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/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "TimelineView.h"
#include "Profile.h"
#include "TimelineTrack.h"
#include <LibGUI/BoxLayout.h>
namespace Profiler {
TimelineView::TimelineView(Profile& profile)
: m_profile(profile)
{
set_layout<GUI::VerticalBoxLayout>();
set_shrink_to_fit(true);
}
TimelineView::~TimelineView()
{
}
u64 TimelineView::timestamp_at_x(int x) const
{
float column_width = (float)width() / (float)m_profile.length_in_ms();
float ms_into_profile = (float)x / column_width;
return m_profile.first_timestamp() + (u64)ms_into_profile;
}
void TimelineView::mousedown_event(GUI::MouseEvent& event)
{
if (event.button() != GUI::MouseButton::Primary)
return;
set_selecting(true);
set_select_start_time(timestamp_at_x(event.x()));
set_select_end_time(select_start_time());
m_profile.set_timestamp_filter_range(select_start_time(), select_end_time());
update();
}
void TimelineView::mousemove_event(GUI::MouseEvent& event)
{
set_hover_time(timestamp_at_x(event.x()));
if (is_selecting()) {
set_select_end_time(hover_time());
m_profile.set_timestamp_filter_range(select_start_time(), select_end_time());
}
update();
}
void TimelineView::mouseup_event(GUI::MouseEvent& event)
{
if (event.button() != GUI::MouseButton::Primary)
return;
set_selecting(false);
if (select_start_time() == select_end_time())
m_profile.clear_timestamp_filter_range();
}
void TimelineView::mousewheel_event(GUI::MouseEvent& event)
{
if (event.modifiers() == Mod_Ctrl) {
event.accept();
m_scale += event.wheel_delta();
m_scale = clamp(m_scale, 1.0f, 100.0f);
for_each_child_of_type<TimelineTrack>([&](auto& track) {
track.set_scale(m_scale);
return IterationDecision::Continue;
});
on_scale_change();
}
}
}
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