Add new plugin command & notification while native lang being changed

Fix notepad-plus-plus#15513
donho · Aug 27, 2024 · 52f306e · 52f306e
1 parent 8e26e08
commit 52f306e
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diff --git a/PowerEditor/src/MISC/PluginsManager/Notepad_plus_msgs.h b/PowerEditor/src/MISC/PluginsManager/Notepad_plus_msgs.h
@@ -980,6 +980,15 @@ enum Platform { PF_UNKNOWN, PF_X86, PF_X64, PF_IA64, PF_ARM64 };
 	// lParam[in]: newName - the desired new name of the tab
 	// Return TRUE upon success; FALSE upon failure
 
+	#define NPPM_GETNATIVELANGFILENAME (NPPMSG + 116)
+	// int NPPM_GETNATIVELANGFILENAME(size_t strLen, char* nativeLangFileName)
+	// Get the Current native language file name string.
+	// Users should call it with nativeLangFileName as NULL to get the required number of char (not including the terminating nul character),
+	// allocate commandLineStr buffer with the return value + 1, then call it again to get the current native language file name string.
+	// wParam[in]: strLen is "commandLineStr" buffer length
+	// lParam[out]: commandLineStr recieves all copied native language file name string
+	// Return the number of char copied/to copy
+
 	// For RUNCOMMAND_USER
 	#define VAR_NOT_RECOGNIZED 0
 	#define FULL_CURRENT_PATH 1
@@ -1196,3 +1205,10 @@ enum Platform { PF_UNKNOWN, PF_X86, PF_X64, PF_IA64, PF_ARM64 };
 	//scnNotification->nmhdr.code = NPPN_GLOBALMODIFIED;
 	//scnNotification->nmhdr.hwndFrom = BufferID;
 	//scnNotification->nmhdr.idFrom = 0; // preserved for the future use, must be zero
+
+	#define NPPN_NATIVELANGCHANGED (NPPN_FIRST + 31)  // To notify plugins that the current native language is just changed to another one.
+                                                      // Use NPPM_GETNATIVELANGFILENAME to get current native language file name.
+                                                      // Use NPPM_GETMENUHANDLE(NPPPLUGINMENU, 0) to get submenu "Plugins" handle (HMENU)
+	//scnNotification->nmhdr.code = NPPN_NATIVELANGCHANGED;
+	//scnNotification->nmhdr.hwndFrom = hwndNpp
+	//scnNotification->nmhdr.idFrom = 0; // preserved for the future use, must be zero
diff --git a/PowerEditor/src/Notepad_plus.cpp b/PowerEditor/src/Notepad_plus.cpp
@@ -7248,6 +7248,13 @@ bool Notepad_plus::reloadLang()
 	}
 
 	_lastRecentFileList.setLangEncoding(_nativeLangSpeaker.getLangEncoding());
+
+	SCNotification scnN{};
+	scnN.nmhdr.code = NPPN_NATIVELANGCHANGED;
+	scnN.nmhdr.hwndFrom = _pPublicInterface->getHSelf();
+	scnN.nmhdr.idFrom = 0;
+	_pluginsManager.notify(&scnN);
+
 	return true;
 }
 

diff --git a/PowerEditor/src/NppBigSwitch.cpp b/PowerEditor/src/NppBigSwitch.cpp
@@ -3747,6 +3747,20 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 			return TRUE;
 		}
 
+		case NPPM_GETNATIVELANGFILENAME:
+		{
+			string fileName = _nativeLangSpeaker.getFileName();
+			if (lParam != 0)
+			{
+				if (fileName.length() >= static_cast<size_t>(wParam))
+				{
+					return 0;
+				}
+				strcpy(reinterpret_cast<char*>(lParam), fileName.c_str());
+			}
+			return fileName.length();
+		}
+
 		default:
 		{
 			if (message == WDN_NOTIFY)