vcl/source/control/menubtn.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <tools/rc.h>
  22 #include <vcl/decoview.hxx>
  23 #include <vcl/event.hxx>
  24 #include <vcl/menu.hxx>
  25 #include <vcl/timer.hxx>
  26 #include <vcl/menubtn.hxx>
  27 #include <vcl/svapp.hxx>
  28
  29 void MenuButton::ImplInitMenuButtonData()
  30 {
  31     mnDDStyle       = PUSHBUTTON_DROPDOWN_MENUBUTTON;
  32
  33     mpMenuTimer     = NULL;
  34     mpMenu          = NULL;
  35     mpOwnMenu       = NULL;
  36     mnCurItemId     = 0;
  37     mnMenuMode      = 0;
  38 }
  39
  40 void MenuButton::ImplInit( Window* pParent, WinBits nStyle )
  41 {
  42     if ( !(nStyle & WB_NOTABSTOP) )
  43         nStyle |= WB_TABSTOP;
  44
  45     PushButton::ImplInit( pParent, nStyle );
  46     EnableRTL( Application::GetSettings().GetLayoutRTL() );
  47 }
  48
  49 void MenuButton::ImplExecuteMenu()
  50 {
  51     Activate();
  52
  53     if ( mpMenu )
  54     {
  55         Point aPos( 0, 1 );
  56         Size aSize = GetSizePixel();
  57         Rectangle aRect( aPos, aSize );
  58         SetPressed( sal_True );
  59         EndSelection();
  60         mnCurItemId = mpMenu->Execute( this, aRect, POPUPMENU_EXECUTE_DOWN );
  61         SetPressed( sal_False );
  62         if ( mnCurItemId )
  63         {
  64             Select();
  65             mnCurItemId = 0;
  66         }
  67     }
  68 }
  69
  70 OString MenuButton::GetCurItemIdent() const
  71 {
  72     return (mnCurItemId && mpMenu) ?
  73         mpMenu->GetItemIdent(mnCurItemId) : OString();
  74 }
  75
  76
  77 MenuButton::MenuButton( Window* pParent, WinBits nWinBits )
  78     : PushButton( WINDOW_MENUBUTTON )
  79 {
  80     ImplInitMenuButtonData();
  81     ImplInit( pParent, nWinBits );
  82 }
  83
  84 MenuButton::MenuButton( Window* pParent, const ResId& rResId )
  85     : PushButton( WINDOW_MENUBUTTON )
  86 {
  87     ImplInitMenuButtonData();
  88     rResId.SetRT( RSC_MENUBUTTON );
  89     WinBits nStyle = ImplInitRes( rResId );
  90     ImplInit( pParent, nStyle );
  91     ImplLoadRes( rResId );
  92
  93     if ( !(nStyle & WB_HIDE) )
  94         Show();
  95 }
  96
  97 void MenuButton::ImplLoadRes( const ResId& rResId )
  98 {
  99     Control::ImplLoadRes( rResId );
 100
 101     sal_uLong nObjMask = ReadLongRes();
 102
 103     if ( RSCMENUBUTTON_MENU & nObjMask )
 104     {
 105         mpOwnMenu = new PopupMenu( ResId( (RSHEADER_TYPE*)GetClassRes(), *rResId.GetResMgr() ) );
 106         SetPopupMenu( mpOwnMenu );
 107         IncrementRes( GetObjSizeRes( (RSHEADER_TYPE*)GetClassRes() ) );
 108     }
 109 }
 110
 111 MenuButton::~MenuButton()
 112 {
 113     delete mpMenuTimer;
 114     delete mpOwnMenu;
 115 }
 116
 117 IMPL_LINK_NOARG(MenuButton, ImplMenuTimeoutHdl)
 118 {
 119     // See if Button Tracking is still active, as it could've been cancelled earler
 120     if ( IsTracking() )
 121     {
 122         if ( !(GetStyle() & WB_NOPOINTERFOCUS) )
 123             GrabFocus();
 124         ImplExecuteMenu();
 125     }
 126
 127     return 0;
 128 }
 129
 130
 131 void MenuButton::MouseButtonDown( const MouseEvent& rMEvt )
 132 {
 133     bool bExecute = true;
 134     if ( mnMenuMode & MENUBUTTON_MENUMODE_TIMED )
 135     {
 136         // If the separated dropdown symbol is not hit, delay the popup execution
 137         if( mnDDStyle != PUSHBUTTON_DROPDOWN_MENUBUTTON || // no separator at all
 138             rMEvt.GetPosPixel().X() <= ImplGetSeparatorX() )
 139         {
 140             if ( !mpMenuTimer )
 141             {
 142                 mpMenuTimer = new Timer;
 143                 mpMenuTimer->SetTimeoutHdl( LINK( this, MenuButton, ImplMenuTimeoutHdl ) );
 144             }
 145
 146             mpMenuTimer->SetTimeout( GetSettings().GetMouseSettings().GetActionDelay() );
 147             mpMenuTimer->Start();
 148
 149             PushButton::MouseButtonDown( rMEvt );
 150             bExecute = false;
 151         }
 152     }
 153     if( bExecute )
 154     {
 155         if ( PushButton::ImplHitTestPushButton( this, rMEvt.GetPosPixel() ) )
 156         {
 157             if ( !(GetStyle() & WB_NOPOINTERFOCUS) )
 158                 GrabFocus();
 159             ImplExecuteMenu();
 160         }
 161     }
 162 }
 163
 164
 165 void MenuButton::KeyInput( const KeyEvent& rKEvt )
 166 {
 167     KeyCode aKeyCode = rKEvt.GetKeyCode();
 168     sal_uInt16 nCode = aKeyCode.GetCode();
 169     if ( (nCode == KEY_DOWN) && aKeyCode.IsMod2() )
 170         ImplExecuteMenu();
 171     else if ( !(mnMenuMode & MENUBUTTON_MENUMODE_TIMED) &&
 172               !aKeyCode.GetModifier() &&
 173               ((nCode == KEY_RETURN) || (nCode == KEY_SPACE)) )
 174         ImplExecuteMenu();
 175     else
 176         PushButton::KeyInput( rKEvt );
 177 }
 178
 179
 180 void MenuButton::Activate()
 181 {
 182     maActivateHdl.Call( this );
 183 }
 184
 185
 186 void MenuButton::Select()
 187 {
 188     maSelectHdl.Call( this );
 189 }
 190
 191
 192 void MenuButton::SetMenuMode( sal_uInt16 nMode )
 193 {
 194     // FIXME: It's better to not inline this for 5.1; in 6.0 we can make it inline, however
 195     mnMenuMode = nMode;
 196 }
 197
 198 void MenuButton::SetPopupMenu( PopupMenu* pNewMenu )
 199 {
 200     if (pNewMenu == mpMenu)
 201         return;
 202
 203     // FIXME: It's better to not inline this for 5.1; in 6.0 we can make it inline, however
 204     mpMenu = pNewMenu;
 205 }
 206
 207 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */