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GLayout: Add a simple spacer concept; dummy item that expands-to-fit.

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A spacer can be inserted anywhere in a layout and will simply expand to fill
the available space. This is useful for pushing widgets into place. :^)
This commit is contained in:
Andreas Kling 2019-05-09 03:06:20 +02:00
parent bd5c79aff2
commit bffaa5ece6
4 changed files with 39 additions and 7 deletions
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8
LibGUI/GBoxLayout.cpp
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@ -34,6 +34,9 @@ void GBoxLayout::run(GWidget& widget)
dbgprintf("GBoxLayout: Starting with available size: %s\n", available_size.to_string().characters());
for (auto& entry : m_entries) {
if (entry.type == Entry::Type::Spacer) {
++number_of_visible_entries;
}
if (!entry.widget)
continue;
@ -84,6 +87,11 @@ void GBoxLayout::run(GWidget& widget)
int current_y = margins().top();
for (auto& entry : m_entries) {
if (entry.type == Entry::Type::Spacer) {
current_x += automatic_size.width();
current_y += automatic_size.height();
}
if (!entry.widget)
continue;
if (!entry.widget->is_visible())