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Profiler: Add a statusbar and show the timeline selection info in it :^)

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This commit is contained in:
Andreas Kling 2021-05-06 19:12:58 +02:00
parent 814200f8da
commit 59da118f2e
3 changed files with 48 additions and 21 deletions
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23
Userland/DevTools/Profiler/main.cpp
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@ -27,6 +27,7 @@
#include <LibGUI/ProcessChooser.h>
#include <LibGUI/ScrollableContainerWidget.h>
#include <LibGUI/Splitter.h>
#include <LibGUI/Statusbar.h>
#include <LibGUI/TabWidget.h>
#include <LibGUI/TableView.h>
#include <LibGUI/TreeView.h>
@ -140,6 +141,28 @@ int main(int argc, char** argv)
individual_sample_view.set_model(move(model));
};
const u64 start_of_trace = profile->first_timestamp();
const u64 end_of_trace = start_of_trace + 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));
};
auto& statusbar = main_widget.add<GUI::Statusbar>();
timeline_view->on_selection_change = [&] {
auto& view = *timeline_view;
StringBuilder builder;
u64 normalized_start_time = clamp_timestamp(min(view.select_start_time(), view.select_end_time()));
u64 normalized_end_time = clamp_timestamp(max(view.select_start_time(), view.select_end_time()));
u64 normalized_hover_time = clamp_timestamp(view.hover_time());
builder.appendff("Time: {} ms", normalized_hover_time - start_of_trace);
if (normalized_start_time != normalized_end_time) {
auto start = normalized_start_time - start_of_trace;
auto end = normalized_end_time - start_of_trace;
builder.appendff(", Selection: {} - {} ms", start, end);
}
statusbar.set_text(builder.to_string());
};
auto menubar = GUI::Menubar::construct();
auto& file_menu = menubar->add_menu("&File");
file_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));