ask for saving modified editor files if octave is closed (bug #38689) * files-editor-tab.cc(constrctor): init new flag indicating if app is closing, (check_file_modified): message box is modal if app is closing, no cancel, parent of box is the editor's tab widget for a correct palcement of the box, (conditional_close): new second arg: flag for closing app (default false), it is stored in the tab's class wide flag * file-editor-tab.h: second arg for conditional_close and new class wide flag * file-editor.cc(destructor): sending close requests to all editor tabs with flag indicating the application is closing (add_file_editor_tab): new arg for fetab_close_request and conditional_close * file-editor.h: new 2nd arg for fetab_close_request (closing app, def. false) * main-window.cc(destructor): delete editor window first for showing the message boxes for modified editor files in front of a complete gui

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−#include <octave/oct.h>
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−
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−DEFUN_DLD (oregonator, args, ,
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−  "The `oregonator'.\n\
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−\n\
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−Reference:\n\
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−\n\
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−  Oscillations in chemical systems.  IV.  Limit cycle behavior in a\n\
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−  model of a real chemical reaction. Richard J. Field and Richard\n\
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−  M. Noyes, The Journal of Chemical Physics, Volume 60 Number 5,\n\
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−  March 1974.")
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−{
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−  ColumnVector dx (3);
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−
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−  ColumnVector x (args(0).vector_value ());
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−
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−  dx(0) = 77.27 * (x(1) - x(0)*x(1) + x(0) - 8.375e-06*pow (x(0), 2.0));
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−  dx(1) = (x(2) - x(0)*x(1) - x(1)) / 77.27;
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−  dx(2) = 0.161*(x(0) - x(2));
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−
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−  return octave_value (dx);
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−}