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1 /* | 1 /* |
2 * (C) 1999 Lars Knoll (knoll@kde.org) | 2 * (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 2000 Dirk Mueller (mueller@kde.org) | 3 * (C) 2000 Dirk Mueller (mueller@kde.org) |
4 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | 4 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
5 * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net) | 5 * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net) |
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) | 6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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373 // coordinates are unsigneds, so changing this function to take ints causes | 373 // coordinates are unsigneds, so changing this function to take ints causes |
374 // various internal mismatches. But selectionRect takes ints, and passing | 374 // various internal mismatches. But selectionRect takes ints, and passing |
375 // UINT_MAX to it causes trouble. Ideally we'd change selectionRect to take | 375 // UINT_MAX to it causes trouble. Ideally we'd change selectionRect to take |
376 // unsigneds, but that would cause many ripple effects, so for now we'll just | 376 // unsigneds, but that would cause many ripple effects, so for now we'll just |
377 // clamp our unsigned parameters to INT_MAX. | 377 // clamp our unsigned parameters to INT_MAX. |
378 ASSERT(end == UINT_MAX || end <= INT_MAX); | 378 ASSERT(end == UINT_MAX || end <= INT_MAX); |
379 ASSERT(start <= INT_MAX); | 379 ASSERT(start <= INT_MAX); |
380 start = std::min(start, static_cast<unsigned>(INT_MAX)); | 380 start = std::min(start, static_cast<unsigned>(INT_MAX)); |
381 end = std::min(end, static_cast<unsigned>(INT_MAX)); | 381 end = std::min(end, static_cast<unsigned>(INT_MAX)); |
382 | 382 |
383 bool hasCheckedBoxInRange = false; | 383 // This function is always called in sequence that this check should work. |
| 384 bool hasCheckedBoxInRange = !rects.isEmpty(); |
384 | 385 |
385 for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) { | 386 for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) { |
386 // Note: box->end() returns the index of the last character, not the index | 387 // Note: box->end() returns the index of the last character, not the index |
387 // past it | 388 // past it |
388 if (start <= box->start() && box->end() < end) { | 389 if (start <= box->start() && box->end() < end) { |
389 FloatRect r(box->frameRect()); | 390 FloatRect r(box->frameRect()); |
390 if (useSelectionHeight) { | 391 if (useSelectionHeight) { |
391 LayoutRect selectionRect = box->localSelectionRect(start, end); | 392 LayoutRect selectionRect = box->localSelectionRect(start, end); |
392 if (box->isHorizontal()) { | 393 if (box->isHorizontal()) { |
393 r.setHeight(selectionRect.height().toFloat()); | 394 r.setHeight(selectionRect.height().toFloat()); |
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496 end = std::min(end, static_cast<unsigned>(INT_MAX)); | 497 end = std::min(end, static_cast<unsigned>(INT_MAX)); |
497 | 498 |
498 const unsigned caretMinOffset = static_cast<unsigned>(this->caretMinOffset()); | 499 const unsigned caretMinOffset = static_cast<unsigned>(this->caretMinOffset()); |
499 const unsigned caretMaxOffset = static_cast<unsigned>(this->caretMaxOffset()); | 500 const unsigned caretMaxOffset = static_cast<unsigned>(this->caretMaxOffset()); |
500 | 501 |
501 // Narrows |start| and |end| into |caretMinOffset| and |careMaxOffset| | 502 // Narrows |start| and |end| into |caretMinOffset| and |careMaxOffset| |
502 // to ignore unrendered leading and trailing whitespaces. | 503 // to ignore unrendered leading and trailing whitespaces. |
503 start = std::min(std::max(caretMinOffset, start), caretMaxOffset); | 504 start = std::min(std::max(caretMinOffset, start), caretMaxOffset); |
504 end = std::min(std::max(caretMinOffset, end), caretMaxOffset); | 505 end = std::min(std::max(caretMinOffset, end), caretMaxOffset); |
505 | 506 |
506 bool hasCheckedBoxInRange = false; | 507 // This function is always called in sequence that this check should work. |
| 508 bool hasCheckedBoxInRange = !quads.isEmpty(); |
507 | 509 |
508 for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) { | 510 for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) { |
509 // Note: box->end() returns the index of the last character, not the index | 511 // Note: box->end() returns the index of the last character, not the index |
510 // past it | 512 // past it |
511 if (start <= box->start() && box->end() < end) { | 513 if (start <= box->start() && box->end() < end) { |
512 LayoutRect r(box->frameRect()); | 514 LayoutRect r(box->frameRect()); |
513 if (useSelectionHeight) { | 515 if (useSelectionHeight) { |
514 LayoutRect selectionRect = box->localSelectionRect(start, end); | 516 LayoutRect selectionRect = box->localSelectionRect(start, end); |
515 if (box->isHorizontal()) { | 517 if (box->isHorizontal()) { |
516 r.setHeight(selectionRect.height()); | 518 r.setHeight(selectionRect.height()); |
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2090 LayoutRect rect = LayoutRect( | 2092 LayoutRect rect = LayoutRect( |
2091 IntRect(firstRunX(), firstRunY(), linesBox.width(), linesBox.height())); | 2093 IntRect(firstRunX(), firstRunY(), linesBox.width(), linesBox.height())); |
2092 LayoutBlock* block = containingBlock(); | 2094 LayoutBlock* block = containingBlock(); |
2093 if (block && hasTextBoxes()) | 2095 if (block && hasTextBoxes()) |
2094 block->adjustChildDebugRect(rect); | 2096 block->adjustChildDebugRect(rect); |
2095 | 2097 |
2096 return rect; | 2098 return rect; |
2097 } | 2099 } |
2098 | 2100 |
2099 } // namespace blink | 2101 } // namespace blink |
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