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LibGUI: Make NumericInput work well in GML
- Register the widget - Register property getters and setters - Rename getters and setters to match the property names, as required by the GML compiler. The names min/max/value are chosen to match SpinBox. - Prevent a crash when the minimum is less than the maximum (which can happen while editing the GML).
This commit is contained in:
Sam Atkins
Sam Atkins
parent
da349607a3
commit
5f0230a57e
3 changed files with 46 additions and 35 deletions
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@ -187,7 +187,7 @@ PDFViewerWidget::PDFViewerWidget()
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m_viewer = v_splitter.add<PDFViewer>();
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m_viewer->on_page_change = [&](auto new_page) {
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m_page_text_box->set_current_number(new_page + 1, GUI::AllowCallback::No);
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m_page_text_box->set_value(new_page + 1, GUI::AllowCallback::No);
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m_go_to_prev_page_action->set_enabled(new_page > 0);
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m_go_to_next_page_action->set_enabled(new_page < m_viewer->document()->get_page_count() - 1);
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};
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@ -263,13 +263,13 @@ void PDFViewerWidget::initialize_toolbar(GUI::Toolbar& toolbar)
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m_go_to_prev_page_action = GUI::Action::create("Go to &Previous Page", Gfx::Bitmap::load_from_file("/res/icons/16x16/go-up.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
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VERIFY(m_viewer->current_page() > 0);
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m_page_text_box->set_current_number(m_viewer->current_page());
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m_page_text_box->set_value(m_viewer->current_page());
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});
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m_go_to_prev_page_action->set_enabled(false);
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m_go_to_next_page_action = GUI::Action::create("Go to &Next Page", Gfx::Bitmap::load_from_file("/res/icons/16x16/go-down.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
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VERIFY(m_viewer->current_page() < m_viewer->document()->get_page_count() - 1);
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m_page_text_box->set_current_number(m_viewer->current_page() + 2);
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m_page_text_box->set_value(m_viewer->current_page() + 2);
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});
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m_go_to_next_page_action->set_enabled(false);
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@ -279,7 +279,7 @@ void PDFViewerWidget::initialize_toolbar(GUI::Toolbar& toolbar)
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m_page_text_box = toolbar.add<GUI::NumericInput>();
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m_page_text_box->set_enabled(false);
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m_page_text_box->set_fixed_width(30);
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m_page_text_box->set_min_number(1);
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m_page_text_box->set_min(1);
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m_page_text_box->on_number_changed = [&](i64 number) {
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auto page_count = m_viewer->document()->get_page_count();
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@ -396,8 +396,8 @@ PDF::PDFErrorOr<void> PDFViewerWidget::try_open_file(StringView path, NonnullOwn
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m_total_page_label->set_text(TRY(String::formatted("of {}", document->get_page_count())));
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m_page_text_box->set_enabled(true);
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m_page_text_box->set_current_number(1, GUI::AllowCallback::No);
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m_page_text_box->set_max_number(document->get_page_count());
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m_page_text_box->set_value(1, GUI::AllowCallback::No);
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m_page_text_box->set_max(document->get_page_count());
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m_go_to_prev_page_action->set_enabled(false);
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m_go_to_next_page_action->set_enabled(document->get_page_count() > 1);
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m_toggle_sidebar_action->set_enabled(true);
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2021, Matthew Olsson <mattco@serenityos.org>
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* Copyright (c) 2024, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -7,6 +8,8 @@
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#include "NumericInput.h"
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#include <ctype.h>
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REGISTER_WIDGET(GUI, NumericInput);
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namespace GUI {
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NumericInput::NumericInput()
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@ -16,14 +19,14 @@ NumericInput::NumericInput()
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on_change = [&] {
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auto number_opt = text().to_number<int>();
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if (number_opt.has_value()) {
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set_current_number(number_opt.value(), GUI::AllowCallback::No);
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set_value(number_opt.value(), GUI::AllowCallback::No);
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return;
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}
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StringBuilder builder;
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bool first = true;
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for (auto& ch : text()) {
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if (isdigit(ch) || (first && ((ch == '-' && m_min_number < 0) || ch == '+')))
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if (isdigit(ch) || (first && ((ch == '-' && m_min < 0) || ch == '+')))
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builder.append(ch);
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first = false;
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}
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@ -37,57 +40,61 @@ NumericInput::NumericInput()
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}
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set_text(builder.to_byte_string());
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set_current_number(new_number_opt.value(), GUI::AllowCallback::No);
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set_value(new_number_opt.value(), GUI::AllowCallback::No);
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};
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on_up_pressed = [&] {
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if (m_current_number < m_max_number)
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set_current_number(m_current_number + 1);
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if (m_value < m_max)
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set_value(m_value + 1);
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};
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on_down_pressed = [&] {
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if (m_current_number > m_min_number)
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set_current_number(m_current_number - 1);
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if (m_value > m_min)
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set_value(m_value - 1);
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};
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on_focusout = [&] { on_focus_lost(); };
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on_return_pressed = [&] { on_focus_lost(); };
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on_escape_pressed = [&] { on_focus_lost(); };
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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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REGISTER_INT_PROPERTY("value", value, set_value);
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}
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void NumericInput::set_min_number(i64 number)
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void NumericInput::set_min(i64 number)
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{
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m_min_number = number;
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if (m_current_number < number)
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set_current_number(number);
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m_min = number;
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if (m_value < number)
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set_value(number);
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}
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void NumericInput::set_max_number(i64 number)
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void NumericInput::set_max(i64 number)
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{
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m_max_number = number;
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if (m_current_number > number)
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set_current_number(number);
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m_max = number;
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if (m_value > number)
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set_value(number);
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}
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void NumericInput::on_focus_lost()
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{
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if (m_needs_text_reset) {
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set_text(ByteString::number(m_current_number));
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set_text(ByteString::number(m_value));
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m_needs_text_reset = false;
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}
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if (on_number_changed)
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on_number_changed(m_current_number);
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on_number_changed(m_value);
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}
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void NumericInput::set_current_number(i64 number, GUI::AllowCallback allow_callback)
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void NumericInput::set_value(i64 number, GUI::AllowCallback allow_callback)
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{
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if (number == m_current_number)
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if (number == m_value)
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return;
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m_current_number = clamp(number, m_min_number, m_max_number);
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set_text(ByteString::number(m_current_number));
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m_value = clamp(number, ::min(m_min, m_max), ::max(m_min, m_max));
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set_text(ByteString::number(m_value));
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if (on_number_changed && allow_callback == GUI::AllowCallback::Yes)
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on_number_changed(m_current_number);
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on_number_changed(m_value);
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}
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void NumericInput::mousewheel_event(GUI::MouseEvent& event)
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@ -95,7 +102,7 @@ void NumericInput::mousewheel_event(GUI::MouseEvent& event)
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auto wheel_delta = event.wheel_delta_y() / abs(event.wheel_delta_y());
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if (event.modifiers() == KeyModifier::Mod_Ctrl)
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wheel_delta *= 6;
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set_current_number(m_current_number - wheel_delta);
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set_value(m_value - wheel_delta);
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event.accept();
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}
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2021, Matthew Olsson <mattco@serenityos.org>
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* Copyright (c) 2024, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -18,9 +19,12 @@ public:
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Function<void(i64)> on_number_changed;
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void set_min_number(i64 number);
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void set_max_number(i64 number);
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void set_current_number(i64 number, GUI::AllowCallback allow_callback = GUI::AllowCallback::Yes);
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i64 min() const { return m_min; }
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void set_min(i64 number);
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i64 max() const { return m_max; }
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void set_max(i64 number);
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i64 value() const { return m_value; }
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void set_value(i64 number, GUI::AllowCallback allow_callback = GUI::AllowCallback::Yes);
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virtual void mousewheel_event(GUI::MouseEvent&) override;
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@ -29,9 +33,9 @@ private:
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void on_focus_lost();
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bool m_needs_text_reset { false };
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i64 m_current_number { 0 };
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i64 m_min_number { NumericLimits<i64>::min() };
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i64 m_max_number { NumericLimits<i64>::max() };
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i64 m_value { 0 };
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i64 m_min { NumericLimits<i64>::min() };
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i64 m_max { NumericLimits<i64>::max() };
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};
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}
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