void WebListBox::ResizeScrollBars(void)
{
if (mpHScroll)
{
WebRect r;
r.Set(GetMargin() + GetBorder(),
Height() - GetMargin() - GetBorder() - miSliderWidth - 1,
Width() - (mpVScroll ? miSliderWidth : 0) - GetMargin() - GetBorder() - 1,
Height() - GetMargin() - GetBorder() - 1);
mpHScroll->Move(&r);
WebRect vr;
GetOptionsRect(&vr);
mpHScroll->SetWindow(vr.Width());
mpHScroll->Invalidate();
}
if (mpVScroll)
{
WebRect r;
r.Set(Width() - 1 - GetMargin() - GetBorder() - miSliderWidth,
GetMargin() + GetBorder(),
Width() - 1 - GetMargin() - GetBorder(),
Height() - 1 - (mpHScroll ? miSliderWidth : 0) - GetMargin() - GetBorder());
mpVScroll->Move(&r);
WebRect vr;
GetOptionsRect(&vr);
mpVScroll->SetWindow(vr.Height());
mpVScroll->Invalidate();
}
}
void DisplayManager::UpdateViewport (void)
{
WebRect view;
WebRect padding;
WebRect vscrollRect;
WebRect hscrollRect;
GetPaddingWidth(&padding);
view.Set (mRect.left + padding.left,
mRect.top + padding.top,
mRect.right - padding.right,
mRect.bottom - padding.bottom);
if (mpVScroll)
{
vscrollRect.Set (mRect.Width() - padding.right - webc_GetDefaultDisplayInt(WEBC_DEFAULT_SLIDER_WIDTH), padding.top,
mRect.Width() - 1 - padding.right, mRect.Height() - 1 - padding.bottom);
view.right -= webc_GetDefaultDisplayInt(WEBC_DEFAULT_SLIDER_WIDTH);
if (mpHScroll)
{
hscrollRect.Set (padding.left, mRect.Height() - padding.bottom - webc_GetDefaultDisplayInt(WEBC_DEFAULT_SLIDER_WIDTH),
mRect.Width() - padding.right - webc_GetDefaultDisplayInt(WEBC_DEFAULT_SLIDER_WIDTH),
mRect.Height() - 1 - padding.bottom);
vscrollRect.bottom -= webc_GetDefaultDisplayInt(WEBC_DEFAULT_SLIDER_WIDTH) - 1;
view.bottom -= webc_GetDefaultDisplayInt(WEBC_DEFAULT_SLIDER_WIDTH);
mpHScroll->Move(&hscrollRect);
}
mpVScroll->Move(&vscrollRect);
}
else
{
if (mpHScroll)
{
hscrollRect.Set (padding.left, mRect.Height() - padding.bottom - webc_GetDefaultDisplayInt(WEBC_DEFAULT_SLIDER_WIDTH),
mRect.Width() - 1 - padding.right,
mRect.Height() - 1 - padding.bottom);
view.bottom -= webc_GetDefaultDisplayInt(WEBC_DEFAULT_SLIDER_WIDTH);
mpHScroll->Move(&hscrollRect);
}
}
view.MoveTo(mViewRect.left, mViewRect.top);
SetViewport(&view);
}
/*---------------------------------------------------------------------------*/
void HTMLBodyDisplay::Draw (DISPLAY_INT x, DISPLAY_INT y, WebRect *pViewport, WebGraphics *pGC)
{
FormatIfNecessary();
#if (WEBC_SUPPORT_FRAMES)
if (mpFrameSet)
{
mpFrameSet->Draw(x, y, pViewport, pGC);
}
else
#endif // WEBC_SUPPORT_FRAMES
{
if (!(mpHtmlElement->mFlags & HBODY_FLAG_NOBACKGROUND))
{
WebRect screenRect;
screenRect.Set(x, y, pViewport->right, pViewport->bottom);
DrawBackground(&screenRect, pViewport, pGC);
}
// Draw all children
DisplayElement *pChild = mpFirstChild;
while (pChild)
{
if (pChild->mFlags & DISPLAY_FLAG_FIXED_POS)
{
pChild->Draw(pViewport->left + pChild->mRect.left, pViewport->top + pChild->mRect.top, pViewport, pGC);
}
else
{
pChild->Draw(x + pChild->mRect.left, y + pChild->mRect.top, pViewport, pGC);
}
pChild = pChild->mpNext;
}
}
}
int HTMLString::GetDocumentDisplayRect (WebRect *rect, int n)
{
WebRect displayRect;
HTMLStringDisplay *display = mpFirstDisplay;
while (display && n > 0)
{
if (display->GetStringIndex() + display->GetStringLength() >= miLength)
{
display = 0;
break;
}
n--;
display = display->GetNextSubString();
}
if (display)
{
displayRect.Set(&display->mRect);
if (display->mpParent)
{
DISPLAY_INT x, y;
display->mpParent->GetDisplayPosition(display, &x, &y);
displayRect.MoveTo(x,y);
}
rect->Set(&displayRect);
return (0);
}
return (-1);
}
void DisplayElement::InvalidateChild (DisplayElement *pChild, WebRect *pDirty)
{
WebRect dirty;
dirty.Set(pDirty);
dirty.Shift(mRect.left, mRect.top);
if (GetOverflow() == DISPLAY_OVERFLOW_HIDDEN)
{
WebRect clipRect;
GetClipRect(&clipRect);
// If completely outside clipping rect, stop here
if (!dirty.Overlaps(&clipRect))
{
return;
}
// clip pDirty to our rect
dirty.And(&clipRect);
}
if ((mFlags & DISPLAY_FLAG_FIXED_POS) || !mpParent)
{
DisplayManager *pManager = GetManager();
if (pManager)
{
if (mFlags & DISPLAY_FLAG_FIXED_POS)
{
dirty.Shift(pManager->mViewRect.left, pManager->mViewRect.top);
}
pManager->InvalidateViewportRegion(&dirty);
}
}
else
{
mpParent->InvalidateChild(this, &dirty);
}
}
/*---------------------------------------------------------------------------*/
template<class T> IPositionedFormatContext* HTMLElementDisplay<T>::FormatSelfPositioned (
DisplayElement* displayParent,
IPositionedFormatContext* rootContext,
IPositionedFormatContext* parentContext,
FormatContextFactory* childContextFactory,
WEBC_BOOL generateChildContext
)
{
WebRect rect;
WEBC_UINT16 position = GetPosition();
IPositionedFormatContext* childContext = 0;
if (position == TU_POSITION_RELATIVE)
{
if (generateChildContext)
{
const WebRect * tmpRect = &(((DisplayElement *)(this))->mRect);
rect.Set(tmpRect);
rect.MoveTo(0,0);
CSSLength height;
GetCSSLength(&height, CSS_PROPERTY_HEIGHT);
childContext = childContextFactory->newPositioned (
&rect,
(height.type == CSS_LENGTH_UNIT_AUTO) ||
(height.type == CSS_LENGTH_UNIT_PERCENT && parentContext->parentHeightIsAuto()), // parent height is auto
TU_DIR_LTR,
0, // border-left-width
0, // border-top-width
0, // border-right-width
0, // border-bottom-width
0, // autoIndentLeft
0, // autoIndentTop
0 // autoIndentRight
);
}
}
else
{
WebRect containingBlock;
IPositionedFormatContext* containingContext;
DISPLAY_INT borderLeftValue;
DISPLAY_INT borderTopValue;
DISPLAY_INT borderRightValue;
DISPLAY_INT borderBottomValue;
if (displayParent)
{
if (displayParent != T::mpParent)
{
mHtmlElementDisplayFlags &= ~HELEM_DISPLAY_FLAG_STYLE_SET;
}
displayParent->InsertOrdered(this);
}
if (position == TU_POSITION_FIXED)
{
T::SetFixedPosition(WEBC_TRUE);
containingContext = rootContext;
}
else
{
T::SetFixedPosition(WEBC_FALSE);
containingContext = parentContext;
}
containingContext->getContainingBlock(&containingBlock);
WEBC_BOOL parentHeightIsAuto = containingContext->parentHeightIsAuto();
int textDirection = containingContext->getTextDirection();
DISPLAY_INT parentBorderLeft = containingContext->getParentBorderLeft();
DISPLAY_INT parentBorderTop = containingContext->getParentBorderTop();
DISPLAY_INT parentBorderRight = containingContext->getParentBorderRight();
DISPLAY_INT parentBorderBottom = containingContext->getParentBorderBottom();
DISPLAY_INT autoIndentLeft = parentContext->getAutoIndentLeft();
DISPLAY_INT autoIndentTop = parentContext->getAutoIndentTop();
DISPLAY_INT autoIndentRight = parentContext->getAutoIndentRight();
if (position == TU_POSITION_FIXED)
{
WebRect parentRect;
parentContext->getContainingBlock(&parentRect);
autoIndentLeft += parentRect.left;
autoIndentTop += parentRect.top;
autoIndentRight += (containingBlock.right - parentRect.right);
}
DISPLAY_INT parentWidth = containingBlock.Width() - (parentBorderLeft + parentBorderRight);
DISPLAY_INT parentHeight = containingBlock.Height() - (parentBorderTop + parentBorderBottom);
WebFont font = mpHtmlElement->GetWebFont();
DISPLAY_INT emHeight = font? WEB_FONT_HEIGHT(font) : WEBC_CFG_DEFAULT_TEXT_HEIGHT;
DISPLAY_INT exHeight = emHeight >> 1;
// First find the left edge and width
CSSLength left;
CSSLength right;
CSSLength width;
// Find value for left, right, width, marginLeft, marginRight
GetCSSLength(&left, CSS_PROPERTY_LEFT);
GetCSSLength(&right, CSS_PROPERTY_RIGHT);
GetCSSLength(&width, CSS_PROPERTY_WIDTH);
DISPLAY_INT leftValue;
DISPLAY_INT rightValue;
DISPLAY_INT widthValue;
DISPLAY_INT marginLeftValue;
DISPLAY_INT paddingLeftValue;
DISPLAY_INT paddingTopValue;
DISPLAY_INT paddingRightValue;
DISPLAY_INT paddingBottomValue;
// Find value for padding and border
paddingLeftValue = GetPixelLength(CSS_PROPERTY_PADDING_LEFT, parentWidth, emHeight, exHeight, 0);
paddingTopValue = GetPixelLength(CSS_PROPERTY_PADDING_TOP, parentWidth, emHeight, exHeight, 0);
paddingRightValue = GetPixelLength(CSS_PROPERTY_PADDING_RIGHT, parentWidth, emHeight, exHeight, 0);
paddingBottomValue = GetPixelLength(CSS_PROPERTY_PADDING_BOTTOM, parentWidth, emHeight, exHeight, 0);
borderLeftValue = GetBorderWidth(CSS_LEFT, parentWidth, emHeight, exHeight, parentBorderLeft);
borderTopValue = GetBorderWidth(CSS_TOP, parentWidth, emHeight, exHeight, parentBorderTop);
borderRightValue = GetBorderWidth(CSS_RIGHT, parentWidth, emHeight, exHeight, parentBorderRight);
borderBottomValue = GetBorderWidth(CSS_BOTTOM, parentWidth, emHeight, exHeight, parentBorderBottom);
CSSLength height;
CSSLength top;
CSSLength bottom;
DISPLAY_INT heightValue=0;
WEBC_BOOL heightIsAuto=0;
GetCSSLength(&height, CSS_PROPERTY_HEIGHT);
GetCSSLength(&top, CSS_PROPERTY_TOP);
#define NOTHING_KNOWN 0
#define HEIGHT_KNOWN 1
#define TOP_KNOWN 2
#define BOTTOM_KNOWN 4
WEBC_UINT8 verticalCase;
verticalCase = (height.type == CSS_LENGTH_UNIT_AUTO ||
(height.type == CSS_LENGTH_UNIT_PERCENT && parentHeightIsAuto))? 0 : HEIGHT_KNOWN;
verticalCase |= (top.type == CSS_LENGTH_UNIT_AUTO)? 0 : TOP_KNOWN;
if (verticalCase != (HEIGHT_KNOWN|TOP_KNOWN))
{
GetCSSLength(&bottom, CSS_PROPERTY_BOTTOM);
verticalCase |= (bottom.type == CSS_LENGTH_UNIT_AUTO || parentHeightIsAuto)? 0 : BOTTOM_KNOWN;
}
DISPLAY_INT topValue = 0;
DISPLAY_INT bottomValue = 0;
DISPLAY_INT marginTopValue = 0;
DISPLAY_INT marginBottomValue = 0;
switch (verticalCase)
{
case NOTHING_KNOWN:
// top = auto indent top
// height = content height
topValue = autoIndentTop;
heightValue = 0;
heightIsAuto = WEBC_TRUE;
marginTopValue = GetPixelLength(CSS_PROPERTY_MARGIN_TOP, parentWidth, emHeight, exHeight, 0);
break;
case HEIGHT_KNOWN:
// top = auto indent top
// height = height
topValue = autoIndentTop;
heightValue = CSS_LengthToPixels(&height, parentHeight, emHeight, exHeight);
heightIsAuto = WEBC_FALSE;
marginTopValue = GetPixelLength(CSS_PROPERTY_MARGIN_TOP, parentWidth, emHeight, exHeight, 0);
break;
case TOP_KNOWN:
// top = top
// height = content height
if (top.type == CSS_LENGTH_UNIT_PERCENT && parentHeightIsAuto)
{
topValue = autoIndentTop;
}
else
{
topValue = CSS_LengthToPixels(&top, parentHeight, emHeight, exHeight);
}
heightValue = 0;
heightIsAuto = WEBC_TRUE;
marginTopValue = GetPixelLength(CSS_PROPERTY_MARGIN_TOP, parentWidth, emHeight, exHeight, 0);
break;
case HEIGHT_KNOWN|TOP_KNOWN:
// top = top
// height = height
if (top.type == CSS_LENGTH_UNIT_PERCENT && parentHeightIsAuto)
{
topValue = autoIndentTop;
}
else
{
topValue = CSS_LengthToPixels(&top, parentHeight, emHeight, exHeight);
}
heightValue = CSS_LengthToPixels(&height, parentHeight, emHeight, exHeight);
heightIsAuto = WEBC_FALSE;
marginTopValue = GetPixelLength(CSS_PROPERTY_MARGIN_TOP, parentWidth, emHeight, exHeight, 0);
break;
case BOTTOM_KNOWN:
// bottom = bottom
// height = content height
// top = parentHeight - (height + bottom)
bottomValue = GetPixelLength(&bottom, parentHeight, emHeight, exHeight, 0);
marginBottomValue = GetPixelLength(CSS_PROPERTY_MARGIN_BOTTOM, parentWidth, emHeight, exHeight, 0);
heightValue = 0;
heightIsAuto = WEBC_TRUE;
break;
case HEIGHT_KNOWN|BOTTOM_KNOWN:
// bottom = bottom
// height = height
// top = parentHeight - (height + bottom)
bottomValue = GetPixelLength(&bottom, parentHeight, emHeight, exHeight, 0);
heightValue = CSS_LengthToPixels(&height, parentHeight, emHeight, exHeight);
heightIsAuto = WEBC_FALSE;
marginBottomValue = GetPixelLength(CSS_PROPERTY_MARGIN_BOTTOM, parentWidth, emHeight, exHeight, 0);
topValue = parentHeight -
(borderTopValue +
paddingTopValue +
heightValue +
paddingBottomValue +
borderBottomValue +
marginBottomValue +
bottomValue);
break;
case TOP_KNOWN|BOTTOM_KNOWN:
// top = top
// bottom = bottom
// height = parentHeight - (top + bottom)
if (top.type == CSS_LENGTH_UNIT_PERCENT && parentHeightIsAuto)
{
topValue = autoIndentTop;
}
else
{
topValue = CSS_LengthToPixels(&top, parentHeight, emHeight, exHeight);
}
bottomValue = GetPixelLength(&bottom, parentHeight, emHeight, exHeight, 0);
marginTopValue = GetPixelLength(CSS_PROPERTY_MARGIN_TOP, parentWidth, emHeight, exHeight, 0);
marginBottomValue = GetPixelLength(CSS_PROPERTY_MARGIN_BOTTOM, parentWidth, emHeight, exHeight, 0);
heightValue = parentHeight -
(topValue +
marginTopValue +
borderTopValue +
paddingTopValue +
paddingBottomValue +
borderBottomValue +
marginBottomValue +
bottomValue);
heightIsAuto = WEBC_FALSE;
break;
}
if (width.type != CSS_LENGTH_UNIT_AUTO)
{
widthValue = CSS_LengthToPixels(&width, parentWidth, emHeight, exHeight);
WEBC_BOOL leftAligned = (textDirection == TU_DIR_RTL)?
(right.type == CSS_LENGTH_UNIT_AUTO && left.type != CSS_LENGTH_UNIT_AUTO) :
(left.type != CSS_LENGTH_UNIT_AUTO || right.type == CSS_LENGTH_UNIT_AUTO);
if (leftAligned)
{
// ignore right and margin-right
leftValue = GetPixelLength(&left, parentWidth, emHeight, exHeight, autoIndentLeft);
marginLeftValue = GetPixelLength(CSS_PROPERTY_MARGIN_LEFT, parentWidth, emHeight, exHeight, 0);
}
else
{
DISPLAY_INT marginRightValue;
// ignore left and margin-left
rightValue = GetPixelLength(&right, parentWidth, emHeight, exHeight, autoIndentRight);
marginRightValue = GetPixelLength(CSS_PROPERTY_MARGIN_RIGHT, parentWidth, emHeight, exHeight, 0);
leftValue = parentWidth -
(rightValue +
marginRightValue +
borderRightValue +
paddingRightValue +
widthValue +
paddingLeftValue +
borderLeftValue);
marginLeftValue = 0;
}
}
else
{
// width.type == CSS_LENGTH_UNIT_AUTO
// try to get the intrinsic width of the element. This might rely on the
// calculated height of the element; for example, in the case of an image with
// specified height and auto width, the aspect ratio of the source image determines
// the resulting intrinsic width.
DISPLAY_INT marginRightValue;
WEBC_BOOL hasIntrinsicWidth = GetIntrinsicWidth(&widthValue, heightValue, heightIsAuto);
if (left.type == CSS_LENGTH_UNIT_AUTO && right.type != CSS_LENGTH_UNIT_AUTO && hasIntrinsicWidth)
{
rightValue = GetPixelLength(&right, parentWidth, emHeight, exHeight, autoIndentRight);
marginRightValue = GetPixelLength(CSS_PROPERTY_MARGIN_RIGHT, parentWidth, emHeight, exHeight, 0);
marginLeftValue = 0;
leftValue = parentWidth -
(widthValue +
borderLeftValue +
paddingLeftValue +
paddingRightValue +
borderRightValue +
marginRightValue +
rightValue);
}
else
{
leftValue = GetPixelLength(&left, parentWidth, emHeight, exHeight, autoIndentLeft);
marginLeftValue = GetPixelLength(CSS_PROPERTY_MARGIN_LEFT, parentWidth, emHeight, exHeight, 0);
if (!hasIntrinsicWidth || (right.type != CSS_LENGTH_UNIT_AUTO && left.type != CSS_LENGTH_UNIT_AUTO))
{
// right and left are both non-auto, OR element has no intrinsic width:
// calculate left, right, and margins then extrapolate width
rightValue = GetPixelLength(&right, parentWidth, emHeight, exHeight, autoIndentRight);
marginRightValue = GetPixelLength(CSS_PROPERTY_MARGIN_RIGHT, parentWidth, emHeight, exHeight, 0);
widthValue = parentWidth -
(leftValue +
marginLeftValue +
borderLeftValue +
paddingLeftValue +
paddingRightValue +
borderRightValue +
marginRightValue +
rightValue);
// we don't want to stretch the width beyond what the maximum content
// width; only give the element as much space as it actually needs.
if (right.type == CSS_LENGTH_UNIT_AUTO || left.type == CSS_LENGTH_UNIT_AUTO)
{
// to speed this up, bail out of GetMaxWidth when we exceed widthValue
DISPLAY_INT maxWidth = GetMaxWidthSmallerThan(widthValue);
// NOTE: GetMaxWidth and GetMaxWidthSmallerThan return the total width
// of the element, including borders and padding. So we must subtract
// borders and padding to make it correspond to the contentWidth
maxWidth -= (borderLeftValue + paddingLeftValue + paddingRightValue + borderRightValue);
if (maxWidth < widthValue)
{
WEBC_BOOL leftAligned = (textDirection == TU_DIR_RTL)?
(right.type == CSS_LENGTH_UNIT_AUTO && left.type != CSS_LENGTH_UNIT_AUTO) :
(left.type != CSS_LENGTH_UNIT_AUTO || right.type == CSS_LENGTH_UNIT_AUTO);
if (!leftAligned)
{
// box is right-aligned
// adjust leftValue to account for the unused space
leftValue += (widthValue - maxWidth);
}
widthValue = maxWidth;
}
}
}
}
}
// Now format the content of this element
DISPLAY_INT contentHeight = FormatContentPositioned (
widthValue,
heightValue,
heightIsAuto,
borderLeftValue,
borderTopValue,
borderRightValue,
borderBottomValue,
paddingLeftValue,
paddingTopValue,
paddingRightValue,
paddingBottomValue
);
// Find the top edge and height
// NOTE: top and bottom percentages are relative to parent's HEIGHT, whereas
// margin-top and margin-bottom are relative to parent's WIDTH, except in the root
// context (tbd - handle this special case correctly)
switch (verticalCase)
{
case NOTHING_KNOWN:
case TOP_KNOWN:
heightValue = contentHeight;
break;
case BOTTOM_KNOWN:
// height = content height
// top = parentHeight - (height + bottom)
heightValue = contentHeight;
topValue = parentHeight -
(borderTopValue +
paddingTopValue +
heightValue +
paddingBottomValue +
borderBottomValue +
marginBottomValue +
bottomValue);
break;
}
rect.Set (0, 0,
borderLeftValue + paddingLeftValue + widthValue + paddingRightValue + borderRightValue - 1,
borderTopValue + paddingTopValue + heightValue + paddingBottomValue + borderBottomValue - 1
);
rect.MoveTo (
parentBorderLeft + leftValue + marginLeftValue,
parentBorderTop + topValue + marginTopValue
);
if (position == TU_POSITION_FIXED)
{
rect.Shift(containingBlock.left, containingBlock.top);
}
Move(&rect);
if (generateChildContext)
{
childContext = childContextFactory->newPositioned (
&rect,
heightIsAuto,
TU_DIR_LTR,
borderLeftValue,
borderTopValue,
borderRightValue,
borderBottomValue,
paddingLeftValue,
paddingTopValue,
paddingRightValue
);
}
}
return (childContext);
}
void WebEditBox::DrawThisOnly (DISPLAY_INT x, DISPLAY_INT y, WebGraphics *gc)
{
WebChar c;
long line;
WebRect box;
GetFrameRect(&box);
box.Shift(x,y);
// gc->StartBuffer(); // begin buffering graphics commands
gc->Rectangle(&box, GetBgColor(gc), GetBgColor(gc), 1); // draw background
DrawFrame(&box, gc);
// save the current graphics context clip rectangle and set clipping to the
// text display region of the widget
GetTextRect(&box);
box.Shift(x,y);
WebRect clipSave;
gc->GetClip(&clipSave);
if (clipSave.Overlaps(&box))
{
WebRect clip(box);
clip.And(&clipSave);
gc->SetClip(&clip);
miXOffset = (mpHScroll)? mpHScroll->GetPosition() : 0;
miYOffset = (mpVScroll)? mpVScroll->GetPosition() : 0;
// render our text
WebFont font = mFont.GetFont();
if (mpText && font)
{
// this loop draws up to the last line
for (line=0; line<(miNumLines-1); line++)
{
c = mpText[GetLineOffset(line+1)];
mpText[GetLineOffset(line+1)] = 0;
DrawText(gc, box.left - miXOffset, box.top - miYOffset + (line * WEB_FONT_HEIGHT(font)),
mpText + GetLineOffset(line), GetTextColor(gc), 0, 0, font);
mpText[GetLineOffset(line+1)] = c;
}
// now draw the last line of text.
DrawText(gc, box.left - miXOffset, box.top - miYOffset + (line*WEB_FONT_HEIGHT(font)),
mpText + GetLineOffset(line), GetTextColor(gc), 0, 0, font);
// if we have the focus, draw the cursor
if ((mFlags & DISPLAY_FLAG_FOCUS) && !(mFlags & DISPLAY_FLAG_DISABLED))
{
// now render the selected portion in reverse video (if we have one)
if (mEditFlags & EDIT_FLAG_HAS_SELECTION)
{
long begin = EBSMIN(miCursorPos, miSelectBegin);
long end = EBSMAX(miCursorPos, miSelectBegin);
long beginLine = FindLine(begin), endLine = FindLine(end);
DISPLAY_INT textLeft;
long currentBegin, currentEnd;
for (line=beginLine; line<=endLine; line++)
{
currentBegin = EBSMAX(begin, GetLineOffset(line));
if (line == endLine)
{
currentEnd = end;
}
else
{
currentEnd = EBSMIN(end, GetLineOffset(line+1));
}
textLeft = gc->TextWidthLen(mpText + GetLineOffset(line), font, EBSMAX(0, begin - GetLineOffset(line)));
c = mpText[currentEnd];
mpText[currentEnd] = 0;
DrawText(gc, box.left - miXOffset + textLeft,
box.top - miYOffset + (line*WEB_FONT_HEIGHT(font)),
mpText + currentBegin, GetBgColor(gc), GetSelectColor(gc), 1, font);
mpText[currentEnd] = c;
}
}
DISPLAY_INT cursorX = box.left - miXOffset +
gc->TextWidthLen(mpText + GetLineOffset(miCurrentLine), font, miCursorPos - GetLineOffset(miCurrentLine)) ;
box.Set(cursorX, box.top - miYOffset + WEB_FONT_HEIGHT(font)*miCurrentLine,
cursorX, box.top - miYOffset + WEB_FONT_HEIGHT(font)*(miCurrentLine+1));
gc->Rectangle(&box, GetSelectColor(gc), GetSelectColor(gc), 1);
}
}
gc->SetClip(&clipSave); // restore the clip rectangle
} // if clip overlaps
/* if (mpVScroll && mpHScroll)
{
GetCornerRect(&box);
box.Shift(x,y);
gc->Rectangle(&box, LIGHTGRAY, LIGHTGRAY, 1);
}*/
// gc->EndBuffer(); // send all buffered commands to the display
}
void DisplayElement::Draw (DISPLAY_INT iScreenX, DISPLAY_INT iScreenY, WebRect *pViewport, WebGraphics *pGC)
{
DisplayElement *pChild = mpFirstChild;
WebRect clip, saveClip, screenClip;
WEBC_BOOL clipRestore = WEBC_FALSE;
pGC->GetClip(&saveClip);
clip.Set(&saveClip);
if (GetOverflow() != DISPLAY_OVERFLOW_VISIBLE)
//if (GetOverflow() == DISPLAY_OVERFLOW_HIDDEN)
{
GetClipRect(&screenClip);
screenClip.Shift(iScreenX - mRect.left, iScreenY - mRect.top);
if (!clip.Overlaps(&screenClip))
{
// we're not visible, so neither are our children
return;
}
clip.And(&screenClip);
pGC->SetClip(&clip);
clipRestore = WEBC_TRUE;
}
WebRect screenRect(mRect);
screenRect.MoveTo(iScreenX, iScreenY);
mScreenRect = screenRect; // April2013 - save the screenrect of last known draw and subtract boundaries of the display manager screenrect
DisplayManager*pManager= this->GetManager();
if (pManager && pManager->mBrowser)
pManager=pManager->mBrowser->GetDisplayManager();
if (pManager)
{
WebRect r;
// printf("Not working all the way \n");
r=pManager->mScreenRect;
mScreenRect.top -= r.top;
mScreenRect.bottom -= r.top;
mScreenRect.left -= r.left;
mScreenRect.right -= r.left;
} // April2013 - end save the screenrect of last known draw and subtract boundaries of the display manager screenrect
// Start drawing
// pGC->StartBuffer();
// Draw negative-z children
while (pChild && (pChild->GetZIndex() < 0))
{
if (pChild->mFlags & DISPLAY_FLAG_FIXED_POS)
{
pChild->Draw(pViewport->left + pChild->mRect.left, pViewport->top + pChild->mRect.top, pViewport, pGC);
}
else
{
pChild->Draw(iScreenX + pChild->mRect.left, iScreenY + pChild->mRect.top, pViewport, pGC);
}
pChild = pChild->mpNext;
}
// if I am visible
if (screenRect.Overlaps(&clip))
{
// Draw myself
DrawThisOnly(iScreenX, iScreenY, pGC);
}
#if (INCLUDE_EXPERIMENTAL_DIV_SCROLLBARS)
int xContentOffset=0;
int yContentOffset=0;
if (clipRestore && vScrollWidth() || hScrollWidth())
{
WebRect contentClip;
contentClip.Set(&clip);
contentClip.SetHeight(contentClip.Height()-hScrollWidth());
contentClip.SetWidth(contentClip.Width()-vScrollWidth());
pGC->SetClip(&contentClip);
if (GetHScroll())
{
WebHScroll *pScroll = (WebHScroll *)GetHScroll();
xContentOffset=pScroll->GetPosition();
}
if (GetVScroll())
{
WebVScroll *pScroll = (WebVScroll *)GetVScroll();
yContentOffset=pScroll->GetPosition();
if (yContentOffset)
{ // If we have a y offset step i nto the content holder element
// so we don't exclude the whole thing becuase it is out of our
// range.
// if (GetInlineContentHolder())
// pChild = GetInlineContentHolder()->mpFirstChild;
;
}
}
}
#endif
// Draw positive-z children
while (pChild)
{
#if (INCLUDE_EXPERIMENTAL_DIV_SCROLLBARS)
if (pChild->IncludeInFlow() && pChild->mRect.bottom >= yContentOffset && pChild->mRect.right >= xContentOffset)
{
if (pChild->mFlags & DISPLAY_FLAG_FIXED_POS)
{
pChild->Draw(pViewport->left+pChild->mRect.left-xContentOffset, pViewport->top+pChild->mRect.top-yContentOffset, pViewport, pGC);
}
else
{
pChild->Draw(iScreenX + pChild->mRect.left-xContentOffset, iScreenY+pChild->mRect.top-yContentOffset, pViewport, pGC);
}
}
#else
if (pChild->mFlags & DISPLAY_FLAG_FIXED_POS)
{
pChild->Draw(pViewport->left + pChild->mRect.left, pViewport->top + pChild->mRect.top, pViewport, pGC);
}
else
{
pChild->Draw(iScreenX + pChild->mRect.left, iScreenY + pChild->mRect.top, pViewport, pGC);
}
#endif
pChild = pChild->mpNext;
}
if (clipRestore)
{
pGC->SetClip(&saveClip);
}
#if (INCLUDE_EXPERIMENTAL_DIV_SCROLLBARS)
if (clipRestore && vScrollWidth() || hScrollWidth())
{
DisplayElement *pScroll;
if (GetHScroll())
{
pScroll = (WebHScroll *)GetHScroll();
pScroll->Draw(iScreenX + pScroll->mRect.left, iScreenY + pScroll->mRect.top, pViewport, pGC);
}
if (GetVScroll())
{
pScroll = (WebVScroll *)GetVScroll();
pScroll->Draw(iScreenX + pScroll->mRect.left, iScreenY + pScroll->mRect.top, pViewport, pGC);
}
pGC->SetClip(&saveClip);
}
#endif
// pGC->EndBuffer();
}
void WebDropBox::DrawThisOnly (DISPLAY_INT x, DISPLAY_INT y, WebGraphics *gc)
{
WEBC_BOOL focused = (mFlags & DISPLAY_FLAG_FOCUS) || (mState == DROPBOX_STATE_DROPPED);
mListbox.CalculateTextMetrics(gc);
WebRect oldClip;
gc->GetClip(&oldClip);
WebRect clip;
clip.top = y;
clip.left = x;
clip.bottom = y + Height() - 1;
clip.right = x + Width() - 1;
clip.And(&oldClip);
gc->SetClip(&clip);
WebRect rect;
rect.top = y;
rect.left = x;
rect.bottom = y + Height() - 1;
rect.right = x + Width() - 1;
// gc->StartBuffer();
WebColor hilite, lolite, blue, white, black;
HTMLColor col = HTML_RGBAToColor(0,0,0,0);
black = hilite = gc->RGBToColor(col);
col = HTML_RGBAToColor(0xff,0xff,0xff,0);
white = lolite = gc->RGBToColor(col);
col = HTML_RGBAToColor(0,0,0xff,0);
blue = gc->RGBToColor(col);
if (focused)
{
gc->Rectangle(&rect, black, black, WEBC_FALSE);
}
GetFrameRect(&rect);
rect.Shift(x,y);
DrawFrame(&rect, gc);
GetContentRect(&rect);
rect.Shift(x,y);
if (focused)
{
gc->Rectangle(&rect, GetSelectColor(gc), GetSelectColor(gc), WEBC_TRUE);
}
else
{
gc->Rectangle(&rect, GetBgColor(gc), GetBgColor(gc), WEBC_TRUE);
}
if (mpText && mFont.GetFont())
{
DISPLAY_INT offset = (rect.Height() - gc->TextHeight(mpText, mFont.GetFont())) / 2;
clip.Set(&rect);
clip.And(&oldClip);
gc->SetClip(&clip);
gc->Text(rect.left + DROPBOX_PADDING,
rect.top + DROPBOX_PADDING + offset,
mpText, (focused) ? GetBgColor(gc) : GetTextColor(gc),
0, WEBC_FALSE, mFont.GetFont());
}
// gc->EndBuffer();
gc->SetClip(&oldClip);
}