[157] | 1 | ;+ |
---|
| 2 | ; @file_comments |
---|
| 3 | ; |
---|
| 4 | ; |
---|
| 5 | ; @categories |
---|
| 6 | ; |
---|
| 7 | ; |
---|
| 8 | ; @param EVENT |
---|
| 9 | ; |
---|
| 10 | ; |
---|
| 11 | ; @returns |
---|
| 12 | ; |
---|
| 13 | ; |
---|
| 14 | ; @uses |
---|
| 15 | ; |
---|
| 16 | ; |
---|
| 17 | ; @restrictions |
---|
| 18 | ; |
---|
| 19 | ; |
---|
| 20 | ; @examples |
---|
| 21 | ; |
---|
| 22 | ; |
---|
| 23 | ; @history |
---|
| 24 | ; |
---|
| 25 | ; |
---|
| 26 | ; @version |
---|
| 27 | ; $Id$ |
---|
| 28 | ;- |
---|
[150] | 29 | ;------------------------------------------------------------------------- |
---|
| 30 | pro xquestion_event, event |
---|
| 31 | ; |
---|
| 32 | compile_opt idl2, strictarrsubs |
---|
| 33 | ; |
---|
| 34 | ; we get the answer |
---|
| 35 | widget_control, widget_info(event.top, find_by_uname = 'text') $ |
---|
| 36 | , get_value = answer & answer = answer[0] |
---|
| 37 | ; now we give the answer to xquestion.pro by using the pointer uvalue |
---|
| 38 | widget_control, event.top, get_uvalue = ptranswer |
---|
| 39 | *ptranswer = answer |
---|
| 40 | ; we destroy the widget |
---|
| 41 | widget_control, event.top, /destroy |
---|
| 42 | return |
---|
| 43 | end |
---|
| 44 | ;------------------------------------------------------------------------- |
---|
[2] | 45 | ;------------------------------------------------------------ |
---|
| 46 | ;------------------------------------------------------------ |
---|
| 47 | ;------------------------------------------------------------ |
---|
| 48 | ;+ |
---|
| 49 | ; |
---|
[150] | 50 | ; @file_comments |
---|
| 51 | ; A small widget who ask a question and give an answer. |
---|
| 52 | ; WARNING: For a binary question with yes/no answer use |
---|
| 53 | ; DIALOG_MESSAGE. |
---|
[2] | 54 | ; |
---|
[150] | 55 | ; @categories |
---|
[157] | 56 | ; Widget |
---|
[2] | 57 | ; |
---|
[150] | 58 | ; @param QUESTION |
---|
| 59 | ; A scalar string or a array of string. If this |
---|
| 60 | ; argument is set to : |
---|
| 61 | ; + an array of strings: each array element is |
---|
| 62 | ; displayed as a separate line of text. |
---|
| 63 | ; + a scalar string: we are looking for the "separate line |
---|
| 64 | ; character" '!C' |
---|
[2] | 65 | ; |
---|
[150] | 66 | ; @param PROPOSEDANSWER |
---|
| 67 | ; A string proposing a answer |
---|
[2] | 68 | ; |
---|
| 69 | ; |
---|
[150] | 70 | ; @keyword CHKWIDGET |
---|
| 71 | ; Active this keyword if you whant that xquestion |
---|
| 72 | ; check if managed widget are present. If not, xquestion do not |
---|
| 73 | ; open a widget but print the question in the IDL window. |
---|
[2] | 74 | ; |
---|
[150] | 75 | ; @keyword _EXTRA |
---|
| 76 | ; Used to pass your keywords |
---|
| 77 | ; |
---|
| 78 | ; @returns |
---|
| 79 | ; answer: a string |
---|
[2] | 80 | ; |
---|
[150] | 81 | ; @restrictions |
---|
| 82 | ; The function does not return to its caller until the user |
---|
| 83 | ; press "Enter" key in the widget. |
---|
[2] | 84 | ; |
---|
[150] | 85 | ; @examples |
---|
| 86 | ; IDL> help, xquestion('Postscript name') |
---|
| 87 | ; <Expression> STRING = 'toto.ps' |
---|
[2] | 88 | ; |
---|
[150] | 89 | ; @history |
---|
[157] | 90 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
---|
[150] | 91 | ; 13/10/1999 |
---|
[2] | 92 | ; |
---|
[150] | 93 | ; @version |
---|
| 94 | ; $Id$ |
---|
[2] | 95 | ; |
---|
| 96 | ;- |
---|
| 97 | ;------------------------------------------------------------ |
---|
| 98 | ;------------------------------------------------------------ |
---|
| 99 | ;------------------------------------------------------------ |
---|
| 100 | FUNCTION xquestion, question, proposedanswer, CHKWIDGET = chkwidget, _extra = ex ; |
---|
[114] | 101 | ; |
---|
| 102 | compile_opt idl2, strictarrsubs |
---|
| 103 | ; |
---|
[2] | 104 | ; is separate line a scalar? we must cut it into pieces? |
---|
| 105 | if n_elements(question) EQ 1 then question = str_sep(question, '!C', /trim) |
---|
| 106 | ; is a widget necessary? |
---|
| 107 | if keyword_set(chkwidget) then BEGIN |
---|
| 108 | if (widget_info(/managed))[0] EQ 0 then BEGIN |
---|
| 109 | if n_elements(proposedanswer) EQ 0 then BEGIN |
---|
| 110 | proposedanswer = '' |
---|
| 111 | answer = '' |
---|
| 112 | complete = '' |
---|
| 113 | ENDIF ELSE BEGIN |
---|
| 114 | answer = proposedanswer |
---|
| 115 | complete = '(default answer is '+proposedanswer+') ' |
---|
| 116 | ENDELSE |
---|
| 117 | if n_elements(question) GT 1 THEN $ |
---|
| 118 | for i = 0, n_elements(question)-2 do print,question[i] |
---|
| 119 | read, question[n_elements(question)-1]+' '+complete , answer |
---|
| 120 | if keyword_set(answer) EQ 0 then answer = proposedanswer |
---|
| 121 | return, answer |
---|
| 122 | endif |
---|
| 123 | endif |
---|
| 124 | ; definition of the widget |
---|
| 125 | BaseId = widget_base(/column, title = 'Question', _extra = ex) |
---|
| 126 | screensize = get_screen_size() |
---|
| 127 | widget_control, BaseId, tlb_set_xoffset = screensize[0]/2.2, tlb_set_yoffset = screensize[1]/2.2 |
---|
| 128 | for i = 0, n_elements(question)-1 DO trash = widget_label(BaseId, value = question[i], /align_left) |
---|
| 129 | if n_elements(proposedanswer) EQ 0 then answer = '' ELSE answer = proposedanswer |
---|
| 130 | trash = widget_text(BaseId, value = answer, /editable, _extra = ex, uname = 'text') |
---|
| 131 | trash = widget_button(BaseId, value = 'ok') |
---|
| 132 | ptranswer = ptr_new(/allocate_heap) |
---|
| 133 | widget_control, BaseId, set_uvalue = ptranswer |
---|
| 134 | ; we realize the widget and wait for an answer |
---|
| 135 | widget_control,BaseId,/realize |
---|
| 136 | xmanager,'xquestion',BaseId |
---|
| 137 | ; we get the answer |
---|
| 138 | answer = *ptranswer |
---|
| 139 | ; we freeing the pointer |
---|
| 140 | ptr_free, ptranswer |
---|
| 141 | ; |
---|
| 142 | return, answer |
---|
| 143 | end |
---|