blob: 5f2596fc0c27b0bed0d036d6655393e950dca8ec [file] [log] [blame]
/*
* 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 "platform/mac/ThemeMac.h"
#import <Carbon/Carbon.h>
#import "platform/graphics/GraphicsContextStateSaver.h"
#import "platform/mac/BlockExceptions.h"
#import "platform/mac/LocalCurrentGraphicsContext.h"
#import "platform/mac/WebCoreNSCellExtras.h"
#import "platform/scroll/ScrollableArea.h"
#include "wtf/StdLibExtras.h"
NSRect focusRingClipRect;
// This is a view whose sole purpose is to tell AppKit that it's flipped.
@interface WebCoreFlippedView : NSControl
@end
@implementation WebCoreFlippedView
- (BOOL)isFlipped
{
return YES;
}
- (NSText *)currentEditor
{
return nil;
}
- (BOOL)_automaticFocusRingDisabled
{
return YES;
}
- (NSRect)_focusRingVisibleRect
{
if (NSIsEmptyRect(focusRingClipRect))
return [self visibleRect];
NSRect rect = focusRingClipRect;
rect.origin.y = [self bounds].size.height - NSMaxY(rect);
return rect;
}
- (NSView *)_focusRingClipAncestor
{
return self;
}
@end
@implementation NSFont (WebCoreTheme)
- (NSString*)webCoreFamilyName
{
if ([[self familyName] hasPrefix:@"."])
return [self fontName];
return [self familyName];
}
@end
namespace blink {
Theme* platformTheme()
{
DEFINE_STATIC_LOCAL(ThemeMac, themeMac, ());
return &themeMac;
}
// Helper functions used by a bunch of different control parts.
static NSControlSize controlSizeForFont(const FontDescription& fontDescription)
{
int fontSize = fontDescription.computedPixelSize();
if (fontSize >= 16)
return NSRegularControlSize;
if (fontSize >= 11)
return NSSmallControlSize;
return NSMiniControlSize;
}
static LengthSize sizeFromNSControlSize(NSControlSize nsControlSize, const LengthSize& zoomedSize, float zoomFactor, const IntSize* 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 FontDescription& fontDescription, const LengthSize& zoomedSize, float zoomFactor, const IntSize* sizes)
{
return sizeFromNSControlSize(controlSizeForFont(fontDescription), zoomedSize, zoomFactor, sizes);
}
static ControlSize controlSizeFromPixelSize(const IntSize* sizes, const IntSize& minZoomedSize, float zoomFactor)
{
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;
}
static void setControlSize(NSCell* cell, const IntSize* 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, ControlStates states)
{
// Hover state is not supported by Aqua.
// Pressed state
bool oldPressed = [cell isHighlighted];
bool pressed = states & PressedControlState;
if (pressed != oldPressed)
[cell setHighlighted:pressed];
// Enabled state
bool oldEnabled = [cell isEnabled];
bool enabled = states & EnabledControlState;
if (enabled != oldEnabled)
[cell setEnabled:enabled];
#if BUTTON_CELL_DRAW_WITH_FRAME_DRAWS_FOCUS_RING
// Focused state
bool oldFocused = [cell showsFirstResponder];
bool focused = states & FocusControlState;
if (focused != oldFocused)
[cell setShowsFirstResponder:focused];
#endif
// Checked and Indeterminate
bool oldIndeterminate = [cell state] == NSMixedState;
bool indeterminate = (states & IndeterminateControlState);
bool checked = states & CheckedControlState;
bool oldChecked = [cell state] == NSOnState;
if (oldIndeterminate != indeterminate || checked != oldChecked)
[cell setState:indeterminate ? NSMixedState : (checked ? NSOnState : NSOffState)];
// 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, ControlStates states)
{
if (states & ReadOnlyControlState)
return kThemeStateUnavailableInactive;
if (!(states & EnabledControlState))
return kThemeStateUnavailableInactive;
// Do not process PressedState if !EnabledControlState or ReadOnlyControlState.
if (states & PressedControlState) {
if (kind == kThemeIncDecButton || kind == kThemeIncDecButtonSmall || kind == kThemeIncDecButtonMini)
return states & SpinUpControlState ? kThemeStatePressedUp : kThemeStatePressedDown;
return kThemeStatePressed;
}
return kThemeStateActive;
}
// static
IntRect ThemeMac::inflateRect(const IntRect& 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);
IntRect 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;
}
// static
IntRect ThemeMac::inflateRectForAA(const IntRect& rect) {
const int margin = 2;
return IntRect(rect.x() - margin, rect.y() - margin, rect.width() + 2 * margin, rect.height() + 2 * margin);
}
// static
IntRect ThemeMac::inflateRectForFocusRing(const IntRect& rect) {
#if BUTTON_CELL_DRAW_WITH_FRAME_DRAWS_FOCUS_RING
// Just put a margin of 16 units around the rect. The UI elements that use this don't appropriately
// scale their focus rings appropriately (e.g, paint pickers), or switch to non-native widgets when
// scaled (e.g, check boxes and radio buttons).
const int margin = 16;
IntRect result;
result.setX(rect.x() - margin);
result.setY(rect.y() - margin);
result.setWidth(rect.width() + 2 * margin);
result.setHeight(rect.height() + 2 * margin);
return result;
#else
return rect;
#endif
}
// Checkboxes
static const IntSize* checkboxSizes()
{
static const IntSize sizes[3] = { IntSize(14, 14), IntSize(12, 12), IntSize(10, 10) };
return sizes;
}
static const int* checkboxMargins(NSControlSize controlSize)
{
static const int margins[3][4] =
{
{ 3, 4, 4, 2 },
{ 4, 3, 3, 3 },
{ 4, 3, 3, 3 },
};
return margins[controlSize];
}
static LengthSize checkboxSize(const FontDescription& fontDescription, 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(fontDescription, zoomedSize, zoomFactor, checkboxSizes());
}
static NSButtonCell *checkbox(ControlStates states, const IntRect& zoomedRect, float zoomFactor)
{
static NSButtonCell *checkboxCell;
if (!checkboxCell) {
checkboxCell = [[NSButtonCell alloc] init];
[checkboxCell setButtonType:NSSwitchButton];
[checkboxCell setTitle:nil];
[checkboxCell setAllowsMixedState:YES];
[checkboxCell setFocusRingType:NSFocusRingTypeExterior];
}
// Set the control size based off the rectangle we're painting into.
setControlSize(checkboxCell, checkboxSizes(), zoomedRect.size(), zoomFactor);
// Update the various states we respond to.
updateStates(checkboxCell, states);
return checkboxCell;
}
// FIXME: Share more code with radio buttons.
static void paintCheckbox(ControlStates states, GraphicsContext* context, const IntRect& zoomedRect, float zoomFactor, ScrollableArea* scrollableArea)
{
BEGIN_BLOCK_OBJC_EXCEPTIONS
// Determine the width and height needed for the control and prepare the cell for painting.
NSButtonCell *checkboxCell = checkbox(states, zoomedRect, zoomFactor);
GraphicsContextStateSaver stateSaver(*context);
NSControlSize controlSize = [checkboxCell controlSize];
IntSize zoomedSize = checkboxSizes()[controlSize];
zoomedSize.setWidth(zoomedSize.width() * zoomFactor);
zoomedSize.setHeight(zoomedSize.height() * zoomFactor);
IntRect inflatedRect = ThemeMac::inflateRect(zoomedRect, zoomedSize, checkboxMargins(controlSize), zoomFactor);
if (zoomFactor != 1.0f) {
inflatedRect.setWidth(inflatedRect.width() / zoomFactor);
inflatedRect.setHeight(inflatedRect.height() / zoomFactor);
context->translate(inflatedRect.x(), inflatedRect.y());
context->scale(zoomFactor, zoomFactor);
context->translate(-inflatedRect.x(), -inflatedRect.y());
}
LocalCurrentGraphicsContext localContext(context, ThemeMac::inflateRectForFocusRing(inflatedRect));
NSView *view = ThemeMac::ensuredView(scrollableArea);
[checkboxCell drawWithFrame:NSRect(inflatedRect) inView:view];
#if !BUTTON_CELL_DRAW_WITH_FRAME_DRAWS_FOCUS_RING
if (states & FocusControlState)
[checkboxCell _web_drawFocusRingWithFrame:NSRect(inflatedRect) inView:view];
#endif
[checkboxCell setControlView:nil];
END_BLOCK_OBJC_EXCEPTIONS
}
// Radio Buttons
static const IntSize* radioSizes()
{
static const IntSize sizes[3] = { IntSize(14, 15), IntSize(12, 13), IntSize(10, 10) };
return sizes;
}
static const int* radioMargins(NSControlSize controlSize)
{
static const int margins[3][4] =
{
{ 2, 2, 4, 2 },
{ 3, 2, 3, 2 },
{ 1, 0, 2, 0 },
};
return margins[controlSize];
}
static LengthSize radioSize(const FontDescription& fontDescription, 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(fontDescription, zoomedSize, zoomFactor, radioSizes());
}
static NSButtonCell *radio(ControlStates states, const IntRect& zoomedRect, float zoomFactor)
{
static NSButtonCell *radioCell;
if (!radioCell) {
radioCell = [[NSButtonCell alloc] init];
[radioCell setButtonType:NSRadioButton];
[radioCell setTitle:nil];
[radioCell setFocusRingType:NSFocusRingTypeExterior];
}
// Set the control size based off the rectangle we're painting into.
setControlSize(radioCell, radioSizes(), zoomedRect.size(), zoomFactor);
// Update the various states we respond to.
// Cocoa draws NSMixedState NSRadioButton as NSOnState so we don't want that.
states &= ~IndeterminateControlState;
updateStates(radioCell, states);
return radioCell;
}
static void paintRadio(ControlStates states, GraphicsContext* context, const IntRect& zoomedRect, float zoomFactor, ScrollableArea* scrollableArea)
{
// Determine the width and height needed for the control and prepare the cell for painting.
NSButtonCell *radioCell = radio(states, zoomedRect, zoomFactor);
GraphicsContextStateSaver stateSaver(*context);
NSControlSize controlSize = [radioCell controlSize];
IntSize zoomedSize = radioSizes()[controlSize];
zoomedSize.setWidth(zoomedSize.width() * zoomFactor);
zoomedSize.setHeight(zoomedSize.height() * zoomFactor);
IntRect inflatedRect = ThemeMac::inflateRect(zoomedRect, zoomedSize, radioMargins(controlSize), zoomFactor);
if (zoomFactor != 1.0f) {
inflatedRect.setWidth(inflatedRect.width() / zoomFactor);
inflatedRect.setHeight(inflatedRect.height() / zoomFactor);
context->translate(inflatedRect.x(), inflatedRect.y());
context->scale(zoomFactor, zoomFactor);
context->translate(-inflatedRect.x(), -inflatedRect.y());
}
LocalCurrentGraphicsContext localContext(context, ThemeMac::inflateRectForFocusRing(inflatedRect));
BEGIN_BLOCK_OBJC_EXCEPTIONS
NSView *view = ThemeMac::ensuredView(scrollableArea);
[radioCell drawWithFrame:NSRect(inflatedRect) inView:view];
#if !BUTTON_CELL_DRAW_WITH_FRAME_DRAWS_FOCUS_RING
if (states & FocusControlState)
[radioCell _web_drawFocusRingWithFrame:NSRect(inflatedRect) inView:view];
#endif
[radioCell setControlView:nil];
END_BLOCK_OBJC_EXCEPTIONS
}
// Buttons
// Buttons really only constrain height. They respect width.
static const IntSize* buttonSizes()
{
static const IntSize sizes[3] = { 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];
}
static void setUpButtonCell(NSButtonCell *cell, ControlPart part, ControlStates states, const IntRect& zoomedRect, float zoomFactor)
{
// Set the control size based off the rectangle we're painting into.
const IntSize* sizes = buttonSizes();
if (part == SquareButtonPart || zoomedRect.height() > buttonSizes()[NSRegularControlSize].height() * zoomFactor) {
// Use the square button
if ([cell bezelStyle] != NSShadowlessSquareBezelStyle)
[cell setBezelStyle:NSShadowlessSquareBezelStyle];
} else if ([cell bezelStyle] != NSRoundedBezelStyle)
[cell setBezelStyle:NSRoundedBezelStyle];
setControlSize(cell, sizes, zoomedRect.size(), zoomFactor);
// Update the various states we respond to.
updateStates(cell, states);
}
static NSButtonCell *button(ControlPart part, ControlStates states, const IntRect& zoomedRect, float zoomFactor)
{
static NSButtonCell *cell = nil;
if (!cell) {
cell = [[NSButtonCell alloc] init];
[cell setTitle:nil];
[cell setButtonType:NSMomentaryPushInButton];
}
setUpButtonCell(cell, part, states, zoomedRect, zoomFactor);
return cell;
}
static void paintButton(ControlPart part, ControlStates states, GraphicsContext* context, const IntRect& zoomedRect, float zoomFactor, ScrollableArea* scrollableArea)
{
BEGIN_BLOCK_OBJC_EXCEPTIONS
// Determine the width and height needed for the control and prepare the cell for painting.
NSButtonCell *buttonCell = button(part, states, zoomedRect, 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);
IntRect 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 = ThemeMac::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(zoomFactor, zoomFactor);
context->translate(-inflatedRect.x(), -inflatedRect.y());
}
}
LocalCurrentGraphicsContext localContext(context, ThemeMac::inflateRectForFocusRing(inflatedRect));
NSView *view = ThemeMac::ensuredView(scrollableArea);
[buttonCell drawWithFrame:NSRect(inflatedRect) inView:view];
#if !BUTTON_CELL_DRAW_WITH_FRAME_DRAWS_FOCUS_RING
if (states & FocusControlState)
[buttonCell _web_drawFocusRingWithFrame:NSRect(inflatedRect) inView:view];
#endif
[buttonCell setControlView:nil];
END_BLOCK_OBJC_EXCEPTIONS
}
// Stepper
static const IntSize* stepperSizes()
{
static const IntSize sizes[3] = { 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 FontDescription& fontDescription)
{
int fontSize = fontDescription.computedPixelSize();
if (fontSize >= 27)
return NSRegularControlSize;
if (fontSize >= 22)
return NSSmallControlSize;
return NSMiniControlSize;
}
static void paintStepper(ControlStates states, GraphicsContext* context, const IntRect& zoomedRect, float zoomFactor, ScrollableArea*)
{
// 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(), zoomedRect.size(), zoomFactor);
if (controlSize == NSSmallControlSize)
drawInfo.kind = kThemeIncDecButtonSmall;
else if (controlSize == NSMiniControlSize)
drawInfo.kind = kThemeIncDecButtonMini;
else
drawInfo.kind = kThemeIncDecButton;
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(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 = clampTo<int>(bounds.size.height - backgroundBounds.size.height);
backgroundBounds.origin.y = bounds.origin.y + (heightDiff / 2) + 1;
}
LocalCurrentGraphicsContext localContext(context, rect);
HIThemeDrawButton(&backgroundBounds, &drawInfo, localContext.cgContext(), kHIThemeOrientationNormal, 0);
}
// This will ensure that we always return a valid NSView, even if FrameView doesn't have an associated document NSView.
// If the FrameView doesn't have an NSView, we will return a fake NSView whose sole purpose is to tell AppKit that it's flipped.
NSView *ThemeMac::ensuredView(ScrollableArea* frameView)
{
// Use a fake flipped view.
static NSView *flippedView = [[WebCoreFlippedView alloc] init];
[flippedView setFrameSize:NSSizeFromCGSize(frameView->contentsSize())];
return flippedView;
}
void ThemeMac::setFocusRingClipRect(const FloatRect& rect)
{
focusRingClipRect = rect;
}
// Theme overrides
int ThemeMac::baselinePositionAdjustment(ControlPart part) const
{
if (part == CheckboxPart || part == RadioPart)
return -2;
return Theme::baselinePositionAdjustment(part);
}
FontDescription ThemeMac::controlFont(ControlPart part, const FontDescription& fontDescription, float zoomFactor) const
{
switch (part) {
case PushButtonPart: {
FontDescription result;
result.setIsAbsoluteSize(true);
result.setGenericFamily(FontDescription::SerifFamily);
NSFont* nsFont = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:controlSizeForFont(fontDescription)]];
result.firstFamily().setFamily([nsFont webCoreFamilyName]);
result.setComputedSize([nsFont pointSize] * zoomFactor);
result.setSpecifiedSize([nsFont pointSize] * zoomFactor);
return result;
}
default:
return Theme::controlFont(part, fontDescription, zoomFactor);
}
}
LengthSize ThemeMac::controlSize(ControlPart part, const FontDescription& fontDescription, const LengthSize& zoomedSize, float zoomFactor) const
{
switch (part) {
case CheckboxPart:
return checkboxSize(fontDescription, zoomedSize, zoomFactor);
case RadioPart:
return radioSize(fontDescription, zoomedSize, zoomFactor);
case PushButtonPart:
// Height is reset to auto so that specified heights can be ignored.
return sizeFromFont(fontDescription, LengthSize(zoomedSize.width(), Length()), zoomFactor, buttonSizes());
case InnerSpinButtonPart:
if (!zoomedSize.width().isIntrinsicOrAuto() && !zoomedSize.height().isIntrinsicOrAuto())
return zoomedSize;
return sizeFromNSControlSize(stepperControlSizeForFont(fontDescription), zoomedSize, zoomFactor, stepperSizes());
default:
return zoomedSize;
}
}
LengthSize ThemeMac::minimumControlSize(ControlPart part, const FontDescription& fontDescription, float zoomFactor) const
{
switch (part) {
case SquareButtonPart:
case ButtonPart:
return LengthSize(Length(0, Fixed), Length(static_cast<int>(15 * zoomFactor), Fixed));
case InnerSpinButtonPart:{
IntSize base = stepperSizes()[NSMiniControlSize];
return LengthSize(Length(static_cast<int>(base.width() * zoomFactor), Fixed),
Length(static_cast<int>(base.height() * zoomFactor), Fixed));
}
default:
return Theme::minimumControlSize(part, fontDescription, zoomFactor);
}
}
LengthBox ThemeMac::controlBorder(ControlPart part, const FontDescription& fontDescription, const LengthBox& zoomedBox, float zoomFactor) const
{
switch (part) {
case SquareButtonPart:
case ButtonPart:
return LengthBox(0, zoomedBox.right().value(), 0, zoomedBox.left().value());
default:
return Theme::controlBorder(part, fontDescription, zoomedBox, zoomFactor);
}
}
LengthBox ThemeMac::controlPadding(ControlPart part, const FontDescription& fontDescription, 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(0, padding, 0, padding);
}
default:
return Theme::controlPadding(part, fontDescription, zoomedBox, zoomFactor);
}
}
void ThemeMac::inflateControlPaintRect(ControlPart part, ControlStates states, IntRect& zoomedRect, float zoomFactor) const
{
BEGIN_BLOCK_OBJC_EXCEPTIONS
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 = checkbox(states, zoomedRect, 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 = radio(states, zoomedRect, 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 ButtonPart: {
NSButtonCell *cell = button(part, states, zoomedRect, 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(), zoomedRect.size(), 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 IntRect& zoomedRect, float zoomFactor, ScrollableArea* scrollableArea) const
{
switch (part) {
case CheckboxPart:
paintCheckbox(states, context, zoomedRect, zoomFactor, scrollableArea);
break;
case RadioPart:
paintRadio(states, context, zoomedRect, zoomFactor, scrollableArea);
break;
case PushButtonPart:
case ButtonPart:
case SquareButtonPart:
paintButton(part, states, context, zoomedRect, zoomFactor, scrollableArea);
break;
case InnerSpinButtonPart:
paintStepper(states, context, zoomedRect, zoomFactor, scrollableArea);
break;
default:
break;
}
}
}