Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
I did a maybe less dirty workaround yesterday:
function openWelcomeDialog()
{
console.log("working!")
if (status == PageStatus.Active)
{
mainPage.statusChanged.disconnect(openWelcomeDialog)
var component = Qt.createComponent("WelcomeDialog.qml")
var popup = component.createObject(mainPage)
popup.open()
}
}
Component.onCompleted: mainPage.statusChanged.connect(openWelcomeDialog)
This way The check will be done only 4 times in my case and not each time
something happens with the Page.
Note, that queuing would be a great idea. In my case the busy check was
false (pageStack wasn't busy) but a while after it was and Dialog couldn't
be pushed.
--
Marcin
2014-07-17 0:50 GMT+02:00 Matthew Vogt :
> Yes, fair point.
>
> IIRC, we decided there weren't enough motivating examples to make it worth
> adding action-queueing behaviour to the PageStack. If people keep hitting
> this problem, though, it could be worth revisiting.
>
> That said, working around the problem is usually simple, and making the
> PageStack support more complicated API patterns could lead users to get
> themselves into deeper trouble, that's harder to diagnose and fix :-)
>
> Matt
>
> From: devel-boun...@lists.sailfishos.org [
> devel-boun...@lists.sailfishos.org] on behalf of J-P Nurmi [
> jpnu...@gmail.com]
> Sent: Thursday, July 17, 2014 7:45 AM
> To: Sailfish OS Developers
> Subject: Re: [SailfishDevel] A welcome dialog and pageStack's operation in
> progress.
>
> On Wed, Jul 16, 2014 at 11:25 PM, Matthew Vogt
> wrote:
> >
> > Hi, 'Page.status' is the correct property to watch for avoiding this
> problem.
> >
> > Here is an example of what you could do:
> >
> > import QtQuick 2.0
> > import Sailfish.Silica 1.0
> >
> > ApplicationWindow {
> >
> > initialPage: Component {
> > Page {
> > anchors.fill: parent
> >
> > Label {
> > anchors.centerIn: parent
> > text: 'Main page'
> > }
> >
> > property bool showSplash: true
> > onStatusChanged: {
> > if (status == PageStatus.Active &&
> showSplash) {
> > showSplash = false
> > pageStack.push(splashPage)
> > }
> > }
> > }
> > }
> >
> > Component {
> > id: splashPage
> >
> > Page {
> > Label {
> > anchors.centerIn: parent
> > text: 'Splash page'
> > }
> > }
> > }
> > }
> >
> > Thanks,
> > Matt
>
>
> Hi Matt,
>
> Notice that essentially the same problem occurs when a dialog/page is
> triggered by an external event. User navigates the UI meanwhile eg. a
> network event triggers a dialog => PageStack is busy so it just bails
> out and user misses the dialog. As a workaround, waiting until
> PageStack is no longer busy gets pretty ugly.
>
> --
> J-P Nurmi
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
Yes, fair point.
IIRC, we decided there weren't enough motivating examples to make it worth
adding action-queueing behaviour to the PageStack. If people keep hitting this
problem, though, it could be worth revisiting.
That said, working around the problem is usually simple, and making the
PageStack support more complicated API patterns could lead users to get
themselves into deeper trouble, that's harder to diagnose and fix :-)
Matt
From: devel-boun...@lists.sailfishos.org [devel-boun...@lists.sailfishos.org]
on behalf of J-P Nurmi [jpnu...@gmail.com]
Sent: Thursday, July 17, 2014 7:45 AM
To: Sailfish OS Developers
Subject: Re: [SailfishDevel] A welcome dialog and pageStack's operation in
progress.
On Wed, Jul 16, 2014 at 11:25 PM, Matthew Vogt wrote:
>
> Hi, 'Page.status' is the correct property to watch for avoiding this problem.
>
> Here is an example of what you could do:
>
> import QtQuick 2.0
> import Sailfish.Silica 1.0
>
> ApplicationWindow {
>
> initialPage: Component {
> Page {
> anchors.fill: parent
>
> Label {
> anchors.centerIn: parent
> text: 'Main page'
> }
>
> property bool showSplash: true
> onStatusChanged: {
> if (status == PageStatus.Active &&
> showSplash) {
> showSplash = false
> pageStack.push(splashPage)
> }
> }
> }
> }
>
> Component {
> id: splashPage
>
> Page {
> Label {
> anchors.centerIn: parent
> text: 'Splash page'
> }
> }
> }
> }
>
> Thanks,
> Matt
Hi Matt,
Notice that essentially the same problem occurs when a dialog/page is
triggered by an external event. User navigates the UI meanwhile eg. a
network event triggers a dialog => PageStack is busy so it just bails
out and user misses the dialog. As a workaround, waiting until
PageStack is no longer busy gets pretty ugly.
--
J-P Nurmi
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
On Wed, Jul 16, 2014 at 11:25 PM, Matthew Vogt wrote:
>
> Hi, 'Page.status' is the correct property to watch for avoiding this problem.
>
> Here is an example of what you could do:
>
> import QtQuick 2.0
> import Sailfish.Silica 1.0
>
> ApplicationWindow {
>
> initialPage: Component {
> Page {
> anchors.fill: parent
>
> Label {
> anchors.centerIn: parent
> text: 'Main page'
> }
>
> property bool showSplash: true
> onStatusChanged: {
> if (status == PageStatus.Active &&
> showSplash) {
> showSplash = false
> pageStack.push(splashPage)
> }
> }
> }
> }
>
> Component {
> id: splashPage
>
> Page {
> Label {
> anchors.centerIn: parent
> text: 'Splash page'
> }
> }
> }
> }
>
> Thanks,
> Matt
Hi Matt,
Notice that essentially the same problem occurs when a dialog/page is
triggered by an external event. User navigates the UI meanwhile eg. a
network event triggers a dialog => PageStack is busy so it just bails
out and user misses the dialog. As a workaround, waiting until
PageStack is no longer busy gets pretty ugly.
--
J-P Nurmi
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
Hi, 'Page.status' is the correct property to watch for avoiding this problem.
Here is an example of what you could do:
import QtQuick 2.0
import Sailfish.Silica 1.0
ApplicationWindow {
initialPage: Component {
Page {
anchors.fill: parent
Label {
anchors.centerIn: parent
text: 'Main page'
}
property bool showSplash: true
onStatusChanged: {
if (status == PageStatus.Active && showSplash) {
showSplash = false
pageStack.push(splashPage)
}
}
}
}
Component {
id: splashPage
Page {
Label {
anchors.centerIn: parent
text: 'Splash page'
}
}
}
}
Thanks,
Matt
From: devel-boun...@lists.sailfishos.org [devel-boun...@lists.sailfishos.org]
on behalf of Andrey Kozhevnikov [coderusin...@gmail.com]
Sent: Wednesday, July 16, 2014 7:01 PM
To: devel@lists.sailfishos.org
Subject: Re: [SailfishDevel] A welcome dialog and pageStack's operation in
progress.
do not use onCompleted in this case. use status == PageStatus.Active instead
16.07.2014 14:58, Marcin M. пишет:
I'd like to open a welcome dialog at startup which can be disabled by a user.
Page
{
id: mainPage
function openWelcomeDialog()
{
var component = Qt.createComponent("WelcomeDialog.qml")
var popup = component.createObject(mainPage)
popup.open()
}
Component.onCompleted: openWelcomeDialog()
// ...
}
In fact
[W] unknown:90 - file:///usr/lib/qt5/qml/Sailfish/Silica/PageStack.js:90:
Error: Cannot push while operation is in progress: push
happens.
What's done wrong?
--
Marcin
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
Sorry Marcin, misread the name :)
2014-07-16 18:55 GMT+06:00 Dmitriy Purgin :
> Hi Martin,
>
> I had the same issue while dealing with a similar problem where start
> page was showing BusyIndicator while the application is loading. What
> I did is connected to Component.onCompleted in ApplicationWindow,
> start the initialization procedure and replace the page after
> initialization is done:
>
> // main.qml
>
> ApplicationWindow
> {
> Component.onCompleted: {
> pageStack.push(Qt.resolvedUrl("pages/Loader.qml"))
> myApp.initialize(); // call of an exposed C++ method
> }
> }
>
> // Loader.qml:
>
> Page {
> BusyIndicator {
> running: myApp.initializing // Q_PROPERTY exposed in C++ class
> }
> onRunningChanged: {
> if (!running)
> pageStack.replace(Qt.resolvedUrl("FirstPage.qml"))
> }
> }
>
> I think you can add both of your pages in Component.onCompleted() of
> the ApplicationWindow and switch between them in runtime.
>
> Cheers
>
> 2014-07-16 18:45 GMT+06:00 Marcin M. :
>> Take back what I said. The workaround doesn't work. :P
>>
>> --
>> Marcin
>>
>>
>> 2014-07-16 14:42 GMT+02:00 Marcin M. :
>>
>>> This way the dialog opens after closing the dialog. Worked it around by
>>>
>>>
>>> Component.onCompleted:
>>> {
>>> while (status != PageStatus.Active) {}
>>> openWelcomeDialog()
>>> }
>>>
>>> --
>>> Marcin
>>>
>>>
>>> 2014-07-16 11:01 GMT+02:00 Andrey Kozhevnikov :
>>>
do not use onCompleted in this case. use status == PageStatus.Active
instead
16.07.2014 14:58, Marcin M. пишет:
I'd like to open a welcome dialog at startup which can be disabled by a
user.
Page
{
id: mainPage
function openWelcomeDialog()
{
var component = Qt.createComponent("WelcomeDialog.qml")
var popup = component.createObject(mainPage)
popup.open()
}
Component.onCompleted: openWelcomeDialog()
// ...
}
In fact
[W] unknown:90 - file:///usr/lib/qt5/qml/Sailfish/Silica/PageStack.js:90:
Error: Cannot push while operation is in progress: push
happens.
What's done wrong?
--
Marcin
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>>>
>>>
>>
>>
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
Hi Martin,
I had the same issue while dealing with a similar problem where start
page was showing BusyIndicator while the application is loading. What
I did is connected to Component.onCompleted in ApplicationWindow,
start the initialization procedure and replace the page after
initialization is done:
// main.qml
ApplicationWindow
{
Component.onCompleted: {
pageStack.push(Qt.resolvedUrl("pages/Loader.qml"))
myApp.initialize(); // call of an exposed C++ method
}
}
// Loader.qml:
Page {
BusyIndicator {
running: myApp.initializing // Q_PROPERTY exposed in C++ class
}
onRunningChanged: {
if (!running)
pageStack.replace(Qt.resolvedUrl("FirstPage.qml"))
}
}
I think you can add both of your pages in Component.onCompleted() of
the ApplicationWindow and switch between them in runtime.
Cheers
2014-07-16 18:45 GMT+06:00 Marcin M. :
> Take back what I said. The workaround doesn't work. :P
>
> --
> Marcin
>
>
> 2014-07-16 14:42 GMT+02:00 Marcin M. :
>
>> This way the dialog opens after closing the dialog. Worked it around by
>>
>>
>> Component.onCompleted:
>> {
>> while (status != PageStatus.Active) {}
>> openWelcomeDialog()
>> }
>>
>> --
>> Marcin
>>
>>
>> 2014-07-16 11:01 GMT+02:00 Andrey Kozhevnikov :
>>
>>> do not use onCompleted in this case. use status == PageStatus.Active
>>> instead
>>>
>>> 16.07.2014 14:58, Marcin M. пишет:
>>>
>>> I'd like to open a welcome dialog at startup which can be disabled by a
>>> user.
>>>
>>> Page
>>> {
>>> id: mainPage
>>> function openWelcomeDialog()
>>> {
>>> var component = Qt.createComponent("WelcomeDialog.qml")
>>> var popup = component.createObject(mainPage)
>>> popup.open()
>>> }
>>>
>>> Component.onCompleted: openWelcomeDialog()
>>> // ...
>>> }
>>>
>>> In fact
>>>
>>> [W] unknown:90 - file:///usr/lib/qt5/qml/Sailfish/Silica/PageStack.js:90:
>>> Error: Cannot push while operation is in progress: push
>>>
>>> happens.
>>>
>>>
>>> What's done wrong?
>>>
>>> --
>>> Marcin
>>>
>>>
>>> ___
>>> SailfishOS.org Devel mailing list
>>> To unsubscribe, please send a mail to
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>>>
>>>
>>>
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>>
>>
>
>
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
In this case you'd better connect to pageStack.busyChanged :) and wait
while pageStack.busy
16.07.2014 18:42, Marcin M. ?:
This way the dialog opens after closing the dialog. Worked it around by
Component.onCompleted:
{
while (status != PageStatus.Active) {}
openWelcomeDialog()
}
--
Marcin
2014-07-16 11:01 GMT+02:00 Andrey Kozhevnikov >:
do not use onCompleted in this case. use status ==
PageStatus.Active instead
16.07.2014 14:58, Marcin M. ?:
I'd like to open a welcome dialog at startup which can be
disabled by a user.
Page
{
id: mainPage
function openWelcomeDialog()
{
var component = Qt.createComponent("WelcomeDialog.qml")
var popup = component.createObject(mainPage)
popup.open()
}
Component.onCompleted: openWelcomeDialog()
// ...
}
In fact
[W] unknown:90 -
file:///usr/lib/qt5/qml/Sailfish/Silica/PageStack.js:90: Error:
Cannot push while operation is in progress: push
happens.
What's done wrong?
--
Marcin
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
Take back what I said. The workaround doesn't work. :P
--
Marcin
2014-07-16 14:42 GMT+02:00 Marcin M. :
> This way the dialog opens after closing the dialog. Worked it around by
>
>
> Component.onCompleted:
> {
> while (status != PageStatus.Active) {}
> openWelcomeDialog()
> }
>
> --
> Marcin
>
>
> 2014-07-16 11:01 GMT+02:00 Andrey Kozhevnikov :
>
> do not use onCompleted in this case. use status == PageStatus.Active
>> instead
>>
>> 16.07.2014 14:58, Marcin M. пишет:
>>
>> I'd like to open a welcome dialog at startup which can be disabled by a
>> user.
>>
>> Page
>> {
>> id: mainPage
>> function openWelcomeDialog()
>> {
>> var component = Qt.createComponent("WelcomeDialog.qml")
>> var popup = component.createObject(mainPage)
>> popup.open()
>> }
>>
>> Component.onCompleted: openWelcomeDialog()
>> // ...
>> }
>>
>> In fact
>>
>> [W] unknown:90 - file:///usr/lib/qt5/qml/Sailfish/Silica/PageStack.js:90:
>> Error: Cannot push while operation is in progress: push
>>
>> happens.
>>
>>
>> What's done wrong?
>>--
>> Marcin
>>
>>
>> ___
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>>
>>
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
This way the dialog opens after closing the dialog. Worked it around by
Component.onCompleted:
{
while (status != PageStatus.Active) {}
openWelcomeDialog()
}
--
Marcin
2014-07-16 11:01 GMT+02:00 Andrey Kozhevnikov :
> do not use onCompleted in this case. use status == PageStatus.Active
> instead
>
> 16.07.2014 14:58, Marcin M. пишет:
>
> I'd like to open a welcome dialog at startup which can be disabled by a
> user.
>
> Page
> {
> id: mainPage
> function openWelcomeDialog()
> {
> var component = Qt.createComponent("WelcomeDialog.qml")
> var popup = component.createObject(mainPage)
> popup.open()
> }
>
> Component.onCompleted: openWelcomeDialog()
> // ...
> }
>
> In fact
>
> [W] unknown:90 - file:///usr/lib/qt5/qml/Sailfish/Silica/PageStack.js:90:
> Error: Cannot push while operation is in progress: push
>
> happens.
>
>
> What's done wrong?
>--
> Marcin
>
>
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Re: [SailfishDevel] A welcome dialog and pageStack's operation in progress.
do not use onCompleted in this case. use status == PageStatus.Active instead
16.07.2014 14:58, Marcin M. ?:
I'd like to open a welcome dialog at startup which can be disabled by
a user.
Page
{
id: mainPage
function openWelcomeDialog()
{
var component = Qt.createComponent("WelcomeDialog.qml")
var popup = component.createObject(mainPage)
popup.open()
}
Component.onCompleted: openWelcomeDialog()
// ...
}
In fact
[W] unknown:90 -
file:///usr/lib/qt5/qml/Sailfish/Silica/PageStack.js:90: Error: Cannot
push while operation is in progress: push
happens.
What's done wrong?
--
Marcin
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[SailfishDevel] A welcome dialog and pageStack's operation in progress.
I'd like to open a welcome dialog at startup which can be disabled by a
user.
Page
{
id: mainPage
function openWelcomeDialog()
{
var component = Qt.createComponent("WelcomeDialog.qml")
var popup = component.createObject(mainPage)
popup.open()
}
Component.onCompleted: openWelcomeDialog()
// ...
}
In fact
[W] unknown:90 - file:///usr/lib/qt5/qml/Sailfish/Silica/PageStack.js:90:
Error: Cannot push while operation is in progress: push
happens.
What's done wrong?
--
Marcin
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