Initial revision

1 files changed, 204 insertions, 0 deletions

diff --git a/gtk/gtktext.h b/gtk/gtktext.h
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+++ b/gtk/gtktext.h
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+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef __GTK_TEXT_H__
+#define __GTK_TEXT_H__
+
+
+#include <gdk/gdk.h>
+#include <gtk/gtkadjustment.h>
+#include <gtk/gtkwidget.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GTK_TEXT(obj)          GTK_CHECK_CAST (obj, gtk_text_get_type (), GtkText)
+#define GTK_TEXT_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, gtk_text_get_type (), GtkTextClass)
+#define GTK_IS_TEXT(obj)       GTK_CHECK_TYPE (obj, gtk_text_get_type ())
+
+
+typedef struct _GtkPropertyMark   GtkPropertyMark;
+typedef struct _GtkText           GtkText;
+typedef struct _GtkTextClass      GtkTextClass;
+
+typedef void  (*GtkTextFunction) (GtkText *text);
+
+struct _GtkPropertyMark
+{
+  /* Position in list. */
+  GList* property;
+
+  /* Offset into that property. */
+  guint offset;
+
+  /* Current index. */
+  guint index;
+};
+
+struct _GtkText
+{
+  GtkWidget widget;
+
+  GdkWindow *text_area;
+
+  GtkAdjustment *hadj;
+  GtkAdjustment *vadj;
+
+  GdkGC *gc;
+
+  GdkPixmap* line_wrap_bitmap;
+  GdkPixmap* line_arrow_bitmap;
+
+		      /* GAPPED TEXT SEGMENT */
+
+  /* The text, a single segment of text a'la emacs, with a gap
+   * where insertion occurs. */
+  guchar* text;
+  /* The allocated length of the text segment. */
+  guint text_len;
+  /* The gap position, index into address where a char
+   * should be inserted. */
+  guint gap_position;
+  /* The gap size, s.t. *(text + gap_position + gap_size) is
+   * the first valid character following the gap. */
+  guint gap_size;
+  /* The last character position, index into address where a
+   * character should be appeneded.  Thus, text_end - gap_size
+   * is the length of the actual data. */
+  guint text_end;
+			/* LINE START CACHE */
+
+  /* A cache of line-start information.  Data is a LineParam*. */
+  GList *line_start_cache;
+  /* Index to the start of the first visible line. */
+  guint first_line_start_index;
+  /* The number of pixels cut off of the top line. */
+  guint first_cut_pixels;
+  /* First visible horizontal pixel. */
+  guint first_onscreen_hor_pixel;
+  /* First visible vertical pixel. */
+  guint first_onscreen_ver_pixel;
+
+			     /* FLAGS */
+
+  /* True iff the cursor has been placed yet. */
+  guint has_cursor : 1;
+  /* True iff this buffer is editable. (Allowing a cursor to be placed). */
+  guint is_editable : 1;
+  /* True iff this buffer is wrapping lines, otherwise it is using a
+   * horizontal scrollbar. */
+  guint line_wrap : 1;
+  /* Frozen, don't do updates. @@@ fixme */
+  guint freeze : 1;
+  /* Whether a selection. */
+  guint has_selection : 1;
+  /* Whether the selection is in the clipboard. */
+  guint own_selection : 1;
+  /* Whether it has been realized yet. */
+
+			/* TEXT PROPERTIES */
+
+  /* A doubly-linked-list containing TextProperty objects. */
+  GList *text_properties;
+  /* The end of this list. */
+  GList *text_properties_end;
+  /* The first node before or on the point along with its offset to
+   * the point and the buffer's current point.  This is the only
+   * PropertyMark whose index is guaranteed to remain correct
+   * following a buffer insertion or deletion. */
+  GtkPropertyMark point;
+
+			  /* SCRATCH AREA */
+
+  guchar* scratch_buffer;
+  guint   scratch_buffer_len;
+
+			   /* SCROLLING */
+
+  gint last_ver_value;
+
+			     /* CURSOR */
+
+  gint            cursor_pos_x;       /* Position of cursor. */
+  gint            cursor_pos_y;       /* Baseline of line cursor is drawn on. */
+  GtkPropertyMark cursor_mark;        /* Where it is in the buffer. */
+  gchar           cursor_char;        /* Character to redraw. */
+  gchar           cursor_char_offset; /* Distance from baseline of the font. */
+  gint            cursor_virtual_x;   /* Where it would be if it could be. */
+  gint            cursor_drawn_level; /* How many people have undrawn. */
+
+			  /* Current Line */
+
+  GList *current_line;
+
+			   /* Tab Stops */
+
+  GList *tab_stops;
+  gint default_tab_width;
+
+			  /* Key bindings */
+
+  GtkTextFunction control_keys[26];
+  GtkTextFunction alt_keys[26];
+
+		      /* Selection nonsense. */
+
+  guint selection_start;
+  guint selection_stop;
+};
+
+struct _GtkTextClass
+{
+  GtkWidgetClass parent_class;
+};
+
+
+guint      gtk_text_get_type        (void);
+GtkWidget* gtk_text_new             (GtkAdjustment *hadj,
+				     GtkAdjustment *vadj);
+void       gtk_text_set_editable    (GtkText       *text,
+				     gint           editable);
+void       gtk_text_set_adjustments (GtkText       *text,
+				     GtkAdjustment *hadj,
+				     GtkAdjustment *vadj);
+void       gtk_text_set_point       (GtkText       *text,
+				     guint          index);
+guint      gtk_text_get_point       (GtkText       *text);
+guint      gtk_text_get_length      (GtkText       *text);
+void       gtk_text_freeze          (GtkText       *text);
+void       gtk_text_thaw            (GtkText       *text);
+void       gtk_text_insert          (GtkText       *text,
+				     GdkFont       *font,
+				     GdkColor      *fore,
+				     GdkColor      *back,
+				     const char    *chars,
+				     gint           length);
+gint       gtk_text_backward_delete (GtkText       *text,
+				     guint          nchars);
+gint       gtk_text_foreward_delete (GtkText       *text,
+				     guint          nchars);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GTK_TEXT_H__ */