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Profiler: Make processes selectable in the timeline view

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This commit is contained in:
Gunnar Beutner 2021-05-07 13:47:12 +02:00 • committed by Andreas Kling
parent 7b9cabb5a3
commit 43b3fd748a
3 changed files with 49 additions and 5 deletions
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29
Userland/DevTools/Profiler/TimelineHeader.cpp
View file

@ -6,19 +6,24 @@
#include "TimelineHeader.h"
#include "Process.h"
#include "Profile.h"
#include <AK/LexicalPath.h>
#include <LibGUI/FileIconProvider.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Painter.h>
#include <LibGfx/Font.h>
#include <LibGfx/Palette.h>
namespace Profiler {
TimelineHeader::TimelineHeader(Process const& process)
: m_process(process)
TimelineHeader::TimelineHeader(Profile& profile, Process const& process)
: m_profile(profile)
, m_process(process)
{
set_frame_shape(Gfx::FrameShape::Panel);
set_frame_shadow(Gfx::FrameShadow::Raised);
set_fixed_size(200, 40);
update_selection();
m_icon = GUI::FileIconProvider::icon_for_executable(m_process.executable).bitmap_for_size(32);
m_text = String::formatted("{} ({})", LexicalPath(m_process.executable).basename(), m_process.pid);
@ -34,6 +39,8 @@ void TimelineHeader::paint_event(GUI::PaintEvent& event)
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.fill_rect(frame_inner_rect(), m_selected ? palette().selection() : palette().button());
Gfx::IntRect icon_rect { frame_thickness() + 2, 0, 32, 32 };
icon_rect.center_vertically_within(frame_inner_rect());
@ -48,7 +55,23 @@ void TimelineHeader::paint_event(GUI::PaintEvent& event)
};
text_rect.center_vertically_within(frame_inner_rect());
painter.draw_text(text_rect, m_text, Gfx::TextAlignment::CenterLeft);
auto& font = m_selected ? painter.font().bold_variant() : painter.font();
auto color = m_selected ? palette().selection_text() : palette().button_text();
painter.draw_text(text_rect, m_text, font, Gfx::TextAlignment::CenterLeft, color);
}
void TimelineHeader::update_selection()
{
m_selected = m_profile.has_process_filter() && m_profile.process_filter_contains(m_process.pid, m_process.start_valid);
update();
}
void TimelineHeader::mousedown_event(GUI::MouseEvent& event)
{
if (event.button() != GUI::MouseButton::Left)
return;
m_selected = !m_selected;
on_selection_change(m_selected);
}
}

10
Userland/DevTools/Profiler/TimelineHeader.h
View file

@ -10,6 +10,7 @@
namespace Profiler {
class Profile;
class Process;
class TimelineHeader final : public GUI::Frame {
@ -18,14 +19,21 @@ class TimelineHeader final : public GUI::Frame {
public:
virtual ~TimelineHeader();
Function<void(bool)> on_selection_change;
void update_selection();
private:
TimelineHeader(Process const&);
TimelineHeader(Profile& profile, Process const&);
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
Profile& m_profile;
Process const& m_process;
RefPtr<Gfx::Bitmap> m_icon;
String m_text;
bool m_selected;
};
}

15
Userland/DevTools/Profiler/main.cpp
View file

@ -105,7 +105,20 @@ int main(int argc, char** argv)
}
if (!event_count)
continue;
timeline_header_container->add<TimelineHeader>(process);
auto& timeline_header = timeline_header_container->add<TimelineHeader>(*profile, process);
timeline_header.set_shrink_to_fit(true);
timeline_header.on_selection_change = [&](bool selected) {
if (selected) {
auto end_valid = process.end_valid == 0 ? profile->last_timestamp() : process.end_valid;
profile->set_process_filter(process.pid, process.start_valid, end_valid);
} else
profile->clear_process_filter();
timeline_header_container->for_each_child_widget([](auto& other_timeline_header) {
static_cast<TimelineHeader&>(other_timeline_header).update_selection();
return IterationDecision::Continue;
});
};
timeline_view->add<TimelineTrack>(*timeline_view, *profile, process);
}