private void fvmw_ViewModeChanged(object sender, EventArgs e)
{
IShellView shellView = null;
try {
if (0 == shellBrowser.QueryActiveShellView(out shellView))
{
IFolderView folderView = shellView as IFolderView;
if (folderView != null)
{
FVM currentMode = 0;
folderView.GetCurrentViewMode(ref currentMode);
FVM mode = fvmw.ViewMode;
if (currentMode != mode)
{
folderView.SetCurrentViewMode(mode);
UpdateButtonImage(mode);
}
}
}
}
catch {
}
finally {
if (shellView != null)
{
Marshal.ReleaseComObject(shellView);
}
}
}
private FVM GetCurrentViewMode()
{
IShellView shellView = null;
try {
if (0 == shellBrowser.QueryActiveShellView(out shellView))
{
IFolderView folderView = shellView as IFolderView;
if (folderView != null)
{
FVM currentMode = 0;
folderView.GetCurrentViewMode(ref currentMode);
return(currentMode);
}
}
}
catch {
}
finally {
if (shellView != null)
{
Marshal.ReleaseComObject(shellView);
}
}
return(FVM.ICON);
}
/// <summary>
/// ¸üа´Å¥Í¼Æ¬
/// ÐÞ¸´Æ¤·ôÅäÖÿÕͼƬ±¨´í
/// </summary>
/// <param name="mode"></param>
private void UpdateButtonImage(FVM mode)
{
switch (mode)
{
case FVM.THUMBSTRIP:
if (null != Resource.imgFilm)
{
button.Image = Resource.imgFilm;
}
break;
case FVM.THUMBNAIL:
if (null != Resource.imgThumb)
{
button.Image = Resource.imgThumb;
}
break;
case FVM.TILE:
if (null != Resource.imgTiles)
{
button.Image = Resource.imgTiles;
}
break;
case FVM.ICON:
if (null != Resource.imgIcon)
{
button.Image = Resource.imgIcon;
}
break;
case FVM.LIST:
if (null != Resource.imgList)
{
button.Image = Resource.imgList;
}
break;
case FVM.DETAILS:
if (null != Resource.imgDetails)
{
button.Image = Resource.imgDetails;
}
break;
}
}
public void ShowWindow(Point pnt, FVM fvmCurrentMode)
{
const uint SWP_NOACTIVATE = 0x0010;
const int SW_SHOWNOACTIVATE = 4;
trackBar1.Value = ModeToInt(fvmCurrentMode);
// set the slider of trackbar under mouse position
RECT rct = GetThumbRect();
Point pntCenter = new Point(rct.left + rct.Width / 2, rct.top + rct.Height / 2);
Rectangle rctScreen = Screen.FromPoint(pnt).Bounds;
pnt.X = pnt.X - pntCenter.X;
pnt.Y = pnt.Y - pntCenter.Y;
// ensure visible in the screen
if (pnt.X < rctScreen.Left)
{
pnt.X = rctScreen.Left;
}
else if (pnt.X + Width > rctScreen.Right)
{
pnt.X = rctScreen.Right - Width;
}
if (pnt.Y < rctScreen.Top)
{
pnt.Y = rctScreen.Top;
}
else if (pnt.Y + Height > rctScreen.Bottom)
{
pnt.Y = rctScreen.Bottom - Height;
}
PInvoke.SetWindowPos(Handle, (IntPtr)(-1), pnt.X, pnt.Y, Width, Height, SWP_NOACTIVATE);
PInvoke.ShowWindow(Handle, SW_SHOWNOACTIVATE);
trackBar1.Focus();
}
private static int ModeToInt(FVM fvm)
{
switch (fvm)
{
case FVM.THUMBSTRIP:
return(5);
case FVM.THUMBNAIL:
return(4);
case FVM.TILE:
return(3);
case FVM.LIST:
return(1);
case FVM.DETAILS:
return(0);
default:
return(2);
}
}
// 使用箭头键时候环绕选择文件夹
protected override bool HandleCursorLoop(Keys key)
{
int focusedIdx = ShellBrowser.GetFocusedIndex();
int itemCount = ShellBrowser.GetItemCount();
int selectMe = -1;
FVM viewMode = ShellBrowser.ViewMode;
switch (viewMode)
{
case FVM.CONTENT:
case FVM.DETAILS:
if (key == Keys.Up && focusedIdx == 0)
{
selectMe = itemCount - 1;
}
else if (key == Keys.Down && focusedIdx == itemCount - 1)
{
selectMe = 0;
}
break;
case FVM.ICON:
case FVM.SMALLICON:
case FVM.THUMBNAIL:
case FVM.TILE:
case FVM.LIST:
Keys KeyNextItem, KeyPrevItem, KeyNextPage, KeyPrevPage;
if (viewMode == FVM.LIST)
{
KeyNextItem = Keys.Down;
KeyPrevItem = Keys.Up;
KeyNextPage = Keys.Right;
KeyPrevPage = Keys.Left;
}
else
{
KeyNextItem = Keys.Right;
KeyPrevItem = Keys.Left;
KeyNextPage = Keys.Down;
KeyPrevPage = Keys.Up;
}
int pageCount = AutomationManager.DoQuery(factory => {
AutomationElement elem = factory.FromHandle(Handle);
if (elem == null)
{
return(-1);
}
return(viewMode == FVM.LIST ? elem.GetRowCount() : elem.GetColumnCount());
});
if (pageCount == -1)
{
return(false);
}
int page = focusedIdx % pageCount;
if (key == KeyNextItem && (page == pageCount - 1 || focusedIdx == itemCount - 1))
{
selectMe = focusedIdx - page;
}
else if (key == KeyPrevItem && page == 0)
{
selectMe = Math.Min(focusedIdx + pageCount - 1, itemCount - 1);
}
else if (key == KeyNextPage && focusedIdx + pageCount >= itemCount)
{
selectMe = page;
}
else if (key == KeyPrevPage && focusedIdx < pageCount)
{
int x = itemCount - focusedIdx - 1;
selectMe = x - x % pageCount + focusedIdx;
}
break;
}
if (selectMe >= 0)
{
ShellBrowser.SelectItem(selectMe);
return(true);
}
else
{
return(false);
}
}
// 使用箭头键时候环绕选择文件夹
protected override bool HandleCursorLoop(Keys key)
{
int focusedIdx = ShellBrowser.GetFocusedIndex();
int itemCount = ShellBrowser.GetItemCount();
int selectMe = -1;
FVM viewMode = ShellBrowser.ViewMode;
if (viewMode == FVM.TILE && QTUtility.IsXP)
{
viewMode = FVM.ICON;
}
switch (viewMode)
{
case FVM.CONTENT:
case FVM.DETAILS:
case FVM.TILE:
if (key == Keys.Up && focusedIdx == 0)
{
selectMe = itemCount - 1;
}
else if (key == Keys.Down && focusedIdx == itemCount - 1)
{
selectMe = 0;
}
break;
case FVM.ICON:
case FVM.SMALLICON:
case FVM.THUMBNAIL:
case FVM.LIST:
Keys KeyNextItem, KeyPrevItem, KeyNextPage, KeyPrevPage;
IntPtr MsgNextPage, MsgPrevPage;
if (viewMode == FVM.LIST)
{
KeyNextItem = Keys.Down;
KeyPrevItem = Keys.Up;
KeyNextPage = Keys.Right;
KeyPrevPage = Keys.Left;
MsgNextPage = (IntPtr)LVNI.TORIGHT;
MsgPrevPage = (IntPtr)LVNI.TOLEFT;
}
else
{
KeyNextItem = Keys.Right;
KeyPrevItem = Keys.Left;
KeyNextPage = Keys.Down;
KeyPrevPage = Keys.Up;
MsgNextPage = (IntPtr)LVNI.BELOW;
MsgPrevPage = (IntPtr)LVNI.ABOVE;
}
int nextPageIdx = (int)PInvoke.SendMessage(Handle, LVM.GETNEXTITEM, (IntPtr)focusedIdx, MsgNextPage);
if (nextPageIdx == -1 || nextPageIdx == focusedIdx)
{
nextPageIdx = (int)PInvoke.SendMessage(Handle, LVM.GETNEXTITEM, (IntPtr)focusedIdx, MsgPrevPage);
}
else if (QTUtility.IsXP)
{
int testIdx = (int)PInvoke.SendMessage(Handle, LVM.GETNEXTITEM, (IntPtr)nextPageIdx, MsgPrevPage);
if (testIdx != focusedIdx)
{
nextPageIdx = (int)PInvoke.SendMessage(Handle, LVM.GETNEXTITEM, (IntPtr)focusedIdx, MsgPrevPage);
}
}
if (nextPageIdx == -1 || nextPageIdx == focusedIdx)
{
if (key == KeyNextItem)
{
if (focusedIdx == itemCount - 1)
{
selectMe = 0;
}
else
{
RECT thisRect = GetItemRect(focusedIdx);
RECT nextRect = GetItemRect(focusedIdx + 1);
if (viewMode == FVM.LIST)
{
if (nextRect.top < thisRect.top)
{
selectMe = 0;
}
}
else if (nextRect.left < thisRect.left)
{
selectMe = 0;
}
}
}
else if (key == KeyPrevItem && focusedIdx == 0)
{
selectMe = itemCount - 1;
}
else if (key == KeyNextPage || key == KeyPrevPage)
{
if (QTUtility.IsXP)
{
return(true);
}
}
}
else
{
int pageCount = Math.Abs(focusedIdx - nextPageIdx);
int page = focusedIdx % pageCount;
if (key == KeyNextItem && (page == pageCount - 1 || focusedIdx == itemCount - 1))
{
selectMe = focusedIdx - page;
}
else if (key == KeyPrevItem && page == 0)
{
selectMe = Math.Min(focusedIdx + pageCount - 1, itemCount - 1);
}
else if (key == KeyNextPage && focusedIdx + pageCount >= itemCount)
{
selectMe = page;
}
else if (key == KeyPrevPage && focusedIdx < pageCount)
{
int x = itemCount - focusedIdx - 1;
selectMe = x - x % pageCount + focusedIdx;
}
}
break;
}
if (selectMe >= 0)
{
SetRedraw(false);
ShellBrowser.SelectItem(selectMe);
PInvoke.SendMessage(Handle, LVM.REDRAWITEMS, (IntPtr)focusedIdx, (IntPtr)focusedIdx);
SetRedraw(true);
return(true);
}
else
{
return(false);
}
}
private void labelButtons_Click(object sender, EventArgs e)
{
FVM mode = (FVM)((LabelEx)sender).Tag;
trackBar1.Value = ModeToInt(mode);
}
