OpenTween/DetailsListView.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2007-2011 kiri_feather (@kiri_feather) <kiri.feather@gmail.com>
   3 //           (c) 2008-2011 Moz (@syo68k)
   4 //           (c) 2008-2011 takeshik (@takeshik) <http://www.takeshik.org/>
   5 //           (c) 2010-2011 anis774 (@anis774) <http://d.hatena.ne.jp/anis774/>
   6 //           (c) 2010-2011 fantasticswallow (@f_swallow) <http://twitter.com/f_swallow>
   7 //           (c) 2011      kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   8 // All rights reserved.
   9 //
  10 // This file is part of OpenTween.
  11 //
  12 // This program is free software; you can redistribute it and/or modify it
  13 // under the terms of the GNU General Public License as published by the Free
  14 // Software Foundation; either version 3 of the License, or (at your option)
  15 // any later version.
  16 //
  17 // This program is distributed in the hope that it will be useful, but
  18 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  19 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  20 // for more details.
  21 //
  22 // You should have received a copy of the GNU General Public License along
  23 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  24 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  25 // Boston, MA 02110-1301, USA.
  26
  27 using System;
  28 using System.Collections.Generic;
  29 using System.Linq;
  30 using System.Text;
  31 using System.Windows.Forms;
  32 using System.Drawing;
  33 using System.ComponentModel;
  34 using System.Runtime.InteropServices;
  35 using System.Diagnostics;
  36
  37 namespace OpenTween.OpenTweenCustomControl
  38 {
  39     public sealed class DetailsListView : ListView
  40     {
  41         private Rectangle changeBounds;
  42
  43         public ContextMenuStrip ColumnHeaderContextMenuStrip { get; set; }
  44
  45         public event EventHandler VScrolled;
  46         public event EventHandler HScrolled;
  47
  48         public DetailsListView()
  49         {
  50             View = View.Details;
  51             FullRowSelect = true;
  52             HideSelection = false;
  53             DoubleBuffered = true;
  54         }
  55
  56         //[System.ComponentModel.DefaultValue(0),
  57         // System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
  58         //public new int VirtualListSize
  59         //{
  60         //    get { return base.VirtualListSize; }
  61         //    set
  62         //    {
  63         //        if (value == base.VirtualListSize) return;
  64         //        if (base.VirtualListSize > 0 && value > 0)
  65         //        {
  66         //            int topIndex = 0;
  67         //            if (!this.IsDisposed)
  68         //            {
  69         //                if (base.VirtualListSize < value)
  70         //                {
  71         //                    if (this.TopItem == null)
  72         //                    {
  73         //                        topIndex = 0;
  74         //                    }
  75         //                    else
  76         //                    {
  77         //                        topIndex = this.TopItem.Index;
  78         //                    }
  79         //                    topIndex = Math.Min(topIndex, Math.Abs(value - 1));
  80         //                    this.TopItem = this.Items[topIndex];
  81         //                }
  82         //                else
  83         //                {
  84         //                    if (this.TopItem == null)
  85         //                    {
  86         //                        topIndex = 0;
  87         //                    }
  88         //                    else
  89         //                    {
  90         //
  91         //                    }
  92         //                    this.TopItem = this.Items[0];
  93         //                }
  94         //            }
  95         //        }
  96         //        base.VirtualListSize = value;
  97         //    }
  98         //}
  99
 100         /// <summary>
 101         /// 複数選択時の起点になるアイテム (selection mark) の位置を取得・設定する
 102         /// </summary>
 103         /// <remarks>
 104         /// Items[idx].Selected の設定では mark が設定されるが、SelectedIndices.Add(idx) では設定されないため、
 105         /// 主に後者と合わせて使用する
 106         /// </remarks>
 107         public int SelectionMark
 108         {
 109             get => NativeMethods.ListView_GetSelectionMark(this.Handle);
 110             set => NativeMethods.ListView_SetSelectionMark(this.Handle, value);
 111         }
 112
 113         public void SelectItems(int[] indices)
 114         {
 115             foreach (var index in indices)
 116             {
 117                 if (index < 0 || index >= this.VirtualListSize)
 118                     throw new ArgumentOutOfRangeException(nameof(indices));
 119
 120                 NativeMethods.SelectItem(this, index);
 121             }
 122
 123             this.OnSelectedIndexChanged(EventArgs.Empty);
 124         }
 125
 126         public void SelectAllItems()
 127         {
 128             NativeMethods.SelectAllItems(this);
 129
 130             this.OnSelectedIndexChanged(EventArgs.Empty);
 131         }
 132
 133         public void ChangeItemBackColor(int index, Color backColor)
 134         {
 135             ChangeSubItemBackColor(index, 0, backColor);
 136         }
 137
 138         public void ChangeItemForeColor(int index, Color foreColor)
 139         {
 140             ChangeSubItemForeColor(index, 0, foreColor);
 141         }
 142
 143         public void ChangeItemFont(int index, Font fnt)
 144         {
 145             ChangeSubItemFont(index, 0, fnt);
 146         }
 147
 148         public void ChangeItemFontAndColor(int index, Color foreColor, Font fnt)
 149         {
 150             ChangeSubItemStyles(index, 0, BackColor, foreColor, fnt);
 151         }
 152
 153         public void ChangeItemStyles(int index, Color backColor, Color foreColor, Font fnt)
 154         {
 155             ChangeSubItemStyles(index, 0, backColor, foreColor, fnt);
 156         }
 157
 158         public void ChangeSubItemBackColor(int itemIndex, int subitemIndex, Color backColor)
 159         {
 160             var item = this.Items[itemIndex];
 161             item.SubItems[subitemIndex].BackColor = backColor;
 162             SetUpdateBounds(item, subitemIndex);
 163             this.Update();
 164             this.changeBounds = Rectangle.Empty;
 165         }
 166
 167         public void ChangeSubItemForeColor(int itemIndex, int subitemIndex, Color foreColor)
 168         {
 169             var item = this.Items[itemIndex];
 170             item.SubItems[subitemIndex].ForeColor = foreColor;
 171             SetUpdateBounds(item, subitemIndex);
 172             this.Update();
 173             this.changeBounds = Rectangle.Empty;
 174         }
 175
 176         public void ChangeSubItemFont(int itemIndex, int subitemIndex, Font fnt)
 177         {
 178             var item = this.Items[itemIndex];
 179             item.SubItems[subitemIndex].Font = fnt;
 180             SetUpdateBounds(item, subitemIndex);
 181             this.Update();
 182             this.changeBounds = Rectangle.Empty;
 183         }
 184
 185         public void ChangeSubItemFontAndColor(int itemIndex, int subitemIndex, Color foreColor, Font fnt)
 186         {
 187             var item = this.Items[itemIndex];
 188             var subItem = item.SubItems[subitemIndex];
 189             subItem.ForeColor = foreColor;
 190             subItem.Font = fnt;
 191             SetUpdateBounds(item, subitemIndex);
 192             this.Update();
 193             this.changeBounds = Rectangle.Empty;
 194         }
 195
 196         public void ChangeSubItemStyles(int itemIndex, int subitemIndex, Color backColor, Color foreColor, Font fnt)
 197         {
 198             var item = this.Items[itemIndex];
 199             var subItem = item.SubItems[subitemIndex];
 200             subItem.BackColor = backColor;
 201             subItem.ForeColor = foreColor;
 202             subItem.Font = fnt;
 203             SetUpdateBounds(item, subitemIndex);
 204             this.Update();
 205             this.changeBounds = Rectangle.Empty;
 206         }
 207
 208         private void SetUpdateBounds(ListViewItem item, int subItemIndex)
 209         {
 210             try
 211             {
 212                 if (subItemIndex > this.Columns.Count)
 213                 {
 214                     throw new ArgumentOutOfRangeException(nameof(subItemIndex));
 215                 }
 216                 if (item.UseItemStyleForSubItems)
 217                 {
 218                     this.changeBounds = item.Bounds;
 219                 }
 220                 else
 221                 {
 222                     this.changeBounds = this.GetSubItemBounds(item, subItemIndex);
 223                 }
 224             }
 225             catch (ArgumentException)
 226             {
 227                 //タイミングによりBoundsプロパティが取れない？
 228                 this.changeBounds = Rectangle.Empty;
 229             }
 230         }
 231
 232         private Rectangle GetSubItemBounds(ListViewItem item, int subitemIndex)
 233         {
 234             if (subitemIndex == 0 && this.Columns.Count > 0)
 235             {
 236                 Rectangle col0 = item.Bounds;
 237                 return new Rectangle(col0.Left, col0.Top, item.SubItems[1].Bounds.X + 1, col0.Height);
 238             }
 239             else
 240             {
 241                 return item.SubItems[subitemIndex].Bounds;
 242             }
 243         }
 244
 245         [DebuggerStepThrough]
 246         protected override void WndProc(ref Message m)
 247         {
 248             const int WM_ERASEBKGND = 0x14;
 249             const int WM_PAINT = 0xF;
 250             const int WM_MOUSEWHEEL = 0x20A;
 251             const int WM_MOUSEHWHEEL = 0x20E;
 252             const int WM_HSCROLL = 0x114;
 253             const int WM_VSCROLL = 0x115;
 254             const int WM_KEYDOWN = 0x100;
 255             const int WM_CONTEXTMENU = 0x7B;
 256             const int LVM_SETITEMCOUNT = 0x102F;
 257             const long LVSICF_NOSCROLL = 0x2;
 258             const long LVSICF_NOINVALIDATEALL = 0x1;
 259
 260             int hPos = -1;
 261             int vPos = -1;
 262
 263             switch (m.Msg)
 264             {
 265                 case WM_ERASEBKGND:
 266                     if (this.changeBounds != Rectangle.Empty)
 267                         m.Msg = 0;
 268                     break;
 269                 case WM_PAINT:
 270                     if (this.changeBounds != Rectangle.Empty)
 271                     {
 272                         NativeMethods.ValidateRect(this.Handle, IntPtr.Zero);
 273                         this.Invalidate(this.changeBounds);
 274                         this.changeBounds = Rectangle.Empty;
 275                     }
 276                     break;
 277                 case WM_HSCROLL:
 278                     HScrolled?.Invoke(this, EventArgs.Empty);
 279                     break;
 280                 case WM_VSCROLL:
 281                     VScrolled?.Invoke(this, EventArgs.Empty);
 282                     break;
 283                 case WM_MOUSEWHEEL:
 284                 case WM_MOUSEHWHEEL:
 285                 case WM_KEYDOWN:
 286                     vPos = NativeMethods.GetScrollPosition(this, NativeMethods.ScrollBarDirection.SB_VERT);
 287                     hPos = NativeMethods.GetScrollPosition(this, NativeMethods.ScrollBarDirection.SB_HORZ);
 288                     break;
 289                 case WM_CONTEXTMENU:
 290                     if (m.WParam != this.Handle)
 291                     {
 292                         //カラムヘッダメニューを表示
 293                         this.ColumnHeaderContextMenuStrip?.Show(new Point(m.LParam.ToInt32()));
 294                         return;
 295                     }
 296                     break;
 297                 case LVM_SETITEMCOUNT:
 298                     m.LParam = new IntPtr(LVSICF_NOSCROLL | LVSICF_NOINVALIDATEALL);
 299                     break;
 300             }
 301
 302             try
 303             {
 304                 base.WndProc(ref m);
 305             }
 306             catch (ArgumentOutOfRangeException)
 307             {
 308                 //Substringでlengthが0以下。アイコンサイズが影響？
 309             }
 310             catch (AccessViolationException)
 311             {
 312                 //WndProcのさらに先で発生する。
 313             }
 314             if (this.IsDisposed) return;
 315
 316             if (vPos != -1)
 317                 if (vPos != NativeMethods.GetScrollPosition(this, NativeMethods.ScrollBarDirection.SB_VERT))
 318                     VScrolled?.Invoke(this, EventArgs.Empty);
 319             if (hPos != -1)
 320                 if (hPos != NativeMethods.GetScrollPosition(this, NativeMethods.ScrollBarDirection.SB_HORZ))
 321                     HScrolled?.Invoke(this, EventArgs.Empty);
 322         }
 323    }
 324 }