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changed signature of GetFont,GetFrameFontFM b=905 r=dcone

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This commit is contained in:
rods%netscape.com 2000-01-25 15:25:04 +00:00
parent 0403a43678
commit daeb2e4655
4 changed files with 88 additions and 72 deletions
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66
layout/forms/nsFormControlHelper.cpp
View File

@ -137,19 +137,22 @@ nsFormControlHelper::GetRepChars(nsIPresContext* aPresContext, char& char1, char
}
}
void nsFormControlHelper::GetFrameFontFM(nsIPresContext* aPresContext,
nsresult nsFormControlHelper::GetFrameFontFM(nsIPresContext* aPresContext,
nsIFormControlFrame * aFrame,
nsIFontMetrics** aFontMet)
{
// Initialize with default font
nsFont font(aPresContext->GetDefaultFixedFontDeprecated());
const nsFont * font = nsnull;
// Get frame font
aFrame->GetFont(aPresContext, font);
nsCOMPtr<nsIDeviceContext> deviceContext;
aPresContext->GetDeviceContext(getter_AddRefs(deviceContext));
NS_ASSERTION(deviceContext, "Couldn't get the device context");
// Get font metrics
deviceContext->GetMetricsFor(font, *aFontMet);
if (NS_SUCCEEDED(aFrame->GetFont(aPresContext, font))) {
nsCOMPtr<nsIDeviceContext> deviceContext;
aPresContext->GetDeviceContext(getter_AddRefs(deviceContext));
NS_ASSERTION(deviceContext, "Couldn't get the device context");
if (font != nsnull) { // Get font metrics
return deviceContext->GetMetricsFor(*font, *aFontMet);
}
}
return NS_ERROR_FAILURE;
}
nsresult
@ -334,8 +337,8 @@ nsFormControlHelper::GetTextSize(nsIPresContext* aPresContext, nsIFormControlFra
nsIRenderingContext *aRendContext)
{
nsCOMPtr<nsIFontMetrics> fontMet;
GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (fontMet) {
nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (NS_SUCCEEDED(res) && fontMet) {
aRendContext->SetFont(fontMet);
// measure string
@ -456,8 +459,8 @@ nsFormControlHelper::CalculateSize (nsIPresContext* aPresContext,
col = (col <= 0) ? 1 : col; // XXX why a default of 1 char, why hide it
if (eCompatibility_NavQuirks == qMode) {
nsCOMPtr<nsIFontMetrics> fontMet;
GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (fontMet) {
nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (NS_SUCCEEDED(res) && fontMet) {
aRendContext->SetFont(fontMet);
aSpec.mColDefaultSize = col;
charWidth = CalcNavQuirkSizing(aPresContext, aRendContext, fontMet,
@ -485,8 +488,8 @@ nsFormControlHelper::CalculateSize (nsIPresContext* aPresContext,
} else { // use default width in num characters
if (eCompatibility_NavQuirks == qMode) {
nsCOMPtr<nsIFontMetrics> fontMet;
GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (fontMet) {
nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (NS_SUCCEEDED(res) && fontMet) {
aRendContext->SetFont(fontMet);
// this passes in a
charWidth = CalcNavQuirkSizing(aPresContext, aRendContext, fontMet,
@ -574,11 +577,11 @@ nsFormControlHelper::CalculateSize (nsIPresContext* aPresContext,
// this handles all of the input types rather than having them do it.
void
nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
nsIPresContext* aPresContext,
nsIStyleContext * aStyleContext,
nsFont& aFont)
nsresult
nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
nsIPresContext* aPresContext,
nsIStyleContext * aStyleContext,
const nsFont*& aFont)
{
const nsStyleFont* styleFont = (const nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font);
@ -596,8 +599,8 @@ nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
type!=NS_FORM_TEXTAREA &&
type!=NS_FORM_INPUT_PASSWORD) {
if (PR_TRUE != requiresWidget && eWidgetRendering_Gfx == m) {
aFont = styleFont->mFont;
return;
aFont = &styleFont->mFont;
return NS_OK;
}
}
@ -605,20 +608,22 @@ nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
aPresContext->GetCompatibilityMode(&mode);
if (eCompatibility_Standard == mode) {
aFont = styleFont->mFont;
return;
aFont = &styleFont->mFont;
return NS_OK;
}
switch (type) {
case NS_FORM_INPUT_TEXT:
case NS_FORM_TEXTAREA:
case NS_FORM_INPUT_PASSWORD:
aFont = styleFont->mFixedFont;
aFont = &styleFont->mFixedFont;
break;
case NS_FORM_INPUT_BUTTON:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_RESET:
case NS_FORM_SELECT:
NS_ASSERTION(0, "getting the font here has been predicated");
#if 0
if ((styleFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT) ||
(styleFont->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT)) {
aFont = styleFont->mFixedFont;
@ -640,8 +645,10 @@ nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
PRInt32 fontIndex = nsStyleUtil::FindNextSmallerFontSize(aFont.size, (PRInt32)normal.size, scaleFactor);
aFont.size = nsStyleUtil::CalcFontPointSize(fontIndex, (PRInt32)normal.size, scaleFactor);
}
#endif
break;
}
return NS_OK;
}
@ -1089,10 +1096,11 @@ nsFormControlHelper::PaintRectangularButton(nsIPresContext* aPresContext,
context->GetAppUnitsToDevUnits(devUnits);
context->GetDevUnitsToAppUnits(appUnits);
nsFont font(aPresContext->GetDefaultFixedFontDeprecated());
formFrame->GetFont(aPresContext, font);
aRenderingContext.SetFont(font);
const nsFont * font = nsnull;
nsresult res = formFrame->GetFont(aPresContext, font);
if (NS_SUCCEEDED(res) && font != nsnull) {
aRenderingContext.SetFont(*font);
}
nscoord ascent;
nscoord descent;
@ -1102,7 +1110,7 @@ nsFormControlHelper::PaintRectangularButton(nsIPresContext* aPresContext,
aRenderingContext.GetWidth(aLabel, textWidth);
nsIFontMetrics* metrics;
context->GetMetricsFor(font, metrics);
context->GetMetricsFor(*font, metrics);
metrics->GetMaxAscent(ascent);
metrics->GetMaxDescent(descent);
textHeight = ascent + descent;

14
layout/forms/nsFormControlHelper.h
View File

@ -113,15 +113,15 @@ public:
PRInt32 aNumChars, nsSize& aSize,
nsIRenderingContext *aRendContext);
static void GetFont(nsIFormControlFrame * aFormFrame,
nsIPresContext* aPresContext,
nsIStyleContext * aStyleContext,
nsFont& aFont);
static nsresult GetFont(nsIFormControlFrame * aFormFrame,
nsIPresContext* aPresContext,
nsIStyleContext * aStyleContext,
const nsFont*& aFont);
// returns the an addref'ed FontMetrics for the default font for the frame
static void GetFrameFontFM(nsIPresContext* aPresContext,
nsIFormControlFrame * aFrame,
nsIFontMetrics** aFontMet);
static nsresult GetFrameFontFM(nsIPresContext* aPresContext,
nsIFormControlFrame * aFrame,
nsIFontMetrics** aFontMet);
static nscoord CalcNavQuirkSizing(nsIPresContext* aPresContext,
nsIRenderingContext* aRendContext,

66
layout/html/forms/src/nsFormControlHelper.cpp
View File

@ -137,19 +137,22 @@ nsFormControlHelper::GetRepChars(nsIPresContext* aPresContext, char& char1, char
}
}
void nsFormControlHelper::GetFrameFontFM(nsIPresContext* aPresContext,
nsresult nsFormControlHelper::GetFrameFontFM(nsIPresContext* aPresContext,
nsIFormControlFrame * aFrame,
nsIFontMetrics** aFontMet)
{
// Initialize with default font
nsFont font(aPresContext->GetDefaultFixedFontDeprecated());
const nsFont * font = nsnull;
// Get frame font
aFrame->GetFont(aPresContext, font);
nsCOMPtr<nsIDeviceContext> deviceContext;
aPresContext->GetDeviceContext(getter_AddRefs(deviceContext));
NS_ASSERTION(deviceContext, "Couldn't get the device context");
// Get font metrics
deviceContext->GetMetricsFor(font, *aFontMet);
if (NS_SUCCEEDED(aFrame->GetFont(aPresContext, font))) {
nsCOMPtr<nsIDeviceContext> deviceContext;
aPresContext->GetDeviceContext(getter_AddRefs(deviceContext));
NS_ASSERTION(deviceContext, "Couldn't get the device context");
if (font != nsnull) { // Get font metrics
return deviceContext->GetMetricsFor(*font, *aFontMet);
}
}
return NS_ERROR_FAILURE;
}
nsresult
@ -334,8 +337,8 @@ nsFormControlHelper::GetTextSize(nsIPresContext* aPresContext, nsIFormControlFra
nsIRenderingContext *aRendContext)
{
nsCOMPtr<nsIFontMetrics> fontMet;
GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (fontMet) {
nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (NS_SUCCEEDED(res) && fontMet) {
aRendContext->SetFont(fontMet);
// measure string
@ -456,8 +459,8 @@ nsFormControlHelper::CalculateSize (nsIPresContext* aPresContext,
col = (col <= 0) ? 1 : col; // XXX why a default of 1 char, why hide it
if (eCompatibility_NavQuirks == qMode) {
nsCOMPtr<nsIFontMetrics> fontMet;
GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (fontMet) {
nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (NS_SUCCEEDED(res) && fontMet) {
aRendContext->SetFont(fontMet);
aSpec.mColDefaultSize = col;
charWidth = CalcNavQuirkSizing(aPresContext, aRendContext, fontMet,
@ -485,8 +488,8 @@ nsFormControlHelper::CalculateSize (nsIPresContext* aPresContext,
} else { // use default width in num characters
if (eCompatibility_NavQuirks == qMode) {
nsCOMPtr<nsIFontMetrics> fontMet;
GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (fontMet) {
nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
if (NS_SUCCEEDED(res) && fontMet) {
aRendContext->SetFont(fontMet);
// this passes in a
charWidth = CalcNavQuirkSizing(aPresContext, aRendContext, fontMet,
@ -574,11 +577,11 @@ nsFormControlHelper::CalculateSize (nsIPresContext* aPresContext,
// this handles all of the input types rather than having them do it.
void
nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
nsIPresContext* aPresContext,
nsIStyleContext * aStyleContext,
nsFont& aFont)
nsresult
nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
nsIPresContext* aPresContext,
nsIStyleContext * aStyleContext,
const nsFont*& aFont)
{
const nsStyleFont* styleFont = (const nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font);
@ -596,8 +599,8 @@ nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
type!=NS_FORM_TEXTAREA &&
type!=NS_FORM_INPUT_PASSWORD) {
if (PR_TRUE != requiresWidget && eWidgetRendering_Gfx == m) {
aFont = styleFont->mFont;
return;
aFont = &styleFont->mFont;
return NS_OK;
}
}
@ -605,20 +608,22 @@ nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
aPresContext->GetCompatibilityMode(&mode);
if (eCompatibility_Standard == mode) {
aFont = styleFont->mFont;
return;
aFont = &styleFont->mFont;
return NS_OK;
}
switch (type) {
case NS_FORM_INPUT_TEXT:
case NS_FORM_TEXTAREA:
case NS_FORM_INPUT_PASSWORD:
aFont = styleFont->mFixedFont;
aFont = &styleFont->mFixedFont;
break;
case NS_FORM_INPUT_BUTTON:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_RESET:
case NS_FORM_SELECT:
NS_ASSERTION(0, "getting the font here has been predicated");
#if 0
if ((styleFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT) ||
(styleFont->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT)) {
aFont = styleFont->mFixedFont;
@ -640,8 +645,10 @@ nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
PRInt32 fontIndex = nsStyleUtil::FindNextSmallerFontSize(aFont.size, (PRInt32)normal.size, scaleFactor);
aFont.size = nsStyleUtil::CalcFontPointSize(fontIndex, (PRInt32)normal.size, scaleFactor);
}
#endif
break;
}
return NS_OK;
}
@ -1089,10 +1096,11 @@ nsFormControlHelper::PaintRectangularButton(nsIPresContext* aPresContext,
context->GetAppUnitsToDevUnits(devUnits);
context->GetDevUnitsToAppUnits(appUnits);
nsFont font(aPresContext->GetDefaultFixedFontDeprecated());
formFrame->GetFont(aPresContext, font);
aRenderingContext.SetFont(font);
const nsFont * font = nsnull;
nsresult res = formFrame->GetFont(aPresContext, font);
if (NS_SUCCEEDED(res) && font != nsnull) {
aRenderingContext.SetFont(*font);
}
nscoord ascent;
nscoord descent;
@ -1102,7 +1110,7 @@ nsFormControlHelper::PaintRectangularButton(nsIPresContext* aPresContext,
aRenderingContext.GetWidth(aLabel, textWidth);
nsIFontMetrics* metrics;
context->GetMetricsFor(font, metrics);
context->GetMetricsFor(*font, metrics);
metrics->GetMaxAscent(ascent);
metrics->GetMaxDescent(descent);
textHeight = ascent + descent;

14
layout/html/forms/src/nsFormControlHelper.h
View File

@ -113,15 +113,15 @@ public:
PRInt32 aNumChars, nsSize& aSize,
nsIRenderingContext *aRendContext);
static void GetFont(nsIFormControlFrame * aFormFrame,
nsIPresContext* aPresContext,
nsIStyleContext * aStyleContext,
nsFont& aFont);
static nsresult GetFont(nsIFormControlFrame * aFormFrame,
nsIPresContext* aPresContext,
nsIStyleContext * aStyleContext,
const nsFont*& aFont);
// returns the an addref'ed FontMetrics for the default font for the frame
static void GetFrameFontFM(nsIPresContext* aPresContext,
nsIFormControlFrame * aFrame,
nsIFontMetrics** aFontMet);
static nsresult GetFrameFontFM(nsIPresContext* aPresContext,
nsIFormControlFrame * aFrame,
nsIFontMetrics** aFontMet);
static nscoord CalcNavQuirkSizing(nsIPresContext* aPresContext,
nsIRenderingContext* aRendContext,