
elsif longLines = justify then
JustifyText( TheList, r-3-1 );
end if;
Init( TheScrollBar, r-2, 1, r-2, b-3 );
AddControl( TheScrollBar'unchecked_access, IsGlobal => False );
Init( OKButton, CenterX-3, b-2, CenterX+3, b-2, 'o' );
SetText( OKButton, s_OK );
AddControl( OKButton'unchecked_access, IsGlobal => False );
SetScrollBar( TheList, 2 );
SetMax( TheScrollBar, Natural (lst.length) );
SetOwner( TheScrollBar, 1 );
if last then
SetThumb( TheScrollBar, Natural (Lst.Length));
MoveCursor( TheList, 0, Natural (Lst.Length) - 1);
end if;
DoDialog( DT );
pragma Unreferenced (Dt);
CloseWindow;
end ShowListInfo;
procedure EditListInfo( title : string;
t : integer;
lst : in out Strlist.Vector;
result : out boolean;
last : boolean := false ) is
begin
EditListInfo( title, 0, t, DisplayInfo.H_Res-1, DisplayInfo.V_Res-1, lst,
result, last );
end EditListInfo;
procedure EditListInfo( title : string;
l, t, r, b : integer;
lst : in out Strlist.vector;
result : out boolean;
last : boolean := false) is
-- display a list for the user to view; list isn't cleared
ssf : ASelectSaveFileRec;
ListHeader : Strlist.Vector;
TheList : aliased AnEditList;
TheScrollBar : aliased AScrollBar;
OKButton : aliased ASimpleButton;
CancelButton : aliased ASimpleButton;
SaveButton : aliased ASimpleButton;
EmailButton : aliased ASimpleButton;
PrintButton : aliased ASimpleButton;
DT : ADialogTaskRecord;
procedure EmailText is
PipeID : AStdioFileID;
Result : Integer;
WhoLabel : aliased AStaticLine;
WhoLine : aliased AnEditLine;
SubjectLabel : aliased AStaticLine;
SubjectLine : aliased AnEditLine;
OKButton : aliased ASimpleButton;
DT : ADialogTaskRecord;
procedure Process (Position : in Strlist.Cursor);
procedure Process (Position : in Strlist.Cursor) is
begin
Result := fputs( Strlist.Element (Position) & ASCII.CR & ASCII.LF & ASCII.NUL,
PipeID );
pragma Assert (Result >= 0);
end Process;
begin
OpenWindow( "Person & Subject", 2, 2, 30, 8, normal, false );
Init( WhoLabel, 1, 2, 3, 2 );
SetText( WhoLabel, "To:" );
AddControl( WhoLabel'unchecked_access, IsGlobal => false );
Init( WhoLine, 4, 2, 26, 2 );
AddControl( WhoLine'unchecked_access, IsGlobal => false );
Init( SubjectLabel, 1, 3, 3, 3 );
SetText( SubjectLabel, "Re:" );
AddControl( SubjectLabel'unchecked_access, IsGlobal => false );
Init( SubjectLine, 4, 3, 26, 3 );
AddControl( SubjectLine'unchecked_access, IsGlobal => false );
Init( OKButton, 12, 5, 18, 5, s_OK_Hot );
SetText( OKButton, s_OK );
AddControl( OKButton'unchecked_access, IsGlobal => false );
DoDialog( DT );
declare
Who2Mail : constant String := GetText (WhoLine);
Subject : Unbounded_String := To_Unbounded_String (GetText (SubjectLine));
begin
CloseWindow;
if Who2Mail'Length = 0 then
SessionLog( "EmailText: no recipient specified" );
return;
end if;
if Length (Subject) = 0 then
Subject := To_Unbounded_String ("No Subject");
end if;
PipeID := popen( "mail -s " &
"'" & To_String (Subject) & "' " & Who2Mail & ASCII.NUL,
"w" & ASCII.NUL);
end;
ListHeader := GetList( TheList ); -- get list header (so don't clear)
Listheader.Iterate (Process'Access);
pclose( Result, PipeID );
pragma Assert (Result = 0);
SessionLog( "EmailText: Email sent" );
end EmailText;
procedure PrintText is
PipeID : AStdioFileID;
Result : integer;
procedure Process (Position : in Strlist.Cursor);
procedure Process (Position : in Strlist.Cursor) is
begin
Result := fputs( Strlist.Element (Position) & ASCII.CR & ASCII.LF & ASCII.NUL,
PipeID );
pragma Assert (Result >= 0);
end Process;
begin
PipeID := popen( "lpr" & ASCII.NUL, "w" & ASCII.NUL);
ListHeader := GetList( TheList ); -- get list header (so don't clear)
Listheader.Iterate (Process'Access);
Result := fputc( character'pos( ASCII.FF ), PipeID );
pragma Assert (Result >= 0);
pclose( Result, PipeID );
pragma Assert (Result /= -1);
SessionLog( "PrintText: Printing spooled" );
end PrintText;
begin
OpenWindow( Title, l, t, r, b, normal, true );
Init( TheList, 1, 1, r-4, b-4 );
SetList( TheList, lst );
AddControl( TheList'unchecked_access, IsGlobal => false );
Init( TheScrollBar, r-3, 1, r-3, b-4 );
AddControl( TheScrollBar'unchecked_access, IsGlobal => false );
Init( OKButton, 2, b-3, 15, b-3, 'o' );
SetText( OKButton, s_OK );
SetInfo( OKButton, "Accept with any changes");
AddControl( OKButton'unchecked_access, IsGlobal => false );
Init( CancelButton, 16, b-3, 30, b-3, 'l' );
SetText( CancelButton, s_Cancel );
SetInfo( CancelButton, "Discard any changes");
AddControl( CancelButton'unchecked_access, IsGlobal => false );
Init( SaveButton, 31, b-3, 45, b-3, s_Save_Hot );
SetText( SaveButton, s_Save );
SetInfo( SaveButton, "Save to a file and continue making changes");
AddControl( SaveButton'unchecked_access, IsGlobal => false );
Init( EmailButton, 46, b-3, 60, b-3, 'e' );
SetText( EmailButton, "Email" );
SetInfo( EmailButton, "Email this to someone");
AddControl( EmailButton'unchecked_access, IsGlobal => false );
Init( PrintButton, 61, b-3, 75, b-3, 'p' );
SetText( PrintButton, "Print" );
SetInfo( PrintButton, "Print this");
AddControl( PrintButton'unchecked_access, IsGlobal => false );
SetScrollBar( TheList, 2 );
SetMax( TheScrollBar, Natural (lst.Length));
SetOwner( TheScrollBar, 1 );
if last then
SetThumb( TheScrollBar, Natural (Lst.Length));
SetCursor( TheList, 1, Natural (lst.length));
end if;
-- doesn't work for X Windows
--if not IsLocal then
-- SetStatus( SaveButton, Off );
--end if;
loop
DoDialog( DT );
if DT.control = 3 then
ListHeader := GetList( TheList ); -- get list header (so don't clear)
Lst.Clear; -- erase old list
Lst := ListHeader;
exit;
elsif DT.control = 5 then
ssf.prompt := To_Unbounded_String ("Save as ...");
ssf.default := To_Unbounded_String ("untitled.txt");
SelectSaveFile( ssf );
if ssf.replied then
ListHeader := GetList( TheList );
SaveList (To_String (Ssf.Path) & "/" & To_String (Ssf.Fname), ListHeader );
end if;
elsif DT.control = 6 then
EmailText;
elsif DT.control = 7 then
PrintText;
else
exit;
end if;
end loop;
CloseWindow;
result := DT.control = 3;
end EditListInfo;
--- Housekeeping
procedure StartupWindows is
procedure InitializeSharedControls is
-- allocate the controls to be shared by dialogs/alerts in this package
begin
Shared.Button1 := new ASimpleButton;
Shared.Button2 := new ASimpleButton;
Shared.Button3 := new ASimpleButton;
Shared.Text := new AStaticLine;
if Shared.Text = Null then
SessionLog( "StartupWindows: Error allocating shared controls" );
end if;
end InitializeSharedControls;
begin
NoError;
if PackageRunning then
SessionLog( "StartupWindows: Windows package is already running" );
return;
end if;
GetDisplayInfo( DisplayInfo ); -- NoError implied
SessionLog( "StartupWindows: DisplayInfo.H_Res = " & DisplayInfo.H_Res'img );
SessionLog( "StartupWindows: DisplayInfo.V_Res = " & DisplayInfo.V_Res'img );
NextWindow := 2;
CurrentWindow := 1;
SessionLog( "StartupWindows: Setting up global window" );
Window( CurrentWindow ).HasFrame := false;
Window( CurrentWindow ).Relative := false;
Window( CurrentWindow ).Title := Null_Unbounded_String;
Window( CurrentWindow ).ParentFile := Null_Unbounded_String;
Window( CurrentWindow ).Style := Frameless;
SetRect( Window( CurrentWindow ).Frame, 0, 0, DisplayInfo.H_Res-1,
DisplayInfo.V_Res-1 );
SetRect( Window( CurrentWindow ).Content, 0, 0, DisplayInfo.H_Res-1,
DisplayInfo.V_Res-1 );
SessionLog( "StartupWindows: Setting up global window control table" );
InitControlTable( Window( CurrentWindow ).table );
Clipboard := null;
SessionLog( "StartupWindows: Drawing global window" );
DrawWindow;
SessionLog( "StartupWindows: Initialing Shared Controls" );
InitializeSharedControls;
SessionLog( "StartupWindows: Done Window Startup" );
end StartupWindows;
procedure IdleWindows( IdlePeriod : in Duration ) is
pragma Unreferenced (Idleperiod);
begin
NoError;
end IdleWindows;
procedure ShutdownWindows is
procedure ClearSharedControls is
begin
Finalize( Shared.Button1.all );
Finalize( Shared.Button2.all );
Finalize( Shared.Button3.all );
Finalize( Shared.Text.all );
end ClearSharedControls;
begin
NoError;
if PackageRunning then
ClearSharedControls;
PackageRunning := false;
end if;
notepaddata.Clear;
end ShutdownWindows;
procedure ShellOut( cmd : string) is
BackgroundSave : boolean;
begin
NoError;
BackgroundSave := IsBlueBackground;
Sessionlog( "ShellOut: - " & cmd );
ShutdownUserIO;
UNIX( cmd );
StartupUserIO;
if IsBlueBackground /= BackgroundSave then
BlueBackground( BackgroundSave );
end if;
RefreshDesktop;
end ShellOut;
end windows;
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