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Diffstat (limited to 'src/gc.c')
| -rw-r--r-- | src/gc.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/gc.c b/src/gc.c new file mode 100644 index 0000000..2cdf838 --- /dev/null +++ b/src/gc.c @@ -0,0 +1,117 @@ +/*****************************************************************************/ +/* + +Copyright 1989, 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 1988 by Evans & Sutherland Computer Corporation, **/ +/** Salt Lake City, Utah **/ +/** Cambridge, 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 permis- **/ +/** sion notice appear in supporting documentation, and that the **/ +/** name of Evans & Sutherland not be used in advertising **/ +/** in publicity pertaining to distribution of the software without **/ +/** specific, written prior permission. **/ +/** **/ +/** EVANS & SUTHERLAND DISCLAIMs ALL WARRANTIES WITH REGARD **/ +/** TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT- **/ +/** ABILITY AND FITNESS, IN NO EVENT SHALL EVANS & SUTHERLAND **/ +/** BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAM- **/ +/** AGES 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. **/ +/*****************************************************************************/ + + +/********************************************************************** + * + * $Xorg: gc.c,v 1.4 2001/02/09 02:05:36 xorgcvs Exp $ + * + * Open the fonts and create the GCs + * + * 31-Mar-88 Tom LaStrange Initial Version. + * + **********************************************************************/ + +#include <stdio.h> +#include "twm.h" +#include "util.h" +#include "screen.h" + +/*********************************************************************** + * + * Procedure: + * CreateGCs - open fonts and create all the needed GC's. I only + * want to do this once, hence the first_time flag. + * + *********************************************************************** + */ + +void +CreateGCs() +{ + static ScreenInfo *prevScr = NULL; + XGCValues gcv; + unsigned long gcm; + + if (!Scr->FirstTime || prevScr == Scr) + return; + + prevScr = Scr; + + /* create GC's */ + + gcm = 0; + gcm |= GCFunction; gcv.function = GXxor; + gcm |= GCLineWidth; gcv.line_width = 0; + gcm |= GCForeground; gcv.foreground = Scr->XORvalue; + gcm |= GCSubwindowMode; gcv.subwindow_mode = IncludeInferiors; + + Scr->DrawGC = XCreateGC(dpy, Scr->Root, gcm, &gcv); + + gcm = 0; + gcm |= GCForeground; gcv.foreground = Scr->MenuC.fore; + gcm |= GCBackground; gcv.background = Scr->MenuC.back; + gcm |= GCFont; gcv.font = Scr->MenuFont.font->fid; + + Scr->MenuGC = XCreateGC(dpy, Scr->Root, gcm, &gcv); + + gcm = 0; + gcm |= GCPlaneMask; gcv.plane_mask = AllPlanes; + /* + * Prevent GraphicsExpose and NoExpose events. We'd only get NoExpose + * events anyway; they cause BadWindow errors from XGetWindowAttributes + * call in FindScreenInfo (events.c) (since drawable is a pixmap). + */ + gcm |= GCGraphicsExposures; gcv.graphics_exposures = False; + gcm |= GCLineWidth; gcv.line_width = 0; + + Scr->NormalGC = XCreateGC(dpy, Scr->Root, gcm, &gcv); +} |