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SAVERDLG.CPP
Package: MSDN_VC98.zip [view]
Upload User: bangxh
Upload Date: 2007-01-31
Package Size: 42235k
Code Size: 7k
Category:
Windows Develop
Development Platform:
Visual C++
- // Saverdlg.cpp : implementation file
- //
- #include "stdafx.h"
- #include "Saver.h"
- #include "drawwnd.h"
- #include "Saverdlg.h"
- #ifdef _DEBUG
- #undef THIS_FILE
- static char BASED_CODE THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- // CAboutDlg dialog used for App About
- class CAboutDlg : public CDialog
- {
- public:
- CAboutDlg();
- // Dialog Data
- //{{AFX_DATA(CAboutDlg)
- enum { IDD = IDD_ABOUTBOX };
- //}}AFX_DATA
- // Implementation
- protected:
- virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
- //{{AFX_MSG(CAboutDlg)
- virtual BOOL OnInitDialog();
- //}}AFX_MSG
- DECLARE_MESSAGE_MAP()
- };
- CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
- {
- //{{AFX_DATA_INIT(CAboutDlg)
- //}}AFX_DATA_INIT
- }
- void CAboutDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CAboutDlg)
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
- //{{AFX_MSG_MAP(CAboutDlg)
- // No message handlers
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CAboutDlg message handlers
- BOOL CAboutDlg::OnInitDialog()
- {
- CDialog::OnInitDialog();
- CenterWindow();
- // TODO: Add extra about dlg initialization here
- return TRUE; // return TRUE unless you set the focus to a control
- }
- /////////////////////////////////////////////////////////////////////////////
- // CSaverDlg dialog
- CSaverDlg::CSaverDlg(CWnd* pParent /*=NULL*/)
- : CDialog(CSaverDlg::IDD, pParent), m_wndPreview(FALSE)
- {
- //{{AFX_DATA_INIT(CSaverDlg)
- m_nWidth = 0;
- m_nCapStyle = -1;
- m_nResolution = 0;
- m_nSpeed = 0;
- m_nJoinStyle = -1;
- //}}AFX_DATA_INIT
- // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
- m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
- }
- void CSaverDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CSaverDlg)
- DDX_Control(pDX, IDC_JOIN_STYLE, m_comboJoin);
- DDX_Control(pDX, IDC_CAP_STYLE, m_comboStyle);
- DDX_Control(pDX, IDC_SCROLLBAR_SPEED, m_scrollSpeed);
- DDX_Control(pDX, IDC_SCROLLBAR_RES, m_scrollRes);
- DDX_Text(pDX, IDC_EDIT_WIDTH, m_nWidth);
- DDV_MinMaxInt(pDX, m_nWidth, 1, 100);
- DDX_CBIndex(pDX, IDC_CAP_STYLE, m_nCapStyle);
- DDX_Scroll(pDX, IDC_SCROLLBAR_RES, m_nResolution);
- DDX_Scroll(pDX, IDC_SCROLLBAR_SPEED, m_nSpeed);
- DDX_CBIndex(pDX, IDC_JOIN_STYLE, m_nJoinStyle);
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CSaverDlg, CDialog)
- //{{AFX_MSG_MAP(CSaverDlg)
- ON_WM_SYSCOMMAND()
- ON_WM_PAINT()
- ON_WM_QUERYDRAGICON()
- ON_WM_HSCROLL()
- ON_BN_CLICKED(IDC_BUTTON_COLOR, OnButtonColor)
- ON_EN_KILLFOCUS(IDC_EDIT_WIDTH, OnKillfocusEditWidth)
- ON_CBN_SELENDOK(IDC_JOIN_STYLE, OnSelendokStyle)
- ON_CBN_SELENDOK(IDC_CAP_STYLE, OnSelendokStyle)
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CSaverDlg message handlers
- BOOL CSaverDlg::OnInitDialog()
- {
- CDialog::OnInitDialog();
- CRect rect;
- GetDlgItem(IDC_PREVIEW)->GetWindowRect(&rect);
- ScreenToClient(&rect);
- m_wndPreview.Create(NULL, WS_VISIBLE|WS_CHILD, rect, this, NULL);
- m_wndPreview.SetColor(m_color);
- m_wndPreview.SetResolution(m_nResolution);
- m_wndPreview.SetSpeed(m_nSpeed);
- OnSelendokStyle();
- m_wndPreview.SetPenWidth(m_nWidth);
- m_scrollRes.SetScrollRange(1, 30);
- m_scrollSpeed.SetScrollRange(1, 100);
- m_scrollRes.SetScrollPos(m_nResolution);
- m_scrollSpeed.SetScrollPos(m_nSpeed);
- CenterWindow();
- // Add "About..." menu item to system menu.
- // IDM_ABOUTBOX must be in the system command range.
- ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
- ASSERT(IDM_ABOUTBOX < 0xF000);
- CMenu* pSysMenu = GetSystemMenu(FALSE);
- CString strAboutMenu;
- strAboutMenu.LoadString(IDS_ABOUTBOX);
- if (!strAboutMenu.IsEmpty())
- {
- pSysMenu->AppendMenu(MF_SEPARATOR);
- pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
- }
- // TODO: Add extra initialization here
- return TRUE; // return TRUE unless you set the focus to a control
- }
- void CSaverDlg::OnSysCommand(UINT nID, LPARAM lParam)
- {
- if ((nID & 0xFFF0) == IDM_ABOUTBOX)
- {
- CAboutDlg dlgAbout;
- dlgAbout.DoModal();
- }
- else
- {
- CDialog::OnSysCommand(nID, lParam);
- }
- }
- // If you add a minimize button to your dialog, you will need the code below
- // to draw the icon. For MFC applications using the document/view model,
- // this is automatically done for you by the framework.
- void CSaverDlg::OnPaint()
- {
- if (IsIconic())
- {
- CPaintDC dc(this); // device context for painting
- SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
- // Center icon in client rectangle
- int cxIcon = GetSystemMetrics(SM_CXICON);
- int cyIcon = GetSystemMetrics(SM_CYICON);
- CRect rect;
- GetClientRect(&rect);
- int x = (rect.Width() - cxIcon + 1) / 2;
- int y = (rect.Height() - cyIcon + 1) / 2;
- // Draw the icon
- dc.DrawIcon(x, y, m_hIcon);
- }
- else
- {
- CDialog::OnPaint();
- }
- }
- // The system calls this to obtain the cursor to display while the user drags
- // the minimized window.
- HCURSOR CSaverDlg::OnQueryDragIcon()
- {
- return (HCURSOR) m_hIcon;
- }
- void CSaverDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
- {
- ASSERT(pScrollBar != NULL);
- int nCurPos = pScrollBar->GetScrollPos();
- switch (nSBCode)
- {
- case SB_LEFT: // Scroll to far left.
- nCurPos = 1;
- break;
- case SB_LINELEFT: // Scroll left.
- nCurPos--;
- break;
- case SB_LINERIGHT: // Scroll right.
- nCurPos++;
- break;
- case SB_PAGELEFT: // Scroll one page left.
- nCurPos -= 10;
- break;
- case SB_PAGERIGHT: // Scroll one page right.
- nCurPos += 10;
- break;
- case SB_RIGHT: // Scroll to far right.
- nCurPos = 100;
- break;
- case SB_THUMBPOSITION: // Scroll to absolute position. The current position is specified by the nPos parameter.
- case SB_THUMBTRACK: // Drag scroll box to specified position. The current position is specified by the nPos parameter.
- nCurPos = nPos;
- }
- if (nCurPos < 1)
- nCurPos = 1;
- if (nCurPos > 100)
- nCurPos = 100;
- pScrollBar->SetScrollPos(nCurPos);
- m_wndPreview.SetSpeed(m_scrollSpeed.GetScrollPos());
- m_wndPreview.SetResolution(m_scrollRes.GetScrollPos());
- CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
- }
- void CSaverDlg::OnButtonColor()
- {
- CColorDialog dlg(m_color);
- if (dlg.DoModal() == IDOK)
- {
- m_color = dlg.GetColor();
- m_wndPreview.SetColor(m_color);
- }
- }
- void CSaverDlg::OnKillfocusEditWidth()
- {
- int nWidth = GetDlgItemInt(IDC_EDIT_WIDTH);
- if (nWidth < 1)
- nWidth = 1;
- m_wndPreview.SetPenWidth(nWidth);
- }
- void CSaverDlg::OnSelendokStyle()
- {
- int nStyle = 0;
- int nSel = m_comboStyle.GetCurSel();
- if (nSel < 0)
- nSel = 0;
- if (nSel == 0)
- nStyle = PS_ENDCAP_ROUND;
- else if (nSel == 1)
- nStyle = PS_ENDCAP_SQUARE;
- else
- nStyle = PS_ENDCAP_FLAT;
- nSel = m_comboJoin.GetCurSel();
- if (nSel < 0)
- nSel = 0;
- if (nSel == 0)
- nStyle |= PS_JOIN_ROUND;
- else if (nSel == 1)
- nStyle |= PS_JOIN_BEVEL;
- else
- nStyle |= PS_JOIN_MITER;
- m_wndPreview.SetLineStyle(nStyle);
- }