| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: textctrl.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 11 | #pragma implementation "textctrl.h" |
| 12 | #endif |
| 13 | |
| 14 | // For compilers that support precompilation, includes "wx.h". |
| 15 | #include "wx/wxprec.h" |
| 16 | |
| 17 | #include "wx/textctrl.h" |
| 18 | #include "wx/utils.h" |
| 19 | #include "wx/intl.h" |
| 20 | #include "wx/log.h" |
| 21 | #include "wx/settings.h" |
| 22 | #include "wx/panel.h" |
| 23 | #include "wx/strconv.h" |
| 24 | #include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) |
| 25 | |
| 26 | #include <sys/types.h> |
| 27 | #include <sys/stat.h> |
| 28 | #include <ctype.h> |
| 29 | #include <math.h> // for fabs |
| 30 | |
| 31 | #include "wx/gtk/private.h" |
| 32 | #include <gdk/gdkkeysyms.h> |
| 33 | |
| 34 | //----------------------------------------------------------------------------- |
| 35 | // idle system |
| 36 | //----------------------------------------------------------------------------- |
| 37 | |
| 38 | extern void wxapp_install_idle_handler(); |
| 39 | extern bool g_isIdle; |
| 40 | |
| 41 | //----------------------------------------------------------------------------- |
| 42 | // data |
| 43 | //----------------------------------------------------------------------------- |
| 44 | |
| 45 | extern bool g_blockEventsOnDrag; |
| 46 | extern wxCursor g_globalCursor; |
| 47 | extern wxWindowGTK *g_delayedFocus; |
| 48 | |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | // helpers |
| 51 | // ---------------------------------------------------------------------------- |
| 52 | |
| 53 | #ifdef __WXGTK20__ |
| 54 | static void wxGtkTextInsert(GtkWidget *text, |
| 55 | GtkTextBuffer *text_buffer, |
| 56 | const wxTextAttr& attr, |
| 57 | wxCharBuffer buffer) |
| 58 | |
| 59 | { |
| 60 | PangoFontDescription *font_description = attr.HasFont() |
| 61 | ? attr.GetFont().GetNativeFontInfo()->description |
| 62 | : NULL; |
| 63 | |
| 64 | GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() |
| 65 | : NULL; |
| 66 | |
| 67 | GdkColor *colBg = attr.HasBackgroundColour() |
| 68 | ? attr.GetBackgroundColour().GetColor() |
| 69 | : NULL; |
| 70 | |
| 71 | GtkTextTag *tag; |
| 72 | tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description, |
| 73 | "foreground-gdk", colFg, |
| 74 | "background-gdk", colBg, NULL ); |
| 75 | |
| 76 | GtkTextIter iter; |
| 77 | gtk_text_buffer_get_iter_at_mark( text_buffer, &iter, |
| 78 | gtk_text_buffer_get_insert (text_buffer) ); |
| 79 | |
| 80 | gtk_text_buffer_insert_with_tags( text_buffer, &iter, buffer, strlen(buffer), tag, NULL ); |
| 81 | } |
| 82 | #else |
| 83 | static void wxGtkTextInsert(GtkWidget *text, |
| 84 | const wxTextAttr& attr, |
| 85 | const char *txt, |
| 86 | size_t len) |
| 87 | { |
| 88 | GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont() |
| 89 | : NULL; |
| 90 | |
| 91 | GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() |
| 92 | : NULL; |
| 93 | |
| 94 | GdkColor *colBg = attr.HasBackgroundColour() |
| 95 | ? attr.GetBackgroundColour().GetColor() |
| 96 | : NULL; |
| 97 | |
| 98 | gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len ); |
| 99 | } |
| 100 | #endif // GTK 1.x |
| 101 | |
| 102 | // ---------------------------------------------------------------------------- |
| 103 | // "insert_text" for GtkEntry |
| 104 | // ---------------------------------------------------------------------------- |
| 105 | |
| 106 | static void |
| 107 | gtk_insert_text_callback(GtkEditable *editable, |
| 108 | const gchar *new_text, |
| 109 | gint new_text_length, |
| 110 | gint *position, |
| 111 | wxTextCtrl *win) |
| 112 | { |
| 113 | if (g_isIdle) |
| 114 | wxapp_install_idle_handler(); |
| 115 | |
| 116 | // we should only be called if we have a max len limit at all |
| 117 | GtkEntry *entry = GTK_ENTRY (editable); |
| 118 | |
| 119 | wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") ); |
| 120 | |
| 121 | // check that we don't overflow the max length limit |
| 122 | // |
| 123 | // FIXME: this doesn't work when we paste a string which is going to be |
| 124 | // truncated |
| 125 | if ( entry->text_length == entry->text_max_length ) |
| 126 | { |
| 127 | // we don't need to run the base class version at all |
| 128 | gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text"); |
| 129 | |
| 130 | // remember that the next changed signal is to be ignored to avoid |
| 131 | // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event |
| 132 | win->IgnoreNextTextUpdate(); |
| 133 | |
| 134 | // and generate the correct one ourselves |
| 135 | wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId()); |
| 136 | event.SetEventObject(win); |
| 137 | event.SetString(win->GetValue()); |
| 138 | win->GetEventHandler()->ProcessEvent( event ); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | //----------------------------------------------------------------------------- |
| 143 | // "changed" |
| 144 | //----------------------------------------------------------------------------- |
| 145 | |
| 146 | static void |
| 147 | gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win ) |
| 148 | { |
| 149 | if ( win->IgnoreTextUpdate() ) |
| 150 | return; |
| 151 | |
| 152 | if (!win->m_hasVMT) return; |
| 153 | |
| 154 | if (g_isIdle) |
| 155 | wxapp_install_idle_handler(); |
| 156 | |
| 157 | win->SetModified(); |
| 158 | #ifndef __WXGTK20__ |
| 159 | win->UpdateFontIfNeeded(); |
| 160 | #endif // !__WXGTK20__ |
| 161 | |
| 162 | wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); |
| 163 | event.SetEventObject( win ); |
| 164 | event.SetString( win->GetValue() ); |
| 165 | win->GetEventHandler()->ProcessEvent( event ); |
| 166 | } |
| 167 | |
| 168 | //----------------------------------------------------------------------------- |
| 169 | // "changed" from vertical scrollbar |
| 170 | //----------------------------------------------------------------------------- |
| 171 | |
| 172 | #ifndef __WXGTK20__ |
| 173 | static void |
| 174 | gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) |
| 175 | { |
| 176 | if (!win->m_hasVMT) return; |
| 177 | |
| 178 | if (g_isIdle) |
| 179 | wxapp_install_idle_handler(); |
| 180 | |
| 181 | win->CalculateScrollbar(); |
| 182 | } |
| 183 | #endif |
| 184 | |
| 185 | // ---------------------------------------------------------------------------- |
| 186 | // redraw callback for multiline text |
| 187 | // ---------------------------------------------------------------------------- |
| 188 | |
| 189 | #ifndef __WXGTK20__ |
| 190 | |
| 191 | // redrawing a GtkText from inside a wxYield() call results in crashes (the |
| 192 | // text sample shows it in its "Add lines" command which shows wxProgressDialog |
| 193 | // which implicitly calls wxYield()) so we override GtkText::draw() and simply |
| 194 | // don't do anything if we're inside wxYield() |
| 195 | |
| 196 | extern bool wxIsInsideYield; |
| 197 | |
| 198 | extern "C" { |
| 199 | typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect); |
| 200 | } |
| 201 | |
| 202 | static GtkDrawCallback gs_gtk_text_draw = NULL; |
| 203 | |
| 204 | extern "C" |
| 205 | void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) |
| 206 | { |
| 207 | if ( !wxIsInsideYield ) |
| 208 | { |
| 209 | wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw, |
| 210 | _T("infinite recursion in wxgtk_text_draw aborted") ); |
| 211 | |
| 212 | gs_gtk_text_draw(widget, rect); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | #endif // __WXGTK20__ |
| 217 | |
| 218 | //----------------------------------------------------------------------------- |
| 219 | // wxTextCtrl |
| 220 | //----------------------------------------------------------------------------- |
| 221 | |
| 222 | IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) |
| 223 | |
| 224 | BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) |
| 225 | EVT_CHAR(wxTextCtrl::OnChar) |
| 226 | |
| 227 | EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) |
| 228 | EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) |
| 229 | EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) |
| 230 | EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) |
| 231 | EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) |
| 232 | |
| 233 | EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) |
| 234 | EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) |
| 235 | EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) |
| 236 | EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) |
| 237 | EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) |
| 238 | END_EVENT_TABLE() |
| 239 | |
| 240 | void wxTextCtrl::Init() |
| 241 | { |
| 242 | m_ignoreNextUpdate = |
| 243 | m_modified = FALSE; |
| 244 | SetUpdateFont(FALSE); |
| 245 | m_text = |
| 246 | m_vScrollbar = (GtkWidget *)NULL; |
| 247 | } |
| 248 | |
| 249 | wxTextCtrl::wxTextCtrl( wxWindow *parent, |
| 250 | wxWindowID id, |
| 251 | const wxString &value, |
| 252 | const wxPoint &pos, |
| 253 | const wxSize &size, |
| 254 | long style, |
| 255 | const wxValidator& validator, |
| 256 | const wxString &name ) |
| 257 | { |
| 258 | Init(); |
| 259 | |
| 260 | Create( parent, id, value, pos, size, style, validator, name ); |
| 261 | } |
| 262 | |
| 263 | bool wxTextCtrl::Create( wxWindow *parent, |
| 264 | wxWindowID id, |
| 265 | const wxString &value, |
| 266 | const wxPoint &pos, |
| 267 | const wxSize &size, |
| 268 | long style, |
| 269 | const wxValidator& validator, |
| 270 | const wxString &name ) |
| 271 | { |
| 272 | m_needParent = TRUE; |
| 273 | m_acceptsFocus = TRUE; |
| 274 | |
| 275 | if (!PreCreation( parent, pos, size ) || |
| 276 | !CreateBase( parent, id, pos, size, style, validator, name )) |
| 277 | { |
| 278 | wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); |
| 279 | return FALSE; |
| 280 | } |
| 281 | |
| 282 | |
| 283 | m_vScrollbarVisible = FALSE; |
| 284 | |
| 285 | bool multi_line = (style & wxTE_MULTILINE) != 0; |
| 286 | |
| 287 | #ifdef __WXGTK20__ |
| 288 | GtkTextBuffer *buffer = NULL; |
| 289 | #endif |
| 290 | |
| 291 | if (multi_line) |
| 292 | { |
| 293 | #ifdef __WXGTK20__ |
| 294 | // Create view |
| 295 | m_text = gtk_text_view_new(); |
| 296 | |
| 297 | buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 298 | |
| 299 | // create scrolled window |
| 300 | m_widget = gtk_scrolled_window_new( NULL, NULL ); |
| 301 | gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ), |
| 302 | GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC ); |
| 303 | |
| 304 | // Insert view into scrolled window |
| 305 | gtk_container_add( GTK_CONTAINER(m_widget), m_text ); |
| 306 | |
| 307 | // Global settings which can be overridden by tags, I guess. |
| 308 | if (HasFlag( wxHSCROLL ) || HasFlag( wxTE_DONTWRAP )) |
| 309 | gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_NONE ); |
| 310 | else |
| 311 | gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_WORD ); |
| 312 | |
| 313 | if (!HasFlag(wxNO_BORDER)) |
| 314 | gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN ); |
| 315 | |
| 316 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); |
| 317 | #else |
| 318 | // create our control ... |
| 319 | m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); |
| 320 | |
| 321 | // ... and put into the upper left hand corner of the table |
| 322 | bool bHasHScrollbar = FALSE; |
| 323 | m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE); |
| 324 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); |
| 325 | gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1, |
| 326 | (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), |
| 327 | (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), |
| 328 | 0, 0); |
| 329 | |
| 330 | // always wrap words |
| 331 | gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE ); |
| 332 | |
| 333 | // finally, put the vertical scrollbar in the upper right corner |
| 334 | m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj ); |
| 335 | GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS ); |
| 336 | gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1, |
| 337 | GTK_FILL, |
| 338 | (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), |
| 339 | 0, 0); |
| 340 | #endif |
| 341 | } |
| 342 | else |
| 343 | { |
| 344 | // a single-line text control: no need for scrollbars |
| 345 | m_widget = |
| 346 | m_text = gtk_entry_new(); |
| 347 | } |
| 348 | |
| 349 | m_parent->DoAddChild( this ); |
| 350 | |
| 351 | m_focusWidget = m_text; |
| 352 | |
| 353 | PostCreation(size); |
| 354 | |
| 355 | if (multi_line) |
| 356 | gtk_widget_show(m_text); |
| 357 | |
| 358 | #ifndef __WXGTK20__ |
| 359 | if (multi_line) |
| 360 | { |
| 361 | gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", |
| 362 | (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); |
| 363 | |
| 364 | // only initialize gs_gtk_text_draw once, starting from the next the |
| 365 | // klass::draw will already be wxgtk_text_draw |
| 366 | if ( !gs_gtk_text_draw ) |
| 367 | { |
| 368 | GtkDrawCallback& |
| 369 | draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw; |
| 370 | |
| 371 | gs_gtk_text_draw = draw; |
| 372 | |
| 373 | draw = wxgtk_text_draw; |
| 374 | } |
| 375 | } |
| 376 | #endif // GTK+ 1.x |
| 377 | |
| 378 | if (!value.IsEmpty()) |
| 379 | { |
| 380 | #ifdef __WXGTK20__ |
| 381 | SetValue( value ); |
| 382 | #else |
| 383 | |
| 384 | #if !GTK_CHECK_VERSION(1, 2, 0) |
| 385 | // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in |
| 386 | // gtk_editable_insert_text() |
| 387 | gtk_widget_realize(m_text); |
| 388 | #endif // GTK 1.0 |
| 389 | |
| 390 | gint tmp = 0; |
| 391 | #if wxUSE_UNICODE |
| 392 | wxWX2MBbuf val = value.mbc_str(); |
| 393 | gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp ); |
| 394 | #else |
| 395 | gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); |
| 396 | #endif |
| 397 | |
| 398 | if (multi_line) |
| 399 | { |
| 400 | // Bring editable's cursor uptodate. Bug in GTK. |
| 401 | SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); |
| 402 | } |
| 403 | |
| 404 | #endif |
| 405 | } |
| 406 | |
| 407 | if (style & wxTE_PASSWORD) |
| 408 | { |
| 409 | if (!multi_line) |
| 410 | gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE ); |
| 411 | } |
| 412 | |
| 413 | if (style & wxTE_READONLY) |
| 414 | { |
| 415 | if (!multi_line) |
| 416 | gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE ); |
| 417 | #ifdef __WXGTK20__ |
| 418 | else |
| 419 | gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE); |
| 420 | #else |
| 421 | } |
| 422 | else |
| 423 | { |
| 424 | if (multi_line) |
| 425 | gtk_text_set_editable( GTK_TEXT(m_text), 1 ); |
| 426 | #endif |
| 427 | } |
| 428 | |
| 429 | #ifdef __WXGTK20__ |
| 430 | if (multi_line) |
| 431 | { |
| 432 | if (style & wxTE_RIGHT) |
| 433 | gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT ); |
| 434 | else if (style & wxTE_CENTRE) |
| 435 | gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER ); |
| 436 | // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT |
| 437 | } |
| 438 | // gtk_entry_set_alignment was introduced in gtk+-2.3.5 |
| 439 | #if GTK_CHECK_VERSION(2, 3, 5) |
| 440 | else |
| 441 | { |
| 442 | if (style & wxTE_RIGHT) |
| 443 | gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 ); |
| 444 | else if (style & wxTE_CENTRE) |
| 445 | gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 ); |
| 446 | } |
| 447 | #endif // gtk+-2.3.5 |
| 448 | #endif // __WXGTK20__ |
| 449 | |
| 450 | // We want to be notified about text changes. |
| 451 | #ifdef __WXGTK20__ |
| 452 | if (multi_line) |
| 453 | { |
| 454 | g_signal_connect( G_OBJECT(buffer), "changed", |
| 455 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); |
| 456 | } |
| 457 | else |
| 458 | #endif |
| 459 | |
| 460 | { |
| 461 | gtk_signal_connect( GTK_OBJECT(m_text), "changed", |
| 462 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); |
| 463 | } |
| 464 | |
| 465 | m_cursor = wxCursor( wxCURSOR_IBEAM ); |
| 466 | |
| 467 | wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); |
| 468 | SetDefaultStyle( attrDef ); |
| 469 | |
| 470 | return TRUE; |
| 471 | } |
| 472 | |
| 473 | |
| 474 | void wxTextCtrl::CalculateScrollbar() |
| 475 | { |
| 476 | #ifndef __WXGTK20__ |
| 477 | if ((m_windowStyle & wxTE_MULTILINE) == 0) return; |
| 478 | |
| 479 | GtkAdjustment *adj = GTK_TEXT(m_text)->vadj; |
| 480 | |
| 481 | if (adj->upper - adj->page_size < 0.8) |
| 482 | { |
| 483 | if (m_vScrollbarVisible) |
| 484 | { |
| 485 | gtk_widget_hide( m_vScrollbar ); |
| 486 | m_vScrollbarVisible = FALSE; |
| 487 | } |
| 488 | } |
| 489 | else |
| 490 | { |
| 491 | if (!m_vScrollbarVisible) |
| 492 | { |
| 493 | gtk_widget_show( m_vScrollbar ); |
| 494 | m_vScrollbarVisible = TRUE; |
| 495 | } |
| 496 | } |
| 497 | #endif |
| 498 | } |
| 499 | |
| 500 | wxString wxTextCtrl::GetValue() const |
| 501 | { |
| 502 | wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") ); |
| 503 | |
| 504 | wxString tmp; |
| 505 | if (m_windowStyle & wxTE_MULTILINE) |
| 506 | { |
| 507 | #ifdef __WXGTK20__ |
| 508 | GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 509 | |
| 510 | GtkTextIter start; |
| 511 | gtk_text_buffer_get_start_iter( text_buffer, &start ); |
| 512 | GtkTextIter end; |
| 513 | gtk_text_buffer_get_end_iter( text_buffer, &end ); |
| 514 | gchar *text = gtk_text_buffer_get_text( text_buffer, &start, &end, TRUE ); |
| 515 | |
| 516 | #if wxUSE_UNICODE |
| 517 | wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) ); |
| 518 | #else |
| 519 | wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) ); |
| 520 | #endif |
| 521 | tmp = buffer; |
| 522 | |
| 523 | g_free( text ); |
| 524 | #else |
| 525 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); |
| 526 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); |
| 527 | tmp = text; |
| 528 | g_free( text ); |
| 529 | #endif |
| 530 | } |
| 531 | else |
| 532 | { |
| 533 | tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) ); |
| 534 | } |
| 535 | |
| 536 | return tmp; |
| 537 | } |
| 538 | |
| 539 | void wxTextCtrl::SetValue( const wxString &value ) |
| 540 | { |
| 541 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 542 | |
| 543 | if (m_windowStyle & wxTE_MULTILINE) |
| 544 | { |
| 545 | #ifdef __WXGTK20__ |
| 546 | |
| 547 | #if wxUSE_UNICODE |
| 548 | wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) ); |
| 549 | #else |
| 550 | wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) ); |
| 551 | #endif |
| 552 | GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 553 | gtk_text_buffer_set_text( text_buffer, buffer, strlen(buffer) ); |
| 554 | |
| 555 | #else |
| 556 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); |
| 557 | gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len ); |
| 558 | len = 0; |
| 559 | gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len ); |
| 560 | #endif |
| 561 | } |
| 562 | else |
| 563 | { |
| 564 | gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) ); |
| 565 | } |
| 566 | |
| 567 | // GRG, Jun/2000: Changed this after a lot of discussion in |
| 568 | // the lists. wxWidgets 2.2 will have a set of flags to |
| 569 | // customize this behaviour. |
| 570 | SetInsertionPoint(0); |
| 571 | |
| 572 | m_modified = FALSE; |
| 573 | } |
| 574 | |
| 575 | void wxTextCtrl::WriteText( const wxString &text ) |
| 576 | { |
| 577 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 578 | |
| 579 | if ( text.empty() ) |
| 580 | return; |
| 581 | |
| 582 | // gtk_text_changed_callback() will set m_modified to true but m_modified |
| 583 | // shouldn't be changed by the program writing to the text control itself, |
| 584 | // so save the old value and restore when we're done |
| 585 | bool oldModified = m_modified; |
| 586 | |
| 587 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 588 | { |
| 589 | #ifdef __WXGTK20__ |
| 590 | |
| 591 | #if wxUSE_UNICODE |
| 592 | wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); |
| 593 | #else |
| 594 | wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); |
| 595 | #endif |
| 596 | if ( !buffer ) |
| 597 | { |
| 598 | // what else can we do? at least don't crash... |
| 599 | return; |
| 600 | } |
| 601 | |
| 602 | GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 603 | |
| 604 | // TODO: Call whatever is needed to delete the selection. |
| 605 | wxGtkTextInsert( m_text, text_buffer, m_defaultStyle, buffer ); |
| 606 | |
| 607 | GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) ); |
| 608 | // Scroll to cursor, but only if scrollbar thumb is at the very bottom |
| 609 | if ( adj->value == adj->upper - adj->page_size ) |
| 610 | { |
| 611 | gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), |
| 612 | gtk_text_buffer_get_insert( text_buffer ), 0.0, FALSE, 0.0, 1.0 ); |
| 613 | } |
| 614 | #else // GTK 1.x |
| 615 | // After cursor movements, gtk_text_get_point() is wrong by one. |
| 616 | gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) ); |
| 617 | |
| 618 | // always use m_defaultStyle, even if it is empty as otherwise |
| 619 | // resetting the style and appending some more text wouldn't work: if |
| 620 | // we don't specify the style explicitly, the old style would be used |
| 621 | gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); |
| 622 | wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len()); |
| 623 | |
| 624 | // we called wxGtkTextInsert with correct font, no need to do anything |
| 625 | // in UpdateFontIfNeeded() any longer |
| 626 | if ( !text.empty() ) |
| 627 | { |
| 628 | SetUpdateFont(FALSE); |
| 629 | } |
| 630 | |
| 631 | // Bring editable's cursor back uptodate. |
| 632 | SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); |
| 633 | #endif // GTK 1.x/2.0 |
| 634 | } |
| 635 | else // single line |
| 636 | { |
| 637 | // First remove the selection if there is one |
| 638 | gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); |
| 639 | |
| 640 | // This moves the cursor pos to behind the inserted text. |
| 641 | gint len = GET_EDITABLE_POS(m_text); |
| 642 | |
| 643 | #ifdef __WXGTK20__ |
| 644 | |
| 645 | #if wxUSE_UNICODE |
| 646 | wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); |
| 647 | #else |
| 648 | wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); |
| 649 | #endif |
| 650 | gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len ); |
| 651 | |
| 652 | #else |
| 653 | gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len ); |
| 654 | #endif |
| 655 | |
| 656 | // Bring entry's cursor uptodate. |
| 657 | gtk_entry_set_position( GTK_ENTRY(m_text), len ); |
| 658 | } |
| 659 | |
| 660 | m_modified = oldModified; |
| 661 | } |
| 662 | |
| 663 | void wxTextCtrl::AppendText( const wxString &text ) |
| 664 | { |
| 665 | SetInsertionPointEnd(); |
| 666 | WriteText( text ); |
| 667 | } |
| 668 | |
| 669 | wxString wxTextCtrl::GetLineText( long lineNo ) const |
| 670 | { |
| 671 | if (m_windowStyle & wxTE_MULTILINE) |
| 672 | { |
| 673 | #ifndef __WXGTK20__ |
| 674 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); |
| 675 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); |
| 676 | |
| 677 | if (text) |
| 678 | { |
| 679 | wxString buf(wxT("")); |
| 680 | long i; |
| 681 | int currentLine = 0; |
| 682 | for (i = 0; currentLine != lineNo && text[i]; i++ ) |
| 683 | if (text[i] == '\n') |
| 684 | currentLine++; |
| 685 | // Now get the text |
| 686 | int j; |
| 687 | for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) |
| 688 | buf += text[i]; |
| 689 | |
| 690 | g_free( text ); |
| 691 | return buf; |
| 692 | } |
| 693 | else |
| 694 | { |
| 695 | return wxEmptyString; |
| 696 | } |
| 697 | #else |
| 698 | GtkTextBuffer *text_buffer; |
| 699 | text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(m_text)); |
| 700 | GtkTextIter line; |
| 701 | gtk_text_buffer_get_iter_at_line(text_buffer,&line,lineNo); |
| 702 | GtkTextIter end; |
| 703 | gtk_text_buffer_get_end_iter(text_buffer,&end ); |
| 704 | gchar *text = gtk_text_buffer_get_text(text_buffer,&line,&end,TRUE); |
| 705 | wxString result(wxGTK_CONV_BACK(text)); |
| 706 | g_free(text); |
| 707 | return result.BeforeFirst(wxT('\n')); |
| 708 | #endif |
| 709 | } |
| 710 | else |
| 711 | { |
| 712 | if (lineNo == 0) return GetValue(); |
| 713 | return wxEmptyString; |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) |
| 718 | { |
| 719 | /* If you implement this, don't forget to update the documentation! |
| 720 | * (file docs/latex/wx/text.tex) */ |
| 721 | wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") ); |
| 722 | } |
| 723 | |
| 724 | bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const |
| 725 | { |
| 726 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 727 | { |
| 728 | wxString text = GetValue(); |
| 729 | |
| 730 | // cast to prevent warning. But pos really should've been unsigned. |
| 731 | if( (unsigned long)pos > text.Len() ) |
| 732 | return FALSE; |
| 733 | |
| 734 | *x=0; // First Col |
| 735 | *y=0; // First Line |
| 736 | |
| 737 | const wxChar* stop = text.c_str() + pos; |
| 738 | for ( const wxChar *p = text.c_str(); p < stop; p++ ) |
| 739 | { |
| 740 | if (*p == wxT('\n')) |
| 741 | { |
| 742 | (*y)++; |
| 743 | *x=0; |
| 744 | } |
| 745 | else |
| 746 | (*x)++; |
| 747 | } |
| 748 | } |
| 749 | else // single line control |
| 750 | { |
| 751 | if ( pos <= GTK_ENTRY(m_text)->text_length ) |
| 752 | { |
| 753 | *y = 0; |
| 754 | *x = pos; |
| 755 | } |
| 756 | else |
| 757 | { |
| 758 | // index out of bounds |
| 759 | return FALSE; |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | return TRUE; |
| 764 | } |
| 765 | |
| 766 | long wxTextCtrl::XYToPosition(long x, long y ) const |
| 767 | { |
| 768 | if (!(m_windowStyle & wxTE_MULTILINE)) return 0; |
| 769 | |
| 770 | long pos=0; |
| 771 | for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n' |
| 772 | |
| 773 | pos += x; |
| 774 | return pos; |
| 775 | } |
| 776 | |
| 777 | int wxTextCtrl::GetLineLength(long lineNo) const |
| 778 | { |
| 779 | wxString str = GetLineText (lineNo); |
| 780 | return (int) str.Length(); |
| 781 | } |
| 782 | |
| 783 | int wxTextCtrl::GetNumberOfLines() const |
| 784 | { |
| 785 | if (m_windowStyle & wxTE_MULTILINE) |
| 786 | { |
| 787 | #ifdef __WXGTK20__ |
| 788 | GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 789 | |
| 790 | return gtk_text_buffer_get_line_count( buffer ); |
| 791 | #else |
| 792 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); |
| 793 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); |
| 794 | |
| 795 | if (text) |
| 796 | { |
| 797 | int currentLine = 0; |
| 798 | for (int i = 0; i < len; i++ ) |
| 799 | { |
| 800 | if (text[i] == '\n') |
| 801 | currentLine++; |
| 802 | } |
| 803 | g_free( text ); |
| 804 | |
| 805 | // currentLine is 0 based, add 1 to get number of lines |
| 806 | return currentLine + 1; |
| 807 | } |
| 808 | else |
| 809 | { |
| 810 | return 0; |
| 811 | } |
| 812 | #endif |
| 813 | } |
| 814 | else |
| 815 | { |
| 816 | return 1; |
| 817 | } |
| 818 | } |
| 819 | |
| 820 | void wxTextCtrl::SetInsertionPoint( long pos ) |
| 821 | { |
| 822 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 823 | |
| 824 | if ( IsMultiLine() ) |
| 825 | { |
| 826 | #ifdef __WXGTK20__ |
| 827 | GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 828 | GtkTextIter iter; |
| 829 | gtk_text_buffer_get_iter_at_offset( text_buffer, &iter, pos ); |
| 830 | gtk_text_buffer_place_cursor( text_buffer, &iter ); |
| 831 | gtk_text_view_scroll_mark_onscreen |
| 832 | ( |
| 833 | GTK_TEXT_VIEW(m_text), |
| 834 | gtk_text_buffer_get_insert( text_buffer ) |
| 835 | ); |
| 836 | #else // GTK+ 1.x |
| 837 | gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), |
| 838 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); |
| 839 | |
| 840 | /* we fake a set_point by inserting and deleting. as the user |
| 841 | isn't supposed to get to know about this non-sense, we |
| 842 | disconnect so that no events are sent to the user program. */ |
| 843 | |
| 844 | gint tmp = (gint)pos; |
| 845 | gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp ); |
| 846 | gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp ); |
| 847 | |
| 848 | gtk_signal_connect( GTK_OBJECT(m_text), "changed", |
| 849 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); |
| 850 | |
| 851 | // bring editable's cursor uptodate. Bug in GTK. |
| 852 | SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); |
| 853 | #endif // GTK+ 2/1 |
| 854 | } |
| 855 | else |
| 856 | { |
| 857 | gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos ); |
| 858 | |
| 859 | // Bring editable's cursor uptodate. Bug in GTK. |
| 860 | SET_EDITABLE_POS(m_text, (guint32)pos); |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | void wxTextCtrl::SetInsertionPointEnd() |
| 865 | { |
| 866 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 867 | |
| 868 | if (m_windowStyle & wxTE_MULTILINE) |
| 869 | { |
| 870 | #ifdef __WXGTK20__ |
| 871 | GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 872 | GtkTextIter end; |
| 873 | gtk_text_buffer_get_end_iter( text_buffer, &end ); |
| 874 | gtk_text_buffer_place_cursor( text_buffer, &end ); |
| 875 | #else |
| 876 | SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text))); |
| 877 | #endif |
| 878 | } |
| 879 | else |
| 880 | { |
| 881 | gtk_entry_set_position( GTK_ENTRY(m_text), -1 ); |
| 882 | } |
| 883 | } |
| 884 | |
| 885 | void wxTextCtrl::SetEditable( bool editable ) |
| 886 | { |
| 887 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 888 | |
| 889 | if (m_windowStyle & wxTE_MULTILINE) |
| 890 | { |
| 891 | #ifdef __WXGTK20__ |
| 892 | gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable ); |
| 893 | #else |
| 894 | gtk_text_set_editable( GTK_TEXT(m_text), editable ); |
| 895 | #endif |
| 896 | } |
| 897 | else |
| 898 | { |
| 899 | gtk_entry_set_editable( GTK_ENTRY(m_text), editable ); |
| 900 | } |
| 901 | } |
| 902 | |
| 903 | bool wxTextCtrl::Enable( bool enable ) |
| 904 | { |
| 905 | if (!wxWindowBase::Enable(enable)) |
| 906 | { |
| 907 | // nothing to do |
| 908 | return FALSE; |
| 909 | } |
| 910 | |
| 911 | if (m_windowStyle & wxTE_MULTILINE) |
| 912 | { |
| 913 | #ifdef __WXGTK20__ |
| 914 | SetEditable( enable ); |
| 915 | #else |
| 916 | gtk_text_set_editable( GTK_TEXT(m_text), enable ); |
| 917 | OnParentEnable(enable); |
| 918 | #endif |
| 919 | } |
| 920 | else |
| 921 | { |
| 922 | gtk_widget_set_sensitive( m_text, enable ); |
| 923 | } |
| 924 | |
| 925 | return TRUE; |
| 926 | } |
| 927 | |
| 928 | // wxGTK-specific: called recursively by Enable, |
| 929 | // to give widgets an oppprtunity to correct their colours after they |
| 930 | // have been changed by Enable |
| 931 | void wxTextCtrl::OnParentEnable( bool enable ) |
| 932 | { |
| 933 | // If we have a custom background colour, we use this colour in both |
| 934 | // disabled and enabled mode, or we end up with a different colour under the |
| 935 | // text. |
| 936 | wxColour oldColour = GetBackgroundColour(); |
| 937 | if (oldColour.Ok()) |
| 938 | { |
| 939 | // Need to set twice or it'll optimize the useful stuff out |
| 940 | if (oldColour == * wxWHITE) |
| 941 | SetBackgroundColour(*wxBLACK); |
| 942 | else |
| 943 | SetBackgroundColour(*wxWHITE); |
| 944 | SetBackgroundColour(oldColour); |
| 945 | } |
| 946 | } |
| 947 | |
| 948 | void wxTextCtrl::MarkDirty() |
| 949 | { |
| 950 | m_modified = TRUE; |
| 951 | } |
| 952 | |
| 953 | void wxTextCtrl::DiscardEdits() |
| 954 | { |
| 955 | m_modified = FALSE; |
| 956 | } |
| 957 | |
| 958 | // ---------------------------------------------------------------------------- |
| 959 | // max text length support |
| 960 | // ---------------------------------------------------------------------------- |
| 961 | |
| 962 | void wxTextCtrl::IgnoreNextTextUpdate() |
| 963 | { |
| 964 | m_ignoreNextUpdate = TRUE; |
| 965 | } |
| 966 | |
| 967 | bool wxTextCtrl::IgnoreTextUpdate() |
| 968 | { |
| 969 | if ( m_ignoreNextUpdate ) |
| 970 | { |
| 971 | m_ignoreNextUpdate = FALSE; |
| 972 | |
| 973 | return TRUE; |
| 974 | } |
| 975 | |
| 976 | return FALSE; |
| 977 | } |
| 978 | |
| 979 | void wxTextCtrl::SetMaxLength(unsigned long len) |
| 980 | { |
| 981 | if ( !HasFlag(wxTE_MULTILINE) ) |
| 982 | { |
| 983 | gtk_entry_set_max_length(GTK_ENTRY(m_text), len); |
| 984 | |
| 985 | // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if |
| 986 | // we had tried to enter more text than allowed by max text length and |
| 987 | // the text wasn't really changed |
| 988 | // |
| 989 | // to detect this and generate TEXT_MAXLEN event instead of |
| 990 | // TEXT_CHANGED one in this case we also catch "insert_text" signal |
| 991 | // |
| 992 | // when max len is set to 0 we disconnect our handler as it means that |
| 993 | // we shouldn't check anything any more |
| 994 | if ( len ) |
| 995 | { |
| 996 | gtk_signal_connect( GTK_OBJECT(m_text), |
| 997 | "insert_text", |
| 998 | GTK_SIGNAL_FUNC(gtk_insert_text_callback), |
| 999 | (gpointer)this); |
| 1000 | } |
| 1001 | else // no checking |
| 1002 | { |
| 1003 | gtk_signal_disconnect_by_func |
| 1004 | ( |
| 1005 | GTK_OBJECT(m_text), |
| 1006 | GTK_SIGNAL_FUNC(gtk_insert_text_callback), |
| 1007 | (gpointer)this |
| 1008 | ); |
| 1009 | } |
| 1010 | } |
| 1011 | } |
| 1012 | |
| 1013 | void wxTextCtrl::SetSelection( long from, long to ) |
| 1014 | { |
| 1015 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1016 | |
| 1017 | if (from == -1 && to == -1) |
| 1018 | { |
| 1019 | from = 0; |
| 1020 | to = GetValue().Length(); |
| 1021 | } |
| 1022 | |
| 1023 | #ifndef __WXGTK20__ |
| 1024 | if ( (m_windowStyle & wxTE_MULTILINE) && |
| 1025 | !GTK_TEXT(m_text)->line_start_cache ) |
| 1026 | { |
| 1027 | // tell the programmer that it didn't work |
| 1028 | wxLogDebug(_T("Can't call SetSelection() before realizing the control")); |
| 1029 | return; |
| 1030 | } |
| 1031 | #endif |
| 1032 | |
| 1033 | if (m_windowStyle & wxTE_MULTILINE) |
| 1034 | { |
| 1035 | #ifdef __WXGTK20__ |
| 1036 | GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 1037 | |
| 1038 | GtkTextIter fromi, toi; |
| 1039 | gtk_text_buffer_get_iter_at_offset( buf, &fromi, from ); |
| 1040 | gtk_text_buffer_get_iter_at_offset( buf, &toi, to ); |
| 1041 | |
| 1042 | gtk_text_buffer_place_cursor( buf, &toi ); |
| 1043 | gtk_text_buffer_move_mark_by_name( buf, "selection_bound", &fromi ); |
| 1044 | #else |
| 1045 | gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); |
| 1046 | #endif |
| 1047 | } |
| 1048 | else |
| 1049 | { |
| 1050 | gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); |
| 1051 | } |
| 1052 | } |
| 1053 | |
| 1054 | void wxTextCtrl::ShowPosition( long pos ) |
| 1055 | { |
| 1056 | if (m_windowStyle & wxTE_MULTILINE) |
| 1057 | { |
| 1058 | #ifdef __WXGTK20__ |
| 1059 | GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 1060 | GtkTextIter iter; |
| 1061 | gtk_text_buffer_get_start_iter( buf, &iter ); |
| 1062 | gtk_text_iter_set_offset( &iter, pos ); |
| 1063 | GtkTextMark *mark = gtk_text_buffer_create_mark( buf, NULL, &iter, TRUE ); |
| 1064 | gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 ); |
| 1065 | #else // GTK 1.x |
| 1066 | GtkAdjustment *vp = GTK_TEXT(m_text)->vadj; |
| 1067 | float totalLines = (float) GetNumberOfLines(); |
| 1068 | long posX; |
| 1069 | long posY; |
| 1070 | PositionToXY(pos, &posX, &posY); |
| 1071 | float posLine = (float) posY; |
| 1072 | float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower; |
| 1073 | gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p); |
| 1074 | #endif // GTK 1.x/2.x |
| 1075 | } |
| 1076 | } |
| 1077 | |
| 1078 | #ifdef __WXGTK20__ |
| 1079 | |
| 1080 | wxTextCtrlHitTestResult |
| 1081 | wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const |
| 1082 | { |
| 1083 | if ( !IsMultiLine() ) |
| 1084 | { |
| 1085 | // not supported |
| 1086 | return wxTE_HT_UNKNOWN; |
| 1087 | } |
| 1088 | |
| 1089 | int x, y; |
| 1090 | gtk_text_view_window_to_buffer_coords |
| 1091 | ( |
| 1092 | GTK_TEXT_VIEW(m_text), |
| 1093 | GTK_TEXT_WINDOW_TEXT, |
| 1094 | pt.x, pt.y, |
| 1095 | &x, &y |
| 1096 | ); |
| 1097 | |
| 1098 | GtkTextIter iter; |
| 1099 | gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y); |
| 1100 | if ( pos ) |
| 1101 | *pos = gtk_text_iter_get_offset(&iter); |
| 1102 | |
| 1103 | return wxTE_HT_ON_TEXT; |
| 1104 | } |
| 1105 | |
| 1106 | #endif // __WXGTK20__ |
| 1107 | |
| 1108 | long wxTextCtrl::GetInsertionPoint() const |
| 1109 | { |
| 1110 | wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); |
| 1111 | |
| 1112 | #ifdef __WXGTK20__ |
| 1113 | if (m_windowStyle & wxTE_MULTILINE) |
| 1114 | { |
| 1115 | GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 1116 | |
| 1117 | // There is no direct accessor for the cursor, but |
| 1118 | // internally, the cursor is the "mark" called |
| 1119 | // "insert" in the text view's btree structure. |
| 1120 | |
| 1121 | GtkTextMark *mark = gtk_text_buffer_get_insert( text_buffer ); |
| 1122 | GtkTextIter cursor; |
| 1123 | gtk_text_buffer_get_iter_at_mark( text_buffer, &cursor, mark ); |
| 1124 | |
| 1125 | return gtk_text_iter_get_offset( &cursor ); |
| 1126 | } |
| 1127 | else |
| 1128 | #endif |
| 1129 | { |
| 1130 | return (long) GET_EDITABLE_POS(m_text); |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | long wxTextCtrl::GetLastPosition() const |
| 1135 | { |
| 1136 | wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); |
| 1137 | |
| 1138 | int pos = 0; |
| 1139 | |
| 1140 | if (m_windowStyle & wxTE_MULTILINE) |
| 1141 | { |
| 1142 | #ifdef __WXGTK20__ |
| 1143 | GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 1144 | GtkTextIter end; |
| 1145 | gtk_text_buffer_get_end_iter( text_buffer, &end ); |
| 1146 | |
| 1147 | pos = gtk_text_iter_get_offset( &end ); |
| 1148 | #else |
| 1149 | pos = gtk_text_get_length( GTK_TEXT(m_text) ); |
| 1150 | #endif |
| 1151 | } |
| 1152 | else |
| 1153 | { |
| 1154 | pos = GTK_ENTRY(m_text)->text_length; |
| 1155 | } |
| 1156 | |
| 1157 | return (long)pos; |
| 1158 | } |
| 1159 | |
| 1160 | void wxTextCtrl::Remove( long from, long to ) |
| 1161 | { |
| 1162 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1163 | |
| 1164 | #ifdef __WXGTK20__ |
| 1165 | if (m_windowStyle & wxTE_MULTILINE) |
| 1166 | { |
| 1167 | GtkTextBuffer * |
| 1168 | text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 1169 | |
| 1170 | GtkTextIter fromi, toi; |
| 1171 | gtk_text_buffer_get_iter_at_offset( text_buffer, &fromi, from ); |
| 1172 | gtk_text_buffer_get_iter_at_offset( text_buffer, &toi, to ); |
| 1173 | |
| 1174 | gtk_text_buffer_delete( text_buffer, &fromi, &toi ); |
| 1175 | } |
| 1176 | else // single line |
| 1177 | #endif |
| 1178 | gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); |
| 1179 | } |
| 1180 | |
| 1181 | void wxTextCtrl::Replace( long from, long to, const wxString &value ) |
| 1182 | { |
| 1183 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1184 | |
| 1185 | Remove( from, to ); |
| 1186 | |
| 1187 | if (!value.IsEmpty()) |
| 1188 | { |
| 1189 | #ifdef __WXGTK20__ |
| 1190 | SetInsertionPoint( from ); |
| 1191 | WriteText( value ); |
| 1192 | #else // GTK 1.x |
| 1193 | gint pos = (gint)from; |
| 1194 | #if wxUSE_UNICODE |
| 1195 | wxWX2MBbuf buf = value.mbc_str(); |
| 1196 | gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos ); |
| 1197 | #else |
| 1198 | gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); |
| 1199 | #endif // wxUSE_UNICODE |
| 1200 | #endif // GTK 1.x/2.x |
| 1201 | } |
| 1202 | } |
| 1203 | |
| 1204 | void wxTextCtrl::Cut() |
| 1205 | { |
| 1206 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1207 | |
| 1208 | #ifdef __WXGTK20__ |
| 1209 | if (m_windowStyle & wxTE_MULTILINE) |
| 1210 | g_signal_emit_by_name(m_text, "cut-clipboard"); |
| 1211 | else |
| 1212 | #endif |
| 1213 | gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); |
| 1214 | } |
| 1215 | |
| 1216 | void wxTextCtrl::Copy() |
| 1217 | { |
| 1218 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1219 | |
| 1220 | #ifdef __WXGTK20__ |
| 1221 | if (m_windowStyle & wxTE_MULTILINE) |
| 1222 | g_signal_emit_by_name(m_text, "copy-clipboard"); |
| 1223 | else |
| 1224 | #endif |
| 1225 | gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); |
| 1226 | } |
| 1227 | |
| 1228 | void wxTextCtrl::Paste() |
| 1229 | { |
| 1230 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1231 | |
| 1232 | #ifdef __WXGTK20__ |
| 1233 | if (m_windowStyle & wxTE_MULTILINE) |
| 1234 | g_signal_emit_by_name(m_text, "paste-clipboard"); |
| 1235 | else |
| 1236 | #endif |
| 1237 | gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); |
| 1238 | } |
| 1239 | |
| 1240 | // Undo/redo |
| 1241 | void wxTextCtrl::Undo() |
| 1242 | { |
| 1243 | // TODO |
| 1244 | wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") ); |
| 1245 | } |
| 1246 | |
| 1247 | void wxTextCtrl::Redo() |
| 1248 | { |
| 1249 | // TODO |
| 1250 | wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") ); |
| 1251 | } |
| 1252 | |
| 1253 | bool wxTextCtrl::CanUndo() const |
| 1254 | { |
| 1255 | // TODO |
| 1256 | //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); |
| 1257 | return FALSE; |
| 1258 | } |
| 1259 | |
| 1260 | bool wxTextCtrl::CanRedo() const |
| 1261 | { |
| 1262 | // TODO |
| 1263 | //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); |
| 1264 | return FALSE; |
| 1265 | } |
| 1266 | |
| 1267 | // If the return values from and to are the same, there is no |
| 1268 | // selection. |
| 1269 | void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const |
| 1270 | { |
| 1271 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1272 | |
| 1273 | gint from = -1; |
| 1274 | gint to = -1; |
| 1275 | bool haveSelection = FALSE; |
| 1276 | |
| 1277 | #ifdef __WXGTK20__ |
| 1278 | if (m_windowStyle & wxTE_MULTILINE) |
| 1279 | { |
| 1280 | GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (m_text)); |
| 1281 | GtkTextIter ifrom, ito; |
| 1282 | if ( gtk_text_buffer_get_selection_bounds(buffer, &ifrom, &ito) ) |
| 1283 | { |
| 1284 | haveSelection = TRUE; |
| 1285 | from = gtk_text_iter_get_offset(&ifrom); |
| 1286 | to = gtk_text_iter_get_offset(&ito); |
| 1287 | } |
| 1288 | } |
| 1289 | else // not multi-line |
| 1290 | { |
| 1291 | if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text), |
| 1292 | &from, &to) ) |
| 1293 | { |
| 1294 | haveSelection = TRUE; |
| 1295 | } |
| 1296 | } |
| 1297 | #else // not GTK2 |
| 1298 | if ( (GTK_EDITABLE(m_text)->has_selection) ) |
| 1299 | { |
| 1300 | haveSelection = TRUE; |
| 1301 | from = (long) GTK_EDITABLE(m_text)->selection_start_pos; |
| 1302 | to = (long) GTK_EDITABLE(m_text)->selection_end_pos; |
| 1303 | } |
| 1304 | #endif |
| 1305 | |
| 1306 | if (! haveSelection ) |
| 1307 | from = to = GetInsertionPoint(); |
| 1308 | |
| 1309 | if ( from > to ) |
| 1310 | { |
| 1311 | // exchange them to be compatible with wxMSW |
| 1312 | gint tmp = from; |
| 1313 | from = to; |
| 1314 | to = tmp; |
| 1315 | } |
| 1316 | |
| 1317 | if ( fromOut ) |
| 1318 | *fromOut = from; |
| 1319 | if ( toOut ) |
| 1320 | *toOut = to; |
| 1321 | } |
| 1322 | |
| 1323 | |
| 1324 | bool wxTextCtrl::IsEditable() const |
| 1325 | { |
| 1326 | wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); |
| 1327 | |
| 1328 | #ifdef __WXGTK20__ |
| 1329 | if (m_windowStyle & wxTE_MULTILINE) |
| 1330 | { |
| 1331 | return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text)); |
| 1332 | } |
| 1333 | else |
| 1334 | { |
| 1335 | return gtk_editable_get_editable(GTK_EDITABLE(m_text)); |
| 1336 | } |
| 1337 | #else |
| 1338 | return GTK_EDITABLE(m_text)->editable; |
| 1339 | #endif |
| 1340 | } |
| 1341 | |
| 1342 | bool wxTextCtrl::IsModified() const |
| 1343 | { |
| 1344 | return m_modified; |
| 1345 | } |
| 1346 | |
| 1347 | void wxTextCtrl::Clear() |
| 1348 | { |
| 1349 | SetValue( wxT("") ); |
| 1350 | } |
| 1351 | |
| 1352 | void wxTextCtrl::OnChar( wxKeyEvent &key_event ) |
| 1353 | { |
| 1354 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); |
| 1355 | |
| 1356 | if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) |
| 1357 | { |
| 1358 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); |
| 1359 | event.SetEventObject(this); |
| 1360 | event.SetString(GetValue()); |
| 1361 | if (GetEventHandler()->ProcessEvent(event)) return; |
| 1362 | } |
| 1363 | |
| 1364 | if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE)) |
| 1365 | { |
| 1366 | // This will invoke the dialog default action, such |
| 1367 | // as the clicking the default button. |
| 1368 | |
| 1369 | wxWindow *top_frame = m_parent; |
| 1370 | while (top_frame->GetParent() && !(top_frame->IsTopLevel())) |
| 1371 | top_frame = top_frame->GetParent(); |
| 1372 | |
| 1373 | if (top_frame && GTK_IS_WINDOW(top_frame->m_widget)) |
| 1374 | { |
| 1375 | GtkWindow *window = GTK_WINDOW(top_frame->m_widget); |
| 1376 | |
| 1377 | if (window->default_widget) |
| 1378 | { |
| 1379 | gtk_widget_activate (window->default_widget); |
| 1380 | return; |
| 1381 | } |
| 1382 | } |
| 1383 | } |
| 1384 | |
| 1385 | key_event.Skip(); |
| 1386 | } |
| 1387 | |
| 1388 | GtkWidget* wxTextCtrl::GetConnectWidget() |
| 1389 | { |
| 1390 | return GTK_WIDGET(m_text); |
| 1391 | } |
| 1392 | |
| 1393 | bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) |
| 1394 | { |
| 1395 | if (m_windowStyle & wxTE_MULTILINE) |
| 1396 | { |
| 1397 | #ifdef __WXGTK20__ |
| 1398 | return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork |
| 1399 | #else |
| 1400 | return (window == GTK_TEXT(m_text)->text_area); |
| 1401 | #endif |
| 1402 | } |
| 1403 | else |
| 1404 | { |
| 1405 | return (window == GTK_ENTRY(m_text)->text_area); |
| 1406 | } |
| 1407 | } |
| 1408 | |
| 1409 | // the font will change for subsequent text insertiongs |
| 1410 | bool wxTextCtrl::SetFont( const wxFont &font ) |
| 1411 | { |
| 1412 | wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); |
| 1413 | |
| 1414 | if ( !wxTextCtrlBase::SetFont(font) ) |
| 1415 | { |
| 1416 | // font didn't change, nothing to do |
| 1417 | return FALSE; |
| 1418 | } |
| 1419 | |
| 1420 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 1421 | { |
| 1422 | SetUpdateFont(TRUE); |
| 1423 | |
| 1424 | m_defaultStyle.SetFont(font); |
| 1425 | |
| 1426 | ChangeFontGlobally(); |
| 1427 | } |
| 1428 | |
| 1429 | return TRUE; |
| 1430 | } |
| 1431 | |
| 1432 | void wxTextCtrl::ChangeFontGlobally() |
| 1433 | { |
| 1434 | // this method is very inefficient and hence should be called as rarely as |
| 1435 | // possible! |
| 1436 | // |
| 1437 | // TODO: it can be implemented much more efficiently for GTK2 |
| 1438 | #ifndef __WXGTK20__ |
| 1439 | wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont, |
| 1440 | |
| 1441 | _T("shouldn't be called for single line controls") ); |
| 1442 | #else |
| 1443 | wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE), |
| 1444 | _T("shouldn't be called for single line controls") ); |
| 1445 | #endif |
| 1446 | |
| 1447 | wxString value = GetValue(); |
| 1448 | if ( !value.IsEmpty() ) |
| 1449 | { |
| 1450 | SetUpdateFont(FALSE); |
| 1451 | |
| 1452 | Clear(); |
| 1453 | AppendText(value); |
| 1454 | } |
| 1455 | } |
| 1456 | |
| 1457 | #ifndef __WXGTK20__ |
| 1458 | |
| 1459 | void wxTextCtrl::UpdateFontIfNeeded() |
| 1460 | { |
| 1461 | if ( m_updateFont ) |
| 1462 | ChangeFontGlobally(); |
| 1463 | } |
| 1464 | |
| 1465 | #endif // GTK+ 1.x |
| 1466 | |
| 1467 | bool wxTextCtrl::SetForegroundColour(const wxColour& colour) |
| 1468 | { |
| 1469 | if ( !wxControl::SetForegroundColour(colour) ) |
| 1470 | return FALSE; |
| 1471 | |
| 1472 | // update default fg colour too |
| 1473 | m_defaultStyle.SetTextColour(colour); |
| 1474 | |
| 1475 | return TRUE; |
| 1476 | } |
| 1477 | |
| 1478 | bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) |
| 1479 | { |
| 1480 | wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); |
| 1481 | |
| 1482 | if ( !wxControl::SetBackgroundColour( colour ) ) |
| 1483 | return FALSE; |
| 1484 | |
| 1485 | if (!m_widget->window) |
| 1486 | return FALSE; |
| 1487 | |
| 1488 | if (!m_backgroundColour.Ok()) |
| 1489 | return FALSE; |
| 1490 | |
| 1491 | if (m_windowStyle & wxTE_MULTILINE) |
| 1492 | { |
| 1493 | #ifndef __WXGTK20__ |
| 1494 | GdkWindow *window = GTK_TEXT(m_text)->text_area; |
| 1495 | if (!window) |
| 1496 | return FALSE; |
| 1497 | m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); |
| 1498 | gdk_window_set_background( window, m_backgroundColour.GetColor() ); |
| 1499 | gdk_window_clear( window ); |
| 1500 | #endif |
| 1501 | } |
| 1502 | |
| 1503 | // change active background color too |
| 1504 | m_defaultStyle.SetBackgroundColour( colour ); |
| 1505 | |
| 1506 | return TRUE; |
| 1507 | } |
| 1508 | |
| 1509 | bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) |
| 1510 | { |
| 1511 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 1512 | { |
| 1513 | if ( style.IsDefault() ) |
| 1514 | { |
| 1515 | // nothing to do |
| 1516 | return TRUE; |
| 1517 | } |
| 1518 | #ifdef __WXGTK20__ |
| 1519 | GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); |
| 1520 | gint l = gtk_text_buffer_get_char_count( text_buffer ); |
| 1521 | |
| 1522 | wxCHECK_MSG( start >= 0 && end <= l, FALSE, |
| 1523 | _T("invalid range in wxTextCtrl::SetStyle") ); |
| 1524 | |
| 1525 | GtkTextIter starti, endi; |
| 1526 | gtk_text_buffer_get_iter_at_offset( text_buffer, &starti, start ); |
| 1527 | gtk_text_buffer_get_iter_at_offset( text_buffer, &endi, end ); |
| 1528 | |
| 1529 | // use the attributes from style which are set in it and fall back |
| 1530 | // first to the default style and then to the text control default |
| 1531 | // colours for the others |
| 1532 | wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this); |
| 1533 | |
| 1534 | PangoFontDescription *font_description = attr.HasFont() |
| 1535 | ? attr.GetFont().GetNativeFontInfo()->description |
| 1536 | : NULL; |
| 1537 | |
| 1538 | GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() |
| 1539 | : NULL; |
| 1540 | |
| 1541 | GdkColor *colBg = attr.HasBackgroundColour() |
| 1542 | ? attr.GetBackgroundColour().GetColor() |
| 1543 | : NULL; |
| 1544 | |
| 1545 | GtkTextTag *tag; |
| 1546 | tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description, |
| 1547 | "foreground-gdk", colFg, |
| 1548 | "background-gdk", colBg, NULL ); |
| 1549 | gtk_text_buffer_apply_tag( text_buffer, tag, &starti, &endi ); |
| 1550 | |
| 1551 | return TRUE; |
| 1552 | #else |
| 1553 | // VERY dirty way to do that - removes the required text and re-adds it |
| 1554 | // with styling (FIXME) |
| 1555 | |
| 1556 | gint l = gtk_text_get_length( GTK_TEXT(m_text) ); |
| 1557 | |
| 1558 | wxCHECK_MSG( start >= 0 && end <= l, FALSE, |
| 1559 | _T("invalid range in wxTextCtrl::SetStyle") ); |
| 1560 | |
| 1561 | gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) ); |
| 1562 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end ); |
| 1563 | wxString tmp(text,*wxConvCurrent); |
| 1564 | g_free( text ); |
| 1565 | |
| 1566 | gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end ); |
| 1567 | gtk_editable_set_position( GTK_EDITABLE(m_text), start ); |
| 1568 | |
| 1569 | #if wxUSE_UNICODE |
| 1570 | wxWX2MBbuf buf = tmp.mbc_str(); |
| 1571 | const char *txt = buf; |
| 1572 | size_t txtlen = strlen(buf); |
| 1573 | #else |
| 1574 | const char *txt = tmp; |
| 1575 | size_t txtlen = tmp.length(); |
| 1576 | #endif |
| 1577 | |
| 1578 | // use the attributes from style which are set in it and fall back |
| 1579 | // first to the default style and then to the text control default |
| 1580 | // colours for the others |
| 1581 | wxGtkTextInsert(m_text, |
| 1582 | wxTextAttr::Combine(style, m_defaultStyle, this), |
| 1583 | txt, |
| 1584 | txtlen); |
| 1585 | |
| 1586 | /* does not seem to help under GTK+ 1.2 !!! |
| 1587 | gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */ |
| 1588 | SetInsertionPoint( old_pos ); |
| 1589 | #endif |
| 1590 | return TRUE; |
| 1591 | } |
| 1592 | else // singe line |
| 1593 | { |
| 1594 | // cannot do this for GTK+'s Entry widget |
| 1595 | return FALSE; |
| 1596 | } |
| 1597 | } |
| 1598 | |
| 1599 | void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) |
| 1600 | { |
| 1601 | gtk_widget_modify_style(m_text, style); |
| 1602 | } |
| 1603 | |
| 1604 | void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) |
| 1605 | { |
| 1606 | Cut(); |
| 1607 | } |
| 1608 | |
| 1609 | void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) |
| 1610 | { |
| 1611 | Copy(); |
| 1612 | } |
| 1613 | |
| 1614 | void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) |
| 1615 | { |
| 1616 | Paste(); |
| 1617 | } |
| 1618 | |
| 1619 | void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) |
| 1620 | { |
| 1621 | Undo(); |
| 1622 | } |
| 1623 | |
| 1624 | void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) |
| 1625 | { |
| 1626 | Redo(); |
| 1627 | } |
| 1628 | |
| 1629 | void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) |
| 1630 | { |
| 1631 | event.Enable( CanCut() ); |
| 1632 | } |
| 1633 | |
| 1634 | void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) |
| 1635 | { |
| 1636 | event.Enable( CanCopy() ); |
| 1637 | } |
| 1638 | |
| 1639 | void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) |
| 1640 | { |
| 1641 | event.Enable( CanPaste() ); |
| 1642 | } |
| 1643 | |
| 1644 | void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) |
| 1645 | { |
| 1646 | event.Enable( CanUndo() ); |
| 1647 | } |
| 1648 | |
| 1649 | void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) |
| 1650 | { |
| 1651 | event.Enable( CanRedo() ); |
| 1652 | } |
| 1653 | |
| 1654 | void wxTextCtrl::OnInternalIdle() |
| 1655 | { |
| 1656 | wxCursor cursor = m_cursor; |
| 1657 | if (g_globalCursor.Ok()) cursor = g_globalCursor; |
| 1658 | |
| 1659 | if (cursor.Ok()) |
| 1660 | { |
| 1661 | #ifndef __WXGTK20__ |
| 1662 | GdkWindow *window = (GdkWindow*) NULL; |
| 1663 | if (HasFlag(wxTE_MULTILINE)) |
| 1664 | window = GTK_TEXT(m_text)->text_area; |
| 1665 | else |
| 1666 | window = GTK_ENTRY(m_text)->text_area; |
| 1667 | |
| 1668 | if (window) |
| 1669 | gdk_window_set_cursor( window, cursor.GetCursor() ); |
| 1670 | |
| 1671 | if (!g_globalCursor.Ok()) |
| 1672 | cursor = *wxSTANDARD_CURSOR; |
| 1673 | |
| 1674 | window = m_widget->window; |
| 1675 | if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget))) |
| 1676 | gdk_window_set_cursor( window, cursor.GetCursor() ); |
| 1677 | #endif |
| 1678 | } |
| 1679 | |
| 1680 | if (g_delayedFocus == this) |
| 1681 | { |
| 1682 | if (GTK_WIDGET_REALIZED(m_widget)) |
| 1683 | { |
| 1684 | gtk_widget_grab_focus( m_widget ); |
| 1685 | g_delayedFocus = NULL; |
| 1686 | } |
| 1687 | } |
| 1688 | |
| 1689 | if (wxUpdateUIEvent::CanUpdate(this)) |
| 1690 | UpdateWindowUI(wxUPDATE_UI_FROMIDLE); |
| 1691 | } |
| 1692 | |
| 1693 | wxSize wxTextCtrl::DoGetBestSize() const |
| 1694 | { |
| 1695 | // FIXME should be different for multi-line controls... |
| 1696 | wxSize ret( wxControl::DoGetBestSize() ); |
| 1697 | wxSize best(80, ret.y); |
| 1698 | CacheBestSize(best); |
| 1699 | return best; |
| 1700 | } |
| 1701 | |
| 1702 | // ---------------------------------------------------------------------------- |
| 1703 | // freeze/thaw |
| 1704 | // ---------------------------------------------------------------------------- |
| 1705 | |
| 1706 | void wxTextCtrl::Freeze() |
| 1707 | { |
| 1708 | #ifndef __WXGTK20__ |
| 1709 | if ( HasFlag(wxTE_MULTILINE) ) |
| 1710 | { |
| 1711 | gtk_text_freeze(GTK_TEXT(m_text)); |
| 1712 | } |
| 1713 | #endif |
| 1714 | } |
| 1715 | |
| 1716 | void wxTextCtrl::Thaw() |
| 1717 | { |
| 1718 | #ifndef __WXGTK20__ |
| 1719 | if ( HasFlag(wxTE_MULTILINE) ) |
| 1720 | { |
| 1721 | GTK_TEXT(m_text)->vadj->value = 0.0; |
| 1722 | |
| 1723 | gtk_text_thaw(GTK_TEXT(m_text)); |
| 1724 | } |
| 1725 | #endif |
| 1726 | } |
| 1727 | |
| 1728 | // ---------------------------------------------------------------------------- |
| 1729 | // scrolling |
| 1730 | // ---------------------------------------------------------------------------- |
| 1731 | |
| 1732 | GtkAdjustment *wxTextCtrl::GetVAdj() const |
| 1733 | { |
| 1734 | if ( !IsMultiLine() ) |
| 1735 | return NULL; |
| 1736 | |
| 1737 | #ifdef __WXGTK20__ |
| 1738 | return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget)); |
| 1739 | #else |
| 1740 | return GTK_TEXT(m_text)->vadj; |
| 1741 | #endif |
| 1742 | } |
| 1743 | |
| 1744 | bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) |
| 1745 | { |
| 1746 | float value = adj->value + diff; |
| 1747 | |
| 1748 | if ( value < 0 ) |
| 1749 | value = 0; |
| 1750 | |
| 1751 | float upper = adj->upper - adj->page_size; |
| 1752 | if ( value > upper ) |
| 1753 | value = upper; |
| 1754 | |
| 1755 | // did we noticeably change the scroll position? |
| 1756 | if ( fabs(adj->value - value) < 0.2 ) |
| 1757 | { |
| 1758 | // well, this is what Robert does in wxScrollBar, so it must be good... |
| 1759 | return FALSE; |
| 1760 | } |
| 1761 | |
| 1762 | adj->value = value; |
| 1763 | |
| 1764 | #ifdef __WXGTK20__ |
| 1765 | gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj)); |
| 1766 | #else |
| 1767 | gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed"); |
| 1768 | #endif |
| 1769 | |
| 1770 | return TRUE; |
| 1771 | } |
| 1772 | |
| 1773 | bool wxTextCtrl::ScrollLines(int lines) |
| 1774 | { |
| 1775 | GtkAdjustment *adj = GetVAdj(); |
| 1776 | if ( !adj ) |
| 1777 | return FALSE; |
| 1778 | |
| 1779 | #ifdef __WXGTK20__ |
| 1780 | int diff = (int)ceil(lines*adj->step_increment); |
| 1781 | #else |
| 1782 | // this is hardcoded to 10 in GTK+ 1.2 (great idea) |
| 1783 | int diff = 10*lines; |
| 1784 | #endif |
| 1785 | |
| 1786 | return DoScroll(adj, diff); |
| 1787 | } |
| 1788 | |
| 1789 | bool wxTextCtrl::ScrollPages(int pages) |
| 1790 | { |
| 1791 | GtkAdjustment *adj = GetVAdj(); |
| 1792 | if ( !adj ) |
| 1793 | return FALSE; |
| 1794 | |
| 1795 | return DoScroll(adj, (int)ceil(pages*adj->page_increment)); |
| 1796 | } |
| 1797 | |
| 1798 | |
| 1799 | // static |
| 1800 | wxVisualAttributes |
| 1801 | wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 1802 | { |
| 1803 | return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true); |
| 1804 | } |