278 lines
8.2 KiB
C
278 lines
8.2 KiB
C
/*
|
|
* CDE - Common Desktop Environment
|
|
*
|
|
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
|
|
*
|
|
* These libraries and programs are free software; you can
|
|
* redistribute them and/or modify them under the terms of the GNU
|
|
* Lesser General Public License as published by the Free Software
|
|
* Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* These libraries and programs are distributed in the hope that
|
|
* they will be useful, but WITHOUT ANY WARRANTY; without even the
|
|
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU Lesser General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with these libraries and programs; if not, write
|
|
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
|
|
* Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/* *
|
|
* (c) Copyright 1993, 1994 Hewlett-Packard Company *
|
|
* (c) Copyright 1993, 1994 International Business Machines Corp. *
|
|
* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
|
|
* (c) Copyright 1993, 1994 Novell, Inc. *
|
|
*/
|
|
|
|
#include "TermHeader.h"
|
|
#include "TermPrimP.h"
|
|
#include "TermPrimDebug.h"
|
|
#include "TermPrimRenderP.h"
|
|
#include "TermPrimRenderFontSet.h"
|
|
|
|
typedef struct _TermFontSetRec {
|
|
XFontSet fontSet;
|
|
int ascent;
|
|
int height;
|
|
int width;
|
|
} TermFontSetRec, *TermFontSet;
|
|
|
|
static void
|
|
FontSetRenderFunction(
|
|
Widget w,
|
|
TermFont font,
|
|
Pixel fg,
|
|
Pixel bg,
|
|
unsigned long flags,
|
|
int x,
|
|
int y,
|
|
unsigned char *string,
|
|
int len
|
|
)
|
|
{
|
|
DtTermPrimitiveWidget tw = (DtTermPrimitiveWidget) w;
|
|
struct termData *tpd = tw->term.tpd;
|
|
XGCValues values;
|
|
unsigned long valueMask;
|
|
TermFontSet termFontSet = (TermFontSet) font->fontInfo;
|
|
int escapement;
|
|
XRectangle extents;
|
|
Boolean fixExtents;
|
|
|
|
/* set the renderGC... */
|
|
valueMask = (unsigned long) 0;
|
|
|
|
/* set background... */
|
|
if (tpd->renderGC.background != bg) {
|
|
tpd->renderGC.background = bg;
|
|
values.background = bg;
|
|
valueMask |= GCBackground;
|
|
}
|
|
|
|
/* since Xlib will be mucking with the GC's font under us, we need to
|
|
* make sure we trash the cached value...
|
|
*/
|
|
tpd->renderGC.fid = (Font) 0;
|
|
|
|
escapement = (tpd->mbCurMax == 1) ?
|
|
XmbTextExtents(termFontSet->fontSet, (char *) string, len,
|
|
NULL, &extents) :
|
|
XwcTextExtents(termFontSet->fontSet, (wchar_t*) string, len,
|
|
NULL, &extents);
|
|
|
|
/* Text height may be smaller than cellHeight (happens when using font sets).
|
|
In this case we need to fill background manually and then use X*DrawString
|
|
instead of X*DrawImageString */
|
|
fixExtents = extents.height < tpd->cellHeight;
|
|
|
|
if (fixExtents) {
|
|
/* set background color as foreground if needed*/
|
|
if (tpd->renderGC.foreground != bg) {
|
|
tpd->renderGC.foreground = bg;
|
|
valueMask|= GCForeground ;
|
|
values.foreground = bg;
|
|
}
|
|
if (valueMask) {
|
|
(void) XChangeGC(XtDisplay(w), tpd->renderGC.gc, valueMask, &values);
|
|
valueMask= (unsigned long) 0;
|
|
}
|
|
/* paint background manually */
|
|
(void) XFillRectangle(XtDisplay(w),
|
|
XtWindow(w),
|
|
tpd->renderGC.gc,
|
|
x,
|
|
y,
|
|
escapement,
|
|
tpd->cellHeight);
|
|
}
|
|
|
|
/* set the foreground... */
|
|
if (TermIS_SECURE(flags)) {
|
|
if (tpd->renderGC.foreground != bg) {
|
|
tpd->renderGC.foreground = bg;
|
|
values.foreground = bg;
|
|
valueMask |= GCForeground;
|
|
}
|
|
} else {
|
|
if (tpd->renderGC.foreground != fg) {
|
|
tpd->renderGC.foreground = fg;
|
|
values.foreground = fg;
|
|
valueMask |= GCForeground;
|
|
}
|
|
}
|
|
if (valueMask) {
|
|
(void) XChangeGC(XtDisplay(w), tpd->renderGC.gc, valueMask,
|
|
&values);
|
|
}
|
|
|
|
/* draw image string a line of text... */
|
|
if (isDebugFSet('t', 1)) {
|
|
/* we need to clear background after the debug draw and delay,
|
|
so this will cause X*DrawImageString to be always used
|
|
in debug mode */
|
|
fixExtents = 0;
|
|
#ifdef BBA
|
|
#pragma BBA_IGNORE
|
|
#endif /*BBA*/
|
|
/* Fill in the text area so we can see what is going to
|
|
* be displayed...
|
|
*/
|
|
(void) XFillRectangle(XtDisplay(w),
|
|
XtWindow(w),
|
|
tpd->renderGC.gc,
|
|
x,
|
|
y,
|
|
escapement,
|
|
extents.height);
|
|
(void) XSync(XtDisplay(w), False);
|
|
(void) shortSleep(100000);
|
|
}
|
|
|
|
|
|
if (tpd->mbCurMax == 1)
|
|
{
|
|
/* select right function, we do not want text background be drawn twice */
|
|
(void) (fixExtents ? XmbDrawString: XmbDrawImageString)
|
|
(XtDisplay(w), /* Display */
|
|
XtWindow(w), /* Drawable */
|
|
termFontSet->fontSet, /* XFontSet */
|
|
tpd->renderGC.gc, /* GC */
|
|
x, /* x */
|
|
y + termFontSet->ascent, /* y */
|
|
(char *)string, /* string */
|
|
len); /* length */
|
|
|
|
/* handle overstrike... */
|
|
if (TermIS_OVERSTRIKE(flags)) {
|
|
(void) XmbDrawString(XtDisplay(w), /* Display */
|
|
XtWindow(w), /* Drawable */
|
|
termFontSet->fontSet, /* XFontSet */
|
|
tpd->renderGC.gc, /* GC */
|
|
x + 1, /* x */
|
|
y + termFontSet->ascent, /* y */
|
|
(char *)string, /* string */
|
|
len); /* length */
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* select right function, we do not want text background be drawn twice */
|
|
(void) (fixExtents ? XwcDrawString: XwcDrawImageString)
|
|
(XtDisplay(w), /* Displa*/
|
|
XtWindow(w), /* Drawable */
|
|
termFontSet->fontSet, /* XFontSet */
|
|
tpd->renderGC.gc, /* GC */
|
|
x, /* x */
|
|
y + termFontSet->ascent, /* y */
|
|
(wchar_t *) string, /* string */
|
|
len); /* length */
|
|
|
|
/* handle overstrike... */
|
|
if (TermIS_OVERSTRIKE(flags)) {
|
|
(void) XwcDrawString(XtDisplay(w), /* Display */
|
|
XtWindow(w), /* Drawable */
|
|
termFontSet->fontSet, /* XFontSet */
|
|
tpd->renderGC.gc, /* GC */
|
|
x + 1, /* x */
|
|
y + termFontSet->ascent, /* y */
|
|
(wchar_t *) string, /* string */
|
|
len); /* length */
|
|
}
|
|
}
|
|
/* handle the underline enhancement... */
|
|
/* draw the underline... */
|
|
if (TermIS_UNDERLINE(flags)) {
|
|
XDrawLine(XtDisplay(w), /* Display */
|
|
XtWindow(w), /* Window */
|
|
tpd->renderGC.gc, /* GC */
|
|
x, /* X1 */
|
|
y + tpd->cellHeight - 1, /* Y1 */
|
|
x - 1 + escapement, /* X2 */
|
|
y + tpd->cellHeight - 1); /* Y2 */
|
|
}
|
|
}
|
|
|
|
static void
|
|
FontSetDestroyFunction(
|
|
Widget w,
|
|
TermFont font
|
|
)
|
|
{
|
|
(void) XtFree((char *) font->fontInfo);
|
|
(void) XtFree((char *) font);
|
|
}
|
|
|
|
static void
|
|
FontSetExtentsFunction(
|
|
Widget w,
|
|
TermFont font,
|
|
unsigned char *string,
|
|
int len,
|
|
int *widthReturn,
|
|
int *heightReturn,
|
|
int *ascentReturn
|
|
)
|
|
{
|
|
TermFontSet termFontSet = (TermFontSet) font->fontInfo;
|
|
|
|
if (widthReturn) {
|
|
*widthReturn = len * termFontSet->width;
|
|
}
|
|
if (heightReturn) {
|
|
*heightReturn = termFontSet->height;
|
|
}
|
|
if (ascentReturn) {
|
|
*ascentReturn = termFontSet->ascent;
|
|
}
|
|
return;
|
|
}
|
|
|
|
TermFont
|
|
_DtTermPrimRenderFontSetCreate(
|
|
Widget w,
|
|
XFontSet fontSet
|
|
)
|
|
{
|
|
TermFont termFont;
|
|
TermFontSet termFontSet;
|
|
XFontSetExtents *fontSetExtents;
|
|
|
|
termFont = (TermFont) XtMalloc(sizeof(TermFontRec));
|
|
termFont->renderFunction = FontSetRenderFunction;
|
|
termFont->destroyFunction = FontSetDestroyFunction;
|
|
termFont->extentsFunction = FontSetExtentsFunction;
|
|
|
|
termFontSet = (TermFontSet) XtMalloc(sizeof(TermFontSetRec));
|
|
termFontSet->fontSet = fontSet;
|
|
fontSetExtents = XExtentsOfFontSet(fontSet);
|
|
termFontSet->width = fontSetExtents->max_logical_extent.width;
|
|
termFontSet->height = fontSetExtents->max_logical_extent.height;
|
|
termFontSet->ascent = -fontSetExtents->max_logical_extent.y;
|
|
termFont->fontInfo = (XtPointer) termFontSet;
|
|
|
|
return(termFont);
|
|
}
|