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DNAPP.PAS
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{/////////////////////////////////////////////////////////////////////////
//
// Dos Navigator Open Source 1.51.08
// Based on Dos Navigator (C) 1991-99 RIT Research Labs
//
// This programs is free for commercial and non-commercial use as long as
// the following conditions are aheared to.
//
// Copyright remains RIT Research Labs, and as such any Copyright notices
// in the code are not to be removed. If this package is used in a
// product, RIT Research Labs should be given attribution as the RIT Research
// Labs of the parts of the library used. This can be in the form of a textual
// message at program startup or in documentation (online or textual)
// provided with the package.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All advertising materials mentioning features or use of this software
// must display the following acknowledgement:
// "Based on Dos Navigator by RIT Research Labs."
//
// THIS SOFTWARE IS PROVIDED BY RIT RESEARCH LABS "AS IS" AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The licence and distribution terms for any publically available
// version or derivative of this code cannot be changed. i.e. this code
// cannot simply be copied and put under another distribution licence
// (including the GNU Public Licence).
//
//////////////////////////////////////////////////////////////////////////}
{$I STDEFINE.INC}
unit DNApp;
interface
uses
Defines, Objects2, Streams, Drivers, Memory, Views, Menus,
Dialogs, RStrings, Commands, xTime, Collect
, Startup, Startupp
;
const
EventsLen: Byte = 0;
MaxEvents = 15;
var
EventQueue: array[1..MaxEvents] of TEvent;
const
IdleWas: Boolean = False; { Used by GetEvent }
{ TApplication palette entries }
apColor = 0;
apBlackWhite = 1;
apMonochrome = 2;
{ TApplication palettes }
{ Turbo Vision 1.0 Color Palettes }
CColor =
#$0A#$70#$79#$75#$30#$39#$35#$8C#$8B#$8A#$31#$31#$78#$7F#$1F+
#$31#$3F#$3A#$13#$13#$3E#$21#$3F#$70#$7F#$7A#$13#$13#$70#$7F#$7E+
#$70#$70#$73#$13#$13#$70#$70#$7F#$75#$5B#$6F#$CF#$78#$5D#$78#$70+
#$7F#$76#$0F#$9F#$0B#$9F#$79#$87#$78#$30#$0F#$3F#$31#$70#$79#$3E+
#$30#$38#$3F#$0F#$07#$0B#$87#$8F#$87#$87#$8B#$B0#$87#$7F#$1C#$00+
#$87#$8B#$87#$8B#$B0#$8B#$8B#$0F#$30#$7F#$30#$8B#$87#$70#$87#$8F+
#$3F#$8F#$3F#$8E#$8E#$70#$8B#$87#$30#$3F#$0F#$3E#$0E#$31#$31#$00+
#$87#$8F#$87#$8B#$B0#$87#$70#$8B#$30#$3F#$87#$8F#$87#$8F#$70#$7F+
#$8F#$30#$8B#$83#$7F#$79#$39#$7E#$7E#$7F#$70#$37#$3F#$3F#$13#$13+
#$30#$3F#$8F#$30#$38#$3E#$0F#$07#$0E#$87#$8B#$87#$87#$8B#$B0#$87+
#$70#$8E#$30#$3B#$83#$8E#$38#$3F#$3A#$31#$3F#$70#$87#$8F#$8D#$89+
#$84#$82#$C8#$6D#$80#$8C#$0C#$7C#$0B#$0F#$8B#$8B#$8E#$8F#$8D#$8B+
#$83#$86#$81#$8E#$8A#$8F#$8E#$83#$8F#$8D#$8B#$8F#$8E#$70#$3F#$30+
#$73#$3B#$70#$73#$3F#$3F#$4F#$4F#$70#$0F#$78#$7E#$48#$0E#$3F#$3F+
#$08#$CF#$CE#$0F#$0E;
CBlackWhite =
#$0F#$70#$78#$7F#$07#$07#$0F#$07#$0F#$07#$70#$70#$07#$70#$0F+
#$07#$0F#$07#$70#$70#$07#$70#$0F#$70#$7F#$7F#$70#$07#$70#$07#$0F+
#$70#$7F#$7F#$70#$07#$70#$70#$7F#$7F#$07#$0F#$0F#$78#$0F#$78#$70+
#$7F#$7F#$0F#$70#$0F#$07#$70#$70#$70#$07#$70#$0F#$07#$07#$78#$00+
#$70#$78#$7F#$07#$07#$0F#$07#$0F#$0F#$0F#$70#$70#$07#$70#$07#$00+
{ 64 - 79 Editor}
#$07#$0F#$0F#$70#$70#$07#$07#$F0#$70#$7F#$7F#$0F#$70#$70#$07#$07+
#$70#$0F#$7F#$0F#$0F#$07#$70#$7F#$0F#$0F#$0F#$70#$7F#$0F#$0F#$00+
#$07#$0F#$0F#$78#$78#$07#$78+
#$07#$70#$7F#$07#$0F#$07#$0F+ {119 - 125 - File Info}
#$70#$7F#$07#$0F#$07#$08#$7F#$79#$39#$7E#$7E#$7F#$70+
{126 - 138 - File Find}
#$07#$0F#$07#$70#$70#$07#$0F#$70+
#$70#$78#$7F#$07#$07#$0F#$07#$0F#$0F#$0F#$70#$70#$07#$70#$0F#$70+
#$0F#$08#$0F#$07#$0F#$0F#$0F#$07#$70#$07#$0F#$08#$07#$07#$07#$7F+
#$7F#$07#$07#$0F#$78#$08#$0F#$0F#$0F#$78#$0F#$0F#$0F#$07#$07#$07+
#$07#$07#$0F#$0F#$08#$0F#$0F#$0F#$0F#$0F#$70#$1F#$80#$7F#$8F#$78+
#$7F#$0F#$0F#$70#$70#$07#$07#$08#$0F#$78#$7F#$1F#$17#$71#$30#$3F#$3F#$3F;
CMonochrome =
#$70#$07#$07#$01#$70#$70#$0F#$07#$0F#$0F#$0F#$0F#$70#$0F#$1F+
#$31#$3F#$3A#$13#$13#$3E#$21#$3F#$70#$70#$0F#$13#$13#$70#$7F#$7E+
#$70#$70#$70#$0F#$0F#$70#$70#$70#$0F#$07#$07#$07#$07#$01#$70#$70+
#$07#$0F#$07#$70#$0F#$0F#$70#$0F#$0F#$07#$70#$01#$07#$70#$70#$0F+
#$70#$70#$01#$0F#$07#$01#$07#$0F#$0F#$0F#$0F#$0F#$07#$70#$1C#$00+
{ 64 - 79 Editor}
#$07#$0F#$0F#$0F#$0F#$07#$0F#$01#$70#$70#$70#$0F#$07#$0F#$07#$07+
#$70#$0F#$70#$01#$01#$70#$0F#$07#$07#$07#$70#$0F#$70#$01#$01#$00+
#$07#$0F#$0F#$0F#$0F#$07#$70+
#$0F#$07#$0F#$07#$0F#$07#$0F+ {119 - 125 - File Info}
#$70#$7F#$70#$0F#$0F#$07#$01#$79#$39#$7E#$7E#$7F#$70+
{126 - 138 - File Find}
#$07#$07#$0F#$0F#$0F#$07#$0F#$70+
#$70#$70#$01#$0F#$07#$01#$07#$0F#$0F#$0F#$0F#$0F#$07#$70#$70#$70+
#$01#$01#$0F#$07#$0F#$0F#$0F#$07#$0F#$07#$07#$07#$07#$07#$07#$0F+
#$01#$07#$07#$01#$70#$0F#$01#$07#$0F#$70#$0F#$01#$0F#$07#$07#$07+
#$07#$07#$0F#$0F#$01#$0F#$0F#$0F#$0F#$0F#$07#$3F#$70#$0F#$70#$01+
#$0F#$0F#$0F#$70#$70#$07#$07#$07#$01#$70#$0F#$3F#$3F#$01#$70#$70#$07#$0F;
{ TBackground palette }
CBackground = #1;
const
SystemColors: array[apColor..apMonochrome] of String =
(CColor, CBlackWhite, CMonochrome);
{ TBackground object }
type
PBackground = ^TBackground;
TBackground = object(TView)
{Cat: íâ®â ®¡ê¥ªâ ¢ë¥á¥ ¢ ¯« £¨ãî ¬®¤¥«ì; ¨§¬¥ïâì ªà ©¥ ®áâ®à®¦®!}
Pattern: Char;
constructor Init(var Bounds: TRect; APattern: Char);
constructor Load(var S: TStream);
procedure Draw; virtual;
function GetPalette: PPalette; virtual;
procedure Store(var S: TStream);
end;
{ TDesktop object }
PDesktop = ^TDesktop;
TDesktop = object(TGroup)
{Cat: íâ®â ®¡ê¥ªâ ¢ë¥á¥ ¢ ¯« £¨ãî ¬®¤¥«ì; ¨§¬¥ïâì ªà ©¥ ®áâ®à®¦®!}
Background: PBackground;
TileColumnsFirst: Boolean;
constructor Init(var Bounds: TRect);
constructor Load(var S: TStream);
procedure Cascade(var R: TRect);
procedure Clear;
procedure HandleEvent(var Event: TEvent); virtual;
procedure InitBackground; virtual;
procedure Store(var S: TStream);
procedure Tile(var R: TRect);
procedure TileError; virtual;
end;
{ TProgram object }
{ Palette layout }
{ 1 = TBackground }
{ 2- 7 = TMenuView and TStatusLine }
{ 8-15 = TWindow(Blue) }
{ 16-23 = TWindow(Cyan) }
{ 24-31 = TWindow(Gray) }
{ 32-63 = TDialog }
PProgram = ^TProgram;
TProgram = object(TGroup)
{Cat: íâ®â ®¡ê¥ªâ ¢ë¥á¥ ¢ ¯« £¨ãî ¬®¤¥«ì; ¨§¬¥ïâì ªà ©¥ ®áâ®à®¦®!}
IdleSecs: TEventTimer;
{$IFDEF WIN32}
{CS: CRITICAL_SECTION;}
{$ENDIF}
constructor Init;
destructor Done; virtual;
function CanMoveFocus: Boolean;
function ExecuteDialog(P: PDialog; Data: Pointer): Word;
{$IFDEF SS}
procedure InsertIdler;
procedure InsertIdlerN(N: Integer);
procedure InsertAvIdlerN(Data: TSaversData; n: Integer);
{$ENDIF}
procedure GetEvent(var Event: TEvent); virtual;
function GetPalette: PPalette; virtual;
procedure HandleEvent(var Event: TEvent); virtual;
procedure Idle; virtual;
procedure InitDesktop; virtual;
procedure InitMenuBar; virtual;
procedure InitScreen; virtual;
procedure InitStatusLine; virtual;
procedure InitCommandLine; virtual;
function InsertWindow(P: PWindow): PWindow;
procedure ActivateView(P: PView);
procedure OutOfMemory; virtual;
procedure PutEvent(var Event: TEvent); virtual;
procedure Run; virtual;
function SetScreenMode(Mode: Word): Boolean;
function ValidView(P: PView): PView;
procedure Redraw; virtual;
end;
{ TApplication object }
PApplication = ^TApplication;
TApplication = object(TProgram)
{Cat: íâ®â ®¡ê¥ªâ ¢ë¥á¥ ¢ ¯« £¨ãî ¬®¤¥«ì; ¨§¬¥ïâì ªà ©¥ ®áâ®à®¦®!}
Clock: PView;
constructor Init;
destructor Done; virtual;
procedure Cascade;
procedure ShowUserScreen;
procedure WhenShow; virtual;
procedure GetTileRect(var R: TRect); virtual;
procedure HandleEvent(var Event: TEvent); virtual;
procedure Tile;
end;
{ Interface and resource procedures }
procedure UpdateWriteView(P: Pointer);
procedure OpenResource;
function ExecResource(Key: TDlgIdx; var Data): Word;
{` £à㧨âì ¤¨ «®£ ¨§ à¥áãàá .
᫨ ¥áâì PreExecuteDialog,
â® ¢ë¯®«¨âì ¥ñ. 믮«¨âì ¤¨ «®£ ç¥à¥§ ExecDialog`}
function ExecDialog(D: PDialog; var Data): Word;
{` 믮«¨âì ¤¨ «®£ á® áâ ¤ àâë¬ ®¡¬¥®¬ ¤ 묨, â® ¥áâì
â㤠¤ ë¥ ¯¥à¥¤ îâáï ¢á¥£¤ , ¢®§¢à é îâáï ⮫쪮 ¥á«¨
१ã«ìâ â - ¥ cmCancel `}
function LoadResource(Key: TDlgIdx): PObject;
function GlobalMessage(What, Command: Word; InfoPtr: Pointer): Pointer;
function GlobalMessageL(What, Command: Word; InfoLng: LongInt): Pointer;
procedure GlobalEvent(What, Command: Word; InfoPtr: Pointer);
function ViewPresent(Command: Word; InfoPtr: Pointer): PView;
function WriteMsg(Text: String): PView;
function _WriteMsg(const Text: String): PView;
procedure ForceWriteShow(P: Pointer);
function GetString(Index: TStrIdx): String;
procedure ToggleCommandLine(OnOff: Boolean);
procedure AdjustToDesktopSize(var R: TRect; OldDeskSize: TPoint);
const
{ Public variables }
{Cat: ¯®à冷ª ¯¥à¥¬¥ëå ¥ ¬¥ïâì, ¨ ç¥ ¡ã¤ã⠯஡«¥¬ë á ¯« £¨ ¬¨}
Application: PProgram = nil;
Desktop: PDesktop = nil;
StatusLine: PStatusLine = nil;
MenuBar: PMenuView = nil;
CommandLine: PView = nil;
ResourceStream: PStream = nil;
LngStream: PStream = nil;
LStringList: PStringList = nil;
Resource: PIdxResource = nil;
appPalette: Integer = apColor;
type
PWriteWin = ^TWriteWin;
TWriteWin = object(TWindow)
Tmr: TEventTimer;
IState: Byte;
end;
{$IFDEF OS2}
const
PMWindowed: Boolean = False;
{áâ ¢«¨¢ ¥âáï ¢ dn2pmapi}
{$ENDIF}
var
PreExecuteDialog: procedure(D: PView);
{` ®¤£®â®¢ª ¤¨ «®£ ª ¢ë¯®«¥¨î. ®¦¥â ¯à¨á¢ ¨¢ âìáï ¯¥à¥¤
¢ë§®¢®¬ ExecResource; ¢â®¬ â¨ç¥áª¨ ®ç¨é ¥âáï ¢ ExecResource.
¢ë§ë¢ ¥âáï ⮫쪮 ¢ ExecResource. ¨ ¢ TGroup.ExecView,
¨ ¢ TGroup.ExecuteDialog PreExecuteDialog ¥ ¢ë§ë¢ ¥âáï.
¬. â ª¦¥ TDialog.DirectLink `}
implementation
uses
Dos, DNHelp, Advance, Advance1, Advance2, VideoMan,
UserMenu, Microed, FViewer, DblWnd, CmdLine,
{$IFDEF DNPRG} Dn2PmApi, {$ENDIF} {AK155}
{$IFDEF SS}Idlers, {$ENDIF}
VpSysLow, Lfn, HistList, Advance7,
DnIni,
DnExec
;
var
{ Private variables }
LastComTime: TEventTimer;
procedure ToggleCommandLine(OnOff: Boolean);
begin
if (CommandLine <> nil)
and (CommandLine^.GetState(sfVisible) xor OnOff)
then
Message(Application, evCommand, cmHideCmdLine, nil);
end;
procedure AdjustToDesktopSize(var R: TRect; OldDeskSize: TPoint);
var
KX, KY: Real;
begin
if OldDeskSize.X = 0 then
OldDeskSize.X := Desktop^.Size.X;
if OldDeskSize.Y = 0 then
OldDeskSize.Y := Desktop^.Size.Y;
if Desktop^.Size.Equals(OldDeskSize) then
Exit;
KX := Desktop^.Size.X/OldDeskSize.X;
R.A.X := Trunc(R.A.X*KX);
R.B.X := Trunc(R.B.X*KX);
KY := Desktop^.Size.Y/OldDeskSize.Y;
R.A.Y := Trunc(R.A.Y*KY);
R.B.Y := Trunc(R.B.Y*KY);
if R.Empty or (R.A.X >= Desktop^.Size.X) or (R.B.X < 0)
or (R.A.Y >= Desktop^.Size.Y) or (R.B.Y < 0)
or (R.B.X-R.A.X < MinWinSize.X)
or (R.B.Y-R.A.Y < MinWinSize.Y)
then
Desktop^.GetExtent(R);
end { AdjustToDesktopSize };
{ TBackground }
constructor TBackground.Init(var Bounds: TRect; APattern: Char);
begin
TView.Init(Bounds);
GrowMode := gfGrowHiX+gfGrowHiY;
Pattern := APattern;
end;
constructor TBackground.Load(var S: TStream);
begin
TView.Load(S);
S.Read(Pattern, SizeOf(Pattern));
end;
procedure TBackground.Draw;
var
B, B1: TDrawBuffer;
I, H, Src: Integer;
begin
MoveChar(B, ' ', $07, Size.X);
if UserScreen = nil
then
WriteLine(0, 0, Size.X, Size.Y, B)
else
begin
H := (UserScreenSize div (UserScreenWidth*2));
Src := 0;
if (InterfaceData.Options and ouiHideMenu = 0)
and (Size.Y <> Application^.Size.Y)
then
begin
Inc(Src, UserScreenWidth);
Dec(H);
end;
for I := 0 to H-1 do
begin
B1 := B;
Move(PAWordArray(UserScreen)^[Src], B1, UserScreenWidth*2);
WriteLine(0, I, Size.X, 1, B1);
Inc(Src, UserScreenWidth);
end;
WriteLine(0, H, Size.X, Size.Y-H+1, B);
end;
end { TBackground.Draw };
function TBackground.GetPalette: PPalette;
const
P: String[Length(CBackground)] = CBackground;
begin
GetPalette := @P;
end;
procedure TBackground.Store(var S: TStream);
begin
TView.Store(S);
S.Write(Pattern, SizeOf(Pattern));
end;
{ TDesktop object }
constructor TDesktop.Init(var Bounds: TRect);
begin
inherited Init(Bounds);
GrowMode := gfGrowHiX+gfGrowHiY;
HelpCtx := hcDesktop;
InitBackground;
if Background <> nil then
Insert(Background);
end;
constructor TDesktop.Load(var S: TStream);
begin
inherited Load(S);
GetSubViewPtr(S, Background);
if Background = nil then
{Cat}
Fail;
S.Read(TileColumnsFirst, SizeOf(TileColumnsFirst));
end;
function Tileable(P: PView): Boolean;
begin
Tileable := (P^.Options and ofTileable <> 0) and
(P^.State and sfVisible <> 0);
end;
procedure TDesktop.Clear;
procedure CloseView(P: PView);
begin
Message(P, evCommand, cmClose, nil)
end;
begin
if Desktop^.Valid(cmClose) then
Desktop^.ForEach(@CloseView);
end;
procedure TDesktop.Cascade(var R: TRect);
var
CascadeNum: Integer;
LastView: PView;
Min, Max: TPoint;
procedure DoCount(P: PView);
begin
if Tileable(P) then
begin
Inc(CascadeNum);
LastView := P;
end;
end;
procedure DoCascade(P: PView);
var
NR: TRect;
begin
if Tileable(P) and (CascadeNum >= 0) then
begin
NR.Copy(R);
Inc(NR.A.X, CascadeNum);
Inc(NR.A.Y, CascadeNum);
P^.Locate(NR);
Dec(CascadeNum);
end;
end;
begin { TDesktop.Cascade }
CascadeNum := 0;
ForEach(@DoCount);
if CascadeNum > 0 then
begin
LastView^.SizeLimits(Min, Max);
if (Min.X > R.B.X-R.A.X-CascadeNum) or
(Min.Y > R.B.Y-R.A.Y-CascadeNum)
then
TileError
else
begin
Dec(CascadeNum);
Lock;
ForEach(@DoCascade);
UnLock;
end;
end;
end { TDesktop.Cascade };
procedure TDesktop.HandleEvent(var Event: TEvent);
var
PCur, PNext: PView;
E: TEvent;
procedure _Next;
begin
SelectNext(False);
end;
procedure _Prev;
begin
if Valid(cmReleasedFocus) and (Current <> nil) then
Current^.PutInFrontOf(Background);
end;
procedure _NextSame;
var
Old: PView;
begin
Old := Desktop^.Current;
Lock;
repeat
_Next
until (Old = Desktop^.Current)
or (TypeOf(Desktop^.Current^) = TypeOf(Old^));
UnLock;
end;
procedure _PrevSame;
var
Old: PView;
begin
Old := Desktop^.Current;
Lock;
repeat
_Prev;
until (Old = Desktop^.Current)
or (TypeOf(Desktop^.Current^) = TypeOf(Old^));
UnLock;
end;
procedure _NextOther;
var
Old: PView;
begin
Old := Desktop^.Current;
Lock;
repeat
_Next
until (Old = Desktop^.Current)
or (TypeOf(Desktop^.Current^) <> TypeOf(Old^));
UnLock;
end;
procedure _PrevOther;
var
Old: PView;
begin
Old := Desktop^.Current;
Lock;
repeat
_Prev;
until (Old = Desktop^.Current)
or (TypeOf(Desktop^.Current^) <> TypeOf(Old^));
UnLock;
end;
begin { TDesktop.HandleEvent }
TGroup.HandleEvent(Event);
if Event.What = evCommand then
begin
case Event.Command of
cmNext:
_Next;
cmPrev:
_Prev;
cmNext2:
_NextSame;
cmPrev2:
_PrevSame;
cmNext3:
_NextOther;
cmPrev3:
_PrevOther;
else {case}
Exit;
end {case};
ClearEvent(Event);
end;
end { TDesktop.HandleEvent };
procedure TDesktop.InitBackground;
var
R: TRect;
begin
GetExtent(R);
New(Background, Init(R, #176));
end;
function ISqr(X: Integer): Integer;
assembler;
{&Frame-} {$USES EBX, ECX}
asm
MOV ECX,X
XOR EBX,EBX
@@1: INC EBX
MOV EAX,EBX
IMUL EAX
CMP EAX,ECX
JLE @@1
MOV EAX,EBX
DEC EAX
end;
procedure MostEqualDivisors(N: Integer; var X, Y: Integer;
FavorY: Boolean);
var
I: Integer;
begin
I := ISqr(N);
if ( (N mod I) <> 0) then
if (N mod (I+1)) = 0 then
Inc(I);
if I < (N div I) then
I := N div I;
if FavorY then
begin
X := N div I;
Y := I;
end
else
begin
Y := N div I;
X := I;
end;
end;
procedure TDesktop.Store(var S: TStream);
begin
inherited Store(S);
PutSubViewPtr(S, Background);
S.Write(TileColumnsFirst, SizeOf(TileColumnsFirst));
end;
procedure TDesktop.Tile(var R: TRect);
var
NumCols, NumRows, NumTileable, LeftOver, TileNum: Integer;
procedure DoCountTileable(P: PView);
begin
if Tileable(P) then
Inc(NumTileable);
end;
function DividerLoc(Lo, Hi, Num, Pos: Integer): Integer;
begin
DividerLoc := (((Hi-Lo)*Pos) div Num)+Lo;
end;
procedure CalcTileRect(Pos: Integer; var NR: TRect);
var
X, Y, D: Integer;
begin
D := (NumCols-LeftOver)*NumRows;
if Pos < D then
begin
X := Pos div NumRows;
Y := Pos mod NumRows;
end
else
begin
X := (Pos-D) div (NumRows+1)+(NumCols-LeftOver);
Y := (Pos-D) mod (NumRows+1);
end;
NR.A.X := DividerLoc(R.A.X, R.B.X, NumCols, X);
NR.B.X := DividerLoc(R.A.X, R.B.X, NumCols, X+1);
if Pos >= D then
begin
NR.A.Y := DividerLoc(R.A.Y, R.B.Y, NumRows+1, Y);
NR.B.Y := DividerLoc(R.A.Y, R.B.Y, NumRows+1, Y+1);
end
else
begin
NR.A.Y := DividerLoc(R.A.Y, R.B.Y, NumRows, Y);
NR.B.Y := DividerLoc(R.A.Y, R.B.Y, NumRows, Y+1);
end;
end { CalcTileRect };
procedure DoTile(P: PView);
var
R: TRect;
begin
if Tileable(P) then
begin
CalcTileRect(TileNum, R);
P^.Locate(R);
Dec(TileNum);
end;
end;
begin { TDesktop.Tile }
NumTileable := 0;
ForEach(@DoCountTileable);
if NumTileable > 0 then
begin
MostEqualDivisors(NumTileable, NumCols, NumRows, not TileColumnsFirst);
if ( (R.B.X-R.A.X) div NumCols = 0) or
( (R.B.Y-R.A.Y) div NumRows = 0)
then
TileError
else
begin
LeftOver := NumTileable mod NumCols;
TileNum := NumTileable-1;
Lock;
ForEach(@DoTile);
UnLock;
end;
end;
end { TDesktop.Tile };
procedure TDesktop.TileError;
begin
end;
{ TProgram }
constructor TProgram.Init;
var
R: TRect;
begin
Application := @Self;
InitScreen;
R.Assign(0, 0, ScreenWidth, ScreenHeight);
TGroup.Init(R);
State := sfVisible+sfSelected+sfFocused+sfModal+sfExposed;
Options := 0;
Buffer := ScreenBuffer;
InitStatusLine;
InitMenuBar;
InitDesktop;
if StatusLine <> nil then
Insert(StatusLine);
if MenuBar <> nil then
Insert(MenuBar);
if Desktop <> nil then
Insert(Desktop);
InitCommandLine;
if StatusLine <> nil then
StatusLine^.GrowTo(StatusLine^.Size.X, 1);
if MenuBar <> nil then
MenuBar^.GrowTo(MenuBar^.Size.X, 1);
NewTimer(LastComTime, 0);
NewTimer(IdleSecs, 0);
end { TProgram.Init };
destructor TProgram.Done;
begin
if MenuBar <> nil then
Dispose(MenuBar, Done);
MenuBar := nil;
if StatusLine <> nil then
Dispose(StatusLine, Done);
StatusLine := nil;
if Desktop <> nil then
Dispose(Desktop, Done);
Desktop := nil;
Application := nil;
inherited Done;
end;
function TProgram.CanMoveFocus: Boolean;
begin
CanMoveFocus := Desktop^.Valid(cmReleasedFocus);
end;
function TProgram.ExecuteDialog(P: PDialog; Data: Pointer): Word;
var
C: Word;
begin
ExecuteDialog := cmCancel;
if ValidView(P) <> nil then
begin
if Data <> nil then
P^.SetData(Data^);
C := {Desktop^.}ExecView(P); { X-Man }
if (C <> cmCancel) and (Data <> nil) then
P^.GetData(Data^);
Dispose(P, Done);
ExecuteDialog := C;
end;
end;
procedure ExecExit;
var
S: String; {DataCompBoy}
begin
{if SSaver <> nil then SSaver^.Free;}
S := GetEnv('DNIDLE');
if S = '' then
begin
TottalExit := True;
Application^.Done;
SysTVInitCursor;
Halt(0);
end
else
Message(Application, evCommand, cmExecString, @S);
end;
{$IFDEF SS}
procedure TProgram.InsertIdler;
begin
if {$IFDEF OS2}PMWindowed or {$ENDIF}(SkyEnabled > 0)
or SaversData.Mouse and
(MouseWhere.Y = Size.Y-1) and (MouseWhere.X = Size.X-1)
or (SaversData.Selected.List = nil) or
(SaversData.Selected.List^.Count = 0) or
(SSaver <> nil)
then
Exit;
InsertIdlerN(Random(SaversData.Selected.List^.Count));
end;
procedure TProgram.InsertIdlerN;
var
I: Integer;
S: String;
R: TRect;
Event: TEvent;
MX, MY: Word;
begin
if (SkyEnabled > 0) or SaversData.Mouse and
(MouseWhere.Y = Size.Y-1) and (MouseWhere.X = Size.X-1)
or (SaversData.Selected.List = nil) or
(SaversData.Selected.List^.Count = 0) or
(SSaver <> nil)
then
Exit;
S := PString(SaversData.Selected.List^.At(N))^;
if S[1] = #249 then
begin
Application^.GetExtent(R);
case S[3] of
'F':
SSaver := New(PProjector, Init);
'B':
SSaver := New(PSSaver, Init(R));
'C':
SSaver := New(PClockSaver, Init);
else {case}
SSaver := New(PStarSkySaver, Init);
end {case};
if (SSaver <> nil) then
begin
if ExecView(SSaver) = cmCancel then
ExecExit;
Dispose(SSaver, Done);
SSaver := nil;
end;
end
else
begin
CallExternalSaver(S);
end;
end { TProgram.InsertIdlerN };
procedure TProgram.InsertAvIdlerN;
var
I: Integer;
S: String;
R: TRect;
Event: TEvent;
MX, MY: Word;
begin
if (SkyEnabled > 0) or SaversData.Mouse and
(MouseWhere.Y = Size.Y-1) and (MouseWhere.X = Size.X-1)
or (Data.Available.List = nil) or
(Data.Available.List^.Count = 0) or
(SSaver <> nil)
then
Exit;
S := PString(Data.Available.List^.At(n))^;
if S[1] = #249 then
begin
Application^.GetExtent(R);
case S[3] of
'F':
SSaver := New(PProjector, Init);
'B':
SSaver := New(PSSaver, Init(R));
'C':
SSaver := New(PClockSaver, Init);
else {case}
SSaver := New(PStarSkySaver, Init);
end {case};
if (SSaver <> nil) then
begin
if ExecView(SSaver) = cmCancel then
ExecExit;
Dispose(SSaver, Done);
SSaver := nil;
end;
end
else
CallExternalSaver(S);
end { TProgram.InsertAvIdlerN };
{$ENDIF}
procedure TProgram.GetEvent(var Event: TEvent);
function ContainsMouse(P: PView): Boolean;
begin
ContainsMouse := (P^.State and sfVisible <> 0) and
P^.MouseInView(Event.Where);
end;
var
P: procedure;
R: TRect;
A1, A2, CursorY: SmallWord;
y1, y2: Integer;
{$IFDEF OS2}
FocusTmr: TEventTimer; {JO}
{$ENDIF}
label 11;
begin
11:
ShiftState := SysTVGetShiftState;
if EventsLen > 0 then
begin
Event := EventQueue[1];
Dec(EventsLen);
Move(EventQueue[2], EventQueue[1], SizeOf(Event)*EventsLen);
NewTimer(IdleSecs, 0);
{$IFDEF OS2}
NewTimer(FocusTmr, 450);
{$ENDIF}
SliceAwake;
end
else
begin
EventsLen := 0;
GetMouseEvent(Event);
if Event.What = evNothing then
begin
{$IFDEF DNPRG}
{AK155 ¥ ªâ¨¢®¬ ®ª®®¬ á®áâ®ï¨¨ ¥ ¤® ॠ£¨à®¢ âì
Shift, Alt, Ctrl. ¤® ¯à¥ªà â¨âì ®â«®¢ ª®¬¡¨ 権 ¢à®¤¥
¦ â¨ï ¨ ®â¯ã᪠¨ï Alt, çâ® ¥ ¥ ¯®¯ ¤ âì ¢ ¡ëáâàë© ¯®¨áª,
¥á«¨ ¯®ª¨ã«¨ DN ¯® Alt-Tab ¨ ¢¥à㫨áì ¯® Alt-Tab }
//JO: ¯®áª®«ìªã ¢ ®á¥¢®¬ VIO-®ª¥ ¨§-§ â ª®£® á¡p áë¢ ¨ï
// OldShiftState ¥ p ¡®â ¥â ªâ¨¢¨§ æ¨ï ¡ëáâp®£® ¯®¨áª
// ¯® Alt-Alt, â® ¤¥« ¥¬ ¥£® ¯® â ©¬¥pã, ç⮡ë ãᯥâì ®âp ¡®â âì
// íâã ª®¬¡¨ æ¨î ª« ¢¨è
GetKeyEvent(Event);
if DN_IsBGWindow then
begin
{$IFDEF OS2}
if TimerExpired(FocusTmr) then
{$ENDIF}
begin
OldShiftState := 0;
DoubleAltUnlock := False;
DoubleCtrlUnlock := False;
end;
ClearEvent(Event);
end
else
{$ENDIF}
begin
{$IFDEF OS2}
NewTimer(FocusTmr, 450);
{$ENDIF}
end;
if Event.What = evNothing then
begin
Idle;
if EventsLen > 0 then
goto 11;
if (ElapsedTime(IdleSecs) > 3600*1000) and
(StartupData.Unload and osuInactivityExit <> 0)
then
begin
ExecExit;
end;
end
else
begin
NewTimer(IdleSecs, 0);
{$IFDEF OS2}
NewTimer(FocusTmr, 450);
{$ENDIF}
SliceAwake;
end;
end
else
begin
NewTimer(IdleSecs, 0);
{$IFDEF OS2}
NewTimer(FocusTmr, 450);
{$ENDIF}
SliceAwake;
end;