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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/ImageWidget.h>
#include <LibGUI/Label.h>
#include <LibGUI/MessageBox.h>
#include <LibGfx/Font.h>
namespace GUI {
int MessageBox::show(Window* parent_window, const StringView& text, const StringView& title, Type type, InputType input_type)
{
auto box = MessageBox::construct(parent_window, text, title, type, input_type);
if (parent_window)
box->set_icon(parent_window->icon());
return box->exec();
}
int MessageBox::show_error(Window* parent_window, const StringView& text)
{
return show(parent_window, text, "Error", GUI::MessageBox::Type::Error, GUI::MessageBox::InputType::OK);
}
MessageBox::MessageBox(Window* parent_window, const StringView& text, const StringView& title, Type type, InputType input_type)
: Dialog(parent_window)
, m_text(text)
, m_type(type)
, m_input_type(input_type)
{
set_title(title);
build();
}
MessageBox::~MessageBox()
{
}
RefPtr<Gfx::Bitmap> MessageBox::icon() const
{
switch (m_type) {
case Type::Information:
return Gfx::Bitmap::try_load_from_file("/res/icons/32x32/msgbox-information.png");
case Type::Warning:
return Gfx::Bitmap::try_load_from_file("/res/icons/32x32/msgbox-warning.png");
case Type::Error:
return Gfx::Bitmap::try_load_from_file("/res/icons/32x32/msgbox-error.png");
case Type::Question:
return Gfx::Bitmap::try_load_from_file("/res/icons/32x32/msgbox-question.png");
default:
return nullptr;
}
}
bool MessageBox::should_include_ok_button() const
{
return m_input_type == InputType::OK || m_input_type == InputType::OKCancel;
}
bool MessageBox::should_include_cancel_button() const
{
return m_input_type == InputType::OKCancel || m_input_type == InputType::YesNoCancel;
}
bool MessageBox::should_include_yes_button() const
{
return m_input_type == InputType::YesNo || m_input_type == InputType::YesNoCancel;
}
bool MessageBox::should_include_no_button() const
{
return should_include_yes_button();
}
void MessageBox::build()
{
auto& widget = set_main_widget<Widget>();
int text_width = widget.font().width(m_text);
auto number_of_lines = m_text.split('\n').size();
int padded_text_height = widget.font().glyph_height() * 1.6;
int total_text_height = number_of_lines * padded_text_height;
int icon_width = 0;
widget.set_layout<VerticalBoxLayout>();
widget.set_fill_with_background_color(true);
widget.layout()->set_margins(8);
widget.layout()->set_spacing(6);
auto& message_container = widget.add<Widget>();
message_container.set_layout<HorizontalBoxLayout>();
message_container.layout()->set_spacing(8);
if (m_type != Type::None) {
auto& icon_image = message_container.add<ImageWidget>();
icon_image.set_bitmap(icon());
if (icon()) {
icon_width = icon()->width();
if (icon_width > 0)
message_container.layout()->set_margins({ 0, 0, 0, 8 });
}
}
auto& label = message_container.add<Label>(m_text);
label.set_fixed_height(total_text_height);
if (m_type != Type::None)
label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
auto& button_container = widget.add<Widget>();
button_container.set_layout<HorizontalBoxLayout>();
button_container.set_fixed_height(24);
button_container.layout()->set_spacing(8);
constexpr int button_width = 80;
int button_count = 0;
auto add_button = [&](String label, Dialog::ExecResult result) {
auto& button = button_container.add<Button>();
button.set_fixed_width(button_width);
button.set_text(label);
button.on_click = [this, label, result](auto) {
done(result);
};
++button_count;
};
button_container.layout()->add_spacer();
if (should_include_ok_button())
add_button("OK", Dialog::ExecOK);
if (should_include_yes_button())
add_button("Yes", Dialog::ExecYes);
if (should_include_no_button())
add_button("No", Dialog::ExecNo);
if (should_include_cancel_button())
add_button("Cancel", Dialog::ExecCancel);
button_container.layout()->add_spacer();
int width = (button_count * button_width) + ((button_count - 1) * button_container.layout()->spacing()) + 32;
width = max(width, text_width + icon_width + 56);
set_rect(x(), y(), width, 80 + label.max_height());
set_resizable(false);
}
}
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