Added new method to break text into several lines of a maximum length. This is neccessary because pygtk.set_width_chars doesn't work correctly on the Moko

git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@242 96b47cad-a561-4643-ad3b-153ac7d7599c

eID_gui/src/eid/logic.py

@@ -4,6 +4,29 @@ import subprocess
 from threading import Thread, Event
 from eid_gui_globals import STR_CARD_FOUND, STR_NO_CARD, IMAGES
 
+def break_text(text, line_len):
+    """Inject newlines into a string, so that no line is longer than
+       line_len characters"""
+    pos = line_len
+    chr_lst = list(text)
+    lst_len = len(text)
+
+    while(pos < lst_len):
+        #Search for a whitespace
+        while(chr_lst[pos] != ' '):
+            pos -= 1
+            #If we don't find a whitespace, we inject a newline into the text
+            if(chr_lst[pos] == '\n' or pos == 0):
+                pos += line_len
+                chr_lst.insert(pos, '\n')
+                line_len += 1
+                break
+        chr_lst[pos] = '\n'
+
+        pos += line_len
+
+    return "".join(chr_lst)
+
 class cardChecker(Thread):
     """ This class searches for a card with a given ATR and displays
         wether or not using a label and an image """

eID_gui/src/eid/windows.py

@@ -16,7 +16,7 @@ except ImportError:
 
 from eid_gui_globals import IMAGES, GLADE_FILE, EPA_ATR
 from widgets import customCheckButton
-from logic import cardChecker
+from logic import cardChecker, break_text
 
 class MokoWindow(gtk.Window):
     """
@@ -123,9 +123,9 @@ class MsgBox(gtk.Dialog):
         self.set_size_request(480, 160)
 
         hbox_top = gtk.HBox()
-        lbl = gtk.Label(msg)
-        lbl.set_width_chars(20)
-        lbl.set_line_wrap(True)
+        lbl = gtk.Label(break_text(msg, 35))
+        #lbl.set_width_chars(20)
+        #lbl.set_line_wrap(True)
         btn = gtk.Button("Ok")
         btn.connect("clicked", self.__destroy)
         img = gtk.Image()