From 004a6ef92cf435c7cceb346a1cbdec8bf2cabea4 Mon Sep 17 00:00:00 2001
From: ttp <ttp@users.sourceforge.jp>
Date: Mon, 23 Nov 2009 20:16:36 +0900
Subject: [PATCH] =?utf8?q?AppliStation-GUI,=E3=83=98=E3=83=83=E3=83=80?=
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---
 AppliStation/AppliStation.Util/NativeMethods.cs | 33 +++++++++++++++++++++++++
 AppliStation/PackageListViewForm.cs             | 18 ++++++++++++--
 2 files changed, 49 insertions(+), 2 deletions(-)

diff --git a/AppliStation/AppliStation.Util/NativeMethods.cs b/AppliStation/AppliStation.Util/NativeMethods.cs
index 5d46eb6..2bd8d06 100644
--- a/AppliStation/AppliStation.Util/NativeMethods.cs
+++ b/AppliStation/AppliStation.Util/NativeMethods.cs
@@ -214,6 +214,28 @@ namespace AppliStation.Util
 			}
 		}
 		
+		/// <summary>
+		/// ヘッダ部のサイズを返す
+		/// </summary>
+		/// <param name="listView">ListView</param>
+		/// <returns>ヘッダ部のクライアントサイズ</returns>
+		public static Size ColumnHeader_GetSize(ListView listView)
+		{
+			LRECT lrect;
+			
+			try {
+				// SendMessage(hWnd, LVM_GETHEADER, NULL, NULL);
+				IntPtr hWnd = SendMessage(listView.Handle, 0x101F, IntPtr.Zero, IntPtr.Zero);
+				GetClientRect(hWnd, out lrect);
+			} catch {
+				lrect.Left = lrect.Right = lrect.Top = lrect.Bottom = 0;
+			}
+			
+			Size size = new Size(lrect.Right - lrect.Left,
+			                lrect.Bottom - lrect.Top);
+			return size;
+		}
+		
 		#endregion
 		
 		#endregion
@@ -396,5 +418,16 @@ namespace AppliStation.Util
 		[DllImport("uxtheme.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
 		internal static extern int SetWindowTheme(IntPtr hWnd, String pszSubAppName, String pszSubIdList);
 		
+		[Serializable]
+		[StructLayout(LayoutKind.Sequential)]
+		private struct LRECT {
+			public int Left;
+			public int Top;
+			public int Right;
+			public int Bottom;
+		}
+		
+		[DllImport("user32.dll")]
+		private static extern bool GetClientRect(IntPtr hWnd, out LRECT lpRect);
 	}
 }
diff --git a/AppliStation/PackageListViewForm.cs b/AppliStation/PackageListViewForm.cs
index 4a5b13d..9433fab 100644
--- a/AppliStation/PackageListViewForm.cs
+++ b/AppliStation/PackageListViewForm.cs
@@ -521,8 +521,22 @@ namespace AppliStation
 			bool selectionIsOnlyOne = packageListView.SelectedItems.Count == 1;
 			bool hasSelection = packageListView.SelectedItems.Count > 0;
 			
-			// インストール先のフォルダの設定
-			updateLauncherMenuItem(installedDirectoryToolStripMenuItem);
+			updateSelectedPackages();
+			
+			if (packageListView.View == View.Details) {
+				// ヘッダ部がクリックされたとき、パッケージが選択されていないものとして扱って処理をする。
+				int headerHeight = AppliStation.Util.NativeMethods.ColumnHeader_GetSize(packageListView).Height;
+				if (packageListView.PointToClient(packageListContextMenuStrip.Location).Y < headerHeight) {
+					selectionIsOnlyOne = hasSelection = false;
+					installToolStripMenuItem.Visible = false;
+					uninstallToolStripMenuItem.Visible = false;
+				}
+			}
+			
+			if (selectionIsOnlyOne) {
+				// インストール先のフォルダの設定
+				updateLauncherMenuItem(installedDirectoryToolStripMenuItem);
+			}
 			
 			packageListContextMenuStripSeparator.Visible = selectionIsOnlyOne;
 			webResourceToolStripMenuItem.Visible = selectionIsOnlyOne;
-- 
2.11.0