popup: refine the input panel

dat.h

@@ -18,6 +18,9 @@ enum
 	LangVI	= 0x16,
 
 	Fontsz	= 32,
+	PopupPad	= 4,
+	PopupSep	= 1,
+	PopupNumw	= Fontsz,
 	Maxrunes	= 64,
 	Maxutf	= Maxrunes * UTFmax + 1,
 };
@@ -28,11 +31,13 @@ enum
 	Maxkouho	= 32,
 	Maxdisp		= 9,
 	Imgw		= (Maxrunes + 3) * Fontsz,
-	Imgh		= (Maxdisp + 2) * Fontsz,
+	Imgh		= 2*PopupPad + (Maxdisp + 2)*Fontsz + PopupSep,
 
 	Colfg	= 0x000000,
 	Colbg	= 0xffffff,
-	Colsel	= 0xcccccc,
+	Colsep	= 0xd0d0d0,
+	Colsel	= 0x333333,
+	Colselfg	= 0xffffff,
 };
 
 typedef struct Str Str;
@@ -137,6 +142,26 @@ struct Drawcmd
 	Caret	caret;
 };
 
+typedef struct Popup Popup;
+struct Popup
+{
+	int	w;
+	int	h;
+	int	n;
+	int	prey;
+	int	sepy;
+	int	rowsy;
+	int	numx;
+	int	textx;
+	int	textw;
+	int	markx;
+	int	marky;
+	int	markw;
+	int	selx;
+	int	sely;
+	int	selw;
+};
+
 typedef struct Keyreq Keyreq;
 typedef struct Keyres Keyres;
 enum