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| 1 | |
| 2 /* | |
| 3 * Copyright 2011 Google Inc. | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 #include "SkWidgetViews.h" | |
| 9 #include "SkTextBox.h" | |
| 10 | |
| 11 #ifdef SK_DEBUG | |
| 12 static void assert_no_attr(const SkDOM& dom, const SkDOM::Node* node, const char
attr[]) | |
| 13 { | |
| 14 const char* value = dom.findAttr(node, attr); | |
| 15 if (value) | |
| 16 SkDebugf("unknown attribute %s=\"%s\"\n", attr, value); | |
| 17 } | |
| 18 #else | |
| 19 #define assert_no_attr(dom, node, attr) | |
| 20 #endif | |
| 21 | |
| 22 SkStaticTextView::SkStaticTextView() | |
| 23 { | |
| 24 fMargin.set(0, 0); | |
| 25 fMode = kFixedSize_Mode; | |
| 26 fSpacingAlign = SkTextBox::kStart_SpacingAlign; | |
| 27 | |
| 28 // init_skin_paint(kStaticText_SkinEnum, &fPaint); | |
| 29 } | |
| 30 | |
| 31 SkStaticTextView::~SkStaticTextView() | |
| 32 { | |
| 33 } | |
| 34 | |
| 35 void SkStaticTextView::computeSize() | |
| 36 { | |
| 37 if (fMode == kAutoWidth_Mode) | |
| 38 { | |
| 39 SkScalar width = fPaint.measureText(fText.c_str(), fText.size()); | |
| 40 this->setWidth(width + fMargin.fX * 2); | |
| 41 } | |
| 42 else if (fMode == kAutoHeight_Mode) | |
| 43 { | |
| 44 SkScalar width = this->width() - fMargin.fX * 2; | |
| 45 int lines = width > 0 ? SkTextLineBreaker::CountLines(fText.c_str(), fTe
xt.size(), fPaint, width) : 0; | |
| 46 | |
| 47 this->setHeight(lines * fPaint.getFontSpacing() + fMargin.fY * 2); | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 void SkStaticTextView::setMode(Mode mode) | |
| 52 { | |
| 53 SkASSERT((unsigned)mode < kModeCount); | |
| 54 | |
| 55 if (fMode != mode) | |
| 56 { | |
| 57 fMode = SkToU8(mode); | |
| 58 this->computeSize(); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 void SkStaticTextView::setSpacingAlign(SkTextBox::SpacingAlign align) | |
| 63 { | |
| 64 fSpacingAlign = SkToU8(align); | |
| 65 this->inval(nullptr); | |
| 66 } | |
| 67 | |
| 68 void SkStaticTextView::getMargin(SkPoint* margin) const | |
| 69 { | |
| 70 if (margin) | |
| 71 *margin = fMargin; | |
| 72 } | |
| 73 | |
| 74 void SkStaticTextView::setMargin(SkScalar dx, SkScalar dy) | |
| 75 { | |
| 76 if (fMargin.fX != dx || fMargin.fY != dy) | |
| 77 { | |
| 78 fMargin.set(dx, dy); | |
| 79 this->computeSize(); | |
| 80 this->inval(nullptr); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 size_t SkStaticTextView::getText(SkString* text) const | |
| 85 { | |
| 86 if (text) | |
| 87 *text = fText; | |
| 88 return fText.size(); | |
| 89 } | |
| 90 | |
| 91 size_t SkStaticTextView::getText(char text[]) const | |
| 92 { | |
| 93 if (text) | |
| 94 memcpy(text, fText.c_str(), fText.size()); | |
| 95 return fText.size(); | |
| 96 } | |
| 97 | |
| 98 void SkStaticTextView::setText(const SkString& text) | |
| 99 { | |
| 100 this->setText(text.c_str(), text.size()); | |
| 101 } | |
| 102 | |
| 103 void SkStaticTextView::setText(const char text[]) | |
| 104 { | |
| 105 if (text == nullptr) | |
| 106 text = ""; | |
| 107 this->setText(text, strlen(text)); | |
| 108 } | |
| 109 | |
| 110 void SkStaticTextView::setText(const char text[], size_t len) | |
| 111 { | |
| 112 if (!fText.equals(text, len)) | |
| 113 { | |
| 114 fText.set(text, len); | |
| 115 this->computeSize(); | |
| 116 this->inval(nullptr); | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 void SkStaticTextView::getPaint(SkPaint* paint) const | |
| 121 { | |
| 122 if (paint) | |
| 123 *paint = fPaint; | |
| 124 } | |
| 125 | |
| 126 void SkStaticTextView::setPaint(const SkPaint& paint) | |
| 127 { | |
| 128 if (fPaint != paint) | |
| 129 { | |
| 130 fPaint = paint; | |
| 131 this->computeSize(); | |
| 132 this->inval(nullptr); | |
| 133 } | |
| 134 } | |
| 135 | |
| 136 void SkStaticTextView::onDraw(SkCanvas* canvas) | |
| 137 { | |
| 138 this->INHERITED::onDraw(canvas); | |
| 139 | |
| 140 if (fText.isEmpty()) | |
| 141 return; | |
| 142 | |
| 143 SkTextBox box; | |
| 144 | |
| 145 box.setMode(fMode == kAutoWidth_Mode ? SkTextBox::kOneLine_Mode : SkTextBox:
:kLineBreak_Mode); | |
| 146 box.setSpacingAlign(this->getSpacingAlign()); | |
| 147 box.setBox(fMargin.fX, fMargin.fY, this->width() - fMargin.fX, this->height(
) - fMargin.fY); | |
| 148 box.draw(canvas, fText.c_str(), fText.size(), fPaint); | |
| 149 } | |
| 150 | |
| 151 void SkStaticTextView::onInflate(const SkDOM& dom, const SkDOM::Node* node) | |
| 152 { | |
| 153 if (false) { // avoid bit rot, suppress warning | |
| 154 this->INHERITED::onInflate(dom, node); | |
| 155 | |
| 156 int index; | |
| 157 if ((index = dom.findList(node, "mode", "fixed,auto-width,auto-height")) >=
0) { | |
| 158 this->setMode((Mode)index); | |
| 159 } else { | |
| 160 assert_no_attr(dom, node, "mode"); | |
| 161 } | |
| 162 | |
| 163 if ((index = dom.findList(node, "spacing-align", "start,center,end")) >= 0)
{ | |
| 164 this->setSpacingAlign((SkTextBox::SpacingAlign)index); | |
| 165 } else { | |
| 166 assert_no_attr(dom, node, "spacing-align"); | |
| 167 } | |
| 168 | |
| 169 SkScalar s[2]; | |
| 170 if (dom.findScalars(node, "margin", s, 2)) { | |
| 171 this->setMargin(s[0], s[1]); | |
| 172 } else { | |
| 173 assert_no_attr(dom, node, "margin"); | |
| 174 } | |
| 175 | |
| 176 const char* text = dom.findAttr(node, "text"); | |
| 177 if (text) { | |
| 178 this->setText(text); | |
| 179 } | |
| 180 | |
| 181 if ((node = dom.getFirstChild(node, "paint")) != nullptr && | |
| 182 (node = dom.getFirstChild(node, "screenplay")) != nullptr) | |
| 183 { | |
| 184 // FIXME: Including inflate_paint causes Windows build to fail -- it complains | |
| 185 // that SKListView::SkListView is undefined. | |
| 186 #if 0 | |
| 187 inflate_paint(dom, node, &fPaint); | |
| 188 #endif | |
| 189 } | |
| 190 } | |
| 191 } | |
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Chromium Code Reviews
Issue 1745813002:
remove unused view files (Closed)
Base URL: https://skia.googlesource.com/skia.git@master