src/msw/tabctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "tabctrl.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #if defined(__WIN95__)
  28
  29 #if !defined(__GNUWIN32__) && !defined(__SALFORDC__)
  30 #include "malloc.h"
  31 #endif
  32
  33 #include <windows.h>
  34
  35 #if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
  36     #include <commctrl.h>
  37 #else
  38     #include "wx/msw/gnuwin32/extra.h"
  39 #endif
  40
  41 #include "wx/tabctrl.h"
  42 #include "wx/app.h"
  43 #include "wx/msw/private.h"
  44 #include "wx/msw/imaglist.h"
  45
  46 IMPLEMENT_DYNAMIC_CLASS(wxTabCtrl, wxControl)
  47 IMPLEMENT_DYNAMIC_CLASS(wxTabEvent, wxNotifyEvent)
  48
  49 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TAB_SEL_CHANGED)
  50 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TAB_SEL_CHANGING)
  51
  52 BEGIN_EVENT_TABLE(wxTabCtrl, wxControl)
  53     EVT_SYS_COLOUR_CHANGED(wxTabCtrl::OnSysColourChanged)
  54 END_EVENT_TABLE()
  55
  56 wxTabCtrl::wxTabCtrl()
  57 {
  58     m_imageList = NULL;
  59 }
  60
  61 bool wxTabCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  62             long style, const wxString& name)
  63 {
  64   m_imageList = NULL;
  65
  66   m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
  67       GetGValue(GetSysColor(COLOR_BTNFACE)), GetBValue(GetSysColor(COLOR_BTNFACE)));
  68   m_foregroundColour = *wxBLACK ;
  69
  70   SetName(name);
  71
  72   int x = pos.x;
  73   int y = pos.y;
  74   int width = size.x;
  75   int height = size.y;
  76
  77   m_windowStyle = style;
  78
  79   SetParent(parent);
  80
  81   if (width <= 0)
  82     width = 100;
  83   if (height <= 0)
  84     height = 30;
  85   if (x < 0)
  86     x = 0;
  87   if (y < 0)
  88     y = 0;
  89
  90   m_windowId = (id < 0 ? NewControlId() : id);
  91
  92   long tabStyle = WS_CHILD;
  93   if (m_windowStyle & wxTC_MULTILINE)
  94     tabStyle |= TCS_MULTILINE;
  95   if (m_windowStyle & wxTC_RIGHTJUSTIFY)
  96     tabStyle |= TCS_RIGHTJUSTIFY;
  97   if (m_windowStyle & wxTC_FIXEDWIDTH)
  98     tabStyle |= TCS_FIXEDWIDTH;
  99   if (m_windowStyle & wxTC_OWNERDRAW)
 100     tabStyle |= TCS_OWNERDRAWFIXED;
 101   if (m_windowStyle & wxBORDER)
 102     tabStyle |= WS_BORDER;
 103
 104   tabStyle |= TCS_TOOLTIPS;
 105
 106   // Create the toolbar control.
 107   HWND hWndTabCtrl = CreateWindowEx(0L,     // No extended styles.
 108     WC_TABCONTROL,                          // Class name for the tab control
 109     wxT(""),                                 // No default text.
 110     tabStyle,    // Styles and defaults.
 111     x, y, width, height,                    // Standard size and position.
 112     (HWND) parent->GetHWND(),               // Parent window
 113     (HMENU)m_windowId,                      // ID.
 114     wxGetInstance(),                        // Current instance.
 115     NULL );                                 // No class data.
 116
 117   m_hWnd = (WXHWND) hWndTabCtrl;
 118   if (parent) parent->AddChild(this);
 119
 120   SubclassWin((WXHWND) hWndTabCtrl);
 121
 122   SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 123
 124   return TRUE;
 125 }
 126
 127 wxTabCtrl::~wxTabCtrl()
 128 {
 129   UnsubclassWin();
 130 }
 131
 132 bool wxTabCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 133 {
 134     wxTabEvent event(wxEVT_NULL, m_windowId);
 135     wxEventType eventType = wxEVT_NULL;
 136     NMHDR* hdr1 = (NMHDR*) lParam;
 137     switch ( hdr1->code )
 138     {
 139         case TCN_SELCHANGE:
 140             eventType = wxEVT_COMMAND_TAB_SEL_CHANGED;
 141             break;
 142
 143         case TCN_SELCHANGING:
 144             eventType = wxEVT_COMMAND_TAB_SEL_CHANGING;
 145             break;
 146
 147         case TTN_NEEDTEXT:
 148         {
 149             // TODO
 150 //            if (tool->m_shortHelpString != "")
 151 //                ttText->lpszText = (char *) (const char *)tool->m_shortHelpString;
 152         }
 153
 154         default :
 155             return wxControl::MSWOnNotify(idCtrl, lParam, result);
 156     }
 157
 158     event.SetEventObject( this );
 159     event.SetEventType(eventType);
 160     event.SetInt(idCtrl) ;
 161     event.SetSelection(idCtrl);
 162
 163     return ProcessEvent(event);
 164 }
 165
 166 // Responds to colour changes, and passes event on to children.
 167 void wxTabCtrl::OnSysColourChanged(wxSysColourChangedEvent& event)
 168 {
 169     m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
 170                                   GetGValue(GetSysColor(COLOR_BTNFACE)),
 171                                   GetBValue(GetSysColor(COLOR_BTNFACE)));
 172
 173     Refresh();
 174
 175     // Propagate the event to the non-top-level children
 176     wxWindow::OnSysColourChanged(event);
 177 }
 178
 179 // Delete all items
 180 bool wxTabCtrl::DeleteAllItems()
 181 {
 182     return ( TabCtrl_DeleteAllItems( (HWND) GetHWND() ) != FALSE );
 183 }
 184
 185 // Delete an item
 186 bool wxTabCtrl::DeleteItem(int item)
 187 {
 188     return ( TabCtrl_DeleteItem( (HWND) GetHWND(), item) != FALSE );
 189 }
 190
 191 // Get the selection
 192 int wxTabCtrl::GetSelection() const
 193 {
 194     return (int) TabCtrl_GetCurSel( (HWND) GetHWND() );
 195 }
 196
 197 // Get the tab with the current keyboard focus
 198 int wxTabCtrl::GetCurFocus() const
 199 {
 200     return (int) TabCtrl_GetCurFocus( (HWND) GetHWND() );
 201 }
 202
 203 // Get the associated image list
 204 wxImageList* wxTabCtrl::GetImageList() const
 205 {
 206     return m_imageList;
 207 }
 208
 209 // Get the number of items
 210 int wxTabCtrl::GetItemCount() const
 211 {
 212     return (int) TabCtrl_GetItemCount( (HWND) GetHWND() );
 213 }
 214
 215 // Get the rect corresponding to the tab
 216 bool wxTabCtrl::GetItemRect(int item, wxRect& wxrect) const
 217 {
 218     RECT rect;
 219     if ( !TabCtrl_GetItemRect( (HWND) GetHWND(), item, & rect) )
 220         return FALSE;
 221     else
 222     {
 223         wxrect.x = rect.left; wxrect.y = rect.top;
 224         wxrect.width = rect.right - rect.left;
 225         wxrect.height = rect.bottom - rect.top;
 226         return TRUE;
 227     }
 228 }
 229
 230 // Get the number of rows
 231 int wxTabCtrl::GetRowCount() const
 232 {
 233     return (int) TabCtrl_GetRowCount( (HWND) GetHWND() );
 234 }
 235
 236 // Get the item text
 237 wxString wxTabCtrl::GetItemText(int item) const
 238 {
 239     wxChar buf[256];
 240     wxString str(wxT(""));
 241     TC_ITEM tcItem;
 242     tcItem.mask = TCIF_TEXT;
 243     tcItem.pszText = buf;
 244     tcItem.cchTextMax = 256;
 245
 246     if (TabCtrl_GetItem( (HWND) GetHWND(), item, & tcItem) )
 247         str = tcItem.pszText;
 248
 249     return str;
 250 }
 251
 252 // Get the item image
 253 int wxTabCtrl::GetItemImage(int item) const
 254 {
 255     TC_ITEM tcItem;
 256     tcItem.mask = TCIF_IMAGE;
 257
 258     if (TabCtrl_GetItem( (HWND) GetHWND(), item, & tcItem) )
 259         return tcItem.iImage;
 260     else
 261         return -1;
 262 }
 263
 264 // Get the item data
 265 void* wxTabCtrl::GetItemData(int item) const
 266 {
 267     TC_ITEM tcItem;
 268     tcItem.mask = TCIF_PARAM;
 269
 270     if (TabCtrl_GetItem( (HWND) GetHWND(), item, & tcItem) )
 271         return (void*) tcItem.lParam;
 272     else
 273         return 0;
 274 }
 275
 276 // Hit test
 277 int wxTabCtrl::HitTest(const wxPoint& pt, long& flags)
 278 {
 279     TC_HITTESTINFO hitTestInfo;
 280     hitTestInfo.pt.x = pt.x;
 281     hitTestInfo.pt.y = pt.y;
 282     int item = TabCtrl_HitTest( (HWND) GetHWND(), & hitTestInfo ) ;
 283     flags = 0;
 284
 285     if ((hitTestInfo.flags & TCHT_NOWHERE) == TCHT_NOWHERE)
 286         flags |= wxTAB_HITTEST_NOWHERE;
 287     if ((hitTestInfo.flags & TCHT_ONITEMICON) == TCHT_ONITEMICON)
 288         flags |= wxTAB_HITTEST_ONICON;
 289     if ((hitTestInfo.flags & TCHT_ONITEMLABEL) == TCHT_ONITEMLABEL)
 290         flags |= wxTAB_HITTEST_ONLABEL;
 291
 292     return item;
 293 }
 294
 295 // Insert an item
 296 bool wxTabCtrl::InsertItem(int item, const wxString& text, int imageId, void* data)
 297 {
 298     wxChar buf[256];
 299     TC_ITEM tcItem;
 300     tcItem.mask = TCIF_PARAM;
 301     tcItem.lParam = (long) data;
 302     if (text != wxT(""))
 303     {
 304         tcItem.mask |= TCIF_TEXT;
 305         wxStrcpy(buf, (const wxChar*) text);
 306         tcItem.pszText = buf;
 307         tcItem.cchTextMax = 256;
 308     }
 309     if (imageId != -1)
 310     {
 311         tcItem.mask |= TCIF_IMAGE;
 312         tcItem.iImage = imageId;
 313     }
 314
 315     return (TabCtrl_InsertItem( (HWND) GetHWND(), item, & tcItem) != -1);
 316 }
 317
 318 // Set the selection
 319 int wxTabCtrl::SetSelection(int item)
 320 {
 321     return (int) TabCtrl_SetCurSel( (HWND) GetHWND(), item );
 322 }
 323
 324 // Set the image list
 325 void wxTabCtrl::SetImageList(wxImageList* imageList)
 326 {
 327     m_imageList = imageList;
 328     TabCtrl_SetImageList( (HWND) GetHWND(), (HIMAGELIST) imageList->GetHIMAGELIST() );
 329 }
 330
 331 // Set the text for an item
 332 bool wxTabCtrl::SetItemText(int item, const wxString& text)
 333 {
 334     wxChar buf[256];
 335     TC_ITEM tcItem;
 336     tcItem.mask = TCIF_TEXT;
 337     wxStrcpy(buf, (const wxChar*) text);
 338     tcItem.pszText = buf;
 339     tcItem.cchTextMax = 256;
 340
 341     return ( TabCtrl_SetItem( (HWND) GetHWND(), item, & tcItem) != 0 );
 342 }
 343
 344 // Set the image for an item
 345 bool wxTabCtrl::SetItemImage(int item, int image)
 346 {
 347     TC_ITEM tcItem;
 348     tcItem.mask = TCIF_IMAGE;
 349     tcItem.iImage = image;
 350
 351     return ( TabCtrl_SetItem( (HWND) GetHWND(), item, & tcItem) != 0 );
 352 }
 353
 354 // Set the data for an item
 355 bool wxTabCtrl::SetItemData(int item, void* data)
 356 {
 357     TC_ITEM tcItem;
 358     tcItem.mask = TCIF_PARAM;
 359     tcItem.lParam = (long) data;
 360
 361     return ( TabCtrl_SetItem( (HWND) GetHWND(), item, & tcItem) != 0 );
 362 }
 363
 364 // Set the size for a fixed-width tab control
 365 void wxTabCtrl::SetItemSize(const wxSize& size)
 366 {
 367     TabCtrl_SetItemSize( (HWND) GetHWND(), size.x, size.y );
 368 }
 369
 370 // Set the padding between tabs
 371 void wxTabCtrl::SetPadding(const wxSize& padding)
 372 {
 373     TabCtrl_SetPadding( (HWND) GetHWND(), padding.x, padding.y );
 374 }
 375
 376 #if 0
 377 // These are the default colors used to map the bitmap colors
 378 // to the current system colors
 379
 380 #define BGR_BUTTONTEXT      (RGB(000,000,000))  // black
 381 #define BGR_BUTTONSHADOW    (RGB(128,128,128))  // dark grey
 382 #define BGR_BUTTONFACE      (RGB(192,192,192))  // bright grey
 383 #define BGR_BUTTONHILIGHT   (RGB(255,255,255))  // white
 384 #define BGR_BACKGROUNDSEL   (RGB(255,000,000))  // blue
 385 #define BGR_BACKGROUND      (RGB(255,000,255))  // magenta
 386
 387 void wxMapBitmap(HBITMAP hBitmap, int width, int height)
 388 {
 389   COLORMAP ColorMap[] = {
 390     {BGR_BUTTONTEXT,    COLOR_BTNTEXT},     // black
 391     {BGR_BUTTONSHADOW,  COLOR_BTNSHADOW},   // dark grey
 392     {BGR_BUTTONFACE,    COLOR_BTNFACE},     // bright grey
 393     {BGR_BUTTONHILIGHT, COLOR_BTNHIGHLIGHT},// white
 394     {BGR_BACKGROUNDSEL, COLOR_HIGHLIGHT},   // blue
 395     {BGR_BACKGROUND,    COLOR_WINDOW}       // magenta
 396   };
 397
 398   int NUM_MAPS = (sizeof(ColorMap)/sizeof(COLORMAP));
 399   int n;
 400   for ( n = 0; n < NUM_MAPS; n++)
 401   {
 402     ColorMap[n].to = ::GetSysColor(ColorMap[n].to);
 403   }
 404
 405   HBITMAP hbmOld;
 406   HDC hdcMem = CreateCompatibleDC(NULL);
 407
 408   if (hdcMem)
 409   {
 410     hbmOld = SelectObject(hdcMem, hBitmap);
 411
 412     int i, j, k;
 413     for ( i = 0; i < width; i++)
 414     {
 415         for ( j = 0; j < height; j++)
 416         {
 417             COLORREF pixel = ::GetPixel(hdcMem, i, j);
 418 /*
 419             BYTE red = GetRValue(pixel);
 420             BYTE green = GetGValue(pixel);
 421             BYTE blue = GetBValue(pixel);
 422 */
 423
 424             for ( k = 0; k < NUM_MAPS; k ++)
 425             {
 426                 if ( ColorMap[k].from == pixel )
 427                 {
 428                     /* COLORREF actualPixel = */ ::SetPixel(hdcMem, i, j, ColorMap[k].to);
 429                     break;
 430                 }
 431             }
 432         }
 433     }
 434
 435
 436     SelectObject(hdcMem, hbmOld);
 437     DeleteObject(hdcMem);
 438   }
 439
 440 }
 441 #endif
 442
 443 #endif
 444     // __WIN95__