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Codechange: Update window's widget lookup map when switching displayed plane.

This commit is contained in:
Peter Nelson 2024-02-14 17:23:03 +00:00 committed by Peter Nelson
parent 3d591c2094
commit 8c22690ce1
2 changed files with 9 additions and 0 deletions
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7
src/widget.cpp
View File

@ -1268,8 +1268,13 @@ void NWidgetStacked::AssignSizePosition(SizingType sizing, int x, int y, uint gi
void NWidgetStacked::FillWidgetLookup(WidgetLookup &widget_lookup)
{
/* We need to update widget_lookup later. */
this->widget_lookup = &widget_lookup;
if (this->index >= 0) widget_lookup[this->index] = this;
NWidgetContainer::FillWidgetLookup(widget_lookup);
/* In case widget IDs are repeated, make sure Window::GetWidget works on displayed widgets. */
if (static_cast<size_t>(this->shown_plane) < this->children.size()) this->children[shown_plane]->FillWidgetLookup(widget_lookup);
}
void NWidgetStacked::Draw(const Window *w)
@ -1300,6 +1305,8 @@ bool NWidgetStacked::SetDisplayedPlane(int plane)
{
if (this->shown_plane == plane) return false;
this->shown_plane = plane;
/* In case widget IDs are repeated, make sure Window::GetWidget works on displayed widgets. */
if (static_cast<size_t>(this->shown_plane) < this->children.size()) this->children[shown_plane]->FillWidgetLookup(*this->widget_lookup);
return true;
}

2
src/widget_type.h
View File

@ -497,6 +497,8 @@ public:
int shown_plane; ///< Plane being displayed (for #NWID_SELECTION only).
const WidgetID index; ///< If non-negative, index in the #Window::widget_lookup.
private:
WidgetLookup *widget_lookup; ///< Window's widget lookup, updated in SetDisplayedPlane().
};
/** Nested widget container flags, */