Mercurial > octave
annotate libinterp/corefcn/display.cc @ 32632:2e484f9f1f18 stable
maint: update Octave Project Developers copyright for the new year
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 22 Dec 2023 12:08:17 -0500 |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2009-2024 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include "singleton-cleanup.h" |
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31 |
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32 #include "cdisplay.h" |
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33 #include "defun.h" |
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34 #include "display.h" |
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35 #include "error.h" |
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36 #include "interpreter.h" |
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37 #include "ov.h" |
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38 #include "ovl.h" |
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39 |
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40 OCTAVE_BEGIN_NAMESPACE(octave) |
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41 |
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42 void display_info::initialize () |
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43 { |
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44 int avail = 0; |
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45 |
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46 const char *msg |
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47 = octave_get_display_info (nullptr, &m_ht, &m_wd, &m_dp, |
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48 &m_rx, &m_ry, &avail); |
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49 |
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50 m_dpy_avail = avail; |
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51 |
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52 if (msg) |
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53 m_msg = msg; |
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54 } |
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55 |
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56 DEFMETHOD (have_window_system, interp, , , |
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57 doc: /* -*- texinfo -*- |
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58 @deftypefn {} {@var{tf} =} have_window_system () |
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59 Return true if a window system is available (X11, Windows, or Apple OS X) |
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60 and false otherwise. |
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61 @seealso{isguirunning} |
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62 @end deftypefn */) |
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63 { |
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64 display_info& dpy_info = interp.get_display_info (); |
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65 |
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66 return ovl (dpy_info.display_available ()); |
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67 } |
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68 |
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69 OCTAVE_END_NAMESPACE(octave) |