gecko-dev/widget/nsNativeBasicTheme.cpp
Emilio Cobos Álvarez b4bdc39333 Bug 1615026 - Ensure that non-native theme doesn't stroke outside of its rect. r=mstange
...and properly pixel-snap while at it, as otherwise my test would fail fuzzily.

Stroke() paints a stroke from the middle of the path, so it'll paint
one-half-of-the-width outside of the rect.

We need to deflate it by half the border width so that the stroke covers exactly
the area we want.

Differential Revision: https://phabricator.services.mozilla.com/D65422

--HG--
extra : moz-landing-system : lando
2020-03-05 00:25:31 +00:00

917 lines
34 KiB
C++

/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsNativeBasicTheme.h"
#include "mozilla/StaticPrefs_layout.h"
#include "mozilla/ClearOnShutdown.h"
#include "nsComboboxControlFrame.h"
#include "nsCSSRendering.h"
#include "nsDateTimeControlFrame.h"
#include "nsDeviceContext.h"
#include "PathHelpers.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::widget;
namespace mozilla {
namespace widget {
static const Color sBackgroundColor(Color(1.0f, 1.0f, 1.0f));
static const Color sBackgroundActiveColor(Color(0.88f, 0.88f, 0.9f));
static const Color sBackgroundActiveColorDisabled(Color(0.88f, 0.88f, 0.9f,
0.4f));
static const Color sBorderColor(Color(0.62f, 0.62f, 0.68f));
static const Color sBorderColorDisabled(Color(0.44f, 0.44f, 0.44f, 0.4f));
static const Color sBorderHoverColor(Color(0.5f, 0.5f, 0.56f));
static const Color sBorderHoverColorDisabled(Color(0.5f, 0.5f, 0.56f, 0.4f));
static const Color sBorderFocusColor(Color(0.04f, 0.52f, 1.0f));
static const Color sCheckBackgroundColor(Color(0.18f, 0.39f, 0.89f));
static const Color sCheckBackgroundColorDisabled(Color(0.18f, 0.39f, 0.89f,
0.4f));
static const Color sCheckBackgroundHoverColor(Color(0.02f, 0.24f, 0.58f));
static const Color sCheckBackgroundHoverColorDisabled(Color(0.02f, 0.24f, 0.58f,
0.4f));
static const Color sCheckBackgroundActiveColor(Color(0.03f, 0.19f, 0.45f));
static const Color sCheckBackgroundActiveColorDisabled(Color(0.03f, 0.19f,
0.45f, 0.4f));
static const Color sDisabledColor(Color(0.89f, 0.89f, 0.89f));
static const Color sActiveColor(Color(0.47f, 0.47f, 0.48f));
static const Color sInputHoverColor(Color(0.05f, 0.05f, 0.05f, 0.5f));
static const Color sRangeInputBackgroundColor(Color(0.89f, 0.89f, 0.89f));
static const Color sScrollbarColor(Color(0.94f, 0.94f, 0.94f));
static const Color sScrollbarBorderColor(Color(1.0f, 1.0f, 1.0f));
static const Color sScrollbarThumbColor(Color(0.8f, 0.8f, 0.8f));
static const Color sScrollbarThumbColorActive(Color(0.375f, 0.375f, 0.375f));
static const Color sScrollbarThumbColorHover(Color(0.65f, 0.65f, 0.65f));
static const Color sScrollbarArrowColor(Color(0.375f, 0.375f, 0.375f));
static const Color sScrollbarArrowColorActive(Color(1.0f, 1.0f, 1.0f));
static const Color sScrollbarArrowColorHover(Color(0.0f, 0.0f, 0.0f));
static const Color sScrollbarButtonColor(sScrollbarColor);
static const Color sScrollbarButtonActiveColor(Color(0.375f, 0.375f, 0.375f));
static const Color sScrollbarButtonHoverColor(Color(0.86f, 0.86f, 0.86f));
static const Color sButtonColor(Color(0.98f, 0.98f, 0.98f));
static const Color sButtonHoverColor(Color(0.94f, 0.94f, 0.96f));
static const Color sButtonActiveColor(Color(0.88f, 0.88f, 0.90f));
static const Color sWhiteColor(Color(1.0f, 1.0f, 1.0f, 0.0f));
} // namespace widget
} // namespace mozilla
NS_IMPL_ISUPPORTS_INHERITED(nsNativeBasicTheme, nsNativeTheme, nsITheme)
static uint32_t GetDPIRatio(nsIFrame* aFrame) {
return AppUnitsPerCSSPixel() / aFrame->PresContext()
->DeviceContext()
->AppUnitsPerDevPixelAtUnitFullZoom();
}
static bool IsDateTimeResetButton(nsIFrame* aFrame) {
nsIFrame* parent = aFrame->GetParent();
if (parent && (parent = parent->GetParent()) &&
(parent = parent->GetParent())) {
nsDateTimeControlFrame* dateTimeFrame = do_QueryFrame(parent);
if (dateTimeFrame) {
return true;
}
}
return false;
}
static bool IsDateTimeTextField(nsIFrame* aFrame) {
nsDateTimeControlFrame* dateTimeFrame = do_QueryFrame(aFrame);
return dateTimeFrame;
}
static void ComputeCheckColors(const EventStates& aState,
Color& aBackgroundColor, Color& aBorderColor) {
bool isDisabled = aState.HasState(NS_EVENT_STATE_DISABLED);
bool isPressed = !isDisabled && aState.HasAllStates(NS_EVENT_STATE_HOVER |
NS_EVENT_STATE_ACTIVE);
bool isHovered = !isDisabled && aState.HasState(NS_EVENT_STATE_HOVER);
bool isChecked = aState.HasState(NS_EVENT_STATE_CHECKED);
Color fillColor = sBackgroundColor;
Color borderColor = sBorderColor;
if (isDisabled) {
if (isChecked) {
fillColor = borderColor = sCheckBackgroundColorDisabled;
} else {
fillColor = sBackgroundColor;
borderColor = sBorderColorDisabled;
}
} else {
if (isChecked) {
if (isPressed) {
fillColor = borderColor = sCheckBackgroundActiveColor;
} else if (isHovered) {
fillColor = borderColor = sCheckBackgroundHoverColor;
} else {
fillColor = borderColor = sCheckBackgroundColor;
}
} else if (isPressed) {
fillColor = sBackgroundActiveColor;
borderColor = sBorderHoverColor;
} else if (isHovered) {
fillColor = sBackgroundColor;
borderColor = sBorderHoverColor;
} else {
fillColor = sBackgroundColor;
borderColor = sBorderColor;
}
}
aBackgroundColor = fillColor;
aBorderColor = borderColor;
}
// Checkbox and radio need to preserve aspect-ratio for compat.
static Rect FixAspectRatio(const Rect& aRect) {
Rect rect(aRect);
if (rect.width == rect.height) {
return rect;
}
if (rect.width > rect.height) {
auto diff = rect.width - rect.height;
rect.width = rect.height;
rect.x += diff / 2;
} else {
auto diff = rect.height - rect.width;
rect.height = rect.width;
rect.y += diff / 2;
}
return rect;
}
static void PaintRoundedRectWithBorder(DrawTarget* aDrawTarget,
const Rect& aRect,
const Color& aBackgroundColor,
const Color& aBorderColor,
CSSCoord aBorderWidth, CSSCoord aRadius,
uint32_t aDpi) {
const LayoutDeviceCoord borderWidth(aBorderWidth * aDpi);
const LayoutDeviceCoord radius(aRadius * aDpi);
Rect rect(aRect);
// Deflate the rect by half the border width, so that the middle of the stroke
// fills exactly the area we want to fill and not more.
rect.Deflate(borderWidth * 0.5f);
RectCornerRadii radii(radius, radius, radius, radius);
RefPtr<Path> roundedRect = MakePathForRoundedRect(*aDrawTarget, rect, radii);
aDrawTarget->Fill(roundedRect, ColorPattern(ToDeviceColor(aBackgroundColor)));
aDrawTarget->Stroke(roundedRect, ColorPattern(ToDeviceColor(aBorderColor)),
StrokeOptions(borderWidth));
}
static void PaintCheckboxControl(DrawTarget* aDrawTarget, const Rect& aRect,
const EventStates& aState, uint32_t aDpi) {
const CSSCoord kBorderWidth = 2.0f;
const CSSCoord kRadius = 4.0f;
Color backgroundColor;
Color borderColor;
ComputeCheckColors(aState, backgroundColor, borderColor);
PaintRoundedRectWithBorder(aDrawTarget, aRect, backgroundColor, borderColor,
kBorderWidth, kRadius, aDpi);
}
static void PaintCheckMark(DrawTarget* aDrawTarget, const Rect& aRect,
const EventStates& aState, uint32_t aDpi) {
// Points come from the coordinates on a 7X7 unit box centered at 0,0
const float checkPolygonX[] = {-2.5, -0.7, 2.5};
const float checkPolygonY[] = {-0.3, 1.7, -1.5};
const int32_t checkNumPoints = sizeof(checkPolygonX) / sizeof(float);
const int32_t checkSize = 8;
auto center = aRect.Center();
// Scale the checkmark based on the smallest dimension
nscoord paintScale = std::min(aRect.width, aRect.height) / checkSize;
RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
Point p = center +
Point(checkPolygonX[0] * paintScale, checkPolygonY[0] * paintScale);
builder->MoveTo(p);
for (int32_t polyIndex = 1; polyIndex < checkNumPoints; polyIndex++) {
p = center + Point(checkPolygonX[polyIndex] * paintScale,
checkPolygonY[polyIndex] * paintScale);
builder->LineTo(p);
}
RefPtr<Path> path = builder->Finish();
aDrawTarget->Stroke(path, ColorPattern(ToDeviceColor(sBackgroundColor)),
StrokeOptions(2.0f * aDpi));
}
static void PaintIndeterminateMark(DrawTarget* aDrawTarget, const Rect& aRect,
const EventStates& aState) {
bool isDisabled = aState.HasState(NS_EVENT_STATE_DISABLED);
Rect rect(aRect);
rect.y += (rect.height - rect.height / 4) / 2;
rect.height /= 4;
aDrawTarget->FillRect(
rect, ColorPattern(
ToDeviceColor(isDisabled ? sDisabledColor : sBackgroundColor)));
}
static void PaintRadioControl(DrawTarget* aDrawTarget, const Rect& aRect,
const EventStates& aState, uint32_t aDpi) {
RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
AppendEllipseToPath(builder, aRect.Center(), aRect.Size());
RefPtr<Path> ellipse = builder->Finish();
Color backgroundColor;
Color borderColor;
ComputeCheckColors(aState, backgroundColor, borderColor);
aDrawTarget->Fill(ellipse, ColorPattern(ToDeviceColor(backgroundColor)));
aDrawTarget->Stroke(ellipse, ColorPattern(ToDeviceColor(borderColor)),
StrokeOptions(2.0f * aDpi));
}
static void PaintCheckedRadioButton(DrawTarget* aDrawTarget, const Rect& aRect,
uint32_t aDpi) {
Rect rect(aRect);
rect.x += 4.5f * aDpi;
rect.width -= 9.0f * aDpi;
rect.y += 4.5f * aDpi;
rect.height -= 9.0f * aDpi;
RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
AppendEllipseToPath(builder, rect.Center(), rect.Size());
RefPtr<Path> ellipse = builder->Finish();
aDrawTarget->Fill(ellipse, ColorPattern(ToDeviceColor(sBackgroundColor)));
}
static void PaintTextField(DrawTarget* aDrawTarget, const Rect& aRect,
const EventStates& aState, uint32_t aDpi) {
bool isDisabled = aState.HasState(NS_EVENT_STATE_DISABLED);
bool isHovered = !isDisabled && aState.HasState(NS_EVENT_STATE_HOVER);
const Color& backgroundColor = isDisabled ? sDisabledColor : sBackgroundColor;
const Color& borderColor = isHovered ? sBorderHoverColor : sBorderColor;
const CSSCoord kBorderWidth = 1.0f;
const CSSCoord kRadius = 4.0f;
PaintRoundedRectWithBorder(aDrawTarget, aRect, backgroundColor, borderColor,
kBorderWidth, kRadius, aDpi);
}
static void PaintMenulist(DrawTarget* aDrawTarget, const Rect& aRect,
const EventStates& aState, uint32_t aDpi) {
bool isActive =
aState.HasAllStates(NS_EVENT_STATE_HOVER | NS_EVENT_STATE_ACTIVE);
bool isDisabled = aState.HasState(NS_EVENT_STATE_DISABLED);
bool isHovered = !isDisabled && aState.HasState(NS_EVENT_STATE_HOVER);
const Color& backgroundColor = [&] {
if (isDisabled) {
return sDisabledColor;
}
if (isActive) {
return sButtonActiveColor;
}
if (isHovered) {
return sButtonHoverColor;
}
return sButtonColor;
}();
const Color& borderColor = isHovered ? sBorderHoverColor : sBorderColor;
const CSSCoord kBorderWidth = 1.0f;
const CSSCoord kRadius = 4.0f;
PaintRoundedRectWithBorder(aDrawTarget, aRect, backgroundColor, borderColor,
kBorderWidth, kRadius, aDpi);
}
static void PaintArrow(DrawTarget* aDrawTarget, const Rect& aRect,
const int32_t aArrowPolygonX[],
const int32_t aArrowPolygonY[],
const int32_t aArrowNumPoints, const int32_t aArrowSize,
const Color aFillColor, uint32_t aDpi) {
nscoord paintScale = std::min(aRect.width, aRect.height) / aArrowSize;
RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
Point p = aRect.Center() + Point(aArrowPolygonX[0] * paintScale,
aArrowPolygonY[0] * paintScale);
builder->MoveTo(p);
for (int32_t polyIndex = 1; polyIndex < aArrowNumPoints; polyIndex++) {
p = aRect.Center() + Point(aArrowPolygonX[polyIndex] * paintScale,
aArrowPolygonY[polyIndex] * paintScale);
builder->LineTo(p);
}
RefPtr<Path> path = builder->Finish();
aDrawTarget->Stroke(path, ColorPattern(ToDeviceColor(aFillColor)),
StrokeOptions(2.0f * aDpi));
}
static void PaintMenulistButton(nsIFrame* aFrame, DrawTarget* aDrawTarget,
const Rect& aRect, const EventStates& aState,
uint32_t aDpi) {
bool isDisabled = aState.HasState(NS_EVENT_STATE_DISABLED);
bool isPressed = !isDisabled && aState.HasAllStates(NS_EVENT_STATE_HOVER |
NS_EVENT_STATE_ACTIVE);
bool isHovered = !isDisabled && aState.HasState(NS_EVENT_STATE_HOVER);
bool isHTML = nsNativeTheme::IsHTMLContent(aFrame);
if (!isHTML && nsNativeTheme::CheckBooleanAttr(aFrame, nsGkAtoms::open)) {
isHovered = false;
}
const int32_t arrowSize = 8;
int32_t arrowPolygonX[] = {-4, -2, 0};
int32_t arrowPolygonY[] = {-1, 1, -1};
const int32_t arrowNumPoints = sizeof(arrowPolygonX) / sizeof(int32_t);
PaintArrow(
aDrawTarget, aRect, arrowPolygonX, arrowPolygonY, arrowNumPoints,
arrowSize,
isPressed ? sActiveColor : isHovered ? sBorderHoverColor : sBorderColor,
aDpi);
}
static void PaintSpinnerButton(DrawTarget* aDrawTarget, const Rect& aRect,
const EventStates& aState,
StyleAppearance aAppearance, uint32_t aDpi) {
bool isDisabled = aState.HasState(NS_EVENT_STATE_DISABLED);
bool isPressed = !isDisabled && aState.HasAllStates(NS_EVENT_STATE_HOVER |
NS_EVENT_STATE_ACTIVE);
bool isHovered = !isDisabled && aState.HasState(NS_EVENT_STATE_HOVER);
const int32_t arrowSize = 8;
int32_t arrowPolygonX[] = {0, 2, 4};
int32_t arrowPolygonY[] = {-3, -1, -3};
const int32_t arrowNumPoints = sizeof(arrowPolygonX) / sizeof(int32_t);
if (aAppearance == StyleAppearance::SpinnerUpbutton) {
for (int32_t i = 0; i < arrowNumPoints; i++) {
arrowPolygonY[i] *= -1;
}
}
PaintArrow(
aDrawTarget, aRect, arrowPolygonX, arrowPolygonY, arrowNumPoints,
arrowSize,
isPressed ? sActiveColor : isHovered ? sBorderHoverColor : sBorderColor,
aDpi);
}
static void PaintRangeInputBackground(DrawTarget* aDrawTarget,
const Rect& aRect,
const EventStates& aState,
uint32_t aDpi) {
Rect rect(aRect);
rect.y += (rect.height - rect.height / 4) / 2;
rect.height /= 4;
aDrawTarget->FillRect(
rect, ColorPattern(ToDeviceColor(sRangeInputBackgroundColor)));
aDrawTarget->StrokeRect(rect,
ColorPattern(ToDeviceColor(sButtonActiveColor)));
}
static void PaintScrollbarthumbHorizontal(DrawTarget* aDrawTarget,
const Rect& aRect,
const EventStates& aState) {
Color thumbColor = sScrollbarThumbColor;
if (aState.HasAllStates(NS_EVENT_STATE_HOVER | NS_EVENT_STATE_ACTIVE)) {
thumbColor = sScrollbarThumbColorActive;
} else if (aState.HasState(NS_EVENT_STATE_HOVER)) {
thumbColor = sScrollbarThumbColorHover;
}
aDrawTarget->FillRect(aRect, ColorPattern(ToDeviceColor(thumbColor)));
}
static void PaintScrollbarthumbVertical(DrawTarget* aDrawTarget,
const Rect& aRect,
const EventStates& aState) {
Color thumbColor = sScrollbarThumbColor;
if (aState.HasAllStates(NS_EVENT_STATE_HOVER | NS_EVENT_STATE_ACTIVE)) {
thumbColor = sScrollbarThumbColorActive;
} else if (aState.HasState(NS_EVENT_STATE_HOVER)) {
thumbColor = sScrollbarThumbColorHover;
}
aDrawTarget->FillRect(aRect, ColorPattern(ToDeviceColor(thumbColor)));
}
static void PaintScrollbarHorizontal(DrawTarget* aDrawTarget,
const Rect& aRect) {
aDrawTarget->FillRect(aRect, ColorPattern(ToDeviceColor(sScrollbarColor)));
RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
builder->MoveTo(Point(aRect.x, aRect.y));
builder->LineTo(Point(aRect.x + aRect.width, aRect.y));
RefPtr<Path> path = builder->Finish();
aDrawTarget->Stroke(path, ColorPattern(ToDeviceColor(sScrollbarBorderColor)));
}
static void PaintScrollbarVerticalAndCorner(DrawTarget* aDrawTarget,
const Rect& aRect, uint32_t aDpi) {
aDrawTarget->FillRect(aRect, ColorPattern(ToDeviceColor(sScrollbarColor)));
RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
builder->MoveTo(Point(aRect.x, aRect.y));
builder->LineTo(Point(aRect.x, aRect.y + aRect.height));
RefPtr<Path> path = builder->Finish();
aDrawTarget->Stroke(path, ColorPattern(ToDeviceColor(sScrollbarBorderColor)),
StrokeOptions(1.0f * aDpi));
}
static void PaintScrollbarbutton(DrawTarget* aDrawTarget,
StyleAppearance aAppearance, const Rect& aRect,
const EventStates& aState, uint32_t aDpi) {
bool isActive =
aState.HasAllStates(NS_EVENT_STATE_HOVER | NS_EVENT_STATE_ACTIVE);
bool isHovered = aState.HasState(NS_EVENT_STATE_HOVER);
aDrawTarget->FillRect(
aRect, ColorPattern(
ToDeviceColor(isActive ? sScrollbarButtonActiveColor
: isHovered ? sScrollbarButtonHoverColor
: sScrollbarColor)));
// Start with Up arrow.
int32_t arrowPolygonX[] = {3, 0, -3};
int32_t arrowPolygonY[] = {2, -1, 2};
const int32_t arrowNumPoints = sizeof(arrowPolygonX) / sizeof(int32_t);
const int32_t arrowSize = 14;
switch (aAppearance) {
case StyleAppearance::ScrollbarbuttonUp:
break;
case StyleAppearance::ScrollbarbuttonDown:
for (int32_t i = 0; i < arrowNumPoints; i++) {
arrowPolygonY[i] *= -1;
}
break;
case StyleAppearance::ScrollbarbuttonLeft:
for (int32_t i = 0; i < arrowNumPoints; i++) {
int32_t temp = arrowPolygonX[i];
arrowPolygonX[i] = arrowPolygonY[i];
arrowPolygonY[i] = temp;
}
break;
case StyleAppearance::ScrollbarbuttonRight:
for (int32_t i = 0; i < arrowNumPoints; i++) {
int32_t temp = arrowPolygonX[i];
arrowPolygonX[i] = arrowPolygonY[i] * -1;
arrowPolygonY[i] = temp;
}
break;
default:
return;
}
PaintArrow(aDrawTarget, aRect, arrowPolygonX, arrowPolygonY, arrowNumPoints,
arrowSize,
isActive
? sScrollbarArrowColorActive
: isHovered ? sScrollbarArrowColorHover : sScrollbarArrowColor,
aDpi);
RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
builder->MoveTo(Point(aRect.x, aRect.y));
if (aAppearance == StyleAppearance::ScrollbarbuttonUp ||
aAppearance == StyleAppearance::ScrollbarbuttonDown) {
builder->LineTo(Point(aRect.x, aRect.y + aRect.height));
} else {
builder->LineTo(Point(aRect.x + aRect.width, aRect.y));
}
RefPtr<Path> path = builder->Finish();
aDrawTarget->Stroke(path, ColorPattern(ToDeviceColor(sScrollbarBorderColor)),
StrokeOptions(1.0f * aDpi));
}
static void PaintButton(nsIFrame* aFrame, DrawTarget* aDrawTarget,
const Rect& aRect, const EventStates& aState,
uint32_t aDpi) {
bool isActive =
aState.HasAllStates(NS_EVENT_STATE_HOVER | NS_EVENT_STATE_ACTIVE);
bool isDisabled = aState.HasState(NS_EVENT_STATE_DISABLED);
bool isHovered = !isDisabled && aState.HasState(NS_EVENT_STATE_HOVER);
const Color& backgroundColor = [&] {
if (isDisabled) {
return sDisabledColor;
}
if (IsDateTimeResetButton(aFrame)) {
return sWhiteColor;
}
if (isActive) {
return sButtonActiveColor;
}
if (isHovered) {
return sButtonHoverColor;
}
return sButtonColor;
}();
const Color& borderColor = isHovered ? sBorderHoverColor : sBorderColor;
const CSSCoord kBorderWidth = 1.0f;
const CSSCoord kRadius = 4.0f;
PaintRoundedRectWithBorder(aDrawTarget, aRect, backgroundColor, borderColor,
kBorderWidth, kRadius, aDpi);
}
NS_IMETHODIMP
nsNativeBasicTheme::DrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame,
StyleAppearance aAppearance,
const nsRect& aRect,
const nsRect& /* aDirtyRect */) {
DrawTarget* dt = aContext->GetDrawTarget();
const nscoord twipsPerPixel = aFrame->PresContext()->AppUnitsPerDevPixel();
EventStates eventState = GetContentState(aFrame, aAppearance);
Rect devPxRect = NSRectToRect(aRect, twipsPerPixel);
bool snapped = UserToDevicePixelSnapped(devPxRect, *dt);
Unused << snapped;
if (aAppearance == StyleAppearance::MenulistButton ||
aAppearance == StyleAppearance::MozMenulistButton) {
bool isHTML = IsHTMLContent(aFrame);
nsIFrame* parentFrame = aFrame->GetParent();
bool isMenulist = !isHTML && parentFrame->IsMenuFrame();
// HTML select and XUL menulist dropdown buttons get state from the
// parent.
if (isHTML || isMenulist) {
aFrame = parentFrame;
eventState = GetContentState(parentFrame, aAppearance);
}
}
uint32_t dpi = GetDPIRatio(aFrame);
switch (aAppearance) {
case StyleAppearance::Radio: {
auto rect = FixAspectRatio(devPxRect);
PaintRadioControl(dt, rect, eventState, dpi);
if (IsSelected(aFrame)) {
PaintCheckedRadioButton(dt, rect, dpi);
}
break;
}
case StyleAppearance::Checkbox: {
auto rect = FixAspectRatio(devPxRect);
PaintCheckboxControl(dt, rect, eventState, dpi);
if (IsChecked(aFrame)) {
PaintCheckMark(dt, rect, eventState, dpi);
}
if (GetIndeterminate(aFrame)) {
PaintIndeterminateMark(dt, rect, eventState);
}
break;
}
case StyleAppearance::Textarea:
case StyleAppearance::Textfield:
case StyleAppearance::NumberInput:
PaintTextField(dt, devPxRect, eventState, dpi);
break;
case StyleAppearance::Listbox:
case StyleAppearance::Menulist:
case StyleAppearance::MenulistTextfield:
PaintMenulist(dt, devPxRect, eventState, dpi);
break;
case StyleAppearance::MenulistButton:
case StyleAppearance::MozMenulistButton:
PaintMenulistButton(aFrame, dt, devPxRect, eventState, dpi);
break;
case StyleAppearance::SpinnerUpbutton:
case StyleAppearance::SpinnerDownbutton:
PaintSpinnerButton(dt, devPxRect, eventState, aAppearance, dpi);
break;
case StyleAppearance::Range:
PaintRangeInputBackground(dt, devPxRect, eventState, dpi);
break;
case StyleAppearance::RangeThumb:
// TODO: Paint Range Thumb
break;
case StyleAppearance::ScrollbarthumbHorizontal:
PaintScrollbarthumbHorizontal(dt, devPxRect, eventState);
break;
case StyleAppearance::ScrollbarthumbVertical:
PaintScrollbarthumbVertical(dt, devPxRect, eventState);
break;
case StyleAppearance::ScrollbarHorizontal:
PaintScrollbarHorizontal(dt, devPxRect);
break;
case StyleAppearance::ScrollbarVertical:
case StyleAppearance::Scrollcorner:
PaintScrollbarVerticalAndCorner(dt, devPxRect, dpi);
break;
case StyleAppearance::ScrollbarbuttonUp:
case StyleAppearance::ScrollbarbuttonDown:
case StyleAppearance::ScrollbarbuttonLeft:
case StyleAppearance::ScrollbarbuttonRight:
PaintScrollbarbutton(dt, aAppearance, devPxRect, eventState, dpi);
break;
case StyleAppearance::Button:
PaintButton(aFrame, dt, devPxRect, eventState, dpi);
break;
default:
MOZ_ASSERT_UNREACHABLE(
"Should not get here with a widget type we don't support.");
return NS_ERROR_NOT_IMPLEMENTED;
}
return NS_OK;
}
/*bool
nsNativeBasicTheme::CreateWebRenderCommandsForWidget(mozilla::wr::DisplayListBuilder&
aBuilder, mozilla::wr::IpcResourceUpdateQueue& aResources, const
mozilla::layers::StackingContextHelper& aSc,
mozilla::layers::RenderRootStateManager*
aManager, nsIFrame* aFrame, StyleAppearance aAppearance, const nsRect& aRect) {
}*/
LayoutDeviceIntMargin nsNativeBasicTheme::GetWidgetBorder(
nsDeviceContext* aContext, nsIFrame* aFrame, StyleAppearance aAppearance) {
return LayoutDeviceIntMargin();
}
bool nsNativeBasicTheme::GetWidgetPadding(nsDeviceContext* aContext,
nsIFrame* aFrame,
StyleAppearance aAppearance,
LayoutDeviceIntMargin* aResult) {
if (aAppearance == StyleAppearance::Menulist ||
aAppearance == StyleAppearance::MenulistTextfield ||
aAppearance == StyleAppearance::NumberInput ||
aAppearance == StyleAppearance::Textarea ||
aAppearance == StyleAppearance::Textfield) {
// If we have author-specified padding for these elements, don't do the
// fixups below.
if (aFrame->PresContext()->HasAuthorSpecifiedRules(
aFrame, NS_AUTHOR_SPECIFIED_PADDING)) {
return false;
}
}
uint32_t dpi = GetDPIRatio(aFrame);
switch (aAppearance) {
// Radios and checkboxes return a fixed size in GetMinimumWidgetSize
// and have a meaningful baseline, so they can't have
// author-specified padding.
case StyleAppearance::Radio:
case StyleAppearance::Checkbox:
case StyleAppearance::MenulistButton:
case StyleAppearance::MozMenulistButton:
aResult->SizeTo(0, 0, 0, 0);
return true;
case StyleAppearance::Textarea:
case StyleAppearance::Listbox:
case StyleAppearance::Menulist:
case StyleAppearance::MenulistTextfield:
case StyleAppearance::NumberInput:
aResult->SizeTo(7 * dpi, 8 * dpi, 7 * dpi, 8 * dpi);
return true;
case StyleAppearance::Button:
aResult->SizeTo(7 * dpi, 22 * dpi, 7 * dpi, 22 * dpi);
return true;
case StyleAppearance::Textfield:
if (IsDateTimeTextField(aFrame)) {
aResult->SizeTo(8 * dpi, 8 * dpi, 6 * dpi, 8 * dpi);
return true;
}
aResult->SizeTo(7 * dpi, 8 * dpi, 7 * dpi, 8 * dpi);
return true;
default:
break;
}
return false;
}
bool nsNativeBasicTheme::GetWidgetOverflow(nsDeviceContext* aContext,
nsIFrame* aFrame,
StyleAppearance aAppearance,
nsRect* aOverflowRect) {
nsIntMargin overflow;
switch (aAppearance) {
case StyleAppearance::Button:
case StyleAppearance::MozMacDisclosureButtonOpen:
case StyleAppearance::MozMacDisclosureButtonClosed:
case StyleAppearance::MozMacHelpButton:
case StyleAppearance::Toolbarbutton:
case StyleAppearance::NumberInput:
case StyleAppearance::Textfield:
case StyleAppearance::Textarea:
case StyleAppearance::Searchfield:
case StyleAppearance::Listbox:
case StyleAppearance::Menulist:
case StyleAppearance::MenulistButton:
case StyleAppearance::MozMenulistButton:
case StyleAppearance::MenulistTextfield:
case StyleAppearance::Checkbox:
case StyleAppearance::Radio:
case StyleAppearance::Tab:
case StyleAppearance::FocusOutline: {
overflow.SizeTo(2, 2, 2, 2);
break;
}
case StyleAppearance::ProgressBar: {
// Progress bars draw a 2 pixel white shadow under their progress
// indicators.
overflow.bottom = 2;
break;
}
case StyleAppearance::Meter: {
// Meter bars overflow their boxes by about 2 pixels.
overflow.SizeTo(2, 2, 2, 2);
break;
}
default:
break;
}
if (overflow != nsIntMargin()) {
int32_t p2a = aFrame->PresContext()->AppUnitsPerDevPixel();
aOverflowRect->Inflate(nsMargin(NSIntPixelsToAppUnits(overflow.top, p2a),
NSIntPixelsToAppUnits(overflow.right, p2a),
NSIntPixelsToAppUnits(overflow.bottom, p2a),
NSIntPixelsToAppUnits(overflow.left, p2a)));
return true;
}
return false;
}
NS_IMETHODIMP
nsNativeBasicTheme::GetMinimumWidgetSize(nsPresContext* aPresContext,
nsIFrame* aFrame,
StyleAppearance aAppearance,
LayoutDeviceIntSize* aResult,
bool* aIsOverridable) {
aResult->width = aResult->height = 17 * GetDPIRatio(aFrame);
*aIsOverridable = true;
return NS_OK;
}
nsITheme::Transparency nsNativeBasicTheme::GetWidgetTransparency(
nsIFrame* aFrame, StyleAppearance aAppearance) {
return eUnknownTransparency;
}
NS_IMETHODIMP
nsNativeBasicTheme::WidgetStateChanged(nsIFrame* aFrame,
StyleAppearance aAppearance,
nsAtom* aAttribute, bool* aShouldRepaint,
const nsAttrValue* aOldValue) {
// Some widget types just never change state.
switch (aAppearance) {
case StyleAppearance::MozWindowTitlebar:
case StyleAppearance::Toolbox:
case StyleAppearance::Toolbar:
case StyleAppearance::Statusbar:
case StyleAppearance::Statusbarpanel:
case StyleAppearance::Resizerpanel:
case StyleAppearance::Tooltip:
case StyleAppearance::Tabpanels:
case StyleAppearance::Tabpanel:
case StyleAppearance::Dialog:
case StyleAppearance::Menupopup:
case StyleAppearance::Groupbox:
case StyleAppearance::Progresschunk:
case StyleAppearance::ProgressBar:
case StyleAppearance::ProgressbarVertical:
case StyleAppearance::Meter:
case StyleAppearance::Meterchunk:
case StyleAppearance::MozMacVibrancyLight:
case StyleAppearance::MozMacVibrancyDark:
case StyleAppearance::MozMacVibrantTitlebarLight:
case StyleAppearance::MozMacVibrantTitlebarDark:
*aShouldRepaint = false;
return NS_OK;
default:
break;
}
if (!aAttribute) {
// Hover/focus/active changed. Always repaint.
*aShouldRepaint = true;
} else {
// Check the attribute to see if it's relevant.
// disabled, checked, dlgtype, default, etc.
*aShouldRepaint = false;
if ((aAttribute == nsGkAtoms::disabled) ||
(aAttribute == nsGkAtoms::checked) ||
(aAttribute == nsGkAtoms::selected) ||
(aAttribute == nsGkAtoms::visuallyselected) ||
(aAttribute == nsGkAtoms::menuactive) ||
(aAttribute == nsGkAtoms::sortDirection) ||
(aAttribute == nsGkAtoms::focused) ||
(aAttribute == nsGkAtoms::_default) ||
(aAttribute == nsGkAtoms::open) || (aAttribute == nsGkAtoms::hover)) {
*aShouldRepaint = true;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsNativeBasicTheme::ThemeChanged() { return NS_OK; }
bool nsNativeBasicTheme::WidgetAppearanceDependsOnWindowFocus(
StyleAppearance aAppearance) {
switch (aAppearance) {
case StyleAppearance::MozWindowTitlebar:
case StyleAppearance::MozWindowTitlebarMaximized:
case StyleAppearance::MozWindowFrameLeft:
case StyleAppearance::MozWindowFrameRight:
case StyleAppearance::MozWindowFrameBottom:
case StyleAppearance::MozWindowButtonClose:
case StyleAppearance::MozWindowButtonMinimize:
case StyleAppearance::MozWindowButtonMaximize:
case StyleAppearance::MozWindowButtonRestore:
return true;
default:
return false;
}
}
nsITheme::ThemeGeometryType nsNativeBasicTheme::ThemeGeometryTypeForWidget(
nsIFrame* aFrame, StyleAppearance aAppearance) {
return eThemeGeometryTypeUnknown;
}
bool nsNativeBasicTheme::ThemeSupportsWidget(nsPresContext* aPresContext,
nsIFrame* aFrame,
StyleAppearance aAppearance) {
if (IsWidgetScrollbarPart(aAppearance)) {
const auto* style = nsLayoutUtils::StyleForScrollbar(aFrame);
// We don't currently handle custom scrollbars on nsNativeBasicTheme. We
// could, potentially.
if (style->StyleUI()->HasCustomScrollbars() ||
style->StyleUIReset()->mScrollbarWidth == StyleScrollbarWidth::Thin) {
return false;
}
}
switch (aAppearance) {
case StyleAppearance::Radio:
case StyleAppearance::Checkbox:
case StyleAppearance::Textarea:
case StyleAppearance::Textfield:
case StyleAppearance::Range:
/*case StyleAppearance::RangeThumb:*/
case StyleAppearance::ScrollbarbuttonUp:
case StyleAppearance::ScrollbarbuttonDown:
case StyleAppearance::ScrollbarbuttonLeft:
case StyleAppearance::ScrollbarbuttonRight:
case StyleAppearance::ScrollbarthumbHorizontal:
case StyleAppearance::ScrollbarthumbVertical:
case StyleAppearance::ScrollbarHorizontal:
case StyleAppearance::ScrollbarVertical:
case StyleAppearance::Scrollcorner:
case StyleAppearance::Button:
case StyleAppearance::Listbox:
case StyleAppearance::Menulist:
case StyleAppearance::MenulistButton:
case StyleAppearance::MenulistTextfield:
case StyleAppearance::NumberInput:
case StyleAppearance::MozMenulistButton:
case StyleAppearance::SpinnerUpbutton:
case StyleAppearance::SpinnerDownbutton:
return !IsWidgetStyled(aPresContext, aFrame, aAppearance);
default:
return false;
}
}
bool nsNativeBasicTheme::WidgetIsContainer(StyleAppearance aAppearance) {
switch (aAppearance) {
case StyleAppearance::MozMenulistButton:
case StyleAppearance::Radio:
case StyleAppearance::Checkbox:
return false;
default:
return true;
}
}
bool nsNativeBasicTheme::ThemeDrawsFocusForWidget(StyleAppearance aAppearance) {
return true;
}
bool nsNativeBasicTheme::ThemeNeedsComboboxDropmarker() { return true; }
already_AddRefed<nsITheme> do_GetBasicNativeThemeDoNotUseDirectly() {
static StaticRefPtr<nsITheme> gInstance;
if (MOZ_UNLIKELY(!gInstance)) {
gInstance = new nsNativeBasicTheme();
ClearOnShutdown(&gInstance);
}
return do_AddRef(gInstance);
}