| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/gtk/textctrl.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin, 2005 Mart Raudsepp |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // For compilers that support precompilation, includes "wx.h". |
| 11 | #include "wx/wxprec.h" |
| 12 | |
| 13 | #if wxUSE_TEXTCTRL |
| 14 | |
| 15 | #include "wx/textctrl.h" |
| 16 | |
| 17 | #ifndef WX_PRECOMP |
| 18 | #include "wx/intl.h" |
| 19 | #include "wx/log.h" |
| 20 | #include "wx/utils.h" |
| 21 | #include "wx/settings.h" |
| 22 | #include "wx/math.h" |
| 23 | #endif |
| 24 | |
| 25 | #include "wx/scopeguard.h" |
| 26 | #include "wx/strconv.h" |
| 27 | #include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) |
| 28 | |
| 29 | #include <sys/types.h> |
| 30 | #include <sys/stat.h> |
| 31 | #include <ctype.h> |
| 32 | |
| 33 | #include "wx/gtk/private.h" |
| 34 | |
| 35 | // ---------------------------------------------------------------------------- |
| 36 | // helpers |
| 37 | // ---------------------------------------------------------------------------- |
| 38 | |
| 39 | extern "C" { |
| 40 | static void wxGtkOnRemoveTag(GtkTextBuffer *buffer, |
| 41 | GtkTextTag *tag, |
| 42 | GtkTextIter * WXUNUSED(start), |
| 43 | GtkTextIter * WXUNUSED(end), |
| 44 | char *prefix) |
| 45 | { |
| 46 | gchar *name; |
| 47 | g_object_get (tag, "name", &name, NULL); |
| 48 | |
| 49 | if (!name || strncmp(name, prefix, strlen(prefix))) |
| 50 | // anonymous tag or not starting with prefix - don't remove |
| 51 | g_signal_stop_emission_by_name (buffer, "remove_tag"); |
| 52 | |
| 53 | g_free(name); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | // remove all tags starting with the given prefix from the start..end range |
| 58 | static void |
| 59 | wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer, |
| 60 | const char *prefix, |
| 61 | GtkTextIter *start, |
| 62 | GtkTextIter *end) |
| 63 | { |
| 64 | gulong remove_handler_id = g_signal_connect |
| 65 | ( |
| 66 | text_buffer, |
| 67 | "remove_tag", |
| 68 | G_CALLBACK(wxGtkOnRemoveTag), |
| 69 | gpointer(prefix) |
| 70 | ); |
| 71 | gtk_text_buffer_remove_all_tags(text_buffer, start, end); |
| 72 | g_signal_handler_disconnect(text_buffer, remove_handler_id); |
| 73 | } |
| 74 | |
| 75 | static void wxGtkTextApplyTagsFromAttr(GtkWidget *text, |
| 76 | GtkTextBuffer *text_buffer, |
| 77 | const wxTextAttr& attr, |
| 78 | GtkTextIter *start, |
| 79 | GtkTextIter *end) |
| 80 | { |
| 81 | static gchar buf[1024]; |
| 82 | GtkTextTag *tag; |
| 83 | |
| 84 | if (attr.HasFont()) |
| 85 | { |
| 86 | wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end); |
| 87 | |
| 88 | wxFont font(attr.GetFont()); |
| 89 | |
| 90 | PangoFontDescription *font_description = font.GetNativeFontInfo()->description; |
| 91 | wxGtkString font_string(pango_font_description_to_string(font_description)); |
| 92 | g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str()); |
| 93 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), |
| 94 | buf ); |
| 95 | if (!tag) |
| 96 | tag = gtk_text_buffer_create_tag( text_buffer, buf, |
| 97 | "font-desc", font_description, |
| 98 | NULL ); |
| 99 | gtk_text_buffer_apply_tag (text_buffer, tag, start, end); |
| 100 | |
| 101 | if (font.GetUnderlined()) |
| 102 | { |
| 103 | g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE"); |
| 104 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), |
| 105 | buf ); |
| 106 | if (!tag) |
| 107 | tag = gtk_text_buffer_create_tag( text_buffer, buf, |
| 108 | "underline-set", TRUE, |
| 109 | "underline", PANGO_UNDERLINE_SINGLE, |
| 110 | NULL ); |
| 111 | gtk_text_buffer_apply_tag (text_buffer, tag, start, end); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | if (attr.HasTextColour()) |
| 116 | { |
| 117 | wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end); |
| 118 | |
| 119 | const GdkColor *colFg = attr.GetTextColour().GetColor(); |
| 120 | g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d", |
| 121 | colFg->red, colFg->green, colFg->blue); |
| 122 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), |
| 123 | buf ); |
| 124 | if (!tag) |
| 125 | tag = gtk_text_buffer_create_tag( text_buffer, buf, |
| 126 | "foreground-gdk", colFg, NULL ); |
| 127 | gtk_text_buffer_apply_tag (text_buffer, tag, start, end); |
| 128 | } |
| 129 | |
| 130 | if (attr.HasBackgroundColour()) |
| 131 | { |
| 132 | wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end); |
| 133 | |
| 134 | const GdkColor *colBg = attr.GetBackgroundColour().GetColor(); |
| 135 | g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d", |
| 136 | colBg->red, colBg->green, colBg->blue); |
| 137 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), |
| 138 | buf ); |
| 139 | if (!tag) |
| 140 | tag = gtk_text_buffer_create_tag( text_buffer, buf, |
| 141 | "background-gdk", colBg, NULL ); |
| 142 | gtk_text_buffer_apply_tag (text_buffer, tag, start, end); |
| 143 | } |
| 144 | |
| 145 | if (attr.HasAlignment()) |
| 146 | { |
| 147 | GtkTextIter para_start, para_end = *end; |
| 148 | gtk_text_buffer_get_iter_at_line( text_buffer, |
| 149 | ¶_start, |
| 150 | gtk_text_iter_get_line(start) ); |
| 151 | gtk_text_iter_forward_line(¶_end); |
| 152 | |
| 153 | wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", ¶_start, ¶_end); |
| 154 | |
| 155 | GtkJustification align; |
| 156 | switch (attr.GetAlignment()) |
| 157 | { |
| 158 | default: |
| 159 | align = GTK_JUSTIFY_LEFT; |
| 160 | break; |
| 161 | case wxTEXT_ALIGNMENT_RIGHT: |
| 162 | align = GTK_JUSTIFY_RIGHT; |
| 163 | break; |
| 164 | case wxTEXT_ALIGNMENT_CENTER: |
| 165 | align = GTK_JUSTIFY_CENTER; |
| 166 | break; |
| 167 | // gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available |
| 168 | // (but if new enough pango isn't available it's a mere gtk warning) |
| 169 | #if GTK_CHECK_VERSION(2,11,0) |
| 170 | case wxTEXT_ALIGNMENT_JUSTIFIED: |
| 171 | if (!gtk_check_version(2,11,0)) |
| 172 | align = GTK_JUSTIFY_FILL; |
| 173 | else |
| 174 | align = GTK_JUSTIFY_LEFT; |
| 175 | break; |
| 176 | #endif |
| 177 | } |
| 178 | |
| 179 | g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align); |
| 180 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), |
| 181 | buf ); |
| 182 | if (!tag) |
| 183 | tag = gtk_text_buffer_create_tag( text_buffer, buf, |
| 184 | "justification", align, NULL ); |
| 185 | gtk_text_buffer_apply_tag( text_buffer, tag, ¶_start, ¶_end ); |
| 186 | } |
| 187 | |
| 188 | if (attr.HasLeftIndent()) |
| 189 | { |
| 190 | // Indentation attribute |
| 191 | |
| 192 | // Clear old indentation tags |
| 193 | GtkTextIter para_start, para_end = *end; |
| 194 | gtk_text_buffer_get_iter_at_line( text_buffer, |
| 195 | ¶_start, |
| 196 | gtk_text_iter_get_line(start) ); |
| 197 | gtk_text_iter_forward_line(¶_end); |
| 198 | |
| 199 | wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", ¶_start, ¶_end); |
| 200 | |
| 201 | // Convert indent from 1/10th of a mm into pixels |
| 202 | float factor = |
| 203 | (float)gdk_screen_get_width(gtk_widget_get_screen(text)) / |
| 204 | gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10; |
| 205 | |
| 206 | const int indent = (int)(factor * attr.GetLeftIndent()); |
| 207 | const int subIndent = (int)(factor * attr.GetLeftSubIndent()); |
| 208 | |
| 209 | gint gindent; |
| 210 | gint gsubindent; |
| 211 | |
| 212 | if (subIndent >= 0) |
| 213 | { |
| 214 | gindent = indent; |
| 215 | gsubindent = -subIndent; |
| 216 | } |
| 217 | else |
| 218 | { |
| 219 | gindent = -subIndent; |
| 220 | gsubindent = indent; |
| 221 | } |
| 222 | |
| 223 | g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent); |
| 224 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), |
| 225 | buf ); |
| 226 | if (!tag) |
| 227 | tag = gtk_text_buffer_create_tag( text_buffer, buf, |
| 228 | "left-margin", gindent, "indent", gsubindent, NULL ); |
| 229 | gtk_text_buffer_apply_tag (text_buffer, tag, ¶_start, ¶_end); |
| 230 | } |
| 231 | |
| 232 | if (attr.HasTabs()) |
| 233 | { |
| 234 | // Set tab stops |
| 235 | |
| 236 | // Clear old tabs |
| 237 | GtkTextIter para_start, para_end = *end; |
| 238 | gtk_text_buffer_get_iter_at_line( text_buffer, |
| 239 | ¶_start, |
| 240 | gtk_text_iter_get_line(start) ); |
| 241 | gtk_text_iter_forward_line(¶_end); |
| 242 | |
| 243 | wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", ¶_start, ¶_end); |
| 244 | |
| 245 | const wxArrayInt& tabs = attr.GetTabs(); |
| 246 | |
| 247 | wxString tagname = wxT("WXTABS"); |
| 248 | g_snprintf(buf, sizeof(buf), "WXTABS"); |
| 249 | for (size_t i = 0; i < tabs.GetCount(); i++) |
| 250 | tagname += wxString::Format(wxT(" %d"), tabs[i]); |
| 251 | |
| 252 | const wxWX2MBbuf buftag = tagname.utf8_str(); |
| 253 | |
| 254 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), |
| 255 | buftag ); |
| 256 | if (!tag) |
| 257 | { |
| 258 | // Factor to convert from 1/10th of a mm into pixels |
| 259 | float factor = |
| 260 | (float)gdk_screen_get_width(gtk_widget_get_screen(text)) / |
| 261 | gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10; |
| 262 | |
| 263 | PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE); |
| 264 | for (size_t i = 0; i < tabs.GetCount(); i++) |
| 265 | pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor)); |
| 266 | tag = gtk_text_buffer_create_tag( text_buffer, buftag, |
| 267 | "tabs", tabArray, NULL ); |
| 268 | pango_tab_array_free(tabArray); |
| 269 | } |
| 270 | gtk_text_buffer_apply_tag (text_buffer, tag, ¶_start, ¶_end); |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | static void wxGtkTextInsert(GtkWidget *text, |
| 275 | GtkTextBuffer *text_buffer, |
| 276 | const wxTextAttr& attr, |
| 277 | const wxCharBuffer& buffer) |
| 278 | |
| 279 | { |
| 280 | gint start_offset; |
| 281 | GtkTextIter iter, start; |
| 282 | |
| 283 | gtk_text_buffer_get_iter_at_mark( text_buffer, &iter, |
| 284 | gtk_text_buffer_get_insert (text_buffer) ); |
| 285 | start_offset = gtk_text_iter_get_offset (&iter); |
| 286 | gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) ); |
| 287 | |
| 288 | gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset); |
| 289 | |
| 290 | wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter); |
| 291 | } |
| 292 | |
| 293 | // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp, |
| 294 | |
| 295 | extern "C" { |
| 296 | static void |
| 297 | au_apply_tag_callback(GtkTextBuffer *buffer, |
| 298 | GtkTextTag *tag, |
| 299 | GtkTextIter * WXUNUSED(start), |
| 300 | GtkTextIter * WXUNUSED(end), |
| 301 | gpointer WXUNUSED(textctrl)) |
| 302 | { |
| 303 | if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl")) |
| 304 | g_signal_stop_emission_by_name (buffer, "apply_tag"); |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | //----------------------------------------------------------------------------- |
| 309 | // GtkTextCharPredicates for gtk_text_iter_*_find_char |
| 310 | //----------------------------------------------------------------------------- |
| 311 | |
| 312 | extern "C" { |
| 313 | static gboolean |
| 314 | pred_whitespace(gunichar ch, gpointer WXUNUSED(user_data)) |
| 315 | { |
| 316 | return g_unichar_isspace(ch); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | extern "C" { |
| 321 | static gboolean |
| 322 | pred_non_whitespace (gunichar ch, gpointer WXUNUSED(user_data)) |
| 323 | { |
| 324 | return !g_unichar_isspace(ch); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | extern "C" { |
| 329 | static gboolean |
| 330 | pred_nonpunct (gunichar ch, gpointer WXUNUSED(user_data)) |
| 331 | { |
| 332 | return !g_unichar_ispunct(ch); |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | extern "C" { |
| 337 | static gboolean |
| 338 | pred_nonpunct_or_slash (gunichar ch, gpointer WXUNUSED(user_data)) |
| 339 | { |
| 340 | return !g_unichar_ispunct(ch) || ch == '/'; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | //----------------------------------------------------------------------------- |
| 345 | // Check for links between s and e and correct tags as necessary |
| 346 | //----------------------------------------------------------------------------- |
| 347 | |
| 348 | // This function should be made match better while being efficient at one point. |
| 349 | // Most probably with a row of regular expressions. |
| 350 | extern "C" { |
| 351 | static void |
| 352 | au_check_word( GtkTextIter *s, GtkTextIter *e ) |
| 353 | { |
| 354 | static const char *const URIPrefixes[] = |
| 355 | { |
| 356 | "http://", |
| 357 | "ftp://", |
| 358 | "www.", |
| 359 | "ftp.", |
| 360 | "mailto://", |
| 361 | "https://", |
| 362 | "file://", |
| 363 | "nntp://", |
| 364 | "news://", |
| 365 | "telnet://", |
| 366 | "mms://", |
| 367 | "gopher://", |
| 368 | "prospero://", |
| 369 | "wais://", |
| 370 | }; |
| 371 | |
| 372 | GtkTextIter start = *s, end = *e; |
| 373 | GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s); |
| 374 | |
| 375 | // Get our special link tag |
| 376 | GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"); |
| 377 | |
| 378 | // Get rid of punctuation from beginning and end. |
| 379 | // Might want to move this to au_check_range if an improved link checking doesn't |
| 380 | // use some intelligent punctuation checking itself (beware of undesired iter modifications). |
| 381 | if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) ) |
| 382 | gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e ); |
| 383 | |
| 384 | gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start ); |
| 385 | gtk_text_iter_forward_char(&end); |
| 386 | |
| 387 | wxGtkString text(gtk_text_iter_get_text( &start, &end )); |
| 388 | size_t len = strlen(text), prefix_len; |
| 389 | size_t n; |
| 390 | |
| 391 | for( n = 0; n < WXSIZEOF(URIPrefixes); ++n ) |
| 392 | { |
| 393 | prefix_len = strlen(URIPrefixes[n]); |
| 394 | if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len)) |
| 395 | break; |
| 396 | } |
| 397 | |
| 398 | if(n < WXSIZEOF(URIPrefixes)) |
| 399 | { |
| 400 | gulong signal_id = g_signal_handler_find (buffer, |
| 401 | (GSignalMatchType) (G_SIGNAL_MATCH_FUNC), |
| 402 | 0, 0, NULL, |
| 403 | (gpointer)au_apply_tag_callback, NULL); |
| 404 | |
| 405 | g_signal_handler_block (buffer, signal_id); |
| 406 | gtk_text_buffer_apply_tag(buffer, tag, &start, &end); |
| 407 | g_signal_handler_unblock (buffer, signal_id); |
| 408 | } |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | extern "C" { |
| 413 | static void |
| 414 | au_check_range(GtkTextIter *s, |
| 415 | GtkTextIter *range_end) |
| 416 | { |
| 417 | GtkTextIter range_start = *s; |
| 418 | GtkTextIter word_end; |
| 419 | GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s); |
| 420 | GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"); |
| 421 | |
| 422 | gtk_text_buffer_remove_tag(buffer, tag, s, range_end); |
| 423 | |
| 424 | if(g_unichar_isspace(gtk_text_iter_get_char(&range_start))) |
| 425 | gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end); |
| 426 | |
| 427 | while(!gtk_text_iter_equal(&range_start, range_end)) |
| 428 | { |
| 429 | word_end = range_start; |
| 430 | gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end); |
| 431 | |
| 432 | // Now we should have a word delimited by range_start and word_end, correct link tags |
| 433 | au_check_word(&range_start, &word_end); |
| 434 | |
| 435 | range_start = word_end; |
| 436 | gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end); |
| 437 | } |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | //----------------------------------------------------------------------------- |
| 442 | // "insert-text" for GtkTextBuffer |
| 443 | //----------------------------------------------------------------------------- |
| 444 | |
| 445 | extern "C" { |
| 446 | static void |
| 447 | au_insert_text_callback(GtkTextBuffer * WXUNUSED(buffer), |
| 448 | GtkTextIter *end, |
| 449 | gchar *text, |
| 450 | gint len, |
| 451 | wxTextCtrl *win) |
| 452 | { |
| 453 | if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) ) |
| 454 | return; |
| 455 | |
| 456 | GtkTextIter start = *end; |
| 457 | gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len)); |
| 458 | |
| 459 | GtkTextIter line_start = start; |
| 460 | GtkTextIter line_end = *end; |
| 461 | GtkTextIter words_start = start; |
| 462 | GtkTextIter words_end = *end; |
| 463 | |
| 464 | gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start)); |
| 465 | gtk_text_iter_forward_to_line_end(&line_end); |
| 466 | gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start); |
| 467 | gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end); |
| 468 | |
| 469 | au_check_range(&words_start, &words_end); |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | //----------------------------------------------------------------------------- |
| 474 | // "delete-range" for GtkTextBuffer |
| 475 | //----------------------------------------------------------------------------- |
| 476 | |
| 477 | extern "C" { |
| 478 | static void |
| 479 | au_delete_range_callback(GtkTextBuffer * WXUNUSED(buffer), |
| 480 | GtkTextIter *start, |
| 481 | GtkTextIter *end, |
| 482 | wxTextCtrl *win) |
| 483 | { |
| 484 | if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) ) |
| 485 | return; |
| 486 | |
| 487 | GtkTextIter line_start = *start, line_end = *end; |
| 488 | |
| 489 | gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start)); |
| 490 | gtk_text_iter_forward_to_line_end(&line_end); |
| 491 | gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start); |
| 492 | gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end); |
| 493 | |
| 494 | au_check_range(start, end); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | //----------------------------------------------------------------------------- |
| 499 | // "populate_popup" from text control and "unmap" from its poup menu |
| 500 | //----------------------------------------------------------------------------- |
| 501 | |
| 502 | extern "C" { |
| 503 | static void |
| 504 | gtk_textctrl_popup_unmap( GtkMenu *WXUNUSED(menu), wxTextCtrl* win ) |
| 505 | { |
| 506 | win->GTKEnableFocusOutEvent(); |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | extern "C" { |
| 511 | static void |
| 512 | gtk_textctrl_populate_popup( GtkEntry *WXUNUSED(entry), GtkMenu *menu, wxTextCtrl *win ) |
| 513 | { |
| 514 | win->GTKDisableFocusOutEvent(); |
| 515 | |
| 516 | g_signal_connect (menu, "unmap", G_CALLBACK (gtk_textctrl_popup_unmap), win ); |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | //----------------------------------------------------------------------------- |
| 521 | // "changed" |
| 522 | //----------------------------------------------------------------------------- |
| 523 | |
| 524 | extern "C" { |
| 525 | static void |
| 526 | gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) |
| 527 | { |
| 528 | if ( win->IgnoreTextUpdate() ) |
| 529 | return; |
| 530 | |
| 531 | if (!win->m_hasVMT) return; |
| 532 | |
| 533 | if ( win->MarkDirtyOnChange() ) |
| 534 | win->MarkDirty(); |
| 535 | |
| 536 | win->SendTextUpdatedEvent(); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | //----------------------------------------------------------------------------- |
| 541 | // clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard" |
| 542 | //----------------------------------------------------------------------------- |
| 543 | |
| 544 | // common part of the event handlers below |
| 545 | static void |
| 546 | handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win, |
| 547 | wxEventType eventType, const gchar * signal_name) |
| 548 | { |
| 549 | wxClipboardTextEvent event( eventType, win->GetId() ); |
| 550 | event.SetEventObject( win ); |
| 551 | if ( win->HandleWindowEvent( event ) ) |
| 552 | { |
| 553 | // don't let the default processing to take place if we did something |
| 554 | // ourselves in the event handler |
| 555 | g_signal_stop_emission_by_name (widget, signal_name); |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | extern "C" { |
| 560 | static void |
| 561 | gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win ) |
| 562 | { |
| 563 | handle_text_clipboard_callback( |
| 564 | widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" ); |
| 565 | } |
| 566 | |
| 567 | static void |
| 568 | gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win ) |
| 569 | { |
| 570 | handle_text_clipboard_callback( |
| 571 | widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" ); |
| 572 | } |
| 573 | |
| 574 | static void |
| 575 | gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win ) |
| 576 | { |
| 577 | handle_text_clipboard_callback( |
| 578 | widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" ); |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | //----------------------------------------------------------------------------- |
| 583 | // "mark_set" |
| 584 | //----------------------------------------------------------------------------- |
| 585 | |
| 586 | extern "C" { |
| 587 | static void mark_set(GtkTextBuffer*, GtkTextIter*, GtkTextMark* mark, GSList** markList) |
| 588 | { |
| 589 | if (gtk_text_mark_get_name(mark) == NULL) |
| 590 | *markList = g_slist_prepend(*markList, mark); |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | //----------------------------------------------------------------------------- |
| 595 | // wxTextCtrl |
| 596 | //----------------------------------------------------------------------------- |
| 597 | |
| 598 | BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase) |
| 599 | EVT_CHAR(wxTextCtrl::OnChar) |
| 600 | |
| 601 | EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) |
| 602 | EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) |
| 603 | EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) |
| 604 | EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) |
| 605 | EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) |
| 606 | |
| 607 | EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) |
| 608 | EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) |
| 609 | EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) |
| 610 | EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) |
| 611 | EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) |
| 612 | |
| 613 | // wxTE_AUTO_URL wxTextUrl support. Currently only creates |
| 614 | // wxTextUrlEvent in the same cases as wxMSW, more can be added here. |
| 615 | EVT_MOTION (wxTextCtrl::OnUrlMouseEvent) |
| 616 | EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent) |
| 617 | EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent) |
| 618 | EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent) |
| 619 | EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent) |
| 620 | EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent) |
| 621 | EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent) |
| 622 | END_EVENT_TABLE() |
| 623 | |
| 624 | void wxTextCtrl::Init() |
| 625 | { |
| 626 | m_dontMarkDirty = |
| 627 | m_modified = false; |
| 628 | |
| 629 | m_countUpdatesToIgnore = 0; |
| 630 | |
| 631 | SetUpdateFont(false); |
| 632 | |
| 633 | m_text = NULL; |
| 634 | m_showPositionOnThaw = NULL; |
| 635 | m_anonymousMarkList = NULL; |
| 636 | } |
| 637 | |
| 638 | wxTextCtrl::~wxTextCtrl() |
| 639 | { |
| 640 | if (m_anonymousMarkList) |
| 641 | g_slist_free(m_anonymousMarkList); |
| 642 | } |
| 643 | |
| 644 | wxTextCtrl::wxTextCtrl( wxWindow *parent, |
| 645 | wxWindowID id, |
| 646 | const wxString &value, |
| 647 | const wxPoint &pos, |
| 648 | const wxSize &size, |
| 649 | long style, |
| 650 | const wxValidator& validator, |
| 651 | const wxString &name ) |
| 652 | { |
| 653 | Init(); |
| 654 | |
| 655 | Create( parent, id, value, pos, size, style, validator, name ); |
| 656 | } |
| 657 | |
| 658 | bool wxTextCtrl::Create( wxWindow *parent, |
| 659 | wxWindowID id, |
| 660 | const wxString &value, |
| 661 | const wxPoint &pos, |
| 662 | const wxSize &size, |
| 663 | long style, |
| 664 | const wxValidator& validator, |
| 665 | const wxString &name ) |
| 666 | { |
| 667 | if (!PreCreation( parent, pos, size ) || |
| 668 | !CreateBase( parent, id, pos, size, style, validator, name )) |
| 669 | { |
| 670 | wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); |
| 671 | return false; |
| 672 | } |
| 673 | |
| 674 | bool multi_line = (style & wxTE_MULTILINE) != 0; |
| 675 | |
| 676 | if (multi_line) |
| 677 | { |
| 678 | m_buffer = gtk_text_buffer_new(NULL); |
| 679 | gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList); |
| 680 | // Create view |
| 681 | m_text = gtk_text_view_new_with_buffer(m_buffer); |
| 682 | // gtk_text_view_set_buffer adds its own reference |
| 683 | g_object_unref(m_buffer); |
| 684 | g_signal_handler_disconnect(m_buffer, sig_id); |
| 685 | |
| 686 | // create "ShowPosition" marker |
| 687 | GtkTextIter iter; |
| 688 | gtk_text_buffer_get_start_iter(m_buffer, &iter); |
| 689 | gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true); |
| 690 | |
| 691 | // create scrolled window |
| 692 | m_widget = gtk_scrolled_window_new( NULL, NULL ); |
| 693 | gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ), |
| 694 | GTK_POLICY_AUTOMATIC, |
| 695 | style & wxTE_NO_VSCROLL |
| 696 | ? GTK_POLICY_NEVER |
| 697 | : GTK_POLICY_AUTOMATIC ); |
| 698 | // for ScrollLines/Pages |
| 699 | m_scrollBar[1] = GTK_RANGE(gtk_scrolled_window_get_vscrollbar(GTK_SCROLLED_WINDOW(m_widget))); |
| 700 | |
| 701 | // Insert view into scrolled window |
| 702 | gtk_container_add( GTK_CONTAINER(m_widget), m_text ); |
| 703 | |
| 704 | GTKSetWrapMode(); |
| 705 | |
| 706 | GTKScrolledWindowSetBorder(m_widget, style); |
| 707 | |
| 708 | gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK ); |
| 709 | |
| 710 | gtk_widget_set_can_focus(m_widget, FALSE); |
| 711 | } |
| 712 | else |
| 713 | { |
| 714 | // a single-line text control: no need for scrollbars |
| 715 | m_widget = |
| 716 | m_text = gtk_entry_new(); |
| 717 | // work around probable bug in GTK+ 2.18 when calling WriteText on a |
| 718 | // new, empty control, see http://trac.wxwidgets.org/ticket/11409 |
| 719 | gtk_entry_get_text((GtkEntry*)m_text); |
| 720 | |
| 721 | if (style & wxNO_BORDER) |
| 722 | g_object_set (m_text, "has-frame", FALSE, NULL); |
| 723 | |
| 724 | } |
| 725 | g_object_ref(m_widget); |
| 726 | |
| 727 | m_parent->DoAddChild( this ); |
| 728 | |
| 729 | m_focusWidget = m_text; |
| 730 | |
| 731 | PostCreation(size); |
| 732 | |
| 733 | if (multi_line) |
| 734 | { |
| 735 | gtk_widget_show(m_text); |
| 736 | } |
| 737 | |
| 738 | // We want to be notified about text changes. |
| 739 | if (multi_line) |
| 740 | { |
| 741 | g_signal_connect (m_buffer, "changed", |
| 742 | G_CALLBACK (gtk_text_changed_callback), this); |
| 743 | } |
| 744 | else |
| 745 | { |
| 746 | g_signal_connect (m_text, "changed", |
| 747 | G_CALLBACK (gtk_text_changed_callback), this); |
| 748 | } |
| 749 | |
| 750 | // Catch to disable focus out handling |
| 751 | g_signal_connect (m_text, "populate_popup", |
| 752 | G_CALLBACK (gtk_textctrl_populate_popup), |
| 753 | this); |
| 754 | |
| 755 | if (!value.empty()) |
| 756 | { |
| 757 | SetValue( value ); |
| 758 | } |
| 759 | |
| 760 | if (style & wxTE_PASSWORD) |
| 761 | GTKSetVisibility(); |
| 762 | |
| 763 | if (style & wxTE_READONLY) |
| 764 | GTKSetEditable(); |
| 765 | |
| 766 | // left justification (alignment) is the default anyhow |
| 767 | if ( style & (wxTE_RIGHT | wxTE_CENTRE) ) |
| 768 | GTKSetJustification(); |
| 769 | |
| 770 | if (multi_line) |
| 771 | { |
| 772 | // Handle URLs on multi-line controls with wxTE_AUTO_URL style |
| 773 | if (style & wxTE_AUTO_URL) |
| 774 | { |
| 775 | GtkTextIter start, end; |
| 776 | |
| 777 | // We create our wxUrl tag here for slight efficiency gain - we |
| 778 | // don't have to check for the tag existance in callbacks, |
| 779 | // hereby it's guaranteed to exist. |
| 780 | gtk_text_buffer_create_tag(m_buffer, "wxUrl", |
| 781 | "foreground", "blue", |
| 782 | "underline", PANGO_UNDERLINE_SINGLE, |
| 783 | NULL); |
| 784 | |
| 785 | // Check for URLs after each text change |
| 786 | g_signal_connect_after (m_buffer, "insert_text", |
| 787 | G_CALLBACK (au_insert_text_callback), this); |
| 788 | g_signal_connect_after (m_buffer, "delete_range", |
| 789 | G_CALLBACK (au_delete_range_callback), this); |
| 790 | |
| 791 | // Block all wxUrl tag applying unless we do it ourselves, in which case we |
| 792 | // block this callback temporarily. This takes care of gtk+ internal |
| 793 | // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise, |
| 794 | // which is undesired because only a part of the URL might be copied. |
| 795 | // The insert-text signal emitted inside it will take care of newly formed |
| 796 | // or wholly copied URLs. |
| 797 | g_signal_connect (m_buffer, "apply_tag", |
| 798 | G_CALLBACK (au_apply_tag_callback), NULL); |
| 799 | |
| 800 | // Check for URLs in the initial string passed to Create |
| 801 | gtk_text_buffer_get_start_iter(m_buffer, &start); |
| 802 | gtk_text_buffer_get_end_iter(m_buffer, &end); |
| 803 | au_check_range(&start, &end); |
| 804 | } |
| 805 | } |
| 806 | else // single line |
| 807 | { |
| 808 | // do the right thing with Enter presses depending on whether we have |
| 809 | // wxTE_PROCESS_ENTER or not |
| 810 | GTKSetActivatesDefault(); |
| 811 | } |
| 812 | |
| 813 | |
| 814 | g_signal_connect (m_text, "copy-clipboard", |
| 815 | G_CALLBACK (gtk_copy_clipboard_callback), this); |
| 816 | g_signal_connect (m_text, "cut-clipboard", |
| 817 | G_CALLBACK (gtk_cut_clipboard_callback), this); |
| 818 | g_signal_connect (m_text, "paste-clipboard", |
| 819 | G_CALLBACK (gtk_paste_clipboard_callback), this); |
| 820 | |
| 821 | m_cursor = wxCursor( wxCURSOR_IBEAM ); |
| 822 | |
| 823 | return true; |
| 824 | } |
| 825 | |
| 826 | GtkEditable *wxTextCtrl::GetEditable() const |
| 827 | { |
| 828 | wxCHECK_MSG( IsSingleLine(), NULL, "shouldn't be called for multiline" ); |
| 829 | |
| 830 | return GTK_EDITABLE(m_text); |
| 831 | } |
| 832 | |
| 833 | GtkEntry *wxTextCtrl::GetEntry() const |
| 834 | { |
| 835 | return GTK_ENTRY(m_text); |
| 836 | } |
| 837 | |
| 838 | // ---------------------------------------------------------------------------- |
| 839 | // flags handling |
| 840 | // ---------------------------------------------------------------------------- |
| 841 | |
| 842 | void wxTextCtrl::GTKSetEditable() |
| 843 | { |
| 844 | gboolean editable = !HasFlag(wxTE_READONLY); |
| 845 | if ( IsSingleLine() ) |
| 846 | gtk_editable_set_editable(GTK_EDITABLE(m_text), editable); |
| 847 | else |
| 848 | gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable); |
| 849 | } |
| 850 | |
| 851 | void wxTextCtrl::GTKSetVisibility() |
| 852 | { |
| 853 | wxCHECK_RET( IsSingleLine(), |
| 854 | "wxTE_PASSWORD is for single line text controls only" ); |
| 855 | |
| 856 | gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD)); |
| 857 | } |
| 858 | |
| 859 | void wxTextCtrl::GTKSetActivatesDefault() |
| 860 | { |
| 861 | wxCHECK_RET( IsSingleLine(), |
| 862 | "wxTE_PROCESS_ENTER is for single line text controls only" ); |
| 863 | |
| 864 | gtk_entry_set_activates_default(GTK_ENTRY(m_text), |
| 865 | !HasFlag(wxTE_PROCESS_ENTER)); |
| 866 | } |
| 867 | |
| 868 | void wxTextCtrl::GTKSetWrapMode() |
| 869 | { |
| 870 | // no wrapping in single line controls |
| 871 | if ( !IsMultiLine() ) |
| 872 | return; |
| 873 | |
| 874 | // translate wx wrapping style to GTK+ |
| 875 | GtkWrapMode wrap; |
| 876 | if ( HasFlag( wxTE_DONTWRAP ) ) |
| 877 | wrap = GTK_WRAP_NONE; |
| 878 | else if ( HasFlag( wxTE_CHARWRAP ) ) |
| 879 | wrap = GTK_WRAP_CHAR; |
| 880 | else if ( HasFlag( wxTE_WORDWRAP ) ) |
| 881 | wrap = GTK_WRAP_WORD; |
| 882 | else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0 |
| 883 | wrap = GTK_WRAP_WORD_CHAR; |
| 884 | |
| 885 | gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap ); |
| 886 | } |
| 887 | |
| 888 | void wxTextCtrl::GTKSetJustification() |
| 889 | { |
| 890 | if ( IsMultiLine() ) |
| 891 | { |
| 892 | GtkJustification just; |
| 893 | if ( HasFlag(wxTE_RIGHT) ) |
| 894 | just = GTK_JUSTIFY_RIGHT; |
| 895 | else if ( HasFlag(wxTE_CENTRE) ) |
| 896 | just = GTK_JUSTIFY_CENTER; |
| 897 | else // wxTE_LEFT == 0 |
| 898 | just = GTK_JUSTIFY_LEFT; |
| 899 | |
| 900 | gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just); |
| 901 | } |
| 902 | else // single line |
| 903 | { |
| 904 | gfloat align; |
| 905 | if ( HasFlag(wxTE_RIGHT) ) |
| 906 | align = 1.0; |
| 907 | else if ( HasFlag(wxTE_CENTRE) ) |
| 908 | align = 0.5; |
| 909 | else // single line |
| 910 | align = 0.0; |
| 911 | |
| 912 | gtk_entry_set_alignment(GTK_ENTRY(m_text), align); |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | void wxTextCtrl::SetWindowStyleFlag(long style) |
| 917 | { |
| 918 | long styleOld = GetWindowStyleFlag(); |
| 919 | |
| 920 | wxTextCtrlBase::SetWindowStyleFlag(style); |
| 921 | |
| 922 | if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) ) |
| 923 | GTKSetEditable(); |
| 924 | |
| 925 | if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) ) |
| 926 | GTKSetVisibility(); |
| 927 | |
| 928 | if ( (style & wxTE_PROCESS_ENTER) != (styleOld & wxTE_PROCESS_ENTER) ) |
| 929 | GTKSetActivatesDefault(); |
| 930 | |
| 931 | static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP; |
| 932 | if ( (style & flagsWrap) != (styleOld & flagsWrap) ) |
| 933 | GTKSetWrapMode(); |
| 934 | |
| 935 | static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT; |
| 936 | if ( (style & flagsAlign) != (styleOld & flagsAlign) ) |
| 937 | GTKSetJustification(); |
| 938 | } |
| 939 | |
| 940 | // ---------------------------------------------------------------------------- |
| 941 | // control value |
| 942 | // ---------------------------------------------------------------------------- |
| 943 | |
| 944 | wxString wxTextCtrl::GetValue() const |
| 945 | { |
| 946 | wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") ); |
| 947 | |
| 948 | if ( IsMultiLine() ) |
| 949 | { |
| 950 | GtkTextIter start; |
| 951 | gtk_text_buffer_get_start_iter( m_buffer, &start ); |
| 952 | GtkTextIter end; |
| 953 | gtk_text_buffer_get_end_iter( m_buffer, &end ); |
| 954 | wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true)); |
| 955 | |
| 956 | return wxGTK_CONV_BACK(text); |
| 957 | } |
| 958 | else // single line |
| 959 | { |
| 960 | return wxTextEntry::GetValue(); |
| 961 | } |
| 962 | } |
| 963 | |
| 964 | wxFontEncoding wxTextCtrl::GetTextEncoding() const |
| 965 | { |
| 966 | // GTK+ uses UTF-8 internally, we need to convert to it but from which |
| 967 | // encoding? |
| 968 | |
| 969 | // first check the default text style (we intentionally don't check the |
| 970 | // style for the current position as it doesn't make sense for SetValue()) |
| 971 | const wxTextAttr& style = GetDefaultStyle(); |
| 972 | wxFontEncoding enc = style.HasFontEncoding() ? style.GetFontEncoding() |
| 973 | : wxFONTENCODING_SYSTEM; |
| 974 | |
| 975 | // fall back to the controls font if no style |
| 976 | if ( enc == wxFONTENCODING_SYSTEM && m_hasFont ) |
| 977 | enc = GetFont().GetEncoding(); |
| 978 | |
| 979 | return enc; |
| 980 | } |
| 981 | |
| 982 | bool wxTextCtrl::IsEmpty() const |
| 983 | { |
| 984 | if ( IsMultiLine() ) |
| 985 | return gtk_text_buffer_get_char_count(m_buffer) == 0; |
| 986 | |
| 987 | return wxTextEntry::IsEmpty(); |
| 988 | } |
| 989 | |
| 990 | void wxTextCtrl::DoSetValue( const wxString &value, int flags ) |
| 991 | { |
| 992 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 993 | |
| 994 | m_modified = false; |
| 995 | |
| 996 | if ( !IsMultiLine() ) |
| 997 | { |
| 998 | wxTextEntry::DoSetValue(value, flags); |
| 999 | return; |
| 1000 | } |
| 1001 | |
| 1002 | if (value.IsEmpty()) |
| 1003 | { |
| 1004 | if ( !(flags & SetValue_SendEvent) ) |
| 1005 | EnableTextChangedEvents(false); |
| 1006 | |
| 1007 | gtk_text_buffer_set_text( m_buffer, "", 0 ); |
| 1008 | |
| 1009 | if ( !(flags & SetValue_SendEvent) ) |
| 1010 | EnableTextChangedEvents(true); |
| 1011 | |
| 1012 | return; |
| 1013 | } |
| 1014 | |
| 1015 | #if wxUSE_UNICODE |
| 1016 | const wxCharBuffer buffer(value.utf8_str()); |
| 1017 | #else |
| 1018 | wxFontEncoding enc = m_defaultStyle.HasFont() |
| 1019 | ? m_defaultStyle.GetFont().GetEncoding() |
| 1020 | : wxFONTENCODING_SYSTEM; |
| 1021 | if ( enc == wxFONTENCODING_SYSTEM ) |
| 1022 | enc = GetTextEncoding(); |
| 1023 | |
| 1024 | const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc)); |
| 1025 | if ( !buffer ) |
| 1026 | { |
| 1027 | // see comment in WriteText() as to why we must warn the user about |
| 1028 | // this |
| 1029 | wxLogWarning(_("Failed to set text in the text control.")); |
| 1030 | return; |
| 1031 | } |
| 1032 | #endif |
| 1033 | |
| 1034 | if ( !(flags & SetValue_SendEvent) ) |
| 1035 | { |
| 1036 | EnableTextChangedEvents(false); |
| 1037 | } |
| 1038 | |
| 1039 | gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) ); |
| 1040 | |
| 1041 | if ( !m_defaultStyle.IsDefault() ) |
| 1042 | { |
| 1043 | GtkTextIter start, end; |
| 1044 | gtk_text_buffer_get_bounds( m_buffer, &start, &end ); |
| 1045 | wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle, |
| 1046 | &start, &end); |
| 1047 | } |
| 1048 | |
| 1049 | if ( !(flags & SetValue_SendEvent) ) |
| 1050 | { |
| 1051 | EnableTextChangedEvents(true); |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | void wxTextCtrl::WriteText( const wxString &text ) |
| 1056 | { |
| 1057 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1058 | |
| 1059 | // we're changing the text programmatically |
| 1060 | DontMarkDirtyOnNextChange(); |
| 1061 | |
| 1062 | if ( !IsMultiLine() ) |
| 1063 | { |
| 1064 | wxTextEntry::WriteText(text); |
| 1065 | return; |
| 1066 | } |
| 1067 | |
| 1068 | #if wxUSE_UNICODE |
| 1069 | const wxCharBuffer buffer(text.utf8_str()); |
| 1070 | #else |
| 1071 | // check if we have a specific style for the current position |
| 1072 | wxFontEncoding enc = wxFONTENCODING_SYSTEM; |
| 1073 | wxTextAttr style; |
| 1074 | if ( GetStyle(GetInsertionPoint(), style) && style.HasFontEncoding() ) |
| 1075 | { |
| 1076 | enc = style.GetFontEncoding(); |
| 1077 | } |
| 1078 | |
| 1079 | if ( enc == wxFONTENCODING_SYSTEM ) |
| 1080 | enc = GetTextEncoding(); |
| 1081 | |
| 1082 | const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc)); |
| 1083 | if ( !buffer ) |
| 1084 | { |
| 1085 | // we must log an error here as losing the text like this can be a |
| 1086 | // serious problem (e.g. imagine the document edited by user being |
| 1087 | // empty instead of containing the correct text) |
| 1088 | wxLogWarning(_("Failed to insert text in the control.")); |
| 1089 | return; |
| 1090 | } |
| 1091 | #endif |
| 1092 | |
| 1093 | // First remove the selection if there is one |
| 1094 | // TODO: Is there an easier GTK specific way to do this? |
| 1095 | long from, to; |
| 1096 | GetSelection(&from, &to); |
| 1097 | if (from != to) |
| 1098 | Remove(from, to); |
| 1099 | |
| 1100 | // Insert the text |
| 1101 | wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer ); |
| 1102 | |
| 1103 | // Scroll to cursor, but only if scrollbar thumb is at the very bottom |
| 1104 | // won't work when frozen, text view is not using m_buffer then |
| 1105 | if (!IsFrozen()) |
| 1106 | { |
| 1107 | GtkAdjustment* adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget)); |
| 1108 | const double value = gtk_adjustment_get_value(adj); |
| 1109 | const double upper = gtk_adjustment_get_upper(adj); |
| 1110 | const double page_size = gtk_adjustment_get_page_size(adj); |
| 1111 | if (wxIsSameDouble(value, upper - page_size)) |
| 1112 | { |
| 1113 | gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(m_text), |
| 1114 | gtk_text_buffer_get_insert(m_buffer), 0, false, 0, 1); |
| 1115 | } |
| 1116 | } |
| 1117 | } |
| 1118 | |
| 1119 | wxString wxTextCtrl::GetLineText( long lineNo ) const |
| 1120 | { |
| 1121 | wxString result; |
| 1122 | if ( IsMultiLine() ) |
| 1123 | { |
| 1124 | GtkTextIter line; |
| 1125 | gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo); |
| 1126 | |
| 1127 | GtkTextIter end = line; |
| 1128 | // avoid skipping to the next line end if this one is empty |
| 1129 | if ( !gtk_text_iter_ends_line(&line) ) |
| 1130 | gtk_text_iter_forward_to_line_end(&end); |
| 1131 | |
| 1132 | wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true)); |
| 1133 | result = wxGTK_CONV_BACK(text); |
| 1134 | } |
| 1135 | else |
| 1136 | { |
| 1137 | if (lineNo == 0) |
| 1138 | result = GetValue(); |
| 1139 | } |
| 1140 | return result; |
| 1141 | } |
| 1142 | |
| 1143 | void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) |
| 1144 | { |
| 1145 | /* If you implement this, don't forget to update the documentation! |
| 1146 | * (file docs/latex/wx/text.tex) */ |
| 1147 | wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") ); |
| 1148 | } |
| 1149 | |
| 1150 | bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const |
| 1151 | { |
| 1152 | if ( IsMultiLine() ) |
| 1153 | { |
| 1154 | GtkTextIter iter; |
| 1155 | |
| 1156 | if (pos > GetLastPosition()) |
| 1157 | return false; |
| 1158 | |
| 1159 | gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos); |
| 1160 | |
| 1161 | if ( y ) |
| 1162 | *y = gtk_text_iter_get_line(&iter); |
| 1163 | if ( x ) |
| 1164 | *x = gtk_text_iter_get_line_offset(&iter); |
| 1165 | } |
| 1166 | else // single line control |
| 1167 | { |
| 1168 | if (pos <= gtk_entry_get_text_length(GTK_ENTRY(m_text))) |
| 1169 | { |
| 1170 | if ( y ) |
| 1171 | *y = 0; |
| 1172 | if ( x ) |
| 1173 | *x = pos; |
| 1174 | } |
| 1175 | else |
| 1176 | { |
| 1177 | // index out of bounds |
| 1178 | return false; |
| 1179 | } |
| 1180 | } |
| 1181 | |
| 1182 | return true; |
| 1183 | } |
| 1184 | |
| 1185 | long wxTextCtrl::XYToPosition(long x, long y ) const |
| 1186 | { |
| 1187 | if ( IsSingleLine() ) |
| 1188 | return 0; |
| 1189 | |
| 1190 | GtkTextIter iter; |
| 1191 | if (y >= gtk_text_buffer_get_line_count (m_buffer)) |
| 1192 | return -1; |
| 1193 | |
| 1194 | gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y); |
| 1195 | if (x >= gtk_text_iter_get_chars_in_line (&iter)) |
| 1196 | return -1; |
| 1197 | |
| 1198 | return gtk_text_iter_get_offset(&iter) + x; |
| 1199 | } |
| 1200 | |
| 1201 | int wxTextCtrl::GetLineLength(long lineNo) const |
| 1202 | { |
| 1203 | if ( IsMultiLine() ) |
| 1204 | { |
| 1205 | int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1; |
| 1206 | if (lineNo > last_line) |
| 1207 | return -1; |
| 1208 | |
| 1209 | GtkTextIter iter; |
| 1210 | gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo); |
| 1211 | // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line |
| 1212 | return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1); |
| 1213 | } |
| 1214 | else |
| 1215 | { |
| 1216 | wxString str = GetLineText (lineNo); |
| 1217 | return (int) str.length(); |
| 1218 | } |
| 1219 | } |
| 1220 | |
| 1221 | int wxTextCtrl::GetNumberOfLines() const |
| 1222 | { |
| 1223 | if ( IsMultiLine() ) |
| 1224 | { |
| 1225 | return gtk_text_buffer_get_line_count( m_buffer ); |
| 1226 | } |
| 1227 | else // single line |
| 1228 | { |
| 1229 | return 1; |
| 1230 | } |
| 1231 | } |
| 1232 | |
| 1233 | void wxTextCtrl::SetInsertionPoint( long pos ) |
| 1234 | { |
| 1235 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1236 | |
| 1237 | if ( IsMultiLine() ) |
| 1238 | { |
| 1239 | GtkTextIter iter; |
| 1240 | gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos ); |
| 1241 | gtk_text_buffer_place_cursor( m_buffer, &iter ); |
| 1242 | GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer); |
| 1243 | if (IsFrozen()) |
| 1244 | // defer until Thaw, text view is not using m_buffer now |
| 1245 | m_showPositionOnThaw = mark; |
| 1246 | else |
| 1247 | gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark); |
| 1248 | } |
| 1249 | else // single line |
| 1250 | { |
| 1251 | wxTextEntry::SetInsertionPoint(pos); |
| 1252 | } |
| 1253 | } |
| 1254 | |
| 1255 | void wxTextCtrl::SetEditable( bool editable ) |
| 1256 | { |
| 1257 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1258 | |
| 1259 | if ( IsMultiLine() ) |
| 1260 | { |
| 1261 | gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable ); |
| 1262 | } |
| 1263 | else // single line |
| 1264 | { |
| 1265 | wxTextEntry::SetEditable(editable); |
| 1266 | } |
| 1267 | } |
| 1268 | |
| 1269 | bool wxTextCtrl::Enable( bool enable ) |
| 1270 | { |
| 1271 | if (!wxWindowBase::Enable(enable)) |
| 1272 | { |
| 1273 | // nothing to do |
| 1274 | return false; |
| 1275 | } |
| 1276 | |
| 1277 | gtk_widget_set_sensitive( m_text, enable ); |
| 1278 | SetCursor(enable ? wxCursor(wxCURSOR_IBEAM) : wxCursor()); |
| 1279 | |
| 1280 | return true; |
| 1281 | } |
| 1282 | |
| 1283 | // wxGTK-specific: called recursively by Enable, |
| 1284 | // to give widgets an opportunity to correct their colours after they |
| 1285 | // have been changed by Enable |
| 1286 | void wxTextCtrl::OnEnabled(bool WXUNUSED(enable)) |
| 1287 | { |
| 1288 | // If we have a custom background colour, we use this colour in both |
| 1289 | // disabled and enabled mode, or we end up with a different colour under the |
| 1290 | // text. |
| 1291 | wxColour oldColour = GetBackgroundColour(); |
| 1292 | if (oldColour.Ok()) |
| 1293 | { |
| 1294 | // Need to set twice or it'll optimize the useful stuff out |
| 1295 | if (oldColour == * wxWHITE) |
| 1296 | SetBackgroundColour(*wxBLACK); |
| 1297 | else |
| 1298 | SetBackgroundColour(*wxWHITE); |
| 1299 | SetBackgroundColour(oldColour); |
| 1300 | } |
| 1301 | } |
| 1302 | |
| 1303 | void wxTextCtrl::MarkDirty() |
| 1304 | { |
| 1305 | m_modified = true; |
| 1306 | } |
| 1307 | |
| 1308 | void wxTextCtrl::DiscardEdits() |
| 1309 | { |
| 1310 | m_modified = false; |
| 1311 | } |
| 1312 | |
| 1313 | // ---------------------------------------------------------------------------- |
| 1314 | // event handling |
| 1315 | // ---------------------------------------------------------------------------- |
| 1316 | |
| 1317 | void wxTextCtrl::EnableTextChangedEvents(bool enable) |
| 1318 | { |
| 1319 | if ( enable ) |
| 1320 | { |
| 1321 | g_signal_handlers_unblock_by_func(GetTextObject(), |
| 1322 | (gpointer)gtk_text_changed_callback, this); |
| 1323 | } |
| 1324 | else // disable events |
| 1325 | { |
| 1326 | g_signal_handlers_block_by_func(GetTextObject(), |
| 1327 | (gpointer)gtk_text_changed_callback, this); |
| 1328 | } |
| 1329 | } |
| 1330 | |
| 1331 | bool wxTextCtrl::IgnoreTextUpdate() |
| 1332 | { |
| 1333 | if ( m_countUpdatesToIgnore > 0 ) |
| 1334 | { |
| 1335 | m_countUpdatesToIgnore--; |
| 1336 | |
| 1337 | return true; |
| 1338 | } |
| 1339 | |
| 1340 | return false; |
| 1341 | } |
| 1342 | |
| 1343 | bool wxTextCtrl::MarkDirtyOnChange() |
| 1344 | { |
| 1345 | if ( m_dontMarkDirty ) |
| 1346 | { |
| 1347 | m_dontMarkDirty = false; |
| 1348 | |
| 1349 | return false; |
| 1350 | } |
| 1351 | |
| 1352 | return true; |
| 1353 | } |
| 1354 | |
| 1355 | void wxTextCtrl::SetSelection( long from, long to ) |
| 1356 | { |
| 1357 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1358 | |
| 1359 | if ( IsMultiLine() ) |
| 1360 | { |
| 1361 | if (from == -1 && to == -1) |
| 1362 | { |
| 1363 | from = 0; |
| 1364 | to = GetValue().length(); |
| 1365 | } |
| 1366 | |
| 1367 | GtkTextIter fromi, toi; |
| 1368 | gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from ); |
| 1369 | gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to ); |
| 1370 | |
| 1371 | gtk_text_buffer_select_range( m_buffer, &fromi, &toi ); |
| 1372 | } |
| 1373 | else // single line |
| 1374 | { |
| 1375 | wxTextEntry::SetSelection(from, to); |
| 1376 | } |
| 1377 | } |
| 1378 | |
| 1379 | void wxTextCtrl::ShowPosition( long pos ) |
| 1380 | { |
| 1381 | if (IsMultiLine()) |
| 1382 | { |
| 1383 | GtkTextIter iter; |
| 1384 | gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos)); |
| 1385 | GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition"); |
| 1386 | gtk_text_buffer_move_mark(m_buffer, mark, &iter); |
| 1387 | if (IsFrozen()) |
| 1388 | // defer until Thaw, text view is not using m_buffer now |
| 1389 | m_showPositionOnThaw = mark; |
| 1390 | else |
| 1391 | gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark); |
| 1392 | } |
| 1393 | } |
| 1394 | |
| 1395 | wxTextCtrlHitTestResult |
| 1396 | wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const |
| 1397 | { |
| 1398 | if ( !IsMultiLine() ) |
| 1399 | { |
| 1400 | // not supported |
| 1401 | return wxTE_HT_UNKNOWN; |
| 1402 | } |
| 1403 | |
| 1404 | int x, y; |
| 1405 | gtk_text_view_window_to_buffer_coords |
| 1406 | ( |
| 1407 | GTK_TEXT_VIEW(m_text), |
| 1408 | GTK_TEXT_WINDOW_TEXT, |
| 1409 | pt.x, pt.y, |
| 1410 | &x, &y |
| 1411 | ); |
| 1412 | |
| 1413 | GtkTextIter iter; |
| 1414 | gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y); |
| 1415 | if ( pos ) |
| 1416 | *pos = gtk_text_iter_get_offset(&iter); |
| 1417 | |
| 1418 | return wxTE_HT_ON_TEXT; |
| 1419 | } |
| 1420 | |
| 1421 | long wxTextCtrl::GetInsertionPoint() const |
| 1422 | { |
| 1423 | wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); |
| 1424 | |
| 1425 | if ( IsMultiLine() ) |
| 1426 | { |
| 1427 | // There is no direct accessor for the cursor, but |
| 1428 | // internally, the cursor is the "mark" called |
| 1429 | // "insert" in the text view's btree structure. |
| 1430 | |
| 1431 | GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer ); |
| 1432 | GtkTextIter cursor; |
| 1433 | gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark ); |
| 1434 | |
| 1435 | return gtk_text_iter_get_offset( &cursor ); |
| 1436 | } |
| 1437 | else |
| 1438 | { |
| 1439 | return wxTextEntry::GetInsertionPoint(); |
| 1440 | } |
| 1441 | } |
| 1442 | |
| 1443 | wxTextPos wxTextCtrl::GetLastPosition() const |
| 1444 | { |
| 1445 | wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); |
| 1446 | |
| 1447 | int pos = 0; |
| 1448 | |
| 1449 | if ( IsMultiLine() ) |
| 1450 | { |
| 1451 | GtkTextIter end; |
| 1452 | gtk_text_buffer_get_end_iter( m_buffer, &end ); |
| 1453 | |
| 1454 | pos = gtk_text_iter_get_offset( &end ); |
| 1455 | } |
| 1456 | else // single line |
| 1457 | { |
| 1458 | pos = wxTextEntry::GetLastPosition(); |
| 1459 | } |
| 1460 | |
| 1461 | return (long)pos; |
| 1462 | } |
| 1463 | |
| 1464 | void wxTextCtrl::Remove( long from, long to ) |
| 1465 | { |
| 1466 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1467 | |
| 1468 | if ( IsMultiLine() ) |
| 1469 | { |
| 1470 | GtkTextIter fromi, toi; |
| 1471 | gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from ); |
| 1472 | gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to ); |
| 1473 | |
| 1474 | gtk_text_buffer_delete( m_buffer, &fromi, &toi ); |
| 1475 | } |
| 1476 | else // single line |
| 1477 | { |
| 1478 | wxTextEntry::Remove(from, to); |
| 1479 | } |
| 1480 | } |
| 1481 | |
| 1482 | void wxTextCtrl::Cut() |
| 1483 | { |
| 1484 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1485 | |
| 1486 | if ( IsMultiLine() ) |
| 1487 | g_signal_emit_by_name (m_text, "cut-clipboard"); |
| 1488 | else |
| 1489 | wxTextEntry::Cut(); |
| 1490 | } |
| 1491 | |
| 1492 | void wxTextCtrl::Copy() |
| 1493 | { |
| 1494 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1495 | |
| 1496 | if ( IsMultiLine() ) |
| 1497 | g_signal_emit_by_name (m_text, "copy-clipboard"); |
| 1498 | else |
| 1499 | wxTextEntry::Copy(); |
| 1500 | } |
| 1501 | |
| 1502 | void wxTextCtrl::Paste() |
| 1503 | { |
| 1504 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1505 | |
| 1506 | if ( IsMultiLine() ) |
| 1507 | g_signal_emit_by_name (m_text, "paste-clipboard"); |
| 1508 | else |
| 1509 | wxTextEntry::Paste(); |
| 1510 | } |
| 1511 | |
| 1512 | // If the return values from and to are the same, there is no |
| 1513 | // selection. |
| 1514 | void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const |
| 1515 | { |
| 1516 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1517 | |
| 1518 | if ( !IsMultiLine() ) |
| 1519 | { |
| 1520 | wxTextEntry::GetSelection(fromOut, toOut); |
| 1521 | return; |
| 1522 | } |
| 1523 | |
| 1524 | gint from, to; |
| 1525 | |
| 1526 | GtkTextIter ifrom, ito; |
| 1527 | if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) ) |
| 1528 | { |
| 1529 | from = gtk_text_iter_get_offset(&ifrom); |
| 1530 | to = gtk_text_iter_get_offset(&ito); |
| 1531 | |
| 1532 | if ( from > to ) |
| 1533 | { |
| 1534 | // exchange them to be compatible with wxMSW |
| 1535 | gint tmp = from; |
| 1536 | from = to; |
| 1537 | to = tmp; |
| 1538 | } |
| 1539 | } |
| 1540 | else // no selection |
| 1541 | { |
| 1542 | from = |
| 1543 | to = GetInsertionPoint(); |
| 1544 | } |
| 1545 | |
| 1546 | if ( fromOut ) |
| 1547 | *fromOut = from; |
| 1548 | if ( toOut ) |
| 1549 | *toOut = to; |
| 1550 | } |
| 1551 | |
| 1552 | |
| 1553 | bool wxTextCtrl::IsEditable() const |
| 1554 | { |
| 1555 | wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); |
| 1556 | |
| 1557 | if ( IsMultiLine() ) |
| 1558 | { |
| 1559 | return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text)); |
| 1560 | } |
| 1561 | else |
| 1562 | { |
| 1563 | return wxTextEntry::IsEditable(); |
| 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | bool wxTextCtrl::IsModified() const |
| 1568 | { |
| 1569 | return m_modified; |
| 1570 | } |
| 1571 | |
| 1572 | void wxTextCtrl::OnChar( wxKeyEvent &key_event ) |
| 1573 | { |
| 1574 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1575 | |
| 1576 | if ( key_event.GetKeyCode() == WXK_RETURN ) |
| 1577 | { |
| 1578 | if ( HasFlag(wxTE_PROCESS_ENTER) ) |
| 1579 | { |
| 1580 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); |
| 1581 | event.SetEventObject(this); |
| 1582 | event.SetString(GetValue()); |
| 1583 | if ( HandleWindowEvent(event) ) |
| 1584 | return; |
| 1585 | } |
| 1586 | } |
| 1587 | |
| 1588 | key_event.Skip(); |
| 1589 | } |
| 1590 | |
| 1591 | GtkWidget* wxTextCtrl::GetConnectWidget() |
| 1592 | { |
| 1593 | return GTK_WIDGET(m_text); |
| 1594 | } |
| 1595 | |
| 1596 | GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const |
| 1597 | { |
| 1598 | if ( IsMultiLine() ) |
| 1599 | { |
| 1600 | return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text), |
| 1601 | GTK_TEXT_WINDOW_TEXT ); |
| 1602 | } |
| 1603 | else |
| 1604 | { |
| 1605 | return gtk_entry_get_text_window(GTK_ENTRY(m_text)); |
| 1606 | } |
| 1607 | } |
| 1608 | |
| 1609 | // the font will change for subsequent text insertiongs |
| 1610 | bool wxTextCtrl::SetFont( const wxFont &font ) |
| 1611 | { |
| 1612 | wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); |
| 1613 | |
| 1614 | if ( !wxTextCtrlBase::SetFont(font) ) |
| 1615 | { |
| 1616 | // font didn't change, nothing to do |
| 1617 | return false; |
| 1618 | } |
| 1619 | |
| 1620 | if ( IsMultiLine() ) |
| 1621 | { |
| 1622 | SetUpdateFont(true); |
| 1623 | |
| 1624 | m_defaultStyle.SetFont(font); |
| 1625 | |
| 1626 | ChangeFontGlobally(); |
| 1627 | } |
| 1628 | |
| 1629 | return true; |
| 1630 | } |
| 1631 | |
| 1632 | void wxTextCtrl::ChangeFontGlobally() |
| 1633 | { |
| 1634 | // this method is very inefficient and hence should be called as rarely as |
| 1635 | // possible! |
| 1636 | // |
| 1637 | // TODO: it can be implemented much more efficiently for GTK2 |
| 1638 | wxASSERT_MSG( IsMultiLine(), |
| 1639 | wxT("shouldn't be called for single line controls") ); |
| 1640 | |
| 1641 | wxString value = GetValue(); |
| 1642 | if ( !value.empty() ) |
| 1643 | { |
| 1644 | SetUpdateFont(false); |
| 1645 | |
| 1646 | Clear(); |
| 1647 | AppendText(value); |
| 1648 | } |
| 1649 | } |
| 1650 | |
| 1651 | bool wxTextCtrl::SetForegroundColour(const wxColour& colour) |
| 1652 | { |
| 1653 | if ( !wxControl::SetForegroundColour(colour) ) |
| 1654 | return false; |
| 1655 | |
| 1656 | // update default fg colour too |
| 1657 | m_defaultStyle.SetTextColour(colour); |
| 1658 | |
| 1659 | return true; |
| 1660 | } |
| 1661 | |
| 1662 | bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) |
| 1663 | { |
| 1664 | wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); |
| 1665 | |
| 1666 | if ( !wxControl::SetBackgroundColour( colour ) ) |
| 1667 | return false; |
| 1668 | |
| 1669 | if (!m_backgroundColour.Ok()) |
| 1670 | return false; |
| 1671 | |
| 1672 | // change active background color too |
| 1673 | m_defaultStyle.SetBackgroundColour( colour ); |
| 1674 | |
| 1675 | return true; |
| 1676 | } |
| 1677 | |
| 1678 | bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) |
| 1679 | { |
| 1680 | if ( IsMultiLine() ) |
| 1681 | { |
| 1682 | if ( style.IsDefault() ) |
| 1683 | { |
| 1684 | // nothing to do |
| 1685 | return true; |
| 1686 | } |
| 1687 | |
| 1688 | gint l = gtk_text_buffer_get_char_count( m_buffer ); |
| 1689 | |
| 1690 | wxCHECK_MSG( start >= 0 && end <= l, false, |
| 1691 | wxT("invalid range in wxTextCtrl::SetStyle") ); |
| 1692 | |
| 1693 | GtkTextIter starti, endi; |
| 1694 | gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start ); |
| 1695 | gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end ); |
| 1696 | |
| 1697 | wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi ); |
| 1698 | |
| 1699 | return true; |
| 1700 | } |
| 1701 | //else: single line text controls don't support styles |
| 1702 | |
| 1703 | return false; |
| 1704 | } |
| 1705 | |
| 1706 | bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) |
| 1707 | { |
| 1708 | if ( !IsMultiLine() ) |
| 1709 | { |
| 1710 | // no styles for GtkEntry |
| 1711 | return false; |
| 1712 | } |
| 1713 | |
| 1714 | gint l = gtk_text_buffer_get_char_count( m_buffer ); |
| 1715 | |
| 1716 | wxCHECK_MSG( position >= 0 && position <= l, false, |
| 1717 | wxT("invalid range in wxTextCtrl::GetStyle") ); |
| 1718 | |
| 1719 | GtkTextIter positioni; |
| 1720 | gtk_text_buffer_get_iter_at_offset(m_buffer, &positioni, position); |
| 1721 | |
| 1722 | // Obtain a copy of the default attributes |
| 1723 | GtkTextAttributes * const |
| 1724 | pattr = gtk_text_view_get_default_attributes(GTK_TEXT_VIEW(m_text)); |
| 1725 | wxON_BLOCK_EXIT1( g_free, pattr ); |
| 1726 | |
| 1727 | // And query GTK for the attributes at the given position using it as base |
| 1728 | if ( !gtk_text_iter_get_attributes(&positioni, pattr) ) |
| 1729 | { |
| 1730 | style = m_defaultStyle; |
| 1731 | } |
| 1732 | else // have custom attributes |
| 1733 | { |
| 1734 | style.SetBackgroundColour(pattr->appearance.bg_color); |
| 1735 | style.SetTextColour(pattr->appearance.fg_color); |
| 1736 | |
| 1737 | const wxGtkString |
| 1738 | pangoFontString(pango_font_description_to_string(pattr->font)); |
| 1739 | |
| 1740 | wxFont font; |
| 1741 | if ( font.SetNativeFontInfo(wxString(pangoFontString)) ) |
| 1742 | style.SetFont(font); |
| 1743 | |
| 1744 | // TODO: set alignment, tabs and indents |
| 1745 | } |
| 1746 | |
| 1747 | return true; |
| 1748 | } |
| 1749 | |
| 1750 | void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) |
| 1751 | { |
| 1752 | gtk_widget_modify_style(m_text, style); |
| 1753 | } |
| 1754 | |
| 1755 | void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) |
| 1756 | { |
| 1757 | Cut(); |
| 1758 | } |
| 1759 | |
| 1760 | void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) |
| 1761 | { |
| 1762 | Copy(); |
| 1763 | } |
| 1764 | |
| 1765 | void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) |
| 1766 | { |
| 1767 | Paste(); |
| 1768 | } |
| 1769 | |
| 1770 | void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) |
| 1771 | { |
| 1772 | Undo(); |
| 1773 | } |
| 1774 | |
| 1775 | void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) |
| 1776 | { |
| 1777 | Redo(); |
| 1778 | } |
| 1779 | |
| 1780 | void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) |
| 1781 | { |
| 1782 | event.Enable( CanCut() ); |
| 1783 | } |
| 1784 | |
| 1785 | void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) |
| 1786 | { |
| 1787 | event.Enable( CanCopy() ); |
| 1788 | } |
| 1789 | |
| 1790 | void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) |
| 1791 | { |
| 1792 | event.Enable( CanPaste() ); |
| 1793 | } |
| 1794 | |
| 1795 | void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) |
| 1796 | { |
| 1797 | event.Enable( CanUndo() ); |
| 1798 | } |
| 1799 | |
| 1800 | void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) |
| 1801 | { |
| 1802 | event.Enable( CanRedo() ); |
| 1803 | } |
| 1804 | |
| 1805 | wxSize wxTextCtrl::DoGetBestSize() const |
| 1806 | { |
| 1807 | // FIXME should be different for multi-line controls... |
| 1808 | wxSize ret( wxControl::DoGetBestSize() ); |
| 1809 | wxSize best(80, ret.y); |
| 1810 | CacheBestSize(best); |
| 1811 | return best; |
| 1812 | } |
| 1813 | |
| 1814 | // ---------------------------------------------------------------------------- |
| 1815 | // freeze/thaw |
| 1816 | // ---------------------------------------------------------------------------- |
| 1817 | |
| 1818 | void wxTextCtrl::DoFreeze() |
| 1819 | { |
| 1820 | wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl")); |
| 1821 | |
| 1822 | wxWindow::DoFreeze(); |
| 1823 | |
| 1824 | if ( HasFlag(wxTE_MULTILINE) ) |
| 1825 | { |
| 1826 | GTKFreezeWidget(m_text); |
| 1827 | |
| 1828 | // removing buffer dramatically speeds up insertion: |
| 1829 | g_object_ref(m_buffer); |
| 1830 | GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL); |
| 1831 | gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new); |
| 1832 | // gtk_text_view_set_buffer adds its own reference |
| 1833 | g_object_unref(buf_new); |
| 1834 | // These marks should be deleted when the buffer is changed, |
| 1835 | // but they are not (in GTK+ up to at least 3.0.1). |
| 1836 | // Otherwise these anonymous marks start to build up in the buffer, |
| 1837 | // and Freeze takes longer and longer each time it is called. |
| 1838 | if (m_anonymousMarkList) |
| 1839 | { |
| 1840 | for (GSList* item = m_anonymousMarkList; item; item = item->next) |
| 1841 | { |
| 1842 | GtkTextMark* mark = static_cast<GtkTextMark*>(item->data); |
| 1843 | if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark)) |
| 1844 | gtk_text_buffer_delete_mark(m_buffer, mark); |
| 1845 | } |
| 1846 | g_slist_free(m_anonymousMarkList); |
| 1847 | m_anonymousMarkList = NULL; |
| 1848 | } |
| 1849 | } |
| 1850 | } |
| 1851 | |
| 1852 | void wxTextCtrl::DoThaw() |
| 1853 | { |
| 1854 | if ( HasFlag(wxTE_MULTILINE) ) |
| 1855 | { |
| 1856 | // reattach buffer: |
| 1857 | gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList); |
| 1858 | gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer); |
| 1859 | g_object_unref(m_buffer); |
| 1860 | g_signal_handler_disconnect(m_buffer, sig_id); |
| 1861 | |
| 1862 | if (m_showPositionOnThaw != NULL) |
| 1863 | { |
| 1864 | gtk_text_view_scroll_mark_onscreen( |
| 1865 | GTK_TEXT_VIEW(m_text), m_showPositionOnThaw); |
| 1866 | m_showPositionOnThaw = NULL; |
| 1867 | } |
| 1868 | |
| 1869 | // and thaw the window |
| 1870 | GTKThawWidget(m_text); |
| 1871 | } |
| 1872 | |
| 1873 | wxWindow::DoThaw(); |
| 1874 | } |
| 1875 | |
| 1876 | // ---------------------------------------------------------------------------- |
| 1877 | // wxTextUrlEvent passing if style & wxTE_AUTO_URL |
| 1878 | // ---------------------------------------------------------------------------- |
| 1879 | |
| 1880 | // FIXME: when dragging on a link the sample gets an "Unknown event". |
| 1881 | // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or |
| 1882 | // a buggy sample, or something else |
| 1883 | void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event) |
| 1884 | { |
| 1885 | event.Skip(); |
| 1886 | if( !HasFlag(wxTE_AUTO_URL) ) |
| 1887 | return; |
| 1888 | |
| 1889 | gint x, y; |
| 1890 | GtkTextIter start, end; |
| 1891 | GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer), |
| 1892 | "wxUrl"); |
| 1893 | |
| 1894 | gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET, |
| 1895 | event.GetX(), event.GetY(), &x, &y); |
| 1896 | |
| 1897 | gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y); |
| 1898 | if (!gtk_text_iter_has_tag(&end, tag)) |
| 1899 | { |
| 1900 | SetCursor(wxCursor(wxCURSOR_IBEAM)); |
| 1901 | return; |
| 1902 | } |
| 1903 | |
| 1904 | SetCursor(wxCursor(wxCURSOR_HAND)); |
| 1905 | |
| 1906 | start = end; |
| 1907 | if(!gtk_text_iter_begins_tag(&start, tag)) |
| 1908 | gtk_text_iter_backward_to_tag_toggle(&start, tag); |
| 1909 | if(!gtk_text_iter_ends_tag(&end, tag)) |
| 1910 | gtk_text_iter_forward_to_tag_toggle(&end, tag); |
| 1911 | |
| 1912 | // Native context menu is probably not desired on an URL. |
| 1913 | // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value |
| 1914 | if(event.GetEventType() == wxEVT_RIGHT_DOWN) |
| 1915 | event.Skip(false); |
| 1916 | |
| 1917 | wxTextUrlEvent url_event(m_windowId, event, |
| 1918 | gtk_text_iter_get_offset(&start), |
| 1919 | gtk_text_iter_get_offset(&end)); |
| 1920 | |
| 1921 | InitCommandEvent(url_event); |
| 1922 | // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag) |
| 1923 | //event.Skip(!HandleWindowEvent(url_event)); |
| 1924 | HandleWindowEvent(url_event); |
| 1925 | } |
| 1926 | |
| 1927 | bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const |
| 1928 | { |
| 1929 | bool rc = wxTextCtrlBase::GTKProcessEvent(event); |
| 1930 | |
| 1931 | // GtkTextView starts a drag operation when left mouse button is pressed |
| 1932 | // and ends it when it is released and if it doesn't get the release event |
| 1933 | // the next click on a control results in an assertion failure inside |
| 1934 | // gtk_text_view_start_selection_drag() which simply *kills* the program |
| 1935 | // without anything we can do about it, so always let GTK+ have this event |
| 1936 | return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP); |
| 1937 | } |
| 1938 | |
| 1939 | // static |
| 1940 | wxVisualAttributes |
| 1941 | wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 1942 | { |
| 1943 | return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true); |
| 1944 | } |
| 1945 | |
| 1946 | #endif // wxUSE_TEXTCTRL |