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107 lines
3.8 KiB
C++
107 lines
3.8 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Button.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/ProcessChooser.h>
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#include <LibGUI/RunningProcessesModel.h>
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#include <LibGUI/SortingProxyModel.h>
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#include <LibGUI/TableView.h>
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namespace GUI {
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ProcessChooser::ProcessChooser(StringView window_title, String button_label, Gfx::Bitmap const* window_icon, GUI::Window* parent_window)
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: Dialog(parent_window)
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, m_window_title(window_title)
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, m_button_label(move(button_label))
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, m_window_icon(window_icon)
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{
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set_title(m_window_title);
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if (m_window_icon)
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set_icon(m_window_icon);
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else if (parent_window)
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set_icon(parent_window->icon());
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resize(300, 340);
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center_on_screen();
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auto widget = set_main_widget<GUI::Widget>();
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widget->set_fill_with_background_color(true);
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widget->set_layout<GUI::VerticalBoxLayout>();
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m_table_view = widget->add<GUI::TableView>();
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auto process_model = RunningProcessesModel::create();
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auto sorting_model = MUST(GUI::SortingProxyModel::create(process_model));
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sorting_model->set_sort_role(GUI::ModelRole::Display);
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m_table_view->set_model(sorting_model);
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m_table_view->set_key_column_and_sort_order(RunningProcessesModel::Column::PID, GUI::SortOrder::Descending);
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m_process_model = process_model;
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m_table_view->on_activation = [this](ModelIndex const& index) { set_pid_from_index_and_close(index); };
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auto& button_container = widget->add<GUI::Widget>();
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button_container.set_fixed_height(30);
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button_container.set_layout<GUI::HorizontalBoxLayout>(GUI::Margins { 0, 4, 0 });
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button_container.add_spacer();
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auto& select_button = button_container.add<GUI::Button>(m_button_label);
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select_button.set_fixed_width(80);
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select_button.on_click = [this](auto) {
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if (m_table_view->selection().is_empty()) {
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GUI::MessageBox::show(this, "No process selected!"sv, m_window_title, GUI::MessageBox::Type::Error);
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return;
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}
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auto index = m_table_view->selection().first();
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set_pid_from_index_and_close(index);
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};
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auto& cancel_button = button_container.add<GUI::Button>("Cancel"_string);
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cancel_button.set_fixed_width(80);
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cancel_button.on_click = [this](auto) {
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done(ExecResult::Cancel);
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};
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m_process_model->update();
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m_refresh_timer = add<Core::Timer>();
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m_refresh_timer->start(m_refresh_interval); // Start the timer to update the processes
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m_refresh_timer->on_timeout = [this] {
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auto previous_selected_pid = -1; // Store the selection index to not to clear the selection upon update.
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if (!m_table_view->selection().is_empty()) {
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auto pid_as_variant = m_table_view->selection().first().data(GUI::ModelRole::Custom);
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previous_selected_pid = pid_as_variant.as_i32();
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}
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m_process_model->update();
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if (previous_selected_pid == -1) {
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return;
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}
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auto model = m_table_view->model();
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auto row_count = model->row_count();
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auto column_index = 1; // Corresponds to PID column in the m_table_view.
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for (int row_index = 0; row_index < row_count; ++row_index) {
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auto cell_index = model->index(row_index, column_index);
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auto pid_as_variant = cell_index.data(GUI::ModelRole::Custom);
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if (previous_selected_pid == pid_as_variant.as_i32()) {
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m_table_view->selection().set(cell_index); // Set only if PIDs are matched.
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}
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}
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};
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}
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void ProcessChooser::set_pid_from_index_and_close(ModelIndex const& index)
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{
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m_pid = index.data(GUI::ModelRole::Custom).as_i32();
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done(ExecResult::OK);
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}
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}
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