#include <assert.h>
#include <stdlib.h>
#include <string.h>
+
#include <gtk/gtk.h>
+#if !GTK_CHECK_VERSION(3,0,0)
#include <gdk/gdkkeysyms.h>
-#include <gdk/gdkx.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xatom.h>
+#endif
+
+#define MAY_REFER_TO_GTK_IN_HEADERS
#include "putty.h"
#include "gtkfont.h"
+#include "gtkcompat.h"
+#include "gtkmisc.h"
#include "tree234.h"
+#ifndef NOT_X_WINDOWS
+#include <gdk/gdkx.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#endif
+
/*
* Future work:
*
* - it would be nice to have a display of the current font name,
* and in particular whether it's client- or server-side,
* during the progress of the font selector.
- *
- * - it would be nice if we could move the processing of
- * underline and VT100 double width into this module, so that
- * instead of using the ghastly pixmap-stretching technique
- * everywhere we could tell the Pango backend to scale its
- * fonts to double size properly and at full resolution.
- * However, this requires me to learn how to make Pango stretch
- * text to an arbitrary aspect ratio (for double-width only
- * text, which perversely is harder than DW+DH), and right now
- * I haven't the energy.
*/
#if !GLIB_CHECK_VERSION(1,3,7)
int bold, int shadowoffset, int shadowalways);
void (*destroy)(unifont *font);
int (*has_glyph)(unifont *font, wchar_t glyph);
- void (*draw_text)(GdkDrawable *target, GdkGC *gc, unifont *font,
- int x, int y, const wchar_t *string, int len, int wide,
- int bold, int cellwidth);
+ void (*draw_text)(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth);
+ void (*draw_combining)(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth);
void (*enum_fonts)(GtkWidget *widget,
fontsel_add_entry callback, void *callback_ctx);
char *(*canonify_fontname)(GtkWidget *widget, const char *name, int *size,
int *flags, int resolve_aliases);
char *(*scale_fontname)(GtkWidget *widget, const char *name, int size);
+ char *(*size_increment)(unifont *font, int increment);
/*
* `Static data members' of the `class'.
const char *prefix;
};
+#ifndef NOT_X_WINDOWS
+
/* ----------------------------------------------------------------------
- * X11 font implementation, directly using Xlib calls.
+ * X11 font implementation, directly using Xlib calls. Conditioned out
+ * if X11 fonts aren't available at all (e.g. building with GTK3 for a
+ * back end other than X).
*/
static int x11font_has_glyph(unifont *font, wchar_t glyph);
-static void x11font_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
- int x, int y, const wchar_t *string, int len,
- int wide, int bold, int cellwidth);
+static void x11font_draw_text(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth);
+static void x11font_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold, int cellwidth);
static unifont *x11font_create(GtkWidget *widget, const char *name,
int wide, int bold,
int shadowoffset, int shadowalways);
int resolve_aliases);
static char *x11font_scale_fontname(GtkWidget *widget, const char *name,
int size);
+static char *x11font_size_increment(unifont *font, int increment);
+
+#ifdef DRAW_TEXT_CAIRO
+struct cairo_cached_glyph {
+ cairo_surface_t *surface;
+ unsigned char *bitmap;
+};
+#endif
+
+/*
+ * Structure storing a single physical XFontStruct, plus associated
+ * data.
+ */
+typedef struct x11font_individual {
+ /* The XFontStruct itself. */
+ XFontStruct *xfs;
+
+ /*
+ * The `allocated' flag indicates whether we've tried to fetch
+ * this subfont already (thus distinguishing xfs==NULL because we
+ * haven't tried yet from xfs==NULL because we tried and failed,
+ * so that we don't keep trying and failing subsequently).
+ */
+ int allocated;
+
+#ifdef DRAW_TEXT_CAIRO
+ /*
+ * A cache of glyph bitmaps downloaded from the X server when
+ * we're in Cairo rendering mode. If glyphcache itself is
+ * non-NULL, then entries in [0,nglyphs) are expected to be
+ * initialised to either NULL or a bitmap pointer.
+ */
+ struct cairo_cached_glyph *glyphcache;
+ int nglyphs;
+
+ /*
+ * X server paraphernalia for actually downloading the glyphs.
+ */
+ Pixmap pixmap;
+ GC gc;
+ int pixwidth, pixheight, pixoriginx, pixoriginy;
+
+ /*
+ * Paraphernalia for loading the resulting bitmaps into Cairo.
+ */
+ int rowsize, allsize, indexflip;
+#endif
+
+} x11font_individual;
struct x11font {
struct unifont u;
/*
- * Actual font objects. We store a number of these, for
+ * Individual physical X fonts. We store a number of these, for
* automatically guessed bold and wide variants.
- *
- * The parallel array `allocated' indicates whether we've
- * tried to fetch a subfont already (thus distinguishing NULL
- * because we haven't tried yet from NULL because we tried and
- * failed, so that we don't keep trying and failing
- * subsequently).
*/
- XFontStruct *fonts[4];
- int allocated[4];
+ x11font_individual fonts[4];
/*
* `sixteen_bit' is true iff the font object is indexed by
* values larger than a byte. That is, this flag tells us
x11font_destroy,
x11font_has_glyph,
x11font_draw_text,
+ x11font_draw_combining,
x11font_enum_fonts,
x11font_canonify_fontname,
x11font_scale_fontname,
+ x11font_size_increment,
"server",
};
+#define XLFD_STRING_PARTS_LIST(S,I) \
+ S(foundry) \
+ S(family_name) \
+ S(weight_name) \
+ S(slant) \
+ S(setwidth_name) \
+ S(add_style_name) \
+ I(pixel_size) \
+ I(point_size) \
+ I(resolution_x) \
+ I(resolution_y) \
+ S(spacing) \
+ I(average_width) \
+ S(charset_registry) \
+ S(charset_encoding) \
+ /* end of list */
+
+/* Special value for int fields that xlfd_recompose will render as "*" */
+#define XLFD_INT_WILDCARD INT_MIN
+
+struct xlfd_decomposed {
+#define STR_FIELD(f) const char *f;
+#define INT_FIELD(f) int f;
+ XLFD_STRING_PARTS_LIST(STR_FIELD, INT_FIELD)
+#undef STR_FIELD
+#undef INT_FIELD
+};
+
+static struct xlfd_decomposed *xlfd_decompose(const char *xlfd)
+{
+ void *mem;
+ char *p, *components[14];
+ struct xlfd_decomposed *dec;
+ int i;
+
+ if (!xlfd)
+ return NULL;
+
+ mem = smalloc(sizeof(struct xlfd_decomposed) + strlen(xlfd) + 1);
+ p = ((char *)mem) + sizeof(struct xlfd_decomposed);
+ strcpy(p, xlfd);
+ dec = (struct xlfd_decomposed *)mem;
+
+ for (i = 0; i < 14; i++) {
+ if (*p != '-') {
+ /* Malformed XLFD: not enough '-' */
+ sfree(mem);
+ return NULL;
+ }
+ *p++ = '\0';
+ components[i] = p;
+ p += strcspn(p, "-");
+ }
+ if (*p) {
+ /* Malformed XLFD: too many '-' */
+ sfree(mem);
+ return NULL;
+ }
+
+ i = 0;
+#define STORE_STR(f) dec->f = components[i++];
+#define STORE_INT(f) dec->f = atoi(components[i++]);
+ XLFD_STRING_PARTS_LIST(STORE_STR, STORE_INT)
+#undef STORE_STR
+#undef STORE_INT
+
+ return dec;
+}
+
+static char *xlfd_recompose(const struct xlfd_decomposed *dec)
+{
+#define FMT_STR(f) "-%s"
+#define ARG_STR(f) , dec->f
+#define FMT_INT(f) "%s%.*d"
+#define ARG_INT(f) \
+ , dec->f == XLFD_INT_WILDCARD ? "-*" : "-" \
+ , dec->f == XLFD_INT_WILDCARD ? 0 : 1 \
+ , dec->f == XLFD_INT_WILDCARD ? 0 : dec->f
+ return dupprintf(XLFD_STRING_PARTS_LIST(FMT_STR, FMT_INT)
+ XLFD_STRING_PARTS_LIST(ARG_STR, ARG_INT));
+#undef FMT_STR
+#undef ARG_STR
+#undef FMT_INT
+#undef ARG_INT
+}
+
static char *x11_guess_derived_font_name(XFontStruct *xfs, int bold, int wide)
{
- Display *disp = GDK_DISPLAY();
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
Atom fontprop = XInternAtom(disp, "FONT", False);
unsigned long ret;
if (XGetFontProperty(xfs, fontprop, &ret)) {
char *name = XGetAtomName(disp, (Atom)ret);
- if (name && name[0] == '-') {
- char *strings[13];
- char *dupname, *extrafree = NULL, *ret;
- char *p, *q;
- int nstr;
-
- p = q = dupname = dupstr(name); /* skip initial minus */
- nstr = 0;
-
- while (*p && nstr < lenof(strings)) {
- if (*p == '-') {
- *p = '\0';
- strings[nstr++] = p+1;
- }
- p++;
- }
+ struct xlfd_decomposed *xlfd = xlfd_decompose(name);
+ if (!xlfd)
+ return NULL;
- if (nstr < lenof(strings))
- return NULL; /* XLFD was malformed */
+ if (bold)
+ xlfd->weight_name = "bold";
- if (bold)
- strings[2] = "bold";
+ if (wide) {
+ /* Width name obviously may have changed. */
+ /* Additional style may now become e.g. `ja' or `ko'. */
+ xlfd->setwidth_name = xlfd->add_style_name = "*";
- if (wide) {
- /* 4 is `wideness', which obviously may have changed. */
- /* 5 is additional style, which may be e.g. `ja' or `ko'. */
- strings[4] = strings[5] = "*";
- strings[11] = extrafree = dupprintf("%d", 2*atoi(strings[11]));
- }
-
- ret = dupcat("-", strings[ 0], "-", strings[ 1], "-", strings[ 2],
- "-", strings[ 3], "-", strings[ 4], "-", strings[ 5],
- "-", strings[ 6], "-", strings[ 7], "-", strings[ 8],
- "-", strings[ 9], "-", strings[10], "-", strings[11],
- "-", strings[12], NULL);
- sfree(extrafree);
- sfree(dupname);
+ /* Expect to double the average width. */
+ xlfd->average_width *= 2;
+ }
- return ret;
- }
+ {
+ char *ret = xlfd_recompose(xlfd);
+ sfree(xlfd);
+ return ret;
+ }
}
return NULL;
}
}
}
-static int x11_font_has_glyph(XFontStruct *xfs, int byte1, int byte2)
+static const XCharStruct *x11_char_struct(
+ XFontStruct *xfs, unsigned char byte1, unsigned char byte2)
{
int index;
/*
- * Not to be confused with x11font_has_glyph, which is a method of
- * the x11font 'class' and hence takes a unifont as argument. This
- * is the low-level function which grubs about in an actual
- * XFontStruct to see if a given glyph exists.
- *
- * We must do this ourselves rather than letting Xlib's
- * XTextExtents16 do the job, because XTextExtents will helpfully
- * substitute the font's default_char for any missing glyph and
- * not tell us it did so, which precisely won't help us find out
- * which glyphs _are_ missing.
- *
* The man page for XQueryFont is rather confusing about how the
* per_char array in the XFontStruct is laid out, because it gives
* formulae for determining the two-byte X character code _from_
}
if (!xfs->per_char) /* per_char NULL => everything in range exists */
- return TRUE;
+ return &xfs->max_bounds;
- return (xfs->per_char[index].ascent + xfs->per_char[index].descent > 0 ||
- xfs->per_char[index].width > 0);
+ return &xfs->per_char[index];
+}
+
+static int x11_font_has_glyph(
+ XFontStruct *xfs, unsigned char byte1, unsigned char byte2)
+{
+ /*
+ * Not to be confused with x11font_has_glyph, which is a method of
+ * the x11font 'class' and hence takes a unifont as argument. This
+ * is the low-level function which grubs about in an actual
+ * XFontStruct to see if a given glyph exists.
+ *
+ * We must do this ourselves rather than letting Xlib's
+ * XTextExtents16 do the job, because XTextExtents will helpfully
+ * substitute the font's default_char for any missing glyph and
+ * not tell us it did so, which precisely won't help us find out
+ * which glyphs _are_ missing.
+ */
+ const XCharStruct *xcs = x11_char_struct(xfs, byte1, byte2);
+ return xcs && (xcs->ascent + xcs->descent > 0 || xcs->width > 0);
}
static unifont *x11font_create(GtkWidget *widget, const char *name,
{
struct x11font *xfont;
XFontStruct *xfs;
- Display *disp = GDK_DISPLAY();
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
Atom charset_registry, charset_encoding, spacing;
unsigned long registry_ret, encoding_ret, spacing_ret;
int pubcs, realcs, sixteen_bit, variable;
xfont->u.height = xfont->u.ascent + xfont->u.descent;
xfont->u.public_charset = pubcs;
xfont->u.want_fallback = TRUE;
+#ifdef DRAW_TEXT_GDK
+ xfont->u.preferred_drawtype = DRAWTYPE_GDK;
+#elif defined DRAW_TEXT_CAIRO
+ xfont->u.preferred_drawtype = DRAWTYPE_CAIRO;
+#else
+#error No drawtype available at all
+#endif
xfont->real_charset = realcs;
- xfont->fonts[0] = xfs;
- xfont->allocated[0] = TRUE;
xfont->sixteen_bit = sixteen_bit;
xfont->variable = variable;
xfont->wide = wide;
xfont->shadowoffset = shadowoffset;
xfont->shadowalways = shadowalways;
- for (i = 1; i < lenof(xfont->fonts); i++) {
- xfont->fonts[i] = NULL;
- xfont->allocated[i] = FALSE;
+ for (i = 0; i < lenof(xfont->fonts); i++) {
+ xfont->fonts[i].xfs = NULL;
+ xfont->fonts[i].allocated = FALSE;
+#ifdef DRAW_TEXT_CAIRO
+ xfont->fonts[i].glyphcache = NULL;
+ xfont->fonts[i].nglyphs = 0;
+ xfont->fonts[i].pixmap = None;
+ xfont->fonts[i].gc = None;
+#endif
}
+ xfont->fonts[0].xfs = xfs;
+ xfont->fonts[0].allocated = TRUE;
return (unifont *)xfont;
}
static void x11font_destroy(unifont *font)
{
- Display *disp = GDK_DISPLAY();
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
struct x11font *xfont = (struct x11font *)font;
int i;
- for (i = 0; i < lenof(xfont->fonts); i++)
- if (xfont->fonts[i])
- XFreeFont(disp, xfont->fonts[i]);
+ for (i = 0; i < lenof(xfont->fonts); i++) {
+ if (xfont->fonts[i].xfs)
+ XFreeFont(disp, xfont->fonts[i].xfs);
+#ifdef DRAW_TEXT_CAIRO
+ if (xfont->fonts[i].gc != None)
+ XFreeGC(disp, xfont->fonts[i].gc);
+ if (xfont->fonts[i].pixmap != None)
+ XFreePixmap(disp, xfont->fonts[i].pixmap);
+ if (xfont->fonts[i].glyphcache) {
+ int j;
+ for (j = 0; j < xfont->fonts[i].nglyphs; j++) {
+ cairo_surface_destroy(xfont->fonts[i].glyphcache[j].surface);
+ sfree(xfont->fonts[i].glyphcache[j].bitmap);
+ }
+ sfree(xfont->fonts[i].glyphcache);
+ }
+#endif
+ }
sfree(font);
}
static void x11_alloc_subfont(struct x11font *xfont, int sfid)
{
- Display *disp = GDK_DISPLAY();
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
char *derived_name = x11_guess_derived_font_name
- (xfont->fonts[0], sfid & 1, !!(sfid & 2));
- xfont->fonts[sfid] = XLoadQueryFont(disp, derived_name);
- xfont->allocated[sfid] = TRUE;
+ (xfont->fonts[0].xfs, sfid & 1, !!(sfid & 2));
+ xfont->fonts[sfid].xfs = XLoadQueryFont(disp, derived_name);
+ xfont->fonts[sfid].allocated = TRUE;
sfree(derived_name);
- /* Note that xfont->fonts[sfid] may still be NULL, if XLQF failed. */
+ /* Note that xfont->fonts[sfid].xfs may still be NULL, if XLQF failed. */
}
static int x11font_has_glyph(unifont *font, wchar_t glyph)
* This X font has 16-bit character indices, which means
* we can directly use our Unicode input value.
*/
- return x11_font_has_glyph(xfont->fonts[0], glyph >> 8, glyph & 0xFF);
+ return x11_font_has_glyph(xfont->fonts[0].xfs,
+ glyph >> 8, glyph & 0xFF);
} else {
/*
* This X font has 8-bit indices, so we must convert to the
if (sblen == 0 || !sbstring[0])
return FALSE; /* not even in the charset */
- return x11_font_has_glyph(xfont->fonts[0], 0,
+ return x11_font_has_glyph(xfont->fonts[0].xfs, 0,
(unsigned char)sbstring[0]);
}
}
#if !GTK_CHECK_VERSION(2,0,0)
#define GDK_DRAWABLE_XID(d) GDK_WINDOW_XWINDOW(d) /* GTK1's name for this */
+#elif GTK_CHECK_VERSION(3,0,0)
+#define GDK_DRAWABLE_XID(d) GDK_WINDOW_XID(d) /* GTK3's name for this */
+#endif
+
+static int x11font_width_16(unifont_drawctx *ctx, x11font_individual *xfi,
+ const void *vstring, int start, int length)
+{
+ const XChar2b *string = (const XChar2b *)vstring;
+ return XTextWidth16(xfi->xfs, string+start, length);
+}
+
+static int x11font_width_8(unifont_drawctx *ctx, x11font_individual *xfi,
+ const void *vstring, int start, int length)
+{
+ const char *string = (const char *)vstring;
+ return XTextWidth(xfi->xfs, string+start, length);
+}
+
+#ifdef DRAW_TEXT_GDK
+static void x11font_gdk_setup(unifont_drawctx *ctx, x11font_individual *xfi)
+{
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ XSetFont(disp, GDK_GC_XGC(ctx->u.gdk.gc), xfi->xfs->fid);
+}
+
+static void x11font_gdk_draw_16(unifont_drawctx *ctx,
+ x11font_individual *xfi, int x, int y,
+ const void *vstring, int start, int length)
+{
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ const XChar2b *string = (const XChar2b *)vstring;
+ XDrawString16(disp, GDK_DRAWABLE_XID(ctx->u.gdk.target),
+ GDK_GC_XGC(ctx->u.gdk.gc), x, y, string+start, length);
+}
+
+static void x11font_gdk_draw_8(unifont_drawctx *ctx,
+ x11font_individual *xfi, int x, int y,
+ const void *vstring, int start, int length)
+{
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ const char *string = (const char *)vstring;
+ XDrawString(disp, GDK_DRAWABLE_XID(ctx->u.gdk.target),
+ GDK_GC_XGC(ctx->u.gdk.gc), x, y, string+start, length);
+}
#endif
-static void x11font_really_draw_text_16(GdkDrawable *target, XFontStruct *xfs,
- GC gc, int x, int y,
- const XChar2b *string, int nchars,
- int shadowoffset,
- int fontvariable, int cellwidth)
+#ifdef DRAW_TEXT_CAIRO
+static void x11font_cairo_setup(unifont_drawctx *ctx, x11font_individual *xfi)
{
- Display *disp = GDK_DISPLAY();
- int step, nsteps, centre;
+ if (xfi->pixmap == None) {
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ XGCValues gcvals;
+ GdkWindow *widgetwin = gtk_widget_get_window(ctx->u.cairo.widget);
+ int widgetscr = GDK_SCREEN_XNUMBER(gdk_window_get_screen(widgetwin));
+
+ xfi->pixwidth =
+ xfi->xfs->max_bounds.rbearing - xfi->xfs->min_bounds.lbearing;
+ xfi->pixheight =
+ xfi->xfs->max_bounds.ascent + xfi->xfs->max_bounds.descent;
+ xfi->pixoriginx = -xfi->xfs->min_bounds.lbearing;
+ xfi->pixoriginy = xfi->xfs->max_bounds.ascent;
+
+ xfi->rowsize = cairo_format_stride_for_width(CAIRO_FORMAT_A1,
+ xfi->pixwidth);
+ xfi->allsize = xfi->rowsize * xfi->pixheight;
+
+ {
+ /*
+ * Test host endianness and use it to set xfi->indexflip,
+ * which is XORed into our left-shift counts in order to
+ * implement the CAIRO_FORMAT_A1 specification, in which
+ * each bitmap byte is oriented LSB-first on little-endian
+ * platforms and MSB-first on big-endian ones.
+ *
+ * This is the same technique Cairo itself uses to test
+ * endianness, so hopefully it'll work in any situation
+ * where Cairo is usable at all.
+ */
+ static const int endianness_test = 1;
+ xfi->indexflip = (*((char *) &endianness_test) == 1) ? 0 : 7;
+ }
- if (fontvariable) {
- /*
- * In a variable-pitch font, we draw one character at a
- * time, and centre it in the character cell.
- */
- step = 1;
- nsteps = nchars;
- centre = TRUE;
- } else {
- /*
- * In a fixed-pitch font, we can draw the whole lot in one go.
- */
- step = nchars;
- nsteps = 1;
- centre = FALSE;
+ xfi->pixmap = XCreatePixmap
+ (disp,
+ GDK_DRAWABLE_XID(gtk_widget_get_window(ctx->u.cairo.widget)),
+ xfi->pixwidth, xfi->pixheight, 1);
+ gcvals.foreground = WhitePixel(disp, widgetscr);
+ gcvals.background = BlackPixel(disp, widgetscr);
+ gcvals.font = xfi->xfs->fid;
+ xfi->gc = XCreateGC(disp, xfi->pixmap,
+ GCForeground | GCBackground | GCFont, &gcvals);
}
+}
- while (nsteps-- > 0) {
- int X = x;
- if (centre)
- X += (cellwidth - XTextWidth16(xfs, string, step)) / 2;
+static void x11font_cairo_cache_glyph(x11font_individual *xfi, int glyphindex)
+{
+ XImage *image;
+ int x, y;
+ unsigned char *bitmap;
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ const XCharStruct *xcs = x11_char_struct(xfi->xfs, glyphindex >> 8,
+ glyphindex & 0xFF);
+
+ bitmap = snewn(xfi->allsize, unsigned char);
+ memset(bitmap, 0, xfi->allsize);
+
+ image = XGetImage(disp, xfi->pixmap, 0, 0,
+ xfi->pixwidth, xfi->pixheight, AllPlanes, XYPixmap);
+ for (y = xfi->pixoriginy - xcs->ascent;
+ y < xfi->pixoriginy + xcs->descent; y++) {
+ for (x = xfi->pixoriginx + xcs->lbearing;
+ x < xfi->pixoriginx + xcs->rbearing; x++) {
+ unsigned long pixel = XGetPixel(image, x, y);
+ if (pixel) {
+ int byteindex = y * xfi->rowsize + x/8;
+ int bitindex = (x & 7) ^ xfi->indexflip;
+ bitmap[byteindex] |= 1U << bitindex;
+ }
+ }
+ }
+ XDestroyImage(image);
+
+ if (xfi->nglyphs <= glyphindex) {
+ /* Round up to the next multiple of 256 on the general
+ * principle that Unicode characters come in contiguous blocks
+ * often used together */
+ int old_nglyphs = xfi->nglyphs;
+ xfi->nglyphs = (glyphindex + 0x100) & ~0xFF;
+ xfi->glyphcache = sresize(xfi->glyphcache, xfi->nglyphs,
+ struct cairo_cached_glyph);
+
+ while (old_nglyphs < xfi->nglyphs) {
+ xfi->glyphcache[old_nglyphs].surface = NULL;
+ xfi->glyphcache[old_nglyphs].bitmap = NULL;
+ old_nglyphs++;
+ }
+ }
+ xfi->glyphcache[glyphindex].bitmap = bitmap;
+ xfi->glyphcache[glyphindex].surface = cairo_image_surface_create_for_data
+ (bitmap, CAIRO_FORMAT_A1, xfi->pixwidth, xfi->pixheight, xfi->rowsize);
+}
- XDrawString16(disp, GDK_DRAWABLE_XID(target), gc,
- X, y, string, step);
- if (shadowoffset)
- XDrawString16(disp, GDK_DRAWABLE_XID(target), gc,
- X + shadowoffset, y, string, step);
+static void x11font_cairo_draw_glyph(unifont_drawctx *ctx,
+ x11font_individual *xfi, int x, int y,
+ int glyphindex)
+{
+ if (xfi->glyphcache[glyphindex].surface) {
+ cairo_mask_surface(ctx->u.cairo.cr,
+ xfi->glyphcache[glyphindex].surface,
+ x - xfi->pixoriginx, y - xfi->pixoriginy);
+ }
+}
- x += cellwidth;
- string += step;
+static void x11font_cairo_draw_16(unifont_drawctx *ctx,
+ x11font_individual *xfi, int x, int y,
+ const void *vstring, int start, int length)
+{
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ const XChar2b *string = (const XChar2b *)vstring + start;
+ int i;
+ for (i = 0; i < length; i++) {
+ if (x11_font_has_glyph(xfi->xfs, string[i].byte1, string[i].byte2)) {
+ int glyphindex = (256 * (unsigned char)string[i].byte1 +
+ (unsigned char)string[i].byte2);
+ if (glyphindex >= xfi->nglyphs ||
+ !xfi->glyphcache[glyphindex].surface) {
+ XDrawImageString16(disp, xfi->pixmap, xfi->gc,
+ xfi->pixoriginx, xfi->pixoriginy,
+ string+i, 1);
+ x11font_cairo_cache_glyph(xfi, glyphindex);
+ }
+ x11font_cairo_draw_glyph(ctx, xfi, x, y, glyphindex);
+ x += XTextWidth16(xfi->xfs, string+i, 1);
+ }
}
}
-static void x11font_really_draw_text(GdkDrawable *target, XFontStruct *xfs,
- GC gc, int x, int y,
- const char *string, int nchars,
+static void x11font_cairo_draw_8(unifont_drawctx *ctx,
+ x11font_individual *xfi, int x, int y,
+ const void *vstring, int start, int length)
+{
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ const char *string = (const char *)vstring + start;
+ int i;
+ for (i = 0; i < length; i++) {
+ if (x11_font_has_glyph(xfi->xfs, 0, string[i])) {
+ int glyphindex = (unsigned char)string[i];
+ if (glyphindex >= xfi->nglyphs ||
+ !xfi->glyphcache[glyphindex].surface) {
+ XDrawImageString(disp, xfi->pixmap, xfi->gc,
+ xfi->pixoriginx, xfi->pixoriginy,
+ string+i, 1);
+ x11font_cairo_cache_glyph(xfi, glyphindex);
+ }
+ x11font_cairo_draw_glyph(ctx, xfi, x, y, glyphindex);
+ x += XTextWidth(xfi->xfs, string+i, 1);
+ }
+ }
+}
+#endif /* DRAW_TEXT_CAIRO */
+
+struct x11font_drawfuncs {
+ int (*width)(unifont_drawctx *ctx, x11font_individual *xfi,
+ const void *vstring, int start, int length);
+ void (*setup)(unifont_drawctx *ctx, x11font_individual *xfi);
+ void (*draw)(unifont_drawctx *ctx, x11font_individual *xfi, int x, int y,
+ const void *vstring, int start, int length);
+};
+
+/*
+ * This array has two entries per compiled-in drawtype; of each pair,
+ * the first is for an 8-bit font and the second for 16-bit.
+ */
+static const struct x11font_drawfuncs x11font_drawfuncs[2*DRAWTYPE_NTYPES] = {
+#ifdef DRAW_TEXT_GDK
+ /* gdk, 8-bit */
+ {
+ x11font_width_8,
+ x11font_gdk_setup,
+ x11font_gdk_draw_8,
+ },
+ /* gdk, 16-bit */
+ {
+ x11font_width_16,
+ x11font_gdk_setup,
+ x11font_gdk_draw_16,
+ },
+#endif
+#ifdef DRAW_TEXT_CAIRO
+ /* cairo, 8-bit */
+ {
+ x11font_width_8,
+ x11font_cairo_setup,
+ x11font_cairo_draw_8,
+ },
+ /* [3] cairo, 16-bit */
+ {
+ x11font_width_16,
+ x11font_cairo_setup,
+ x11font_cairo_draw_16,
+ },
+#endif
+};
+
+static void x11font_really_draw_text(const struct x11font_drawfuncs *dfns,
+ unifont_drawctx *ctx,
+ x11font_individual *xfi, int x, int y,
+ const void *string, int nchars,
int shadowoffset,
int fontvariable, int cellwidth)
{
- Display *disp = GDK_DISPLAY();
- int step, nsteps, centre;
+ int start = 0, step, nsteps, centre;
if (fontvariable) {
/*
centre = FALSE;
}
+ dfns->setup(ctx, xfi);
+
while (nsteps-- > 0) {
int X = x;
if (centre)
- X += (cellwidth - XTextWidth(xfs, string, step)) / 2;
+ X += (cellwidth - dfns->width(ctx, xfi, string, start, step)) / 2;
- XDrawString(disp, GDK_DRAWABLE_XID(target), gc,
- X, y, string, step);
+ dfns->draw(ctx, xfi, X, y, string, start, step);
if (shadowoffset)
- XDrawString(disp, GDK_DRAWABLE_XID(target), gc,
- X + shadowoffset, y, string, step);
+ dfns->draw(ctx, xfi, X + shadowoffset, y, string, start, step);
x += cellwidth;
- string += step;
+ start += step;
}
}
-static void x11font_draw_text(GdkDrawable *target, GdkGC *gdkgc, unifont *font,
+static void x11font_draw_text(unifont_drawctx *ctx, unifont *font,
int x, int y, const wchar_t *string, int len,
int wide, int bold, int cellwidth)
{
- Display *disp = GDK_DISPLAY();
struct x11font *xfont = (struct x11font *)font;
- GC gc = GDK_GC_XGC(gdkgc);
int sfid;
int shadowoffset = 0;
int mult = (wide ? 2 : 1);
+ int index = 2 * (int)ctx->type;
wide -= xfont->wide;
bold -= xfont->bold;
bold = 0;
}
sfid = 2 * wide + bold;
- if (!xfont->allocated[sfid])
+ if (!xfont->fonts[sfid].allocated)
x11_alloc_subfont(xfont, sfid);
- if (bold && !xfont->fonts[sfid]) {
+ if (bold && !xfont->fonts[sfid].xfs) {
bold = 0;
shadowoffset = xfont->shadowoffset;
sfid = 2 * wide + bold;
- if (!xfont->allocated[sfid])
+ if (!xfont->fonts[sfid].allocated)
x11_alloc_subfont(xfont, sfid);
}
- if (!xfont->fonts[sfid])
+ if (!xfont->fonts[sfid].xfs)
return; /* we've tried our best, but no luck */
- XSetFont(disp, gc, xfont->fonts[sfid]->fid);
-
if (xfont->sixteen_bit) {
/*
* This X font has 16-bit character indices, which means
xcs[i].byte2 = string[i];
}
- x11font_really_draw_text_16(target, xfont->fonts[sfid], gc, x, y,
- xcs, len, shadowoffset,
- xfont->variable, cellwidth * mult);
+ x11font_really_draw_text(x11font_drawfuncs + index + 1, ctx,
+ &xfont->fonts[sfid], x, y,
+ xcs, len, shadowoffset,
+ xfont->variable, cellwidth * mult);
sfree(xcs);
} else {
/*
char *sbstring = snewn(len+1, char);
int sblen = wc_to_mb(xfont->real_charset, 0, string, len,
sbstring, len+1, ".", NULL, NULL);
- x11font_really_draw_text(target, xfont->fonts[sfid], gc, x, y,
+ x11font_really_draw_text(x11font_drawfuncs + index + 0, ctx,
+ &xfont->fonts[sfid], x, y,
sbstring, sblen, shadowoffset,
xfont->variable, cellwidth * mult);
sfree(sbstring);
}
}
+static void x11font_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold, int cellwidth)
+{
+ /*
+ * For server-side fonts, there's no sophisticated system for
+ * combining characters intelligently, so the best we can do is to
+ * overprint them on each other in the obvious way.
+ */
+ int i;
+ for (i = 0; i < len; i++)
+ x11font_draw_text(ctx, font, x, y, string+i, 1, wide, bold, cellwidth);
+}
+
static void x11font_enum_fonts(GtkWidget *widget,
fontsel_add_entry callback, void *callback_ctx)
{
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
char **fontnames;
char *tmp = NULL;
int nnames, i, max, tmpsize;
max = 32768;
while (1) {
- fontnames = XListFonts(GDK_DISPLAY(), "*", max, &nnames);
+ fontnames = XListFonts(disp, "*", max, &nnames);
if (nnames >= max) {
XFreeFontNames(fontnames);
max *= 2;
tmpsize = 0;
for (i = 0; i < nnames; i++) {
- if (fontnames[i][0] == '-') {
+ struct xlfd_decomposed *xlfd = xlfd_decompose(fontnames[i]);
+ if (xlfd) {
+ char *p, *font, *style, *stylekey, *charset;
+ int weightkey, slantkey, setwidthkey;
+ int thistmpsize;
+
/*
- * Dismember an XLFD and convert it into the format
- * we'll be using in the font selector.
+ * Convert a dismembered XLFD into the format we'll be
+ * using in the font selector.
*/
- char *components[14];
- char *p, *font, *style, *stylekey, *charset;
- int j, weightkey, slantkey, setwidthkey;
- int thistmpsize, fontsize, flags;
-
- thistmpsize = 4 * strlen(fontnames[i]) + 256;
- if (tmpsize < thistmpsize) {
- tmpsize = thistmpsize;
- tmp = sresize(tmp, tmpsize, char);
- }
- strcpy(tmp, fontnames[i]);
+ thistmpsize = 4 * strlen(fontnames[i]) + 256;
+ if (tmpsize < thistmpsize) {
+ tmpsize = thistmpsize;
+ tmp = sresize(tmp, tmpsize, char);
+ }
p = tmp;
- for (j = 0; j < 14; j++) {
- if (*p)
- *p++ = '\0';
- components[j] = p;
- while (*p && *p != '-')
- p++;
- }
- *p++ = '\0';
/*
- * Font name is made up of fields 0 and 1, in reverse
- * order with parentheses. (This is what the GTK 1.2 X
- * font selector does, and it seems to come out
- * looking reasonably sensible.)
+ * Font name is in the form "family (foundry)". (This is
+ * what the GTK 1.2 X font selector does, and it seems to
+ * come out looking reasonably sensible.)
*/
font = p;
- p += 1 + sprintf(p, "%s (%s)", components[1], components[0]);
+ p += 1 + sprintf(p, "%s (%s)", xlfd->family_name, xlfd->foundry);
/*
- * Charset is made up of fields 12 and 13.
+ * Character set.
*/
charset = p;
- p += 1 + sprintf(p, "%s-%s", components[12], components[13]);
+ p += 1 + sprintf(p, "%s-%s", xlfd->charset_registry,
+ xlfd->charset_encoding);
/*
* Style is a mixture of quite a lot of the fields,
* with some strange formatting.
*/
style = p;
- p += sprintf(p, "%s", components[2][0] ? components[2] :
+ p += sprintf(p, "%s", xlfd->weight_name[0] ? xlfd->weight_name :
"regular");
- if (!g_ascii_strcasecmp(components[3], "i"))
+ if (!g_ascii_strcasecmp(xlfd->slant, "i"))
p += sprintf(p, " italic");
- else if (!g_ascii_strcasecmp(components[3], "o"))
+ else if (!g_ascii_strcasecmp(xlfd->slant, "o"))
p += sprintf(p, " oblique");
- else if (!g_ascii_strcasecmp(components[3], "ri"))
+ else if (!g_ascii_strcasecmp(xlfd->slant, "ri"))
p += sprintf(p, " reverse italic");
- else if (!g_ascii_strcasecmp(components[3], "ro"))
+ else if (!g_ascii_strcasecmp(xlfd->slant, "ro"))
p += sprintf(p, " reverse oblique");
- else if (!g_ascii_strcasecmp(components[3], "ot"))
+ else if (!g_ascii_strcasecmp(xlfd->slant, "ot"))
p += sprintf(p, " other-slant");
- if (components[4][0] && g_ascii_strcasecmp(components[4], "normal"))
- p += sprintf(p, " %s", components[4]);
- if (!g_ascii_strcasecmp(components[10], "m"))
+ if (xlfd->setwidth_name[0] &&
+ g_ascii_strcasecmp(xlfd->setwidth_name, "normal"))
+ p += sprintf(p, " %s", xlfd->setwidth_name);
+ if (!g_ascii_strcasecmp(xlfd->spacing, "m"))
p += sprintf(p, " [M]");
- if (!g_ascii_strcasecmp(components[10], "c"))
+ if (!g_ascii_strcasecmp(xlfd->spacing, "c"))
p += sprintf(p, " [C]");
- if (components[5][0])
- p += sprintf(p, " %s", components[5]);
+ if (xlfd->add_style_name[0])
+ p += sprintf(p, " %s", xlfd->add_style_name);
/*
* Style key is the same stuff as above, but with a
*/
p++;
stylekey = p;
- if (!g_ascii_strcasecmp(components[2], "medium") ||
- !g_ascii_strcasecmp(components[2], "regular") ||
- !g_ascii_strcasecmp(components[2], "normal") ||
- !g_ascii_strcasecmp(components[2], "book"))
+ if (!g_ascii_strcasecmp(xlfd->weight_name, "medium") ||
+ !g_ascii_strcasecmp(xlfd->weight_name, "regular") ||
+ !g_ascii_strcasecmp(xlfd->weight_name, "normal") ||
+ !g_ascii_strcasecmp(xlfd->weight_name, "book"))
weightkey = 0;
- else if (!g_ascii_strncasecmp(components[2], "demi", 4) ||
- !g_ascii_strncasecmp(components[2], "semi", 4))
+ else if (!g_ascii_strncasecmp(xlfd->weight_name, "demi", 4) ||
+ !g_ascii_strncasecmp(xlfd->weight_name, "semi", 4))
weightkey = 1;
else
weightkey = 2;
- if (!g_ascii_strcasecmp(components[3], "r"))
+ if (!g_ascii_strcasecmp(xlfd->slant, "r"))
slantkey = 0;
- else if (!g_ascii_strncasecmp(components[3], "r", 1))
+ else if (!g_ascii_strncasecmp(xlfd->slant, "r", 1))
slantkey = 2;
else
slantkey = 1;
- if (!g_ascii_strcasecmp(components[4], "normal"))
+ if (!g_ascii_strcasecmp(xlfd->setwidth_name, "normal"))
setwidthkey = 0;
else
setwidthkey = 1;
- p += sprintf(p, "%04d%04d%s%04d%04d%s%04d%04d%s%04d%s%04d%s",
- weightkey,
- (int)strlen(components[2]), components[2],
- slantkey,
- (int)strlen(components[3]), components[3],
- setwidthkey,
- (int)strlen(components[4]), components[4],
- (int)strlen(components[10]), components[10],
- (int)strlen(components[5]), components[5]);
+ p += sprintf(
+ p, "%04d%04d%s%04d%04d%s%04d%04d%s%04d%s%04d%s",
+ weightkey, (int)strlen(xlfd->weight_name), xlfd->weight_name,
+ slantkey, (int)strlen(xlfd->slant), xlfd->slant,
+ setwidthkey,
+ (int)strlen(xlfd->setwidth_name), xlfd->setwidth_name,
+ (int)strlen(xlfd->spacing), xlfd->spacing,
+ (int)strlen(xlfd->add_style_name), xlfd->add_style_name);
assert(p - tmp < thistmpsize);
- /*
- * Size is in pixels, for our application, so we
- * derive it directly from the pixel size field,
- * number 6.
- */
- fontsize = atoi(components[6]);
-
/*
* Flags: we need to know whether this is a monospaced
* font, which we do by examining the spacing field
* again.
*/
flags = FONTFLAG_SERVERSIDE;
- if (!strchr("CcMm", components[10][0]))
+ if (!strchr("CcMm", xlfd->spacing[0]))
flags |= FONTFLAG_NONMONOSPACED;
/*
- * Not sure why, but sometimes the X server will
- * deliver dummy font types in which fontsize comes
- * out as zero. Filter those out.
+ * Some fonts have a pixel size of zero, meaning they're
+ * treated as scalable. For these purposes, we only want
+ * fonts whose pixel size we actually know, so filter
+ * those out.
*/
- if (fontsize)
- callback(callback_ctx, fontnames[i], font, charset,
- style, stylekey, fontsize, flags, &x11font_vtable);
+ if (xlfd->pixel_size)
+ callback(callback_ctx, fontnames[i], font, charset,
+ style, stylekey, xlfd->pixel_size, flags,
+ &x11font_vtable);
+
+ sfree(xlfd);
} else {
/*
* This isn't an XLFD, so it must be an alias.
*/
callback(callback_ctx, fontnames[i], fontnames[i], NULL,
NULL, NULL, 0, FONTFLAG_SERVERALIAS, &x11font_vtable);
+
+ sfree(xlfd);
}
}
XFreeFontNames(fontnames);
* selector treats them as worthwhile in their own right.
*/
XFontStruct *xfs;
- Display *disp = GDK_DISPLAY();
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
Atom fontprop, fontprop2;
unsigned long ret;
return NULL; /* shan't */
}
+static char *x11font_size_increment(unifont *font, int increment)
+{
+ struct x11font *xfont = (struct x11font *)font;
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ Atom fontprop = XInternAtom(disp, "FONT", False);
+ char *returned_name = NULL;
+ unsigned long ret;
+ if (XGetFontProperty(xfont->fonts[0].xfs, fontprop, &ret)) {
+ struct xlfd_decomposed *xlfd;
+ struct xlfd_decomposed *xlfd_best;
+ char *wc;
+ char **fontnames;
+ int nnames, i, max;
+
+ xlfd = xlfd_decompose(XGetAtomName(disp, (Atom)ret));
+ if (!xlfd)
+ return NULL;
+
+ /*
+ * Form a wildcard consisting of everything in the
+ * original XLFD except for the size-related fields.
+ */
+ {
+ struct xlfd_decomposed xlfd_wc = *xlfd; /* structure copy */
+ xlfd_wc.pixel_size = XLFD_INT_WILDCARD;
+ xlfd_wc.point_size = XLFD_INT_WILDCARD;
+ xlfd_wc.average_width = XLFD_INT_WILDCARD;
+ wc = xlfd_recompose(&xlfd_wc);
+ }
+
+ /*
+ * Fetch all the font names matching that wildcard.
+ */
+ max = 32768;
+ while (1) {
+ fontnames = XListFonts(disp, wc, max, &nnames);
+ if (nnames >= max) {
+ XFreeFontNames(fontnames);
+ max *= 2;
+ } else
+ break;
+ }
+
+ sfree(wc);
+
+ /*
+ * Iterate over those to find the one closest in size to the
+ * original font, in the correct direction.
+ */
+
+#define FLIPPED_SIZE(xlfd) \
+ (((xlfd)->pixel_size + (xlfd)->point_size) * \
+ (increment < 0 ? -1 : +1))
+
+ xlfd_best = NULL;
+ for (i = 0; i < nnames; i++) {
+ struct xlfd_decomposed *xlfd2 = xlfd_decompose(fontnames[i]);
+ if (!xlfd2)
+ continue;
+
+ if (xlfd2->pixel_size != 0 &&
+ FLIPPED_SIZE(xlfd2) > FLIPPED_SIZE(xlfd) &&
+ (!xlfd_best || FLIPPED_SIZE(xlfd2)<FLIPPED_SIZE(xlfd_best))) {
+ sfree(xlfd_best);
+ xlfd_best = xlfd2;
+ xlfd2 = NULL;
+ }
+
+ sfree(xlfd2);
+ }
+
+#undef FLIPPED_SIZE
+
+ if (xlfd_best) {
+ char *bare_returned_name = xlfd_recompose(xlfd_best);
+ returned_name = dupcat(
+ xfont->u.vt->prefix, ":", bare_returned_name,
+ (const char *)NULL);
+ sfree(bare_returned_name);
+ }
+
+ XFreeFontNames(fontnames);
+ sfree(xlfd);
+ sfree(xlfd_best);
+ }
+ return returned_name;
+}
+
+#endif /* NOT_X_WINDOWS */
+
#if GTK_CHECK_VERSION(2,0,0)
/* ----------------------------------------------------------------------
#endif
static int pangofont_has_glyph(unifont *font, wchar_t glyph);
-static void pangofont_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
- int x, int y, const wchar_t *string, int len,
- int wide, int bold, int cellwidth);
+static void pangofont_draw_text(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth);
+static void pangofont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth);
static unifont *pangofont_create(GtkWidget *widget, const char *name,
int wide, int bold,
int shadowoffset, int shadowalways);
int resolve_aliases);
static char *pangofont_scale_fontname(GtkWidget *widget, const char *name,
int size);
+static char *pangofont_size_increment(unifont *font, int increment);
struct pangofont {
struct unifont u;
* Data passed in to unifont_create().
*/
int bold, shadowoffset, shadowalways;
+ /*
+ * Cache of character widths, indexed by Unicode code point. In
+ * pixels; -1 means we haven't asked Pango about this character
+ * before.
+ */
+ int *widthcache;
+ unsigned nwidthcache;
};
static const struct unifont_vtable pangofont_vtable = {
pangofont_destroy,
pangofont_has_glyph,
pangofont_draw_text,
+ pangofont_draw_combining,
pangofont_enum_fonts,
pangofont_canonify_fontname,
pangofont_scale_fontname,
+ pangofont_size_increment,
"client",
};
pfont->u.descent = PANGO_PIXELS(pango_font_metrics_get_descent(metrics));
pfont->u.height = pfont->u.ascent + pfont->u.descent;
pfont->u.want_fallback = FALSE;
+#ifdef DRAW_TEXT_CAIRO
+ pfont->u.preferred_drawtype = DRAWTYPE_CAIRO;
+#elif defined DRAW_TEXT_GDK
+ pfont->u.preferred_drawtype = DRAWTYPE_GDK;
+#else
+#error No drawtype available at all
+#endif
/* The Pango API is hardwired to UTF-8 */
pfont->u.public_charset = CS_UTF8;
pfont->desc = desc;
pfont->bold = bold;
pfont->shadowoffset = shadowoffset;
pfont->shadowalways = shadowalways;
+ pfont->widthcache = NULL;
+ pfont->nwidthcache = 0;
pango_font_metrics_unref(metrics);
{
struct pangofont *pfont = (struct pangofont *)font;
pango_font_description_free(pfont->desc);
+ sfree(pfont->widthcache);
g_object_unref(pfont->fset);
sfree(font);
}
+static int pangofont_char_width(PangoLayout *layout, struct pangofont *pfont,
+ wchar_t uchr, const char *utfchr, int utflen)
+{
+ /*
+ * Here we check whether a character has the same width as the
+ * character cell it'll be drawn in. Because profiling showed that
+ * asking Pango for text sizes was a huge bottleneck when we were
+ * calling it every time we needed to know this, we instead call
+ * it only on characters we don't already know about, and cache
+ * the results.
+ */
+
+ if ((unsigned)uchr >= pfont->nwidthcache) {
+ unsigned newsize = ((int)uchr + 0x100) & ~0xFF;
+ pfont->widthcache = sresize(pfont->widthcache, newsize, int);
+ while (pfont->nwidthcache < newsize)
+ pfont->widthcache[pfont->nwidthcache++] = -1;
+ }
+
+ if (pfont->widthcache[uchr] < 0) {
+ PangoRectangle rect;
+ pango_layout_set_text(layout, utfchr, utflen);
+ pango_layout_get_extents(layout, NULL, &rect);
+ pfont->widthcache[uchr] = rect.width;
+ }
+
+ return pfont->widthcache[uchr];
+}
+
static int pangofont_has_glyph(unifont *font, wchar_t glyph)
{
/* Pango implements font fallback, so assume it has everything */
return TRUE;
}
-static void pangofont_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
- int x, int y, const wchar_t *string, int len,
- int wide, int bold, int cellwidth)
+#ifdef DRAW_TEXT_GDK
+static void pango_gdk_draw_layout(unifont_drawctx *ctx,
+ gint x, gint y, PangoLayout *layout)
+{
+ gdk_draw_layout(ctx->u.gdk.target, ctx->u.gdk.gc, x, y, layout);
+}
+#endif
+
+#ifdef DRAW_TEXT_CAIRO
+static void pango_cairo_draw_layout(unifont_drawctx *ctx,
+ gint x, gint y, PangoLayout *layout)
+{
+ cairo_move_to(ctx->u.cairo.cr, x, y);
+ pango_cairo_show_layout(ctx->u.cairo.cr, layout);
+}
+#endif
+
+static void pangofont_draw_internal(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold, int cellwidth,
+ int combining)
{
struct pangofont *pfont = (struct pangofont *)font;
PangoLayout *layout;
char *utfstring, *utfptr;
int utflen;
int shadowbold = FALSE;
+ void (*draw_layout)(unifont_drawctx *ctx,
+ gint x, gint y, PangoLayout *layout) = NULL;
+
+#ifdef DRAW_TEXT_GDK
+ if (ctx->type == DRAWTYPE_GDK) {
+ draw_layout = pango_gdk_draw_layout;
+ }
+#endif
+#ifdef DRAW_TEXT_CAIRO
+ if (ctx->type == DRAWTYPE_CAIRO) {
+ draw_layout = pango_cairo_draw_layout;
+ }
+#endif
if (wide)
cellwidth *= 2;
utfptr = utfstring;
while (utflen > 0) {
int clen, n;
+ int desired = cellwidth * PANGO_SCALE;
/*
* We want to display every character from this string in
* them to do that.
*/
- /*
- * Start by extracting a single UTF-8 character from the
- * string.
- */
- clen = 1;
- while (clen < utflen &&
- (unsigned char)utfptr[clen] >= 0x80 &&
- (unsigned char)utfptr[clen] < 0xC0)
- clen++;
- n = 1;
-
- /*
- * If it's a right-to-left character, we must display it on
- * its own, to stop Pango helpfully re-reversing our already
- * reversed text.
- */
- if (!is_rtl(string[0])) {
-
+ if (combining) {
/*
- * See if that character has the width we expect.
+ * For a character with combining stuff, we just dump the
+ * whole lot in one go, and expect it to take up just one
+ * character cell.
*/
- pango_layout_set_text(layout, utfptr, clen);
- pango_layout_get_pixel_extents(layout, NULL, &rect);
-
- if (rect.width == cellwidth) {
+ clen = utflen;
+ n = 1;
+ } else {
+ /*
+ * Start by extracting a single UTF-8 character from the
+ * string.
+ */
+ clen = 1;
+ while (clen < utflen &&
+ (unsigned char)utfptr[clen] >= 0x80 &&
+ (unsigned char)utfptr[clen] < 0xC0)
+ clen++;
+ n = 1;
+
+ if (is_rtl(string[0]) ||
+ pangofont_char_width(layout, pfont, string[n-1],
+ utfptr, clen) != desired) {
/*
- * Try extracting more characters, for as long as they
- * stay well-behaved.
+ * If this character is a right-to-left one, or has an
+ * unusual width, then we must display it on its own.
+ */
+ } else {
+ /*
+ * Try to amalgamate a contiguous string of characters
+ * with the expected sensible width, for the common case
+ * in which we're using a monospaced font and everything
+ * works as expected.
*/
while (clen < utflen) {
int oldclen = clen;
(unsigned char)utfptr[clen] < 0xC0)
clen++;
n++;
- pango_layout_set_text(layout, utfptr, clen);
- pango_layout_get_pixel_extents(layout, NULL, &rect);
- if (rect.width != n * cellwidth) {
+ if (is_rtl(string[n-1]) ||
+ pangofont_char_width(layout, pfont,
+ string[n-1], utfptr + oldclen,
+ clen - oldclen) != desired) {
clen = oldclen;
n--;
break;
pango_layout_set_text(layout, utfptr, clen);
pango_layout_get_pixel_extents(layout, NULL, &rect);
- gdk_draw_layout(target, gc, x + (n*cellwidth - rect.width)/2,
- y + (pfont->u.height - rect.height)/2, layout);
+
+ draw_layout(ctx,
+ x + (n*cellwidth - rect.width)/2,
+ y + (pfont->u.height - rect.height)/2, layout);
if (shadowbold)
- gdk_draw_layout(target, gc, x + (n*cellwidth - rect.width)/2 + pfont->shadowoffset,
- y + (pfont->u.height - rect.height)/2, layout);
+ draw_layout(ctx,
+ x + (n*cellwidth - rect.width)/2 + pfont->shadowoffset,
+ y + (pfont->u.height - rect.height)/2, layout);
utflen -= clen;
utfptr += clen;
g_object_unref(layout);
}
+static void pangofont_draw_text(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth)
+{
+ pangofont_draw_internal(ctx, font, x, y, string, len, wide, bold,
+ cellwidth, FALSE);
+}
+
+static void pangofont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth)
+{
+ wchar_t *tmpstring = NULL;
+ if (mk_wcwidth(string[0]) == 0) {
+ /*
+ * If we've been told to draw a sequence of _only_ combining
+ * characters, prefix a space so that they have something to
+ * combine with.
+ */
+ tmpstring = snewn(len+1, wchar_t);
+ memcpy(tmpstring+1, string, len * sizeof(wchar_t));
+ tmpstring[0] = L' ';
+ string = tmpstring;
+ len++;
+ }
+ pangofont_draw_internal(ctx, font, x, y, string, len, wide, bold,
+ cellwidth, TRUE);
+ sfree(tmpstring);
+}
+
/*
* Dummy size value to be used when converting a
* PangoFontDescription of a scalable font to a string for
return retname;
}
+static char *pangofont_size_increment(unifont *font, int increment)
+{
+ struct pangofont *pfont = (struct pangofont *)font;
+ PangoFontDescription *desc;
+ int size;
+ char *newname, *retname;
+
+ desc = pango_font_description_copy_static(pfont->desc);
+
+ size = pango_font_description_get_size(desc);
+ size += PANGO_SCALE * increment;
+
+ if (size <= 0) {
+ retname = NULL;
+ } else {
+ pango_font_description_set_size(desc, size);
+ newname = pango_font_description_to_string(desc);
+ retname = dupcat(pfont->u.vt->prefix, ":",
+ newname, (const char *)NULL);
+ g_free(newname);
+ }
+
+ pango_font_description_free(desc);
+ return retname;
+}
+
#endif /* GTK_CHECK_VERSION(2,0,0) */
/* ----------------------------------------------------------------------
#if GTK_CHECK_VERSION(2,0,0)
&pangofont_vtable,
#endif
+#ifndef NOT_X_WINDOWS
&x11font_vtable,
+#endif
};
/*
font->vt->destroy(font);
}
-void unifont_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
+void unifont_draw_text(unifont_drawctx *ctx, unifont *font,
int x, int y, const wchar_t *string, int len,
int wide, int bold, int cellwidth)
{
- font->vt->draw_text(target, gc, font, x, y, string, len,
- wide, bold, cellwidth);
+ font->vt->draw_text(ctx, font, x, y, string, len, wide, bold, cellwidth);
+}
+
+void unifont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth)
+{
+ font->vt->draw_combining(ctx, font, x, y, string, len, wide, bold,
+ cellwidth);
+}
+
+char *unifont_size_increment(unifont *font, int increment)
+{
+ return font->vt->size_increment(font, increment);
}
/* ----------------------------------------------------------------------
* destroy.
*/
-static void multifont_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
- int x, int y, const wchar_t *string, int len,
- int wide, int bold, int cellwidth);
+static void multifont_draw_text(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth);
+static void multifont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth);
static void multifont_destroy(unifont *font);
+static char *multifont_size_increment(unifont *font, int increment);
struct multifont {
struct unifont u;
multifont_destroy,
NULL,
multifont_draw_text,
+ multifont_draw_combining,
NULL,
NULL,
NULL,
+ multifont_size_increment,
"client",
};
mfont->u.height = font->height;
mfont->u.public_charset = font->public_charset;
mfont->u.want_fallback = FALSE; /* shouldn't be needed, but just in case */
+ mfont->u.preferred_drawtype = font->preferred_drawtype;
mfont->main = font;
mfont->fallback = fallback;
sfree(font);
}
-static void multifont_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
- int x, int y, const wchar_t *string, int len,
- int wide, int bold, int cellwidth)
+typedef void (*unifont_draw_func_t)(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth);
+
+static void multifont_draw_main(unifont_drawctx *ctx, unifont *font, int x,
+ int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth,
+ int cellinc, unifont_draw_func_t draw)
{
struct multifont *mfont = (struct multifont *)font;
+ unifont *f;
int ok, i;
while (len > 0) {
/*
* Now display it.
*/
- unifont_draw_text(target, gc, ok ? mfont->main : mfont->fallback,
- x, y, string, i, wide, bold, cellwidth);
+ f = ok ? mfont->main : mfont->fallback;
+ if (f)
+ draw(ctx, f, x, y, string, i, wide, bold, cellwidth);
string += i;
len -= i;
- x += i * cellwidth;
+ x += i * cellinc;
}
}
+static void multifont_draw_text(unifont_drawctx *ctx, unifont *font, int x,
+ int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth)
+{
+ multifont_draw_main(ctx, font, x, y, string, len, wide, bold,
+ cellwidth, cellwidth, unifont_draw_text);
+}
+
+static void multifont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth)
+{
+ multifont_draw_main(ctx, font, x, y, string, len, wide, bold,
+ cellwidth, 0, unifont_draw_combining);
+}
+
+static char *multifont_size_increment(unifont *font, int increment)
+{
+ struct multifont *mfont = (struct multifont *)font;
+ return unifont_size_increment(mfont->main, increment);
+}
+
#if GTK_CHECK_VERSION(2,0,0)
/* ----------------------------------------------------------------------
GtkListStore *family_model, *style_model, *size_model;
GtkWidget *family_list, *style_list, *size_entry, *size_list;
GtkWidget *filter_buttons[4];
+ int n_filter_buttons;
GtkWidget *preview_area;
+#ifndef NO_BACKING_PIXMAPS
GdkPixmap *preview_pixmap;
+#endif
int preview_width, preview_height;
GdkColor preview_fg, preview_bg;
int filter_flags;
return 0;
}
+static void unifontsel_draw_preview_text(unifontsel_internal *fs);
+
static void unifontsel_deselect(unifontsel_internal *fs)
{
fs->selected = NULL;
gtk_list_store_clear(fs->size_model);
gtk_widget_set_sensitive(fs->u.ok_button, FALSE);
gtk_widget_set_sensitive(fs->size_entry, FALSE);
+ unifontsel_draw_preview_text(fs);
}
static void unifontsel_setup_familylist(unifontsel_internal *fs)
int currflags = -1;
fontinfo *info;
+ fs->inhibit_response = TRUE;
+
gtk_list_store_clear(fs->family_model);
listindex = 0;
*/
if (fs->selected && fs->selected->familyindex < 0)
unifontsel_deselect(fs);
+
+ fs->inhibit_response = FALSE;
}
static void unifontsel_setup_stylelist(unifontsel_internal *fs,
gtk_list_store_append(fs->style_model, &iter);
gtk_list_store_set(fs->style_model, &iter,
0, currstyle, 1, minpos, 2, maxpos+1,
- 3, TRUE, -1);
+ 3, TRUE, 4, PANGO_WEIGHT_NORMAL, -1);
listindex++;
}
if (info) {
gtk_list_store_append(fs->style_model, &iter);
gtk_list_store_set(fs->style_model, &iter,
0, info->charset, 1, -1, 2, -1,
- 3, FALSE, -1);
+ 3, FALSE, 4, PANGO_WEIGHT_BOLD, -1);
listindex++;
}
currcs = info->charset;
{
int i;
- for (i = 0; i < lenof(fs->filter_buttons); i++) {
- int flagbit = GPOINTER_TO_INT(gtk_object_get_data
- (GTK_OBJECT(fs->filter_buttons[i]),
+ for (i = 0; i < fs->n_filter_buttons; i++) {
+ int flagbit = GPOINTER_TO_INT(g_object_get_data
+ (G_OBJECT(fs->filter_buttons[i]),
"user-data"));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(fs->filter_buttons[i]),
!!(fs->filter_flags & flagbit));
}
}
-static void unifontsel_draw_preview_text(unifontsel_internal *fs)
+static void unifontsel_draw_preview_text_inner(unifont_drawctx *dctx,
+ unifontsel_internal *fs)
{
unifont *font;
char *sizename = NULL;
} else
font = NULL;
- if (fs->preview_pixmap) {
- GdkGC *gc = gdk_gc_new(fs->preview_pixmap);
- gdk_gc_set_foreground(gc, &fs->preview_bg);
- gdk_draw_rectangle(fs->preview_pixmap, gc, 1, 0, 0,
- fs->preview_width, fs->preview_height);
- gdk_gc_set_foreground(gc, &fs->preview_fg);
- if (font) {
- /*
- * The pangram used here is rather carefully
- * constructed: it contains a sequence of very narrow
- * letters (`jil') and a pair of adjacent very wide
- * letters (`wm').
- *
- * If the user selects a proportional font, it will be
- * coerced into fixed-width character cells when used
- * in the actual terminal window. We therefore display
- * it the same way in the preview pane, so as to show
- * it the way it will actually be displayed - and we
- * deliberately pick a pangram which will show the
- * resulting miskerning at its worst.
- *
- * We aren't trying to sell people these fonts; we're
- * trying to let them make an informed choice. Better
- * that they find out the problems with using
- * proportional fonts in terminal windows here than
- * that they go to the effort of selecting their font
- * and _then_ realise it was a mistake.
- */
- info->fontclass->draw_text(fs->preview_pixmap, gc, font,
- 0, font->ascent,
- L"bankrupt jilted showmen quiz convex fogey",
- 41, FALSE, FALSE, font->width);
- info->fontclass->draw_text(fs->preview_pixmap, gc, font,
- 0, font->ascent + font->height,
- L"BANKRUPT JILTED SHOWMEN QUIZ CONVEX FOGEY",
- 41, FALSE, FALSE, font->width);
- /*
- * The ordering of punctuation here is also selected
- * with some specific aims in mind. I put ` and '
- * together because some software (and people) still
- * use them as matched quotes no matter what Unicode
- * might say on the matter, so people can quickly
- * check whether they look silly in a candidate font.
- * The sequence #_@ is there to let people judge the
- * suitability of the underscore as an effectively
- * alphabetic character (since that's how it's often
- * used in practice, at least by programmers).
- */
- info->fontclass->draw_text(fs->preview_pixmap, gc, font,
- 0, font->ascent + font->height * 2,
- L"0123456789!?,.:;<>()[]{}\\/`'\"+*-=~#_@|%&^$",
- 42, FALSE, FALSE, font->width);
- }
- gdk_gc_unref(gc);
- gdk_window_invalidate_rect(fs->preview_area->window, NULL, FALSE);
+#ifdef DRAW_TEXT_GDK
+ if (dctx->type == DRAWTYPE_GDK) {
+ gdk_gc_set_foreground(dctx->u.gdk.gc, &fs->preview_bg);
+ gdk_draw_rectangle(dctx->u.gdk.target, dctx->u.gdk.gc, 1, 0, 0,
+ fs->preview_width, fs->preview_height);
+ gdk_gc_set_foreground(dctx->u.gdk.gc, &fs->preview_fg);
}
- if (font)
+#endif
+#ifdef DRAW_TEXT_CAIRO
+ if (dctx->type == DRAWTYPE_CAIRO) {
+ cairo_set_source_rgb(dctx->u.cairo.cr,
+ fs->preview_bg.red / 65535.0,
+ fs->preview_bg.green / 65535.0,
+ fs->preview_bg.blue / 65535.0);
+ cairo_paint(dctx->u.cairo.cr);
+ cairo_set_source_rgb(dctx->u.cairo.cr,
+ fs->preview_fg.red / 65535.0,
+ fs->preview_fg.green / 65535.0,
+ fs->preview_fg.blue / 65535.0);
+ }
+#endif
+
+ if (font) {
+ /*
+ * The pangram used here is rather carefully
+ * constructed: it contains a sequence of very narrow
+ * letters (`jil') and a pair of adjacent very wide
+ * letters (`wm').
+ *
+ * If the user selects a proportional font, it will be
+ * coerced into fixed-width character cells when used
+ * in the actual terminal window. We therefore display
+ * it the same way in the preview pane, so as to show
+ * it the way it will actually be displayed - and we
+ * deliberately pick a pangram which will show the
+ * resulting miskerning at its worst.
+ *
+ * We aren't trying to sell people these fonts; we're
+ * trying to let them make an informed choice. Better
+ * that they find out the problems with using
+ * proportional fonts in terminal windows here than
+ * that they go to the effort of selecting their font
+ * and _then_ realise it was a mistake.
+ */
+ info->fontclass->draw_text(dctx, font,
+ 0, font->ascent,
+ L"bankrupt jilted showmen quiz convex fogey",
+ 41, FALSE, FALSE, font->width);
+ info->fontclass->draw_text(dctx, font,
+ 0, font->ascent + font->height,
+ L"BANKRUPT JILTED SHOWMEN QUIZ CONVEX FOGEY",
+ 41, FALSE, FALSE, font->width);
+ /*
+ * The ordering of punctuation here is also selected
+ * with some specific aims in mind. I put ` and '
+ * together because some software (and people) still
+ * use them as matched quotes no matter what Unicode
+ * might say on the matter, so people can quickly
+ * check whether they look silly in a candidate font.
+ * The sequence #_@ is there to let people judge the
+ * suitability of the underscore as an effectively
+ * alphabetic character (since that's how it's often
+ * used in practice, at least by programmers).
+ */
+ info->fontclass->draw_text(dctx, font,
+ 0, font->ascent + font->height * 2,
+ L"0123456789!?,.:;<>()[]{}\\/`'\"+*-=~#_@|%&^$",
+ 42, FALSE, FALSE, font->width);
+
info->fontclass->destroy(font);
+ }
sfree(sizename);
}
+static void unifontsel_draw_preview_text(unifontsel_internal *fs)
+{
+ unifont_drawctx dctx;
+ GdkWindow *target;
+
+#ifndef NO_BACKING_PIXMAPS
+ target = fs->preview_pixmap;
+#else
+ target = gtk_widget_get_window(fs->preview_area);
+#endif
+ if (!target) /* we may be called when we haven't created everything yet */
+ return;
+
+ dctx.type = DRAWTYPE_DEFAULT;
+#ifdef DRAW_TEXT_GDK
+ if (dctx.type == DRAWTYPE_GDK) {
+ dctx.u.gdk.target = target;
+ dctx.u.gdk.gc = gdk_gc_new(target);
+ }
+#endif
+#ifdef DRAW_TEXT_CAIRO
+ if (dctx.type == DRAWTYPE_CAIRO) {
+ dctx.u.cairo.widget = GTK_WIDGET(fs->preview_area);
+ dctx.u.cairo.cr = gdk_cairo_create(target);
+ }
+#endif
+
+ unifontsel_draw_preview_text_inner(&dctx, fs);
+
+#ifdef DRAW_TEXT_GDK
+ if (dctx.type == DRAWTYPE_GDK) {
+ gdk_gc_unref(dctx.u.gdk.gc);
+ }
+#endif
+#ifdef DRAW_TEXT_CAIRO
+ if (dctx.type == DRAWTYPE_CAIRO) {
+ cairo_destroy(dctx.u.cairo.cr);
+ }
+#endif
+
+ gdk_window_invalidate_rect(gtk_widget_get_window(fs->preview_area),
+ NULL, FALSE);
+}
+
static void unifontsel_select_font(unifontsel_internal *fs,
fontinfo *info, int size, int leftlist,
int size_is_explicit)
{
int index;
int minval, maxval;
+ gboolean success;
GtkTreePath *treepath;
GtkTreeIter iter;
treepath);
gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(fs->family_list),
treepath, NULL, FALSE, 0.0, 0.0);
- gtk_tree_model_get_iter(GTK_TREE_MODEL(fs->family_model), &iter, treepath);
+ success = gtk_tree_model_get_iter(GTK_TREE_MODEL(fs->family_model),
+ &iter, treepath);
+ assert(success);
gtk_tree_path_free(treepath);
/*
* Grey out the font size edit box if we're not using a
* scalable font.
*/
- gtk_entry_set_editable(GTK_ENTRY(fs->size_entry), fs->selected->size == 0);
+ gtk_editable_set_editable(GTK_EDITABLE(fs->size_entry),
+ fs->selected->size == 0);
gtk_widget_set_sensitive(fs->size_entry, fs->selected->size == 0);
unifontsel_draw_preview_text(fs);
unifontsel_internal *fs = (unifontsel_internal *)data;
int newstate = gtk_toggle_button_get_active(tb);
int newflags;
- int flagbit = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(tb),
- "user-data"));
+ int flagbit = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(tb),
+ "user-data"));
if (newstate)
newflags = fs->filter_flags | flagbit;
}
}
+#if GTK_CHECK_VERSION(3,0,0)
+static gint unifontsel_draw_area(GtkWidget *widget, cairo_t *cr, gpointer data)
+{
+ unifontsel_internal *fs = (unifontsel_internal *)data;
+ unifont_drawctx dctx;
+
+ dctx.type = DRAWTYPE_CAIRO;
+ dctx.u.cairo.widget = widget;
+ dctx.u.cairo.cr = cr;
+ unifontsel_draw_preview_text_inner(&dctx, fs);
+
+ return TRUE;
+}
+#else
static gint unifontsel_expose_area(GtkWidget *widget, GdkEventExpose *event,
gpointer data)
{
unifontsel_internal *fs = (unifontsel_internal *)data;
+#ifndef NO_BACKING_PIXMAPS
if (fs->preview_pixmap) {
- gdk_draw_pixmap(widget->window,
- widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
+ gdk_draw_pixmap(gtk_widget_get_window(widget),
+ (gtk_widget_get_style(widget)->fg_gc
+ [gtk_widget_get_state(widget)]),
fs->preview_pixmap,
event->area.x, event->area.y,
event->area.x, event->area.y,
event->area.width, event->area.height);
}
+#else
+ unifontsel_draw_preview_text(fs);
+#endif
+
return TRUE;
}
+#endif
static gint unifontsel_configure_area(GtkWidget *widget,
GdkEventConfigure *event, gpointer data)
{
+#ifndef NO_BACKING_PIXMAPS
unifontsel_internal *fs = (unifontsel_internal *)data;
int ox, oy, nx, ny, x, y;
nx = (x > ox ? x : ox);
ny = (y > oy ? y : oy);
- fs->preview_pixmap = gdk_pixmap_new(widget->window, nx, ny, -1);
+ fs->preview_pixmap = gdk_pixmap_new(gtk_widget_get_window(widget),
+ nx, ny, -1);
fs->preview_width = nx;
fs->preview_height = ny;
unifontsel_draw_preview_text(fs);
}
+#endif
- gdk_window_invalidate_rect(widget->window, NULL, FALSE);
+ gdk_window_invalidate_rect(gtk_widget_get_window(widget), NULL, FALSE);
return TRUE;
}
fs->selected = NULL;
{
+ int width, height;
+
/*
* Invent some magic size constants.
*/
- GtkRequisition req;
- label = gtk_label_new("Quite Long Font Name (Foundry)");
- gtk_widget_size_request(label, &req);
- font_width = req.width;
- lists_height = 14 * req.height;
- preview_height = 5 * req.height;
- gtk_label_set_text(GTK_LABEL(label), "Italic Extra Condensed");
- gtk_widget_size_request(label, &req);
- style_width = req.width;
- gtk_label_set_text(GTK_LABEL(label), "48000");
- gtk_widget_size_request(label, &req);
- size_width = req.width;
-#if GTK_CHECK_VERSION(2,10,0)
- g_object_ref_sink(label);
- g_object_unref(label);
-#else
- gtk_object_sink(GTK_OBJECT(label));
-#endif
+ get_label_text_dimensions("Quite Long Font Name (Foundry)",
+ &width, &height);
+ font_width = width;
+ lists_height = 14 * height;
+ preview_height = 5 * height;
+
+ get_label_text_dimensions("Italic Extra Condensed", &width, &height);
+ style_width = width;
+
+ get_label_text_dimensions("48000", &width, &height);
+ size_width = width;
}
/*
fs->u.window = GTK_WINDOW(gtk_dialog_new());
gtk_window_set_title(fs->u.window, wintitle);
fs->u.cancel_button = gtk_dialog_add_button
- (GTK_DIALOG(fs->u.window), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
+ (GTK_DIALOG(fs->u.window), STANDARD_CANCEL_LABEL, GTK_RESPONSE_CANCEL);
fs->u.ok_button = gtk_dialog_add_button
- (GTK_DIALOG(fs->u.window), GTK_STOCK_OK, GTK_RESPONSE_OK);
+ (GTK_DIALOG(fs->u.window), STANDARD_OK_LABEL, GTK_RESPONSE_OK);
gtk_widget_grab_default(fs->u.ok_button);
/*
* Now set up the internal fields, including in particular all
* the controls that actually allow the user to select fonts.
*/
+#if GTK_CHECK_VERSION(3,0,0)
+ table = gtk_grid_new();
+ gtk_grid_set_column_spacing(GTK_GRID(table), 8);
+#else
table = gtk_table_new(8, 3, FALSE);
- gtk_widget_show(table);
gtk_table_set_col_spacings(GTK_TABLE(table), 8);
-#if GTK_CHECK_VERSION(2,4,0)
+#endif
+ gtk_widget_show(table);
+
+#if GTK_CHECK_VERSION(3,0,0)
+ /* GtkAlignment has become deprecated and we use the "margin"
+ * property */
+ w = table;
+ g_object_set(G_OBJECT(w), "margin", 8, (const char *)NULL);
+#elif GTK_CHECK_VERSION(2,4,0)
/* GtkAlignment seems to be the simplest way to put padding round things */
w = gtk_alignment_new(0, 0, 1, 1);
gtk_alignment_set_padding(GTK_ALIGNMENT(w), 8, 8, 8, 8);
gtk_container_add(GTK_CONTAINER(w), table);
gtk_widget_show(w);
#else
+ /* In GTK < 2.4, even that isn't available */
w = table;
#endif
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fs->u.window)->vbox),
+
+ gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area
+ (GTK_DIALOG(fs->u.window))),
w, TRUE, TRUE, 0);
label = gtk_label_new_with_mnemonic("_Font:");
gtk_widget_show(label);
- gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
+ align_label_left(GTK_LABEL(label));
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), label, 0, 0, 1, 1);
+ g_object_set(G_OBJECT(label), "hexpand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), label, 0, 1, 0, 1, GTK_FILL, 0, 0, 0);
+#endif
/*
* The Font list box displays only a string, but additionally
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
gtk_widget_set_size_request(scroll, font_width, lists_height);
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), scroll, 0, 1, 1, 2);
+ g_object_set(G_OBJECT(scroll), "expand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), scroll, 0, 1, 1, 3, GTK_FILL,
GTK_EXPAND | GTK_FILL, 0, 0);
+#endif
fs->family_model = model;
fs->family_list = w;
label = gtk_label_new_with_mnemonic("_Style:");
gtk_widget_show(label);
- gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
+ align_label_left(GTK_LABEL(label));
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), label, 1, 0, 1, 1);
+ g_object_set(G_OBJECT(label), "hexpand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), label, 1, 2, 0, 1, GTK_FILL, 0, 0, 0);
+#endif
/*
- * The Style list box can contain insensitive elements
- * (character set headings for server-side fonts), so we add
- * an extra column to the list store to hold that information.
+ * The Style list box can contain insensitive elements (character
+ * set headings for server-side fonts), so we add an extra column
+ * to the list store to hold that information. Also, since GTK3 at
+ * least doesn't seem to display insensitive elements differently
+ * by default, we add a further column to change their style.
*/
- model = gtk_list_store_new(4, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT,
- G_TYPE_BOOLEAN);
+ model = gtk_list_store_new(5, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT,
+ G_TYPE_BOOLEAN, G_TYPE_INT);
w = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(w), FALSE);
gtk_label_set_mnemonic_widget(GTK_LABEL(label), w);
gtk_widget_show(w);
column = gtk_tree_view_column_new_with_attributes
("Style", gtk_cell_renderer_text_new(),
- "text", 0, "sensitive", 3, (char *)NULL);
+ "text", 0, "sensitive", 3, "weight", 4, (char *)NULL);
gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_tree_view_append_column(GTK_TREE_VIEW(w), column);
g_signal_connect(G_OBJECT(gtk_tree_view_get_selection(GTK_TREE_VIEW(w))),
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
gtk_widget_set_size_request(scroll, style_width, lists_height);
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), scroll, 1, 1, 1, 2);
+ g_object_set(G_OBJECT(scroll), "expand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), scroll, 1, 2, 1, 3, GTK_FILL,
GTK_EXPAND | GTK_FILL, 0, 0);
+#endif
fs->style_model = model;
fs->style_list = w;
label = gtk_label_new_with_mnemonic("Si_ze:");
gtk_widget_show(label);
- gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
+ align_label_left(GTK_LABEL(label));
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), label, 2, 0, 1, 1);
+ g_object_set(G_OBJECT(label), "hexpand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), label, 2, 3, 0, 1, GTK_FILL, 0, 0, 0);
+#endif
/*
* The Size label attaches primarily to a text input box so
gtk_label_set_mnemonic_widget(GTK_LABEL(label), w);
gtk_widget_set_size_request(w, size_width, -1);
gtk_widget_show(w);
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), w, 2, 1, 1, 1);
+ g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), w, 2, 3, 1, 2, GTK_FILL, 0, 0, 0);
+#endif
g_signal_connect(G_OBJECT(w), "changed", G_CALLBACK(size_entry_changed),
fs);
gtk_widget_show(scroll);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), scroll, 2, 2, 1, 1);
+ g_object_set(G_OBJECT(scroll), "expand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), scroll, 2, 3, 2, 3, GTK_FILL,
GTK_EXPAND | GTK_FILL, 0, 0);
+#endif
fs->size_model = model;
fs->size_list = w;
* Preview widget.
*/
fs->preview_area = gtk_drawing_area_new();
+#ifndef NO_BACKING_PIXMAPS
fs->preview_pixmap = NULL;
+#endif
fs->preview_width = 0;
fs->preview_height = 0;
fs->preview_fg.pixel = fs->preview_bg.pixel = 0;
fs->preview_fg.red = fs->preview_fg.green = fs->preview_fg.blue = 0x0000;
fs->preview_bg.red = fs->preview_bg.green = fs->preview_bg.blue = 0xFFFF;
+#if !GTK_CHECK_VERSION(3,0,0)
gdk_colormap_alloc_color(gdk_colormap_get_system(), &fs->preview_fg,
FALSE, FALSE);
gdk_colormap_alloc_color(gdk_colormap_get_system(), &fs->preview_bg,
FALSE, FALSE);
- gtk_signal_connect(GTK_OBJECT(fs->preview_area), "expose_event",
- GTK_SIGNAL_FUNC(unifontsel_expose_area), fs);
- gtk_signal_connect(GTK_OBJECT(fs->preview_area), "configure_event",
- GTK_SIGNAL_FUNC(unifontsel_configure_area), fs);
+#endif
+#if GTK_CHECK_VERSION(3,0,0)
+ g_signal_connect(G_OBJECT(fs->preview_area), "draw",
+ G_CALLBACK(unifontsel_draw_area), fs);
+#else
+ g_signal_connect(G_OBJECT(fs->preview_area), "expose_event",
+ G_CALLBACK(unifontsel_expose_area), fs);
+#endif
+ g_signal_connect(G_OBJECT(fs->preview_area), "configure_event",
+ G_CALLBACK(unifontsel_configure_area), fs);
gtk_widget_set_size_request(fs->preview_area, 1, preview_height);
gtk_widget_show(fs->preview_area);
ww = fs->preview_area;
w = gtk_frame_new(NULL);
gtk_container_add(GTK_CONTAINER(w), ww);
gtk_widget_show(w);
-#if GTK_CHECK_VERSION(2,4,0)
+
+#if GTK_CHECK_VERSION(3,0,0)
+ /* GtkAlignment has become deprecated and we use the "margin"
+ * property */
+ g_object_set(G_OBJECT(w), "margin", 8, (const char *)NULL);
+#elif GTK_CHECK_VERSION(2,4,0)
ww = w;
/* GtkAlignment seems to be the simplest way to put padding round things */
w = gtk_alignment_new(0, 0, 1, 1);
gtk_container_add(GTK_CONTAINER(w), ww);
gtk_widget_show(w);
#endif
+
ww = w;
w = gtk_frame_new("Preview of font");
gtk_container_add(GTK_CONTAINER(w), ww);
gtk_widget_show(w);
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), w, 0, 3, 3, 1);
+ g_object_set(G_OBJECT(w), "expand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), w, 0, 3, 3, 4,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 8);
+#endif
- i = 0;
+ /*
+ * We only provide the checkboxes for client- and server-side
+ * fonts if we have the X11 back end available, because that's the
+ * only situation in which more than one class of font is
+ * available anyway.
+ */
+ fs->n_filter_buttons = 0;
+#ifndef NOT_X_WINDOWS
w = gtk_check_button_new_with_label("Show client-side fonts");
- gtk_object_set_data(GTK_OBJECT(w), "user-data",
- GINT_TO_POINTER(FONTFLAG_CLIENTSIDE));
- gtk_signal_connect(GTK_OBJECT(w), "toggled",
- GTK_SIGNAL_FUNC(unifontsel_button_toggled), fs);
+ g_object_set_data(G_OBJECT(w), "user-data",
+ GINT_TO_POINTER(FONTFLAG_CLIENTSIDE));
+ g_signal_connect(G_OBJECT(w), "toggled",
+ G_CALLBACK(unifontsel_button_toggled), fs);
gtk_widget_show(w);
- fs->filter_buttons[i++] = w;
+ fs->filter_buttons[fs->n_filter_buttons++] = w;
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), w, 0, 4, 3, 1);
+ g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), w, 0, 3, 4, 5, GTK_FILL, 0, 0, 0);
+#endif
w = gtk_check_button_new_with_label("Show server-side fonts");
- gtk_object_set_data(GTK_OBJECT(w), "user-data",
- GINT_TO_POINTER(FONTFLAG_SERVERSIDE));
- gtk_signal_connect(GTK_OBJECT(w), "toggled",
- GTK_SIGNAL_FUNC(unifontsel_button_toggled), fs);
+ g_object_set_data(G_OBJECT(w), "user-data",
+ GINT_TO_POINTER(FONTFLAG_SERVERSIDE));
+ g_signal_connect(G_OBJECT(w), "toggled",
+ G_CALLBACK(unifontsel_button_toggled), fs);
gtk_widget_show(w);
- fs->filter_buttons[i++] = w;
+ fs->filter_buttons[fs->n_filter_buttons++] = w;
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), w, 0, 5, 3, 1);
+ g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), w, 0, 3, 5, 6, GTK_FILL, 0, 0, 0);
+#endif
w = gtk_check_button_new_with_label("Show server-side font aliases");
- gtk_object_set_data(GTK_OBJECT(w), "user-data",
- GINT_TO_POINTER(FONTFLAG_SERVERALIAS));
- gtk_signal_connect(GTK_OBJECT(w), "toggled",
- GTK_SIGNAL_FUNC(unifontsel_button_toggled), fs);
+ g_object_set_data(G_OBJECT(w), "user-data",
+ GINT_TO_POINTER(FONTFLAG_SERVERALIAS));
+ g_signal_connect(G_OBJECT(w), "toggled",
+ G_CALLBACK(unifontsel_button_toggled), fs);
gtk_widget_show(w);
- fs->filter_buttons[i++] = w;
+ fs->filter_buttons[fs->n_filter_buttons++] = w;
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), w, 0, 6, 3, 1);
+ g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), w, 0, 3, 6, 7, GTK_FILL, 0, 0, 0);
+#endif
+#endif /* NOT_X_WINDOWS */
w = gtk_check_button_new_with_label("Show non-monospaced fonts");
- gtk_object_set_data(GTK_OBJECT(w), "user-data",
- GINT_TO_POINTER(FONTFLAG_NONMONOSPACED));
- gtk_signal_connect(GTK_OBJECT(w), "toggled",
- GTK_SIGNAL_FUNC(unifontsel_button_toggled), fs);
+ g_object_set_data(G_OBJECT(w), "user-data",
+ GINT_TO_POINTER(FONTFLAG_NONMONOSPACED));
+ g_signal_connect(G_OBJECT(w), "toggled",
+ G_CALLBACK(unifontsel_button_toggled), fs);
gtk_widget_show(w);
- fs->filter_buttons[i++] = w;
+ fs->filter_buttons[fs->n_filter_buttons++] = w;
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_grid_attach(GTK_GRID(table), w, 0, 7, 3, 1);
+ g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
+#else
gtk_table_attach(GTK_TABLE(table), w, 0, 3, 7, 8, GTK_FILL, 0, 0, 0);
+#endif
- assert(i == lenof(fs->filter_buttons));
+ assert(fs->n_filter_buttons <= lenof(fs->filter_buttons));
fs->filter_flags = FONTFLAG_CLIENTSIDE | FONTFLAG_SERVERSIDE |
FONTFLAG_SERVERALIAS;
unifontsel_set_filter_buttons(fs);
unifontsel_internal *fs = (unifontsel_internal *)fontsel;
fontinfo *info;
+#ifndef NO_BACKING_PIXMAPS
if (fs->preview_pixmap)
gdk_pixmap_unref(fs->preview_pixmap);
+#endif
freetree234(fs->fonts_by_selorder);
while ((info = delpos234(fs->fonts_by_realname, 0)) != NULL)
* Provide a default if given an empty or null font name.
*/
if (!fontname || !*fontname)
- fontname = "server:fixed";
+ fontname = DEFAULT_GTK_FONT;
/*
* Call the canonify_fontname function.