Initial Import

1 files changed, 211 insertions, 0 deletions

diff --git a/win32/droplet/progressdlg.cpp b/win32/droplet/progressdlg.cpp
new file mode 100644
index 0000000..53f5e14
--- /dev/null
+++ b/win32/droplet/progressdlg.cpp
@@ -0,0 +1,211 @@
+/*
+ * AUTHOR
+ * N. Nielsen
+ *
+ * LICENSE
+ * This software is in the public domain.
+ *
+ * The software is provided "as is", without warranty of any kind,
+ * express or implied, including but not limited to the warranties
+ * of merchantability, fitness for a particular purpose, and
+ * noninfringement. In no event shall the author(s) be liable for any
+ * claim, damages, or other liability, whether in an action of
+ * contract, tort, or otherwise, arising from, out of, or in connection
+ * with the software or the use or other dealings in the software.
+ *
+ * SUPPORT
+ * Send bug reports to: <nielsen@memberwebs.com>
+ */
+
+// ProgressDlg.cpp : Implementation of CProgressDlg
+#include "stdafx.h"
+#include "ProgressDlg.h"
+
+// (Con|De)struction: -----------------------------------------------
+
+ProgressDlg::ProgressDlg()
+{
+	m_numFiles = 0;
+	m_numReplaces = 0;
+	m_flip = false;
+	m_hThread = NULL;
+	m_hEvent = NULL;
+	InitializeCriticalSection(&m_sec);
+}
+
+ProgressDlg::~ProgressDlg()
+{
+	DeleteCriticalSection(&m_sec);
+	if(m_hEvent)
+		CloseHandle(m_hEvent);
+}
+
+
+// threadProc: ---------------------------------------------------------
+//  Runs the dialog in another thread
+static DWORD WINAPI threadProc(void* pv)
+{
+	ProgressDlg* dlg = (ProgressDlg*)pv;
+	return dlg->DoModal(NULL, NULL);
+}
+
+
+// startDialog: --------------------------------------------------------
+//  Starts the dialog thread
+HRESULT ProgressDlg::startDialog()
+{
+	ASSERT(m_hThread == NULL);
+	HRESULT ret = S_OK;
+
+	if(m_hEvent)
+		CloseHandle(m_hEvent);
+
+	m_hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+
+	DWORD threadID;
+    m_hThread = CreateThread(NULL, 0, threadProc, this, CREATE_SUSPENDED, &threadID);
+	if(!m_hThread)
+		ret = HRESULT_FROM_WIN32(::GetLastError());
+	else
+		ResumeThread(m_hThread);
+
+	// Wait for dialog to start up.
+	::WaitForSingleObject(m_hEvent, 10000);
+	CloseHandle(m_hEvent);
+	m_hEvent = NULL;
+
+	return S_OK;
+}
+
+// stopDialog: ----------------------------------------------------------
+//  Stops the dialog thread and closes the dialog
+int ProgressDlg::stopDialog()
+{
+	int ret = 0;
+
+	if(m_hThread && m_hWnd)
+	{
+		::PostMessage(m_hWnd, WM_CLOSE, 0, 0);
+		WaitForSingleObject(m_hThread, INFINITE);
+	}
+	else if(m_hThread)
+	{
+		EnterCriticalSection(&m_sec);
+		TerminateThread(m_hThread, -1);
+	}
+
+	if(m_hThread)
+	{
+		DWORD code = 0;
+		GetExitCodeThread(m_hThread, &code);
+		CloseHandle(m_hThread);
+		m_hThread = NULL;
+		ret = (int)code;
+	}
+
+	return 0;
+}
+
+// isCancelled: -----------------------------------------------------------
+//  Checks if user pressed cancel button
+bool ProgressDlg::isCancelled()
+{
+	bool ret = false;
+
+	EnterCriticalSection(&m_sec);
+	ret = m_isCancelled;
+	LeaveCriticalSection(&m_sec);
+
+	return ret;
+}
+
+// updateControls: --------------------------------------------------------
+//  Update dialog status
+void ProgressDlg::updateControls()
+{
+	if(IsWindow())
+	{
+		string status;
+		status.format(_T("%d replaces in %d files"), m_numReplaces, m_numFiles);
+		SetDlgItemText(IDC_STATUS, status);
+	}
+}
+
+// onReplaced: -------------------------------------------------------------
+//  Called when a new replacement was made
+void ProgressDlg::onReplaced()
+{
+	m_flip = !m_flip;
+	m_numReplaces++;
+
+	// Do flicker thing
+	if(IsWindow())
+		::ShowWindow(GetDlgItem(IDC_FLIP), m_flip ? SW_SHOW : SW_HIDE);
+
+	updateControls();
+}
+
+// onNewFile: --------------------------------------------------------------
+//  Called when a new file starts processing
+void ProgressDlg::onNewFile(LPCTSTR fileName)
+{
+	if(IsWindow())
+		SetDlgItemText(IDC_FILENAME, fileName);
+
+	m_numFiles++;
+
+	updateControls();
+}
+
+// setTitle: ---------------------------------------------------------------
+//  Set the title. If no window then just store it
+void ProgressDlg::setTitle(const string& title)
+{
+	m_title = title;
+
+	if(IsWindow())
+		SetWindowText(title);
+}
+
+
+// onInitDialog: ------------------------------------------------------------
+//  Dialog initialization. We clear the event that says we've
+//  started up.
+LRESULT ProgressDlg::onInitDialog(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+	EnterCriticalSection(&m_sec);
+
+	if(!m_title.empty())
+		SetWindowText(m_title.c_str());
+
+	if(m_hEvent)
+		SetEvent(m_hEvent);
+
+	CenterWindow(NULL);
+
+	LeaveCriticalSection(&m_sec);
+
+	return 1;
+}
+
+// onClose: ------------------------------------------------------------------
+//  Dialog was closed
+LRESULT ProgressDlg::onClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+	// TODO: will this get called by NC area?
+	EndDialog(IDOK);
+	return 0;
+}
+
+// onCancel: ------------------------------------------------------------------
+//  User clicked cancel, set flag
+LRESULT ProgressDlg::onCancel(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
+{
+	EnterCriticalSection(&m_sec);
+	m_isCancelled = true;
+	LeaveCriticalSection(&m_sec);
+
+	EndDialog(IDCANCEL);
+	return 0;
+}
+