mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-04-06 00:18:08 +02:00
986 lines
36 KiB
ObjectPascal
986 lines
36 KiB
ObjectPascal
{
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/***************************************************************************
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dialogs.pp
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----------
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Component Library Standard dialogs Controls
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***************************************************************************/
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*****************************************************************************
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This file is part of the Lazarus Component Library (LCL)
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See the file COPYING.modifiedLGPL.txt, included in this distribution,
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for details about the license.
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*****************************************************************************
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}
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unit Dialogs;
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{$mode objfpc}{$H+}
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interface
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uses
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// RTL + FCL
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Types, typinfo, Classes, SysUtils,
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// LCL
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LMessages, LResources, LCLIntf, InterfaceBase, LCLStrConsts, LCLType,
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Forms, Controls, Themes, Graphics, Buttons, ButtonPanel, StdCtrls,
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ExtCtrls, LCLClasses, ClipBrd, Menus, LCLTaskDialog,
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// LazUtils
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GraphType, UITypes, FileUtil, LazFileUtils, LazStringUtils, LazLoggerBase;
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type
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// Aliases for types in UITypes.
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TMsgDlgType = UITypes.TMsgDlgType;
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TMsgDlgBtn = UITypes.TMsgDlgBtn;
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TMsgDlgButtons = UITypes.TMsgDlgButtons;
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const
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// Aliases for enum values in UITypes.
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mtWarning = UITypes.TMsgDlgType.mtWarning;
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mtError = UITypes.TMsgDlgType.mtError;
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mtInformation = UITypes.TMsgDlgType.mtInformation;
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mtConfirmation = UITypes.TMsgDlgType.mtConfirmation;
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mtCustom = UITypes.TMsgDlgType.mtCustom;
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mbYes = UITypes.TMsgDlgBtn.mbYes;
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mbNo = UITypes.TMsgDlgBtn.mbNo;
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mbOK = UITypes.TMsgDlgBtn.mbOK;
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mbCancel = UITypes.TMsgDlgBtn.mbCancel;
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mbAbort = UITypes.TMsgDlgBtn.mbAbort;
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mbRetry = UITypes.TMsgDlgBtn.mbRetry;
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mbIgnore = UITypes.TMsgDlgBtn.mbIgnore;
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mbAll = UITypes.TMsgDlgBtn.mbAll;
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mbNoToAll = UITypes.TMsgDlgBtn.mbNoToAll;
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mbYesToAll = UITypes.TMsgDlgBtn.mbYesToAll;
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mbHelp = UITypes.TMsgDlgBtn.mbHelp;
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mbClose = UITypes.TMsgDlgBtn.mbClose;
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// Combinations of buttons.
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mbYesNoCancel = [mbYes, mbNo, mbCancel];
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mbYesNo = [mbYes, mbNo];
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mbOKCancel = [mbOK, mbCancel];
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mbAbortRetryIgnore = [mbAbort, mbRetry, mbIgnore];
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MsgDlgBtnToBitBtnKind: array[TMsgDlgBtn] of TBitBtnKind = (
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bkYes, bkNo, bkOK, bkCancel, bkAbort, bkRetry, bkIgnore,
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bkAll, bkNoToAll, bkYesToAll, bkHelp, bkClose
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);
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BitBtnKindToMsgDlgBtn: array[TBitBtnKind] of TMsgDlgBtn = (
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mbOk, mbOK, mbCancel, mbHelp, mbYes, mbNo,
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mbClose, mbAbort, mbRetry, mbIgnore, mbAll, mbNoToALl, mbYesToAll
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);
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type
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{ TCommonDialog }
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TCDWSEventCapability = (cdecWSPerformsDoShow, cdecWSPerformsDoCanClose, cdecWSPerformsDoClose,
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cdecWSNOCanCloseSupport);
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TCDWSEventCapabilities = set of TCDWSEventCapability;
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TDialogResultEvent = procedure(sender: TObject; Success: boolean) of object;
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TCommonDialog = class(TLCLComponent)
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private
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FAttachTo: TCustomForm;
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FHandle : THandle;
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FHeight: integer;
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FOnDialogResult: TDialogResultEvent;
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FWidth: integer;
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FOnCanClose: TCloseQueryEvent;
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FOnShow, FOnClose : TNotifyEvent;
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FTitle : string;
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FUserChoice: integer;
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FHelpContext: THelpContext;
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FDoCanCloseCalled: Boolean;
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FDoShowCalled: Boolean;
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FDoCloseCalled: Boolean;
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FClosing: boolean;
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FWSEventCapabilities :TCDWSEventCapabilities;
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procedure SetHandle(const AValue: THandle);
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function IsTitleStored: boolean;
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protected
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class procedure WSRegisterClass; override;
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function DoExecute : boolean; virtual;
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function DefaultTitle: string; virtual;
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function GetHeight: Integer; virtual;
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function GetWidth: Integer; virtual;
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procedure SetHeight(const AValue: integer); virtual;
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procedure SetWidth(const AValue: integer); virtual;
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procedure ResetShowCloseFlags;
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property AttachTo: TCustomForm read FAttachTo write FAttachTo; platform;
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property OnDialogResult:TDialogResultEvent read FOnDialogResult write FOnDialogResult; platform;
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public
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FCompStyle : LongInt;
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constructor Create(TheOwner: TComponent); override;
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function Execute: boolean; virtual;
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property Handle: THandle read FHandle write SetHandle;
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property UserChoice: integer read FUserChoice write FUserChoice;
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procedure Close; virtual;
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procedure DoShow; virtual;
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procedure DoCanClose(var CanClose: Boolean); virtual;
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procedure DoClose; virtual;
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function HandleAllocated: boolean;
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property Width: integer read GetWidth write SetWidth;
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property Height: integer read GetHeight write SetHeight;
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published
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property OnClose: TNotifyEvent read FOnClose write FOnClose;
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property OnCanClose: TCloseQueryEvent read FOnCanClose write FOnCanClose;
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property OnShow: TNotifyEvent read FOnShow write FOnShow;
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property HelpContext: THelpContext read FHelpContext write FHelpContext default 0;
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property Title: TTranslateString read FTitle write FTitle stored IsTitleStored;
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end;
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{ TFileDialog }
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TFileDialog = class(TCommonDialog)
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private
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FInternalFilterIndex: Integer;
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FDefaultExt: string;
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FFileName : String;
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FFiles: TStrings;
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FFilter: String;
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FFilterIndex: Integer;
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FHistoryList: TStrings;
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FInitialDir: string;
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FOnHelpClicked: TNotifyEvent;
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FOnTypeChange: TNotifyEvent;
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procedure SetDefaultExt(const AValue: string);
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procedure SetFilterIndex(const AValue: Integer);
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protected
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class procedure WSRegisterClass; override;
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function GetFilterIndex: Integer; virtual;
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procedure SetFileName(const Value: String); virtual;
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procedure SetFilter(const Value: String); virtual;
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procedure SetHistoryList(const AValue: TStrings); virtual;
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public
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constructor Create(TheOwner: TComponent); override;
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destructor Destroy; override;
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procedure DoCanClose(var CanClose: Boolean); override;
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procedure DoTypeChange; virtual;
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property Files: TStrings read FFiles;
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property HistoryList: TStrings read FHistoryList write SetHistoryList;
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procedure IntfFileTypeChanged(NewFilterIndex: Integer);
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class function FindMaskInFilter(aFilter, aMask: string): integer;
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class function ExtractAllFilterMasks(aFilter: string;
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SkipAllFilesMask: boolean = true): string;
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published
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property Title;
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property DefaultExt: string read FDefaultExt write SetDefaultExt;
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property FileName: String read FFileName write SetFileName;
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property Filter: String read FFilter write SetFilter;
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property FilterIndex: Integer read GetFilterIndex write SetFilterIndex default 1;
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property InitialDir: string read FInitialDir write FInitialDir;
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property OnHelpClicked: TNotifyEvent read FOnHelpClicked write FOnHelpClicked;
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property OnTypeChange: TNotifyEvent read FOnTypeChange write FOnTypeChange;
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end;
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{ TOpenDialog }
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TOpenOption = (
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ofReadOnly,
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ofOverwritePrompt, // if selected file exists shows a message, that file
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// will be overwritten
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ofHideReadOnly, // hide read only file
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ofNoChangeDir, // do not change current directory
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ofShowHelp, // show a help button
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ofNoValidate,
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ofAllowMultiSelect,// allow multiselection
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ofExtensionDifferent,
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ofPathMustExist, // shows an error message if selected path does not exist
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ofFileMustExist, // shows an error message if selected file does not exist
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ofCreatePrompt,
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ofShareAware,
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ofNoReadOnlyReturn,// do not return filenames that are readonly
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ofNoTestFileCreate,
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ofNoNetworkButton,
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ofNoLongNames,
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ofOldStyleDialog,
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ofNoDereferenceLinks,// do not resolve links while dialog is shown (only on Windows, see OFN_NODEREFERENCELINKS)
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ofNoResolveLinks, // do not resolve links after Execute
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ofEnableIncludeNotify,
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ofEnableSizing, // dialog can be resized, e.g. via the mouse
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ofDontAddToRecent, // do not add the path to the history list
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ofForceShowHidden, // show hidden files
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ofViewDetail, // details are OS and interface dependent
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ofAutoPreview // details are OS and interface dependent
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);
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TOpenOptions = set of TOpenOption;
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const
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DefaultOpenDialogOptions = [ofEnableSizing, ofViewDetail];
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type
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TOpenDialog = class(TFileDialog)
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private
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FOnFolderChange: TNotifyEvent;
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FOnSelectionChange: TNotifyEvent;
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FOptions: TOpenOptions;
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FLastSelectionChangeFilename: string;
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protected
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class procedure WSRegisterClass; override;
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procedure ResolveLinks; virtual;
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procedure DereferenceLinks; virtual; deprecated 'override ResolveLinks instead' {Laz 1.9};
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function CheckFile(var AFilename: string): boolean; virtual;
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function CheckFileMustExist(const AFileName: string): boolean; virtual;
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function CheckAllFiles: boolean; virtual;
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function DoExecute: boolean; override;
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function DefaultTitle: string; override;
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public
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constructor Create(TheOwner: TComponent); override;
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procedure DoCanClose(var CanClose: Boolean); override;
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procedure DoFolderChange; virtual;
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procedure DoSelectionChange; virtual;
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procedure IntfSetOption(const AOption: TOpenOption; const AValue: Boolean);
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published
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property Options: TOpenOptions read FOptions write FOptions default DefaultOpenDialogOptions;
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property OnFolderChange: TNotifyEvent read FOnFolderChange write FOnFolderChange;
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property OnSelectionChange: TNotifyEvent read FOnSelectionChange write FOnSelectionChange;
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end;
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{ TSaveDialog }
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TSaveDialog = class(TOpenDialog)
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protected
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class procedure WSRegisterClass; override;
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function DefaultTitle: string; override;
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public
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constructor Create(AOwner: TComponent); override;
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end;
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{ TSelectDirectoryDialog }
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TSelectDirectoryDialog = class(TOpenDialog)
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protected
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class procedure WSRegisterClass; override;
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function CheckFileMustExist(const AFilename: string): boolean; override;
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function DefaultTitle: string; override;
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public
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constructor Create(AOwner: TComponent); override;
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end;
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{ TColorDialog }
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TColorDialog = class(TCommonDialog)
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private
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FColor: TColor;
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FCustomColors: TStrings;
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procedure SetCustomColors(const AValue: TStrings);
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procedure AddDefaultColor(const s: AnsiString);
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protected
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class procedure WSRegisterClass; override;
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function DefaultTitle: string; override;
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public
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constructor Create(TheOwner: TComponent); override;
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destructor Destroy; override;
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published
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property Title;
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property Color: TColor read FColor write FColor;
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// entry looks like ColorA = FFFF00 ... ColorX = C0C0C0
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property CustomColors: TStrings read FCustomColors write SetCustomColors;
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end;
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{ TColorButton }
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TColorButton = class(TCustomSpeedButton)
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private
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FBorderWidth: Integer;
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FButtonColorAutoSize: Boolean;
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FButtonColorSize: Integer;
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FButtonColor: TColor;
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FColorDialog: TColorDialog;
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FOnColorChanged: TNotifyEvent;
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FDisabledPattern: TBitmap;
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function IsButtonColorAutoSizeStored: boolean;
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procedure SetBorderWidth(const AValue: Integer);
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procedure SetButtonColor(const AValue: TColor);
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procedure SetButtonColorAutoSize(const AValue: Boolean);
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procedure SetButtonColorSize(const AValue: Integer);
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protected
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class procedure WSRegisterClass; override;
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function DrawGlyph(ACanvas: TCanvas; const AClient: TRect; const AOffset: TPoint;
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AState: TButtonState; ATransparent: Boolean; BiDiFlags: Longint): TRect; override;
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function GetDisabledPattern: TBitmap; virtual;
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function GetGlyphSize(Drawing: boolean; PaintRect: TRect): TSize; override;
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class function GetControlClassDefaultSize: TSize; override;
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procedure ShowColorDialog; virtual;
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public
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constructor Create(AnOwner: TComponent); override;
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destructor Destroy; Override;
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procedure Click; override;
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published
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property Action;
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property Align;
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property Anchors;
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property AllowAllUp;
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property BorderSpacing;
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property BorderWidth: Integer read FBorderWidth write SetBorderWidth;
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property ButtonColorAutoSize: Boolean read FButtonColorAutoSize
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write SetButtonColorAutoSize
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stored IsButtonColorAutoSizeStored;
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property ButtonColorSize: Integer read FButtonColorSize write SetButtonColorSize;
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property ButtonColor: TColor read FButtonColor write SetButtonColor;
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property ColorDialog: TColorDialog read FColorDialog write FColorDialog;
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property Constraints;
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property Caption;
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property Color;
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property Down;
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property Enabled;
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property Flat;
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property Font;
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property GroupIndex;
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property Hint;
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property Layout;
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property Margin;
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property Spacing;
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property Transparent;
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property Visible;
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property OnClick;
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property OnColorChanged: TNotifyEvent read FOnColorChanged
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write FOnColorChanged;
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property OnDblClick;
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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 OnPaint;
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property OnResize;
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property OnChangeBounds;
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property ShowHint;
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property ParentFont;
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property ParentShowHint;
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property PopupMenu;
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end;
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{ TFontDialog }
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TFontDialogOption = (fdAnsiOnly, fdTrueTypeOnly, fdEffects,
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fdFixedPitchOnly, fdForceFontExist, fdNoFaceSel, fdNoOEMFonts,
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fdNoSimulations, fdNoSizeSel, fdNoStyleSel, fdNoVectorFonts,
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fdShowHelp, fdWysiwyg, fdLimitSize, fdScalableOnly, fdApplyButton);
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TFontDialogOptions = set of TFontDialogOption;
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TFontDialog = class(TCommonDialog)
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private
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FFont: TFont;
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FMaxFontSize: Integer;
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FMinFontSize: Integer;
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FOnApplyClicked: TNotifyEvent;
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FOptions: TFontDialogOptions;
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FPreviewText: string;
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procedure SetFont(const AValue: TFont);
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protected
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class procedure WSRegisterClass; override;
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function DefaultTitle: string; override;
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public
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procedure ApplyClicked; virtual;
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constructor Create (AOwner : TComponent); override;
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destructor Destroy; override;
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published
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property Title;
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property Font: TFont read FFont write SetFont;
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property MinFontSize: Integer read FMinFontSize write FMinFontSize;
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property MaxFontSize: Integer read FMaxFontSize write FMaxFontSize;
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property Options: TFontDialogOptions
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read FOptions write FOptions default [fdEffects];
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property OnApplyClicked: TNotifyEvent
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read FOnApplyClicked write FOnApplyClicked;
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property PreviewText: string read FPreviewText write FPreviewText;
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end;
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{ TFindDialog }
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TFindOption = (frDown, frFindNext, frHideMatchCase, frHideWholeWord,
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frHideUpDown, frMatchCase, frDisableMatchCase, frDisableUpDown,
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frDisableWholeWord, frReplace, frReplaceAll, frWholeWord, frShowHelp,
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frEntireScope, frHideEntireScope, frPromptOnReplace, frHidePromptOnReplace,
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frButtonsAtBottom);
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TFindOptions = set of TFindOption;
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TFindDialog = class(TCommonDialog)
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private
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FFormLeft: integer;
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FFormTop: integer;
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function GetReplaceText: string;
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function GetFindText: string;
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function GetLeft: Integer;
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function GetPosition: TPoint;
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function GetTop: Integer;
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procedure SetFindText(const AValue: string);
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procedure SetLeft(const AValue: Integer);
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procedure SetOptions(AValue: TFindOptions);
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procedure SetPosition(const AValue: TPoint);
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procedure SetTop(const AValue: Integer);
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procedure SetReplaceText(const AValue: string);
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protected
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FFindForm: TForm;
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FOnReplace: TNotifyEvent;
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FOnFind: TNotifyEvent;
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FOptions: TFindOptions;
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FOnHelpClicked: TNotifyEvent;
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FReplaceText: string;
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FFindText: string;
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function DefaultTitle: string; override;
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procedure FindClick(Sender: TObject);
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procedure HelpClick(Sender: TObject);
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procedure CancelClick(Sender: TObject);
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function GetHeight: Integer; override;
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function GetWidth: Integer; override;
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procedure DoCloseForm(Sender: TObject; var CloseAction: TCloseAction);virtual;
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procedure DoShowForm(Sender: TObject);virtual;
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procedure Find; virtual;
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procedure Help; virtual;
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procedure Replace; virtual;
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function CreateForm:TForm;virtual;
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procedure SetFormValues;virtual;
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procedure GetFormValues; virtual;
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Procedure CalcPosition(aForm:Tform);
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property ReplaceText: string read GetReplaceText write SetReplaceText;
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property OnReplace: TNotifyEvent read FOnReplace write FOnReplace;
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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 CloseDialog;
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function Execute: Boolean; override;
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property Left: Integer read GetLeft write SetLeft;
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property Position: TPoint read GetPosition write SetPosition;
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property Top: Integer read GetTop write SetTop;
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published
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property FindText: string read GetFindText write SetFindText;
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property Options: TFindOptions read FOptions write SetOptions default [frDown];
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property OnFind: TNotifyEvent read FOnFind write FOnFind;
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property OnHelpClicked: TNotifyEvent read FOnHelpClicked write FOnHelpClicked;
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end;
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{ TReplaceDialog }
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TReplaceDialog = class(TFindDialog)
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protected
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function DefaultTitle: string; override;
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procedure ReplaceClick(Sender: TObject);
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procedure ReplaceAllClick(Sender: TObject);
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function CreateForm: TForm; override;
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procedure SetFormValues; override;
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procedure GetFormValues; override;
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public
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constructor Create(AOwner: TComponent); override;
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published
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property ReplaceText;
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property OnReplace;
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end;
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{ TPrinterSetupDialog }
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TCustomPrinterSetupDialog = class(TCommonDialog)
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end;
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{ TPrintDialog }
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TPrintRange = (prAllPages, prSelection, prPageNums, prCurrentPage);
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TPrintDialogOption = (poPrintToFile, poPageNums, poSelection, poWarning,
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poHelp, poDisablePrintToFile, poBeforeBeginDoc);
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TPrintDialogOptions = set of TPrintDialogOption;
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TCustomPrintDialog = class(TCommonDialog)
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private
|
|
FFromPage: Integer;
|
|
FToPage: Integer;
|
|
FCollate: Boolean;
|
|
FOptions: TPrintDialogOptions;
|
|
FPrintToFile: Boolean;
|
|
FPrintRange: TPrintRange;
|
|
FMinPage: Integer;
|
|
FMaxPage: Integer;
|
|
FCopies: Integer;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
public
|
|
property Collate: Boolean read FCollate write FCollate default False;
|
|
property Copies: Integer read FCopies write FCopies default 1;
|
|
property FromPage: Integer read FFromPage write FFromPage default 0;
|
|
property MinPage: Integer read FMinPage write FMinPage default 0;
|
|
property MaxPage: Integer read FMaxPage write FMaxPage default 0;
|
|
property Options: TPrintDialogOptions read FOptions write FOptions default [];
|
|
property PrintToFile: Boolean read FPrintToFile write FPrintToFile default False;
|
|
property PrintRange: TPrintRange read FPrintRange write FPrintRange default prAllPages;
|
|
property ToPage: Integer read FToPage write FToPage default 0;
|
|
end;
|
|
|
|
{ TTaskDialog }
|
|
|
|
type
|
|
TCustomTaskDialog = class;
|
|
|
|
TTaskDialogFlag = (tfEnableHyperlinks, tfUseHiconMain,
|
|
tfUseHiconFooter, tfAllowDialogCancellation,
|
|
tfUseCommandLinks, tfUseCommandLinksNoIcon,
|
|
tfExpandFooterArea, tfExpandedByDefault,
|
|
tfVerificationFlagChecked, tfShowProgressBar,
|
|
tfShowMarqueeProgressBar, tfCallbackTimer,
|
|
tfPositionRelativeToWindow, tfRtlLayout,
|
|
tfNoDefaultRadioButton, tfCanBeMinimized);
|
|
TTaskDialogFlags = set of TTaskDialogFlag;
|
|
|
|
TTaskDialogCommonButton = (tcbOk, tcbYes, tcbNo, tcbCancel, tcbRetry, tcbClose);
|
|
TTaskDialogCommonButtons = set of TTaskDialogCommonButton;
|
|
|
|
TTaskDlgClickEvent = procedure(Sender: TObject; AModalResult: TModalResult; var ACanClose: Boolean) of object;
|
|
|
|
TTaskDialogIcon = (tdiNone, tdiWarning, tdiError, tdiInformation, tdiShield, tdiQuestion);
|
|
|
|
TTaskDialogButtons = class;
|
|
|
|
TTaskDialogBaseButtonItem = class(TCollectionItem)
|
|
private
|
|
FCaption: TTranslateString;
|
|
FClient: TCustomTaskDialog;
|
|
FModalResult: TModalResult;
|
|
function GetDefault: Boolean;
|
|
procedure SetCaption(const ACaption: TTranslateString);
|
|
procedure SetDefault(const Value: Boolean);
|
|
protected
|
|
property Client: TCustomTaskDialog read FClient;
|
|
function GetDisplayName: TTranslateString; override;
|
|
function TaskButtonCollection: TTaskDialogButtons;
|
|
public
|
|
constructor Create(ACollection: TCollection); override;
|
|
property ModalResult: TModalResult read FModalResult write FModalResult;
|
|
published
|
|
property Caption: TTranslateString read FCaption write SetCaption;
|
|
property Default: Boolean read GetDefault write SetDefault default False;
|
|
end;
|
|
|
|
TTaskDialogButtonItem = class(TTaskDialogBaseButtonItem)
|
|
public
|
|
constructor Create(ACollection: TCollection); override;
|
|
published
|
|
property ModalResult;
|
|
end;
|
|
|
|
TTaskDialogRadioButtonItem = class(TTaskDialogBaseButtonItem)
|
|
public
|
|
constructor Create(ACollection: TCollection); override;
|
|
end;
|
|
|
|
TTaskDialogButtonsEnumerator = class
|
|
private
|
|
FIndex: Integer;
|
|
FCollection: TTaskDialogButtons;
|
|
public
|
|
constructor Create(ACollection: TTaskDialogButtons);
|
|
function GetCurrent: TTaskDialogBaseButtonItem;
|
|
function MoveNext: Boolean;
|
|
property Current: TTaskDialogBaseButtonItem read GetCurrent;
|
|
end;
|
|
|
|
TTaskDialogButtons = class(TOwnedCollection)
|
|
private
|
|
FDefaultButton: TTaskDialogBaseButtonItem;
|
|
function GetItem(Index: Integer): TTaskDialogBaseButtonItem;
|
|
procedure SetDefaultButton(const Value: TTaskDialogBaseButtonItem);
|
|
procedure SetItem(Index: Integer; const Value: TTaskDialogBaseButtonItem);
|
|
public
|
|
function Add: TTaskDialogBaseButtonItem;
|
|
function FindButton(AModalResult: TModalResult): TTaskDialogBaseButtonItem;
|
|
function GetEnumerator: TTaskDialogButtonsEnumerator;
|
|
property DefaultButton: TTaskDialogBaseButtonItem read FDefaultButton write SetDefaultButton;
|
|
property Items[Index: Integer]: TTaskDialogBaseButtonItem read GetItem write SetItem; default;
|
|
end;
|
|
|
|
TCustomTaskDialog = class(TComponent)
|
|
private
|
|
FButton: TTaskDialogButtonItem;
|
|
FButtons: TTaskDialogButtons;
|
|
FCaption: TTranslateString;
|
|
FCommonButtons: TTaskDialogCommonButtons;
|
|
FDefaultButton: TTaskDialogCommonButton;
|
|
FExpandButtonCaption: TTranslateString;
|
|
FExpandedText: TTranslateString;
|
|
FFlags: TTaskDialogFlags;
|
|
FFooterIcon: TTaskDialogIcon;
|
|
FFooterText: TTranslateString;
|
|
FMainIcon: TTaskDialogIcon;
|
|
FModalResult: TModalResult;
|
|
FRadioButton: TTaskDialogRadioButtonItem;
|
|
FRadioButtons: TTaskDialogButtons;
|
|
FText: TTranslateString;
|
|
FTitle: TTranslateString;
|
|
FVerificationText: TTranslateString;
|
|
FOnButtonClicked: TTaskDlgClickEvent;
|
|
procedure DoOnButtonClickedHandler(Sender: PTaskDialog; AButtonID: integer;
|
|
var ACanClose: Boolean);
|
|
procedure SetButtons(const Value: TTaskDialogButtons);
|
|
procedure SetRadioButtons(const Value: TTaskDialogButtons);
|
|
function ButtonIDToModalResult(const AButtonID: Integer): TModalResult;
|
|
protected
|
|
function DoExecute(ParentWnd: HWND): Boolean; dynamic;
|
|
procedure DoOnButtonClicked(AModalResult: Integer; var ACanClose: Boolean); dynamic;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
destructor Destroy; override;
|
|
function Execute: Boolean; overload; dynamic;
|
|
function Execute(ParentWnd: HWND): Boolean; overload; dynamic;
|
|
property Button: TTaskDialogButtonItem read FButton write FButton;
|
|
property Buttons: TTaskDialogButtons read FButtons write SetButtons;
|
|
property Caption: TTranslateString read FCaption write FCaption;
|
|
property CommonButtons: TTaskDialogCommonButtons read FCommonButtons write FCommonButtons default [tcbOk, tcbCancel];
|
|
property DefaultButton: TTaskDialogCommonButton read FDefaultButton write FDefaultButton default tcbOk;
|
|
property ExpandButtonCaption: TTranslateString read FExpandButtonCaption write FExpandButtonCaption;
|
|
property ExpandedText: TTranslateString read FExpandedText write FExpandedText;
|
|
property Flags: TTaskDialogFlags read FFlags write FFlags default [tfAllowDialogCancellation];
|
|
property FooterIcon: TTaskDialogIcon read FFooterIcon write FFooterIcon default tdiNone;
|
|
property FooterText: TTranslateString read FFooterText write FFooterText;
|
|
property MainIcon: TTaskDialogIcon read FMainIcon write FMainIcon default tdiInformation;
|
|
property ModalResult: TModalResult read FModalResult write FModalResult;
|
|
property RadioButton: TTaskDialogRadioButtonItem read FRadioButton;
|
|
property RadioButtons: TTaskDialogButtons read FRadioButtons write SetRadioButtons;
|
|
property Text: TTranslateString read FText write FText;
|
|
property Title: TTranslateString read FTitle write FTitle;
|
|
property VerificationText: TTranslateString read FVerificationText write FVerificationText;
|
|
property OnButtonClicked: TTaskDlgClickEvent read FOnButtonClicked write FOnButtonClicked;
|
|
end;
|
|
|
|
TTaskDialog = class(TCustomTaskDialog)
|
|
published
|
|
property Buttons;
|
|
property Caption;
|
|
property CommonButtons;
|
|
property DefaultButton;
|
|
property ExpandButtonCaption;
|
|
property ExpandedText;
|
|
property Flags;
|
|
property FooterIcon;
|
|
property FooterText;
|
|
property MainIcon;
|
|
property RadioButtons;
|
|
property Text;
|
|
property Title;
|
|
property VerificationText;
|
|
property OnButtonClicked;
|
|
end;
|
|
|
|
|
|
var
|
|
MinimumDialogButtonWidth: integer = 75;
|
|
MinimumDialogButtonHeight: integer = 25;
|
|
|
|
{ MessageDlg }
|
|
|
|
function MessageDlg(const aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons; HelpCtx: Longint): TModalResult; overload;
|
|
function MessageDlg(const aCaption, aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons; HelpCtx: Longint): TModalResult; overload;
|
|
function MessageDlg(const aCaption, aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons; HelpCtx: Longint; DefaultButton: TMsgDlgBtn): TModalResult; overload;
|
|
function MessageDlg(const aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons; HelpCtx: Longint; DefaultButton: TMsgDlgBtn): TModalResult; overload;
|
|
function MessageDlg(const aCaption, aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons; const HelpKeyword: string): TModalResult; overload;
|
|
function MessageDlgPos(const aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons; HelpCtx: Longint; X, Y: Integer): TModalResult; overload;
|
|
function MessageDlgPosHelp(const aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons; HelpCtx: Longint; X, Y: Integer;
|
|
const HelpFileName: string): TModalResult; overload;
|
|
function CreateMessageDialog(const aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons): TForm; overload;
|
|
function CreateMessageDialog(const aCaption, aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: TMsgDlgButtons): TForm; overload;
|
|
function DefaultPromptDialog(const DialogCaption,
|
|
DialogMessage: String;
|
|
DialogType: longint; Buttons: PLongint;
|
|
ButtonCount, DefaultIndex, EscapeResult: Longint;
|
|
UseDefaultPos: boolean;
|
|
X, Y: Longint): Longint;// widgetset independent implementation, see PromptDialogFunction
|
|
|
|
function QuestionDlg(const aCaption, aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: array of const; HelpCtx: Longint): TModalResult; overload;
|
|
function QuestionDlg(const aCaption, aMsg: string; DlgType: TMsgDlgType;
|
|
Buttons: array of const; const HelpKeyword: string): TModalResult; overload;
|
|
function DefaultQuestionDialog(const aCaption, aMsg: string; DlgType: LongInt;
|
|
Buttons: TDialogButtons; HelpCtx: Longint): LongInt;// widgetset independent implementation, see QuestionDialogFunction
|
|
|
|
procedure ShowMessage(const aMsg: string);
|
|
procedure ShowMessageFmt(const aMsg: string; Params: array of const);
|
|
procedure ShowMessagePos(const aMsg: string; X, Y: Integer);
|
|
function DefaultMessageBox(Text, Caption: PChar; Flags: Longint) : Integer;// widgetset independent implementation, see MessageBoxFunction
|
|
|
|
function InputBox(const ACaption, APrompt, ADefault : String) : String;
|
|
function PasswordBox(const ACaption, APrompt : String) : String;
|
|
|
|
type
|
|
TCustomCopyToClipboardDialog = class(TForm)
|
|
protected
|
|
procedure DoCreate; override;
|
|
public
|
|
function GetMessageText: string; virtual; abstract;
|
|
end;
|
|
|
|
procedure RegisterDialogForCopyToClipboard(const ADlg: TCustomForm);
|
|
procedure DialogCopyToClipboard(Self, Sender: TObject; var Key: Word; Shift: TShiftState);
|
|
|
|
const
|
|
cInputQueryEditSizePixels: integer = 260; // Edit size in pixels
|
|
cInputQueryEditSizePercents: integer = 25; // Edit size in % of monitor width
|
|
cInputQuerySpacingSize: integer = 6;
|
|
|
|
type
|
|
TSelectDirOpt = (sdAllowCreate, sdPerformCreate, sdPrompt);
|
|
TSelectDirOpts = set of TSelectDirOpt;
|
|
TInputCloseQueryEvent = procedure(Sender: TObject; const AValues: array of string;
|
|
var ACanClose: boolean) of object;
|
|
|
|
function SelectDirectory(const Caption, InitialDirectory: string;
|
|
out Directory: string): boolean;
|
|
function SelectDirectory(const Caption, InitialDirectory: string;
|
|
out Directory: string; ShowHidden: boolean; HelpCtx: Longint = 0): boolean;
|
|
function SelectDirectory(out Directory: string;
|
|
Options: TSelectDirOpts; HelpCtx: Longint): Boolean;
|
|
|
|
function InputQuery(const ACaption, APrompt : String; MaskInput : Boolean; var Value : String) : Boolean;
|
|
function InputQuery(const ACaption, APrompt : String; var Value : String) : Boolean;
|
|
function InputQuery(const ACaption: string; const APrompts: array of string;
|
|
var AValues: array of string; ACloseEvent: TInputCloseQueryEvent = nil): boolean;
|
|
function DefaultInputDialog(const InputCaption, InputPrompt : String;
|
|
MaskInput : Boolean; var Value : String) : Boolean;// widgetset independent implementation, see InputDialogFunction
|
|
|
|
function InputCombo(const ACaption, APrompt: string; const AList: TStrings): Integer;
|
|
function InputCombo(const ACaption, APrompt: string; const AList : Array of String): Integer;
|
|
function InputComboEx(const ACaption, APrompt: string; const AList: TStrings; AllowCustomText: Boolean = False): String;
|
|
function InputComboEx(const ACaption, APrompt: string; const AList : Array of String; AllowCustomText: Boolean = False): String;
|
|
|
|
function ExtractColorIndexAndColor(const AColorList: TStrings; const AIndex: Integer;
|
|
out ColorIndex: Integer; out ColorValue: TColor): Boolean;
|
|
|
|
// helper functions (search LCLType for idDiag)
|
|
function GetDialogCaption(idDiag: Integer): String;
|
|
function GetDialogIcon(idDiag: Integer): TCustomBitmap;
|
|
|
|
function dbgs(Option: TOpenOption): string; overload;
|
|
function dbgs(Options: TOpenOptions): string; overload;
|
|
|
|
procedure Register;
|
|
|
|
implementation
|
|
|
|
{$R dialog_icons.res}
|
|
{ $R forms/finddlgunit.lfm}
|
|
{ $R forms/replacedlgunit.lfm}
|
|
|
|
uses
|
|
Math, WSDialogs;
|
|
|
|
const
|
|
//
|
|
//TODO: all the constants below should be replaced in the future
|
|
// their only purpose is to overcome some current design flaws &
|
|
// missing features in the GTK libraries
|
|
//
|
|
cBitmapX = 10; // x-position for bitmap in messagedialog
|
|
cBitmapY = 10; // y-position for bitmap in messagedialog
|
|
cLabelSpacing = 10; // distance between icon & label
|
|
|
|
DialogResult : Array[mrNone..mrLast] of Longint = (
|
|
-1, idButtonOK, idButtonCancel, idButtonAbort, idButtonRetry,
|
|
idButtonIgnore, idButtonYes,idButtonNo, idButtonAll, idButtonNoToAll,
|
|
idButtonYesToAll,idButtonClose);
|
|
|
|
|
|
DialogButtonKind : Array[idButtonOK..idButtonNoToAll] of TBitBtnKind = (
|
|
bkOk, bkCancel, bkHelp, bkYes, bkNo, bkClose, bkAbort, bkRetry,
|
|
bkIgnore, bkAll, bkYesToAll, bkNoToAll);
|
|
|
|
DialogResName: array[idDialogWarning..idDialogConfirm] of String =
|
|
(
|
|
{idDialogWarning} 'dialog_warning',
|
|
{idDialogError } 'dialog_error',
|
|
{idDialogInfo } 'dialog_information',
|
|
{idDialogConfirm} 'dialog_confirmation'
|
|
);
|
|
|
|
type
|
|
TBitBtnAccess = class(TBitBtn);
|
|
|
|
function dbgs(Option: TOpenOption): string;
|
|
begin
|
|
Result:=GetEnumName(typeinfo(TOpenOption),ord(Option));
|
|
end;
|
|
|
|
function dbgs(Options: TOpenOptions): string;
|
|
var
|
|
o: TOpenOption;
|
|
begin
|
|
Result:='';
|
|
for o in Options do
|
|
Result:=Result+dbgs(o)+',';
|
|
Result:='['+LeftStr(Result,length(Result)-1)+']';
|
|
end;
|
|
|
|
procedure Register;
|
|
begin
|
|
RegisterComponents('Dialogs',[TOpenDialog,TSaveDialog,TSelectDirectoryDialog,
|
|
TColorDialog,TFontDialog,
|
|
TFindDialog,TReplaceDialog, TTaskDialog]);
|
|
RegisterComponents('Misc',[TColorButton]);
|
|
end;
|
|
|
|
function DefaultMessageBox(Text, Caption: PChar; Flags: Longint) : Integer;
|
|
var
|
|
DlgType : TMsgDlgType;
|
|
Buttons : TMsgDlgButtons;
|
|
CurBtn, DefButton: TMsgDlgBtn;
|
|
DefButtonIndex: Integer;
|
|
begin
|
|
//This uses TMessageBox class in MessageDialogs.inc
|
|
if (Flags and MB_RETRYCANCEL) = MB_RETRYCANCEL then
|
|
Buttons := [mbRetry, mbCancel]
|
|
else
|
|
if (Flags and MB_YESNO) = MB_YESNO then
|
|
Buttons := [mbYes, mbNo]
|
|
else
|
|
if (Flags and MB_YESNOCANCEL) = MB_YESNOCANCEL then
|
|
Buttons := [mbYes, mbNo, mbCancel]
|
|
else
|
|
if (Flags and MB_ABORTRETRYIGNORE) = MB_ABORTRETRYIGNORE then
|
|
Buttons := [mbAbort, mbRetry, mbIgnore]
|
|
else
|
|
if (Flags and MB_OKCANCEL) = MB_OKCANCEL then
|
|
Buttons := [mbOK,mbCancel]
|
|
//else
|
|
//if (Flags and MB_OK) = MB_OK then <-- MB_OK = 0, the test would always be true.
|
|
// Buttons := [mbOK]
|
|
else
|
|
Buttons := [mbOK];
|
|
|
|
if (Flags and MB_ICONINFORMATION) = MB_ICONINFORMATION then
|
|
DlgTYpe := mtInformation
|
|
else
|
|
if (Flags and MB_ICONWARNING) = MB_ICONWARNING then
|
|
DlgTYpe := mtWarning
|
|
else
|
|
if (Flags and MB_ICONQUESTION) = MB_ICONQUESTION then
|
|
DlgTYpe := mtConfirmation
|
|
else
|
|
if (Flags and MB_ICONERROR) = MB_ICONERROR then
|
|
DlgTYpe := mtError
|
|
else
|
|
DlgTYpe := mtCustom;
|
|
|
|
if (Flags and MB_DEFBUTTON2) = MB_DEFBUTTON2 then
|
|
DefButtonIndex := 2 else
|
|
if (Flags and MB_DEFBUTTON3) = MB_DEFBUTTON3 then
|
|
DefButtonIndex := 3 else
|
|
if (Flags and MB_DEFBUTTON4) = MB_DEFBUTTON4 then
|
|
DefButtonIndex := 4 else
|
|
DefButtonIndex := 1;
|
|
|
|
DefButton := Low(TMsgDlgBtn);
|
|
for CurBtn := Low(TMsgDlgBtn) to High(TMsgDlgBtn) do
|
|
begin
|
|
DefButton := CurBtn;
|
|
if CurBtn in Buttons then
|
|
Dec(DefButtonIndex);
|
|
if DefButtonIndex = 0 then
|
|
break;
|
|
end;
|
|
Result := MessageDlg(Caption, Text, DlgType, Buttons, 0, DefButton);
|
|
end;
|
|
|
|
{** Return the localized or not title of dialog}
|
|
function GetDialogCaption(idDiag: Integer): String;
|
|
begin
|
|
case idDiag of
|
|
idDialogWarning : Result := rsMtWarning;
|
|
idDialogError : Result := rsMtError;
|
|
idDialogInfo : Result := rsMtInformation;
|
|
idDialogConfirm : Result := rsMtConfirmation;
|
|
idDialogShield : Result := rsMtAuthentication;
|
|
else
|
|
Result := '?';
|
|
end;
|
|
end;
|
|
|
|
function GetDialogIcon(idDiag: Integer): TCustomBitmap;
|
|
var
|
|
BitmapHandle, MaskHandle: HBitmap;
|
|
begin
|
|
if ThemeServices.GetStockImage(idDiag, BitmapHandle, MaskHandle) then
|
|
begin
|
|
Result := TBitmap.Create;
|
|
Result.Handle := BitmapHandle;
|
|
if MaskHandle <> 0 then
|
|
Result.MaskHandle := MaskHandle;
|
|
end
|
|
else
|
|
if (idDiag < Low(DialogResName)) or (idDiag > High(DialogResName)) then
|
|
Result := nil
|
|
else
|
|
begin
|
|
Result := TPortableNetworkGraphic.Create;
|
|
Result.LoadFromResourceName(hInstance, DialogResName[idDiag]);
|
|
end;
|
|
end;
|
|
|
|
{$I lclcolordialog.inc}
|
|
{$I commondialog.inc}
|
|
{$I filedialog.inc}
|
|
{$I finddialog.inc}
|
|
{$I replacedialog.inc}
|
|
{$I fontdialog.inc}
|
|
{$I inputdialog.inc}
|
|
{$I messagedialogs.inc}
|
|
{$I promptdialog.inc}
|
|
{$I colorbutton.inc}
|
|
{$I taskdialog.inc}
|
|
|
|
{ TCustomPrintDialog }
|
|
|
|
constructor TCustomPrintDialog.Create(TheOwner: TComponent);
|
|
begin
|
|
inherited Create(TheOwner);
|
|
FPrintRange:=prAllPages;
|
|
FCopies:=1;
|
|
end;
|
|
|
|
{ TCustomCopyToClipboardDialog }
|
|
|
|
procedure TCustomCopyToClipboardDialog.DoCreate;
|
|
begin
|
|
inherited DoCreate;
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RegisterDialogForCopyToClipboard(Self);
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end;
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initialization
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Forms.MessageBoxFunction := @DefaultMessageBox;
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InterfaceBase.InputDialogFunction := @DefaultInputDialog;
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InterfaceBase.PromptDialogFunction := @DefaultPromptDialog;
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InterfaceBase.QuestionDialogFunction := @DefaultQuestionDialog;
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finalization
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|
InterfaceBase.InputDialogFunction := nil;
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|
InterfaceBase.QuestionDialogFunction := nil;
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end.
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