最近受老板迫害,必须把一个系统写成图像热点的方式。
具体是这样要求的:
使用image显示图片,然后根据用户给定的数字,动态在image上面生成多少个按钮,然后要求,按钮能在image上面托动要所需要的位置,然后还要把这个位置能保存下来,以便以后能调用显示,请问怎么做阿。
不知道有没有类似的控件!大哥门帮帮忙啊!
具体是这样要求的:
使用image显示图片,然后根据用户给定的数字,动态在image上面生成多少个按钮,然后要求,按钮能在image上面托动要所需要的位置,然后还要把这个位置能保存下来,以便以后能调用显示,请问怎么做阿。
不知道有没有类似的控件!大哥门帮帮忙啊!
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ExtCtrls;const
GRIDDEFAULT = 4;type
TResizer = class;
TMover = class; TMovingEvent = procedure(Sender: TResizer; var NewLeft, NewTop: integer) of object;
TSizingEvent = procedure(Sender: TResizer; var NewLeft, NewTop, NewWidth, NewHeight: integer) of object; TResizer = class(TComponent)
protected
FActive : boolean;
FControl : TControl;
Sizers : TList;
GroupMovers : TList;
FGroup : TWinControl;
FGridX : integer;
FGridY : integer;
FOnSized : TNotifyEvent;
FOnSizing : TSizingEvent;
FOnMoved : TNotifyEvent;
FOnMoving : TMovingEvent;
Sizing : boolean;
Moving : boolean;
OrigSize : TRect;
NewSize : TRect;
DownX : integer;
DownY : integer;
FAllowSize : boolean;
FAllowMove : boolean;
FKeepIn : boolean;
FHotTrack : boolean;
OneMover : TMover;
CurMover : TMover;
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
procedure SetActive(b: boolean);
procedure SetControl(c: TControl);
procedure SetGroup(p: TWinControl);
procedure CreateSizers;
procedure CheckSizers;
procedure ShowSizers;
procedure HideSizers;
procedure SizerDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
procedure SizerUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
procedure SizerMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
procedure MoverDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
procedure MoverUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
procedure MoverMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
procedure DrawSizeRect(Rect: TRect);
procedure Calc_Size_Rect(SizerNum, dx, dy: integer);
procedure DoSizingEvent;
procedure Calc_Move_Rect(dx, dy: integer);
procedure DoMovingEvent;
procedure Constrain_Size;
procedure Constrain_Move;
procedure MoverKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
procedure DoSizeMove(var Key: Word; Shift: TShiftState; dx, dy: integer);
procedure CreateGroupMovers;
procedure CreateOneMover(m: TMover; c: TControl);
function FindMoverByBuddy(c: TControl): TMover;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
property Active: boolean read FActive write SetActive default True;
property ResizeControl: TControl read FControl write SetControl;
property ResizeGroup: TWinControl read FGroup write SetGroup;
property GridX: integer read FGridX write FGridX default GRIDDEFAULT;
property GridY: integer read FGridY write FGridY default GRIDDEFAULT;
property OnSized: TNotifyEvent read FOnSized write FOnSized;
property OnSizing: TSizingEvent read FOnSizing write FOnSizing;
property OnMoved: TNotifyEvent read FOnMoved write FOnMoved;
property OnMoving: TMovingEvent read FOnMoving write FOnMoving;
property AllowSize: boolean read FAllowSize write FAllowSize default True;
property AllowMove: boolean read FAllowMove write FAllowMove default True;
property KeepInParent: boolean read FKeepIn write FKeepIn default True;
property HotTrack: boolean read FHotTrack write FHotTrack;
end; TInvisWin = class(TPanel) // This could also derive from TPanel
protected
procedure WndProc(var Message: TMessage); override;
procedure CreateParams(var Params: TCreateParams); override;
procedure WMDLGCode(var Message: TMessage); message WM_GETDLGCODE;
public
property OnKeyDown;
end; TMover = class(TInvisWin)
public
Buddy : TControl;
procedure Show;
end;