This source file includes following definitions.
- mcdiffview_dialog_search
- mcdiffview_do_search_backward
- mcdiffview_do_search_forward
- mcdiffview_do_search
- dview_search_cmd
- dview_continue_search_cmd
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27 #include <config.h>
28
29 #include <stdio.h>
30
31 #include "lib/global.h"
32 #include "lib/strutil.h"
33 #include "lib/tty/key.h"
34 #include "lib/widget.h"
35 #ifdef HAVE_CHARSET
36 # include "lib/charsets.h"
37 #endif
38
39 #include "src/history.h"
40
41 #include "internal.h"
42
43
44
45
46
47
48
49 typedef struct mcdiffview_search_options_struct
50 {
51 mc_search_type_t type;
52 gboolean case_sens;
53 gboolean backwards;
54 gboolean whole_words;
55 gboolean all_codepages;
56 } mcdiffview_search_options_t;
57
58
59
60
61
62 static mcdiffview_search_options_t mcdiffview_search_options = {
63 .type = MC_SEARCH_T_NORMAL,
64 .case_sens = FALSE,
65 .backwards = FALSE,
66 .whole_words = FALSE,
67 .all_codepages = FALSE,
68 };
69
70
71
72
73
74 static gboolean
75 mcdiffview_dialog_search (WDiff *dview)
76 {
77 char *exp = NULL;
78 int qd_result;
79 size_t num_of_types = 0;
80 gchar **list_of_types;
81
82 list_of_types = mc_search_get_types_strings_array (&num_of_types);
83
84 {
85 quick_widget_t quick_widgets[] = {
86
87 QUICK_LABELED_INPUT (N_ ("Enter search string:"), input_label_above, INPUT_LAST_TEXT,
88 MC_HISTORY_SHARED_SEARCH, &exp, NULL, FALSE, FALSE,
89 INPUT_COMPLETE_NONE),
90 QUICK_SEPARATOR (TRUE),
91 QUICK_START_COLUMNS,
92 QUICK_RADIO (num_of_types, (const char **) list_of_types,
93 (int *) &mcdiffview_search_options.type, NULL),
94 QUICK_NEXT_COLUMN,
95 QUICK_CHECKBOX (N_ ("Cas&e sensitive"), &mcdiffview_search_options.case_sens, NULL),
96 QUICK_CHECKBOX (N_ ("&Backwards"), &mcdiffview_search_options.backwards, NULL),
97 QUICK_CHECKBOX (N_ ("&Whole words"), &mcdiffview_search_options.whole_words, NULL),
98 #ifdef HAVE_CHARSET
99 QUICK_CHECKBOX (N_ ("&All charsets"), &mcdiffview_search_options.all_codepages,
100 NULL),
101 #endif
102 QUICK_STOP_COLUMNS,
103 QUICK_BUTTONS_OK_CANCEL,
104 QUICK_END,
105
106 };
107
108 WRect r = { -1, -1, 0, 58 };
109
110 quick_dialog_t qdlg = {
111 .rect = r,
112 .title = N_ ("Search"),
113 .help = "[Input Line Keys]",
114 .widgets = quick_widgets,
115 .callback = NULL,
116 .mouse_callback = NULL,
117 };
118
119 qd_result = quick_dialog (&qdlg);
120 }
121
122 g_strfreev (list_of_types);
123
124 if (qd_result == B_CANCEL || exp[0] == '\0')
125 {
126 g_free (exp);
127 return FALSE;
128 }
129
130 #ifdef HAVE_CHARSET
131 {
132 GString *tmp;
133
134 tmp = str_convert_to_input (exp);
135 g_free (exp);
136 if (tmp != NULL)
137 exp = g_string_free (tmp, FALSE);
138 else
139 exp = g_strdup ("");
140 }
141 #endif
142
143 g_free (dview->search.last_string);
144 dview->search.last_string = exp;
145
146 return TRUE;
147 }
148
149
150
151 static gboolean
152 mcdiffview_do_search_backward (WDiff *dview)
153 {
154 ssize_t ind;
155
156 if (dview->search.last_accessed_num_line < 0)
157 {
158 dview->search.last_accessed_num_line = -1;
159 return FALSE;
160 }
161
162 if ((size_t) dview->search.last_accessed_num_line >= dview->a[dview->ord]->len)
163 dview->search.last_accessed_num_line = (ssize_t) dview->a[dview->ord]->len;
164
165 for (ind = --dview->search.last_accessed_num_line; ind >= 0; ind--)
166 {
167 DIFFLN *p;
168
169 p = (DIFFLN *) &g_array_index (dview->a[dview->ord], DIFFLN, (size_t) ind);
170 if (p->u.len == 0)
171 continue;
172
173 if (mc_search_run (dview->search.handle, p->p, 0, p->u.len, NULL))
174 {
175 dview->skip_rows = dview->search.last_found_line =
176 dview->search.last_accessed_num_line = ind;
177 return TRUE;
178 }
179 }
180 return FALSE;
181 }
182
183
184
185 static gboolean
186 mcdiffview_do_search_forward (WDiff *dview)
187 {
188 size_t ind;
189
190 if (dview->search.last_accessed_num_line < 0)
191 dview->search.last_accessed_num_line = -1;
192 else if ((size_t) dview->search.last_accessed_num_line >= dview->a[dview->ord]->len)
193 {
194 dview->search.last_accessed_num_line = (ssize_t) dview->a[dview->ord]->len;
195 return FALSE;
196 }
197
198 for (ind = (size_t) ++dview->search.last_accessed_num_line; ind < dview->a[dview->ord]->len;
199 ind++)
200 {
201 DIFFLN *p;
202
203 p = (DIFFLN *) &g_array_index (dview->a[dview->ord], DIFFLN, ind);
204 if (p->u.len == 0)
205 continue;
206
207 if (mc_search_run (dview->search.handle, p->p, 0, p->u.len, NULL))
208 {
209 dview->skip_rows = dview->search.last_found_line =
210 dview->search.last_accessed_num_line = (ssize_t) ind;
211 return TRUE;
212 }
213 }
214 return FALSE;
215 }
216
217
218
219 static void
220 mcdiffview_do_search (WDiff *dview)
221 {
222 gboolean present_result = FALSE;
223
224 tty_enable_interrupt_key ();
225
226 if (mcdiffview_search_options.backwards)
227 {
228 present_result = mcdiffview_do_search_backward (dview);
229 }
230 else
231 {
232 present_result = mcdiffview_do_search_forward (dview);
233 }
234
235 tty_disable_interrupt_key ();
236
237 if (!present_result)
238 {
239 dview->search.last_found_line = -1;
240 query_dialog (_ ("Search"), _ (STR_E_NOTFOUND), D_NORMAL, 1, _ ("&Dismiss"));
241 }
242 }
243
244
245
246
247
248 void
249 dview_search_cmd (WDiff *dview)
250 {
251 if (dview->dsrc != DATA_SRC_MEM)
252 {
253 error_dialog (_ ("Search"), _ ("Search is disabled"));
254 return;
255 }
256
257 if (!mcdiffview_dialog_search (dview))
258 return;
259
260 mc_search_free (dview->search.handle);
261 #ifdef HAVE_CHARSET
262 dview->search.handle = mc_search_new (dview->search.last_string, cp_source);
263 #else
264 dview->search.handle = mc_search_new (dview->search.last_string, NULL);
265 #endif
266
267 if (dview->search.handle == NULL)
268 return;
269
270 dview->search.handle->search_type = mcdiffview_search_options.type;
271 #ifdef HAVE_CHARSET
272 dview->search.handle->is_all_charsets = mcdiffview_search_options.all_codepages;
273 #endif
274 dview->search.handle->is_case_sensitive = mcdiffview_search_options.case_sens;
275 dview->search.handle->whole_words = mcdiffview_search_options.whole_words;
276
277 mcdiffview_do_search (dview);
278 }
279
280
281
282 void
283 dview_continue_search_cmd (WDiff *dview)
284 {
285 if (dview->dsrc != DATA_SRC_MEM)
286 error_dialog (_ ("Search"), _ ("Search is disabled"));
287 else if (dview->search.handle == NULL)
288 dview_search_cmd (dview);
289 else
290 mcdiffview_do_search (dview);
291 }
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