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GApplication now has a palette. This palette contains all the system theme colors by default, and is inherited by a new top-level GWidget. New child widgets inherit their parents palette. It is possible to override the GApplication palette, and the palette of any GWidget. The Palette object contains a bunch of colors, each corresponding to a ColorRole. Each role has a convenience getter as well. Each GWidget now has a background_role() and foreground_role(), which are then looked up in their current palette when painting. This means that you no longer alter the background color of a widget by setting it directly, rather you alter either its background role, or the widget's palette.
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#include <LibDraw/GraphicsBitmap.h>
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#include <LibDraw/Palette.h>
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#include <LibGUI/GLabel.h>
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#include <LibGUI/GPainter.h>
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GLabel::GLabel(GWidget* parent)
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: GFrame(parent)
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{
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}
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GLabel::GLabel(const StringView& text, GWidget* parent)
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: GFrame(parent)
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, m_text(text)
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{
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}
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GLabel::~GLabel()
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{
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}
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void GLabel::set_icon(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 = icon;
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update();
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}
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void GLabel::set_text(const StringView& text)
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{
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if (text == m_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 GLabel::paint_event(GPaintEvent& event)
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{
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GFrame::paint_event(event);
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GPainter painter(*this);
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painter.add_clip_rect(event.rect());
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if (m_icon) {
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if (m_should_stretch_icon) {
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painter.draw_scaled_bitmap(frame_inner_rect(), *m_icon, m_icon->rect());
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} else {
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auto icon_location = frame_inner_rect().center().translated(-(m_icon->width() / 2), -(m_icon->height() / 2));
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painter.blit(icon_location, *m_icon, m_icon->rect());
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}
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}
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if (text().is_empty())
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return;
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int indent = 0;
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if (frame_thickness() > 0)
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indent = font().glyph_width('x') / 2;
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auto text_rect = frame_inner_rect();
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text_rect.move_by(indent, 0);
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text_rect.set_width(text_rect.width() - indent * 2);
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if (is_enabled()) {
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painter.draw_text(text_rect, text(), m_text_alignment, palette().window_text(), TextElision::Right);
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} else {
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painter.draw_text(text_rect.translated(1, 1), text(), font(), text_alignment(), Color::White, TextElision::Right);
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painter.draw_text(text_rect, text(), font(), text_alignment(), Color::from_rgb(0x808080), TextElision::Right);
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}
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}
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void GLabel::size_to_fit()
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{
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set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
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set_preferred_size(font().width(m_text), 0);
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}
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