| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/motif/spinbutt.cpp |
| 3 | // Purpose: wxSpinButton |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 17/09/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #if wxUSE_SPINBTN |
| 16 | |
| 17 | #include "wx/spinbutt.h" |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/timer.h" |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/spinctrl.h" |
| 24 | |
| 25 | #ifdef __VMS__ |
| 26 | #pragma message disable nosimpint |
| 27 | #endif |
| 28 | #include <Xm/ArrowBG.h> |
| 29 | #include <Xm/ArrowB.h> |
| 30 | #ifdef __VMS__ |
| 31 | #pragma message enable nosimpint |
| 32 | #endif |
| 33 | |
| 34 | #include "wx/motif/private.h" |
| 35 | |
| 36 | // helper class |
| 37 | enum ArrowDirection |
| 38 | { |
| 39 | wxARROW_UP, |
| 40 | wxARROW_DOWN, |
| 41 | wxARROW_LEFT, |
| 42 | wxARROW_RIGHT |
| 43 | }; |
| 44 | |
| 45 | class wxArrowButtonTimer; |
| 46 | class wxArrowButton; |
| 47 | |
| 48 | // ---------------------------------------------------------------------------- |
| 49 | // wxArrowButtonTimer |
| 50 | // ---------------------------------------------------------------------------- |
| 51 | |
| 52 | static const unsigned int TICK_BEFORE_START = 10; |
| 53 | static const unsigned int TICK_BEFORE_EXPONENTIAL = 40; |
| 54 | static const unsigned int MAX_INCREMENT = 150; |
| 55 | static const unsigned int TICK_INTERVAL = 113; |
| 56 | |
| 57 | class wxArrowButtonTimer : public wxTimer |
| 58 | { |
| 59 | public: |
| 60 | wxArrowButtonTimer( wxArrowButton* btn, int sign ) |
| 61 | : m_sign( sign ), |
| 62 | m_button( btn ) |
| 63 | { Reset(); }; |
| 64 | |
| 65 | void Notify(); |
| 66 | void Reset() { m_ticks = 0; m_increment = 1; } |
| 67 | private: |
| 68 | unsigned int m_ticks; |
| 69 | unsigned int m_increment; |
| 70 | int m_sign; |
| 71 | wxArrowButton* m_button; |
| 72 | }; |
| 73 | |
| 74 | // ---------------------------------------------------------------------------- |
| 75 | // wxArrowButton |
| 76 | // ---------------------------------------------------------------------------- |
| 77 | |
| 78 | class wxArrowButton : public wxControl |
| 79 | { |
| 80 | friend class wxArrowButtonTimer; |
| 81 | public: |
| 82 | wxArrowButton( int increment ) |
| 83 | : m_increment( increment ), |
| 84 | m_timer( 0 ) {} |
| 85 | |
| 86 | wxArrowButton( wxSpinButton* parent, wxWindowID id, ArrowDirection d, |
| 87 | const wxPoint& pos = wxDefaultPosition, |
| 88 | const wxSize& size = wxDefaultSize, int increment = 1 ) |
| 89 | : wxControl(), |
| 90 | m_increment( increment ), |
| 91 | m_timer( 0 ) |
| 92 | { |
| 93 | Create( parent, id, d, pos, size ); |
| 94 | } |
| 95 | |
| 96 | virtual ~wxArrowButton() |
| 97 | { delete m_timer; } |
| 98 | |
| 99 | bool Create( wxSpinButton* parent, wxWindowID id, ArrowDirection d, |
| 100 | const wxPoint& pos = wxDefaultPosition, |
| 101 | const wxSize& size = wxDefaultSize ); |
| 102 | private: |
| 103 | // creates a new timer object, or stops the currently running one |
| 104 | wxTimer* GetFreshTimer(); |
| 105 | wxSpinButton* GetSpinButton() { return (wxSpinButton*)GetParent(); } |
| 106 | static void SpinButtonCallback( Widget w, XtPointer clientData, |
| 107 | XtPointer WXUNUSED(ptr) ); |
| 108 | static void StartTimerCallback( Widget w, XtPointer clientData, |
| 109 | XtPointer WXUNUSED(ptr) ); |
| 110 | |
| 111 | static void StopTimerCallback( Widget w, XtPointer clientData, |
| 112 | XtPointer WXUNUSED(ptr) ); |
| 113 | |
| 114 | int m_increment; |
| 115 | wxArrowButtonTimer* m_timer; |
| 116 | }; |
| 117 | |
| 118 | // ---------------------------------------------------------------------------- |
| 119 | // wxArrowButtonTimer implementation |
| 120 | // ---------------------------------------------------------------------------- |
| 121 | |
| 122 | void wxArrowButtonTimer::Notify() |
| 123 | { |
| 124 | ++m_ticks; |
| 125 | if( m_ticks < TICK_BEFORE_START ) return; |
| 126 | // increment every other tick |
| 127 | if( m_ticks <= TICK_BEFORE_EXPONENTIAL && m_ticks & 1 ) |
| 128 | return; |
| 129 | if( m_ticks > TICK_BEFORE_EXPONENTIAL ) |
| 130 | m_increment = 2 * m_increment; |
| 131 | if( m_increment >= MAX_INCREMENT ) m_increment = MAX_INCREMENT; |
| 132 | m_button->GetSpinButton()->Increment( m_sign * m_increment ); |
| 133 | } |
| 134 | |
| 135 | // ---------------------------------------------------------------------------- |
| 136 | // wxArrowButton implementation |
| 137 | // ---------------------------------------------------------------------------- |
| 138 | |
| 139 | wxTimer* wxArrowButton::GetFreshTimer() |
| 140 | { |
| 141 | if( m_timer ) |
| 142 | { |
| 143 | m_timer->Stop(); |
| 144 | m_timer->Reset(); |
| 145 | } |
| 146 | else |
| 147 | m_timer = new wxArrowButtonTimer( this, m_increment ); |
| 148 | |
| 149 | return m_timer; |
| 150 | } |
| 151 | |
| 152 | void wxArrowButton::SpinButtonCallback( Widget w, XtPointer clientData, |
| 153 | XtPointer WXUNUSED(ptr) ) |
| 154 | { |
| 155 | if( !wxGetWindowFromTable( w ) ) |
| 156 | // Widget has been deleted! |
| 157 | return; |
| 158 | |
| 159 | wxArrowButton* btn = (wxArrowButton*)clientData; |
| 160 | |
| 161 | btn->GetSpinButton()->Increment( btn->m_increment ); |
| 162 | } |
| 163 | |
| 164 | void wxArrowButton::StartTimerCallback( Widget w, XtPointer clientData, |
| 165 | XtPointer WXUNUSED(ptr) ) |
| 166 | { |
| 167 | if( !wxGetWindowFromTable( w ) ) |
| 168 | // Widget has been deleted! |
| 169 | return; |
| 170 | |
| 171 | wxArrowButton* btn = (wxArrowButton*)clientData; |
| 172 | btn->GetFreshTimer()->Start( TICK_INTERVAL ); |
| 173 | } |
| 174 | |
| 175 | void wxArrowButton::StopTimerCallback( Widget w, XtPointer clientData, |
| 176 | XtPointer WXUNUSED(ptr) ) |
| 177 | { |
| 178 | if( !wxGetWindowFromTable( w ) ) |
| 179 | // Widget has been deleted! |
| 180 | return; |
| 181 | |
| 182 | wxArrowButton* btn = (wxArrowButton*)clientData; |
| 183 | delete btn->m_timer; |
| 184 | btn->m_timer = 0; |
| 185 | } |
| 186 | |
| 187 | bool wxArrowButton::Create( wxSpinButton* parent, |
| 188 | wxWindowID WXUNUSED(id), |
| 189 | ArrowDirection d, |
| 190 | const wxPoint& pos, const wxSize& size ) |
| 191 | { |
| 192 | wxCHECK_MSG( parent, false, _T("must have a valid parent") ); |
| 193 | |
| 194 | int arrow_dir = XmARROW_UP; |
| 195 | |
| 196 | switch( d ) |
| 197 | { |
| 198 | case wxARROW_UP: |
| 199 | arrow_dir = XmARROW_UP; |
| 200 | break; |
| 201 | case wxARROW_DOWN: |
| 202 | arrow_dir = XmARROW_DOWN; |
| 203 | break; |
| 204 | case wxARROW_LEFT: |
| 205 | arrow_dir = XmARROW_LEFT; |
| 206 | break; |
| 207 | case wxARROW_RIGHT: |
| 208 | arrow_dir = XmARROW_RIGHT; |
| 209 | break; |
| 210 | } |
| 211 | |
| 212 | parent->AddChild( this ); |
| 213 | PreCreation(); |
| 214 | |
| 215 | Widget parentWidget = (Widget) parent->GetClientWidget(); |
| 216 | m_mainWidget = (WXWidget) XtVaCreateManagedWidget( "XmArrowButton", |
| 217 | xmArrowButtonWidgetClass, |
| 218 | parentWidget, |
| 219 | XmNarrowDirection, arrow_dir, |
| 220 | XmNborderWidth, 0, |
| 221 | XmNshadowThickness, 0, |
| 222 | NULL ); |
| 223 | |
| 224 | XtAddCallback( (Widget) m_mainWidget, |
| 225 | XmNactivateCallback, (XtCallbackProc) SpinButtonCallback, |
| 226 | (XtPointer) this ); |
| 227 | XtAddCallback( (Widget) m_mainWidget, |
| 228 | XmNarmCallback, (XtCallbackProc) StartTimerCallback, |
| 229 | (XtPointer) this ); |
| 230 | XtAddCallback( (Widget) m_mainWidget, |
| 231 | XmNactivateCallback, (XtCallbackProc) StopTimerCallback, |
| 232 | (XtPointer) this ); |
| 233 | |
| 234 | PostCreation(); |
| 235 | AttachWidget( parent, m_mainWidget, (WXWidget) NULL, |
| 236 | pos.x, pos.y, size.x, size.y ); |
| 237 | |
| 238 | return true; |
| 239 | } |
| 240 | |
| 241 | // ---------------------------------------------------------------------------- |
| 242 | // wxSpinButton |
| 243 | // ---------------------------------------------------------------------------- |
| 244 | |
| 245 | IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl) |
| 246 | IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxNotifyEvent) |
| 247 | |
| 248 | static void CalcSizes( const wxPoint& pt, const wxSize& sz, |
| 249 | wxPoint& pt1, wxSize& sz1, |
| 250 | wxPoint& pt2, wxSize& sz2, |
| 251 | bool isVertical ) |
| 252 | { |
| 253 | typedef int wxSize::* CDPTR1; |
| 254 | typedef int wxPoint::* CDPTR2; |
| 255 | |
| 256 | sz1 = sz2 = sz; |
| 257 | pt2 = pt1 = pt; |
| 258 | |
| 259 | CDPTR1 szm = isVertical ? &wxSize::y : &wxSize::x; |
| 260 | CDPTR2 ptm = isVertical ? &wxPoint::y : &wxPoint::x; |
| 261 | int dim = sz.*szm, half = dim/2; |
| 262 | |
| 263 | sz1.*szm = half; |
| 264 | sz2.*szm = dim - half; |
| 265 | pt2.*ptm += half + 1; |
| 266 | } |
| 267 | |
| 268 | bool wxSpinButton::Create( wxWindow *parent, wxWindowID id, |
| 269 | const wxPoint& pos, const wxSize& size, |
| 270 | long style, const wxString& name ) |
| 271 | { |
| 272 | m_windowStyle = style; |
| 273 | |
| 274 | wxSize newSize = GetBestSize(); |
| 275 | if( size.x != -1 ) newSize.x = size.x; |
| 276 | if( size.y != -1 ) newSize.y = size.y; |
| 277 | |
| 278 | if( !wxControl::Create( parent, id, pos, newSize, style ) ) |
| 279 | { |
| 280 | return false; |
| 281 | } |
| 282 | |
| 283 | SetName(name); |
| 284 | |
| 285 | m_windowId = ( id == wxID_ANY ) ? NewControlId() : id; |
| 286 | |
| 287 | bool isVert = IsVertical(); |
| 288 | wxPoint pt1, pt2; |
| 289 | wxSize sz1, sz2; |
| 290 | CalcSizes( wxPoint(0,0), newSize, pt1, sz1, pt2, sz2, isVert ); |
| 291 | m_up = new wxArrowButton( this, -1, isVert ? wxARROW_UP : wxARROW_RIGHT, |
| 292 | pt1, sz1, 1 ); |
| 293 | m_down = new wxArrowButton( this, -1, |
| 294 | isVert ? wxARROW_DOWN : wxARROW_LEFT, |
| 295 | pt2, sz2, -1 ); |
| 296 | |
| 297 | return true; |
| 298 | } |
| 299 | |
| 300 | wxSpinButton::~wxSpinButton() |
| 301 | { |
| 302 | } |
| 303 | |
| 304 | void wxSpinButton::DoMoveWindow(int x, int y, int width, int height) |
| 305 | { |
| 306 | wxControl::DoMoveWindow( x, y, width, height ); |
| 307 | |
| 308 | wxPoint pt1, pt2; |
| 309 | wxSize sz1, sz2; |
| 310 | |
| 311 | CalcSizes( wxPoint(0,0), wxSize(width,height), pt1, |
| 312 | sz1, pt2, sz2, IsVertical() ); |
| 313 | m_up->SetSize( pt1.x, pt1.y, sz1.x, sz1.y ); |
| 314 | m_down->SetSize( pt2.x, pt2.y, sz2.x, sz2.y ); |
| 315 | } |
| 316 | |
| 317 | void wxSpinButton::DoSetSize(int x, int y, int width, int height, int sizeFlags) |
| 318 | { |
| 319 | if ( (sizeFlags & wxSIZE_ALLOW_MINUS_ONE) && width == -1 ) |
| 320 | width = GetSize().x; |
| 321 | if ( (sizeFlags & wxSIZE_ALLOW_MINUS_ONE) && height == -1 ) |
| 322 | height = GetSize().y; |
| 323 | |
| 324 | wxControl::DoSetSize(x, y, width, height, 0); |
| 325 | } |
| 326 | |
| 327 | void wxSpinButton::Increment( int delta ) |
| 328 | { |
| 329 | if( m_pos < m_min ) m_pos = m_min; |
| 330 | if( m_pos > m_max ) m_pos = m_max; |
| 331 | |
| 332 | int npos = m_pos + delta; |
| 333 | |
| 334 | if( npos < m_min ) |
| 335 | { |
| 336 | if( GetWindowStyle() & wxSP_WRAP ) |
| 337 | npos = m_max; |
| 338 | else |
| 339 | npos = m_min; |
| 340 | } |
| 341 | if( npos > m_max ) |
| 342 | { |
| 343 | if( GetWindowStyle() & wxSP_WRAP ) |
| 344 | npos = m_min; |
| 345 | else |
| 346 | npos = m_max; |
| 347 | } |
| 348 | if( npos == m_pos ) return; |
| 349 | |
| 350 | wxSpinEvent event( delta > 0 ? wxEVT_SCROLL_LINEUP : wxEVT_SCROLL_LINEDOWN, |
| 351 | m_windowId ); |
| 352 | event.SetPosition( npos ); |
| 353 | event.SetEventObject( this ); |
| 354 | |
| 355 | HandleWindowEvent( event ); |
| 356 | |
| 357 | if( event.IsAllowed() ) |
| 358 | { |
| 359 | m_pos = npos; |
| 360 | event.SetEventType( wxEVT_SCROLL_THUMBTRACK ); |
| 361 | event.SetPosition( m_pos ); |
| 362 | |
| 363 | HandleWindowEvent( event ); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | wxSize wxSpinButton::DoGetBestSize() const |
| 368 | { |
| 369 | return IsVertical() ? wxSize( 20, 30 ) : wxSize( 30, 20 ); |
| 370 | } |
| 371 | |
| 372 | // Attributes |
| 373 | //////////////////////////////////////////////////////////////////////////// |
| 374 | |
| 375 | int wxSpinButton::GetValue() const |
| 376 | { |
| 377 | return m_pos; |
| 378 | } |
| 379 | |
| 380 | void wxSpinButton::SetValue(int val) |
| 381 | { |
| 382 | m_pos = val; |
| 383 | } |
| 384 | |
| 385 | void wxSpinButton::SetRange(int minVal, int maxVal) |
| 386 | { |
| 387 | wxSpinButtonBase::SetRange(minVal, maxVal); |
| 388 | } |
| 389 | |
| 390 | void wxSpinButton::ChangeFont(bool WXUNUSED(keepOriginalSize)) |
| 391 | { |
| 392 | // TODO |
| 393 | } |
| 394 | |
| 395 | void wxSpinButton::ChangeBackgroundColour() |
| 396 | { |
| 397 | wxControl::ChangeBackgroundColour(); |
| 398 | } |
| 399 | |
| 400 | void wxSpinButton::ChangeForegroundColour() |
| 401 | { |
| 402 | // TODO |
| 403 | } |
| 404 | |
| 405 | #endif // wxUSE_SPINBTN |