arrow key works on gdi

git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@244 b9cfdab3-6d41-4d17-bbe4-086880011989

doc/index.html

@@ -215,6 +215,9 @@
 <dd>
 	<a href="#Mw_Unicode_h__MwUTF8Copy">MwUTF8Copy</a>
 </dd>
+<dd>
+	<a href="#Mw_Unicode_h__MwUTF32ToUTF8">MwUTF32ToUTF8</a>
+</dd>
 <dt>
 	<a href="#Mw_Widget_Button_h">Mw/Widget/Button.h</a>
 </dt>
@@ -1724,6 +1727,22 @@
 </dd>
 </dl>
 <hr>
+<pre id="Mw_Unicode_h__MwUTF32ToUTF8">MWDECL <B><FONT COLOR="#228B22">int</FONT></B> <B><FONT COLOR="#0000FF">MwUTF32ToUTF8</FONT></B> (
+	<B><FONT COLOR="#228B22">int</FONT></B> input,
+	<B><FONT COLOR="#228B22">char</FONT></B>* output
+);</pre>
+<dl>
+<dd>
+	output Output.
+</dd>
+<dt>
+	Returns
+</dt>
+<dd>
+	Bytes this wide byte takes.
+</dd>
+</dl>
+<hr>
 <h2 align="center" id="Mw_Widget_Button_h">Mw/Widget/Button.h</h2>
 <dl>
 <dt>

include/Mw/Unicode.h

@@ -39,6 +39,14 @@ MWDECL int MwUTF8Length(const char* input);
  */
 MWDECL int MwUTF8Copy(const char* src, int srcskip, char* dst, int dstskip, int len);
 
+/*!
+ * %brief Converts UTF-32 to UTF-8
+ * %brief input Input
+ * %brief output Output
+ * %return Bytes this wide byte takes
+ */
+MWDECL int MwUTF32ToUTF8(int input, char* output);
+
 #ifdef __cplusplus
 }
 #endif

src/backend/gdi.c

@@ -76,6 +76,11 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
 		int n = wp;
 
 		MwLLDispatch(u->ll, key, &n);
+	} else if(msg == WM_KEYDOWN) {
+		int n = -1;
+		if(wp == VK_LEFT) n = MwLLKeyLeft;
+		if(wp == VK_RIGHT) n = MwLLKeyRight;
+		if(n != -1) MwLLDispatch(u->ll, key, &n);
 	} else {
 		return (u->old == NULL) ? DefWindowProc(hWnd, msg, wp, lp) : CallWindowProc(u->old, hWnd, msg, wp, lp);
 	}

src/unicode.c

@@ -97,3 +97,27 @@ int MwUTF8Copy(const char* src, int srcskip, char* dst, int dstskip, int len) {
 
 	return total;
 }
+
+int MwUTF32ToUTF8(int input, char* output) {
+	if(input < 128) {
+		output[0] = input;
+		return 1;
+	} else if(input < 2048) {
+		output[0] = 0xc0 | (input >> 6);
+		output[1] = 0x80 | (input & 0x3f);
+		return 2;
+	} else if(input < 65536) {
+		output[0] = 0xe0 | (input >> 12);
+		output[1] = 0x80 | ((input >> 6) & 0x3f);
+		output[2] = 0x80 | (input & 0x3f);
+		return 3;
+	} else {
+		output[0] = 0xf0 | (input >> 18);
+		output[1] = 0x80 | ((input >> 12) & 0x3f);
+		output[2] = 0x80 | ((input >> 6) & 0x3f);
+		output[3] = 0x80 | (input & 0x3f);
+		return 4;
+	}
+
+	return 0;
+}

src/widget/entry.c

@@ -106,7 +106,7 @@ static void key(MwWidget handle, int code) {
 		int incr = 0;
 		out	 = malloc(strlen(str) + 1 + 1);
 		incr += MwUTF8Copy(str, 0, out, 0, t->cursor);
-		out[incr++] = code;
+		MwUTF32ToUTF8(code, out + incr);
 		MwUTF8Copy(str, t->cursor, out, t->cursor + 1, MwUTF8Length(str) - t->cursor);
 
 		t->cursor++;