172 lines
4.5 KiB
C
172 lines
4.5 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*----------------------------------------------------------------------*/
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/* */
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/* Name: <Xfe/GcUtil.c> */
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/* Description: Xfe widgets graphic context utilities. */
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/* Author: Ramiro Estrugo <ramiro@netscape.com> */
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/* */
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/*----------------------------------------------------------------------*/
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#include <Xfe/XfeP.h>
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/*----------------------------------------------------------------------*/
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/* */
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/* GC functions */
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/* */
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/*----------------------------------------------------------------------*/
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GC
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XfeAllocateStringGc(Widget w,
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XmFontList font_list,
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Pixel fg,
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Pixel bg,
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Boolean sensitive)
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/*----------------------------------------------------------------------*/
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{
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XGCValues values;
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XFontStruct * fs = (XFontStruct *) NULL;
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XtGCMask value_mask;
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value_mask = GCGraphicsExposures | GCForeground;
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values.graphics_exposures = False;
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values.foreground = fg;
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/* Add insensitive tile if needed */
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if (!sensitive)
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{
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value_mask |= (GCFillStyle | GCTile);
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values.fill_style = FillTiled;
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values.tile = XfeInsensitiveTile(_XfeScreen(w),_XfeDepth(w),fg,bg);
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}
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/* Obtain the XFontStruct */
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_XmFontListGetDefaultFont(font_list,&fs);
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/* Add font if it is good */
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if (fs != NULL)
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{
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value_mask |= GCFont;
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values.font = fs->fid;
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}
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/* Allocate the string GC */
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return XtAllocateGC(w,_XfeDepth(w),value_mask,&values,0,0);
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}
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/*----------------------------------------------------------------------*/
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GC
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XfeAllocateColorGc(Widget w,Pixel fg,Pixel bg,Boolean sensitive)
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{
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XGCValues values;
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XtGCMask value_mask;
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value_mask = GCGraphicsExposures | GCForeground;
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values.graphics_exposures = False;
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values.foreground = fg;
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/* Add insensitive tile if needed */
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if (!sensitive)
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{
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value_mask |= (GCFillStyle | GCTile);
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values.fill_style = FillTiled;
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values.tile = XfeInsensitiveTile(_XfeScreen(w),_XfeDepth(w),fg,bg);
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}
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return XtGetGC(w,value_mask,&values);
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}
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/*----------------------------------------------------------------------*/
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GC
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XfeAllocateTileGc(Widget w,Pixmap tile_pixmap)
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{
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XGCValues values;
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XtGCMask value_mask;
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value_mask = GCGraphicsExposures;
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values.graphics_exposures = False;
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/* Use the tile pixmap only if it is good */
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if (_XfePixmapGood(tile_pixmap))
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{
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value_mask |= GCFillStyle | GCTile;
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values.fill_style = FillTiled;
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values.tile = tile_pixmap;
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}
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return XtGetGC(w,value_mask,&values);
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}
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/*----------------------------------------------------------------------*/
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GC
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XfeAllocateTransparentGc(Widget w)
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{
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XGCValues values;
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XtGCMask value_mask = GCGraphicsExposures;
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XtGCMask dynamic_mask = GCClipMask | GCClipXOrigin | GCClipYOrigin;
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values.graphics_exposures = False;
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return XtAllocateGC(w,_XfeDepth(w),value_mask,&values,dynamic_mask,0);
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}
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/*----------------------------------------------------------------------*/
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GC
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XfeAllocateSelectionGc(Widget w,
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Dimension thickness,
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Pixel fg,
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Pixel bg)
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{
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XGCValues values;
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XtGCMask value_mask;
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value_mask =
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GCGraphicsExposures | GCForeground | GCLineWidth |
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GCFunction | GCSubwindowMode;
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values.graphics_exposures = False;
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values.line_width = thickness;
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values.function = GXxor;
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values.subwindow_mode = IncludeInferiors;
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values.foreground = fg ^ bg;
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return XtGetGC(w,value_mask,&values);
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}
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/*----------------------------------------------------------------------*/
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GC
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XfeAllocateCopyGc(Widget w)
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{
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XGCValues values;
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XtGCMask value_mask;
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value_mask = GCGraphicsExposures;
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values.graphics_exposures = False;
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return XtGetGC(w,value_mask,&values);
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}
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/*----------------------------------------------------------------------*/
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