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1fa5a526e8
Fixes keyboard increment/decrement of SpinBox values. After PR #2412 the TextBox class started not propagating arrow key events to the parent widgets because it handles them itself now. It also added two new events for these arrow keys, so use them instead in SpinBox.
112 lines
3.7 KiB
C++
112 lines
3.7 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/ControlBoxButton.h>
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#include <LibGUI/SpinBox.h>
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#include <LibGUI/TextBox.h>
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namespace GUI {
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SpinBox::SpinBox()
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{
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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<ControlBoxButton>(ControlBoxButton::UpArrow);
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m_increment_button->set_focusable(false);
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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<ControlBoxButton>(ControlBoxButton::DownArrow);
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m_decrement_button->set_focusable(false);
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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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}
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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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ASSERT(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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