Пример #1
0
        private bool ParentControl_MessageCaptured(ref Message msg)
        {
            if (msg.Msg == (int)WindowsAPI.WndMsg.WM_NOTIFY)
            {
                WindowsAPI.NMHDR nmhdr = (WindowsAPI.NMHDR)Marshal.PtrToStructure(msg.LParam, typeof(WindowsAPI.NMHDR));
                switch (nmhdr.code)
                {
                case -2: /* NM_CLICK */
                    if (Control.ModifierKeys != Keys.None)
                    {
                        Point pt = Control.MousePosition;
                        WindowsAPI.ScreenToClient(nmhdr.hwndFrom, ref pt);
                        if (HandleClick(pt, Control.ModifierKeys, false))
                        {
                            fPreventSelChange = true;
                            WindowsAPI.PostMessage(nmhdr.hwndFrom, (int)WindowsAPI.WndMsg.WM_USER, IntPtr.Zero, IntPtr.Zero);
                            return(true);
                        }
                    }
                    break;

                case -450: /* TVN_SELECTIONCHANGING */
                    if (fPreventSelChange)
                    {
                        msg.Result = (IntPtr)1;
                        return(true);
                    }
                    break;
                }
            }
            return(false);
        }
Пример #2
0
        protected override void WndProc(ref Message m)
        {
            if (m.Msg == (int)WindowsAPI.WndMsg.WM_CONTEXTMENU)
            {
                this.Browser.IsRenameStarted = true;
                ShellObject[]    dirs = this.Browser.SelectedItems.ToArray();
                ContextShellMenu cm1  = new ContextShellMenu(this.Browser, this.Browser.SelectedItems.Count > 0 ? ShellViewGetItemObject.Selection : ShellViewGetItemObject.Background);
                cm1.ShowContextMenu(Cursor.Position);//new System.Drawing.Point(GetCursorPosition().X, GetCursorPosition().Y));
                return;
            }
            if (m.Msg == (int)WindowsAPI.WndMsg.WM_EXITMENULOOP)
            {
                //this.IsRenameStarted = false;
            }
            if (m.Msg == 78)
            {
                //var r = (WindowsAPI.NMHDR*)(IntPtr)lParam;
                WindowsAPI.NMHDR nmhdr = new WindowsAPI.NMHDR();
                nmhdr = (WindowsAPI.NMHDR)m.GetLParam(nmhdr.GetType());
                switch ((int)nmhdr.code)
                {
                case WNM.LVN_GETINFOTIP:
                    //TODO: Write here the code for the tooltip flyout
                    break;

                case WNM.NM_CUSTOMDRAW:
                    if (!this.Browser.NavigationLog.CurrentLocation.IsSearchFolder)
                    {
                        if (nmhdr.hwndFrom == this.SysListviewhandle)
                        {
                            var nmlvcd = WindowsAPI.PtrToStructure <WindowsAPI.NMLVCUSTOMDRAW>(m.LParam);
                            var index  = (int)nmlvcd.nmcd.dwItemSpec;
                            var hdc    = nmlvcd.nmcd.hdc;

                            Guid         IIFV2 = typeof(IShellItem).GUID;
                            IFolderView2 fv2   = this.Browser.GetFolderView2();
                            IShellItem   item  = null;
                            try
                            {
                                fv2.GetItem(index, ref IIFV2, out item);
                            }
                            catch (Exception)
                            {
                            }

                            object      ext     = null;
                            ShellObject itemobj = null;
                            if (item != null)
                            {
                                itemobj = ShellObjectFactory.Create(item);

                                ext = itemobj.Properties.System.FileExtension.Value;
                            }
                            Color?textColor = null;
                            if (this.Browser.LVItemsColorCodes != null && this.Browser.LVItemsColorCodes.Count > 0)
                            {
                                if (ext != null)
                                {
                                    var extItemsAvailable = this.Browser.LVItemsColorCodes.Where(c => c.ExtensionList.Contains(ext.ToString())).Count() > 0;
                                    if (extItemsAvailable)
                                    {
                                        var color = this.Browser.LVItemsColorCodes.Where(c => c.ExtensionList.ToLowerInvariant().Contains(ext.ToString().ToLowerInvariant())).Select(c => c.TextColor).SingleOrDefault();
                                        textColor = color;
                                    }
                                }
                            }

                            switch (nmlvcd.nmcd.dwDrawStage)
                            {
                            case CDDS_PREPAINT:
                                m.Result = (IntPtr)CDRF_NOTIFYITEMDRAW;
                                break;

                            case CDDS_ITEMPREPAINT:
                                // call default procedure in case system might do custom drawing and set special colors

                                if (textColor != null)
                                {
                                    nmlvcd.clrText = ColorTranslator.ToWin32(textColor.Value);
                                    Marshal.StructureToPtr(nmlvcd, m.LParam, false);

                                    m.Result = (IntPtr)(CDRF_NEWFONT | CDRF_NOTIFYPOSTPAINT | CDRF_NOTIFYSUBITEMDRAW);
                                }
                                else
                                {
                                    m.Result = (IntPtr)(CDRF_NOTIFYPOSTPAINT | CDRF_NOTIFYSUBITEMDRAW);
                                }
                                break;

                            case CDDS_ITEMPREPAINT | CDDS_SUBITEM:
                                // before a subitem drawn
                                if ((nmlvcd.nmcd.uItemState & (WindowsAPI.CDIS.HOT | WindowsAPI.CDIS.DROPHILITED)) != 0 || 0 != WindowsAPI.SendMessage(this.SysListviewhandle, WindowsAPI.LVM.GETITEMSTATE, index, (int)WindowsAPI.LVIS.LVIS_SELECTED))
                                {
                                    // hot, drophilited or selected.
                                    if (nmlvcd.iSubItem == 0)
                                    {
                                        // do default to draw hilite bar
                                        m.Result = (IntPtr)CDRF_DODEFAULT;
                                    }
                                    else
                                    {
                                        // remaining region of a hilted item need to be drawn
                                        m.Result = (IntPtr)CDRF_NOTIFYPOSTPAINT;
                                    }
                                }
                                else if ((nmlvcd.iSubItem == 0 && nmlvcd.nmcd.uItemState.HasFlag(WindowsAPI.CDIS.FOCUS)))
                                {
                                    // if the subitem in selected column, or first item with focus
                                    m.Result = (IntPtr)CDRF_NOTIFYPOSTPAINT;
                                }
                                else
                                {
                                    if (textColor != null)
                                    {
                                        nmlvcd.clrText = ColorTranslator.ToWin32(textColor.Value);
                                        Marshal.StructureToPtr(nmlvcd, m.LParam, false);
                                        m.Result = (IntPtr)CDRF_NEWFONT;
                                    }
                                    else
                                    {
                                        m.Result = (IntPtr)CDRF_DODEFAULT;
                                    }
                                }
                                break;

                            case CDDS_ITEMPOSTPAINT:
                                //base.WndProc(ref m);
                                if (nmlvcd.clrTextBk != 0)
                                {
                                    var iconBounds = new WindowsAPI.RECT();

                                    iconBounds.Left = 1;

                                    WindowsAPI.SendMessage(this.SysListviewhandle, WindowsAPI.LVM.GETITEMRECT, index, ref iconBounds);

                                    //using (Graphics graphics = Graphics.FromHdc(nmlvcd.nmcd.hdc))
                                    //{
                                    //  graphics.Clip = new Region(iconBounds.ToRectangle()); ;
                                    //  graphics.FillRectangle(Brushes.Black, new Rectangle(iconBounds.left, iconBounds.bottom - 20, 20, 20));
                                    //}
                                    if (itemobj.IsShared)
                                    {
                                        if (this.Browser.ContentOptions.ViewMode == ExplorerBrowserViewMode.Details || this.Browser.ContentOptions.ViewMode == ExplorerBrowserViewMode.List || this.Browser.ContentOptions.ViewMode == ExplorerBrowserViewMode.SmallIcon)
                                        {
                                            small.DrawOverlay(hdc, 1, new Point(iconBounds.Left, iconBounds.Bottom - 16));
                                        }
                                        else
                                        {
                                            if (this.Browser.ContentOptions.ThumbnailSize > 180)
                                            {
                                                jumbo.DrawOverlay(hdc, 1, new Point(iconBounds.Left, iconBounds.Bottom - this.Browser.ContentOptions.ThumbnailSize / 3), this.Browser.ContentOptions.ThumbnailSize / 3);
                                            }
                                            else
                                            if (this.Browser.ContentOptions.ThumbnailSize > 64)
                                            {
                                                extra.DrawOverlay(hdc, 1, new Point(iconBounds.Left + 10, iconBounds.Bottom - 50));
                                            }
                                            else
                                            {
                                                large.DrawOverlay(hdc, 1, new Point(iconBounds.Left + 10, iconBounds.Bottom - 32));
                                            }
                                        }
                                    }
                                }
                                m.Result = (IntPtr)CDRF_SKIPDEFAULT;
                                break;
                            }
                            if (itemobj != null)
                            {
                                itemobj.Dispose();
                            }
                            return;
                        }
                    }
                    break;
                }
                //base.WndProc(ref m);
            }
            //return;
            // Perform whatever custom processing you must have for this message
            //System.Diagnostics.Debug.WriteLine(m.ToString());
            // forward message to base WndProc
            base.WndProc(ref m);
        }