| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/gtk/spinbutt.cpp |
| 3 | // Purpose: wxSpinCtrl |
| 4 | // Author: Robert |
| 5 | // Modified by: |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) Robert Roebling |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | // For compilers that support precompilation, includes "wx.h". |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #if wxUSE_SPINCTRL |
| 15 | |
| 16 | #include "wx/spinctrl.h" |
| 17 | |
| 18 | #ifndef WX_PRECOMP |
| 19 | #include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED |
| 20 | #include "wx/utils.h" |
| 21 | #include "wx/wxcrtvararg.h" |
| 22 | #endif |
| 23 | |
| 24 | #include "wx/gtk/private.h" |
| 25 | |
| 26 | //----------------------------------------------------------------------------- |
| 27 | // data |
| 28 | //----------------------------------------------------------------------------- |
| 29 | |
| 30 | extern bool g_blockEventsOnDrag; |
| 31 | |
| 32 | //----------------------------------------------------------------------------- |
| 33 | // "value_changed" |
| 34 | //----------------------------------------------------------------------------- |
| 35 | |
| 36 | extern "C" { |
| 37 | static void |
| 38 | gtk_value_changed(GtkSpinButton* spinbutton, wxSpinCtrlGTKBase* win) |
| 39 | { |
| 40 | win->m_value = gtk_spin_button_get_value(spinbutton); |
| 41 | if (!win->m_hasVMT || g_blockEventsOnDrag) |
| 42 | return; |
| 43 | |
| 44 | // note that we don't use wxSpinCtrl::GetValue() here because it would |
| 45 | // adjust the value to fit into the control range and this means that we |
| 46 | // would never be able to enter an "invalid" value in the control, even |
| 47 | // temporarily - and trying to enter 10 into the control which accepts the |
| 48 | // values in range 5..50 is then, ummm, quite challenging (hint: you can't |
| 49 | // enter 1!) (VZ) |
| 50 | |
| 51 | if (wxIsKindOf(win, wxSpinCtrl)) |
| 52 | { |
| 53 | wxSpinEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId()); |
| 54 | event.SetEventObject( win ); |
| 55 | event.SetPosition( wxRound(win->m_value) ); // FIXME should be SetValue |
| 56 | event.SetString(GTK_ENTRY(spinbutton)->text); |
| 57 | win->HandleWindowEvent( event ); |
| 58 | } |
| 59 | else // wxIsKindOf(win, wxSpinCtrlDouble) |
| 60 | { |
| 61 | wxSpinDoubleEvent event( wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, win->GetId()); |
| 62 | event.SetEventObject( win ); |
| 63 | event.SetValue(win->m_value); |
| 64 | event.SetString(GTK_ENTRY(spinbutton)->text); |
| 65 | win->HandleWindowEvent( event ); |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | //----------------------------------------------------------------------------- |
| 71 | // "changed" |
| 72 | //----------------------------------------------------------------------------- |
| 73 | |
| 74 | extern "C" { |
| 75 | static void |
| 76 | gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win) |
| 77 | { |
| 78 | if (!win->m_hasVMT) |
| 79 | return; |
| 80 | |
| 81 | wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); |
| 82 | event.SetEventObject( win ); |
| 83 | event.SetString( GTK_ENTRY(spinbutton)->text ); |
| 84 | |
| 85 | // see above |
| 86 | event.SetInt((int)win->m_value); |
| 87 | win->HandleWindowEvent( event ); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | //----------------------------------------------------------------------------- |
| 92 | // wxSpinCtrlGTKBase |
| 93 | //----------------------------------------------------------------------------- |
| 94 | |
| 95 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrlGTKBase, wxSpinCtrlBase) |
| 96 | |
| 97 | BEGIN_EVENT_TABLE(wxSpinCtrlGTKBase, wxSpinCtrlBase) |
| 98 | EVT_CHAR(wxSpinCtrlGTKBase::OnChar) |
| 99 | END_EVENT_TABLE() |
| 100 | |
| 101 | bool wxSpinCtrlGTKBase::Create(wxWindow *parent, wxWindowID id, |
| 102 | const wxString& value, |
| 103 | const wxPoint& pos, const wxSize& size, |
| 104 | long style, |
| 105 | double min, double max, double initial, double inc, |
| 106 | const wxString& name) |
| 107 | { |
| 108 | if (!PreCreation( parent, pos, size ) || |
| 109 | !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) |
| 110 | { |
| 111 | wxFAIL_MSG( wxT("wxSpinCtrlGTKBase creation failed") ); |
| 112 | return false; |
| 113 | } |
| 114 | |
| 115 | m_widget = gtk_spin_button_new_with_range(min, max, inc); |
| 116 | g_object_ref(m_widget); |
| 117 | |
| 118 | gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), initial); |
| 119 | m_value = gtk_spin_button_get_value( GTK_SPIN_BUTTON(m_widget)); |
| 120 | |
| 121 | gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget), |
| 122 | (int)(m_windowStyle & wxSP_WRAP) ); |
| 123 | |
| 124 | g_signal_connect_after(m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this); |
| 125 | g_signal_connect_after(m_widget, "changed", G_CALLBACK(gtk_changed), this); |
| 126 | |
| 127 | m_parent->DoAddChild( this ); |
| 128 | |
| 129 | PostCreation(size); |
| 130 | |
| 131 | if (!value.empty()) |
| 132 | { |
| 133 | SetValue(value); |
| 134 | } |
| 135 | |
| 136 | return true; |
| 137 | } |
| 138 | |
| 139 | double wxSpinCtrlGTKBase::DoGetValue() const |
| 140 | { |
| 141 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); |
| 142 | |
| 143 | GtkDisableEvents(); |
| 144 | gtk_spin_button_update( GTK_SPIN_BUTTON(m_widget) ); |
| 145 | const_cast<wxSpinCtrlGTKBase*>(this)->m_value = |
| 146 | gtk_spin_button_get_value(GTK_SPIN_BUTTON(m_widget)); |
| 147 | GtkEnableEvents(); |
| 148 | |
| 149 | return m_value; |
| 150 | } |
| 151 | |
| 152 | double wxSpinCtrlGTKBase::DoGetMin() const |
| 153 | { |
| 154 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); |
| 155 | |
| 156 | double min = 0; |
| 157 | gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), &min, NULL); |
| 158 | return min; |
| 159 | } |
| 160 | |
| 161 | double wxSpinCtrlGTKBase::DoGetMax() const |
| 162 | { |
| 163 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); |
| 164 | |
| 165 | double max = 0; |
| 166 | gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), NULL, &max); |
| 167 | return max; |
| 168 | } |
| 169 | |
| 170 | double wxSpinCtrlGTKBase::DoGetIncrement() const |
| 171 | { |
| 172 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); |
| 173 | |
| 174 | double inc = 0; |
| 175 | gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &inc); |
| 176 | return inc; |
| 177 | } |
| 178 | |
| 179 | bool wxSpinCtrlGTKBase::GetSnapToTicks() const |
| 180 | { |
| 181 | wxCHECK_MSG( m_widget, 0, "invalid spin button" ); |
| 182 | |
| 183 | return gtk_spin_button_get_snap_to_ticks( GTK_SPIN_BUTTON(m_widget) ); |
| 184 | } |
| 185 | |
| 186 | void wxSpinCtrlGTKBase::SetValue( const wxString& value ) |
| 187 | { |
| 188 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); |
| 189 | |
| 190 | double n; |
| 191 | if ( wxSscanf(value, "%lg", &n) == 1 ) |
| 192 | { |
| 193 | // a number - set it, let DoSetValue round for int value |
| 194 | DoSetValue(n); |
| 195 | return; |
| 196 | } |
| 197 | |
| 198 | // invalid number - set text as is (wxMSW compatible) |
| 199 | GtkDisableEvents(); |
| 200 | gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) ); |
| 201 | GtkEnableEvents(); |
| 202 | } |
| 203 | |
| 204 | void wxSpinCtrlGTKBase::DoSetValue( double value ) |
| 205 | { |
| 206 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); |
| 207 | |
| 208 | if (wxIsKindOf(this, wxSpinCtrl)) |
| 209 | value = wxRound( value ); |
| 210 | |
| 211 | GtkDisableEvents(); |
| 212 | gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), value); |
| 213 | m_value = gtk_spin_button_get_value( GTK_SPIN_BUTTON(m_widget)); |
| 214 | GtkEnableEvents(); |
| 215 | } |
| 216 | |
| 217 | void wxSpinCtrlGTKBase::SetSnapToTicks(bool snap_to_ticks) |
| 218 | { |
| 219 | wxCHECK_RET( (m_widget != NULL), "invalid spin button" ); |
| 220 | |
| 221 | gtk_spin_button_set_snap_to_ticks( GTK_SPIN_BUTTON(m_widget), snap_to_ticks); |
| 222 | } |
| 223 | |
| 224 | void wxSpinCtrlGTKBase::SetSelection(long from, long to) |
| 225 | { |
| 226 | // translate from wxWidgets conventions to GTK+ ones: (-1, -1) means the |
| 227 | // entire range |
| 228 | if ( from == -1 && to == -1 ) |
| 229 | { |
| 230 | from = 0; |
| 231 | to = INT_MAX; |
| 232 | } |
| 233 | |
| 234 | gtk_editable_select_region( GTK_EDITABLE(m_widget), (gint)from, (gint)to ); |
| 235 | } |
| 236 | |
| 237 | void wxSpinCtrlGTKBase::DoSetRange(double minVal, double maxVal) |
| 238 | { |
| 239 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); |
| 240 | |
| 241 | GtkDisableEvents(); |
| 242 | gtk_spin_button_set_range( GTK_SPIN_BUTTON(m_widget), minVal, maxVal); |
| 243 | m_value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(m_widget)); |
| 244 | GtkEnableEvents(); |
| 245 | } |
| 246 | |
| 247 | void wxSpinCtrlGTKBase::DoSetIncrement(double inc) |
| 248 | { |
| 249 | wxCHECK_RET( m_widget, "invalid spin button" ); |
| 250 | |
| 251 | GtkDisableEvents(); |
| 252 | gtk_spin_button_set_increments( GTK_SPIN_BUTTON(m_widget), inc, 10*inc); |
| 253 | m_value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(m_widget)); |
| 254 | GtkEnableEvents(); |
| 255 | } |
| 256 | |
| 257 | void wxSpinCtrlGTKBase::GtkDisableEvents() const |
| 258 | { |
| 259 | g_signal_handlers_block_by_func( m_widget, |
| 260 | (gpointer)gtk_value_changed, (void*) this); |
| 261 | |
| 262 | g_signal_handlers_block_by_func(m_widget, |
| 263 | (gpointer)gtk_changed, (void*) this); |
| 264 | } |
| 265 | |
| 266 | void wxSpinCtrlGTKBase::GtkEnableEvents() const |
| 267 | { |
| 268 | g_signal_handlers_unblock_by_func(m_widget, |
| 269 | (gpointer)gtk_value_changed, (void*) this); |
| 270 | |
| 271 | g_signal_handlers_unblock_by_func(m_widget, |
| 272 | (gpointer)gtk_changed, (void*) this); |
| 273 | } |
| 274 | |
| 275 | void wxSpinCtrlGTKBase::OnChar( wxKeyEvent &event ) |
| 276 | { |
| 277 | wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") ); |
| 278 | |
| 279 | if (event.GetKeyCode() == WXK_RETURN) |
| 280 | { |
| 281 | wxWindow *top_frame = wxGetTopLevelParent(m_parent); |
| 282 | |
| 283 | if ( GTK_IS_WINDOW(top_frame->m_widget) ) |
| 284 | { |
| 285 | GtkWindow *window = GTK_WINDOW(top_frame->m_widget); |
| 286 | if ( window ) |
| 287 | { |
| 288 | GtkWidget *widgetDef = window->default_widget; |
| 289 | |
| 290 | if ( widgetDef ) |
| 291 | { |
| 292 | gtk_widget_activate(widgetDef); |
| 293 | return; |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | if ((event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxTE_PROCESS_ENTER)) |
| 300 | { |
| 301 | wxCommandEvent evt( wxEVT_COMMAND_TEXT_ENTER, m_windowId ); |
| 302 | evt.SetEventObject(this); |
| 303 | GtkSpinButton *gsb = GTK_SPIN_BUTTON(m_widget); |
| 304 | wxString val = wxGTK_CONV_BACK( gtk_entry_get_text( &gsb->entry ) ); |
| 305 | evt.SetString( val ); |
| 306 | if (HandleWindowEvent(evt)) return; |
| 307 | } |
| 308 | |
| 309 | event.Skip(); |
| 310 | } |
| 311 | |
| 312 | GdkWindow *wxSpinCtrlGTKBase::GTKGetWindow(wxArrayGdkWindows& windows) const |
| 313 | { |
| 314 | GtkSpinButton* spinbutton = GTK_SPIN_BUTTON(m_widget); |
| 315 | |
| 316 | windows.push_back(spinbutton->entry.text_area); |
| 317 | windows.push_back(spinbutton->panel); |
| 318 | |
| 319 | return NULL; |
| 320 | } |
| 321 | |
| 322 | wxSize wxSpinCtrlGTKBase::DoGetBestSize() const |
| 323 | { |
| 324 | wxSize ret( wxControl::DoGetBestSize() ); |
| 325 | wxSize best(95, ret.y); // FIXME: 95? |
| 326 | CacheBestSize(best); |
| 327 | return best; |
| 328 | } |
| 329 | |
| 330 | // static |
| 331 | wxVisualAttributes |
| 332 | wxSpinCtrlGTKBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 333 | { |
| 334 | // TODO: overload to accept functions like gtk_spin_button_new? |
| 335 | // Until then use a similar type |
| 336 | return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true); |
| 337 | } |
| 338 | |
| 339 | //----------------------------------------------------------------------------- |
| 340 | // wxSpinCtrl |
| 341 | //----------------------------------------------------------------------------- |
| 342 | |
| 343 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxSpinCtrlGTKBase) |
| 344 | |
| 345 | //----------------------------------------------------------------------------- |
| 346 | // wxSpinCtrlDouble |
| 347 | //----------------------------------------------------------------------------- |
| 348 | |
| 349 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrlDouble, wxSpinCtrlGTKBase) |
| 350 | |
| 351 | unsigned wxSpinCtrlDouble::GetDigits() const |
| 352 | { |
| 353 | wxCHECK_MSG( m_widget, 0, "invalid spin button" ); |
| 354 | |
| 355 | return gtk_spin_button_get_digits( GTK_SPIN_BUTTON(m_widget) ); |
| 356 | } |
| 357 | |
| 358 | void wxSpinCtrlDouble::SetDigits(unsigned digits) |
| 359 | { |
| 360 | wxCHECK_RET( m_widget, "invalid spin button" ); |
| 361 | |
| 362 | gtk_spin_button_set_digits( GTK_SPIN_BUTTON(m_widget), digits); |
| 363 | } |
| 364 | |
| 365 | #endif // wxUSE_SPINCTRL |