forked from AuroraMiddleware/gtk
7009511a22
2001-06-08 Havoc Pennington <hp@redhat.com> * gtk/gtktextbuffer.c (gtk_text_buffer_get_start_iter): added this function * gtk/gtktextview.c (gtk_text_view_get_default_attributes): added this function
328 lines
16 KiB
C
328 lines
16 KiB
C
/* GTK - The GIMP Toolkit
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* gtktextview.h Copyright (C) 2000 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef GTK_TEXT_VIEW_H
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#define GTK_TEXT_VIEW_H
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#include <gtk/gtkcontainer.h>
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#include <gtk/gtkimcontext.h>
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#include <gtk/gtktextbuffer.h>
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#include <gtk/gtkmenu.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define GTK_TYPE_TEXT_VIEW (gtk_text_view_get_type ())
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#define GTK_TEXT_VIEW(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_TEXT_VIEW, GtkTextView))
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#define GTK_TEXT_VIEW_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_VIEW, GtkTextViewClass))
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#define GTK_IS_TEXT_VIEW(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_TEXT_VIEW))
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#define GTK_IS_TEXT_VIEW_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_VIEW))
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#define GTK_TEXT_VIEW_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_TEXT_VIEW, GtkTextViewClass))
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typedef enum
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{
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GTK_TEXT_WINDOW_PRIVATE,
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GTK_TEXT_WINDOW_WIDGET,
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GTK_TEXT_WINDOW_TEXT,
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GTK_TEXT_WINDOW_LEFT,
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GTK_TEXT_WINDOW_RIGHT,
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GTK_TEXT_WINDOW_TOP,
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GTK_TEXT_WINDOW_BOTTOM
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} GtkTextWindowType;
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#define GTK_TEXT_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5)
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typedef struct _GtkTextView GtkTextView;
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typedef struct _GtkTextViewClass GtkTextViewClass;
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/* Internal private types. */
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typedef struct _GtkTextWindow GtkTextWindow;
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typedef struct _GtkTextPendingScroll GtkTextPendingScroll;
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struct _GtkTextView
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{
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GtkContainer parent_instance;
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struct _GtkTextLayout *layout;
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GtkTextBuffer *buffer;
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guint selection_drag_handler;
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guint scroll_timeout;
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/* Default style settings */
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gint pixels_above_lines;
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gint pixels_below_lines;
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gint pixels_inside_wrap;
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GtkWrapMode wrap_mode;
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GtkJustification justify;
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gint left_margin;
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gint right_margin;
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gint indent;
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PangoTabArray *tabs;
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guint editable : 1;
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guint overwrite_mode : 1;
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guint cursor_visible : 1;
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guint need_im_reset : 1; /* If we have reset the IM since the last character entered */
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/* just selected a word or line via double/triple click */
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guint just_selected_element : 1;
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/* debug flag - means that we've validated onscreen since the
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* last "invalidate" signal from the layout
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*/
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guint onscreen_validated : 1;
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GtkTextWindow *text_window;
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GtkTextWindow *left_window;
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GtkTextWindow *right_window;
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GtkTextWindow *top_window;
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GtkTextWindow *bottom_window;
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GtkAdjustment *hadjustment;
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GtkAdjustment *vadjustment;
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gint xoffset; /* Offsets between widget coordinates and buffer coordinates */
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gint yoffset;
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gint width; /* Width and height of the buffer */
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gint height;
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/* The virtual cursor position is normally the same as the
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* actual (strong) cursor position, except in two circumstances:
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*
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* a) When the cursor is moved vertically with the keyboard
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* b) When the text view is scrolled with the keyboard
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*
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* In case a), virtual_cursor_x is preserved, but not virtual_cursor_y
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* In case b), both virtual_cursor_x and virtual_cursor_y are preserved.
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*/
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gint virtual_cursor_x; /* -1 means use actual cursor position */
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gint virtual_cursor_y; /* -1 means use actual cursor position */
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GtkTextMark *first_para_mark; /* Mark at the beginning of the first onscreen paragraph */
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gint first_para_pixels; /* Offset of top of screen in the first onscreen paragraph */
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GtkTextMark *dnd_mark;
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guint blink_timeout;
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guint first_validate_idle; /* Idle to revalidate onscreen portion, runs before resize */
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guint incremental_validate_idle; /* Idle to revalidate offscreen portions, runs after redraw */
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GtkIMContext *im_context;
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GtkWidget *popup_menu;
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gint drag_start_x;
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gint drag_start_y;
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GSList *children;
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GtkTextPendingScroll *pending_scroll;
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};
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struct _GtkTextViewClass
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{
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GtkContainerClass parent_class;
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void (* set_scroll_adjustments) (GtkTextView *text_view,
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GtkAdjustment *hadjustment,
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GtkAdjustment *vadjustment);
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void (* populate_popup) (GtkTextView *text_view,
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GtkMenu *menu);
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/* These are all RUN_ACTION signals for keybindings */
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/* move insertion point */
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void (* move_cursor) (GtkTextView *text_view,
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GtkMovementStep step,
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gint count,
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gboolean extend_selection);
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/* move the "anchor" (what Emacs calls the mark) to the cursor position */
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void (* set_anchor) (GtkTextView *text_view);
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/* Edits */
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void (* insert_at_cursor) (GtkTextView *text_view,
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const gchar *str);
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void (* delete_from_cursor) (GtkTextView *text_view,
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GtkDeleteType type,
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gint count);
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/* cut copy paste */
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void (* cut_clipboard) (GtkTextView *text_view);
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void (* copy_clipboard) (GtkTextView *text_view);
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void (* paste_clipboard) (GtkTextView *text_view);
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/* overwrite */
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void (* toggle_overwrite) (GtkTextView *text_view);
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};
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GtkType gtk_text_view_get_type (void) G_GNUC_CONST;
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GtkWidget * gtk_text_view_new (void);
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GtkWidget * gtk_text_view_new_with_buffer (GtkTextBuffer *buffer);
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void gtk_text_view_set_buffer (GtkTextView *text_view,
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GtkTextBuffer *buffer);
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GtkTextBuffer *gtk_text_view_get_buffer (GtkTextView *text_view);
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gboolean gtk_text_view_scroll_to_iter (GtkTextView *text_view,
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GtkTextIter *iter,
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gdouble within_margin,
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gboolean use_align,
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gdouble xalign,
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gdouble yalign);
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void gtk_text_view_scroll_to_mark (GtkTextView *text_view,
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GtkTextMark *mark,
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gdouble within_margin,
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gboolean use_align,
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gdouble xalign,
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gdouble yalign);
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void gtk_text_view_scroll_mark_onscreen (GtkTextView *text_view,
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GtkTextMark *mark);
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gboolean gtk_text_view_move_mark_onscreen (GtkTextView *text_view,
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GtkTextMark *mark);
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gboolean gtk_text_view_place_cursor_onscreen (GtkTextView *text_view);
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void gtk_text_view_get_visible_rect (GtkTextView *text_view,
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GdkRectangle *visible_rect);
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void gtk_text_view_set_cursor_visible (GtkTextView *text_view,
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gboolean setting);
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gboolean gtk_text_view_get_cursor_visible (GtkTextView *text_view);
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void gtk_text_view_get_iter_location (GtkTextView *text_view,
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const GtkTextIter *iter,
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GdkRectangle *location);
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void gtk_text_view_get_iter_at_location (GtkTextView *text_view,
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GtkTextIter *iter,
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gint x,
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gint y);
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void gtk_text_view_get_line_yrange (GtkTextView *text_view,
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const GtkTextIter *iter,
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gint *y,
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gint *height);
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void gtk_text_view_get_line_at_y (GtkTextView *text_view,
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GtkTextIter *target_iter,
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gint y,
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gint *line_top);
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void gtk_text_view_buffer_to_window_coords (GtkTextView *text_view,
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GtkTextWindowType win,
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gint buffer_x,
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gint buffer_y,
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gint *window_x,
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gint *window_y);
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void gtk_text_view_window_to_buffer_coords (GtkTextView *text_view,
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GtkTextWindowType win,
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gint window_x,
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gint window_y,
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gint *buffer_x,
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gint *buffer_y);
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GdkWindow* gtk_text_view_get_window (GtkTextView *text_view,
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GtkTextWindowType win);
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GtkTextWindowType gtk_text_view_get_window_type (GtkTextView *text_view,
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GdkWindow *window);
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void gtk_text_view_set_border_window_size (GtkTextView *text_view,
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GtkTextWindowType type,
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gint size);
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void gtk_text_view_set_text_window_size (GtkTextView *text_view,
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gint width,
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gint height);
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gboolean gtk_text_view_forward_display_line (GtkTextView *text_view,
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GtkTextIter *iter);
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gboolean gtk_text_view_backward_display_line (GtkTextView *text_view,
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GtkTextIter *iter);
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gboolean gtk_text_view_forward_display_line_end (GtkTextView *text_view,
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GtkTextIter *iter);
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gboolean gtk_text_view_backward_display_line_start (GtkTextView *text_view,
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GtkTextIter *iter);
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gboolean gtk_text_view_starts_display_line (GtkTextView *text_view,
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const GtkTextIter *iter);
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gboolean gtk_text_view_move_visually (GtkTextView *text_view,
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GtkTextIter *iter,
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gint count);
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/* Adding child widgets */
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void gtk_text_view_add_child_at_anchor (GtkTextView *text_view,
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GtkWidget *child,
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GtkTextChildAnchor *anchor);
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void gtk_text_view_add_child_in_window (GtkTextView *text_view,
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GtkWidget *child,
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GtkTextWindowType which_window,
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/* window coordinates */
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gint xpos,
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gint ypos);
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void gtk_text_view_move_child (GtkTextView *text_view,
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GtkWidget *child,
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/* window coordinates */
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gint xpos,
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gint ypos);
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/* Default style settings (fallbacks if no tag affects the property) */
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void gtk_text_view_set_wrap_mode (GtkTextView *text_view,
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GtkWrapMode wrap_mode);
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GtkWrapMode gtk_text_view_get_wrap_mode (GtkTextView *text_view);
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void gtk_text_view_set_editable (GtkTextView *text_view,
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gboolean setting);
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gboolean gtk_text_view_get_editable (GtkTextView *text_view);
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void gtk_text_view_set_pixels_above_lines (GtkTextView *text_view,
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gint pixels_above_lines);
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gint gtk_text_view_get_pixels_above_lines (GtkTextView *text_view);
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void gtk_text_view_set_pixels_below_lines (GtkTextView *text_view,
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gint pixels_below_lines);
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gint gtk_text_view_get_pixels_below_lines (GtkTextView *text_view);
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void gtk_text_view_set_pixels_inside_wrap (GtkTextView *text_view,
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gint pixels_inside_wrap);
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gint gtk_text_view_get_pixels_inside_wrap (GtkTextView *text_view);
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void gtk_text_view_set_justification (GtkTextView *text_view,
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GtkJustification justification);
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GtkJustification gtk_text_view_get_justification (GtkTextView *text_view);
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void gtk_text_view_set_left_margin (GtkTextView *text_view,
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gint left_margin);
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gint gtk_text_view_get_left_margin (GtkTextView *text_view);
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void gtk_text_view_set_right_margin (GtkTextView *text_view,
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gint right_margin);
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gint gtk_text_view_get_right_margin (GtkTextView *text_view);
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void gtk_text_view_set_indent (GtkTextView *text_view,
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gint indent);
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gint gtk_text_view_get_indent (GtkTextView *text_view);
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void gtk_text_view_set_tabs (GtkTextView *text_view,
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PangoTabArray *tabs);
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PangoTabArray* gtk_text_view_get_tabs (GtkTextView *text_view);
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/* note that the return value of this changes with the theme */
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GtkTextAttributes* gtk_text_view_get_default_attributes (GtkTextView *text_view);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* GTK_TEXT_VIEW_H */
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