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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "views/controls/table/native_table_win.h" | |
| 6 | |
| 7 #include <commctrl.h> | |
| 8 #include <windowsx.h> | |
| 9 | |
| 10 #include <algorithm> | |
| 11 | |
| 12 #include "base/logging.h" | |
| 13 #include "base/win/scoped_gdi_object.h" | |
| 14 #include "skia/ext/skia_utils_win.h" | |
| 15 #include "ui/base/l10n/l10n_util.h" | |
| 16 #include "ui/base/l10n/l10n_util_win.h" | |
| 17 #include "ui/base/models/table_model.h" | |
| 18 #include "ui/base/win/hwnd_util.h" | |
| 19 #include "ui/gfx/canvas_skia.h" | |
| 20 #include "ui/gfx/favicon_size.h" | |
| 21 #include "ui/gfx/icon_util.h" | |
| 22 #include "ui/views/widget/widget.h" | |
| 23 #include "views/controls/table/table_view2.h" | |
| 24 #include "views/controls/table/table_view_observer.h" | |
| 25 | |
| 26 namespace views { | |
| 27 | |
| 28 // Added to column width to prevent truncation. | |
| 29 const int kListViewTextPadding = 15; | |
| 30 // Additional column width necessary if column has icons. | |
| 31 const int kListViewIconWidthAndPadding = 18; | |
| 32 | |
| 33 // static | |
| 34 const int NativeTableWin::kImageSize = 18; | |
| 35 | |
| 36 //////////////////////////////////////////////////////////////////////////////// | |
| 37 // NativeTableWin, public: | |
| 38 | |
| 39 NativeTableWin::NativeTableWin(TableView2* table) | |
| 40 : ignore_listview_change_(false), | |
| 41 table_(table), | |
| 42 content_offset_(0), | |
| 43 header_original_handler_(NULL), | |
| 44 original_handler_(NULL) { | |
| 45 // Associates the actual HWND with the table so the table is the one | |
| 46 // considered as having the focus (not the wrapper) when the HWND is | |
| 47 // focused directly (with a click for example). | |
| 48 set_focus_view(table); | |
| 49 } | |
| 50 | |
| 51 NativeTableWin::~NativeTableWin() { | |
| 52 } | |
| 53 | |
| 54 //////////////////////////////////////////////////////////////////////////////// | |
| 55 // NativeTableWin, NativeTableWrapper implementation: | |
| 56 | |
| 57 int NativeTableWin::GetRowCount() const { | |
| 58 if (!native_view()) | |
| 59 return 0; | |
| 60 return ListView_GetItemCount(native_view()); | |
| 61 } | |
| 62 | |
| 63 void NativeTableWin::InsertColumn(const ui::TableColumn& tc, int index) { | |
| 64 if (!native_view()) | |
| 65 return; | |
| 66 | |
| 67 LVCOLUMN column = { 0 }; | |
| 68 column.mask = LVCF_TEXT|LVCF_FMT; | |
| 69 column.pszText = const_cast<LPWSTR>(tc.title.c_str()); | |
| 70 switch (tc.alignment) { | |
| 71 case ui::TableColumn::LEFT: | |
| 72 column.fmt = LVCFMT_LEFT; | |
| 73 break; | |
| 74 case ui::TableColumn::RIGHT: | |
| 75 column.fmt = LVCFMT_RIGHT; | |
| 76 break; | |
| 77 case ui::TableColumn::CENTER: | |
| 78 column.fmt = LVCFMT_CENTER; | |
| 79 break; | |
| 80 default: | |
| 81 NOTREACHED(); | |
| 82 } | |
| 83 if (tc.width != -1) { | |
| 84 column.mask |= LVCF_WIDTH; | |
| 85 column.cx = tc.width; | |
| 86 } | |
| 87 column.mask |= LVCF_SUBITEM; | |
| 88 // Sub-items are 1s indexed. | |
| 89 column.iSubItem = index + 1; | |
| 90 SendMessage(native_view(), LVM_INSERTCOLUMN, index, | |
| 91 reinterpret_cast<LPARAM>(&column)); | |
| 92 } | |
| 93 | |
| 94 void NativeTableWin::RemoveColumn(int index) { | |
| 95 if (!native_view()) | |
| 96 return; | |
| 97 SendMessage(native_view(), LVM_DELETECOLUMN, index, 0); | |
| 98 if (table_->model()->RowCount() > 0) | |
| 99 OnRowsChanged(0, table_->model()->RowCount() - 1); | |
| 100 } | |
| 101 | |
| 102 View* NativeTableWin::GetView() { | |
| 103 return this; | |
| 104 } | |
| 105 | |
| 106 void NativeTableWin::SetFocus() { | |
| 107 // Focus the associated HWND. | |
| 108 OnFocus(); | |
| 109 } | |
| 110 | |
| 111 gfx::NativeView NativeTableWin::GetTestingHandle() const { | |
| 112 return native_view(); | |
| 113 } | |
| 114 | |
| 115 int NativeTableWin::GetColumnWidth(int column_index) const { | |
| 116 if (!native_view()) | |
| 117 return 0; | |
| 118 return ListView_GetColumnWidth(native_view(), column_index); | |
| 119 } | |
| 120 | |
| 121 void NativeTableWin::SetColumnWidth(int column_index, int width) { | |
| 122 if (!native_view()) | |
| 123 return; | |
| 124 ListView_SetColumnWidth(native_view(), column_index, width); | |
| 125 } | |
| 126 | |
| 127 int NativeTableWin::GetSelectedRowCount() const { | |
| 128 if (!native_view()) | |
| 129 return 0; | |
| 130 return ListView_GetSelectedCount(native_view()); | |
| 131 } | |
| 132 | |
| 133 int NativeTableWin::GetFirstSelectedRow() const { | |
| 134 if (!native_view()) | |
| 135 return -1; | |
| 136 return ListView_GetNextItem(native_view(), -1, LVNI_ALL | LVIS_SELECTED); | |
| 137 } | |
| 138 | |
| 139 int NativeTableWin::GetFirstFocusedRow() const { | |
| 140 if (!native_view()) | |
| 141 return -1; | |
| 142 return ListView_GetNextItem(native_view(), -1, LVNI_ALL | LVIS_FOCUSED); | |
| 143 } | |
| 144 | |
| 145 void NativeTableWin::ClearSelection() { | |
| 146 if (native_view()) | |
| 147 ListView_SetItemState(native_view(), -1, 0, LVIS_SELECTED); | |
| 148 } | |
| 149 | |
| 150 void NativeTableWin::ClearRowFocus() { | |
| 151 if (native_view()) | |
| 152 ListView_SetItemState(native_view(), -1, 0, LVIS_FOCUSED); | |
| 153 } | |
| 154 | |
| 155 void NativeTableWin::SetSelectedState(int model_row, bool state) { | |
| 156 if (!native_view()) | |
| 157 return; | |
| 158 | |
| 159 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(FALSE), 0); | |
| 160 ListView_SetItemState(native_view(), model_row, | |
| 161 state ? LVIS_SELECTED : 0, LVIS_SELECTED); | |
| 162 // Make the selected row visible. | |
| 163 ListView_EnsureVisible(native_view(), model_row, FALSE); | |
| 164 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(TRUE), 0); | |
| 165 } | |
| 166 | |
| 167 void NativeTableWin::SetFocusState(int model_row, bool state) { | |
| 168 if (!native_view()) | |
| 169 return; | |
| 170 ListView_SetItemState(native_view(), model_row, | |
| 171 state ? LVIS_FOCUSED : 0, LVIS_FOCUSED) | |
| 172 } | |
| 173 | |
| 174 bool NativeTableWin::IsRowSelected(int model_row) const { | |
| 175 if (!native_view()) | |
| 176 return false; | |
| 177 return ListView_GetItemState(native_view(), model_row, LVIS_SELECTED) == | |
| 178 LVIS_SELECTED; | |
| 179 } | |
| 180 | |
| 181 bool NativeTableWin::IsRowFocused(int model_row) const { | |
| 182 if (!native_view()) | |
| 183 return false; | |
| 184 return ListView_GetItemState(native_view(), model_row, LVIS_FOCUSED) == | |
| 185 LVIS_FOCUSED; | |
| 186 } | |
| 187 | |
| 188 void NativeTableWin::OnRowsChanged(int start, int length) { | |
| 189 if (!native_view()) | |
| 190 return; | |
| 191 | |
| 192 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(FALSE), 0); | |
| 193 UpdateListViewCache(start, length, false); | |
| 194 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(TRUE), 0); | |
| 195 } | |
| 196 | |
| 197 void NativeTableWin::OnRowsAdded(int start, int length) { | |
| 198 if (!native_view()) | |
| 199 return; | |
| 200 | |
| 201 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(FALSE), 0); | |
| 202 UpdateListViewCache(start, length, true); | |
| 203 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(TRUE), 0); | |
| 204 } | |
| 205 | |
| 206 void NativeTableWin::OnRowsRemoved(int start, int length) { | |
| 207 if (!native_view()) | |
| 208 return; | |
| 209 | |
| 210 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(FALSE), 0); | |
| 211 | |
| 212 bool had_selection = (GetSelectedRowCount() > 0); | |
| 213 int old_row_count = GetRowCount(); | |
| 214 if (start == 0 && length == GetRowCount()) { | |
| 215 // Everything was removed. | |
| 216 ListView_DeleteAllItems(native_view()); | |
| 217 } else { | |
| 218 for (int i = 0; i < length; ++i) | |
| 219 ListView_DeleteItem(native_view(), start); | |
| 220 } | |
| 221 | |
| 222 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(TRUE), 0); | |
| 223 | |
| 224 // If the row count goes to zero and we had a selection LVN_ITEMCHANGED isn't | |
| 225 // invoked, so we handle it here. | |
| 226 // | |
| 227 // When the model is set to NULL all the rows are removed. We don't notify | |
| 228 // the delegate in this case as setting the model to NULL is usually done as | |
| 229 // the last step before being deleted and callers shouldn't have to deal with | |
| 230 // getting a selection change when the model is being reset. | |
| 231 if (table_->model() && table_->observer() && had_selection && | |
| 232 GetRowCount() == 0) { | |
| 233 table_->observer()->OnSelectionChanged(); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 gfx::Rect NativeTableWin::GetBounds() const { | |
| 238 RECT native_bounds; | |
| 239 if (!native_view() || GetClientRect(native_view(), &native_bounds)) | |
| 240 return gfx::Rect(); | |
| 241 return gfx::Rect(native_bounds); | |
| 242 } | |
| 243 | |
| 244 //////////////////////////////////////////////////////////////////////////////// | |
| 245 // NativeTableWin, View overrides: | |
| 246 | |
| 247 gfx::Size NativeTableWin::GetPreferredSize() { | |
| 248 SIZE sz = {0}; | |
| 249 SendMessage(native_view(), BCM_GETIDEALSIZE, 0, | |
| 250 reinterpret_cast<LPARAM>(&sz)); | |
| 251 | |
| 252 return gfx::Size(sz.cx, sz.cy); | |
| 253 } | |
| 254 | |
| 255 //////////////////////////////////////////////////////////////////////////////// | |
| 256 // NativeTableWin, NativeControlWin overrides: | |
| 257 | |
| 258 bool NativeTableWin::ProcessMessage(UINT message, WPARAM w_param, | |
| 259 LPARAM l_param, LRESULT* result) { | |
| 260 if (message == WM_NOTIFY) { | |
| 261 LPNMHDR hdr = reinterpret_cast<LPNMHDR>(l_param); | |
| 262 switch (hdr->code) { | |
| 263 case NM_CUSTOMDRAW: { | |
| 264 // Draw notification. dwDragState indicates the current stage of | |
| 265 // drawing. | |
| 266 *result = OnCustomDraw(reinterpret_cast<NMLVCUSTOMDRAW*>(hdr)); | |
| 267 return true; | |
| 268 } | |
| 269 | |
| 270 case LVN_ITEMCHANGED: { | |
| 271 // Notification that the state of an item has changed. The state | |
| 272 // includes such things as whether the item is selected. | |
| 273 NMLISTVIEW* state_change = reinterpret_cast<NMLISTVIEW*>(hdr); | |
| 274 if ((state_change->uChanged & LVIF_STATE) != 0) { | |
| 275 if ((state_change->uOldState & LVIS_SELECTED) != | |
| 276 (state_change->uNewState & LVIS_SELECTED)) { | |
| 277 // Selected state of the item changed. | |
| 278 OnSelectedStateChanged(); | |
| 279 } | |
| 280 } | |
| 281 break; | |
| 282 } | |
| 283 | |
| 284 case HDN_BEGINTRACKW: | |
| 285 case HDN_BEGINTRACKA: | |
| 286 // Prevent clicks so columns cannot be resized. | |
| 287 if (!table_->resizable_columns()) | |
| 288 return true; | |
| 289 break; | |
| 290 | |
| 291 case NM_DBLCLK: | |
| 292 OnDoubleClick(); | |
| 293 break; | |
| 294 | |
| 295 case LVN_COLUMNCLICK: { | |
| 296 const ui::TableColumn& column = table_->GetVisibleColumnAt( | |
| 297 reinterpret_cast<NMLISTVIEW*>(hdr)->iSubItem); | |
| 298 break; | |
| 299 } | |
| 300 | |
| 301 case LVN_MARQUEEBEGIN: // We don't want the marquee selection. | |
| 302 return true; | |
| 303 | |
| 304 case LVN_GETINFOTIP: { | |
| 305 // This is called when the user hovers items in column zero. | |
| 306 // * If the text in this column is not fully visible, the dwFlags | |
| 307 // field will be set to 0, and pszText will contain the full text. | |
| 308 // If you return without making any changes, this text will be | |
| 309 // displayed in a "labeltip" - a bubble that's overlaid (at the | |
| 310 // correct alignment!) on the item. If you return with a different | |
| 311 // pszText, it will be displayed as a tooltip if nonempty. | |
| 312 // * Otherwise, dwFlags will be LVGIT_UNFOLDED and pszText will be | |
| 313 // empty. On return, if pszText is nonempty, it will be displayed | |
| 314 // as a labeltip if dwFlags has been changed to 0 (even if it bears | |
| 315 // no resemblance to the item text), or as a tooltip otherwise. | |
| 316 // | |
| 317 // Once the tooltip for an item has been obtained, this will not be | |
| 318 // called again until the user hovers a different item. If after that | |
| 319 // the original item is hovered a second time, this will be called. | |
| 320 // | |
| 321 // When the user hovers items in other columns, they will be "unfolded" | |
| 322 // (displayed as labeltips) when necessary, but this function will | |
| 323 // never be called. | |
| 324 // | |
| 325 // Changing the LVS_EX_INFOTIP extended style to LVS_EX_LABELTIP will | |
| 326 // cause all of the above to be true except that this function will not | |
| 327 // be called when dwFlags would be LVGIT_UNFOLDED. Removing it entirely | |
| 328 // will disable all of the above behavior. | |
| 329 NMLVGETINFOTIP* info_tip = reinterpret_cast<NMLVGETINFOTIP*>(hdr); | |
| 330 string16 tooltip = table_->model()->GetTooltip(info_tip->iItem); | |
| 331 CHECK_GE(info_tip->cchTextMax, 2); | |
| 332 if (tooltip.length() >= static_cast<size_t>(info_tip->cchTextMax)) { | |
| 333 // Elide the tooltip if necessary. | |
| 334 tooltip.erase(info_tip->cchTextMax - 2); // Ellipsis + '\0' | |
| 335 const wchar_t kEllipsis = L'\x2026'; | |
| 336 tooltip += kEllipsis; | |
| 337 } | |
| 338 if (!tooltip.empty()) | |
| 339 wcscpy_s(info_tip->pszText, tooltip.length() + 1, tooltip.c_str()); | |
| 340 return true; | |
| 341 } | |
| 342 | |
| 343 default: | |
| 344 break; | |
| 345 } | |
| 346 } | |
| 347 | |
| 348 return NativeControlWin::ProcessMessage(message, w_param, l_param, result); | |
| 349 } | |
| 350 | |
| 351 //////////////////////////////////////////////////////////////////////////////// | |
| 352 // NativeTableWin, protected: | |
| 353 | |
| 354 void NativeTableWin::CreateNativeControl() { | |
| 355 int style = WS_CHILD | LVS_REPORT | LVS_SHOWSELALWAYS; | |
| 356 if (table_->single_selection()) | |
| 357 style |= LVS_SINGLESEL; | |
| 358 // If there's only one column and the title string is empty, don't show a | |
| 359 // header. | |
| 360 if (table_->GetVisibleColumnCount() == 1U) { | |
| 361 if (table_->GetVisibleColumnAt(1).title.empty()) | |
| 362 style |= LVS_NOCOLUMNHEADER; | |
| 363 } | |
| 364 HWND hwnd = ::CreateWindowEx(WS_EX_CLIENTEDGE | GetAdditionalRTLStyle(), | |
| 365 WC_LISTVIEW, | |
| 366 L"", | |
| 367 style, | |
| 368 0, 0, width(), height(), | |
| 369 table_->GetWidget()->GetNativeView(), | |
| 370 NULL, NULL, NULL); | |
| 371 ui::CheckWindowCreated(hwnd); | |
| 372 | |
| 373 // Reduce overdraw/flicker artifacts by double buffering. Support tooltips | |
| 374 // and display elided items completely on hover (see comments in OnNotify() | |
| 375 // under LVN_GETINFOTIP). Make the selection extend across the row. | |
| 376 ListView_SetExtendedListViewStyle(hwnd, | |
| 377 LVS_EX_DOUBLEBUFFER | LVS_EX_INFOTIP | LVS_EX_FULLROWSELECT); | |
| 378 l10n_util::AdjustUIFontForWindow(hwnd); | |
| 379 | |
| 380 NativeControlCreated(hwnd); | |
| 381 // native_view() is now valid. | |
| 382 | |
| 383 // Add the columns. | |
| 384 for (size_t i = 0; i < table_->GetVisibleColumnCount(); ++i) | |
| 385 InsertColumn(table_->GetVisibleColumnAt(i), i); | |
| 386 | |
| 387 if (table_->model()) | |
| 388 UpdateListViewCache(0, table_->model()->RowCount(), true); | |
| 389 | |
| 390 if (table_->type() == ICON_AND_TEXT) { | |
| 391 HIMAGELIST image_list = | |
| 392 ImageList_Create(kImageSize, kImageSize, ILC_COLOR32, 2, 2); | |
| 393 // We create 2 phony images because we are going to switch images at every | |
| 394 // refresh in order to force a refresh of the icon area (somehow the clip | |
| 395 // rect does not include the icon). | |
| 396 gfx::CanvasSkia canvas(kImageSize, kImageSize, false); | |
| 397 // Make the background completely transparent. | |
| 398 canvas.sk_canvas()->drawColor(SK_ColorBLACK, SkXfermode::kClear_Mode); | |
| 399 { | |
| 400 base::win::ScopedHICON empty_icon( | |
| 401 IconUtil::CreateHICONFromSkBitmap(canvas.ExtractBitmap())); | |
| 402 ImageList_AddIcon(image_list, empty_icon); | |
| 403 ImageList_AddIcon(image_list, empty_icon); | |
| 404 } | |
| 405 ListView_SetImageList(native_view(), image_list, LVSIL_SMALL); | |
| 406 } | |
| 407 | |
| 408 if (!table_->resizable_columns()) { | |
| 409 // To disable the resizing of columns we'll filter the events happening on | |
| 410 // the header. We also need to intercept the HDM_LAYOUT to size the header | |
| 411 // for the Chrome headers. | |
| 412 HWND header = ListView_GetHeader(native_view()); | |
| 413 DCHECK(header); | |
| 414 SetWindowLongPtr(header, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this)); | |
| 415 header_original_handler_ = | |
| 416 ui::SetWindowProc(header, &NativeTableWin::TableHeaderWndProc); | |
| 417 } | |
| 418 | |
| 419 SetWindowLongPtr(hwnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this)); | |
| 420 original_handler_ = | |
| 421 ui::SetWindowProc(hwnd, &NativeTableWin::TableWndProc); | |
| 422 | |
| 423 // Bug 964884: detach the IME attached to this window. | |
| 424 // We should attach IMEs only when we need to input CJK strings. | |
| 425 ::ImmAssociateContextEx(hwnd, NULL, 0); | |
| 426 | |
| 427 UpdateContentOffset(); | |
| 428 } | |
| 429 | |
| 430 //////////////////////////////////////////////////////////////////////////////// | |
| 431 // NativeTableWin, private: | |
| 432 | |
| 433 void NativeTableWin::Select(int model_row) { | |
| 434 if (!native_view()) | |
| 435 return; | |
| 436 | |
| 437 DCHECK(model_row >= 0 && model_row < table_->model()->RowCount()); | |
| 438 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(FALSE), 0); | |
| 439 ignore_listview_change_ = true; | |
| 440 | |
| 441 // Unselect everything. | |
| 442 ClearSelection(); | |
| 443 | |
| 444 // Select the specified item. | |
| 445 SetSelectedState(model_row, true); | |
| 446 SetFocusState(model_row, true); | |
| 447 | |
| 448 // Make it visible. | |
| 449 ListView_EnsureVisible(native_view(), model_row, FALSE); | |
| 450 ignore_listview_change_ = false; | |
| 451 SendMessage(native_view(), WM_SETREDRAW, static_cast<WPARAM>(TRUE), 0); | |
| 452 if (table_->observer()) | |
| 453 table_->observer()->OnSelectionChanged(); | |
| 454 } | |
| 455 | |
| 456 void NativeTableWin::OnSelectedStateChanged() { | |
| 457 if (!ignore_listview_change_ && table_->observer()) | |
| 458 table_->observer()->OnSelectionChanged(); | |
| 459 } | |
| 460 | |
| 461 void NativeTableWin::OnDoubleClick() { | |
| 462 if (!ignore_listview_change_ && table_->observer()) | |
| 463 table_->observer()->OnDoubleClick(); | |
| 464 } | |
| 465 | |
| 466 void NativeTableWin::OnMiddleClick() { | |
| 467 if (!ignore_listview_change_ && table_->observer()) | |
| 468 table_->observer()->OnMiddleClick(); | |
| 469 } | |
| 470 | |
| 471 bool NativeTableWin::OnKeyDown(ui::KeyboardCode virtual_keycode) { | |
| 472 if (!ignore_listview_change_ && table_->observer()) | |
| 473 table_->observer()->OnKeyDown(virtual_keycode); | |
| 474 return false; // Let the key event be processed as ususal. | |
| 475 } | |
| 476 | |
| 477 LRESULT NativeTableWin::OnCustomDraw(NMLVCUSTOMDRAW* draw_info) { | |
| 478 switch (draw_info->nmcd.dwDrawStage) { | |
| 479 case CDDS_PREPAINT: { | |
| 480 return CDRF_NOTIFYITEMDRAW; | |
| 481 } | |
| 482 case CDDS_ITEMPREPAINT: { | |
| 483 // The list-view is about to paint an item, tell it we want to | |
| 484 // notified when it paints every subitem. | |
| 485 LRESULT r = CDRF_NOTIFYSUBITEMDRAW; | |
| 486 if (table_->type() == ICON_AND_TEXT) | |
| 487 r |= CDRF_NOTIFYPOSTPAINT; | |
| 488 return r; | |
| 489 } | |
| 490 case CDDS_ITEMPREPAINT | CDDS_SUBITEM: { | |
| 491 // TODO(jcampan): implement custom colors and fonts. | |
| 492 return CDRF_DODEFAULT; | |
| 493 } | |
| 494 case CDDS_ITEMPOSTPAINT: { | |
| 495 DCHECK(table_->type() == ICON_AND_TEXT); | |
| 496 int view_index = static_cast<int>(draw_info->nmcd.dwItemSpec); | |
| 497 // We get notifications for empty items, just ignore them. | |
| 498 if (view_index >= table_->model()->RowCount()) | |
| 499 return CDRF_DODEFAULT; | |
| 500 LRESULT r = CDRF_DODEFAULT; | |
| 501 // First let's take care of painting the right icon. | |
| 502 if (table_->type() == ICON_AND_TEXT) { | |
| 503 SkBitmap image = table_->model()->GetIcon(view_index); | |
| 504 if (!image.isNull()) { | |
| 505 // Get the rect that holds the icon. | |
| 506 RECT icon_rect, client_rect; | |
| 507 if (ListView_GetItemRect(native_view(), view_index, &icon_rect, | |
| 508 LVIR_ICON) && | |
| 509 GetClientRect(native_view(), &client_rect)) { | |
| 510 RECT intersection; | |
| 511 // Client rect includes the header but we need to make sure we don't | |
| 512 // paint into it. | |
| 513 client_rect.top += content_offset_; | |
| 514 // Make sure the region need to paint is visible. | |
| 515 if (IntersectRect(&intersection, &icon_rect, &client_rect)) { | |
| 516 gfx::CanvasSkia canvas(icon_rect.right - icon_rect.left, | |
| 517 icon_rect.bottom - icon_rect.top, false); | |
| 518 | |
| 519 // It seems the state in nmcd.uItemState is not correct. | |
| 520 // We'll retrieve it explicitly. | |
| 521 int selected = ListView_GetItemState( | |
| 522 native_view(), view_index, LVIS_SELECTED | LVIS_DROPHILITED); | |
| 523 bool drop_highlight = ((selected & LVIS_DROPHILITED) != 0); | |
| 524 int bg_color_index; | |
| 525 if (!IsEnabled()) | |
| 526 bg_color_index = COLOR_3DFACE; | |
| 527 else if (drop_highlight) | |
| 528 bg_color_index = COLOR_HIGHLIGHT; | |
| 529 else if (selected) | |
| 530 bg_color_index = HasFocus() ? COLOR_HIGHLIGHT : COLOR_3DFACE; | |
| 531 else | |
| 532 bg_color_index = COLOR_WINDOW; | |
| 533 // NOTE: This may be invoked without the ListView filling in the | |
| 534 // background (or rather windows paints background, then invokes | |
| 535 // this twice). As such, we always fill in the background. | |
| 536 canvas.sk_canvas()->drawColor( | |
| 537 skia::COLORREFToSkColor(GetSysColor(bg_color_index)), | |
| 538 SkXfermode::kSrc_Mode); | |
| 539 // + 1 for padding (we declared the image as 18x18 in the list- | |
| 540 // view when they are 16x16 so we get an extra pixel of padding). | |
| 541 canvas.DrawBitmapInt(image, 0, 0, | |
| 542 image.width(), image.height(), | |
| 543 1, 1, | |
| 544 gfx::kFaviconSize, gfx::kFaviconSize, true); | |
| 545 | |
| 546 // Only paint the visible region of the icon. | |
| 547 RECT to_draw = { intersection.left - icon_rect.left, | |
| 548 intersection.top - icon_rect.top, | |
| 549 0, 0 }; | |
| 550 to_draw.right = to_draw.left + | |
| 551 (intersection.right - intersection.left); | |
| 552 to_draw.bottom = to_draw.top + | |
| 553 (intersection.bottom - intersection.top); | |
| 554 skia::DrawToNativeContext(canvas.sk_canvas(), draw_info->nmcd.hdc, | |
| 555 intersection.left, intersection.top, | |
| 556 &to_draw); | |
| 557 r = CDRF_SKIPDEFAULT; | |
| 558 } | |
| 559 } | |
| 560 } | |
| 561 } | |
| 562 return r; | |
| 563 } | |
| 564 default: | |
| 565 return CDRF_DODEFAULT; | |
| 566 } | |
| 567 } | |
| 568 | |
| 569 void NativeTableWin::UpdateListViewCache(int start, int length, bool add) { | |
| 570 LVITEM item = {0}; | |
| 571 int start_column = 0; | |
| 572 int max_row = start + length; | |
| 573 if (add) { | |
| 574 item.mask |= LVIF_PARAM; | |
| 575 for (int i = start; i < max_row; ++i) { | |
| 576 item.iItem = i; | |
| 577 item.lParam = i; | |
| 578 ignore_listview_change_ = true; | |
| 579 ListView_InsertItem(native_view(), &item); | |
| 580 ignore_listview_change_ = false; | |
| 581 } | |
| 582 } | |
| 583 | |
| 584 memset(&item, 0, sizeof(LVITEM)); | |
| 585 item.stateMask = 0; | |
| 586 item.mask = LVIF_TEXT; | |
| 587 if (table_->type() == ICON_AND_TEXT) | |
| 588 item.mask |= LVIF_IMAGE; | |
| 589 | |
| 590 for (size_t j = start_column; j < table_->GetVisibleColumnCount(); ++j) { | |
| 591 ui::TableColumn col = table_->GetVisibleColumnAt(j); | |
| 592 int max_text_width = ListView_GetStringWidth(native_view(), | |
| 593 col.title.c_str()); | |
| 594 for (int i = start; i < max_row; ++i) { | |
| 595 item.iItem = i; | |
| 596 item.iSubItem = j; | |
| 597 string16 text = table_->model()->GetText(i, col.id); | |
| 598 item.pszText = const_cast<LPWSTR>(text.c_str()); | |
| 599 item.iImage = 0; | |
| 600 ListView_SetItem(native_view(), &item); | |
| 601 | |
| 602 // Compute width in px, using current font. | |
| 603 int string_width = ListView_GetStringWidth(native_view(), item.pszText); | |
| 604 // The width of an icon belongs to the first column. | |
| 605 if (j == 0 && table_->type() == ICON_AND_TEXT) | |
| 606 string_width += kListViewIconWidthAndPadding; | |
| 607 max_text_width = std::max(string_width, max_text_width); | |
| 608 } | |
| 609 | |
| 610 // ListView_GetStringWidth must be padded or else truncation will occur | |
| 611 // (MSDN). 15px matches the Win32/LVSCW_AUTOSIZE_USEHEADER behavior. | |
| 612 max_text_width += kListViewTextPadding; | |
| 613 | |
| 614 // Protect against partial update. | |
| 615 if (max_text_width > col.min_visible_width || | |
| 616 (start == 0 && length == table_->model()->RowCount())) { | |
| 617 col.min_visible_width = max_text_width; | |
| 618 } | |
| 619 } | |
| 620 } | |
| 621 | |
| 622 void NativeTableWin::UpdateContentOffset() { | |
| 623 content_offset_ = 0; | |
| 624 | |
| 625 if (!native_view()) | |
| 626 return; | |
| 627 | |
| 628 HWND header = ListView_GetHeader(native_view()); | |
| 629 if (!header) | |
| 630 return; | |
| 631 | |
| 632 POINT origin = {0, 0}; | |
| 633 MapWindowPoints(header, native_view(), &origin, 1); | |
| 634 | |
| 635 RECT header_bounds; | |
| 636 GetWindowRect(header, &header_bounds); | |
| 637 | |
| 638 content_offset_ = origin.y + header_bounds.bottom - header_bounds.top; | |
| 639 } | |
| 640 | |
| 641 static int GetViewIndexFromMouseEvent(HWND window, LPARAM l_param) { | |
| 642 int x = GET_X_LPARAM(l_param); | |
| 643 int y = GET_Y_LPARAM(l_param); | |
| 644 LVHITTESTINFO hit_info = {0}; | |
| 645 hit_info.pt.x = x; | |
| 646 hit_info.pt.y = y; | |
| 647 return ListView_HitTest(window, &hit_info); | |
| 648 } | |
| 649 | |
| 650 // static | |
| 651 LRESULT CALLBACK NativeTableWin::TableWndProc(HWND window, | |
| 652 UINT message, | |
| 653 WPARAM w_param, | |
| 654 LPARAM l_param) { | |
| 655 NativeTableWin* native_table_win = reinterpret_cast<NativeTableWin*>( | |
| 656 GetWindowLongPtr(window, GWLP_USERDATA)); | |
| 657 TableView2* table = native_table_win->table_; | |
| 658 | |
| 659 // Is the mouse down on the table? | |
| 660 static bool in_mouse_down = false; | |
| 661 // Should we select on mouse up? | |
| 662 static bool select_on_mouse_up = false; | |
| 663 | |
| 664 // If the mouse is down, this is the location of the mouse down message. | |
| 665 static int mouse_down_x, mouse_down_y; | |
| 666 | |
| 667 switch (message) { | |
| 668 case WM_CONTEXTMENU: { | |
| 669 // This addresses two problems seen with context menus in right to left | |
| 670 // locales: | |
| 671 // 1. The mouse coordinates in the l_param were occasionally wrong in | |
| 672 // weird ways. This is most often seen when right clicking on the | |
| 673 // list-view twice in a row. | |
| 674 // 2. Right clicking on the icon would show the scrollbar menu. | |
| 675 // | |
| 676 // As a work around this uses the position of the cursor and ignores | |
| 677 // the position supplied in the l_param. | |
| 678 if (base::i18n::IsRTL() && | |
| 679 (GET_X_LPARAM(l_param) != -1 || GET_Y_LPARAM(l_param) != -1)) { | |
| 680 POINT screen_point; | |
| 681 GetCursorPos(&screen_point); | |
| 682 POINT table_point = screen_point; | |
| 683 RECT client_rect; | |
| 684 if (ScreenToClient(window, &table_point) && | |
| 685 GetClientRect(window, &client_rect) && | |
| 686 PtInRect(&client_rect, table_point)) { | |
| 687 // The point is over the client area of the table, handle it ourself. | |
| 688 // But first select the row if it isn't already selected. | |
| 689 LVHITTESTINFO hit_info = {0}; | |
| 690 hit_info.pt.x = table_point.x; | |
| 691 hit_info.pt.y = table_point.y; | |
| 692 int view_index = ListView_HitTest(window, &hit_info); | |
| 693 // TODO(jcampan): fix code below | |
| 694 // if (view_index != -1 && table->IsItemSelected(view_index)) | |
| 695 // table->Select(view_index); | |
| 696 // table->OnContextMenu(screen_point); | |
| 697 return 0; // So that default processing doesn't occur. | |
| 698 } | |
| 699 } | |
| 700 // else case: default handling is fine, so break and let the default | |
| 701 // handler service the request (which will likely calls us back with | |
| 702 // OnContextMenu). | |
| 703 break; | |
| 704 } | |
| 705 | |
| 706 case WM_CANCELMODE: { | |
| 707 if (in_mouse_down) { | |
| 708 in_mouse_down = false; | |
| 709 return 0; | |
| 710 } | |
| 711 break; | |
| 712 } | |
| 713 | |
| 714 case WM_ERASEBKGND: | |
| 715 // We make WM_ERASEBKGND do nothing (returning 1 indicates we handled | |
| 716 // the request). We do this so that the table view doesn't flicker during | |
| 717 // resizing. | |
| 718 return 1; | |
| 719 | |
| 720 case WM_KEYDOWN: { | |
| 721 if (!table->single_selection() && w_param == 'A' && | |
| 722 GetKeyState(VK_CONTROL) < 0 && table->model()->RowCount() > 0) { | |
| 723 // Select everything. | |
| 724 ListView_SetItemState(window, -1, LVIS_SELECTED, LVIS_SELECTED); | |
| 725 // And make the first row focused. | |
| 726 ListView_SetItemState(window, 0, LVIS_FOCUSED, LVIS_FOCUSED); | |
| 727 return 0; | |
| 728 } else if (w_param == VK_DELETE && table->observer()) { | |
| 729 table->observer()->OnTableView2Delete(table); | |
| 730 return 0; | |
| 731 } | |
| 732 // else case: fall through to default processing. | |
| 733 break; | |
| 734 } | |
| 735 | |
| 736 case WM_LBUTTONDBLCLK: { | |
| 737 if (w_param == MK_LBUTTON) | |
| 738 native_table_win->OnDoubleClick(); | |
| 739 return 0; | |
| 740 } | |
| 741 | |
| 742 case WM_MBUTTONDOWN: { | |
| 743 if (w_param == MK_MBUTTON) { | |
| 744 int view_index = GetViewIndexFromMouseEvent(window, l_param); | |
| 745 if (view_index != -1) { | |
| 746 // Clear all and select the row that was middle clicked. | |
| 747 native_table_win->Select(view_index); | |
| 748 native_table_win->OnMiddleClick(); | |
| 749 } | |
| 750 } | |
| 751 return 0; | |
| 752 } | |
| 753 | |
| 754 case WM_LBUTTONUP: { | |
| 755 if (in_mouse_down) { | |
| 756 in_mouse_down = false; | |
| 757 ReleaseCapture(); | |
| 758 ::SetFocus(window); | |
| 759 if (select_on_mouse_up) { | |
| 760 int view_index = GetViewIndexFromMouseEvent(window, l_param); | |
| 761 if (view_index != -1) | |
| 762 native_table_win->Select(view_index); | |
| 763 } | |
| 764 return 0; | |
| 765 } | |
| 766 break; | |
| 767 } | |
| 768 | |
| 769 case WM_LBUTTONDOWN: { | |
| 770 // ListView treats clicking on an area outside the text of a column as | |
| 771 // drag to select. This is confusing when the selection is shown across | |
| 772 // the whole row. For this reason we override the default handling for | |
| 773 // mouse down/move/up and treat the whole row as draggable. That is, no | |
| 774 // matter where you click in the row we'll attempt to start dragging. | |
| 775 // | |
| 776 // Only do custom mouse handling if no other mouse buttons are down. | |
| 777 if ((w_param | (MK_LBUTTON | MK_CONTROL | MK_SHIFT)) == | |
| 778 (MK_LBUTTON | MK_CONTROL | MK_SHIFT)) { | |
| 779 if (in_mouse_down) | |
| 780 return 0; | |
| 781 | |
| 782 int view_index = GetViewIndexFromMouseEvent(window, l_param); | |
| 783 if (view_index != -1) { | |
| 784 native_table_win->ignore_listview_change_ = true; | |
| 785 in_mouse_down = true; | |
| 786 select_on_mouse_up = false; | |
| 787 mouse_down_x = GET_X_LPARAM(l_param); | |
| 788 mouse_down_y = GET_Y_LPARAM(l_param); | |
| 789 bool select = true; | |
| 790 if (w_param & MK_CONTROL) { | |
| 791 select = false; | |
| 792 if (!native_table_win->IsRowSelected(view_index)) { | |
| 793 if (table->single_selection()) { | |
| 794 // Single selection mode and the row isn't selected, select | |
| 795 // only it. | |
| 796 native_table_win->Select(view_index); | |
| 797 } else { | |
| 798 // Not single selection, add this row to the selection. | |
| 799 native_table_win->SetSelectedState(view_index, true); | |
| 800 } | |
| 801 } else { | |
| 802 // Remove this row from the selection. | |
| 803 native_table_win->SetSelectedState(view_index, false); | |
| 804 } | |
| 805 ListView_SetSelectionMark(window, view_index); | |
| 806 } else if (!table->single_selection() && w_param & MK_SHIFT) { | |
| 807 int mark_view_index = ListView_GetSelectionMark(window); | |
| 808 if (mark_view_index != -1) { | |
| 809 // Unselect everything. | |
| 810 ListView_SetItemState(window, -1, 0, LVIS_SELECTED); | |
| 811 select = false; | |
| 812 | |
| 813 // Select from mark to mouse down location. | |
| 814 for (int i = std::min(view_index, mark_view_index), | |
| 815 max_i = std::max(view_index, mark_view_index); i <= max_i; | |
| 816 ++i) { | |
| 817 native_table_win->SetSelectedState(i, true); | |
| 818 } | |
| 819 } | |
| 820 } | |
| 821 // Make the row the user clicked on the focused row. | |
| 822 ListView_SetItemState(window, view_index, LVIS_FOCUSED, | |
| 823 LVIS_FOCUSED); | |
| 824 if (select) { | |
| 825 if (!native_table_win->IsRowSelected(view_index)) { | |
| 826 // Clear all. | |
| 827 ListView_SetItemState(window, -1, 0, LVIS_SELECTED); | |
| 828 // And select the row the user clicked on. | |
| 829 native_table_win->SetSelectedState(view_index, true); | |
| 830 } else { | |
| 831 // The item is already selected, don't clear the state right away | |
| 832 // in case the user drags. Instead wait for mouse up, then only | |
| 833 // select the row the user clicked on. | |
| 834 select_on_mouse_up = true; | |
| 835 } | |
| 836 ListView_SetSelectionMark(window, view_index); | |
| 837 } | |
| 838 native_table_win->ignore_listview_change_ = false; | |
| 839 table->observer()->OnSelectionChanged(); | |
| 840 SetCapture(window); | |
| 841 return 0; | |
| 842 } | |
| 843 // else case, continue on to default handler | |
| 844 } | |
| 845 break; | |
| 846 } | |
| 847 | |
| 848 case WM_MOUSEMOVE: { | |
| 849 if (in_mouse_down) { | |
| 850 int x = GET_X_LPARAM(l_param); | |
| 851 int y = GET_Y_LPARAM(l_param); | |
| 852 if (View::ExceededDragThreshold(x - mouse_down_x, y - mouse_down_y)) { | |
| 853 // We're about to start drag and drop, which results in no mouse up. | |
| 854 // Release capture and reset state. | |
| 855 ReleaseCapture(); | |
| 856 in_mouse_down = false; | |
| 857 | |
| 858 NMLISTVIEW details; | |
| 859 memset(&details, 0, sizeof(details)); | |
| 860 details.hdr.code = LVN_BEGINDRAG; | |
| 861 SendMessage(::GetParent(window), WM_NOTIFY, 0, | |
| 862 reinterpret_cast<LPARAM>(&details)); | |
| 863 } | |
| 864 return 0; | |
| 865 } | |
| 866 break; | |
| 867 } | |
| 868 | |
| 869 default: | |
| 870 break; | |
| 871 } | |
| 872 | |
| 873 DCHECK(native_table_win->original_handler_); | |
| 874 return CallWindowProc(native_table_win->original_handler_, window, message, | |
| 875 w_param, l_param); | |
| 876 } | |
| 877 | |
| 878 LRESULT CALLBACK NativeTableWin::TableHeaderWndProc(HWND window, UINT message, | |
| 879 WPARAM w_param, | |
| 880 LPARAM l_param) { | |
| 881 NativeTableWin* native_table_win = reinterpret_cast<NativeTableWin*>( | |
| 882 GetWindowLongPtr(window, GWLP_USERDATA)); | |
| 883 | |
| 884 switch (message) { | |
| 885 case WM_SETCURSOR: | |
| 886 if (!native_table_win->table_->resizable_columns()) | |
| 887 // Prevents the cursor from changing to the resize cursor. | |
| 888 return TRUE; | |
| 889 break; | |
| 890 // TODO(jcampan): we should also block single click messages on the | |
| 891 // separator as right now columns can still be resized. | |
| 892 case WM_LBUTTONDBLCLK: | |
| 893 if (!native_table_win->table_->resizable_columns()) | |
| 894 // Prevents the double-click on the column separator from auto-resizing | |
| 895 // the column. | |
| 896 return TRUE; | |
| 897 break; | |
| 898 default: | |
| 899 break; | |
| 900 } | |
| 901 DCHECK(native_table_win->header_original_handler_); | |
| 902 return CallWindowProc(native_table_win->header_original_handler_, | |
| 903 window, message, w_param, l_param); | |
| 904 } | |
| 905 | |
| 906 //////////////////////////////////////////////////////////////////////////////// | |
| 907 // NativeTableWrapper, public: | |
| 908 | |
| 909 // static | |
| 910 NativeTableWrapper* NativeTableWrapper::CreateNativeWrapper(TableView2* table) { | |
| 911 return new NativeTableWin(table); | |
| 912 } | |
| 913 | |
| 914 } // namespace views | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8655001:
views: Move table and tree directories to ui/views/controls/. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src