From 5e3ad285ca6077eeb31d17a4ddb8a8a562c9db8b Mon Sep 17 00:00:00 2001
From: Sup Yut Sum <ch3cooli@gmail.com>
Date: Sun, 13 Jan 2013 09:22:17 +0800
Subject: [PATCH] Git Property Page: get latest change in new thread

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
---
 src/TortoiseShell/GITPropertyPage.cpp | 80 +++++++++++++++++++++++++++++------
 src/TortoiseShell/GITPropertyPage.h   |  4 ++
 2 files changed, 71 insertions(+), 13 deletions(-)

diff --git a/src/TortoiseShell/GITPropertyPage.cpp b/src/TortoiseShell/GITPropertyPage.cpp
index 36e87bdb9..5963bceef 100644
--- a/src/TortoiseShell/GITPropertyPage.cpp
+++ b/src/TortoiseShell/GITPropertyPage.cpp
@@ -70,6 +70,7 @@ UINT CALLBACK PropPageCallbackProc ( HWND /*hwnd*/, UINT uMsg, LPPROPSHEETPAGE p
 }
 
 // *********************** CGitPropertyPage *************************
+const UINT CGitPropertyPage::m_UpdateLastCommit = RegisterWindowMessage(_T("TORTOISEGIT_PROP_UPDATELASTCOMMIT"));
 
 CGitPropertyPage::CGitPropertyPage(const std::vector<stdstring> &newFilenames)
 	:filenames(newFilenames)
@@ -219,6 +220,13 @@ BOOL CGitPropertyPage::PageProc (HWND /*hwnd*/, UINT uMessage, WPARAM wParam, LP
 		PageProcOnCommand(wParam);
 		break;
 	} // switch (uMessage)
+
+	if (uMessage == m_UpdateLastCommit)
+	{
+		DisplayCommit((git_commit *)lParam, IDC_LAST_HASH, IDC_LAST_SUBJECT, IDC_LAST_AUTHOR, IDC_LAST_DATE);
+		return TRUE;
+	}
+
 	return FALSE;
 }
 void CGitPropertyPage::PageProcOnCommand(WPARAM wParam)
@@ -454,6 +462,15 @@ static git_commit * FindFileRecentCommit(git_repository *repository, CString pat
 
 void CGitPropertyPage::DisplayCommit(git_commit * commit, UINT hashLabel, UINT subjectLabel, UINT authorLabel, UINT dateLabel)
 {
+	if (commit == NULL)
+	{
+		SetDlgItemText(m_hwnd, hashLabel, _T(""));
+		SetDlgItemText(m_hwnd, subjectLabel, _T(""));
+		SetDlgItemText(m_hwnd, authorLabel, _T(""));
+		SetDlgItemText(m_hwnd, dateLabel, _T(""));
+		return;
+	}
+
 	int encode = CP_UTF8;
 	const char * encodingString = git_commit_message_encoding(commit);
 	if (encodingString != NULL)
@@ -482,6 +499,50 @@ void CGitPropertyPage::DisplayCommit(git_commit * commit, UINT hashLabel, UINT s
 	SetDlgItemText(m_hwnd, dateLabel, authorDate);
 }
 
+int CGitPropertyPage::LogThread()
+{
+	CTGitPath path(filenames.front().c_str());
+
+	CString ProjectTopDir;
+	if(!path.HasAdminDir(&ProjectTopDir))
+		return 0;
+
+	CStringA gitdir = CUnicodeUtils::GetMulti(ProjectTopDir, CP_UTF8);
+	git_repository *repository = NULL;
+
+	int ret = git_repository_open(&repository, gitdir.GetBuffer());
+	gitdir.ReleaseBuffer();
+	if (ret)
+		return 0;
+
+	int stripLength = ProjectTopDir.GetLength();
+	if (ProjectTopDir[stripLength - 1] != _T('\\'))
+		stripLength++;
+
+	CTGitPath relatepath;
+	relatepath.SetFromWin(path.GetWinPathString().Mid(stripLength));
+
+	git_commit *commit = FindFileRecentCommit(repository, relatepath.GetGitPathString());
+	if (commit != NULL)
+	{
+		SendMessage(m_hwnd, m_UpdateLastCommit, NULL, (LPARAM)commit);
+		git_commit_free(commit);
+	}
+	else
+	{
+		SendMessage(m_hwnd, m_UpdateLastCommit, NULL, NULL);
+	}
+
+	git_repository_free(repository);
+
+	return 0;
+}
+
+void CGitPropertyPage::LogThreadEntry(void *param)
+{
+	((CGitPropertyPage*)param)->LogThread();
+}
+
 void CGitPropertyPage::InitWorkfileView()
 {
 	if (filenames.empty())
@@ -561,19 +622,6 @@ void CGitPropertyPage::InitWorkfileView()
 		if (ProjectTopDir[stripLength - 1] != _T('\\'))
 			stripLength++;
 
-		if (filenames.size() == 1)
-		{
-			CTGitPath relatepath;
-			relatepath.SetFromWin(path.GetWinPathString().Mid(stripLength));
-
-			git_commit *commit = FindFileRecentCommit(repository, relatepath.GetGitPathString());
-			if (commit != NULL)
-			{
-				DisplayCommit(commit, IDC_LAST_HASH, IDC_LAST_SUBJECT, IDC_LAST_AUTHOR, IDC_LAST_DATE);
-				git_commit_free(commit);
-			}
-		}
-
 		bool allAreFiles = true;
 		for (auto it = filenames.cbegin(); it < filenames.cend(); ++it)
 		{
@@ -658,6 +706,12 @@ void CGitPropertyPage::InitWorkfileView()
 		}
 	}
 	git_repository_free(repository);
+
+	if (filenames.size() == 1)
+	{
+		SetDlgItemText(m_hwnd, IDC_LAST_SUBJECT, _T("Loading ..."));
+		_beginthread(LogThreadEntry, 0, this);
+	}
 }
 
 
diff --git a/src/TortoiseShell/GITPropertyPage.h b/src/TortoiseShell/GITPropertyPage.h
index 3c13eabc8..acdf4e6f4 100644
--- a/src/TortoiseShell/GITPropertyPage.h
+++ b/src/TortoiseShell/GITPropertyPage.h
@@ -74,12 +74,16 @@ public:
 	 */
 	virtual BOOL PageProc(HWND hwnd, UINT uMessage, WPARAM wParam, LPARAM lParam);
 
+	const static UINT m_UpdateLastCommit;
+
 protected:
 	/**
 	 * Initializes the property page.
 	 */
 	virtual void InitWorkfileView();
 	void DisplayCommit(git_commit * commit, UINT hashLabel, UINT subjectLabel, UINT authorLabel, UINT dateLabel);
+	static void LogThreadEntry(void *param);
+	int LogThread();
 	void Time64ToTimeString(__time64_t time, TCHAR * buf, size_t buflen);
 	void PageProcOnCommand(WPARAM wParam);
 	void RunCommand(const tstring& command);
-- 
2.11.4.GIT