bsskinboxctrls.pas

delphi 皮肤控件

    property OnGetSiteInfo;
    property OnMouseDown;
    property OnMouseMove;
    property OnMouseUp;
    property OnResize;
    property OnStartDock;
    property OnStartDrag;
    property OnUnDock;
    property OnMouseWheel;
    property OnMouseWheelDown;
    property OnMouseWheelUp;
  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
    FNumEdit: Boolean;
    FDropDown: Boolean;
    FToolButtonStyle: Boolean;
    FCharCase: TEditCharCase;
    FDefaultColor: TColor;
    FUseSkinSize: Boolean;
    WasInLB: Boolean;
    TimerMode: Integer;
    FListBoxWidth: Integer;
    FHideSelection: Boolean;
    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;

    procedure DrawTabbedString(S: String; TW: TStrings; C: TCanvas; R: TRect; Offset: Integer);

    procedure AdjustEditHeight;
    procedure DrawMenuMarker(C: TCanvas; R: TRect; AActive, ADown: Boolean;
     ButtonData: TbsDataSkinButtonControl);

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

    procedure ProcessListBox;
    procedure StartTimer;
    procedure StopTimer;

    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);
    procedure DrawResizeSkinItem(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; virtual;
    procedure HideEditor;
    procedure DrawButton(C: TCanvas);
    procedure DrawResizeButton(C: TCanvas);
    procedure CalcRects;
    procedure WMTimer(var Message: TWMTimer); message WM_Timer; 
    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 ListBoxMouseMove(Sender: TObject; 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 CreateControlDefaultImage2(B: TBitMap);
    procedure CreateControlSkinImage2(B: TBitMap);
    procedure CreateControlToolSkinImage(B: TBitMap; AText: String);
    procedure CreateControlToolDefaultImage(B: TBitMap; AText: String);

    procedure Change; virtual;
    procedure Notification(AComponent: TComponent; Operation: TOperation); override;
    procedure FindLBItem(S: String);
    procedure FindLBItemFromEdit;
    procedure CalcSize(var W, H: Integer); override;
    procedure SetControlRegion; override;
    procedure WMEraseBkgnd(var Msg: TWMEraseBkgnd); message WM_ERASEBKGND;
    procedure SetDefaultColor(Value: TColor);
    function GetDisabledFontColor: TColor;
    function GetTabWidths: TStrings;
    procedure SetTabWidths(Value: TStrings);
    procedure SetToolButtonStyle(Value: Boolean);
  public
    ActiveSkinRect: TRect;
    ActiveFontColor: TColor;
    FontName: String;
    FontStyle: TFontStyles;
    FontHeight: Integer;
    SItemRect, FocusItemRect, ActiveItemRect: TRect;
    ItemLeftOffset, ItemRightOffset: Integer;
    ItemTextRect: TRect;
    FontColor, FocusFontColor: TColor;
    ButtonRect,
    ActiveButtonRect,
    DownButtonRect, UnEnabledButtonRect: TRect;
    ListBoxName: String;
    ItemStretchEffect, FocusItemStretchEffect: Boolean;
    ShowFocus: Boolean;
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    procedure PaintSkinTo(C: TCanvas; X, Y: Integer; AText: String);
    procedure ChangeSkinData; override;
    procedure CloseUp(Value: Boolean);
    procedure DropDown; virtual;
    function IsPopupVisible: Boolean;
    function CanCancelDropDown: Boolean;
    procedure Invalidate; override;
    property ToolButtonStyle: Boolean
      read FToolButtonStyle write SetToolButtonStyle;
    property HideSelection: Boolean
      read FHideSelection write FHideSelection;
    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 ListBoxWidth: Integer read FListBoxWidth write FListBoxWidth;
    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 TabStop default True;
    property Visible;
    //
    property CharCase: TEditCharCase read FCharCase write SetCharCase;
    property DefaultColor: TColor read FDefaultColor write SetDefaultColor;
    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 TabWidths: TStrings read GetTabWidths write SetTabWidths;

    property OnListBoxDrawItem: TbsDrawSkinItemEvent
      read FOnListBoxDrawItem write SetListBoxDrawItem;
    property OnComboBoxDrawItem: TbsDrawSkinItemEvent
      read FOnComboBoxDrawItem write FOnComboBoxDrawItem;
    property OnChange: TNotifyEvent read FOnChange write FOnChange;
    property OnClick: TNotifyEvent read FOnClick write FOnClick;
    property OnCloseUp: TNotifyEvent read FOnCloseUp write FOnCloseUp;
    property OnDropDown: TNotifyEvent read FOnDropDown write FOnDropDown;
    property OnKeyDown;
    property OnKeyPress;
    property OnKeyUp;
    property OnEnter;
    property OnExit;
  published
    property UseSkinSize: Boolean read FUseSkinSize write FUseSkinSize;
  end;

  TbsSkinComboBox = class(TbsSkinCustomComboBox)
  published
    property ToolButtonStyle;
    property AlphaBlend;
    property AlphaBlendValue;
    property AlphaBlendAnimation;
    property ListBoxCaption;
    property ListBoxCaptionMode;
    property ListBoxDefaultFont;
    property ListBoxDefaultCaptionFont;
    property ListBoxDefaultItemHeight;
    property ListBoxCaptionAlignment;
    property ListBoxUseSkinFont;
    property ListBoxUseSkinItemHeight;
    property ListBoxWidth;

    property HideSelection;
    property AutoComplete;
    property Images;
    property ImageIndex;

    property TabWidths;
    property Enabled;
    property PopupMenu;
    property ShowHint;
    proper