Allow for file drag and drop

Examples/WhisperDesktop/TranscribeDlg.cpp

@@ -131,6 +131,25 @@ enum struct TranscribeDlg::eVisualState : uint8_t
 	Stopping = 2
 };
 
+LRESULT TranscribeDlg::OnDropFiles(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+	HDROP hDrop = (HDROP)wParam;
+
+	UINT fileCount = DragQueryFile(hDrop, 0xFFFFFFFF, NULL, 0);
+
+	if (fileCount > 0)
+	{
+		TCHAR filePath[MAX_PATH];
+		if (DragQueryFile(hDrop, 0, filePath, MAX_PATH) > 0)
+		{
+			sourceMediaPath.SetWindowText(filePath);
+		}
+	}
+
+	DragFinish(hDrop);
+
+	return 0;
+}
 // CBN_SELCHANGE notification for IDC_OUTPUT_FORMAT combobox
 LRESULT TranscribeDlg::onOutFormatChange( UINT, INT, HWND, BOOL& bHandled )
 {

Examples/WhisperDesktop/TranscribeDlg.h

@@ -23,7 +23,7 @@ class TranscribeDlg :
 	// Show this dialog modally, without parent.
 	HRESULT show();
 
-	BEGIN_MSG_MAP( LoadModelDlg )
+	BEGIN_MSG_MAP(TranscribeDlg)
 		MESSAGE_HANDLER( WM_INITDIALOG, OnInitDialog )
 		ON_BUTTON_CLICK( IDC_CONSOLE, cbConsole.click )
 		ON_BUTTON_CLICK( IDCANCEL, onClose )
@@ -36,10 +36,12 @@ class TranscribeDlg :
 		COMMAND_HANDLER( IDC_OUTPUT_FORMAT, CBN_SELCHANGE, onOutFormatChange )
 		COMMAND_HANDLER( IDC_PATH_MEDIA, EN_CHANGE, onInputChange )
 		MESSAGE_HANDLER( WM_CALLBACK_STATUS, onCallbackStatus )
+		MESSAGE_HANDLER(WM_DROPFILES, OnDropFiles)
+
 		MSG_WM_CLOSE( onWmClose )
 	END_MSG_MAP()
 
-	BEGIN_DDX_MAP( LoadModelDlg )
+	BEGIN_DDX_MAP(TranscribeDlg)
 		DDX_CONTROL_HANDLE( IDC_MODEL_DESC, modelDesc )
 		DDX_CONTROL_HANDLE( IDC_PATH_MEDIA, sourceMediaPath )
 		DDX_CONTROL_HANDLE( IDC_OUTPUT_FORMAT, transcribeOutFormat )
@@ -117,6 +119,7 @@ class TranscribeDlg :
 	void __stdcall poolCallback() noexcept override final;
 
 	LRESULT onCallbackStatus( UINT, WPARAM wParam, LPARAM, BOOL& bHandled );
+	LRESULT OnDropFiles(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
 
 	HRESULT transcribe();
 	void getThreadError();