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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/mac/PopupMenuMac.mm | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/mac/PopupMenuMac.mm')
-rw-r--r-- | Source/WebCore/platform/mac/PopupMenuMac.mm | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/Source/WebCore/platform/mac/PopupMenuMac.mm b/Source/WebCore/platform/mac/PopupMenuMac.mm new file mode 100644 index 0000000..1bf500b --- /dev/null +++ b/Source/WebCore/platform/mac/PopupMenuMac.mm @@ -0,0 +1,213 @@ +/* + * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#import "config.h" +#import "PopupMenuMac.h" + +#import "AXObjectCache.h" +#import "Chrome.h" +#import "ChromeClient.h" +#import "EventHandler.h" +#import "Frame.h" +#import "FrameView.h" +#import "HTMLNames.h" +#import "HTMLOptGroupElement.h" +#import "HTMLOptionElement.h" +#import "HTMLSelectElement.h" +#import "Page.h" +#import "PopupMenuClient.h" +#import "SimpleFontData.h" +#import "WebCoreSystemInterface.h" + +namespace WebCore { + +using namespace HTMLNames; + +PopupMenuMac::PopupMenuMac(PopupMenuClient* client) + : m_popupClient(client) +{ +} + +PopupMenuMac::~PopupMenuMac() +{ + if (m_popup) + [m_popup.get() setControlView:nil]; +} + +void PopupMenuMac::clear() +{ + if (m_popup) + [m_popup.get() removeAllItems]; +} + +void PopupMenuMac::populate() +{ + if (m_popup) + clear(); + else { + m_popup = [[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:!client()->shouldPopOver()]; + [m_popup.get() release]; // release here since the RetainPtr has retained the object already + [m_popup.get() setUsesItemFromMenu:NO]; + [m_popup.get() setAutoenablesItems:NO]; + } + + BOOL messagesEnabled = [[m_popup.get() menu] menuChangedMessagesEnabled]; + [[m_popup.get() menu] setMenuChangedMessagesEnabled:NO]; + + // For pullDown menus the first item is hidden. + if (!client()->shouldPopOver()) + [m_popup.get() addItemWithTitle:@""]; + + ASSERT(client()); + int size = client()->listSize(); + + for (int i = 0; i < size; i++) { + if (client()->itemIsSeparator(i)) + [[m_popup.get() menu] addItem:[NSMenuItem separatorItem]]; + else { + PopupMenuStyle style = client()->itemStyle(i); + NSMutableDictionary* attributes = [[NSMutableDictionary alloc] init]; + if (style.font() != Font()) { + NSFont *font = style.font().primaryFont()->getNSFont(); + if (!font) { + CGFloat size = style.font().primaryFont()->platformData().size(); + font = style.font().weight() < FontWeightBold ? [NSFont systemFontOfSize:size] : [NSFont boldSystemFontOfSize:size]; + } + [attributes setObject:font forKey:NSFontAttributeName]; + } + // FIXME: Add support for styling the foreground and background colors. + // FIXME: Find a way to customize text color when an item is highlighted. + NSAttributedString* string = [[NSAttributedString alloc] initWithString:client()->itemText(i) attributes:attributes]; + [attributes release]; + + [m_popup.get() addItemWithTitle:@""]; + NSMenuItem* menuItem = [m_popup.get() lastItem]; + [menuItem setAttributedTitle:string]; + [menuItem setEnabled:client()->itemIsEnabled(i)]; + [menuItem setToolTip:client()->itemToolTip(i)]; + [string release]; + + // Allow the accessible text of the item to be overriden if necessary. + if (AXObjectCache::accessibilityEnabled()) { + NSString *accessibilityOverride = client()->itemAccessibilityText(i); + if ([accessibilityOverride length]) + [menuItem accessibilitySetOverrideValue:accessibilityOverride forAttribute:NSAccessibilityDescriptionAttribute]; + } + } + } + + [[m_popup.get() menu] setMenuChangedMessagesEnabled:messagesEnabled]; +} + +void PopupMenuMac::show(const IntRect& r, FrameView* v, int index) +{ + populate(); + int numItems = [m_popup.get() numberOfItems]; + if (numItems <= 0) { + if (client()) + client()->popupDidHide(); + return; + } + ASSERT(numItems > index); + + // Workaround for crazy bug where a selected index of -1 for a menu with only 1 item will cause a blank menu. + if (index == -1 && numItems == 2 && !client()->shouldPopOver() && ![[m_popup.get() itemAtIndex:1] isEnabled]) + index = 0; + + NSView* view = v->documentView(); + + [m_popup.get() attachPopUpWithFrame:r inView:view]; + [m_popup.get() selectItemAtIndex:index]; + + NSMenu* menu = [m_popup.get() menu]; + + NSPoint location; + NSFont* font = client()->menuStyle().font().primaryFont()->getNSFont(); + + // These values were borrowed from AppKit to match their placement of the menu. + const int popOverHorizontalAdjust = -10; + const int popUnderHorizontalAdjust = 6; + const int popUnderVerticalAdjust = 6; + if (client()->shouldPopOver()) { + NSRect titleFrame = [m_popup.get() titleRectForBounds:r]; + if (titleFrame.size.width <= 0 || titleFrame.size.height <= 0) + titleFrame = r; + float vertOffset = roundf((NSMaxY(r) - NSMaxY(titleFrame)) + NSHeight(titleFrame)); + // Adjust for fonts other than the system font. + NSFont* defaultFont = [NSFont systemFontOfSize:[font pointSize]]; + vertOffset += [font descender] - [defaultFont descender]; + vertOffset = fminf(NSHeight(r), vertOffset); + + location = NSMakePoint(NSMinX(r) + popOverHorizontalAdjust, NSMaxY(r) - vertOffset); + } else + location = NSMakePoint(NSMinX(r) + popUnderHorizontalAdjust, NSMaxY(r) + popUnderVerticalAdjust); + + // Save the current event that triggered the popup, so we can clean up our event + // state after the NSMenu goes away. + RefPtr<Frame> frame = v->frame(); + NSEvent* event = [frame->eventHandler()->currentNSEvent() retain]; + + RefPtr<PopupMenuMac> protector(this); + + RetainPtr<NSView> dummyView(AdoptNS, [[NSView alloc] initWithFrame:r]); + [view addSubview:dummyView.get()]; + location = [dummyView.get() convertPoint:location fromView:view]; + + if (Page* page = frame->page()) + page->chrome()->client()->willPopUpMenu(menu); + wkPopupMenu(menu, location, roundf(NSWidth(r)), dummyView.get(), index, font); + + [m_popup.get() dismissPopUp]; + [dummyView.get() removeFromSuperview]; + + if (client()) { + int newIndex = [m_popup.get() indexOfSelectedItem]; + client()->popupDidHide(); + + // Adjust newIndex for hidden first item. + if (!client()->shouldPopOver()) + newIndex--; + + if (index != newIndex && newIndex >= 0) + client()->valueChanged(newIndex); + + // Give the frame a chance to fix up its event state, since the popup eats all the + // events during tracking. + frame->eventHandler()->sendFakeEventsAfterWidgetTracking(event); + } + + [event release]; +} + +void PopupMenuMac::hide() +{ + [m_popup.get() dismissPopUp]; +} + +void PopupMenuMac::updateFromElement() +{ +} + +void PopupMenuMac::disconnectClient() +{ + m_popupClient = 0; +} + +} |