168 lines
6.7 KiB
C
168 lines
6.7 KiB
C
#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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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef enum {
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GTK_TEXT_MOVEMENT_CHAR, /* move by forw/back chars */
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GTK_TEXT_MOVEMENT_POSITIONS, /* move by left/right chars */
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GTK_TEXT_MOVEMENT_WORD, /* move by forward/back words */
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GTK_TEXT_MOVEMENT_WRAPPED_LINE, /* move up/down lines (wrapped lines) */
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GTK_TEXT_MOVEMENT_LINE, /* move up/down paragraphs (newline-ended lines) */
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GTK_TEXT_MOVEMENT_LINE_ENDS, /* move to either end of a paragraph */
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GTK_TEXT_MOVEMENT_BUFFER_ENDS /* move to ends of the buffer */
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} GtkTextViewMovementStep;
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typedef enum {
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GTK_TEXT_SCROLL_TO_TOP,
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GTK_TEXT_SCROLL_TO_BOTTOM,
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GTK_TEXT_SCROLL_PAGE_DOWN,
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GTK_TEXT_SCROLL_PAGE_UP
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} GtkTextViewScrollType;
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typedef enum {
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GTK_TEXT_DELETE_CHAR,
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GTK_TEXT_DELETE_HALF_WORD, /* delete only the portion of the word to the
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left/right of cursor if we're in the middle
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of a word */
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GTK_TEXT_DELETE_WHOLE_WORD,
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GTK_TEXT_DELETE_HALF_WRAPPED_LINE,
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GTK_TEXT_DELETE_WHOLE_WRAPPED_LINE,
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GTK_TEXT_DELETE_HALF_LINE, /* like C-k in Emacs (or its reverse) */
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GTK_TEXT_DELETE_WHOLE_LINE, /* C-k in pico, kill whole line */
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GTK_TEXT_DELETE_WHITESPACE, /* M-\ in Emacs */
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GTK_TEXT_DELETE_WHITESPACE_LEAVE_ONE /* M-space in Emacs */
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} GtkTextViewDeleteType;
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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 struct _GtkTextView GtkTextView;
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typedef struct _GtkTextViewClass GtkTextViewClass;
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struct _GtkTextView {
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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 selection_drag_scan_timeout;
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gint scrolling_accel_factor;
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gboolean overwrite_mode;
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GtkWrapMode wrap_mode; /* Default wrap mode */
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gboolean editable; /* default editability */
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gboolean cursor_visible;
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GdkWindow *bin_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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};
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struct _GtkTextViewClass {
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GtkContainerClass parent_class;
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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_insert) (GtkTextView *text_view, GtkTextViewMovementStep step, gint count, 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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/* Scroll */
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void (* scroll_text) (GtkTextView *text_view, GtkTextViewScrollType type);
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/* Deletions */
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void (* delete_text) (GtkTextView *text_view, GtkTextViewDeleteType type, gint count);
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/* cut copy paste */
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void (* cut_text) (GtkTextView *text_view);
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void (* copy_text) (GtkTextView *text_view);
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void (* paste_text) (GtkTextView *text_view);
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/* overwrite */
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void (* toggle_overwrite) (GtkTextView *text_view);
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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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};
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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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void gtk_text_view_get_iter_at_pixel (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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gboolean gtk_text_view_scroll_to_mark (GtkTextView *text_view,
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GtkTextMark *mark,
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gint mark_within_margin);
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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_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_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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#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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