*
* LyX, The Document Processor
*
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-1999 The LyX Team.
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2000 The LyX Team.
*
* ====================================================== */
#include "vspace.h"
#include "lyxrc.h"
#include "lyxtext.h"
-#include <cstdio>
-#include <cstring>
#include "BufferView.h"
#include "support/lstrings.h"
-extern LyXRC * lyxrc;
-extern BufferView *current_view;
/* length units
*/
-static const int num_units = LyXLength::UNIT_NONE;
+static const int num_units = LyXLength::UNIT_NONE;
// I am not sure if "mu" should be possible to select (Lgb)
static char const * unit_name[num_units] = { "sp", "pt", "bp", "dd",
- "mm", "pc", "cc", "cm",
- "in", "ex", "em", "mu" };
+ "mm", "pc", "cc", "cm",
+ "in", "ex", "em", "mu" };
LyXLength::UNIT unitFromString (string const & data)
{
int i = 0;
- while ((i<num_units) && (data != unit_name[i])) ++i;
- return (LyXLength::UNIT)i;
+ while ((i < num_units) && (data != unit_name[i])) ++i;
+ return static_cast<LyXLength::UNIT>(i);
}
/* The following static items form a simple scanner for
//static int number_index, unit_index;
int number_index, unit_index;
-static inline void lyx_advance (string & data, unsigned int n)
+
+static inline
+void lyx_advance (string & data, unsigned int n)
{
data.erase(0, n);
}
-static inline bool isEndOfData (string const & data)
+
+static inline
+bool isEndOfData (string const & data)
{
return frontStrip (data).empty();
}
-static char nextToken (string & data)
+
+static
+char nextToken (string & data)
{
data = frontStrip(data);
if (data.empty())
else {
string::size_type i;
- // I really mean assignment ("= ") below, not equality!
+ // I really mean assignment ("=") below, not equality!
if ((i = data.find_last_of("0123456789.")) != string::npos) {
if (number_index > 3) return 'E'; // Error
- string buffer = data.substr(0, i + 1);
- if (sscanf (buffer.c_str(),
- "%f", &number[number_index]) == 1) {
+ string buffer = data.substr(0, i + 1).c_str();
+ double x = strToDbl(buffer);
+ if (x) {
+ number[number_index] = x;
lyx_advance (data, i + 1);
++number_index;
return 'n';
}
}
-static struct {
+
+struct LaTeXLength {
char const * pattern;
int plus_val_index, minus_val_index,
- plus_uni_index, minus_uni_index;
-} table[] = { { "nu", 0, 0, 0, 0 },
- { "nu+nu", 2, 0, 2, 0 },
- { "nu+nu-nu", 2, 3, 2, 3 },
- { "nu+-nu", 2, 2, 2, 2 },
- { "nu-nu", 0, 2, 0, 2 },
- { "nu-nu+nu", 3, 2, 3, 2 },
- { "nu-+nu", 2, 2, 2, 2 },
- { "n+nu", 2, 0, 1, 0 },
- { "n+n-nu", 2, 3, 1, 1 },
- { "n+-nu", 2, 2, 1, 1 },
- { "n-nu", 0, 2, 0, 1 },
- { "n-n+nu", 3, 2, 1, 1 },
- { "n-+nu", 2, 2, 1, 1 },
- { "", 0, 0, 0, 0 } // sentinel, must be empty
+ plus_uni_index, minus_uni_index;
};
+
+static
+LaTeXLength table[] = {
+ { "nu", 0, 0, 0, 0 },
+ { "nu+nu", 2, 0, 2, 0 },
+ { "nu+nu-nu", 2, 3, 2, 3 },
+ { "nu+-nu", 2, 2, 2, 2 },
+ { "nu-nu", 0, 2, 0, 2 },
+ { "nu-nu+nu", 3, 2, 3, 2 },
+ { "nu-+nu", 2, 2, 2, 2 },
+ { "n+nu", 2, 0, 1, 0 },
+ { "n+n-nu", 2, 3, 1, 1 },
+ { "n+-nu", 2, 2, 1, 1 },
+ { "n-nu", 0, 2, 0, 1 },
+ { "n-n+nu", 3, 2, 1, 1 },
+ { "n-+nu", 2, 2, 1, 1 },
+ { "", 0, 0, 0, 0 } // sentinel, must be empty
+};
+
+
bool isValidGlueLength (string const & data, LyXGlueLength * result)
{
// This parser is table-driven. First, it constructs a "pattern"
// is zero, the corresponding array value is zero or UNIT_NONE,
// so we needn't check this.
if (result) {
- result->val = number[1] * val_sign;
- result->uni = unit[1];
- result->plus_val = number[table[table_index].plus_val_index];
- result->minus_val = number[table[table_index].minus_val_index];
- result->plus_uni = unit [table[table_index].plus_uni_index];
- result->minus_uni = unit [table[table_index].minus_uni_index];
+ result->val = number[1] * val_sign;
+ result->uni = unit[1];
+ result->plus_val = number[table[table_index].plus_val_index];
+ result->minus_val = number[table[table_index].minus_val_index];
+ result->plus_uni = unit [table[table_index].plus_uni_index];
+ result->minus_uni = unit [table[table_index].minus_uni_index];
}
return true;
}
// It _was_ a correct length string.
// Store away the values we found.
if (result) {
- result->val = number[1]*val_sign;
- result->uni = unit[1];
+ result->val = number[1] * val_sign;
+ result->uni = unit[1];
}
return true;
}
+
/// LyXLength class
LyXLength::LyXLength(string const & data)
}
}
-bool LyXLength::operator== (LyXLength const & other) const
-{
- return (val == other.val &&
- uni == other.uni);
-}
string LyXLength::asString() const
{
- char buffer[20];
-
- sprintf (buffer, "%g%s", val, unit_name[uni]);
- return string (buffer);
+#ifdef HAVE_SSTREAM
+ std::ostringstream buffer;
+ buffer << val << unit_name[uni]; // setw?
+ return buffer.str().c_str();
+#else
+ char tbuf[20];
+ ostrstream buffer(tbuf, 20);
+ buffer << val << unit_name[uni] << '\0'; // setw?
+ return buffer.str();
+#endif
}
}
-bool LyXGlueLength::operator== (LyXGlueLength const & other) const
-{
- return (val == other.val &&
- uni == other.uni &&
- plus_val == other.plus_val &&
- plus_uni == other.plus_uni &&
- minus_val == other.minus_val &&
- minus_uni == other.minus_uni);
-}
-
-
string LyXGlueLength::asString() const
{
- char buffer[20];
-
+#ifdef HAVE_SSTREAM
+ std::ostringstream buffer;
+#else
+ char tbuf[20];
+ ostrstream buffer(tbuf, 20);
+#endif
if (plus_val != 0.0)
if (minus_val != 0.0)
if ((uni == plus_uni) && (uni == minus_uni))
if (plus_val == minus_val)
- sprintf (buffer, "%g+-%g%s",
- val, plus_val, unit_name[uni]);
+ buffer << val << "+-"
+ << plus_val << unit_name[uni];
else
- sprintf (buffer, "%g+%g-%g%s",
- val, plus_val, minus_val,
- unit_name[uni]);
+ buffer << val
+ << '+' << plus_val
+ << '-' << minus_val
+ << unit_name[uni];
else
- if ((plus_uni == minus_uni) && (plus_val == minus_val))
- sprintf (buffer, "%g%s+-%g%s",
- val, unit_name[uni],
- plus_val, unit_name[plus_uni]);
+ if (plus_uni == minus_uni
+ && plus_val == minus_val)
+ buffer << val << unit_name[uni]
+ << "+-" << plus_val
+ << unit_name[plus_uni];
+
else
- sprintf (buffer, "%g%s+%g%s-%g%s",
- val, unit_name[uni],
- plus_val, unit_name[plus_uni],
- minus_val, unit_name[minus_uni]);
+ buffer << val << unit_name[uni]
+ << '+' << plus_val
+ << unit_name[plus_uni]
+ << '-' << minus_val
+ << unit_name[minus_uni];
else
if (uni == plus_uni)
- sprintf (buffer, "%g+%g%s",
- val, plus_val, unit_name[uni]);
+ buffer << val << '+' << plus_val
+ << unit_name[uni];
else
- sprintf (buffer, "%g%s+%g%s",
- val, unit_name[uni],
- plus_val, unit_name[plus_uni]);
+ buffer << val << unit_name[uni]
+ << '+' << plus_val
+ << unit_name[plus_uni];
+
else
if (minus_val != 0.0)
if (uni == minus_uni)
- sprintf (buffer, "%g-%g%s",
- val, minus_val, unit_name[uni]);
+ buffer << val << '-' << minus_val
+ << unit_name[uni];
+
else
- sprintf (buffer, "%g%s-%g%s",
- val, unit_name[uni],
- minus_val, unit_name[minus_uni]);
+ buffer << val << unit_name[uni]
+ << '-' << minus_val
+ << unit_name[minus_uni];
else
- sprintf (buffer, "%g%s", val, unit_name[uni]);
- return string (buffer);
+ buffer << val << unit_name[uni];
+#ifdef HAVE_SSTREAM
+ return buffer.str().c_str();
+#else
+ buffer << '\0';
+ return buffer.str();
+#endif
}
string LyXGlueLength::asLatexString() const
{
- char buffer[40];
+#ifdef HAVE_SSTREAM
+ std::ostringstream buffer;
+#else
+ char tbuf[40];
+ ostrstream buffer(tbuf, 40);
+#endif
if (plus_val != 0.0)
if (minus_val != 0.0)
- sprintf (buffer, "%g%s plus %g%s minus %g%s",
- val, unit_name[uni],
- plus_val, unit_name[plus_uni],
- minus_val, unit_name[minus_uni]);
+ buffer << val << unit_name[uni]
+ << " plus "
+ << plus_val << unit_name[plus_uni]
+ << " minus "
+ << minus_val << unit_name[minus_uni];
else
- sprintf (buffer, "%g%s plus %g%s",
- val, unit_name[uni],
- plus_val, unit_name[plus_uni]);
+ buffer << val << unit_name[uni]
+ << " plus "
+ << plus_val << unit_name[plus_uni];
else
if (minus_val != 0.0)
- sprintf (buffer, "%g%s minus %g%s",
- val, unit_name[uni],
- minus_val, unit_name[minus_uni]);
+ buffer << val << unit_name[uni]
+ << " minus "
+ << minus_val << unit_name[minus_uni];
else
- sprintf (buffer, "%g%s",
- val, unit_name[uni]);
- return string (buffer);
+ buffer << val << unit_name[uni];
+#ifdef HAVE_SSTREAM
+ return buffer.str().c_str();
+#else
+ buffer << '\0';
+ return buffer.str();
+#endif
}
}
-string VSpace::asLatexCommand() const
+string VSpace::asLatexCommand(BufferParams const & params) const
{
switch (kin) {
case NONE: return string();
case DEFSKIP:
- return current_view->buffer()->params.getDefSkip().asLatexCommand();
+ return params.getDefSkip().asLatexCommand(params);
case SMALLSKIP: return kp ? "\\vspace*{\\smallskipamount}"
- : "\\smallskip{}";
+ : "\\smallskip{}";
case MEDSKIP: return kp ? "\\vspace*{\\medskipamount}"
- : "\\medskip{}";
+ : "\\medskip{}";
case BIGSKIP: return kp ? "\\vspace*{\\bigskipamount}"
- : "\\bigskip{}";
+ : "\\bigskip{}";
case VFILL: return kp ? "\\vspace*{\\fill}"
- : "\\vfill{}";
+ : "\\vfill{}";
case LENGTH: return kp ? "\\vspace*{" + len.asLatexString() + '}'
- : "\\vspace{" + len.asLatexString() + '}';
+ : "\\vspace{" + len.asLatexString() + '}';
}
return string(); // should never be reached
}
-int VSpace::inPixels() const
+int VSpace::inPixels(BufferView * bv) const
{
// Height of a normal line in pixels (zoom factor considered)
- int height = current_view->buffer()->text->DefaultHeight(); // [pixels]
+ int height = bv->text->DefaultHeight(); // [pixels]
+ int skip = 0;
+ if (kin == DEFSKIP)
+ skip = bv->buffer()->params.getDefSkip().inPixels(bv);
+
+ return inPixels(height, skip);
+}
+int VSpace::inPixels(int default_height, int default_skip) const
+{
+ // Height of a normal line in pixels (zoom factor considered)
+ int height = default_height; // [pixels]
+
// Zoom factor specified by user in percent
- float const zoom = lyxrc->zoom / 100.0; // [percent]
+ float const zoom = lyxrc.zoom / 100.0; // [percent]
// DPI setting for monitor: pixels/inch
- float const dpi = lyxrc->dpi; // screen resolution [pixels/inch]
+ float const dpi = lyxrc.dpi; // screen resolution [pixels/inch]
// We want the result in pixels
float result, value;
case NONE: return 0;
case DEFSKIP:
- return current_view->buffer()->params.getDefSkip().inPixels();
+ return default_skip;
- // This is how the skips are normally defined by
- // LateX. But there should be some way to change
- // this per document.
- case SMALLSKIP: return height/4;
- case MEDSKIP: return height/2;
+ // This is how the skips are normally defined by
+ // LateX. But there should be some way to change
+ // this per document.
+ case SMALLSKIP: return height / 4;
+ case MEDSKIP: return height / 2;
case BIGSKIP: return height;
- case VFILL: return 3*height;
- // leave space for the vfill symbol
+ case VFILL: return 3 * height;
+ // leave space for the vfill symbol
case LENGTH:
// Pixel values are scaled so that the ratio
// between lengths and font sizes on the screen
case LyXLength::DD:
// Didot: 1157dd = 1238 pt?
result = zoom * dpi * value
- / (72.27/(0.376 * 2.845)); // 67.559735
+ / (72.27 / (0.376 * 2.845)); // 67.559735
break;
case LyXLength::MM:
// Millimeter: 1 mm = 1/25.4 inch
case LyXLength::PC:
// Pica: 1 pc = 12 pt
result = zoom * dpi * value
- / (72.27/12); // 6.0225
+ / (72.27 / 12); // 6.0225
break;
case LyXLength::CC:
// Cicero: 1 cc = 12 dd
result = zoom * dpi * value
- / (72.27/ (12*0.376*2.845)); // 5.6299779
+ / (72.27 / (12 * 0.376 * 2.845)); // 5.6299779
break;
case LyXLength::CM:
// Centimeter: 1 cm = 1/2.54 inch
result = zoom * value * height / 2; // Why 2?
break;
case LyXLength::MU: // This is probably only allowed in
- // math mode
+ // math mode
result = zoom * value * height;
break;
case LyXLength::UNIT_NONE: