kotatogram/lib_ui
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Allow pinned-to-bottom content in GenericBox.

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This commit is contained in:
John Preston 2023-10-25 10:34:47 +04:00
parent 127565a75b
commit c36559a679
2 changed files with 39 additions and 8 deletions
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38
ui/layers/generic_box.cpp
View file

@ -17,22 +17,28 @@ void GenericBox::prepare() {
_init(this);
const auto currentWidth = width();
const auto pinned = _pinnedToTopContent.data();
if (pinned) {
pinned->resizeToWidth(currentWidth);
const auto pinnedToTop = _pinnedToTopContent.data();
const auto pinnedToBottom = _pinnedToBottomContent.data();
if (pinnedToTop) {
pinnedToTop->resizeToWidth(currentWidth);
}
if (pinnedToBottom) {
pinnedToBottom->resizeToWidth(currentWidth);
}
auto wrap = object_ptr<Ui::OverrideMargins>(this, std::move(_owned));
wrap->resizeToWidth(currentWidth);
rpl::combine(
pinned ? pinned->heightValue() : rpl::single(0),
wrap->heightValue()
) | rpl::start_with_next([=](int top, int height) {
pinnedToTop ? pinnedToTop->heightValue() : rpl::single(0),
wrap->heightValue(),
pinnedToBottom ? pinnedToBottom->heightValue() : rpl::single(0)
) | rpl::start_with_next([=](int top, int height, int bottom) {
Expects(_minHeight >= 0);
Expects(!_maxHeight || _minHeight <= _maxHeight);
setInnerTopSkip(top);
const auto desired = top + height;
setInnerBottomSkip(bottom);
const auto desired = top + height + bottom;
setDimensions(
currentWidth,
std::clamp(
@ -45,7 +51,17 @@ void GenericBox::prepare() {
setInnerWidget(
std::move(wrap),
_scrollSt ? *_scrollSt : st::boxScroll,
pinned ? pinned->height() : 0);
pinnedToTop ? pinnedToTop->height() : 0,
pinnedToBottom ? pinnedToBottom->height() : 0);
if (pinnedToBottom) {
rpl::combine(
heightValue(),
pinnedToBottom->heightValue()
) | rpl::start_with_next([=](int outer, int height) {
pinnedToBottom->move(0, outer - height);
}, pinnedToBottom->lifetime());
}
}
void GenericBox::addSkip(int height) {
@ -58,6 +74,12 @@ not_null<Ui::RpWidget*> GenericBox::doSetPinnedToTopContent(
return _pinnedToTopContent.data();
}
not_null<Ui::RpWidget*> GenericBox::doSetPinnedToBottomContent(
object_ptr<Ui::RpWidget> content) {
_pinnedToBottomContent = std::move(content);
return _pinnedToBottomContent.data();
}
int GenericBox::rowsCount() const {
return _content->count();
}

9
ui/layers/generic_box.h
View file

@ -100,6 +100,12 @@ public:
doSetPinnedToTopContent(std::move(content)).get());
}
template <typename Widget>
not_null<Widget*> setPinnedToBottomContent(object_ptr<Widget> content) {
return static_cast<Widget*>(
doSetPinnedToBottomContent(std::move(content)).get());
}
[[nodiscard]] not_null<Ui::VerticalLayout*> verticalLayout();
using BoxContent::setNoContentMargin;
@ -132,6 +138,8 @@ private:
void prepare() override;
not_null<Ui::RpWidget*> doSetPinnedToTopContent(
object_ptr<Ui::RpWidget> content);
not_null<Ui::RpWidget*> doSetPinnedToBottomContent(
object_ptr<Ui::RpWidget> content);
FnMut<void(not_null<GenericBox*>)> _init;
Fn<void()> _focus;
@ -144,6 +152,7 @@ private:
int _maxHeight = 0;
object_ptr<Ui::RpWidget> _pinnedToTopContent = { nullptr };
object_ptr<Ui::RpWidget> _pinnedToBottomContent = { nullptr };
};