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{
fpGUI - Free Pascal Graphical User Interface
Copyright (C) 2000 - 2001 by
Areca Systems GmbH / Sebastian Guenther
Copyright (C) 2006 by Graeme Geldenhuys
member of the fpGUI development team.
Dialogs declarations
See the file COPYING.fpGUI, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{%mainunit fpgui.pp}
{$IFDEF read_interface}
TCustomStandardDialog = class(TCustomForm)
private
procedure StdBtnClicked(Sender: TObject);
protected
FButtons: TMsgDlgButtons;
MainLayout, BtnLayout: TBoxLayout;
Separator: TSeparator;
function ProcessEvent(Event: TEventObj): Boolean; override;
function DistributeEvent(Event: TEventObj): Boolean; override;
procedure CalcSizes; override;
procedure Resized; override;
procedure SetButtons(AButtons: TMsgDlgButtons);
property Buttons: TMsgDlgButtons read FButtons write SetButtons default [mbOk, mbCancel];
public
constructor Create(AOwner: TComponent); override;
end;
TStandardDialog = class(TCustomStandardDialog)
published
property Text;
property OnCreate;
property Buttons;
end;
{$ENDIF read_interface}
{$IFDEF read_implementation}
// ===================================================================
// TCustomStandardDialog
// ===================================================================
// public methods
constructor TCustomStandardDialog.Create(AOwner: TComponent);
function AddBtn(const AText: String; ADefault: Boolean): TButton;
begin
Result := TButton.Create(Self);
Result.Text := AText;
// Result.Default := ADefault;
Result.OnClick := @StdBtnClicked;
Result.Parent := BtnLayout;
end;
begin
inherited Create(AOwner);
FButtons := [mbOk, mbCancel];
FBorderWidth := 4;
MainLayout := TBoxLayout.Create(Self);
MainLayout.Orientation := Vertical;
MainLayout.SetEmbeddedParent(Self);
Separator := TSeparator.Create(Self);
Separator.Parent := MainLayout;
BtnLayout := TBoxLayout.Create(Self);
BtnLayout.Orientation := Horizontal;
BtnLayout.HorzAlign := horzRight;
BtnLayout.VertAlign := vertCenter;
BtnLayout.CanExpandHeight := False;
BtnLayout.Parent := MainLayout;
if mbYes in FButtons then AddBtn(mbText_Yes, False);
if mbNo in FButtons then AddBtn(mbText_No, False);
if mbOk in FButtons then AddBtn(mbText_OK, True);
if mbCancel in FButtons then AddBtn(mbText_Cancel, False);
if mbApply in FButtons then AddBtn(mbText_Apply, False);
if mbAbort in FButtons then AddBtn(mbText_Abort, False);
if mbRetry in FButtons then AddBtn(mbText_Retry, False);
if mbIgnore in FButtons then AddBtn(mbText_Ignore, False);
if mbAll in FButtons then AddBtn(mbText_All, False);
if mbNoToAll in FButtons then AddBtn(mbText_NoToAll, False);
if mbYesToAll in FButtons then AddBtn(mbText_YesToAll, False);
if mbHelp in FButtons then AddBtn(mbText_Help, False);
end;
// protected methods
function TCustomStandardDialog.ProcessEvent(Event: TEventObj): Boolean;
begin
Result := MainLayout.ProcessEvent(Event) or inherited ProcessEvent(Event);
end;
function TCustomStandardDialog.DistributeEvent(Event: TEventObj): Boolean;
begin
Result := Event.SendToChild(MainLayout) or inherited DistributeEvent(Event);
end;
procedure TCustomStandardDialog.CalcSizes;
begin
if Assigned(Child) then
begin
FMinSize := Child.MinSize + 2 * BorderWidth;
FDefSize := Child.DefSize + 2 * BorderWidth;
FMaxSize.cx := Min(InfiniteSize, Child.MaxSize.cx + 2 * BorderWidth);
FMaxSize.cy := Min(InfiniteSize, Child.MaxSize.cy + 2 * BorderWidth);
end;
FMinSize.cx := Max(MinSize.cx, MainLayout.MinSize.cx + 2 * BorderWidth);
Inc(FMinSize.cy, MainLayout.DefSize.cy + BorderWidth);
FDefSize.cx := Max(DefSize.cx, MainLayout.DefSize.cx + 2 * BorderWidth);
FDefSize.cy := Min(InfiniteSize, DefSize.cy);
FMaxSize.cx := Min(MaxSize.cx, MainLayout.MaxSize.cx + 2 * BorderWidth);
FMaxSize.cy := Min(InfiniteSize, MaxSize.cy + MainLayout.DefSize.cy);
end;
procedure TCustomStandardDialog.Resized;
begin
if Assigned(Child) then
Child.SetBounds(Point(BorderWidth, BorderWidth),
gfxBase.Size(Width - 2 * BorderWidth,
Height - MainLayout.DefSize.cy - 2 * BorderWidth));
MainLayout.SetBounds(
Point(BorderWidth, Height - MainLayout.DefSize.cy - BorderWidth),
gfxBase.Size(Width - 2 * BorderWidth, MainLayout.DefSize.cy - BorderWidth));
end;
procedure TCustomStandardDialog.SetButtons(AButtons: TMsgDlgButtons);
begin
FButtons := AButtons;
end;
procedure TCustomStandardDialog.StdBtnClicked(Sender: TObject);
begin
Close;
end;
{$ENDIF read_implementation}
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