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132 lines
3.4 KiB
C++
132 lines
3.4 KiB
C++
#include <LibGUI/GCheckBox.h>
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#include <LibGUI/GPainter.h>
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#include <SharedGraphics/CharacterBitmap.h>
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#include <SharedGraphics/StylePainter.h>
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#include <Kernel/KeyCode.h>
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//#define GCHECKBOX_DEBUG
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static const char* s_checked_bitmap_data = {
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" "
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" ## "
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" ## "
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" ## "
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" ## "
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" ## ## "
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" #### "
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" ## "
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" "
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};
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static CharacterBitmap* s_checked_bitmap;
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static const int s_checked_bitmap_width = 9;
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static const int s_checked_bitmap_height = 9;
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static const int s_box_width = 13;
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static const int s_box_height = 13;
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GCheckBox::GCheckBox(GWidget* parent)
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: GWidget(parent)
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{
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if (!s_checked_bitmap)
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s_checked_bitmap = &CharacterBitmap::create_from_ascii(s_checked_bitmap_data, s_checked_bitmap_width, s_checked_bitmap_height).leak_ref();
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}
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GCheckBox::~GCheckBox()
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{
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}
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void GCheckBox::set_caption(String&& caption)
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{
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if (caption == m_caption)
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return;
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m_caption = move(caption);
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update();
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}
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void GCheckBox::set_checked(bool b)
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{
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if (m_checked == b)
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return;
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m_checked = b;
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if (on_change)
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on_change(*this, b);
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update();
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}
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void GCheckBox::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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auto text_rect = rect();
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text_rect.set_left(s_box_width + 4);
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text_rect.set_top(height() / 2 - font().glyph_height() / 2);
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if (fill_with_background_color())
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painter.fill_rect(rect(), background_color());
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Rect box_rect {
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0, height() / 2 - s_box_height / 2 - 1,
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s_box_width, s_box_height
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};
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painter.fill_rect(box_rect, Color::White);
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StylePainter::paint_frame(painter, box_rect, FrameShape::Container, FrameShadow::Sunken, 2);
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if (m_being_modified)
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painter.draw_rect(box_rect.shrunken(4, 4), Color::MidGray);
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if (m_checked)
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painter.draw_bitmap(box_rect.shrunken(4, 4).location(), *s_checked_bitmap, foreground_color());
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if (!caption().is_empty())
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painter.draw_text(text_rect, caption(), TextAlignment::TopLeft, foreground_color());
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}
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void GCheckBox::mousemove_event(GMouseEvent& event)
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{
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if (event.buttons() == GMouseButton::Left) {
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bool being_modified = rect().contains(event.position());
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if (being_modified != m_being_modified) {
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m_being_modified = being_modified;
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update();
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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 GCheckBox::mousedown_event(GMouseEvent& event)
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{
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#ifdef GCHECKBOX_DEBUG
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dbgprintf("GCheckBox::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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m_being_modified = true;
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update();
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}
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GWidget::mousedown_event(event);
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}
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void GCheckBox::mouseup_event(GMouseEvent& event)
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{
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#ifdef GCHECKBOX_DEBUG
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dbgprintf("GCheckBox::mouseup_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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bool was_being_pressed = m_being_modified;
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m_being_modified = false;
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if (was_being_pressed)
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set_checked(!is_checked());
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update();
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}
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GWidget::mouseup_event(event);
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}
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void GCheckBox::keydown_event(GKeyEvent& event)
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{
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if (event.key() == KeyCode::Key_Space) {
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set_checked(!is_checked());
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update();
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}
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GWidget::keydown_event(event);
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}
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