<2015-0723>
前几天jhgwqp@csdn留言, 问有没有Demo工程. 做了一个给他.原来记录这个技术点时, 也想做个Demo留念. 随着时间的推移, 已经忘了这事.
经jhgwqp@csdn提醒, 将这事做了.
工程下载点:srcbk_2015_0722_1819_src-sliding-window-display.rar
编译环境: vs2010 vc++ duilib
效果图:
代码预览:
建立弹出的滑动对话框时, 要以子窗口风格创建, 这样, 主窗口移动时, 我们就不用负责子窗口的位置移动了.
void CMainDlg::CreateDlgSlidingShow(){do{if (NULL != m_pDlgSlidingShow)break;m_pDlgSlidingShow = new CDlgSlidingShow(XML_FILE_NAME_dlgSlidingShow_MainDlg,WND_CLASS_NAME_dlgSlidingShow_MainDlg);if (NULL == m_pDlgSlidingShow)break;m_pDlgSlidingShow->SetOwner(this);m_pDlgSlidingShow->Create(this->GetHWND(),WND_DISP_NAME_dlgSlidingShow_MainDlg,UI_WNDSTYLE_CHILD,WS_EX_WINDOWEDGE);/// 先藏起来, 让滑动框自己滑动和显示隐藏, 要不起始位置不对/// 所有者没必要之道创建对象的起始条件m_pDlgSlidingShow->ShowWindow(false, false);} while (0);}在消息中处理子窗口的滑动显示, 对DuiLib的显示操作, 最好放在消息中处理, 防止崩溃.LRESULT CDlgSlidingShow::WndMessageProc_SlidingShow(UINT uMsg, WPARAM wParam, LPARAM lParam){/// 实现一个非模态窗口垂直滑动显示在指定父控件窗口里面/// * 从下到上，从最小高度到最大高度/// * 然后稳定显示x秒/// * 然后从上到下, 从最大高度到最小高度/// * 消失RECT rtMain;///< 主窗口sizeRECT rtLayout;///< 100%显示在父控件下方的大小RECT rtLayoutRate; ///< 窗口滑动时, 不通比率下的显示sizeconst UINT uDispTimeMax = 1000 * 6; ///< 滑动显示窗稳定显示时间/// 垂直显示比率步进值, 控制窗口滑动速度/// 这里设定是每10MS, 执行一次 Play()const float fDispStep = 0.03f;const UINT uMinHeight = 10;///< 最小窗口高度/// 最小高度限制的应对, 开始显示和结束显示的是最小高度const float fRateMin = 0.05f; ///< fRateMin 比率对应最小窗口高度static UINT uDispTimeTotal = 0; ///< 稳定显示的时间计数do{if (!m_bPlay)break;if (eDispStatus_inc == m_Status){m_fRate += fDispStep;if (m_fRate > 1.0f){m_fRate = 1.0f;uDispTimeTotal = 0;m_Status = eDispStatus_disp;}else if (m_fRate < fRateMin)m_fRate = fRateMin;}else if (eDispStatus_disp == m_Status){uDispTimeTotal += TIMER_DELAY_PLAY;if (uDispTimeTotal >= uDispTimeMax)m_Status = eDispStatus_dec;}else if (eDispStatus_dec == m_Status){m_fRate -= fDispStep;if (m_fRate <= fRateMin){m_fRate = fRateMin;uDispTimeTotal = 0;m_Status = eDispStatus_inc;m_bPlay = FALSE;}}// ::GetWindowRect(m_pOwner->GetHWND(), &rtMain);::GetClientRect(m_pOwner->GetHWND(), &rtMain);rtLayout.right = rtMain.right;rtLayout.bottom = rtMain.bottom;rtLayout.left = rtLayout.right – (m_rtMeOrg.right – m_rtMeOrg.left);rtLayout.top = rtLayout.bottom – (m_rtMeOrg.bottom – m_rtMeOrg.top);rtLayoutRate.left = rtLayout.left;rtLayoutRate.right = rtLayout.right;rtLayoutRate.bottom = rtLayout.bottom;rtLayoutRate.top = rtLayout.bottom – 1.0f * (rtLayout.bottom – rtLayout.top) * m_fRate;/// 界面库的限制吧 ? 无法设置成很低的高度, 有最小高度限制…/// 重载 OnGetMinMaxInfo 也没用/// 通过试验, 发现最小高度为10左右/// 作为所有者的非子窗口(~UI_WNDSTYLE_CHILD), 用SetWindowPos/// 如果是非子窗口, 位置也要重新实验一下, 不能用::GetClientRect./// 要用::GetWindowRect//::SetWindowPos(//this->GetHWND(), //m_pOwner->GetHWND(), //rtLayoutRate.left, //rtLayoutRate.top, //rtLayoutRate.right – rtLayoutRate.left, //rtLayoutRate.bottom – rtLayoutRate.top, //SWP_SHOWWINDOW);/// 作为所有者的子窗口(UI_WNDSTYLE_CHILD), 用MoveWindow::MoveWindow(this->GetHWND(),rtLayoutRate.left,rtLayoutRate.top,rtLayoutRate.right,rtLayoutRate.bottom,TRUE);::ShowWindow(this->GetHWND(), m_bPlay ? SW_SHOW : SW_HIDE);if (!m_bPlay){::PostMessageW(this->GetHWND(), WM_CLOSE, 0, 0);}} while (0);return S_OK;}
2014-03-28 03:23 的备份
void CFloatTextMsgDlg::Play(){/// 实现一个非模态窗口垂直滑动显示在指定父控件窗口里面/// * 从下到上，从最小高度到最大高度/// * 然后稳定显示x秒/// * 然后从上到下, 从最大高度到最小高度/// * 消失RECT rtTabView;///< 要显示的父控件sizeRECT rtMain;///< 主窗口sizeRECT rtLayout;///< 100%显示在父控件下方的大小RECT rtLayoutRate; ///< 窗口滑动时, 不通比率下的显示sizeconst UINT uDispTimeMax = 1000 * 6; ///< 滑动显示窗稳定显示时间/// 垂直显示比率步进值, 控制窗口滑动速度/// 这里设定是每10MS, 执行一次 Play()const float fDispStep = 0.03f;const UINT uMinHeight = 10;///< 最小窗口高度/// 最小高度限制的应对, 开始显示和结束显示的是最小高度const float fRateMin = 0.05f; ///< fRateMin 比率对应最小窗口高度static UINT uDispTimeTotal = 0; ///< 稳定显示的时间计数if (!m_bPlay)return;if (eDispStatus_inc == m_Status){m_fRate += fDispStep;if (m_fRate > 1.0f){m_fRate = 1.0f;uDispTimeTotal = 0;m_Status = eDispStatus_disp;}else if (m_fRate < fRateMin)m_fRate = fRateMin;}else if (eDispStatus_disp == m_Status){uDispTimeTotal += TIMER_DELAY_PLAY;if (uDispTimeTotal >= uDispTimeMax)m_Status = eDispStatus_dec;}else if (eDispStatus_dec == m_Status){m_fRate -= fDispStep;if (m_fRate <= fRateMin){m_fRate = fRateMin;uDispTimeTotal = 0;m_Status = eDispStatus_inc;m_bPlay = FALSE;}}m_pOwner->GetTabViewFramePosition(rtTabView);::GetWindowRect(m_pOwner->GetHWND(), &rtMain);rtLayout.left = rtMain.left + rtTabView.left;rtLayout.right = rtLayout.left + (m_rtMeOrg.right – m_rtMeOrg.left);rtLayout.top = rtMain.top + rtTabView.bottom – (m_rtMeOrg.bottom – m_rtMeOrg.top);rtLayout.bottom = rtMain.top + rtTabView.bottom;rtLayoutRate.left = rtLayout.left;rtLayoutRate.right = rtLayout.right;rtLayoutRate.bottom = rtLayout.bottom;rtLayoutRate.top = rtLayout.bottom – 1.0f * (rtLayout.bottom – rtLayout.top) * m_fRate;/// 界面库的限制吧 ? 无法设置成很低的高度, 有最小高度限制…/// 重载 OnGetMinMaxInfo 也没用/// 通过试验, 发现最小高度为10左右::SetWindowPos(this->GetHWND(),m_pOwner->GetHWND(),rtLayoutRate.left,rtLayoutRate.top,rtLayoutRate.right – rtLayoutRate.left,rtLayoutRate.bottom – rtLayoutRate.top,SWP_SHOWWINDOW);::ShowWindow(this->GetHWND(), m_bPlay ? SW_SHOW : SW_HIDE);}
，绊住的不仅是双脚，还有未来。
