src/fe-gtk/xtext.h

   1 #ifndef __XTEXT_H__
   2 #define __XTEXT_H__
   3
   4 #include <gtk/gtkadjustment.h>
   5 #ifdef USE_XFT
   6 #include <X11/Xft/Xft.h>
   7 #endif
   8
   9 #ifdef USE_SHM
  10 #include <X11/Xlib.h>
  11 #include <sys/ipc.h>
  12 #include <sys/shm.h>
  13 #include <X11/extensions/XShm.h>
  14 #endif
  15
  16 #define GTK_TYPE_XTEXT              (gtk_xtext_get_type ())
  17 #define GTK_XTEXT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_XTEXT, GtkXText))
  18 #define GTK_XTEXT_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_XTEXT, GtkXTextClass))
  19 #define GTK_IS_XTEXT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_XTEXT))
  20 #define GTK_IS_XTEXT_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_XTEXT))
  21 #define GTK_XTEXT_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_XTEXT, GtkXTextClass))
  22
  23 #define ATTR_BOLD                       '\002'
  24 #define ATTR_COLOR              '\003'
  25 #define ATTR_BLINK              '\006'
  26 #define ATTR_BEEP                       '\007'
  27 #define ATTR_HIDDEN             '\010'
  28 #define ATTR_ITALICS2   '\011'
  29 #define ATTR_RESET              '\017'
  30 #define ATTR_REVERSE            '\026'
  31 #define ATTR_ITALICS            '\035'
  32 #define ATTR_UNDERLINE  '\037'
  33
  34 /* these match palette.h */
  35 #define XTEXT_MIRC_COLS 32
  36 #define XTEXT_COLS 37           /* 32 plus 5 for extra stuff below */
  37 #define XTEXT_MARK_FG 32        /* for marking text */
  38 #define XTEXT_MARK_BG 33
  39 #define XTEXT_FG 34
  40 #define XTEXT_BG 35
  41 #define XTEXT_MARKER 36         /* for marker line */
  42
  43 typedef struct _GtkXText GtkXText;
  44 typedef struct _GtkXTextClass GtkXTextClass;
  45 typedef struct textentry textentry;
  46
  47 typedef struct {
  48         GtkXText *xtext;                                        /* attached to this widget */
  49
  50         gfloat old_value;                                       /* last known adj->value */
  51         textentry *text_first;
  52         textentry *text_last;
  53         guint16 grid_offset[256];
  54
  55         textentry *last_ent_start;        /* this basically describes the last rendered */
  56         textentry *last_ent_end;          /* selection. */
  57         int last_offset_start;
  58         int last_offset_end;
  59
  60         int last_pixel_pos;
  61
  62         int pagetop_line;
  63         int pagetop_subline;
  64         textentry *pagetop_ent;                 /* what's at xtext->adj->value */
  65
  66         int num_lines;
  67         int indent;                                               /* position of separator (pixels) from left */
  68
  69         textentry *marker_pos;
  70
  71         int window_width;                               /* window size when last rendered. */
  72         int window_height;
  73
  74         unsigned int time_stamp:1;
  75         unsigned int scrollbar_down:1;
  76         unsigned int needs_recalc:1;
  77         unsigned int grid_dirty:1;
  78         unsigned int marker_seen:1;
  79         unsigned int reset_marker_pos:1;
  80 } xtext_buffer;
  81
  82 struct _GtkXText
  83 {
  84         GtkWidget widget;
  85
  86         xtext_buffer *buffer;
  87         xtext_buffer *orig_buffer;
  88         xtext_buffer *selection_buffer;
  89
  90 #ifdef USE_SHM
  91         XShmSegmentInfo shminfo;
  92 #endif
  93
  94         GtkAdjustment *adj;
  95         GdkPixmap *pixmap;                              /* 0 = use palette[19] */
  96         GdkDrawable *draw_buf;                  /* points to ->window */
  97         GdkCursor *hand_cursor;
  98         GdkCursor *resize_cursor;
  99
 100         int pixel_offset;                                       /* amount of pixels the top line is chopped by */
 101
 102         int last_win_x;
 103         int last_win_y;
 104         int last_win_h;
 105         int last_win_w;
 106
 107         int tint_red;
 108         int tint_green;
 109         int tint_blue;
 110
 111         GdkGC *bgc;                                               /* backing pixmap */
 112         GdkGC *fgc;                                               /* text foreground color */
 113         GdkGC *light_gc;                                  /* sep bar */
 114         GdkGC *dark_gc;
 115         GdkGC *thin_gc;
 116         GdkGC *marker_gc;
 117         gulong palette[XTEXT_COLS];
 118
 119         gint io_tag;                                      /* for delayed refresh events */
 120         gint add_io_tag;                                  /* "" when adding new text */
 121         gint scroll_tag;                                  /* marking-scroll timeout */
 122         gulong vc_signal_tag;        /* signal handler for "value_changed" adj */
 123
 124         int select_start_adj;             /* the adj->value when the selection started */
 125         int select_start_x;
 126         int select_start_y;
 127         int select_end_x;
 128         int select_end_y;
 129
 130         int max_lines;
 131
 132         int col_fore;
 133         int col_back;
 134
 135         int depth;                                                /* gdk window depth */
 136
 137         char num[8];                                      /* for parsing mirc color */
 138         int nc;                                                   /* offset into xtext->num */
 139
 140         textentry *hilight_ent;
 141         int hilight_start;
 142         int hilight_end;
 143
 144         guint16 fontwidth[128];   /* each char's width, only the ASCII ones */
 145
 146 #ifdef USE_XFT
 147         XftColor color[XTEXT_COLS];
 148         XftColor *xft_fg;
 149         XftColor *xft_bg;                               /* both point into color[20] */
 150         XftDraw *xftdraw;
 151         XftFont *font;
 152         XftFont *ifont;                         /* italics */
 153 #else
 154         struct pangofont
 155         {
 156                 PangoFontDescription *font;
 157                 PangoFontDescription *ifont;    /* italics */
 158                 int ascent;
 159                 int descent;
 160         } *font, pango_font;
 161         PangoLayout *layout;
 162 #endif
 163
 164         int fontsize;
 165         int space_width;                                  /* width (pixels) of the space " " character */
 166         int stamp_width;                                  /* width of "[88:88:88]" */
 167         int max_auto_indent;
 168
 169         unsigned char scratch_buffer[4096];
 170
 171         void (*error_function) (int type);
 172         int (*urlcheck_function) (GtkWidget * xtext, char *word, int len);
 173
 174         int jump_out_offset;    /* point at which to stop rendering */
 175         int jump_in_offset;     /* "" start rendering */
 176
 177         int ts_x;                       /* ts origin for ->bgc GC */
 178         int ts_y;
 179
 180         int clip_x;                     /* clipping (x directions) */
 181         int clip_x2;            /* from x to x2 */
 182
 183         int clip_y;                     /* clipping (y directions) */
 184         int clip_y2;            /* from y to y2 */
 185
 186         /* current text states */
 187         unsigned int bold:1;
 188         unsigned int underline:1;
 189         unsigned int italics:1;
 190         unsigned int hidden:1;
 191
 192         /* text parsing states */
 193         unsigned int parsing_backcolor:1;
 194         unsigned int parsing_color:1;
 195         unsigned int backcolor:1;
 196
 197         /* various state information */
 198         unsigned int moving_separator:1;
 199         unsigned int word_or_line_select:1;
 200         unsigned int button_down:1;
 201         unsigned int hilighting:1;
 202         unsigned int dont_render:1;
 203         unsigned int dont_render2:1;
 204         unsigned int cursor_hand:1;
 205         unsigned int cursor_resize:1;
 206         unsigned int skip_border_fills:1;
 207         unsigned int skip_stamp:1;
 208         unsigned int mark_stamp:1;      /* Cut&Paste with stamps? */
 209         unsigned int force_stamp:1;     /* force redrawing it */
 210         unsigned int render_hilights_only:1;
 211         unsigned int in_hilight:1;
 212         unsigned int un_hilight:1;
 213         unsigned int recycle:1;
 214         unsigned int avoid_trans:1;
 215         unsigned int force_render:1;
 216         unsigned int shm:1;
 217         unsigned int color_paste:1; /* CTRL was pressed when selection finished */
 218
 219         /* settings/prefs */
 220         unsigned int auto_indent:1;
 221         unsigned int thinline:1;
 222         unsigned int transparent:1;
 223         unsigned int shaded:1;
 224         unsigned int marker:1;
 225         unsigned int separator:1;
 226         unsigned int wordwrap:1;
 227         unsigned int overdraw:1;
 228         unsigned int ignore_hidden:1;   /* rawlog uses this */
 229 };
 230
 231 struct _GtkXTextClass
 232 {
 233         GtkWidgetClass parent_class;
 234         void (*word_click) (GtkXText * xtext, char *word, GdkEventButton * event);
 235 };
 236
 237 GtkWidget *gtk_xtext_new (GdkColor palette[], int separator);
 238 void gtk_xtext_append (xtext_buffer *buf, unsigned char *text, int len);
 239 void gtk_xtext_append_indent (xtext_buffer *buf,
 240                                                                                 unsigned char *left_text, int left_len,
 241                                                                                 unsigned char *right_text, int right_len,
 242                                                                                 time_t stamp);
 243 int gtk_xtext_set_font (GtkXText *xtext, char *name);
 244 void gtk_xtext_set_background (GtkXText * xtext, GdkPixmap * pixmap, gboolean trans);
 245 void gtk_xtext_set_palette (GtkXText * xtext, GdkColor palette[]);
 246 void gtk_xtext_clear (xtext_buffer *buf, int lines);
 247 void gtk_xtext_save (GtkXText * xtext, int fh);
 248 void gtk_xtext_refresh (GtkXText * xtext, int do_trans);
 249 int gtk_xtext_lastlog (xtext_buffer *out, xtext_buffer *search_area, int (*cmp_func) (char *, void *userdata), void *userdata);
 250 textentry *gtk_xtext_search (GtkXText * xtext, const gchar *text, textentry *start, gboolean case_match, gboolean backward);
 251 void gtk_xtext_reset_marker_pos (GtkXText *xtext);
 252 void gtk_xtext_check_marker_visibility(GtkXText *xtext);
 253
 254 gboolean gtk_xtext_is_empty (xtext_buffer *buf);
 255 typedef void (*GtkXTextForeach) (GtkXText *xtext, unsigned char *text, void *data);
 256 void gtk_xtext_foreach (xtext_buffer *buf, GtkXTextForeach func, void *data);
 257
 258 void gtk_xtext_set_error_function (GtkXText *xtext, void (*error_function) (int));
 259 void gtk_xtext_set_indent (GtkXText *xtext, gboolean indent);
 260 void gtk_xtext_set_max_indent (GtkXText *xtext, int max_auto_indent);
 261 void gtk_xtext_set_max_lines (GtkXText *xtext, int max_lines);
 262 void gtk_xtext_set_show_marker (GtkXText *xtext, gboolean show_marker);
 263 void gtk_xtext_set_show_separator (GtkXText *xtext, gboolean show_separator);
 264 void gtk_xtext_set_thin_separator (GtkXText *xtext, gboolean thin_separator);
 265 void gtk_xtext_set_time_stamp (xtext_buffer *buf, gboolean timestamp);
 266 void gtk_xtext_set_tint (GtkXText *xtext, int tint_red, int tint_green, int tint_blue);
 267 void gtk_xtext_set_urlcheck_function (GtkXText *xtext, int (*urlcheck_function) (GtkWidget *, char *, int));
 268 void gtk_xtext_set_wordwrap (GtkXText *xtext, gboolean word_wrap);
 269
 270 xtext_buffer *gtk_xtext_buffer_new (GtkXText *xtext);
 271 void gtk_xtext_buffer_free (xtext_buffer *buf);
 272 void gtk_xtext_buffer_show (GtkXText *xtext, xtext_buffer *buf, int render);
 273 GType gtk_xtext_get_type (void);
 274
 275 #endif