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Generate events with specific wxFSW_WARNING_OVERFLOW type if applicable.

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This allows the program to distinguish between some other, unspecified,
warnings and this one which can and does happen whenever too many changes
occur too quickly but which has a clearly defined work around: the state kept
inside the program just needs to be refreshed by rescanning the directory anew.

See #12847.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74950 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2013-10-07 09:58:51 +00:00
parent 1fd9d44670
commit d32895c5d8
6 changed files with 130 additions and 28 deletions
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34
include/wx/fswatcher.h
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@@ -66,6 +66,13 @@ enum wxFSWPathType
wxFSWPath_Tree // Watch a directory and all its children recursively.
};
// Type of the warning for the events notifying about them.
enum wxFSWWarningType
{
wxFSW_WARNING_NONE,
wxFSW_WARNING_GENERAL,
wxFSW_WARNING_OVERFLOW
};
/**
* Event containing information about file system change.
@@ -77,24 +84,36 @@ wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_BASE, wxEVT_FSWATCHER,
class WXDLLIMPEXP_BASE wxFileSystemWatcherEvent: public wxEvent
{
public:
// Constructor for any kind of events, also used as default ctor.
wxFileSystemWatcherEvent(int changeType = 0, int watchid = wxID_ANY) :
wxEvent(watchid, wxEVT_FSWATCHER),
m_changeType(changeType)
m_changeType(changeType),
m_warningType(wxFSW_WARNING_NONE)
{
}
wxFileSystemWatcherEvent(int changeType, const wxString& errorMsg,
// Constructor for the error or warning events.
wxFileSystemWatcherEvent(int changeType,
wxFSWWarningType warningType,
const wxString& errorMsg = wxString(),
int watchid = wxID_ANY) :
wxEvent(watchid, wxEVT_FSWATCHER),
m_changeType(changeType), m_errorMsg(errorMsg)
m_changeType(changeType),
m_warningType(warningType),
m_errorMsg(errorMsg)
{
}
// Constructor for the normal events carrying information about the changes.
wxFileSystemWatcherEvent(int changeType,
const wxFileName& path, const wxFileName& newPath,
int watchid = wxID_ANY) :
wxEvent(watchid, wxEVT_FSWATCHER),
m_changeType(changeType), m_path(path), m_newPath(newPath)
m_changeType(changeType),
m_warningType(wxFSW_WARNING_NONE),
m_path(path),
m_newPath(newPath)
{
}
@@ -146,6 +165,7 @@ public:
evt->m_errorMsg = m_errorMsg.Clone();
evt->m_path = wxFileName(m_path.GetFullPath().Clone());
evt->m_newPath = wxFileName(m_newPath.GetFullPath().Clone());
evt->m_warningType = m_warningType;
return evt;
}
@@ -168,6 +188,11 @@ public:
return m_errorMsg;
}
wxFSWWarningType GetWarningType() const
{
return m_warningType;
}
/**
* Returns a wxString describing an event useful for debugging or testing
*/
@@ -175,6 +200,7 @@ public:
protected:
int m_changeType;
wxFSWWarningType m_warningType;
wxFileName m_path;
wxFileName m_newPath;
wxString m_errorMsg;