1 /* 2 * Copyright (c) 2003-2004 the xdvik development team 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to 6 * deal in the Software without restriction, including without limitation the 7 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 8 * sell copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * PAUL VOJTA OR ANY OTHER AUTHOR OF THIS SOFTWARE BE LIABLE FOR ANY CLAIM, 18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifndef DVI_SEARCH_H_ 24 #define DVI_SEARCH_H_ 25 26 #include "xdvi-config.h" 27 #include "xdvi.h" 28 29 #include "search-dialog.h" 30 #include "dvisel.h" 31 32 /* Widget names that are used in callbacks */ 33 #define Xdvi_SEARCHBOX_INPUT_NAME "searchbox_input" 34 #define Xdvi_SEARCH_POPUP_NAME "find_popup" 35 36 /* A sorted dynamic array that maps text buffer (i.e. word) 37 * positions to DVI file offsets. 38 */ 39 40 struct pos_info { 41 size_t buffer_pos; /* position in text buffer */ 42 struct bbox bbox; /* bounding box of this word */ 43 }; 44 45 struct page_mapping { 46 int pageno; 47 int offset; 48 }; 49 50 struct word_info { 51 char *txt_buf; /* contains scanned text as whitespace separated strings */ 52 size_t txt_buf_size; /* size of above buffer */ 53 size_t curr_buf_idx; /* current position in buffer */ 54 struct bbox *bboxes; /* dynamic array of position infos */ 55 size_t bboxes_size; /* size of above array */ 56 size_t bboxes_idx; /* current position in buffer */ 57 const struct page_mapping *page_mapping; /* list of page offsets, for bbox_pass */ 58 struct search_settings *settings; /* pointer to search settings, for bbox_pass */ 59 int buffer_offset; /* offset to start of buffer from text on previous pages */ 60 Boolean bbox_pass; /* whether we're scanning for bounding boxes of match */ 61 Boolean search_scan_pass; /* whether we're scanning for text in string search */ 62 Boolean text_selection_pass; /* whether we're scanning for text selection */ 63 }; 64 65 struct save_or_print_info; /* forward declaration */ 66 67 extern void isearch_start(void); 68 extern void search_dvi(XtPointer settings); 69 extern void search_restart(XtPointer settings); 70 extern Boolean search_extract_text(struct save_or_print_info *info); 71 extern Boolean search_have_match(int pageno); 72 extern int search_inside_bbox_match(int x, int y); 73 extern void search_draw_inverted_regions(void); 74 extern void search_signal_page_changed(void); 75 extern void search_reset_info(void); 76 extern void search_erase_highlighting(Boolean flag); 77 extern void search_putback_expose(void); 78 extern char *get_text_selection(int *len, int x, int y, int w, int h); 79 80 #if 0 81 #define TEST_DELAY(s) \ 82 do { \ 83 TRACE_FIND((stderr, s)); \ 84 int i, j; \ 85 XSync(DISP, False); \ 86 for (i = 0; i < 10000; i++) \ 87 for (j = 0; j < 20000; j++); \ 88 } while (0) 89 #else 90 #define TEST_DELAY(s) /* as nothing */ 91 #endif 92 93 #endif /* DVI_SEARCH_H_ */ 94 95