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1 ## Copyright (C) 1998, 1999, 2000 Joao Cardoso. |
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2 ## |
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3 ## This program is free software; you can redistribute it and/or modify it |
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4 ## under the terms of the GNU General Public License as published by the |
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5 ## Free Software Foundation; either version 2 of the License, or (at your |
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6 ## option) any later version. |
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7 ## |
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8 ## This program is distributed in the hope that it will be useful, but |
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9 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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11 ## General Public License for more details. |
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12 ## |
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13 ## This file is part of tk_octave. |
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14 |
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15 ## tk_busy (text) |
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16 ## |
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17 ## Opens a new window with 'text' printed end with a flashing hourglass. |
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18 ## |
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19 ## If called with no arguments, close the window. |
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20 ## If the window already exists, 'text' is updated |
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21 ## Only one tk_busy window is allowed at one time. |
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22 ## |
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23 ## Octave can continue processing while the hourglass is flashing. |
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24 |
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25 ## 2001-09-14 Paul Kienzle <pkienzle@users.sf.net> |
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26 ## * convert to pthreads version of octave |
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27 ## * fix grammar in documentation |
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28 |
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29 function tk_busy (text) |
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30 |
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31 eval("tk_interp",""); |
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32 |
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33 if (nargin == 0) |
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34 tk_cmd( "foreach i [after info] {after cancel $i}" ); |
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35 tk_cmd( sprintf("proc rep {} {}") ); |
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36 tk_cmd( "destroy .top_tk_busy" ); |
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37 elseif (tk_cmd( "winfo exists .top_tk_busy" ) == "1") |
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38 tk_cmd ( sprintf("set tk_busy_message \"%s\"", text) ); |
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39 tk_cmd( sprintf( "wm title .top_tk_busy {%s}", text) ); |
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40 else |
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41 tk_cmd( "toplevel .top_tk_busy -borderwidth 2 -relief groove" ); |
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42 tk_cmd( sprintf( "wm title .top_tk_busy {%s}", text) ); |
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43 #tk_cmd( "wm withdraw .top_tk_busy" ); |
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44 tk_cmd( "label .top_tk_busy.l1 -textvar tk_busy_message -relief ridge -padx 10 -pady 5"); |
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45 tk_cmd (sprintf("set tk_busy_message \"%s\"", text)); |
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46 tk_cmd ("button .top_tk_busy.b1 -bitmap hourglass"); |
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47 |
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48 #tk_cmd("wm overrideredirect .top_tk_busy 1"); |
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49 |
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50 tk_cmd("pack .top_tk_busy.l1 .top_tk_busy.b1 \ |
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51 -ipadx 2 -ipady 2 -padx 10 -pady 10"); |
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52 |
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53 #tk_cmd("wm deiconify .top_tk_busy"); |
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54 |
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55 tk_cmd("proc rep {a b} { .top_tk_busy.b1 configure \ |
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56 -foreground $a -background $b; after 1000 rep $b $a}"); |
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57 tk_cmd("rep salmon green4"); |
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58 endif |
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59 |
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60 endfunction |
