#!/bin/python
from socket import TIPC_ADDR_NAME
from urllib.parse import scheme_chars
import Functions as fn
class AppFrameGUI:
def build_ui_frame(self, Gtk, vbox_stack, category, packages_list):
try:
# Lets set some variables that we know we will need later
# hboxes and items to make the page look sensible
cat_name = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=10)
seperator = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=10)
lbl1 = Gtk.Label(xalign=0)
lbl1.set_text(category)
lbl1.set_name("title")
hseparator = Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL)
seperator.pack_start(hseparator, True, True, 0)
cat_name.pack_start(lbl1, False, False, 0)
# Stack for the different subcategories - I like crossfade as a transition, but you choose
stack = Gtk.Stack()
stack.set_transition_type(Gtk.StackTransitionType.SLIDE_UP_DOWN)
stack.set_transition_duration(350)
stack.set_hhomogeneous(False)
stack.set_vhomogeneous(False)
# Stack needs a stack switcher to allow the user to make different choices
stack_switcher = Gtk.StackSwitcher()
stack_switcher.set_orientation(Gtk.Orientation.HORIZONTAL)
stack_switcher.set_stack(stack)
stack_switcher.set_homogeneous(True)
# We will need a vbox later for storing the stack and stack switcher together at the end
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
# create scroller for when/if these items go "off the page"
scrolled_switch = Gtk.ScrolledWindow()
scrolled_switch.add(stack_switcher)
# These lists will ensure that we can keep track of the individual windows and their names
# stack of vboxes
vbox_stacks = []
# name of each vbox - derived from the sub category name
vbox_stacknames = []
sep_text = " "
subcats = {}
# index for the grid
index = 0
"""
Store a list of unique sub-categories
e.g.
category --> applications
sub category --> Accessories
sub category --> Conky
"""
sub_catlabels = []
# store unique subcategory names into a dictionary
for package in packages_list:
subcats[package.subcategory] = package
# we now iterate across the dictionary keys
# each Stack has an associated subcategory
for subcat in subcats.keys():
vbox_stacks.append(
Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
)
# for the sub-cat page title
sub_catlabels.append(Gtk.Label(xalign=0))
vbox_stacknames.append(subcat)
# iterate across a list of packages
for package in packages_list:
if package.subcategory == subcat:
page = vbox_stacks.pop()
if len(sub_catlabels) > 0:
lbl_title = sub_catlabels.pop()
lbl_desc = Gtk.Label(xalign=0)
lbl_desc.set_markup(
"Description: "
+ package.subcategory_description
+ ""
)
lbl_title.set_markup("" + package.subcategory + "")
lbl_padding_page1 = Gtk.Label(xalign=0)
lbl_padding_page1.set_text("")
page.pack_start(lbl_title, False, False, 0)
page.pack_start(lbl_desc, False, False, 0)
page.pack_start(lbl_padding_page1, False, False, 0)
grid = Gtk.Grid()
grid.insert_row(index)
lbl_sep1 = Gtk.Label(xalign=0, yalign=0)
lbl_sep1.set_text(sep_text)
grid.attach(lbl_sep1, 0, index, 1, 1)
lbl_package = Gtk.Label(xalign=0, yalign=0) # was in for loop
lbl_package.set_markup("%s" % package.name)
###### switch widget starts ######
# construct new switch
switch = Gtk.Switch()
switch.set_valign(Gtk.Align.CENTER)
"""
Changed to use signal state-set for switch widget.
set_state(boolean) allows the switch state to be enabled/disabled.
When a pkg install/uninstall fails, the switch widget is enabled/disabled inside a thread.
Changing the switch using set_active(bool), and using the signal notify::active
caused a never-ending loop which would call app_toggle.
"""
switch.set_state(fn.query_pkg(package.name))
switch.connect(
"state-set",
self.app_toggle,
package,
)
# add switch widget to grid
# attach_next_to(child, sibling, side, width, height)
grid.attach_next_to(
switch, lbl_sep1, Gtk.PositionType.LEFT, 1, 1
)
# add space seperator next to switch
lbl_sep_switch = Gtk.Label(xalign=0, yalign=0)
lbl_sep_switch.set_text(sep_text)
grid.attach_next_to(
lbl_sep_switch, switch, Gtk.PositionType.LEFT, 1, 1
)
###### switch widget ends ######
###### pkg name label widget starts ######
lbl_sep_package1 = Gtk.Label(xalign=0, yalign=0)
lbl_sep_package1.set_text(sep_text)
# add space seperator next to switch for extra padding
grid.attach_next_to(
lbl_sep_package1, switch, Gtk.PositionType.RIGHT, 1, 1
)
lbl_sep_package2 = Gtk.Label(xalign=0, yalign=0)
lbl_sep_package2.set_text(sep_text)
# add pkg name label widget to grid
grid.attach_next_to(
lbl_package, lbl_sep_package1, Gtk.PositionType.RIGHT, 1, 1
)
###### pkg name label widget ends
###### pkg desc label widget starts ######
lbl_sep_package_desc = Gtk.Label(xalign=0, yalign=0)
lbl_sep_package_desc.set_text(sep_text)
# add space seperator next to pkg name for extra padding
grid.attach_next_to(
lbl_sep_package_desc,
lbl_package,
Gtk.PositionType.RIGHT,
1,
1,
)
lbl_package_desc = Gtk.Label(xalign=0, yalign=0)
lbl_package_desc.set_text(package.description)
# add pkg desc label widget to grid
grid.attach_next_to(
lbl_package_desc,
lbl_sep_package_desc,
Gtk.PositionType.RIGHT,
1,
1,
)
###### pkg desc label widget ends
##### add pkg version label widget starts #####
if self.display_versions is True:
lbl_package_version = Gtk.Label(xalign=0, yalign=0)
lbl_package_version.set_text(package.version)
lbl_package_version.set_name("lbl_package_version")
lbl_sep_package_version = Gtk.Label(xalign=0, yalign=0)
lbl_sep_package_version.set_text(sep_text)
grid.attach_next_to(
lbl_sep_package_version,
lbl_package_desc,
Gtk.PositionType.RIGHT,
1,
1,
)
grid.attach_next_to(
lbl_package_version,
lbl_sep_package_version,
Gtk.PositionType.RIGHT,
1,
1,
)
##### pkg version ends #####
# make the page scrollable
grid_sc = Gtk.ScrolledWindow()
# hide the horizontal scrollbar showing on each grid row if the window width is resized
grid_sc.set_policy(
Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC
)
grid_sc.add(grid)
grid_sc.set_propagate_natural_height(True)
# pack the grid to the page.
page.pack_start(grid_sc, True, True, 0)
# save the page - put it back (now populated)
"""
UI note.
To remove the extra padding around the switch buttons
Comment out the references to grid_sc
Then just have page.pack_start(grid,True, True, 0)
"""
vbox_stacks.append(page)
# reset the things that we need to.
# packages.clear()
grid = Gtk.Grid()
index += 1
# Now we pack the stack
item_num = 0
for item in vbox_stacks:
stack.add_titled(
item,
"stack" + str(item_num),
vbox_stacknames[item_num],
)
item_num += 1
# Place the stack switcher and the stack together into a vbox
vbox.pack_start(scrolled_switch, False, False, 0)
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.set_propagate_natural_height(True)
scrolled_window.add(stack)
vbox.pack_start(scrolled_window, True, True, 0)
# Stuff the vbox with the title and seperator to create the page
vbox_stack.pack_start(cat_name, False, False, 0)
vbox_stack.pack_start(seperator, False, False, 0)
vbox_stack.pack_start(vbox, False, False, 0)
except Exception as e:
fn.logger.error("Exception in App_Frame_GUI.GUI(): %s" % e)