/// <summary>
/// handles the notifications send by npp and scintilla to the plugin
/// </summary>
public static void OnNppNotification(SCNotification nc)
{
try {
uint code = nc.nmhdr.code;
// Plugin waiting to be started...
if (!PluginIsReady)
{
switch (code)
{
case (uint)NppNotif.NPPN_TBMODIFICATION:
// this is the event that we want to respond to, it sets the toolbar icons
UnmanagedExports.NppFuncItems.RefreshItems();
Plug.DoNppNeedToolbarImages();
return;
case (uint)NppNotif.NPPN_READY:
// notify plugins that all the procedures of launch of notepad are done
ActionsAfterUpdateUi = new Queue <Action>();
Npp.UpdateCurrentSci(); // init current scintilla
UiThread.Init();
PluginIsReady = Plug.DoNppReady();
// call OnNppReady then OnPlugReady if it all went ok
if (PluginIsReady)
{
Plug.DoPlugStart();
OnNppNotification(new SCNotification((uint)NppNotif.NPPN_BUFFERACTIVATED)); // simulate buffer activated
// set hooks on mouse/keyboard
SetHooks();
}
return;
case (uint)NppNotif.NPPN_SHUTDOWN:
// uninstall hooks on mouse/keyboard
UninstallHooks();
UiThread.Close();
Plug.DoNppShutDown();
return;
case (uint)NppNotif.NPPN_CANCELSHUTDOWN:
PluginIsReady = true;
return;
}
}
else
{
// the plugin is fully loaded and ready to do stuff
if ((uint)SciNotif.SCN_NOTIF_BEGIN < code && code < (uint)SciNotif.SCN_NOTIF_END)
{
switch (code)
{
// --------------------------------------------------------
// Scintilla message
// --------------------------------------------------------
case (uint)SciNotif.SCN_CHARADDED:
// called each time the user add a char in the current scintilla
// It's actually better to use the SCI_MODIFIED instead, this notification
// is not always called when it should! (ex not called for /t)
return;
case (uint)SciNotif.SCN_UPDATEUI:
while (ActionsAfterUpdateUi.Any())
{
ActionsAfterUpdateUi.Dequeue()();
}
Plug.OnSciUpdateUi(nc);
return;
case (uint)SciNotif.SCN_MODIFIED:
// This notification is sent when the text or styling of the document changes or is about to change
// (note : this notif isn't sent when the user SWITCHES to tab file (already opened in another tab) !
// But it is sent when the user opens a NEW file)
bool deletedText = (nc.modificationType & (int)SciModificationMod.SC_MOD_DELETETEXT) != 0;
bool insertedText = (nc.modificationType & (int)SciModificationMod.SC_MOD_INSERTTEXT) != 0;
bool undo = (nc.modificationType & (int)SciModificationMod.SC_PERFORMED_UNDO) != 0;
bool redo = (nc.modificationType & (int)SciModificationMod.SC_PERFORMED_REDO) != 0;
bool singleCharModification = false;
if ((insertedText || deletedText) && !ScnModifiedDisabled)
{
var encoding = Sci.Encoding;
Npp.CurrentSci.Lines.OnScnModified(nc, !deletedText, encoding); // register line modifications
if (!undo && !redo)
{
// if the text has changed
unsafe {
var nbCarets = Sci.Selection.Count;
if (_currentCaret > 0)
{
_currentCaret++;
if (_currentCaret <= nbCarets)
{
return;
}
// then it is the first caret again, we can handle the char
_currentCaret = 0;
}
if (nbCarets > 1)
{
_currentCaret++;
}
// only 1 char appears to be modified
if (nc.length <= 2)
{
// get the char
var bytes = (byte *)nc.text;
var arrbyte = new byte[nc.length];
int index;
for (index = 0; index < nc.length; index++)
{
arrbyte[index] = bytes[index];
}
var c = encoding.GetChars(arrbyte);
var cLength = c.Length;
// do we really have a 1 char input?
if (cLength == 1 || (cLength == 2 && c[0] == '\r'))
{
if (insertedText)
{
ActionsAfterUpdateUi.Enqueue(() => Plug.OnCharAdded(c[0], nc.position));
}
else
{
ActionsAfterUpdateUi.Enqueue(() => Plug.OnCharDeleted(c[0], nc.position));
}
singleCharModification = true;
}
}
}
}
ActionsAfterUpdateUi.Enqueue(() => Plug.OnTextModified(nc, insertedText, deletedText, singleCharModification, undo, redo));
}
return;
case (uint)SciNotif.SCN_STYLENEEDED:
// if we use the contained lexer, we will receive this notification and we will have to style the text
Plug.OnStyleNeeded(Sci.GetEndStyled(), nc.position);
return;
case (uint)SciNotif.SCN_MARGINCLICK:
// called each time the user click on a margin
Plug.OnSciMarginClick(nc);
return;
case (uint)SciNotif.SCN_MODIFYATTEMPTRO:
// Code a checkout when trying to modify a read-only file
return;
case (uint)SciNotif.SCN_DWELLSTART:
// when the user hover at a fixed position for too long
Plug.OnSciDwellStart();
return;
case (uint)SciNotif.SCN_DWELLEND:
// when he moves his cursor
Plug.OnSciDwellEnd();
return;
}
}
else if ((uint)NppNotif.NPPN_NOTIF_BEGIN < code && code < (uint)NppNotif.NPPN_NOTIF_END)
{
// --------------------------------------------------------
// Npp message
// --------------------------------------------------------
switch (code)
{
case (uint)NppNotif.NPPN_BUFFERACTIVATED:
// the user changes the current document (this event is called when the current document is switched (via the tabs)
// and also when a new file is opened in npp
Npp.UpdateCurrentSci(); // update current scintilla
Npp.CurrentSci.Lines.Reset(); // register new lines
NppBufferActivated();
return;
case (uint)NppNotif.NPPN_FILERENAMED:
// the user can open a .txt and rename it as a .p
NppBufferActivated();
return;
case (uint)NppNotif.NPPN_FILESAVED:
// the user can open a .txt and save it as a .p
NppBufferActivated();
Plug.DoNppDocumentSaved();
return;
case (uint)NppNotif.NPPN_FILEBEFORELOAD:
// fire when a file is opened
// When loading a new file into NPP, the events fired are (in order) :
// NPPN_FILEBEFORELOAD > SCN_MODIFIED > NPPN_FILEBEFOREOPEN > NPPN_FILEOPENED > NPPN_BUFFERACTIVATED
// we deactivate the SCN_MODIFIED between NPPN_FILEBEFORELOAD and NPPN_FILEBEFOREOPEN
ScnModifiedDisabled = true;
Plug.DoNppFileBeforeLoad();
return;
case (uint)NppNotif.NPPN_FILEBEFOREOPEN:
ScnModifiedDisabled = false;
return;
case (uint)NppNotif.NPPN_FILEOPENED:
// on file opened
Plug.OnNppFileOpened();
return;
case (uint)NppNotif.NPPN_FILEBEFORECLOSE:
// on file closed
Plug.OnNppFileBeforeClose();
return;
case (uint)NppNotif.NPPN_LANGCHANGED:
// on lang type changed
Plug.OnLangChanged();
NppBufferActivated();
return;
case (uint)NppNotif.NPPN_WORDSTYLESUPDATED:
// The styles have been modified
Npp.StylersXml.Reload();
// unfortunatly, if the user changed of styler.xml file (he selected another theme) then we
// will incorrectly read the styles since we have to wait for the config.xml to be updated
// and it only updates on npp shutdown
return;
case (uint)NppNotif.NPPN_BEFORESHUTDOWN:
// prevent the plugin from handling a lot of events when npp is about to shutdown
PluginIsReady = false;
return;
}
}
}
} catch (Exception e) {
ErrorHandler.ShowErrors(e, "Error in beNotified : code = " + nc.nmhdr.code);
}
}
/// <summary>
/// Reload current file
/// </summary>
public void Reload(bool askConfirmation)
{
Npp.Reload(Path, askConfirmation);
}
