TextSink.h
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流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * $Xorg: TextSink.h,v 1.4 2001/02/09 02:03:46 xorgcvs Exp $
- */
- /***********************************************************
- Copyright 1987, 1988, 1994, 1998 The Open Group
- Permission to use, copy, modify, distribute, and sell this software and its
- documentation for any purpose is hereby granted without fee, provided that
- the above copyright notice appear in all copies and that both that
- copyright notice and this permission notice appear in supporting
- documentation.
- 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
- OPEN GROUP 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 Open Group 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 Open Group.
- 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.
- ******************************************************************/
- /* $XFree86: xc/lib/Xaw/TextSink.h,v 1.9 2001/01/17 19:42:35 dawes Exp $ */
- #ifndef _XawTextSink_h
- #define _XawTextSink_h
- #include <X11/Xaw/Text.h>
- /***********************************************************************
- *
- * TextSink Object
- *
- ***********************************************************************/
- /* Resources:
- Name Class RepType Default Value
- ---- ----- ------- -------------
- font Font XFontStruct * XtDefaultFont
- foreground Foreground Pixel XtDefaultForeground
- background Background Pixel XtDefaultBackground
- cursorColor Color Pixel XtDefaultForeground
- */
- /* Class record constants */
- extern WidgetClass textSinkObjectClass;
- typedef struct _TextSinkClassRec *TextSinkObjectClass;
- typedef struct _TextSinkRec *TextSinkObject;
- typedef enum {XawisOn, XawisOff} XawTextInsertState;
- #ifndef OLDXAW
- #ifndef XtNcursorColor
- #define XtNcursorColor "cursorColor"
- #endif
- #define XawNtextProperties "textProperties"
- #define XawCTextProperties "TextProperties"
- #define XawRTextProperties "XawTextProperties"
- #endif
- /*
- * Public Functions
- */
- _XFUNCPROTOBEGIN
- /*
- * Function:
- * XawTextSinkDisplayText
- *
- * Parameters:
- * w - the TextSink Object
- * x - location to start drawing text
- * y - ""
- * pos1 - location of starting and ending points in the text buffer
- * pos2 - ""
- * highlight - hightlight this text?
- *
- * Description:
- * Stub function that in subclasses will display text.
- *
- * Note:
- * This function doesn't actually display anything, it is only a place
- * holder.
- */
- void XawTextSinkDisplayText
- (
- Widget w,
- #if NeedWidePrototypes
- int x,
- int y,
- #else
- Position x,
- Position y,
- #endif
- XawTextPosition pos1,
- XawTextPosition pos2,
- #if NeedWidePrototypes
- int highlight
- #else
- Boolean highlight
- #endif
- );
- /*
- * Function:
- * XawTextSinkInsertCursor
- *
- * Parameters:
- * w - the TextSink Object.
- * x - location for the cursor.
- * y - ""
- * state - whether to turn the cursor on, or off
- *
- * Description:
- * Places the InsertCursor.
- *
- * Note:
- * This function doesn't actually display anything, it is only a place
- * holder.
- */
- void XawTextSinkInsertCursor
- (
- Widget w,
- #if NeedWidePrototypes
- int x,
- int y,
- int state
- #else
- Position x,
- Position y,
- XawTextInsertState state
- #endif
- );
- /*
- * Function:
- * XawTextSinkClearToBackground
- *
- * Parameters:
- * w - TextSink Object
- * x - location of area to clear
- * y - ""
- * width - size of area to clear
- * height - ""
- *
- * Description:
- * Clears a region of the sink to the background color.
- *
- * Note:
- * This function doesn't actually display anything, it is only a place
- * holder.
- */
- void XawTextSinkClearToBackground
- (
- Widget w,
- #if NeedWidePrototypes
- int x,
- int y,
- unsigned int width,
- unsigned int height
- #else
- Position x,
- Position y,
- Dimension width,
- Dimension height
- #endif
- );
- /*
- * Function:
- * XawTextSinkFindPosition
- *
- * Parameters:
- * w - 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
- * resWidth - Width actually used
- * resHeight - Height actually used
- *
- * Description:
- * Finds a position in the text.
- */
- void XawTextSinkFindPosition
- (
- Widget w,
- XawTextPosition fromPos,
- int fromX,
- int width,
- #if NeedWidePrototypes
- int stopAtWordBreak,
- #else
- Boolean stopAtWordBreak,
- #endif
- XawTextPosition* pos_return,
- int *width_return,
- int *height_return
- );
- /*
- * Function:
- * XawTextSinkFindDistance
- *
- * Parameters:
- * w - 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
- *
- * Description:
- * Find the Pixel Distance between two text Positions.
- */
- void XawTextSinkFindDistance
- (
- Widget w,
- XawTextPosition fromPos,
- int fromX,
- XawTextPosition toPos,
- int *width_return,
- XawTextPosition *pos_return,
- int *height_return
- );
- /*
- * Function:
- * XawTextSinkResolve
- *
- * Parameters:
- * w - TextSink Object
- * pos - reference Position
- * fromx - reference Location
- * width - width to move
- * resPos - resulting position
- *
- * Description:
- * Resloves a location to a position.
- */
- void XawTextSinkResolve
- (
- Widget w,
- XawTextPosition fromPos,
- int fromX,
- int width,
- XawTextPosition *pos_return
- );
- /*
- * Function:
- * XawTextSinkMaxLines
- *
- * Parameters:
- * w - TextSink Object
- * height - height to fit lines into
- *
- * Returns:
- * Number of lines that will fit
- *
- * Description:
- * Finds the Maximum number of lines that will fit in a given height.
- */
- int XawTextSinkMaxLines
- (
- Widget w,
- #if NeedWidePrototypes
- unsigned int height
- #else
- Dimension height
- #endif
- );
- /*
- * Function:
- * XawTextSinkMaxHeight
- *
- * Parameters:
- * w - TextSink Object
- * lines - number of lines
- *
- * Returns:
- * Height
- *
- * Description:
- * Finds the Minium height that will contain a given number lines.
- */
- int XawTextSinkMaxHeight
- (
- Widget w,
- int lines
- );
- /*
- * Function:
- * XawTextSinkSetTabs
- *
- * Parameters:
- * w - TextSink Object
- * tab_count - number of tabs in the list
- * tabs - text positions of the tabs
- * Description:
- * Sets the Tab stops.
- */
- void XawTextSinkSetTabs
- (
- Widget w,
- int tab_count,
- int *tabs
- );
- /*
- * Function:
- * XawTextSinkGetCursorBounds
- *
- * Parameters:
- * w - TextSink Object
- * rect - X rectance containing the cursor bounds
- * Description:
- * Finds the bounding box for the insert curor (caret).
- */
- void XawTextSinkGetCursorBounds
- (
- Widget w,
- XRectangle *rect_return
- );
- _XFUNCPROTOEND
- #endif /* _XawTextSink_h */