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Consider label when calculating layout info for native groupboxes

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Tobias Hunger 2022-07-26 18:15:56 +02:00 • committed by Tobias Hunger
parent 5199556e9d
commit 1544158344
1 changed files with 28 additions and 2 deletions
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30
internal/backends/qt/qt_widgets/groupbox.rs
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@ -4,6 +4,7 @@
use i_slint_core::input::FocusEventResult;
use super::*;
#[repr(C)]
#[derive(FieldOffsets, Default, SlintElement)]
#[pin]
@ -29,6 +30,27 @@ struct GroupBoxData {
paddings: Property<qttypes::QMargins>,
}
fn minimum_group_box_size(title: qttypes::QString) -> qttypes::QSize {
return cpp!(unsafe [title as "QString"] -> qttypes::QSize as "QSize" {
ensure_initialized();
QStyleOptionGroupBox option;
option.text = title;
option.lineWidth = 1;
option.midLineWidth = 0;
option.subControls = QStyle::SC_GroupBoxFrame;
if (!title.isEmpty()) {
option.subControls |= QStyle::SC_GroupBoxLabel;
}
QFontMetrics metrics = option.fontMetrics;
int baseWidth = metrics.horizontalAdvance(title) + metrics.horizontalAdvance(QLatin1Char(' '));
int baseHeight = metrics.height();
return qApp->style()->sizeFromContents(QStyle::CT_GroupBox, &option, QSize(baseWidth, baseHeight), nullptr);
});
}
impl Item for NativeGroupBox {
fn init(self: Pin<&Self>, _window: &WindowRc) {
let shared_data = Rc::pin(GroupBoxData::default());
@ -120,10 +142,14 @@ impl Item for NativeGroupBox {
}
fn layout_info(self: Pin<&Self>, orientation: Orientation, _window: &WindowRc) -> LayoutInfo {
let text: qttypes::QString = self.title().as_str().into();
let size = minimum_group_box_size(text);
LayoutInfo {
min: match orientation {
Orientation::Horizontal => self.native_padding_left() + self.native_padding_right(),
Orientation::Vertical => self.native_padding_top() + self.native_padding_bottom(),
Orientation::Horizontal => size.width as f32,
Orientation::Vertical => size.height as f32,
},
stretch: 1.,
..LayoutInfo::default()