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LibGUI: Allow tweaking each edge of TabWidget's content margins

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Instead of having a single uniform margin around the child content of
a TabWidget, use a GUI::Margins to allow individual per-edge margins.
This commit is contained in:
Andreas Kling 2021-06-15 14:28:39 +02:00
parent 46a7e1b372
commit a1eadc755d
3 changed files with 20 additions and 17 deletions
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26
Userland/Libraries/LibGUI/TabWidget.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -23,7 +23,7 @@ TabWidget::TabWidget()
{
set_focus_policy(FocusPolicy::NoFocus);
REGISTER_INT_PROPERTY("container_padding", container_padding, set_container_padding);
REGISTER_MARGINS_PROPERTY("container_margins", container_margins, set_container_margins);
REGISTER_BOOL_PROPERTY("uniform_tabs", uniform_tabs, set_uniform_tabs);
register_property(
@ -119,10 +119,10 @@ Gfx::IntRect TabWidget::child_rect_for_size(const Gfx::IntSize& size) const
Gfx::IntRect rect;
switch (m_tab_position) {
case TabPosition::Top:
rect = { { container_padding(), bar_height() + container_padding() }, { size.width() - container_padding() * 2, size.height() - bar_height() - container_padding() * 2 } };
rect = { { m_container_margins.left(), bar_height() + m_container_margins.top() }, { size.width() - m_container_margins.left() - m_container_margins.right(), size.height() - bar_height() - m_container_margins.top() - m_container_margins.bottom() } };
break;
case TabPosition::Bottom:
rect = { { container_padding(), container_padding() }, { size.width() - container_padding() * 2, size.height() - bar_height() - container_padding() * 2 } };
rect = { { m_container_margins.left(), m_container_margins.top() }, { size.width() - m_container_margins.left() - m_container_margins.right(), size.height() - bar_height() - m_container_margins.top() - m_container_margins.bottom() } };
break;
}
if (rect.is_empty())
@ -183,15 +183,11 @@ void TabWidget::paint_event(PaintEvent& event)
Painter painter(*this);
painter.add_clip_rect(event.rect());
auto container_rect = this->container_rect();
auto padding_rect = container_rect;
for (int i = 0; i < container_padding(); ++i) {
painter.draw_rect(padding_rect, palette().button());
padding_rect.shrink(2, 2);
}
painter.fill_rect(event.rect(), palette().button());
if (container_padding() > 0)
Gfx::StylePainter::paint_frame(painter, container_rect, palette(), Gfx::FrameShape::Container, Gfx::FrameShadow::Raised, 2);
if (!m_container_margins.is_null()) {
Gfx::StylePainter::paint_frame(painter, container_rect(), palette(), Gfx::FrameShape::Container, Gfx::FrameShadow::Raised, 2);
}
auto paint_tab_icon_if_needed = [&](auto& icon, auto& button_rect, auto& text_rect) {
if (!icon)
@ -452,4 +448,10 @@ void TabWidget::context_menu_event(ContextMenuEvent& context_menu_event)
}
}
void TabWidget::set_container_margins(GUI::Margins const& margins)
{
m_container_margins = margins;
update();
}
}