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#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <assert.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <pwd.h>
#include "Terminal.h"
#include <Kernel/KeyCode.h>
#include <LibGUI/GApplication.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GRadioButton.h>
#include <LibGUI/GWidget.h>
#include <LibGUI/GWindow.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GAction.h>
#include <LibGUI/GFontDatabase.h>
#include <LibGUI/GSlider.h>
#include <LibCore/CUserInfo.h>
static void make_shell(int ptm_fd)
{
pid_t pid = fork();
if (pid == 0) {
const char* tty_name = ptsname(ptm_fd);
if (!tty_name) {
perror("ptsname");
exit(1);
}
close(ptm_fd);
int pts_fd = open(tty_name, O_RDWR);
if (pts_fd < 0) {
perror("open");
exit(1);
}
// NOTE: It's okay if this fails.
(void) ioctl(0, TIOCNOTTY);
close(0);
close(1);
close(2);
int rc = dup2(pts_fd, 0);
if (rc < 0) {
perror("dup2");
exit(1);
}
rc = dup2(pts_fd, 1);
if (rc < 0) {
perror("dup2");
exit(1);
}
rc = dup2(pts_fd, 2);
if (rc < 0) {
perror("dup2");
exit(1);
}
rc = close(pts_fd);
if (rc < 0) {
perror("close");
exit(1);
}
rc = ioctl(0, TIOCSCTTY);
if (rc < 0) {
perror("ioctl(TIOCSCTTY)");
exit(1);
}
char* args[] = { "/bin/Shell", nullptr };
char* envs[] = { "TERM=xterm", "PATH=/bin:/usr/bin:/usr/local/bin", nullptr };
rc = execve("/bin/Shell", args, envs);
if (rc < 0) {
perror("execve");
exit(1);
}
ASSERT_NOT_REACHED();
}
}
GWindow* create_opacity_settings_window(Terminal& terminal, RetainPtr<CConfigFile> config)
{
auto* opacity_adjustment_window = new GWindow;
opacity_adjustment_window->set_title("Adjust opacity");
opacity_adjustment_window->set_rect(50, 50, 200, 100);
auto* slider = new GSlider(nullptr);
opacity_adjustment_window->set_main_widget(slider);
slider->set_fill_with_background_color(true);
slider->set_background_color(Color::LightGray);
slider->on_value_changed = [&terminal, &config] (int value) {
float opacity = value / 100.0;
terminal.set_opacity(opacity);
};
slider->set_range(0, 100);
slider->set_value(terminal.opacity() * 100.0);
return opacity_adjustment_window;
}
GWindow* create_beep_choice_window(Terminal& terminal, RetainPtr<CConfigFile> config)
{
auto* beep_choice_window = new GWindow;
beep_choice_window->set_title("Terminal beep settings");
beep_choice_window->set_rect(50, 50, 200, 100);
auto* radio_buttons = new GWidget;
beep_choice_window->set_main_widget(radio_buttons);
radio_buttons->set_fill_with_background_color(true);
radio_buttons->set_layout(make<GBoxLayout>(Orientation::Vertical));
radio_buttons->layout()->set_margins({ 4, 4, 4, 4 });
auto* sysbell_radio = new GRadioButton("Use (Audible) System Bell", radio_buttons);
auto* visbell_radio = new GRadioButton("Use (Visual) Terminal Bell", radio_buttons);
sysbell_radio->set_checked(terminal.should_beep());
visbell_radio->set_checked(!terminal.should_beep());
sysbell_radio->on_checked = [&terminal] (const bool res) {
terminal.set_should_beep(res);
};
return beep_choice_window;
}
int main(int argc, char** argv)
{
GApplication app(argc, argv);
chdir(get_current_user_home_path());
int ptm_fd = open("/dev/ptmx", O_RDWR);
if (ptm_fd < 0) {
perror("open(ptmx)");
return 1;
}
make_shell(ptm_fd);
auto* window = new GWindow;
window->set_title("Terminal");
window->set_background_color(Color::Black);
window->set_double_buffering_enabled(false);
window->set_should_exit_event_loop_on_close(true);
RetainPtr<CConfigFile> config = CConfigFile::get_for_app("Terminal");
Terminal terminal(ptm_fd, config);
window->set_has_alpha_channel(true);
window->set_main_widget(&terminal);
window->move_to(300, 300);
terminal.apply_size_increments_to_window(*window);
window->show();
window->set_icon_path("/res/icons/16x16/app-terminal.png");
terminal.set_should_beep(config->read_num_entry("Window", "AudibleBeep", 1) == 1);
WeakPtr<GWindow> opacity_adjustment_window =
create_opacity_settings_window(terminal, config)->make_weak_ptr();
WeakPtr<GWindow> beep_choice_window =
create_beep_choice_window(terminal, config)->make_weak_ptr();
auto new_opacity = config->read_num_entry("Window", "Opacity", 255);
terminal.set_opacity((float)new_opacity / 255.0);
auto menubar = make<GMenuBar>();
auto app_menu = make<GMenu>("Terminal");
app_menu->add_action(GAction::create("Adjust opacity...",
[&opacity_adjustment_window, &terminal, &config] (const GAction&) {
if (!opacity_adjustment_window)
opacity_adjustment_window =
create_opacity_settings_window(terminal, config)->make_weak_ptr();
opacity_adjustment_window->show();
}));
app_menu->add_action(GAction::create("Change audio output...",
[&beep_choice_window, &terminal, &config] (const GAction&) {
if (!beep_choice_window)
beep_choice_window =
create_beep_choice_window(terminal, config)->make_weak_ptr();
beep_choice_window->show();
}));
app_menu->add_action(GAction::create("Quit", { Mod_Alt, Key_F4 }, [] (const GAction&) {
dbgprintf("Terminal: Quit menu activated!\n");
GApplication::the().quit(0);
return;
}));
menubar->add_menu(move(app_menu));
auto font_menu = make<GMenu>("Font");
GFontDatabase::the().for_each_fixed_width_font([&] (const String& font_name) {
font_menu->add_action(GAction::create(font_name, [&terminal, &config] (const GAction& action) {
terminal.set_font(GFontDatabase::the().get_by_name(action.text()));
auto metadata = GFontDatabase::the().get_metadata_by_name(action.text());
config->write_entry("Text", "Font", metadata.path);
config->sync();
terminal.force_repaint();
}));
});
menubar->add_menu(move(font_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));
config->sync();
return app.exec();
}
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