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Requested anchor RAIIed.

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This commit is contained in:
ADAM David Alan Martin
2025-08-21 17:52:30 -04:00
parent 4274490a86
commit 2d1e95d36b
2 changed files with 9 additions and 15 deletions
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20
dw/layout.cc
View File

@ -281,7 +281,6 @@ Layout::Layout (std::unique_ptr< Platform > platform, bool limit)
DBG_OBJ_SET_NUM ("hScrollbarThickness", hScrollbarThickness);
DBG_OBJ_SET_NUM ("vScrollbarThickness", vScrollbarThickness);
requestedAnchor = NULL;
scrollIdleId = -1;
scrollIdleNotInterrupted = false;
@ -332,9 +331,6 @@ Layout::~Layout ()
delete view;
delete textZone;
if (requestedAnchor)
free (requestedAnchor);
DBG_OBJ_DELETE ();
}
@ -410,7 +406,7 @@ void Layout::removeWidget ()
view->setViewportSize (viewportWidth, viewportHeight, 0, 0);
view->queueDrawTotal ();
setAnchor (NULL);
setAnchor (std::nullopt);
updateAnchor ();
emitter.emitCanvasSizeChanged (canvasWidth, canvasAscent, canvasDescent);
@ -724,13 +720,11 @@ int Layout::currVScrollbarThickness()
/**
* Sets the anchor to scroll to.
*/
void Layout::setAnchor (const char *anchor)
void Layout::setAnchor (const std::optional< std::string_view > anchor)
{
_MSG("setAnchor (%s)\n", anchor);
_MSG("setAnchor (%s)\n", anchor.value_or("").string().c_str());
if (requestedAnchor)
free (requestedAnchor);
requestedAnchor = anchor ? dStrdup (anchor) : NULL;
requestedAnchor = anchor;
updateAnchor ();
}
@ -776,9 +770,9 @@ void Layout::removeAnchor (Widget *widget, char* name)
void Layout::updateAnchor ()
{
Anchor *anchor= nullptr;
if (requestedAnchor and anchorsTable.contains( requestedAnchor ) )
if (requestedAnchor and anchorsTable.contains( requestedAnchor.value() ) )
{
anchor= anchorsTable[ requestedAnchor ].get();
anchor= anchorsTable[ requestedAnchor.value() ].get();
}
if (anchor == NULL) {
@ -1292,7 +1286,7 @@ void Layout::scrollPosChanged (View *view, int x, int y)
scrollX = x;
scrollY = y;
setAnchor (NULL);
setAnchor( std::nullopt );
updateAnchor ();
}
}

4
dw/layout.hh
View File

@ -182,7 +182,7 @@ private:
VPosition scrollTargetVpos;
int scrollTargetX, scrollTargetY, scrollTargetWidth, scrollTargetHeight;
char *requestedAnchor;
std::optional< std::string > requestedAnchor;
int scrollIdleId, resizeIdleId;
bool scrollIdleNotInterrupted;
@ -300,7 +300,7 @@ public:
void scrollTo (HPosition hpos, VPosition vpos,
int x, int y, int width, int height);
void scroll (ScrollCommand);
void setAnchor (const char *anchor);
void setAnchor (std::optional< std::string_view > anchor);
/* View */