author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2006, 2008 Apple Inc. All rights reserved. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#import "config.h" |
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#import "PopupMenu.h" |
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#import "AXObjectCache.h" |
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#import "Chrome.h" |
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#import "ChromeClient.h" |
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#import "EventHandler.h" |
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#import "Frame.h" |
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#import "FrameView.h" |
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#import "HTMLNames.h" |
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#import "HTMLOptGroupElement.h" |
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#import "HTMLOptionElement.h" |
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#import "HTMLSelectElement.h" |
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#import "Page.h" |
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#import "SimpleFontData.h" |
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#import "WebCoreSystemInterface.h" |
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namespace WebCore { |
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using namespace HTMLNames; |
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PopupMenu::PopupMenu(PopupMenuClient* client) |
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: m_popupClient(client) |
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{ |
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} |
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PopupMenu::~PopupMenu() |
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{ |
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if (m_popup) |
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[m_popup.get() setControlView:nil]; |
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} |
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void PopupMenu::clear() |
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{ |
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if (m_popup) |
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[m_popup.get() removeAllItems]; |
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} |
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void PopupMenu::populate() |
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{ |
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if (m_popup) |
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clear(); |
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else { |
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m_popup = [[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:!client()->shouldPopOver()]; |
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[m_popup.get() release]; // release here since the RetainPtr has retained the object already |
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[m_popup.get() setUsesItemFromMenu:NO]; |
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[m_popup.get() setAutoenablesItems:NO]; |
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} |
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BOOL messagesEnabled = [[m_popup.get() menu] menuChangedMessagesEnabled]; |
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[[m_popup.get() menu] setMenuChangedMessagesEnabled:NO]; |
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|
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// For pullDown menus the first item is hidden. |
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if (!client()->shouldPopOver()) |
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[m_popup.get() addItemWithTitle:@""]; |
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ASSERT(client()); |
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int size = client()->listSize(); |
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for (int i = 0; i < size; i++) { |
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if (client()->itemIsSeparator(i)) |
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[[m_popup.get() menu] addItem:[NSMenuItem separatorItem]]; |
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else { |
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PopupMenuStyle style = client()->itemStyle(i); |
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NSMutableDictionary* attributes = [[NSMutableDictionary alloc] init]; |
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if (style.font() != Font()) { |
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NSFont *font = style.font().primaryFont()->getNSFont(); |
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if (!font) { |
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CGFloat size = style.font().primaryFont()->platformData().size(); |
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font = style.font().weight() < FontWeightBold ? [NSFont systemFontOfSize:size] : [NSFont boldSystemFontOfSize:size]; |
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} |
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[attributes setObject:font forKey:NSFontAttributeName]; |
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} |
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// FIXME: Add support for styling the foreground and background colors. |
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// FIXME: Find a way to customize text color when an item is highlighted. |
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NSAttributedString* string = [[NSAttributedString alloc] initWithString:client()->itemText(i) attributes:attributes]; |
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[attributes release]; |
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|
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[m_popup.get() addItemWithTitle:@""]; |
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NSMenuItem* menuItem = [m_popup.get() lastItem]; |
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[menuItem setAttributedTitle:string]; |
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[menuItem setEnabled:client()->itemIsEnabled(i)]; |
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102 |
[menuItem setToolTip:client()->itemToolTip(i)]; |
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103 |
[string release]; |
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104 |
|
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105 |
// Allow the accessible text of the item to be overriden if necessary. |
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if (AXObjectCache::accessibilityEnabled()) { |
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NSString *accessibilityOverride = client()->itemAccessibilityText(i); |
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if ([accessibilityOverride length]) |
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[menuItem accessibilitySetOverrideValue:accessibilityOverride forAttribute:NSAccessibilityDescriptionAttribute]; |
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110 |
} |
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111 |
} |
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112 |
} |
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113 |
|
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[[m_popup.get() menu] setMenuChangedMessagesEnabled:messagesEnabled]; |
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115 |
} |
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116 |
|
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void PopupMenu::show(const IntRect& r, FrameView* v, int index) |
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118 |
{ |
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populate(); |
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int numItems = [m_popup.get() numberOfItems]; |
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if (numItems <= 0) { |
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if (client()) |
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client()->popupDidHide(); |
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return; |
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125 |
} |
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ASSERT(numItems > index); |
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127 |
|
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128 |
// Workaround for crazy bug where a selected index of -1 for a menu with only 1 item will cause a blank menu. |
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if (index == -1 && numItems == 2 && !client()->shouldPopOver() && ![[m_popup.get() itemAtIndex:1] isEnabled]) |
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index = 0; |
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131 |
|
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132 |
NSView* view = v->documentView(); |
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133 |
|
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[m_popup.get() attachPopUpWithFrame:r inView:view]; |
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[m_popup.get() selectItemAtIndex:index]; |
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136 |
|
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NSMenu* menu = [m_popup.get() menu]; |
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138 |
|
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139 |
NSPoint location; |
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NSFont* font = client()->menuStyle().font().primaryFont()->getNSFont(); |
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141 |
|
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// These values were borrowed from AppKit to match their placement of the menu. |
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const int popOverHorizontalAdjust = -10; |
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const int popUnderHorizontalAdjust = 6; |
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const int popUnderVerticalAdjust = 6; |
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146 |
if (client()->shouldPopOver()) { |
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NSRect titleFrame = [m_popup.get() titleRectForBounds:r]; |
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if (titleFrame.size.width <= 0 || titleFrame.size.height <= 0) |
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titleFrame = r; |
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float vertOffset = roundf((NSMaxY(r) - NSMaxY(titleFrame)) + NSHeight(titleFrame)); |
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// Adjust for fonts other than the system font. |
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NSFont* defaultFont = [NSFont systemFontOfSize:[font pointSize]]; |
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vertOffset += [font descender] - [defaultFont descender]; |
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vertOffset = fminf(NSHeight(r), vertOffset); |
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155 |
|
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location = NSMakePoint(NSMinX(r) + popOverHorizontalAdjust, NSMaxY(r) - vertOffset); |
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} else |
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location = NSMakePoint(NSMinX(r) + popUnderHorizontalAdjust, NSMaxY(r) + popUnderVerticalAdjust); |
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159 |
|
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// Save the current event that triggered the popup, so we can clean up our event |
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// state after the NSMenu goes away. |
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RefPtr<Frame> frame = v->frame(); |
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NSEvent* event = [frame->eventHandler()->currentNSEvent() retain]; |
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164 |
|
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165 |
RefPtr<PopupMenu> protector(this); |
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166 |
|
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RetainPtr<NSView> dummyView(AdoptNS, [[NSView alloc] initWithFrame:r]); |
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[view addSubview:dummyView.get()]; |
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location = [dummyView.get() convertPoint:location fromView:view]; |
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170 |
|
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171 |
if (Page* page = frame->page()) |
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page->chrome()->client()->willPopUpMenu(menu); |
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173 |
wkPopupMenu(menu, location, roundf(NSWidth(r)), dummyView.get(), index, font); |
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174 |
|
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[m_popup.get() dismissPopUp]; |
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176 |
[dummyView.get() removeFromSuperview]; |
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177 |
|
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if (client()) { |
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int newIndex = [m_popup.get() indexOfSelectedItem]; |
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client()->popupDidHide(); |
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181 |
|
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// Adjust newIndex for hidden first item. |
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183 |
if (!client()->shouldPopOver()) |
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184 |
newIndex--; |
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185 |
|
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186 |
if (index != newIndex && newIndex >= 0) |
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187 |
client()->valueChanged(newIndex); |
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|
188 |
|
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189 |
// Give the frame a chance to fix up its event state, since the popup eats all the |
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190 |
// events during tracking. |
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frame->eventHandler()->sendFakeEventsAfterWidgetTracking(event); |
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192 |
} |
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193 |
|
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194 |
[event release]; |
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195 |
} |
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196 |
|
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197 |
void PopupMenu::hide() |
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198 |
{ |
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199 |
[m_popup.get() dismissPopUp]; |
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200 |
} |
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201 |
|
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202 |
void PopupMenu::updateFromElement() |
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203 |
{ |
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} |
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bool PopupMenu::itemWritingDirectionIsNatural() |
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{ |
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return true; |
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} |