| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/listctrl.cpp |
| 3 | // Purpose: wxListCtrl |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "listctrl.h" |
| 22 | #pragma implementation "listctrlbase.h" |
| 23 | #endif |
| 24 | |
| 25 | // For compilers that support precompilation, includes "wx.h". |
| 26 | #include "wx/wxprec.h" |
| 27 | |
| 28 | #ifdef __BORLANDC__ |
| 29 | #pragma hdrstop |
| 30 | #endif |
| 31 | |
| 32 | #if wxUSE_LISTCTRL && defined(__WIN95__) |
| 33 | |
| 34 | #ifndef WX_PRECOMP |
| 35 | #include "wx/app.h" |
| 36 | #include "wx/intl.h" |
| 37 | #include "wx/log.h" |
| 38 | #include "wx/settings.h" |
| 39 | #endif |
| 40 | |
| 41 | #include "wx/textctrl.h" |
| 42 | #include "wx/imaglist.h" |
| 43 | #include "wx/listctrl.h" |
| 44 | #include "wx/dcclient.h" |
| 45 | |
| 46 | #include "wx/msw/private.h" |
| 47 | |
| 48 | #if ((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) |
| 49 | #include "wx/msw/gnuwin32/extra.h" |
| 50 | #else |
| 51 | #include <commctrl.h> |
| 52 | #endif |
| 53 | |
| 54 | #ifndef LVHT_ONITEM |
| 55 | #define LVHT_ONITEM \ |
| 56 | (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON) |
| 57 | #endif |
| 58 | |
| 59 | #ifndef LVM_SETEXTENDEDLISTVIEWSTYLE |
| 60 | #define LVM_SETEXTENDEDLISTVIEWSTYLE (0x1000 + 54) |
| 61 | #endif |
| 62 | |
| 63 | #ifndef LVS_EX_FULLROWSELECT |
| 64 | #define LVS_EX_FULLROWSELECT 0x00000020 |
| 65 | #endif |
| 66 | |
| 67 | #ifndef LVS_OWNERDATA |
| 68 | #define LVS_OWNERDATA 0x1000 |
| 69 | #endif |
| 70 | |
| 71 | // mingw32/cygwin don't have declarations for comctl32.dll 4.70+ stuff |
| 72 | #ifndef NM_CACHEHINT |
| 73 | typedef struct tagNMLVCACHEHINT |
| 74 | { |
| 75 | NMHDR hdr; |
| 76 | int iFrom; |
| 77 | int iTo; |
| 78 | } NMLVCACHEHINT; |
| 79 | |
| 80 | #define NM_CACHEHINT NMLVCACHEHINT |
| 81 | #endif |
| 82 | |
| 83 | #ifndef LVN_ODCACHEHINT |
| 84 | #define LVN_ODCACHEHINT (-113) |
| 85 | #endif |
| 86 | |
| 87 | #ifndef ListView_GetHeader |
| 88 | #define ListView_GetHeader(w) (HWND)SendMessage((w),LVM_GETHEADER,0,0) |
| 89 | #endif |
| 90 | |
| 91 | #ifndef LVM_GETHEADER |
| 92 | #define LVM_GETHEADER (LVM_FIRST+31) |
| 93 | #endif |
| 94 | |
| 95 | #ifndef Header_GetItemRect |
| 96 | #define Header_GetItemRect(w,i,r) \ |
| 97 | (BOOL)SendMessage((w),HDM_GETITEMRECT,(WPARAM)(i),(LPARAM)(r)) |
| 98 | #endif |
| 99 | |
| 100 | #ifndef HDM_GETITEMRECT |
| 101 | #define HDM_GETITEMRECT (HDM_FIRST+7) |
| 102 | #endif |
| 103 | |
| 104 | #ifndef LVCF_IMAGE |
| 105 | #define LVCF_IMAGE 0x0010 |
| 106 | #endif |
| 107 | |
| 108 | #ifndef LVCFMT_BITMAP_ON_RIGHT |
| 109 | #define LVCFMT_BITMAP_ON_RIGHT 0x1000 |
| 110 | #endif |
| 111 | |
| 112 | // ---------------------------------------------------------------------------- |
| 113 | // private functions |
| 114 | // ---------------------------------------------------------------------------- |
| 115 | |
| 116 | // convert our state and mask flags to LV_ITEM constants |
| 117 | static void wxConvertToMSWFlags(long state, long mask, LV_ITEM& lvItem); |
| 118 | |
| 119 | // convert wxListItem to LV_ITEM |
| 120 | static void wxConvertToMSWListItem(const wxListCtrl *ctrl, |
| 121 | const wxListItem& info, LV_ITEM& lvItem); |
| 122 | |
| 123 | // convert LV_ITEM to wxListItem |
| 124 | static void wxConvertFromMSWListItem(HWND hwndListCtrl, |
| 125 | wxListItem& info, |
| 126 | /* const */ LV_ITEM& lvItem); |
| 127 | |
| 128 | // convert our wxListItem to LV_COLUMN |
| 129 | static void wxConvertToMSWListCol(int col, const wxListItem& item, |
| 130 | LV_COLUMN& lvCol); |
| 131 | |
| 132 | // ---------------------------------------------------------------------------- |
| 133 | // events |
| 134 | // ---------------------------------------------------------------------------- |
| 135 | |
| 136 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG) |
| 137 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG) |
| 138 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT) |
| 139 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT) |
| 140 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM) |
| 141 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS) |
| 142 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO) |
| 143 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO) |
| 144 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED) |
| 145 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED) |
| 146 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN) |
| 147 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM) |
| 148 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK) |
| 149 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK) |
| 150 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG) |
| 151 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING) |
| 152 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG) |
| 153 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK) |
| 154 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK) |
| 155 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED) |
| 156 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED) |
| 157 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT) |
| 158 | |
| 159 | IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl) |
| 160 | IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl) |
| 161 | IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject) |
| 162 | |
| 163 | IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent) |
| 164 | |
| 165 | BEGIN_EVENT_TABLE(wxListCtrl, wxControl) |
| 166 | EVT_PAINT(wxListCtrl::OnPaint) |
| 167 | END_EVENT_TABLE() |
| 168 | |
| 169 | // ============================================================================ |
| 170 | // implementation |
| 171 | // ============================================================================ |
| 172 | |
| 173 | // ---------------------------------------------------------------------------- |
| 174 | // wxListCtrl construction |
| 175 | // ---------------------------------------------------------------------------- |
| 176 | |
| 177 | void wxListCtrl::Init() |
| 178 | { |
| 179 | m_imageListNormal = NULL; |
| 180 | m_imageListSmall = NULL; |
| 181 | m_imageListState = NULL; |
| 182 | m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE; |
| 183 | m_baseStyle = 0; |
| 184 | m_colCount = 0; |
| 185 | m_textCtrl = NULL; |
| 186 | m_hasAnyAttr = FALSE; |
| 187 | } |
| 188 | |
| 189 | bool wxListCtrl::Create(wxWindow *parent, |
| 190 | wxWindowID id, |
| 191 | const wxPoint& pos, |
| 192 | const wxSize& size, |
| 193 | long style, |
| 194 | const wxValidator& validator, |
| 195 | const wxString& name) |
| 196 | { |
| 197 | #if wxUSE_VALIDATORS |
| 198 | SetValidator(validator); |
| 199 | #endif // wxUSE_VALIDATORS |
| 200 | |
| 201 | SetName(name); |
| 202 | |
| 203 | int x = pos.x; |
| 204 | int y = pos.y; |
| 205 | int width = size.x; |
| 206 | int height = size.y; |
| 207 | |
| 208 | m_windowStyle = style; |
| 209 | |
| 210 | SetParent(parent); |
| 211 | |
| 212 | if (width <= 0) |
| 213 | width = 100; |
| 214 | if (height <= 0) |
| 215 | height = 30; |
| 216 | if (x < 0) |
| 217 | x = 0; |
| 218 | if (y < 0) |
| 219 | y = 0; |
| 220 | |
| 221 | m_windowId = (id == -1) ? NewControlId() : id; |
| 222 | |
| 223 | DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | |
| 224 | LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS; |
| 225 | |
| 226 | if ( m_windowStyle & wxCLIP_SIBLINGS ) |
| 227 | wstyle |= WS_CLIPSIBLINGS; |
| 228 | |
| 229 | if ( wxStyleHasBorder(m_windowStyle) ) |
| 230 | wstyle |= WS_BORDER; |
| 231 | m_baseStyle = wstyle; |
| 232 | |
| 233 | if ( !DoCreateControl(x, y, width, height) ) |
| 234 | return FALSE; |
| 235 | |
| 236 | if (parent) |
| 237 | parent->AddChild(this); |
| 238 | |
| 239 | return TRUE; |
| 240 | } |
| 241 | |
| 242 | bool wxListCtrl::DoCreateControl(int x, int y, int w, int h) |
| 243 | { |
| 244 | DWORD wstyle = m_baseStyle; |
| 245 | |
| 246 | bool want3D; |
| 247 | WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); |
| 248 | |
| 249 | // Even with extended styles, need to combine with WS_BORDER |
| 250 | // for them to look right. |
| 251 | if ( want3D ) |
| 252 | wstyle |= WS_BORDER; |
| 253 | |
| 254 | long oldStyle = 0; // Dummy |
| 255 | wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle); |
| 256 | |
| 257 | // Create the ListView control. |
| 258 | m_hWnd = (WXHWND)CreateWindowEx(exStyle, |
| 259 | WC_LISTVIEW, |
| 260 | wxT(""), |
| 261 | wstyle, |
| 262 | x, y, w, h, |
| 263 | GetWinHwnd(GetParent()), |
| 264 | (HMENU)m_windowId, |
| 265 | wxGetInstance(), |
| 266 | NULL); |
| 267 | |
| 268 | if ( !m_hWnd ) |
| 269 | { |
| 270 | wxLogError(_("Can't create list control window, check that comctl32.dll is installed.")); |
| 271 | |
| 272 | return FALSE; |
| 273 | } |
| 274 | |
| 275 | // for comctl32.dll v 4.70+ we want to have this attribute because it's |
| 276 | // prettier (and also because wxGTK does it like this) |
| 277 | if ( (wstyle & LVS_REPORT) && wxTheApp->GetComCtl32Version() >= 470 ) |
| 278 | { |
| 279 | ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, |
| 280 | 0, LVS_EX_FULLROWSELECT); |
| 281 | } |
| 282 | |
| 283 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); |
| 284 | SetForegroundColour(GetParent()->GetForegroundColour()); |
| 285 | |
| 286 | SubclassWin(m_hWnd); |
| 287 | |
| 288 | return TRUE; |
| 289 | } |
| 290 | |
| 291 | void wxListCtrl::UpdateStyle() |
| 292 | { |
| 293 | if ( GetHWND() ) |
| 294 | { |
| 295 | // The new window view style |
| 296 | long dummy; |
| 297 | DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle); |
| 298 | dwStyleNew |= m_baseStyle; |
| 299 | |
| 300 | // Get the current window style. |
| 301 | DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE); |
| 302 | |
| 303 | // Only set the window style if the view bits have changed. |
| 304 | if ( dwStyleOld != dwStyleNew ) |
| 305 | { |
| 306 | ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew); |
| 307 | } |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | void wxListCtrl::FreeAllAttrs(bool dontRecreate) |
| 312 | { |
| 313 | if ( m_hasAnyAttr ) |
| 314 | { |
| 315 | for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() ) |
| 316 | { |
| 317 | delete (wxListItemAttr *)node->Data(); |
| 318 | } |
| 319 | |
| 320 | m_attrs.Destroy(); |
| 321 | if ( !dontRecreate ) |
| 322 | { |
| 323 | m_attrs.Create(wxKEY_INTEGER, 1000); // just as def ctor |
| 324 | } |
| 325 | |
| 326 | m_hasAnyAttr = FALSE; |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | wxListCtrl::~wxListCtrl() |
| 331 | { |
| 332 | FreeAllAttrs(TRUE /* no need to recreate hash any more */); |
| 333 | |
| 334 | if ( m_textCtrl ) |
| 335 | { |
| 336 | m_textCtrl->SetHWND(0); |
| 337 | m_textCtrl->UnsubclassWin(); |
| 338 | delete m_textCtrl; |
| 339 | m_textCtrl = NULL; |
| 340 | } |
| 341 | |
| 342 | if (m_ownsImageListNormal) delete m_imageListNormal; |
| 343 | if (m_ownsImageListSmall) delete m_imageListSmall; |
| 344 | if (m_ownsImageListState) delete m_imageListState; |
| 345 | } |
| 346 | |
| 347 | // ---------------------------------------------------------------------------- |
| 348 | // set/get/change style |
| 349 | // ---------------------------------------------------------------------------- |
| 350 | |
| 351 | // Add or remove a single window style |
| 352 | void wxListCtrl::SetSingleStyle(long style, bool add) |
| 353 | { |
| 354 | long flag = GetWindowStyleFlag(); |
| 355 | |
| 356 | // Get rid of conflicting styles |
| 357 | if ( add ) |
| 358 | { |
| 359 | if ( style & wxLC_MASK_TYPE) |
| 360 | flag = flag & ~wxLC_MASK_TYPE; |
| 361 | if ( style & wxLC_MASK_ALIGN ) |
| 362 | flag = flag & ~wxLC_MASK_ALIGN; |
| 363 | if ( style & wxLC_MASK_SORT ) |
| 364 | flag = flag & ~wxLC_MASK_SORT; |
| 365 | } |
| 366 | |
| 367 | if ( flag & style ) |
| 368 | { |
| 369 | if ( !add ) |
| 370 | flag -= style; |
| 371 | } |
| 372 | else |
| 373 | { |
| 374 | if ( add ) |
| 375 | { |
| 376 | flag |= style; |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | m_windowStyle = flag; |
| 381 | |
| 382 | UpdateStyle(); |
| 383 | } |
| 384 | |
| 385 | // Set the whole window style |
| 386 | void wxListCtrl::SetWindowStyleFlag(long flag) |
| 387 | { |
| 388 | m_windowStyle = flag; |
| 389 | |
| 390 | UpdateStyle(); |
| 391 | } |
| 392 | |
| 393 | // Can be just a single style, or a bitlist |
| 394 | long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const |
| 395 | { |
| 396 | long wstyle = 0; |
| 397 | if ( style & wxLC_ICON ) |
| 398 | { |
| 399 | if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) |
| 400 | oldStyle -= LVS_SMALLICON; |
| 401 | if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) |
| 402 | oldStyle -= LVS_REPORT; |
| 403 | if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) |
| 404 | oldStyle -= LVS_LIST; |
| 405 | wstyle |= LVS_ICON; |
| 406 | } |
| 407 | |
| 408 | if ( style & wxLC_SMALL_ICON ) |
| 409 | { |
| 410 | if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) |
| 411 | oldStyle -= LVS_ICON; |
| 412 | if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) |
| 413 | oldStyle -= LVS_REPORT; |
| 414 | if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) |
| 415 | oldStyle -= LVS_LIST; |
| 416 | wstyle |= LVS_SMALLICON; |
| 417 | } |
| 418 | |
| 419 | if ( style & wxLC_LIST ) |
| 420 | { |
| 421 | if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) |
| 422 | oldStyle -= LVS_ICON; |
| 423 | if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) |
| 424 | oldStyle -= LVS_REPORT; |
| 425 | if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) |
| 426 | oldStyle -= LVS_SMALLICON; |
| 427 | wstyle |= LVS_LIST; |
| 428 | } |
| 429 | |
| 430 | if ( style & wxLC_REPORT ) |
| 431 | { |
| 432 | if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) |
| 433 | oldStyle -= LVS_ICON; |
| 434 | if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) |
| 435 | oldStyle -= LVS_LIST; |
| 436 | if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) |
| 437 | oldStyle -= LVS_SMALLICON; |
| 438 | |
| 439 | wstyle |= LVS_REPORT; |
| 440 | } |
| 441 | |
| 442 | if ( style & wxLC_ALIGN_LEFT ) |
| 443 | { |
| 444 | if ( oldStyle & LVS_ALIGNTOP ) |
| 445 | oldStyle -= LVS_ALIGNTOP; |
| 446 | wstyle |= LVS_ALIGNLEFT; |
| 447 | } |
| 448 | |
| 449 | if ( style & wxLC_ALIGN_TOP ) |
| 450 | { |
| 451 | if ( oldStyle & LVS_ALIGNLEFT ) |
| 452 | oldStyle -= LVS_ALIGNLEFT; |
| 453 | wstyle |= LVS_ALIGNTOP; |
| 454 | } |
| 455 | |
| 456 | if ( style & wxLC_AUTOARRANGE ) |
| 457 | wstyle |= LVS_AUTOARRANGE; |
| 458 | |
| 459 | if ( style & wxLC_NO_SORT_HEADER ) |
| 460 | wstyle |= LVS_NOSORTHEADER; |
| 461 | |
| 462 | if ( style & wxLC_NO_HEADER ) |
| 463 | wstyle |= LVS_NOCOLUMNHEADER; |
| 464 | |
| 465 | if ( style & wxLC_EDIT_LABELS ) |
| 466 | wstyle |= LVS_EDITLABELS; |
| 467 | |
| 468 | if ( style & wxLC_SINGLE_SEL ) |
| 469 | wstyle |= LVS_SINGLESEL; |
| 470 | |
| 471 | if ( style & wxLC_SORT_ASCENDING ) |
| 472 | { |
| 473 | if ( oldStyle & LVS_SORTDESCENDING ) |
| 474 | oldStyle -= LVS_SORTDESCENDING; |
| 475 | wstyle |= LVS_SORTASCENDING; |
| 476 | } |
| 477 | |
| 478 | if ( style & wxLC_SORT_DESCENDING ) |
| 479 | { |
| 480 | if ( oldStyle & LVS_SORTASCENDING ) |
| 481 | oldStyle -= LVS_SORTASCENDING; |
| 482 | wstyle |= LVS_SORTDESCENDING; |
| 483 | } |
| 484 | |
| 485 | #if !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) |
| 486 | if ( style & wxLC_VIRTUAL ) |
| 487 | { |
| 488 | int ver = wxTheApp->GetComCtl32Version(); |
| 489 | if ( ver < 470 ) |
| 490 | { |
| 491 | wxLogWarning(_("Please install a newer version of comctl32.dll\n(at least version 4.70 is required but you have %d.%02d)\nor this program won't operate correctly."), |
| 492 | ver / 100, ver % 100); |
| 493 | } |
| 494 | |
| 495 | wstyle |= LVS_OWNERDATA; |
| 496 | } |
| 497 | #endif |
| 498 | |
| 499 | return wstyle; |
| 500 | } |
| 501 | |
| 502 | // ---------------------------------------------------------------------------- |
| 503 | // accessors |
| 504 | // ---------------------------------------------------------------------------- |
| 505 | |
| 506 | // Sets the foreground, i.e. text, colour |
| 507 | bool wxListCtrl::SetForegroundColour(const wxColour& col) |
| 508 | { |
| 509 | if ( !wxWindow::SetForegroundColour(col) ) |
| 510 | return FALSE; |
| 511 | |
| 512 | ListView_SetTextColor(GetHwnd(), wxColourToRGB(col)); |
| 513 | |
| 514 | return TRUE; |
| 515 | } |
| 516 | |
| 517 | // Sets the background colour |
| 518 | bool wxListCtrl::SetBackgroundColour(const wxColour& col) |
| 519 | { |
| 520 | if ( !wxWindow::SetBackgroundColour(col) ) |
| 521 | return FALSE; |
| 522 | |
| 523 | // we set the same colour for both the "empty" background and the items |
| 524 | // background |
| 525 | COLORREF color = wxColourToRGB(col); |
| 526 | ListView_SetBkColor(GetHwnd(), color); |
| 527 | ListView_SetTextBkColor(GetHwnd(), color); |
| 528 | |
| 529 | return TRUE; |
| 530 | } |
| 531 | |
| 532 | // Gets information about this column |
| 533 | bool wxListCtrl::GetColumn(int col, wxListItem& item) const |
| 534 | { |
| 535 | LV_COLUMN lvCol; |
| 536 | wxZeroMemory(lvCol); |
| 537 | |
| 538 | if ( item.m_mask & wxLIST_MASK_TEXT ) |
| 539 | { |
| 540 | lvCol.mask |= LVCF_TEXT; |
| 541 | lvCol.pszText = new wxChar[513]; |
| 542 | lvCol.cchTextMax = 512; |
| 543 | } |
| 544 | |
| 545 | bool success = ListView_GetColumn(GetHwnd(), col, & lvCol) != 0; |
| 546 | |
| 547 | // item.m_subItem = lvCol.iSubItem; |
| 548 | item.m_width = lvCol.cx; |
| 549 | |
| 550 | if ( (item.m_mask & wxLIST_MASK_TEXT) && lvCol.pszText ) |
| 551 | { |
| 552 | item.m_text = lvCol.pszText; |
| 553 | delete[] lvCol.pszText; |
| 554 | } |
| 555 | |
| 556 | if ( item.m_mask & wxLIST_MASK_FORMAT ) |
| 557 | { |
| 558 | if (lvCol.fmt == LVCFMT_LEFT) |
| 559 | item.m_format = wxLIST_FORMAT_LEFT; |
| 560 | else if (lvCol.fmt == LVCFMT_RIGHT) |
| 561 | item.m_format = wxLIST_FORMAT_RIGHT; |
| 562 | else if (lvCol.fmt == LVCFMT_CENTER) |
| 563 | item.m_format = wxLIST_FORMAT_CENTRE; |
| 564 | } |
| 565 | |
| 566 | return success; |
| 567 | } |
| 568 | |
| 569 | // Sets information about this column |
| 570 | bool wxListCtrl::SetColumn(int col, wxListItem& item) |
| 571 | { |
| 572 | LV_COLUMN lvCol; |
| 573 | wxConvertToMSWListCol(col, item, lvCol); |
| 574 | |
| 575 | return ListView_SetColumn(GetHwnd(), col, &lvCol) != 0; |
| 576 | } |
| 577 | |
| 578 | // Gets the column width |
| 579 | int wxListCtrl::GetColumnWidth(int col) const |
| 580 | { |
| 581 | return ListView_GetColumnWidth(GetHwnd(), col); |
| 582 | } |
| 583 | |
| 584 | // Sets the column width |
| 585 | bool wxListCtrl::SetColumnWidth(int col, int width) |
| 586 | { |
| 587 | int col2 = col; |
| 588 | if ( m_windowStyle & wxLC_LIST ) |
| 589 | col2 = -1; |
| 590 | |
| 591 | int width2 = width; |
| 592 | if ( width2 == wxLIST_AUTOSIZE) |
| 593 | width2 = LVSCW_AUTOSIZE; |
| 594 | else if ( width2 == wxLIST_AUTOSIZE_USEHEADER) |
| 595 | width2 = LVSCW_AUTOSIZE_USEHEADER; |
| 596 | |
| 597 | return ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0; |
| 598 | } |
| 599 | |
| 600 | // Gets the number of items that can fit vertically in the |
| 601 | // visible area of the list control (list or report view) |
| 602 | // or the total number of items in the list control (icon |
| 603 | // or small icon view) |
| 604 | int wxListCtrl::GetCountPerPage() const |
| 605 | { |
| 606 | return ListView_GetCountPerPage(GetHwnd()); |
| 607 | } |
| 608 | |
| 609 | // Gets the edit control for editing labels. |
| 610 | wxTextCtrl* wxListCtrl::GetEditControl() const |
| 611 | { |
| 612 | return m_textCtrl; |
| 613 | } |
| 614 | |
| 615 | // Gets information about the item |
| 616 | bool wxListCtrl::GetItem(wxListItem& info) const |
| 617 | { |
| 618 | LV_ITEM lvItem; |
| 619 | wxZeroMemory(lvItem); |
| 620 | |
| 621 | lvItem.iItem = info.m_itemId; |
| 622 | lvItem.iSubItem = info.m_col; |
| 623 | |
| 624 | if ( info.m_mask & wxLIST_MASK_TEXT ) |
| 625 | { |
| 626 | lvItem.mask |= LVIF_TEXT; |
| 627 | lvItem.pszText = new wxChar[513]; |
| 628 | lvItem.cchTextMax = 512; |
| 629 | } |
| 630 | else |
| 631 | { |
| 632 | lvItem.pszText = NULL; |
| 633 | } |
| 634 | |
| 635 | if (info.m_mask & wxLIST_MASK_DATA) |
| 636 | lvItem.mask |= LVIF_PARAM; |
| 637 | |
| 638 | if (info.m_mask & wxLIST_MASK_IMAGE) |
| 639 | lvItem.mask |= LVIF_IMAGE; |
| 640 | |
| 641 | if ( info.m_mask & wxLIST_MASK_STATE ) |
| 642 | { |
| 643 | lvItem.mask |= LVIF_STATE; |
| 644 | // the other bits are hardly interesting anyhow |
| 645 | lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED; |
| 646 | } |
| 647 | |
| 648 | bool success = ListView_GetItem((HWND)GetHWND(), &lvItem) != 0; |
| 649 | if ( !success ) |
| 650 | { |
| 651 | wxLogError(_("Couldn't retrieve information about list control item %d."), |
| 652 | lvItem.iItem); |
| 653 | } |
| 654 | else |
| 655 | { |
| 656 | // give NULL as hwnd as we already have everything we need |
| 657 | wxConvertFromMSWListItem(NULL, info, lvItem); |
| 658 | } |
| 659 | |
| 660 | if (lvItem.pszText) |
| 661 | delete[] lvItem.pszText; |
| 662 | |
| 663 | return success; |
| 664 | } |
| 665 | |
| 666 | // Sets information about the item |
| 667 | bool wxListCtrl::SetItem(wxListItem& info) |
| 668 | { |
| 669 | LV_ITEM item; |
| 670 | wxConvertToMSWListItem(this, info, item); |
| 671 | |
| 672 | // we could be changing only the attribute in which case we don't need to |
| 673 | // call ListView_SetItem() at all |
| 674 | if ( item.mask ) |
| 675 | { |
| 676 | item.cchTextMax = 0; |
| 677 | if ( !ListView_SetItem(GetHwnd(), &item) ) |
| 678 | { |
| 679 | wxLogDebug(_T("ListView_SetItem() failed")); |
| 680 | |
| 681 | return FALSE; |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | // we need to update the item immediately to show the new image |
| 686 | bool updateNow = (info.m_mask & wxLIST_MASK_IMAGE) != 0; |
| 687 | |
| 688 | // check whether it has any custom attributes |
| 689 | if ( info.HasAttributes() ) |
| 690 | { |
| 691 | wxListItemAttr *attr = (wxListItemAttr *)m_attrs.Get(item.iItem); |
| 692 | |
| 693 | if ( attr == NULL ) |
| 694 | m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes())); |
| 695 | else |
| 696 | *attr = *info.GetAttributes(); |
| 697 | |
| 698 | m_hasAnyAttr = TRUE; |
| 699 | |
| 700 | // if the colour has changed, we must redraw the item |
| 701 | updateNow = TRUE; |
| 702 | } |
| 703 | |
| 704 | if ( updateNow ) |
| 705 | { |
| 706 | // we need this to make the change visible right now |
| 707 | RefreshItem(item.iItem); |
| 708 | } |
| 709 | |
| 710 | return TRUE; |
| 711 | } |
| 712 | |
| 713 | long wxListCtrl::SetItem(long index, int col, const wxString& label, int imageId) |
| 714 | { |
| 715 | wxListItem info; |
| 716 | info.m_text = label; |
| 717 | info.m_mask = wxLIST_MASK_TEXT; |
| 718 | info.m_itemId = index; |
| 719 | info.m_col = col; |
| 720 | if ( imageId > -1 ) |
| 721 | { |
| 722 | info.m_image = imageId; |
| 723 | info.m_mask |= wxLIST_MASK_IMAGE; |
| 724 | } |
| 725 | return SetItem(info); |
| 726 | } |
| 727 | |
| 728 | |
| 729 | // Gets the item state |
| 730 | int wxListCtrl::GetItemState(long item, long stateMask) const |
| 731 | { |
| 732 | wxListItem info; |
| 733 | |
| 734 | info.m_mask = wxLIST_MASK_STATE; |
| 735 | info.m_stateMask = stateMask; |
| 736 | info.m_itemId = item; |
| 737 | |
| 738 | if (!GetItem(info)) |
| 739 | return 0; |
| 740 | |
| 741 | return info.m_state; |
| 742 | } |
| 743 | |
| 744 | // Sets the item state |
| 745 | bool wxListCtrl::SetItemState(long item, long state, long stateMask) |
| 746 | { |
| 747 | // NB: don't use SetItem() here as it doesn't work with the virtual list |
| 748 | // controls |
| 749 | LV_ITEM lvItem; |
| 750 | wxZeroMemory(lvItem); |
| 751 | |
| 752 | wxConvertToMSWFlags(state, stateMask, lvItem); |
| 753 | |
| 754 | // for the virtual list controls we need to refresh the previously focused |
| 755 | // item manually when changing focus without changing selection |
| 756 | // programmatically because otherwise it keeps its focus rectangle until |
| 757 | // next repaint (yet another comctl32 bug) |
| 758 | long focusOld; |
| 759 | if ( IsVirtual() && |
| 760 | (stateMask & wxLIST_STATE_FOCUSED) && |
| 761 | (state & wxLIST_STATE_FOCUSED) ) |
| 762 | { |
| 763 | focusOld = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_FOCUSED); |
| 764 | } |
| 765 | else |
| 766 | { |
| 767 | focusOld = -1; |
| 768 | } |
| 769 | |
| 770 | if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE, |
| 771 | (WPARAM)item, (LPARAM)&lvItem) ) |
| 772 | { |
| 773 | wxLogLastError(_T("ListView_SetItemState")); |
| 774 | |
| 775 | return FALSE; |
| 776 | } |
| 777 | |
| 778 | if ( focusOld != -1 ) |
| 779 | { |
| 780 | // no need to refresh the item if it was previously selected, it would |
| 781 | // only result in annoying flicker |
| 782 | if ( !(GetItemState(focusOld, |
| 783 | wxLIST_STATE_SELECTED) & wxLIST_STATE_SELECTED) ) |
| 784 | { |
| 785 | RefreshItem(focusOld); |
| 786 | } |
| 787 | } |
| 788 | |
| 789 | return TRUE; |
| 790 | } |
| 791 | |
| 792 | // Sets the item image |
| 793 | bool wxListCtrl::SetItemImage(long item, int image, int WXUNUSED(selImage)) |
| 794 | { |
| 795 | wxListItem info; |
| 796 | |
| 797 | info.m_mask = wxLIST_MASK_IMAGE; |
| 798 | info.m_image = image; |
| 799 | info.m_itemId = item; |
| 800 | |
| 801 | return SetItem(info); |
| 802 | } |
| 803 | |
| 804 | // Gets the item text |
| 805 | wxString wxListCtrl::GetItemText(long item) const |
| 806 | { |
| 807 | wxListItem info; |
| 808 | |
| 809 | info.m_mask = wxLIST_MASK_TEXT; |
| 810 | info.m_itemId = item; |
| 811 | |
| 812 | if (!GetItem(info)) |
| 813 | return wxString(""); |
| 814 | return info.m_text; |
| 815 | } |
| 816 | |
| 817 | // Sets the item text |
| 818 | void wxListCtrl::SetItemText(long item, const wxString& str) |
| 819 | { |
| 820 | wxListItem info; |
| 821 | |
| 822 | info.m_mask = wxLIST_MASK_TEXT; |
| 823 | info.m_itemId = item; |
| 824 | info.m_text = str; |
| 825 | |
| 826 | SetItem(info); |
| 827 | } |
| 828 | |
| 829 | // Gets the item data |
| 830 | long wxListCtrl::GetItemData(long item) const |
| 831 | { |
| 832 | wxListItem info; |
| 833 | |
| 834 | info.m_mask = wxLIST_MASK_DATA; |
| 835 | info.m_itemId = item; |
| 836 | |
| 837 | if (!GetItem(info)) |
| 838 | return 0; |
| 839 | return info.m_data; |
| 840 | } |
| 841 | |
| 842 | // Sets the item data |
| 843 | bool wxListCtrl::SetItemData(long item, long data) |
| 844 | { |
| 845 | wxListItem info; |
| 846 | |
| 847 | info.m_mask = wxLIST_MASK_DATA; |
| 848 | info.m_itemId = item; |
| 849 | info.m_data = data; |
| 850 | |
| 851 | return SetItem(info); |
| 852 | } |
| 853 | |
| 854 | // Gets the item rectangle |
| 855 | bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const |
| 856 | { |
| 857 | RECT rectWin; |
| 858 | |
| 859 | int codeWin; |
| 860 | if ( code == wxLIST_RECT_BOUNDS ) |
| 861 | codeWin = LVIR_BOUNDS; |
| 862 | else if ( code == wxLIST_RECT_ICON ) |
| 863 | codeWin = LVIR_ICON; |
| 864 | else if ( code == wxLIST_RECT_LABEL ) |
| 865 | codeWin = LVIR_LABEL; |
| 866 | else |
| 867 | { |
| 868 | wxFAIL_MSG( _T("incorrect code in GetItemRect()") ); |
| 869 | |
| 870 | codeWin = LVIR_BOUNDS; |
| 871 | } |
| 872 | |
| 873 | #ifdef __WXWINE__ |
| 874 | bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin ) != 0; |
| 875 | #else |
| 876 | bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0; |
| 877 | #endif |
| 878 | |
| 879 | rect.x = rectWin.left; |
| 880 | rect.y = rectWin.top; |
| 881 | rect.width = rectWin.right - rectWin.left; |
| 882 | rect.height = rectWin.bottom - rectWin.top; |
| 883 | |
| 884 | return success; |
| 885 | } |
| 886 | |
| 887 | // Gets the item position |
| 888 | bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const |
| 889 | { |
| 890 | POINT pt; |
| 891 | |
| 892 | bool success = (ListView_GetItemPosition(GetHwnd(), (int) item, &pt) != 0); |
| 893 | |
| 894 | pos.x = pt.x; pos.y = pt.y; |
| 895 | return success; |
| 896 | } |
| 897 | |
| 898 | // Sets the item position. |
| 899 | bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos) |
| 900 | { |
| 901 | return (ListView_SetItemPosition(GetHwnd(), (int) item, pos.x, pos.y) != 0); |
| 902 | } |
| 903 | |
| 904 | // Gets the number of items in the list control |
| 905 | int wxListCtrl::GetItemCount() const |
| 906 | { |
| 907 | return ListView_GetItemCount(GetHwnd()); |
| 908 | } |
| 909 | |
| 910 | // Retrieves the spacing between icons in pixels. |
| 911 | // If small is TRUE, gets the spacing for the small icon |
| 912 | // view, otherwise the large icon view. |
| 913 | int wxListCtrl::GetItemSpacing(bool isSmall) const |
| 914 | { |
| 915 | return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall); |
| 916 | } |
| 917 | |
| 918 | // Gets the number of selected items in the list control |
| 919 | int wxListCtrl::GetSelectedItemCount() const |
| 920 | { |
| 921 | return ListView_GetSelectedCount(GetHwnd()); |
| 922 | } |
| 923 | |
| 924 | // Gets the text colour of the listview |
| 925 | wxColour wxListCtrl::GetTextColour() const |
| 926 | { |
| 927 | COLORREF ref = ListView_GetTextColor(GetHwnd()); |
| 928 | wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref)); |
| 929 | return col; |
| 930 | } |
| 931 | |
| 932 | // Sets the text colour of the listview |
| 933 | void wxListCtrl::SetTextColour(const wxColour& col) |
| 934 | { |
| 935 | ListView_SetTextColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue())); |
| 936 | } |
| 937 | |
| 938 | // Gets the index of the topmost visible item when in |
| 939 | // list or report view |
| 940 | long wxListCtrl::GetTopItem() const |
| 941 | { |
| 942 | return (long) ListView_GetTopIndex(GetHwnd()); |
| 943 | } |
| 944 | |
| 945 | // Searches for an item, starting from 'item'. |
| 946 | // 'geometry' is one of |
| 947 | // wxLIST_NEXT_ABOVE/ALL/BELOW/LEFT/RIGHT. |
| 948 | // 'state' is a state bit flag, one or more of |
| 949 | // wxLIST_STATE_DROPHILITED/FOCUSED/SELECTED/CUT. |
| 950 | // item can be -1 to find the first item that matches the |
| 951 | // specified flags. |
| 952 | // Returns the item or -1 if unsuccessful. |
| 953 | long wxListCtrl::GetNextItem(long item, int geom, int state) const |
| 954 | { |
| 955 | long flags = 0; |
| 956 | |
| 957 | if ( geom == wxLIST_NEXT_ABOVE ) |
| 958 | flags |= LVNI_ABOVE; |
| 959 | if ( geom == wxLIST_NEXT_ALL ) |
| 960 | flags |= LVNI_ALL; |
| 961 | if ( geom == wxLIST_NEXT_BELOW ) |
| 962 | flags |= LVNI_BELOW; |
| 963 | if ( geom == wxLIST_NEXT_LEFT ) |
| 964 | flags |= LVNI_TOLEFT; |
| 965 | if ( geom == wxLIST_NEXT_RIGHT ) |
| 966 | flags |= LVNI_TORIGHT; |
| 967 | |
| 968 | if ( state & wxLIST_STATE_CUT ) |
| 969 | flags |= LVNI_CUT; |
| 970 | if ( state & wxLIST_STATE_DROPHILITED ) |
| 971 | flags |= LVNI_DROPHILITED; |
| 972 | if ( state & wxLIST_STATE_FOCUSED ) |
| 973 | flags |= LVNI_FOCUSED; |
| 974 | if ( state & wxLIST_STATE_SELECTED ) |
| 975 | flags |= LVNI_SELECTED; |
| 976 | |
| 977 | return (long) ListView_GetNextItem(GetHwnd(), item, flags); |
| 978 | } |
| 979 | |
| 980 | |
| 981 | wxImageList *wxListCtrl::GetImageList(int which) const |
| 982 | { |
| 983 | if ( which == wxIMAGE_LIST_NORMAL ) |
| 984 | { |
| 985 | return m_imageListNormal; |
| 986 | } |
| 987 | else if ( which == wxIMAGE_LIST_SMALL ) |
| 988 | { |
| 989 | return m_imageListSmall; |
| 990 | } |
| 991 | else if ( which == wxIMAGE_LIST_STATE ) |
| 992 | { |
| 993 | return m_imageListState; |
| 994 | } |
| 995 | return NULL; |
| 996 | } |
| 997 | |
| 998 | void wxListCtrl::SetImageList(wxImageList *imageList, int which) |
| 999 | { |
| 1000 | int flags = 0; |
| 1001 | if ( which == wxIMAGE_LIST_NORMAL ) |
| 1002 | { |
| 1003 | flags = LVSIL_NORMAL; |
| 1004 | if (m_ownsImageListNormal) delete m_imageListNormal; |
| 1005 | m_imageListNormal = imageList; |
| 1006 | m_ownsImageListNormal = FALSE; |
| 1007 | } |
| 1008 | else if ( which == wxIMAGE_LIST_SMALL ) |
| 1009 | { |
| 1010 | flags = LVSIL_SMALL; |
| 1011 | if (m_ownsImageListSmall) delete m_imageListSmall; |
| 1012 | m_imageListSmall = imageList; |
| 1013 | m_ownsImageListSmall = FALSE; |
| 1014 | } |
| 1015 | else if ( which == wxIMAGE_LIST_STATE ) |
| 1016 | { |
| 1017 | flags = LVSIL_STATE; |
| 1018 | if (m_ownsImageListState) delete m_imageListState; |
| 1019 | m_imageListState = imageList; |
| 1020 | m_ownsImageListState = FALSE; |
| 1021 | } |
| 1022 | ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags); |
| 1023 | } |
| 1024 | |
| 1025 | void wxListCtrl::AssignImageList(wxImageList *imageList, int which) |
| 1026 | { |
| 1027 | SetImageList(imageList, which); |
| 1028 | if ( which == wxIMAGE_LIST_NORMAL ) |
| 1029 | m_ownsImageListNormal = TRUE; |
| 1030 | else if ( which == wxIMAGE_LIST_SMALL ) |
| 1031 | m_ownsImageListSmall = TRUE; |
| 1032 | else if ( which == wxIMAGE_LIST_STATE ) |
| 1033 | m_ownsImageListState = TRUE; |
| 1034 | } |
| 1035 | |
| 1036 | // ---------------------------------------------------------------------------- |
| 1037 | // Operations |
| 1038 | // ---------------------------------------------------------------------------- |
| 1039 | |
| 1040 | // Arranges the items |
| 1041 | bool wxListCtrl::Arrange(int flag) |
| 1042 | { |
| 1043 | UINT code = 0; |
| 1044 | if ( flag == wxLIST_ALIGN_LEFT ) |
| 1045 | code = LVA_ALIGNLEFT; |
| 1046 | else if ( flag == wxLIST_ALIGN_TOP ) |
| 1047 | code = LVA_ALIGNTOP; |
| 1048 | else if ( flag == wxLIST_ALIGN_DEFAULT ) |
| 1049 | code = LVA_DEFAULT; |
| 1050 | else if ( flag == wxLIST_ALIGN_SNAP_TO_GRID ) |
| 1051 | code = LVA_SNAPTOGRID; |
| 1052 | |
| 1053 | return (ListView_Arrange(GetHwnd(), code) != 0); |
| 1054 | } |
| 1055 | |
| 1056 | // Deletes an item |
| 1057 | bool wxListCtrl::DeleteItem(long item) |
| 1058 | { |
| 1059 | if ( !ListView_DeleteItem(GetHwnd(), (int) item) ) |
| 1060 | { |
| 1061 | wxLogLastError(_T("ListView_DeleteItem")); |
| 1062 | return FALSE; |
| 1063 | } |
| 1064 | |
| 1065 | // the virtual list control doesn't refresh itself correctly, help it |
| 1066 | if ( IsVirtual() ) |
| 1067 | { |
| 1068 | // we need to refresh all the lines below the one which was deleted |
| 1069 | wxRect rectItem; |
| 1070 | if ( item > 0 && GetItemCount() ) |
| 1071 | { |
| 1072 | GetItemRect(item - 1, rectItem); |
| 1073 | } |
| 1074 | else |
| 1075 | { |
| 1076 | rectItem.y = |
| 1077 | rectItem.height = 0; |
| 1078 | } |
| 1079 | |
| 1080 | wxRect rectWin = GetRect(); |
| 1081 | rectWin.height = rectWin.GetBottom() - rectItem.GetBottom(); |
| 1082 | rectWin.y = rectItem.GetBottom(); |
| 1083 | |
| 1084 | RefreshRect(rectWin); |
| 1085 | } |
| 1086 | |
| 1087 | return TRUE; |
| 1088 | } |
| 1089 | |
| 1090 | // Deletes all items |
| 1091 | bool wxListCtrl::DeleteAllItems() |
| 1092 | { |
| 1093 | return ListView_DeleteAllItems(GetHwnd()) != 0; |
| 1094 | } |
| 1095 | |
| 1096 | // Deletes all items |
| 1097 | bool wxListCtrl::DeleteAllColumns() |
| 1098 | { |
| 1099 | while ( m_colCount > 0 ) |
| 1100 | { |
| 1101 | if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 ) |
| 1102 | { |
| 1103 | wxLogLastError(wxT("ListView_DeleteColumn")); |
| 1104 | |
| 1105 | return FALSE; |
| 1106 | } |
| 1107 | |
| 1108 | m_colCount--; |
| 1109 | } |
| 1110 | |
| 1111 | wxASSERT_MSG( m_colCount == 0, wxT("no columns should be left") ); |
| 1112 | |
| 1113 | return TRUE; |
| 1114 | } |
| 1115 | |
| 1116 | // Deletes a column |
| 1117 | bool wxListCtrl::DeleteColumn(int col) |
| 1118 | { |
| 1119 | bool success = (ListView_DeleteColumn(GetHwnd(), col) != 0); |
| 1120 | |
| 1121 | if ( success && (m_colCount > 0) ) |
| 1122 | m_colCount --; |
| 1123 | return success; |
| 1124 | } |
| 1125 | |
| 1126 | // Clears items, and columns if there are any. |
| 1127 | void wxListCtrl::ClearAll() |
| 1128 | { |
| 1129 | DeleteAllItems(); |
| 1130 | if ( m_colCount > 0 ) |
| 1131 | DeleteAllColumns(); |
| 1132 | } |
| 1133 | |
| 1134 | wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass) |
| 1135 | { |
| 1136 | wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) ); |
| 1137 | |
| 1138 | // VS: ListView_EditLabel requires that the list has focus. |
| 1139 | SetFocus(); |
| 1140 | HWND hWnd = (HWND) ListView_EditLabel(GetHwnd(), item); |
| 1141 | |
| 1142 | if (m_textCtrl) |
| 1143 | { |
| 1144 | m_textCtrl->SetHWND(0); |
| 1145 | m_textCtrl->UnsubclassWin(); |
| 1146 | delete m_textCtrl; |
| 1147 | m_textCtrl = NULL; |
| 1148 | } |
| 1149 | |
| 1150 | m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject(); |
| 1151 | m_textCtrl->SetHWND((WXHWND) hWnd); |
| 1152 | m_textCtrl->SubclassWin((WXHWND) hWnd); |
| 1153 | |
| 1154 | return m_textCtrl; |
| 1155 | } |
| 1156 | |
| 1157 | // End label editing, optionally cancelling the edit |
| 1158 | bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel)) |
| 1159 | { |
| 1160 | wxFAIL_MSG( _T("not implemented") ); |
| 1161 | |
| 1162 | return FALSE; |
| 1163 | } |
| 1164 | |
| 1165 | // Ensures this item is visible |
| 1166 | bool wxListCtrl::EnsureVisible(long item) |
| 1167 | { |
| 1168 | return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0; |
| 1169 | } |
| 1170 | |
| 1171 | // Find an item whose label matches this string, starting from the item after 'start' |
| 1172 | // or the beginning if 'start' is -1. |
| 1173 | long wxListCtrl::FindItem(long start, const wxString& str, bool partial) |
| 1174 | { |
| 1175 | LV_FINDINFO findInfo; |
| 1176 | |
| 1177 | findInfo.flags = LVFI_STRING; |
| 1178 | if ( partial ) |
| 1179 | findInfo.flags |= LVFI_PARTIAL; |
| 1180 | findInfo.psz = str; |
| 1181 | |
| 1182 | // ListView_FindItem() excludes the first item from search and to look |
| 1183 | // through all the items you need to start from -1 which is unnatural and |
| 1184 | // inconsistent with the generic version - so we adjust the index |
| 1185 | if (start != -1) |
| 1186 | start --; |
| 1187 | return ListView_FindItem(GetHwnd(), (int) start, &findInfo); |
| 1188 | } |
| 1189 | |
| 1190 | // Find an item whose data matches this data, starting from the item after 'start' |
| 1191 | // or the beginning if 'start' is -1. |
| 1192 | long wxListCtrl::FindItem(long start, long data) |
| 1193 | { |
| 1194 | LV_FINDINFO findInfo; |
| 1195 | |
| 1196 | findInfo.flags = LVFI_PARAM; |
| 1197 | findInfo.lParam = data; |
| 1198 | |
| 1199 | return ListView_FindItem(GetHwnd(), (int) start, & findInfo); |
| 1200 | } |
| 1201 | |
| 1202 | // Find an item nearest this position in the specified direction, starting from |
| 1203 | // the item after 'start' or the beginning if 'start' is -1. |
| 1204 | long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction) |
| 1205 | { |
| 1206 | LV_FINDINFO findInfo; |
| 1207 | |
| 1208 | findInfo.flags = LVFI_NEARESTXY; |
| 1209 | findInfo.pt.x = pt.x; |
| 1210 | findInfo.pt.y = pt.y; |
| 1211 | findInfo.vkDirection = VK_RIGHT; |
| 1212 | |
| 1213 | if ( direction == wxLIST_FIND_UP ) |
| 1214 | findInfo.vkDirection = VK_UP; |
| 1215 | else if ( direction == wxLIST_FIND_DOWN ) |
| 1216 | findInfo.vkDirection = VK_DOWN; |
| 1217 | else if ( direction == wxLIST_FIND_LEFT ) |
| 1218 | findInfo.vkDirection = VK_LEFT; |
| 1219 | else if ( direction == wxLIST_FIND_RIGHT ) |
| 1220 | findInfo.vkDirection = VK_RIGHT; |
| 1221 | |
| 1222 | return ListView_FindItem(GetHwnd(), (int) start, & findInfo); |
| 1223 | } |
| 1224 | |
| 1225 | // Determines which item (if any) is at the specified point, |
| 1226 | // giving details in 'flags' (see wxLIST_HITTEST_... flags above) |
| 1227 | long wxListCtrl::HitTest(const wxPoint& point, int& flags) |
| 1228 | { |
| 1229 | LV_HITTESTINFO hitTestInfo; |
| 1230 | hitTestInfo.pt.x = (int) point.x; |
| 1231 | hitTestInfo.pt.y = (int) point.y; |
| 1232 | |
| 1233 | ListView_HitTest(GetHwnd(), & hitTestInfo); |
| 1234 | |
| 1235 | flags = 0; |
| 1236 | if ( hitTestInfo.flags & LVHT_ABOVE ) |
| 1237 | flags |= wxLIST_HITTEST_ABOVE; |
| 1238 | if ( hitTestInfo.flags & LVHT_BELOW ) |
| 1239 | flags |= wxLIST_HITTEST_BELOW; |
| 1240 | if ( hitTestInfo.flags & LVHT_NOWHERE ) |
| 1241 | flags |= wxLIST_HITTEST_NOWHERE; |
| 1242 | if ( hitTestInfo.flags & LVHT_ONITEMICON ) |
| 1243 | flags |= wxLIST_HITTEST_ONITEMICON; |
| 1244 | if ( hitTestInfo.flags & LVHT_ONITEMLABEL ) |
| 1245 | flags |= wxLIST_HITTEST_ONITEMLABEL; |
| 1246 | if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON ) |
| 1247 | flags |= wxLIST_HITTEST_ONITEMSTATEICON; |
| 1248 | if ( hitTestInfo.flags & LVHT_TOLEFT ) |
| 1249 | flags |= wxLIST_HITTEST_TOLEFT; |
| 1250 | if ( hitTestInfo.flags & LVHT_TORIGHT ) |
| 1251 | flags |= wxLIST_HITTEST_TORIGHT; |
| 1252 | |
| 1253 | return (long) hitTestInfo.iItem; |
| 1254 | } |
| 1255 | |
| 1256 | // Inserts an item, returning the index of the new item if successful, |
| 1257 | // -1 otherwise. |
| 1258 | long wxListCtrl::InsertItem(wxListItem& info) |
| 1259 | { |
| 1260 | wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") ); |
| 1261 | |
| 1262 | LV_ITEM item; |
| 1263 | wxConvertToMSWListItem(this, info, item); |
| 1264 | |
| 1265 | // check whether it has any custom attributes |
| 1266 | if ( info.HasAttributes() ) |
| 1267 | { |
| 1268 | |
| 1269 | wxListItemAttr *attr; |
| 1270 | attr = (wxListItemAttr*) m_attrs.Get(item.iItem); |
| 1271 | |
| 1272 | if (attr == NULL) |
| 1273 | |
| 1274 | m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes())); |
| 1275 | |
| 1276 | else *attr = *info.GetAttributes(); |
| 1277 | |
| 1278 | m_hasAnyAttr = TRUE; |
| 1279 | } |
| 1280 | |
| 1281 | return (long) ListView_InsertItem(GetHwnd(), & item); |
| 1282 | } |
| 1283 | |
| 1284 | long wxListCtrl::InsertItem(long index, const wxString& label) |
| 1285 | { |
| 1286 | wxListItem info; |
| 1287 | info.m_text = label; |
| 1288 | info.m_mask = wxLIST_MASK_TEXT; |
| 1289 | info.m_itemId = index; |
| 1290 | return InsertItem(info); |
| 1291 | } |
| 1292 | |
| 1293 | // Inserts an image item |
| 1294 | long wxListCtrl::InsertItem(long index, int imageIndex) |
| 1295 | { |
| 1296 | wxListItem info; |
| 1297 | info.m_image = imageIndex; |
| 1298 | info.m_mask = wxLIST_MASK_IMAGE; |
| 1299 | info.m_itemId = index; |
| 1300 | return InsertItem(info); |
| 1301 | } |
| 1302 | |
| 1303 | // Inserts an image/string item |
| 1304 | long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex) |
| 1305 | { |
| 1306 | wxListItem info; |
| 1307 | info.m_image = imageIndex; |
| 1308 | info.m_text = label; |
| 1309 | info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT; |
| 1310 | info.m_itemId = index; |
| 1311 | return InsertItem(info); |
| 1312 | } |
| 1313 | |
| 1314 | // For list view mode (only), inserts a column. |
| 1315 | long wxListCtrl::InsertColumn(long col, wxListItem& item) |
| 1316 | { |
| 1317 | LV_COLUMN lvCol; |
| 1318 | wxConvertToMSWListCol(col, item, lvCol); |
| 1319 | |
| 1320 | if ( !(lvCol.mask & LVCF_WIDTH) ) |
| 1321 | { |
| 1322 | // always give some width to the new column: this one is compatible |
| 1323 | // with the generic version |
| 1324 | lvCol.mask |= LVCF_WIDTH; |
| 1325 | lvCol.cx = 80; |
| 1326 | } |
| 1327 | |
| 1328 | // when we insert a column which can contain an image, we must specify this |
| 1329 | // flag right now as doing it later in SetColumn() has no effect |
| 1330 | // |
| 1331 | // we use LVCFMT_BITMAP_ON_RIGHT by default because without it there is no |
| 1332 | // way to dynamically set/clear the bitmap as the column without a bitmap |
| 1333 | // on the left looks ugly (there is a hole) |
| 1334 | // |
| 1335 | // unfortunately with my version of comctl32.dll (5.80), the left column |
| 1336 | // image is always on the left and it seems that it's a "feature" - I |
| 1337 | // didn't find any way to work around it in any case |
| 1338 | if ( lvCol.mask & LVCF_IMAGE ) |
| 1339 | { |
| 1340 | lvCol.mask |= LVCF_FMT; |
| 1341 | lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT; |
| 1342 | } |
| 1343 | |
| 1344 | bool success = ListView_InsertColumn(GetHwnd(), col, &lvCol) != -1; |
| 1345 | if ( success ) |
| 1346 | { |
| 1347 | m_colCount++; |
| 1348 | } |
| 1349 | else |
| 1350 | { |
| 1351 | wxLogDebug(wxT("Failed to insert the column '%s' into listview!"), |
| 1352 | lvCol.pszText); |
| 1353 | } |
| 1354 | |
| 1355 | return success; |
| 1356 | } |
| 1357 | |
| 1358 | long wxListCtrl::InsertColumn(long col, |
| 1359 | const wxString& heading, |
| 1360 | int format, |
| 1361 | int width) |
| 1362 | { |
| 1363 | wxListItem item; |
| 1364 | item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT; |
| 1365 | item.m_text = heading; |
| 1366 | if ( width > -1 ) |
| 1367 | { |
| 1368 | item.m_mask |= wxLIST_MASK_WIDTH; |
| 1369 | item.m_width = width; |
| 1370 | } |
| 1371 | item.m_format = format; |
| 1372 | |
| 1373 | return InsertColumn(col, item); |
| 1374 | } |
| 1375 | |
| 1376 | // Scrolls the list control. If in icon, small icon or report view mode, |
| 1377 | // x specifies the number of pixels to scroll. If in list view mode, x |
| 1378 | // specifies the number of columns to scroll. |
| 1379 | // If in icon, small icon or list view mode, y specifies the number of pixels |
| 1380 | // to scroll. If in report view mode, y specifies the number of lines to scroll. |
| 1381 | bool wxListCtrl::ScrollList(int dx, int dy) |
| 1382 | { |
| 1383 | return (ListView_Scroll(GetHwnd(), dx, dy) != 0); |
| 1384 | } |
| 1385 | |
| 1386 | // Sort items. |
| 1387 | |
| 1388 | // fn is a function which takes 3 long arguments: item1, item2, data. |
| 1389 | // item1 is the long data associated with a first item (NOT the index). |
| 1390 | // item2 is the long data associated with a second item (NOT the index). |
| 1391 | // data is the same value as passed to SortItems. |
| 1392 | // The return value is a negative number if the first item should precede the second |
| 1393 | // item, a positive number of the second item should precede the first, |
| 1394 | // or zero if the two items are equivalent. |
| 1395 | |
| 1396 | // data is arbitrary data to be passed to the sort function. |
| 1397 | |
| 1398 | // FIXME: this is horrible and MT-unsafe and everything else but I don't have |
| 1399 | // time for anything better right now (VZ) |
| 1400 | static long gs_sortData = 0; |
| 1401 | static wxListCtrl *gs_sortCtrl = NULL; |
| 1402 | static wxListCtrlCompare gs_sortFunction = NULL; |
| 1403 | |
| 1404 | int wxCMPFUNC_CONV wxListCtrlCompareFn(const void *arg1, const void *arg2) |
| 1405 | { |
| 1406 | int n1 = *(const int *)arg1, |
| 1407 | n2 = *(const int *)arg2; |
| 1408 | |
| 1409 | return gs_sortFunction(gs_sortCtrl->GetItemData(n1), |
| 1410 | gs_sortCtrl->GetItemData(n2), |
| 1411 | gs_sortData); |
| 1412 | } |
| 1413 | |
| 1414 | bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data) |
| 1415 | { |
| 1416 | // sort the attributes too |
| 1417 | if ( m_hasAnyAttr ) |
| 1418 | { |
| 1419 | int n, |
| 1420 | count = GetItemCount(); |
| 1421 | int *aItems = new int[count]; |
| 1422 | for ( n = 0; n < count; n++ ) |
| 1423 | { |
| 1424 | aItems[n] = n; |
| 1425 | } |
| 1426 | |
| 1427 | gs_sortData = data; |
| 1428 | gs_sortCtrl = this; |
| 1429 | gs_sortFunction = fn; |
| 1430 | |
| 1431 | qsort(aItems, count, sizeof(int), wxListCtrlCompareFn); |
| 1432 | |
| 1433 | gs_sortData = 0; |
| 1434 | gs_sortCtrl = NULL; |
| 1435 | gs_sortFunction = NULL; |
| 1436 | |
| 1437 | wxHashTable attrsNew(wxKEY_INTEGER, 1000); |
| 1438 | for ( n = 0; n < count; n++ ) |
| 1439 | { |
| 1440 | wxObject *attr = m_attrs.Delete(aItems[n]); |
| 1441 | if ( attr ) |
| 1442 | { |
| 1443 | attrsNew.Put(n, attr); |
| 1444 | } |
| 1445 | } |
| 1446 | |
| 1447 | m_attrs.Destroy(); |
| 1448 | m_attrs = attrsNew; |
| 1449 | |
| 1450 | delete [] aItems; |
| 1451 | } |
| 1452 | |
| 1453 | if ( !ListView_SortItems(GetHwnd(), (PFNLVCOMPARE)fn, data) ) |
| 1454 | { |
| 1455 | wxLogDebug(_T("ListView_SortItems() failed")); |
| 1456 | |
| 1457 | return FALSE; |
| 1458 | } |
| 1459 | |
| 1460 | return TRUE; |
| 1461 | } |
| 1462 | |
| 1463 | |
| 1464 | |
| 1465 | // ---------------------------------------------------------------------------- |
| 1466 | // message processing |
| 1467 | // ---------------------------------------------------------------------------- |
| 1468 | |
| 1469 | bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) |
| 1470 | { |
| 1471 | if (cmd == EN_UPDATE) |
| 1472 | { |
| 1473 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); |
| 1474 | event.SetEventObject( this ); |
| 1475 | ProcessCommand(event); |
| 1476 | return TRUE; |
| 1477 | } |
| 1478 | else if (cmd == EN_KILLFOCUS) |
| 1479 | { |
| 1480 | wxCommandEvent event(wxEVT_KILL_FOCUS, id); |
| 1481 | event.SetEventObject( this ); |
| 1482 | ProcessCommand(event); |
| 1483 | return TRUE; |
| 1484 | } |
| 1485 | else |
| 1486 | return FALSE; |
| 1487 | } |
| 1488 | |
| 1489 | bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) |
| 1490 | { |
| 1491 | // prepare the event |
| 1492 | // ----------------- |
| 1493 | |
| 1494 | wxListEvent event(wxEVT_NULL, m_windowId); |
| 1495 | event.SetEventObject(this); |
| 1496 | |
| 1497 | wxEventType eventType = wxEVT_NULL; |
| 1498 | |
| 1499 | NMHDR *nmhdr = (NMHDR *)lParam; |
| 1500 | |
| 1501 | // if your compiler is as broken as this, you should really change it: this |
| 1502 | // code is needed for normal operation! #ifdef below is only useful for |
| 1503 | // automatic rebuilds which are done with a very old compiler version |
| 1504 | #ifdef LVM_FIRST |
| 1505 | |
| 1506 | // check for messages from the header (in report view) |
| 1507 | HWND hwndHdr = ListView_GetHeader(GetHwnd()); |
| 1508 | |
| 1509 | // is it a message from the header? |
| 1510 | if ( nmhdr->hwndFrom == hwndHdr ) |
| 1511 | { |
| 1512 | #ifdef __WATCOMC__ |
| 1513 | HD_NOTIFY *nmHDR = (HD_NOTIFY *)nmhdr; |
| 1514 | #else |
| 1515 | NMHEADER *nmHDR = (NMHEADER *)nmhdr; |
| 1516 | #endif |
| 1517 | event.m_itemIndex = -1; |
| 1518 | |
| 1519 | switch ( nmhdr->code ) |
| 1520 | { |
| 1521 | // yet another comctl32.dll bug: under NT/W2K it sends Unicode |
| 1522 | // TRACK messages even to ANSI programs: on my system I get |
| 1523 | // HDN_BEGINTRACKW and HDN_ENDTRACKA and no HDN_TRACK at all! |
| 1524 | // |
| 1525 | // work around is to simply catch both versions and hope that it |
| 1526 | // works (why should this message exist in ANSI and Unicode is |
| 1527 | // beyond me as it doesn't deal with strings at all...) |
| 1528 | case HDN_BEGINTRACKA: |
| 1529 | case HDN_BEGINTRACKW: |
| 1530 | eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG; |
| 1531 | // fall through |
| 1532 | |
| 1533 | case HDN_TRACKA: |
| 1534 | case HDN_TRACKW: |
| 1535 | if ( eventType == wxEVT_NULL ) |
| 1536 | eventType = wxEVT_COMMAND_LIST_COL_DRAGGING; |
| 1537 | // fall through |
| 1538 | |
| 1539 | case HDN_ENDTRACKA: |
| 1540 | case HDN_ENDTRACKW: |
| 1541 | if ( eventType == wxEVT_NULL ) |
| 1542 | eventType = wxEVT_COMMAND_LIST_COL_END_DRAG; |
| 1543 | event.m_col = nmHDR->iItem; |
| 1544 | break; |
| 1545 | |
| 1546 | case NM_RCLICK: |
| 1547 | { |
| 1548 | eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK; |
| 1549 | event.m_col = -1; |
| 1550 | |
| 1551 | // find the column clicked: we have to search for it |
| 1552 | // ourselves as the notification message doesn't provide |
| 1553 | // this info |
| 1554 | |
| 1555 | // where did the click occur? |
| 1556 | POINT ptClick; |
| 1557 | if ( !::GetCursorPos(&ptClick) ) |
| 1558 | { |
| 1559 | wxLogLastError(_T("GetCursorPos")); |
| 1560 | } |
| 1561 | |
| 1562 | if ( !::ScreenToClient(hwndHdr, &ptClick) ) |
| 1563 | { |
| 1564 | wxLogLastError(_T("ScreenToClient(listctrl header)")); |
| 1565 | } |
| 1566 | |
| 1567 | event.m_pointDrag.x = ptClick.x; |
| 1568 | event.m_pointDrag.y = ptClick.y; |
| 1569 | |
| 1570 | int colCount = Header_GetItemCount(hwndHdr); |
| 1571 | |
| 1572 | RECT rect; |
| 1573 | for ( int col = 0; col < colCount; col++ ) |
| 1574 | { |
| 1575 | if ( Header_GetItemRect(hwndHdr, col, &rect) ) |
| 1576 | { |
| 1577 | if ( ::PtInRect(&rect, ptClick) ) |
| 1578 | { |
| 1579 | event.m_col = col; |
| 1580 | break; |
| 1581 | } |
| 1582 | } |
| 1583 | } |
| 1584 | } |
| 1585 | break; |
| 1586 | |
| 1587 | default: |
| 1588 | return wxControl::MSWOnNotify(idCtrl, lParam, result); |
| 1589 | } |
| 1590 | } |
| 1591 | else |
| 1592 | #endif // defined(LVM_FIRST) |
| 1593 | if ( nmhdr->hwndFrom == GetHwnd() ) |
| 1594 | { |
| 1595 | // almost all messages use NM_LISTVIEW |
| 1596 | NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr; |
| 1597 | |
| 1598 | // this is true for almost all events |
| 1599 | event.m_item.m_data = nmLV->lParam; |
| 1600 | |
| 1601 | switch ( nmhdr->code ) |
| 1602 | { |
| 1603 | case LVN_BEGINRDRAG: |
| 1604 | eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG; |
| 1605 | // fall through |
| 1606 | |
| 1607 | case LVN_BEGINDRAG: |
| 1608 | if ( eventType == wxEVT_NULL ) |
| 1609 | { |
| 1610 | eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG; |
| 1611 | } |
| 1612 | |
| 1613 | event.m_itemIndex = nmLV->iItem; |
| 1614 | event.m_pointDrag.x = nmLV->ptAction.x; |
| 1615 | event.m_pointDrag.y = nmLV->ptAction.y; |
| 1616 | break; |
| 1617 | |
| 1618 | case LVN_BEGINLABELEDIT: |
| 1619 | { |
| 1620 | eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; |
| 1621 | LV_DISPINFO *info = (LV_DISPINFO *)lParam; |
| 1622 | wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); |
| 1623 | event.m_itemIndex = event.m_item.m_itemId; |
| 1624 | } |
| 1625 | break; |
| 1626 | |
| 1627 | case LVN_COLUMNCLICK: |
| 1628 | eventType = wxEVT_COMMAND_LIST_COL_CLICK; |
| 1629 | event.m_itemIndex = -1; |
| 1630 | event.m_col = nmLV->iSubItem; |
| 1631 | break; |
| 1632 | |
| 1633 | case LVN_DELETEALLITEMS: |
| 1634 | eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS; |
| 1635 | event.m_itemIndex = -1; |
| 1636 | |
| 1637 | FreeAllAttrs(); |
| 1638 | |
| 1639 | break; |
| 1640 | |
| 1641 | case LVN_DELETEITEM: |
| 1642 | eventType = wxEVT_COMMAND_LIST_DELETE_ITEM; |
| 1643 | event.m_itemIndex = nmLV->iItem; |
| 1644 | |
| 1645 | if ( m_hasAnyAttr ) |
| 1646 | { |
| 1647 | delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem); |
| 1648 | } |
| 1649 | break; |
| 1650 | |
| 1651 | case LVN_ENDLABELEDIT: |
| 1652 | { |
| 1653 | eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; |
| 1654 | LV_DISPINFO *info = (LV_DISPINFO *)lParam; |
| 1655 | wxConvertFromMSWListItem(NULL, event.m_item, info->item); |
| 1656 | if ( info->item.pszText == NULL || info->item.iItem == -1 ) |
| 1657 | return FALSE; |
| 1658 | |
| 1659 | event.m_itemIndex = event.m_item.m_itemId; |
| 1660 | } |
| 1661 | break; |
| 1662 | |
| 1663 | case LVN_SETDISPINFO: |
| 1664 | { |
| 1665 | eventType = wxEVT_COMMAND_LIST_SET_INFO; |
| 1666 | LV_DISPINFO *info = (LV_DISPINFO *)lParam; |
| 1667 | wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); |
| 1668 | } |
| 1669 | break; |
| 1670 | |
| 1671 | case LVN_INSERTITEM: |
| 1672 | eventType = wxEVT_COMMAND_LIST_INSERT_ITEM; |
| 1673 | event.m_itemIndex = nmLV->iItem; |
| 1674 | break; |
| 1675 | |
| 1676 | case LVN_ITEMCHANGED: |
| 1677 | // we translate this catch all message into more interesting |
| 1678 | // (and more easy to process) wxWindows events |
| 1679 | |
| 1680 | // first of all, we deal with the state change events only |
| 1681 | if ( nmLV->uChanged & LVIF_STATE ) |
| 1682 | { |
| 1683 | // temp vars for readability |
| 1684 | const UINT stOld = nmLV->uOldState; |
| 1685 | const UINT stNew = nmLV->uNewState; |
| 1686 | |
| 1687 | // has the focus changed? |
| 1688 | if ( !(stOld & LVIS_FOCUSED) && (stNew & LVIS_FOCUSED) ) |
| 1689 | { |
| 1690 | eventType = wxEVT_COMMAND_LIST_ITEM_FOCUSED; |
| 1691 | event.m_itemIndex = nmLV->iItem; |
| 1692 | } |
| 1693 | |
| 1694 | if ( (stNew & LVIS_SELECTED) != (stOld & LVIS_SELECTED) ) |
| 1695 | { |
| 1696 | if ( eventType != wxEVT_NULL ) |
| 1697 | { |
| 1698 | // focus and selection have both changed: send the |
| 1699 | // focus event from here and the selection one |
| 1700 | // below |
| 1701 | event.SetEventType(eventType); |
| 1702 | (void)GetEventHandler()->ProcessEvent(event); |
| 1703 | } |
| 1704 | else // no focus event to send |
| 1705 | { |
| 1706 | // then need to set m_itemIndex as it wasn't done |
| 1707 | // above |
| 1708 | event.m_itemIndex = nmLV->iItem; |
| 1709 | } |
| 1710 | |
| 1711 | eventType = stNew & LVIS_SELECTED |
| 1712 | ? wxEVT_COMMAND_LIST_ITEM_SELECTED |
| 1713 | : wxEVT_COMMAND_LIST_ITEM_DESELECTED; |
| 1714 | } |
| 1715 | } |
| 1716 | |
| 1717 | if ( eventType == wxEVT_NULL ) |
| 1718 | { |
| 1719 | // not an interesting event for us |
| 1720 | return FALSE; |
| 1721 | } |
| 1722 | |
| 1723 | break; |
| 1724 | |
| 1725 | case LVN_KEYDOWN: |
| 1726 | { |
| 1727 | LV_KEYDOWN *info = (LV_KEYDOWN *)lParam; |
| 1728 | WORD wVKey = info->wVKey; |
| 1729 | |
| 1730 | // get the current selection |
| 1731 | long lItem = GetNextItem(-1, |
| 1732 | wxLIST_NEXT_ALL, |
| 1733 | wxLIST_STATE_SELECTED); |
| 1734 | |
| 1735 | // <Enter> or <Space> activate the selected item if any (but |
| 1736 | // not with Shift and/or Ctrl as then they have a predefined |
| 1737 | // meaning for the list view) |
| 1738 | if ( lItem != -1 && |
| 1739 | (wVKey == VK_RETURN || wVKey == VK_SPACE) && |
| 1740 | !(wxIsShiftDown() || wxIsCtrlDown()) ) |
| 1741 | { |
| 1742 | eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED; |
| 1743 | } |
| 1744 | else |
| 1745 | { |
| 1746 | eventType = wxEVT_COMMAND_LIST_KEY_DOWN; |
| 1747 | |
| 1748 | // wxCharCodeMSWToWX() returns 0 if the key is an ASCII |
| 1749 | // value which should be used as is |
| 1750 | int code = wxCharCodeMSWToWX(wVKey); |
| 1751 | event.m_code = code ? code : wVKey; |
| 1752 | } |
| 1753 | |
| 1754 | event.m_itemIndex = |
| 1755 | event.m_item.m_itemId = lItem; |
| 1756 | |
| 1757 | if ( lItem != -1 ) |
| 1758 | { |
| 1759 | // fill the other fields too |
| 1760 | event.m_item.m_text = GetItemText(lItem); |
| 1761 | event.m_item.m_data = GetItemData(lItem); |
| 1762 | } |
| 1763 | } |
| 1764 | break; |
| 1765 | |
| 1766 | case NM_DBLCLK: |
| 1767 | // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do |
| 1768 | // anything else |
| 1769 | if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) |
| 1770 | { |
| 1771 | return TRUE; |
| 1772 | } |
| 1773 | |
| 1774 | // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event |
| 1775 | // if it happened on an item (and not on empty place) |
| 1776 | if ( nmLV->iItem == -1 ) |
| 1777 | { |
| 1778 | // not on item |
| 1779 | return FALSE; |
| 1780 | } |
| 1781 | |
| 1782 | eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED; |
| 1783 | event.m_itemIndex = nmLV->iItem; |
| 1784 | event.m_item.m_text = GetItemText(nmLV->iItem); |
| 1785 | event.m_item.m_data = GetItemData(nmLV->iItem); |
| 1786 | break; |
| 1787 | |
| 1788 | case NM_RCLICK: |
| 1789 | // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(), |
| 1790 | // don't do anything else |
| 1791 | if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) |
| 1792 | { |
| 1793 | return TRUE; |
| 1794 | } |
| 1795 | |
| 1796 | // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event |
| 1797 | LV_HITTESTINFO lvhti; |
| 1798 | wxZeroMemory(lvhti); |
| 1799 | |
| 1800 | ::GetCursorPos(&(lvhti.pt)); |
| 1801 | ::ScreenToClient(GetHwnd(),&(lvhti.pt)); |
| 1802 | if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 ) |
| 1803 | { |
| 1804 | if ( lvhti.flags & LVHT_ONITEM ) |
| 1805 | { |
| 1806 | eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK; |
| 1807 | event.m_itemIndex = lvhti.iItem; |
| 1808 | event.m_pointDrag.x = lvhti.pt.x; |
| 1809 | event.m_pointDrag.y = lvhti.pt.y; |
| 1810 | } |
| 1811 | } |
| 1812 | break; |
| 1813 | |
| 1814 | #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \ |
| 1815 | && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) |
| 1816 | case NM_CUSTOMDRAW: |
| 1817 | *result = OnCustomDraw(lParam); |
| 1818 | |
| 1819 | return TRUE; |
| 1820 | #endif // _WIN32_IE >= 0x300 |
| 1821 | |
| 1822 | case LVN_ODCACHEHINT: |
| 1823 | { |
| 1824 | const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam; |
| 1825 | |
| 1826 | eventType = wxEVT_COMMAND_LIST_CACHE_HINT; |
| 1827 | |
| 1828 | // we get some really stupid cache hints like ones for items in |
| 1829 | // range 0..0 for an empty control or, after deleting an item, |
| 1830 | // for items in invalid range - filter this garbage out |
| 1831 | if ( cacheHint->iFrom < cacheHint->iTo ) |
| 1832 | { |
| 1833 | event.m_oldItemIndex = cacheHint->iFrom; |
| 1834 | |
| 1835 | long iMax = GetItemCount(); |
| 1836 | event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo |
| 1837 | : iMax - 1; |
| 1838 | } |
| 1839 | else |
| 1840 | { |
| 1841 | return FALSE; |
| 1842 | } |
| 1843 | } |
| 1844 | break; |
| 1845 | |
| 1846 | case LVN_GETDISPINFO: |
| 1847 | if ( IsVirtual() ) |
| 1848 | { |
| 1849 | LV_DISPINFO *info = (LV_DISPINFO *)lParam; |
| 1850 | |
| 1851 | LV_ITEM& lvi = info->item; |
| 1852 | long item = lvi.iItem; |
| 1853 | |
| 1854 | if ( lvi.mask & LVIF_TEXT ) |
| 1855 | { |
| 1856 | wxString text = OnGetItemText(item, lvi.iSubItem); |
| 1857 | wxStrncpy(lvi.pszText, text, lvi.cchTextMax); |
| 1858 | } |
| 1859 | |
| 1860 | #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \ |
| 1861 | && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) ) |
| 1862 | if ( lvi.mask & LVIF_IMAGE ) |
| 1863 | { |
| 1864 | lvi.iImage = OnGetItemImage(item); |
| 1865 | } |
| 1866 | #endif |
| 1867 | |
| 1868 | // a little dose of healthy paranoia: as we never use |
| 1869 | // LVM_SETCALLBACKMASK we're not supposed to get these ones |
| 1870 | wxASSERT_MSG( !(lvi.mask & LVIF_STATE), |
| 1871 | _T("we don't support state callbacks yet!") ); |
| 1872 | |
| 1873 | return TRUE; |
| 1874 | } |
| 1875 | // fall through |
| 1876 | |
| 1877 | default: |
| 1878 | return wxControl::MSWOnNotify(idCtrl, lParam, result); |
| 1879 | } |
| 1880 | } |
| 1881 | else |
| 1882 | { |
| 1883 | // where did this one come from? |
| 1884 | return FALSE; |
| 1885 | } |
| 1886 | |
| 1887 | // process the event |
| 1888 | // ----------------- |
| 1889 | |
| 1890 | event.SetEventType(eventType); |
| 1891 | |
| 1892 | if ( !GetEventHandler()->ProcessEvent(event) ) |
| 1893 | return FALSE; |
| 1894 | |
| 1895 | // post processing |
| 1896 | // --------------- |
| 1897 | |
| 1898 | switch ( nmhdr->code ) |
| 1899 | { |
| 1900 | case LVN_DELETEALLITEMS: |
| 1901 | // always return TRUE to suppress all additional LVN_DELETEITEM |
| 1902 | // notifications - this makes deleting all items from a list ctrl |
| 1903 | // much faster |
| 1904 | *result = TRUE; |
| 1905 | |
| 1906 | return TRUE; |
| 1907 | |
| 1908 | case LVN_ENDLABELEDIT: |
| 1909 | // logic here is inversed compared to all the other messages |
| 1910 | *result = event.IsAllowed(); |
| 1911 | |
| 1912 | return TRUE; |
| 1913 | } |
| 1914 | |
| 1915 | *result = !event.IsAllowed(); |
| 1916 | |
| 1917 | return TRUE; |
| 1918 | } |
| 1919 | |
| 1920 | #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 |
| 1921 | |
| 1922 | WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) |
| 1923 | { |
| 1924 | LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam; |
| 1925 | NMCUSTOMDRAW& nmcd = lplvcd->nmcd; |
| 1926 | switch ( nmcd.dwDrawStage ) |
| 1927 | { |
| 1928 | case CDDS_PREPAINT: |
| 1929 | // if we've got any items with non standard attributes, |
| 1930 | // notify us before painting each item |
| 1931 | // |
| 1932 | // for virtual controls, always suppose that we have attributes as |
| 1933 | // there is no way to check for this |
| 1934 | return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW |
| 1935 | : CDRF_DODEFAULT; |
| 1936 | |
| 1937 | case CDDS_ITEMPREPAINT: |
| 1938 | { |
| 1939 | size_t item = (size_t)nmcd.dwItemSpec; |
| 1940 | if ( item >= (size_t)GetItemCount() ) |
| 1941 | { |
| 1942 | // we get this message with item == 0 for an empty control, |
| 1943 | // we must ignore it as calling OnGetItemAttr() would be |
| 1944 | // wrong |
| 1945 | return CDRF_DODEFAULT; |
| 1946 | } |
| 1947 | |
| 1948 | wxListItemAttr *attr = |
| 1949 | IsVirtual() ? OnGetItemAttr(item) |
| 1950 | : (wxListItemAttr *)m_attrs.Get(item); |
| 1951 | |
| 1952 | if ( !attr ) |
| 1953 | { |
| 1954 | // nothing to do for this item |
| 1955 | return CDRF_DODEFAULT; |
| 1956 | } |
| 1957 | |
| 1958 | HFONT hFont; |
| 1959 | wxColour colText, colBack; |
| 1960 | if ( attr->HasFont() ) |
| 1961 | { |
| 1962 | wxFont font = attr->GetFont(); |
| 1963 | hFont = (HFONT)font.GetResourceHandle(); |
| 1964 | } |
| 1965 | else |
| 1966 | { |
| 1967 | hFont = 0; |
| 1968 | } |
| 1969 | |
| 1970 | if ( attr->HasTextColour() ) |
| 1971 | { |
| 1972 | colText = attr->GetTextColour(); |
| 1973 | } |
| 1974 | else |
| 1975 | { |
| 1976 | colText = GetTextColour(); |
| 1977 | } |
| 1978 | |
| 1979 | if ( attr->HasBackgroundColour() ) |
| 1980 | { |
| 1981 | colBack = attr->GetBackgroundColour(); |
| 1982 | } |
| 1983 | else |
| 1984 | { |
| 1985 | colBack = GetBackgroundColour(); |
| 1986 | } |
| 1987 | |
| 1988 | lplvcd->clrText = wxColourToRGB(colText); |
| 1989 | lplvcd->clrTextBk = wxColourToRGB(colBack); |
| 1990 | |
| 1991 | // note that if we wanted to set colours for |
| 1992 | // individual columns (subitems), we would have |
| 1993 | // returned CDRF_NOTIFYSUBITEMREDRAW from here |
| 1994 | if ( hFont ) |
| 1995 | { |
| 1996 | ::SelectObject(nmcd.hdc, hFont); |
| 1997 | |
| 1998 | return CDRF_NEWFONT; |
| 1999 | } |
| 2000 | } |
| 2001 | // fall through to return CDRF_DODEFAULT |
| 2002 | |
| 2003 | default: |
| 2004 | return CDRF_DODEFAULT; |
| 2005 | } |
| 2006 | } |
| 2007 | |
| 2008 | #endif // NM_CUSTOMDRAW supported |
| 2009 | |
| 2010 | // Necessary for drawing hrules and vrules, if specified |
| 2011 | void wxListCtrl::OnPaint(wxPaintEvent& event) |
| 2012 | { |
| 2013 | wxPaintDC dc(this); |
| 2014 | |
| 2015 | wxControl::OnPaint(event); |
| 2016 | |
| 2017 | // Reset the device origin since it may have been set |
| 2018 | dc.SetDeviceOrigin(0, 0); |
| 2019 | |
| 2020 | bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0); |
| 2021 | bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0); |
| 2022 | |
| 2023 | if (!drawHRules && !drawVRules) |
| 2024 | return; |
| 2025 | if ((GetWindowStyle() & wxLC_REPORT) == 0) |
| 2026 | return; |
| 2027 | |
| 2028 | wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID); |
| 2029 | dc.SetPen(pen); |
| 2030 | dc.SetBrush(* wxTRANSPARENT_BRUSH); |
| 2031 | |
| 2032 | wxSize clientSize = GetClientSize(); |
| 2033 | wxRect itemRect; |
| 2034 | int cy=0; |
| 2035 | |
| 2036 | int itemCount = GetItemCount(); |
| 2037 | int i; |
| 2038 | if (drawHRules) |
| 2039 | { |
| 2040 | long top = GetTopItem(); |
| 2041 | for (i = top; i < top + GetCountPerPage() + 1; i++) |
| 2042 | { |
| 2043 | if (GetItemRect(i, itemRect)) |
| 2044 | { |
| 2045 | cy = itemRect.GetTop(); |
| 2046 | if (i != 0) // Don't draw the first one |
| 2047 | { |
| 2048 | dc.DrawLine(0, cy, clientSize.x, cy); |
| 2049 | } |
| 2050 | // Draw last line |
| 2051 | if (i == itemCount - 1) |
| 2052 | { |
| 2053 | cy = itemRect.GetBottom(); |
| 2054 | dc.DrawLine(0, cy, clientSize.x, cy); |
| 2055 | } |
| 2056 | } |
| 2057 | } |
| 2058 | } |
| 2059 | i = itemCount - 1; |
| 2060 | if (drawVRules && (i > -1)) |
| 2061 | { |
| 2062 | wxRect firstItemRect; |
| 2063 | GetItemRect(0, firstItemRect); |
| 2064 | |
| 2065 | if (GetItemRect(i, itemRect)) |
| 2066 | { |
| 2067 | int col; |
| 2068 | int x = itemRect.GetX(); |
| 2069 | for (col = 0; col < GetColumnCount(); col++) |
| 2070 | { |
| 2071 | int colWidth = GetColumnWidth(col); |
| 2072 | x += colWidth ; |
| 2073 | dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom()); |
| 2074 | } |
| 2075 | } |
| 2076 | } |
| 2077 | } |
| 2078 | |
| 2079 | // ---------------------------------------------------------------------------- |
| 2080 | // virtual list controls |
| 2081 | // ---------------------------------------------------------------------------- |
| 2082 | |
| 2083 | wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const |
| 2084 | { |
| 2085 | // this is a pure virtual function, in fact - which is not really pure |
| 2086 | // because the controls which are not virtual don't need to implement it |
| 2087 | wxFAIL_MSG( _T("not supposed to be called") ); |
| 2088 | |
| 2089 | return wxEmptyString; |
| 2090 | } |
| 2091 | |
| 2092 | int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const |
| 2093 | { |
| 2094 | // same as above |
| 2095 | wxFAIL_MSG( _T("not supposed to be called") ); |
| 2096 | |
| 2097 | return -1; |
| 2098 | } |
| 2099 | |
| 2100 | wxListItemAttr *wxListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const |
| 2101 | { |
| 2102 | wxASSERT_MSG( item >= 0 && item < GetItemCount(), |
| 2103 | _T("invalid item index in OnGetItemAttr()") ); |
| 2104 | |
| 2105 | // no attributes by default |
| 2106 | return NULL; |
| 2107 | } |
| 2108 | |
| 2109 | void wxListCtrl::SetItemCount(long count) |
| 2110 | { |
| 2111 | wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") ); |
| 2112 | |
| 2113 | if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) ) |
| 2114 | { |
| 2115 | wxLogLastError(_T("ListView_SetItemCount")); |
| 2116 | } |
| 2117 | } |
| 2118 | |
| 2119 | void wxListCtrl::RefreshItem(long item) |
| 2120 | { |
| 2121 | // strangely enough, ListView_Update() results in much more flicker here |
| 2122 | // than a dumb Refresh() -- why? |
| 2123 | #if 0 |
| 2124 | if ( !ListView_Update(GetHwnd(), item) ) |
| 2125 | { |
| 2126 | wxLogLastError(_T("ListView_Update")); |
| 2127 | } |
| 2128 | #else // 1 |
| 2129 | wxRect rect; |
| 2130 | GetItemRect(item, rect); |
| 2131 | RefreshRect(rect); |
| 2132 | #endif // 0/1 |
| 2133 | } |
| 2134 | |
| 2135 | void wxListCtrl::RefreshItems(long itemFrom, long itemTo) |
| 2136 | { |
| 2137 | wxRect rect1, rect2; |
| 2138 | GetItemRect(itemFrom, rect1); |
| 2139 | GetItemRect(itemTo, rect2); |
| 2140 | |
| 2141 | wxRect rect = rect1; |
| 2142 | rect.height = rect2.GetBottom() - rect1.GetTop(); |
| 2143 | |
| 2144 | RefreshRect(rect); |
| 2145 | } |
| 2146 | |
| 2147 | // ---------------------------------------------------------------------------- |
| 2148 | // wxListItem |
| 2149 | // ---------------------------------------------------------------------------- |
| 2150 | |
| 2151 | // List item structure |
| 2152 | wxListItem::wxListItem() |
| 2153 | { |
| 2154 | m_mask = 0; |
| 2155 | m_itemId = 0; |
| 2156 | m_col = 0; |
| 2157 | m_state = 0; |
| 2158 | m_stateMask = 0; |
| 2159 | m_image = 0; |
| 2160 | m_data = 0; |
| 2161 | |
| 2162 | m_format = wxLIST_FORMAT_CENTRE; |
| 2163 | m_width = 0; |
| 2164 | |
| 2165 | m_attr = NULL; |
| 2166 | } |
| 2167 | |
| 2168 | void wxListItem::Clear() |
| 2169 | { |
| 2170 | m_mask = 0; |
| 2171 | m_itemId = 0; |
| 2172 | m_col = 0; |
| 2173 | m_state = 0; |
| 2174 | m_stateMask = 0; |
| 2175 | m_image = 0; |
| 2176 | m_data = 0; |
| 2177 | m_format = wxLIST_FORMAT_CENTRE; |
| 2178 | m_width = 0; |
| 2179 | m_text = wxEmptyString; |
| 2180 | |
| 2181 | if (m_attr) delete m_attr; |
| 2182 | m_attr = NULL; |
| 2183 | } |
| 2184 | |
| 2185 | void wxListItem::ClearAttributes() |
| 2186 | { |
| 2187 | if (m_attr) delete m_attr; |
| 2188 | m_attr = NULL; |
| 2189 | } |
| 2190 | |
| 2191 | static void wxConvertFromMSWListItem(HWND hwndListCtrl, |
| 2192 | wxListItem& info, |
| 2193 | LV_ITEM& lvItem) |
| 2194 | { |
| 2195 | info.m_data = lvItem.lParam; |
| 2196 | info.m_mask = 0; |
| 2197 | info.m_state = 0; |
| 2198 | info.m_stateMask = 0; |
| 2199 | info.m_itemId = lvItem.iItem; |
| 2200 | |
| 2201 | long oldMask = lvItem.mask; |
| 2202 | |
| 2203 | bool needText = FALSE; |
| 2204 | if (hwndListCtrl != 0) |
| 2205 | { |
| 2206 | if ( lvItem.mask & LVIF_TEXT ) |
| 2207 | needText = FALSE; |
| 2208 | else |
| 2209 | needText = TRUE; |
| 2210 | |
| 2211 | if ( needText ) |
| 2212 | { |
| 2213 | lvItem.pszText = new wxChar[513]; |
| 2214 | lvItem.cchTextMax = 512; |
| 2215 | } |
| 2216 | lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM; |
| 2217 | ::SendMessage(hwndListCtrl, LVM_GETITEM, 0, (LPARAM)& lvItem); |
| 2218 | } |
| 2219 | |
| 2220 | if ( lvItem.mask & LVIF_STATE ) |
| 2221 | { |
| 2222 | info.m_mask |= wxLIST_MASK_STATE; |
| 2223 | |
| 2224 | if ( lvItem.stateMask & LVIS_CUT) |
| 2225 | { |
| 2226 | info.m_stateMask |= wxLIST_STATE_CUT; |
| 2227 | if ( lvItem.state & LVIS_CUT ) |
| 2228 | info.m_state |= wxLIST_STATE_CUT; |
| 2229 | } |
| 2230 | if ( lvItem.stateMask & LVIS_DROPHILITED) |
| 2231 | { |
| 2232 | info.m_stateMask |= wxLIST_STATE_DROPHILITED; |
| 2233 | if ( lvItem.state & LVIS_DROPHILITED ) |
| 2234 | info.m_state |= wxLIST_STATE_DROPHILITED; |
| 2235 | } |
| 2236 | if ( lvItem.stateMask & LVIS_FOCUSED) |
| 2237 | { |
| 2238 | info.m_stateMask |= wxLIST_STATE_FOCUSED; |
| 2239 | if ( lvItem.state & LVIS_FOCUSED ) |
| 2240 | info.m_state |= wxLIST_STATE_FOCUSED; |
| 2241 | } |
| 2242 | if ( lvItem.stateMask & LVIS_SELECTED) |
| 2243 | { |
| 2244 | info.m_stateMask |= wxLIST_STATE_SELECTED; |
| 2245 | if ( lvItem.state & LVIS_SELECTED ) |
| 2246 | info.m_state |= wxLIST_STATE_SELECTED; |
| 2247 | } |
| 2248 | } |
| 2249 | |
| 2250 | if ( lvItem.mask & LVIF_TEXT ) |
| 2251 | { |
| 2252 | info.m_mask |= wxLIST_MASK_TEXT; |
| 2253 | info.m_text = lvItem.pszText; |
| 2254 | } |
| 2255 | if ( lvItem.mask & LVIF_IMAGE ) |
| 2256 | { |
| 2257 | info.m_mask |= wxLIST_MASK_IMAGE; |
| 2258 | info.m_image = lvItem.iImage; |
| 2259 | } |
| 2260 | if ( lvItem.mask & LVIF_PARAM ) |
| 2261 | info.m_mask |= wxLIST_MASK_DATA; |
| 2262 | if ( lvItem.mask & LVIF_DI_SETITEM ) |
| 2263 | info.m_mask |= wxLIST_SET_ITEM; |
| 2264 | info.m_col = lvItem.iSubItem; |
| 2265 | |
| 2266 | if (needText) |
| 2267 | { |
| 2268 | if (lvItem.pszText) |
| 2269 | delete[] lvItem.pszText; |
| 2270 | } |
| 2271 | lvItem.mask = oldMask; |
| 2272 | } |
| 2273 | |
| 2274 | static void wxConvertToMSWFlags(long state, long stateMask, LV_ITEM& lvItem) |
| 2275 | { |
| 2276 | if (stateMask & wxLIST_STATE_CUT) |
| 2277 | { |
| 2278 | lvItem.stateMask |= LVIS_CUT; |
| 2279 | if (state & wxLIST_STATE_CUT) |
| 2280 | lvItem.state |= LVIS_CUT; |
| 2281 | } |
| 2282 | if (stateMask & wxLIST_STATE_DROPHILITED) |
| 2283 | { |
| 2284 | lvItem.stateMask |= LVIS_DROPHILITED; |
| 2285 | if (state & wxLIST_STATE_DROPHILITED) |
| 2286 | lvItem.state |= LVIS_DROPHILITED; |
| 2287 | } |
| 2288 | if (stateMask & wxLIST_STATE_FOCUSED) |
| 2289 | { |
| 2290 | lvItem.stateMask |= LVIS_FOCUSED; |
| 2291 | if (state & wxLIST_STATE_FOCUSED) |
| 2292 | lvItem.state |= LVIS_FOCUSED; |
| 2293 | } |
| 2294 | if (stateMask & wxLIST_STATE_SELECTED) |
| 2295 | { |
| 2296 | lvItem.stateMask |= LVIS_SELECTED; |
| 2297 | if (state & wxLIST_STATE_SELECTED) |
| 2298 | lvItem.state |= LVIS_SELECTED; |
| 2299 | } |
| 2300 | } |
| 2301 | |
| 2302 | static void wxConvertToMSWListItem(const wxListCtrl *ctrl, |
| 2303 | const wxListItem& info, |
| 2304 | LV_ITEM& lvItem) |
| 2305 | { |
| 2306 | lvItem.iItem = (int) info.m_itemId; |
| 2307 | |
| 2308 | lvItem.iImage = info.m_image; |
| 2309 | lvItem.lParam = info.m_data; |
| 2310 | lvItem.stateMask = 0; |
| 2311 | lvItem.state = 0; |
| 2312 | lvItem.mask = 0; |
| 2313 | lvItem.iSubItem = info.m_col; |
| 2314 | |
| 2315 | if (info.m_mask & wxLIST_MASK_STATE) |
| 2316 | { |
| 2317 | lvItem.mask |= LVIF_STATE; |
| 2318 | |
| 2319 | wxConvertToMSWFlags(info.m_state, info.m_stateMask, lvItem); |
| 2320 | } |
| 2321 | |
| 2322 | if (info.m_mask & wxLIST_MASK_TEXT) |
| 2323 | { |
| 2324 | lvItem.mask |= LVIF_TEXT; |
| 2325 | if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT ) |
| 2326 | { |
| 2327 | lvItem.pszText = LPSTR_TEXTCALLBACK; |
| 2328 | } |
| 2329 | else |
| 2330 | { |
| 2331 | // pszText is not const, hence the cast |
| 2332 | lvItem.pszText = (wxChar *)info.m_text.c_str(); |
| 2333 | if ( lvItem.pszText ) |
| 2334 | lvItem.cchTextMax = info.m_text.Length(); |
| 2335 | else |
| 2336 | lvItem.cchTextMax = 0; |
| 2337 | } |
| 2338 | } |
| 2339 | if (info.m_mask & wxLIST_MASK_IMAGE) |
| 2340 | lvItem.mask |= LVIF_IMAGE; |
| 2341 | if (info.m_mask & wxLIST_MASK_DATA) |
| 2342 | lvItem.mask |= LVIF_PARAM; |
| 2343 | } |
| 2344 | |
| 2345 | static void wxConvertToMSWListCol(int col, const wxListItem& item, |
| 2346 | LV_COLUMN& lvCol) |
| 2347 | { |
| 2348 | wxZeroMemory(lvCol); |
| 2349 | |
| 2350 | if ( item.m_mask & wxLIST_MASK_TEXT ) |
| 2351 | { |
| 2352 | lvCol.mask |= LVCF_TEXT; |
| 2353 | lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe |
| 2354 | } |
| 2355 | |
| 2356 | if ( item.m_mask & wxLIST_MASK_FORMAT ) |
| 2357 | { |
| 2358 | lvCol.mask |= LVCF_FMT; |
| 2359 | |
| 2360 | if ( item.m_format == wxLIST_FORMAT_LEFT ) |
| 2361 | lvCol.fmt = LVCFMT_LEFT; |
| 2362 | else if ( item.m_format == wxLIST_FORMAT_RIGHT ) |
| 2363 | lvCol.fmt = LVCFMT_RIGHT; |
| 2364 | else if ( item.m_format == wxLIST_FORMAT_CENTRE ) |
| 2365 | lvCol.fmt = LVCFMT_CENTER; |
| 2366 | } |
| 2367 | |
| 2368 | if ( item.m_mask & wxLIST_MASK_WIDTH ) |
| 2369 | { |
| 2370 | lvCol.mask |= LVCF_WIDTH; |
| 2371 | if ( item.m_width == wxLIST_AUTOSIZE) |
| 2372 | lvCol.cx = LVSCW_AUTOSIZE; |
| 2373 | else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER) |
| 2374 | lvCol.cx = LVSCW_AUTOSIZE_USEHEADER; |
| 2375 | else |
| 2376 | lvCol.cx = item.m_width; |
| 2377 | } |
| 2378 | |
| 2379 | #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \ |
| 2380 | && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) ) |
| 2381 | if ( item.m_mask & wxLIST_MASK_IMAGE ) |
| 2382 | { |
| 2383 | if ( wxTheApp->GetComCtl32Version() >= 470 ) |
| 2384 | { |
| 2385 | lvCol.mask |= LVCF_IMAGE; |
| 2386 | lvCol.iImage = item.m_image; |
| 2387 | } |
| 2388 | //else: it doesn't support item images anyhow |
| 2389 | } |
| 2390 | #endif |
| 2391 | } |
| 2392 | |
| 2393 | #endif // wxUSE_LISTCTRL |