Athena Widget Set - C Language Interface - X Consortium ... - X.Org

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Text WidgetsFile InsertionText replaceTextCommand searchCommand replaceOneCommand replaceAllCommand cancelTo insert a file into a text widget, type the key sequence Meta-i, which will activatethe file insert popup. This popup will appear under the pointer, and any text typedwhile the focus is in this popup will be redirected to the text field used for thefilename. When the desired filename has been entered, click on Insert File, or typeCarriage Return. The named file will then be inserted in the text widget beginningat the insertion point position. If an error occurs when opening the file, an errormessage will be printed, prompting the user to enter the filename again. The fileinsert may be aborted by clicking on Cancel. If Meta-i is typed at a text widget thatis read-only, it will beep, as no file insertion is allowed.The widget hierarchy for the file insert popup is show below; all widgets are listedby class and instance name.Text TransientShell insertFileForm formLabel labelText textCommand insertCommand cancelText Selections for UsersThe text widgets have a text selection mechanism that allows the user to copy piecesof the text into the PRIMARY selection, and paste into the text widget some text thatanother application (or text widget) has put in the PRIMARY selection.One method of selecting text is to press pointer button 1 on the beginning of thetext to be selected, drag the pointer until all of the desired text is highlighted, andthen release the button to activate the selection. Another method is to click pointerbutton 1 at one end of the text to be selected, then click pointer button 3 at theother end.To modify a currently active selection, press pointer button 3 near either the end ofthe selection that you want to adjust. This end of the selection may be moved whileholding down pointer button 3. When the proper area has been highlighted releasethe pointer button to activate the selection.The selected text may now be pasted into another application, and will remain activeuntil some other client makes a selection. To paste text that some other applicationhas put into the PRIMARY selection use pointer button 2. First place the insertionpoint where you would like the text to be inserted, then click and release pointerbutton 2.Rapidly clicking pointer button 1 the following number of times will adjust the selectionas described.67
Text WidgetsTwoThreeFourFiveSelect the word under the pointer. A word boundary is definedby the Text widget to be a Space, Tab, or Carriage Return.Select the line under the pointer.Select the paragraph under the pointer. A paragraph boundaryis defined by the text widget as two Carriage Returns ina row with only Spaces or Tabs between them.Select the entire text buffer.To unset the text selection, click pointer button 1 without moving it.Text Widget ActionsAll editing functions are performed by translation manager actions that may bespecified through the translations resource in the Text widget.Insert Point Movementforward-characterbackward-characterforward-wordbackward-wordforward-paragraphbackward-paragraphbeginning-of-lineend-of-linenext-lineprevious-linenext-pageprevious-pagebeginning-of-fileend-of-filescroll-one-line-upscroll-one-line-downDeletedelete-next-characterdelete-previous-characterdelete-next-worddelete-previous-worddelete-selectionSelectionselect-wordselect-allselect-startselect-adjustselect-endextend-startextend-adjustextend-endinsert-selectionMiscellaneousredraw-displayinsert-fileinsert-charinsert-stringdisplay-caretfocus-infocus-insearchmultiplyform-paragraphtranspose-charactersno-opNew Linenewline-and-indentnewline-and-backupnewlineKillkill-wordbackward-kill-wordkill-selectionkill-to-end-of-linekill-paragraphkill-to-end-of-paragraph68
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Athena Widget Set -C Language Inter
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Table of Contents1. Athena Widgets
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Athena Widget Set -C Language Inter
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Athena Widgetsand The Intrinsicswid
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Athena Widgetsand The Intrinsics•
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Athena Widgetsand The IntrinsicsDRD
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Using Widgetsapplication_classoptio
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Using WidgetsName Class Type Defaul
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Using Widgetsapp_contextSpecifies t
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Using Widgetsnum_argsSpecifies the
Page 21 and 22: Using Widgets6. When the argument l
Page 23 and 24: Using Widgetseither the name used t
Page 25 and 26: Using WidgetsArg arglist[10];arglis
Page 27 and 28: Simple WidgetsSuperclass LabelResou
Page 29 and 30: Simple Widgets• Processing applic
Page 31 and 32: Simple WidgetsName Class Type Notes
Page 33 and 34: Simple WidgetsResourceswill allow i
Page 35 and 36: Simple WidgetsResourcesWhen creatin
Page 37 and 38: Simple WidgetsforegroundA pixel val
Page 39 and 40: Simple WidgetsresizeSpecifies a Boo
Page 43 and 44: Simple WidgetssliderWidthPanner Act
Page 47 and 48: Simple WidgetsRepeater ActionsThe R
Page 51 and 52: Simple Widgetsbacks and passes eith
Page 53 and 54: Simple WidgetsSimple Widget\ * reso
Page 55 and 56: Simple WidgetsResourcesThe StripCha
Page 57 and 58: Simple Widgetsvoid(*getValueProc)(
Page 61 and 62: Simple Widgetsnotify()When the Togg
Page 63 and 64: Chapter 4. MenusThe Athena widget s
Page 65 and 66: MenusNotify(\|)Called when the user
Page 67 and 68: MenusleftBitmaprightBitmapThis is a
Page 69 and 70: Chapter 5. Text WidgetsThe Text wid
Page 71: Text Widgetswill be insensitive and
Page 75 and 76: Text Widgetsscroll-one-line-up()scr
Page 77 and 78: Text Widgetskill-to-end-of-paragrap
Page 79 and 80: Text Widgetsreconnect-im()The popup
Page 81 and 82: Text WidgetsText FunctionsLeft: bac
Page 83 and 84: Text Widgetsint XawTextReplace( w,
Page 85 and 86: Text WidgetsCalling this function i
Page 87 and 88: Text WidgetsClass Header fileClassC
Page 89 and 90: Text WidgetsResourcesClass Name Tex
Page 91 and 92: Text WidgetsClearing Portions of th
Page 93 and 94: Text WidgetsFinding the Size of the
Page 95 and 96: Text WidgetsXawTextPosition Read( w
Page 97 and 98: Text Widgetstypevalue_returnlength_
Page 99 and 100: Text WidgetsResourcesSuperclass Tex
Page 101 and 102: Text WidgetsBoolean XawAsciiSaveAsF
Page 103 and 104: Text WidgetsName Class Type Notes D
Page 105 and 106: Chapter 6. Composite and Constraint
Page 107 and 108: Composite and ConstraintWidgetsName
Page 111 and 112: Composite and ConstraintWidgetsLayo
Page 113 and 114: Composite and ConstraintWidgets{Wid
Page 117 and 118: Composite and ConstraintWidgetsAppl
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Composite and ConstraintWidgets: Gr
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Composite and ConstraintWidgetsReso
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Composite and ConstraintWidgetsName
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Composite and ConstraintWidgetsAppl
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Composite and ConstraintWidgetsLayo
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Creating New Widgets(Subclassing)It
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Creating New Widgets(Subclassing)dr
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Creating New Widgets(Subclassing)st
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Creating New Widgets(Subclassing)In
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AcknowledgmentsDonna ConverseMIT X
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Athena Widget Set - C Language Interface - X Consortium ... - X.Org

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