bsskinboxctrls.pas

Delphi开发的图象处理软件

    property OnListBoxClick;
    property OnListBoxDblClick;
    property OnListBoxMouseDown;
    property OnListBoxMouseMove;
    property OnListBoxMouseUp;
    property OnListBoxKeyDown;
    property OnListBoxKeyPress;
    property OnListBoxKeyUp;
    property OnListBoxDragDrop;
    property OnListBoxDragOver;
    property OnListBoxStartDrag;
    property OnListBoxEndDrag;
    property OnDrawItem;
  end;

  TbsSkinScrollBox = class(TbsSkinCustomControl)
  protected
    FInCheckScrollBars: Boolean;
    FDown: Boolean;
    FVScrollBar: TbsSkinScrollBar;
    FHScrollBar: TbsSkinScrollBar;
    FOldVScrollBarPos: Integer;
    FOldHScrollBarPos: Integer;
    FVSizeOffset: Integer;
    FHSizeOffset: Integer;
    FBorderStyle: TbsSkinBorderStyle;
    procedure SetBorderStyle(Value: TbsSkinBorderStyle);
    procedure SetVScrollBar(Value: TbsSkinScrollBar);
    procedure SetHScrollBar(Value: TbsSkinScrollBar);
    procedure VScrollControls(AOffset: Integer);
    procedure HScrollControls(AOffset: Integer);

    procedure OnHScrollBarChange(Sender: TObject);
    procedure OnVScrollBarChange(Sender: TObject);
    procedure OnHScrollBarLastChange(Sender: TObject);
    procedure OnVScrollBarLastChange(Sender: TObject);

    procedure Notification(AComponent: TComponent;
     Operation: TOperation); override;
    procedure WMNCCALCSIZE(var Message: TWMNCCalcSize); message WM_NCCALCSIZE;
    procedure WMNCPAINT(var Message: TWMNCPAINT); message WM_NCPAINT;
    procedure PaintFrame(C: TCanvas);
    procedure WMSize(var Msg: TWMSize); message WM_SIZE;
    procedure CreateParams(var Params: TCreateParams); override;
    procedure GetSkinData; override;
    procedure CreateControlDefaultImage(B: TBitMap); override;
    procedure ChangeSkinData; override;
    procedure AdjustClientRect(var Rect: TRect); override;
    procedure CMVisibleChanged(var Message: TMessage); message CM_VISIBLECHANGED;
    procedure WMWindowPosChanging(var Message: TWMWindowPosChanging); message WM_WINDOWPOSCHANGING;
  public
    BGPictureIndex: Integer;
    procedure HScroll(APosition: Integer);
    procedure VScroll(APosition: Integer);
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetBounds(ALeft, ATop, AWidth, AHeight: Integer); override;
    procedure Paint; override;
    procedure GetHRange;
    procedure GetVRange;
    procedure UpDateScrollRange; 
  published
    property HScrollBar: TbsSkinScrollBar read FHScrollBar
                                          write SetHScrollBar;
    property VScrollBar: TbsSkinScrollBar read FVScrollBar
                                          write SetVScrollBar;
    property BorderStyle: TbsSkinBorderStyle
      read FBorderStyle write SetBorderStyle;
    property Align;
    property DockSite;
    property DragCursor;
    property DragKind;
    property DragMode;
    property Enabled;
    property ParentShowHint;
    property PopupMenu;
    property ShowHint;
    property TabOrder;
    property TabStop;
    property Visible;
    property OnCanResize;
    property OnClick;
    property OnConstrainedResize;
    property OnDockDrop;
    property OnDockOver;
    property OnDblClick;
    property OnDragDrop;
    property OnDragOver;
    property OnEndDock;
    property OnEndDrag;
    property OnEnter;
    property OnExit;
    property OnGetSiteInfo;
    property OnMouseDown;
    property OnMouseMove;
    property OnMouseUp;
    property OnResize;
    property OnStartDock;
    property OnStartDrag;
    property OnUnDock;
  end;

  TCloseUpEvent = procedure (Sender: TObject; Accept: Boolean) of object;
  TPopupAlign = (epaRight, epaLeft);

  TbsCBItem = record
    R: TRect;
    State: TOwnerDrawState;
  end;

  TbsSkinCustomComboBoxStyle = (bscbEditStyle, bscbFixedStyle);

  TbsPopupListBox = class(TbsSkinListBox)
  private
    FOldAlphaBlend: Boolean;
    FOldAlphaBlendValue: Byte;
    procedure WMMouseActivate(var Message: TMessage); message WM_MOUSEACTIVATE;
  protected
    procedure CreateParams(var Params: TCreateParams); override;
  public
    constructor Create(AOwner: TComponent); override;
    procedure Hide;
    procedure Show(Origin: TPoint);
  end;

  TbsSkinCustomComboBox = class(TbsSkinCustomControl)
  protected
    FLastTime: Cardinal;
    FFilter: String;
    FAutoComplete: Boolean;
    FAlphaBlend: Boolean;
    FAlphaBlendAnimation: Boolean;
    FAlphaBlendValue: Byte;
    
    FStyle: TbsSkinCustomComboBoxStyle;

    FOnChange: TNotifyEvent;
    FOnClick: TNotifyEvent;
    FOnCloseUp: TNotifyEvent;
    FOnDropDown: TNotifyEvent;

    FOnListBoxDrawItem: TbsDrawSkinItemEvent;
    FOnComboBoxDrawItem: TbsDrawSkinItemEvent;

    FMouseIn: Boolean;
    FOldItemIndex: Integer;
    FDropDownCount: Integer;
    FLBDown: Boolean;
    FListBoxWindowProc: TWndMethod;
    FEditWindowProc: TWndMethod;
    //
    FListBox: TbsPopupListBox;
    //
    CBItem: TbsCBItem;
    Button: TbsCBButtonX;
    FEdit: TbsCustomEdit;
    FromEdit: Boolean;

    function GetSelStart: Integer;
    procedure SetSelStart(Value: Integer);
    function GetSelLength: Integer;
    procedure SetSelLength(Value: Integer);


    procedure EditKeyPress(Sender: TObject; var Key: Char);
    procedure EditKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
    procedure EditKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState); 
     
    function GetHorizontalExtent: Boolean;
    procedure SetHorizontalExtent(Value: Boolean);

    function GetListBoxUseSkinItemHeight: Boolean;
    procedure SetListBoxUseSkinItemHeight(Value: Boolean);

    function GetImages: TCustomImageList;
    function GetImageIndex: Integer;
    procedure SetImages(Value: TCustomImageList);
    procedure SetImageIndex(Value: Integer);

    function GetListBoxDefaultFont: TFont;
    procedure SetListBoxDefaultFont(Value: TFont);

    function GetListBoxUseSkinFont: Boolean;
    procedure SetListBoxUseSkinFont(Value: Boolean);

    function GetListBoxDefaultCaptionFont: TFont;
    procedure SetListBoxDefaultCaptionFont(Value: TFont);
    function GetListBoxDefaultItemHeight: Integer;
    procedure SetListBoxDefaultItemHeight(Value: Integer);
    function GetListBoxCaptionAlignment: TAlignment;
    procedure SetListBoxCaptionAlignment(Value: TAlignment);

    procedure CheckButtonClick(Sender: TObject);

    procedure SetListBoxCaption(Value: String);
    function  GetListBoxCaption: String;
    procedure SetListBoxCaptionMode(Value: Boolean);
    function  GetListBoxCaptionMode: Boolean;

    procedure EditCancelMode(C: TControl);

    procedure ListBoxDrawItem(Cnvs: TCanvas; Index: Integer;
      ItemWidth, ItemHeight: Integer; TextRect: TRect; State: TOwnerDrawState);

    function GetSorted: Boolean;
    procedure SetSorted(Value: Boolean);

    procedure SetStyle(Value: TbsSkinCustomComboBoxStyle);
    procedure DrawDefaultItem(Cnvs: TCanvas);
    procedure DrawSkinItem(Cnvs: TCanvas);

    function GetItemIndex: Integer;
    procedure SetItemIndex(Value: Integer);

    procedure ListBoxWindowProcHook(var Message: TMessage);
    procedure EditWindowProcHook(var Message: TMessage); virtual;
    procedure SetItems(Value: TStrings);
    function GetItems: TStrings;

    procedure SetListBoxDrawItem(Value: TbsDrawSkinItemEvent);
    procedure SetDropDownCount(Value: Integer);
    procedure EditChange(Sender: TObject);
    procedure EditUp(AChange: Boolean);
    procedure EditDown(AChange: Boolean);
    procedure EditUp1(AChange: Boolean);
    procedure EditDown1(AChange: Boolean);
    procedure EditPageUp1(AChange: Boolean);
    procedure EditPageDown1(AChange: Boolean);
    procedure ShowEditor;
    procedure HideEditor;
    procedure DrawButton(C: TCanvas);
    procedure CalcRects;
    procedure WMSETFOCUS(var Message: TMessage); message WM_SETFOCUS;
    procedure WMKILLFOCUS(var Message: TWMKILLFOCUS); message WM_KILLFOCUS;
    procedure WMSIZE(var Message: TWMSIZE); message WM_SIZE;
    procedure CMTextChanged(var Message: TMessage); message CM_TEXTCHANGED;
    procedure CMMouseEnter(var Message: TMessage); message CM_MOUSEENTER;
    procedure CMMouseLeave(var Message: TMessage); message CM_MOUSELEAVE;
    procedure CMCancelMode(var Message: TCMCancelMode); message CM_CANCELMODE;
    procedure MouseDown(Button: TMouseButton; Shift: TShiftState;
      X, Y: Integer); override;
    procedure MouseUp(Button: TMouseButton; Shift: TShiftState;
      X, Y: Integer); override;
    procedure MouseMove(Shift: TShiftState; X, Y: Integer); override;

    procedure ListBoxMouseDown(Sender: TObject; Button: TMouseButton;
              Shift: TShiftState; X, Y: Integer);
    procedure ListBoxMouseMove(Sender: TObject; Shift: TShiftState;
              X, Y: Integer);
    procedure ListBoxMouseUp(Sender: TObject; Button: TMouseButton;
              Shift: TShiftState; X, Y: Integer);

    procedure GetSkinData; override;
    procedure WMMOUSEWHEEL(var Message: TMessage); message WM_MOUSEWHEEL;
    procedure CMEnabledChanged(var Message: TMessage); message CM_ENABLEDCHANGED;
    procedure KeyDown(var Key: Word; Shift: TShiftState); override;
    procedure KeyPress(var Key: Char); override;
    procedure CMWantSpecialKey(var Msg: TCMWantSpecialKey); message CM_WANTSPECIALKEY;

    procedure DefaultFontChange; override;
    procedure CreateControlDefaultImage(B: TBitMap); override;
    procedure CreateControlSkinImage(B: TBitMap); override;
    procedure Change; virtual;
    procedure Notification(AComponent: TComponent; Operation: TOperation); override;
    procedure FindLBItem(S: String);
    procedure FindLBItemFromEdit;
  public
    FontName: String;
    FontStyle: TFontStyles;
    FontHeight: Integer;
    SItemRect, FocusItemRect: TRect;
    ItemLeftOffset, ItemRightOffset: Integer;
    ItemTextRect: TRect;
    FontColor, FocusFontColor: TColor;
    ButtonRect,
    ActiveButtonRect,
    DownButtonRect, UnEnabledButtonRect: TRect;
    ListBoxName: String;
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    procedure ChangeSkinData; override;
    procedure CloseUp(Value: Boolean);
    procedure DropDown; virtual;
    function IsPopupVisible: Boolean;
    function CanCancelDropDown: Boolean;
    procedure Invalidate; override;
  public
    property AutoComplete: Boolean read FAutoComplete write FAutoComplete;
    property AlphaBlend: Boolean read FAlphaBlend write FAlphaBlend;
    property AlphaBlendAnimation: Boolean
      read FAlphaBlendAnimation write FAlphaBlendAnimation;
    property AlphaBlendValue: Byte read FAlphaBlendValue write FAlphaBlendValue;
    property Images: TCustomImageList read GetImages write SetImages;
    property ImageIndex: Integer read GetImageIndex write SetImageIndex;
    property ListBoxUseSkinItemHeight: Boolean
      read GetListBoxUseSkinItemHeight write SetListBoxUseSkinItemHeight;
    property ListBoxCaption: String read GetListBoxCaption
                                    write SetListBoxCaption;
    property ListBoxCaptionMode: Boolean read GetListBoxCaptionMode
                                    write SetListBoxCaptionMode;

    property ListBoxDefaultFont: TFont
      read GetListBoxDefaultFont write SetListBoxDefaultFont;

    property ListBoxUseSkinFont: Boolean
      read GetListBoxUseSkinFont write SetListBoxUseSkinFont;
    property ListBoxDefaultCaptionFont: TFont
      read GetListBoxDefaultCaptionFont write SetListBoxDefaultCaptionFont;
    property ListBoxDefaultItemHeight: Integer
      read GetListBoxDefaultItemHeight write SetListBoxDefaultItemHeight;
    property ListBoxCaptionAlignment: TAlignment
      read GetListBoxCaptionAlignment write SetListBoxCaptionAlignment;

    property Enabled;
    property PopupMenu;
    property ShowHint;
    property TabOrder;
    property Visible;
    //
    property Text;
    property Align;
    property Items: TStrings read GetItems write SetItems;
    property ItemIndex: Integer read GetItemIndex write SetItemIndex;
    property DropDownCount: Integer read FDropDownCount write SetDropDownCount;
    property HorizontalExtent: Boolean
      read GetHorizontalExtent write SetHorizontalExtent; 
    property Font;
    property Sorted: Boolean read GetSorted write SetSorted;
    property Style: TbsSkinCustomComboBoxStyle read FStyle write SetStyle;
    property SelStart: Integer read GetSelStart write SetSelStart;
    property SelLength: Integer read GetSelLength write SetSelLength;
    property OnListBoxDrawItem: TbsDrawSkinItemEvent
      read FOnListBoxDrawItem write SetListBoxDrawItem;
    property OnComboBoxDrawItem: TbsDrawSkinItemEvent
      read FOnComboBoxDrawItem write FOnComboBoxDrawItem;