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Diffstat (limited to 'src/TextSink.h')
| -rw-r--r-- | src/TextSink.h | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/src/TextSink.h b/src/TextSink.h new file mode 100644 index 0000000..957938b --- /dev/null +++ b/src/TextSink.h @@ -0,0 +1,317 @@ +/* + * $XConsortium: TextSink.h,v 1.10 94/04/17 20:13:12 kaleb Exp $ + */ + +/*********************************************************** + +Copyright (c) 1987, 1988, 1994 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from the X Consortium. + + +Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + +#ifndef _XawTextSink_h +#define _XawTextSink_h + +#include <X11/Xaw3d/Text.h> + +/*********************************************************************** + * + * TextSink Object + * + ***********************************************************************/ + +/* Resources: + + Name Class RepType Default Value + ---- ----- ------- ------------- + foreground Foreground Pixel XtDefaultForeground + background Background Pixel XtDefaultBackground + +*/ + +/* Class record constants */ + +extern WidgetClass textSinkObjectClass; + +typedef struct _TextSinkClassRec *TextSinkObjectClass; +typedef struct _TextSinkRec *TextSinkObject; + +typedef enum {XawisOn, XawisOff} XawTextInsertState; + +/************************************************************ + * + * Public Functions. + * + ************************************************************/ + +_XFUNCPROTOBEGIN + +/* Function Name: XawTextSinkDisplayText + * Description: Stub function that in subclasses will display text. + * Arguments: w - the TextSink Object. + * x, y - location to start drawing text. + * pos1, pos2 - location of starting and ending points + * in the text buffer. + * highlight - hightlight this text? + * Returns: none. + * + * This function doesn't actually display anything, it is only a place + * holder. + */ + +extern void XawTextSinkDisplayText( +#if NeedFunctionPrototypes + Widget /* w */, +#if NeedWidePrototypes + /* Position */ int /* x */, + /* Position */ int /* y */, +#else + Position /* x */, + Position /* y */, +#endif + XawTextPosition /* pos1 */, + XawTextPosition /* pos2 */, +#if NeedWidePrototypes + /* Boolean */ int /* highlight */ +#else + Boolean /* highlight */ +#endif +#endif +); + +/* Function Name: XawTextSinkInsertCursor + * Description: Places the InsertCursor. + * Arguments: w - the TextSink Object. + * x, y - location for the cursor. + * staye - whether to turn the cursor on, or off. + * Returns: none. + * + * This function doesn't actually display anything, it is only a place + * holder. + */ + +extern void XawTextSinkInsertCursor( +#if NeedFunctionPrototypes + Widget /* w */, +#if NeedWidePrototypes + /* Position */ int /* x */, + /* Position */ int /* y */, + /* XawTextInsertState */ int /* state */ +#else + Position /* x */, + Position /* y */, + XawTextInsertState /* state */ +#endif +#endif +); + +/* Function Name: XawTextSinkClearToBackground + * Description: Clears a region of the sink to the background color. + * Arguments: w - the TextSink Object. + * x, y - location of area to clear. + * width, height - size of area to clear + * Returns: void. + * + * This function doesn't actually display anything, it is only a place + * holder. + */ + +extern void XawTextSinkClearToBackground( +#if NeedFunctionPrototypes + Widget /* w */, +#if NeedWidePrototypes + /* Position */ int /* x */, + /* Position */ int /* y */, + /* Dimension */ int /* width */, + /* Dimension */ int /* height */ +#else + Position /* x */, + Position /* y */, + Dimension /* width */, + Dimension /* height */ +#endif +#endif +); + +/* Function Name: XawTextSinkFindPosition + * Description: Finds a position in the text. + * Arguments: w - the TextSink Object. + * fromPos - reference position. + * fromX - reference location. + * width, - width of section to paint text. + * stopAtWordBreak - returned position is a word break? + * resPos - Position to return. *** RETURNED *** + * resWidth - Width actually used. *** RETURNED *** + * resHeight - Height actually used. *** RETURNED *** + * Returns: none (see above). + */ + +extern void XawTextSinkFindPosition( +#if NeedFunctionPrototypes + Widget /* w */, + XawTextPosition /* fromPos */, + int /* fromX */, + int /* width */, +#if NeedWidePrototypes + /* Boolean */ int /* stopAtWordBreak */, +#else + Boolean /* stopAtWordBreak */, +#endif + XawTextPosition* /* pos_return */, + int* /* width_return */, + int* /* height_return */ +#endif +); + +/* Function Name: XawTextSinkFindDistance + * Description: Find the Pixel Distance between two text Positions. + * Arguments: w - the TextSink Object. + * fromPos - starting Position. + * fromX - x location of starting Position. + * toPos - end Position. + * resWidth - Distance between fromPos and toPos. + * resPos - Acutal toPos used. + * resHeight - Height required by this text. + * Returns: none. + */ + +extern void XawTextSinkFindDistance ( +#if NeedFunctionPrototypes + Widget /* w */, + XawTextPosition /* fromPos */, + int /* fromX */, + XawTextPosition /* toPos */, + int* /* width_return */, + XawTextPosition* /* pos_return */, + int* /* height_return */ +#endif +); + +/* Function Name: XawTextSinkResolve + * Description: Resloves a location to a position. + * Arguments: w - the TextSink Object. + * pos - a reference Position. + * fromx - a reference Location. + * width - width to move. + * resPos - the resulting position. + * Returns: none + */ + +extern void XawTextSinkResolve( +#if NeedFunctionPrototypes + Widget /* w */, + XawTextPosition /* fromPos */, + int /* fromX */, + int /* width */, + XawTextPosition* /* pos_return */ +#endif +); + +/* Function Name: XawTextSinkMaxLines + * Description: Finds the Maximum number of lines that will fit in + * a given height. + * Arguments: w - the TextSink Object. + * height - height to fit lines into. + * Returns: the number of lines that will fit. + */ + +extern int XawTextSinkMaxLines( +#if NeedFunctionPrototypes + Widget /* w */, +#if NeedWidePrototypes + /* Dimension */ int /* height */ +#else + Dimension /* height */ +#endif +#endif +); + +/* Function Name: XawTextSinkMaxHeight + * Description: Finds the Minium height that will contain a given number + * lines. + * Arguments: w - the TextSink Object. + * lines - the number of lines. + * Returns: the height. + */ + +extern int XawTextSinkMaxHeight( +#if NeedFunctionPrototypes + Widget /* w */, + int /* lines */ +#endif +); + +/* Function Name: XawTextSinkSetTabs + * Description: Sets the Tab stops. + * Arguments: w - the TextSink Object. + * tab_count - the number of tabs in the list. + * tabs - the text positions of the tabs. + * Returns: none + */ + +extern void XawTextSinkSetTabs( +#if NeedFunctionPrototypes + Widget /* w */, + int /* tab_count */, + int* /* tabs */ +#endif +); + +/* Function Name: XawTextSinkGetCursorBounds + * Description: Finds the bounding box for the insert curor (caret). + * Arguments: w - the TextSinkObject. + * rect - an X rectance containing the cursor bounds. + * Returns: none (fills in rect). + */ + +extern void XawTextSinkGetCursorBounds( +#if NeedFunctionPrototypes + Widget /* w */, + XRectangle* /* rect_return */ +#endif +); + +_XFUNCPROTOEND + +#endif /* _XawTextSrc_h */ |