a79bac428b
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.
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
#include <AK/StringBuilder.h>
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#include <LibGUI/GPainter.h>
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#include <LibGUI/GProgressBar.h>
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GProgressBar::GProgressBar(GWidget* parent)
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: GFrame(parent)
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{
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set_frame_shape(FrameShape::Container);
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set_frame_shadow(FrameShadow::Sunken);
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set_frame_thickness(2);
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}
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GProgressBar::~GProgressBar()
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{
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}
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void GProgressBar::set_value(int value)
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{
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if (m_value == value)
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return;
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m_value = value;
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update();
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}
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void GProgressBar::set_range(int min, int max)
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{
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ASSERT(min < max);
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m_min = min;
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m_max = max;
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if (m_value > m_max)
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m_value = m_max;
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if (m_value < m_min)
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m_value = m_min;
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}
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void GProgressBar::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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auto rect = frame_inner_rect();
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painter.add_clip_rect(rect);
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painter.add_clip_rect(event.rect());
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String progress_text;
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if (m_format != Format::NoText) {
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// Then we draw the progress text over the gradient.
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// We draw it twice, once offset (1, 1) for a drop shadow look.
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StringBuilder builder;
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builder.append(m_caption);
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if (m_format == Format::Percentage) {
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float range_size = m_max - m_min;
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float progress = (m_value - m_min) / range_size;
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builder.appendf("%d%%", (int)(progress * 100));
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} else if (m_format == Format::ValueSlashMax) {
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builder.appendf("%d/%d", m_value, m_max);
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}
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progress_text = builder.to_string();
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}
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StylePainter::paint_progress_bar(painter, rect, palette(), m_min, m_max, m_value, progress_text);
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}
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