| /* |
| * Copyright (C) 2010 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. AND ITS CONTRIBUTORS ``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 ITS 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 "WebPopupMenu.h" |
| |
| #include "PlatformPopupMenuData.h" |
| #include <WebCore/Font.h> |
| #include <WebCore/GraphicsContext.h> |
| #include <WebCore/TextRun.h> |
| #include <WebCore/PopupMenuClient.h> |
| #include <WebCore/PopupMenuStyle.h> |
| #include <WebCore/RenderTheme.h> |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| static const int separatorPadding = 4; |
| static const int separatorHeight = 1; |
| static const int popupWindowBorderWidth = 1; |
| |
| void WebPopupMenu::setUpPlatformData(const WebCore::IntRect& pageCoordinates, PlatformPopupMenuData& data) |
| { |
| int itemCount = m_popupClient->listSize(); |
| |
| data.m_clientPaddingLeft = m_popupClient->clientPaddingLeft(); |
| data.m_clientPaddingRight = m_popupClient->clientPaddingRight(); |
| data.m_clientInsetLeft = m_popupClient->clientInsetLeft(); |
| data.m_clientInsetRight = m_popupClient->clientInsetRight(); |
| data.m_itemHeight = m_popupClient->menuStyle().font().fontMetrics().height() + 1; |
| |
| int popupWidth = 0; |
| for (size_t i = 0; i < itemCount; ++i) { |
| String text = m_popupClient->itemText(i); |
| if (text.isEmpty()) |
| continue; |
| |
| Font itemFont = m_popupClient->menuStyle().font(); |
| if (m_popupClient->itemIsLabel(i)) { |
| FontDescription d = itemFont.fontDescription(); |
| d.setWeight(d.bolderWeight()); |
| itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing()); |
| itemFont.update(m_popupClient->fontSelector()); |
| } |
| |
| popupWidth = std::max<float>(popupWidth, ceilf(itemFont.width(TextRun(text.characters(), text.length())))); |
| } |
| |
| // FIXME: popupWidth should probably take into account monitor constraints as is done with WebPopupMenuProxyWin::calculatePositionAndSize. |
| |
| popupWidth += max(0, data.m_clientPaddingRight - data.m_clientInsetRight) + max(0, data.m_clientPaddingLeft - data.m_clientInsetLeft); |
| popupWidth += 2 * popupWindowBorderWidth; |
| data.m_popupWidth = popupWidth; |
| |
| // The backing stores should be drawn at least as wide as the control on the page to match the width of the popup window we'll create. |
| int backingStoreWidth = max(pageCoordinates.width() - m_popupClient->clientInsetLeft() - m_popupClient->clientInsetRight(), popupWidth); |
| |
| IntSize backingStoreSize(backingStoreWidth, (itemCount * data.m_itemHeight)); |
| data.m_notSelectedBackingStore = ShareableBitmap::createShareable(backingStoreSize, ShareableBitmap::SupportsAlpha); |
| data.m_selectedBackingStore = ShareableBitmap::createShareable(backingStoreSize, ShareableBitmap::SupportsAlpha); |
| |
| OwnPtr<GraphicsContext> notSelectedBackingStoreContext = data.m_notSelectedBackingStore->createGraphicsContext(); |
| OwnPtr<GraphicsContext> selectedBackingStoreContext = data.m_selectedBackingStore->createGraphicsContext(); |
| |
| Color activeOptionBackgroundColor = RenderTheme::defaultTheme()->activeListBoxSelectionBackgroundColor(); |
| Color activeOptionTextColor = RenderTheme::defaultTheme()->activeListBoxSelectionForegroundColor(); |
| |
| for (int y = 0; y < backingStoreSize.height(); y += data.m_itemHeight) { |
| int index = y / data.m_itemHeight; |
| |
| PopupMenuStyle itemStyle = m_popupClient->itemStyle(index); |
| |
| Color optionBackgroundColor = itemStyle.backgroundColor(); |
| Color optionTextColor = itemStyle.foregroundColor(); |
| |
| IntRect itemRect(0, y, backingStoreWidth, data.m_itemHeight); |
| |
| // Draw the background for this menu item |
| if (itemStyle.isVisible()) { |
| notSelectedBackingStoreContext->fillRect(itemRect, optionBackgroundColor, ColorSpaceDeviceRGB); |
| selectedBackingStoreContext->fillRect(itemRect, activeOptionBackgroundColor, ColorSpaceDeviceRGB); |
| } |
| |
| if (m_popupClient->itemIsSeparator(index)) { |
| IntRect separatorRect(itemRect.x() + separatorPadding, itemRect.y() + (itemRect.height() - separatorHeight) / 2, itemRect.width() - 2 * separatorPadding, separatorHeight); |
| |
| notSelectedBackingStoreContext->fillRect(separatorRect, optionTextColor, ColorSpaceDeviceRGB); |
| selectedBackingStoreContext->fillRect(separatorRect, activeOptionTextColor, ColorSpaceDeviceRGB); |
| continue; |
| } |
| |
| String itemText = m_popupClient->itemText(index); |
| |
| unsigned length = itemText.length(); |
| const UChar* string = itemText.characters(); |
| TextRun textRun(string, length, false, 0, 0, TextRun::AllowTrailingExpansion, itemText.defaultWritingDirection() == WTF::Unicode::RightToLeft); |
| |
| notSelectedBackingStoreContext->setFillColor(optionTextColor, ColorSpaceDeviceRGB); |
| selectedBackingStoreContext->setFillColor(activeOptionTextColor, ColorSpaceDeviceRGB); |
| |
| Font itemFont = m_popupClient->menuStyle().font(); |
| if (m_popupClient->itemIsLabel(index)) { |
| FontDescription d = itemFont.fontDescription(); |
| d.setWeight(d.bolderWeight()); |
| itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing()); |
| itemFont.update(m_popupClient->fontSelector()); |
| } |
| |
| // Draw the item text |
| if (itemStyle.isVisible()) { |
| int textX = std::max(0, data.m_clientPaddingLeft - data.m_clientInsetLeft); |
| if (RenderTheme::defaultTheme()->popupOptionSupportsTextIndent() && itemStyle.textDirection() == LTR) |
| textX += itemStyle.textIndent().calcMinValue(itemRect.width()); |
| int textY = itemRect.y() + itemFont.fontMetrics().ascent() + (itemRect.height() - itemFont.fontMetrics().height()) / 2; |
| |
| notSelectedBackingStoreContext->drawBidiText(itemFont, textRun, IntPoint(textX, textY)); |
| selectedBackingStoreContext->drawBidiText(itemFont, textRun, IntPoint(textX, textY)); |
| } |
| } |
| } |
| |
| } // namespace WebKit |