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1c0669f010
Instead of LibGUI and WindowServer building their own copies of the drawing and graphics code, let's it in a separate LibDraw library. This avoids building the code twice, and will encourage better separation of concerns. :^)
104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
#include <AK/StringBuilder.h>
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#include <Kernel/KeyCode.h>
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#include <LibGUI/GAction.h>
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#include <LibGUI/GActionGroup.h>
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#include <LibGUI/GButton.h>
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#include <LibGUI/GPainter.h>
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#include <LibDraw/StylePainter.h>
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GButton::GButton(GWidget* parent)
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: GAbstractButton(parent)
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{
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}
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GButton::GButton(const StringView& text, GWidget* parent)
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: GAbstractButton(text, parent)
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{
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}
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GButton::~GButton()
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{
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if (m_action)
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m_action->unregister_button({}, *this);
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}
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void GButton::paint_event(GPaintEvent& event)
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{
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GPainter painter(*this);
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painter.add_clip_rect(event.rect());
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StylePainter::paint_button(painter, rect(), m_button_style, is_being_pressed(), is_hovered(), is_checkable() && is_checked(), is_enabled());
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if (text().is_empty() && !m_icon)
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return;
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auto content_rect = rect().shrunken(10, 2);
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auto icon_location = m_icon ? content_rect.center().translated(-(m_icon->width() / 2), -(m_icon->height() / 2)) : Point();
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if (m_icon && !text().is_empty())
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icon_location.set_x(content_rect.x());
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if (is_being_pressed())
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painter.translate(1, 1);
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if (m_icon) {
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if (is_enabled())
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painter.blit(icon_location, *m_icon, m_icon->rect());
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else
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painter.blit_dimmed(icon_location, *m_icon, m_icon->rect());
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}
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auto& font = (is_checkable() && is_checked()) ? Font::default_bold_font() : this->font();
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if (m_icon && !text().is_empty()) {
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content_rect.move_by(m_icon->width() + 4, 0);
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content_rect.set_width(content_rect.width() - m_icon->width() - 4);
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}
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Rect text_rect { 0, 0, font.width(text()), font.glyph_height() };
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if (text_rect.width() > content_rect.width())
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text_rect.set_width(content_rect.width());
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text_rect.align_within(content_rect, text_alignment());
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paint_text(painter, text_rect, font, TextAlignment::Center);
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}
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void GButton::click()
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{
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if (!is_enabled())
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return;
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if (is_checkable()) {
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if (is_checked() && !is_uncheckable())
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return;
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set_checked(!is_checked());
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}
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if (on_click)
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on_click(*this);
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}
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bool GButton::supports_keyboard_activation() const
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{
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return is_enabled();
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}
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void GButton::set_action(GAction& action)
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{
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m_action = action.make_weak_ptr();
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action.register_button({}, *this);
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set_enabled(action.is_enabled());
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set_checkable(action.is_checkable());
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if (action.is_checkable())
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set_checked(action.is_checked());
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}
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void GButton::set_icon(RefPtr<GraphicsBitmap>&& icon)
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{
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if (m_icon == icon)
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return;
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m_icon = move(icon);
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update();
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}
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bool GButton::is_uncheckable() const
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{
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if (!m_action)
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return true;
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if (!m_action->group())
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return true;
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return m_action->group()->is_unchecking_allowed();
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}
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