From 758877f11efd32be92c4bd9b93dfe236060e6822 Mon Sep 17 00:00:00 2001 From: Zsolt Foldvari Date: Sat, 13 Jan 2007 21:49:34 +0000 Subject: [PATCH] 2007-01-13 Zsolt Foldvari * src/DisplayTabs/_NoteTab.py: beginning of formatted tabs svn: r7897 --- gramps2/ChangeLog | 3 + gramps2/src/DisplayTabs/_NoteTab.py | 376 +++++++++++++++++++++++++++- 2 files changed, 374 insertions(+), 5 deletions(-) diff --git a/gramps2/ChangeLog b/gramps2/ChangeLog index fb5043797..97b3dabac 100644 --- a/gramps2/ChangeLog +++ b/gramps2/ChangeLog @@ -1,3 +1,6 @@ +2007-01-13 Zsolt Foldvari + * src/DisplayTabs/_NoteTab.py: beginning of formatted tabs + 2007-01-12 Zsolt Foldvari * src/GrampsWidgets.py: cleanup * src/DateEdit.py: align DateEdit methods to ValidatableMaskedEntry diff --git a/gramps2/src/DisplayTabs/_NoteTab.py b/gramps2/src/DisplayTabs/_NoteTab.py index 314a2cc02..f780208cf 100644 --- a/gramps2/src/DisplayTabs/_NoteTab.py +++ b/gramps2/src/DisplayTabs/_NoteTab.py @@ -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 #------------------------------------------------------------------------- # @@ -47,11 +49,13 @@ from _GrampsTab import GrampsTab # NoteTab # #------------------------------------------------------------------------- +FORMATTED_NOTE = False + class NoteTab(GrampsTab): def __init__(self, dbstate, uistate, track, note_obj, title=_('Note')): self.note_obj = note_obj - self.original = note_obj.serialize() + self.original = note_obj.serialize() GrampsTab.__init__(self, dbstate, uistate, track, title) self.show_all() @@ -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) - self.buf = self.text.get_buffer() + if FORMATTED_NOTE: + self.buf = EditorBuffer() + self.text.set_buffer(self.buf) + for lab,stock,font in [('gtk-italic',True,'italic'), + ('gtk-bold',True,'bold'), + ('gtk-underline',True,'underline'), + #('Blue',True,'blue'), + #('Red',False,'smallcaps'), + ]: + 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 - self.buf.insert_at_cursor(self.note_obj.get()) + 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() @@ -145,4 +170,345 @@ class NoteTab(GrampsTab): self._set_label() def cancel(self): - self.note_obj.unserialize(self.original) + 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 = "" + + 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_ 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)