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authornobody <nobody@localhost>2003-12-09 09:57:09 +0800
committernobody <nobody@localhost>2003-12-09 09:57:09 +0800
commit56f2d7b21f78ef90bd59bc2b88e312a8480a5b4c (patch)
tree75bb0caf9afd4b94842023406d6a7938c5d8b2b7 /widgets/text/e-text.h
parent0031a7166cd0f3fc0cec0b60c468ca22a8c45b0b (diff)
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This commit was manufactured by cvs2svn to create tag 'GEDIT_2_5_92'.GEDIT_2_5_92
svn path=/tags/GEDIT_2_5_92/; revision=23726
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-text.h - Text item for evolution.
- * Copyright 2000, 2001, Ximian, Inc.
- *
- * Authors:
- * Chris Lahey <clahey@ximian.com>
- * Jon Trowbridge <trow@ximian.com>
- *
- * A majority of code taken from:
- *
- * Text item type for GnomeCanvas widget
- *
- * GnomeCanvas is basically a port of the Tk toolkit's most excellent
- * canvas widget. Tk is copyrighted by the Regents of the University
- * of California, Sun Microsystems, and other parties.
- *
- * Copyright (C) 1998 The Free Software Foundation
- *
- * Author: Federico Mena <federico@nuclecu.unam.mx>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License, version 2, as published by the Free Software Foundation.
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- */
-
-#ifndef E_TEXT_H
-#define E_TEXT_H
-
-#include <gtk/gtkmenu.h>
-
-#include <gal/util/e-text-event-processor.h>
-#include <gal/e-text/e-text-model.h>
-#include <gal/widgets/e-canvas.h>
-
-G_BEGIN_DECLS
-
-
-/* Text item for the canvas. Text items are positioned by an anchor point and an anchor direction.
- *
- * A clipping rectangle may be specified for the text. The rectangle is anchored at the text's anchor
- * point, and is specified by clipping width and height parameters. If the clipping rectangle is
- * enabled, it will clip the text.
- *
- * In addition, x and y offset values may be specified. These specify an offset from the anchor
- * position. If used in conjunction with the clipping rectangle, these could be used to implement
- * simple scrolling of the text within the clipping rectangle.
- *
- * The following object arguments are available:
- *
- * name type read/write description
- * ------------------------------------------------------------------------------------------
- * text string RW The string of the text label
- * bold boolean RW Bold?
- * anchor GtkAnchorType RW Anchor side for the text
- * justification GtkJustification RW Justification for multiline text
- * fill_color string W X color specification for text
- * fill_color_gdk GdkColor* RW Pointer to an allocated GdkColor
- * fill_stipple GdkBitmap* RW Stipple pattern for filling the text
- * clip_width double RW Width of clip rectangle
- * clip_height double RW Height of clip rectangle
- * clip boolean RW Use clipping rectangle?
- * fill_clip_rect boolean RW Whether the text item represents itself as being the size of the clipping rectangle.
- * x_offset double RW Horizontal offset distance from anchor position
- * y_offset double RW Vertical offset distance from anchor position
- * text_width double R Used to query the width of the rendered text
- * text_height double R Used to query the rendered height of the text
- * width double RW A synonym for clip_width
- * height double R A synonym for text_height
- *
- * These are currently ignored in the AA version:
- * editable boolean RW Can this item be edited
- * use_ellipsis boolean RW Whether to use ellipsises if text gets cut off. Meaningless if clip == false.
- * ellipsis string RW The characters to use as ellipsis. NULL = "...".
- * line_wrap boolean RW Line wrap when not editing.
- * break_characters string RW List of characters to optionally break on.
- * max_lines int RW Number of lines possible when doing line wrap.
- * draw_borders boolean RW Whether to draw borders.
- * draw_background boolean RW Whether to draw the background.
- * draw_button boolean RW This makes EText handle being the child of a button properly and highlighting as it should.
- */
-
-#define E_TYPE_TEXT (e_text_get_type ())
-#define E_TEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_TYPE_TEXT, EText))
-#define E_TEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), E_TYPE_TEXT, ETextClass))
-#define E_IS_TEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_TYPE_TEXT))
-#define E_IS_TEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), E_TYPE_TEXT))
-
-
-typedef struct _EText EText;
-typedef struct _ETextClass ETextClass;
-
-struct _EText {
- GnomeCanvasItem item;
-
- ETextModel *model;
- gint model_changed_signal_id;
- gint model_repos_signal_id;
-
- const gchar *text; /* Text to display --- from the ETextModel */
- gint preedit_len; /* preedit length to display */
- PangoLayout *layout;
- int num_lines; /* Number of lines of text */
-
- gchar *revert; /* Text to revert to */
-
- GtkAnchorType anchor; /* Anchor side for text */
- GtkJustification justification; /* Justification for text */
-
- double clip_width; /* Width of optional clip rectangle */
- double clip_height; /* Height of optional clip rectangle */
-
- double xofs, yofs; /* Text offset distance from anchor position */
-
- GdkColor color; /* Fill color */
- GdkBitmap *stipple; /* Stipple for text */
- GdkGC *gc; /* GC for drawing text */
-
- int cx, cy; /* Top-left canvas coordinates for text */
- int text_cx, text_cy; /* Top-left canvas coordinates for text */
- int clip_cx, clip_cy; /* Top-left canvas coordinates for clip rectangle */
- int clip_cwidth, clip_cheight; /* Size of clip rectangle in pixels */
- int max_width; /* Maximum width of text lines */
- int width; /* Rendered text width in pixels */
- int height; /* Rendered text height in pixels */
-
- guint32 rgba; /* RGBA color for text */
- double affine[6]; /* The item -> canvas affine */
-
- char *ellipsis; /* The ellipsis characters. NULL = "...". */
- double ellipsis_width; /* The width of the ellipsis. */
-
- int xofs_edit; /* Offset because of editing */
- int yofs_edit; /* Offset because of editing */
-
- /* This needs to be reworked a bit once we get line wrapping. */
- int selection_start; /* Start of selection IN BYTES */
- int selection_end; /* End of selection IN BYTES */
- gboolean select_by_word; /* Current selection is by word */
-
- /* This section is for drag scrolling and blinking cursor. */
- gint timeout_id; /* Current timeout id for scrolling */
- GTimer *timer; /* Timer for blinking cursor and scrolling */
-
- gint lastx, lasty; /* Last x and y motion events */
- gint last_state; /* Last state */
- gulong scroll_start; /* Starting time for scroll (microseconds) */
-
- gint show_cursor; /* Is cursor currently shown */
- gboolean button_down; /* Is mouse button 1 down */
-
- ETextEventProcessor *tep; /* Text Event Processor */
- gint tep_command_id;
-
- gboolean has_selection; /* TRUE if we have the selection */
-
- guint clip : 1; /* Use clip rectangle? */
- guint fill_clip_rectangle : 1; /* Fill the clipping rectangle. */
-
- guint pointer_in : 1; /* Is the pointer currently over us? */
- guint default_cursor_shown : 1; /* Is the default cursor currently shown? */
- guint draw_borders : 1; /* Draw borders? */
- guint draw_background : 1; /* Draw background? */
- guint draw_button : 1; /* Draw button? */
-
- guint line_wrap : 1; /* Do line wrap */
-
- guint needs_redraw : 1; /* Needs redraw */
- guint needs_recalc_bounds : 1; /* Need recalc_bounds */
- guint needs_calc_height : 1; /* Need calc_height */
- guint needs_split_into_lines : 1; /* Needs split_into_lines */
- guint needs_reset_layout : 1; /* Needs split_into_lines */
-
- guint bold : 1;
- guint strikeout : 1;
-
- guint tooltip_owner : 1;
- guint allow_newlines : 1;
-
- guint use_ellipsis : 1; /* Whether to use the ellipsis. */
-
- guint editable : 1; /* Item is editable */
- guint editing : 1; /* Item is currently being edited */
-
- gchar *break_characters; /* Characters to optionally break after */
-
- gint max_lines; /* Max number of lines (-1 = infinite) */
-
- GdkCursor *default_cursor; /* Default cursor (arrow) */
- GdkCursor *i_cursor; /* I beam cursor */
-
- gint tooltip_timeout; /* Timeout for the tooltip */
- gint tooltip_count; /* GDK_ENTER_NOTIFY count. */
-
- gint dbl_timeout; /* Double click timeout */
- gint tpl_timeout; /* Triple click timeout */
-
- gint last_type_request; /* Last selection type requested. */
- guint32 last_time_request; /* The time of the last selection request. */
- GdkAtom last_selection_request; /* The time of the last selection request. */
- GList *queued_requests; /* Queued selection requests. */
-
- GtkIMContext *im_context;
- gboolean need_im_reset;
- gboolean im_context_signals_registered;
-
- gboolean handle_popup;
-};
-
-struct _ETextClass {
- GnomeCanvasItemClass parent_class;
-
- void (* changed) (EText *text);
- void (* activate) (EText *text);
- void (* keypress) (EText *text, guint keyval, guint state);
- void (* populate_popup) (EText *text, GdkEventButton *ev, gint pos, GtkMenu *menu);
- void (* style_set) (EText *text, GtkStyle *previous_style);
-};
-
-
-/* Standard Gtk function */
-GtkType e_text_get_type (void);
-void e_text_cancel_editing (EText *text);
-void e_text_stop_editing (EText *text);
-
-void e_text_delete_selection (EText *text);
-void e_text_cut_clipboard (EText *text);
-void e_text_copy_clipboard (EText *text);
-void e_text_paste_clipboard (EText *text);
-void e_text_select_all (EText *text);
-
-G_END_DECLS
-
-#endif