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draft generic decorator to make a widget flash

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not finished, having problems with Lumiera's stylesheet
This commit is contained in:
Fischlurch 2018-10-04 04:06:30 +02:00
parent 5aa28626ad
commit fb4d9be2b4
6 changed files with 371 additions and 26 deletions
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2
src/gui/model/expander-revealer.hpp
View file

@ -35,7 +35,7 @@
** ## Usage in the default implementation
**
** The base class of all [tangible UI elements](\ref Tangible) provides a default implementation
** for these generic interaction mechanism: It offers slots to connect UI signals against, and
** for these generic interaction mechanisms: It offers slots to connect UI signals against, and
** it understands the \em `mark` messages `"expand"` and `"revealYourself"`. These are implemented
** by delegating to the \ref Expander and \ref Revealer functors respectively. Moreover, this
** default implementation automatically detects a resulting state change and emits an appropriate

93
src/gui/model/flash-deco.hpp Normal file
View file

@ -0,0 +1,93 @@
/*
FLASH-DECO.hpp - widget decorator to add a visual flash action
Copyright (C) Lumiera.org
2018, Hermann Vosseler <Ichthyostega@web.de>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file flash-deco.hpp
** Decorator to add the ability to display a visual flash action to a GTK widget.
** The protocol for operating UI elements connected to the [UI-Bus](\ref ui-bus.hpp) includes
** a message to make the receiving widget flash for a short time, to mandate the users attention.
** The visual change itself is effected by adding a CSS class, while adding a timeout callback
** to revert to normal display after a short timespan. In itself, this modification sequence
** is entirely generic, and can thus be added by decorating the widget to affect; moreover,
** adding such a callback need to be done properly, to avoid a crash in case the widget
** is destroyed during the timeout period.
**
** @see [UI-Element protocol](\ref tangible.hpp)
** @see [usage example](\ref error-log-display.hpp)
**
*/
#ifndef GUI_MODEL_FLASH_DECO_H
#define GUI_MODEL_FLASH_DECO_H
#include "gui/gtk-base.hpp"
#include "gui/style-scheme.hpp"
//#include <utility>
namespace gui {
namespace model {
// using std::move;
/**
* Decorator for a Gtk::Widget to add a visual flash action.
* @tparam WIT type of the target widget to decorate. All ctors are passed through.
* @remark invoke the #flash function to trigger
*/
template<class WIT>
class FlashDeco
{
static_assert (std::is_base_of<Gtk::Widget, WIT>()
,"wrapped target type required to be a Gtk::Widget");
public:
using WIT::WIT;
void
flash()
{
auto styleContext = this->get_style_context();
styleContext->add_class (CSS_CLASS_FLASH);
Glib::signal_timeout()
.connect_once (sigc::mem_fun(*this, &FlashDeco::flashback)
,STYLE_FLASH_DURATION_in_ms
,Glib::PRIORITY_LOW); // after all pending drawing tasks
}
private:
void
flashback()
{
auto styleContext = this->get_style_context();
styleContext->remove_class (CSS_CLASS_FLASH);
}
};
}} // namespace gui::model
#endif /*GUI_MODEL_FLASH_DECO_H*/

44
src/gui/style-scheme.cpp Normal file
View file

@ -0,0 +1,44 @@
/*
StyleScheme - magic keys to access uniform styling scheme
Copyright (C) Lumiera.org
2018, Hermann Vosseler <Ichthyostega@web.de>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
/** @file style-scheme.hpp
** Definition of access keys for uniform UI styling.
**
** @see gui::workspace::UiStyle
**
*/
#include "gui/gtk-base.hpp"
#include "gui/style-scheme.hpp"
namespace gui {
const Literal TAG_ERROR{"ERROR"}; ////////////////////////////////////////////////////////////TICKET #1168 : find a way to manage style of custom extended UI elements
const Literal TAG_WARN{"WARN"};
cuString CSS_CLASS_FLASH{"indication_flash"};
const uint STYLE_FLASH_DURATION_in_ms = 1100;
}// namespace gui

58
src/gui/style-scheme.hpp Normal file
View file

@ -0,0 +1,58 @@
/*
STYLE_SCHEME.hpp - magic keys to access uniform styling scheme
Copyright (C) Lumiera.org
2018, Hermann Vosseler <Ichthyostega@web.de>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file style-scheme.hpp
** Hard wired key constants to access a global uniform styling scheme.
**
** @todo as or 10/2018 this is mere placeholder code. The StyleManager needs rework
**
** @see ui-style.hpp
**
*/
#ifndef GUI_STYLE_SCHEME_H
#define GUI_STYLE_SCHEME_H
#include "lib/symbol.hpp"
namespace Glib {
class ustring;
}
namespace gui {
using lib::Literal;
using cuString = const Glib::ustring;
extern const Literal TAG_ERROR; ////////////////////////////////////////////////////////TICKET #1168 : find a way to manage style of custom extended UI elements
extern const Literal TAG_WARN;
extern cuString CSS_CLASS_FLASH;
extern const uint STYLE_FLASH_DURATION_in_ms;
}// namespace gui
#endif /*GUI_STYLE_SCHEME_H*/

5
src/gui/widget/error-log-display.hpp
View file

@ -60,6 +60,7 @@
#define GUI_WIDGET_ERROR_LOG_DISPLAY_H
#include "gui/gtk-base.hpp"
#include "gui/style-scheme.hpp"
#include "gui/model/expander-revealer.hpp"
#include "include/gui-notification-facade.h"
#include "lib/format-string.hpp"
@ -83,10 +84,6 @@ namespace widget {
namespace {
const Literal TAG_ERROR{"ERROR"}; /////////////////////////////////////////////////////////////TICKET #1168 : find a way to manage style of custom extended UI elements
const Literal TAG_WARN{"WARN"};
using Tag = Glib::RefPtr<Gtk::TextBuffer::Tag>;
/**

195
wiki/thinkPad.ichthyo.mm
View file

@ -2095,12 +2095,21 @@
<icon BUILTIN="idea"/>
</node>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1537661799354" ID="ID_758790930" MODIFIED="1538263469669" TEXT="Style-Manager vorsehen">
<node COLOR="#338800" CREATED="1537661799354" ID="ID_758790930" MODIFIED="1538589740205" TEXT="Style-Manager vorsehen">
<arrowlink COLOR="#8f81b2" DESTINATION="ID_407535546" ENDARROW="Default" ENDINCLINATION="3769;-2728;" ID="Arrow_ID_1203118148" STARTARROW="None" STARTINCLINATION="-1594;0;"/>
<linktarget COLOR="#b3a9c1" DESTINATION="ID_758790930" ENDARROW="Default" ENDINCLINATION="96;-5;" ID="Arrow_ID_1283375190" SOURCE="ID_1053927695" STARTARROW="None" STARTINCLINATION="-17;39;"/>
<linktarget COLOR="#877796" DESTINATION="ID_758790930" ENDARROW="Default" ENDINCLINATION="315;0;" ID="Arrow_ID_564282272" SOURCE="ID_951505172" STARTARROW="None" STARTINCLINATION="649;0;"/>
<icon BUILTIN="button_ok"/>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1538588393995" HGAP="214" ID="ID_828368967" MODIFIED="1538589740205" TEXT="#1168 : find a way to manage style of custom extended UI elements" VSHIFT="19">
<icon BUILTIN="flag-yellow"/>
</node>
<node COLOR="#435e98" CREATED="1538588393995" FOLDED="true" HGAP="212" ID="ID_47427991" MODIFIED="1538589740205" TEXT="geeignetes Aufrufmuster schon mal angelegt" VSHIFT="-1">
<icon BUILTIN="button_ok"/>
<node CREATED="1538588510003" ID="ID_217668977" MODIFIED="1538588519598" TEXT="anscheinend geht hier nix per CSS"/>
<node CREATED="1538588520377" ID="ID_178600292" MODIFIED="1538588531044" TEXT="daher: Tags per Name einf&#xfc;gen"/>
<node CREATED="1538588531824" ID="ID_1287551637" MODIFIED="1538588544522" TEXT="Tags zentral populieren"/>
</node>
</node>
</node>
<node COLOR="#338800" CREATED="1537571928143" ID="ID_221069673" MODIFIED="1538263469669" TEXT="Tag f&#xfc;r Warnung">
<icon BUILTIN="button_ok"/>
@ -2257,13 +2266,105 @@
<icon BUILTIN="flag-yellow"/>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1534725283337" ID="ID_1256364821" MODIFIED="1538263469669" TEXT="farbigen Rahmen">
<icon BUILTIN="flag-yellow"/>
<node CREATED="1534725366734" ID="ID_951505172" MODIFIED="1538263469670" TEXT="vorl&#xe4;ufig feste Farbe">
<node CREATED="1534725366734" ID="ID_951505172" MODIFIED="1538618155829" TEXT="verwende zus&#xe4;tzliche Klasse">
<arrowlink COLOR="#877796" DESTINATION="ID_758790930" ENDARROW="Default" ENDINCLINATION="315;0;" ID="Arrow_ID_564282272" STARTARROW="None" STARTINCLINATION="649;0;"/>
<icon BUILTIN="yes"/>
</node>
<node CREATED="1538618157537" ID="ID_1728464265" MODIFIED="1538618167395" TEXT="Problem: kaputtes Stylesheet">
<node CREATED="1538618179734" ID="ID_1693288014" MODIFIED="1538618198551" TEXT="das Lumiera-eigene Stylesheet funktioniert praktisch gar nicht mehr"/>
<node CREATED="1538618201035" ID="ID_1034140537" MODIFIED="1538618349191" TEXT="...seitdem die Engine &apos;Adwaitha&apos; nicht mehr gefunden wird">
<richcontent TYPE="NOTE"><html>
<head>
</head>
<body>
<p>
ca 2014 finde ich einige Blog-Eintr&#228;ge, da&#223; jetzt keine Theming-Engine mehr notwendig ist,
</p>
<p>
weil man alles per CSS machen kann. Seit Jessie findet GTK die Engine nicht mehr,
</p>
<p>
obwohl das Standard-Theme-Paket installiert ist.
</p>
<p>
</p>
<p>
Dummerweise funktioniert nun aber auch das &#220;bersteuern mit unseren Farben nicht mehr
</p>
</body>
</html>
</richcontent>
</node>
</node>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1534725292080" ID="ID_1462887421" MODIFIED="1538263469670" TEXT="timeout setzen">
<icon BUILTIN="flag-yellow"/>
<node CREATED="1538590120545" ID="ID_1847571040" MODIFIED="1538590128908" TEXT="Glib::timeout nutzen"/>
<node CREATED="1538590129616" ID="ID_9828219" MODIFIED="1538590145185" TEXT="analog zum Ctor InteractionDirector">
<icon BUILTIN="idea"/>
</node>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1538590112698" ID="ID_360284784" MODIFIED="1538590117466" TEXT="generisch anlegen">
<icon BUILTIN="flag-yellow"/>
<node CREATED="1538591568439" ID="ID_1863162820" MODIFIED="1538591578447" TEXT="Idee: Flasher">
<icon BUILTIN="idea"/>
<node CREATED="1538591875574" ID="ID_701299048" MODIFIED="1538592020697" TEXT="mu&#xdf; von Gtk::Widget erben">
<icon BUILTIN="messagebox_warning"/>
</node>
<node CREATED="1538591734386" ID="ID_1790046084" MODIFIED="1538591749203" TEXT="void flash()">
<node CREATED="1538591895692" ID="ID_954326123" MODIFIED="1538591904679" TEXT="installiert Glib::timeout"/>
<node CREATED="1538591905458" ID="ID_817752728" MODIFIED="1538591950857" TEXT="f&#xfc;gt CSS-Klasse hinzu"/>
</node>
<node CREATED="1538591750359" ID="ID_1546318660" MODIFIED="1538591768721" TEXT="void flashback()">
<node CREATED="1538591954100" ID="ID_248197618" MODIFIED="1538591969766" TEXT="vom Timeout aufgerufen"/>
<node CREATED="1538591970498" ID="ID_1898943385" MODIFIED="1538591977037" TEXT="entfernt CSS-Klasse"/>
</node>
</node>
<node CREATED="1538592070125" ID="ID_30810203" MODIFIED="1538592411749" TEXT="Varianten">
<icon BUILTIN="button_cancel"/>
<node CREATED="1538592125238" ID="ID_1673239146" MODIFIED="1538592131969" TEXT="hat WLink auf target-widget">
<node CREATED="1538592323691" ID="ID_567150569" MODIFIED="1538592333222" TEXT="lebt irgendwo als Member"/>
<node CREATED="1538592438724" ID="ID_1623451463" MODIFIED="1538592446455" TEXT="mu&#xdf; explizit mit dem Target verbunden werden"/>
</node>
<node CREATED="1538592135452" ID="ID_526442862" MODIFIED="1538592170019" TEXT="freischwebende selbsterhaltende Heap-Allokation">
<node CREATED="1538592277209" ID="ID_1333427334" MODIFIED="1538592290619" TEXT="flashback() endet mit Suizid"/>
<node CREATED="1538592450338" ID="ID_1611670382" MODIFIED="1538592470811" TEXT="Memory-Leak wenn flashback() ausbleibt"/>
</node>
</node>
<node BACKGROUND_COLOR="#ccb59b" COLOR="#6e2a38" CREATED="1538592473055" ID="ID_1323523600" MODIFIED="1538592481210" TEXT="Beschlu&#xdf;: Mixin-Design">
<font ITALIC="true" NAME="SansSerif" SIZE="14"/>
<icon BUILTIN="yes"/>
<node CREATED="1538606819103" ID="ID_404941112" MODIFIED="1538607019739" TEXT="Balance">
<richcontent TYPE="NOTE"><html>
<head>
</head>
<body>
<p>
denn dieses Design gibt die beste Balance zwischen den Belangen
</p>
<ul>
<li>
kein zus&#228;tzlicher Speicherbedarf
</li>
<li>
Callback ist automatisch abgesichert (sigc::mem_fun auf Trackable)
</li>
<li>
kann direkt auf das Styling des Parent zugreifen
</li>
</ul>
<p>
Einziger Nachteil ist die etwas verwirrende Schreibweise des dekorierten Typs
</p>
</body>
</html>
</richcontent>
</node>
<node CREATED="1538607106686" ID="ID_1879979063" MODIFIED="1538607368158" TEXT="z.B: FlashDeco&lt;Gtk::TextView&gt;"/>
</node>
</node>
</node>
<node COLOR="#338800" CREATED="1534722011622" ID="ID_232472679" MODIFIED="1538574689978" TEXT="revealYourself">
@ -5189,6 +5290,9 @@
<node CREATED="1537661322914" ID="ID_165076190" MODIFIED="1537661331868" TEXT="per synthetisiertem Widget-Path"/>
</node>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1538588393995" ID="ID_1149076483" MODIFIED="1538588397979" TEXT="#1168 : find a way to manage style of custom extended UI elements">
<icon BUILTIN="flag-yellow"/>
</node>
</node>
</node>
</node>
@ -5338,6 +5442,40 @@
<icon BUILTIN="flag-yellow"/>
<node CREATED="1495234856782" ID="ID_1605922951" MODIFIED="1518487921060" TEXT="machen wir bisher nicht"/>
<node CREATED="1495234865717" ID="ID_1261122199" MODIFIED="1518487921060" TEXT="ist das notwendig?"/>
<node CREATED="1538588192126" ID="ID_1032145387" MODIFIED="1538588303275" TEXT="wohl nicht">
<richcontent TYPE="NOTE"><html>
<head>
</head>
<body>
<p>
wenn die GTK-Loop angehalten wird,
</p>
<p>
dann koppelt sich GTK anscheinend auch
</p>
<p>
automatisch vom Window-Manager ab.
</p>
<p>
</p>
<p>
Jedenfalls habe ich nun schon mehrfach den Shutdown &quot;von unten&quot; getriggert,
</p>
<p>
und es wurden alle Fenster geschlossen.
</p>
<p>
</p>
<p>
Allerdings habe ich an der Stelle immer noch GTK-Assertions
</p>
</body>
</html>
</richcontent>
</node>
</node>
</node>
</node>
@ -6366,7 +6504,7 @@
<node CREATED="1504463020913" ID="ID_808284638" MODIFIED="1518487921063" TEXT="[optional] Gruppe"/>
<node CREATED="1504463028384" ID="ID_1928250888" MODIFIED="1518487921063" TEXT="View-ID"/>
</node>
<node CREATED="1504479185405" HGAP="50" ID="ID_50865654" MODIFIED="1523746854594" TEXT="abgeleitet aus Fokus-Koordinaten" VSHIFT="15">
<node CREATED="1504479185405" HGAP="50" ID="ID_50865654" MODIFIED="1538589849694" TEXT="abgeleitet aus Fokus-Koordinaten" VSHIFT="15">
<arrowlink COLOR="#a9a5cd" DESTINATION="ID_150523428" ENDARROW="Default" ENDINCLINATION="1440;-3055;" ID="Arrow_ID_1485937133" STARTARROW="None" STARTINCLINATION="1109;-37;"/>
<icon BUILTIN="info"/>
</node>
@ -18612,7 +18750,7 @@
</node>
<node COLOR="#338800" CREATED="1532788645307" ID="ID_254810710" MODIFIED="1533325370427" TEXT="Trigger-Technik kl&#xe4;ren">
<icon BUILTIN="button_ok"/>
<node CREATED="1532788681197" HGAP="336" ID="ID_32192034" MODIFIED="1533608413832" TEXT="bei GTK selber abschauen" VSHIFT="-52">
<node CREATED="1532788681197" FOLDED="true" HGAP="336" ID="ID_32192034" MODIFIED="1538589894276" TEXT="bei GTK selber abschauen" VSHIFT="-52">
<richcontent TYPE="NOTE"><html>
<head>
@ -18829,7 +18967,7 @@
<icon BUILTIN="yes"/>
</node>
</node>
<node COLOR="#338800" CREATED="1532788727680" HGAP="69" ID="ID_889790361" MODIFIED="1533608413837" TEXT="Gtk::Main auf aktuellem Stand" VSHIFT="12">
<node COLOR="#338800" CREATED="1532788727680" FOLDED="true" HGAP="69" ID="ID_889790361" MODIFIED="1538589862471" TEXT="Gtk::Main auf aktuellem Stand" VSHIFT="12">
<linktarget COLOR="#70dcb9" DESTINATION="ID_889790361" ENDARROW="Default" ENDINCLINATION="1308;0;" ID="Arrow_ID_1988524020" SOURCE="ID_1815764983" STARTARROW="Default" STARTINCLINATION="-2084;0;"/>
<icon BUILTIN="button_ok"/>
<node COLOR="#338800" CREATED="1532788737366" ID="ID_1527913663" MODIFIED="1532788745870" TEXT="aktuellen Code bereitlegen in Eclipse">
@ -19004,7 +19142,7 @@
</node>
</node>
</node>
<node CREATED="1532793816029" ID="ID_519518808" MODIFIED="1533608413842" TEXT="Glib::Dispatcher">
<node CREATED="1532793816029" FOLDED="true" ID="ID_519518808" MODIFIED="1538589833848" TEXT="Glib::Dispatcher">
<linktarget COLOR="#c1a9ad" DESTINATION="ID_519518808" ENDARROW="Default" ENDINCLINATION="70;0;" ID="Arrow_ID_985135564" SOURCE="ID_1796116534" STARTARROW="None" STARTINCLINATION="149;-223;"/>
<icon BUILTIN="button_cancel"/>
<node CREATED="1532793842721" ID="ID_1258451078" MODIFIED="1532793868919" TEXT="schon integriert in unseren UiDispatcher">
@ -19019,7 +19157,7 @@
<node CREATED="1533310381845" ID="ID_833159461" MODIFIED="1533310389328" TEXT="setzt laufende event-Loop voraus"/>
</node>
</node>
<node CREATED="1533310412185" ID="ID_968448480" MODIFIED="1533608413843" TEXT="Aktivierungs-Signal">
<node CREATED="1533310412185" FOLDED="true" ID="ID_968448480" MODIFIED="1538589832097" TEXT="Aktivierungs-Signal">
<icon BUILTIN="button_cancel"/>
<node CREATED="1533310421328" ID="ID_1168151937" MODIFIED="1533310429603" TEXT="Gtk::Application macht das so"/>
<node CREATED="1533310430167" ID="ID_1809941457" MODIFIED="1533310441873" TEXT="setzt eine GApplication (=Gio::Application) voraus"/>
@ -19051,7 +19189,7 @@
<node CREATED="1533221115139" ID="ID_1655397510" MODIFIED="1533221117607" TEXT="wer sonst?"/>
<node CREATED="1533221118267" ID="ID_517862983" MODIFIED="1533221132317" TEXT="er verk&#xf6;rpert &quot;das Globale&quot;"/>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1533221145295" ID="ID_45639892" MODIFIED="1533608413850" TEXT="Problem: Zugang zum NotificationService">
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1533221145295" FOLDED="true" ID="ID_45639892" MODIFIED="1538589835488" TEXT="Problem: Zugang zum NotificationService">
<icon BUILTIN="stop-sign"/>
<node CREATED="1533221554888" ID="ID_1545304194" MODIFIED="1533221603239" TEXT="wird explizit erst von UiManager::performMainLoop() installiert">
<icon BUILTIN="broken-line"/>
@ -19104,7 +19242,7 @@
</node>
</node>
</node>
<node CREATED="1533223360183" ID="ID_1309454354" MODIFIED="1533608413852" TEXT="Idee">
<node CREATED="1533223360183" FOLDED="true" ID="ID_1309454354" MODIFIED="1538589813571" TEXT="Idee: weiterer Dispatcher">
<icon BUILTIN="button_cancel"/>
<node CREATED="1533223371534" ID="ID_891597430" MODIFIED="1533310719489" TEXT="UiDispatcher">
<icon BUILTIN="stop-sign"/>
@ -19119,7 +19257,7 @@
<node CREATED="1533252172584" ID="ID_230437417" MODIFIED="1533252187890" TEXT="setzt zwingend voraus, da&#xdf; die Event-Loop schon l&#xe4;uft"/>
</node>
</node>
<node CREATED="1533221770859" ID="ID_1962039642" MODIFIED="1533608413857" TEXT="daf&#xfc;r einen dedizierten Service einbauen">
<node CREATED="1533221770859" FOLDED="true" ID="ID_1962039642" MODIFIED="1538589780400" TEXT="daf&#xfc;r einen dedizierten Service einbauen">
<icon BUILTIN="button_cancel"/>
<node CREATED="1533310637466" ID="ID_1772394299" MODIFIED="1533385333187" TEXT="wo?">
<font NAME="SansSerif" SIZE="12"/>
@ -26017,7 +26155,7 @@
<node CREATED="1487273377603" ID="ID_1842094630" MODIFIED="1518487921088" TEXT="SpotLocator"/>
</node>
<node CREATED="1487272813119" ID="ID_1794274698" MODIFIED="1518487921088" TEXT="Bezug">
<node CREATED="1504460091831" ID="ID_150523428" MODIFIED="1523746854594" TEXT="Koordinatensystem">
<node CREATED="1504460091831" ID="ID_150523428" MODIFIED="1538589849694" TEXT="Koordinatensystem">
<linktarget COLOR="#a9a5cd" DESTINATION="ID_150523428" ENDARROW="Default" ENDINCLINATION="1440;-3055;" ID="Arrow_ID_1485937133" SOURCE="ID_50865654" STARTARROW="None" STARTINCLINATION="1109;-37;"/>
<node CREATED="1504462869149" ID="ID_248419130" MODIFIED="1518487921088" TEXT="beschreibt Zugangsweg">
<icon BUILTIN="yes"/>
@ -38031,13 +38169,28 @@
<node CREATED="1537577874195" ID="ID_385552696" MODIFIED="1537577883741" TEXT="style-context zum Widget beziehen"/>
<node CREATED="1537577885042" ID="ID_9820896" MODIFIED="1537577900187" TEXT="diesem Context die spezielle Klasse hinzuf&#xfc;gen"/>
<node CREATED="1537577901032" ID="ID_1836919045" MODIFIED="1537577913426" TEXT="diese Klasse kann nun im CSS-Selektor verwendet werden"/>
<node CREATED="1537577914422" ID="ID_1220237808" MODIFIED="1537577928192" TEXT="geht das auch via GTKmm">
<icon BUILTIN="help"/>
<node CREATED="1537577929540" ID="ID_644837001" MODIFIED="1537577942529" TEXT="diverse Hinweise, da&#xdf; es nur direkt in C geht">
<icon BUILTIN="messagebox_warning"/>
<node CREATED="1537577914422" ID="ID_1220237808" MODIFIED="1538609593918" TEXT="geht einfach per GTKmm">
<richcontent TYPE="NOTE"><html>
<head>
</head>
<body>
<p>
Glib::RefPtr&lt;StyleContext&gt; context = widget-&gt;get_style_context();
</p>
<p>
context-&gt;add_class(&quot;ohMy&quot;);
</p>
</body>
</html>
</richcontent>
<icon BUILTIN="idea"/>
<node CREATED="1537577929540" ID="ID_644837001" MODIFIED="1538609519542" TEXT="fr&#xfc;her ging das nur direkt in C">
<icon BUILTIN="ksmiletris"/>
</node>
<node COLOR="#803457" CREATED="1537577957752" ID="ID_36168340" LINK="https://stackoverflow.com/questions/37609381/how-to-set-a-specific-css-class-to-a-widget-in-gtk3-c" MODIFIED="1537658796933" TEXT="C-Beispiel auf Stackoverflow">
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<node COLOR="#803457" CREATED="1537577957752" ID="ID_36168340" LINK="https://stackoverflow.com/questions/37609381/how-to-set-a-specific-css-class-to-a-widget-in-gtk3-c" MODIFIED="1538609485588" TEXT="C-Beispiel auf Stackoverflow"/>
<node COLOR="#803457" CREATED="1537577957752" ID="ID_1015117751" LINK="https://stackoverflow.com/questions/37609381/how-to-set-a-specific-css-class-to-a-widget-in-gtk3-c" MODIFIED="1538609495664" TEXT="C++-L&#xf6;sung auf Stackoverflow">
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</node>
</node>
</node>
@ -38071,8 +38224,8 @@
<node CREATED="1537658770555" ID="ID_920908371" MODIFIED="1537658777916" TEXT="nicht klar, ob das in C++ geht">
<icon BUILTIN="messagebox_warning"/>
</node>
<node CREATED="1537658785336" ID="ID_903275997" MODIFIED="1537658802879" TEXT="Beispiel">
<arrowlink COLOR="#c1a9a9" DESTINATION="ID_36168340" ENDARROW="Default" ENDINCLINATION="56;152;" ID="Arrow_ID_843556021" STARTARROW="None" STARTINCLINATION="68;8;"/>
<node CREATED="1537658785336" ID="ID_903275997" MODIFIED="1538609485588" TEXT="Beispiel">
<arrowlink COLOR="#c1a9a9" DESTINATION="ID_1015117751" ENDARROW="Default" ENDINCLINATION="56;152;" ID="Arrow_ID_1206355372" STARTARROW="None" STARTINCLINATION="68;8;"/>
</node>
</node>
</node>
@ -38185,7 +38338,7 @@
<node CREATED="1533388072628" ID="ID_1382049092" MODIFIED="1533388077743" TEXT="dieser wird on demand erzeugt"/>
<node CREATED="1533388078595" ID="ID_1456212114" MODIFIED="1533388091037" TEXT="dieser wird von den run()-Funktionen &quot;gepullt&quot;"/>
</node>
<node CREATED="1533388113350" ID="ID_1546795729" MODIFIED="1533388208027" TEXT="Glib::signal_idle()">
<node CREATED="1533388113350" FOLDED="true" ID="ID_1546795729" MODIFIED="1538589961840" TEXT="Glib::signal_idle()">
<node CREATED="1533388147720" ID="ID_1897188155" MODIFIED="1533388158218" TEXT="&#xfc;bergebene Closure l&#xe4;uft erst in der Event-Loop"/>
<node CREATED="1533388162662" ID="ID_1573817854" MODIFIED="1533388168352" TEXT="kann aber schon vorher hinzugef&#xfc;gt werden"/>
<node CREATED="1533388185290" ID="ID_1158890484" MODIFIED="1533388238450" TEXT="verwendet main_context_default">
@ -38204,7 +38357,7 @@
</node>
<node CREATED="1533388309295" ID="ID_775603522" MODIFIED="1533388317610" TEXT="man kann connect_once() macne"/>
</node>
<node CREATED="1533388128579" ID="ID_580405745" MODIFIED="1533388506937" TEXT="Glib::signal_timeout()">
<node CREATED="1533388128579" FOLDED="true" ID="ID_580405745" MODIFIED="1538589960352" TEXT="Glib::signal_timeout()">
<linktarget COLOR="#5568a6" DESTINATION="ID_580405745" ENDARROW="Default" ENDINCLINATION="-472;0;" ID="Arrow_ID_244184105" SOURCE="ID_1586631508" STARTARROW="None" STARTINCLINATION="-2132;-72;"/>
<node CREATED="1533388319102" ID="ID_1118350475" MODIFIED="1533388324553" TEXT="analog wie signal_idle()"/>
<node CREATED="1533388325053" ID="ID_1341702889" MODIFIED="1533388334672" TEXT="Timeout in Millisekunden"/>