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{
*****************************************************************************
* CustomDrawnWSMenus.pp *
* ------------ *
* *
* *
*****************************************************************************
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
unit CustomDrawnWSMenus;
{$mode objfpc}{$H+}
interface
{$I customdrawndefines.inc}
uses
// Platform specific
{$ifdef CD_Windows}Windows, customdrawn_WinProc,{$endif}
{$ifdef CD_Cocoa}MacOSAll, CocoaAll, customdrawn_cocoaproc, CocoaGDIObjects, CocoaUtils,{$endif}
// LCL
SysUtils, Classes, Types, Math,
LCLType, LCLProc, Graphics, Controls, Forms, Menus,
// Widgetset
WSMenus, WSLCLClasses;
type
{ TCDWSMenuItem }
TCDWSMenuItem = class(TWSMenuItem)
published
class procedure AttachMenu(const AMenuItem: TMenuItem); override;
class function CreateHandle(const AMenuItem: TMenuItem): HMENU; override;
class procedure DestroyHandle(const AMenuItem: TMenuItem); override;
class procedure SetCaption(const AMenuItem: TMenuItem; const ACaption: string); override;
class procedure SetShortCut(const AMenuItem: TMenuItem; const ShortCutK1, ShortCutK2: TShortCut); override;
class procedure SetVisible(const AMenuItem: TMenuItem; const Visible: boolean); override;
class function SetCheck(const AMenuItem: TMenuItem; const Checked: boolean): boolean; override;
class function SetEnable(const AMenuItem: TMenuItem; const Enabled: boolean): boolean; override;
class function SetRadioItem(const AMenuItem: TMenuItem; const RadioItem: boolean): boolean; override;
class function SetRightJustify(const AMenuItem: TMenuItem; const Justified: boolean): boolean; override;
class procedure UpdateMenuIcon(const AMenuItem: TMenuItem; const HasIcon: Boolean; const AIcon: TBitmap); override;
end;
{ TCDWSMenu }
TCDWSMenu = class(TWSMenu)
published
class function CreateHandle(const AMenu: TMenu): HMENU; override;
{ class procedure SetBiDiMode(const AMenu: TMenu; UseRightToLeftAlign, UseRightToLeftReading : Boolean); override;}
end;
{ TCDWSMainMenu }
TCDWSMainMenu = class(TWSMainMenu)
published
end;
{ TCDWSPopupMenu }
TCDWSPopupMenu = class(TWSPopupMenu)
published
class procedure Popup(const APopupMenu: TPopupMenu; const X, Y: integer); override;
end;
implementation
{$ifdef CD_Cocoa}
{$include customdrawnwsmenus_cocoa.inc}
{$define CD_HasNativeWSMenusINC}
{$endif}
{$ifndef CD_HasNativeWSMenusINC}
uses
StdCtrls, LCLIntf;
type
TCDPopUpMenuForm = class(TForm)
public
Items: array of TStaticText;
LCLMenu: TPopUpMenu;
procedure HandleItemClick(ASender: TObject);
end;
procedure TCDPopUpMenuForm.HandleItemClick(ASender: TObject);
var
lSelectedItem: PtrInt;
begin
Self.Close;
lSelectedItem := TStaticText(ASender).Tag;
if LCLIntf.OnShowSelectItemDialogResult <> nil then
LCLIntf.OnShowSelectItemDialogResult(lSelectedItem);
end;
var
CDPopUpMenus: TFPList; // of TCDPopUpMenuForm
{ TCDWSMenuItem }
class procedure TCDWSMenuItem.AttachMenu(const AMenuItem: TMenuItem);
begin
inherited AttachMenu(AMenuItem);
end;
class function TCDWSMenuItem.CreateHandle(const AMenuItem: TMenuItem): HMENU;
begin
// Fill a dummy value to get a positive result for HandleAllocated
Result := $FFFFFF;
end;
class procedure TCDWSMenuItem.DestroyHandle(const AMenuItem: TMenuItem);
begin
end;
class procedure TCDWSMenuItem.SetCaption(const AMenuItem: TMenuItem;
const ACaption: string);
begin
inherited SetCaption(AMenuItem, ACaption);
end;
class procedure TCDWSMenuItem.SetShortCut(const AMenuItem: TMenuItem;
const ShortCutK1, ShortCutK2: TShortCut);
begin
inherited SetShortCut(AMenuItem, ShortCutK1, ShortCutK2);
end;
class procedure TCDWSMenuItem.SetVisible(const AMenuItem: TMenuItem;
const Visible: boolean);
begin
inherited SetVisible(AMenuItem, Visible);
end;
class function TCDWSMenuItem.SetCheck(const AMenuItem: TMenuItem;
const Checked: boolean): boolean;
begin
Result:=inherited SetCheck(AMenuItem, Checked);
end;
class function TCDWSMenuItem.SetEnable(const AMenuItem: TMenuItem;
const Enabled: boolean): boolean;
begin
Result:=inherited SetEnable(AMenuItem, Enabled);
end;
class function TCDWSMenuItem.SetRadioItem(const AMenuItem: TMenuItem;
const RadioItem: boolean): boolean;
begin
Result:=inherited SetRadioItem(AMenuItem, RadioItem);
end;
class function TCDWSMenuItem.SetRightJustify(const AMenuItem: TMenuItem;
const Justified: boolean): boolean;
begin
Result:=inherited SetRightJustify(AMenuItem, Justified);
end;
class procedure TCDWSMenuItem.UpdateMenuIcon(const AMenuItem: TMenuItem;
const HasIcon: Boolean; const AIcon: TBitmap);
begin
inherited UpdateMenuIcon(AMenuItem, HasIcon, AIcon);
end;
{ TCDWSMenu }
class function TCDWSMenu.CreateHandle(const AMenu: TMenu): HMENU;
begin
// Fill a dummy value to get a positive result for HandleAllocated
Result := $FFFFFF;
end;
{ TCDWSPopupMenu }
class procedure TCDWSPopupMenu.Popup(const APopupMenu: TPopupMenu; const X, Y: integer);
var
i, CurY, MaxWidth, CurWidth, ItemHeight: Integer;
CurItem: TStaticText;
CurCDPopUpMenu: TCDPopUpMenuForm;
begin
if APopUpMenu.Items.Count = 0 then Exit;
CurCDPopUpMenu := TCDPopUpMenuForm.CreateNew(nil);
CDPopUpMenus.Add(CurCDPopUpMenu);
CurCDPopUpMenu.Left := X;
CurCDPopUpMenu.Top := Y;
ItemHeight := CurCDPopUpMenu.Canvas.TextHeight('Áç') + 5;
CurCDPopUpMenu.Height := ItemHeight * APopUpMenu.Items.Count;
CurY := 0;
MaxWidth := 0;
SetLength(CurCDPopUpMenu.Items, APopUpMenu.Items.Count);
for i := 0 to APopUpMenu.Items.Count-1 do
begin
CurItem := TStaticText.Create(CurCDPopUpMenu);
CurCDPopUpMenu.Items[i] := CurItem;
CurItem.Top := CurY;
Inc(CurY, ItemHeight);
CurItem.Left := 0;
CurItem.AutoSize := True;
CurItem.Parent := CurCDPopUpMenu;
CurItem.Caption := APopUpMenu.Items[i].Caption;
CurItem.Tag := i;
CurItem.OnClick := @CurCDPopUpMenu.HandleItemClick;
CurWidth := CurCDPopUpMenu.Canvas.TextWidth(CurItem.Caption);
MaxWidth := Max(MaxWidth, CurWidth);
end;
CurCDPopUpMenu.Width := MaxWidth;
CurCDPopUpMenu.Show;
end;
initialization
CDPopUpMenus := TFPList.Create;
{$endif}
end.
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