{----------------------------------------------------------------------------- The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/MPL-1.1.html Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for the specific language governing rights and limitations under the License. The Original Code is: JvPanel.pas, released on 2001-02-28. The Initial Developer of the Original Code is Sébastien Buysse [sbuysse att buypin dott com] Portions created by Sébastien Buysse are Copyright (C) 2001 Sébastien Buysse. All Rights Reserved. Contributor(s): Michael Beck [mbeck att bigfoot dott com]. pongtawat Peter Thornqvist [peter3 at sourceforge dot net] Jens Fudickar [jens dott fudickar att oratool dott de] dejoy den [dejoy att ynl dott gov dott cn] Changes: >> dejoy --2005-04-28 - Change TJvArrangeSettings to inherited from TJvPersistentProperty. - TJvCustomArrangePanel implemented interface of IJvHotTrack. - Renamed HotColor property to HotTrackOptions.Color. You may retrieve the latest version of this file at the Project JEDI's JVCL home page, located at http://jvcl.sourceforge.net Known Issues: -----------------------------------------------------------------------------} // $Id: JvPanel.pas 11059 2006-11-29 17:12:58Z marquardt $ unit JvPanel; {$I jvcl.inc} interface uses {$IFDEF UNITVERSIONING} JclUnitVersioning, {$ENDIF UNITVERSIONING} Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, ExtCtrls, {$IFDEF VisualCLX} Qt, {$ENDIF VisualCLX} JvTypes, JvThemes, JvComponent, JvExtComponent, JvExControls; type TJvPanelResizeParentEvent = procedure(Sender: TObject; nLeft, nTop, nWidth, nHeight: Integer) of object; TJvPanelChangedSizeEvent = procedure(Sender: TObject; ChangedSize: Integer) of object; TJvAutoSizePanel = (asNone, asWidth, asHeight, asBoth); TJvArrangeSettings = class(TJvPersistentProperty) private FAutoArrange: Boolean; FAutoSize: TJvAutoSizePanel; FWrapControls: Boolean; FBorderLeft: Integer; FBorderTop: Integer; FDistanceVertical: Integer; FDistanceHorizontal: Integer; FShowNotVisibleAtDesignTime: Boolean; FMaxWidth: Integer; procedure SetWrapControls(Value: Boolean); procedure SetAutoArrange(Value: Boolean); procedure SetAutoSize(Value: TJvAutoSizePanel); procedure SetBorderLeft(Value: Integer); procedure SetBorderTop(Value: Integer); procedure SetDistanceVertical(Value: Integer); procedure SetDistanceHorizontal(Value: Integer); procedure SetMaxWidth(Value: Integer); public constructor Create; virtual; procedure Assign(Source: TPersistent); override; published property WrapControls: Boolean read FWrapControls write SetWrapControls default True; property BorderLeft: Integer read FBorderLeft write SetBorderLeft default 0; property BorderTop: Integer read FBorderTop write SetBorderTop default 0; property DistanceVertical: Integer read FDistanceVertical write SetDistanceVertical default 0; property DistanceHorizontal: Integer read FDistanceHorizontal write SetDistanceHorizontal default 0; property ShowNotVisibleAtDesignTime: Boolean read FShowNotVisibleAtDesignTime write FShowNotVisibleAtDesignTime default True; property AutoSize: TJvAutoSizePanel read FAutoSize write SetAutoSize default asNone; property AutoArrange: Boolean read FAutoArrange write SetAutoArrange default False; property MaxWidth: Integer read FMaxWidth write SetMaxWidth default 0; end; TJvPanelHotTrackOptions = class(TJvHotTrackOptions) public constructor Create; override; published property Color default clBtnFace; end; TJvPanelMoveEvent = procedure(Sender: TObject; X, Y: Integer; var Allow: Boolean) of object; TJvCustomArrangePanel = class(TJvCustomPanel, IJvDenySubClassing, IJvHotTrack) private FTransparent: Boolean; FFlatBorder: Boolean; FFlatBorderColor: TColor; FMultiLine: Boolean; FSizeable: Boolean; FDragging: Boolean; FLastPos: TPoint; FArrangeSettings: TJvArrangeSettings; FEnableArrangeCount: Integer; FArrangeControlActive: Boolean; FArrangeWidth: Integer; FArrangeHeight: Integer; FOnResizeParent: TJvPanelResizeParentEvent; FOnChangedWidth: TJvPanelChangedSizeEvent; FOnChangedHeight: TJvPanelChangedSizeEvent; FOnPaint: TNotifyEvent; FMovable: Boolean; FWasMoved: Boolean; FOnAfterMove: TNotifyEvent; FOnBeforeMove: TJvPanelMoveEvent; FHotTrack: Boolean; FHotTrackFont: TFont; FHotTrackFontOptions: TJvTrackFontOptions; FHotTrackOptions: TJvHotTrackOptions; {$IFDEF VisualCLX} FMoving: Boolean; FGripBmp: TBitmap; procedure CreateSizeGrip; function GetFrameWidth: Integer; function IsInsideGrip(X, Y: Integer): Boolean; {$ENDIF VisualCLX} function GetHeight: Integer; procedure SetHeight(Value: Integer); function GetWidth: Integer; procedure SetWidth(Value: Integer); procedure SetArrangeSettings(Value: TJvArrangeSettings); procedure SetTransparent(const Value: Boolean); procedure SetFlatBorder(const Value: Boolean); procedure SetFlatBorderColor(const Value: TColor); procedure SetMultiLine(const Value: Boolean); procedure SetSizeable(const Value: Boolean); {IJvHotTrack} //added by dejoy 2005-04-28 function GetHotTrack: Boolean; function GetHotTrackFont: TFont; function GetHotTrackFontOptions: TJvTrackFontOptions; function GetHotTrackOptions: TJvHotTrackOptions; procedure SetHotTrack(Value: Boolean); procedure SetHotTrackFont(Value: TFont); procedure SetHotTrackFontOptions(Value: TJvTrackFontOptions); procedure SetHotTrackOptions(Value: TJvHotTrackOptions); protected procedure DrawCaption; dynamic; procedure DrawCaptionTo(ACanvas: TCanvas {$IFDEF VisualCLX}; DrawingMask: Boolean = False {$ENDIF}); dynamic; procedure DrawBorders; dynamic; procedure MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Integer); override; procedure MouseMove(Shift: TShiftState; X, Y: Integer); override; procedure MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Integer); override; procedure MouseEnter(Control: TControl); override; procedure MouseLeave(Control: TControl); override; procedure ParentColorChanged; override; procedure TextChanged; override; procedure Paint; override; function DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean; override; {$IFDEF VCL} procedure AdjustSize; override; procedure CreateParams(var Params: TCreateParams); override; procedure WMNCHitTest(var Msg: TWMNCHitTest); message WM_NCHITTEST; procedure WMExitSizeMove(var Msg: TMessage); message WM_EXITSIZEMOVE; {$ENDIF VCL} function DoBeforeMove(X, Y: Integer): Boolean; dynamic; procedure DoAfterMove; dynamic; {$IFDEF VisualCLX} procedure DrawMask(ACanvas: TCanvas); override; {$ENDIF VisualCLX} procedure Loaded; override; procedure Resize; override; procedure Rearrange; procedure DoArrangeSettingsPropertyChanged(Sender: TObject; const PropName: string); virtual; procedure AlignControls(AControl: TControl; var Rect: TRect); override; function GetNextControlByTabOrder(ATabOrder: Integer): TWinControl; public constructor Create(AOwner: TComponent); override; destructor Destroy; override; procedure Invalidate; override; procedure SetBounds(ALeft, ATop, AWidth, AHeight: Integer); override; procedure ArrangeControls; procedure EnableArrange; procedure DisableArrange; function ArrangeEnabled: Boolean; property ArrangeWidth: Integer read FArrangeWidth; property ArrangeHeight: Integer read FArrangeHeight; {$IFDEF VCL} property DockManager; {$ENDIF VCL} property Canvas; property HotTrack: Boolean read GetHotTrack write SetHotTrack default False; property HotTrackFont: TFont read GetHotTrackFont write SetHotTrackFont; property HotTrackFontOptions: TJvTrackFontOptions read GetHotTrackFontOptions write SetHotTrackFontOptions default DefaultTrackFontOptions; property HotTrackOptions: TJvHotTrackOptions read GetHotTrackOptions write SetHotTrackOptions; property Movable: Boolean read FMovable write FMovable default False; property Sizeable: Boolean read FSizeable write SetSizeable default False; property Transparent: Boolean read FTransparent write SetTransparent default False; property MultiLine: Boolean read FMultiLine write SetMultiLine default False; //FlatBorder used the BorderWidth to draw the border property FlatBorder: Boolean read FFlatBorder write SetFlatBorder default False; property FlatBorderColor: TColor read FFlatBorderColor write SetFlatBorderColor default clBtnShadow; property OnBeforeMove: TJvPanelMoveEvent read FOnBeforeMove write FOnBeforeMove; property OnAfterMove: TNotifyEvent Read FOnAfterMove write FOnAfterMove; property OnPaint: TNotifyEvent read FOnPaint write FOnPaint; property ArrangeSettings: TJvArrangeSettings read FArrangeSettings write SetArrangeSettings; property Width: Integer read GetWidth write SetWidth; property Height: Integer read GetHeight write SetHeight; property OnResizeParent: TJvPanelResizeParentEvent read FOnResizeParent write FOnResizeParent; property OnChangedWidth: TJvPanelChangedSizeEvent read FOnChangedWidth write FOnChangedWidth; property OnChangedHeight: TJvPanelChangedSizeEvent read FOnChangedHeight write FOnChangedHeight; end; TJvPanel = class(TJvCustomArrangePanel) private FFilerTag: string; procedure ReadData(Reader: TReader); protected procedure DefineProperties(Filer: TFiler); override; published property HotTrack; property HotTrackFont; property HotTrackFontOptions; property HotTrackOptions; property Movable; property Sizeable; property HintColor; property Transparent; property MultiLine; property FlatBorder; property FlatBorderColor; property OnMouseEnter; property OnMouseLeave; property OnBeforeMove; property OnAfterMove; property OnParentColorChange; property OnPaint; property ArrangeSettings; property Width; property Height; property OnResizeParent; property OnChangedWidth; property OnChangedHeight; property Align; property Alignment; property Anchors; {$IFDEF VCL} property AutoSize; property BiDiMode; property UseDockManager default True; property DockSite; property DragCursor; property DragKind; property FullRepaint; property Locked; property ParentBiDiMode; property OnCanResize; property OnDockDrop; property OnDockOver; property OnEndDock; property OnGetSiteInfo; property OnStartDock; property OnUnDock; {$ENDIF VCL} property BevelInner; property BevelOuter; property BevelWidth; property BorderWidth; property BorderStyle; property Caption; property Color; property Constraints; property DragMode; property Enabled; property Font; {$IFDEF JVCLThemesEnabled} property ParentBackground default True; {$ENDIF JVCLThemesEnabled} property ParentColor; property ParentFont; property ParentShowHint; property PopupMenu; property ShowHint; property TabOrder; property TabStop; property Visible; property OnClick; property OnConstrainedResize; property OnContextPopup; property OnDblClick; property OnDragDrop; property OnDragOver; property OnEndDrag; property OnEnter; property OnExit; property OnMouseDown; property OnMouseMove; property OnMouseUp; property OnResize; property OnStartDrag; end; {$IFDEF UNITVERSIONING} const UnitVersioning: TUnitVersionInfo = ( RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/tags/JVCL3_32/run/JvPanel.pas $'; Revision: '$Revision: 11059 $'; Date: '$Date: 2006-11-29 18:12:58 +0100 (mer., 29 nov. 2006) $'; LogPath: 'JVCL\run' ); {$ENDIF UNITVERSIONING} implementation uses {$IFDEF HAS_UNIT_TYPES} Types, {$ENDIF HAS_UNIT_TYPES} JvJCLUtils, JvJVCLUtils; const BkModeTransparent = TRANSPARENT; (*function IsThemed: Boolean; begin {$IFDEF JVCLThemesEnabled} Result := ThemeServices.ThemesEnabled; {$ELSE} Result := False; {$ENDIF JVCLThemesEnabled} end;*) //=== { TJvArrangeSettings } ================================================= constructor TJvArrangeSettings.Create(); begin inherited Create; FMaxWidth := 0; FBorderLeft := 0; FBorderTop := 0; FDistanceVertical := 0; FDistanceHorizontal := 0; WrapControls := True; ShowNotVisibleAtDesignTime := True; FAutoSize := asNone; AutoArrange := False; end; procedure TJvArrangeSettings.SetWrapControls(Value: Boolean); begin if Value <> FWrapControls then begin Changing; ChangingProperty('WrapControls'); FWrapControls := Value; ChangedProperty('WrapControls'); Changed; end; end; procedure TJvArrangeSettings.SetAutoArrange(Value: Boolean); begin if Value <> FAutoArrange then begin Changing; ChangingProperty('AutoArrange'); FAutoArrange := Value; ChangedProperty('AutoArrange'); Changed; end; end; procedure TJvArrangeSettings.SetAutoSize(Value: TJvAutoSizePanel); begin if Value <> FAutoSize then begin Changing; ChangingProperty('AutoSize'); FAutoSize := Value; ChangedProperty('AutoSize'); Changed; end; end; procedure TJvArrangeSettings.SetBorderLeft(Value: Integer); begin if Value <> FBorderLeft then begin Changing; ChangingProperty('BorderLeft'); FBorderLeft := Value; ChangedProperty('BorderLeft'); Changed; end; end; procedure TJvArrangeSettings.SetBorderTop(Value: Integer); begin if Value <> FBorderTop then begin Changing; ChangingProperty('BorderTop'); FBorderTop := Value; ChangedProperty('BorderTop'); Changed; end; end; procedure TJvArrangeSettings.SetDistanceVertical(Value: Integer); begin if Value <> FDistanceVertical then begin Changing; ChangingProperty('DistanceVertical'); FDistanceVertical := Value; ChangedProperty('DistanceVertical'); Changed; end; end; procedure TJvArrangeSettings.SetDistanceHorizontal(Value: Integer); begin if Value <> FDistanceHorizontal then begin Changing; ChangingProperty('DistanceHorizontal'); FDistanceHorizontal := Value; ChangedProperty('DistanceHorizontal'); Changed; end; end; procedure TJvArrangeSettings.SetMaxWidth(Value: Integer); begin if Value <> FMaxWidth then begin Changing; ChangingProperty('MaxWidth'); FMaxWidth := Value; ChangedProperty('MaxWidth'); Changed; end; end; procedure TJvArrangeSettings.Assign(Source: TPersistent); var A: TJvArrangeSettings; begin if Source is TJvArrangeSettings then begin BeginUpdate; try A := TJvArrangeSettings(Source); AutoArrange := A.AutoArrange; AutoSize := A.AutoSize; WrapControls := A.WrapControls; BorderLeft := A.BorderLeft; BorderTop := A.BorderTop; DistanceVertical := A.DistanceVertical; DistanceHorizontal := A.DistanceHorizontal; ShowNotVisibleAtDesignTime := A.ShowNotVisibleAtDesignTime; MaxWidth := A.MaxWidth; finally EndUpdate; end; end else inherited Assign(Source); end; //=== { TJvPanelHotTrackOptions } ============================================ constructor TJvPanelHotTrackOptions.Create; begin inherited; Color := clBtnFace; end; //=== { TJvCustomArrangePanel } ============================================== constructor TJvCustomArrangePanel.Create(AOwner: TComponent); begin inherited Create(AOwner); {$IFDEF VCL} IncludeThemeStyle(Self, [csNeedsBorderPaint, csParentBackground]); {$ENDIF VCL} FMultiLine := False; FTransparent := False; FFlatBorder := False; FFlatBorderColor := clBtnShadow; FHotTrack := False; FHotTrackFont := TFont.Create; FHotTrackFontOptions := DefaultTrackFontOptions; FHotTrackOptions := TJvPanelHotTrackOptions.Create; FArrangeSettings := TJvArrangeSettings.Create; FArrangeSettings.OnChangeProperty := DoArrangeSettingsPropertyChanged; end; destructor TJvCustomArrangePanel.Destroy; begin FreeAndNil(FHotTrackFont); FreeAndNil(FHotTrackOptions); FreeAndNil(FArrangeSettings); {$IFDEF VisualCLX} FreeAndNil(FGripBmp); {$ENDIF VisualCLX} inherited Destroy; end; {$IFDEF VCL} procedure TJvCustomArrangePanel.CreateParams(var Params: TCreateParams); begin inherited CreateParams(Params); if Transparent {and not IsThemed} then begin // (rom) gives a better look in IDE if always set (not fully correct though) //if not (csDesigning in ComponentState) then Params.ExStyle := Params.ExStyle or WS_EX_TRANSPARENT; ControlStyle := ControlStyle - [csOpaque]; end else begin //if not (csDesigning in ComponentState) then Params.ExStyle := Params.ExStyle and not WS_EX_TRANSPARENT; ControlStyle := ControlStyle + [csOpaque]; end; end; procedure TJvCustomArrangePanel.WMNCHitTest(var Msg: TWMNCHitTest); var P: TPoint; begin inherited; if Movable then begin P := ScreenToClient(SmallPointToPoint(Msg.Pos)); with P do if (X > 5) and (Y > 5) and (X < Width - 5) and (Y < Height - 5) and DoBeforeMove(P.X,P.Y) then begin Msg.Result := HTCAPTION; FWasMoved := True; end; end; end; procedure TJvCustomArrangePanel.WMExitSizeMove(var Msg: TMessage); begin inherited; if FWasMoved then DoAfterMove; FWasMoved := False; end; {$ENDIF VCL} function TJvCustomArrangePanel.DoBeforeMove(X,Y: Integer): Boolean; begin Result := True; if Assigned(FOnBeforeMove) then FOnBeforeMove(Self, X, Y, Result); end; procedure TJvCustomArrangePanel.DoAfterMove; begin if Assigned(FOnAfterMove) then FOnAfterMove(Self); end; {$IFDEF VisualCLX} function TJvCustomArrangePanel.GetFrameWidth: Integer; begin if FFlatBorder then Result := 1 else begin Result := BorderWidth ; //Total Width of BevelInner and Outer; if BevelOuter <> bvNone then Inc(Result, BevelWidth); if BevelInner <> bvNone then Inc(Result, BevelWidth); end; end; function TJvCustomArrangePanel.IsInsideGrip(X, Y: Integer): Boolean; var R: TRect; I: Integer; begin I := GetFrameWidth; R := Bounds(Width - 12 - I, Height - 12 - I, 12, 12); Result := QWindows.PtInRect(R, X, Y); end; procedure TJvCustomArrangePanel.DrawMask(ACanvas: TCanvas); var R: TRect; I, J, X, Y: Integer; begin inherited DrawMask(ACanvas); ACanvas.Brush.Style := bsClear; ACanvas.Pen.Color := clDontMask; R := Bounds(0, 0, Width, Height); I := GetFrameWidth; for J := 0 to I do begin ACanvas.Rectangle(R); InflateRect(R, -1, -1) end; DrawCaptionTo(ACanvas, True); if Sizeable then begin X := ClientWidth - FGripBmp.Width - I; Y := ClientHeight - FGripBmp.Height - I; for I := 0 to 2 do for J := 0 to 2 do begin ACanvas.MoveTo(X + 4 * I + J, Y + FGripBmp.Height); ACanvas.LineTo(X + FGripBmp.Width, Y + 4 * I + J); end end; end; {$ENDIF VisualCLX} procedure TJvCustomArrangePanel.Paint; var X, Y: Integer; {$IFDEF VisualCLX} I: Integer; {$ENDIF VisualCLX} R: TRect; OldPenColor:TColor; OldPenWidth: Integer; begin if Assigned(FOnPaint) then begin FOnPaint(Self); Exit; end; // Mantis 3624: Draw our parent's image first if we are transparent. // This might not seem useful at first as we have removed the csOpaque // from our style and the API is doing the drawing just fine. But this // is required for other transparent controls placed on us. This way, // they call us with their own canvas into which we draw what we are // placed on. This way, there is an automatic chain of transparency up // to the controls at the bottom that are not transparent. if Transparent then CopyParentImage(Self, Canvas); if MouseOver and HotTrack then begin Canvas.Font := Self.HotTrackFont; if HotTrackOptions.Enabled then begin Canvas.Brush.Color := HotTrackOptions.Color; if HotTrackOptions.FrameVisible then begin Canvas.Brush.Style := bsSolid; OldPenColor := Canvas.Pen.Color; Canvas.Pen.Color := HotTrackOptions.FrameColor; Canvas.Rectangle(0, 0, Width, Height); Canvas.Pen.Color := OldPenColor; end else begin R := ClientRect; InflateRect(R, -BevelWidth, -BevelWidth); Canvas.FillRect(R); end; end; end else begin Canvas.Font := Self.Font; Canvas.Brush.Color := Color; if not Transparent {or IsThemed} then DrawThemedBackground(Self, Canvas, ClientRect) else Canvas.Brush.Style := bsClear; if FFlatBorder then begin if BorderWidth > 0 then begin OldPenWidth:= Canvas.Pen.Width; OldPenColor := Canvas.Pen.Color; Canvas.Pen.Width := BorderWidth; Canvas.Pen.Color := FFlatBorderColor; Canvas.Brush.Style := bsClear; R := ClientRect; X := (BorderWidth div 2); if Odd(BorderWidth) then Y := X else Y := X -1; Inc(R.Left,X); Inc(R.Top,X); Dec(R.Bottom,Y); Dec(R.Right,Y); Canvas.Rectangle(R); Canvas.Pen.Width := OldPenWidth; Canvas.Pen.Color := OldPenColor; end; end else DrawBorders; end; DrawCaption; if Sizeable then begin {$IFDEF JVCLThemesEnabled} if ThemeServices.ThemesEnabled then ThemeServices.DrawElement(Canvas.Handle, ThemeServices.GetElementDetails(tsGripper), Rect(ClientWidth - GetSystemMetrics(SM_CXVSCROLL) - BevelWidth - 2, ClientHeight - GetSystemMetrics(SM_CYHSCROLL) - BevelWidth - 2, ClientWidth - BevelWidth - 2, ClientHeight - BevelWidth - 2)) else {$ENDIF JVCLThemesEnabled} with Canvas do begin {$IFDEF VisualCLX} I := GetFrameWidth; X := ClientWidth - FGripBmp.Width - I; Y := ClientHeight - FGripBmp.Height - I; Draw(X, Y, FGripBmp); {$ENDIF VisualCLX} {$IFDEF VCL} Font.Name := 'Marlett'; Font.Charset := DEFAULT_CHARSET; Font.Size := 12; Canvas.Font.Style := []; Brush.Style := bsClear; X := ClientWidth - GetSystemMetrics(SM_CXVSCROLL) - BevelWidth - 2; Y := ClientHeight - GetSystemMetrics(SM_CYHSCROLL) - BevelWidth - 2; // (rom) bsClear takes care of that already //if Transparent {and not IsThemed} then // SetBkMode(Handle, BkModeTransparent); Canvas.Font.Color := clBtnHighlight; TextOut(X, Y, 'o'); Canvas.Font.Color := clBtnShadow; TextOut(X, Y, 'p'); {$ENDIF VCL} end; end; end; {$IFDEF VCL} // (asn) with VisualCLX Width := Width + 1 will call AdjustSize procedure TJvCustomArrangePanel.AdjustSize; begin inherited AdjustSize; if Transparent {and not IsThemed} then begin // (ahuser) That is the only way to draw the border of the contained controls. Width := Width + 1; Width := Width - 1; end; end; {$ENDIF VCL} procedure TJvCustomArrangePanel.DrawBorders; var Rect: TRect; TopColor, BottomColor: TColor; procedure AdjustColors(Bevel: TPanelBevel); begin TopColor := clBtnHighlight; if Bevel = bvLowered then TopColor := clBtnShadow; BottomColor := clBtnShadow; if Bevel = bvLowered then BottomColor := clBtnHighlight; end; begin Rect := ClientRect; if BevelOuter <> bvNone then begin AdjustColors(BevelOuter); Frame3D(Canvas, Rect, TopColor, BottomColor, BevelWidth); end; Frame3D(Canvas, Rect, Color, Color, BorderWidth); if BevelInner <> bvNone then begin AdjustColors(BevelInner); Frame3D(Canvas, Rect, TopColor, BottomColor, BevelWidth); end; end; procedure TJvCustomArrangePanel.DrawCaption; begin DrawCaptionTo(Self.Canvas); end; procedure TJvCustomArrangePanel.DrawCaptionTo(ACanvas: TCanvas {$IFDEF VisualCLX}; DrawingMask: Boolean = False {$ENDIF}); const Alignments: array [TAlignment] of Longint = (DT_LEFT, DT_RIGHT, DT_CENTER); WordWrap: array [Boolean] of Longint = (DT_SINGLELINE, DT_WORDBREAK); var ATextRect: TRect; BevelSize: Integer; Flags: Longint; begin with ACanvas do begin if Caption <> '' then begin if (MouseOver or FDragging) and HotTrack then ACanvas.Font := Self.HotTrackFont else ACanvas.Font := Self.Font; SetBkMode(Handle, BkModeTransparent); Font := Self.Font; ATextRect := GetClientRect; InflateRect(ATextRect, -BorderWidth, -BorderWidth); BevelSize := 0; if BevelOuter <> bvNone then Inc(BevelSize, BevelWidth); if BevelInner <> bvNone then Inc(BevelSize, BevelWidth); InflateRect(ATextRect, -BevelSize, -BevelSize); Flags := DT_EXPANDTABS or WordWrap[MultiLine] or Alignments[Alignment]; Flags := DrawTextBiDiModeFlags(Flags); //calculate required rectangle size DrawText(ACanvas.Handle, Caption, -1, ATextRect, Flags or DT_CALCRECT); // adjust the rectangle placement OffsetRect(ATextRect, 0, -ATextRect.Top + (Height - (ATextRect.Bottom - ATextRect.Top)) div 2); case Alignment of taRightJustify: OffsetRect(ATextRect, -ATextRect.Left + (Width - (ATextRect.Right - ATextRect.Left) - BorderWidth - BevelSize), 0); taCenter: OffsetRect(ATextRect, -ATextRect.Left + (Width - (ATextRect.Right - ATextRect.Left)) div 2, 0); end; {$IFDEF VisualCLX} if DrawingMask then Font.Color := clDontMask else {$ENDIF VisualCLX} if not Enabled then Font.Color := clGrayText; //draw text if Transparent {and not IsThemed} then SetBkMode(ACanvas.Handle, BkModeTransparent); DrawText(ACanvas.Handle, Caption, -1, ATextRect, Flags); end; end; end; procedure TJvCustomArrangePanel.ParentColorChanged; begin Invalidate; inherited ParentColorChanged; end; procedure TJvCustomArrangePanel.MouseEnter(Control: TControl); var NeedRepaint: Boolean; OtherDragging:Boolean; begin if csDesigning in ComponentState then Exit; if not MouseOver and Enabled and (Control = nil) then begin OtherDragging := {$IFDEF VCL} {$IFDEF COMPILER6_UP} Mouse.IsDragging; {$ELSE} KeyPressed(VK_LBUTTON); {$ENDIF COMPILER6_UP} {$ENDIF VCL} {$IFDEF VisualCLX} DragActivated; {$ENDIF VisualCLX} NeedRepaint := not Transparent and ({IsThemed or} (FHotTrack and Enabled and not FDragging and not OtherDragging)); inherited MouseEnter(Control); // set MouseOver if NeedRepaint then Repaint; end else inherited MouseEnter(Control); end; procedure TJvCustomArrangePanel.MouseLeave(Control: TControl); var NeedRepaint: Boolean; OtherDragging:Boolean; begin if csDesigning in ComponentState then Exit; OtherDragging := {$IFDEF VCL} {$IFDEF COMPILER6_UP} Mouse.IsDragging; {$ELSE} KeyPressed(VK_LBUTTON); {$ENDIF COMPILER6_UP} {$ENDIF VCL} {$IFDEF VisualCLX} DragActivated; {$ENDIF VisualCLX} if MouseOver and Enabled and (Control = nil) then begin NeedRepaint := not Transparent and ({IsThemed or} (FHotTrack and (FDragging or (Enabled and not OtherDragging)))); inherited MouseLeave(Control); // set MouseOver if NeedRepaint then Repaint; end else inherited MouseLeave(Control); end; procedure TJvCustomArrangePanel.SetTransparent(const Value: Boolean); begin if Value <> FTransparent then begin FTransparent := Value; {if not IsThemed then} begin {$IFDEF VCL} RecreateWnd; {$ENDIF VCL} {$IFDEF VisualCLX} Masked := FTransparent; if FTransparent then ControlStyle := ControlStyle - [csOpaque] else ControlStyle := ControlStyle + [csOpaque] {$ENDIF VisualCLX} end; end; end; procedure TJvCustomArrangePanel.SetFlatBorder(const Value: Boolean); begin if Value <> FFlatBorder then begin FFlatBorder := Value; Invalidate; end; end; procedure TJvCustomArrangePanel.SetFlatBorderColor(const Value: TColor); begin if Value <> FFlatBorderColor then begin FFlatBorderColor := Value; Invalidate; end; end; function TJvCustomArrangePanel.DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean; begin if Transparent {and not IsThemed} then Result := True else Result := inherited DoEraseBackground(Canvas, Param); end; procedure TJvCustomArrangePanel.SetMultiLine(const Value: Boolean); begin if FMultiLine <> Value then begin FMultiLine := Value; Invalidate; end; end; procedure TJvCustomArrangePanel.TextChanged; begin inherited TextChanged; Invalidate; end; procedure TJvCustomArrangePanel.Invalidate; begin { if Transparent and Visible and Assigned(Parent) and Parent.HandleAllocated and HandleAllocated then RedrawWindow(Parent.Handle, nil, 0, RDW_ERASE or RDW_FRAME or RDW_INTERNALPAINT or RDW_INVALIDATE or RDW_ERASENOW or RDW_UPDATENOW or RDW_ALLCHILDREN); } inherited Invalidate; end; procedure TJvCustomArrangePanel.SetSizeable(const Value: Boolean); begin if FSizeable <> Value then begin FSizeable := Value; {$IFDEF VisualCLX} if Value then CreateSizeGrip else FreeAndNil(FGripBmp); {$ENDIF VisualCLX} Invalidate; end; end; procedure TJvCustomArrangePanel.MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Integer); begin {$IFDEF VCL} if Sizeable and (Button = mbLeft) and ((Width - X) < 12) and ((Height - Y) < 12) then begin FDragging := True; FLastPos := Point(X, Y); MouseCapture := True; Screen.Cursor := crSizeNWSE; end else inherited MouseDown(Button, Shift, X, Y); {$ENDIF VCL} {$IFDEF VisualCLX} if Sizeable and (Button = mbLeft) and IsInsideGrip(X, Y) then begin FDragging := True; FLastPos := Point(X, Y); MouseCapture := True; Screen.Cursor := crSizeNWSE; end else if FMovable and QWindows.PtInRect(Rect( 5, 5, Width - 5, Height -5), X, Y) and DoBeforeMove( X, Y ) then begin FMoving := True; FLastPos := Point(X, Y); MouseCapture := True; Screen.Cursor := crDrag; end else inherited MouseDown(Button, Shift, X, Y); {$ENDIF VisualCLX} end; procedure TJvCustomArrangePanel.MouseMove(Shift: TShiftState; X, Y: Integer); var R: TRect; X1, Y1: Integer; begin if FDragging and Sizeable then begin R := BoundsRect; X1 := R.Right - R.Left + X - FLastPos.X; Y1 := R.Bottom - R.Top + Y - FLastPos.Y; if (X1 > 1) and (Y1 > 1) then begin if X1 >= 0 then FLastPos.X := X; if Y1 >= 0 then FLastPos.Y := Y; SetBounds(Left, Top, X1, Y1); Refresh; end; end else {$IFDEF VCL} inherited MouseMove(Shift, X, Y); if Sizeable and ((Width - X) < 12) and ((Height - Y) < 12) then Cursor := crSizeNWSE else Cursor := crDefault; {$ENDIF VCL} begin {$IFDEF VisualCLX} if Movable and FMoving then begin SetBounds(Left + X - FLastPos.X, Top + Y - FLastPos.Y, Width, Height); FWasMoved := True; end else begin inherited MouseMove(Shift, X, Y); if Sizeable and IsInsideGrip(X, Y) then Cursor := crSizeNWSE else Cursor := crDefault; end; {$ENDIF VisualCLX} end; end; procedure TJvCustomArrangePanel.MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Integer); begin if FDragging and Sizeable then begin FDragging := False; MouseCapture := False; Screen.Cursor := crDefault; Refresh; end {$IFDEF VisualCLX} else if FMoving and Movable then begin FMoving := False; MouseCapture := False; Screen.Cursor := crDefault; if FWasMoved then DoAfterMove; FWasMoved := False; Refresh; end {$ENDIF VisualCLX} else inherited MouseUp(Button, Shift, X, Y); end; procedure TJvCustomArrangePanel.SetBounds(ALeft, ATop, AWidth, AHeight: Integer); begin inherited SetBounds(ALeft, ATop, AWidth, AHeight); if Transparent {and not IsThemed} then Invalidate; end; procedure TJvCustomArrangePanel.Resize; begin if Assigned(FArrangeSettings) then // (asn) if FArrangeSettings.AutoArrange then ArrangeControls; inherited Resize; end; procedure TJvCustomArrangePanel.EnableArrange; begin EnableAlign; if FEnableArrangeCount > 0 then Dec(FEnableArrangeCount); end; procedure TJvCustomArrangePanel.DisableArrange; begin Inc(FEnableArrangeCount); DisableAlign; end; function TJvCustomArrangePanel.ArrangeEnabled: Boolean; begin Result := FEnableArrangeCount <= 0; end; procedure TJvCustomArrangePanel.Loaded; begin inherited Loaded; if FArrangeSettings.AutoArrange then ArrangeControls; end; procedure TJvCustomArrangePanel.AlignControls(AControl: TControl; var Rect: TRect); begin inherited AlignControls(AControl, Rect); if FArrangeSettings.AutoArrange then ArrangeControls; end; function TJvCustomArrangePanel.GetNextControlByTabOrder(ATabOrder: Integer): TWinControl; var I: Integer; begin Result := nil; for I := 0 to ControlCount - 1 do if Controls[I] is TWinControl then if TWinControl(Controls[I]).TabOrder = ATabOrder then begin Result := TWinControl(Controls[I]); Break; end; end; procedure TJvCustomArrangePanel.ArrangeControls; var AktX, AktY, NewX, NewY, MaxY, NewMaxX: Integer; ControlMaxX, ControlMaxY: Integer; TmpWidth, TmpHeight: Integer; LastTabOrder: Integer; CurrControl: TWinControl; I: Integer; OldHeight, OldWidth: Integer; begin if (not ArrangeEnabled) or FArrangeControlActive or (ControlCount = 0) then Exit; if [csLoading, csReading] * ComponentState <> [] then Exit; FArrangeWidth := 0; FArrangeHeight := 0; FArrangeControlActive := True; try OldHeight := Height; OldWidth := Width; TmpHeight := Height; TmpWidth := Width; AktY := FArrangeSettings.BorderTop; AktX := FArrangeSettings.BorderLeft; LastTabOrder := -1; MaxY := -1; if (FArrangeSettings.AutoSize in [asWidth, asBoth]) then ControlMaxX := TmpWidth - 2 * FArrangeSettings.BorderLeft else ControlMaxX := -1; if (FArrangeSettings.AutoSize in [asHeight, asBoth]) then ControlMaxY := TmpHeight - 2 * FArrangeSettings.BorderTop else ControlMaxY := -1; for I := 0 to ControlCount - 1 do if Controls[I] is TWinControl then begin if Controls[I] is TJvCustomArrangePanel then TJvCustomArrangePanel(Controls[I]).Rearrange; if (Controls[I].Width + 2 * FArrangeSettings.BorderLeft > TmpWidth) then TmpWidth := Controls[I].Width + 2 * FArrangeSettings.BorderLeft; end; if (TmpWidth > FArrangeSettings.MaxWidth) and (FArrangeSettings.MaxWidth > 0) then TmpWidth := FArrangeSettings.MaxWidth ; CurrControl := GetNextControlByTabOrder(LastTabOrder+1); while Assigned(CurrControl) do begin LastTabOrder := CurrControl.TabOrder; if CurrControl.Visible or ((csDesigning in ComponentState) and FArrangeSettings.ShowNotVisibleAtDesignTime) then begin NewMaxX := AktX + CurrControl.Width + FArrangeSettings.DistanceHorizontal + FArrangeSettings.BorderLeft; if (((NewMaxX > TmpWidth) and not (FArrangeSettings.AutoSize in [asWidth, asBoth])) or ((NewMaxX > FArrangeSettings.MaxWidth) and (FArrangeSettings.MaxWidth > 0))) and (AktX > FArrangeSettings.BorderLeft) and // Only Valid if there is one control in the current line FArrangeSettings.WrapControls then begin AktX := FArrangeSettings.BorderLeft; AktY := AktY + MaxY + FArrangeSettings.DistanceVertical; MaxY := -1; NewX := AktX; NewY := AktY; end else begin NewX := AktX; NewY := AktY; end; AktX := AktX + CurrControl.Width; if AktX > ControlMaxX then ControlMaxX := AktX; AktX := AktX + FArrangeSettings.DistanceHorizontal; CurrControl.Left := NewX; CurrControl.Top := NewY; if CurrControl.Height > MaxY then MaxY := CurrControl.Height; ControlMaxY := AktY + MaxY; end; CurrControl := GetNextControlByTabOrder(LastTabOrder+1); end; if not (csLoading in ComponentState) then begin if (FArrangeSettings.AutoSize in [asWidth, asBoth]) then if ControlMaxX >= 0 then if (FArrangeSettings.MaxWidth > 0) and (ControlMaxX >= FArrangeSettings.MaxWidth) then TmpWidth := FArrangeSettings.MaxWidth else TmpWidth := ControlMaxX + FArrangeSettings.BorderLeft else TmpWidth := 0; if (FArrangeSettings.AutoSize in [asHeight, asBoth]) then if ControlMaxY >= 0 then TmpHeight := ControlMaxY + FArrangeSettings.BorderTop else TmpHeight := 0; Width := TmpWidth; Height := TmpHeight; end; FArrangeWidth := ControlMaxX + 2 * FArrangeSettings.BorderLeft; FArrangeHeight := ControlMaxY + 2 * FArrangeSettings.BorderTop; if (OldWidth <> TmpWidth) or (OldHeight <> Height) then {$IFDEF VCL} SendMessage(GetFocus, WM_PAINT, 0, 0); {$ENDIF VCL} {$IFDEF VisualCLX} UpdateWindow(GetFocus); {$ENDIF VisualCLX} finally FArrangeControlActive := False; end; end; procedure TJvCustomArrangePanel.SetWidth(Value: Integer); var Changed: Boolean; begin Changed := inherited Width <> Value; inherited Width := Value; if Changed then begin if Assigned(FOnChangedWidth) then FOnChangedWidth (Self, Value); if Assigned(FOnResizeParent) then FOnResizeParent(Self, Left, Top, Value, Height) else if Parent is TJvCustomArrangePanel then TJvCustomArrangePanel(Parent).Rearrange; end; end; function TJvCustomArrangePanel.GetWidth: Integer; begin Result := inherited Width; end; procedure TJvCustomArrangePanel.SetHeight(Value: Integer); var Changed: Boolean; begin Changed := inherited Height <> Value; inherited Height := Value; if Changed then begin if Assigned(FOnChangedHeight) then FOnChangedHeight (Self, Value); if Assigned(FOnResizeParent) then FOnResizeParent(Self, Left, Top, Width, Value) else if Parent is TJvCustomArrangePanel then TJvCustomArrangePanel(Parent).Rearrange; end; end; function TJvCustomArrangePanel.GetHeight: Integer; begin Result := inherited Height; end; procedure TJvCustomArrangePanel.SetArrangeSettings(Value: TJvArrangeSettings); begin if (Value <> nil) and (Value <> FArrangeSettings) then FArrangeSettings.Assign(Value); end; function TJvCustomArrangePanel.GetHotTrack: Boolean; begin Result := FHotTrack; end; function TJvCustomArrangePanel.GetHotTrackFont: TFont; begin Result := FHotTrackFont; end; function TJvCustomArrangePanel.GetHotTrackFontOptions: TJvTrackFontOptions; begin Result := FHotTrackFontOptions; end; function TJvCustomArrangePanel.GetHotTrackOptions: TJvHotTrackOptions; begin Result := FHotTrackOptions; end; procedure TJvCustomArrangePanel.SetHotTrack(Value: Boolean); begin FHotTrack := Value; end; procedure TJvCustomArrangePanel.SetHotTrackFont(Value: TFont); begin if (FHotTrackFont<>Value) and (Value <> nil) then FHotTrackFont.Assign(Value); end; procedure TJvCustomArrangePanel.SetHotTrackFontOptions(Value: TJvTrackFontOptions); begin if FHotTrackFontOptions <> Value then begin FHotTrackFontOptions := Value; UpdateTrackFont(HotTrackFont, Font, FHotTrackFontOptions); end; end; procedure TJvCustomArrangePanel.SetHotTrackOptions(Value: TJvHotTrackOptions); begin if (FHotTrackOptions <> Value) and (Value <> nil) then FHotTrackOptions.Assign(Value); end; procedure TJvCustomArrangePanel.Rearrange; begin if FArrangeSettings.AutoArrange and not (csLoading in ComponentState) then ArrangeControls; end; procedure TJvCustomArrangePanel.DoArrangeSettingsPropertyChanged(Sender: TObject; const PropName: string); begin if SameText(PropName,'AutoArrange') then begin if ArrangeSettings.AutoArrange then Rearrange; end else if SameText(PropName,'AutoSize') then begin if ArrangeSettings.AutoSize <> asNone then Rearrange; end else //otherwise call Rearrange Rearrange; end; {$IFDEF VisualCLX} procedure TJvCustomArrangePanel.CreateSizeGrip; var I: Integer; begin FGripBmp := TBitmap.Create; FGripBmp.Width := 13; //GetSystemMetrics(SM_CXVSCROLL); FGripBmp.Height := 13; //GetSystemMetrics(SM_CXYSCROLL); with FGripBmp.Canvas do begin Brush.Color := clBackground; FillRect(Bounds(0, 0, Width, Height)); Pen.Width := 1; for I := 0 to 2 do begin Pen.Color := clLight; MoveTo(3 * I, FGripBmp.Height); LineTo(FGripBmp.Width, 3 * I); Pen.Color := clDark; MoveTo(3 * I + 1, FGripBmp.Height); LineTo(FGripBmp.Width, 3 * I + 1); // Pen.Color := clMid; MoveTo(3 * I + 2, FGripBmp.Height); LineTo(FGripBmp.Width, 3 * I + 2); end; end; FGripBmp.TransparentColor := clBackground; FGripBmp.TransparentMode := tmFixed; FGripBmp.Transparent := True; end; {$ENDIF VisualCLX} { TJvPanel } procedure TJvPanel.DefineProperties(Filer: TFiler); begin inherited DefineProperties(Filer); { For backward compatibility } FFilerTag := 'HotColor'; Filer.DefineProperty(FFilerTag, ReadData, nil, False); end; procedure TJvPanel.ReadData(Reader: TReader); var C: Integer; begin if SameText(FFilerTag, 'HotColor') then begin if Reader.NextValue = vaIdent then begin if IdentToColor(Reader.ReadIdent, C) then HotTrackOptions.Color := C; end else HotTrackOptions.Color := Reader.ReadInteger; end; end; {$IFDEF UNITVERSIONING} initialization RegisterUnitVersion(HInstance, UnitVersioning); finalization UnregisterUnitVersion(HInstance); {$ENDIF UNITVERSIONING} end.