colorization of email addresses in headers

[claws.git] / src / textview.c

diff --git a/src/textview.c b/src/textview.c
index ce2ad8d90dbf4ac7c4249f0cd11c34e158c29af3..92b32dc6734e5028ced034e7e43fa613dcabfeca 100644 (file)
--- a/src/textview.c
+++ b/src/textview.c
@@ -46,6 +46,7 @@
 #include "procmime.h"
 #include "html.h"
 #include "compose.h"
 #include "procmime.h"
 #include "html.h"
 #include "compose.h"

+#include "addressbook.h"

 
 #define FONT_LOAD(font, s) \
 { \
 
 #define FONT_LOAD(font, s) \
 { \


@@ -530,7 +531,73 @@ static gboolean get_email_part(const gchar *start, const gchar *scanpos,
                        result = TRUE;
                }
        }
                        result = TRUE;
                }
        }

+       
+       if (result) {
+               /* we now have at least the address. now see if this is <bracketed>; in this
+                * case we also scan for the informative part. we could make this a useful
+                * function because it tries to parse out an email address backwards. :) */
+               if ( ((bp_ - 1 > start) && *(bp_ - 1) == '<') &&  (*ep_ == '>')) {
+                       char    closure_stack[128];
+                       char   *ptr = closure_stack;
+#define FULL_STACK()   ((ptr - closure_stack) >= sizeof closure_stack) 
+#define IN_STACK()             (ptr > closure_stack)
+/* has underrun check */
+#define POP_STACK()            if(IN_STACK()) --ptr            
+/* has overrun check */
+#define PUSH_STACK(c)  if(!FULL_STACK()) *ptr++ = (c); else return TRUE 
+/* has underrun check */
+#define PEEK_STACK()   (IN_STACK() ? *(ptr - 1) : 0)
+
+                       ep_++;
+
+                       /* scan for the informative part */
+                       for (bp_ -= 2; bp_ >= start; bp_--) {
+                               /* if closure on the stack keep scanning */
+                               if (PEEK_STACK() == *bp_) {
+                                       POP_STACK();
+                               }                                       
+                               else {
+                                       if (*bp_ == '\'' || *bp_ == '"')  {
+                                               PUSH_STACK(*bp_);
+                                       }                                               
+                                       else {
+                                               if (!PEEK_STACK()) {
+                                                       /* if nothing in the closure stack, do the special conditions
+                                                        * the following if..else expression simply checks whether 
+                                                        * a token is acceptable. if not acceptable, the clause
+                                                        * should terminate the loop with a 'break' */
+                                                       if ( *bp_ == '-' 
+                                                       &&   (((bp_ - 1) >= start) && isalnum(*(bp_ - 1))) 
+                                                       &&   (((bp_ + 1) < ep_)    && isalnum(*(bp_ + 1))) ) {
+                                                               /* hyphens are allowed, but only in between alnums */
+                                                       }
+                                                       else if ( !ispunct(*bp_) ) {
+                                                               /* but anything not being a punctiation is ok */
+                                                       }
+                                                       else {
+                                                               break; /* anything else is rejected */
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+                       
+                       bp_++;
+
+#undef PEEK_STACK
+#undef PUSH_STACK
+#undef POP_STACK
+#undef IN_STACK
+#undef FULL_STACK

 
 

+                       /* scan forward (should start with an alnum) */
+                       for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
+                               ;
+
+                       *ep = ep_;
+                       *bp = bp_;
+               }
+       }

        return result;
 }
 
        return result;
 }
 


@@ -564,6 +631,7 @@ static gchar *make_email_string(const gchar *bp, const gchar *ep)
 
 /* textview_make_clickable_parts() - colorizes clickable parts */
 static void textview_make_clickable_parts(TextView *textview, GtkText *text,
 
 /* textview_make_clickable_parts() - colorizes clickable parts */
 static void textview_make_clickable_parts(TextView *textview, GtkText *text,

+                                         GdkFont  *textfont,

                                          GdkColor *fg_color,
                                          GdkColor *uri_color,
                                          const gchar *linebuf)
                                          GdkColor *fg_color,
                                          GdkColor *uri_color,
                                          const gchar *linebuf)


@@ -624,7 +692,7 @@ static void textview_make_clickable_parts(TextView *textview, GtkText *text,
                if (scanpos) {
                        /* check if URI can be parsed */
                        if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
                if (scanpos) {
                        /* check if URI can be parsed */
                        if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)

-                           && (ep - bp - 1) > strlen(parser[n].needle)) {
+                           && (ep - bp - 1) > strlen(parser[last_index].needle)) {

                                        ADD_TXT_POS(bp, ep, last_index);
                                        walk = ep;
                        } else
                                        ADD_TXT_POS(bp, ep, last_index);
                                        walk = ep;
                        } else


@@ -645,13 +713,13 @@ static void textview_make_clickable_parts(TextView *textview, GtkText *text,
 
                        uri = g_new(RemoteURI, 1);
                        if (last->bp - normal_text > 0)
 
                        uri = g_new(RemoteURI, 1);
                        if (last->bp - normal_text > 0)

-                               gtk_text_insert(text, textview->msgfont,
+                               gtk_text_insert(text, textfont,

                                                fg_color, NULL,
                                                normal_text,
                                                last->bp - normal_text);
                        uri->uri = parser[last->pti].build_uri(last->bp, last->ep);
                        uri->start = gtk_text_get_point(text);
                                                fg_color, NULL,
                                                normal_text,
                                                last->bp - normal_text);
                        uri->uri = parser[last->pti].build_uri(last->bp, last->ep);
                        uri->start = gtk_text_get_point(text);

-                       gtk_text_insert(text, textview->msgfont, uri_color,
+                       gtk_text_insert(text, textfont, uri_color,

                                        NULL, last->bp, last->ep - last->bp);
                        uri->end = gtk_text_get_point(text);
                        textview->uri_list =
                                        NULL, last->bp, last->ep - last->bp);
                        uri->end = gtk_text_get_point(text);
                        textview->uri_list =


@@ -659,10 +727,10 @@ static void textview_make_clickable_parts(TextView *textview, GtkText *text,
                }
 
                if (*normal_text)
                }
 
                if (*normal_text)

-                       gtk_text_insert(text, textview->msgfont, fg_color,
+                       gtk_text_insert(text, textfont, fg_color,

                                        NULL, normal_text, -1);
        } else
                                        NULL, normal_text, -1);
        } else

-               gtk_text_insert(text, textview->msgfont, fg_color, NULL,
+               gtk_text_insert(text, textfont, fg_color, NULL,

                                linebuf, -1);
 }
 
                                linebuf, -1);
 }
 


@@ -723,6 +791,7 @@ static void textview_write_line(TextView *textview, const gchar *str,
 
        if (prefs_common.enable_color)
                textview_make_clickable_parts(textview, text,
 
        if (prefs_common.enable_color)
                textview_make_clickable_parts(textview, text,

+                                                 textview->msgfont,

                                              fg_color, &uri_color, buf);
        else
                gtk_text_insert(text, textview->msgfont, fg_color, NULL,
                                              fg_color, &uri_color, buf);
        else
                gtk_text_insert(text, textview->msgfont, fg_color, NULL,


@@ -932,9 +1001,19 @@ static void textview_show_header(TextView *textview, GPtrArray *headers)
                    strstr(header->body, "Sylpheed") != NULL)
                        gtk_text_insert(text, NULL, &emphasis_color, NULL,
                                        header->body, -1);
                    strstr(header->body, "Sylpheed") != NULL)
                        gtk_text_insert(text, NULL, &emphasis_color, NULL,
                                        header->body, -1);

-               else
-                       gtk_text_insert(text, NULL, NULL, NULL,
-                                       header->body, -1);
+               else {
+                       if (prefs_common.enable_color) {
+                               textview_make_clickable_parts(textview, text,
+                                                                                         NULL,
+                                                                                         NULL, 
+                                                                                         &uri_color, 
+                                                                                         header->body);
+                       }                                                                                         
+                       else {                                                                                    
+                               gtk_text_insert(text, NULL, NULL, NULL,
+                                               header->body, -1);
+                       }                                               
+               }                                       

                gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
        }
 
                gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
        }
 


@@ -1162,8 +1241,9 @@ static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
                                    TextView *textview)
 {
        if (event &&
                                    TextView *textview)
 {
        if (event &&

-           ((event->button == 1 && event->type == GDK_2BUTTON_PRESS) ||
-            event->button == 2)) {
+           ((event->button == 1 && event->type == GDK_2BUTTON_PRESS) 
+               || event->button == 2
+               || event->button == 3)) {

                GSList *cur;
                guint current_pos;
 
                GSList *cur;
                guint current_pos;
 


@@ -1174,9 +1254,10 @@ static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 
                        if (current_pos >= uri->start &&
                            current_pos <  uri->end) {
 
                        if (current_pos >= uri->start &&
                            current_pos <  uri->end) {

-                               if (!strncasecmp(uri->uri, "mailto:", 7))
+                               if (!strncasecmp(uri->uri, "mailto:", 7)) {

                                        compose_new_with_recipient
                                                (NULL, uri->uri + 7);
                                        compose_new_with_recipient
                                                (NULL, uri->uri + 7);

+                               }                                               

                                else
                                        open_uri(uri->uri,
                                                 prefs_common.uri_cmd);
                                else
                                        open_uri(uri->uri,
                                                 prefs_common.uri_cmd);