/*
* Copyright (C) 2008, 2010, 2011, 2012 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "ThemeMac.h"
#import "AXObjectCache.h"
#import "GraphicsContext.h"
#import "ImageBuffer.h"
#import "LocalCurrentGraphicsContext.h"
#import "NSButtonCellSPI.h"
#import "ScrollView.h"
#import "WebCoreSystemInterface.h"
#import <Carbon/Carbon.h>
#import <wtf/BlockObjCExceptions.h>
#import <wtf/NeverDestroyed.h>
#import <wtf/StdLibExtras.h>
static NSRect focusRingClipRect;
static BOOL themeWindowHasKeyAppearance;
@interface WebCoreThemeWindow : NSWindow
@end
@implementation WebCoreThemeWindow
- (BOOL)hasKeyAppearance
{
return themeWindowHasKeyAppearance;
}
- (BOOL)isKeyWindow
{
return themeWindowHasKeyAppearance;
}
@end
@interface WebCoreThemeView : NSControl
@end
@implementation WebCoreThemeView
- (NSWindow *)window
{
// Using defer:YES prevents us from wasting any window server resources for this window, since we're not actually
// going to draw into it. The other arguments match what you get when calling -[NSWindow init].
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
static WebCoreThemeWindow *window = [[WebCoreThemeWindow alloc] initWithContentRect:NSMakeRect(100, 100, 100, 100)
styleMask:NSTitledWindowMask backing:NSBackingStoreBuffered defer:YES];
#pragma clang diagnostic pop
return window;
}
- (BOOL)isFlipped
{
return YES;
}
- (NSText *)currentEditor
{
return nil;
}
- (BOOL)_automaticFocusRingDisabled
{
return YES;
}
- (NSRect)_focusRingVisibleRect
{
if (NSIsEmptyRect(focusRingClipRect))
return [self visibleRect];
return focusRingClipRect;
}
- (NSView *)_focusRingClipAncestor
{
return self;
}
- (void)addSubview:(NSView*)subview
{
// By doing nothing in this method we forbid controls from adding subviews.
// This tells AppKit to not use Layer-backed animation for control rendering.
UNUSED_PARAM(subview);
}
@end
@implementation NSFont (WebCoreTheme)
- (NSString*)webCoreFamilyName
{
if ([[self familyName] hasPrefix:@"."])
return [self fontName];
return [self familyName];
}
@end
// FIXME: Default buttons really should be more like push buttons and not like buttons.
namespace WebCore {
enum {
topMargin,
rightMargin,
bottomMargin,
leftMargin
};
Theme* platformTheme()
{
static NeverDestroyed<ThemeMac> themeMac;
return &themeMac.get();
}
// Helper functions used by a bunch of different control parts.
static NSControlSize controlSizeForFont(const FontCascade& font)
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
int fontSize = font.pixelSize();
if (fontSize >= 16)
return NSRegularControlSize;
if (fontSize >= 11)
return NSSmallControlSize;
return NSMiniControlSize;
#pragma clang diagnostic pop
}
static LengthSize sizeFromNSControlSize(NSControlSize nsControlSize, const LengthSize& zoomedSize, float zoomFactor, const std::array<IntSize, 3>& sizes)
{
IntSize controlSize = sizes[nsControlSize];
if (zoomFactor != 1.0f)
controlSize = IntSize(controlSize.width() * zoomFactor, controlSize.height() * zoomFactor);
LengthSize result = zoomedSize;
if (zoomedSize.width().isIntrinsicOrAuto() && controlSize.width() > 0)
result.setWidth(Length(controlSize.width(), Fixed));
if (zoomedSize.height().isIntrinsicOrAuto() && controlSize.height() > 0)
result.setHeight(Length(controlSize.height(), Fixed));
return result;
}
static LengthSize sizeFromFont(const FontCascade& font, const LengthSize& zoomedSize, float zoomFactor, const std::array<IntSize, 3>& sizes)
{
return sizeFromNSControlSize(controlSizeForFont(font), zoomedSize, zoomFactor, sizes);
}
static ControlSize controlSizeFromPixelSize(const std::array<IntSize, 3>& sizes, const IntSize& minZoomedSize, float zoomFactor)
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
if (minZoomedSize.width() >= static_cast<int>(sizes[NSRegularControlSize].width() * zoomFactor) &&
minZoomedSize.height() >= static_cast<int>(sizes[NSRegularControlSize].height() * zoomFactor))
return NSRegularControlSize;
if (minZoomedSize.width() >= static_cast<int>(sizes[NSSmallControlSize].width() * zoomFactor) &&
minZoomedSize.height() >= static_cast<int>(sizes[NSSmallControlSize].height() * zoomFactor))
return NSSmallControlSize;
return NSMiniControlSize;
#pragma clang diagnostic pop
}
static void setControlSize(NSCell* cell, const std::array<IntSize, 3>& sizes, const IntSize& minZoomedSize, float zoomFactor)
{
ControlSize size = controlSizeFromPixelSize(sizes, minZoomedSize, zoomFactor);
if (size != [cell controlSize]) // Only update if we have to, since AppKit does work even if the size is the same.
[cell setControlSize:(NSControlSize)size];
}
static void updateStates(NSCell* cell, const ControlStates& controlStates, bool useAnimation = false)
{
// The animated state cause this thread to start and stop repeatedly on CoreAnimation synchronize calls.
// This short burts of activity in between are not long enough for VoiceOver to retrieve accessibility attributes and makes the process appear unresponsive.
if (AXObjectCache::accessibilityEnhancedUserInterfaceEnabled())
useAnimation = false;
ControlStates::States states = controlStates.states();
// Hover state is not supported by Aqua.
// Pressed state
bool oldPressed = [cell isHighlighted];
bool pressed = states & ControlStates::PressedState;
if (pressed != oldPressed) {
[(NSButtonCell*)cell _setHighlighted:pressed animated:useAnimation];
}
// Enabled state
bool oldEnabled = [cell isEnabled];
bool enabled = states & ControlStates::EnabledState;
if (enabled != oldEnabled)
[cell setEnabled:enabled];
// Checked and Indeterminate
bool oldIndeterminate = [cell state] == NSMixedState;
bool indeterminate = (states & ControlStates::IndeterminateState);
bool checked = states & ControlStates::CheckedState;
bool oldChecked = [cell state] == NSOnState;
if (oldIndeterminate != indeterminate || checked != oldChecked) {
NSCellStateValue newState = indeterminate ? NSMixedState : (checked ? NSOnState : NSOffState);
[(NSButtonCell*)cell _setState:newState animated:useAnimation];
}
// Window inactive state does not need to be checked explicitly, since we paint parented to
// a view in a window whose key state can be detected.
}
static ThemeDrawState convertControlStatesToThemeDrawState(ThemeButtonKind kind, const ControlStates& controlStates)
{
ControlStates::States states = controlStates.states();
if (!(states & ControlStates::EnabledState))
return kThemeStateUnavailableInactive;
// Do not process PressedState if !EnabledState.
if (states & ControlStates::PressedState) {
if (kind == kThemeIncDecButton || kind == kThemeIncDecButtonSmall || kind == kThemeIncDecButtonMini)
return states & ControlStates::SpinUpState ? kThemeStatePressedUp : kThemeStatePressedDown;
return kThemeStatePressed;
}
return kThemeStateActive;
}
static FloatRect inflateRect(const FloatRect& zoomedRect, const IntSize& zoomedSize, const int* margins, float zoomFactor)
{
// Only do the inflation if the available width/height are too small. Otherwise try to
// fit the glow/check space into the available box's width/height.
int widthDelta = zoomedRect.width() - (zoomedSize.width() + margins[leftMargin] * zoomFactor + margins[rightMargin] * zoomFactor);
int heightDelta = zoomedRect.height() - (zoomedSize.height() + margins[topMargin] * zoomFactor + margins[bottomMargin] * zoomFactor);
FloatRect result(zoomedRect);
if (widthDelta < 0) {
result.setX(result.x() - margins[leftMargin] * zoomFactor);
result.setWidth(result.width() - widthDelta);
}
if (heightDelta < 0) {
result.setY(result.y() - margins[topMargin] * zoomFactor);
result.setHeight(result.height() - heightDelta);
}
return result;
}
// Checkboxes and radio buttons
static const std::array<IntSize, 3>& checkboxSizes()
{
static const std::array<IntSize, 3> sizes = { { IntSize(14, 14), IntSize(12, 12), IntSize(10, 10) } };
return sizes;
}
static const int* checkboxMargins(NSControlSize controlSize)
{
static const int margins[3][4] =
{
// top right bottom left
{ 2, 2, 2, 2 },
{ 2, 1, 2, 1 },
{ 0, 0, 1, 0 },
};
return margins[controlSize];
}
static LengthSize checkboxSize(const FontCascade& font, const LengthSize& zoomedSize, float zoomFactor)
{
// If the width and height are both specified, then we have nothing to do.
if (!zoomedSize.width().isIntrinsicOrAuto() && !zoomedSize.height().isIntrinsicOrAuto())
return zoomedSize;
// Use the font size to determine the intrinsic width of the control.
return sizeFromFont(font, zoomedSize, zoomFactor, checkboxSizes());
}
// Radio Buttons
static const std::array<IntSize, 3>& radioSizes()
{
static const std::array<IntSize, 3> sizes = { { IntSize(16, 16), IntSize(12, 12), IntSize(10, 10) } };
return sizes;
}
static const int* radioMargins(NSControlSize controlSize)
{
static const int margins[3][4] =
{
// top right bottom left
{ 1, 0, 1, 2 },
{ 1, 1, 2, 1 },
{ 0, 0, 1, 1 },
};
return margins[controlSize];
}
static LengthSize radioSize(const FontCascade& font, const LengthSize& zoomedSize, float zoomFactor)
{
// If the width and height are both specified, then we have nothing to do.
if (!zoomedSize.width().isIntrinsicOrAuto() && !zoomedSize.height().isIntrinsicOrAuto())
return zoomedSize;
// Use the font size to determine the intrinsic width of the control.
return sizeFromFont(font, zoomedSize, zoomFactor, radioSizes());
}
static void configureToggleButton(NSCell* cell, ControlPart buttonType, const ControlStates& states, const IntSize& zoomedSize, float zoomFactor, bool isStateChange)
{
// Set the control size based off the rectangle we're painting into.
setControlSize(cell, buttonType == CheckboxPart ? checkboxSizes() : radioSizes(), zoomedSize, zoomFactor);
// Update the various states we respond to.
updateStates(cell, states, isStateChange);
}
static RetainPtr<NSButtonCell> createToggleButtonCell(ControlPart buttonType)
{
RetainPtr<NSButtonCell> toggleButtonCell = adoptNS([[NSButtonCell alloc] init]);
if (buttonType == CheckboxPart) {
[toggleButtonCell setButtonType:NSSwitchButton];
[toggleButtonCell setAllowsMixedState:YES];
} else {
ASSERT(buttonType == RadioPart);
[toggleButtonCell setButtonType:NSRadioButton];
}
[toggleButtonCell setTitle:nil];
[toggleButtonCell setFocusRingType:NSFocusRingTypeExterior];
return toggleButtonCell;
}
static NSButtonCell *sharedRadioCell(const ControlStates& states, const IntSize& zoomedSize, float zoomFactor)
{
static NSButtonCell *radioCell = createToggleButtonCell(RadioPart).leakRef();
configureToggleButton(radioCell, RadioPart, states, zoomedSize, zoomFactor, false);
return radioCell;
}
static NSButtonCell *sharedCheckboxCell(const ControlStates& states, const IntSize& zoomedSize, float zoomFactor)
{
static NSButtonCell *checkboxCell = createToggleButtonCell(CheckboxPart).leakRef();
configureToggleButton(checkboxCell, CheckboxPart, states, zoomedSize, zoomFactor, false);
return checkboxCell;
}
static bool drawCellFocusRing(NSCell *cell, NSRect cellFrame, NSView *controlView)
{
wkDrawCellFocusRingWithFrameAtTime(cell, cellFrame, controlView, std::numeric_limits<double>::max());
return false;
}
static void paintToggleButton(ControlPart buttonType, ControlStates& controlStates, GraphicsContext& context, const FloatRect& zoomedRect, float zoomFactor, ScrollView* scrollView, float deviceScaleFactor, float pageScaleFactor)
{
BEGIN_BLOCK_OBJC_EXCEPTIONS
RetainPtr<NSButtonCell> toggleButtonCell = static_cast<NSButtonCell *>(controlStates.platformControl());
IntSize zoomedRectSize = IntSize(zoomedRect.size());
if (controlStates.isDirty()) {
if (!toggleButtonCell)
toggleButtonCell = createToggleButtonCell(buttonType);
configureToggleButton(toggleButtonCell.get(), buttonType, controlStates, zoomedRectSize, zoomFactor, true);
} else {
if (!toggleButtonCell) {
if (buttonType == CheckboxPart)
toggleButtonCell = sharedCheckboxCell(controlStates, zoomedRectSize, zoomFactor);
else {
ASSERT(buttonType == RadioPart);
toggleButtonCell = sharedRadioCell(controlStates, zoomedRectSize, zoomFactor);
}
}
configureToggleButton(toggleButtonCell.get(), buttonType, controlStates, zoomedRectSize, zoomFactor, false);
}
controlStates.setDirty(false);
GraphicsContextStateSaver stateSaver(context);
NSControlSize controlSize = [toggleButtonCell controlSize];
IntSize zoomedSize = buttonType == CheckboxPart ? checkboxSizes()[controlSize] : radioSizes()[controlSize];
zoomedSize.setWidth(zoomedSize.width() * zoomFactor);
zoomedSize.setHeight(zoomedSize.height() * zoomFactor);
const int* controlMargins = buttonType == CheckboxPart ? checkboxMargins(controlSize) : radioMargins(controlSize);
FloatRect inflatedRect = inflateRect(zoomedRect, zoomedSize, controlMargins, zoomFactor);
if (zoomFactor != 1.0f) {
inflatedRect.setWidth(inflatedRect.width() / zoomFactor);
inflatedRect.setHeight(inflatedRect.height() / zoomFactor);
context.translate(inflatedRect.x(), inflatedRect.y());
context.scale(FloatSize(zoomFactor, zoomFactor));
context.translate(-inflatedRect.x(), -inflatedRect.y());
}
LocalCurrentGraphicsContext localContext(context);
NSView *view = ThemeMac::ensuredView(scrollView, controlStates, true /* useUnparentedView */);
bool needsRepaint = false;
bool useImageBuffer = pageScaleFactor != 1.0f || zoomFactor != 1.0f;
bool isCellFocused = controlStates.states() & ControlStates::FocusState;
if ([toggleButtonCell _stateAnimationRunning]) {
context.translate(inflatedRect.x(), inflatedRect.y());
context.scale(FloatSize(1, -1));
context.translate(0, -inflatedRect.height());
[toggleButtonCell _renderCurrentAnimationFrameInContext:context.platformContext() atLocation:NSMakePoint(0, 0)];
if (![toggleButtonCell _stateAnimationRunning] && isCellFocused)
needsRepaint = ThemeMac::drawCellOrFocusRingWithViewIntoContext(toggleButtonCell.get(), context, inflatedRect, view, false, true, useImageBuffer, deviceScaleFactor);
} else
needsRepaint = ThemeMac::drawCellOrFocusRingWithViewIntoContext(toggleButtonCell.get(), context, inflatedRect, view, true, isCellFocused, useImageBuffer, deviceScaleFactor);
[toggleButtonCell setControlView:nil];
needsRepaint |= [toggleButtonCell _stateAnimationRunning];
controlStates.setNeedsRepaint(needsRepaint);
if (needsRepaint)
controlStates.setPlatformControl(toggleButtonCell.get());
END_BLOCK_OBJC_EXCEPTIONS
}
// Buttons
// Buttons really only constrain height. They respect width.
static const std::array<IntSize, 3>& buttonSizes()
{
static const std::array<IntSize, 3> sizes = { { IntSize(0, 21), IntSize(0, 18), IntSize(0, 15) } };
return sizes;
}
static const int* buttonMargins(NSControlSize controlSize)
{
static const int margins[3][4] =
{
{ 4, 6, 7, 6 },
{ 4, 5, 6, 5 },
{ 0, 1, 1, 1 },
};
return margins[controlSize];
}
enum ButtonCellType { NormalButtonCell, DefaultButtonCell };
static NSButtonCell *leakButtonCell(ButtonCellType type)
{
NSButtonCell *cell = [[NSButtonCell alloc] init];
[cell setTitle:nil];
[cell setButtonType:NSMomentaryPushInButton];
if (type == DefaultButtonCell)
[cell setKeyEquivalent:@"\r"];
return cell;
}
static void setUpButtonCell(NSButtonCell *cell, ControlPart part, const ControlStates& states, const IntSize& zoomedSize, float zoomFactor)
{
// Set the control size based off the rectangle we're painting into.
const std::array<IntSize, 3>& sizes = buttonSizes();
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
if (part == SquareButtonPart || zoomedSize.height() > buttonSizes()[NSRegularControlSize].height() * zoomFactor) {
#pragma clang diagnostic pop
// Use the square button
if ([cell bezelStyle] != NSShadowlessSquareBezelStyle)
[cell setBezelStyle:NSShadowlessSquareBezelStyle];
} else if ([cell bezelStyle] != NSRoundedBezelStyle)
[cell setBezelStyle:NSRoundedBezelStyle];
setControlSize(cell, sizes, zoomedSize, zoomFactor);
// Update the various states we respond to.
updateStates(cell, states);
}
static NSButtonCell *button(ControlPart part, const ControlStates& controlStates, const IntSize& zoomedSize, float zoomFactor)
{
ControlStates::States states = controlStates.states();
NSButtonCell *cell;
if (states & ControlStates::DefaultState) {
static NSButtonCell *defaultCell = leakButtonCell(DefaultButtonCell);
cell = defaultCell;
} else {
static NSButtonCell *normalCell = leakButtonCell(NormalButtonCell);
cell = normalCell;
}
setUpButtonCell(cell, part, controlStates, zoomedSize, zoomFactor);
return cell;
}
static void paintButton(ControlPart part, ControlStates& controlStates, GraphicsContext& context, const FloatRect& zoomedRect, float zoomFactor, ScrollView* scrollView, float deviceScaleFactor, float pageScaleFactor)
{
BEGIN_BLOCK_OBJC_EXCEPTIONS
// Determine the width and height needed for the control and prepare the cell for painting.
ControlStates::States states = controlStates.states();
NSButtonCell *buttonCell = button(part, controlStates, IntSize(zoomedRect.size()), zoomFactor);
GraphicsContextStateSaver stateSaver(context);
NSControlSize controlSize = [buttonCell controlSize];
IntSize zoomedSize = buttonSizes()[controlSize];
zoomedSize.setWidth(zoomedRect.width()); // Buttons don't ever constrain width, so the zoomed width can just be honored.
zoomedSize.setHeight(zoomedSize.height() * zoomFactor);
FloatRect inflatedRect = zoomedRect;
if ([buttonCell bezelStyle] == NSRoundedBezelStyle) {
// Center the button within the available space.
if (inflatedRect.height() > zoomedSize.height()) {
inflatedRect.setY(inflatedRect.y() + (inflatedRect.height() - zoomedSize.height()) / 2);
inflatedRect.setHeight(zoomedSize.height());
}
// Now inflate it to account for the shadow.
inflatedRect = inflateRect(inflatedRect, zoomedSize, buttonMargins(controlSize), zoomFactor);
if (zoomFactor != 1.0f) {
inflatedRect.setWidth(inflatedRect.width() / zoomFactor);
inflatedRect.setHeight(inflatedRect.height() / zoomFactor);
context.translate(inflatedRect.x(), inflatedRect.y());
context.scale(FloatSize(zoomFactor, zoomFactor));
context.translate(-inflatedRect.x(), -inflatedRect.y());
}
}
LocalCurrentGraphicsContext localContext(context);
NSView *view = ThemeMac::ensuredView(scrollView, controlStates);
NSWindow *window = [view window];
NSButtonCell *previousDefaultButtonCell = [window defaultButtonCell];
bool useImageBuffer = pageScaleFactor != 1.0f || zoomFactor != 1.0f;
bool needsRepaint = ThemeMac::drawCellOrFocusRingWithViewIntoContext(buttonCell, context, inflatedRect, view, true, states & ControlStates::FocusState, useImageBuffer, deviceScaleFactor);
if (states & ControlStates::DefaultState)
[window setDefaultButtonCell:buttonCell];
else if ([previousDefaultButtonCell isEqual:buttonCell])
[window setDefaultButtonCell:nil];
controlStates.setNeedsRepaint(needsRepaint);
[buttonCell setControlView:nil];
if (![previousDefaultButtonCell isEqual:buttonCell])
[window setDefaultButtonCell:previousDefaultButtonCell];
END_BLOCK_OBJC_EXCEPTIONS
}
// Stepper
static const std::array<IntSize, 3>& stepperSizes()
{
static const std::array<IntSize, 3> sizes = { { IntSize(19, 27), IntSize(15, 22), IntSize(13, 15) } };
return sizes;
}
// We don't use controlSizeForFont() for steppers because the stepper height
// should be equal to or less than the corresponding text field height,
static NSControlSize stepperControlSizeForFont(const FontCascade& font)
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
int fontSize = font.pixelSize();
if (fontSize >= 18)
return NSRegularControlSize;
if (fontSize >= 13)
return NSSmallControlSize;
return NSMiniControlSize;
#pragma clang diagnostic pop
}
static void paintStepper(ControlStates& states, GraphicsContext& context, const FloatRect& zoomedRect, float zoomFactor, ScrollView*)
{
// We don't use NSStepperCell because there are no ways to draw an
// NSStepperCell with the up button highlighted.
HIThemeButtonDrawInfo drawInfo;
drawInfo.version = 0;
drawInfo.state = convertControlStatesToThemeDrawState(kThemeIncDecButton, states);
drawInfo.adornment = kThemeAdornmentDefault;
ControlSize controlSize = controlSizeFromPixelSize(stepperSizes(), IntSize(zoomedRect.size()), zoomFactor);
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
if (controlSize == NSSmallControlSize)
drawInfo.kind = kThemeIncDecButtonSmall;
else if (controlSize == NSMiniControlSize)
drawInfo.kind = kThemeIncDecButtonMini;
else
drawInfo.kind = kThemeIncDecButton;
#pragma clang diagnostic pop
IntRect rect(zoomedRect);
GraphicsContextStateSaver stateSaver(context);
if (zoomFactor != 1.0f) {
rect.setWidth(rect.width() / zoomFactor);
rect.setHeight(rect.height() / zoomFactor);
context.translate(rect.x(), rect.y());
context.scale(FloatSize(zoomFactor, zoomFactor));
context.translate(-rect.x(), -rect.y());
}
CGRect bounds(rect);
CGRect backgroundBounds;
HIThemeGetButtonBackgroundBounds(&bounds, &drawInfo, &backgroundBounds);
// Center the stepper rectangle in the specified area.
backgroundBounds.origin.x = bounds.origin.x + (bounds.size.width - backgroundBounds.size.width) / 2;
if (backgroundBounds.size.height < bounds.size.height) {
int heightDiff = clampToInteger(bounds.size.height - backgroundBounds.size.height);
backgroundBounds.origin.y = bounds.origin.y + (heightDiff / 2) + 1;
}
LocalCurrentGraphicsContext localContext(context);
HIThemeDrawButton(&backgroundBounds, &drawInfo, localContext.cgContext(), kHIThemeOrientationNormal, 0);
}
// This will ensure that we always return a valid NSView, even if ScrollView doesn't have an associated document NSView.
// If the ScrollView doesn't have an NSView, we will return a fake NSView set up in the way AppKit expects.
NSView *ThemeMac::ensuredView(ScrollView* scrollView, const ControlStates& controlStates, bool useUnparentedView)
{
if (!useUnparentedView) {
if (NSView *documentView = scrollView->documentView())
return documentView;
}
// Use a fake view.
static WebCoreThemeView *themeView = [[WebCoreThemeView alloc] init];
[themeView setFrameSize:NSSizeFromCGSize(scrollView->totalContentsSize())];
themeWindowHasKeyAppearance = !(controlStates.states() & ControlStates::WindowInactiveState);
return themeView;
}
void ThemeMac::setFocusRingClipRect(const FloatRect& rect)
{
focusRingClipRect = rect;
}
const float buttonFocusRectOutlineWidth = 3.0f;
static inline bool drawCellOrFocusRingIntoRectWithView(NSCell *cell, NSRect rect, NSView *view, bool drawButtonCell, bool drawFocusRing)
{
if (drawButtonCell) {
if ([cell isKindOfClass:[NSSliderCell class]]) {
// For slider cells, draw only the knob.
[(NSSliderCell *)cell drawKnob:rect];
} else
[cell drawWithFrame:rect inView:view];
}
if (drawFocusRing)
return drawCellFocusRing(cell, rect, view);
return false;
}
bool ThemeMac::drawCellOrFocusRingWithViewIntoContext(NSCell *cell, GraphicsContext& context, const FloatRect& rect, NSView *view, bool drawButtonCell, bool drawFocusRing, bool useImageBuffer, float deviceScaleFactor)
{
ASSERT(drawButtonCell || drawFocusRing);
bool needsRepaint = false;
if (useImageBuffer) {
NSRect imageBufferDrawRect = NSRect(FloatRect(buttonFocusRectOutlineWidth, buttonFocusRectOutlineWidth, rect.width(), rect.height()));
auto imageBuffer = ImageBuffer::createCompatibleBuffer(rect.size() + 2 * FloatSize(buttonFocusRectOutlineWidth, buttonFocusRectOutlineWidth), deviceScaleFactor, ColorSpaceSRGB, context);
if (!imageBuffer)
return needsRepaint;
{
LocalCurrentGraphicsContext localContext(imageBuffer->context());
needsRepaint = drawCellOrFocusRingIntoRectWithView(cell, imageBufferDrawRect, view, drawButtonCell, drawFocusRing);
}
context.drawConsumingImageBuffer(WTFMove(imageBuffer), rect.location() - FloatSize(buttonFocusRectOutlineWidth, buttonFocusRectOutlineWidth));
return needsRepaint;
}
if (drawButtonCell)
needsRepaint = drawCellOrFocusRingIntoRectWithView(cell, NSRect(rect), view, drawButtonCell, drawFocusRing);
return needsRepaint;
}
// Theme overrides
int ThemeMac::baselinePositionAdjustment(ControlPart part) const
{
if (part == CheckboxPart || part == RadioPart)
return -2;
return Theme::baselinePositionAdjustment(part);
}
Optional<FontCascadeDescription> ThemeMac::controlFont(ControlPart part, const FontCascade& font, float zoomFactor) const
{
switch (part) {
case PushButtonPart: {
FontCascadeDescription fontDescription;
fontDescription.setIsAbsoluteSize(true);
NSFont* nsFont = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:controlSizeForFont(font)]];
fontDescription.setOneFamily(AtomicString("-apple-system", AtomicString::ConstructFromLiteral));
fontDescription.setComputedSize([nsFont pointSize] * zoomFactor);
fontDescription.setSpecifiedSize([nsFont pointSize] * zoomFactor);
return fontDescription;
}
default:
return Theme::controlFont(part, font, zoomFactor);
}
}
LengthSize ThemeMac::controlSize(ControlPart part, const FontCascade& font, const LengthSize& zoomedSize, float zoomFactor) const
{
switch (part) {
case CheckboxPart:
return checkboxSize(font, zoomedSize, zoomFactor);
case RadioPart:
return radioSize(font, zoomedSize, zoomFactor);
case PushButtonPart:
// Height is reset to auto so that specified heights can be ignored.
return sizeFromFont(font, LengthSize(zoomedSize.width(), Length()), zoomFactor, buttonSizes());
case InnerSpinButtonPart:
if (!zoomedSize.width().isIntrinsicOrAuto() && !zoomedSize.height().isIntrinsicOrAuto())
return zoomedSize;
return sizeFromNSControlSize(stepperControlSizeForFont(font), zoomedSize, zoomFactor, stepperSizes());
default:
return zoomedSize;
}
}
LengthSize ThemeMac::minimumControlSize(ControlPart part, const FontCascade& font, float zoomFactor) const
{
switch (part) {
case SquareButtonPart:
case DefaultButtonPart:
case ButtonPart:
return LengthSize(Length(0, Fixed), Length(static_cast<int>(15 * zoomFactor), Fixed));
case InnerSpinButtonPart:{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
IntSize base = stepperSizes()[NSMiniControlSize];
return LengthSize(Length(static_cast<int>(base.width() * zoomFactor), Fixed),
Length(static_cast<int>(base.height() * zoomFactor), Fixed));
#pragma clang diagnostic pop
}
default:
return Theme::minimumControlSize(part, font, zoomFactor);
}
}
LengthBox ThemeMac::controlBorder(ControlPart part, const FontCascade& font, const LengthBox& zoomedBox, float zoomFactor) const
{
switch (part) {
case SquareButtonPart:
case DefaultButtonPart:
case ButtonPart:
return LengthBox(0, zoomedBox.right().value(), 0, zoomedBox.left().value());
default:
return Theme::controlBorder(part, font, zoomedBox, zoomFactor);
}
}
LengthBox ThemeMac::controlPadding(ControlPart part, const FontCascade& font, const LengthBox& zoomedBox, float zoomFactor) const
{
switch (part) {
case PushButtonPart: {
// Just use 8px. AppKit wants to use 11px for mini buttons, but that padding is just too large
// for real-world Web sites (creating a huge necessary minimum width for buttons whose space is
// by definition constrained, since we select mini only for small cramped environments.
// This also guarantees the HTML <button> will match our rendering by default, since we're using a consistent
// padding.
const int padding = 8 * zoomFactor;
return LengthBox(2, padding, 3, padding);
}
default:
return Theme::controlPadding(part, font, zoomedBox, zoomFactor);
}
}
void ThemeMac::inflateControlPaintRect(ControlPart part, const ControlStates& states, FloatRect& zoomedRect, float zoomFactor) const
{
BEGIN_BLOCK_OBJC_EXCEPTIONS
IntSize zoomRectSize = IntSize(zoomedRect.size());
switch (part) {
case CheckboxPart: {
// We inflate the rect as needed to account for padding included in the cell to accommodate the checkbox
// shadow" and the check. We don't consider this part of the bounds of the control in WebKit.
NSCell *cell = sharedCheckboxCell(states, zoomRectSize, zoomFactor);
NSControlSize controlSize = [cell controlSize];
IntSize zoomedSize = checkboxSizes()[controlSize];
zoomedSize.setHeight(zoomedSize.height() * zoomFactor);
zoomedSize.setWidth(zoomedSize.width() * zoomFactor);
zoomedRect = inflateRect(zoomedRect, zoomedSize, checkboxMargins(controlSize), zoomFactor);
break;
}
case RadioPart: {
// We inflate the rect as needed to account for padding included in the cell to accommodate the radio button
// shadow". We don't consider this part of the bounds of the control in WebKit.
NSCell *cell = sharedRadioCell(states, zoomRectSize, zoomFactor);
NSControlSize controlSize = [cell controlSize];
IntSize zoomedSize = radioSizes()[controlSize];
zoomedSize.setHeight(zoomedSize.height() * zoomFactor);
zoomedSize.setWidth(zoomedSize.width() * zoomFactor);
zoomedRect = inflateRect(zoomedRect, zoomedSize, radioMargins(controlSize), zoomFactor);
break;
}
case PushButtonPart:
case DefaultButtonPart:
case ButtonPart: {
NSButtonCell *cell = button(part, states, zoomRectSize, zoomFactor);
NSControlSize controlSize = [cell controlSize];
// We inflate the rect as needed to account for the Aqua button's shadow.
if ([cell bezelStyle] == NSRoundedBezelStyle) {
IntSize zoomedSize = buttonSizes()[controlSize];
zoomedSize.setHeight(zoomedSize.height() * zoomFactor);
zoomedSize.setWidth(zoomedRect.width()); // Buttons don't ever constrain width, so the zoomed width can just be honored.
zoomedRect = inflateRect(zoomedRect, zoomedSize, buttonMargins(controlSize), zoomFactor);
}
break;
}
case InnerSpinButtonPart: {
static const int stepperMargin[4] = { 0, 0, 0, 0 };
ControlSize controlSize = controlSizeFromPixelSize(stepperSizes(), zoomRectSize, zoomFactor);
IntSize zoomedSize = stepperSizes()[controlSize];
zoomedSize.setHeight(zoomedSize.height() * zoomFactor);
zoomedSize.setWidth(zoomedSize.width() * zoomFactor);
zoomedRect = inflateRect(zoomedRect, zoomedSize, stepperMargin, zoomFactor);
break;
}
default:
break;
}
END_BLOCK_OBJC_EXCEPTIONS
}
void ThemeMac::paint(ControlPart part, ControlStates& states, GraphicsContext& context, const FloatRect& zoomedRect, float zoomFactor, ScrollView* scrollView, float deviceScaleFactor, float pageScaleFactor)
{
switch (part) {
case CheckboxPart:
paintToggleButton(part, states, context, zoomedRect, zoomFactor, scrollView, deviceScaleFactor, pageScaleFactor);
break;
case RadioPart:
paintToggleButton(part, states, context, zoomedRect, zoomFactor, scrollView, deviceScaleFactor, pageScaleFactor);
break;
case PushButtonPart:
case DefaultButtonPart:
case ButtonPart:
case SquareButtonPart:
paintButton(part, states, context, zoomedRect, zoomFactor, scrollView, deviceScaleFactor, pageScaleFactor);
break;
case InnerSpinButtonPart:
paintStepper(states, context, zoomedRect, zoomFactor, scrollView);
break;
default:
break;
}
}
}