mirror of
https://github.com/RGBCube/serenity
synced 2025-05-16 10:24:59 +00:00
c982bfee7e
There were two issues with this code: - The result of the readlink() call was checked incorrectly for errors. - This code shouldn't return because otherwise it leaves the GUI buttons uninitialized below, causing RefPtr asserts to trigger when the dialog tries to access the buttons later on.
284 lines
10 KiB
C++
284 lines
10 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "PropertiesDialog.h"
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#include <AK/StringBuilder.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/CheckBox.h>
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#include <LibGUI/FilePicker.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/TabWidget.h>
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#include <grp.h>
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#include <limits.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <unistd.h>
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PropertiesDialog::PropertiesDialog(GUI::FileSystemModel& model, String path, bool disable_rename, Window* parent_window)
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: Dialog(parent_window)
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, m_model(model)
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{
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auto file_path = FileSystemPath(path);
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ASSERT(file_path.is_valid());
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auto& main_widget = set_main_widget<GUI::Widget>();
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main_widget.set_layout<GUI::VerticalBoxLayout>();
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main_widget.layout()->set_margins({ 4, 4, 4, 4 });
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main_widget.set_fill_with_background_color(true);
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set_rect({ 0, 0, 360, 420 });
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set_resizable(false);
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auto& tab_widget = main_widget.add<GUI::TabWidget>();
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auto general_tab = tab_widget.add_tab<GUI::Widget>("General");
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general_tab->set_layout<GUI::VerticalBoxLayout>();
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general_tab->layout()->set_margins({ 12, 8, 12, 8 });
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general_tab->layout()->set_spacing(10);
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general_tab->layout()->add_spacer();
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auto& file_container = general_tab->add<GUI::Widget>();
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file_container.set_layout<GUI::HorizontalBoxLayout>();
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file_container.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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file_container.layout()->set_spacing(20);
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file_container.set_preferred_size(0, 34);
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m_icon = file_container.add<GUI::Label>();
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m_icon->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
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m_icon->set_preferred_size(32, 32);
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m_name = file_path.basename();
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m_name_box = file_container.add<GUI::TextBox>();
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m_name_box->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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m_name_box->set_preferred_size({ 0, 22 });
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m_name_box->set_text(m_name);
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m_name_box->on_change = [&, disable_rename]() {
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if (disable_rename) {
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m_name_box->set_text(m_name); //FIXME: GTextBox does not support set_enabled yet...
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} else {
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m_name_dirty = m_name != m_name_box->text();
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m_apply_button->set_enabled(true);
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}
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};
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set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/properties.png"));
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make_divider(general_tab);
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struct stat st;
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if (lstat(path.characters(), &st)) {
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perror("stat");
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return;
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}
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struct passwd* user_pw = getpwuid(st.st_uid);
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struct group* group_gr = getgrgid(st.st_gid);
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ASSERT(user_pw && group_gr);
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m_mode = st.st_mode;
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auto properties = Vector<PropertyValuePair>();
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properties.append({ "Type:", get_description(m_mode) });
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properties.append({ "Location:", path });
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if (S_ISLNK(m_mode)) {
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char link_destination[PATH_MAX];
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if (readlink(path.characters(), link_destination, sizeof(link_destination)) < 0) {
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perror("readlink");
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} else {
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properties.append({ "Link target:", link_destination });
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}
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}
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properties.append({ "Size:", String::format("%zu bytes", st.st_size) });
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properties.append({ "Owner:", String::format("%s (%lu)", user_pw->pw_name, static_cast<u32>(user_pw->pw_uid)) });
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properties.append({ "Group:", String::format("%s (%lu)", group_gr->gr_name, static_cast<u32>(group_gr->gr_gid)) });
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properties.append({ "Created at:", GUI::FileSystemModel::timestamp_string(st.st_ctime) });
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properties.append({ "Last modified:", GUI::FileSystemModel::timestamp_string(st.st_mtime) });
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make_property_value_pairs(properties, general_tab);
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make_divider(general_tab);
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make_permission_checkboxes(general_tab, { S_IRUSR, S_IWUSR, S_IXUSR }, "Owner:", m_mode);
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make_permission_checkboxes(general_tab, { S_IRGRP, S_IWGRP, S_IXGRP }, "Group:", m_mode);
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make_permission_checkboxes(general_tab, { S_IROTH, S_IWOTH, S_IXOTH }, "Others:", m_mode);
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general_tab->layout()->add_spacer();
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auto& button_widget = main_widget.add<GUI::Widget>();
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button_widget.set_layout<GUI::HorizontalBoxLayout>();
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button_widget.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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button_widget.set_preferred_size(0, 24);
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button_widget.layout()->set_spacing(5);
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button_widget.layout()->add_spacer();
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make_button("OK", button_widget).on_click = [this] {
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if (apply_changes())
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close();
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};
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make_button("Cancel", button_widget).on_click = [this] {
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close();
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};
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m_apply_button = make_button("Apply", button_widget);
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m_apply_button->on_click = [this] { apply_changes(); };
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m_apply_button->set_enabled(false);
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update();
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}
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PropertiesDialog::~PropertiesDialog() {}
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void PropertiesDialog::update()
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{
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m_icon->set_icon(const_cast<Gfx::Bitmap*>(m_model.icon_for_file(m_mode, m_name).bitmap_for_size(32)));
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set_title(String::format("Properties of \"%s\"", m_name.characters()));
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}
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void PropertiesDialog::permission_changed(mode_t mask, bool set)
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{
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if (set) {
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m_mode |= mask;
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} else {
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m_mode &= ~mask;
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}
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m_permissions_dirty = true;
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m_apply_button->set_enabled(true);
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}
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String PropertiesDialog::make_full_path(String name)
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{
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return String::format("%s/%s", m_model.root_path().characters(), name.characters());
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}
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bool PropertiesDialog::apply_changes()
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{
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if (m_name_dirty) {
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String new_name = m_name_box->text();
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String new_file = make_full_path(new_name).characters();
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if (GUI::FilePicker::file_exists(new_file)) {
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GUI::MessageBox::show(String::format("A file \"%s\" already exists!", new_name.characters()), "Error", GUI::MessageBox::Type::Error);
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return false;
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}
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if (rename(make_full_path(m_name).characters(), new_file.characters())) {
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GUI::MessageBox::show(String::format("Could not rename file: %s!", strerror(errno)), "Error", GUI::MessageBox::Type::Error);
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return false;
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}
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m_name = new_name;
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m_name_dirty = false;
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update();
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}
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if (m_permissions_dirty) {
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if (chmod(make_full_path(m_name).characters(), m_mode)) {
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GUI::MessageBox::show(String::format("Could not update permissions: %s!", strerror(errno)), "Error", GUI::MessageBox::Type::Error);
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return false;
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}
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m_permissions_dirty = false;
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}
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update();
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m_apply_button->set_enabled(false);
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return true;
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}
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void PropertiesDialog::make_permission_checkboxes(NonnullRefPtr<GUI::Widget>& parent, PermissionMasks masks, String label_string, mode_t mode)
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{
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auto& widget = parent->add<GUI::Widget>();
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widget.set_layout<GUI::HorizontalBoxLayout>();
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widget.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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widget.set_preferred_size(0, 16);
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widget.layout()->set_spacing(10);
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auto& label = widget.add<GUI::Label>(label_string);
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label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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auto& box_read = widget.add<GUI::CheckBox>("Read");
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box_read.set_checked(mode & masks.read);
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box_read.on_checked = [&, masks](bool checked) { permission_changed(masks.read, checked); };
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auto& box_write = widget.add<GUI::CheckBox>("Write");
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box_write.set_checked(mode & masks.write);
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box_write.on_checked = [&, masks](bool checked) { permission_changed(masks.write, checked); };
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auto& box_execute = widget.add<GUI::CheckBox>("Execute");
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box_execute.set_checked(mode & masks.execute);
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box_execute.on_checked = [&, masks](bool checked) { permission_changed(masks.execute, checked); };
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}
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void PropertiesDialog::make_property_value_pairs(const Vector<PropertyValuePair>& pairs, GUI::Widget& parent)
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{
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int max_width = 0;
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Vector<NonnullRefPtr<GUI::Label>> property_labels;
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property_labels.ensure_capacity(pairs.size());
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for (auto pair : pairs) {
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auto& label_container = parent.add<GUI::Widget>();
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label_container.set_layout<GUI::HorizontalBoxLayout>();
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label_container.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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label_container.set_preferred_size(0, 14);
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label_container.layout()->set_spacing(12);
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auto& label_property = label_container.add<GUI::Label>(pair.property);
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label_property.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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label_property.set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
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label_container.add<GUI::Label>(pair.value).set_text_alignment(Gfx::TextAlignment::CenterLeft);
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max_width = max(max_width, label_property.font().width(pair.property));
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property_labels.append(label_property);
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}
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for (auto label : property_labels)
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label->set_preferred_size({ max_width, 0 });
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}
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GUI::Button& PropertiesDialog::make_button(String text, GUI::Widget& parent)
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{
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auto& button = parent.add<GUI::Button>(text);
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button.set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
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button.set_preferred_size(70, 22);
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return button;
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}
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void PropertiesDialog::make_divider(GUI::Widget& parent)
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{
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parent.layout()->add_spacer();
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auto& divider = parent.add<GUI::Frame>();
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divider.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
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divider.set_preferred_size({ 0, 2 });
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parent.layout()->add_spacer();
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}
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