1 //////////////////////////////////////////////////////////////////////// 2 // 3 // Copyright (C) 2011-2021 The Octave Project Developers 4 // 5 // See the file COPYRIGHT.md in the top-level directory of this 6 // distribution or <https://octave.org/copyright/>. 7 // 8 // This file is part of Octave. 9 // 10 // Octave is free software: you can redistribute it and/or modify it 11 // under the terms of the GNU General Public License as published by 12 // the Free Software Foundation, either version 3 of the License, or 13 // (at your option) any later version. 14 // 15 // Octave is distributed in the hope that it will be useful, but 16 // WITHOUT ANY WARRANTY; without even the implied warranty of 17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 // GNU General Public License for more details. 19 // 20 // You should have received a copy of the GNU General Public License 21 // along with Octave; see the file COPYING. If not, see 22 // <https://www.gnu.org/licenses/>. 23 // 24 //////////////////////////////////////////////////////////////////////// 25 26 #if defined (HAVE_CONFIG_H) 27 # include "config.h" 28 #endif 29 30 #include <QDesktopWidget> 31 32 #include "gui-preferences-cs.h" 33 #include "gui-preferences-global.h" 34 #include "octave-qobject.h" 35 #include "terminal-dock-widget.h" 36 37 #include "quit.h" 38 #include "signal-wrappers.h" 39 40 #include "sighandlers.h" 41 42 namespace octave 43 { terminal_dock_widget(QWidget * p,base_qobject & oct_qobj)44 terminal_dock_widget::terminal_dock_widget (QWidget *p, 45 base_qobject& oct_qobj) 46 : octave_dock_widget ("TerminalDockWidget", p, oct_qobj), 47 m_terminal (QTerminal::create (oct_qobj, p)) 48 { 49 m_terminal->setObjectName ("OctaveTerminal"); 50 m_terminal->setFocusPolicy (Qt::StrongFocus); 51 52 setWindowIcon (QIcon (":/actions/icons/logo.png")); 53 set_title (tr ("Command Window")); 54 55 setWidget (m_terminal); 56 setFocusProxy (m_terminal); 57 58 connect (m_terminal, SIGNAL (interrupt_signal (void)), 59 this, SLOT (terminal_interrupt (void))); 60 61 // Connect the visibility signal to the terminal for dis-/enabling timers 62 connect (this, SIGNAL (visibilityChanged (bool)), 63 m_terminal, SLOT (handle_visibility_changed (bool))); 64 65 // Chose a reasonable size at startup in order to avoid truncated 66 // startup messages 67 resource_manager& rmgr = m_octave_qobj.get_resource_manager (); 68 gui_settings *settings = rmgr.get_settings (); 69 70 QFont font = QFont (); 71 font.setStyleHint (QFont::TypeWriter); 72 QString default_font = settings->value (global_mono_font).toString (); 73 font.setFamily 74 (settings->value (cs_font.key, default_font).toString ()); 75 font.setPointSize 76 (settings->value (cs_font_size).toInt ()); 77 78 QFontMetrics metrics(font); 79 80 int win_x = metrics.maxWidth()*80; 81 int win_y = metrics.height()*25; 82 83 int max_x = QApplication::desktop ()->screenGeometry (this).width (); 84 int max_y = QApplication::desktop ()->screenGeometry (this).height (); 85 86 if (win_x > max_x) 87 win_x = max_x; 88 if (win_y > max_y) 89 win_y = max_y; 90 91 setGeometry (0, 0, win_x, win_y); 92 } 93 ~terminal_dock_widget(void)94 terminal_dock_widget::~terminal_dock_widget (void) 95 { 96 delete m_terminal; 97 } 98 has_focus(void) const99 bool terminal_dock_widget::has_focus (void) const 100 { 101 QWidget *w = widget (); 102 103 return w->hasFocus (); 104 } 105 terminal_interrupt(void)106 void terminal_dock_widget::terminal_interrupt (void) 107 { 108 // FIXME: Protect with mutex? 109 110 octave_signal_caught = 1; 111 octave_interrupt_state++; 112 113 // Send SIGINT to all other processes in our process group. 114 // This is needed to interrupt calls to system (), for example. 115 116 int sigint; 117 octave_get_sig_number ("SIGINT", &sigint); 118 119 octave_kill_wrapper (0, sigint); 120 } 121 } 122