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d12857fc36
This is done by dispatching a (synchronous) "EnabledChange" event that can be picked up in change_event(). Use this event to kick widgets out of their "being pressed"-type modes if the user is interacting with them while the state is programmatically changed.
139 lines
3.5 KiB
C++
139 lines
3.5 KiB
C++
#include <LibGUI/GAbstractButton.h>
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#include <LibGUI/GPainter.h>
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GAbstractButton::GAbstractButton(GWidget* parent)
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: GWidget(parent)
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{
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}
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GAbstractButton::GAbstractButton(const String& text, GWidget* parent)
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: GWidget(parent)
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, m_text(text)
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{
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}
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GAbstractButton::~GAbstractButton()
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{
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}
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void GAbstractButton::set_text(const String& text)
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{
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if (m_text == text)
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return;
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m_text = text;
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update();
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}
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void GAbstractButton::set_checked(bool checked)
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{
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if (m_checked == checked)
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return;
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m_checked = checked;
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update();
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if (on_checked)
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on_checked(checked);
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}
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void GAbstractButton::set_checkable(bool checkable)
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{
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if (m_checkable == checkable)
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return;
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m_checkable = checkable;
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update();
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}
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void GAbstractButton::mousemove_event(GMouseEvent& event)
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{
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bool is_over = rect().contains(event.position());
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m_hovered = is_over;
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if (event.buttons() & GMouseButton::Left) {
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if (is_enabled()) {
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bool being_pressed = is_over;
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if (being_pressed != m_being_pressed) {
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m_being_pressed = being_pressed;
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update();
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}
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}
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}
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GWidget::mousemove_event(event);
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}
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void GAbstractButton::mousedown_event(GMouseEvent& event)
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{
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#ifdef GABSTRACTBUTTON_DEBUG
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dbgprintf("GAbstractButton::mouse_down_event: x=%d, y=%d, button=%u\n", event.x(), event.y(), (unsigned)event.button());
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#endif
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if (event.button() == GMouseButton::Left) {
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if (is_enabled()) {
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m_being_pressed = true;
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update();
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}
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}
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GWidget::mousedown_event(event);
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}
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void GAbstractButton::mouseup_event(GMouseEvent& event)
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{
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#ifdef GABSTRACTBUTTON_DEBUG
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dbgprintf("GAbstractButton::mouse_up_event: x=%d, y=%d, button=%u\n", event.x(), event.y(), (unsigned)event.button());
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#endif
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if (event.button() == GMouseButton::Left) {
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if (is_enabled()) {
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bool was_being_pressed = m_being_pressed;
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m_being_pressed = false;
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update();
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if (was_being_pressed)
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click();
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}
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}
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GWidget::mouseup_event(event);
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}
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void GAbstractButton::enter_event(CEvent&)
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{
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m_hovered = true;
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update();
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}
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void GAbstractButton::leave_event(CEvent&)
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{
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m_hovered = false;
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update();
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}
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void GAbstractButton::keydown_event(GKeyEvent& event)
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{
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if (event.key() == KeyCode::Key_Return)
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click();
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GWidget::keydown_event(event);
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}
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void GAbstractButton::paint_text(GPainter& painter, const Rect& rect, const Font& font, TextAlignment text_alignment)
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{
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auto clipped_rect = rect.intersected(this->rect());
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if (!is_enabled()) {
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painter.draw_text(clipped_rect.translated(1, 1), text(), font, text_alignment, Color::White, TextElision::Right);
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painter.draw_text(clipped_rect, text(), font, text_alignment, Color::from_rgb(0x808080), TextElision::Right);
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return;
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}
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if (text().is_empty())
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return;
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painter.draw_text(clipped_rect, text(), font, text_alignment, foreground_color(), TextElision::Right);
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if (is_focused())
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painter.draw_rect(clipped_rect.inflated(6, 4), Color(140, 140, 140));
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}
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void GAbstractButton::change_event(GEvent& event)
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{
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if (event.type() == GEvent::Type::EnabledChange) {
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if (!is_enabled()) {
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bool was_being_pressed = m_being_pressed;
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m_being_pressed = false;
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if (was_being_pressed)
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update();
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}
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}
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GWidget::change_event(event);
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}
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