[thg-dev] [PATCH] commit: support paragraph-wise reflow to current message format

[Henrik Stuart]

# HG changeset patch
# User Henrik Stuart <henrik.stu...@edlund.dk>
# Date 1253735375 -7200
# Node ID 20942faacc84aea6fbead4b389ee5c72e1e906e1
# Parent  0702138404e463db876e3bb26d68f417c1dd92b0
commit: support paragraph-wise reflow to current message format

diff -r 0702138404e4 -r 20942faacc84 tortoisehg/hgtk/commit.py
--- a/tortoisehg/hgtk/commit.py Wed Sep 23 20:41:50 2009 +0200
+++ b/tortoisehg/hgtk/commit.py Wed Sep 23 21:49:35 2009 +0200
@@ -347,6 +347,7 @@
 
         self.text = gtk.TextView()
         self.text.connect('populate-popup', self.msg_add_to_popup)
+        self.text.connect('key-press-event', self._reflow)
         self.text.modify_font(pango.FontDescription(self.fontcomment))
         scroller.add(self.text)
         gtklib.addspellcheck(self.text, self.repo.ui)
@@ -521,6 +522,56 @@
             setlabel(self.parent2_label, ctxs[1], isheads[1])
             self.parent2_label.show()
 
+    def _reflow(self, widget, event, *args):
+        if event.state & gtk.gdk.MOD1_MASK and 
gtk.gdk.keyval_name(event.keyval) == 'q':
+            buffer = widget.get_buffer()
+            pos = buffer.get_property('cursor-position')
+            start = buffer.get_iter_at_offset(0)
+            end = start.copy()
+            end.forward_to_end()
+
+            text = hglib.tounicode(buffer.get_text(start, end))
+            if pos == len(text):
+                pos -= 1
+
+            sentence_begin = text.rfind('\n\n', 0, pos)
+            while sentence_begin >= 0 and text.rfind('\n\n', 0, pos - 1) == 
sentence_begin - 1:
+                sentence_begin -= 1
+            if sentence_begin == -1:
+                sentence_begin = 0
+            while sentence_begin < len(text) and text[sentence_begin] == '\n':
+                sentence_begin += 1
+
+            sentence_end = text.find('\n\n', sentence_begin + 1)
+            if sentence_end == -1:
+                sentence_end = len(text)
+
+            pre_sentence = text[:sentence_begin]
+            post_sentence = text[sentence_end:]
+            sentence = text[sentence_begin:sentence_end]
+
+            parts = sentence.replace('\r', '').replace('\n', ' 
').replace('\t', ' ').split(' ')
+            line_width = int(self.repo.ui.config('tortoisehg', 'messagewrap', 
80))
+            new_sentence = ['']
+
+            for part in parts:
+                if len(new_sentence[-1]) + len(part) > line_width:
+                    new_sentence.append('')
+                    
+                new_sentence[-1] += '%s ' % part
+
+            sentence = u'\n'.join([x.strip() for x in 
new_sentence]).encode('utf-8')
+
+            new_pos = len(pre_sentence + sentence)
+            buffer.set_text(pre_sentence + sentence + post_sentence)
+
+            new_pos_iter = buffer.get_iter_at_offset(new_pos)
+            buffer.place_cursor(new_pos_iter)
+            m = buffer.create_mark('newcurspos', new_pos_iter, False)
+            self.text.scroll_mark_onscreen(m)
+            buffer.delete_mark(m)
+
+
     def realize_settings(self):
         self.vpaned.set_position(self.setting_vpos)
         if not self.showparents:

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