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