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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "TimelineTrack.h"
#include "Profile.h"
#include "TimelineView.h"
#include <LibGUI/Painter.h>
#include <LibGfx/Font.h>
#include <LibGfx/Palette.h>
namespace Profiler {
TimelineTrack::TimelineTrack(TimelineView const& view, Profile const& profile, Process const& process)
: m_view(view)
, m_profile(profile)
, m_process(process)
{
set_fill_with_background_color(true);
set_background_role(Gfx::ColorRole::Base);
set_fixed_height(40);
set_fixed_width(m_profile.length_in_ms() / 10);
set_frame_thickness(1);
}
TimelineTrack::~TimelineTrack()
{
}
void TimelineTrack::event(Core::Event& event)
{
switch (event.type()) {
case GUI::Event::MouseUp:
case GUI::Event::MouseDown:
case GUI::Event::MouseMove:
event.ignore();
default:
break;
}
GUI::Frame::event(event);
}
void TimelineTrack::paint_event(GUI::PaintEvent& event)
{
GUI::Frame::paint_event(event);
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
const u64 start_of_trace = m_profile.first_timestamp();
const u64 end_of_trace = start_of_trace + m_profile.length_in_ms();
const auto clamp_timestamp = [start_of_trace, end_of_trace](u64 timestamp) -> u64 {
return min(end_of_trace, max(timestamp, start_of_trace));
};
float column_width = (float)frame_inner_rect().width() / (float)m_profile.length_in_ms();
float frame_height = (float)frame_inner_rect().height() / (float)m_profile.deepest_stack_depth();
for (auto& event : m_profile.events()) {
if (event.pid != m_process.pid)
continue;
if (!m_process.valid_at(event.timestamp))
continue;
u64 t = clamp_timestamp(event.timestamp) - start_of_trace;
int x = (int)((float)t * column_width);
int cw = max(1, (int)column_width);
int column_height = frame_inner_rect().height() - (int)((float)event.frames.size() * frame_height);
bool in_kernel = event.in_kernel;
Color color = in_kernel ? Color::from_rgb(0xc25e5a) : Color::from_rgb(0x5a65c2);
for (int i = 1; i <= cw; ++i)
painter.draw_line({ x + i, frame_thickness() + column_height }, { x + i, height() - frame_thickness() * 2 }, color);
}
u64 normalized_start_time = clamp_timestamp(min(m_view.select_start_time(), m_view.select_end_time()));
u64 normalized_end_time = clamp_timestamp(max(m_view.select_start_time(), m_view.select_end_time()));
u64 normalized_hover_time = clamp_timestamp(m_view.hover_time());
int select_start_x = (int)((float)(normalized_start_time - start_of_trace) * column_width);
int select_end_x = (int)((float)(normalized_end_time - start_of_trace) * column_width);
int select_hover_x = (int)((float)(normalized_hover_time - start_of_trace) * column_width);
painter.fill_rect({ select_start_x, frame_thickness(), select_end_x - select_start_x, height() - frame_thickness() * 2 }, Color(0, 0, 0, 60));
painter.fill_rect({ select_hover_x, frame_thickness(), 1, height() - frame_thickness() * 2 }, Color::NamedColor::Black);
}
}
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