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#include "GlyphMapWidget.h"
#include <LibDraw/Palette.h>
#include <LibGUI/GPainter.h>
GlyphMapWidget::GlyphMapWidget(Font& mutable_font, GWidget* parent)
: GFrame(parent)
, m_font(mutable_font)
{
set_frame_thickness(2);
set_frame_shape(FrameShape::Container);
set_frame_shadow(FrameShadow::Sunken);
set_relative_rect({ 0, 0, preferred_width(), preferred_height() });
}
GlyphMapWidget::~GlyphMapWidget()
{
}
int GlyphMapWidget::preferred_width() const
{
return columns() * (font().max_glyph_width() + m_horizontal_spacing) + 2 + frame_thickness() * 2;
}
int GlyphMapWidget::preferred_height() const
{
return rows() * (font().glyph_height() + m_vertical_spacing) + 2 + frame_thickness() * 2;
}
void GlyphMapWidget::set_selected_glyph(u8 glyph)
{
if (m_selected_glyph == glyph)
return;
m_selected_glyph = glyph;
if (on_glyph_selected)
on_glyph_selected(glyph);
update();
}
Rect GlyphMapWidget::get_outer_rect(u8 glyph) const
{
int row = glyph / columns();
int column = glyph % columns();
return Rect {
column * (font().max_glyph_width() + m_horizontal_spacing) + 1,
row * (font().glyph_height() + m_vertical_spacing) + 1,
font().max_glyph_width() + m_horizontal_spacing,
font().glyph_height() + m_horizontal_spacing
}
.translated(frame_thickness(), frame_thickness());
}
void GlyphMapWidget::update_glyph(u8 glyph)
{
update(get_outer_rect(glyph));
}
void GlyphMapWidget::paint_event(GPaintEvent& event)
{
GFrame::paint_event(event);
GPainter painter(*this);
painter.add_clip_rect(event.rect());
painter.set_font(font());
painter.fill_rect(frame_inner_rect(), Color::White);
u8 glyph = 0;
for (int row = 0; row < rows(); ++row) {
for (int column = 0; column < columns(); ++column, ++glyph) {
Rect outer_rect = get_outer_rect(glyph);
Rect inner_rect(
outer_rect.x() + m_horizontal_spacing / 2,
outer_rect.y() + m_vertical_spacing / 2,
font().max_glyph_width(),
font().glyph_height());
if (glyph == m_selected_glyph) {
painter.fill_rect(outer_rect, palette().selection());
painter.draw_glyph(inner_rect.location(), glyph, Color::White);
} else {
painter.draw_glyph(inner_rect.location(), glyph, Color::Black);
}
}
}
}
void GlyphMapWidget::mousedown_event(GMouseEvent& event)
{
// FIXME: This is a silly loop.
for (unsigned glyph = 0; glyph < 256; ++glyph) {
if (get_outer_rect(glyph).contains(event.position())) {
set_selected_glyph(glyph);
break;
}
}
}
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