root/applications/osmo4_wce/ProgressBar.cpp

DEFINITIONS

1. DoDataExchange
2. BEGIN_MESSAGE_MAP
3. OnHScroll
4. SetPosition

// ProgressBar.cpp : implementation file
//

#include "stdafx.h"
#include "Osmo4.h"
#include "ProgressBar.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// ProgressBar dialog


ProgressBar::ProgressBar(CWnd* pParent /*=NULL*/)
        : CDialog(ProgressBar::IDD, pParent)
{
        //{{AFX_DATA_INIT(ProgressBar)
        //}}AFX_DATA_INIT

        m_grabbed = 0;
        m_range_invalidated = 0;
}


void ProgressBar::DoDataExchange(CDataExchange* pDX)
{
        CDialog::DoDataExchange(pDX);
        //{{AFX_DATA_MAP(ProgressBar)
        DDX_Control(pDX, IDC_TIME, m_Time);
        DDX_Control(pDX, IDC_SLIDER, m_Slider);
        //}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(ProgressBar, CDialog)
        //{{AFX_MSG_MAP(ProgressBar)
        ON_WM_SIZE()
        ON_WM_HSCROLL()
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// ProgressBar message handlers
#define TEXT_RIGHT_PAD  2
void ProgressBar::OnSize(UINT nType, int cx, int cy)
{
        u32 tw;
        CDialog::OnSize(nType, cx, cy);

        if (!m_Slider.m_hWnd) return;

        RECT rc;
        m_Time.GetClientRect(&rc);
        tw = rc.right-rc.left;
        rc.left = cx - tw - TEXT_RIGHT_PAD;
        rc.right = cx - TEXT_RIGHT_PAD;
        m_Time.MoveWindow(&rc);
        m_Slider.GetClientRect(&rc);
        rc.left = 0;
        rc.right = cx - tw - TEXT_RIGHT_PAD;
        m_Slider.MoveWindow(&rc);
}

void ProgressBar::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
        COsmo4 *app = GetApp();

        if (pScrollBar->GetDlgCtrlID() == IDC_SLIDER) {
                if (!app->m_can_seek) return;
                switch (nSBCode) {
                case TB_LINEUP:
                case TB_LINEDOWN:
                case TB_PAGEUP:
                case TB_PAGEDOWN:
                case TB_THUMBPOSITION:
                case TB_THUMBTRACK:
                case TB_TOP:
                case TB_BOTTOM:
                        m_grabbed = 1;
                        break;
                case TB_ENDTRACK:
                        if (!app->m_open) {
                                SetPosition(0);
                        } else {
                                u32 seek_to = m_Slider.GetPos();
                                gf_term_play_from_time(app->m_term, seek_to, 0);
                        }
                        m_grabbed = 0;
                        return;
                }
        }
        CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}

void ProgressBar::SetPosition(u32 now)
{
        TCHAR swText[20];
        u32 nb_s, nb_m;
        COsmo4 *app = GetApp();

        if (m_range_invalidated) {
                if (app->m_can_seek) {
                        m_Slider.SetRangeMin(0);
                        m_Slider.SetRangeMax(app->m_duration);
                        m_Slider.ShowWindow(SW_SHOWNORMAL);
                        m_Slider.EnableWindow(TRUE);
                } else {
                        m_Slider.ShowWindow(SW_SHOWNORMAL);
                        m_Slider.EnableWindow(FALSE);

                }
                m_range_invalidated = 0;
        }
        if (now==m_prev_time) return;

        if (now<m_prev_time) m_prev_time = 0;

        if (!m_prev_time || (m_prev_time + 500 <= now)) {
                m_FPS = gf_term_get_framerate(app->m_term, 0);
                m_prev_time = now;
        }
        nb_s = now/1000;
        nb_m = nb_s/60;
        nb_s -= nb_m*60;
        wsprintf(swText, _T("%02d:%02d FPS %02.2f"), nb_m, nb_s, m_FPS);
        m_Time.SetWindowText(swText);

        if (!m_grabbed) m_Slider.SetPos(now);
}