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

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Text Widgetshas international set to false this field must beXawFmt8Bit. When the associated widget has internationalset to true this field must be either XawFmt8Bitor XawFmtWide.NoteSelecting TextNote: Previous versions of Xaw used FMT8BIT , which has been retainedfor backwards compatibility. FMT8BIT is deprecated and will eventually beremoved from the implementation.To select a piece of text, use XawTextSetSelection :void XawTextSetSelection( w, right);wleftrightSpecifies the Text widget.Specifies the character position at which the selection begins.Specifies the character position at which the selection ends.See section 5.4 for a description of XawTextPosition. If redisplay is enabled, thisfunction highlights the text and makes it the PRIMARY selection. This function doesnot have any effect on CUT_BUFFER0.Unhighlighting TextTo unhighlight previously highlighted text in a widget, use XawTextUnsetSelection:void XawTextUnsetSelection( w);wSpecifies the Text widget.Getting Current Text SelectionTo retrieve the text that has been selected by this text widget use XawTextGetSelectionPos:void XawTextGetSelectionPos( w, *end_return);wbegin_returnend_returnSpecifies the Text widget.Returns the beginning of the text selection.Returns the end of the text selection.See section 5.4 for a description of XawTextPosition. If the returned values areequal, no text is currently selected.Replacing TextTo modify the text in an editable Text widget use XawTextReplace:77
Text Widgetsint XawTextReplace( w, end, *text);wstartendtextSpecifies the Text widget.Specifies the starting character position of the text replacement.Specifies the ending character position of the text replacement.Specifies the text to be inserted into the file.This function will not be able to replace text in read-only text widgets. It will alsoonly be able to append text to an append-only text widget.See section 5.4 for a description of XawTextPosition and XawTextBlock.This function may return the following values:XawEditDoneXawPositionErrorXawEditErrorThe text replacement was successful.The edit mode is XawtextAppend and start is not theposition of the last character of the source.Either the Source was read-only or the range to bedeleted is larger than the length of the Source.The XawTextReplace arguments start and end represent the text source characterpositions for the existing text that is to be replaced by the text in the text block. Thecharacters from start up to but not including end are deleted, and the charactersspecified on the text block are inserted in their place. If start and end are equal, notext is deleted and the new text is inserted after start.Searching for TextTo search for a string in the Text widget, use XawTextSearch:XawTextPosition XawTextSearch( w, dir, text);wdirtextSpecifies the Text widget.Specifies the direction to search in. Legal values are XawsdLeftand XawsdRight.Specifies a text block structure that contains the text to searchfor.See section 5.4 for a description of XawTextPosition and XawTextBlock. The Xaw-TextSearch function will begin at the insertion point and search in the directionspecified for a string that matches the one passed in text. If the string is found thelocation of the first character in the string is returned. If the string could not befound then the value XawTextSearchError is returned.Redisplaying TextTo redisplay a range of characters, use XawTextInvalidate:78
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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
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Using Widgets6. When the argument l
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Using Widgetseither the name used t
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Using WidgetsArg arglist[10];arglis
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Simple WidgetsSuperclass LabelResou
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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 and 72: Text Widgetswill be insensitive and
Page 73 and 74: Text WidgetsTwoThreeFourFiveSelect
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: Text WidgetsText FunctionsLeft: bac
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
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Page 123 and 124: Composite and ConstraintWidgets: Gr
Page 125 and 126: Composite and ConstraintWidgetsReso
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Page 131 and 132: 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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