mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-30 03:20:28 +00:00
115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
#include <AK/String.h>
|
|
#include <AK/StringBuilder.h>
|
|
#include <AK/Vector.h>
|
|
#include <LibGUI/GPainter.h>
|
|
|
|
#include "TextWidget.h"
|
|
|
|
TextWidget::TextWidget(GWidget* parent)
|
|
: GFrame(parent)
|
|
{
|
|
}
|
|
|
|
TextWidget::TextWidget(const StringView& text, GWidget* parent)
|
|
: GFrame(parent)
|
|
, m_text(text)
|
|
{
|
|
}
|
|
|
|
TextWidget::~TextWidget()
|
|
{
|
|
}
|
|
|
|
void TextWidget::set_text(const StringView& text)
|
|
{
|
|
if (text == m_text)
|
|
return;
|
|
m_text = text;
|
|
wrap_and_set_height();
|
|
update();
|
|
}
|
|
|
|
void TextWidget::paint_event(GPaintEvent& event)
|
|
{
|
|
GFrame::paint_event(event);
|
|
|
|
GPainter painter(*this);
|
|
painter.add_clip_rect(event.rect());
|
|
|
|
int indent = 0;
|
|
if (frame_thickness() > 0)
|
|
indent = font().glyph_width('x') / 2;
|
|
|
|
for (int i = 0; i < m_lines.size(); i++) {
|
|
auto& line = m_lines[i];
|
|
|
|
auto text_rect = frame_inner_rect();
|
|
text_rect.move_by(indent, i * m_line_height);
|
|
if (!line.is_empty())
|
|
text_rect.set_width(text_rect.width() - indent * 2);
|
|
|
|
if (is_enabled()) {
|
|
painter.draw_text(text_rect, line, m_text_alignment, foreground_color(), TextElision::None);
|
|
} else {
|
|
painter.draw_text(text_rect.translated(1, 1), line, font(), text_alignment(), Color::White, TextElision::Right);
|
|
painter.draw_text(text_rect, line, font(), text_alignment(), Color::from_rgb(0x808080), TextElision::Right);
|
|
}
|
|
}
|
|
}
|
|
|
|
void TextWidget::resize_event(GResizeEvent& event)
|
|
{
|
|
wrap_and_set_height();
|
|
GWidget::resize_event(event);
|
|
}
|
|
|
|
void TextWidget::wrap_and_set_height()
|
|
{
|
|
Vector<String> words;
|
|
int start = -1;
|
|
for (int i = 0; i < m_text.length(); i++) {
|
|
auto ch = m_text[i];
|
|
|
|
if (ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n') {
|
|
if (start != -1)
|
|
words.append(m_text.substring(start, i - start));
|
|
start = -1;
|
|
} else if (start == -1) {
|
|
start = i;
|
|
}
|
|
}
|
|
if (start != -1)
|
|
words.append(m_text.substring(start, m_text.length() - start));
|
|
|
|
auto rect = frame_inner_rect();
|
|
if (frame_thickness() > 0)
|
|
rect.set_width(rect.width() - font().glyph_width('x'));
|
|
|
|
StringBuilder builder;
|
|
Vector<String> lines;
|
|
int line_width = 0;
|
|
for (auto& word : words) {
|
|
int word_width = font().width(word);
|
|
if (line_width != 0)
|
|
word_width += font().glyph_width('x');
|
|
|
|
if (line_width + word_width > rect.width()) {
|
|
lines.append(builder.to_string());
|
|
line_width = 0;
|
|
}
|
|
|
|
if (line_width != 0)
|
|
builder.append(' ');
|
|
builder.append(word);
|
|
line_width += word_width;
|
|
}
|
|
auto last_line = builder.to_string();
|
|
if (!last_line.is_empty()) {
|
|
lines.append(last_line);
|
|
}
|
|
|
|
m_lines = lines;
|
|
|
|
set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
|
|
set_preferred_size(0, m_lines.size() * m_line_height + frame_thickness() * 2);
|
|
}
|