src/gtk1/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "textctrl.h"
  13 #endif
  14
  15 #include "wx/textctrl.h"
  16 #include "wx/utils.h"
  17 #include <wx/intl.h>
  18
  19 //-----------------------------------------------------------------------------
  20 //  wxTextCtrl
  21 //-----------------------------------------------------------------------------
  22
  23 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
  24
  25 static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
  26 {
  27   win->SetModified();
  28 }
  29
  30
  31 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
  32 //  EVT_CHAR(wxTextCtrl::OnChar)
  33 END_EVENT_TABLE()
  34
  35 wxTextCtrl::wxTextCtrl(void) : streambuf()
  36 {
  37   if (allocate()) setp(base(),ebuf());
  38
  39   m_modified = FALSE;
  40 }
  41
  42 wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
  43       const wxPoint &pos, const wxSize &size,
  44       int style, const wxValidator& validator, const wxString &name ) : streambuf()
  45 {
  46   if (allocate()) setp(base(),ebuf());
  47
  48   m_modified = FALSE;
  49   Create( parent, id, value, pos, size, style, validator, name );
  50 }
  51
  52 bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
  53       const wxPoint &pos, const wxSize &size,
  54       int style, const wxValidator& validator, const wxString &name )
  55 {
  56   m_needParent = TRUE;
  57
  58   PreCreation( parent, id, pos, size, style, name );
  59
  60   SetValidator( validator );
  61
  62   bool bMultiLine = (style & wxTE_MULTILINE) != 0;
  63   if ( bMultiLine )
  64   {
  65     // a multi-line edit control: create a vertical scrollbar by default and
  66     // horizontal if requested
  67     bool bHasHScrollbar = (style & wxHSCROLL) != 0;
  68
  69     // create our control...
  70     m_text = gtk_text_new( NULL, NULL );
  71
  72     // ... and put into the upper left hand corner of the table
  73     m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
  74     gtk_table_attach(GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
  75                      GTK_FILL | GTK_EXPAND,
  76                      GTK_FILL | GTK_EXPAND | GTK_SHRINK,
  77                      0, 0);
  78
  79     // put the horizontal scrollbar in the lower left hand corner
  80     if ( bHasHScrollbar ) {
  81       GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
  82       gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2,
  83                        GTK_EXPAND | GTK_FILL,
  84                        GTK_FILL,
  85                        0, 0);
  86       gtk_widget_show(hscrollbar);
  87     }
  88
  89     // finally, put the vertical scrollbar in the upper right corner
  90     GtkWidget *vscrollbar = gtk_vscrollbar_new(GTK_TEXT(m_text)->vadj);
  91     gtk_table_attach(GTK_TABLE(m_widget), vscrollbar, 1, 2, 0, 1,
  92                      GTK_FILL,
  93                      GTK_EXPAND | GTK_FILL | GTK_SHRINK,
  94                      0, 0);
  95     gtk_widget_show(vscrollbar);
  96   }
  97   else {
  98     // a single-line text control: no need for scrollbars
  99     m_widget =
 100     m_text = gtk_entry_new();
 101   }
 102
 103   wxSize newSize = size;
 104   if (newSize.x == -1) newSize.x = 80;
 105   if (newSize.y == -1) newSize.y = 26;
 106   SetSize( newSize.x, newSize.y );
 107
 108   PostCreation();
 109
 110   if ( bMultiLine ) {
 111     gtk_widget_realize(m_text);
 112     gtk_widget_show(m_text);
 113   }
 114
 115   // we want to be notified about text changes
 116   gtk_signal_connect(GTK_OBJECT(m_text), "changed",
 117                      GTK_SIGNAL_FUNC(gtk_text_changed_callback),
 118                      (gpointer)this);
 119
 120   if (!value.IsNull())
 121   {
 122     gint tmp = 0;
 123     gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
 124   }
 125
 126   if (style & wxTE_READONLY)
 127   {
 128   }
 129   else
 130   {
 131     if ( bMultiLine )
 132       gtk_text_set_editable( GTK_TEXT(m_text), 1 );
 133   }
 134
 135   Show( TRUE );
 136
 137   return TRUE;
 138 }
 139
 140 wxString wxTextCtrl::GetValue(void) const
 141 {
 142   wxString tmp;
 143   if (m_windowStyle & wxTE_MULTILINE)
 144   {
 145     gint len = gtk_text_get_length( GTK_TEXT(m_text) );
 146     tmp = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
 147   }
 148   else
 149   {
 150     tmp = gtk_entry_get_text( GTK_ENTRY(m_text) );
 151   }
 152   return tmp;
 153 }
 154
 155 void wxTextCtrl::SetValue( const wxString &value )
 156 {
 157   wxString tmp = "";
 158   if (!value.IsNull()) tmp = value;
 159   if (m_windowStyle & wxTE_MULTILINE)
 160   {
 161     gint len = gtk_text_get_length( GTK_TEXT(m_text) );
 162     gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
 163     len = 0;
 164     gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp, tmp.Length(), &len );
 165   }
 166   else
 167   {
 168     gtk_entry_set_text( GTK_ENTRY(m_text), tmp );
 169   }
 170 }
 171
 172 void wxTextCtrl::WriteText( const wxString &text )
 173 {
 174   if (text.IsNull()) return;
 175
 176   if (m_windowStyle & wxTE_MULTILINE)
 177   {
 178     gint len = gtk_text_get_length( GTK_TEXT(m_text) );
 179     gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
 180   }
 181   else
 182   {
 183     gtk_entry_append_text( GTK_ENTRY(m_text), text );
 184   }
 185 }
 186
 187 bool wxTextCtrl::LoadFile( const wxString &WXUNUSED(file) )
 188 {
 189   wxFAIL_MSG( "wxTextCtrl::LoadFile not implemented" );
 190
 191   return FALSE;
 192 }
 193
 194 bool wxTextCtrl::SaveFile( const wxString &WXUNUSED(file) )
 195 {
 196   wxFAIL_MSG( "wxTextCtrl::SaveFile not implemented" );
 197
 198   return FALSE;
 199 }
 200
 201 /*
 202 wxString wxTextCtrl::GetLineText( long lineNo ) const
 203 {
 204 }
 205
 206
 207 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &event )
 208 {
 209 }
 210
 211 long wxTextCtrl::PositionToXY( long pos, long *x, long *y ) const
 212 {
 213 }
 214
 215 long wxTextCtrl::XYToPosition( long x, long y )
 216 {
 217 }
 218
 219 int wxTextCtrl::GetNumberOfLines(void)
 220 {
 221 }
 222
 223 */
 224 void wxTextCtrl::SetInsertionPoint( long pos )
 225 {
 226   int tmp = (int) pos;
 227   if (m_windowStyle & wxTE_MULTILINE)
 228     gtk_text_set_point( GTK_TEXT(m_text), tmp );
 229   else
 230     gtk_entry_set_position( GTK_ENTRY(m_text), tmp );
 231 }
 232
 233 void wxTextCtrl::SetInsertionPointEnd(void)
 234 {
 235   int pos = 0;
 236   if (m_windowStyle & wxTE_MULTILINE)
 237     pos = gtk_text_get_length( GTK_TEXT(m_text) );
 238   else
 239     pos = GTK_ENTRY(m_text)->text_length;
 240   SetInsertionPoint( pos-1 );
 241 }
 242
 243 void wxTextCtrl::SetEditable( bool editable )
 244 {
 245   if (m_windowStyle & wxTE_MULTILINE)
 246     gtk_text_set_editable( GTK_TEXT(m_text), editable );
 247   else
 248     gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
 249 }
 250
 251 void wxTextCtrl::SetSelection( long from, long to )
 252 {
 253   gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 254 }
 255
 256 void wxTextCtrl::ShowPosition( long WXUNUSED(pos) )
 257 {
 258   wxFAIL_MSG(_("wxTextCtrl::ShowPosition not implemented"));
 259 }
 260
 261 long wxTextCtrl::GetInsertionPoint(void) const
 262 {
 263   return (long) GTK_EDITABLE(m_text)->current_pos;
 264 }
 265
 266 long wxTextCtrl::GetLastPosition(void) const
 267 {
 268   int pos = 0;
 269   if (m_windowStyle & wxTE_MULTILINE)
 270     pos = gtk_text_get_length( GTK_TEXT(m_text) );
 271   else
 272     pos = GTK_ENTRY(m_text)->text_length;
 273   return (long)pos-1;
 274 }
 275
 276 void wxTextCtrl::Remove( long from, long to )
 277 {
 278   gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 279 }
 280
 281 void wxTextCtrl::Replace( long from, long to, const wxString &value )
 282 {
 283   gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 284   if (value.IsNull()) return;
 285   gint pos = (gint)to;
 286   gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
 287 }
 288
 289 void wxTextCtrl::Cut(void)
 290 {
 291   gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
 292 }
 293
 294 void wxTextCtrl::Copy(void)
 295 {
 296   gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
 297 }
 298
 299 void wxTextCtrl::Paste(void)
 300 {
 301   gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
 302 }
 303
 304 void wxTextCtrl::Delete(void)
 305 {
 306   SetValue( "" );
 307 }
 308
 309 void wxTextCtrl::OnChar( wxKeyEvent &WXUNUSED(event) )
 310 {
 311 }
 312
 313 int wxTextCtrl::overflow( int WXUNUSED(c) )
 314 {
 315   int len = pptr() - pbase();
 316   char *txt = new char[len+1];
 317   strncpy(txt, pbase(), len);
 318   txt[len] = '\0';
 319   (*this) << txt;
 320   setp(pbase(), epptr());
 321   delete[] txt;
 322   return EOF;
 323 }
 324
 325 int wxTextCtrl::sync(void)
 326 {
 327   int len = pptr() - pbase();
 328   char *txt = new char[len+1];
 329   strncpy(txt, pbase(), len);
 330   txt[len] = '\0';
 331   (*this) << txt;
 332   setp(pbase(), epptr());
 333   delete[] txt;
 334   return 0;
 335 }
 336
 337 int wxTextCtrl::underflow(void)
 338 {
 339   return EOF;
 340 }
 341
 342 wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
 343 {
 344   WriteText(s);
 345   return *this;
 346 }
 347
 348 wxTextCtrl& wxTextCtrl::operator<<(float f)
 349 {
 350   static char buf[100];
 351   sprintf(buf, "%.2f", f);
 352   WriteText(buf);
 353   return *this;
 354 }
 355
 356 wxTextCtrl& wxTextCtrl::operator<<(double d)
 357 {
 358   static char buf[100];
 359   sprintf(buf, "%.2f", d);
 360   WriteText(buf);
 361   return *this;
 362 }
 363
 364 wxTextCtrl& wxTextCtrl::operator<<(int i)
 365 {
 366   static char buf[100];
 367   sprintf(buf, "%i", i);
 368   WriteText(buf);
 369   return *this;
 370 }
 371
 372 wxTextCtrl& wxTextCtrl::operator<<(long i)
 373 {
 374   static char buf[100];
 375   sprintf(buf, "%ld", i);
 376   WriteText(buf);
 377   return *this;
 378 }
 379
 380 wxTextCtrl& wxTextCtrl::operator<<(const char c)
 381 {
 382   char buf[2];
 383
 384   buf[0] = c;
 385   buf[1] = 0;
 386   WriteText(buf);
 387   return *this;
 388 }
 389
 390 GtkWidget* wxTextCtrl::GetConnectWidget(void)
 391 {
 392   return GTK_WIDGET(m_text);
 393 }
 394
 395
 396
 397