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