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Added painting methods for printing

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This commit is contained in:
rods@netscape.com
1998-12-15 19:03:36 +00:00
parent 1fbd9cc7ef
commit b15b76d34b
10 changed files with 1023 additions and 132 deletions
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119
layout/forms/nsTextControlFrame.cpp
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@@ -210,11 +210,27 @@ nsTextControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
}
if (NS_FORM_TEXTAREA == type) {
float p2t = aPresContext->GetPixelsToTwips();
nscoord scrollbarWidth = GetScrollbarWidth(p2t);
nscoord scrollbarWidth = 0;
nscoord scrollbarHeight = 0;
float scale;
float p2t = aPresContext->GetPixelsToTwips();
nsIDeviceContext* dx = nsnull;
dx = aPresContext->GetDeviceContext();
if (nsnull != dx) {
float sbWidth;
float sbHeight;
dx->GetCanonicalPixelScale(scale);
dx->GetScrollBarDimensions(sbWidth, sbHeight);
scrollbarWidth = PRInt32(sbWidth * scale);
scrollbarHeight = PRInt32(sbHeight * scale);
NS_RELEASE(dx);
} else {
scrollbarWidth = GetScrollbarWidth(p2t);
scrollbarHeight = scrollbarWidth;
}
if (!heightExplicit) {
size.height += scrollbarWidth;
size.height += scrollbarHeight;
}
if (!widthExplicit) {
size.width += scrollbarWidth;
@@ -484,14 +500,6 @@ nsTextControlFrame::GetFrameName(nsString& aResult) const
return MakeFrameName("TextControl", aResult);
}
void nsTextControlFrame::GetCurrentText(nsString & aText)
{
nsIDOMHTMLInputElement* inputElement;
if (NS_OK == mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&inputElement)) {
inputElement->GetValue(aText);
NS_RELEASE(inputElement);
}
}
void
nsTextControlFrame::PaintTextControl(nsIPresContext& aPresContext,
@@ -501,6 +509,7 @@ nsTextControlFrame::PaintTextControl(nsIPresContext& aPresContext,
#ifdef XP_PC
aRenderingContext.PushState();
nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect);
const nsStyleSpacing* spacing =
@@ -554,17 +563,97 @@ nsTextControlFrame::PaintTextControl(nsIPresContext& aPresContext,
nscoord textWidth;
nscoord textHeight;
nsString text;
GetCurrentText(text);
GetText(&text);
aRenderingContext.GetWidth(text, textWidth);
nsIFontMetrics* metrics;
context->GetMetricsFor(font, metrics);
metrics->GetHeight(textHeight);
nscoord x = inside.x + onePixel + onePixel;
nscoord y = ((inside.height - textHeight) / 2) + inside.y;
PRInt32 type;
GetType(&type);
if (NS_FORM_INPUT_TEXT == type || NS_FORM_INPUT_PASSWORD == type) {
nscoord x = inside.x + onePixel + onePixel;
nscoord y;
if (NS_FORM_INPUT_TEXT == type) {
y = ((inside.height - textHeight) / 2) + inside.y;
} else {
metrics->GetMaxAscent(textHeight);
y = ((inside.height - textHeight) / 2) + inside.y;
PRInt32 i;
PRInt32 len = text.Length();
text.SetLength(0);
for (i=0;i<len;i++) {
text.Append("*");
}
}
aRenderingContext.DrawString(text, x, y, 0);
} else {
float sbWidth;
float sbHeight;
context->GetCanonicalPixelScale(scale);
context->GetScrollBarDimensions(sbWidth, sbHeight);
PRInt32 scrollbarScaledWidth = PRInt32(sbWidth * scale);
PRInt32 scrollbarScaledHeight = PRInt32(sbWidth * scale);
inside.width -= scrollbarScaledWidth;
inside.height -= scrollbarScaledHeight;
PRBool clipEmpty;
aRenderingContext.PushState();
aRenderingContext.SetClipRect(inside, nsClipCombine_kReplace, clipEmpty);
nscoord x = inside.x + onePixel;
nscoord y = inside.y + onePixel;
// Draw multi-line text
PRInt32 oldPos = 0;
PRInt32 pos = text.Find('\n', 0);
while (1) {
nsString substr;
if (-1 == pos) {
text.Right(substr, text.Length()-oldPos);
aRenderingContext.DrawString(substr, x, y, 0);
break;
}
text.Left(substr, pos);
aRenderingContext.DrawString(substr, x, y, 0);
y += textHeight;
pos++;
oldPos = pos;
pos = text.Find('\n', pos);
}
aRenderingContext.PopState(clipEmpty);
// Scrollbars
const nsStyleColor* myColor = (const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
nsIAtom * sbAtom = NS_NewAtom(":SCROLLBAR-LOOK");
nsIStyleContext* scrollbarStyle = aPresContext.ResolvePseudoStyleContextFor(mContent, sbAtom, mStyleContext);
NS_RELEASE(sbAtom);
sbAtom = NS_NewAtom(":SCROLLBAR-ARROW-LOOK");
nsIStyleContext* arrowStyle = aPresContext.ResolvePseudoStyleContextFor(mContent, sbAtom, mStyleContext);
NS_RELEASE(sbAtom);
nsRect srect(mRect.width-scrollbarScaledWidth-(2*onePixel), 2*onePixel, scrollbarScaledWidth, mRect.height-(onePixel*4)-scrollbarScaledWidth);
DrawScrollbar(aRenderingContext,aPresContext, aDirtyRect, srect, PR_FALSE, onePixel,
scrollbarStyle, arrowStyle, this, mRect);
// Horizontal
srect.SetRect(2*onePixel, mRect.height-scrollbarScaledHeight-(2*onePixel), mRect.width-(onePixel*4)-scrollbarScaledHeight, scrollbarScaledHeight);
DrawScrollbar(aRenderingContext,aPresContext, aDirtyRect, srect, PR_TRUE, onePixel,
scrollbarStyle, arrowStyle, this, mRect);
// Draw the small rect "gap" in the bottom right that the two scrollbars don't cover
const nsStyleColor* sbColor = (const nsStyleColor*)scrollbarStyle->GetStyleData(eStyleStruct_Color);
srect.SetRect(mRect.width-scrollbarScaledWidth-(2*onePixel), mRect.height-scrollbarScaledHeight-(onePixel*2), scrollbarScaledWidth, scrollbarScaledHeight);
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
aDirtyRect, srect, *sbColor, 0, 0);
}
aRenderingContext.DrawString(text, x, y, 0);
NS_RELEASE(context);
PRBool status;