python - ActionPrevious getting an unexpected background -

-

i've made rule in kv button class have specific background (provided in image). when created actionbar contains actionprevious , actionbutton widgets, both seemed same background.
, understand actionbutton instance got background, since inherits button , actionitem classes, why did actionprevious same background? inherits boxlayout , actionitem, neither of have button class. what's reason behind it?

also, side question
actionprevious has property with_previous which, when set true, adds clickable arrow. however, title of widget remains unclickable. docs property make whole widget clickable. while it's not big deal, i'd rather want entire actionprevious widget background change on press. possible achieve this?
mean when press arrow, space around , app icon turns blue, text doesn't, if it's part of different widget.

here code visualize question:

from kivy.base import runtouchapp kivy.lang import builder kivy.uix.actionbar import actionbar  builder.load_string(''' <button>:     background_normal: 'some_file.png'  <menubar>:     actionview:         actionprevious:             title: "log out"             with_previous: true         actionbutton:             text: "settings" ''') class menubar(actionbar):     pass  runtouchapp(menubar())

okay, truth in style.kv file. basically, actionprevious widget has following structure:

<actionprevious>:     gridlayout:         actionpreviousbutton:             gridlayout:                 actionpreviousimage:                     id: prev_icon_image  # "back" arrow                 actionpreviousimage:                     id: app_icon_image   # app icon                 widget:                     # perhaps split title gridlayout     label:         id: title                        # title

and actionpreviousbutton inherits button, that's why actionprevious arrow part getting background.

here lies answer side question. since clickable part actionpreviousbutton, , title kept in label, not child of it, text unclickable. fix that, 1 has create custom class , put label child of actionpreviousbutton.


Comments

Post a Comment

Popular posts from this blog

sequelize.js - Sequelize group by with association includes id -

-
so when requesting group sequelize follows: return models.workingcalendar .findall({ attributes: [ 'workingcalendar.periodid', 'workingcalendar.date', 'period.name' ], include: [ { model: models.period, attributes: [] } ], where: { getsudoid: currentgetsudo.id, unitplantid: unitplantid }, group: ['workingcalendar.periodid', 'workingcalendar.date', 'period.name'], }); sequelize run query: select [workingcalendar].[id], [workingcalendar].[periodid], [workingcalendar].[date], [period].[name] [workingcalendars] [workingcalendar] left outer join [periods] [period] on [wor...
Read more

delphi - Take screenshot in webcam using VFrames in Console Application -

-
i'm doing program take picture of webcam using delphi xe2 , vframes achieve this, problem have figured out, in graphic application works fine, when use unit in console application, returns me error saying first chance exception @ $76b6b727. exception class eaccessviolation message 'access violation @ address 004a271b in module 'console.exe'. read of address 00000260'. process console.exe (3676) my unit : unit webcam; interface uses sysutils, windows, vcl.imaging.jpeg, vcl.graphics, vsample, vframes, classes; type twebcam = class private procedure newvideoframeevent(sender: tobject; width, height: integer; dataptr: pointer); public constructor create; destructor destroy; override; procedure capture_webcam(take_name: string); end; var web_image: tvideoimage; name_screen: string; implementation constructor twebcam.create; begin inherited create; end; destructor twebcam.destroy; begin inherited destroy; end; ...
Read more

ubuntu - Executors lost when starting pyspark in YARN client mode -

-
i able run pyspark in yarn client mode in laptop , trying setup in laptop. however, time can't running. when try start pyspark in yarn client mode, gives me following error. using dynamic resource allocation, have set spark_executor_memory less yarn container memory. using hadoop 2.6.4, spark 1.6.1, ubuntu 15.10 is possible error due network issues? 16/06/12 01:49:34 info scheduler.dagscheduler: executor lost: 1 (epoch 0) in [1]: 16/06/12 01:49:34 info cluster.yarnclientschedulerbackend: disabling executor 1. 16/06/12 01:49:34 info storage.blockmanagermasterendpoint: trying remove executor 1 blockmanagermaster. 16/06/12 01:49:34 info storage.blockmanagermasterendpoint: removing block manager blockmanagerid(1, 192.168.2.16, 37900) 16/06/12 01:49:34 error client.transportclient: failed send rpc 9123554941984942265 192.168.2.16/192.168.2.16:47630: java.nio.channels.closedchannelexception java.nio.channels.closedchannelexception 16/06/12 01:49:34 info storage.blockmanagermast...
Read more