lyx_mirror/src/Painter.C
Lars Gullik Bjønnes 9062ce972e different low-level key handling for xforms 0.89, use signals in workarea, changes to allow docxx to compile
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@969 a592a061-630c-0410-9148-cb99ea01b6c8
2000-08-14 15:31:16 +00:00

384 lines
9.4 KiB
C

// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1998-2000 The LyX Team
*
*======================================================*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#ifdef USE_STL_MEMORY
#include <memory>
#endif
#include <cmath>
#include FORMS_H_LOCATION
#include "Painter.h"
#include "LString.h"
#include "debug.h"
#include "lyxfont.h"
#include "support/LAssert.h"
#include "support/lstrings.h"
#include "WorkArea.h"
#include "font.h"
#include "ColorHandler.h"
#include "lyxrc.h"
#include "encoding.h"
using std::endl;
using std::max;
Painter::Painter(WorkArea & wa)
: PainterBase(wa)
{
display = fl_display;
}
/* Basic drawing routines */
extern bool Lgb_bug_find_hack;
PainterBase & Painter::point(int x, int y, LColor::color c)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "point not called from "
"workarea::workhandler\n";
lyxerr.debug() << "Painter drawable: "
<< owner.getPixmap() << endl;
}
XDrawPoint(display, owner.getPixmap(),
lyxColorHandler->getGCForeground(c), x, y);
return *this;
}
PainterBase & Painter::line(int x1, int y1, int x2, int y2,
LColor::color col,
enum line_style ls,
enum line_width lw)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "line not called from "
"workarea::workhandler\n";
lyxerr.debug() << "Painter drawable: "
<< owner.getPixmap() << endl;
}
XDrawLine(display, owner.getPixmap(),
lyxColorHandler->getGCLinepars(ls, lw, col),
x1, y1, x2, y2);
return *this;
}
PainterBase & Painter::lines(int const * xp, int const * yp, int np,
LColor::color col,
enum line_style ls,
enum line_width lw)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "lines not called from "
"workarea::workhandler\n";
lyxerr.debug() << "Painter drawable: "
<< owner.getPixmap() << endl;
}
#ifndef HAVE_AUTO_PTR
XPoint * points = new XPoint[np];
#else
auto_ptr<XPoint> points(new Xpoint[np]);
#endif
for (int i = 0; i < np; ++i) {
points[i].x = xp[i];
points[i].y = yp[i];
}
XDrawLines(display, owner.getPixmap(),
lyxColorHandler->getGCLinepars(ls, lw, col),
points, np, CoordModeOrigin);
#ifndef HAVE_AUTO_PTR
delete[] points;
#endif
return *this;
}
PainterBase & Painter::rectangle(int x, int y, int w, int h,
LColor::color col,
enum line_style ls,
enum line_width lw)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "rectangle not called from "
"workarea::workhandler\n";
lyxerr << "Painter drawable: "
<< owner.getPixmap() << endl;
}
XDrawRectangle(display, owner.getPixmap(),
lyxColorHandler->getGCLinepars(ls, lw, col),
x, y, w, h);
return *this;
}
PainterBase & Painter::fillRectangle(int x, int y, int w, int h,
LColor::color col)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "fillrectangle not called from "
"workarea::workhandler\n";
lyxerr << "Painter drawable: "
<< owner.getPixmap() << endl;
}
XFillRectangle(display, owner.getPixmap(),
lyxColorHandler->getGCForeground(col), x, y, w, h);
return *this;
}
PainterBase & Painter::fillPolygon(int const * xp, int const * yp, int np,
LColor::color col)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr <<"fillpolygon not called from "
"workarea::workhandler\n";
lyxerr << "Painter drawable: " << owner.getPixmap() << endl;
}
#ifndef HAVE_AUTO_PTR
XPoint * points = new XPoint[np];
#else
auto_ptr<XPoint> points(new XPoint[np]);
#endif
for (int i=0; i < np; ++i) {
points[i].x = xp[i];
points[i].y = yp[i];
}
XFillPolygon(display, owner.getPixmap(),
lyxColorHandler->getGCForeground(col), points, np,
Nonconvex, CoordModeOrigin);
#ifndef HAVE_AUTO_PTR
delete[] points;
#endif
return *this;
}
PainterBase & Painter::arc(int x, int y,
unsigned int w, unsigned int h,
int a1, int a2, LColor::color col)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "arc not called from "
"workarea::workhandler\n";
lyxerr << "Painter drawable: " << owner.getPixmap() << endl;
}
XDrawArc(display, owner.getPixmap(),
lyxColorHandler->getGCForeground(col),
x, y, w, h, a1, a2);
return *this;
}
/// Draw lines from x1,y1 to x2,y2. They are arrays
PainterBase & Painter::segments(int const * x1, int const * y1,
int const * x2, int const * y2, int ns,
LColor::color col,
enum line_style ls, enum line_width lw)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "segments not called from "
"workarea::workhandler\n";
lyxerr << "Painter drawable: " << owner.getPixmap() << endl;
}
#ifndef HAVE_AUTO_PTR
XSegment * s= new XSegment[ns];
#else
auto_ptr<XSegment> s(new XSegment[ns]);
#endif
for (int i=0; i<ns; ++i) {
s[i].x1 = x1[i];
s[i].y1 = y1[i];
s[i].x2 = x2[i];
s[i].y2 = y2[i];
}
XDrawSegments(display, owner.getPixmap(),
lyxColorHandler->getGCLinepars(ls, lw, col), s, ns);
#ifndef HAVE_AUTO_PTR
delete [] s;
#endif
return *this;
}
PainterBase & Painter::pixmap(int x, int y, int w, int h, Pixmap bitmap)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "workAreaExpose not called from "
"workarea::workhandler\n";
lyxerr << "Painter drawable: " << owner.getPixmap() << endl;
}
XGCValues val;
val.function = GXcopy;
GC gc = XCreateGC(display, owner.getPixmap(),
GCFunction, &val);
XCopyArea(display, bitmap, owner.getPixmap(), gc,
0, 0, w, h, x, y);
XFreeGC(display, gc);
return *this;
}
PainterBase & Painter::text(int x, int y, string const & s, LyXFont const & f)
{
return text(x, y, s.c_str(), s.length(), f);
}
PainterBase & Painter::text(int x, int y, char c, LyXFont const & f)
{
char s[2] = { c, '\0' };
return text(x, y, s, 1, f);
}
PainterBase & Painter::text(int x, int y, char const * s, int ls,
LyXFont const & f)
{
if (lyxrc.font_norm_type == LyXRC::ISO_10646_1) {
XChar2b * xs = new XChar2b[ls];
Encoding const * encoding = f.language()->encoding();
LyXFont const * font = &f;
if (f.family() == LyXFont::SYMBOL_FAMILY) {
#ifdef USE_UNICODE_FOR_SYMBOLS
LyXFont font2 = f;
font2.setFamily(LyXFont::ROMAN_FAMILY);
font2.setShape(LyXFont::UP_SHAPE);
font = &font2;
#endif
encoding = &symbol_encoding;
}
for (int i = 0; i < ls; ++i) {
Uchar c = encoding->ucs(s[i]);
xs[i].byte1 = c >> 8;
xs[i].byte2 = c & 0xff;
}
text(x , y, xs, ls, *font);
delete[] xs;
return *this;
}
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "text not called from "
"workarea::workhandler\n";
lyxerr << "Painter drawable: " << owner.getPixmap() << endl;
}
GC gc = lyxColorHandler->getGCForeground(f.realColor());
if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
lyxfont::XSetFont(display, gc, f);
XDrawString(display, owner.getPixmap(), gc, x, y, s, ls);
} else {
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
char c;
int tmpx = x;
for(int i = 0; i < ls; ++i) {
c = s[i];
if (islower(static_cast<unsigned char>(c))) {
c = toupper(c);
lyxfont::XSetFont(display, gc, smallfont);
XDrawString(display, owner.getPixmap(),
gc, tmpx, y, &c, 1);
tmpx += lyxfont::XTextWidth(smallfont, &c, 1);
} else {
lyxfont::XSetFont(display, gc, f);
XDrawString(display, owner.getPixmap(),
gc, tmpx, y, &c, 1);
tmpx += lyxfont::XTextWidth(f, &c, 1);
}
}
}
if (f.underbar() == LyXFont::ON && f.latex() != LyXFont::ON)
underline(f, x, y, lyxfont::width(s, ls, f));
return *this;
}
PainterBase & Painter::text(int x, int y, XChar2b const * s, int ls,
LyXFont const & f)
{
if (lyxerr.debugging(Debug::GUI)) {
if (!Lgb_bug_find_hack)
lyxerr << "text not called from "
"workarea::workhandler\n";
lyxerr << "Painter drawable: " << owner.getPixmap() << endl;
}
GC gc = lyxColorHandler->getGCForeground(f.realColor());
if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
lyxfont::XSetFont(display, gc, f);
XDrawString16(display, owner.getPixmap(), gc, x, y, s, ls);
} else {
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
static XChar2b c = {0, 0};
int tmpx = x;
for(int i = 0; i < ls; ++i) {
if (s[i].byte1 == 0 && islower(s[i].byte2)) {
c.byte2 = toupper(s[i].byte2);
lyxfont::XSetFont(display, gc, smallfont);
XDrawString16(display, owner.getPixmap(),
gc, tmpx, y, &c, 1);
tmpx += lyxfont::XTextWidth16(smallfont, &c, 1);
} else {
lyxfont::XSetFont(display, gc, f);
XDrawString16(display, owner.getPixmap(),
gc, tmpx, y, &s[i], 1);
tmpx += lyxfont::XTextWidth16(f, const_cast<XChar2b *>(&s[i]), 1);
}
}
}
if (f.underbar() == LyXFont::ON && f.latex() != LyXFont::ON)
underline(f, x, y, lyxfont::width(s, ls, f));
return *this;
}
void Painter::underline(LyXFont const & f, int x, int y, int width)
{
int below = max(lyxfont::maxDescent(f) / 2, 2);
int height = max((lyxfont::maxDescent(f) / 4) - 1, 1);
if (height < 2)
line(x, y + below, x + width, y + below, f.color());
else
fillRectangle(x, y + below, width, below + height,
f.color());
}