#!/usr/bin/env python
#
# gui.py
#
# (c) Copyright 2009 Michael Towers (larch42 at googlemail dot com)
#
# This file is part of the larch project.
#
# larch is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# larch is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with larch; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
#----------------------------------------------------------------------------
# 2010.03.22
from uipi import Uipi
import locale, os
# Try to work around problems when the system encoding is not utf8
encoding = locale.getdefaultlocale()[1]
if encoding == "UTF8":
encoding = None
class Ui(Uipi):
def __init__(self, guiexec):
if guiexec and os.path.isfile(base_dir + "/" + guiexec):
guiexec = base_dir + "/" + guiexec
Uipi.__init__(self, backend=guiexec, cwd=base_dir)
def init(self):
# Build the main window
self.widget("Window", ":larch", title="larch", size="700_500",
icon="images/larchicon.png", closesignal="$$$uiclose$$$")
# - Header
self.widget("Label", ":image", image="images/larch80.png")
self.widget("Label", ":header", html='%s
'
% _("larch Live Arch Linux Construction Kit"))
self.widget("Button", "^:showlog", text=_("View Log"),
tt=_("This button switches to the log viewer"))
self.widget("Button", "^:docs", text=_("Help"),
tt=_("This button switches to the documentation viewer"))
self.widget("Button", ":quit", text=_("Quit"),
tt=_("Stop the current action and quit the program"))
self.addsignal(":quit", "clicked", sname="$$$uiquit$$$")
# - Main widget
self.widget("Stack", ":tabs", pages=["tab:main",
"tab:progress", "tab:log", "tab:doc", "tab:edit"])
self.widget("Notebook", "^:notebook", tabs=[
(":page_settings", _("Project Settings")),
(":page_installation", _("Installation")),
(":page_larchify", _("Larchify")),
(":page_medium", _("Prepare Medium")),
(":page_tweaks", _("Installation Tweaks")),
])
self.layout(":larch", ["*VBOX*",
["*HBOX*", ":image",
["*VBOX*",
["*HBOX*", ":header", "*SPACE"],
["*HBOX*", ":showlog", ":docs",
"*SPACE", ":quit"],]],
":tabs"])
self.layout("tab:main", ["*VBOX*", ":notebook"])
self.progress = Progress()
self.logger = Logger()
self.docviewer = DocViewer()
self.editor = Editor()
self.setDisableWidgets(":larch", [":notebook"])
self.runningtab(0)
# A list-choice popup widget
self.listpopup = Popuplist()
self.popuplist = self.listpopup.popup
def go(self):
self.command(":larch.show")
def unbusy(self, ok=True):
# 'ok' is only used by the console interface
Uipi.unbusy(self)
def runningtab(self, i=-1):
if i < 0:
i = self.maintab
elif i < 2:
self.maintab = i
self.command(":tabs.set", i)
#TODO: progress bar?
class Progress:
def __init__(self):
self.active = False
ui.widget("Label", "progress:header",
html='%s
%s
' % (_("Processing ..."),
_("Here you can follow the detailed, low-level progress"
" of the commands.")))
ui.widget("TextEdit", "progress:text", ro=True)
ui.widget("LineEdit", "progress:progress", ro=True,
tt=_("An indication of the progress of the current operation, if possible"))
ui.widget("Button", "progress:cancel", text=_("Cancel"),
tt=_("Stop the current action"))
ui.widget("Button", "^progress:done", text=_("Done"))
ui.layout("tab:progress", ["*VBOX*", "progress:header",
["*HBOX*", "progress:text",
["*VBOX*", "progress:cancel",
"*SPACE", "progress:done"]],
"progress:progress"])
ui.addsignal("progress:cancel", "clicked", sname="$$$cancel$$$")
ui.addslot("progress:done*clicked", self._done)
def _done(self):
ui.runningtab(0)
def start(self):
ui.command("progress:text.x__text")
ui.command("progress:progress.x__text")
ui.command("progress:done.enable", False)
ui.command("progress:cancel.enable", True)
self.active = True
ui.runningtab(1)
def end(self):
ui.command("progress:cancel.enable", False)
ui.command("progress:done.enable", True)
self.active = False
def addLine(self, line):
# Try to work around problems when the system encoding is not utf8
if encoding:
line = line.decode(self.encoding, "replace").encode("UTF8")
ui.command("progress:text.append_and_scroll", line)
def set(self, text=""):
ui.command("progress:progress.x__text", text)
class Logger:
def __init__(self):
ui.widget("Label", "log:header",
html='%s
%s
' % (_("Low-level Command Logging"),
_("Here you can follow the detailed, low-level progress"
" of the commands.")))
ui.widget("TextEdit", "log:text", ro=True)
ui.widget("Button", "^log:clear", text=_("Clear"))
ui.widget("Button", "^log:hide", text=_("Hide"),
tt=_("Go back to the larch controls"))
ui.layout("tab:log", ["*VBOX*", "log:header",
["*HBOX*", "log:text",
["*VBOX*", "log:clear", "*SPACE", "log:hide"]]])
ui.addslot("log:clear*clicked", self.clear)
ui.addslot("log:hide*clicked", self._hide)
def clear(self):
ui.command("log:text.x__text")
def addLine(self, line):
# Try to work around problems when the system encoding is not utf8
if encoding:
line = line.decode(self.encoding, "replace").encode("UTF8")
ui.command("log:text.append_and_scroll", line)
def _hide(self):
ui.runningtab()
class DocViewer:
def __init__(self):
self.index = self._getPage("index.html")
self.home = None
ui.widget("Label", "doc:header",
html='%s
' % _("Documentation"))
ui.widget("HtmlView", "doc:content")
ui.widget("Button", "^doc:hide", text=_("Hide"),
tt=_("Go back to the larch controls"))
ui.widget("Button", "^doc:back", icon="left",
tt=_("Go back in the viewing history"))
ui.widget("Button", "^doc:forward", icon="right",
tt=_("Go forward in the viewing history"))
ui.widget("Button", "^doc:home", icon="reload",
tt=_("Reload the documentation for the current larch tab"))
ui.widget("Button", "^doc:parent", icon="up",
tt=_("Go to the general larch documentation index"))
ui.layout("tab:doc", ["*VBOX*", "*HLINE",
["*HBOX*", "doc:header", "*SPACE", "doc:back", "doc:forward",
"doc:home", "doc:parent", "doc:hide"],
"doc:content"])
command.addconnections([
("doc:hide*clicked", self._hide),
("doc:back*clicked", self._back),
("doc:forward*clicked", self._forward),
("doc:home*clicked", self.gohome),
("doc:parent*clicked", self.goto),
])
def _hide(self):
ui.runningtab()
def _back(self):
ui.command("doc:content.prev")
def _forward(self):
ui.command("doc:content.next")
def _getPage(self, page):
if lang and (len(lang) > 1):
p = base_dir + ("/docs/%s/html/" % lang[0:2]) + page
if os.path.isfile(p):
return p
return base_dir + "/docs/html/" + page
def gohome(self, home=None):
if home:
self.home = self._getPage(home)
self.goto(self.home)
def goto(self, path=None):
if not path:
path = self.index
ui.command("doc:content.setUrl", path)
class Editor:
def __init__(self):
ui.widget("Label", "edit:header",
html='%s
' % _("Editor"))
ui.widget("Label", "edit:title")
ui.widget("TextEdit", "edit:content")
ui.widget("Button", "^edit:ok", text=_("OK"))
ui.widget("Button", "^edit:cancel", text=_("Cancel"))
ui.widget("Button", "^edit:revert", text=_("Revert"),
tt=_("Restore the text to its initial state"))
ui.widget("Button", "^edit:copy", text=_("Copy"))
ui.widget("Button", "^edit:cut", text=_("Cut"))
ui.widget("Button", "^edit:paste", text=_("Paste"))
ui.widget("Button", "^edit:undo", text=_("Undo"))
ui.widget("Button", "^edit:redo", text=_("Redo"))
ui.layout("tab:edit", ["*VBOX*",
["*HBOX*", "edit:header", "*SPACE", "edit:title"],
["*HBOX*", "edit:content",
["*VBOX*", "edit:copy", "edit:cut", "edit:paste",
"edit:undo", "edit:redo", "edit:revert",
"*SPACE", "edit:cancel", "edit:ok"]]])
def start(self, title, endcall, text="", revert=None):
ui.command("edit:title.x__text", title)
self.endcall = endcall
self.revert = revert
try:
self.text0 = revert() if text == None else text
except:
run_error("BUG: Editor - no revert function?")
ui.command("edit:content.x__text", self.text0)
command.addconnections([
("edit:ok*clicked", self.ok),
("edit:cancel*clicked", self.cancel),
("edit:revert*clicked", self.dorevert),
("edit:copy*clicked", self.copy),
("edit:cut*clicked", self.cut),
("edit:paste*clicked", self.paste),
("edit:undo*clicked", self.undo),
("edit:redo*clicked", self.redo),
("$edit-done$", self.sendtext),
])
ui.runningtab(4)
def ok(self):
ui.asknowait("edit:content.get", "$edit-done$")
def sendtext(self, text):
self.endcall(text)
ui.runningtab()
def cancel(self):
ui.runningtab()
def dorevert(self):
if self.revert:
self.text0 = self.revert()
ui.command("edit:content.x__text", self.text0)
def copy(self):
ui.command("edit:content.copy")
def cut(self):
ui.command("edit:content.cut")
def paste(self):
ui.command("edit:content.paste")
def undo(self):
ui.command("edit:content.undo")
def redo(self):
ui.command("edit:content.redo")
class Popuplist:
def __init__(self):
ui.widget("Dialog", "popuplist", icon="images/larchicon.png")
ui.widget("Label", "popuplist:label")
ui.widget("ListChoice", "^popuplist:list")
ui.widget("DialogButtons", "popuplist:buttons",
buttons=("Save", "Discard"), dialog="popuplist")
ui.layout("popuplist", ["*VBOX*", "popuplist:label", "popuplist:list",
"popuplist:buttons"])
ui.addslot("popuplist:list*changed", self.callback)
def popup(self, items, index=0, title=_("Choose an item"),
text=_("Select one of the following items:")):
ui.command("popuplist.x__title", title)
ui.command("popuplist:label.x__text", text)
ui.command("popuplist:list.set", items, index)
self.choice = index
return (self.choice if ui.ask("popuplist.showmodal") else None)
def callback(self, i):
self.choice = i