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UI-Lifecycle: note down reference point for this task in Gtk::Application

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Gio::Application holds a signal_activation(), which seems to be used for
precisely that task we need here: to do something right after the UI is operative
This commit is contained in:
Fischlurch 2018-08-03 01:41:34 +02:00
parent d3daed9a18
commit f33573daec
1 changed files with 59 additions and 32 deletions
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91
wiki/thinkPad.ichthyo.mm
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@ -13481,7 +13481,7 @@
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<node CREATED="1488566405248" ID="ID_355508260" MODIFIED="1518487921075" TEXT="auffinden der Command-IDs">
<node CREATED="1489191528425" ID="ID_1331796226" MODIFIED="1518487921075" TEXT="Neuer Service hierf&#xfc;r in Proc">
<node CREATED="1489191528425" ID="ID_1331796226" MODIFIED="1533253376724" TEXT="Neuer Service hierf&#xfc;r in Proc">
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<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1488677809297" ID="ID_1520540731" MODIFIED="1518487921075" TEXT="Problem: Zugang / Wiring">
@ -15880,7 +15880,7 @@
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1532788645307" ID="ID_254810710" MODIFIED="1532788655288" TEXT="Trigger-Technik kl&#xe4;ren">
<icon BUILTIN="pencil"/>
<node CREATED="1532788681197" FOLDED="true" ID="ID_32192034" MODIFIED="1533218445055" TEXT="bei GTK selber abschauen">
<node CREATED="1532788681197" ID="ID_32192034" MODIFIED="1533252687709" TEXT="bei GTK selber abschauen">
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@ -15933,51 +15933,71 @@
sondern Sachen wie verallgemeinerte &quot;Files&quot;, D-Bus-Connection etc etc
</p>
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<node CREATED="1533218310967" ID="ID_955496166" MODIFIED="1533218319204" TEXT="nicht mehr n&#xf6;tig">
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<node CREATED="1533218320846" ID="ID_533086066" MODIFIED="1533218324233" TEXT="abgebrochen"/>
<node CREATED="1533218324829" ID="ID_1592564377" MODIFIED="1533218328713" TEXT="nur noch zu dokumentieren"/>
</node>
<node CREATED="1533218330252" ID="ID_1616633221" MODIFIED="1533218339147" TEXT="hab&apos;s erraten">
<node CREATED="1533252714471" ID="ID_1128899175" MODIFIED="1533252726200" TEXT="Gtk::Application::run( Window&amp;)">
<node CREATED="1533252783548" ID="ID_1476873021" MODIFIED="1533252802635" TEXT="irgendwie hatte ich das in Erinnerung">
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<node CREATED="1533218355929" ID="ID_489375421" MODIFIED="1533218433083" TEXT="glaube ich...">
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<node CREATED="1533252737995" ID="ID_763153536" MODIFIED="1533252745030" TEXT="application.cc Zeile 160"/>
<node CREATED="1533252758840" ID="ID_346690959" MODIFIED="1533252777856" TEXT="signal_activate()">
<richcontent TYPE="NOTE"><html>
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<p>
will sagen,
&#160;&#160;//We cannot add and show the window until the GApplication::activate signal
</p>
<p>
ich gebe mir jetzt nicht mal mehr die M&#252;he,
&#160;&#160;//has been emitted, or we will crash because the application has not been
</p>
<p>
meine erratene L&#246;sung zu verifizieren.
</p>
<p>
</p>
<p>
Sie erscheint mir einfach so absolut offensichtlich,
</p>
<p>
da&#223; es keine weitere M&#252;he lohnt.
</p>
<p>
Glib::Dispatcher ist genau das richtige Ding f&#252;r diesen Zweck
&#160;&#160;//registered. (At least if window is an ApplicationWindow.)
</p>
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<node CREATED="1533252813376" ID="ID_1458058904" MODIFIED="1533252820105" TEXT="wer definiert das?">
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<node CREATED="1533252821175" ID="ID_1891535415" MODIFIED="1533253383339" TEXT="Gio::Application ??">
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<p>
The signal_activate() signal is emitted on the primary instance
</p>
<p>
when an&#160;activation occurs. See g_application_activate().
</p>
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<p>
g_application_activate()
</p>
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@ -16273,11 +16293,18 @@
<node CREATED="1533221813285" ID="ID_1627865297" MODIFIED="1533221816584" TEXT="aus logischen Gr&#xfc;nden"/>
<node CREATED="1533221818572" ID="ID_806537689" MODIFIED="1533221826270" TEXT="pa&#xdf;t auch thematisch dort hin"/>
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<icon BUILTIN="idea"/>
<node CREATED="1533223360183" ID="ID_1309454354" MODIFIED="1533252142536" TEXT="Idee">
<icon BUILTIN="button_cancel"/>
<node CREATED="1533223371534" ID="ID_891597430" MODIFIED="1533223376721" TEXT="UiDispatcher"/>
<node CREATED="1533223377381" ID="ID_1197977205" MODIFIED="1533223383568" TEXT="einfach eine weitere Instanz davon"/>
<node CREATED="1533223384180" ID="ID_141172630" MODIFIED="1533223387239" TEXT="geht das?"/>
<node CREATED="1533223384180" ID="ID_141172630" MODIFIED="1533252147479" TEXT="geht das?">
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<node CREATED="1533252148493" ID="ID_535856197" MODIFIED="1533252155392" TEXT="geht nicht">
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<node CREATED="1533252156737" ID="ID_945337228" MODIFIED="1533252171708" TEXT="Glib::Dispatcher ist nur eine FiFo"/>
<node CREATED="1533252172584" ID="ID_230437417" MODIFIED="1533252187890" TEXT="setzt zwingend voraus, da&#xdf; die Event-Loop schon l&#xe4;uft"/>
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