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 "mex.h"
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−
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−void
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−mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
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−{
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−  mxArray *v = mxCreateDoubleMatrix (1, 1, mxREAL);
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−
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−  double *data = mxGetPr (v);
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−
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−  *data = 1.23456789;
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−
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−  plhs[0] = v;
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−}