#coding:utf8
from gi.repository import Gtk, Pango, GtkSource, Gdk, GObject
import string
import os
class SearchDialog(Gtk.Dialog):
"""这里是一个在文本中搜索字符串的对话框。"""
def __init__(self, parent):
Gtk.Dialog.__init__(self, "Search", parent,
Gtk.DialogFlags.MODAL, buttons=(
Gtk.STOCK_FIND, Gtk.ResponseType.OK,
Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL
)
)
box = self.get_content_area()
box.add(Gtk.Label("查找："))
self.entry = Gtk.Entry()
box.add(self.entry)
self.show_all()
class TextViewWindow(Gtk.Window):
"""程序的主要部分"""
history = []
def __init__(self):
Gtk.Window.__init__(self, title="带背景的文本编辑器")
GObject.signal_new("changed", BEditDocument, GObject.SIGNAL_RUN_FIRST, GObject.TYPE_NONE, ())
self.grid = Gtk.Grid()
self.add(self.grid)
#载入历史记录
self.load_config()
self.set_default_size(self.sizeWidth, self.sizeHeight)
self.create_notebook()
self.create_menubar()
self.create_toolbar()
self.on_new()
self.set_style()
def create_toolbar(self):
"""建立工具栏，这里的工具栏，实际上是选项卡上的一些标签页。"""
button = [Gtk.ToolButton.new_from_stock(Gtk.STOCK_NEW),
Gtk.MenuToolButton.new_from_stock(Gtk.STOCK_OPEN),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_SAVE),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_PRINT),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_UNDO),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_REDO),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_CUT),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_COPY),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_PASTE),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_FIND),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_FIND_AND_REPLACE),
Gtk.ToolButton.new_from_stock(Gtk.STOCK_PREFERENCES)]
for i in button:
self.notebook.append_page(Gtk.Box(spacing=6), i)
button[0].connect("clicked", self.on_new)
button[1].connect("clicked", self.on_open_file)
button[2].connect("clicked", self.on_save)
button[9].connect("clicked", self.on_find)
button[-1].connect("clicked", self.on_preferences)
def create_menubar(self):
"""建立一个菜单栏"""
mb = Gtk.MenuBar()
#文件菜单
filemenu = Gtk.Menu()
new = Gtk.MenuItem.new_with_label("新建")
filemenu.append(new)
openitem = Gtk.MenuItem.new_with_label("打开")
filemenu.append(openitem)
sep = Gtk.SeparatorMenuItem()
filemenu.append(sep)
save = Gtk.MenuItem.new_with_label("保存")
filemenu.append(save)
filem = Gtk.MenuItem.new_with_label("文件")
filem.set_submenu(filemenu)
mb.set_vexpand(False)
mb.append(filem)
#查看菜单
viewmenu = Gtk.Menu()
wrap = Gtk.MenuItem.new_with_label("自动换行")
viewmenu.append(wrap)
viewm = Gtk.MenuItem.new_with_label("查看")
viewm.set_submenu(viewmenu)
#语法加亮菜单
languagemenu = Gtk.Menu()
languagem = Gtk.MenuItem.new_with_label("语法高亮模式")
languagem.set_submenu(languagemenu)
textm = Gtk.MenuItem.new_with_label("纯文本")
languagemenu.append(textm)
#标记
markmenu = Gtk.Menu()
markm = Gtk.MenuItem.new_with_label("标记")
markm.set_submenu(markmenu)
languagemenu.append(markm)
BibTeXm = Gtk.MenuItem.new_with_label("BibTeX")
markmenu.append(BibTeXm)
Docbookm = Gtk.MenuItem.new_with_label("Docbook")
markmenu.append(Docbookm)
DTDm = Gtk.MenuItem.new_with_label("DTD")
markmenu.append(DTDm)
gtkdocm = Gtk.MenuItem.new_with_label("gtk-doc")
markmenu.append(gtkdocm)
Haddockm = Gtk.MenuItem.new_with_label("Haddock")
markmenu.append(Haddockm)
HTMLm = Gtk.MenuItem.new_with_label("HTML")
markmenu.append(HTMLm)
XMLm = Gtk.MenuItem.new_with_label("XML")
XMLm.connect("activate", self.set_language)
markmenu.append(XMLm)
#脚本
scriptmenu = Gtk.Menu()
scriptm = Gtk.MenuItem.new_with_label("脚本")
scriptm.set_submenu(scriptmenu)
languagemenu.append(scriptm)
Luam = Gtk.MenuItem.new_with_label("Lua")
scriptmenu.append(Luam)
Pythonm = Gtk.MenuItem.new_with_label("Python")
scriptmenu.append(Pythonm)
viewmenu.append(languagem)
mb.set_vexpand(False)
mb.append(viewm)
self.grid.attach(mb, 0, 0, 2, 1)
def set_language(self, menu = None):
src_view = self.notebook.get_nth_page(self.notebook.get_current_page()).get_child()
src_buffer = src_view.get_source_buffer()
manager = GtkSource.LanguageManager()
language = manager.get_language(menu.get_label())
src_buffer.set_language(language)
def create_notebook(self):
"""建立选项卡"""
self.notebook = Gtk.Notebook()
self.grid.attach(self.notebook, 0, 1, 2, 1)
def on_new(self, widget = None):
"""在这里新建一个文档"""
new_textview = BEditDocument()
new_textview.connect("changed", self.on_update_title)
new_scrolledwindow = Gtk.ScrolledWindow()
new_scrolledwindow.set_hexpand(True)
new_scrolledwindow.set_vexpand(True)
new_scrolledwindow.add(new_textview)
new_label = Gtk.Label("无标题文档")
self.notebook.append_page(new_scrolledwindow, new_label)
#切换到刚插入的一页
self.show_all()
self.notebook.set_current_page(self.notebook.get_n_pages()-1)
def on_open_file(self, widget):
dialog = Gtk.FileChooserDialog("打开文件", self,
Gtk.FileChooserAction.OPEN,
(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
Gtk.STOCK_OPEN, Gtk.ResponseType.OK))
self.add_filters(dialog)
response = dialog.run()
if response == Gtk.ResponseType.OK:
# 判断最后一个标签里面是否是空文档
last_doc = self.notebook.get_nth_page(-1).get_child()
if last_doc.filename != "无标题文档" or last_doc.change_number > 0 or last_doc.stext != "":
self.on_new()
last_doc = self.notebook.get_nth_page(-1).get_child()
last_doc.open(dialog.get_filename())
self.history.append(dialog.get_filename())
self.save_config()
dialog.destroy()
def on_save(self, widget = None):
cur_wid = self.notebook.get_nth_page(self.notebook.get_current_page()).get_child()
# 判断文件是否有文件名
if cur_wid.filepath == "":
dialog = Gtk.FileChooserDialog("另存为", self,
Gtk.FileChooserAction.SAVE,
(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
Gtk.STOCK_SAVE, Gtk.ResponseType.OK))
self.add_filters(dialog)
response = dialog.run()
if response == Gtk.ResponseType.OK:
cur_wid.save(dialog.get_filename())
self.history.append(dialog.get_filename())
self.save_config()
dialog.destroy()
else:
# 直接使用已经存在的文件名
filename = cur_wid.save()
self.history.append(filename)
self.save_config()
def on_find(self, widget = None):
dialog = SearchDialog(self)
response = dialog.run()
if response == Gtk.ResponseType.OK:
cursor_textbuffer = self.notebook.get_nth_page(self.notebook.get_current_page()).get_child().get_buffer()
cursor_mark = cursor_textbuffer.get_insert()
start = cursor_textbuffer.get_iter_at_mark(cursor_mark)
if start.get_offset() == self.textbuffer.get_char_count():
start = self.textbuffer.get_start_iter()
self.search_and_mark(dialog.entry.get_text(), start)
dialog.destroy()
def on_preferences(self, widget = None):
print """显示属性对话框"""
def on_update_title(self, widget = None):
"""更新标题栏"""
cw = self.notebook.get_nth_page(self.notebook.get_current_page())
cwt = cw.get_child()
if cwt.change_number == 0:
self.set_title(cwt.filename+" ("+cwt.filepath+") - bedit")
new_label = Gtk.Label(cwt.filename)
self.notebook.set_tab_label(cw, new_label)
else:
self.set_title("*" + cwt.filename+" ("+cwt.filepath+") - bedit")
new_label = Gtk.Label("*" + cwt.filename)
self.notebook.set_tab_label(cw, new_label)
new_label.set_name("BEditTabLabel")
def add_filters(self, dialog):
filter_text = Gtk.FileFilter()
filter_text.set_name("文本文件")
filter_text.add_mime_type("text/plain")
dialog.add_filter(filter_text)
filter_py = Gtk.FileFilter()
filter_py.set_name("Python 文件")
filter_py.add_mime_type("text/x-python")
dialog.add_filter(filter_py)
filter_any = Gtk.FileFilter()
filter_any.set_name("所有文件")
filter_any.add_mime_type("*")
dialog.add_filter(filter_any)
def set_style(self):
"""用来设置外观"""
style_provider = Gtk.CssProvider()
style_provider.load_from_path('/home/liu/.local/share/bedit/gtk-widgets3.css')
Gtk.StyleContext.add_provider_for_screen(
Gdk.Screen.get_default(),
style_provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
)
def load_config(self):
file_object = open(os.environ['HOME']+"/.local/share/bedit/config")
try:
for eachline in file_object:
els = eachline.split()
if els[0] == "wrap_mode":
if els[1] == "NONE":
self.wrap_mode = Gtk.WrapMode.NONE
if els[1] == "CHAR":
self.wrap_mode = Gtk.WrapMode.CHAR
if els[1] == "WORD":
self.wrap_mode = Gtk.WrapMode.WORD
if els[1] == "WORD_CHAR":
self.wrap_mode = Gtk.WrapMode.WORD_CHAR
elif els[0] == "width":
self.sizeWidth = string.atoi(els[1])
elif els[0] == "height":
self.sizeHeight = string.atoi(els[1])
else:
self.history.append(els[0])
finally:
file_object.close()
def save_config(self):
file_object = open(os.environ['HOME']+"/.local/share/bedit/config","w")
try:
if self.wrap_mode == Gtk.WrapMode.NONE:
file_object.write("wrap_mode NONE\n")
elif self.wrap_mode == Gtk.WrapMode.CHAR:
file_object.write("wrap_mode CHAR\n")
elif self.wrap_mode == Gtk.WrapMode.WORD:
file_object.write("wrap_mode WORD\n")
elif self.wrap_mode == Gtk.WrapMode.WORD_CHAR:
file_object.write("wrap_mode WORD_CHAR\n")
#保存大小
width, height = self.get_size()
file_object.write("width "+str(width)+"\n")
file_object.write("height "+str(height)+"\n")
for eachline in self.history:
file_object.write(eachline+'\n')
finally:
file_object.close()
def main_quit(self, widget, event, data=None):
self.save_config()
Gtk.main_quit()
class BEditDocument(GtkSource.View):
"""为 GtkSource.View 添加一些原来没有的东西。"""
def __init__(self):
GtkSource.View.__init__(self)
self.filename = "无标题文档"
self.filepath = ""
self.stext = ""
self.change_number = 0
#修改后的信号
self.get_buffer().connect("changed", self.text_change)
self.load_config()
self.buffer = GtkSource.Buffer()
self.sourceview = GtkSource.View.new_with_buffer(self.buffer)
def text_change(self, buffer):
text = buffer.get_text(buffer.get_start_iter(), buffer.get_end_iter(), False)
if self.stext == text:
if self.change_number > 0:
self.change_number = 0
#发出改变标题栏的信号
self.emit('changed')
#如果被修改了
else:
self.change_number = self.change_number+1
if self.change_number == 1:
self.emit('changed')
def open(self, filename):
# 在这里读取文件
file_object = open(filename)
try:
self.stext = file_object.read()
self.get_buffer().set_text(self.stext)
# 将绝对路径分解成路径和文件名
self.filepath , self.filename = os.path.split(filename)
self.emit('changed')
finally:
file_object.close()
def save(self, filename = ""):
"""在这里保存文件"""
if filename == "":
file_object = open(self.filepath + "/" + self.filename, 'w')
else:
file_object = open(filename, 'w')
self.filepath , self.filename = os.path.split(filename)
try:
self.stext = self.get_buffer().get_text(self.get_buffer().get_start_iter(), self.get_buffer().get_end_iter(), False)
file_object.write(self.stext)
# 将绝对路径分解成路径和文件名
self.change_number = 0
self.emit('changed')
finally:
file_object.close()
return self.filepath + "/" + self.filename
def load_config(self):
"""读取配置文件"""
file_object = open(os.environ['HOME']+"/.local/share/bedit/config")
try:
for eachline in file_object:
els = eachline.split()
if els[0] == "wrap_mode":
if els[1] == "NONE":
self.set_wrap_mode(Gtk.WrapMode.NONE)
if els[1] == "CHAR":
self.set_wrap_mode(Gtk.WrapMode.CHAR)
if els[1] == "WORD":
self.set_wrap_mode(Gtk.WrapMode.WORD)
if els[1] == "WORD_CHAR":
self.set_wrap_mode(Gtk.WrapMode.WORD_CHAR)
finally:
file_object.close()
if __name__ == "__main__":
win = TextViewWindow()
win.connect("delete-event", win.main_quit)
#win.show_all()
Gtk.main()[/python]
执行时显示：
代码： 全选
Traceback (most recent call last):
File "main.py", line 173, in set_language
src_buffer.set_language(language)
AttributeError: 'TextBuffer' object has no attribute 'set_language'
