context header v0.1

--HG--
branch : pmacs2

application.py

@@ -783,10 +783,10 @@ class Application(object):
         modename = w.mode.name()
 
         # draw the header
-        rstrs = w.mode.get_header(w)
+        rstrs = w.mode.get_header()
         assert len(rstrs) >= w.mode.header
         for j in range(0, w.mode.header):
-            rstrs[j].draw(self.win, slot.y_offset + j, slot.x_offset)
+            rstrs[j].draw(self.win, slot.y_offset + j, slot.x_offset, slot.width)
 
         # draw the actual slot
         self._draw_slot(i)

buffer/__init__.py

@@ -368,14 +368,11 @@ class Buffer(object):
         self.delete(p1, p2, act, force)
 
     # random
+    def is_whitespace(self, y):
+        return regex.whitespace.match(self.lines[y])
     def count_leading_whitespace(self, y):
-        line = self.lines[y]
-        m = regex.leading_whitespace.match(line)
-        if m:
-            return m.end()
-        else:
-            # should not happen
-            raise Exception, "iiiijjjj"
+        m = regex.leading_whitespace.match(self.lines[y])
+        return m.end()
 
     # generic window functionality
     def forward(self, p):

bufferlist.py

@@ -13,9 +13,11 @@ class Slot(object):
         self.x_offset = x_offset
         if self.window is not None:
             self.window.set_size(self.width, self.height)
+    def reset(self):
+        self.window.set_size(self.width, self.height)
     def set(self, w):
         self.window  = w
-        self.resize(self.height, self.width, self.y_offset, self.x_offset)
+        #self.resize(self.height, self.width, self.y_offset, self.x_offset)
         w.set_size(self.width, self.height)
     def unset(self):
         if not self.is_empty():
@@ -57,11 +59,13 @@ class BufferList(object):
         self.width  = width
         self.fit_slots()
     
-    def is_window_visible(self, w):
+    def find_window_slot(self, w):
         for slot in self.slots:
             if w is slot.window:
-                return True
-        return False
+                return slot
+        return None
+    def is_window_visible(self, w):
+        return self.find_window_slot(w) is not None
     def is_buffer_visible(self, b):
         for slot in self.slots:
             if slot.window is not None and b is slot.window.buffer:

mode/__init__.py

@@ -101,18 +101,18 @@ class Fundamental(Handler):
     format     = "%(flag)s  %(bname)-18s  (%(mname)s)  %(indent)s  %(cursor)s/%(mark)s  %(perc)s"
 
     ## margins
-    def get_header(self): return self.get_setting('header')
-    def set_header(self, value): return self.set_setting('header', value)
-    header  = property(get_header, set_header)
-    def get_footer(self): return self.get_setting('footer')
-    def set_footer(self, value): return self.set_setting('footer', value)
-    footer  = property(get_footer, set_footer)
-    def get_lmargin(self): return self.get_setting('lmargin')
-    def set_lmargin(self, value): return self.set_setting('lmargin', value)
-    lmargin = property(get_lmargin, set_lmargin)
-    def get_rmargin(self): return self.get_setting('rmargin')
-    def set_rmargin(self, value): return self.set_setting('rmargin', value)
-    rmargin = property(get_rmargin, set_rmargin)
+    def _get_header(self): return self.get_setting('header')
+    def _set_header(self, value): return self.set_setting('header', value)
+    header  = property(_get_header, _set_header)
+    def _get_footer(self): return self.get_setting('footer')
+    def _set_footer(self, value): return self.set_setting('footer', value)
+    footer  = property(_get_footer, _set_footer)
+    def _get_lmargin(self): return self.get_setting('lmargin')
+    def _set_lmargin(self, value): return self.set_setting('lmargin', value)
+    lmargin = property(_get_lmargin, _set_lmargin)
+    def _get_rmargin(self): return self.get_setting('rmargin')
+    def _set_rmargin(self, value): return self.set_setting('rmargin', value)
+    rmargin = property(_get_rmargin, _set_rmargin)
 
     def install(cls, app):
         app.setmode(cls.modename.lower(), cls, paths=cls.paths,
@@ -286,11 +286,23 @@ class Fundamental(Handler):
     # header
     def showing_header(self):
         return self.header != 0
-    def enable_header(self):
+    def _enable_header(self):
         self.header = 1
-    def disable_header(self):
+    def _disable_header(self):
         self.header = 0
 
+    def enable_header(self):
+        self._enable_header()
+        self._slot_reset()
+    def disable_header(self):
+        self._disable_header()
+        self._slot_reset()
+    def _slot_reset(self):
+        w = self.window
+        slot = w.application.bufferlist.find_window_slot(w)
+        assert slot is not None
+        slot.reset()
+
     # line numbers
     def showing_line_numbers(self):
         return self.lmargin != 0
@@ -301,10 +313,10 @@ class Fundamental(Handler):
         self.lmargin = 0
 
     # headers and margins
-    def get_header(self, w):
+    def get_header(self):
         fg, bg = "default", "red"
         return [RenderString(s='header', attrs=color.build(fg, bg))]
-    def get_footer(self, w):
+    def get_footer(self):
         fg, bg = "default", "red"
         return [RenderString(s='footer', attrs=color.build(fg, bg))]
     def get_rmargin(self, w, y, x, ended=False, cont=False):

mode/python.py

@@ -1,6 +1,7 @@
 import commands, os.path, string, sys, traceback
 import color, completer, context, default, mode, method, regex, tab, method.introspect
 from point import Point
+from render import RenderString
 from lex import Grammar, PatternRule, RegionRule, OverridePatternRule
 from parse import Any, And, Or, Optional, Name, Match, Matchs
 
@@ -157,12 +158,12 @@ class PythonTabber(tab.StackTabber):
             # we need to pop the indentation level over, unless last line was
             # also a continued line
             if self.continued:
-                self._opt_append('cont', currlvl)
+                self._opt_append('cont', currlvl, y)
             else:
-                self._opt_append('cont', currlvl + w)
+                self._opt_append('cont', currlvl + w, y)
         elif fqname == 'string.start':
             # while inside of a string, there is no indention leve
-            self._opt_append('string', None)
+            self._opt_append('string', None, y)
         elif fqname == 'string.end':
             # since we're done with the string, resume our indentation level
             self._opt_pop('string')
@@ -183,25 +184,25 @@ class PythonTabber(tab.StackTabber):
                 self.popped = True
             elif token.string in self.startlevel_names and self.is_leftmost_token(y, i):
                 # we know we will indent exactly once
-                self._append(token.string, currlvl + w)
+                self._append(token.string, currlvl + w, y)
             elif token.string in ('elif', 'else') and self.is_leftmost_token(y, i):
                 # we know we'll unindent at least to the first if/elif
                 if not self.popped and not self.last_popped and self._peek_until('if', 'elif'):
                     self._pop_until('if', 'elif')
                     currlvl = self.get_curr_level()
-                self._append(token.string, currlvl + w)
+                self._append(token.string, currlvl + w, y)
             elif token.string == 'except' and self.is_leftmost_token(y, i):
                 # we know we'll unindent at least to the first try
                 if not self.popped and not self.last_popped:
                     self._pop_until('try')
                     currlvl = self.get_curr_level()
-                self._append(token.string, currlvl + w)
+                self._append(token.string, currlvl + w, y)
             elif token.string == 'finally' and self.is_leftmost_token(y, i):
                 # we know we'll unindent at least to the first try/except
                 if not self.popped and not self.last_popped:
                     self._pop_until('try', 'except')
                     currlvl = self.get_curr_level()
-                self._append(token.string, currlvl + w)
+                self._append(token.string, currlvl + w, y)
         return currlvl
 
 class PythonCheckSyntax(method.Method):
@@ -575,6 +576,39 @@ class Python(mode.Fundamental):
         names['first'] = self.window.first.xy()
         return names
 
+    # xyz
+    def _enable_header(self):
+        self.header = 3
+    def _disable_header(self):
+        self.header = 0
+    def get_header(self):
+        fg, bg = "default", "red"
+        w = self.window
+        y = self.window.first.y
+        if self.window.first.x > 0:
+            y += 1
+        lvl = self.tabber.get_level(y)
+        markers = self.tabber.record[y]
+        if w.buffer.is_whitespace(y):
+            ws = None
+        else:
+            ws = w.buffer.count_leading_whitespace(y)
+
+        hs = []
+        i = len(markers) - 1
+        while i >= 0 and len(hs) < 3:
+            marker = markers[i]
+            i -= 1
+            if marker.y == y:
+                continue
+            if ws and marker.level > ws:
+                continue
+            s = w.buffer.lines[marker.y][:w.width - 1]
+            hs.insert(0, RenderString(s=s, attrs=color.build(fg, bg)))
+        while len(hs) < 3:
+            hs.insert(0, RenderString(s='', attrs=color.build(fg, bg)))
+        return hs
+
     def __init__(self, w):
         mode.Fundamental.__init__(self, w)
         self.add_bindings('close-paren', (')',))

render.py

@@ -29,9 +29,13 @@ class RenderString(object):
         self.y      = y
         self.x      = x
         self.attrs  = attrs
-    def draw(self, cwin, y, x):
+    def draw(self, cwin, y, x, x2=None):
         try:
-            cwin.addstr(self.y + y, self.x + x, self.string, self.attrs)
+            if x2:
+                s = '%-*s' % (x2 - x, self.string)
+            else:
+                s = self.string
+            cwin.addstr(self.y + y, self.x + x, s, self.attrs)
         except:
             v = (y, self.x, x, self.string, self.attrs)
             raise Exception, "cwin.addstr(%d, %d + %d, %r, %r) failed" % v

tab.py

@@ -2,11 +2,12 @@ import regex, util
 from point import Point
 
 class Marker(object):
-    def __init__(self, name, level):
+    def __init__(self, name, level, y):
         self.name  = name
         self.level = level
+        self.y     = y
     def __repr__(self):
-        return '<Marker(%r, %r)>' % (self.name, self.level)
+        return '<Marker(%r, %r, %r)>' % (self.name, self.level, self.y)
 
 class Tabber(object):
     wsre = regex.whitespace
@@ -158,7 +159,7 @@ class StackTabber(Tabber):
             level = self.get_curr_level() + self.mode.tabwidth
         else:
             level = rtoken.x
-        self._append(token.string, level)
+        self._append(token.string, level, y)
         return currlvl
     def _handle_close_token(self, currlvl, y, i):
         token = self.get_token(y, i)
@@ -180,8 +181,8 @@ class StackTabber(Tabber):
         return len(self.markers) > 0
     def _empty(self):
         return len(self.markers) == 0
-    def _append(self, name, level):
-        self.markers.append(Marker(name, level))
+    def _append(self, name, level, y=None):
+        self.markers.append(Marker(name, level, y))
     def _peek(self):
         if self.markers:
             return self.markers[-1]
@@ -220,22 +221,23 @@ class StackTabber(Tabber):
             else:
                 self.markers.pop(-1)
 
-    def _opt_append(self, name, level):
+    def _opt_append(self, name, level, y=None):
         if self.markers and self.markers[-1].name == name:
             pass
         else:
-            self._append(name, level)
+            self._append(name, level, y)
     def _opt_pop(self, *names):
         if self.markers and self.markers[-1].name in names:
             self.markers.pop(-1)
 
 class Marker2(object):
-    def __init__(self, name, type_, level):
+    def __init__(self, name, type_, level, y=None):
         self.name  = name
         self.type_ = type_
         self.level = level
+        self.y     = y
     def __repr__(self):
-        return '<Marker2(%r, %r, %r)>' % (self.name, self.type_, self.level)
+        return '<Marker2(%r, %r, %r, %r)>' % (self.name, self.type_, self.level, self.y)
 
 class StackTabber2(Tabber):
     open_tokens        = {'delimiter': {'{': '}', '(': ')', '[': ']'}}
@@ -307,9 +309,9 @@ class StackTabber2(Tabber):
         while self._nomatch(*names):
             self.stack.pop()
 
-    def _append(self, name, type_, level):
+    def _append(self, name, type_, level, y=None):
         self.stack.append(Marker2(name, type_, level))
-    def _append_unless(self, name, type_, level):
+    def _append_unless(self, name, type_, level, y=None):
         if self._nomatch(name):
             self.stack.append(Marker2(name, type_, level))
     def _peek(self):
@@ -387,7 +389,7 @@ class StackTabber2(Tabber):
             if d is None or d != 1 and s not in d:
                 if s not in self.close_scope_tokens.get(name, set()):
                     nextlvl = self._get_next_level()
-                    self._append_unless('continue', name, nextlvl)
+                    self._append_unless('continue', name, nextlvl, y)
         #XYZYZYXYXY
 
     def _is_open_token(self, t):
@@ -405,20 +407,20 @@ class StackTabber2(Tabber):
             level = self._get_next_level()
         else:
             level = tokens[i + 1].x + 1
-        self._append(t.string, t.name, level)
+        self._append(t.string, t.name, level, y)
 
     def _handle_other_token(self, y, tokens, start, end, i, t):
         name, s = t.fqname(), t.string
         # handle "free" tokens (strings, heredocs, etc)
         if name in self.start_free_tokens:
-            self._append('free', name, None)
+            self._append('free', name, None, y)
             return
         elif name in self.end_free_tokens:
             self._pop('free')
 
         # handle macros
         if name in self.start_macro_tokens:
-            self._append('macro', name, 0)
+            self._append('macro', name, 0, y)
             if i == 0:
                 self._save_curr_level()
             return
@@ -439,17 +441,17 @@ class StackTabber2(Tabber):
              not top)):
             if self.continue_tokens:
                 if s in self.continue_tokens.get(name, {}):
-                    self._append_unless('continue', name, self._get_next_level())
+                    self._append_unless('continue', name, self._get_next_level(), y)
             elif self.nocontinue_tokens:
                 d = self.nocontinue_tokens.get(name)
                 if d is None or d != 1 and s not in d:
-                    self._append_unless('continue', name, self._get_next_level())
+                    self._append_unless('continue', name, self._get_next_level(), y)
 
         if name == 'continuation':
             # handle explicit continuation
-            self._append_unless('continue', name, self._get_next_level())
+            self._append_unless('continue', name, self._get_next_level(), y)
         elif s in self.control_tokens.get(name, {}):
             # handle control keywords
             if i == start:
                 self._save_curr_level()
-            self._append_unless('control', name, self._get_next_level())
+            self._append_unless('control', name, self._get_next_level(), y)