mORMot and Open Source friends
Artifact [d458d74152]
Artifact [d458d74152]
/// implement TaskDialog window (native on Vista/Seven, emulated on XP) // - this unit is a part of the freeware Synopse mORMot framework, // licensed under a MPL/GPL/LGPL tri-license; version 1.18 unit SynTaskDialog; { This file is part of Synopse framework. Synopse framework. Copyright (C) 2013 Arnaud Bouchez Synopse Informatique - http://synopse.info *** BEGIN LICENSE BLOCK ***** Version: MPL 1.1/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. The Original Code is Synopse framework. The Initial Developer of the Original Code is Arnaud Bouchez. Portions created by the Initial Developer are Copyright (C) 2013 the Initial Developer. All Rights Reserved. Contributor(s): Alternatively, the contents of this file may be used under the terms of either the GNU General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the LGPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the MPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the MPL, the GPL or the LGPL. ***** END LICENSE BLOCK ***** Version 1.13 - initial release Version 1.15 - new tdfQueryMasked function to display * in the tdfQuery editor field Version 1.16 - fixed issue when changing the current application with Alt+Tab - see http://synopse.info/fossil/tktview?name=01395e5932 - fixed compiler error when using the unit with runtime packages enabled (known compiler issue about string resources, referenced as E2201) - default modal dialog parent changed into any current active form - added tdfQueryFieldFocused optional flag to focus the input field component - some aesthetical rendering changes and code clean-up (e.g. no temporary form necessary), thanks to uligerhardt proposals Version 1.18 - fixed label height display when long text is wrapped on several lines - now compiles and run in Win64 platform (Delphi XE2+) } interface {$IFDEF CONDITIONALEXPRESSIONS} // Delphi 6 or newer {$ifndef VER140} // Delphi 6 {$define WITHUXTHEME} // Themes unit exists till Delphi 7 {$endif} {$ENDIF} uses Windows, Classes, SysUtils, Consts, {$ifdef USETMSPACK} AdvGlowButton, AdvMenus, TaskDialog, TaskDialogEx, {$else} Menus, {$endif} Graphics, Forms, Controls, StdCtrls, ExtCtrls, Buttons; var /// will map a generic OK picture from SynTaskDialog.res BitmapOK: TBitmap; /// will map a generic Arrow picture from SynTaskDialog.res BitmapArrow: TBitmap; /// will map a default font, according to the available // - if Calibri is installed, will use it // - will fall back to Tahoma otherwise DefaultFont: TFont; {$ifndef USETMSPACK} /// is filled once in the initialization block below // - you can set this reference to nil to force Delphi dialogs even // on Vista/Seven (e.g. make sense if TaskDialogBiggerButtons=true) TaskDialogIndirect: function(AConfig: pointer; Res: PInteger; ResRadio: PInteger; VerifyFlag: PBOOL): HRESULT; stdcall; type /// the standard kind of common buttons handled by the Task Dialog TCommonButton = ( cbOK, cbYes, cbNo, cbCancel, cbRetry, cbClose); /// set of standard kind of common buttons handled by the Task Dialog TCommonButtons = set of TCommonButton; /// the available main icons for the Task Dialog TTaskDialogIcon = ( tiBlank, tiWarning, tiQuestion, tiError, tiInformation, tiNotUsed, tiShield); /// the available footer icons for the Task Dialog TTaskDialogFooterIcon = ( tfiBlank, tfiWarning, tfiQuestion, tfiError, tfiInformation, tfiShield); /// the available configuration flags for the Task Dialog // - most are standard TDF_* flags used for Vista/Seven native API // (see http://msdn.microsoft.com/en-us/library/bb787473(v=vs.85).aspx // for TASKDIALOG_FLAGS) // - tdfQuery and tdfQueryMasked are custom flags, implemented in pure Delphi // code to handle input query // - our emulation code will handle only tdfUseCommandLinks, // tdfUseCommandLinksNoIcon, and tdfQuery options TTaskDialogFlag = ( tdfEnableHyperLinks, tdfUseHIconMain, tdfUseHIconFooter, tdfAllowDialogCancellation, tdfUseCommandLinks, tdfUseCommandLinksNoIcon, tdfExpandFooterArea, tdfExpandByDefault, tdfVerificationFlagChecked, tdfShowProgressBar, tdfShowMarqueeProgressBar, tdfCallbackTimer, tdfPositionRelativeToWindow, tdfRtlLayout, tdfNoDefaultRadioButton, tdfCanBeMinimized, tdfQuery, tdfQueryMasked, tdfQueryFieldFocused); /// set of available configuration flags for the Task Dialog TTaskDialogFlags = set of TTaskDialogFlag; /// implements a TaskDialog // - will use the new TaskDialog API under Vista/Seven, and emulate it with // pure Delphi code and standard themed VCL components under XP or 2K // - create a TTaskDialog object/record on the stack will initialize all // its string parameters to '' (it's a SHAME that since Delphi 2009, objects // are not initialized any more: we have to define this type as object before // Delphi 2009, and as record starting with Delphi 2009) // - set the appropriate string parameters, then call Execute() with all // additional parameters // - RadioRes/SelectionRes/VerifyChecked will be used to reflect the state // after dialog execution // - here is a typical usage: // !var Task: TTaskDialog; // !begin // ! Task.Inst := 'Saving application settings'; // ! Task.Content := 'This is the content'; // ! Task.Radios := 'Store settings in registry'#10'Store settings in XML file'; // ! Task.Verify := 'Do no ask for this setting next time'; // ! Task.VerifyChecked := true; // ! Task.Footer := 'XML file is perhaps a better choice'; // ! Task.Execute([],0,[],tiQuestion,tfiInformation,200); // ! ShowMessage(IntToStr(Task.RadioRes)); // 200=Registry, 201=XML // ! if Task.VerifyChecked then // ! ShowMessage(Task.Verify); // !end; TTaskDialog = {$ifdef UNICODE}record{$else}object{$endif} /// the main title of the dialog window // - if left void, the title of the application main form is used Title: string; /// the main instruction (first line on top of window) // - any '\n' will be converted into a line feed // - if left void, the text is taken from the current dialog icon kind Inst: string; /// the dialog's primary content content text // - any '\n' will be converted into a line feed Content: string; /// a #13#10 or #10 separated list of custom buttons // - they will be identified with an ID number starting at 100 // - by default, the buttons will be created at the dialog bottom, just // like the common buttons // - if tdfUseCommandLinks flag is set, the custom buttons will be created // as big button in the middle of the dialog window; in this case, any // '\n' will be converted as note text (shown with smaller text under native // Vista/Seven TaskDialog, or as popup hint within Delphi emulation) Buttons: string; /// a #13#10 or #10 separated list of custom radio buttons // - they will be identified with an ID number starting at 200 // - aRadioDef parameter can be set to define the default selected value // - '\n' will be converted as note text (shown with smaller text under // native Vista/Seven TaskDialog, or as popup hint within Delphi emulation) Radios: string; /// the expanded information content text // - any '\n' will be converted into a line feed // - the Delphi emulation will always show the Info content (there is no // collapse/expand button) Info: string; /// the button caption to be displayed when the information is collapsed // - not used under XP: the Delphi emulation will always show the Info content InfoExpanded: string; /// the button caption to be displayed when the information is expanded // - not used under XP: the Delphi emulation will always show the Info content InfoCollapse: string; /// the footer content text // - any '\n' will be converted into a line feed Footer: string; /// the text of the bottom most optional checkbox Verify: string; /// a #13#10 or #10 separated list of items to be selected // - if set, a Combo Box will be displayed to select // - if tdfQuery is in the flags, the combo box will be in edition mode, // and the user will be able to edit the Query text or fill the field // with one item of the selection // - this selection is not handled via the Vista/Seven TaskDialog, but // with our Delphi emulation code (via a TComboBox) Selection: string; /// some text to be edited // - if tdfQuery is in the flags, will contain the default query text // - if Selection is set, the Query: string; /// the selected radio item // - first is numeroted 0 RadioRes: integer; /// after execution, contains the selected item from the Selection list SelectionRes: integer; /// reflect the the bottom most optional checkbox state // - if Verify is not '', should be set before execution // - after execution, will contain the final checkbox state VerifyChecked: BOOL; /// launch the TaskDialog form // - some common buttons can be set via aCommonButtons // - in emulation mode, aFlags will handle only tdfUseCommandLinks, // tdfUseCommandLinksNoIcon, and tdfQuery options // - will return 0 on error, or the Button ID (e.g. mrOk for the OK button // or 100 for the first custom button defined in Buttons string) // - if Buttons was defined, aButtonDef can set the selected Button ID // - if Radios was defined, aRadioDef can set the selected Radio ID // - aDialogIcon and aFooterIcon are used to specify the displayed icons // - aWidth can be used to force a custom form width (in pixels) // - aParent can be set to any HWND - by default, Application.DialogHandle // - if aNonNative is TRUE, the Delphi emulation code will always be used // - aEmulateClassicStyle can be set to enforce conformity with the non themed // user interface - see @http://synopse.info/forum/viewtopic.php?pid=2867#p2867 function Execute(aCommonButtons: TCommonButtons=[]; aButtonDef: integer=0; aFlags: TTaskDialogFlags=[]; aDialogIcon: TTaskDialogIcon=tiInformation; aFooterIcon: TTaskDialogFooterIcon=tfiWarning; aRadioDef: integer=0; aWidth: integer=0; aParent: HWND=0; aNonNative: boolean=false; aEmulateClassicStyle: boolean = false): integer; end; /// a wrapper around the TTaskDialog.Execute method // - used to provide a "flat" access to task dialog parameters TTaskDialogEx = {$ifdef UNICODE}record{$else}object{$endif} /// the associated main TTaskDialog instance Base: TTaskDialog; /// some common buttons to be displayed CommonButtons: TCommonButtons; /// the default button ID ButtonDef: integer; /// the associated configuration flags for this Task Dialog // - in emulation mode, aFlags will handle only tdfUseCommandLinks, // tdfUseCommandLinksNoIcon, and tdfQuery options Flags: TTaskDialogFlags; /// used to specify the dialog icon DialogIcon: TTaskDialogIcon; /// used to specify the footer icon FooterIcon: TTaskDialogFooterIcon; /// the default radio button ID RadioDef: integer; /// can be used to force a custom form width (in pixels) Width: integer; /// if TRUE, the Delphi emulation code will always be used NonNative: boolean; /// can be used to enforce conformity with the non themed user interface EmulateClassicStyle: boolean; /// main (and unique) method showing the dialog itself // - is in fact a wrapper around the TTaskDialog.Execute method function Execute(aParent: HWND=0): integer; end; {$endif USETMSPACK} type {$ifdef USETMSPACK} /// a TMS PopupMenu TSynPopupMenu = TAdvPopupMenu; TSynButtonParent = TAdvGlowButton; {$else} /// a generic VCL popup menu TSynPopupMenu = TPopupMenu; TSynButtonParent = {$ifdef WITHUXTHEME}TBitBtn{$else}TButton{$endif}; {$endif USETMSPACK} /// a generic Button to be used in the User Interface // - is always a Themed button: under Delphi 6, since TBitBtn is not themed, // it will be a row TButton with no glyph... never mind... TSynButton = class(TSynButtonParent) protected {$ifndef USETMSPACK} fDropDownMenu: TSynPopupMenu; {$endif} public /// create a standard button instance // - ModalResult/Default/Cancel properties will be set as exepcted for this // kind of button constructor CreateKind(Owner: TWinControl; Btn: TCommonButton; Left, Right, Width, Height: integer); /// set the glyph of the button // - set nothing under Delphi 6 procedure SetBitmap(Bmp: TBitmap); {$ifndef USETMSPACK} /// drop down the associated Popup Menu procedure DoDropDown; /// the associated Popup Menu to drop down property DropDownMenu: TSynPopupMenu read fDropDownMenu write fDropDownMenu; {$endif} end; /// return the text without the '&' characters within function UnAmp(const s: string): string; {$ifndef USETMSPACK} var { /// if set to TRUE, buttons will be bigger than default // - can be useful e.g. for touch screens // - will work only for the Delphi emulated version (aNonNative=true) of // TSynTask - could be combined with @TaskDialogIndirect := nil; TaskDialogBiggerButtons: boolean = false; } /// a default Task Dialog wrapper instance // - can be used to display some information with less parameters DefaultTaskDialog: TTaskDialogEx = ( (* CommonButtons: []; ButtonDef: 0; Flags: []; *) DialogIcon: tiInformation; FooterIcon: tfiWarning; (* RadioDef: 0; Width: 0; NonNative: false; EmulateClassicStyle: false; *) ); {$endif} implementation {$R SynTaskDialog.res} const TD_BTNS: array[TCommonButton] of string = ( SMsgDlgOK, SMsgDlgYes, SMsgDlgNo, SMsgDlgCancel, SMsgDlgRetry, SCloseButton); TD_BTNMOD: array[TCommonButton] of Integer = ( mrOk, mrYes, mrNo, mrCancel, mrRetry, mrAbort); { TSynButton } constructor TSynButton.CreateKind(Owner: TWinControl; Btn: TCommonButton; Left, Right, Width, Height: integer); begin Create(Owner); Parent := Owner; SetBounds(Left,Right,Width,Height); Caption := TD_BTNS[Btn]; ModalResult := TD_BTNMOD[Btn]; case Btn of cbOK: Default := true; cbCancel: Cancel := true; end; case Btn of cbOK: SetBitmap(BitmapOK); end; end; {$ifndef USETMSPACK} procedure TSynButton.DoDropDown; begin if DropDownMenu<>nil then with ClientToScreen(BoundsRect.TopLeft) do DropDownMenu.Popup(X,Y+Height); end; {$endif} procedure TSynButton.SetBitmap(Bmp: TBitmap); begin if Bmp<>nil then {$ifdef USETMSPACK} Picture.Assign(Bmp); {$else} {$ifdef WITHUXTHEME} Glyph := Bmp; {$else} // Delphi 6 TBitBtn has no theming -> use generic TButton without glyph {$endif} {$endif} end; function UnAmp(const s: string): string; var i: integer; begin result := s; repeat i := pos('&',result); if i=0 then exit; delete(result,i,1); until false; end; {$ifndef USETMSPACK} const TD_ICONS: array[TTaskDialogIcon] of integer = ( 17, 84, 99, 98, 81, 0, 78); TD_FOOTERICONS: array[TTaskDialogFooterIcon] of integer = ( 17, 84, 99, 98, 65533, 65532); WIN_ICONS: array[TTaskDialogIcon] of PChar = ( nil, IDI_WARNING, IDI_QUESTION, IDI_ERROR, IDI_INFORMATION, nil, IDI_WINLOGO); WIN_FOOTERICONS: array[TTaskDialogFooterIcon] of PChar = ( nil, IDI_WARNING, IDI_QUESTION, IDI_ERROR, IDI_INFORMATION, IDI_WINLOGO); function IconMessage(Icon: TTaskDialogIcon): string; begin case Icon of tiWarning: result := SMsgDlgWarning; tiQuestion: result := SMsgDlgConfirm; tiError: result := SMsgDlgError; tiInformation, tiShield: result := SMsgDlgInformation; else result := ''; end; end; procedure InitComCtl6; var OSVersionInfo: TOSVersionInfo; begin OSVersionInfo.dwOSVersionInfoSize := sizeof(OSVersionInfo); GetVersionEx(OSVersionInfo); if OSVersionInfo.dwMajorVersion<6 then @TaskDialogIndirect := nil else @TaskDialogIndirect := GetProcAddress(GetModuleHandle(comctl32),'TaskDialogIndirect'); end; { TTaskDialog } type // see http://msdn.microsoft.com/en-us/library/bb787473 PTASKDIALOG_BUTTON = ^TTASKDIALOG_BUTTON; TTASKDIALOG_BUTTON = packed record nButtonID: integer; pszButtonText: PWideChar; end; TTASKDIALOGCONFIG = packed record cbSize: integer; hwndParent: HWND; hInstance: THandle; dwFlags: cardinal; dwCommonButtons: cardinal; pszWindowTitle: PWideChar; hMainIcon: HICON; pszMainInstruction: PWideChar; pszContent: PWideChar; cButtons: integer; pButtons: PTASKDIALOG_BUTTON; nDefaultButton: integer; cRadioButtons: integer; pRadioButtons: PTASKDIALOG_BUTTON; nDefaultRadioButton: integer; pszVerificationText: PWideChar; pszExpandedInformation: PWideChar; pszExpandedControlText: PWideChar; pszCollapsedControlText: PWideChar; hFooterIcon: HICON; pszFooter: PWideChar; pfCallback: pointer; lpCallbackData: pointer; cxWidth: integer; end; function TTaskDialog.Execute(aCommonButtons: TCommonButtons; aButtonDef: integer; aFlags: TTaskDialogFlags; aDialogIcon: TTaskDialogIcon; aFooterIcon: TTaskDialogFooterIcon; aRadioDef, aWidth: integer; aParent: HWND; aNonNative: boolean; aEmulateClassicStyle: boolean): integer; type WS = {$ifdef UNICODE}string{$else}WideString{$endif}; function CR(const aText: string): string; begin if pos('\n',aText)=0 then result := aText else result := StringReplace(aText,'\n',#10,[rfReplaceAll]); end; function GetNextStringLineToWS(var P: PChar): WS; var S: PChar; {$ifndef UNICODE}tmp: string;{$endif} begin if P=nil then result := '' else begin S := P; while S[0]>=' ' do inc(S); {$ifdef UNICODE} SetString(result,P,S-P); result := CR(result); {$else} SetString(tmp,P,S-P); result := WideString(CR(tmp)); {$endif} while (S^<>#0) and (S^<' ') do inc(S); // ignore e.g. #13 or #10 if S^<>#0 then P := S else P := nil; end; end; var aHint: string; function NoCR(const aText: string): string; var i: integer; begin result := aText; aHint := ''; i := pos('\n',result); if i>0 then begin aHint := CR(copy(result,i+2,maxInt)); SetLength(result,i-1); end; end; function N(const aText: string): WS; begin if aText='' then result := '' else result := WS(CR(aText)); end; var RU: array of Ws; RUCount: integer; But: array of TTASKDIALOG_BUTTON; procedure AddRU(Text: string; var n: integer; firstID: integer); var P: PChar; begin if Text='' then exit; Text := SysUtils.trim(Text); P := @Text[1]; // '\n' handling in GetNextStringLineToWS(P) will change P^ while P<>nil do begin if length(RU)<=RUCount then begin SetLength(RU,RUCount+16); SetLength(But,RUCount+16); end; RU[RUCount] := GetNextStringLineToWS(P); with But[RUCount] do begin nButtonID := n+firstID; pszButtonText := pointer(RU[RUCount]); end; inc(n); inc(RUCount); end; end; var Config: TTASKDIALOGCONFIG; i, X, Y, XB, IconBorder, FontHeight: integer; Par: TWinControl; Panel: TPanel; CurrTabOrder: TTabOrder; Form: TForm; Image: TImage; Pic: TIcon; Bmp: TBitmap; Edit: TEdit; Combo: TComboBox; List: TStrings; B: TCommonButton; CommandLink: TSynButton; Rad: array of TRadioButton; Verif: TCheckBox; function AddLabel(Text: string; BigFont: boolean): TLabel; var R: TRect; W: integer; begin result := TLabel.Create(Form); result.Parent := Par; result.WordWrap := true; if BigFont then begin if aEmulateClassicStyle then begin result.Font.Height := FontHeight-2; result.Font.Style := [fsBold] end else begin result.Font.Height := FontHeight-4; result.Font.Color := $B00000; end; end else result.Font.Height := FontHeight; Text := CR(Text); result.AutoSize := false; R.Left := 0; R.Top := 0; W := aWidth-X-8; R.Right := W; R.Bottom := result.Height; R.Bottom := DrawText(result.Canvas.Handle,pointer(Text),-1,R,DT_CALCRECT or DT_WORDBREAK); result.SetBounds(X,Y,W,R.Bottom); result.Caption := Text; inc(Y,R.Bottom+16); end; procedure AddBevel; var BX: integer; begin with TBevel.Create(Form) do begin Parent := Par; if (Image<>nil) and (Y<Image.Top+Image.Height) then BX := X else BX := 2; SetBounds(BX,Y,aWidth-BX-2,2); end; inc(Y,16); end; function AddButton(s: string; ModalResult: integer): TSynButton; var WB: integer; begin s := UnAmp(s); WB := Form.Canvas.TextWidth(s)+52; dec(XB,WB); if XB<X shr 1 then begin XB := aWidth-WB; inc(Y,32); end; result := TSynButton.Create(Form); result.Parent := Par; if aEmulateClassicStyle then result.SetBounds(XB,Y,WB-10,22) else result.SetBounds(XB,Y,WB-12,28); result.Caption := s; result.ModalResult := ModalResult; result.TabOrder := CurrTabOrder; case ModalResult of mrOk: begin result.Default := true; if aCommonButtons=[cbOk] then result.Cancel := true; end; mrCancel: result.Cancel := true; end; if ModalResult=aButtonDef then Form.ActiveControl := result; end; begin if (byte(aCommonButtons)=0) and (Buttons='') then begin aCommonButtons := [cbOk]; if aButtonDef=0 then aButtonDef := mrOk; end; if Title='' then if Application.MainForm=nil then Title := Application.Title else Title := Application.MainForm.Caption; if Inst='' then Inst := IconMessage(aDialogIcon); if aParent=0 then if Screen.ActiveCustomForm<>nil then aParent := Screen.ActiveCustomForm.Handle else aParent := Application.Handle; if Assigned(TaskDialogIndirect) and not aNonNative and not (tdfQuery in aFlags) and (Selection='') then begin // use Vista/Seven TaskDialog implementation (not tdfQuery nor Selection) FillChar(Config,sizeof(Config),0); Config.cbSize := sizeof(Config); Config.hwndParent := aParent; Config.pszWindowTitle := pointer(N(Title)); Config.pszMainInstruction := pointer(N(Inst)); Config.pszContent := pointer(N(Content)); RUCount := 0; AddRU(Buttons,Config.cButtons,100); AddRU(Radios,Config.cRadioButtons,200); if Config.cButtons>0 then Config.pButtons := @But[0]; if Config.cRadioButtons>0 then Config.pRadioButtons := @But[Config.cButtons]; Config.pszVerificationText := pointer(N(Verify)); Config.pszExpandedInformation := pointer(N(Info)); Config.pszExpandedControlText := pointer(N(InfoExpanded)); Config.pszCollapsedControlText := pointer(N(InfoCollapse)); Config.pszFooter := pointer(N(Footer)); Config.dwCommonButtons := byte(aCommonButtons); if (Verify<>'') and VerifyChecked then include(aFlags,tdfVerificationFlagChecked); if (Config.cButtons=0) and (aCommonButtons=[cbOk]) then Include(aFlags,tdfAllowDialogCancellation); // just OK -> Esc/Alt+F4 close Config.dwFlags := integer(aFlags); Config.hMainIcon := TD_ICONS[aDialogIcon]; Config.hFooterIcon := TD_FOOTERICONS[aFooterIcon]; Config.nDefaultButton := aButtonDef; Config.nDefaultRadioButton := aRadioDef; Config.cxWidth := aWidth; if TaskDialogIndirect(@Config,@result,@RadioRes,@VerifyChecked)=S_OK then exit; // error (mostly invalid argument) -> execute the VCL emulation end; // use our native (naive?) Delphi implementation Verif := nil; Combo := nil; Edit := nil; Form := TForm.Create(Application); try // initialize form properties Form.BorderStyle := bsDialog; Form.BorderIcons := []; Form.Position := poScreenCenter; if not aEmulateClassicStyle then Form.Font := DefaultFont; FontHeight := Form.Font.Height; if aWidth=0 then begin aWidth := Form.Canvas.TextWidth(Inst); if (aWidth>300) or (Form.Canvas.TextWidth(Content)>300) or (length(Buttons)>40) then aWidth := 480 else aWidth := 420; end; Form.ClientWidth := aWidth; Form.Height := 200; Form.Caption := Title; // create a white panel for the main dialog part Panel := TPanel.Create(Form); Panel.Parent := Form; Panel.Align := alTop; Panel.BorderStyle := bsNone; Panel.BevelOuter := bvNone; if not aEmulateClassicStyle then begin {$ifdef HASINLINE} Panel.BevelEdges := [beBottom]; Panel.BevelKind := bkFlat; {$endif} Panel.Color := clWhite; {$ifdef WITHUXTHEME} Panel.ParentBackground := false; // clWhite not used otherwise {$endif} end; Par := Panel; // handle main dialog icon if aEmulateClassicStyle then IconBorder := 10 else IconBorder := 24; if WIN_ICONS[aDialogIcon]<>nil then begin Image := TImage.Create(Form); Image.Parent := Par; Image.Picture.Icon.Handle := LoadIcon(0,WIN_ICONS[aDialogIcon]); Image.SetBounds(IconBorder,IconBorder,Image.Picture.Icon.Width,Image.Picture.Icon.Height); X := Image.Width+IconBorder*2; Y := Image.Top; if aEmulateClassicStyle then inc(Y, 8); end else begin Image := nil; if not aEmulateClassicStyle then IconBorder := IconBorder*2; X := IconBorder; Y := IconBorder; end; // add main texts (Instruction, Content, Information) AddLabel(Inst,true); AddLabel(Content,false); if Info<>'' then // no information collapse/expand yet: it's always expanded AddLabel(Info,false); // add command links buttons if (tdfUseCommandLinks in aFlags) and (Buttons<>'') then with TStringList.Create do try inc(Y,8); Text := SysUtils.trim(Buttons); for i := 0 to Count-1 do begin CommandLink := TSynButton.Create(Form); with CommandLink do begin Parent := Par; Font.Height := FontHeight-3; if aEmulateClassicStyle then SetBounds(X,Y,aWidth-10-X,40) else SetBounds(X,Y,aWidth-16-X,40); Caption := NoCR(Strings[i]); if aHint<>'' then begin ShowHint := true; Hint := aHint; // note shown as Hint end; inc(Y,Height+2); ModalResult := i+100; if ModalResult=aButtonDef then Form.ActiveControl := CommandLink; if aEmulateClassicStyle then begin Font.Height := FontHeight - 2; Font.Style := [fsBold] end; {$ifdef WITHUXTHEME} if aEmulateClassicStyle then begin Margin := 7; Spacing := 7; end else begin Margin := 24; Spacing := 10; end; if not (tdfUseCommandLinksNoIcon in aFlags) then SetBitmap(BitmapArrow); {$endif} end; end; inc(Y,24); finally Free; end; // add radio buttons if Radios<>'' then with TStringList.Create do try Text := SysUtils.trim(Radios); SetLength(Rad,Count); for i := 0 to Count-1 do begin Rad[i] := TRadioButton.Create(Form); with Rad[i] do begin Parent := Par; SetBounds(X+16,Y,aWidth-32-X,6-FontHeight); Caption := NoCR(Strings[i]); if aHint<>'' then begin ShowHint := true; Hint := aHint; // note shown as Hint end; inc(Y,Height); if (i=0) or (i+200=aRadioDef) then Checked := true; end; end; inc(Y,24); finally Free; end; // add selection list or query editor if Selection<>'' then begin List := TStringList.Create; try Combo := TComboBox.Create(Form); Combo.Parent := Par; Combo.SetBounds(X,Y,aWidth-32-X,22); if tdfQuery in aFlags then Combo.Style := csDropDown else Combo.Style := csDropDownList; List.Text := trim(Selection); Combo.Items.Assign(List); Combo.ItemIndex := List.IndexOf(Query); inc(Y,42); finally List.Free; end; end else if tdfQuery in aFlags then begin Edit := TEdit.Create(Form); Edit.Parent := Par; Edit.SetBounds(X,Y,aWidth-16-X,22); Edit.Text := Query; if tdfQueryMasked in aFlags then Edit.PasswordChar := '*'; if tdfQueryFieldFocused in aFlags then Form.ActiveControl := Edit; inc(Y,42); end; // from now we won't add components to the white panel, but to the form Panel.Height := Y; Par := Form; // add buttons and verification checkbox if (byte(aCommonButtons)<>0) or (Verify<>'') or ((Buttons<>'') and not (tdfUseCommandLinks in aFlags)) then begin CurrTabOrder := Panel.TabOrder; inc(Y, 16); XB := aWidth; if not (tdfUseCommandLinks in aFlags) then with TStringList.Create do try Text := SysUtils.trim(Buttons); for i := Count-1 downto 0 do AddButton(Strings[i],i+100); finally Free; end; for B := high(B) downto low(B) do if B in aCommonButtons then AddButton(TD_BTNS[B], TD_BTNMOD[B]); if Verify<>'' then begin Verif := TCheckBox.Create(Form); with Verif do begin Parent := Par; if X+16+Form.Canvas.TextWidth(Verify)>XB then begin inc(Y,32); XB := aWidth; end; SetBounds(X,Y,XB-X,24); Caption := Verify; Checked := VerifyChecked; end; end; inc(Y,36); end else XB := 0; // add footer text with optional icon if Footer<>'' then begin if XB<>0 then AddBevel else inc(Y,16); if WIN_FOOTERICONS[aFooterIcon]<>nil then begin Image := TImage.Create(Form); Image.Parent := Par; Pic := TIcon.Create; Bmp := TBitmap.Create; try Pic.Handle := LoadIcon(0,WIN_FOOTERICONS[aFooterIcon]); Bmp.Transparent := true; Bmp.Canvas.Brush.Color := Form.Color; Bmp.Width := Pic.Width shr 1; Bmp.Height := Pic.Height shr 1; DrawIconEx(Bmp.Canvas.Handle,0,0,Pic.Handle,Bmp.Width,Bmp.Height,0, Bmp.Canvas.Brush.Handle,DI_NORMAL); Image.Picture.Bitmap := Bmp; Image.SetBounds(24,Y,Bmp.Width,Bmp.Height); X := 40+Bmp.Width; finally Bmp.Free; Pic.Free; end; end else X := 24; AddLabel(Footer,false); end; // display the form Form.ClientHeight := Y; // retrieve the results result := Form.ShowModal; if Combo<>nil then begin SelectionRes := Combo.ItemIndex; Query := Combo.Text; end else if Edit<>nil then Query := Edit.Text; if Verif<>nil then VerifyChecked := Verif.Checked; RadioRes := 0; for i := 0 to high(Rad) do if Rad[i].Checked then RadioRes := i+200; finally Form.Free; end; end; { TTaskDialogEx } function TTaskDialogEx.Execute(aParent: HWND): integer; begin Result := Base.Execute(CommonButtons, ButtonDef, Flags, DialogIcon, FooterIcon, RadioDef, Width, aParent, NonNative, EmulateClassicStyle); end; {$endif USETMSPACK} initialization DefaultFont := TFont.Create; DefaultFont.Style := []; if Screen.Fonts.IndexOf('Calibri')>=0 then begin DefaultFont.Height := -14; DefaultFont.Name := 'Calibri'; end else begin if Screen.Fonts.IndexOf('Tahoma')>=0 then DefaultFont.Name := 'Tahoma' else DefaultFont.Name := 'Arial'; DefaultFont.Height := -13; end; {$ifndef USETMSPACK} InitComCtl6; assert(ord(tdfCanBeMinimized)=15); {$endif USETMSPACK} BitmapOK := TBitmap.Create; BitmapOK.LoadFromResourceName(HInstance,'btnOk'); // SQLite3btnok.bmp BitmapOK.Transparent := true; BitmapArrow := TBitmap.Create; BitmapArrow.LoadFromResourceName(HInstance,'btnArrow'); // SQLite3btnArrow.bmp BitmapArrow.Transparent := true; finalization DefaultFont.Free; BitmapArrow.Free; BitmapOK.Free; end.