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/* -*- Mode: C++; tab-width: 2; 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
#include "nsNativeThemeCocoa.h"
#include <objc/NSObjCRuntime.h>
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/Helpers.h"
#include "mozilla/gfx/PathHelpers.h"
#include "nsChildView.h"
#include "nsDeviceContext.h"
#include "nsLayoutUtils.h"
#include "nsObjCExceptions.h"
#include "nsNumberControlFrame.h"
#include "nsRangeFrame.h"
#include "nsRect.h"
#include "nsSize.h"
#include "nsStyleConsts.h"
#include "nsPresContext.h"
#include "nsIContent.h"
#include "mozilla/dom/Document.h"
#include "nsIFrame.h"
#include "nsAtom.h"
#include "nsNameSpaceManager.h"
#include "nsPresContext.h"
#include "nsGkAtoms.h"
#include "nsCocoaFeatures.h"
#include "nsCocoaWindow.h"
#include "nsNativeBasicTheme.h"
#include "nsNativeThemeColors.h"
#include "nsIScrollableFrame.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/EventStates.h"
#include "mozilla/Range.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/HTMLMeterElement.h"
#include "mozilla/layers/StackingContextHelper.h"
#include "mozilla/StaticPrefs_layout.h"
#include "mozilla/StaticPrefs_widget.h"
#include "nsLookAndFeel.h"
#include "MacThemeGeometryType.h"
#include "SDKDeclarations.h"
#include "VibrancyManager.h"
#include "gfxContext.h"
#include "gfxQuartzSurface.h"
#include "gfxQuartzNativeDrawing.h"
#include "gfxUtils.h" // for ToDeviceColor
#include <algorithm>
using namespace mozilla;
using namespace mozilla::gfx;
using mozilla::dom::HTMLMeterElement;
#define DRAW_IN_FRAME_DEBUG 0
#define SCROLLBARS_VISUAL_DEBUG 0
// private Quartz routines needed here
extern "C" {
CG_EXTERN void CGContextSetCTM(CGContextRef, CGAffineTransform);
CG_EXTERN void CGContextSetBaseCTM(CGContextRef, CGAffineTransform);
typedef CFTypeRef CUIRendererRef;
void CUIDraw(CUIRendererRef r, CGRect rect, CGContextRef ctx, CFDictionaryRef options,
CFDictionaryRef* result);
}
// Workaround for NSCell control tint drawing
// Without this workaround, NSCells are always drawn with the clear control tint
// as long as they're not attached to an NSControl which is a subview of an active window.
// XXXmstange Why doesn't Webkit need this?
@implementation NSCell (ControlTintWorkaround)
- (int)_realControlTint {
return [self controlTint];
}
@end
// This is the window for our MOZCellDrawView. When an NSCell is drawn, some NSCell implementations
// look at the draw view's window to determine whether the cell should draw with the active look.
@interface MOZCellDrawWindow : NSWindow
@property BOOL cellsShouldLookActive;
@end
@implementation MOZCellDrawWindow
// Override three different methods, for good measure. The NSCell implementation could call any one
// of them.
- (BOOL)_hasActiveAppearance {
return self.cellsShouldLookActive;
}
- (BOOL)hasKeyAppearance {
return self.cellsShouldLookActive;
}
- (BOOL)_hasKeyAppearance {
return self.cellsShouldLookActive;
}
@end
// The purpose of this class is to provide objects that can be used when drawing
// NSCells using drawWithFrame:inView: without causing any harm. Only a small
// number of methods are called on the draw view, among those "isFlipped" and
// "currentEditor": isFlipped needs to return YES in order to avoid drawing bugs
// NSView) will be called when drawing search fields, and we only provide it in
// order to prevent "unrecognized selector" exceptions.
// There's no need to pass the actual NSView that we're drawing into to
// drawWithFrame:inView:. What's more, doing so even causes unnecessary
// invalidations as soon as we draw a focusring!
// This class needs to be an NSControl so that NSTextFieldCell (and
// NSSearchFieldCell, which is a subclass of NSTextFieldCell) draws a focus ring.
@interface MOZCellDrawView : NSControl
// Called by NSTreeHeaderCell during drawing.
@property BOOL _drawingEndSeparator;
@end
@implementation MOZCellDrawView
- (BOOL)isFlipped {
return YES;
}
- (NSText*)currentEditor {
return nil;
}
@end
static void DrawFocusRingForCellIfNeeded(NSCell* aCell, NSRect aWithFrame, NSView* aInView) {
if ([aCell showsFirstResponder]) {
CGContextRef cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
CGContextSaveGState(cgContext);
// It's important to set the focus ring style before we enter the
// transparency layer so that the transparency layer only contains
// the normal button mask without the focus ring, and the conversion
// to the focus ring shape happens only when the transparency layer is
// ended.
NSSetFocusRingStyle(NSFocusRingOnly);
// We need to draw the whole button into a transparency layer because
// many button types are composed of multiple parts, and if these parts
// were drawn while the focus ring style was active, each individual part
// would produce a focus ring for itself. But we only want one focus ring
// for the whole button. The transparency layer is a way to merge the
// individual button parts together before the focus ring shape is
// calculated.
CGContextBeginTransparencyLayerWithRect(cgContext, NSRectToCGRect(aWithFrame), 0);
[aCell drawFocusRingMaskWithFrame:aWithFrame inView:aInView];
CGContextEndTransparencyLayer(cgContext);
CGContextRestoreGState(cgContext);
}
}
static void DrawCellIncludingFocusRing(NSCell* aCell, NSRect aWithFrame, NSView* aInView) {
[aCell drawWithFrame:aWithFrame inView:aInView];
DrawFocusRingForCellIfNeeded(aCell, aWithFrame, aInView);
}
/**
* NSProgressBarCell is used to draw progress bars of any size.
*/
@interface NSProgressBarCell : NSCell {
/*All instance variables are private*/
double mValue;
double mMax;
bool mIsIndeterminate;
bool mIsHorizontal;
}
- (void)setValue:(double)value;
- (double)value;
- (void)setMax:(double)max;
- (double)max;
- (void)setIndeterminate:(bool)aIndeterminate;
- (bool)isIndeterminate;
- (void)setHorizontal:(bool)aIsHorizontal;
- (bool)isHorizontal;
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView;
@end
@implementation NSProgressBarCell
- (void)setMax:(double)aMax {
mMax = aMax;
}
- (double)max {
return mMax;
}
- (void)setValue:(double)aValue {
mValue = aValue;
}
- (double)value {
return mValue;
}
- (void)setIndeterminate:(bool)aIndeterminate {
mIsIndeterminate = aIndeterminate;
}
- (bool)isIndeterminate {
return mIsIndeterminate;
}
- (void)setHorizontal:(bool)aIsHorizontal {
mIsHorizontal = aIsHorizontal;
}
- (bool)isHorizontal {
return mIsHorizontal;
}
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView {
CGContext* cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
HIThemeTrackDrawInfo tdi;
tdi.version = 0;
tdi.min = 0;
tdi.value = INT32_MAX * (mValue / mMax);
tdi.max = INT32_MAX;
tdi.bounds = NSRectToCGRect(cellFrame);
tdi.attributes = mIsHorizontal ? kThemeTrackHorizontal : 0;
tdi.enableState =
[self controlTint] == NSClearControlTint ? kThemeTrackInactive : kThemeTrackActive;
NSControlSize size = [self controlSize];
if (size == NSControlSizeRegular) {
tdi.kind = mIsIndeterminate ? kThemeLargeIndeterminateBar : kThemeLargeProgressBar;
} else {
NS_ASSERTION(size == NSControlSizeSmall,
"We shouldn't have another size than small and regular for the moment");
tdi.kind = mIsIndeterminate ? kThemeMediumIndeterminateBar : kThemeMediumProgressBar;
}
int32_t stepsPerSecond = mIsIndeterminate ? 60 : 30;
int32_t milliSecondsPerStep = 1000 / stepsPerSecond;
tdi.trackInfo.progress.phase =
uint8_t(PR_IntervalToMilliseconds(PR_IntervalNow()) / milliSecondsPerStep);
HIThemeDrawTrack(&tdi, NULL, cgContext, kHIThemeOrientationNormal);
}
@end
@interface MOZSearchFieldCell : NSSearchFieldCell
@property BOOL shouldUseToolbarStyle;
@end
@implementation MOZSearchFieldCell
- (instancetype)init {
// We would like to render a search field which has the magnifying glass icon at the start of the
// search field, and no cancel button.
// On 10.12 and 10.13, empty search fields render the magnifying glass icon in the middle of the
// field. So in order to get the icon to show at the start of the field, we need to give the field
// some content. We achieve this with a single space character.
self = [super initTextCell:@" "];
// However, because the field is now non-empty, by default it shows a cancel button. To hide the
// cancel button, override it with a custom NSButtonCell which renders nothing.
NSButtonCell* invisibleCell = [[NSButtonCell alloc] initImageCell:nil];
invisibleCell.bezeled = NO;
invisibleCell.bordered = NO;
self.cancelButtonCell = invisibleCell;
[invisibleCell release];
return self;
}
- (BOOL)_isToolbarMode {
return self.shouldUseToolbarStyle;
}
@end
#define HITHEME_ORIENTATION kHIThemeOrientationNormal
static CGFloat kMaxFocusRingWidth = 0; // initialized by the nsNativeThemeCocoa constructor
// These enums are for indexing into the margin array.
enum {
leopardOSorlater = 0, // 10.6 - 10.9
yosemiteOSorlater = 1 // 10.10+
};
enum { miniControlSize, smallControlSize, regularControlSize };
enum { leftMargin, topMargin, rightMargin, bottomMargin };
static size_t EnumSizeForCocoaSize(NSControlSize cocoaControlSize) {
if (cocoaControlSize == NSControlSizeMini)
return miniControlSize;
else if (cocoaControlSize == NSControlSizeSmall)
return smallControlSize;
else
return regularControlSize;
}
static NSControlSize CocoaSizeForEnum(int32_t enumControlSize) {
if (enumControlSize == miniControlSize)
return NSControlSizeMini;
else if (enumControlSize == smallControlSize)
return NSControlSizeSmall;
else
return NSControlSizeRegular;
}
static NSString* CUIControlSizeForCocoaSize(NSControlSize aControlSize) {
if (aControlSize == NSControlSizeRegular)
return @"regular";
else if (aControlSize == NSControlSizeSmall)
return @"small";
else
return @"mini";
}
static void InflateControlRect(NSRect* rect, NSControlSize cocoaControlSize,
const float marginSet[][3][4]) {
if (!marginSet) return;
static int osIndex = yosemiteOSorlater;
size_t controlSize = EnumSizeForCocoaSize(cocoaControlSize);
const float* buttonMargins = marginSet[osIndex][controlSize];
rect->origin.x -= buttonMargins[leftMargin];
rect->origin.y -= buttonMargins[bottomMargin];
rect->size.width += buttonMargins[leftMargin] + buttonMargins[rightMargin];
rect->size.height += buttonMargins[bottomMargin] + buttonMargins[topMargin];
}
static NSWindow* NativeWindowForFrame(nsIFrame* aFrame, nsIWidget** aTopLevelWidget = NULL) {
if (!aFrame) return nil;
nsIWidget* widget = aFrame->GetNearestWidget();
if (!widget) return nil;
nsIWidget* topLevelWidget = widget->GetTopLevelWidget();
if (aTopLevelWidget) *aTopLevelWidget = topLevelWidget;
return (NSWindow*)topLevelWidget->GetNativeData(NS_NATIVE_WINDOW);
}
static NSSize WindowButtonsSize(nsIFrame* aFrame) {
NSWindow* window = NativeWindowForFrame(aFrame);
if (!window) {
// Return fallback values.
return NSMakeSize(54, 16);
}
NSRect buttonBox = NSZeroRect;
NSButton* closeButton = [window standardWindowButton:NSWindowCloseButton];
if (closeButton) {
buttonBox = NSUnionRect(buttonBox, [closeButton frame]);
}
NSButton* minimizeButton = [window standardWindowButton:NSWindowMiniaturizeButton];
if (minimizeButton) {
buttonBox = NSUnionRect(buttonBox, [minimizeButton frame]);
}
NSButton* zoomButton = [window standardWindowButton:NSWindowZoomButton];
if (zoomButton) {
buttonBox = NSUnionRect(buttonBox, [zoomButton frame]);
}
return buttonBox.size;
}
static BOOL FrameIsInActiveWindow(nsIFrame* aFrame) {
nsIWidget* topLevelWidget = NULL;
NSWindow* win = NativeWindowForFrame(aFrame, &topLevelWidget);
if (!topLevelWidget || !win) return YES;
// XUL popups, e.g. the toolbar customization popup, can't become key windows,
// but controls in these windows should still get the active look.
if (topLevelWidget->WindowType() == eWindowType_popup) return YES;
if ([win isSheet]) return [win isKeyWindow];
return [win isMainWindow] && ![win attachedSheet];
}
// Toolbar controls and content controls respond to different window
// activeness states.
static BOOL IsActive(nsIFrame* aFrame, BOOL aIsToolbarControl) {
if (aIsToolbarControl) return [NativeWindowForFrame(aFrame) isMainWindow];
return FrameIsInActiveWindow(aFrame);
}
static bool IsInSourceList(nsIFrame* aFrame) {
for (nsIFrame* frame = aFrame->GetParent(); frame;
frame = nsLayoutUtils::GetCrossDocParentFrameInProcess(frame)) {
if (frame->StyleDisplay()->EffectiveAppearance() == StyleAppearance::MozMacSourceList) {
return true;
}
}
return false;
}
NS_IMPL_ISUPPORTS_INHERITED(nsNativeThemeCocoa, nsNativeTheme, nsITheme)
nsNativeThemeCocoa::nsNativeThemeCocoa() {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
kMaxFocusRingWidth = 7;
// provide a local autorelease pool, as this is called during startup
// before the main event-loop pool is in place
nsAutoreleasePool pool;
mDisclosureButtonCell = [[NSButtonCell alloc] initTextCell:@""];
[mDisclosureButtonCell setBezelStyle:NSRoundedDisclosureBezelStyle];
[mDisclosureButtonCell setButtonType:NSPushOnPushOffButton];
[mDisclosureButtonCell setHighlightsBy:NSPushInCellMask];
mHelpButtonCell = [[NSButtonCell alloc] initTextCell:@""];
[mHelpButtonCell setBezelStyle:NSHelpButtonBezelStyle];
[mHelpButtonCell setButtonType:NSMomentaryPushInButton];
[mHelpButtonCell setHighlightsBy:NSPushInCellMask];
mPushButtonCell = [[NSButtonCell alloc] initTextCell:@""];
[mPushButtonCell setButtonType:NSMomentaryPushInButton];
[mPushButtonCell setHighlightsBy:NSPushInCellMask];
mRadioButtonCell = [[NSButtonCell alloc] initTextCell:@""];
[mRadioButtonCell setButtonType:NSRadioButton];
mCheckboxCell = [[NSButtonCell alloc] initTextCell:@""];
[mCheckboxCell setButtonType:NSSwitchButton];
[mCheckboxCell setAllowsMixedState:YES];
mTextFieldCell = [[NSTextFieldCell alloc] initTextCell:@""];
[mTextFieldCell setBezeled:YES];
[mTextFieldCell setEditable:YES];
[mTextFieldCell setFocusRingType:NSFocusRingTypeExterior];
mSearchFieldCell = [[MOZSearchFieldCell alloc] init];
[mSearchFieldCell setBezelStyle:NSTextFieldRoundedBezel];
[mSearchFieldCell setBezeled:YES];
[mSearchFieldCell setEditable:YES];
[mSearchFieldCell setFocusRingType:NSFocusRingTypeExterior];
mDropdownCell = [[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:NO];
mComboBoxCell = [[NSComboBoxCell alloc] initTextCell:@""];
[mComboBoxCell setBezeled:YES];
[mComboBoxCell setEditable:YES];
[mComboBoxCell setFocusRingType:NSFocusRingTypeExterior];
mProgressBarCell = [[NSProgressBarCell alloc] init];
mMeterBarCell = [[NSLevelIndicatorCell alloc]
initWithLevelIndicatorStyle:NSContinuousCapacityLevelIndicatorStyle];
mTreeHeaderCell = [[NSTableHeaderCell alloc] init];
mCellDrawView = [[MOZCellDrawView alloc] init];
if (XRE_IsParentProcess()) {
// Put the cell draw view into a window that is never shown.
// This allows us to convince some NSCell implementations (such as NSButtonCell for default
// buttons) to draw with the active appearance. Another benefit of putting the draw view in a
// window is the fact that it lets NSTextFieldCell (and its subclass NSSearchFieldCell) inherit
// the current NSApplication effectiveAppearance automatically, so the field adapts to Dark Mode
// correctly.
// We don't create this window when the native theme is used in the content process because
// NSWindow creation runs into the sandbox and because we never run default buttons in content
// processes anyway.
mCellDrawWindow = [[MOZCellDrawWindow alloc] initWithContentRect:NSZeroRect
styleMask:NSWindowStyleMaskBorderless
backing:NSBackingStoreBuffered
defer:NO];
[mCellDrawWindow.contentView addSubview:mCellDrawView];
}
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
nsNativeThemeCocoa::~nsNativeThemeCocoa() {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[mMeterBarCell release];
[mProgressBarCell release];
[mDisclosureButtonCell release];
[mHelpButtonCell release];
[mPushButtonCell release];
[mRadioButtonCell release];
[mCheckboxCell release];
[mTextFieldCell release];
[mSearchFieldCell release];
[mDropdownCell release];
[mComboBoxCell release];
[mTreeHeaderCell release];
[mCellDrawWindow release];
[mCellDrawView release];
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
// Limit on the area of the target rect (in pixels^2) in
// DrawCellWithScaling() and DrawButton() and above which we
// don't draw the object into a bitmap buffer. This is to avoid crashes in
// [NSGraphicsContext graphicsContextWithGraphicsPort:flipped:] and
// CGContextDrawImage(), and also to avoid very poor drawing performance in
// CGContextDrawImage() when it scales the bitmap (particularly if xscale or
// yscale is less than but near 1 -- e.g. 0.9). This value was determined
// by trial and error, on OS X 10.4.11 and 10.5.4, and on systems with
// different amounts of RAM.
#define BITMAP_MAX_AREA 500000
static int GetBackingScaleFactorForRendering(CGContextRef cgContext) {
CGAffineTransform ctm = CGContextGetUserSpaceToDeviceSpaceTransform(cgContext);
CGRect transformedUserSpacePixel = CGRectApplyAffineTransform(CGRectMake(0, 0, 1, 1), ctm);
float maxScale = std::max(fabs(transformedUserSpacePixel.size.width),
fabs(transformedUserSpacePixel.size.height));
return maxScale > 1.0 ? 2 : 1;
}
/*
* Draw the given NSCell into the given cgContext.
*
* destRect - the size and position of the resulting control rectangle
* controlSize - the NSControlSize which will be given to the NSCell before
* asking it to render
* naturalSize - The natural dimensions of this control.
* If the control rect size is not equal to either of these, a scale
* will be applied to the context so that rendering the control at the
* natural size will result in it filling the destRect space.
* If a control has no natural dimensions in either/both axes, pass 0.0f.
* minimumSize - The minimum dimensions of this control.
* If the control rect size is less than the minimum for a given axis,
* a scale will be applied to the context so that the minimum is used
* for drawing. If a control has no minimum dimensions in either/both
* axes, pass 0.0f.
* marginSet - an array of margins; a multidimensional array of [2][3][4],
* with the first dimension being the OS version (Tiger or Leopard),
* the second being the control size (mini, small, regular), and the third
* being the 4 margin values (left, top, right, bottom).
* view - The NSView that we're drawing into. As far as I can tell, it doesn't
* matter if this is really the right view; it just has to return YES when
* asked for isFlipped. Otherwise we'll get drawing bugs on 10.4.
* mirrorHorizontal - whether to mirror the cell horizontally
*/
static void DrawCellWithScaling(NSCell* cell, CGContextRef cgContext, const HIRect& destRect,
NSControlSize controlSize, NSSize naturalSize, NSSize minimumSize,
const float marginSet[][3][4], NSView* view,
BOOL mirrorHorizontal) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSRect drawRect =
NSMakeRect(destRect.origin.x, destRect.origin.y, destRect.size.width, destRect.size.height);
if (naturalSize.width != 0.0f) drawRect.size.width = naturalSize.width;
if (naturalSize.height != 0.0f) drawRect.size.height = naturalSize.height;
// Keep aspect ratio when scaling if one dimension is free.
if (naturalSize.width == 0.0f && naturalSize.height != 0.0f)
drawRect.size.width = destRect.size.width * naturalSize.height / destRect.size.height;
if (naturalSize.height == 0.0f && naturalSize.width != 0.0f)
drawRect.size.height = destRect.size.height * naturalSize.width / destRect.size.width;
// Honor minimum sizes.
if (drawRect.size.width < minimumSize.width) drawRect.size.width = minimumSize.width;
if (drawRect.size.height < minimumSize.height) drawRect.size.height = minimumSize.height;
[NSGraphicsContext saveGraphicsState];
// Only skip the buffer if the area of our cell (in pixels^2) is too large.
if (drawRect.size.width * drawRect.size.height > BITMAP_MAX_AREA) {
// Inflate the rect Gecko gave us by the margin for the control.
InflateControlRect(&drawRect, controlSize, marginSet);
NSGraphicsContext* savedContext = [NSGraphicsContext currentContext];
[NSGraphicsContext
setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:cgContext
flipped:YES]];
DrawCellIncludingFocusRing(cell, drawRect, view);
[NSGraphicsContext setCurrentContext:savedContext];
} else {
float w = ceil(drawRect.size.width);
float h = ceil(drawRect.size.height);
NSRect tmpRect = NSMakeRect(kMaxFocusRingWidth, kMaxFocusRingWidth, w, h);
// inflate to figure out the frame we need to tell NSCell to draw in, to get something that's
// 0,0,w,h
InflateControlRect(&tmpRect, controlSize, marginSet);
// and then, expand by kMaxFocusRingWidth size to make sure we can capture any focus ring
w += kMaxFocusRingWidth * 2.0;
h += kMaxFocusRingWidth * 2.0;
int backingScaleFactor = GetBackingScaleFactorForRendering(cgContext);
CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB();
CGContextRef ctx = CGBitmapContextCreate(
NULL, (int)w * backingScaleFactor, (int)h * backingScaleFactor, 8,
(int)w * backingScaleFactor * 4, rgb, kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(rgb);
// This is the first flip transform, applied to cgContext.
CGContextScaleCTM(cgContext, 1.0f, -1.0f);
CGContextTranslateCTM(cgContext, 0.0f, -(2.0 * destRect.origin.y + destRect.size.height));
if (mirrorHorizontal) {
CGContextScaleCTM(cgContext, -1.0f, 1.0f);
CGContextTranslateCTM(cgContext, -(2.0 * destRect.origin.x + destRect.size.width), 0.0f);
}
NSGraphicsContext* savedContext = [NSGraphicsContext currentContext];
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:ctx
flipped:YES]];
CGContextScaleCTM(ctx, backingScaleFactor, backingScaleFactor);
// Set the context's "base transform" to in order to get correctly-sized focus rings.
CGContextSetBaseCTM(ctx, CGAffineTransformMakeScale(backingScaleFactor, backingScaleFactor));
// This is the second flip transform, applied to ctx.
CGContextScaleCTM(ctx, 1.0f, -1.0f);
CGContextTranslateCTM(ctx, 0.0f, -(2.0 * tmpRect.origin.y + tmpRect.size.height));
DrawCellIncludingFocusRing(cell, tmpRect, view);
[NSGraphicsContext setCurrentContext:savedContext];
CGImageRef img = CGBitmapContextCreateImage(ctx);
// Drop the image into the original destination rectangle, scaling to fit
// Only scale kMaxFocusRingWidth by xscale/yscale when the resulting rect
// doesn't extend beyond the overflow rect
float xscale = destRect.size.width / drawRect.size.width;
float yscale = destRect.size.height / drawRect.size.height;
float scaledFocusRingX = xscale < 1.0f ? kMaxFocusRingWidth * xscale : kMaxFocusRingWidth;
float scaledFocusRingY = yscale < 1.0f ? kMaxFocusRingWidth * yscale : kMaxFocusRingWidth;
CGContextDrawImage(
cgContext,
CGRectMake(destRect.origin.x - scaledFocusRingX, destRect.origin.y - scaledFocusRingY,
destRect.size.width + scaledFocusRingX * 2,
destRect.size.height + scaledFocusRingY * 2),
img);
CGImageRelease(img);
CGContextRelease(ctx);
}
[NSGraphicsContext restoreGraphicsState];
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, destRect);
#endif
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
struct CellRenderSettings {
// The natural dimensions of the control.
// If a control has no natural dimensions in either/both axes, set to 0.0f.
NSSize naturalSizes[3];
// The minimum dimensions of the control.
// If a control has no minimum dimensions in either/both axes, set to 0.0f.
NSSize minimumSizes[3];
// A three-dimensional array,
// with the first dimension being the OS version ([0] 10.6-10.9, [1] 10.10 and above),
// the second being the control size (mini, small, regular), and the third
// being the 4 margin values (left, top, right, bottom).
float margins[2][3][4];
};
/*
* This is a helper method that returns the required NSControlSize given a size
* and the size of the three controls plus a tolerance.
* size - The width or the height of the element to draw.
* sizes - An array with the all the width/height of the element for its
* different sizes.
* tolerance - The tolerance as passed to DrawCellWithSnapping.
* NOTE: returns NSControlSizeRegular if all values in 'sizes' are zero.
*/
static NSControlSize FindControlSize(CGFloat size, const CGFloat* sizes, CGFloat tolerance) {
for (uint32_t i = miniControlSize; i <= regularControlSize; ++i) {
if (sizes[i] == 0) {
continue;
}
CGFloat next = 0;
// Find next value.
for (uint32_t j = i + 1; j <= regularControlSize; ++j) {
if (sizes[j] != 0) {
next = sizes[j];
break;
}
}
// If it's the latest value, we pick it.
if (next == 0) {
return CocoaSizeForEnum(i);
}
if (size <= sizes[i] + tolerance && size < next) {
return CocoaSizeForEnum(i);
}
}
// If we are here, that means sizes[] was an array with only empty values
// or the algorithm above is wrong.
// The former can happen but the later would be wrong.
NS_ASSERTION(sizes[0] == 0 && sizes[1] == 0 && sizes[2] == 0,
"We found no control! We shouldn't be there!");
return CocoaSizeForEnum(regularControlSize);
}
/*
* Draw the given NSCell into the given cgContext with a nice control size.
*
* This function is similar to DrawCellWithScaling, but it decides what
* control size to use based on the destRect's size.
* Scaling is only applied when the difference between the destRect's size
* and the next smaller natural size is greater than snapTolerance. Otherwise
* it snaps to the next smaller control size without scaling because unscaled
* controls look nicer.
*/
static void DrawCellWithSnapping(NSCell* cell, CGContextRef cgContext, const HIRect& destRect,
const CellRenderSettings settings, float verticalAlignFactor,
NSView* view, BOOL mirrorHorizontal, float snapTolerance = 2.0f) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
const float rectWidth = destRect.size.width, rectHeight = destRect.size.height;
const NSSize* sizes = settings.naturalSizes;
const NSSize miniSize = sizes[EnumSizeForCocoaSize(NSControlSizeMini)];
const NSSize smallSize = sizes[EnumSizeForCocoaSize(NSControlSizeSmall)];
const NSSize regularSize = sizes[EnumSizeForCocoaSize(NSControlSizeRegular)];
HIRect drawRect = destRect;
CGFloat controlWidths[3] = {miniSize.width, smallSize.width, regularSize.width};
NSControlSize controlSizeX = FindControlSize(rectWidth, controlWidths, snapTolerance);
CGFloat controlHeights[3] = {miniSize.height, smallSize.height, regularSize.height};
NSControlSize controlSizeY = FindControlSize(rectHeight, controlHeights, snapTolerance);
NSControlSize controlSize = NSControlSizeRegular;
size_t sizeIndex = 0;
// At some sizes, don't scale but snap.
const NSControlSize smallerControlSize =
EnumSizeForCocoaSize(controlSizeX) < EnumSizeForCocoaSize(controlSizeY) ? controlSizeX
: controlSizeY;
const size_t smallerControlSizeIndex = EnumSizeForCocoaSize(smallerControlSize);
const NSSize size = sizes[smallerControlSizeIndex];
float diffWidth = size.width ? rectWidth - size.width : 0.0f;
float diffHeight = size.height ? rectHeight - size.height : 0.0f;
if (diffWidth >= 0.0f && diffHeight >= 0.0f && diffWidth <= snapTolerance &&
diffHeight <= snapTolerance) {
// Snap to the smaller control size.
controlSize = smallerControlSize;
sizeIndex = smallerControlSizeIndex;
MOZ_ASSERT(sizeIndex < ArrayLength(settings.naturalSizes));
// Resize and center the drawRect.
if (sizes[sizeIndex].width) {
drawRect.origin.x += ceil((destRect.size.width - sizes[sizeIndex].width) / 2);
drawRect.size.width = sizes[sizeIndex].width;
}
if (sizes[sizeIndex].height) {
drawRect.origin.y +=
floor((destRect.size.height - sizes[sizeIndex].height) * verticalAlignFactor);
drawRect.size.height = sizes[sizeIndex].height;
}
} else {
// Use the larger control size.
controlSize = EnumSizeForCocoaSize(controlSizeX) > EnumSizeForCocoaSize(controlSizeY)
? controlSizeX
: controlSizeY;
sizeIndex = EnumSizeForCocoaSize(controlSize);
}
[cell setControlSize:controlSize];
MOZ_ASSERT(sizeIndex < ArrayLength(settings.minimumSizes));
const NSSize minimumSize = settings.minimumSizes[sizeIndex];
DrawCellWithScaling(cell, cgContext, drawRect, controlSize, sizes[sizeIndex], minimumSize,
settings.margins, view, mirrorHorizontal);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
@interface NSWindow (CoreUIRendererPrivate)
+ (CUIRendererRef)coreUIRenderer;
@end
@interface NSObject (NSAppearanceCoreUIRendering)
- (void)_drawInRect:(CGRect)rect context:(CGContextRef)cgContext options:(id)options;
@end
static void RenderWithCoreUI(CGRect aRect, CGContextRef cgContext, NSDictionary* aOptions,
bool aSkipAreaCheck = false) {
if (!aSkipAreaCheck && aRect.size.width * aRect.size.height > BITMAP_MAX_AREA) {
return;
}
NSAppearance* appearance = NSAppearance.currentAppearance;
if (appearance && [appearance respondsToSelector:@selector(_drawInRect:context:options:)]) {
// Render through NSAppearance on Mac OS 10.10 and up. This will call
// CUIDraw with a CoreUI renderer that will give us the correct 10.10
// style. Calling CUIDraw directly with [NSWindow coreUIRenderer] still
// renders 10.9-style widgets on 10.10.
[appearance _drawInRect:aRect context:cgContext options:aOptions];
} else {
// 10.9 and below
CUIRendererRef renderer =
[NSWindow respondsToSelector:@selector(coreUIRenderer)] ? [NSWindow coreUIRenderer] : nil;
CUIDraw(renderer, aRect, cgContext, (CFDictionaryRef)aOptions, NULL);
}
}
static float VerticalAlignFactor(nsIFrame* aFrame) {
if (!aFrame) return 0.5f; // default: center
const auto& va = aFrame->StyleDisplay()->mVerticalAlign;
auto kw = va.IsKeyword() ? va.AsKeyword() : StyleVerticalAlignKeyword::Middle;
switch (kw) {
case StyleVerticalAlignKeyword::Top:
case StyleVerticalAlignKeyword::TextTop:
return 0.0f;
case StyleVerticalAlignKeyword::Sub:
case StyleVerticalAlignKeyword::Super:
case StyleVerticalAlignKeyword::Middle:
case StyleVerticalAlignKeyword::MozMiddleWithBaseline:
return 0.5f;
case StyleVerticalAlignKeyword::Baseline:
case StyleVerticalAlignKeyword::Bottom:
case StyleVerticalAlignKeyword::TextBottom:
return 1.0f;
default:
MOZ_ASSERT_UNREACHABLE("invalid vertical-align");
return 0.5f;
}
}
static void ApplyControlParamsToNSCell(nsNativeThemeCocoa::ControlParams aControlParams,
NSCell* aCell) {
[aCell setEnabled:!aControlParams.disabled];
[aCell setShowsFirstResponder:(aControlParams.focused && !aControlParams.disabled &&
aControlParams.insideActiveWindow)];
[aCell setHighlighted:aControlParams.pressed];
}
// These are the sizes that Gecko needs to request to draw if it wants
// to get a standard-sized Aqua radio button drawn. Note that the rects
// that draw these are actually a little bigger.
static const CellRenderSettings radioSettings = {{
NSMakeSize(11, 11), // mini
NSMakeSize(13, 13), // small
NSMakeSize(16, 16) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{0, 0, 0, 0}, // mini
{0, 1, 1, 1}, // small
{0, 0, 0, 0} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{1, 1, 1, 2}, // small
{0, 0, 0, 0} // regular
}}};
static const CellRenderSettings checkboxSettings = {{
NSMakeSize(11, 11), // mini
NSMakeSize(13, 13), // small
NSMakeSize(16, 16) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{0, 1, 0, 0}, // mini
{0, 1, 0, 1}, // small
{0, 1, 0, 1} // regular
},
{
// Yosemite
{0, 1, 0, 0}, // mini
{0, 1, 0, 1}, // small
{0, 1, 0, 1} // regular
}}};
static NSCellStateValue CellStateForCheckboxOrRadioState(
nsNativeThemeCocoa::CheckboxOrRadioState aState) {
switch (aState) {
case nsNativeThemeCocoa::CheckboxOrRadioState::eOff:
return NSOffState;
case nsNativeThemeCocoa::CheckboxOrRadioState::eOn:
return NSOnState;
case nsNativeThemeCocoa::CheckboxOrRadioState::eIndeterminate:
return NSMixedState;
}
}
void nsNativeThemeCocoa::DrawCheckboxOrRadio(CGContextRef cgContext, bool inCheckbox,
const HIRect& inBoxRect,
const CheckboxOrRadioParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSButtonCell* cell = inCheckbox ? mCheckboxCell : mRadioButtonCell;
ApplyControlParamsToNSCell(aParams.controlParams, cell);
[cell setState:CellStateForCheckboxOrRadioState(aParams.state)];
[cell setControlTint:(aParams.controlParams.insideActiveWindow ? [NSColor currentControlTint]
: NSClearControlTint)];
// Ensure that the control is square.
float length = std::min(inBoxRect.size.width, inBoxRect.size.height);
HIRect drawRect = CGRectMake(inBoxRect.origin.x + (int)((inBoxRect.size.width - length) / 2.0f),
inBoxRect.origin.y + (int)((inBoxRect.size.height - length) / 2.0f),
length, length);
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aParams.controlParams.insideActiveWindow;
}
DrawCellWithSnapping(cell, cgContext, drawRect, inCheckbox ? checkboxSettings : radioSettings,
aParams.verticalAlignFactor, mCellDrawView, NO);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const CellRenderSettings searchFieldSettings = {{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(32, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{{
// Leopard
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
}}};
static bool IsToolbarStyleContainer(nsIFrame* aFrame) {
nsIContent* content = aFrame->GetContent();
if (!content) {
return false;
}
if (content->IsAnyOfXULElements(nsGkAtoms::toolbar, nsGkAtoms::toolbox, nsGkAtoms::statusbar)) {
return true;
}
switch (aFrame->StyleDisplay()->EffectiveAppearance()) {
case StyleAppearance::Toolbar:
case StyleAppearance::Statusbar:
return true;
default:
return false;
}
}
static bool IsInsideToolbar(nsIFrame* aFrame) {
for (nsIFrame* frame = aFrame; frame; frame = frame->GetParent()) {
if (IsToolbarStyleContainer(frame)) {
return true;
}
}
return false;
}
nsNativeThemeCocoa::TextFieldParams nsNativeThemeCocoa::ComputeTextFieldParams(
nsIFrame* aFrame, EventStates aEventState) {
TextFieldParams params;
params.insideToolbar = IsInsideToolbar(aFrame);
params.disabled = IsDisabled(aFrame, aEventState);
// See ShouldUnconditionallyDrawFocusRingIfFocused.
params.focused = aEventState.HasState(NS_EVENT_STATE_FOCUS);
// XUL textboxes set the native appearance on the containing box, while
// concrete focus is set on the html:input element within it. We can
// though, check the focused attribute of xul textboxes in this case.
// On Mac, focus rings are always shown for textboxes, so we do not need
// to check the window's focus ring state here
if (aFrame->GetContent()->IsXULElement() && IsFocused(aFrame)) {
params.focused = true;
}
params.rtl = IsFrameRTL(aFrame);
params.verticalAlignFactor = VerticalAlignFactor(aFrame);
return params;
}
void nsNativeThemeCocoa::DrawTextField(CGContextRef cgContext, const HIRect& inBoxRect,
const TextFieldParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSTextFieldCell* cell = mTextFieldCell;
[cell setEnabled:!aParams.disabled];
[cell setShowsFirstResponder:aParams.focused];
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = YES; // TODO: propagate correct activeness state
}
DrawCellWithSnapping(cell, cgContext, inBoxRect, searchFieldSettings, aParams.verticalAlignFactor,
mCellDrawView, aParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawSearchField(CGContextRef cgContext, const HIRect& inBoxRect,
const TextFieldParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
mSearchFieldCell.enabled = !aParams.disabled;
mSearchFieldCell.showsFirstResponder = aParams.focused;
mSearchFieldCell.placeholderString = @"";
mSearchFieldCell.shouldUseToolbarStyle = aParams.insideToolbar;
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = YES; // TODO: propagate correct activeness state
}
DrawCellWithSnapping(mSearchFieldCell, cgContext, inBoxRect, searchFieldSettings,
aParams.verticalAlignFactor, mCellDrawView, aParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const NSSize kCheckmarkSize = NSMakeSize(11, 11);
static const NSSize kMenuarrowSize = NSMakeSize(9, 10);
static const NSSize kMenuScrollArrowSize = NSMakeSize(10, 8);
static NSString* kCheckmarkImage = @"MenuOnState";
static NSString* kMenuarrowRightImage = @"MenuSubmenu";
static NSString* kMenuarrowLeftImage = @"MenuSubmenuLeft";
static NSString* kMenuDownScrollArrowImage = @"MenuScrollDown";
static NSString* kMenuUpScrollArrowImage = @"MenuScrollUp";
static const CGFloat kMenuIconIndent = 6.0f;
NSString* nsNativeThemeCocoa::GetMenuIconName(const MenuIconParams& aParams) {
switch (aParams.icon) {
case MenuIcon::eCheckmark:
return kCheckmarkImage;
case MenuIcon::eMenuArrow:
return aParams.rtl ? kMenuarrowLeftImage : kMenuarrowRightImage;
case MenuIcon::eMenuDownScrollArrow:
return kMenuDownScrollArrowImage;
case MenuIcon::eMenuUpScrollArrow:
return kMenuUpScrollArrowImage;
}
}
NSSize nsNativeThemeCocoa::GetMenuIconSize(MenuIcon aIcon) {
switch (aIcon) {
case MenuIcon::eCheckmark:
return kCheckmarkSize;
case MenuIcon::eMenuArrow:
return kMenuarrowSize;
case MenuIcon::eMenuDownScrollArrow:
case MenuIcon::eMenuUpScrollArrow:
return kMenuScrollArrowSize;
}
}
nsNativeThemeCocoa::MenuIconParams nsNativeThemeCocoa::ComputeMenuIconParams(
nsIFrame* aFrame, EventStates aEventState, MenuIcon aIcon) {
bool isDisabled = IsDisabled(aFrame, aEventState);
MenuIconParams params;
params.icon = aIcon;
params.disabled = isDisabled;
params.insideActiveMenuItem = !isDisabled && CheckBooleanAttr(aFrame, nsGkAtoms::menuactive);
params.centerHorizontally = true;
params.rtl = IsFrameRTL(aFrame);
return params;
}
void nsNativeThemeCocoa::DrawMenuIcon(CGContextRef cgContext, const CGRect& aRect,
const MenuIconParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSSize size = GetMenuIconSize(aParams.icon);
// Adjust size and position of our drawRect.
CGFloat paddingX = std::max(CGFloat(0.0), aRect.size.width - size.width);
CGFloat paddingY = std::max(CGFloat(0.0), aRect.size.height - size.height);
CGFloat paddingStartX = std::min(paddingX, kMenuIconIndent);
CGFloat paddingEndX = std::max(CGFloat(0.0), paddingX - kMenuIconIndent);
CGRect drawRect = CGRectMake(aRect.origin.x + (aParams.centerHorizontally ? ceil(paddingX / 2)
: aParams.rtl ? paddingEndX
: paddingStartX),
aRect.origin.y + ceil(paddingY / 2), size.width, size.height);
NSString* state =
aParams.disabled ? @"disabled" : (aParams.insideActiveMenuItem ? @"pressed" : @"normal");
NSString* imageName = GetMenuIconName(aParams);
RenderWithCoreUI(
drawRect, cgContext,
[NSDictionary dictionaryWithObjectsAndKeys:@"kCUIBackgroundTypeMenu", @"backgroundTypeKey",
imageName, @"imageNameKey", state, @"state",
@"image", @"widget", [NSNumber numberWithBool:YES],
@"is.flipped", nil]);
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, drawRect);
#endif
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
nsNativeThemeCocoa::MenuItemParams nsNativeThemeCocoa::ComputeMenuItemParams(
nsIFrame* aFrame, EventStates aEventState, bool aIsChecked) {
bool isDisabled = IsDisabled(aFrame, aEventState);
MenuItemParams params;
params.checked = aIsChecked;
params.disabled = isDisabled;
params.selected = !isDisabled && CheckBooleanAttr(aFrame, nsGkAtoms::menuactive);
params.rtl = IsFrameRTL(aFrame);
return params;
}
void nsNativeThemeCocoa::DrawMenuItem(CGContextRef cgContext, const CGRect& inBoxRect,
const MenuItemParams& aParams) {
if (aParams.checked) {
MenuIconParams params;
params.disabled = aParams.disabled;
params.insideActiveMenuItem = aParams.selected;
params.rtl = aParams.rtl;
params.icon = MenuIcon::eCheckmark;
DrawMenuIcon(cgContext, inBoxRect, params);
}
}
void nsNativeThemeCocoa::DrawMenuSeparator(CGContextRef cgContext, const CGRect& inBoxRect,
const MenuItemParams& aParams) {
// Workaround for visual artifacts issues with
// HIThemeDrawMenuSeparator on macOS Big Sur.
if (nsCocoaFeatures::OnBigSurOrLater()) {
CGRect separatorRect = inBoxRect;
separatorRect.size.height = 1;
separatorRect.size.width -= 42;
separatorRect.origin.x += 21;
// Use transparent black with an alpha similar to the native separator.
// The values 231 (menu background) and 205 (separator color) have been
// sampled from a window screenshot of a native context menu.
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.0, (231 - 205) / 231.0);
CGContextFillRect(cgContext, separatorRect);
return;
}
ThemeMenuState menuState;
if (aParams.disabled) {
menuState = kThemeMenuDisabled;
} else {
menuState = aParams.selected ? kThemeMenuSelected : kThemeMenuActive;
}
HIThemeMenuItemDrawInfo midi = {0, kThemeMenuItemPlain, menuState};
HIThemeDrawMenuSeparator(&inBoxRect, &inBoxRect, &midi, cgContext, HITHEME_ORIENTATION);
}
static bool ShouldUnconditionallyDrawFocusRingIfFocused(nsIFrame* aFrame) {
// Mac always draws focus rings for textboxes and lists.
switch (aFrame->StyleDisplay()->EffectiveAppearance()) {
case StyleAppearance::NumberInput:
case StyleAppearance::Textfield:
case StyleAppearance::Textarea:
case StyleAppearance::Searchfield:
case StyleAppearance::Listbox:
return true;
default:
return false;
}
}
nsNativeThemeCocoa::ControlParams nsNativeThemeCocoa::ComputeControlParams(
nsIFrame* aFrame, EventStates aEventState) {
ControlParams params;
params.disabled = IsDisabled(aFrame, aEventState);
params.insideActiveWindow = FrameIsInActiveWindow(aFrame);
params.pressed = aEventState.HasAllStates(NS_EVENT_STATE_ACTIVE | NS_EVENT_STATE_HOVER);
params.focused = aEventState.HasState(NS_EVENT_STATE_FOCUS) &&
(aEventState.HasState(NS_EVENT_STATE_FOCUSRING) ||
ShouldUnconditionallyDrawFocusRingIfFocused(aFrame));
params.rtl = IsFrameRTL(aFrame);
return params;
}
static const NSSize kHelpButtonSize = NSMakeSize(20, 20);
static const NSSize kDisclosureButtonSize = NSMakeSize(21, 21);
static const CellRenderSettings pushButtonSettings = {{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(26, 0), // small
NSMakeSize(30, 0) // regular
},
{{
// Leopard
{0, 0, 0, 0}, // mini
{4, 0, 4, 1}, // small
{5, 0, 5, 2} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{4, 0, 4, 1}, // small
{5, 0, 5, 2} // regular
}}};
// The height at which we start doing square buttons instead of rounded buttons
// Rounded buttons look bad if drawn at a height greater than 26, so at that point
// we switch over to doing square buttons which looks fine at any size.
#define DO_SQUARE_BUTTON_HEIGHT 26
void nsNativeThemeCocoa::DrawPushButton(CGContextRef cgContext, const HIRect& inBoxRect,
ButtonType aButtonType, ControlParams aControlParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ApplyControlParamsToNSCell(aControlParams, mPushButtonCell);
[mPushButtonCell setBezelStyle:NSRoundedBezelStyle];
mPushButtonCell.keyEquivalent = aButtonType == ButtonType::eDefaultPushButton ? @"\r" : @"";
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aControlParams.insideActiveWindow;
}
DrawCellWithSnapping(mPushButtonCell, cgContext, inBoxRect, pushButtonSettings, 0.5f,
mCellDrawView, aControlParams.rtl, 1.0f);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawSquareBezelPushButton(CGContextRef cgContext, const HIRect& inBoxRect,
ControlParams aControlParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ApplyControlParamsToNSCell(aControlParams, mPushButtonCell);
[mPushButtonCell setBezelStyle:NSShadowlessSquareBezelStyle];
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aControlParams.insideActiveWindow;
}
DrawCellWithScaling(mPushButtonCell, cgContext, inBoxRect, NSControlSizeRegular, NSZeroSize,
NSMakeSize(14, 0), NULL, mCellDrawView, aControlParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawHelpButton(CGContextRef cgContext, const HIRect& inBoxRect,
ControlParams aControlParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ApplyControlParamsToNSCell(aControlParams, mHelpButtonCell);
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aControlParams.insideActiveWindow;
}
DrawCellWithScaling(mHelpButtonCell, cgContext, inBoxRect, NSControlSizeRegular, NSZeroSize,
kHelpButtonSize, NULL, mCellDrawView,
false); // Don't mirror icon in RTL.
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawDisclosureButton(CGContextRef cgContext, const HIRect& inBoxRect,
ControlParams aControlParams,
NSCellStateValue aCellState) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ApplyControlParamsToNSCell(aControlParams, mDisclosureButtonCell);
[mDisclosureButtonCell setState:aCellState];
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aControlParams.insideActiveWindow;
}
DrawCellWithScaling(mDisclosureButtonCell, cgContext, inBoxRect, NSControlSizeRegular, NSZeroSize,
kDisclosureButtonSize, NULL, mCellDrawView,
false); // Don't mirror icon in RTL.
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawFocusOutline(CGContextRef cgContext, const HIRect& inBoxRect) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSGraphicsContext* savedContext = [NSGraphicsContext currentContext];
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:cgContext
flipped:YES]];
CGContextSaveGState(cgContext);
NSSetFocusRingStyle(NSFocusRingOnly);
NSRectFill(NSRectFromCGRect(inBoxRect));
CGContextRestoreGState(cgContext);
[NSGraphicsContext setCurrentContext:savedContext];
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
typedef void (*RenderHIThemeControlFunction)(CGContextRef cgContext, const HIRect& aRenderRect,
void* aData);
static void RenderTransformedHIThemeControl(CGContextRef aCGContext, const HIRect& aRect,
RenderHIThemeControlFunction aFunc, void* aData,
BOOL mirrorHorizontally = NO) {
CGAffineTransform savedCTM = CGContextGetCTM(aCGContext);
CGContextTranslateCTM(aCGContext, aRect.origin.x, aRect.origin.y);
bool drawDirect;
HIRect drawRect = aRect;
drawRect.origin = CGPointZero;
if (!mirrorHorizontally && savedCTM.a == 1.0f && savedCTM.b == 0.0f && savedCTM.c == 0.0f &&
(savedCTM.d == 1.0f || savedCTM.d == -1.0f)) {
drawDirect = TRUE;
} else {
drawDirect = FALSE;
}
// Fall back to no bitmap buffer if the area of our control (in pixels^2)
// is too large.
if (drawDirect || (aRect.size.width * aRect.size.height > BITMAP_MAX_AREA)) {
aFunc(aCGContext, drawRect, aData);
} else {
// Inflate the buffer to capture focus rings.
int w = ceil(drawRect.size.width) + 2 * kMaxFocusRingWidth;
int h = ceil(drawRect.size.height) + 2 * kMaxFocusRingWidth;
int backingScaleFactor = GetBackingScaleFactorForRendering(aCGContext);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef bitmapctx = CGBitmapContextCreate(
NULL, w * backingScaleFactor, h * backingScaleFactor, 8, w * backingScaleFactor * 4,
colorSpace, kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(colorSpace);
CGContextScaleCTM(bitmapctx, backingScaleFactor, backingScaleFactor);
CGContextTranslateCTM(bitmapctx, kMaxFocusRingWidth, kMaxFocusRingWidth);
// Set the context's "base transform" to in order to get correctly-sized focus rings.
CGContextSetBaseCTM(bitmapctx,
CGAffineTransformMakeScale(backingScaleFactor, backingScaleFactor));
// HITheme always wants to draw into a flipped context, or things
// get confused.
CGContextTranslateCTM(bitmapctx, 0.0f, aRect.size.height);
CGContextScaleCTM(bitmapctx, 1.0f, -1.0f);
aFunc(bitmapctx, drawRect, aData);
CGImageRef bitmap = CGBitmapContextCreateImage(bitmapctx);
CGAffineTransform ctm = CGContextGetCTM(aCGContext);
// We need to unflip, so that we can do a DrawImage without getting a flipped image.
CGContextTranslateCTM(aCGContext, 0.0f, aRect.size.height);
CGContextScaleCTM(aCGContext, 1.0f, -1.0f);
if (mirrorHorizontally) {
CGContextTranslateCTM(aCGContext, aRect.size.width, 0);
CGContextScaleCTM(aCGContext, -1.0f, 1.0f);
}
HIRect inflatedDrawRect = CGRectMake(-kMaxFocusRingWidth, -kMaxFocusRingWidth, w, h);
CGContextDrawImage(aCGContext, inflatedDrawRect, bitmap);
CGContextSetCTM(aCGContext, ctm);
CGImageRelease(bitmap);
CGContextRelease(bitmapctx);
}
CGContextSetCTM(aCGContext, savedCTM);
}
static void RenderButton(CGContextRef cgContext, const HIRect& aRenderRect, void* aData) {
HIThemeButtonDrawInfo* bdi = (HIThemeButtonDrawInfo*)aData;
HIThemeDrawButton(&aRenderRect, bdi, cgContext, kHIThemeOrientationNormal, NULL);
}
static ThemeDrawState ToThemeDrawState(const nsNativeThemeCocoa::ControlParams& aParams) {
if (aParams.disabled) {
return kThemeStateUnavailable;
}
if (aParams.pressed) {
return kThemeStatePressed;
}
return kThemeStateActive;
}
void nsNativeThemeCocoa::DrawHIThemeButton(CGContextRef cgContext, const HIRect& aRect,
ThemeButtonKind aKind, ThemeButtonValue aValue,
ThemeDrawState aState, ThemeButtonAdornment aAdornment,
const ControlParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
HIThemeButtonDrawInfo bdi;
bdi.version = 0;
bdi.kind = aKind;
bdi.value = aValue;
bdi.state = aState;
bdi.adornment = aAdornment;
if (aParams.focused && aParams.insideActiveWindow) {
bdi.adornment |= kThemeAdornmentFocus;
}
RenderTransformedHIThemeControl(cgContext, aRect, RenderButton, &bdi, aParams.rtl);
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, inBoxRect);
#endif
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawButton(CGContextRef cgContext, const HIRect& inBoxRect,
const ButtonParams& aParams) {
ControlParams controlParams = aParams.controlParams;
switch (aParams.button) {
case ButtonType::eRegularPushButton:
case ButtonType::eDefaultPushButton:
DrawPushButton(cgContext, inBoxRect, aParams.button, controlParams);
return;
case ButtonType::eSquareBezelPushButton:
DrawSquareBezelPushButton(cgContext, inBoxRect, controlParams);
return;
case ButtonType::eArrowButton:
DrawHIThemeButton(cgContext, inBoxRect, kThemeArrowButton, kThemeButtonOn,
kThemeStateUnavailable, kThemeAdornmentArrowDownArrow, controlParams);
return;
case ButtonType::eHelpButton:
DrawHelpButton(cgContext, inBoxRect, controlParams);
return;
case ButtonType::eTreeTwistyPointingRight:
DrawHIThemeButton(cgContext, inBoxRect, kThemeDisclosureButton, kThemeDisclosureRight,
ToThemeDrawState(controlParams), kThemeAdornmentNone, controlParams);
return;
case ButtonType::eTreeTwistyPointingDown:
DrawHIThemeButton(cgContext, inBoxRect, kThemeDisclosureButton, kThemeDisclosureDown,
ToThemeDrawState(controlParams), kThemeAdornmentNone, controlParams);
return;
case ButtonType::eDisclosureButtonClosed:
DrawDisclosureButton(cgContext, inBoxRect, controlParams, NSOffState);
return;
case ButtonType::eDisclosureButtonOpen:
DrawDisclosureButton(cgContext, inBoxRect, controlParams, NSOnState);
return;
}
}
nsNativeThemeCocoa::TreeHeaderCellParams nsNativeThemeCocoa::ComputeTreeHeaderCellParams(
nsIFrame* aFrame, EventStates aEventState) {
TreeHeaderCellParams params;
params.controlParams = ComputeControlParams(aFrame, aEventState);
params.sortDirection = GetTreeSortDirection(aFrame);
params.lastTreeHeaderCell = IsLastTreeHeaderCell(aFrame);
return params;
}
@interface NSTableHeaderCell (NSTableHeaderCell_setSortable)
// This method has been present in the same form since at least macOS 10.4.
- (void)_setSortable:(BOOL)arg1
showSortIndicator:(BOOL)arg2
ascending:(BOOL)arg3
priority:(NSInteger)arg4
highlightForSort:(BOOL)arg5;
@end
void nsNativeThemeCocoa::DrawTreeHeaderCell(CGContextRef cgContext, const HIRect& inBoxRect,
const TreeHeaderCellParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
// Without clearing the cell's title, it takes on a default value of "Field",
// which is displayed underneath the title set in the front-end.
NSCell* cell = (NSCell*)mTreeHeaderCell;
cell.title = @"";
if ([mTreeHeaderCell respondsToSelector:@selector
(_setSortable:showSortIndicator:ascending:priority:highlightForSort:)]) {
switch (aParams.sortDirection) {
case eTreeSortDirection_Ascending:
[mTreeHeaderCell _setSortable:YES
showSortIndicator:YES
ascending:YES
priority:0
highlightForSort:YES];
break;
case eTreeSortDirection_Descending:
[mTreeHeaderCell _setSortable:YES
showSortIndicator:YES
ascending:NO
priority:0
highlightForSort:YES];
break;
default:
// eTreeSortDirection_Natural
[mTreeHeaderCell _setSortable:YES
showSortIndicator:NO
ascending:YES
priority:0
highlightForSort:NO];
break;
}
}
mTreeHeaderCell.enabled = !aParams.controlParams.disabled;
mTreeHeaderCell.state =
(mTreeHeaderCell.enabled && aParams.controlParams.pressed) ? NSOnState : NSOffState;
mCellDrawView._drawingEndSeparator = !aParams.lastTreeHeaderCell;
NSGraphicsContext* savedContext = NSGraphicsContext.currentContext;
NSGraphicsContext.currentContext = [NSGraphicsContext graphicsContextWithCGContext:cgContext
flipped:YES];
DrawCellIncludingFocusRing(mTreeHeaderCell, inBoxRect, mCellDrawView);
NSGraphicsContext.currentContext = savedContext;
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, inBoxRect);
#endif
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const CellRenderSettings dropdownSettings = {{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{{
// Leopard
{1, 1, 2, 1}, // mini
{3, 0, 3, 1}, // small
{3, 0, 3, 0} // regular
},
{
// Yosemite
{1, 1, 2, 1}, // mini
{3, 0, 3, 1}, // small
{3, 0, 3, 0} // regular
}}};
static const CellRenderSettings editableMenulistSettings = {{
NSMakeSize(0, 15), // mini
NSMakeSize(0, 18), // small
NSMakeSize(0, 21) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{{
// Leopard
{0, 0, 2, 2}, // mini
{0, 0, 3, 2}, // small
{0, 1, 3, 3} // regular
},
{
// Yosemite
{0, 0, 2, 2}, // mini
{0, 0, 3, 2}, // small
{0, 1, 3, 3} // regular
}}};
void nsNativeThemeCocoa::DrawDropdown(CGContextRef cgContext, const HIRect& inBoxRect,
const DropdownParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[mDropdownCell setPullsDown:aParams.pullsDown];
NSCell* cell = aParams.editable ? (NSCell*)mComboBoxCell : (NSCell*)mDropdownCell;
ApplyControlParamsToNSCell(aParams.controlParams, cell);
if (aParams.controlParams.insideActiveWindow) {
[cell setControlTint:[NSColor currentControlTint]];
} else {
[cell setControlTint:NSClearControlTint];
}
const CellRenderSettings& settings =
aParams.editable ? editableMenulistSettings : dropdownSettings;
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aParams.controlParams.insideActiveWindow;
}
DrawCellWithSnapping(cell, cgContext, inBoxRect, settings, 0.5f, mCellDrawView,
aParams.controlParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const CellRenderSettings spinnerSettings = {
{
NSMakeSize(11, 16), // mini (width trimmed by 2px to reduce blank border)
NSMakeSize(15, 22), // small
NSMakeSize(19, 27) // regular
},
{
NSMakeSize(11, 16), // mini (width trimmed by 2px to reduce blank border)
NSMakeSize(15, 22), // small
NSMakeSize(19, 27) // regular
},
{{
// Leopard
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
}}};
HIThemeButtonDrawInfo nsNativeThemeCocoa::SpinButtonDrawInfo(ThemeButtonKind aKind,
const SpinButtonParams& aParams) {
HIThemeButtonDrawInfo bdi;
bdi.version = 0;
bdi.kind = aKind;
bdi.value = kThemeButtonOff;
bdi.adornment = kThemeAdornmentNone;
if (aParams.disabled) {
bdi.state = kThemeStateUnavailable;
} else if (aParams.insideActiveWindow && aParams.pressedButton) {