コード例 #1
0
 /// <summary>
 /// Erases Item
 /// </summary>
 private void EraseItem(ref NMLVCUSTOMDRAW customDraw)
 {
     try
     {
         using (Graphics g = Graphics.FromHdc(customDraw.nmcd.hdc))
         {
             Rectangle rect = new Rectangle(customDraw.nmcd.rc.left, customDraw.nmcd.rc.top, customDraw.nmcd.rc.right - customDraw.nmcd.rc.left, customDraw.nmcd.rc.bottom - customDraw.nmcd.rc.top);
             g.FillRectangle(new SolidBrush(BackColor), rect);
         }
     }
     catch (Exception ex)
     {
         System.Diagnostics.Trace.WriteLine("CustomListView.EraseItem failed : " + ex, "UI");
     }
 }
コード例 #2
0
        /// <summary>
        /// Draws Item
        /// </summary>
        private void DrawItem(ref NMLVCUSTOMDRAW customDraw)
        {
            try
            {
                ListViewItem item = this.Items[customDraw.nmcd.dwItemSpec];

                if (myItemPainter != null && myItemPainter.IsHandled(item))
                {
                    using (Graphics g = Graphics.FromHdc(customDraw.nmcd.hdc))
                    {
                        myItemPainter.Draw(item, g, new Rectangle(0, 0, ClientSize.Width, 0));
                    }
                }
            }
            catch (Exception ex)
            {
                System.Diagnostics.Trace.WriteLine("CustomListView.DrawItem failed : " + ex, "UI");
            }
        }
コード例 #3
0
        /// <summary>
        /// Handles the NM_CUSTOMDRAW notification
        /// </summary>
        private void OnCustomDraw(ref NMLVCUSTOMDRAW customDraw, ref Message m)
        {
            ListViewItem item;

            switch (customDraw.nmcd.dwDrawStage)
            {
            case Win32Declarations.CDDS_PREPAINT:
                m.Result = (IntPtr)(Win32Declarations.CDRF_NOTIFYITEMDRAW | Win32Declarations.CDRF_NOTIFYPOSTPAINT);
                break;

            case Win32Declarations.CDDS_ITEMPREPAINT:
                item = Items[customDraw.nmcd.dwItemSpec];

                if (myItemPainter != null && item != null && myItemPainter.IsHandled(item))
                {
                    m.Result = (IntPtr)(Win32Declarations.CDRF_NOTIFYITEMDRAW | Win32Declarations.CDRF_NOTIFYPOSTPAINT);
                }
                else
                {
                    m.Result = (IntPtr)Win32Declarations.CDRF_NOTIFYITEMDRAW;
                }

                break;

            case Win32Declarations.CDDS_ITEMPOSTPAINT:
                DrawItem(ref customDraw);
                break;

            case Win32Declarations.CDDS_POSTERASE:
                EraseItem(ref customDraw);
                break;

            default:
                m.Result = (IntPtr)Win32Declarations.CDRF_DODEFAULT;
                break;
            }
        }
コード例 #4
0
ファイル: ListViewEx.cs プロジェクト: sillsdev/CarlaLegacy
        void DoListCustomDrawing(ref Message m)
        {
            NMLVCUSTOMDRAW lvcd = (NMLVCUSTOMDRAW)m.GetLParam(typeof(NMLVCUSTOMDRAW));
            int            row  = lvcd.nmcd.dwItemSpec;
            int            col  = lvcd.iSubItem;

            // If we don't have any items we must be doing something wrong
            // because the list is only going to request custom drawing of items
            // in the list, if we have items in the list, the Items cannot possibly
            // be zero
            Debug.Assert(Items.Count != 0);
            ListViewItem lvi = Items[row];
            Rectangle    rc  = GetSubItemRect(row, col);

            // Draw the item
            // We did not need to actually paint the items that are not selected
            // but doing all the painting ourselves eliminates some random bugs where
            // the list sometimes did not update a subitem  that was not selected anymore
            // leaving the subitem with a different background color
            // than the rest of the row
            using (Graphics g = Graphics.FromHdc(lvcd.nmcd.hdc))
            {
                // Draw Fill Rectangle
                if (IsRowSelected(row))
                {
                    int subItemOffset = 2;
                    if (GridLines)
                    {
                        subItemOffset = 3;
                    }

                    g.FillRectangle(new SolidBrush(ColorUtil.VSNetSelectionColor), rc.Left + 1, rc.Top + 1, rc.Width - 2, rc.Height - subItemOffset);

                    // Draw Border
                    if (col == 0)
                    {
                        Color borderColor  = SystemColors.Highlight;
                        int   heightOffset = 1;
                        if (GridLines)
                        {
                            heightOffset = 2;
                        }
                        g.DrawRectangle(new Pen(borderColor), rc.Left + 1, rc.Top, rc.Width - 2, rc.Height - heightOffset);
                    }
                }
                else
                {
                    if (col == lastSortedColumn)
                    {
                        if (col == 0)
                        {
                            rc = AdjustFirstItemRect(rc);
                        }
                        g.FillRectangle(new SolidBrush(Color.FromArgb(247, 247, 247)), rc.Left, rc.Top, rc.Width, rc.Height);
                    }
                    else
                    {
                        if (col == 0)
                        {
                            rc = AdjustFirstItemRect(rc);
                        }
                        g.FillRectangle(new SolidBrush(SystemColors.Window), rc.Left, rc.Top, rc.Width, rc.Height);
                    }
                }

                // Adjust rectangle, when getting the rectangle for column zero
                // the rectangle return is the one for the whole control
                if (col == 0)
                {
                    rc = AdjustFirstItemRect(rc);
                }

                // Draw Text
                string text     = GetSubItemText(row, col);
                Size   textSize = TextUtil.GetTextSize(g, text, Font);
                int    gap      = 4;
                Point  pos      = new Point(rc.Left + gap, rc.Top + ((rc.Height - textSize.Height) / 2));

                // I use the Windows API instead of the Graphics object to draw the string
                // because the Graphics object draws ellipes without living blank spaces in between
                // the DrawText API adds those blank spaces in between
                int ellipsingTringgering = 8;

                if (CheckBoxes && col == 0)
                {
                    // draw checkbox
                    int checkIndex = 0;
                    if (lvi.Checked)
                    {
                        checkIndex = 1;
                    }
                    g.DrawImage(checkBoxesImageList.Images[checkIndex], rc.Left + gap, rc.Top);
                    pos.X   += IMAGE_WIDTH;
                    rc.Width = rc.Width - IMAGE_WIDTH;
                }
                else if (col == 0 && CheckBoxes == false && lvi.ImageIndex != -1 && lvi.ImageList != null)
                {
                    ImageList imageList = lvi.ImageList;
                    Image     image     = imageList.Images[lvi.ImageIndex];
                    if (image != null)
                    {
                        g.DrawImage(imageList.Images[lvi.ImageIndex], rc.Left + gap, rc.Top);
                        pos.X   += IMAGE_WIDTH;
                        rc.Width = rc.Width - IMAGE_WIDTH;
                    }
                }

                Rectangle drawRect = new Rectangle(pos.X + 2, pos.Y, rc.Width - gap - ellipsingTringgering, rc.Height);
                TextUtil.DrawText(g, text, Font, drawRect);
            }

            // Put structure back in the message
            Marshal.StructureToPtr(lvcd, m.LParam, true);
            m.Result = (IntPtr)CustomDrawReturnFlags.CDRF_SKIPDEFAULT;
        }
コード例 #5
0
        private bool HandleCustomDraw(ref Message msg)
        {
            // TODO this needs to be cleaned
            if (QTUtility.CheckConfig(Settings.AlternateRowColors) && (ShellBrowser.ViewMode == FVM.DETAILS))
            {
                NMLVCUSTOMDRAW structure  = (NMLVCUSTOMDRAW)Marshal.PtrToStructure(msg.LParam, typeof(NMLVCUSTOMDRAW));
                int            dwItemSpec = 0;
                if ((ulong)structure.nmcd.dwItemSpec < Int32.MaxValue)
                {
                    dwItemSpec = (int)structure.nmcd.dwItemSpec;
                }
                switch (structure.nmcd.dwDrawStage)
                {
                case CDDS.SUBITEM | CDDS.ITEMPREPAINT:
                    iListViewItemState = (int)PInvoke.SendMessage(
                        ListViewController.Handle, LVM.GETITEMSTATE, structure.nmcd.dwItemSpec,
                        (IntPtr)(LVIS.FOCUSED | LVIS.SELECTED | LVIS.DROPHILITED));

                    if (!QTUtility.IsXP)
                    {
                        int num4 = lstColumnFMT[structure.iSubItem];
                        structure.clrTextBk = QTUtility.ShellViewRowCOLORREF_Background;
                        structure.clrText   = QTUtility.ShellViewRowCOLORREF_Text;
                        Marshal.StructureToPtr(structure, msg.LParam, false);
                        bool drawingHotItem = (dwItemSpec == GetHotItem());
                        bool fullRowSel     = !QTUtility.CheckConfig(Settings.ToggleFullRowSelect);

                        msg.Result = (IntPtr)(CDRF.NEWFONT);
                        if (structure.iSubItem == 0 && !drawingHotItem)
                        {
                            if (iListViewItemState == 0 && (num4 & 0x600) != 0)
                            {
                                msg.Result = (IntPtr)(CDRF.NEWFONT | CDRF.NOTIFYPOSTPAINT);
                            }
                            else if (iListViewItemState == LVIS.FOCUSED && !fullRowSel)
                            {
                                msg.Result = (IntPtr)(CDRF.NEWFONT | CDRF.NOTIFYPOSTPAINT);
                            }
                        }

                        if (structure.iSubItem > 0 && (!fullRowSel || !drawingHotItem))
                        {
                            if (!fullRowSel || (iListViewItemState & (LVIS.SELECTED | LVIS.DROPHILITED)) == 0)
                            {
                                using (Graphics graphics = Graphics.FromHdc(structure.nmcd.hdc)) {
                                    if (QTUtility.sbAlternate == null)
                                    {
                                        QTUtility.sbAlternate = new SolidBrush(QTUtility2.MakeColor(QTUtility.ShellViewRowCOLORREF_Background));
                                    }
                                    graphics.FillRectangle(QTUtility.sbAlternate, structure.nmcd.rc.ToRectangle());
                                }
                            }
                        }
                    }
                    else
                    {
                        msg.Result = (IntPtr)(CDRF.NOTIFYPOSTPAINT);
                    }
                    return(true);

                case CDDS.SUBITEM | CDDS.ITEMPOSTPAINT: {
                    RECT rc = structure.nmcd.rc;
                    if (QTUtility.IsXP)
                    {
                        rc = PInvoke.ListView_GetItemRect(ListViewController.Handle, dwItemSpec, structure.iSubItem, 2);
                    }
                    else
                    {
                        rc.left += 0x10;
                    }
                    bool flag3 = false;
                    bool flag4 = false;
                    bool flag5 = QTUtility.CheckConfig(Settings.DetailsGridLines);
                    bool flag6 = QTUtility.CheckConfig(Settings.ToggleFullRowSelect) ^ !QTUtility.IsXP;
                    bool flag7 = false;
                    if (QTUtility.IsXP && QTUtility.fSingleClick)
                    {
                        flag7 = (dwItemSpec == GetHotItem());
                    }
                    LVITEM lvitem = new LVITEM();
                    lvitem.pszText    = Marshal.AllocHGlobal(520);
                    lvitem.cchTextMax = 260;
                    lvitem.iSubItem   = structure.iSubItem;
                    lvitem.iItem      = dwItemSpec;
                    lvitem.mask       = 1;
                    IntPtr ptr3 = Marshal.AllocHGlobal(Marshal.SizeOf(lvitem));
                    Marshal.StructureToPtr(lvitem, ptr3, false);
                    PInvoke.SendMessage(ListViewController.Handle, LVM.GETITEM, IntPtr.Zero, ptr3);
                    if (QTUtility.sbAlternate == null)
                    {
                        QTUtility.sbAlternate = new SolidBrush(QTUtility2.MakeColor(QTUtility.ShellViewRowCOLORREF_Background));
                    }
                    using (Graphics graphics2 = Graphics.FromHdc(structure.nmcd.hdc)) {
                        Rectangle rect = rc.ToRectangle();
                        if (flag5)
                        {
                            rect = new Rectangle(rc.left + 1, rc.top, rc.Width - 1, rc.Height - 1);
                        }
                        graphics2.FillRectangle(QTUtility.sbAlternate, rect);
                        if (QTUtility.IsXP && ((structure.iSubItem == 0) || flag6))
                        {
                            flag4 = (iListViewItemState & 8) == 8;
                            if ((iListViewItemState != 0) && (((iListViewItemState == 1) && fListViewHasFocus) || (iListViewItemState != 1)))
                            {
                                int width;
                                if (flag6)
                                {
                                    width = rc.Width;
                                }
                                else
                                {
                                    width = 8 + ((int)PInvoke.SendMessage(ListViewController.Handle, LVM.GETSTRINGWIDTH, IntPtr.Zero, lvitem.pszText));
                                    if (width > rc.Width)
                                    {
                                        width = rc.Width;
                                    }
                                }
                                Rectangle rectangle2 = new Rectangle(rc.left, rc.top, width, flag5 ? (rc.Height - 1) : rc.Height);
                                if (((iListViewItemState & 2) == 2) || flag4)
                                {
                                    if (flag4)
                                    {
                                        graphics2.FillRectangle(SystemBrushes.Highlight, rectangle2);
                                    }
                                    else if (QTUtility.fSingleClick && flag7)
                                    {
                                        graphics2.FillRectangle(fListViewHasFocus ? SystemBrushes.HotTrack : SystemBrushes.Control, rectangle2);
                                    }
                                    else
                                    {
                                        graphics2.FillRectangle(fListViewHasFocus ? SystemBrushes.Highlight : SystemBrushes.Control, rectangle2);
                                    }
                                    flag3 = true;
                                }
                                if ((fListViewHasFocus && ((iListViewItemState & 1) == 1)) && !flag6)
                                {
                                    ControlPaint.DrawFocusRectangle(graphics2, rectangle2);
                                }
                            }
                        }
                        if (!QTUtility.IsXP && ((iListViewItemState & 1) == 1))
                        {
                            int num6 = rc.Width;
                            if (!flag6)
                            {
                                num6 = 4 + ((int)PInvoke.SendMessage(ListViewController.Handle, LVM.GETSTRINGWIDTH, IntPtr.Zero, lvitem.pszText));
                                if (num6 > rc.Width)
                                {
                                    num6 = rc.Width;
                                }
                            }
                            Rectangle rectangle = new Rectangle(rc.left + 1, rc.top + 1, num6, flag5 ? (rc.Height - 2) : (rc.Height - 1));
                            ControlPaint.DrawFocusRectangle(graphics2, rectangle);
                        }
                    }
                    IntPtr zero    = IntPtr.Zero;
                    IntPtr hgdiobj = IntPtr.Zero;
                    if (QTUtility.IsXP && QTUtility.fSingleClick)
                    {
                        LOGFONT logfont;
                        zero = PInvoke.GetCurrentObject(structure.nmcd.hdc, 6);
                        PInvoke.GetObject(zero, Marshal.SizeOf(typeof(LOGFONT)), out logfont);
                        if ((structure.iSubItem == 0) || flag6)
                        {
                            logfont.lfUnderline = ((QTUtility.iIconUnderLineVal == 3) || flag7) ? ((byte)1) : ((byte)0);
                        }
                        else
                        {
                            logfont.lfUnderline = 0;
                        }
                        hgdiobj = PInvoke.CreateFontIndirect(ref logfont);
                        PInvoke.SelectObject(structure.nmcd.hdc, hgdiobj);
                    }
                    PInvoke.SetBkMode(structure.nmcd.hdc, 1);
                    int dwDTFormat = 0x8824;
                    if (QTUtility.IsRTL ? ((lstColumnFMT[structure.iSubItem] & 1) == 0) : ((lstColumnFMT[structure.iSubItem] & 1) == 1))
                    {
                        if (QTUtility.IsRTL)
                        {
                            dwDTFormat &= -3;
                        }
                        else
                        {
                            dwDTFormat |= 2;
                        }
                        rc.right -= 6;
                    }
                    else if (structure.iSubItem == 0)
                    {
                        rc.left  += 2;
                        rc.right -= 2;
                    }
                    else
                    {
                        rc.left += 6;
                    }
                    if (flag3)
                    {
                        PInvoke.SetTextColor(structure.nmcd.hdc, QTUtility2.MakeCOLORREF((fListViewHasFocus || flag4) ? SystemColors.HighlightText : SystemColors.WindowText));
                    }
                    else
                    {
                        PInvoke.SetTextColor(structure.nmcd.hdc, QTUtility.ShellViewRowCOLORREF_Text);
                    }
                    PInvoke.DrawTextExW(structure.nmcd.hdc, lvitem.pszText, -1, ref rc, dwDTFormat, IntPtr.Zero);
                    Marshal.FreeHGlobal(lvitem.pszText);
                    Marshal.FreeHGlobal(ptr3);
                    msg.Result = IntPtr.Zero;
                    if (zero != IntPtr.Zero)
                    {
                        PInvoke.SelectObject(structure.nmcd.hdc, zero);
                    }
                    if (hgdiobj != IntPtr.Zero)
                    {
                        PInvoke.DeleteObject(hgdiobj);
                    }
                    return(true);
                }

                case CDDS.ITEMPREPAINT:
                    if ((dwItemSpec % 2) == 0)
                    {
                        msg.Result = (IntPtr)0x20;
                        return(true);
                    }
                    msg.Result = IntPtr.Zero;
                    return(false);

                case CDDS.PREPAINT: {
                    HDITEM hditem = new HDITEM();
                    hditem.mask = 4;
                    IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(hditem));
                    Marshal.StructureToPtr(hditem, ptr, false);
                    IntPtr hWnd = PInvoke.SendMessage(ListViewController.Handle, LVM.GETHEADER, IntPtr.Zero, IntPtr.Zero);
                    int    num2 = (int)PInvoke.SendMessage(hWnd, 0x1200, IntPtr.Zero, IntPtr.Zero);
                    if (lstColumnFMT == null)
                    {
                        lstColumnFMT = new List <int>();
                    }
                    else
                    {
                        lstColumnFMT.Clear();
                    }
                    for (int i = 0; i < num2; i++)
                    {
                        PInvoke.SendMessage(hWnd, 0x120b, (IntPtr)i, ptr);
                        hditem = (HDITEM)Marshal.PtrToStructure(ptr, typeof(HDITEM));
                        lstColumnFMT.Add(hditem.fmt);
                    }
                    Marshal.FreeHGlobal(ptr);
                    fListViewHasFocus = ListViewController.Handle == PInvoke.GetFocus();
                    msg.Result        = (IntPtr)0x20;
                    return(true);
                }
                }
            }
            return(false);
        }
コード例 #6
0
        CustomDrawReturnFlags OnCustomDraw(NMLVCUSTOMDRAW lvcd)
        {
            DrawstageFlags df = (DrawstageFlags)lvcd.nmcd.dwDrawStage;

            if (df == DrawstageFlags.CDDS_PREPAINT)
            {
                return(CustomDrawReturnFlags.CDRF_NOTIFYITEMDRAW);
            }

            if (df == DrawstageFlags.CDDS_ITEMPREPAINT)
            {
                return(CustomDrawReturnFlags.CDRF_NOTIFYSUBITEMDRAW);
            }

            if (df == (DrawstageFlags.CDDS_SUBITEM | DrawstageFlags.CDDS_ITEMPREPAINT))
            {
                return(CustomDrawReturnFlags.CDRF_NOTIFYPOSTPAINT);
            }

            if (df == (DrawstageFlags.CDDS_SUBITEM | DrawstageFlags.CDDS_ITEMPOSTPAINT))
            {
                if (lvcd.iSubItem == 3) // Done
                {
                    ListViewItem lvi = Items[lvcd.nmcd.dwItemSpec];

                    if (lvi.SubItems[3].Text != "" && lvi.ListView.Columns[3].Width != 0)
                    {
                        float     value  = float.Parse(lvi.SubItems[3].Text.Split(' ')[0]);
                        Rectangle bounds = lvi.SubItems[3].Bounds;

                        if (value < 0)
                        {
                            value = 0;
                        }
                        else if (value > 100)
                        {
                            value = 100;
                        }

                        bounds.Inflate(-2, -2);

                        using (Graphics g = Graphics.FromHdc(lvcd.nmcd.hdc))
                        {
                            RectangleF   rcItem  = new RectangleF(bounds.X + 1, bounds.Y + 1, bounds.Width - 2, bounds.Height - 2);
                            RectangleF   rcLeft  = new RectangleF(bounds.X + 1, bounds.Y + 1, (bounds.Width - 2) * value / 100, bounds.Height - 2);
                            RectangleF   rcRight = new RectangleF(bounds.X + 1 + (bounds.Width - 2) * value / 100, bounds.Y + 1, bounds.Width - 2 - ((bounds.Width - 2) * value / 100), bounds.Height - 2);
                            StringFormat sf      = new StringFormat();

                            g.FillRectangle(new SolidBrush(Color.FromKnownColor(KnownColor.Highlight)), rcLeft);
                            g.FillRectangle(new SolidBrush(Color.FromKnownColor(KnownColor.Window)), rcRight);

                            sf.Alignment     = StringAlignment.Center;
                            sf.LineAlignment = StringAlignment.Center;
                            sf.FormatFlags   = StringFormatFlags.NoWrap;

                            g.SetClip(rcLeft);
                            g.DrawString(string.Format("{0:F} %", value), Util.GetInterfaceFont(), new SolidBrush(Color.FromKnownColor(KnownColor.HighlightText)), rcItem, sf);

                            g.SetClip(rcRight);
                            g.DrawString(string.Format("{0:F} %", value), Util.GetInterfaceFont(), new SolidBrush(Color.FromKnownColor(KnownColor.WindowText)), rcItem, sf);

                            g.SetClip(bounds);
                            g.DrawRectangle(new Pen(Color.FromKnownColor(KnownColor.Control)), bounds.X, bounds.Y, bounds.Width - 1, bounds.Height - 1);
                        }
                    }
                }

                return(CustomDrawReturnFlags.CDRF_DODEFAULT);
            }

            return(CustomDrawReturnFlags.CDRF_DODEFAULT);
        }