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https://github.com/RGBCube/serenity
synced 2025-05-18 08:35:07 +00:00
db98327bdc
GMenu now has an "on_item_activation" callback that fires whenever one of its items are activated. The menu item identifier is used to distinguish between items. Use this to implement font switching in Terminal. :^)
109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <sys/ioctl.h>
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#include <sys/select.h>
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#include <LibC/gui.h>
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#include "Terminal.h"
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#include <Kernel/KeyCode.h>
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#include <LibGUI/GApplication.h>
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#include <LibGUI/GWidget.h>
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#include <LibGUI/GWindow.h>
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#include <LibGUI/GMenuBar.h>
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static void make_shell(int ptm_fd)
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{
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pid_t pid = fork();
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if (pid == 0) {
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const char* tty_name = ptsname(ptm_fd);
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if (!tty_name) {
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perror("ptsname");
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exit(1);
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}
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int rc = 0;
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close(ptm_fd);
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int pts_fd = open(tty_name, O_RDWR);
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rc = ioctl(0, TIOCNOTTY);
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if (rc < 0) {
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perror("ioctl(TIOCNOTTY)");
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exit(1);
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}
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close(0);
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close(1);
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close(2);
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dup2(pts_fd, 0);
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dup2(pts_fd, 1);
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dup2(pts_fd, 2);
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close(pts_fd);
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rc = ioctl(0, TIOCSCTTY);
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if (rc < 0) {
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perror("ioctl(TIOCSCTTY)");
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exit(1);
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}
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rc = execvp("/bin/sh", nullptr);
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if (rc < 0) {
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perror("execve");
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exit(1);
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}
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ASSERT_NOT_REACHED();
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}
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}
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int main(int argc, char** argv)
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{
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GApplication app(argc, argv);
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int ptm_fd = open("/dev/ptmx", O_RDWR);
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if (ptm_fd < 0) {
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perror("open(ptmx)");
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return 1;
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}
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make_shell(ptm_fd);
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auto* window = new GWindow;
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window->set_should_exit_app_on_close(true);
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Terminal terminal(ptm_fd);
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window->set_main_widget(&terminal);
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window->move_to(300, 300);
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window->show();
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auto menubar = make<GMenuBar>();
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auto app_menu = make<GMenu>("Terminal");
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app_menu->add_item(1, "Quit");
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menubar->add_menu(move(app_menu));
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auto font_menu = make<GMenu>("Font");
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font_menu->add_item(30, "Liza Thin");
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font_menu->add_item(31, "Liza Regular");
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font_menu->add_item(32, "Liza Bold");
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font_menu->on_item_activation = [&terminal] (unsigned identifier) {
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switch (identifier) {
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case 30:
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terminal.set_font(Font::load_from_file("/res/fonts/Liza8x10.font"));
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break;
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case 31:
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terminal.set_font(Font::load_from_file("/res/fonts/LizaRegular8x10.font"));
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break;
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case 32:
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terminal.set_font(Font::load_from_file("/res/fonts/LizaBold8x10.font"));
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break;
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}
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terminal.force_repaint();
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};
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menubar->add_menu(move(font_menu));
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auto help_menu = make<GMenu>("Help");
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help_menu->add_item(2, "About");
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menubar->add_menu(move(help_menu));
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app.set_menubar(move(menubar));
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return app.exec();
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}
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