xtext.h

Idź do dokumentacji tego pliku.

#ifndef __XTEXT_H__
#define __XTEXT_H__

#include <gtk/gtkadjustment.h>
#ifdef USE_XFT
#include <X11/Xft/Xft.h>
#endif

#ifdef USE_SHM
#include <X11/Xlib.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
#endif

#define GTK_TYPE_XTEXT          (gtk_xtext_get_type ())
#define GTK_XTEXT(object)       (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_XTEXT, GtkXText))
#define GTK_XTEXT_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_XTEXT, GtkXTextClass))
#define GTK_IS_XTEXT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_XTEXT))
#define GTK_IS_XTEXT_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_XTEXT))
#define GTK_XTEXT_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_XTEXT, GtkXTextClass))

/* these match palette.h */
#define XTEXT_MIRC_COLS 32
#define XTEXT_COLS 37       /* 32 plus 5 for extra stuff below */
#define XTEXT_MARK_FG 32    /* for marking text */
#define XTEXT_MARK_BG 33
#define XTEXT_FG 34
#define XTEXT_BG 35
#define XTEXT_MARKER 36     /* for marker line */

typedef struct _GtkXText GtkXText;
typedef struct _GtkXTextClass GtkXTextClass;

typedef struct textentry textentry;

typedef struct {
    GtkXText *xtext;    /* attached to this widget */

    gfloat old_value;   /* last known adj->value */
    textentry *text_first;
    textentry *text_last;
    guint16 grid_offset[256];

    textentry *last_ent_start;  /* this basically describes the last rendered */
    textentry *last_ent_end;    /* selection. */
    int last_offset_start;
    int last_offset_end;

    int last_pixel_pos;

    int pagetop_line;
    int pagetop_subline;
    textentry *pagetop_ent; /* what's at xtext->adj->value */

    int num_lines;
    int indent;     /* position of separator (pixels) from left */

    textentry *marker_pos;

    int window_width;   /* window size when last rendered. */
    int window_height;

    unsigned int time_stamp:1;
    unsigned int scrollbar_down:1;
    unsigned int needs_recalc:1;
    unsigned int grid_dirty:1;
    unsigned int marker_seen:1;
    unsigned int reset_marker_pos:1;
} xtext_buffer;

struct _GtkXText {
    GtkWidget widget;

    xtext_buffer *buffer;
    xtext_buffer *orig_buffer;
    xtext_buffer *selection_buffer;

#ifdef USE_SHM
    XShmSegmentInfo shminfo;
#endif

    GtkAdjustment *adj;
    GdkPixmap *pixmap;  /* 0 = use palette[19] */
    GdkDrawable *draw_buf;  /* points to ->window */
    GdkCursor *hand_cursor;
    GdkCursor *resize_cursor;

    int pixel_offset;   /* amount of pixels the top line is chopped by */

    int last_win_x;
    int last_win_y;
    int last_win_h;
    int last_win_w;

    int tint_red;
    int tint_green;
    int tint_blue;

    GdkGC *bgc;     /* backing pixmap */
    GdkGC *fgc;     /* text foreground color */
    GdkGC *light_gc;    /* sep bar */
    GdkGC *dark_gc;
    GdkGC *thin_gc;
    GdkGC *marker_gc;
    gulong palette[XTEXT_COLS];

    gint io_tag;        /* for delayed refresh events */
    gint add_io_tag;    /* "" when adding new text */
    gint scroll_tag;    /* marking-scroll timeout */
    gulong vc_signal_tag;   /* signal handler for "value_changed" adj */

    int select_start_adj;   /* the adj->value when the selection started */
    int select_start_x;
    int select_start_y;
    int select_end_x;
    int select_end_y;

    int max_lines;

    int col_fore;
    int col_back;

    int depth;      /* gdk window depth */

    textentry *hilight_ent;
    int hilight_start;
    int hilight_end;

    guint16 fontwidth[128]; /* each char's width, only the ASCII ones */

#ifdef USE_XFT
    XftColor color[XTEXT_COLS];
    XftColor *xft_fg;
    XftColor *xft_bg;   /* both point into color[20] */
    XftDraw *xftdraw;
    XftFont *font;
    XftFont *ifont;     /* italics */
#else
    struct pangofont {
        PangoFontDescription *font;
        PangoFontDescription *ifont;    /* italics */
        int ascent;
        int descent;
    } *font, pango_font;
    PangoLayout *layout;
#endif

    int fontsize;
    int space_width;    /* width (pixels) of the space " " character */
    int stamp_width;    /* width of "[88:88:88]" */
    int max_auto_indent;

    unsigned char scratch_buffer[4096];

    void (*error_function) (int type);
    int (*urlcheck_function) (GtkWidget *xtext, char *word, int len);

    int jump_out_offset;    /* point at which to stop rendering */
    int jump_in_offset; /* "" start rendering */

    int ts_x;       /* ts origin for ->bgc GC */
    int ts_y;

    int clip_x;     /* clipping (x directions) */
    int clip_x2;        /* from x to x2 */

    int clip_y;     /* clipping (y directions) */
    int clip_y2;        /* from y to y2 */

    /* current text states */
    unsigned int bold:1;
    unsigned int underline:1;
    unsigned int italics:1;

    /* text parsing states */
    unsigned int backcolor:1;

    /* various state information */
    unsigned int moving_separator:1;
    unsigned int word_or_line_select:1;
    unsigned int button_down:1;
    unsigned int hilighting:1;
    unsigned int dont_render:1;
    unsigned int dont_render2:1;
    unsigned int cursor_hand:1;
    unsigned int cursor_resize:1;
    unsigned int skip_border_fills:1;
    unsigned int skip_stamp:1;
    unsigned int mark_stamp:1;  /* Cut&Paste with stamps? */
    unsigned int force_stamp:1; /* force redrawing it */
    unsigned int render_hilights_only:1;
    unsigned int in_hilight:1;
    unsigned int un_hilight:1;
    unsigned int recycle:1;
    unsigned int avoid_trans:1;
    unsigned int force_render:1;
    unsigned int shm:1;

    /* settings/prefs */
    unsigned int auto_indent:1;
    unsigned int thinline:1;
    unsigned int transparent:1;
    unsigned int shaded:1;
    unsigned int marker:1;
    unsigned int separator:1;
    unsigned int wordwrap:1;
    unsigned int overdraw:1;
};

struct _GtkXTextClass {
    GtkWidgetClass parent_class;
    void (*word_click) (GtkXText * xtext, char *word, GdkEventButton * event);
};

GtkWidget *gtk_xtext_new(GdkColor palette[], int separator);
void gtk_xtext_append_fstring(xtext_buffer *buf, const fstring_t *fstr);
int gtk_xtext_set_font(GtkXText * xtext, char *name);
void gtk_xtext_set_background(GtkXText * xtext, GdkPixmap * pixmap, gboolean trans);
void gtk_xtext_set_palette(GtkXText * xtext, GdkColor palette[]);
void gtk_xtext_clear(xtext_buffer * buf);
void gtk_xtext_refresh(GtkXText * xtext, int do_trans);
void gtk_xtext_reset_marker_pos(GtkXText * xtext);

typedef void (*GtkXTextForeach) (GtkXText * xtext, unsigned char *text, void *data);

void gtk_xtext_set_error_function(GtkXText * xtext, void (*error_function) (int));
void gtk_xtext_set_indent(GtkXText * xtext, gboolean indent);
void gtk_xtext_set_max_indent(GtkXText * xtext, int max_auto_indent);
void gtk_xtext_set_max_lines(GtkXText * xtext, int max_lines);
void gtk_xtext_set_show_marker(GtkXText * xtext, gboolean show_marker);
void gtk_xtext_set_show_separator(GtkXText * xtext, gboolean show_separator);
void gtk_xtext_set_thin_separator(GtkXText * xtext, gboolean thin_separator);
void gtk_xtext_set_time_stamp(xtext_buffer * buf, gboolean timestamp);
void gtk_xtext_set_tint(GtkXText * xtext, int tint_red, int tint_green, int tint_blue);
void gtk_xtext_set_urlcheck_function(GtkXText * xtext,
                     int (*urlcheck_function) (GtkWidget *, char *, int));
void gtk_xtext_set_wordwrap(GtkXText * xtext, gboolean word_wrap);

xtext_buffer *gtk_xtext_buffer_new(GtkXText * xtext);
void gtk_xtext_buffer_free(xtext_buffer * buf);
void gtk_xtext_buffer_show(GtkXText * xtext, xtext_buffer * buf, int render);
GType gtk_xtext_get_type(void);

#endif