src/msw/tabctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/tabctrl.cpp
   3 // Purpose:     wxTabCtrl
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   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 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_TAB_DIALOG
  20
  21 #ifndef WX_PRECOMP
  22 #include "wx/wx.h"
  23 #endif
  24
  25 #include "wx/msw/private.h"
  26
  27 // include <commctrl.h> "properly"
  28 #include "wx/msw/wrapcctl.h"
  29
  30 #include "wx/tabctrl.h"
  31 #include "wx/app.h"
  32 #include "wx/msw/imaglist.h"
  33
  34 IMPLEMENT_DYNAMIC_CLASS(wxTabCtrl, wxControl)
  35 IMPLEMENT_DYNAMIC_CLASS(wxTabEvent, wxNotifyEvent)
  36
  37 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TAB_SEL_CHANGED)
  38 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TAB_SEL_CHANGING)
  39
  40 BEGIN_EVENT_TABLE(wxTabCtrl, wxControl)
  41     EVT_SYS_COLOUR_CHANGED(wxTabCtrl::OnSysColourChanged)
  42 END_EVENT_TABLE()
  43
  44 wxTabCtrl::wxTabCtrl()
  45 {
  46     m_imageList = NULL;
  47 }
  48
  49 bool wxTabCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  50             long style, const wxString& name)
  51 {
  52   m_imageList = NULL;
  53
  54   m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
  55       GetGValue(GetSysColor(COLOR_BTNFACE)), GetBValue(GetSysColor(COLOR_BTNFACE)));
  56   m_foregroundColour = *wxBLACK ;
  57
  58   SetName(name);
  59
  60   int x = pos.x;
  61   int y = pos.y;
  62   int width = size.x;
  63   int height = size.y;
  64
  65   m_windowStyle = style;
  66
  67   SetParent(parent);
  68
  69   if (width <= 0)
  70     width = 100;
  71   if (height <= 0)
  72     height = 30;
  73   if (x < 0)
  74     x = 0;
  75   if (y < 0)
  76     y = 0;
  77
  78   m_windowId = (id < 0 ? NewControlId() : id);
  79
  80   long tabStyle = WS_CHILD | WS_VISIBLE;
  81   if (m_windowStyle & wxTC_MULTILINE)
  82     tabStyle |= TCS_MULTILINE;
  83   if (m_windowStyle & wxTC_RIGHTJUSTIFY)
  84     tabStyle |= TCS_RIGHTJUSTIFY;
  85   if (m_windowStyle & wxTC_FIXEDWIDTH)
  86     tabStyle |= TCS_FIXEDWIDTH;
  87   if (m_windowStyle & wxTC_OWNERDRAW)
  88     tabStyle |= TCS_OWNERDRAWFIXED;
  89   if (m_windowStyle & wxBORDER)
  90     tabStyle |= WS_BORDER;
  91
  92 #ifndef __WXWINCE__
  93   tabStyle |= TCS_TOOLTIPS;
  94 #endif
  95
  96   // Create the toolbar control.
  97   HWND hWndTabCtrl = CreateWindowEx(0L,     // No extended styles.
  98     WC_TABCONTROL,                          // Class name for the tab control
  99     wxEmptyString,                          // No default text.
 100     tabStyle,    // Styles and defaults.
 101     x, y, width, height,                    // Standard size and position.
 102     (HWND) parent->GetHWND(),               // Parent window
 103     (HMENU)m_windowId,                      // ID.
 104     wxGetInstance(),                        // Current instance.
 105     NULL );                                 // No class data.
 106
 107   m_hWnd = (WXHWND) hWndTabCtrl;
 108   if (parent) parent->AddChild(this);
 109
 110   SubclassWin((WXHWND) hWndTabCtrl);
 111
 112   SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 113
 114   return true;
 115 }
 116
 117 wxTabCtrl::~wxTabCtrl()
 118 {
 119   UnsubclassWin();
 120 }
 121
 122 bool wxTabCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 123 {
 124     wxTabEvent event(wxEVT_NULL, m_windowId);
 125     wxEventType eventType wxDUMMY_INITIALIZE(wxEVT_NULL);
 126     NMHDR* hdr1 = (NMHDR*) lParam;
 127     switch ( hdr1->code )
 128     {
 129         case TCN_SELCHANGE:
 130             eventType = wxEVT_COMMAND_TAB_SEL_CHANGED;
 131             break;
 132
 133         case TCN_SELCHANGING:
 134             eventType = wxEVT_COMMAND_TAB_SEL_CHANGING;
 135             break;
 136
 137 #ifndef __WXWINCE__
 138         case TTN_NEEDTEXT:
 139         {
 140             // TODO
 141 //            if (!tool->m_shortHelpString.empty())
 142 //                ttText->lpszText = (char *) (const char *)tool->m_shortHelpString;
 143         }
 144 #endif
 145         default :
 146             return wxControl::MSWOnNotify(idCtrl, lParam, result);
 147     }
 148
 149     event.SetEventObject( this );
 150     event.SetEventType(eventType);
 151     event.SetInt(idCtrl) ;
 152     event.SetSelection(idCtrl);
 153
 154     return ProcessEvent(event);
 155 }
 156
 157 // Responds to colour changes, and passes event on to children.
 158 void wxTabCtrl::OnSysColourChanged(wxSysColourChangedEvent& event)
 159 {
 160     m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
 161                                   GetGValue(GetSysColor(COLOR_BTNFACE)),
 162                                   GetBValue(GetSysColor(COLOR_BTNFACE)));
 163
 164     Refresh();
 165
 166     // Propagate the event to the non-top-level children
 167     wxWindow::OnSysColourChanged(event);
 168 }
 169
 170 // Delete all items
 171 bool wxTabCtrl::DeleteAllItems()
 172 {
 173     return ( TabCtrl_DeleteAllItems( (HWND) GetHWND() ) != FALSE );
 174 }
 175
 176 // Delete an item
 177 bool wxTabCtrl::DeleteItem(int item)
 178 {
 179     return ( TabCtrl_DeleteItem( (HWND) GetHWND(), item) != FALSE );
 180 }
 181
 182 // Get the selection
 183 int wxTabCtrl::GetSelection() const
 184 {
 185     return (int) TabCtrl_GetCurSel( (HWND) GetHWND() );
 186 }
 187
 188 // Get the tab with the current keyboard focus
 189 int wxTabCtrl::GetCurFocus() const
 190 {
 191     return (int) TabCtrl_GetCurFocus( (HWND) GetHWND() );
 192 }
 193
 194 // Get the associated image list
 195 wxImageList* wxTabCtrl::GetImageList() const
 196 {
 197     return m_imageList;
 198 }
 199
 200 // Get the number of items
 201 int wxTabCtrl::GetItemCount() const
 202 {
 203     return (int) TabCtrl_GetItemCount( (HWND) GetHWND() );
 204 }
 205
 206 // Get the rect corresponding to the tab
 207 bool wxTabCtrl::GetItemRect(int item, wxRect& wxrect) const
 208 {
 209     RECT rect;
 210     if ( !TabCtrl_GetItemRect( (HWND) GetHWND(), item, & rect) )
 211         return false;
 212     else
 213     {
 214         wxrect.x = rect.left; wxrect.y = rect.top;
 215         wxrect.width = rect.right - rect.left;
 216         wxrect.height = rect.bottom - rect.top;
 217         return true;
 218     }
 219 }
 220
 221 // Get the number of rows
 222 int wxTabCtrl::GetRowCount() const
 223 {
 224     return (int) TabCtrl_GetRowCount( (HWND) GetHWND() );
 225 }
 226
 227 // Get the item text
 228 wxString wxTabCtrl::GetItemText(int item) const
 229 {
 230     wxChar buf[256];
 231     wxString str(wxEmptyString);
 232     TC_ITEM tcItem;
 233     tcItem.mask = TCIF_TEXT;
 234     tcItem.pszText = buf;
 235     tcItem.cchTextMax = 256;
 236
 237     if (TabCtrl_GetItem( (HWND) GetHWND(), item, & tcItem) )
 238         str = tcItem.pszText;
 239
 240     return str;
 241 }
 242
 243 // Get the item image
 244 int wxTabCtrl::GetItemImage(int item) const
 245 {
 246     TC_ITEM tcItem;
 247     tcItem.mask = TCIF_IMAGE;
 248
 249     if (TabCtrl_GetItem( (HWND) GetHWND(), item, & tcItem) )
 250         return tcItem.iImage;
 251     else
 252         return -1;
 253 }
 254
 255 // Get the item data
 256 void* wxTabCtrl::GetItemData(int item) const
 257 {
 258     TC_ITEM tcItem;
 259     tcItem.mask = TCIF_PARAM;
 260
 261     if (TabCtrl_GetItem( (HWND) GetHWND(), item, & tcItem) )
 262         return (void*) tcItem.lParam;
 263     else
 264         return 0;
 265 }
 266
 267 // Hit test
 268 int wxTabCtrl::HitTest(const wxPoint& pt, long& flags)
 269 {
 270     TC_HITTESTINFO hitTestInfo;
 271     hitTestInfo.pt.x = pt.x;
 272     hitTestInfo.pt.y = pt.y;
 273     int item = TabCtrl_HitTest( (HWND) GetHWND(), & hitTestInfo ) ;
 274     flags = 0;
 275
 276     if ((hitTestInfo.flags & TCHT_NOWHERE) == TCHT_NOWHERE)
 277         flags |= wxTAB_HITTEST_NOWHERE;
 278     if ((hitTestInfo.flags & TCHT_ONITEMICON) == TCHT_ONITEMICON)
 279         flags |= wxTAB_HITTEST_ONICON;
 280     if ((hitTestInfo.flags & TCHT_ONITEMLABEL) == TCHT_ONITEMLABEL)
 281         flags |= wxTAB_HITTEST_ONLABEL;
 282
 283     return item;
 284 }
 285
 286 // Insert an item
 287 bool wxTabCtrl::InsertItem(int item, const wxString& text, int imageId, void* data)
 288 {
 289     wxChar buf[256];
 290     TC_ITEM tcItem;
 291     tcItem.mask = TCIF_PARAM;
 292     tcItem.lParam = (long) data;
 293     if (!text.empty())
 294     {
 295         tcItem.mask |= TCIF_TEXT;
 296         wxStrcpy(buf, (const wxChar*) text);
 297         tcItem.pszText = buf;
 298         tcItem.cchTextMax = 256;
 299     }
 300     if (imageId != -1)
 301     {
 302         tcItem.mask |= TCIF_IMAGE;
 303         tcItem.iImage = imageId;
 304     }
 305
 306     return (TabCtrl_InsertItem( (HWND) GetHWND(), item, & tcItem) != -1);
 307 }
 308
 309 // Set the selection
 310 int wxTabCtrl::SetSelection(int item)
 311 {
 312     return (int) TabCtrl_SetCurSel( (HWND) GetHWND(), item );
 313 }
 314
 315 // Set the image list
 316 void wxTabCtrl::SetImageList(wxImageList* imageList)
 317 {
 318     m_imageList = imageList;
 319     (void) TabCtrl_SetImageList( (HWND) GetHWND(), (HIMAGELIST) imageList->GetHIMAGELIST() );
 320 }
 321
 322 // Set the text for an item
 323 bool wxTabCtrl::SetItemText(int item, const wxString& text)
 324 {
 325     wxChar buf[256];
 326     TC_ITEM tcItem;
 327     tcItem.mask = TCIF_TEXT;
 328     wxStrcpy(buf, (const wxChar*) text);
 329     tcItem.pszText = buf;
 330     tcItem.cchTextMax = 256;
 331
 332     return ( TabCtrl_SetItem( (HWND) GetHWND(), item, & tcItem) != 0 );
 333 }
 334
 335 // Set the image for an item
 336 bool wxTabCtrl::SetItemImage(int item, int image)
 337 {
 338     TC_ITEM tcItem;
 339     tcItem.mask = TCIF_IMAGE;
 340     tcItem.iImage = image;
 341
 342     return ( TabCtrl_SetItem( (HWND) GetHWND(), item, & tcItem) != 0 );
 343 }
 344
 345 // Set the data for an item
 346 bool wxTabCtrl::SetItemData(int item, void* data)
 347 {
 348     TC_ITEM tcItem;
 349     tcItem.mask = TCIF_PARAM;
 350     tcItem.lParam = (long) data;
 351
 352     return ( TabCtrl_SetItem( (HWND) GetHWND(), item, & tcItem) != 0 );
 353 }
 354
 355 // Set the size for a fixed-width tab control
 356 void wxTabCtrl::SetItemSize(const wxSize& size)
 357 {
 358     TabCtrl_SetItemSize( (HWND) GetHWND(), size.x, size.y );
 359 }
 360
 361 // Set the padding between tabs
 362 void wxTabCtrl::SetPadding(const wxSize& padding)
 363 {
 364     TabCtrl_SetPadding( (HWND) GetHWND(), padding.x, padding.y );
 365 }
 366
 367 #if 0
 368 // These are the default colors used to map the bitmap colors
 369 // to the current system colors
 370
 371 #define BGR_BUTTONTEXT      (RGB(000,000,000))  // black
 372 #define BGR_BUTTONSHADOW    (RGB(128,128,128))  // dark grey
 373 #define BGR_BUTTONFACE      (RGB(192,192,192))  // bright grey
 374 #define BGR_BUTTONHILIGHT   (RGB(255,255,255))  // white
 375 #define BGR_BACKGROUNDSEL   (RGB(255,000,000))  // blue
 376 #define BGR_BACKGROUND      (RGB(255,000,255))  // magenta
 377
 378 void wxMapBitmap(HBITMAP hBitmap, int width, int height)
 379 {
 380   COLORMAP ColorMap[] = {
 381     {BGR_BUTTONTEXT,    COLOR_BTNTEXT},     // black
 382     {BGR_BUTTONSHADOW,  COLOR_BTNSHADOW},   // dark grey
 383     {BGR_BUTTONFACE,    COLOR_BTNFACE},     // bright grey
 384     {BGR_BUTTONHILIGHT, COLOR_BTNHIGHLIGHT},// white
 385     {BGR_BACKGROUNDSEL, COLOR_HIGHLIGHT},   // blue
 386     {BGR_BACKGROUND,    COLOR_WINDOW}       // magenta
 387   };
 388
 389   int NUM_MAPS = (sizeof(ColorMap)/sizeof(COLORMAP));
 390   int n;
 391   for ( n = 0; n < NUM_MAPS; n++)
 392   {
 393     ColorMap[n].to = ::GetSysColor(ColorMap[n].to);
 394   }
 395
 396   HBITMAP hbmOld;
 397   HDC hdcMem = CreateCompatibleDC(NULL);
 398
 399   if (hdcMem)
 400   {
 401     hbmOld = SelectObject(hdcMem, hBitmap);
 402
 403     int i, j, k;
 404     for ( i = 0; i < width; i++)
 405     {
 406         for ( j = 0; j < height; j++)
 407         {
 408             COLORREF pixel = ::GetPixel(hdcMem, i, j);
 409 /*
 410             BYTE red = GetRValue(pixel);
 411             BYTE green = GetGValue(pixel);
 412             BYTE blue = GetBValue(pixel);
 413 */
 414
 415             for ( k = 0; k < NUM_MAPS; k ++)
 416             {
 417                 if ( ColorMap[k].from == pixel )
 418                 {
 419                     /* COLORREF actualPixel = */ ::SetPixel(hdcMem, i, j, ColorMap[k].to);
 420                     break;
 421                 }
 422             }
 423         }
 424     }
 425
 426
 427     SelectObject(hdcMem, hbmOld);
 428     DeleteObject(hdcMem);
 429   }
 430
 431 }
 432 #endif
 433
 434 #endif // wxUSE_TAB_DIALOG