915 lines
27 KiB
ObjectPascal
915 lines
27 KiB
ObjectPascal
// SPDX-License-Identifier: LGPL-3.0-linking-exception
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{******************************* CONTRIBUTOR(S) ******************************
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- Edivando S. Santos Brasil | mailedivando@gmail.com
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(Compatibility with delphi VCL 11/2018)
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***************************** END CONTRIBUTOR(S) *****************************}
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unit BCMDButton;
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{$I bgracontrols.inc}
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// Set this to show number of repaint in each MDBUTTON
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{ $DEFINE MDBUTTON_DEBUG}
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// Set this to animate only a MDBUTTON at a time
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{$DEFINE MDBUTTON_ANIMATEONLYONE}
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interface
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uses
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Classes, SysUtils, Types, {$IFDEF FPC}LResources,{$ELSE}BGRAGraphics, GraphType, FPImage,{$ENDIF}
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Forms, Controls, Graphics, Dialogs,
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BCBaseCtrls, BGRABitmap, BGRABitmapTypes, ExtCtrls, Math, BGRABlend;
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type
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TBCMDButtonCheckMarkPosition = (cmpBottom,cmpTop,cmpLeft,cmpRight);
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var
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// Default icons for Check Box
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{BCMDBUTTONBALLOTBOX: string = '☐'; // '✗'
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BCMDBUTTONBALLOTBOXWITHCHECK: string = '☑'; // '✓'
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// Default icons for Radio Button
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BCMDBUTTONRADIOBUTTON: string = '🔘';
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BCMDBUTTONRADIOBUTTONCIRCLE: string = '◯';}
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// Characters that can be used on systems that lack of the previous unicode symbols
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BCMDBUTTONBALLOTBOX: string = '[ ]';
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BCMDBUTTONBALLOTBOXWITHCHECK: string = '[X]';
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BCMDBUTTONRADIOBUTTON: string = '[O]';
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BCMDBUTTONRADIOBUTTONCIRCLE: string = '[ ]';
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// Animation speed
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// Possible values: between 0 and 1
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// 0 is an infinite animation that display nothing (only redraw itself)
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// 1 is the faster animation (like no animation, from 0 to 1 in 1 frame)
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// Recommended values: between 0.01 (slow) and 0.1 (fast), default 0.04
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// Hint: turn on debug to see how much frames are rendered
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BCMDBUTTONANIMATIONSPEED: double = 0.04;
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// Global enable/disable animations
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BCMDBUTTONANIMATION: boolean = True;
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// Global posiotn of checkmarks 0=bottom, 1=top, 2=left, 3=right
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BCMDBUTTONCHECKMARKPOSITION : TBCMDButtonCheckMarkPosition = cmpBottom;
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BCMDBUTTONCHECKMARKCOLOR : TColor = $00BB513F;
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const
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// Timer speed: default 15 (a bit more than 60 fps)
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// Other values: 16 (60 fps) 20 (50 fps) 25 (40 fps) 33 (30 fps)
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// Hint: 15 is the smoothest -tested- value on Windows, even if 16 is closer to 60 fps
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// * values below 15 are not noticeable
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// * higher values are not smooth
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// Hint: changing this doesn't change the ammount of frames rendered,
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// only changes the time between frames
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// Hint: if you decrease MDBUTTONTIMERSPEED, increase BCMDBUTTONANIMATIONSPEED
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// to keep a smooth animation
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BCMDBUTTONTIMERSPEED: integer = 15;
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type
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TBCMDButtonState = (mdbsNormal, mdbsHover, mdbsActive);
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TBCMDButtonKind = (mdbkNormal, mdbkToggle, mdbkToggleGroup, mdbkCheckBox,
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mdbkRadioButton, mdbkTab);
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{ TBCMDButtonStyle }
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TBCMDButtonStyle = class(TPersistent)
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private
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FColor: TColor;
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FOnChange: TNotifyEvent;
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FTextColor: TColor;
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procedure SetFColor(AValue: TColor);
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procedure SetFTextColor(AValue: TColor);
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public
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property OnChange: TNotifyEvent read FOnChange write FOnChange;
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public
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constructor Create;
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published
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property Color: TColor read FColor write SetFColor;
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property TextColor: TColor read FTextColor write SetFTextColor;
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end;
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{ TCustomBCMDButton }
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TCustomBCMDButton = class(TBGRAGraphicCtrl)
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private
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FChecked: boolean;
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FKind: TBCMDButtonKind;
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{$IFDEF INDEBUG}
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FCount: integer;
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{$ENDIF}
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FRounding: integer;
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FTextAutoSize: boolean;
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FTextProportional: boolean;
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FTextProportionalRatio: single;
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FTimer: TTimer;
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FPercent: double;
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FCircleSize: double;
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FCX, FCY: integer;
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FAlphaPercent: double;
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FAlignment: TAlignment;
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FAnimation: boolean;
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FState: TBCMDButtonState;
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FStyleActive: TBCMDButtonStyle;
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FStyleDisabled: TBCMDButtonStyle;
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FStyleHover: TBCMDButtonStyle;
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FStyleNormal: TBCMDButtonStyle;
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FTextLayout: TTextLayout;
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procedure OnChangeStyle(Sender: TObject);
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procedure SetFAlignment(AValue: TAlignment);
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procedure SetFAnimation(AValue: boolean);
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procedure SetFChecked(AValue: boolean);
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procedure SetFKind(AValue: TBCMDButtonKind);
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procedure SetFStyleActive(AValue: TBCMDButtonStyle);
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procedure SetFStyleDisabled(AValue: TBCMDButtonStyle);
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procedure SetFStyleHover(AValue: TBCMDButtonStyle);
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procedure SetFStyleNormal(AValue: TBCMDButtonStyle);
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procedure SetFTextAutoSize(AValue: boolean);
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procedure SetFTextLayout(AValue: TTextLayout);
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procedure SetFTextProportional(AValue: boolean);
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procedure SetFTextProportionalRatio(AValue: single);
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protected
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procedure CalculatePreferredSize(var PreferredWidth, PreferredHeight: integer;
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{%H-}WithThemeSpace: boolean); override;
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procedure Paint; override;
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procedure MouseDown(Button: TMouseButton; Shift: TShiftState;
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X, Y: integer); override;
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procedure MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: integer); override;
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procedure MouseEnter; override;
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procedure MouseLeave; override;
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procedure RealSetText(const Value: TCaption); override;
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procedure OnTimer(Sender: TObject);
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procedure OnStartTimer(Sender: TObject);
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procedure OnStopTimer(Sender: TObject);
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function easeInOutQuad(t: double): double;
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function easeOutQuad(t: double): double;
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procedure UncheckOthers;
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class function GetControlClassDefaultSize: TSize; override;
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function GetRealCaption: string;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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procedure SelectAll;
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procedure UnselectAll;
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procedure InvertSelection;
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function GetSelected: TStringList;
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published
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property Animation: boolean read FAnimation write SetFAnimation default False;
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property Alignment: TAlignment read FAlignment write SetFAlignment default taCenter;
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property TextLayout: TTextLayout
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read FTextLayout write SetFTextLayout default tlCenter;
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property StyleNormal: TBCMDButtonStyle read FStyleNormal write SetFStyleNormal;
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property StyleHover: TBCMDButtonStyle read FStyleHover write SetFStyleHover;
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property StyleActive: TBCMDButtonStyle read FStyleActive write SetFStyleActive;
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property StyleDisabled: TBCMDButtonStyle read FStyleDisabled write SetFStyleDisabled;
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property Checked: boolean read FChecked write SetFChecked default False;
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property Kind: TBCMDButtonKind read FKind write SetFKind default mdbkNormal;
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// If text size is used to measure buttons
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// Disable it if you use the buttons in a grid, for example
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property TextAutoSize: boolean read FTextAutoSize write SetFTextAutoSize;
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// Enable it if you want that text size grows with height
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property TextProportional: boolean read FTextProportional write SetFTextProportional;
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// Each character font height proportional to height of control
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// Set it in conjunction with TextProportional, values recommended between 0...1
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property TextProportionalRatio: single read FTextProportionalRatio
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write SetFTextProportionalRatio;
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end;
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TBCMDButton = class(TCustomBCMDButton)
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property Action;
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property Align;
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property Anchors;
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property AutoSize;
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property BidiMode;
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property BorderSpacing;
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{$IFDEF FPC} //#
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property OnChangeBounds;
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{$ENDIF}
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//property Cancel;
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property Caption;
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property Color;
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property Constraints;
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//property Default;
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property DragCursor;
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property DragKind;
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property DragMode;
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property Enabled;
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property Font;
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property ParentBidiMode;
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//property ModalResult;
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property OnClick;
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property OnContextPopup;
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property OnDragDrop;
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property OnDragOver;
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property OnEndDrag;
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//property OnEnter;
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//property OnExit;
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//property OnKeyDown;
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//property OnKeyPress;
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//property OnKeyUp;
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property OnMouseDown;
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property OnMouseEnter;
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property OnMouseLeave;
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property OnMouseMove;
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property OnMouseUp;
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property OnMouseWheel;
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property OnMouseWheelDown;
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property OnMouseWheelUp;
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property OnResize;
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property OnStartDrag;
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//property OnUTF8KeyPress;
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property ParentFont;
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property ParentShowHint;
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property PopupMenu;
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property ShowHint;
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//property TabOrder;
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//property TabStop;
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property Visible;
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end;
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{$IFDEF FPC}procedure Register;{$ENDIF}
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implementation
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{$IFDEF MDBUTTON_ANIMATEONLYONE}
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var
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MDAnimating: TCustomBCMDButton;
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{$ENDIF}
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{$IFDEF FPC}
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procedure Register;
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begin
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RegisterComponents('BGRA Button Controls', [TBCMDButton]);
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end;
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{$ENDIF}
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{ TBCMDButtonStyle }
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procedure TBCMDButtonStyle.SetFColor(AValue: TColor);
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begin
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if FColor = AValue then
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Exit;
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FColor := AValue;
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if Assigned(FOnChange) then
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OnChange(Self);
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end;
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procedure TBCMDButtonStyle.SetFTextColor(AValue: TColor);
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begin
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if FTextColor = AValue then
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Exit;
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FTextColor := AValue;
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if Assigned(FOnChange) then
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OnChange(Self);
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end;
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constructor TBCMDButtonStyle.Create;
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begin
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inherited Create;
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FColor := clWhite;
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FTextColor := clBlack;
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end;
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{ TCustomBCMDButton }
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procedure TCustomBCMDButton.SetFStyleActive(AValue: TBCMDButtonStyle);
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begin
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if FStyleActive = AValue then
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Exit;
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FStyleActive := AValue;
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end;
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procedure TCustomBCMDButton.SetFAlignment(AValue: TAlignment);
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begin
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if FAlignment = AValue then
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Exit;
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FAlignment := AValue;
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Invalidate;
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end;
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procedure TCustomBCMDButton.SetFAnimation(AValue: boolean);
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begin
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if FAnimation = AValue then
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Exit;
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FAnimation := AValue;
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Invalidate;
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end;
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procedure TCustomBCMDButton.SetFChecked(AValue: boolean);
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begin
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if FChecked = AValue then
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Exit;
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FChecked := AValue;
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if FChecked and (FKind in [mdbkToggleGroup, mdbkRadioButton, mdbkTab]) then
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UncheckOthers;
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Invalidate;
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end;
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procedure TCustomBCMDButton.SetFKind(AValue: TBCMDButtonKind);
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begin
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if FKind = AValue then
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Exit;
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FKind := AValue;
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Invalidate;
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end;
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procedure TCustomBCMDButton.OnChangeStyle(Sender: TObject);
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begin
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Invalidate;
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end;
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procedure TCustomBCMDButton.SetFStyleDisabled(AValue: TBCMDButtonStyle);
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begin
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if FStyleDisabled = AValue then
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Exit;
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FStyleDisabled := AValue;
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end;
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procedure TCustomBCMDButton.SetFStyleHover(AValue: TBCMDButtonStyle);
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begin
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if FStyleHover = AValue then
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Exit;
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FStyleHover := AValue;
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end;
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procedure TCustomBCMDButton.SetFStyleNormal(AValue: TBCMDButtonStyle);
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begin
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if FStyleNormal = AValue then
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Exit;
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FStyleNormal := AValue;
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end;
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procedure TCustomBCMDButton.SetFTextAutoSize(AValue: boolean);
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begin
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if FTextAutoSize = AValue then
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Exit;
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FTextAutoSize := AValue;
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end;
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procedure TCustomBCMDButton.SetFTextLayout(AValue: TTextLayout);
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begin
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if FTextLayout = AValue then
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Exit;
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FTextLayout := AValue;
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Invalidate;
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end;
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procedure TCustomBCMDButton.SetFTextProportional(AValue: boolean);
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begin
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if FTextProportional=AValue then Exit;
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FTextProportional:=AValue;
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Invalidate;
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end;
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procedure TCustomBCMDButton.SetFTextProportionalRatio(AValue: single);
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begin
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if FTextProportionalRatio=AValue then Exit;
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FTextProportionalRatio:=AValue;
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Invalidate;
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end;
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procedure TCustomBCMDButton.CalculatePreferredSize(
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var PreferredWidth, PreferredHeight: integer; WithThemeSpace: boolean);
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var
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bmp: TBGRABitmap;
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s: TSize;
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begin
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bmp := TBGRABitmap.Create;
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bmp.FontName := Font.Name;
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if FTextProportional then
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bmp.FontHeight := Round(Height * FTextProportionalRatio)
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else
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bmp.FontHeight := 0;
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bmp.FontAntialias := True;
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bmp.FontQuality := fqSystemClearType;
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bmp.FontStyle := Font.Style;
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s := bmp.TextSize(GetRealCaption);
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if FTextAutoSize then
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begin
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PreferredWidth := s.Width + 26 {$IFDEF FPC}+ BorderSpacing.InnerBorder{$ENDIF};
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PreferredHeight := s.Height + 10 {$IFDEF FPC}+ BorderSpacing.InnerBorder{$ENDIF};
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end
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else
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begin
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{$IFDEF FPC}//#
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PreferredWidth := BorderSpacing.InnerBorder;
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PreferredHeight := BorderSpacing.InnerBorder;
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{$ENDIF}
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end;
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bmp.Free;
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end;
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procedure TCustomBCMDButton.Paint;
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var
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bmp: TBGRABitmap;
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iTemp: integer;
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alpha: byte;
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tempState: TBCMDButtonState;
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tempText: string;
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tempRounding: integer;
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tempColor, hoverColor: TBGRAPixel;
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begin
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bmp := TBGRABitmap.Create(Width, Height);
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bmp.FontName := Font.Name;
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if FTextProportional then
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bmp.FontHeight := Round(Height * FTextProportionalRatio)
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else
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bmp.FontHeight := 0;
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bmp.FontAntialias := True;
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bmp.FontQuality := fqSystemClearType;
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bmp.FontStyle := Font.Style;
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tempState := FState;
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if Kind = mdbkTab then
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tempRounding := 0
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else
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tempRounding := FRounding;
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if FChecked then
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tempState := mdbsActive
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else
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tempState := FState;
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tempText := GetRealCaption;
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// Enabled
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if Enabled then
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begin
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if not FTimer.Enabled then
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begin
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case tempState of
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mdbsNormal:
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begin
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bmp.RoundRect(0, 0, Width, Height, tempRounding, tempRounding,
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FStyleNormal.Color,
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FStyleNormal.Color);
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{$IFDEF FPC}
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bmp.TextRect(Rect(BorderSpacing.InnerBorder, BorderSpacing.InnerBorder,
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Width - BorderSpacing.InnerBorder, Height - BorderSpacing.InnerBorder),
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tempText, Alignment,
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TextLayout, FStyleNormal.TextColor);
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{$ELSE}
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bmp.TextRect(Rect(0, 0,Width, Height),tempText, Alignment, TextLayout, FStyleNormal.TextColor);
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{$ENDIF}
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end;
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mdbsHover:
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begin
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bmp.RoundRect(0, 0, Width, Height, tempRounding, tempRounding,
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FStyleHover.Color, FStyleHover.Color);
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{$IFDEF FPC}
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bmp.TextRect(Rect(BorderSpacing.InnerBorder, BorderSpacing.InnerBorder,
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Width - BorderSpacing.InnerBorder, Height - BorderSpacing.InnerBorder),
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tempText, Alignment,
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TextLayout, FStyleHover.TextColor);
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{$ELSE}
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bmp.TextRect(Rect(0, 0,Width, Height),tempText, Alignment, TextLayout, FStyleHover.TextColor);
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{$ENDIF}
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end;
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mdbsActive:
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begin
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if not FAnimation then
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begin
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if FKind in [mdbkNormal] then
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bmp.RoundRect(0, 0, Width, Height, tempRounding,
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tempRounding, FStyleActive.Color,
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FStyleActive.Color)
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else
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bmp.RoundRect(0, 0, Width, Height, tempRounding,
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tempRounding, FStyleHover.Color,
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FStyleHover.Color);
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end
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else
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bmp.RoundRect(0, 0, Width, Height, tempRounding, tempRounding,
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FStyleHover.Color,
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FStyleHover.Color);
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{$IFDEF FPC}
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bmp.TextRect(Rect(BorderSpacing.InnerBorder, BorderSpacing.InnerBorder,
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Width - BorderSpacing.InnerBorder, Height - BorderSpacing.InnerBorder),
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tempText, Alignment,
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TextLayout, FStyleActive.TextColor);
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{$ELSE}
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bmp.TextRect(Rect(0, 0,Width, Height),tempText, Alignment, TextLayout, FStyleActive.TextColor);
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{$ENDIF}
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end;
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end;
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end
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else
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begin
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iTemp := round(FCircleSize * easeOutQuad(FPercent));
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alpha := round(easeInOutQuad(FAlphaPercent) * 255);
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case tempState of
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mdbsNormal:
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begin
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bmp.RoundRect(0, 0, Width, Height, tempRounding, tempRounding,
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FStyleNormal.Color,
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FStyleNormal.Color);
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if FPercent < 1 then
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tempColor := FStyleHover.Color
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else
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begin
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tempColor := FStyleNormal.Color;
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hoverColor := ColorToBGRA(FStyleHover.Color, alpha);
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PutPixels(@tempColor, @hoverColor, 1, dmDrawWithTransparency, 255);
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end;
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bmp.FillEllipseAntialias(FCX, FCY, iTemp,
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iTemp, tempColor);
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{$IFDEF FPC}
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bmp.TextRect(Rect(BorderSpacing.InnerBorder, BorderSpacing.InnerBorder,
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Width - BorderSpacing.InnerBorder, Height - BorderSpacing.InnerBorder),
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tempText, Alignment,
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TextLayout, FStyleNormal.TextColor);
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{$ELSE}
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bmp.TextRect(Rect(0, 0,Width, Height),tempText, Alignment, TextLayout, FStyleNormal.TextColor);
|
|
{$ENDIF}
|
|
end;
|
|
mdbsHover, mdbsActive:
|
|
begin
|
|
bmp.RoundRect(0, 0, Width, Height, tempRounding, tempRounding,
|
|
FStyleHover.Color, FStyleHover.Color);
|
|
if FPercent < 1 then
|
|
tempColor := FStyleActive.Color
|
|
else
|
|
begin
|
|
tempColor := FStyleHover.Color;
|
|
hoverColor := ColorToBGRA(FStyleActive.Color, alpha);
|
|
PutPixels(@tempColor, @hoverColor, 1, dmDrawWithTransparency, 255);
|
|
end;
|
|
bmp.FillEllipseAntialias(FCX, FCY, iTemp,
|
|
iTemp, tempColor);
|
|
{$IFDEF FPC}
|
|
bmp.TextRect(Rect(BorderSpacing.InnerBorder, BorderSpacing.InnerBorder,
|
|
Width - BorderSpacing.InnerBorder, Height - BorderSpacing.InnerBorder),
|
|
tempText, Alignment,
|
|
TextLayout, FStyleHover.TextColor);
|
|
{$ELSE}
|
|
bmp.TextRect(Rect(0, 0,Width, Height),tempText, Alignment, TextLayout, FStyleHover.TextColor);
|
|
{$ENDIF}
|
|
end;
|
|
end;
|
|
end;
|
|
end
|
|
// Disabled
|
|
else
|
|
begin
|
|
if FChecked then
|
|
begin
|
|
bmp.RoundRect(0, 0, Width, Height, tempRounding, tempRounding,
|
|
FStyleHover.Color, FStyleHover.Color);
|
|
end
|
|
else
|
|
bmp.RoundRect(0, 0, Width, Height, tempRounding, tempRounding,
|
|
FStyleDisabled.Color, FStyleDisabled.Color);
|
|
{$IFDEF FPC}
|
|
bmp.TextRect(Rect(BorderSpacing.InnerBorder, BorderSpacing.InnerBorder,
|
|
Width - BorderSpacing.InnerBorder, Height - BorderSpacing.InnerBorder),
|
|
tempText, Alignment,
|
|
TextLayout, FStyleDisabled.TextColor);
|
|
{$ELSE}
|
|
bmp.TextRect(Rect(0, 0,Width, Height),tempText, Alignment, TextLayout, FStyleDisabled.TextColor);
|
|
{$ENDIF}
|
|
end;
|
|
|
|
// Tab
|
|
if Kind = mdbkTab then
|
|
begin
|
|
if FTimer.Enabled then
|
|
begin
|
|
iTemp := round((bmp.Width div 2) * easeInOutQuad(FPercent));
|
|
case BCMDBUTTONCHECKMARKPOSITION of
|
|
cmpBottom : begin
|
|
iTemp := round((bmp.Width div 2) * easeInOutQuad(FPercent));
|
|
bmp.Rectangle((bmp.Width div 2) - iTemp, bmp.Height - 2,(bmp.Width div 2) + iTemp, bmp.Height, BCMDBUTTONCHECKMARKCOLOR, dmSet);
|
|
end;
|
|
cmpTop : begin
|
|
iTemp := round((bmp.Width div 2) * easeInOutQuad(FPercent));
|
|
bmp.Rectangle((bmp.Width div 2) - iTemp, 0,(bmp.Width div 2) + iTemp, 2, BCMDBUTTONCHECKMARKCOLOR, dmSet);
|
|
end;
|
|
cmpLeft : begin
|
|
iTemp := round((bmp.Height div 2) * easeInOutQuad(FPercent));
|
|
bmp.Rectangle(0, (bmp.Height div 2) - iTemp, 2, (bmp.Height div 2) + iTemp, BCMDBUTTONCHECKMARKCOLOR, dmSet);
|
|
end;
|
|
cmpRight : begin
|
|
iTemp := round((bmp.Height div 2) * easeInOutQuad(FPercent));
|
|
bmp.Rectangle(bmp.width-2, (bmp.Height div 2) - iTemp, bmp.width, (bmp.Height div 2) + iTemp, BCMDBUTTONCHECKMARKCOLOR, dmSet);
|
|
end;
|
|
end; // case
|
|
end
|
|
else
|
|
begin
|
|
if FChecked then
|
|
case BCMDBUTTONCHECKMARKPOSITION of
|
|
cmpBottom : bmp.Rectangle(0, bmp.Height - 2, bmp.Width, bmp.Height, BCMDBUTTONCHECKMARKCOLOR, dmSet);
|
|
cmpTop : bmp.Rectangle(0, 0, bmp.Width, 2, BCMDBUTTONCHECKMARKCOLOR, dmSet);
|
|
cmpLeft : bmp.Rectangle(0, 0, 2, bmp.Height, BCMDBUTTONCHECKMARKCOLOR, dmSet);
|
|
cmpRight : bmp.Rectangle(bmp.Width - 2, 0, bmp.Width, bmp.Height, BCMDBUTTONCHECKMARKCOLOR, dmSet);
|
|
end; // case
|
|
end;
|
|
end;
|
|
|
|
{$IFDEF MDBUTTON_DEBUG}
|
|
bmp.FontHeight := 10;
|
|
bmp.TextOut(0, 0, FCount.ToString, BGRA(255, 0, 0, 255));
|
|
FCount += 1;
|
|
{$ENDIF}
|
|
bmp.Draw(Canvas, 0, 0, False);
|
|
bmp.Free;
|
|
inherited Paint;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.MouseDown(Button: TMouseButton; Shift: TShiftState;
|
|
X, Y: integer);
|
|
begin
|
|
inherited MouseDown(Button, Shift, X, Y);
|
|
FState := mdbsActive;
|
|
if FAnimation and BCMDBUTTONANIMATION then
|
|
begin
|
|
FCircleSize := max(round(Width / 1.5) + abs((Width div 2) - X),
|
|
round(Height / 1.5) + abs((Height div 2) - Y));
|
|
FCX := X;
|
|
FCY := Y;
|
|
FTimer.Enabled := False;
|
|
FTimer.Enabled := True;
|
|
{$IFDEF MDBUTTON_ANIMATEONLYONE}
|
|
MDAnimating := Self;
|
|
{$ENDIF}
|
|
end;
|
|
if FKind in [mdbkToggle, mdbkToggleGroup, mdbkCheckBox, mdbkRadioButton, mdbkTab] then
|
|
begin
|
|
FChecked := not FChecked;
|
|
if FKind in [mdbkToggleGroup, mdbkRadioButton, mdbkTab] then
|
|
begin
|
|
FChecked := True;
|
|
UncheckOthers;
|
|
end;
|
|
end;
|
|
Invalidate;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.MouseUp(Button: TMouseButton; Shift: TShiftState;
|
|
X, Y: integer);
|
|
begin
|
|
inherited MouseUp(Button, Shift, X, Y);
|
|
if (x > 0) and (x < Width) and (y > 0) and (y < Height) and (FState = mdbsActive) then
|
|
FState := mdbsHover
|
|
else
|
|
FState := mdbsNormal;
|
|
Invalidate;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.MouseEnter;
|
|
begin
|
|
inherited MouseEnter;
|
|
FState := mdbsHover;
|
|
Invalidate;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.MouseLeave;
|
|
begin
|
|
inherited MouseLeave;
|
|
FState := mdbsNormal;
|
|
Invalidate;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.RealSetText(const Value: TCaption);
|
|
begin
|
|
inherited RealSetText(Value);
|
|
InvalidatePreferredSize;
|
|
Invalidate;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.OnTimer(Sender: TObject);
|
|
begin
|
|
{$IFDEF MDBUTTON_ANIMATEONLYONE}
|
|
if MDAnimating = Self then
|
|
begin
|
|
{$ENDIF}
|
|
FPercent := FPercent + BCMDBUTTONANIMATIONSPEED;
|
|
if FPercent < 0 then
|
|
FPercent := 0
|
|
else if FPercent > 1 then
|
|
FPercent := 1;
|
|
|
|
if FPercent = 1 then
|
|
begin
|
|
FAlphaPercent := FAlphaPercent -BCMDBUTTONANIMATIONSPEED;
|
|
if FAlphaPercent < 0 then
|
|
FAlphaPercent := 0
|
|
else if FAlphaPercent > 1 then
|
|
FAlphaPercent := 1;
|
|
end;
|
|
{$IFDEF MDBUTTON_ANIMATEONLYONE}
|
|
end
|
|
else
|
|
FTimer.Enabled := False;
|
|
{$ENDIF}
|
|
|
|
Invalidate;
|
|
if (FPercent >= 1) and (FAlphaPercent <= 0) then
|
|
FTimer.Enabled := False;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.OnStartTimer(Sender: TObject);
|
|
begin
|
|
FPercent := 0;
|
|
FAlphaPercent := 1;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.OnStopTimer(Sender: TObject);
|
|
begin
|
|
|
|
end;
|
|
|
|
function TCustomBCMDButton.easeInOutQuad(t: double): double;
|
|
begin
|
|
if t < 0.5 then
|
|
Result := 2 * t * t
|
|
else
|
|
Result := -1 + (4 - 2 * t) * t;
|
|
end;
|
|
|
|
function TCustomBCMDButton.easeOutQuad(t: double): double;
|
|
begin
|
|
Result := t * (2 - t);
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.UncheckOthers;
|
|
var
|
|
i: integer;
|
|
control: TWinControl;
|
|
begin
|
|
if Parent is TWinControl then
|
|
begin
|
|
control := TWinControl(Parent);
|
|
for i := 0 to control.ControlCount - 1 do
|
|
if (control.Controls[i] <> Self) and (control.Controls[i] is TCustomBCMDButton) then
|
|
if (TCustomBCMDButton(control.Controls[i]).Kind in
|
|
[mdbkToggleGroup, mdbkRadioButton, mdbkTab]) then
|
|
TCustomBCMDButton(control.Controls[i]).Checked := False;
|
|
end;
|
|
end;
|
|
|
|
class function TCustomBCMDButton.GetControlClassDefaultSize: TSize;
|
|
begin
|
|
Result.CX := 75;
|
|
Result.CY := 25;
|
|
end;
|
|
|
|
function TCustomBCMDButton.GetRealCaption: string;
|
|
var
|
|
tempText: string;
|
|
begin
|
|
tempText := Caption;
|
|
|
|
case FKind of
|
|
mdbkCheckBox:
|
|
begin
|
|
if Length(Caption) > 0 then
|
|
tempText := ' ' + Caption;
|
|
if FChecked then
|
|
tempText := BCMDBUTTONBALLOTBOXWITHCHECK + tempText
|
|
else
|
|
tempText := BCMDBUTTONBALLOTBOX + tempText;
|
|
end;
|
|
mdbkRadioButton:
|
|
begin
|
|
if Length(Caption) > 0 then
|
|
tempText := ' ' + Caption;
|
|
if FChecked then
|
|
tempText := BCMDBUTTONRADIOBUTTON + tempText
|
|
else
|
|
tempText := BCMDBUTTONRADIOBUTTONCIRCLE + tempText;
|
|
end;
|
|
end;
|
|
result := tempText;
|
|
end;
|
|
|
|
constructor TCustomBCMDButton.Create(AOwner: TComponent);
|
|
begin
|
|
inherited Create(AOwner);
|
|
{$IFDEF INDEBUG}
|
|
FCount := 0;
|
|
{$ENDIF}
|
|
// State
|
|
FState := mdbsNormal;
|
|
FChecked := False;
|
|
FKind := mdbkNormal;
|
|
// Text
|
|
FTextAutoSize := True;
|
|
FAlignment := taCenter;
|
|
FTextLayout := tlCenter;
|
|
FTextProportional := False;
|
|
FTextProportionalRatio := 0.5;
|
|
// Style
|
|
FRounding := 6;
|
|
FStyleNormal := TBCMDButtonStyle.Create;
|
|
FStyleNormal.OnChange := OnChangeStyle;
|
|
FStyleHover := TBCMDButtonStyle.Create;
|
|
FStyleHover.OnChange := OnChangeStyle;
|
|
FStyleActive := TBCMDButtonStyle.Create;
|
|
FStyleActive.OnChange := OnChangeStyle;
|
|
FStyleDisabled := TBCMDButtonStyle.Create;
|
|
FStyleDisabled.OnChange := OnChangeStyle;
|
|
// Default Style
|
|
FStyleHover.Color := RGBToColor(220, 220, 220);
|
|
FStyleActive.Color := RGBToColor(198, 198, 198);
|
|
FStyleDisabled.TextColor := RGBToColor(163, 163, 163);
|
|
// Animation
|
|
FAnimation := False;
|
|
FTimer := TTimer.Create(Self);
|
|
FTimer.Enabled := False;
|
|
FTimer.Interval := BCMDBUTTONTIMERSPEED;
|
|
FTimer.OnTimer := OnTimer;
|
|
{$IFDEF FPC}//#
|
|
FTimer.OnStartTimer := OnStartTimer;
|
|
FTimer.OnStopTimer := OnStopTimer;
|
|
{$ENDIF}
|
|
// Setup default sizes
|
|
with GetControlClassDefaultSize do
|
|
SetInitialBounds(0, 0, CX, CY);
|
|
end;
|
|
|
|
destructor TCustomBCMDButton.Destroy;
|
|
begin
|
|
FTimer.OnTimer := nil;
|
|
{$IFDEF FPC}//#
|
|
FTimer.OnStartTimer := nil;
|
|
FTimer.OnStopTimer := nil;
|
|
{$ENDIF}
|
|
FTimer.Enabled := False;
|
|
FStyleNormal.Free;
|
|
FStyleHover.Free;
|
|
FStyleActive.Free;
|
|
FStyleDisabled.Free;
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.SelectAll;
|
|
var
|
|
i: integer;
|
|
control: TWinControl;
|
|
begin
|
|
if (Parent <> nil) and (Parent is TWinControl) then
|
|
begin
|
|
control := TWinControl(Parent);
|
|
for i := 0 to control.ControlCount - 1 do
|
|
if (control.Controls[i] is TCustomBCMDButton) then
|
|
if (TCustomBCMDButton(control.Controls[i]).Kind in
|
|
[mdbkToggle, mdbkCheckBox]) then
|
|
TCustomBCMDButton(control.Controls[i]).Checked := True;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.UnselectAll;
|
|
var
|
|
i: integer;
|
|
control: TWinControl;
|
|
begin
|
|
if (Parent <> nil) and (Parent is TWinControl) then
|
|
begin
|
|
control := TWinControl(Parent);
|
|
for i := 0 to control.ControlCount - 1 do
|
|
if (control.Controls[i] is TCustomBCMDButton) then
|
|
if (TCustomBCMDButton(control.Controls[i]).Kind in
|
|
[mdbkToggle, mdbkCheckBox]) then
|
|
TCustomBCMDButton(control.Controls[i]).Checked := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomBCMDButton.InvertSelection;
|
|
var
|
|
i: integer;
|
|
control: TWinControl;
|
|
begin
|
|
if (Parent <> nil) and (Parent is TWinControl) then
|
|
begin
|
|
control := TWinControl(Parent);
|
|
for i := 0 to control.ControlCount - 1 do
|
|
if (control.Controls[i] is TCustomBCMDButton) then
|
|
if (TCustomBCMDButton(control.Controls[i]).Kind in
|
|
[mdbkToggle, mdbkCheckBox]) then
|
|
TCustomBCMDButton(control.Controls[i]).Checked :=
|
|
not TCustomBCMDButton(control.Controls[i]).Checked;
|
|
end;
|
|
end;
|
|
|
|
function TCustomBCMDButton.GetSelected: TStringList;
|
|
var
|
|
i: integer;
|
|
control: TWinControl;
|
|
begin
|
|
Result := TStringList.Create;
|
|
if (Parent <> nil) and (Parent is TWinControl) then
|
|
begin
|
|
control := TWinControl(Parent);
|
|
for i := 0 to control.ControlCount - 1 do
|
|
if (control.Controls[i] is TCustomBCMDButton) then
|
|
if TCustomBCMDButton(control.Controls[i]).Checked then
|
|
Result.AddObject(TCustomBCMDButton(control.Controls[i]).Caption,
|
|
TCustomBCMDButton(control.Controls[i]));
|
|
end;
|
|
end;
|
|
|
|
end.
|