src/TortoiseMerge/CustomMFCRibbonButton.h

   1 // TortoiseMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2013 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #pragma once
  20
  21 /**
  22  * \ingroup TortoiseMerge
  23  * a custom MFC Ribbon Button to avoid the click delay
  24  */
  25
  26 class CCustomMFCRibbonButton : public CMFCRibbonButton
  27 {
  28 public:
  29         CCustomMFCRibbonButton() : CMFCRibbonButton() {}
  30         CCustomMFCRibbonButton(UINT nID, LPCTSTR lpszText, int nSmallImageIndex = -1, int nLargeImageIndex = -1, BOOL bAlwaysShowDescription = FALSE)
  31                 : CMFCRibbonButton(nID, lpszText, nSmallImageIndex, nLargeImageIndex, bAlwaysShowDescription) {}
  32         CCustomMFCRibbonButton(UINT nID, LPCTSTR lpszText, HICON hIcon, BOOL bAlwaysShowDescription = FALSE, HICON hIconSmall = nullptr, BOOL bAutoDestroyIcon = FALSE, BOOL bAlphaBlendIcon = FALSE)
  33                 : CMFCRibbonButton(nID, lpszText, hIcon, bAlwaysShowDescription, hIconSmall, bAutoDestroyIcon, bAlphaBlendIcon) {}
  34
  35 protected:
  36         // override the OnLButtonUp method because the original one
  37         // does nothing if the button is still marked as pressed or highlighted:
  38         // that behavior prevents fast clicks because after each click
  39         // the window first needs to process various messages until it clears
  40         // those pressed and highlighted flags.
  41         virtual void OnLButtonUp(CPoint point)
  42         {
  43                 ASSERT_VALID(this);
  44
  45                 CMFCRibbonBaseElement::OnLButtonUp(point);
  46
  47                 if (m_bIsDisabled)
  48                 {
  49                         return;
  50                 }
  51
  52                 if (m_bIsDroppedDown)
  53                 {
  54                         if (!m_rectCommand.IsRectEmpty () && m_rectCommand.PtInRect (point) && IsMenuMode ())
  55                         {
  56                                 OnClick (point);
  57                         }
  58                         return;
  59                 }
  60
  61                 if (!m_rectCommand.IsRectEmpty() && !m_rectCommand.PtInRect(point))
  62                 {
  63                         return;
  64                 }
  65
  66                 OnClick(point);
  67         }
  68 };