Auto completion support all word characters other than [a-zA-Z0-9_], …

…fix issue #36 and issue #73.

scintilla/include/Scintilla.h

@@ -57,6 +57,8 @@ typedef sptr_t (*SciFnDirect)(sptr_t ptr, unsigned int iMessage, uptr_t wParam,
 #define SCI_CLEARDOCUMENTSTYLE 2005
 #define SCI_GETLENGTH 2006
 #define SCI_GETCHARAT 2007
+#define SCI_GETCHARACTERANDWIDTH 2038
+#define SCI_ISAUTOCOMPLETIONWORDCHARACTER 2039
 #define SCI_GETCURRENTPOS 2008
 #define SCI_GETANCHOR 2009
 #define SCI_GETSTYLEAT 2010

scintilla/include/Scintilla.iface

@@ -116,6 +116,12 @@ get int GetLength=2006(,)
 # Returns the character byte at the position.
 get int GetCharAt=2007(position pos,)
 
+# Returns the character at the position and.
+get int GetCharacterAndWidth=2038(position pos, position width)
+
+# Is character part of auto-completion word.
+get bool IsAutoCompletionWordCharacter=2039(int ch,)
+
 # Returns the position of the caret.
 get position GetCurrentPos=2008(,)
 

scintilla/src/Document.h

@@ -546,6 +546,10 @@ class Document : PerLine, public IDocument, public ILoader {
 	}
 	Sci::Position BraceMatch(Sci::Position position, Sci::Position maxReStyle) noexcept;
 
+	bool IsAutoCompletionWordCharacter(unsigned int ch) const noexcept {
+		return WordCharacterClass(ch) == CharClassify::ccWord;
+	}
+
 private:
 	void NotifyModifyAttempt() noexcept;
 	void NotifySavePoint(bool atSavePoint) noexcept;

scintilla/src/Editor.cxx

@@ -6269,6 +6269,12 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_GETCHARAT:
 		return static_cast<unsigned char>(pdoc->CharAt(wParam));
 
+	case SCI_GETCHARACTERANDWIDTH:
+		return pdoc->GetCharacterAndWidth(wParam, reinterpret_cast<Sci_Position *>(lParam));
+
+	case SCI_ISAUTOCOMPLETIONWORDCHARACTER:
+		return pdoc->IsAutoCompletionWordCharacter(static_cast<unsigned int>(wParam));
+
 	case SCI_SETCURRENTPOS:
 		if (sel.IsRectangular()) {
 			sel.Rectangular().caret.SetPosition(wParam);

src/Edit.h

@@ -251,6 +251,8 @@ typedef struct EditAutoCompletionConfig {
 
 // in EditAutoC.c
 void	EditCompleteUpdateConfig(void);
+BOOL	IsDocWordChar(int ch);
+BOOL	IsAutoCompletionWordCharacter(int ch);
 void	EditCompleteWord(HWND hwnd, BOOL autoInsert);
 void	EditAutoCloseBraceQuote(HWND hwnd, int ch);
 void	EditAutoCloseXMLTag(HWND hwnd);