forked from Bananymous/banan-os
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
#include <LibFont/Font.h>
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#include <LibGUI/Widget/Button.h>
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#include <LibGUI/Window.h>
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namespace LibGUI::Widget
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{
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BAN::ErrorOr<BAN::RefPtr<Button>> Button::create(BAN::RefPtr<Widget> parent, BAN::StringView text, Rectangle geometry)
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{
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auto* button_ptr = new Button(parent, geometry);
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if (button_ptr == nullptr)
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return BAN::Error::from_errno(ENOMEM);
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auto button = BAN::RefPtr<Button>::adopt(button_ptr);
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TRY(button->initialize(color_invisible));
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TRY(button->m_text.append(text));
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return button;
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}
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BAN::ErrorOr<void> Button::set_text(BAN::StringView text)
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{
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m_text.clear();
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TRY(m_text.append(text));
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if (is_shown())
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show();
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return {};
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}
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void Button::update_impl()
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{
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const bool hover_color = is_hovered() && !is_child_hovered();
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if (hover_color != m_hover_state)
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show();
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}
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void Button::show_impl()
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{
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m_hover_state = is_hovered() && !is_child_hovered();
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const auto& font = default_font();
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const int32_t text_h = font.height();
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const int32_t text_w = font.width() * m_text.size();
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const int32_t off_x = (static_cast<int32_t>(width()) - text_w) / 2;
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const int32_t off_y = (static_cast<int32_t>(height()) - text_h) / 2;
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m_texture.fill(m_hover_state ? m_style.color_hovered : m_style.color_normal);
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m_texture.draw_text(m_text, font, off_x, off_y, m_style.color_text);
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RoundedWidget::style() = m_style;
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RoundedWidget::show_impl();
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}
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bool Button::on_mouse_button_impl(LibGUI::EventPacket::MouseButtonEvent::event_t event)
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{
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if (event.pressed && event.button == LibInput::MouseButton::Left && m_click_callback)
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m_click_callback();
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return true;
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}
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}
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