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Diffstat (limited to 'WebCore/platform/win/ScrollbarThemeSafari.cpp')
-rw-r--r-- | WebCore/platform/win/ScrollbarThemeSafari.cpp | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/WebCore/platform/win/ScrollbarThemeSafari.cpp b/WebCore/platform/win/ScrollbarThemeSafari.cpp new file mode 100644 index 0000000..06a6533 --- /dev/null +++ b/WebCore/platform/win/ScrollbarThemeSafari.cpp @@ -0,0 +1,257 @@ +/* + * Copyright (C) 2008 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. + */ + +#include "config.h" +#include "ScrollbarThemeSafari.h" + +#if USE(SAFARI_THEME) + +#include "GraphicsContext.h" +#include "IntRect.h" +#include "Page.h" +#include "PlatformMouseEvent.h" +#include "Scrollbar.h" +#include "ScrollbarClient.h" +#include "ScrollbarThemeWin.h" +#include "Settings.h" +#include "SoftLinking.h" + +#include <CoreGraphics/CoreGraphics.h> + +// If you have an empty placeholder SafariThemeConstants.h, then include SafariTheme.h +// This is a workaround until a version of WebKitSupportLibrary is released with an updated SafariThemeConstants.h +#include <SafariTheme/SafariThemeConstants.h> +#ifndef SafariThemeConstants_h +#include <SafariTheme/SafariTheme.h> +#endif + +// FIXME: There are repainting problems due to Aqua scroll bar buttons' visual overflow. + +using namespace std; + +namespace WebCore { + +using namespace SafariTheme; + +ScrollbarTheme* ScrollbarTheme::nativeTheme() +{ + static ScrollbarThemeSafari safariTheme; + static ScrollbarThemeWin windowsTheme; + if (Settings::shouldPaintNativeControls()) + return &windowsTheme; + return &safariTheme; +} + +// FIXME: Get these numbers from CoreUI. +static int cScrollbarThickness[] = { 15, 11 }; +static int cRealButtonLength[] = { 28, 21 }; +static int cButtonInset[] = { 14, 11 }; +static int cButtonHitInset[] = { 3, 2 }; +// cRealButtonLength - cButtonInset +static int cButtonLength[] = { 14, 10 }; +static int cThumbMinLength[] = { 26, 20 }; + +#if !defined(NDEBUG) && defined(USE_DEBUG_SAFARI_THEME) +SOFT_LINK_DEBUG_LIBRARY(SafariTheme) +#else +SOFT_LINK_LIBRARY(SafariTheme) +#endif + +SOFT_LINK(SafariTheme, paintThemePart, void, __stdcall, + (ThemePart part, CGContextRef context, const CGRect& rect, NSControlSize size, ThemeControlState state), + (part, context, rect, size, state)) + +static ScrollbarControlState scrollbarControlStateFromThemeState(ThemeControlState state) +{ + ScrollbarControlState s = 0; + if (state & ActiveState) + s |= ActiveScrollbarState; + if (state & EnabledState) + s |= EnabledScrollbarState; + if (state & PressedState) + s |= PressedScrollbarState; + return s; +} + +ScrollbarThemeSafari::~ScrollbarThemeSafari() +{ +} + +int ScrollbarThemeSafari::scrollbarThickness(ScrollbarControlSize controlSize) +{ + return cScrollbarThickness[controlSize]; +} + +bool ScrollbarThemeSafari::hasButtons(Scrollbar* scrollbar) +{ + return scrollbar->enabled() && (scrollbar->orientation() == HorizontalScrollbar ? + scrollbar->width() : + scrollbar->height()) >= 2 * (cRealButtonLength[scrollbar->controlSize()] - cButtonHitInset[scrollbar->controlSize()]); +} + +bool ScrollbarThemeSafari::hasThumb(Scrollbar* scrollbar) +{ + return scrollbar->enabled() && (scrollbar->orientation() == HorizontalScrollbar ? + scrollbar->width() : + scrollbar->height()) >= 2 * cButtonInset[scrollbar->controlSize()] + cThumbMinLength[scrollbar->controlSize()] + 1; +} + +static IntRect buttonRepaintRect(const IntRect& buttonRect, ScrollbarOrientation orientation, ScrollbarControlSize controlSize, bool start) +{ + IntRect paintRect(buttonRect); + if (orientation == HorizontalScrollbar) { + paintRect.setWidth(cRealButtonLength[controlSize]); + if (!start) + paintRect.setX(buttonRect.x() - (cRealButtonLength[controlSize] - buttonRect.width())); + } else { + paintRect.setHeight(cRealButtonLength[controlSize]); + if (!start) + paintRect.setY(buttonRect.y() - (cRealButtonLength[controlSize] - buttonRect.height())); + } + + return paintRect; +} + +IntRect ScrollbarThemeSafari::backButtonRect(Scrollbar* scrollbar, ScrollbarPart part, bool painting) +{ + IntRect result; + + // Windows just has single arrows. + if (part == BackButtonEndPart) + return result; + + int thickness = scrollbarThickness(scrollbar->controlSize()); + if (scrollbar->orientation() == HorizontalScrollbar) + result = IntRect(scrollbar->x(), scrollbar->y(), cButtonLength[scrollbar->controlSize()], thickness); + else + result = IntRect(scrollbar->x(), scrollbar->y(), thickness, cButtonLength[scrollbar->controlSize()]); + if (painting) + return buttonRepaintRect(result, scrollbar->orientation(), scrollbar->controlSize(), true); + return result; +} + +IntRect ScrollbarThemeSafari::forwardButtonRect(Scrollbar* scrollbar, ScrollbarPart part, bool painting) +{ + IntRect result; + + // Windows just has single arrows. + if (part == ForwardButtonStartPart) + return result; + + int thickness = scrollbarThickness(scrollbar->controlSize()); + if (scrollbar->orientation() == HorizontalScrollbar) + result = IntRect(scrollbar->x() + scrollbar->width() - cButtonLength[scrollbar->controlSize()], scrollbar->y(), cButtonLength[scrollbar->controlSize()], thickness); + else + result = IntRect(scrollbar->x(), scrollbar->y() + scrollbar->height() - cButtonLength[scrollbar->controlSize()], thickness, cButtonLength[scrollbar->controlSize()]); + if (painting) + return buttonRepaintRect(result, scrollbar->orientation(), scrollbar->controlSize(), false); + return result; +} + +static IntRect trackRepaintRect(const IntRect& trackRect, ScrollbarOrientation orientation, ScrollbarControlSize controlSize) +{ + IntRect paintRect(trackRect); + if (orientation == HorizontalScrollbar) + paintRect.inflateX(cButtonLength[controlSize]); + else + paintRect.inflateY(cButtonLength[controlSize]); + + return paintRect; +} + +IntRect ScrollbarThemeSafari::trackRect(Scrollbar* scrollbar, bool painting) +{ + if (painting || !hasButtons(scrollbar)) + return scrollbar->frameRect(); + + IntRect result; + int thickness = scrollbarThickness(scrollbar->controlSize()); + if (scrollbar->orientation() == HorizontalScrollbar) + return IntRect(scrollbar->x() + cButtonLength[scrollbar->controlSize()], scrollbar->y(), scrollbar->width() - 2 * cButtonLength[scrollbar->controlSize()], thickness); + return IntRect(scrollbar->x(), scrollbar->y() + cButtonLength[scrollbar->controlSize()], thickness, scrollbar->height() - 2 * cButtonLength[scrollbar->controlSize()]); +} + +int ScrollbarThemeSafari::minimumThumbLength(Scrollbar* scrollbar) +{ + return cThumbMinLength[scrollbar->controlSize()]; +} + +bool ScrollbarThemeSafari::shouldCenterOnThumb(Scrollbar*, const PlatformMouseEvent& evt) +{ + return evt.shiftKey() && evt.button() == LeftButton; +} + +void ScrollbarThemeSafari::paintTrackBackground(GraphicsContext* graphicsContext, Scrollbar* scrollbar, const IntRect& trackRect) +{ + if (!SafariThemeLibrary()) + return; + NSControlSize size = scrollbar->controlSize() == SmallScrollbar ? NSSmallControlSize : NSRegularControlSize; + ThemeControlState state = 0; + if (scrollbar->client()->isActive()) + state |= ActiveState; + if (hasButtons(scrollbar)) + state |= EnabledState; + paintThemePart(scrollbar->orientation() == VerticalScrollbar ? VScrollTrackPart : HScrollTrackPart, graphicsContext->platformContext(), trackRect, size, state); +} + +void ScrollbarThemeSafari::paintButton(GraphicsContext* graphicsContext, Scrollbar* scrollbar, const IntRect& buttonRect, ScrollbarPart part) +{ + if (!SafariThemeLibrary()) + return; + NSControlSize size = scrollbar->controlSize() == SmallScrollbar ? NSSmallControlSize : NSRegularControlSize; + ThemeControlState state = 0; + if (scrollbar->client()->isActive()) + state |= ActiveState; + if (hasButtons(scrollbar)) + state |= EnabledState; + if (scrollbar->pressedPart() == part) + state |= PressedState; + if (part == BackButtonStartPart) + paintThemePart(scrollbar->orientation() == VerticalScrollbar ? ScrollUpArrowPart : ScrollLeftArrowPart, graphicsContext->platformContext(), + buttonRect, size, state); + else if (part == ForwardButtonEndPart) + paintThemePart(scrollbar->orientation() == VerticalScrollbar ? ScrollDownArrowPart : ScrollRightArrowPart, graphicsContext->platformContext(), + buttonRect, size, state); +} + +void ScrollbarThemeSafari::paintThumb(GraphicsContext* graphicsContext, Scrollbar* scrollbar, const IntRect& thumbRect) +{ + if (!SafariThemeLibrary()) + return; + NSControlSize size = scrollbar->controlSize() == SmallScrollbar ? NSSmallControlSize : NSRegularControlSize; + ThemeControlState state = 0; + if (scrollbar->client()->isActive()) + state |= ActiveState; + if (hasThumb(scrollbar)) + state |= EnabledState; + if (scrollbar->pressedPart() == ThumbPart) + state |= PressedState; + paintThemePart(scrollbar->orientation() == VerticalScrollbar ? VScrollThumbPart : HScrollThumbPart, graphicsContext->platformContext(), + thumbRect, size, state); +} + +} + +#endif |