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Diffstat (limited to 'unix/gtkfont.h')
| -rw-r--r-- | unix/gtkfont.h | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/unix/gtkfont.h b/unix/gtkfont.h deleted file mode 100644 index e43a748d..00000000 --- a/unix/gtkfont.h +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Header file for gtkfont.c. Has to be separate from unix.h - * because it depends on GTK data types, hence can't be included - * from cross-platform code (which doesn't go near GTK). - */ - -#ifndef PUTTY_GTKFONT_H -#define PUTTY_GTKFONT_H - -/* - * We support two entirely different drawing systems: the old - * GDK1/GDK2 one which works on server-side X drawables, and the - * new-style Cairo one. GTK1 only supports GDK drawing; GTK3 only - * supports Cairo; GTK2 supports both, but deprecates GTK, so we only - * enable it if we aren't trying on purpose to compile without the - * deprecated functions. - * - * Our different font classes may prefer different drawing systems: X - * server-side fonts are a lot faster to draw with GDK, but for - * everything else we prefer Cairo, on general grounds of modernness - * and also in particular because its matrix-based scaling system - * gives much nicer results for double-width and double-height text - * when a scalable font is in use. - */ -#if !GTK_CHECK_VERSION(3,0,0) && !defined GDK_DISABLE_DEPRECATED -#define DRAW_TEXT_GDK -#endif -#if GTK_CHECK_VERSION(2,8,0) -#define DRAW_TEXT_CAIRO -#endif - -#if GTK_CHECK_VERSION(3,0,0) || defined GDK_DISABLE_DEPRECATED -/* - * Where the facility is available, we prefer to render text on to a - * persistent server-side pixmap, and redraw windows by simply - * blitting rectangles of that pixmap into them as needed. This is - * better for performance since we avoid expensive font rendering - * calls where possible, and it's particularly good over a non-local X - * connection because the response to an expose event can now be a - * very simple rectangle-copy operation rather than a lot of fiddly - * drawing or bitmap transfer. - * - * However, GTK is deprecating the use of server-side pixmaps, so we - * have to disable this mode under some circumstances. - */ -#define NO_BACKING_PIXMAPS -#endif - -/* - * Exports from gtkfont.c. - */ -typedef struct UnifontVtable UnifontVtable; /* contents internal to - * gtkfont.c */ -typedef struct unifont { - const struct UnifontVtable *vt; - /* - * `Non-static data members' of the `class', accessible to - * external code. - */ - - /* - * public_charset is the charset used when the user asks for - * `Use font encoding'. - */ - int public_charset; - - /* - * Font dimensions needed by clients. - */ - int width, height, ascent, descent, strikethrough_y; - - /* - * Indicates whether this font is capable of handling all glyphs - * (Pango fonts can do this because Pango automatically supplies - * missing glyphs from other fonts), or whether it would like a - * fallback font to cope with missing glyphs. - */ - bool want_fallback; - - /* - * Preferred drawing API to use when this class of font is active. - * (See the enum below, in unifont_drawctx.) - */ - int preferred_drawtype; -} unifont; - -/* A default drawtype, for the case where no font exists to make the - * decision with. */ -#ifdef DRAW_TEXT_CAIRO -#define DRAW_DEFAULT_CAIRO -#define DRAWTYPE_DEFAULT DRAWTYPE_CAIRO -#elif defined DRAW_TEXT_GDK -#define DRAW_DEFAULT_GDK -#define DRAWTYPE_DEFAULT DRAWTYPE_GDK -#else -#error No drawtype available at all -#endif - -/* - * Drawing context passed in to unifont_draw_text, which contains - * everything required to know where and how to draw the requested - * text. - */ -typedef struct unifont_drawctx { - enum { -#ifdef DRAW_TEXT_GDK - DRAWTYPE_GDK, -#endif -#ifdef DRAW_TEXT_CAIRO - DRAWTYPE_CAIRO, -#endif - DRAWTYPE_NTYPES - } type; - union { -#ifdef DRAW_TEXT_GDK - struct { - GdkDrawable *target; - GdkGC *gc; - } gdk; -#endif -#ifdef DRAW_TEXT_CAIRO - struct { - /* Need an actual widget, in order to backtrack to its X - * screen number when creating server-side pixmaps */ - GtkWidget *widget; - cairo_t *cr; - cairo_matrix_t origmatrix; -#if GTK_CHECK_VERSION(3,22,0) - GdkWindow *gdkwin; - GdkDrawingContext *drawctx; -#endif - } cairo; -#endif - } u; -} unifont_drawctx; - -unifont *unifont_create(GtkWidget *widget, const char *name, - bool wide, bool bold, - int shadowoffset, bool shadowalways); -void unifont_destroy(unifont *font); -void unifont_draw_text(unifont_drawctx *ctx, unifont *font, - int x, int y, const wchar_t *string, int len, - bool wide, bool bold, int cellwidth); -/* Same as unifont_draw_text, but expects 'string' to contain one - * normal char plus combining chars, and overdraws them all in the - * same character cell. */ -void unifont_draw_combining(unifont_drawctx *ctx, unifont *font, - int x, int y, const wchar_t *string, int len, - bool wide, bool bold, int cellwidth); -/* Return a name that will select a bigger/smaller font than this one, - * or NULL if no such name is available. */ -char *unifont_size_increment(unifont *font, int increment); - -/* - * This function behaves exactly like the low-level unifont_create, - * except that as well as the requested font it also allocates (if - * necessary) a fallback font for filling in replacement glyphs. - * - * Return value is usable with unifont_destroy and unifont_draw_text - * as if it were an ordinary unifont. - */ -unifont *multifont_create(GtkWidget *widget, const char *name, - bool wide, bool bold, - int shadowoffset, bool shadowalways); - -/* - * Unified font selector dialog. I can't be bothered to do a - * proper GTK subclassing today, so this will just be an ordinary - * data structure with some useful members. - * - * (Of course, these aren't the only members; this structure is - * contained within a bigger one which holds data visible only to - * the implementation.) - */ -typedef struct unifontsel { - void *user_data; /* settable by the user */ - GtkWindow *window; - GtkWidget *ok_button, *cancel_button; -} unifontsel; - -unifontsel *unifontsel_new(const char *wintitle); -void unifontsel_destroy(unifontsel *fontsel); -void unifontsel_set_name(unifontsel *fontsel, const char *fontname); -char *unifontsel_get_name(unifontsel *fontsel); - -#endif /* PUTTY_GTKFONT_H */ |