ladybird/Applications/FileManager/main.cpp
Aaron Malpas 026a8be4e5 File Manager: Implement copy-paste
The files to copy are remembered with the clipboard, which stores a 
command (e.g. "copy") and files to be copied on different lines.
2019-09-10 19:28:41 +02:00

299 lines
12 KiB
C++

#include "DirectoryView.h"
#include "FileUtils.h"
#include <AK/FileSystemPath.h>
#include <AK/StringBuilder.h>
#include <LibCore/CUserInfo.h>
#include <LibDraw/PNGLoader.h>
#include <LibGUI/GAction.h>
#include <LibGUI/GActionGroup.h>
#include <LibGUI/GApplication.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GClipboard.h>
#include <LibGUI/GFileSystemModel.h>
#include <LibGUI/GInputBox.h>
#include <LibGUI/GLabel.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GMessageBox.h>
#include <LibGUI/GProgressBar.h>
#include <LibGUI/GSplitter.h>
#include <LibGUI/GStatusBar.h>
#include <LibGUI/GTextEditor.h>
#include <LibGUI/GToolBar.h>
#include <LibGUI/GTreeView.h>
#include <LibGUI/GWidget.h>
#include <LibGUI/GWindow.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
int main(int argc, char** argv)
{
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_flags = SA_NOCLDWAIT;
act.sa_handler = SIG_IGN;
int rc = sigaction(SIGCHLD, &act, nullptr);
if (rc < 0) {
perror("sigaction");
return 1;
}
GApplication app(argc, argv);
Optional<Vector<String>> selected_file_paths;
auto* window = new GWindow;
window->set_title("File Manager");
window->set_rect(20, 200, 640, 480);
auto* widget = new GWidget;
widget->set_layout(make<GBoxLayout>(Orientation::Vertical));
widget->layout()->set_spacing(0);
auto* main_toolbar = new GToolBar(widget);
auto* location_toolbar = new GToolBar(widget);
location_toolbar->layout()->set_margins({ 6, 3, 6, 3 });
location_toolbar->set_preferred_size(0, 25);
auto* location_label = new GLabel("Location: ", location_toolbar);
location_label->size_to_fit();
auto* location_textbox = new GTextEditor(GTextEditor::SingleLine, location_toolbar);
auto* splitter = new GSplitter(Orientation::Horizontal, widget);
auto* tree_view = new GTreeView(splitter);
auto file_system_model = GFileSystemModel::create("/", GFileSystemModel::Mode::DirectoriesOnly);
tree_view->set_model(file_system_model);
tree_view->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
tree_view->set_preferred_size(200, 0);
auto* directory_view = new DirectoryView(splitter);
auto* statusbar = new GStatusBar(widget);
auto* progressbar = new GProgressBar(statusbar);
progressbar->set_caption("Generating thumbnails: ");
progressbar->set_format(GProgressBar::Format::ValueSlashMax);
progressbar->set_visible(false);
progressbar->set_frame_shape(FrameShape::Panel);
progressbar->set_frame_shadow(FrameShadow::Sunken);
progressbar->set_frame_thickness(1);
location_textbox->on_return_pressed = [directory_view, location_textbox] {
directory_view->open(location_textbox->text());
};
tree_view->on_selection_change = [&] {
auto path = file_system_model->path(tree_view->selection().first());
if (directory_view->path() == path)
return;
directory_view->open(path);
};
auto open_parent_directory_action = GAction::create("Open parent directory", { Mod_Alt, Key_Up }, GraphicsBitmap::load_from_file("/res/icons/16x16/open-parent-directory.png"), [directory_view](const GAction&) {
directory_view->open_parent_directory();
});
directory_view->on_selection = [&](GAbstractView& view) {
Vector<String> paths;
auto model = static_cast<GDirectoryModel*>(view.model());
view.selection().for_each_index([&](const GModelIndex& index) {
auto path = model->entry(index.row()).full_path(*model);
paths.append(path);
});
selected_file_paths = paths;
};
auto mkdir_action = GAction::create("New directory...", GraphicsBitmap::load_from_file("/res/icons/16x16/mkdir.png"), [&](const GAction&) {
GInputBox input_box("Enter name:", "New directory", window);
if (input_box.exec() == GInputBox::ExecOK && !input_box.text_value().is_empty()) {
auto new_dir_path = canonicalized_path(
String::format("%s/%s",
directory_view->path().characters(),
input_box.text_value().characters()));
int rc = mkdir(new_dir_path.characters(), 0777);
if (rc < 0) {
GMessageBox::show(String::format("mkdir(\"%s\") failed: %s", new_dir_path.characters(), strerror(errno)), "Error", GMessageBox::Type::Error, GMessageBox::InputType::OK, window);
} else {
directory_view->refresh();
}
}
});
RefPtr<GAction> view_as_table_action;
RefPtr<GAction> view_as_icons_action;
view_as_table_action = GAction::create("Table view", { Mod_Ctrl, KeyCode::Key_L }, GraphicsBitmap::load_from_file("/res/icons/16x16/table-view.png"), [&](const GAction&) {
directory_view->set_view_mode(DirectoryView::ViewMode::List);
view_as_table_action->set_checked(true);
});
view_as_table_action->set_checkable(true);
view_as_icons_action = GAction::create("Icon view", { Mod_Ctrl, KeyCode::Key_I }, GraphicsBitmap::load_from_file("/res/icons/16x16/icon-view.png"), [&](const GAction&) {
directory_view->set_view_mode(DirectoryView::ViewMode::Icon);
view_as_icons_action->set_checked(true);
});
view_as_icons_action->set_checkable(true);
auto view_type_action_group = make<GActionGroup>();
view_type_action_group->set_exclusive(true);
view_type_action_group->add_action(*view_as_table_action);
view_type_action_group->add_action(*view_as_icons_action);
view_as_icons_action->set_checked(true);
auto copy_action = GAction::create("Copy", GraphicsBitmap::load_from_file("/res/icons/16x16/edit-copy.png"), [&](const GAction&) {
dbgprintf("'Copy' action activated!\n");
if (!selected_file_paths.has_value()) {
return;
}
StringBuilder copy_text;
copy_text.append("copy\n");
for (String& path : selected_file_paths.value()) {
copy_text.appendf("%s\n", path.characters());
}
GClipboard::the().set_data(copy_text.build());
});
auto paste_action = GAction::create("Paste", GraphicsBitmap::load_from_file("/res/icons/paste16.png"), [&](const GAction&) {
dbgprintf("'Paste' action activated!\n");
auto copied_lines = GClipboard::the().data().split('\n');
if (copied_lines.is_empty() || copied_lines.first() != "copy") {
GMessageBox::show("No files cut or copied.", "File Manager", GMessageBox::Type::Information);
return;
}
for (int i = 1; i < copied_lines.size(); ++i) {
auto current_path = copied_lines[i];
if (current_path.is_empty())
continue;
auto current_directory = directory_view->path();
auto new_path = String::format("%s/%s",
current_directory.characters(),
FileSystemPath(current_path).basename().characters());
if (!FileUtils::copy_file_or_directory(current_path, new_path)) {
auto error_message = String::format("Could not paste %s.",
current_path.characters());
GMessageBox::show(error_message, "File Manager", GMessageBox::Type::Error);
}
}
});
auto delete_action = GAction::create("Delete", GraphicsBitmap::load_from_file("/res/icons/16x16/delete.png"), [](const GAction&) {
dbgprintf("'Delete' action activated!\n");
});
auto go_back_action = GAction::create("Go Back", GraphicsBitmap::load_from_file("/res/icons/16x16/go-back.png"), [directory_view](const GAction&) {
dbgprintf("'Go Back' action activated!\n");
directory_view->open_previous_directory();
});
auto go_forward_action = GAction::create("Go Forward", GraphicsBitmap::load_from_file("/res/icons/16x16/go-forward.png"), [directory_view](const GAction&) {
dbgprintf("'Go Forward' action activated!\n");
directory_view->open_next_directory();
});
auto go_home_action = GAction::create("Go to Home Directory", GraphicsBitmap::load_from_file("/res/icons/16x16/go-home.png"), [directory_view](auto&) {
directory_view->open(get_current_user_home_path());
});
auto menubar = make<GMenuBar>();
auto app_menu = make<GMenu>("File Manager");
app_menu->add_action(mkdir_action);
app_menu->add_action(copy_action);
app_menu->add_action(paste_action);
app_menu->add_action(delete_action);
app_menu->add_separator();
app_menu->add_action(GCommonActions::make_quit_action([] {
GApplication::the().quit(0);
}));
menubar->add_menu(move(app_menu));
auto view_menu = make<GMenu>("View");
view_menu->add_action(*view_as_icons_action);
view_menu->add_action(*view_as_table_action);
menubar->add_menu(move(view_menu));
auto go_menu = make<GMenu>("Go");
go_menu->add_action(go_back_action);
go_menu->add_action(go_forward_action);
go_menu->add_action(open_parent_directory_action);
go_menu->add_action(go_home_action);
menubar->add_menu(move(go_menu));
auto help_menu = make<GMenu>("Help");
help_menu->add_action(GAction::create("About", [](const GAction&) {
dbgprintf("FIXME: Implement Help/About\n");
}));
menubar->add_menu(move(help_menu));
app.set_menubar(move(menubar));
main_toolbar->add_action(go_back_action);
main_toolbar->add_action(go_forward_action);
main_toolbar->add_action(open_parent_directory_action);
main_toolbar->add_action(go_home_action);
main_toolbar->add_separator();
main_toolbar->add_action(mkdir_action);
main_toolbar->add_action(copy_action);
main_toolbar->add_action(paste_action);
main_toolbar->add_action(delete_action);
main_toolbar->add_separator();
main_toolbar->add_action(*view_as_icons_action);
main_toolbar->add_action(*view_as_table_action);
directory_view->on_path_change = [window, location_textbox, &file_system_model, tree_view, &go_forward_action, &go_back_action, directory_view](const String& new_path) {
window->set_title(String::format("File Manager: %s", new_path.characters()));
location_textbox->set_text(new_path);
auto new_index = file_system_model->index(new_path);
tree_view->selection().set(new_index);
tree_view->scroll_into_view(new_index, Orientation::Vertical);
tree_view->update();
go_forward_action->set_enabled(directory_view->path_history_position()
< directory_view->path_history_size() - 1);
go_back_action->set_enabled(directory_view->path_history_position() > 0);
};
directory_view->on_status_message = [statusbar](const StringView& message) {
statusbar->set_text(message);
};
directory_view->on_thumbnail_progress = [&](int done, int total) {
if (done == total) {
progressbar->set_visible(false);
return;
}
progressbar->set_range(0, total);
progressbar->set_value(done);
progressbar->set_visible(true);
};
// our initial location is defined as, in order of precedence:
// 1. the first command-line argument (e.g. FileManager /bin)
// 2. the user's home directory
// 3. the root directory
String initial_location;
if (argc >= 2)
initial_location = argv[1];
if (initial_location.is_empty())
initial_location = get_current_user_home_path();
if (initial_location.is_empty())
initial_location = "/";
directory_view->open(initial_location);
directory_view->set_focus(true);
window->set_main_widget(widget);
window->show();
window->set_icon(load_png("/res/icons/16x16/filetype-folder.png"));
return app.exec();
}