src/apps/mplayerc/VolumeCtrl.cpp

   1 /*
   2  *      Copyright (C) 2003-2006 Gabest
   3  *      http://www.gabest.org
   4  *
   5  *  This Program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  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 GNU Make; see the file COPYING.  If not, write to
  17  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *  http://www.gnu.org/copyleft/gpl.html
  19  *
  20  */
  21
  22 // VolumeCtrl.cpp : implementation file
  23 //
  24
  25 #include "stdafx.h"
  26 #include "mplayerc.h"
  27 #include "VolumeCtrl.h"
  28
  29
  30 // CVolumeCtrl
  31
  32 IMPLEMENT_DYNAMIC(CVolumeCtrl, CSliderCtrl)
  33 CVolumeCtrl::CVolumeCtrl(bool fSelfDrawn) : m_fSelfDrawn(fSelfDrawn)
  34 {
  35 }
  36
  37 CVolumeCtrl::~CVolumeCtrl()
  38 {
  39 }
  40
  41 bool CVolumeCtrl::Create(CWnd* pParentWnd)
  42 {
  43         if(!CSliderCtrl::Create(WS_CHILD|WS_VISIBLE|TBS_NOTICKS|TBS_HORZ, CRect(0,0,0,0), pParentWnd, IDC_SLIDER1))
  44                 return(false);
  45
  46         SetRange(1, 100);
  47         SetPosInternal(AfxGetAppSettings().nVolume);
  48         SetPageSize(8);
  49         SetLineSize(0);
  50
  51         return(true);
  52 }
  53
  54 void CVolumeCtrl::SetPosInternal(int pos)
  55 {
  56         SetPos(pos);
  57         GetParent()->PostMessage(WM_HSCROLL, MAKEWPARAM((short)pos, SB_THUMBPOSITION), (LPARAM)m_hWnd); // this will be reflected back on us
  58 }
  59
  60 void CVolumeCtrl::IncreaseVolume()
  61 {
  62         SetPosInternal(GetPos() + GetPageSize());
  63 }
  64
  65 void CVolumeCtrl::DecreaseVolume()
  66 {
  67         SetPosInternal(GetPos() - GetPageSize());
  68 }
  69
  70 BEGIN_MESSAGE_MAP(CVolumeCtrl, CSliderCtrl)
  71         ON_NOTIFY_REFLECT(NM_CUSTOMDRAW, OnNMCustomdraw)
  72         ON_WM_LBUTTONDOWN()
  73         ON_WM_SETFOCUS()
  74         ON_WM_HSCROLL_REFLECT()
  75 END_MESSAGE_MAP()
  76
  77 // CVolumeCtrl message handlers
  78
  79
  80 void CVolumeCtrl::OnNMCustomdraw(NMHDR* pNMHDR, LRESULT* pResult)
  81 {
  82         LPNMCUSTOMDRAW pNMCD = reinterpret_cast<LPNMCUSTOMDRAW>(pNMHDR);
  83
  84         LRESULT lr = CDRF_DODEFAULT;
  85
  86         if(m_fSelfDrawn)
  87         switch(pNMCD->dwDrawStage)
  88         {
  89         case CDDS_PREPAINT:
  90                 lr = CDRF_NOTIFYITEMDRAW;
  91                 break;
  92
  93         case CDDS_ITEMPREPAINT:
  94                 if(pNMCD->dwItemSpec == TBCD_CHANNEL)
  95                 {
  96                         CDC dc;
  97                         dc.Attach(pNMCD->hdc);
  98
  99                                 CRect r;
 100                                 GetClientRect(r);
 101                                 r.DeflateRect(8, 4, 10, 6);
 102                                 CopyRect(&pNMCD->rc, &r);
 103                                 CPen shadow(PS_SOLID, 1, GetSysColor(COLOR_3DSHADOW));
 104                                 CPen light(PS_SOLID, 1, GetSysColor(COLOR_3DHILIGHT));
 105                                 CPen* old = dc.SelectObject(&light);
 106                                 dc.MoveTo(pNMCD->rc.right, pNMCD->rc.top);
 107                                 dc.LineTo(pNMCD->rc.right, pNMCD->rc.bottom);
 108                                 dc.LineTo(pNMCD->rc.left, pNMCD->rc.bottom);
 109                                 dc.SelectObject(&shadow);
 110                                 dc.LineTo(pNMCD->rc.right, pNMCD->rc.top);
 111                                 dc.SelectObject(old);
 112
 113                         dc.Detach();
 114                         lr = CDRF_SKIPDEFAULT;
 115                 }
 116                 else if(pNMCD->dwItemSpec == TBCD_THUMB)
 117                 {
 118                         CDC dc;
 119                         dc.Attach(pNMCD->hdc);
 120                         pNMCD->rc.bottom--;
 121                         CRect r(pNMCD->rc);
 122                         r.DeflateRect(0, 0, 1, 0);
 123
 124                                 COLORREF shadow = GetSysColor(COLOR_3DSHADOW);
 125                                 COLORREF light = GetSysColor(COLOR_3DHILIGHT);
 126                                 dc.Draw3dRect(&r, light, 0);
 127                                 r.DeflateRect(0, 0, 1, 1);
 128                                 dc.Draw3dRect(&r, light, shadow);
 129                                 r.DeflateRect(1, 1, 1, 1);
 130                                 dc.FillSolidRect(&r, GetSysColor(COLOR_BTNFACE));
 131                                 dc.SetPixel(r.left+7, r.top-1, GetSysColor(COLOR_BTNFACE));
 132
 133                         dc.Detach();
 134                         lr = CDRF_SKIPDEFAULT;
 135                 }
 136
 137                 break;
 138         };
 139
 140         pNMCD->uItemState &= ~CDIS_FOCUS;
 141
 142         *pResult = lr;
 143 }
 144
 145 void CVolumeCtrl::OnLButtonDown(UINT nFlags, CPoint point)
 146 {
 147         CRect r;
 148         GetChannelRect(&r);
 149
 150         if(r.left >= r.right) return;
 151
 152         int start, stop;
 153         GetRange(start, stop);
 154
 155         int pos = GetPos();
 156
 157         r.left += 3;
 158         r.right -= 4;
 159
 160         if(point.x < r.left) SetPos(start);
 161         else if(point.x >= r.right) SetPos(stop);
 162         else
 163         {
 164                 int w = r.right - r.left;
 165                 if(start < stop)
 166                         SetPosInternal(start + ((stop - start) * (point.x - r.left) + (w/2)) / w);
 167         }
 168
 169         CSliderCtrl::OnLButtonDown(nFlags, point);
 170 }
 171
 172 void CVolumeCtrl::OnSetFocus(CWnd* pOldWnd)
 173 {
 174         CSliderCtrl::OnSetFocus(pOldWnd);
 175
 176         AfxGetMainWnd()->SetFocus(); // don't focus on us, parents will take care of our positioning
 177 }
 178
 179 void CVolumeCtrl::HScroll(UINT nSBCode, UINT nPos)
 180 {
 181         AfxGetAppSettings().nVolume = GetPos();
 182
 183         CFrameWnd* pFrame = GetParentFrame();
 184         if(pFrame && pFrame != GetParent())
 185                 pFrame->PostMessage(WM_HSCROLL, MAKEWPARAM((short)nPos, nSBCode), (LPARAM)m_hWnd);
 186 }