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https://github.com/LadybirdBrowser/ladybird.git
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d8fa479d05
ComboBoxes and SpinBoxes were still relying on ascii-to-bitmap icons instead of PNGs. This makes it easier to theme in the future.
121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
/*
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* Copyright (c) 2018-2020, 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/Button.h>
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#include <LibGUI/SpinBox.h>
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#include <LibGUI/TextBox.h>
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REGISTER_WIDGET(GUI, SpinBox)
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namespace GUI {
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SpinBox::SpinBox()
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{
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set_min_width(32);
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set_fixed_height(22);
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m_editor = add<TextBox>();
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m_editor->set_text("0");
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m_editor->on_change = [this] {
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auto value = m_editor->text().to_uint();
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if (value.has_value())
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set_value(value.value());
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else
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m_editor->set_text(String::number(m_value));
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};
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m_editor->on_up_pressed = [this] {
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set_value(m_value + 1);
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};
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m_editor->on_down_pressed = [this] {
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set_value(m_value - 1);
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};
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m_increment_button = add<Button>();
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m_increment_button->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/upward-triangle.png"));
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m_increment_button->set_focus_policy(GUI::FocusPolicy::NoFocus);
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m_increment_button->on_click = [this](auto) { set_value(m_value + 1); };
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m_increment_button->set_auto_repeat_interval(150);
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m_decrement_button = add<Button>();
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m_decrement_button->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/downward-triangle.png"));
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m_decrement_button->set_focus_policy(GUI::FocusPolicy::NoFocus);
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m_decrement_button->on_click = [this](auto) { set_value(m_value - 1); };
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m_decrement_button->set_auto_repeat_interval(150);
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REGISTER_INT_PROPERTY("min", min, set_min);
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REGISTER_INT_PROPERTY("max", max, set_max);
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}
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SpinBox::~SpinBox()
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{
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}
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void SpinBox::set_value(int value)
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{
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value = clamp(value, m_min, m_max);
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if (m_value == value)
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return;
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m_value = value;
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m_editor->set_text(String::number(value));
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update();
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if (on_change)
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on_change(value);
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}
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void SpinBox::set_range(int min, int max)
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{
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VERIFY(min <= max);
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if (m_min == min && m_max == max)
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return;
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m_min = min;
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m_max = max;
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int old_value = m_value;
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m_value = clamp(m_value, m_min, m_max);
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if (m_value != old_value) {
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m_editor->set_text(String::number(m_value));
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if (on_change)
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on_change(m_value);
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}
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update();
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}
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void SpinBox::mousewheel_event(MouseEvent& event)
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{
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set_value(m_value - event.wheel_delta());
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}
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void SpinBox::resize_event(ResizeEvent& event)
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{
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int frame_thickness = m_editor->frame_thickness();
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int button_height = (event.size().height() / 2) - frame_thickness;
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int button_width = 15;
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m_increment_button->set_relative_rect(width() - button_width - frame_thickness, frame_thickness, button_width, button_height);
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m_decrement_button->set_relative_rect(width() - button_width - frame_thickness, frame_thickness + button_height, button_width, button_height);
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m_editor->set_relative_rect(0, 0, width(), height());
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}
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}
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