add tooltips for form fields

data/yad.1

@@ -457,7 +457,7 @@ Output data will be in shell-style quotes.
 
 .SS Form options
 .TP
-.B \-\-field=\fILABEL[:TYPE]\fP
+.B \-\-field=\fILABEL[!TOOLTIP][:TYPE]\fP
 Add field to form. Type may be \fIH\fP, \fIRO\fP, \fINUM\fP, \fICHK\fP, \fICB\fP, \fICBE\fP, \fICE\fP, \fIFL\fP, \fISFL\fP, \fIDIR\fP, \fICDIR\fP, \fIFN\fP, \fIMFL\fP, \fIMDIR\fP, \fIDT\fP, \fISCL\fP, \fIAPP\fP, \fICLR\fP, \fIBTN\fP, \fIFBTN\fP, \fILBL\fP or \fITXT\fP.
 .br
 \fBH\fP - hidden field type. All characters are displayed as the invisible char.

src/option.c

@@ -769,10 +769,19 @@ static gboolean
 add_field (const gchar * option_name, const gchar * value, gpointer data, GError ** err)
 {
   YadField *fld;
+  gchar **names;
   gchar **fstr = split_arg (value);
 
   fld = g_new0 (YadField, 1);
-  fld->name = g_strdup (fstr[0]);
+
+  names = g_strsplit (fstr[0], options.common_data.item_separator, 2);
+  fld->name = g_strdup (names[0]);
+  if (names[1])
+    fld->tip = g_strdup (names[1]);
+  else
+    fld->tip = NULL;
+  g_strfreev (names);
+
   if (fstr[1])
     {
       if (strcasecmp (fstr[1], "H") == 0)

src/yad.h

@@ -185,6 +185,7 @@ typedef struct {
 
 typedef struct {
   gchar *name;
+  gchar *tip;
   YadFieldType type;
 } YadField;