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1887dc6de4
Now you can remove a ToolBar from a ToolBarContainer and it will update its own preferred size automatically.
112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/ToolBarContainer.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/StylePainter.h>
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namespace GUI {
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void ToolBarContainer::child_event(Core::ChildEvent& event)
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{
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Frame::child_event(event);
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if (event.type() == Core::Event::ChildAdded) {
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if (event.child() && event.child()->is_widget())
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did_add_toolbar((Widget&)*event.child());
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} else if (event.type() == Core::Event::ChildRemoved) {
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if (event.child() && event.child()->is_widget()) {
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did_remove_toolbar((Widget&)*event.child());
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}
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}
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}
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void ToolBarContainer::did_remove_toolbar(Widget& toolbar)
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{
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m_toolbars.remove_first_matching([&](auto& entry) { return entry.ptr() == &toolbar; });
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recompute_preferred_size();
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}
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void ToolBarContainer::did_add_toolbar(Widget& toolbar)
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{
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m_toolbars.append(toolbar);
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recompute_preferred_size();
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}
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void ToolBarContainer::recompute_preferred_size()
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{
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int preferred_size = 4 + (m_toolbars.size() - 1) * 2;
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for (auto& toolbar : m_toolbars) {
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if (m_orientation == Gfx::Orientation::Horizontal)
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preferred_size += toolbar.preferred_size().height();
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else
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preferred_size += toolbar.preferred_size().width();
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}
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if (m_orientation == Gfx::Orientation::Horizontal)
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set_preferred_size(0, preferred_size);
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else
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set_preferred_size(preferred_size, 0);
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}
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ToolBarContainer::ToolBarContainer(Gfx::Orientation orientation)
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: m_orientation(orientation)
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{
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set_fill_with_background_color(true);
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set_frame_thickness(2);
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set_frame_shape(Gfx::FrameShape::Box);
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set_frame_shadow(Gfx::FrameShadow::Sunken);
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if (m_orientation == Gfx::Orientation::Horizontal)
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set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
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else
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set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
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auto& layout = set_layout<VerticalBoxLayout>();
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layout.set_spacing(2);
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layout.set_margins({ 2, 2, 2, 2 });
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}
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void ToolBarContainer::paint_event(GUI::PaintEvent& event)
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{
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Painter painter(*this);
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painter.add_clip_rect(event.rect());
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for (auto& toolbar : m_toolbars) {
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auto rect = toolbar.relative_rect();
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painter.draw_line(rect.top_left().translated(0, -1), rect.top_right().translated(0, -1), palette().threed_highlight());
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painter.draw_line(rect.bottom_left().translated(0, 1), rect.bottom_right().translated(0, 1), palette().threed_shadow1());
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}
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Frame::paint_event(event);
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}
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}
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