da0958a882
When embedding a TerminalWidget, you might not want it to automatically update its own size policy based on the exact terminal buffer size. This behavior is now passed as a flag to the TerminalWidget constructor which makes it behave nicely both inside HackStudio and in Terminal.
95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
#include "TerminalWrapper.h"
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#include <AK/String.h>
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#include <LibCore/CConfigFile.h>
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#include <LibGUI/GBoxLayout.h>
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#include <LibVT/TerminalWidget.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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static void run_command(int ptm_fd, const String& command)
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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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close(ptm_fd);
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int pts_fd = open(tty_name, O_RDWR);
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if (pts_fd < 0) {
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perror("open");
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exit(1);
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}
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// NOTE: It's okay if this fails.
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(void)ioctl(0, TIOCNOTTY);
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close(0);
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close(1);
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close(2);
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int rc = dup2(pts_fd, 0);
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if (rc < 0) {
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perror("dup2");
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exit(1);
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}
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rc = dup2(pts_fd, 1);
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if (rc < 0) {
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perror("dup2");
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exit(1);
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}
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rc = dup2(pts_fd, 2);
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if (rc < 0) {
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perror("dup2");
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exit(1);
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}
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rc = close(pts_fd);
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if (rc < 0) {
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perror("close");
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exit(1);
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}
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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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const char* args[4] = { "/bin/Shell", nullptr, nullptr, nullptr };
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if (!command.is_empty()) {
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args[1] = "-c";
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args[2] = command.characters();
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}
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const char* envs[] = { "TERM=xterm", "PATH=/bin:/usr/bin:/usr/local/bin", nullptr };
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rc = execve("/bin/Shell", const_cast<char**>(args), const_cast<char**>(envs));
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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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TerminalWrapper::TerminalWrapper(GWidget* parent)
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: GWidget(parent)
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{
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set_layout(make<GBoxLayout>(Orientation::Vertical));
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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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ASSERT_NOT_REACHED();
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}
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run_command(ptm_fd, "/bin/Shell");
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RefPtr<CConfigFile> config = CConfigFile::get_for_app("Terminal");
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m_terminal_widget = TerminalWidget::construct(ptm_fd, false, config);
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add_child(*m_terminal_widget);
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}
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TerminalWrapper::~TerminalWrapper()
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{
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}
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