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{
*****************************************************************************
* MUIBaseUnit.pas *
* -------------- *
* Base MUI objects and application object *
* *
*****************************************************************************
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
unit MUIBaseUnit;
{$mode objfpc}{$H+}
interface
uses
Classes, dos, SysUtils, Controls, Contnrs, Types, graphics, Math,
{$ifdef HASAMIGA}
Exec, AmigaDos, agraphics, Intuition, Utility, Mui, inputevent, KeyMap, diskfont, layers,
{$if defined(MorphOS) or defined(Amiga68k)}
AmigaLib,
{$endif}
{$endif}
muiglobal, tagsparamshelper,
Forms, LCLMessageGlue, lcltype, LMessages, interfacebase, muidrawing;
{.$define CHECKOBJECTS} // reports not freed MUIObjects on exit
type
TMUICaret = class
Shown: Boolean;
Left: Integer;
Top: Integer;
Width: Integer;
Height: Integer;
end;
{ TMUIObject }
TMUIObject = class
private
//Parent
FParent: TMUIObject;
// AWinControl lcl-Object
FPasObject: TControl;
FOnDraw: TNotifyEvent;
FMuiCanvas: TMUICanvas;
HookList: array of PHook;
protected
//Position
FLeft, FTop, FWidth, FHeight: longint;
//
FVisible: Boolean;
LayoutHook: THook;
FGrpObj: pObject_;
procedure ConnectHook(MUIField: PtrUInt; TriggerValue: PtrUInt; HookFunc: THookFunc);
procedure ConnectHookObject(Obj: PObject_; MUIField: PtrUInt; TriggerValue: PtrUInt; HookFunc: THookFunc);
procedure SetAttribute(const Tags: array of NativeUInt); overload;
procedure SetAttribute(Tag: LongWord; Data: NativeUInt); overload;
procedure SetAttribute(Tag: LongWord; Data: Boolean); overload;
procedure SetAttribute(Tag: LongWord; Data: Pointer); overload;
function GetAttribute(Tag: longword): NativeUInt;
procedure SetAttObj(obje: pObject_; const Tags: array of NativeUInt);
function GetAttObj(obje: pObject_; Tag: longword): NativeUInt;
// DoMethod(Params = [MethodID, Parameter for Method ...])
function DoMethod(const Params: array of NativeUInt): longint;
procedure SetParent(const AValue: TMUIObject); virtual;
procedure AddChild(ChildObj: PObject_); virtual;
procedure RemoveChild(ChildObj: PObject_); virtual;
procedure SetVisible(const AValue: boolean); virtual;
function GetVisible: boolean; virtual;
function GetEnabled: boolean; virtual;
procedure SetEnabled(const AValue: boolean); virtual;
procedure SetLeft(ALeft: integer); virtual;
procedure SetTop(ATop: integer); virtual;
procedure SetWidth(AWidth: integer); virtual;
procedure SetHeight(AHeight: integer); virtual;
function GetTop(): Integer; virtual;
function GetLeft(): Integer; virtual;
function GetWidth(): integer; virtual;
function GetHeight(): integer; virtual;
procedure InstallHooks; virtual;
procedure DoReDraw(); virtual;
procedure DoChildRedraw(); virtual;
//
procedure BasicInitOnCreate(); virtual;
procedure SetScrollbarPos;
function GetParentWindow: TMUIObject; virtual;
function GetFocusObject: PObject_; virtual;
public
FirstPaint: Boolean;
EHNode: PMUI_EventHandlerNode;
FChilds: TObjectList;
FObject: pObject_;
BlockRedraw: boolean;
MUIDrawing: Boolean;
Caret: TMUICaret;
LastClick: Int64; // time of the last click -> for double click events
NumMoves: Integer; // max 3 movements before lastclick is deleted;
VScroll, HScroll: TMUIObject;
VScrollPos, HScrollPos: Integer;
constructor Create(ObjType: longint; const Params: TAParamList); overload; reintroduce; virtual;
constructor Create(AClassName: PChar; const Tags: TATagList); overload; reintroduce; virtual;
constructor Create(AClassType: PIClass; const Tags: TATagList); overload; reintroduce; virtual;
destructor Destroy; override;
procedure SetOwnSize; virtual;
procedure Redraw; virtual;
procedure DoMUIDraw; virtual;
function GetClientRect: TRect; virtual;
function GetWindowOffset: Types.TPoint; virtual;
// scrollbars
procedure CreateScrollbars;
class function DoMethodObj(Obje: pObject_; const Params: array of NativeUInt): longint;
property Parent: TMUIObject read FParent write SetParent;
property Left: longint read GetLeft write SetLeft;
property Top: longint read GetTop write SetTop;
property Width: longint read GetWidth write SetWidth;
property Height: longint read GetHeight write SetHeight;
property Obj: pObject_ read FObject write FObject;
property GrpObj: pObject_ read FGrpObj;
property PasObject: TControl read FPasObject write FPasObject;
property Visible: boolean read GetVisible write SetVisible;
property Enabled: boolean read GetEnabled write SetEnabled;
property MUICanvas: TMUICanvas read FMUICanvas;
property FocusObject: PObject_ read GetFocusObject;
property OnDraw: TNotifyEvent read FOnDraw write FOnDraw;
end;
TMUIWinControl = class
PasObject: TWinControl;
Parent: TMUIObject;
end;
{ TMuiArea }
TMuiArea = class(TMUIObject)
private
FCaption: string;
protected
FColor: TColor;
function GetChecked: Boolean; virtual;
procedure SetChecked(const AValue: Boolean); virtual;
function GetCaption: string; virtual;
function GetDragable: boolean; virtual;
function GetDropable: boolean; virtual;
function GetEnabled: boolean; override;
function GetHint: string; virtual;
function GetTabStop: boolean; virtual;
procedure SetCaption(const AValue: string); virtual;
procedure SetDragable(const AValue: boolean); virtual;
procedure SetDropable(const AValue: boolean); virtual;
procedure SetEnabled(const AValue: boolean); override;
procedure SetHint(const AValue: string); virtual;
procedure SetTabStop(const AValue: boolean); virtual;
procedure SetColor(const AValue: TColor); virtual;
public
FBlockChecked: Boolean;
property Caption: string read GetCaption write SetCaption;
property Enabled: boolean read GetEnabled write SetEnabled;
property Dragable: boolean read GetDragable write SetDragable;
property Dropable: boolean read GetDropable write SetDropable;
property Hint: string read GetHint write SetHint;
property Checked: Boolean read GetChecked write SetChecked;
property TabStop: boolean read GetTabStop write SetTabStop;
property Color: TColor read FColor write SetColor;
end;
TMUIGroup = class(TMUIArea)
end;
{ TMUITimer }
TMUITimer = class
Func: TWSTimerProc;
StartTime: Int64;
InterVal: Int64;
Handle: THandle;
function CheckTimer: Boolean;
end;
{ TMuiApplication }
TRexxMsgEvent = function(Msg: string; out ReturnMsg: string): LongInt of object;
TMuiApplication = class(TMUIObject)
private
FOnRexxMsg: TRexxMsgEvent;
FThreadID: TThreadID;
FTerminated: boolean;
FSignals: longword;
FMainWin: pObject_;
FTimers: TObjectList;
FInvalidatedObjects: TObjectList;
FInsidePaint: Boolean;
InRedrawList: Boolean;
FRexxHook: THook;
FObjectsToDestroy: Classes.TList;
function GetIconified: boolean;
procedure SetIconified(const AValue: boolean);
procedure CheckTimer;
function GotRexxMsg(Param: string; out ReturnText: string): LongInt;
protected
procedure AddChild(ChildObj: PObject_); override;
procedure RemoveChild(ChildObj: PObject_); override;
procedure InstallHooks; override;
public
constructor Create(const Tags: TATagList); overload; reintroduce; virtual;
destructor Destroy; override;
procedure DoMUIDraw; override;
function NewInput(Signals: PLongword): longword;
procedure ProcessMessages;
procedure WaitMessages;
function CreateTimer(Interval: integer; TimerFunc: TWSTimerProc): THandle;
function DestroyTimer(TimerHandle: THandle): boolean;
procedure AddInvalidatedObject(AObj: TMUIObject);
procedure RemInvalidatedObject(AObj: TMUIObject);
procedure RedrawList;
procedure AddDestroyObj(DestroyObj: PObject_);
procedure DestroyPendingObjs;
//
property MainWin: pObject_ read FMainWin;
property Terminated: boolean read FTerminated write FTerminated;
property Iconified: boolean read GetIconified write SetIconified;
property InsidePaint: Boolean read FInsidePaint write FInsidePaint;
property OnRexxMsg: TRexxMsgEvent read FOnRexxMsg write FOnRexxMsg;
end;
function TColorToImageSpec(ACol: TColor): string;
var
MUIApp: TMuiApplication;
UseAmigaAlpha: Boolean = True;
LCLGroupClass: PIClass;
LCLClass: PMUI_CustomClass;
KeyState: Integer = 0;
CaptureObj: TMUIObject = nil;
{$ifdef CHECKOBJECTS}
AllItems: Classes.TList;
{$endif}
BlockLayout: Boolean = False;
implementation
uses
muiformsunit, muistdctrls, muiint;
procedure TMUIObject.ConnectHook(MUIField: PtrUInt; TriggerValue: PtrUInt; HookFunc: THookFunc);
var
Idx: Integer;
begin
Idx := Length(HookList);
SetLength(HookList, Idx + 1);
New(HookList[Idx]);
ConnectHookFunction(MUIField, TriggerValue, FObject, Self, HookList[Idx], HookFunc);
end;
procedure TMUIObject.ConnectHookObject(Obj: PObject_; MUIField: PtrUInt; TriggerValue: PtrUInt; HookFunc: THookFunc);
var
Idx: Integer;
begin
Idx := Length(HookList);
SetLength(HookList, Idx + 1);
New(HookList[Idx]);
ConnectHookFunction(MUIField, TriggerValue, Obj, Self, HookList[Idx], HookFunc);
end;
function BtnDownFunc(Hook: PHook; Obj: PObject_; Msg: Pointer): LongInt;
var
MuiObject: TMuiObject;
begin
Result := 0;
//writeln('-->btndown');
if TObject(Hook^.h_Data) is TMuiObject then
begin
MuiObject := TMuiObject(Hook^.h_Data);
Result := LCLSendMouseDownMsg(TControl(MuiObject.PasObject), 0, 0, mbLeft, []);
end;
//writeln('<--btndown');
end;
function BtnUpFunc(Hook: PHook; Obj: PObject_; Msg: Pointer): LongInt;
var
MuiObject: TMuiObject;
begin
//writeln('-->btnup');
if TObject(Hook^.h_Data) is TMuiObject then
begin
MuiObject := TMuiObject(Hook^.h_Data);
LCLSendMouseUpMsg(TControl(MuiObject.PasObject), 0, 0, mbLeft, []);
Result := LCLSendClickedMsg(TControl(MuiObject.PasObject));
end;
//writeln('<--btnup');
end;
{ TMUITimer }
function TMUITimer.CheckTimer: Boolean;
var
t: Int64;
begin
Result := False;
t := GetLCLTime;
if t - StartTime >= Interval then
begin
if Assigned(Func) then
Func;
StartTime := t;
Result := True;
end;
end;
{ TMUIObject }
// search for the parent window (can be many Parent relations)
// or nil if it is not connected to a Window
function TMUIObject.GetParentWindow: TMUIObject;
begin
Result := Self;
while Assigned(Result) and (not (Result is TMUIWindow)) do
begin
Result := Result.Parent;
end;
end;
// Object which should get the focus on Set Focus (for combined things)
function TMUIObject.GetFocusObject: PObject_;
begin
Result := FObject;
end;
procedure TMUIObject.SetParent(const AValue: TMUIObject);
var
Win: TMUIObject;
begin
//Writeln(self.classname, 'Set Parent: ', HexStr(AValue));
if FParent = AValue then
begin
//writeln('same');
Exit;
end;
// Unlink the old Parent
if Assigned(FParent) then
begin
// if the Widget is the Focused Control, we have to remove it
// or we will earn a crash after it gets destroyed or so
// destroy always make an SetParent(nil)
Win := GetParentWindow;
if Win is TMUIWindow then
begin
if TMUIWindow(Win).FocusedControl = self then
TMUIWindow(Win).FocusedControl := nil;
end;
if Assigned(Self.Obj) then
FParent.RemoveChild(Self.obj);
FParent.FChilds.Remove(Self);
FParent := nil;
end;
// Link the new Parent
if Assigned(AValue) then
begin
//write(' New: ', AValue.Classname, ' assigned: ', Assigned(AValue.FChilds));
AValue.FChilds.Add(Self);
if Assigned(Self.Obj) then
AValue.AddChild(Self.Obj);
FParent := AValue;
end;
//writeln(' done.');
end;
function TMUIObject.GetVisible: boolean;
begin
//writeln('getvis');
// Seems ShowMe is Buggy, always returns true
{$ifdef AROS}
Result := boolean(GetAttribute(MUIA_ShowMe));
{$else}
Result := FVisible;
{$endif}
end;
procedure TMUIObject.SetVisible(const AValue: boolean);
begin
if not AValue then
FirstPaint := True;
SetAttribute(MUIA_ShowMe, AValue);
FVisible := AValue;
end;
procedure TMUIObject.SetLeft(ALeft: integer);
begin
FLeft := ALeft;
SetScrollbarPos();
if Assigned(Parent) then
MUIApp.AddInvalidatedObject(Parent);
end;
procedure TMUIObject.SetTop(ATop: integer);
begin
FTop := ATop;
SetScrollbarPos();
if Assigned(Parent) then
MUIApp.AddInvalidatedObject(Parent);
end;
procedure TMUIObject.SetWidth(AWidth: integer);
begin
FWidth := AWidth;
SetScrollbarPos();
if Assigned(Parent) then
MUIApp.AddInvalidatedObject(Parent);
end;
procedure TMUIObject.SetHeight(AHeight: integer);
begin
FHeight := AHeight;
SetScrollbarPos();
if Assigned(Parent) then
MUIApp.AddInvalidatedObject(Parent);
end;
function TMUIObject.GetTop(): Integer;
begin
Result := FTop;
end;
function TMUIObject.GetLeft(): Integer;
begin
Result := FLeft;
end;
function TMUIObject.GetWidth(): integer;
begin
Result := FWidth;
end;
function TMUIObject.GetHeight(): integer;
begin
Result := FHeight;
end;
procedure TMUIObject.DoReDraw();
var
PS: PPaintStruct;
begin
FMUICanvas.InitCanvas;
if Assigned(PasObject) then
begin
new(PS);
FillChar(PS^, SizeOf(TPaintStruct), 0);
PS^.hdc := THandle(Pointer(FMuiCanvas));
PS^.rcPaint := FMuiCanvas.DrawRect;
//writeln(self.classname, ' Send paintmessage to ', pasobject.classname);
MUIApp.InsidePaint := True;
try
if not MUIDrawing then
LCLSendEraseBackgroundMsg(TWinControl(PasObject), PS^.hdc);
LCLSendPaintMsg(TControl(PasObject), PS^.hdc, PS);
finally
MUIApp.InsidePaint := False;
end;
Dispose(PS);
end;
FMUICanvas.DeInitCanvas;
end;
procedure TMUIObject.DoChildRedraw();
var
i: integer;
begin
for i := 0 to FChilds.Count - 1 do
begin
if FChilds.Items[i] is TMUIObject then
begin
if TMuiObject(FChilds.Items[i]).Visible then
begin
//SysDebugln(IntToStr(i) + '. -->'+ FChilds[i].classname+ ' MUI Paint');
TMuiObject(FChilds[i]).DoMuiDraw;
//SysDebugln(IntToStr(i) + '. <--'+ FChilds[i].classname + ' MUI Paint');
end;
end;
end;
end;
procedure TMUIObject.DoMUIDraw();
begin
if Assigned(FObject) and (not BlockRedraw) and Visible then
begin
//MUI_Redraw(FObject, MADF_DRAWOBJECT);
// Hacky, not documented feature :-P Let MUI redraw everything
//SysDebugln('--> '+ classname+ ' MUI Paint');
MUI_Redraw(FObject, $805);
//SysDebugln('<-- '+ classname+ ' MUI Paint');
end;
end;
function TMUIObject.GetClientRect: TRect;
begin
Result.Left := GetAttribute(MUIA_InnerLeft);
Result.Top := GetAttribute(MUIA_InnerTop);
Result.Right:= FWidth - GetAttribute(MUIA_InnerRight);
Result.Bottom := FHeight - GetAttribute(MUIA_InnerBottom);
if Assigned(VSCroll) and Assigned(VScroll) then
begin
if VScroll.Visible then
Result.Right:= Result.Right - VScroll.Width;
if HScroll.Visible then
Result.Bottom := Result.Bottom - HScroll.Height;
end;
end;
function TMUIObject.GetWindowOffset: Types.TPoint;
var
P: Types.TPoint;
begin
Result.X := Left;
Result.Y := Top;
if Assigned(Parent) then
begin
P := Parent.GetWindowOffset;
Result.X := Result.X + P.X;
Result.Y := Result.Y + P.Y;
end;
end;
procedure TMUIObject.SetAttObj(obje: pObject_; const Tags: array of NativeUInt);
var
TagList: TATagList;
begin
if Assigned(Obje) then
begin
TagList.AddTags(Tags);
SetAttrsA(obje, TagList);
end;
end;
function TMUIObject.GetAttObj(obje: pObject_; tag: LongWord): NativeUInt;
var
Res: NativeUInt;
begin
Res := 0;
if Assigned(Obje) then
begin
GetAttr(tag, obje, @Res);
Result := Res;
end;
end;
class function TMUIObject.DoMethodObj(Obje: pObject_; const Params: array of NativeUInt): longint;
begin
if Assigned(Obje) then
begin
Result := DoMethodA(Obje, @Params);
end;
end;
function TMUIObject.GetEnabled: boolean;
begin
Result := not boolean(GetAttribute(MUIA_Disabled));
end;
procedure TMUIObject.SetEnabled(const AValue: boolean);
begin
SetAttribute(MUIA_Disabled, not AValue);
end;
procedure TMUIObject.SetAttribute(const Tags: array of NativeUInt);
var
TagList: TATagList;
begin
if Assigned(FObject) then
begin
TagList.AddTags(Tags);
SetAttrsA(FObject, TagList);
end;
end;
procedure TMUIObject.SetAttribute(Tag: LongWord; Data: NativeUInt);
var
Tags: TATagList;
begin
if Assigned(FObject) then
begin
Tags.AddTag(Tag, Data);
SetAttrsA(FObject, Tags);
end;
end;
procedure TMUIObject.SetAttribute(Tag: LongWord; Data: Boolean);
var
TagList: TATagList;
begin
if Assigned(FObject) then
begin
TagList.AddTag(Tag, IfThen(Data, TagTrue, TagFalse));
SetAttrsA(FObject, TagList);
end;
end;
procedure TMUIObject.SetAttribute(Tag: LongWord; Data: Pointer);
var
TagList: TATagList;
begin
if Assigned(FObject) then
begin
TagList.AddTag(Tag, NativeUInt(Data));
SetAttrsA(FObject, TagList);
end;
end;
function TMUIObject.GetAttribute(tag: longword): NativeUInt;
var
Res: NativeUInt;
begin
Res := 0;
if Assigned(FObject) then
GetAttr(tag, FObject, @Res);
Result := Res;
end;
function TMUIObject.DoMethod(const Params: array of NativeUInt): longint;
begin
if Assigned(FObject) then
begin
Result := DoMethodA(FObject, @Params);
end;
end;
procedure TMUIObject.AddChild(ChildObj: PObject_);
begin
if Assigned(ChildObj) then
begin
DoMethod([NativeUInt(MUIM_Group_InitChange)]);
DoMethod([NativeUInt(OM_ADDMEMBER), NativeUInt(ChildObj)]);
DoMethod([NativeUInt(MUIM_Group_ExitChange)]);
end;
end;
procedure TMUIObject.RemoveChild(ChildObj: PObject_);
begin
if Assigned(ChildObj) then
begin
//sysdebugln('Remove Child: ' + self.classname +' addr:' + HexStr(FObject));
//DoMethod([NativeUInt(MUIM_Group_InitChange)]);
DoMethod([NativeUInt(OM_REMMEMBER), NativeUInt(ChildObj)]);
//DoMethod([NativeUInt(MUIM_Group_ExitChange)]);
end;
end;
function PanelLayoutFunc(Hook: PHook; Obj: PObject_; Msg:Pointer): Longint;
var
LMsg: pMUI_LayoutMsg;
i: LongInt;
MUIObj: TMuiObject;
Miw, Mih: Integer;
begin
LMsg := Msg;
Result := LongInt(True);
MUIObj := TMuiObject(Hook^.h_Data);
case LMsg^.lm_type of
MUILM_MINMAX: begin
begin
MiW := MUIObj.Width;
MiH := MUIObj.Height;
LMsg^.lm_MinMax.MinWidth := 1;
LMsg^.lm_MinMax.MinHeight := 1;
LMsg^.lm_MinMax.MaxWidth := MUI_MAXMAX;
LMsg^.lm_MinMax.MaxHeight := MUI_MAXMAX;
LMsg^.lm_MinMax.DefWidth := MiW;
LMsg^.lm_MinMax.DefHeight := MiH;
end;
TWinControl(MUIObj.PasObject).Realign;
end;
MUILM_LAYOUT:
begin
for i:= 0 to MUIObj.FChilds.Count - 1 do
begin
if MUIObj.FChilds.Items[i] is TMUIObject then
TMuiObject(MUIObj.FChilds.Items[i]).SetOwnSize;
end;
end;
end;
end;
procedure TMUIObject.InstallHooks;
begin
//writeln(self.classname, ' create obj ', HexStr(FObject));
ConnectHook(MUIA_Pressed, TagTrue, @BtnDownFunc);
ConnectHook(MUIA_Pressed, TagFalse, @BtnUpFunc);
end;
procedure TMUIObject.BasicInitOnCreate();
begin
{$ifdef CHECKOBJECTS}
AllItems.Add(Self);
{$endif}
Caret := nil;
EHNode := nil;
MUIDrawing := False;
FMUICanvas := TMUICanvas.Create;
FMUICanvas.MUIObject := self;
BlockRedraw := False;
FChilds := TObjectList.Create(False);
FParent := nil;
VScroll := nil;
HSCroll := nil;
FirstPaint := True;
end;
constructor TMUIObject.Create(ObjType: LongInt; const Params: TAParamList);
begin
inherited Create;
BasicInitOnCreate;
//SysDebugln(self.classname + 'create Type '+ IntToStr(ObjType));
//writeln(self.classname, ' create obj ', ObjType);
FObject := MUI_MakeObjectA(ObjType, Params.GetParamPointer);
if not Assigned(FObject) then
raise EInvalidOperation.Create(Self.Classname + ': Unable to Create Object Type: ' + IntToStr(ObjType));
InstallHooks;
//writeln('create obj: ',self.classname,' addr:', inttoHex(Cardinal(FObject),8));
end;
constructor TMUIObject.Create(AClassName: PChar; const Tags: TATagList);
begin
inherited Create;
BasicInitOnCreate();
//writeln(self.classname, ' create obj class ', AClassName);
//SysDebugln(self.classname + 'create class ' + AClassName);
//Tags.DebugPrint;
FObject := MUI_NewObjectA(AClassName, Tags.GetTagPointer);
if not Assigned(FObject) then
raise EInvalidOperation.Create(Self.Classname + ': Unable to Create Object Class: ' + AClassName);
//writeln(' ----- ');
InstallHooks;
//writeln('create class: ',self.classname,' addr:', inttoHex(Cardinal(FObject),8));
end;
constructor TMUIObject.Create(AClassType: PIClass; const Tags: TATagList);
begin
inherited Create;
BasicInitOnCreate();
SetHook(LayoutHook, @PanelLayoutFunc, self);
Tags.AddTag(MUIA_Group_LayoutHook, NativeUInt(@LayoutHook));
//SysDebugln(self.classname + 'create Class Type $' + HexStr(AClassType));
//writeln(self.classname, ' create type');
FObject := NewObjectA(AClassType, nil, Tags.GetTagPointer);
if not Assigned(FObject) then
raise EInvalidOperation.Create(Self.Classname + ': Unable to own Create Object Class');
if Assigned(FObject) then
Pointer(INST_DATA(AClassType, Pointer(FObject))^) := Self;
InstallHooks;
//writeln('create classtype: ',self.classname,' addr:', inttoHex(Cardinal(FObject),8));
end;
destructor TMUIObject.Destroy;
var
i: Integer;
DestroyObj: PObject_;
OldParent: TMuiObject;
begin
{$ifdef CHECKOBJECTS}
AllItems.Remove(Self);
{$endif}
//writeln('destroy ', HexStr(PasObject));
if FocusWidget = HWnd(PasObject) then
FocusWidget := 0;
BlockRedraw := True;
BlockLayout := True;
//writeln(self.classname, '--> destroy');
if Assigned(HScroll) then
HScroll.Free;
if Assigned(VScroll) then
VScroll.Free;
HScroll := nil;
VScroll := nil;
//
DestroyObj := FObject;
OldParent := FParent;
FObject := nil;
//
//writeln(self.classname, ' 1');
if Assigned(OldParent) then
OldParent.RemoveChild(DestroyObj);
SetParent(nil);
//writeln(self.classname , ' 2 --- Destroy object ', HexStr(DestroyObj));
MuiApp.AddDestroyObj(DestroyObj);
DestroyObj := nil;
//if Assigned(DestroyObj) then
// MUI_DisposeObject(DestroyObj);
//writeln(self.classname, ' 3 ');
FChilds.Free;
FMUICanvas.Free;
if not (self is TMUIApplication) then
MUIApp.RemInvalidatedObject(Self);
for i := 0 to High(HookList) do
begin
if Assigned(HookList[i]) then
Dispose(HookList[i]);
HookList[i] := nil;
end;
SetLength(HookList, 0);
inherited;
BlockLayout := False;
//writeln(self.classname, '<-- muiobject destroy');
end;
procedure TMUIObject.CreateScrollbars;
var
Tags1, Tags2: TATagList;
begin
if not Assigned(VScroll) then
begin
Tags1.Clear;
Tags1.AddTags([MUIA_Group_Horiz, TagFalse]);
VScroll := TMUIScrollBar.Create(Tags1);
VScroll.PasObject := Self.PasObject;
VScroll.Parent := self;
{$ifdef Amiga}
VScroll.Visible := True;
{$else}
VScroll.Visible := False;
{$endif}
end;
//
if not Assigned(HScroll) then
begin
Tags2.Clear;
Tags2.AddTags([MUIA_Group_Horiz, TagTrue]);
HScroll := TMUIScrollBar.Create(Tags2);
HScroll.PasObject := Self.PasObject;
HScroll.Parent := Self;
HScroll.Visible := False;
end;
if PasObject is TWinControl then
TWinControl(pasobject).InvalidateClientRectCache(True);
SetScrollbarPos;
end;
procedure TMUIObject.SetScrollbarPos;
begin
if Assigned(VScroll) then
begin
VScroll.Width := 16;
VScroll.Left := FWidth - VScroll.Width;
VScroll.Top := 0;
VScroll.Height := FHeight;
end;
if Assigned(HScroll) then
begin
HScroll.Height := 18;
HScroll.Top := FHeight - HScroll.Height;
HScroll.Left := 0;
HScroll.Width := FWidth - 16;
end;
end;
procedure TMUIObject.SetOwnSize;
var
i: longint;
w,h: LongInt;
begin
//writeln(self.classname, '-->setownsize ', pasobject.classname);
if not Assigned(FObject) then
Exit;
if BlockRedraw or BlockLayout then
Exit;
w := Min(FWidth, OBJ_MaxWidth(FObject));
w := Max(w, OBJ_MinWidth(FObject));
h := Min(FHeight, OBJ_MaxHeight(FObject));
h := Max(h, OBJ_MinHeight(FObject));
//writeln(self.classname,' setsize ', FLeft, ', ', FTop, ' - ', FWidth, ', ', FHeight,' count: ', Fchilds.Count, ' obj ', pasobject.classname);
MUI_Layout(FObject, FLeft, FTop, w, h, 0);
//writeln(self.classname, ' setsize done');
for i := 0 to FChilds.Count - 1 do
begin
//writeln(self.classname, ' Child ', i);
if FChilds.Items[i] is TMUIObject then
TMuiObject(FChilds.Items[i]).SetOwnSize;
end;
//writeln(self.classname, '<--setownsize');
end;
procedure TMUIObject.Redraw;
begin
if BlockRedraw then
begin
Exit;
end;
DoMethod([NativeUInt(MUIM_Group_InitChange)]);
DoMethod([NativeUInt(MUIM_Group_ExitChange)]);
end;
{ TMuiApplication }
function TMuiApplication.GetIconified: boolean;
begin
Result := boolean(GetAttribute(MUIA_Application_Iconified));
end;
procedure TMuiApplication.SetIconified(const AValue: boolean);
begin
SetAttribute(MUIA_Application_Iconified, AValue);
end;
procedure TMuiApplication.CheckTimer;
var
i: Integer;
Num: Integer;
begin
i := 0;
Num := FTimers.Count;
while i < FTimers.Count do
begin
TMUITimer(FTimers.items[i]).CheckTimer;
if Num = FTimers.Count then
Inc(i)
else
Num := FTimers.Count;
end;
end;
procedure TMuiApplication.AddChild(ChildObj: PObject_);
begin
inherited AddChild(ChildObj);
if FMainWin = nil then
begin
FMainWin := ChildObj;
//SetAttribute(MUIA_Application_Window, ChildObj);
//CallHook(PHook(OCLASS(FMainWin)), FMainWin,
// [PtrInt(MUIM_Notify), PtrInt(MUIA_Window_CloseRequest), TagTrue,
// PtrInt(FObject), 2, PtrInt(MUIM_Application_ReturnID),
// PtrInt(MUIV_Application_ReturnID_Quit)]);
end;
end;
procedure TMuiApplication.RemoveChild(ChildObj: PObject_);
begin
inherited RemoveChild(ChildObj);
if ChildObj = FMainWin then
begin
FMainWin := nil;
//SetAttribute(MUIA_Application_Window, nil);
end;
end;
type
TRexxMsg = record
rm_Node: TMessage;
rm_TaskBlock: APTR;
rm_LibBase: APTR;
rm_Action: LongInt;
rm_Result1: LongInt;
rm_Result2: PtrInt;
rm_Args: array[0..15] of STRPTR;
rm_MsgPort: PMsgPort;
rm_CommAddr: STRPTR;
rm_FileExt: STRPTR;
rm_Stdin: BPTR;
rm_Stdout: BPTR;
rm_Avail: LongInt;
end;
PRexxMsg = ^TRexxMsg;
function RexxHookEvent(Hook: PHook; Obj: PObject_; Msg: Pointer): LongInt;
var
RexxMsg: PRexxMsg;
Txt: string;
begin
Result := 20;
if Assigned(Msg) then
begin
RexxMsg := Msg;
Txt := '';
Result := MuiApp.GotRexxMsg(RexxMsg^.rm_Args[0], Txt);
if Txt <> '' then
begin
Txt := Txt + #13#10;
doswrite(RexxMsg^.rm_Stdout, PChar(Txt), Length(Txt));
end;
end;
end;
function TMuiApplication.GotRexxMsg(Param: string; out ReturnText: string): LongInt;
begin
Result := 20;
ReturnText := 'Rexx not supported';
if Assigned(FOnRexxMsg) then
begin
ReturnText := '';
Result := FOnRexxMsg(Param, ReturnText);
end;
end;
procedure TMuiApplication.InstallHooks;
begin
SetHook(FRexxHook, @RexxHookEvent, Self);
SetAttribute(MUIA_Application_RexxHook, PtrUInt(@FRexxHook));
end;
constructor TMuiApplication.Create(const Tags: TATagList);
begin
FObjectsToDestroy := Classes.TList.Create;
//
inherited Create(MUIC_Application, Tags);
FThreadID := GetThreadId;
FSignals := 0;
FTimers := TObjectList.Create;
FTimers.OwnsObjects := True;
FInvalidatedObjects := TObjectList.Create;
FInvalidatedObjects.OwnsObjects := False;
InRedrawList := False;
end;
destructor TMuiApplication.Destroy;
begin
FTimers.Free;
FInvalidatedObjects.Free;
inherited Destroy;
DestroyPendingObjs;
FObjectsToDestroy.Free;
end;
procedure TMuiApplication.DestroyPendingObjs;
var
i: Integer;
begin
for i := 0 to FObjectsToDestroy.Count - 1 do
begin
MUI_DisposeObject(FObjectsToDestroy[i]);
end;
FObjectsToDestroy.Clear;
end;
procedure TMuiApplication.AddDestroyObj(DestroyObj: PObject_);
begin
if Assigned(DestroyObj) then
FObjectsToDestroy.Add(DestroyObj);
end;
function TMuiApplication.NewInput(Signals: PLongword): longword;
begin
Result := DoMethod([NativeUInt(Signals)]);
end;
procedure TMuiApplication.DoMUIDraw;
begin
//writeln('MUI Draw for application called');
end;
procedure TMuiApplication.ProcessMessages;
begin
if GetThreadId <> FThreadID then
SysDebugln('ProcessMessages called inside a Thread');
RedrawList;
CheckTimer;
if PtrInt(DoMethod([MUIM_Application_NewInput, PtrUInt(@FSignals)])) =
MUIV_Application_ReturnID_Quit then
begin
//writeln('got terminate1'); // no need to terminate self, LCL will do it for us
//Application.Terminate;
Exit;
end;
end;
procedure TMuiApplication.WaitMessages;
begin
if GetThreadId <> FThreadID then
SysDebugln('ProcessMessages called inside a Thread');
RedrawList;
CheckTimer;
if DoMethod([MUIM_Application_NewInput, PtrUInt(@FSignals)]) =
MUIV_Application_ReturnID_Quit then
begin
//writeln('got terminate2');
//Application.Terminate;
Exit;
end;
if (FSignals <> 0) then
begin
FSignals := CheckSignal(FSignals or SIGBREAKF_CTRL_C);
if FTerminated or ((FSignals and SIGBREAKF_CTRL_C) <> 0) then
begin
//writeln('got terminate3');
Application.Terminate;
Exit;
end;
Sleep(25);
end;
CheckTimer;
end;
function TMuiApplication.CreateTimer(Interval: integer; TimerFunc: TWSTimerProc
): THandle;
var
NewTimer: TMUITimer;
begin
NewTimer := TMUITimer.create;
NewTimer.StartTime := GetLCLTime;
NewTimer.Interval := Interval;
NewTimer.Func := TimerFunc;
NewTimer.Handle := THandle(NewTimer);
FTimers.Add(NewTimer);
Result := NewTimer.Handle;
end;
function TMuiApplication.DestroyTimer(TimerHandle: THandle): boolean;
begin
Result := True;
if TimerHandle <> 0 then
FTimers.Remove(TObject(TimerHandle));
end;
procedure TMuiApplication.AddInvalidatedObject(AObj: TMUIObject);
var
Index: Integer;
PObj: TMUIObject;
begin
if not Assigned(AObj) then
Exit;
PObj := AObj;
while Assigned(PObj) do
begin
Index := FInvalidatedObjects.IndexOf(AObj);
if Index >= 0 then
Exit;
PObj := PObj.Parent;
end;
FInvalidatedObjects.Add(AObj);
end;
procedure TMuiApplication.RemInvalidatedObject(AObj: TMUIObject);
var
Index: Integer;
begin
if not Assigned(AObj) then
Exit;
Index := FInvalidatedObjects.IndexOf(AObj);
if Index < 0 then
Exit;
FInvalidatedObjects.Delete(Index);
end;
procedure TMuiApplication.RedrawList;
var
ActObj: TMUIObject;
begin
if InRedrawList then
Exit;
InRedrawList := True;
try
while FInvalidatedObjects.Count > 0 do
begin
ActObj := TMUIObject(FInvalidatedObjects.Items[0]);
FInvalidatedObjects.Delete(0);
ActObj.DoMUIDraw;
end;
finally
InRedrawList := False;
end;
end;
{ TMuiArea }
function TMuiArea.GetChecked: Boolean;
begin
Result := boolean(GetAttribute(MUIA_Selected));
end;
procedure TMuiArea.SetChecked(const AValue: Boolean);
begin
if Checked = AValue then
Exit;
FBlockChecked := True;
SetAttribute(MUIA_Selected, AValue);
FBlockChecked := False;
end;
function TMuiArea.GetCaption: string;
var
Pc: PChar;
begin
// removed as long MorphOS Crashes at this point
//Result := '';
//Pc := PChar(GetAttribute(MUIA_Text_Contents));
//if Assigned(PC) then
Result := FCaption;//string(Pc);
end;
function TMuiArea.GetDragable: boolean;
begin
Result := boolean(GetAttribute(MUIA_Draggable));
end;
function TMuiArea.GetDropable: boolean;
begin
Result := boolean(GetAttribute(MUIA_Dropable));
end;
function TMuiArea.GetEnabled: boolean;
begin
Result := not boolean(GetAttribute(MUIA_Disabled));
end;
function TMuiArea.GetHint: string;
begin
Result := string(PChar(GetAttribute(MUIA_ShortHelp)));
end;
procedure TMuiArea.SetCaption(const AValue: string);
begin
FCaption := AValue;
SetAttribute(MUIA_Text_Contents, PChar(FCaption));
end;
procedure TMuiArea.SetDragable(const AValue: boolean);
begin
SetAttribute(MUIA_Draggable, AValue);
end;
procedure TMuiArea.SetDropable(const AValue: boolean);
begin
SetAttribute(MUIA_Dropable, AValue);
end;
procedure TMuiArea.SetEnabled(const AValue: boolean);
begin
SetAttribute(MUIA_Disabled, not AValue);
end;
procedure TMuiArea.SetHint(const AValue: string);
begin
SetAttribute(MUIA_ShortHelp, PChar(AValue));
end;
function TMuiArea.GetTabStop: boolean;
begin
Result := GetAttribute(NativeUInt(MUIA_CycleChain)) <> 0;
end;
procedure TMuiArea.SetTabStop(const AValue: boolean);
begin
SetAttribute(MUIA_CycleChain, AValue);
end;
function TColorToImageSpec(ACol: TColor): string;
var
r,g,b: Byte;
begin
if ACol and $FF000000 <> 0 then
ACol := Widgetset.GetSysColor((ACol and $1F));
r := Red(ACol);
g := Green(ACol);
b := Blue(ACol);
Result := '2:' +
IntToHex(r,2) + IntToHex(r,2) + IntToHex(r,2) + IntToHex(r,2) +',' +
IntToHex(g,2) + IntToHex(g,2) + IntToHex(g,2) + IntToHex(g,2) +',' +
IntToHex(b,2) + IntToHex(b,2) + IntToHex(b,2) + IntToHex(b,2);
end;
procedure TMUIArea.SetColor(const AValue: TColor);
var
ColSet: string;
begin
FColor := AValue;
if AValue = clNone then
exit;
if FColor = clDefault then
FColor := clBtnFace;
if FColor <> clNone then
begin
ColSet := TColorToImageSpec(FColor);
SetAttribute(MUIA_Background, PChar(ColSet));
end;
end;
{$PACKRECORDS 4}
type
TehNode = record
ehn_Node: TNode;
ehn_Flags: Word;
ehn_Object: PObject_;
ehn_Class: PIClass;
ehn_Events: ULONG;
ehn_Priority: Byte;
end;
function RawKeyToKeycode(RawKey: Byte): Word;
const
TranslTable: array[Byte] of Integer = (
-1, // $00
49, // $01 1
50, // $02 2
51, // $03 3
52, // $04 4
53, // $05 5
54, // $06 6
55, // $07 7
56, // $08 8
57, // $09 9
58, // $0a 0
59, // $0b
187, // $0c //VK_CLEAR?
VK_Return, // $0d
-1, // $0e
VK_NUMPAD0, // $0f
-1, // $10
-1, // $11
-1, // $12 e
-1, // $13
-1, // $14
-1, // $15
-1, // $16
-1, // $17
-1, // $18
-1, // $19
-1, // $1a
-1, // $1b
-1, // $1c
VK_NUMPAD1, // $1d
VK_NUMPAD2, // $1e
VK_NUMPAD3, //keyModeSwitch, // $1f
-1, // $20 a
-1,//keyPrior, // $21
-1, // $22 d
-1, // $23
-1, // $24
-1, // $25
-1, // $26
-1, // $27
-1, // $28
VK_Select, // $29
145,//keyPrintScreen, // $2a
146, //keyExecute, // $2b
147, //keyPrintScreen, // $2c
VK_NUMPAD4, // $2d
VK_NUMPAD5, // $2e
VK_NUMPAD6, // $2f
-1, // $30
-1, // $31
-1, // $32
-1, // $33 c
-1, // $34
-1, // $35 b
-1, // $36
-1, // $37
188, // $38
190, // $39
189, // $3a
-1, // $3b
$6c, // $3c
VK_NUMPAD7, // $3d
VK_NUMPAD8, // $3e
VK_NUMPAD9, // $3f
$20, // $40
VK_BACK, // $41
VK_TAB, // $42
-1, // $43
-1, // $44
-1, // $45
VK_DELETE, // $46
VK_INSERT, // $47
VK_PRIOR, // $48
VK_NEXT, // $49
-1, // $4a
VK_F11, // $4b 'K'
VK_Up, // $4c 'L'
VK_Down, // $4d 'M'
VK_Right, // $4e 'N'
VK_Left, // $4f 'O'
VK_F1, // $50 'P'
VK_F2, // $51 'Q'
VK_F3, // $52 'R'
VK_F4, // $53 'S'
VK_F5, // $54 'T'
VK_F6, // $55 'U'
VK_F7, // $56 'V'
VK_F8, // $57 'W'
VK_F9, // $58 'X'
VK_F10, // $59 'Y'
VK_NumLock, // $5a 'Z'
VK_DIVIDE, // $5b VK_LWIN
VK_MULTIPLY, // $5c VK_RWIN
VK_SUBTRACT, // $5d VK_APPS
VK_ADD, // $5e
VK_Pause, // $5f VK_SLEEP
VK_LShift, // $60
VK_LShift, // $61
VK_CAPITAL, // $62
VK_CONTROL, // $63
VK_MENU, // $64
$e6,//VK_RMENU, // $65
VK_LWIN, // $66
VK_RWIN, //VK_P7, // $67
-1, //VK_P8, // $68
-1, //VK_P9, // $69
-1, //VK_PAsterisk, // $6a
-1, //VK_PPlus, // $6b
-1, //VK_PSeparator, // $6c
-1, //VK_PMinus, // $6d
-1, //VK_PDecimal, // $6eL
VK_F12, // $6f
VK_Home, // $70 VK_F1
VK_End, // $71 VK_F2
-1, // $72 VK_F3
-1, // $73 VK_F4
-1, // $74 VK_F5
-1, // $75 VK_F6
-1, // $76 VK_F7
-1, // $77 VK_F8
-1, // $78 VK_F9
-1, // $79 VK_F10
-1, // $7a VK_F11
VK_F12, // $7b VK_F12
VK_F13, // $7c VK_F13
VK_F14, // $7d VK_F14
VK_F15, // $7e VK_F15
VK_F16, // $7f VK_F16
VK_F17, // $80 VK_F17
VK_F18, // $81 VK_F18
VK_F19, // $82 VK_F19
VK_F20, // $83 VK_F20
VK_F21, // $84 VK_F21
VK_F22, // $85 VK_F22
VK_F23, // $86 VK_F23
VK_F24, // $87 VK_F24
-1, // $88
-1, // $89
-1, // $8a
-1, // $8b
-1, // $8c
-1, // $8d
-1, // $8e
-1, // $8f
VK_NumLock, // $90 VK_NUMLOCK
VK_Scroll, // $91 VK_SCROLL
-1, // $92 VK_OEM_NEC_EQUAL
-1, // $93 VK_OEM_FJ_MASSHOU
-1, // $94 VK_OEM_FJ_TOUROKU
-1, // $95 VK_OEM_FJ_LOYA
-1, // $96 VK_OEM_FJ_ROYA
-1, // $97
-1, // $98
-1, // $99
-1, // $9a
-1, // $9b
-1, // $9c
-1, // $9d
-1, // $9e
-1, // $9f
-1, //VK_ShiftL, // $a0 VK_LSHIFT
-1, //VK_ShiftR, // $a1 VK_RSHIFT
-1, //VK_CtrlL, // $a2 VK_LCONTROL
-1, //VK_CtrlR, // $a3 VK_RCONTROL
-1, // $a4 VK_LMENU
-1, // $a5 VK_RMENU
-1, // $a6 VK_BROWSER_BACK
-1, // $a7 VK_BROWSER_FORWARD
-1, // $a8 VK_BROWSER_REFRESH
-1, // $a9 VK_BROWSER_STOP
-1, // $aa VK_BROWSER_SEARCH
-1, // $ab VK_BROWSER_FAVORITES
-1, // $ac VK_BROWSER_HOME
-1, // $ad VK_VOLUME_MUTE
-1, // $ae VK_VOLUME_DOWN
-1, // $af VK_VOLUME_UP
-1, // $b0 VK_MEDIA_NEXT_TRACK
-1, // $b1 VK_MEDIA_PREV_TRACK
-1, // $b2 VK_MEDIA_STOP
-1, // $b3 VK_MEDIA_PLAY_PAUSE
-1, // $b4 VK_LAUNCH_MAIL
-1, // $b5 VK_LAUNCH_MEDIA_SELECT
-1, // $b6 VK_LAUNCH_APP1
-1, // $b7 VK_LAUNCH_APP2
-1, // $b8
-1, // $b9
-1, {U Umlaut} // $ba VK_OEM_1
-1, {+ char} // $bb VK_OEM_PLUS
-1, {, char} // $bc VK_OEM_COMMA
-1, {- char} // $bd VK_OEM_MINUS
-1, {. char} // $be VK_OEM_PERIOD
-1, {# char} // $bf VK_OEM_2
-1, {O Umlaut} // $c0 VK_OEM_3
-1, // $c1
-1, // $c2
-1, // $c3
-1, // $c4
-1, // $c5
-1, // $c6
-1, // $c7
-1, // $c8
-1, // $c9
-1, // $ca
-1, // $cb
-1, // $cc
-1, // $cd
-1, // $ce
-1, // $cf
-1, // $d0
-1, // $d1
-1, // $d2
-1, // $d3
-1, // $d4
-1, // $d5
-1, // $d6
-1, // $d7
-1, // $d8
-1, // $d9
-1, // $da
-1, // $db VK_OEM_4
-1, //VK_DeadCircumflex, // $dc VK_OEM_5
-1, //VK_DeadAcute, // $dd VK_OEM_6
-1, {A Umlaut} // $de VK_OEM_7
-1, // $df VK_OEM_8
-1, // $e0
-1, // $e1 VK_OEM_AX
-1, {< char} // $e2 VK_OEM_102
-1, // $e3 VK_ICO_HELP
-1, //VK_P5, // $e4 VK_ICO_00
-1, // $e5 VK_PROCESSKEY
-1, // $e6 VK_ICO_CLEAR
-1, // $e7 VK_PACKET
-1, // $e8
-1, // $e9 VK_OEM_RESET
-1, // $ea VK_OEM_JUMP
-1, // $eb VK_OEM_PA1
-1, // $ec VK_OEM_PA2
-1, // $ed VK_OEM_PA3
-1, // $ee VK_OEM_WSCTRL
-1, // $ef VK_OEM_CUSEL
-1, // $f0 VK_OEM_ATTN
-1, // $f1 VK_OEM_FINISH
-1, // $f2 VK_OEM_COPY
-1, // $f3 VK_OEM_AUTO
-1, // $f4 VK_OEM_ENLW
-1, // $f5 VK_OEM_BACKTAB
-1, // $f6 VK_ATTN
-1, // $f7 VK_CRSEL
-1, // $f8 VK_EXSEL
-1, // $f9 VK_EREOF
-1, // $fa VK_PLAY
-1, // $fb VK_ZOOM
-1, // $fc VK_NONAME
-1, // $fd VK_PA1
-1, // $fe VK_OEM_CLEAR
-1 // $ff
);
begin
Result := 0;
if TranslTable[RawKey] = -1 then
Result := 0
else
Result := TranslTable[RawKey];
//writeln('tranbslate Key ', RawKey, ' $',IntToHex(RawKey, 2),' -> ', Result);
end;
function KeyboardShiftState(State: Word): PtrInt;
begin
Result := 0;
if State and IEQUALIFIER_LALT <> 0 then
Result := Result or MK_ALT;
//if State and IEQUALIFIER_RALT <> 0 then
// Result := Result or MK_ALT;
//writeln('ShiftState AROS: ', HexStr(Pointer(State)), ' and ', HexStr(Pointer(IEQUALIFIER_LALT)),' -> ', HexStr(Pointer(Result)));
end;
{ ######################################################################
DRAW Event for Dispatcher}
function DrawEvent(cl: PIClass; Obj: PObject_; Msg: intuition.PMsg): longword;
var
MUIB: TMUIObject;
Buffered: Boolean;
ri: PMUI_RenderInfo;
rp: PRastPort;
li: pLayer_Info;
clip: Pointer;
WithScrollbars: Boolean;
PaintX, PaintY: Integer;
PaintH, PaintW: Integer;
begin
MUIB := TMUIObject(INST_DATA(cl, Pointer(obj))^);
//sysdebugln('->>DRAW');
//if (PMUIP_Draw(msg)^.Flags and MADF_DRAWOBJECT = 0) then
// Exit;
Buffered := True;
rp := nil;
ri := MUIRenderInfo(Obj);
if Assigned(ri) then
rp := ri^.mri_RastPort;
if Assigned(rp) then
begin
MUIB := TMUIObject(INST_DATA(cl, Pointer(obj))^);
clip := MUI_AddClipping(ri, Obj_Left(obj), Obj_top(Obj),
Obj_Width(Obj), Obj_Height(Obj));
try
if Assigned(MUIB) then
begin
if MUIB.FirstPaint and (MUIB is TMUIGroupBox) then
begin
MUIB.FirstPaint := False;
TWinControl(MUIB.pasobject).InvalidateClientRectCache(True);
end;
//writeln('-->Draw ', muib.classname, ' ', HexStr(MUIB.FMUICanvas));
//if MUIB.MUIDrawing then
WithScrollbars := Assigned(MUIB.VScroll) and Assigned(MUIB.HScroll);
//
if (MUIB.FChilds.Count = 0) or ((MUIB.FChilds.Count = 2) and WithScrollbars) then
begin
//PMUIP_Draw(msg)^.Flags := MADF_DRAWOBJECT;
//Result := DoSuperMethodA(cl, obj, msg);
if MUIB.MUIDrawing then
Result := DoSuperMethodA(cl, obj, msg);
end else
begin
{.$ifndef MorphOS} // makes strong flicker on MorphOS
if MUIB is TMuiGroup then
Result := DoSuperMethodA(cl, obj, msg);
{.$endif}
end;
//Result := DoSuperMethodA(cl, obj, msg);
Buffered := True; //not MUIB.MUIDrawing;//(MUIB.FChilds.Count = 0) or ((MUIB.FChilds.Count = 2) and WithScrollbars);
if MUIB is TMUIWindow then
begin
PaintX := Obj_Left(Obj);
PaintY := Obj_Top(Obj);
PaintW := Obj_Width(Obj);
PaintH := Obj_Height(Obj);
end else
begin
PaintX := Obj_MLeft(Obj);
PaintY := Obj_MTop(Obj);
PaintW := Obj_MWidth(Obj);
PaintH := Obj_MHeight(Obj);
end;
// make sure we stay inside the window (MOS/Amiga need this)
PaintW := Min(PaintW, (ri^.mri_Window^.Width - PaintX) - ri^.mri_Window^.BorderRight);
PaintH := Min(PaintH, (ri^.mri_Window^.Height - PaintY) - ri^.mri_Window^.BorderBottom);
//
if WithScrollbars then
begin
if MUIB.VScroll.Visible then
PaintW := PaintW - MUIB.VScroll.Width;
If MUIB.HScroll.Visible then
PaintH := PaintH - MUIB.HScroll.Height;
//writeln('-->Draw ', muib.classname, ' ', HexStr(MUIB.FMUICanvas));
end;
if Buffered then
begin
MUIB.FMUICanvas.DrawRect := Rect(0, 0, PaintW, PaintH);
MUIB.FMUICanvas.RastPort := CreateRastPortA;
li := NewLayerInfo();
MUIB.FMUICanvas.RastPort^.Bitmap := AllocBitMap(PaintW, PaintH, rp^.Bitmap^.Depth, BMF_MINPLANES or BMF_DISPLAYABLE, rp^.Bitmap);
MUIB.FMUICanvas.RastPort^.Layer := CreateUpFrontHookLayer(li, MUIB.FMUICanvas.RastPort^.Bitmap, 0, 0, PaintW - 1, PaintH - 1, LAYERSIMPLE, nil, nil);
ClipBlit(rp, PaintX, PaintY, MUIB.FMUICanvas.RastPort, 0, 0, PaintW, PaintH, $00C0);
end else
begin
MUIB.FMUICanvas.RastPort := rp;
MUIB.FMUICanvas.DrawRect :=
Rect(PaintX, PaintY, PaintW, PaintH);
end;
MUIB.FMUICanvas.Offset.X := 0;
MUIB.FMUICanvas.Offset.Y := 0;
MUIB.FMUICanvas.Position.X := 0;
MUIB.FMUICanvas.Position.Y := 0;
MUIB.FMUICanvas.RenderInfo := ri;
MUIB.FMUICanvas.DeInitCanvas;
MUIB.FMUICanvas.InitCanvas;
//writeln('-->Draw ', MUIB.FMUICanvas.DrawRect.Top, ', ', MUIB.FMUICanvas.DrawRect.Bottom);
MUIB.DoRedraw;
if Assigned(MUIB.FOnDraw) then
begin
MUIB.FOnDraw(MUIB);
end;
MUIB.FMUICanvas.DeInitCanvas;
if Buffered and Assigned(MUIB.FMUICanvas.RastPort) then
begin
ClipBlit(MUIB.FMUICanvas.RastPort, 0,0, rp, PaintX, PaintY, PaintW, PaintH, $00C0);
DeleteLayer(0, MUIB.FMUICanvas.RastPort^.layer);
DisposeLayerInfo(li);
MUIB.FMUICanvas.RastPort^.layer := nil;
FreeBitmap(MUIB.FMUICanvas.RastPort^.Bitmap);
FreeRastPortA(MUIB.FMUICanvas.RastPort);
MUIB.FMUICanvas.RastPort := nil;
end;
//writeln('<--Draw ', muib.classname);
end;
finally
MUI_RemoveClipRegion(ri, clip);
MUIB.FMUICanvas.RastPort := nil;
end;
MUIB.DoChildRedraw();
end;
Result := 0;
end;
{END Draw event
########################################################################}
const
MUI_EHF_GUIMODE = 1 shl 1;
function Dispatcher(cl: PIClass; Obj: PObject_; Msg: intuition.PMsg): longword;
var
MUIB: TMUIObject;
MUIParent: TMUIObject;
p: TMUIObject;
HEMsg: PMUIP_HandleEvent;
ri: PMUI_RenderInfo;
iMsg: PIntuiMessage;
winObj: PObject_;
relX, relY: Integer;
Buff: array[0..19] of Char;
Ret: Integer;
CharCode: Word;
KeyData: PtrInt;
KeyUp: Boolean;
ie: TInputEvent;
Win: PWindow;
CurTime: Int64;
MUIWin: TMUIWindow;
IsSysKey: Boolean;
EatEvent: Boolean;
Key: Char;
i: Integer;
{$ifdef AmigaOS4}
data: PIntuiWheelData;
{$endif}
begin
Result := 0;
MUIB := nil;
MUIWin := nil;
//write('Enter Dispatcher with: ', Msg^.MethodID);
case Msg^.MethodID of
// ################# Setup EVENT #######################################
MUIM_SETUP: begin
//writeln(' setup');
Result := DoSuperMethodA(cl, obj, msg);
MUIB := TMUIObject(INST_DATA(cl, Pointer(obj))^);
if Assigned(MUIB) then
begin
New(MUIB.EHNode);
FillChar(MUIB.EHNode^, SizeOf(MUIB.EHNode^), 0);
P := MUIB;
MUIB.EHNode^.ehn_Priority := Byte(-100);
repeat
Inc(MUIB.EHNode^.ehn_Priority);
p := p.Parent;
until P = nil;
MUIB.EHNode^.ehn_Flags := MUI_EHF_GUIMODE;
MUIB.EHNode^.ehn_Object := obj;
MUIB.EHNode^.ehn_Class := cl;
MUIB.EHNode^.ehn_Events := IDCMP_MOUSEBUTTONS or IDCMP_MOUSEMOVE or IDCMP_RAWKEY;
{$ifdef AmigaOS4}
MUIB.EHNode^.ehn_Events := MUIB.EHNode^.ehn_Events or IDCMP_EXTENDEDMOUSE;
{$endif}
winObj := OBJ_win(obj);
ri := MUIRenderInfo(Obj);
WinObj := ri^.mri_WindowObject;
DoMethod(WinObj, [MUIM_Window_AddEventHandler, NativeUInt(MUIB.EHNode)]);
//MUIB.SetAttObj(Obj, [MUIA_FillArea, LFalse]);
end;
//MUI_RequestIDCMP(Obj, IDCMP_MOUSEBUTTONS);
end;
// ################# Cleanup EVENT #####################################
MUIM_CLEANUP: begin
//write(' cleanup');
MUIB := TMUIObject(INST_DATA(cl, Pointer(obj))^);
if Assigned(MUIB) then
begin
DoMethod(OBJ_win(obj), [MUIM_Window_RemEventHandler, NativeUInt(MUIB.EHNode)]);
Dispose(MUIB.EHNode);
MUIB.EHNode := nil;
end;
Result := DoSuperMethodA(cl, obj, msg);
//MUI_RejectIDCMP(Obj, IDCMP_MOUSEBUTTONS);
end;
// ################# DRAW EVENT ########################################
MUIM_Draw:
begin
Result := DrawEvent(cl, obj, Msg);
end;
// ################# Handle EVENT ######################################
MUIM_HANDLEEVENT: begin
Result := 0;
MUIB := TMUIObject(INST_DATA(cl, Pointer(obj))^);
Win := nil;
ri := MUIRenderInfo(Obj);
if Assigned(ri) then
Win := ri^.mri_Window;
if Assigned(MUIB) and Assigned(MUIB.PasObject) and Assigned(MUIB.Parent) then
begin
HEMsg := Pointer(Msg);
iMsg := HeMsg^.imsg;
// save Keystate for Winapi.GetKeyState
KeyState := IMsg^.Qualifier;
// Eat this Event if it is inside our border
// but not inside of any of my Childs
EatEvent := OBJ_IsInObject(Imsg^.MouseX, Imsg^.MouseY, obj);
if EatEvent and (not MUIB.Enabled or not MUIB.pasobject.Visible)then
begin
Result := 0;//MUI_EventHandlerRC_Eat;
Exit;
end;
//writeln('Imsg^.MouseX: ', Imsg^.MouseX, ' Imsg^.MouseY: ', Imsg^.MouseY, ' Name:', MUIB.pasobject.classname, ' ', MUIB.Visible);
for i := 0 to MUIB.FChilds.Count - 1 do
begin
//writeln(i, '. child ', obj_left(TMUIObject(MUIB.FCHilds[i]).Obj), ',', obj_top(TMUIObject(MUIB.FCHilds[i]).Obj), ' name ', TMUIObject(MUIB.FCHilds[i]).pasobject.classname, ' visible ', TMUIObject(MUIB.FCHilds[i]).Visible);
if OBJ_IsInObject(Imsg^.MouseX, Imsg^.MouseY, TMUIObject(MUIB.FCHilds[i]).Obj) and TMUIObject(MUIB.FCHilds[i]).Visible then
EatEvent := False; // the mouse is inside of one of my Childs! so do not eat it
end;
MUIParent := MUIB.GetParentWindow;
MUIWin := nil;
if MUIParent is TMuiWindow then
MUIWin := MUIParent as TMuiWindow;
if Assigned(Win) and EatEvent then
begin
// Activate the RMBTrap if no menu -> we can use the Right mousekey
// get parent window
if Assigned(MUIWin) then
begin
// if Window has a MainMenu do not catch Right MB
//if (Win^.Flags and WFLG_RMBTrap) <> 0 then
// writeln('before RMB TRAP ACTIVE');
if MUIWin.HasMenu then
begin
//writeln('NO RMB TRAP');
Win^.Flags := Win^.Flags and not WFLG_RMBTrap
end
else
begin
//writeln('YES RMB TRAP');
Win^.Flags := Win^.Flags or WFLG_RMBTrap;
end;
//if (Win^.Flags and WFLG_RMBTrap) <> 0 then
// writeln('after RMB TRAP ACTIVE');
end;
end;
if True then
begin
//writeln(MUIB.classname,' obj Event ', Imsg^.MouseX, ' ', Imsg^.MouseY);
// Calc relative mouse coordinates for this Item
RelX := Imsg^.MouseX - obj_Left(obj);
RelY := Imsg^.MouseY - obj_Top(obj);
// Check the EventClass
case IMsg^.IClass of
// Mouse MOVE #############################################
IDCMP_MOUSEMOVE: begin
LCLSendMouseMoveMsg(MUIB.PasObject, RelX, RelY, []);
if MUIB.LastClick > 0 then
if MUIB.NumMoves > 0 then
Dec(MUIB.NumMoves)
else
MUIB.LastClick := -1;
end;
// MOUSE BUTTON ############################################
IDCMP_MOUSEBUTTONS: begin
// Check the Mouse Status
case iMsg^.Code of
SELECTDOWN: begin // Left Button down
if not EatEvent then
begin
//writeln('handleevent Exit');
Exit; // Mouse buttons only send if the mouse is inside the Widget
end;
// Check if we have to switch the Focus to the clicked one
if MUIWin.FocusedControl <> MUIB then
begin
if Assigned(MUIWin.FocusedControl) then
LCLSendKillFocusMsg(MUIWin.FocusedControl.PasObject); // send 'Unfocus' message
LCLSendSetFocusMsg(MUIB.PasObject); // send 'Focus' message
FocusWidget := HWND(MUIB.PasObject);
end;
MUIWin.FocusedControl := MUIB;
LCLSendMouseDownMsg(MUIB.PasObject, RelX, RelY, mbLeft, []);
// Check if it is an Double click < 250 ms and less than 3 move events between
CurTime := GetLCLTime;
//sysdebugln('mouse down Moved:' + IntToStr(MUIB.NumMoves));
if (CurTime - MUIB.LastClick <= 750) and (MUIB.NumMoves > 0) then
begin
LCLSendMouseMultiClickMsg(MUIB.PasObject, RelX, RelY, mbLeft, 2, []); // its a double click
MUIB.LastClick := -1;
end else
begin
MUIB.NumMoves := 3; // first click, maybe later as Double Click ;)
MUIB.LastClick := CurTime;
end;
end;
// Left Mouse UP
SELECTUP:
begin
LCLSendMouseUpMsg(MUIB.PasObject, RelX, RelY, mbLeft, []);
end;
// Middle Mouse Down
MIDDLEDOWN: begin
if not EatEvent then
Exit; // Mouse buttons only send if the mouse is inside the Widget
LCLSendMouseDownMsg(MUIB.PasObject, RelX, RelY, mbMiddle, []);
end;
// Middle Mouse Up
MIDDLEUP: LCLSendMouseUpMsg(MUIB.PasObject, RelX, RelY, mbMiddle, []);
// Right Mouse Down;
MENUDOWN: begin
//if not EatEvent then
// Exit; // Mouse buttons only send if the mouse is inside the Widget
if EatEvent then
LCLSendMouseDownMsg(MUIB.PasObject, RelX, RelY, mbRight, []);
end;
// Right Mouse Up
MENUUP: LCLSendMouseUpMsg(MUIB.PasObject, RelX, RelY, mbRight, []);
end;
end;
{$ifdef AmigaOS4}
IDCMP_EXTENDEDMOUSE: begin
if iMsg^.Code = IMSGCODE_INTUIWHEELDATA then
begin
data := PIntuiWheelData(IMsg^.IAddress);
if not EatEvent then
Exit;
RelX := Imsg^.MouseX - obj_Left(obj);
RelY := Imsg^.MouseY - obj_Top(obj);
// Mouse wheel with Value 120 (from the other interfaces)
if Data^.WheelY = 1 then
LCLSendMouseWheelMsg(MUIB.PasObject, RelX, RelY, -120, []);
if Data^.WheelY = -1 then
LCLSendMouseWheelMsg(MUIB.PasObject, RelX, RelY, +120, [])
end;
end;
{$endif}
// KEYS ####################################################
IDCMP_RAWKEY: begin
// Mouse scroll wheel produce a up/down message
if (iMsg^.Code = $7A) or (iMsg^.Code = $7B) then
begin
if not EatEvent then
Exit;
RelX := Imsg^.MouseX - obj_Left(obj);
RelY := Imsg^.MouseY - obj_Top(obj);
// Mouse wheel with Value 120 (from the other interfaces)
if iMsg^.Code = $7B then
LCLSendMouseWheelMsg(MUIB.PasObject, RelX, RelY, -120, [])
else
LCLSendMouseWheelMsg(MUIB.PasObject, RelX, RelY, +120, [])
end else
begin
// Get the Keyboard Focus (see Mouse Buttons Left Down)
if Assigned(MUIWin) then
if Assigned(MUIWin.FocusedControl) then
MUIB := MUIWin.FocusedControl;
// Keyboard events always get eaten -> focussed Control
EatEvent := True;
// Extrace some data and let MapRawKey do the job
KeyUp := (IMsg^.Code and IECODE_UP_PREFIX) <> 0;
IMsg^.Code := IMsg^.Code and not IECODE_UP_PREFIX;
ie.ie_Class := IECLASS_RAWKEY;
ie.ie_SubClass := 0;
ie.ie_Code := IMsg^.Code;
ie.ie_Qualifier := IMsg^.Qualifier and (not (IEQUALIFIER_CONTROL or IEQUALIFIER_LALT));
ie.ie_NextEvent := nil;
Buff[0] := #0;
Ret := MapRawKey(@ie, @Buff[0], 1, nil);
//writeln('Key: ', MUIB.PasObject.Classname, ' got Key "',Buff[0],'" #', KeyData, ' Ret: ', Ret);
Key := Buff[0];
// Shiftstate mainly for ALT
// TODO: still not working!!!! ssALT is never set
KeyData := KeyboardShiftState(IMsg^.Qualifier);
// save KeyState for Winapi.GetKeyState
KeyState := IMsg^.Qualifier;
IsSysKey := KeyData <> 0;
//writeln(' send key: $', IntToHex(KeyData,8) );
if Ret = 1 then
begin
CharCode := RawKeyToKeycode(IMsg^.Code);
if CharCode = 0 then
CharCode := Ord(uppercase(Key)[1]);
if KeyUp then
begin
LCLSendKeyUpEvent(MUIB.PasObject, CharCode, KeyData, True, False);
end else
begin
//writeln('Down ', Char(CharCode), ' ', Charcode, ' ', Ord(''''));
LCLSendKeyDownEvent(MUIB.PasObject, CharCode, KeyData, True, False);
if (IMsg^.Qualifier and (IEQUALIFIER_CONTROL or IEQUALIFIER_LALT) = 0) then
begin
CharCode := Ord(Key);
//writeln('Press ', Char(CharCode), ' ', Key,' ' ,charcode);
LCLSendCharEvent(MUIB.PasObject, CharCode, KeyData, True, False, True);
end;
end;
end else
begin
CharCode := RawKeyToKeycode(IMsg^.Code);
if KeyUp then
LCLSendKeyUpEvent(MUIB.PasObject, CharCode, KeyData, True, IsSysKey)
else
LCLSendKeyDownEvent(MUIB.PasObject, CharCode, KeyData, True, IsSysKey);
end;
end;
end;
else
begin
//writeln('IDCMP: ', HexStr(Pointer(IMsg^.IClass)));
end;
end;
Result := 0;
if EatEvent then
Result := MUI_EventHandlerRC_Eat;
end else
begin
Result := 0;
end;
end;
end
else
begin
//writeln(Dos.GetLCLTime, ' unknown messageID $', HexStr(Pointer(Msg^.MethodID)));
Result := DoSuperMethodA(cl, obj, msg);
end;
end;
end;
procedure DestroyClasses;
begin
if Assigned(LCLClass) then
MUI_DeleteCustomClass(LCLClass);
end;
procedure SetDispatcher(var Hook: THook; Func: Pointer);
begin
SetHook(Hook, THookFunc(Func), nil);
end;
procedure CreateClasses;
begin
LCLClass := MUI_CreateCustomClass(nil, MUIC_Group, nil, sizeOf(Pointer), nil);
if not Assigned(LCLClass) then
begin
writeln('Cannot make class.');
DestroyClasses;
halt(5);
end;
LCLGroupClass := LCLClass^.mcc_Class;
SetDispatcher(LCLGroupClass^.cl_Dispatcher, @Dispatcher);
end;
{$ifdef CHECKOBJECTS}
procedure NotDestroyed;
var
i: Integer;
begin
SysDebugLn('not destroyed : ' + IntToStr(AllItems.Count));
for i := 0 to AllItems.Count - 1 do
SysDebugln(TMuiObject(AllItems[i]).Classname);
end;
{$endif}
{$ifdef MorphOS}
procedure InitMorphOS;
begin
//InitMUIMasterLibrary;
//InitIntuitionLibrary;
//InitGraphicsLibrary;
InitKeymapLibrary;
//InitDiskFontLibrary;
end;
{$endif}
initialization
{$ifdef MorphOS}
InitMorphOS;
{$endif}
CreateClasses;
{$ifdef CHECKOBJECTS}
AllItems := classes.TList.create;
{$endif}
finalization
MUIApp.Free;
DestroyClasses;
{$ifdef CHECKOBJECTS}
NotDestroyed;
AllItems.Free;
{$endif}
end.
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