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Profiler: Migrate mouse events to TimelineView

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This change allows for continuous mouse events when hovering the
layout spaces between tracks.
This commit is contained in:
Carlos César Neves Enumo 2021-05-08 03:27:13 -03:00 • committed by Andreas Kling
parent 99f141522a
commit 325d9445fd
5 changed files with 76 additions and 57 deletions
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56
Userland/DevTools/Profiler/TimelineTrack.cpp
View file

@ -13,7 +13,7 @@
namespace Profiler {
TimelineTrack::TimelineTrack(TimelineView& view, Profile& profile, Process const& process)
TimelineTrack::TimelineTrack(TimelineView const& view, Profile const& profile, Process const& process)
: m_view(view)
, m_profile(profile)
, m_process(process)
@ -29,6 +29,19 @@ 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);
@ -76,45 +89,4 @@ void TimelineTrack::paint_event(GUI::PaintEvent& event)
painter.fill_rect({ select_hover_x, frame_thickness(), 1, height() - frame_thickness() * 2 }, Color::NamedColor::Black);
}
u64 TimelineTrack::timestamp_at_x(int x) const
{
float column_width = (float)frame_inner_rect().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 TimelineTrack::mousedown_event(GUI::MouseEvent& event)
{
if (event.button() != GUI::MouseButton::Left)
return;
m_view.set_selecting({}, true);
m_view.set_select_start_time({}, timestamp_at_x(event.x()));
m_view.set_select_end_time({}, m_view.select_start_time());
m_profile.set_timestamp_filter_range(m_view.select_start_time(), m_view.select_end_time());
update();
}
void TimelineTrack::mousemove_event(GUI::MouseEvent& event)
{
m_view.set_hover_time({}, timestamp_at_x(event.x()));
if (m_view.is_selecting()) {
m_view.set_select_end_time({}, m_view.hover_time());
m_profile.set_timestamp_filter_range(m_view.select_start_time(), m_view.select_end_time());
}
update();
}
void TimelineTrack::mouseup_event(GUI::MouseEvent& event)
{
if (event.button() != GUI::MouseButton::Left)
return;
m_view.set_selecting({}, false);
if (m_view.select_start_time() == m_view.select_end_time())
m_profile.clear_timestamp_filter_range();
}
}

12
Userland/DevTools/Profiler/TimelineTrack.h
View file

@ -21,17 +21,13 @@ public:
virtual ~TimelineTrack() override;
private:
virtual void event(Core::Event&) override;
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void mouseup_event(GUI::MouseEvent&) override;
explicit TimelineTrack(TimelineView&, Profile&, Process const&);
explicit TimelineTrack(TimelineView const&, Profile const&, Process const&);
u64 timestamp_at_x(int x) const;
TimelineView& m_view;
Profile& m_profile;
TimelineView const& m_view;
Profile const& m_profile;
Process const& m_process;
};

45
Userland/DevTools/Profiler/TimelineView.cpp
View file

@ -5,11 +5,13 @@
*/
#include "TimelineView.h"
#include "Profile.h"
#include <LibGUI/BoxLayout.h>
namespace Profiler {
TimelineView::TimelineView()
TimelineView::TimelineView(Profile& profile)
: m_profile(profile)
{
set_layout<GUI::VerticalBoxLayout>();
set_shrink_to_fit(true);
@ -19,4 +21,45 @@ 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::Left)
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::Left)
return;
set_selecting(false);
if (select_start_time() == select_end_time())
m_profile.clear_timestamp_filter_range();
}
}

18
Userland/DevTools/Profiler/TimelineView.h
View file

@ -10,6 +10,7 @@
namespace Profiler {
class Profile;
class TimelineTrack;
class TimelineView final : public GUI::Widget {
@ -25,14 +26,14 @@ public:
u64 select_end_time() const { return m_select_end_time; }
u64 hover_time() const { return m_hover_time; }
void set_selecting(Badge<TimelineTrack>, bool value)
void set_selecting(bool value)
{
if (m_selecting == value)
return;
m_selecting = value;
}
void set_select_start_time(Badge<TimelineTrack>, u64 value)
void set_select_start_time(u64 value)
{
if (m_select_start_time == value)
return;
@ -41,7 +42,7 @@ public:
if (on_selection_change)
on_selection_change();
}
void set_select_end_time(Badge<TimelineTrack>, u64 value)
void set_select_end_time(u64 value)
{
if (m_select_end_time == value)
return;
@ -50,7 +51,7 @@ public:
if (on_selection_change)
on_selection_change();
}
void set_hover_time(Badge<TimelineTrack>, u64 value)
void set_hover_time(u64 value)
{
if (m_hover_time == value)
return;
@ -61,8 +62,15 @@ public:
}
private:
TimelineView();
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void mouseup_event(GUI::MouseEvent&) override;
explicit TimelineView(Profile&);
u64 timestamp_at_x(int x) const;
Profile& m_profile;
bool m_selecting { false };
u64 m_select_start_time { 0 };
u64 m_select_end_time { 0 };

2
Userland/DevTools/Profiler/main.cpp
View file

@ -96,7 +96,7 @@ int main(int argc, char** argv)
timeline_header_container->set_fill_with_background_color(true);
timeline_header_container->set_shrink_to_fit(true);
auto timeline_view = TimelineView::construct();
auto timeline_view = TimelineView::construct(*profile);
for (auto& process : profile->processes()) {
bool matching_event_found = false;
for (auto& event : profile->events()) {