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2007-01-13 Zsolt Foldvari <zfoldvar@users.sourceforge.net>

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* src/DisplayTabs/_NoteTab.py: beginning of formatted tabs



svn: r7897
This commit is contained in:
Zsolt Foldvari 2007-01-13 21:49:34 +00:00
parent 55cd2e75fe
commit 758877f11e
2 changed files with 374 additions and 5 deletions
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3
gramps2/ChangeLog
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@ -1,3 +1,6 @@
2007-01-13 Zsolt Foldvari <zfoldvar@users.sourceforge.net>
* src/DisplayTabs/_NoteTab.py: beginning of formatted tabs
2007-01-12 Zsolt Foldvari <zfoldvar@users.sourceforge.net>
* src/GrampsWidgets.py: cleanup
* src/DateEdit.py: align DateEdit methods to ValidatableMaskedEntry

368
gramps2/src/DisplayTabs/_NoteTab.py
View File

@ -26,6 +26,7 @@
#
#-------------------------------------------------------------------------
from gettext import gettext as _
import xml.sax.saxutils
#-------------------------------------------------------------------------
#
@ -33,6 +34,7 @@ from gettext import gettext as _
#
#-------------------------------------------------------------------------
import gtk
import pango
#-------------------------------------------------------------------------
#
@ -47,6 +49,8 @@ from _GrampsTab import GrampsTab
# NoteTab
#
#-------------------------------------------------------------------------
FORMATTED_NOTE = False
class NoteTab(GrampsTab):
def __init__(self, dbstate, uistate, track, note_obj, title=_('Note')):
@ -97,6 +101,7 @@ class NoteTab(GrampsTab):
scroll = gtk.ScrolledWindow()
scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
scroll.add(self.text)
# FIXME: is this signal called at all
scroll.connect('focus-out-event', self.update)
vbox.pack_start(scroll, True)
@ -112,17 +117,37 @@ class NoteTab(GrampsTab):
vbox.pack_start(hbox, False)
self.pack_start(vbox, True)
if FORMATTED_NOTE:
self.buf = EditorBuffer()
self.text.set_buffer(self.buf)
for lab,stock,font in [('gtk-italic',True,'<i>italic</i>'),
('gtk-bold',True,'<b>bold</b>'),
('gtk-underline',True,'<u>underline</u>'),
#('Blue',True,'<span foreground="blue">blue</span>'),
#('Red',False,'<span foreground="red">smallcaps</span>'),
]:
button = gtk.ToggleButton(lab)
hbox.pack_start(button, False)
if stock:
button.set_use_stock(True)
self.buf.setup_widget_from_pango(button,font)
else:
self.buf = self.text.get_buffer()
if self.note_obj:
self.empty = False
if FORMATTED_NOTE:
self.buf.set_text(self.note_obj.get())
else:
self.buf.insert_at_cursor(self.note_obj.get())
else:
self.empty = True
self.buf.connect('changed', self.update)
self.buf.connect_after('apply-tag', self.update)
self.buf.connect_after('remove-tag', self.update)
self.rebuild()
def update(self, obj):
def update(self, obj, *args):
if self.note_obj:
start = self.buf.get_start_iter()
stop = self.buf.get_end_iter()
@ -146,3 +171,344 @@ class NoteTab(GrampsTab):
def cancel(self):
self.note_obj.unserialize(self.original)
class FormattedBuffer (gtk.TextBuffer):
desc_to_attr_table = {
'family':[pango.AttrFamily,""],
'style':[pango.AttrStyle,pango.STYLE_NORMAL],
'variant':[pango.AttrVariant,pango.VARIANT_NORMAL],
'weight':[pango.AttrWeight,pango.WEIGHT_NORMAL],
'stretch':[pango.AttrStretch,pango.STRETCH_NORMAL],
}
pango_translation_properties={
# pango ATTR TYPE : (pango attr property / tag property)
pango.ATTR_SIZE : 'size',
pango.ATTR_WEIGHT: 'weight',
pango.ATTR_UNDERLINE: 'underline',
pango.ATTR_STRETCH: 'stretch',
pango.ATTR_VARIANT: 'variant',
pango.ATTR_STYLE: 'style',
pango.ATTR_SCALE: 'scale',
pango.ATTR_STRIKETHROUGH: 'strikethrough',
pango.ATTR_RISE: 'rise',
}
attval_to_markup={
'underline':{pango.UNDERLINE_SINGLE:'single',
pango.UNDERLINE_DOUBLE:'double',
pango.UNDERLINE_LOW:'low',
pango.UNDERLINE_NONE:'none'},
'stretch':{pango.STRETCH_ULTRA_EXPANDED:'ultraexpanded',
pango.STRETCH_EXPANDED:'expanded',
pango.STRETCH_EXTRA_EXPANDED:'extraexpanded',
pango.STRETCH_EXTRA_CONDENSED:'extracondensed',
pango.STRETCH_ULTRA_CONDENSED:'ultracondensed',
pango.STRETCH_CONDENSED:'condensed',
pango.STRETCH_NORMAL:'normal',
},
'variant':{pango.VARIANT_NORMAL:'normal',
pango.VARIANT_SMALL_CAPS:'smallcaps',
},
'style':{pango.STYLE_NORMAL:'normal',
pango.STYLE_OBLIQUE:'oblique',
pango.STYLE_ITALIC:'italic',
},
'stikethrough':{1:'true',
True:'true',
0:'false',
False:'false'},
}
def __init__ (self):
self.tagdict = {}
self.tags = {}
#self.buf = buf
#self.set_text(txt)
gtk.TextBuffer.__init__(self)
def set_text (self, txt):
gtk.TextBuffer.set_text(self,"")
try:
self.parsed,self.txt,self.separator = pango.parse_markup(txt,u'\x00')
except:
log.debug('Escaping text, we seem to have a problem here!')
txt=xml.sax.saxutils.escape(txt)
self.parsed,self.txt,self.separator = pango.parse_markup(txt,u'\x00')
self.attrIter = self.parsed.get_iterator()
self.add_iter_to_buffer()
while self.attrIter.next():
self.add_iter_to_buffer()
def add_iter_to_buffer (self):
range=self.attrIter.range()
font,lang,attrs = self.attrIter.get_font()
tags = self.get_tags_from_attrs(font,lang,attrs)
text = self.txt[range[0]:range[1]]
if tags: self.insert_with_tags(self.get_end_iter(),text,*tags)
else: self.insert_with_tags(self.get_end_iter(),text)
def get_tags_from_attrs (self, font,lang,attrs):
tags = []
if font:
font,fontattrs = self.fontdesc_to_attrs(font)
fontdesc = font.to_string()
if fontattrs:
attrs.extend(fontattrs)
if fontdesc and fontdesc!='Normal':
if not self.tags.has_key(font.to_string()):
tag=self.create_tag()
tag.set_property('font-desc',font)
if not self.tagdict.has_key(tag): self.tagdict[tag]={}
self.tagdict[tag]['font_desc']=font.to_string()
self.tags[font.to_string()]=tag
tags.append(self.tags[font.to_string()])
if lang:
if not self.tags.has_key(lang):
tag = self.create_tag()
tag.set_property('language',lang)
self.tags[lang]=tag
tags.append(self.tags[lang])
if attrs:
for a in attrs:
if a.type == pango.ATTR_FOREGROUND:
gdkcolor = self.pango_color_to_gdk(a.color)
key = 'foreground%s'%self.color_to_hex(gdkcolor)
if not self.tags.has_key(key):
self.tags[key]=self.create_tag()
self.tags[key].set_property('foreground-gdk',gdkcolor)
self.tagdict[self.tags[key]]={}
self.tagdict[self.tags[key]]['foreground']="#%s"\
%self.color_to_hex(gdkcolor)
tags.append(self.tags[key])
if a.type == pango.ATTR_BACKGROUND:
gdkcolor = self.pango_color_to_gdk(a.color)
key = 'background%s'%self.color_to_hex(gdkcolor)
if not self.tags.has_key(key):
self.tags[key]=self.create_tag()
self.tags[key].set_property('background-gdk',gdkcolor)
self.tagdict[self.tags[key]]={}
self.tagdict[self.tags[key]]['background']="#%s"\
%self.color_to_hex(gdkcolor)
tags.append(self.tags[key])
if self.pango_translation_properties.has_key(a.type):
prop=self.pango_translation_properties[a.type]
##log.debug('setting property %s of %s (type: %s)'\
##%(prop,a,a.type))
val=getattr(a,'value')
#tag.set_property(prop,val)
mval = val
if self.attval_to_markup.has_key(prop):
#print 'converting ',prop,' in ',val
if self.attval_to_markup[prop].has_key(val):
mval = self.attval_to_markup[prop][val]
else:
log.debug("hmmm, didn't know what to do"
" with value %s"%val,0)
key="%s%s"%(prop,val)
if not self.tags.has_key(key):
self.tags[key]=self.create_tag()
self.tags[key].set_property(prop,val)
self.tagdict[self.tags[key]]={}
self.tagdict[self.tags[key]][prop]=mval
tags.append(self.tags[key])
else:
##log.debug("Don't know what to do with attr %s"%a,1)
pass
return tags
def get_tags (self):
tagdict = {}
for pos in range(self.get_char_count()):
iter=self.get_iter_at_offset(pos)
for tag in iter.get_tags():
if tagdict.has_key(tag):
if tagdict[tag][-1][1] == pos - 1:
tagdict[tag][-1] = (tagdict[tag][-1][0],pos)
else:
tagdict[tag].append((pos,pos))
else:
tagdict[tag]=[(pos,pos)]
return tagdict
def get_text (self, start=None, end=None, include_hidden_chars=True):
tagdict=self.get_tags()
if not start: start=self.get_start_iter()
if not end: end=self.get_end_iter()
txt = unicode(gtk.TextBuffer.get_text(self,start,end))
cuts = {}
for k,v in tagdict.items():
stag,etag = self.tag_to_markup(k)
for st,e in v:
#add start tags second
if cuts.has_key(st): cuts[st].append(stag)
else: cuts[st]=[stag]
#add end tags first
if cuts.has_key(e+1): cuts[e+1]=[etag]+cuts[e+1]
else: cuts[e+1]=[etag]
last_pos = 0
outbuff = ""
cut_indices = cuts.keys()
cut_indices.sort()
soffset = start.get_offset()
eoffset = end.get_offset()
cut_indices = filter(lambda i: eoffset >= i >= soffset, cut_indices)
for c in cut_indices:
if not last_pos==c:
outbuff += xml.sax.saxutils.escape(txt[last_pos:c])
last_pos = c
for tag in cuts[c]:
outbuff += tag
outbuff += xml.sax.saxutils.escape(txt[last_pos:])
return outbuff
def tag_to_markup (self, tag):
stag = "<span"
for k,v in self.tagdict[tag].items():
stag += ' %s="%s"'%(k,v)
stag += ">"
return stag,"</span>"
def fontdesc_to_attrs (self,font):
nicks = font.get_set_fields().value_nicks
attrs = []
for n in nicks:
if self.desc_to_attr_table.has_key(n):
Attr,norm = self.desc_to_attr_table[n]
# create an attribute with our current value
attrs.append(Attr(getattr(font,'get_%s'%n)()))
# unset our font's value
getattr(font,'set_%s'%n)(norm)
return font,attrs
def pango_color_to_gdk (self, pc):
return gtk.gdk.Color(pc.red,pc.green,pc.blue)
def color_to_hex (self, color):
hexstring = ""
for col in 'red','green','blue':
hexfrag = hex(getattr(color,col)/(16*16)).split("x")[1]
if len(hexfrag)<2: hexfrag = "0" + hexfrag
hexstring += hexfrag
return hexstring
def apply_font_and_attrs (self, font, attrs):
tags = self.get_tags_from_attrs(font,None,attrs)
for t in tags: self.apply_tag_to_selection(t)
def remove_font_and_attrs (self, font, attrs):
tags = self.get_tags_from_attrs(font,None,attrs)
for t in tags: self.remove_tag_from_selection(t)
def setup_default_tags (self):
self.italics = self.get_tags_from_attrs(None,None,
[pango.AttrStyle('italic')])[0]
self.bold = self.get_tags_from_attrs(None,None,
[pango.AttrWeight('bold')])[0]
self.underline = self.get_tags_from_attrs(None,None,
[pango.AttrUnderline('single')])[0]
def get_selection (self):
bounds = self.get_selection_bounds()
if not bounds:
iter=self.get_iter_at_mark(self.insert)
if iter.inside_word():
start_pos = iter.get_offset()
iter.forward_word_end()
word_end = iter.get_offset()
iter.backward_word_start()
word_start = iter.get_offset()
iter.set_offset(start_pos)
bounds = (self.get_iter_at_offset(word_start),
self.get_iter_at_offset(word_end+1))
else:
bounds = (iter,self.get_iter_at_offset(iter.get_offset()+1))
return bounds
def apply_tag_to_selection (self, tag):
selection = self.get_selection()
if selection:
self.apply_tag(tag,*selection)
def remove_tag_from_selection (self, tag):
selection = self.get_selection()
if selection:
self.remove_tag(tag,*selection)
def remove_all_tags (self):
selection = self.get_selection()
if selection:
for t in self.tags.values():
self.remove_tag(t,*selection)
class EditorBuffer(FormattedBuffer):
def __init__ (self, normal_button=None, toggle_widget_alist=[]):
"""An interactive interface to allow marking up a gtk.TextBuffer.
normal_button is a widget whose clicked signal will make us normal
toggle_widget_alist is a list that looks like this:
[(widget, (font,attr)),
(widget2, (font,attr))]
"""
FormattedBuffer.__init__(self)
if normal_button:
normal_button.connect('clicked',lambda *args: self.remove_all_tags())
self.tag_widgets = {}
self.internal_toggle = False
self.insert = self.get_insert()
# FIXME: try to register class and use on_<signal> methods
self.connect('mark-set',self._mark_set_cb)
self.connect('changed',self._changed_cb)
for w,tup in toggle_widget_alist:
self.setup_widget(w,*tup)
def setup_widget_from_pango (self, widg, markupstring):
"""Setup widget from a pango markup string"""
#font = pango.FontDescription(fontstring)
a,t,s = pango.parse_markup(markupstring,u'\x00')
ai=a.get_iterator()
font,lang,attrs=ai.get_font()
return self.setup_widget(widg,font,attrs)
def setup_widget (self, widg, font, attr):
tags=self.get_tags_from_attrs(font,None,attr)
self.tag_widgets[tuple(tags)]=widg
return widg.connect('toggled',self._toggle,tags)
def _toggle (self, widget, tags):
if self.internal_toggle: return
if widget.get_active():
for t in tags: self.apply_tag_to_selection(t)
else:
for t in tags: self.remove_tag_from_selection(t)
def _mark_set_cb (self, buffer, iter, mark, *params):
# Every time the cursor moves, update our widgets that reflect
# the state of the text.
if hasattr(self,'_in_mark_set') and self._in_mark_set: return
self._in_mark_set = True
if mark.get_name()=='insert':
for tags,widg in self.tag_widgets.items():
active = True
for t in tags:
if not iter.has_tag(t):
active=False
self.internal_toggle=True
widg.set_active(active)
self.internal_toggle=False
if hasattr(self,'last_mark'):
self.move_mark(self.last_mark,iter)
else:
self.last_mark = self.create_mark('last',iter,left_gravity=True)
self._in_mark_set = False
def _changed_cb (self, tb):
if not hasattr(self,'last_mark'): return
# If our insertion point has a mark, we want to apply the tag
# each time the user types...
old_itr = self.get_iter_at_mark(self.last_mark)
insert_itr = self.get_iter_at_mark(self.insert)
if old_itr!=insert_itr:
# Use the state of our widgets to determine what
# properties to apply...
for tags,w in self.tag_widgets.items():
if w.get_active():
#print 'apply tags...',tags
for t in tags: self.apply_tag(t,old_itr,insert_itr)