+++ /dev/null
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "SkWidget.h"
-#include "SkCanvas.h"
-#include "SkEvent.h"
-#include "SkKey.h"
-#include "SkParsePaint.h"
-#include "SkSystemEventTypes.h"
-
-#if 0
-
-SkEvent* SkListSource::getEvent(int index)
-{
- return NULL;
-}
-
-#include "SkOSFile.h"
-
-class SkDirListSource : public SkListSource {
-public:
- SkDirListSource(const char path[], const char suffix[], const char target[])
- : fPath(path), fSuffix(suffix), fTarget(target)
- {
- fCount = -1;
- }
- virtual int countRows()
- {
- if (fCount < 0)
- {
- fCount = 0;
- fIter.reset(fPath.c_str(), fSuffix.c_str());
- while (fIter.next(NULL))
- fCount += 1;
- fIter.reset(fPath.c_str(), fSuffix.c_str());
- fIndex = 0;
- }
- return fCount;
- }
- virtual void getRow(int index, SkString* left, SkString* right)
- {
- (void)this->countRows();
- SkASSERT((unsigned)index < (unsigned)fCount);
-
- if (fIndex > index)
- {
- fIter.reset(fPath.c_str(), fSuffix.c_str());
- fIndex = 0;
- }
-
- while (fIndex < index)
- {
- fIter.next(NULL);
- fIndex += 1;
- }
-
- if (fIter.next(left))
- {
- if (left)
- left->remove(left->size() - fSuffix.size(), fSuffix.size());
- }
- else
- {
- if (left)
- left->reset();
- }
- if (right) // only set to ">" if we know we're on a sub-directory
- right->reset();
-
- fIndex += 1;
- }
- virtual SkEvent* getEvent(int index)
- {
- SkASSERT((unsigned)index < (unsigned)fCount);
-
- SkEvent* evt = new SkEvent();
- SkString label;
-
- this->getRow(index, &label, NULL);
- evt->setString("name", label.c_str());
-
- int c = fPath.c_str()[fPath.size() - 1];
- if (c != '/' && c != '\\')
- label.prepend("/");
- label.prepend(fPath);
- label.append(fSuffix);
- evt->setString("path", label.c_str());
- evt->setS32("index", index);
- evt->setS32("duration", 22);
- evt->setType(fTarget);
- return evt;
- }
-
-private:
- SkString fPath, fSuffix;
- SkString fTarget;
- SkOSFile::Iter fIter;
- int fCount;
- int fIndex;
-};
-
-SkListSource* SkListSource::CreateFromDir(const char path[], const char suffix[], const char target[])
-{
- return new SkDirListSource(path, suffix, target);
-}
-
-//////////////////////////////////////////////////////////////////
-
-class SkDOMListSource : public SkListSource {
-public:
- enum Type {
- kUnknown_Type,
- kDir_Type,
- kToggle_Type
- };
- struct ItemRec {
- SkString fLabel;
- SkString fTail, fAltTail;
- SkString fTarget;
- Type fType;
- };
-
- SkDOMListSource(const SkDOM& dom, const SkDOM::Node* node) : fDirTail(">")
- {
- const SkDOM::Node* child = dom.getFirstChild(node, "item");
- int count = 0;
-
- while (child)
- {
- count += 1;
- child = dom.getNextSibling(child, "item");
- }
-
- fCount = count;
- fList = NULL;
- if (count)
- {
- ItemRec* rec = fList = new ItemRec[count];
-
- child = dom.getFirstChild(node, "item");
- while (child)
- {
- rec->fLabel.set(dom.findAttr(child, "label"));
- rec->fTail.set(dom.findAttr(child, "tail"));
- rec->fAltTail.set(dom.findAttr(child, "alt-tail"));
- rec->fTarget.set(dom.findAttr(child, "target"));
- rec->fType = kUnknown_Type;
-
- int index = dom.findList(child, "type", "dir,toggle");
- if (index >= 0)
- rec->fType = (Type)(index + 1);
-
- child = dom.getNextSibling(child, "item");
- rec += 1;
- }
- }
- }
- virtual ~SkDOMListSource()
- {
- delete[] fList;
- }
- virtual int countRows()
- {
- return fCount;
- }
- virtual void getRow(int index, SkString* left, SkString* right)
- {
- SkASSERT((unsigned)index < (unsigned)fCount);
-
- if (left)
- *left = fList[index].fLabel;
- if (right)
- *right = fList[index].fType == kDir_Type ? fDirTail : fList[index].fTail;
- }
- virtual SkEvent* getEvent(int index)
- {
- SkASSERT((unsigned)index < (unsigned)fCount);
-
- if (fList[index].fType == kDir_Type)
- {
- SkEvent* evt = new SkEvent();
- evt->setType(fList[index].fTarget);
- evt->setFast32(index);
- return evt;
- }
- if (fList[index].fType == kToggle_Type)
- fList[index].fTail.swap(fList[index].fAltTail);
-
- return NULL;
- }
-
-private:
- int fCount;
- ItemRec* fList;
- SkString fDirTail;
-};
-
-SkListSource* SkListSource::CreateFromDOM(const SkDOM& dom, const SkDOM::Node* node)
-{
- return new SkDOMListSource(dom, node);
-}
-
-//////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////
-
-SkListView::SkListView(U32 flags) : SkWidgetView(flags)
-{
- fSource = NULL;
- fScrollIndex = 0;
- fCurrIndex = -1;
- fRowHeight = SkIntToScalar(16);
- fVisibleRowCount = 0;
- fStrCache = NULL;
-
- fPaint[kBG_Attr].setColor(0);
- fPaint[kNormalText_Attr].setTextSize(SkIntToScalar(14));
- fPaint[kHiliteText_Attr].setTextSize(SkIntToScalar(14));
- fPaint[kHiliteText_Attr].setColor(SK_ColorWHITE);
- fPaint[kHiliteCell_Attr].setColor(SK_ColorBLUE);
-}
-
-SkListView::~SkListView()
-{
- delete[] fStrCache;
- fSource->safeUnref();
-}
-
-void SkListView::setRowHeight(SkScalar height)
-{
- SkASSERT(height >= 0);
-
- if (fRowHeight != height)
- {
- fRowHeight = height;
- this->inval(NULL);
- this->onSizeChange();
- }
-}
-
-void SkListView::setSelection(int index)
-{
- if (fCurrIndex != index)
- {
- this->invalSelection();
- fCurrIndex = index;
- this->invalSelection();
- this->ensureSelectionIsVisible();
-
- {
- SkEvent evt;
- evt.setType("listview-selection");
- evt.setFast32(index);
- this->sendEventToParents(evt);
- }
- }
-}
-
-void SkListView::moveSelectionUp()
-{
- if (fSource)
- {
- int index = fCurrIndex;
- if (index < 0) // no selection
- index = fSource->countRows() - 1;
- else
- index = SkMax32(index - 1, 0);
- this->setSelection(index);
- }
-}
-
-void SkListView::moveSelectionDown()
-{
- if (fSource)
- {
- int index = fCurrIndex;
- if (index < 0) // no selection
- index = 0;
- else
- index = SkMin32(index + 1, fSource->countRows() - 1);
- this->setSelection(index);
- }
-}
-
-void SkListView::invalSelection()
-{
- SkRect r;
- if (this->getRowRect(fCurrIndex, &r))
- this->inval(&r);
-}
-
-void SkListView::ensureSelectionIsVisible()
-{
- if (fSource == NULL)
- return;
-
- if ((unsigned)fCurrIndex < (unsigned)fSource->countRows())
- {
- int index = this->logicalToVisualIndex(fCurrIndex);
-
- if ((unsigned)index >= (unsigned)fVisibleRowCount) // need to scroll
- {
- if (index < 0) // too high
- fScrollIndex = fCurrIndex;
- else
- fScrollIndex = fCurrIndex - fVisibleRowCount + 1;
- SkASSERT((unsigned)fScrollIndex < (unsigned)fSource->countRows());
-
- this->dirtyStrCache();
- this->inval(NULL);
- }
- }
-}
-
-bool SkListView::getRowRect(int index, SkRect* r) const
-{
- SkASSERT(r);
- index = this->logicalToVisualIndex(index);
- if (index >= 0)
- {
- SkScalar top = index * fRowHeight;
-
- if (top < this->height())
- {
- if (r)
- r->set(0, top, this->width(), top + fRowHeight);
- return true;
- }
- }
- return false;
-}
-
-SkPaint& SkListView::paint(Attr attr)
-{
- SkASSERT((unsigned)attr < kAttrCount);
- return fPaint[attr];
-}
-
-SkListSource* SkListView::setListSource(SkListSource* src)
-{
- if (fSource != src)
- {
- SkRefCnt_SafeAssign(fSource, src);
- this->dirtyStrCache();
- this->ensureSelectionIsVisible();
- this->inval(NULL);
- }
- return src;
-}
-
-void SkListView::onDraw(SkCanvas* canvas)
-{
- this->INHERITED::onDraw(canvas);
-
- canvas->drawPaint(fPaint[kBG_Attr]);
-
- int visibleCount = SkMin32(fVisibleRowCount, fSource->countRows() - fScrollIndex);
- if (visibleCount == 0)
- return;
-
- this->ensureStrCache(visibleCount);
- int currIndex = this->logicalToVisualIndex(fCurrIndex);
-
- if ((unsigned)currIndex < (unsigned)visibleCount)
- {
- SkAutoCanvasRestore restore(canvas, true);
- SkRect r;
-
- canvas->translate(0, currIndex * fRowHeight);
- (void)this->getRowRect(fScrollIndex, &r);
- canvas->drawRect(r, fPaint[kHiliteCell_Attr]);
- }
-
- SkPaint* p;
- SkScalar y, x = SkIntToScalar(6);
- SkScalar rite = this->width() - x;
-
- {
- SkScalar ascent, descent;
- fPaint[kNormalText_Attr].measureText(0, NULL, &ascent, &descent);
- y = SkScalarHalf(fRowHeight - descent + ascent) - ascent;
- }
-
- for (int i = 0; i < visibleCount; i++)
- {
- if (i == currIndex)
- p = &fPaint[kHiliteText_Attr];
- else
- p = &fPaint[kNormalText_Attr];
-
- p->setTextAlign(SkPaint::kLeft_Align);
- canvas->drawText(fStrCache[i].c_str(), fStrCache[i].size(), x, y, *p);
- p->setTextAlign(SkPaint::kRight_Align);
- canvas->drawText(fStrCache[i + visibleCount].c_str(), fStrCache[i + visibleCount].size(), rite, y, *p);
- canvas->translate(0, fRowHeight);
- }
-}
-
-void SkListView::onSizeChange()
-{
- SkScalar count = SkScalarDiv(this->height(), fRowHeight);
- int n = SkScalarFloor(count);
-
- // only want to show rows that are mostly visible
- if (n == 0 || count - SkIntToScalar(n) > SK_Scalar1*75/100)
- n += 1;
-
- if (fVisibleRowCount != n)
- {
- fVisibleRowCount = n;
- this->ensureSelectionIsVisible();
- this->dirtyStrCache();
- }
-}
-
-void SkListView::dirtyStrCache()
-{
- if (fStrCache)
- {
- delete[] fStrCache;
- fStrCache = NULL;
- }
-}
-
-void SkListView::ensureStrCache(int count)
-{
- if (fStrCache == NULL)
- {
- fStrCache = new SkString[count << 1];
-
- if (fSource)
- for (int i = 0; i < count; i++)
- fSource->getRow(i + fScrollIndex, &fStrCache[i], &fStrCache[i + count]);
- }
-}
-
-bool SkListView::onEvent(const SkEvent& evt)
-{
- if (evt.isType(SK_EventType_Key))
- {
- switch (evt.getFast32()) {
- case kUp_SkKey:
- this->moveSelectionUp();
- return true;
- case kDown_SkKey:
- this->moveSelectionDown();
- return true;
- case kRight_SkKey:
- case kOK_SkKey:
- if (fSource && fCurrIndex >= 0)
- {
- SkEvent* evt = fSource->getEvent(fCurrIndex);
- if (evt)
- {
- SkView* view = this->sendEventToParents(*evt);
- delete evt;
- return view != NULL;
- }
- else // hack to make toggle work
- {
- this->dirtyStrCache();
- this->inval(NULL);
- }
- }
- break;
- }
- }
- return this->INHERITED::onEvent(evt);
-}
-
-void SkListView::onInflate(const SkDOM& dom, const SkDOM::Node* node)
-{
- this->INHERITED::onInflate(dom, node);
-
- SkScalar x;
- const SkDOM::Node* child;
-
- if (dom.findScalar(node, "row-height", &x))
- this->setRowHeight(x);
-
- if ((child = dom.getFirstChild(node, "hilite-paint")) != NULL)
- SkPaint_Inflate(&this->paint(kHiliteCell_Attr), dom, child);
-
- // look for a listsource
- {
- SkListSource* src = NULL;
-
- if ((child = dom.getFirstChild(node, "file-listsource")) != NULL)
- {
- const char* path = dom.findAttr(child, "path");
- if (path)
- src = SkListSource::CreateFromDir( path,
- dom.findAttr(child, "filter"),
- dom.findAttr(child, "target"));
- }
- else if ((child = dom.getFirstChild(node, "xml-listsource")) != NULL)
- {
- src = SkListSource::CreateFromDOM(dom, child);
- }
-
- if (src)
- {
- this->setListSource(src)->unref();
- this->setSelection(0);
- }
- }
-}
-
-///////////////////////////////////////////////////////////////////////////////////////////
-///////////////////////////////////////////////////////////////////////////////////////////
-
-#include "SkImageDecoder.h"
-#include "SkShader.h"
-
-class SkScrollBarView : public SkView {
-public:
- SkScrollBarView(const char bg[], const char fg[])
- {
- fBGRef = SkBitmapRef::Decode(bg, true);
- fFGRef = SkBitmapRef::Decode(fg, true);
-
- if (fBGRef)
- this->setWidth(SkIntToScalar(fBGRef->bitmap().width()));
- }
- ~SkScrollBarView()
- {
- delete fBGRef;
- delete fFGRef;
- }
-protected:
- virtual void onDraw(SkCanvas* canvas)
- {
- if (fBGRef == NULL) return;
-
- SkPaint paint;
-
- SkShader* shader = SkShader::CreateBitmapShader(fBGRef->bitmap(), false, SkPaint::kNo_FilterType, SkShader::kClamp_TileMode);
- paint.setShader(shader)->unref();
-
- canvas->drawPaint(paint);
- }
-private:
- SkBitmapRef* fBGRef, *fFGRef;
-};
-
-SkGridView::SkGridView(U32 flags) : SkWidgetView(flags)
-{
- fSource = NULL;
- fCurrIndex = -1;
- fVisibleCount.set(0, 0);
-
- fPaint[kBG_Attr].setColor(SK_ColorWHITE);
- fPaint[kHiliteCell_Attr].setColor(SK_ColorYELLOW);
- fPaint[kHiliteCell_Attr].setStyle(SkPaint::kStroke_Style);
- fPaint[kHiliteCell_Attr].setAntiAliasOn(true);
- fPaint[kHiliteCell_Attr].setStrokeWidth(SK_Scalar1*3);
-
- fScrollBar = new SkScrollBarView("icons/scrollbarGrey.jpg", "icons/scrollbarBlue.jpg");
- this->attachChildToFront(fScrollBar)->unref();
- fScrollBar->setVisibleP(true);
-}
-
-SkGridView::~SkGridView()
-{
- fSource->safeUnref();
-}
-
-void SkGridView::getCellSize(SkPoint* size) const
-{
- if (size)
- *size = fCellSize;
-}
-
-void SkGridView::setCellSize(SkScalar x, SkScalar y)
-{
- SkASSERT(x >= 0 && y >= 0);
-
- if (!fCellSize.equals(x, y))
- {
- fCellSize.set(x, y);
- this->inval(NULL);
- }
-}
-
-void SkGridView::setSelection(int index)
-{
- if (fCurrIndex != index)
- {
- this->invalSelection();
- fCurrIndex = index;
- this->invalSelection();
- this->ensureSelectionIsVisible();
-
- // this generates the click
- {
- SkEvent evt;
- evt.setType("listview-selection");
- evt.setFast32(index);
- this->sendEventToParents(evt);
- }
- }
-}
-
-void SkGridView::moveSelectionUp()
-{
- if (fSource)
- {
- int index = fCurrIndex;
- if (index < 0) // no selection
- index = fSource->countRows() - 1;
- else
- index = SkMax32(index - 1, 0);
- this->setSelection(index);
- }
-}
-
-void SkGridView::moveSelectionDown()
-{
- if (fSource)
- {
- int index = fCurrIndex;
- if (index < 0) // no selection
- index = 0;
- else
- index = SkMin32(index + 1, fSource->countRows() - 1);
- this->setSelection(index);
- }
-}
-
-void SkGridView::invalSelection()
-{
- SkRect r;
- if (this->getCellRect(fCurrIndex, &r))
- {
- SkScalar inset = 0;
- if (fPaint[kHiliteCell_Attr].getStyle() != SkPaint::kFill_Style)
- inset += fPaint[kHiliteCell_Attr].getStrokeWidth() / 2;
- if (fPaint[kHiliteCell_Attr].isAntiAliasOn())
- inset += SK_Scalar1;
- r.inset(-inset, -inset);
- this->inval(&r);
- }
-}
-
-void SkGridView::ensureSelectionIsVisible()
-{
- if (fSource == NULL)
- return;
-#if 0
- if ((unsigned)fCurrIndex < (unsigned)fSource->countRows())
- {
- int index = this->logicalToVisualIndex(fCurrIndex);
-
- if ((unsigned)index >= (unsigned)fVisibleRowCount) // need to scroll
- {
- if (index < 0) // too high
- fScrollIndex = fCurrIndex;
- else
- fScrollIndex = fCurrIndex - fVisibleRowCount + 1;
- SkASSERT((unsigned)fScrollIndex < (unsigned)fSource->countRows());
-
- this->dirtyStrCache();
- this->inval(NULL);
- }
- }
-#endif
-}
-
-bool SkGridView::getCellRect(int index, SkRect* r) const
-{
- if (fVisibleCount.fY == 0)
- return false;
-
- index = this->logicalToVisualIndex(index);
- if (index >= 0)
- {
- SkRect bounds;
- int row = index / fVisibleCount.fY;
- int col = index % fVisibleCount.fY;
-
- bounds.set(0, 0, fCellSize.fX, fCellSize.fY);
- bounds.offset(col * (fCellSize.fX + SkIntToScalar(col > 0)),
- row * (fCellSize.fY + SkIntToScalar(row > 0)));
-
- if (bounds.fTop < this->height())
- {
- if (r)
- *r = bounds;
- return true;
- }
- }
- return false;
-}
-
-SkPaint& SkGridView::paint(Attr attr)
-{
- SkASSERT((unsigned)attr < kAttrCount);
- return fPaint[attr];
-}
-
-SkListSource* SkGridView::setListSource(SkListSource* src)
-{
- if (fSource != src)
- {
- SkRefCnt_SafeAssign(fSource, src);
- // this->dirtyStrCache();
- this->ensureSelectionIsVisible();
- this->inval(NULL);
- }
- return src;
-}
-
-#include "SkShader.h"
-
-static void copybits(SkCanvas* canvas, const SkBitmap& bm, const SkRect& dst, const SkPaint& paint)
-{
- SkRect src;
- SkMatrix matrix;
-
- src.set(0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()));
- if (matrix.setRectToRect(src, dst))
- {
- SkPaint p(paint);
- SkShader* shader = SkShader::CreateBitmapShader(bm, false, SkPaint::kNo_FilterType, SkShader::kClamp_TileMode);
- p.setShader(shader)->unref();
-
- shader->setLocalMatrix(matrix);
- canvas->drawRect(dst, p);
- }
-}
-
-#include "SkImageDecoder.h"
-
-void SkGridView::onDraw(SkCanvas* canvas)
-{
- this->INHERITED::onDraw(canvas);
-
- canvas->drawPaint(fPaint[kBG_Attr]);
-
- if (fSource == NULL)
- return;
-
-#if 0
- int visibleCount = SkMin32(fVisibleRowCount, fSource->countRows() - fScrollIndex);
- if (visibleCount == 0)
- return;
-
- this->ensureStrCache(visibleCount);
- int currIndex = this->logicalToVisualIndex(fCurrIndex);
-#endif
-
- SkPaint p;
- for (int i = 0; i < fSource->countRows(); i++)
- {
- bool forced = false;
- SkEvent* evt = fSource->getEvent(i);
- SkASSERT(evt);
- SkString path(evt->findString("path"));
- delete evt;
-
- SkBitmapRef* bmr = SkBitmapRef::Decode(path.c_str(), false);
- if (bmr == NULL)
- {
- bmr = SkBitmapRef::Decode(path.c_str(), true);
- if (bmr)
- forced = true;
- }
-
- if (bmr)
- {
- SkAutoTDelete<SkBitmapRef> autoRef(bmr);
- SkRect r;
- if (!this->getCellRect(i, &r))
- break;
- copybits(canvas, bmr->bitmap(), r, p);
- }
- // only draw one forced bitmap at a time
- if (forced)
- {
- this->inval(NULL); // could inval only the remaining visible cells...
- break;
- }
- }
-
- // draw the hilite
- {
- SkRect r;
- if (fCurrIndex >= 0 && this->getCellRect(fCurrIndex, &r))
- canvas->drawRect(r, fPaint[kHiliteCell_Attr]);
- }
-}
-
-static int check_count(int n, SkScalar s)
-{
- // only want to show cells that are mostly visible
- if (n == 0 || s - SkIntToScalar(n) > SK_Scalar1*75/100)
- n += 1;
- return n;
-}
-
-void SkGridView::onSizeChange()
-{
- fScrollBar->setHeight(this->height());
- fScrollBar->setLoc(this->locX() + this->width() - fScrollBar->width(), 0);
-
- if (fCellSize.equals(0, 0))
- {
- fVisibleCount.set(0, 0);
- return;
- }
-
- SkScalar rows = SkScalarDiv(this->height(), fCellSize.fY);
- SkScalar cols = SkScalarDiv(this->width(), fCellSize.fX);
- int y = SkScalarFloor(rows);
- int x = SkScalarFloor(cols);
-
- y = check_count(y, rows);
- x = check_count(x, cols);
-
- if (!fVisibleCount.equals(x, y))
- {
- fVisibleCount.set(x, y);
- this->ensureSelectionIsVisible();
- // this->dirtyStrCache();
- }
-}
-
-bool SkGridView::onEvent(const SkEvent& evt)
-{
- if (evt.isType(SK_EventType_Key))
- {
- switch (evt.getFast32()) {
- case kUp_SkKey:
- this->moveSelectionUp();
- return true;
- case kDown_SkKey:
- this->moveSelectionDown();
- return true;
- case kRight_SkKey:
- case kOK_SkKey:
- if (fSource && fCurrIndex >= 0)
- {
- SkEvent* evt = fSource->getEvent(fCurrIndex);
- if (evt)
- {
- // augment the event with our local rect
- (void)this->getCellRect(fCurrIndex, (SkRect*)evt->setScalars("local-rect", 4, NULL));
-
- SkView* view = this->sendEventToParents(*evt);
- delete evt;
- return view != NULL;
- }
- }
- break;
- }
- }
- return this->INHERITED::onEvent(evt);
-}
-
-void SkGridView::onInflate(const SkDOM& dom, const SkDOM::Node* node)
-{
- this->INHERITED::onInflate(dom, node);
-
- SkScalar x[2];
- const SkDOM::Node* child;
-
- if (dom.findScalars(node, "cell-size", x, 2))
- this->setCellSize(x[0], x[1]);
-
- if ((child = dom.getFirstChild(node, "hilite-paint")) != NULL)
- SkPaint_Inflate(&this->paint(kHiliteCell_Attr), dom, child);
-
- // look for a listsource
- {
- SkListSource* src = NULL;
-
- if ((child = dom.getFirstChild(node, "file-listsource")) != NULL)
- {
- const char* path = dom.findAttr(child, "path");
- if (path)
- src = SkListSource::CreateFromDir( path,
- dom.findAttr(child, "filter"),
- dom.findAttr(child, "target"));
- }
- else if ((child = dom.getFirstChild(node, "xml-listsource")) != NULL)
- {
- src = SkListSource::CreateFromDOM(dom, child);
- }
-
- if (src)
- {
- this->setListSource(src)->unref();
- this->setSelection(0);
- }
- }
- this->onSizeChange();
-}
-
-#endif
projects / platform / upstream / libSkiaSharp.git / commitdiff