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/* GTK - The GIMP Toolkit
* gtktextview.h Copyright (C) 2000 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_TEXT_VIEW_H__
#define __GTK_TEXT_VIEW_H__
#include <gtk/gtkcontainer.h>
#include <gtk/gtkimcontext.h>
#include <gtk/gtktextbuffer.h>
#include <gtk/gtkmenu.h>
G_BEGIN_DECLS
#define GTK_TYPE_TEXT_VIEW (gtk_text_view_get_type ())
#define GTK_TEXT_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TEXT_VIEW, GtkTextView))
#define GTK_TEXT_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_VIEW, GtkTextViewClass))
#define GTK_IS_TEXT_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TEXT_VIEW))
#define GTK_IS_TEXT_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_VIEW))
#define GTK_TEXT_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TEXT_VIEW, GtkTextViewClass))
typedef enum
{
GTK_TEXT_WINDOW_PRIVATE,
GTK_TEXT_WINDOW_WIDGET,
GTK_TEXT_WINDOW_TEXT,
GTK_TEXT_WINDOW_LEFT,
GTK_TEXT_WINDOW_RIGHT,
GTK_TEXT_WINDOW_TOP,
GTK_TEXT_WINDOW_BOTTOM
} GtkTextWindowType;
#define GTK_TEXT_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5)
typedef struct _GtkTextView GtkTextView;
typedef struct _GtkTextViewClass GtkTextViewClass;
/* Internal private types. */
typedef struct _GtkTextWindow GtkTextWindow;
typedef struct _GtkTextPendingScroll GtkTextPendingScroll;
struct _GtkTextView
{
GtkContainer parent_instance;
struct _GtkTextLayout *layout;
GtkTextBuffer *buffer;
guint selection_drag_handler;
guint scroll_timeout;
/* Default style settings */
gint pixels_above_lines;
gint pixels_below_lines;
gint pixels_inside_wrap;
GtkWrapMode wrap_mode;
GtkJustification justify;
gint left_margin;
gint right_margin;
gint indent;
PangoTabArray *tabs;
guint editable : 1;
guint overwrite_mode : 1;
guint cursor_visible : 1;
/* if we have reset the IM since the last character entered */
guint need_im_reset : 1;
guint accepts_tab : 1;
guint width_changed : 1;
/* debug flag - means that we've validated onscreen since the
* last "invalidate" signal from the layout
*/
guint onscreen_validated : 1;
guint mouse_cursor_obscured : 1;
GtkTextWindow *text_window;
GtkTextWindow *left_window;
GtkTextWindow *right_window;
GtkTextWindow *top_window;
GtkTextWindow *bottom_window;
GtkAdjustment *hadjustment;
GtkAdjustment *vadjustment;
gint xoffset; /* Offsets between widget coordinates and buffer coordinates */
gint yoffset;
gint width; /* Width and height of the buffer */
gint height;
/* The virtual cursor position is normally the same as the
* actual (strong) cursor position, except in two circumstances:
*
* a) When the cursor is moved vertically with the keyboard
* b) When the text view is scrolled with the keyboard
*
* In case a), virtual_cursor_x is preserved, but not virtual_cursor_y
* In case b), both virtual_cursor_x and virtual_cursor_y are preserved.
*/
gint virtual_cursor_x; /* -1 means use actual cursor position */
gint virtual_cursor_y; /* -1 means use actual cursor position */
GtkTextMark *first_para_mark; /* Mark at the beginning of the first onscreen paragraph */
gint first_para_pixels; /* Offset of top of screen in the first onscreen paragraph */
GtkTextMark *dnd_mark;
guint blink_timeout;
guint first_validate_idle; /* Idle to revalidate onscreen portion, runs before resize */
guint incremental_validate_idle; /* Idle to revalidate offscreen portions, runs after redraw */
GtkIMContext *im_context;
GtkWidget *popup_menu;
gint drag_start_x;
gint drag_start_y;
GSList *children;
GtkTextPendingScroll *pending_scroll;
gint pending_place_cursor_button;
};
struct _GtkTextViewClass
{
GtkContainerClass parent_class;
void (* set_scroll_adjustments) (GtkTextView *text_view,
GtkAdjustment *hadjustment,
GtkAdjustment *vadjustment);
void (* populate_popup) (GtkTextView *text_view,
GtkMenu *menu);
/* These are all RUN_ACTION signals for keybindings */
/* move insertion point */
void (* move_cursor) (GtkTextView *text_view,
GtkMovementStep step,
gint count,
gboolean extend_selection);
/* FIXME should be deprecated in favor of adding GTK_MOVEMENT_HORIZONTAL_PAGES
* or something in GTK 2.2, was put in to avoid adding enum values during
* the freeze.
*/
void (* page_horizontally) (GtkTextView *text_view,
gint count,
gboolean extend_selection);
/* move the "anchor" (what Emacs calls the mark) to the cursor position */
void (* set_anchor) (GtkTextView *text_view);
/* Edits */
void (* insert_at_cursor) (GtkTextView *text_view,
const gchar *str);
void (* delete_from_cursor) (GtkTextView *text_view,
GtkDeleteType type,
gint count);
void (* backspace) (GtkTextView *text_view);
/* cut copy paste */
void (* cut_clipboard) (GtkTextView *text_view);
void (* copy_clipboard) (GtkTextView *text_view);
void (* paste_clipboard) (GtkTextView *text_view);
/* overwrite */
void (* toggle_overwrite) (GtkTextView *text_view);
/* as of GTK+ 2.12 the "move-focus" signal has been moved to GtkWidget,
* so this is merley a virtual function now. Overriding it in subclasses
* continues to work though.
*/
void (* move_focus) (GtkTextView *text_view,
GtkDirectionType direction);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
void (*_gtk_reserved5) (void);
void (*_gtk_reserved6) (void);
void (*_gtk_reserved7) (void);
};
GType gtk_text_view_get_type (void) G_GNUC_CONST;
GtkWidget * gtk_text_view_new (void);
GtkWidget * gtk_text_view_new_with_buffer (GtkTextBuffer *buffer);
void gtk_text_view_set_buffer (GtkTextView *text_view,
GtkTextBuffer *buffer);
GtkTextBuffer *gtk_text_view_get_buffer (GtkTextView *text_view);
gboolean gtk_text_view_scroll_to_iter (GtkTextView *text_view,
GtkTextIter *iter,
gdouble within_margin,
gboolean use_align,
gdouble xalign,
gdouble yalign);
void gtk_text_view_scroll_to_mark (GtkTextView *text_view,
GtkTextMark *mark,
gdouble within_margin,
gboolean use_align,
gdouble xalign,
gdouble yalign);
void gtk_text_view_scroll_mark_onscreen (GtkTextView *text_view,
GtkTextMark *mark);
gboolean gtk_text_view_move_mark_onscreen (GtkTextView *text_view,
GtkTextMark *mark);
gboolean gtk_text_view_place_cursor_onscreen (GtkTextView *text_view);
void gtk_text_view_get_visible_rect (GtkTextView *text_view,
GdkRectangle *visible_rect);
void gtk_text_view_set_cursor_visible (GtkTextView *text_view,
gboolean setting);
gboolean gtk_text_view_get_cursor_visible (GtkTextView *text_view);
void gtk_text_view_get_iter_location (GtkTextView *text_view,
const GtkTextIter *iter,
GdkRectangle *location);
void gtk_text_view_get_iter_at_location (GtkTextView *text_view,
GtkTextIter *iter,
gint x,
gint y);
void gtk_text_view_get_iter_at_position (GtkTextView *text_view,
GtkTextIter *iter,
gint *trailing,
gint x,
gint y);
void gtk_text_view_get_line_yrange (GtkTextView *text_view,
const GtkTextIter *iter,
gint *y,
gint *height);
void gtk_text_view_get_line_at_y (GtkTextView *text_view,
GtkTextIter *target_iter,
gint y,
gint *line_top);
void gtk_text_view_buffer_to_window_coords (GtkTextView *text_view,
GtkTextWindowType win,
gint buffer_x,
gint buffer_y,
gint *window_x,
gint *window_y);
void gtk_text_view_window_to_buffer_coords (GtkTextView *text_view,
GtkTextWindowType win,
gint window_x,
gint window_y,
gint *buffer_x,
gint *buffer_y);
GdkWindow* gtk_text_view_get_window (GtkTextView *text_view,
GtkTextWindowType win);
GtkTextWindowType gtk_text_view_get_window_type (GtkTextView *text_view,
GdkWindow *window);
void gtk_text_view_set_border_window_size (GtkTextView *text_view,
GtkTextWindowType type,
gint size);
gint gtk_text_view_get_border_window_size (GtkTextView *text_view,
GtkTextWindowType type);
gboolean gtk_text_view_forward_display_line (GtkTextView *text_view,
GtkTextIter *iter);
gboolean gtk_text_view_backward_display_line (GtkTextView *text_view,
GtkTextIter *iter);
gboolean gtk_text_view_forward_display_line_end (GtkTextView *text_view,
GtkTextIter *iter);
gboolean gtk_text_view_backward_display_line_start (GtkTextView *text_view,
GtkTextIter *iter);
gboolean gtk_text_view_starts_display_line (GtkTextView *text_view,
const GtkTextIter *iter);
gboolean gtk_text_view_move_visually (GtkTextView *text_view,
GtkTextIter *iter,
gint count);
/* Adding child widgets */
void gtk_text_view_add_child_at_anchor (GtkTextView *text_view,
GtkWidget *child,
GtkTextChildAnchor *anchor);
void gtk_text_view_add_child_in_window (GtkTextView *text_view,
GtkWidget *child,
GtkTextWindowType which_window,
/* window coordinates */
gint xpos,
gint ypos);
void gtk_text_view_move_child (GtkTextView *text_view,
GtkWidget *child,
/* window coordinates */
gint xpos,
gint ypos);
/* Default style settings (fallbacks if no tag affects the property) */
void gtk_text_view_set_wrap_mode (GtkTextView *text_view,
GtkWrapMode wrap_mode);
GtkWrapMode gtk_text_view_get_wrap_mode (GtkTextView *text_view);
void gtk_text_view_set_editable (GtkTextView *text_view,
gboolean setting);
gboolean gtk_text_view_get_editable (GtkTextView *text_view);
void gtk_text_view_set_overwrite (GtkTextView *text_view,
gboolean overwrite);
gboolean gtk_text_view_get_overwrite (GtkTextView *text_view);
void gtk_text_view_set_accepts_tab (GtkTextView *text_view,
gboolean accepts_tab);
gboolean gtk_text_view_get_accepts_tab (GtkTextView *text_view);
void gtk_text_view_set_pixels_above_lines (GtkTextView *text_view,
gint pixels_above_lines);
gint gtk_text_view_get_pixels_above_lines (GtkTextView *text_view);
void gtk_text_view_set_pixels_below_lines (GtkTextView *text_view,
gint pixels_below_lines);
gint gtk_text_view_get_pixels_below_lines (GtkTextView *text_view);
void gtk_text_view_set_pixels_inside_wrap (GtkTextView *text_view,
gint pixels_inside_wrap);
gint gtk_text_view_get_pixels_inside_wrap (GtkTextView *text_view);
void gtk_text_view_set_justification (GtkTextView *text_view,
GtkJustification justification);
GtkJustification gtk_text_view_get_justification (GtkTextView *text_view);
void gtk_text_view_set_left_margin (GtkTextView *text_view,
gint left_margin);
gint gtk_text_view_get_left_margin (GtkTextView *text_view);
void gtk_text_view_set_right_margin (GtkTextView *text_view,
gint right_margin);
gint gtk_text_view_get_right_margin (GtkTextView *text_view);
void gtk_text_view_set_indent (GtkTextView *text_view,
gint indent);
gint gtk_text_view_get_indent (GtkTextView *text_view);
void gtk_text_view_set_tabs (GtkTextView *text_view,
PangoTabArray *tabs);
PangoTabArray* gtk_text_view_get_tabs (GtkTextView *text_view);
/* note that the return value of this changes with the theme */
GtkTextAttributes* gtk_text_view_get_default_attributes (GtkTextView *text_view);
G_END_DECLS
#endif /* __GTK_TEXT_VIEW_H__ */
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