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Timeline: possible solution for construction of the TrackProfile

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...not yet really convinced though
...how does this relate to the "display evaluation pass" of the Layout Manager?
This commit is contained in:
Fischlurch 2019-06-15 21:45:38 +02:00
parent c87ca5d632
commit d5af020520
5 changed files with 102 additions and 8 deletions
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3
src/stage/timeline/body-canvas-widget.cpp
View file

@ -49,6 +49,7 @@
//using util::_Fmt;
using util::max;
using util::isnil;
//using util::contains;
//using Gtk::Widget;
using Gdk::Rectangle;
@ -300,7 +301,7 @@ namespace timeline {
{
if (rootBody_)
{
if (not profile_)
if (isnil (profile_))
rootBody_->establishTrackSpace (profile_);
}
return profile_; //////////////////////////////////////////////////////////////////////////////////////TICKET #1039 : who actually invokes this function? what if not(rootBody_)?

2
src/stage/timeline/timeline-controller.cpp
View file

@ -131,7 +131,7 @@ namespace timeline {
* For both cases we prepare a way to build a _nested mutator_, and in both cases this
* is simply achieved by relying on the common interface of all those "elements", which
* is stage::model::Tangible and just happens to require each such "tangible" to offer
* a mutation building method, just like this one here. Simple recursive programming.
* a mutation building method, just like this one here. Plain recursive programming.
* @see DiffComplexApplication_test
*/
void

12
src/stage/timeline/track-body.cpp
View file

@ -59,6 +59,7 @@ namespace timeline {
namespace {
const uint DEFAULT_CONTENT_HEIGHT_px = 80;
const uint TIMELINE_BOTTOM_PADDING_px = 5;
}
@ -110,11 +111,17 @@ namespace timeline {
* which constitute a vertical cross section through the track bodies
* - pre: the given profile is built and complete up to the (upper side) start of this timeline
* - post: the profile is elaborated for this track and its children, down to the lower end.
*
* @todo 6/19 this very much looks like the "display evaluation pass" envisioned for the timeline::DisplayManager.
* Need to find out if we'll need a dedicated evaluation pass and how to interconnect both.
*/
void
TrackBody::establishTrackSpace (TrackProfile& profile)
{
bool topLevel = isnil (profile);
if (topLevel)
profile.append_prelude(rulers_.size());
for (auto& ruler : rulers_)
{
profile.append_ruler (ruler->calcHeight());
@ -130,6 +137,9 @@ namespace timeline {
subTrack->establishTrackSpace (profile);
profile.addSlopeUp();
}
if (topLevel)
profile.append_coda(TIMELINE_BOTTOM_PADDING_px);
}

6
src/stage/timeline/track-profile.hpp
View file

@ -91,10 +91,10 @@ namespace timeline {
// default constructible, standard copy operations
explicit
operator bool() const
bool
empty() const
{
return not isnil (elements);
return elements.empty();
}
void

87
wiki/thinkPad.ichthyo.mm
View file

@ -19151,7 +19151,12 @@
</node>
</node>
</node>
<node CREATED="1480639473324" ID="ID_191170582" MODIFIED="1557498707226" TEXT="eval pass"/>
<node CREATED="1480639473324" ID="ID_191170582" MODIFIED="1560627749713" TEXT="eval pass">
<linktarget COLOR="#921d48" DESTINATION="ID_191170582" ENDARROW="Default" ENDINCLINATION="1918;0;" ID="Arrow_ID_982561049" SOURCE="ID_624999649" STARTARROW="None" STARTINCLINATION="185;0;"/>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1560627720011" HGAP="35" ID="ID_322949413" MODIFIED="1560627732292" TEXT="brauchen wir den??" VSHIFT="23">
<icon BUILTIN="help"/>
</node>
</node>
<node CREATED="1555022703032" ID="ID_13722484" MODIFIED="1557498707226" TEXT="Verdrahtung">
<node CREATED="1555022710839" ID="ID_1166296639" MODIFIED="1557498707226" TEXT="mu&#xdf; in alle Nutzer injiziert werden"/>
<node CREATED="1555022761189" ID="ID_640769952" MODIFIED="1560612965105" TEXT="wie? geht wohl nur direkte Referenz">
@ -20618,6 +20623,37 @@
<node CREATED="1560612942381" ID="ID_1967930581" MODIFIED="1560612949943" TEXT="und das w&#xe4;re etwa die gleiche Menge Code"/>
<node CREATED="1560612951033" ID="ID_850127059" MODIFIED="1560612963343" TEXT="und auch etwa gleicherma&#xdf;en lesbar"/>
</node>
<node CREATED="1560613101287" ID="ID_4285270" MODIFIED="1560613236377" TEXT="Beschlu&#xdf;: sofern die Prelude/Coda-Stukur da ist, kann man sie auch so nutzen">
<richcontent TYPE="NOTE"><html>
<head>
</head>
<body>
<p>
weil genau an der Stelle, an der diese Klammer erzeugt wird, auch diese Info &#252;ber die Pr&#228;fix-Tracks angelegt werden mu&#223;.
</p>
<p>
Es macht also durchaus Sinn, das als eine Einheit zu betrachten.
</p>
<p>
</p>
<p>
Sollte sich dagegen <i>l&#228;ngerfristig</i>&#160;herausstellen, da&#223; diese Prelude/Coda-Struktur sinnfrei bleibt,
</p>
<p>
dann w&#228;re ein dediziertes Feld f&#252;r das fixierte Track-Pr&#228;fix wohl besser
</p>
</body>
</html>
</richcontent>
<icon BUILTIN="yes"/>
</node>
</node>
<node CREATED="1560618427589" ID="ID_713762696" MODIFIED="1560618436168" TEXT="wer generiert diese Info?">
<node CREATED="1560618449106" ID="ID_450355502" MODIFIED="1560618479666" TEXT="undurchdringbar verworren">
<icon BUILTIN="broken-line"/>
</node>
</node>
</node>
</node>
@ -20632,9 +20668,56 @@
<icon BUILTIN="flag-yellow"/>
</node>
</node>
<node CREATED="1555084648375" ID="ID_483631091" MODIFIED="1557498707229" TEXT="organisiert das Struktur-Profil">
<node CREATED="1560618609627" ID="ID_506564995" MODIFIED="1560618618079" TEXT="ben&#xf6;tigt ein Struktur-Profil der Spuren">
<node CREATED="1555084648375" ID="ID_483631091" MODIFIED="1560618638500" TEXT="was ist dieses TrackProfil?">
<arrowlink COLOR="#2e66db" DESTINATION="ID_1659558780" ENDARROW="Default" ENDINCLINATION="-889;0;" ID="Arrow_ID_1691760775" STARTARROW="None" STARTINCLINATION="828;0;"/>
</node>
<node CREATED="1560618654038" ID="ID_1561447255" MODIFIED="1560618660841" TEXT="wie wird es aufgebaut?">
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1560618662829" ID="ID_799744277" MODIFIED="1560618668613" TEXT="Rahmen">
<icon BUILTIN="flag-yellow"/>
<node CREATED="1560619599886" ID="ID_1652576901" MODIFIED="1560619609798" TEXT="Problem: Fixierte Overview-Ruler">
<icon BUILTIN="messagebox_warning"/>
<node CREATED="1560619612613" ID="ID_1255750107" MODIFIED="1560619622751" TEXT="die sind etwas Globales"/>
<node CREATED="1560619623251" ID="ID_1890187732" MODIFIED="1560619628318" TEXT="aber die Info liegt nur indirekt vor">
<node CREATED="1560619663110" ID="ID_994568218" MODIFIED="1560619675632" TEXT="die Ruler des top-level-TrackBody"/>
<node CREATED="1560619676228" ID="ID_1236432450" MODIFIED="1560619685013" TEXT="genauer: die Anzahl dieser Ruler"/>
</node>
</node>
</node>
<node CREATED="1560618669419" ID="ID_930843555" MODIFIED="1560618693061" TEXT="Inhalt: durch Traversieren...">
<node CREATED="1560618694269" ID="ID_1133842596" MODIFIED="1560618694932" TEXT="der TrackBody-Struktur"/>
</node>
</node>
<node BACKGROUND_COLOR="#fdfdcf" COLOR="#ff0000" CREATED="1560618715494" ID="ID_453891028" MODIFIED="1560618729609" TEXT="wer verwaltet das TrackProfil?">
<icon BUILTIN="help"/>
<node CREATED="1560618780573" ID="ID_1295221704" MODIFIED="1560619724431" TEXT="naheliegend: das BodyCanvasWidget selber">
<icon BUILTIN="forward"/>
<node CREATED="1560618821911" ID="ID_1127517536" MODIFIED="1560619559162" TEXT="mu&#xdf; aber irgendwie an die TrackBody-Struktur delegiert werden">
<linktarget COLOR="#297bdb" DESTINATION="ID_1127517536" ENDARROW="Default" ENDINCLINATION="118;0;" ID="Arrow_ID_1683662279" SOURCE="ID_2106254" STARTARROW="Default" STARTINCLINATION="118;0;"/>
<icon BUILTIN="forward"/>
</node>
<node CREATED="1560618895535" ID="ID_1309792012" MODIFIED="1560618913282" TEXT="jedes Struktur-Update mu&#xdf; das Profil neu generieren">
<icon BUILTIN="messagebox_warning"/>
</node>
<node CREATED="1560618799458" ID="ID_1264363118" MODIFIED="1560618820650" TEXT="f&#xfc;hrt zu einem Gestr&#xfc;pp der Abh&#xe4;ngigkeiten">
<icon BUILTIN="stop-sign"/>
</node>
</node>
<node CREATED="1560619493205" ID="ID_630720873" MODIFIED="1560619542216" TEXT="logisch w&#xfc;rde es irgendwie zum Layout passen">
<icon BUILTIN="button_cancel"/>
<node CREATED="1560619504005" ID="ID_342347780" MODIFIED="1560619513182" TEXT="aber das Layout hat nicht die notwendigen Infos"/>
<node CREATED="1560619513934" ID="ID_2106254" MODIFIED="1560619564904" TEXT="praktisch alle Infos sind in der TrackBody-Struktur">
<arrowlink COLOR="#297bdb" DESTINATION="ID_1127517536" ENDARROW="Default" ENDINCLINATION="118;0;" ID="Arrow_ID_1683662279" STARTARROW="Default" STARTINCLINATION="118;0;"/>
</node>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1560627625383" ID="ID_269248332" MODIFIED="1560627650483" TEXT="noch nicht recht gl&#xfc;cklich mit dieser L&#xf6;sung....">
<icon BUILTIN="broken-line"/>
<node CREATED="1560627658092" ID="ID_624999649" MODIFIED="1560627749713" TEXT="wo bleibt der Display Evaluation Pass?">
<arrowlink COLOR="#921d48" DESTINATION="ID_191170582" ENDARROW="Default" ENDINCLINATION="1918;0;" ID="Arrow_ID_982561049" STARTARROW="None" STARTINCLINATION="185;0;"/>
</node>
</node>
</node>
</node>
</node>
<node CREATED="1540641317386" ID="ID_151954769" MODIFIED="1557498707229" TEXT="Canvas">
<linktarget COLOR="#a9b4c1" DESTINATION="ID_151954769" ENDARROW="Default" ENDINCLINATION="263;-88;" ID="Arrow_ID_1923805019" SOURCE="ID_18552766" STARTARROW="None" STARTINCLINATION="93;24;"/>