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https://github.com/netsurf-browser/netsurf
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6807b4208a
NetSurf includes are now done with ""s and other system includes with <>s as C intended. The scandeps tool has been updated to only look for ""ed includes, and to verify that the files exist in the tree before adding them to the dependency lines. The depend rule has therefore been augmented to make sure the autogenerated files are built before it is run. This is untested under self-hosted RISC OS builds. All else tested and works. svn path=/trunk/netsurf/; revision=3307
98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/*
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* This file is part of NetSurf, http://netsurf-browser.org/
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* Licensed under the GNU General Public License,
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* http://www.opensource.org/licenses/gpl-license
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* Copyright 2005 Adrian Lees <adrianl@users.sourceforge.net>
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*/
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/** \file
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* Text selection within browser windows, platform-independent part (interface)
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*/
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#ifndef _NETSURF_DESKTOP_SELECTION_H_
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#define _NETSURF_DESKTOP_SELECTION_H_
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#include "desktop/browser.h"
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#include "render/box.h"
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typedef enum {
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DRAG_NONE,
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DRAG_START,
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DRAG_END
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} seln_drag_state;
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/* this structure should be treated as opaque outside selection.c
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(it's defined here to accelerate selection_defined(s) for reduced
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impact on redraw code) */
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struct selection
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{
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struct browser_window *bw;
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struct box *root;
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unsigned max_idx; /* total bytes in text representation */
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unsigned start_idx; /* offset in bytes within text representation */
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unsigned end_idx;
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bool defined;
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bool last_was_end;
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seln_drag_state drag_state;
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};
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typedef bool (*seln_traverse_handler)(const char *text, size_t length,
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bool space, struct box *box, void *handle);
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struct selection *selection_create(struct browser_window *bw);
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void selection_destroy(struct selection *s);
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void selection_init(struct selection *s, struct box *root);
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void selection_reinit(struct selection *s, struct box *root);
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/* struct box *selection_root(struct selection *s); */
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#define selection_root(s) ((s)->root)
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/* bool selection_defined(struct selection *s); */
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#define selection_defined(s) ((s)->defined)
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/* bool selection_dragging(struct selection *s); */
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#define selection_dragging(s) ((s)->drag_state != DRAG_NONE)
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/* bool selection_dragging_start(struct selection *s); */
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#define selection_dragging_start(s) ((s)->drag_state == DRAG_START)
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void selection_clear(struct selection *s, bool redraw);
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void selection_select_all(struct selection *s);
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void selection_set_start(struct selection *s, unsigned idx);
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void selection_set_end(struct selection *s, unsigned idx);
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struct box *selection_get_start(struct selection *s, int *pidx);
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struct box *selection_get_end(struct selection *s, int *pidx);
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bool selection_click(struct selection *s, browser_mouse_state mouse, unsigned idx);
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void selection_track(struct selection *s, browser_mouse_state mouse, unsigned idx);
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/** Handles completion of a drag operation */
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/* void selection_drag_end(struct selection *s); */
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#define selection_drag_end(s) ((s)->drag_state = DRAG_NONE)
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bool selection_traverse(struct selection *s, seln_traverse_handler handler,
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void *handle);
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bool selection_highlighted(struct selection *s, unsigned start, unsigned end,
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unsigned *start_idx, unsigned *end_idx);
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bool selection_save_text(struct selection *s, const char *path);
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void selection_update(struct selection *s, size_t byte_offset, int change,
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bool redraw);
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#endif
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