зеркало из https://github.com/mozilla/gecko-dev.git
536 строки
20 KiB
C++
536 строки
20 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsResizerFrame.h"
|
|
#include "nsIContent.h"
|
|
#include "mozilla/PresShell.h"
|
|
#include "mozilla/dom/Document.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
#include "nsGkAtoms.h"
|
|
#include "nsNameSpaceManager.h"
|
|
|
|
#include "nsPresContext.h"
|
|
#include "nsFrameManager.h"
|
|
#include "nsDocShell.h"
|
|
#include "nsIDocShellTreeOwner.h"
|
|
#include "nsIBaseWindow.h"
|
|
#include "nsPIDOMWindow.h"
|
|
#include "mozilla/MouseEvents.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsMenuPopupFrame.h"
|
|
#include "nsIScreenManager.h"
|
|
#include "mozilla/dom/Element.h"
|
|
#include "mozilla/dom/MouseEventBinding.h"
|
|
#include "nsError.h"
|
|
#include "nsICSSDeclaration.h"
|
|
#include "nsStyledElement.h"
|
|
#include <algorithm>
|
|
|
|
using namespace mozilla;
|
|
|
|
//
|
|
// NS_NewResizerFrame
|
|
//
|
|
// Creates a new Resizer frame and returns it
|
|
//
|
|
nsIFrame* NS_NewResizerFrame(PresShell* aPresShell, ComputedStyle* aStyle) {
|
|
return new (aPresShell) nsResizerFrame(aStyle, aPresShell->GetPresContext());
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsResizerFrame)
|
|
|
|
nsResizerFrame::nsResizerFrame(ComputedStyle* aStyle,
|
|
nsPresContext* aPresContext)
|
|
: nsTitleBarFrame(aStyle, aPresContext, kClassID) {}
|
|
|
|
nsresult nsResizerFrame::HandleEvent(nsPresContext* aPresContext,
|
|
WidgetGUIEvent* aEvent,
|
|
nsEventStatus* aEventStatus) {
|
|
NS_ENSURE_ARG_POINTER(aEventStatus);
|
|
if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
|
|
return NS_OK;
|
|
}
|
|
|
|
AutoWeakFrame weakFrame(this);
|
|
bool doDefault = true;
|
|
|
|
switch (aEvent->mMessage) {
|
|
case eTouchStart:
|
|
case eMouseDown: {
|
|
if (aEvent->mClass == eTouchEventClass ||
|
|
(aEvent->mClass == eMouseEventClass &&
|
|
aEvent->AsMouseEvent()->mButton == MouseButton::eLeft)) {
|
|
nsCOMPtr<nsIBaseWindow> window;
|
|
mozilla::PresShell* presShell = aPresContext->GetPresShell();
|
|
nsIContent* contentToResize =
|
|
GetContentToResize(presShell, getter_AddRefs(window));
|
|
if (contentToResize) {
|
|
nsIFrame* frameToResize = contentToResize->GetPrimaryFrame();
|
|
if (!frameToResize) break;
|
|
|
|
// cache the content rectangle for the frame to resize
|
|
// GetScreenRectInAppUnits returns the border box rectangle, so
|
|
// adjust to get the desired content rectangle.
|
|
nsRect rect = frameToResize->GetScreenRectInAppUnits();
|
|
if (frameToResize->StylePosition()->mBoxSizing ==
|
|
StyleBoxSizing::Content) {
|
|
rect.Deflate(frameToResize->GetUsedBorderAndPadding());
|
|
}
|
|
|
|
mMouseDownRect = LayoutDeviceIntRect::FromAppUnitsToNearest(
|
|
rect, aPresContext->AppUnitsPerDevPixel());
|
|
doDefault = false;
|
|
} else {
|
|
// If there is no window, then resizing isn't allowed.
|
|
if (!window) break;
|
|
|
|
doDefault = false;
|
|
|
|
// ask the widget implementation to begin a resize drag if it can
|
|
Direction direction = GetDirection();
|
|
nsresult rv = aEvent->mWidget->BeginResizeDrag(
|
|
aEvent, direction.mHorizontal, direction.mVertical);
|
|
// for native drags, don't set the fields below
|
|
if (rv != NS_ERROR_NOT_IMPLEMENTED) break;
|
|
|
|
// if there's no native resize support, we need to do window
|
|
// resizing ourselves
|
|
window->GetPositionAndSize(&mMouseDownRect.x, &mMouseDownRect.y,
|
|
&mMouseDownRect.width,
|
|
&mMouseDownRect.height);
|
|
}
|
|
|
|
// remember current mouse coordinates
|
|
LayoutDeviceIntPoint refPoint;
|
|
if (!GetEventPoint(aEvent, refPoint)) return NS_OK;
|
|
mMouseDownPoint = refPoint + aEvent->mWidget->WidgetToScreenOffset();
|
|
|
|
// we're tracking
|
|
mTrackingMouseMove = true;
|
|
|
|
PresShell::SetCapturingContent(GetContent(),
|
|
CaptureFlags::IgnoreAllowedState);
|
|
}
|
|
} break;
|
|
|
|
case eTouchEnd:
|
|
case eMouseUp: {
|
|
if (aEvent->mClass == eTouchEventClass ||
|
|
(aEvent->mClass == eMouseEventClass &&
|
|
aEvent->AsMouseEvent()->mButton == MouseButton::eLeft)) {
|
|
// we're done tracking.
|
|
mTrackingMouseMove = false;
|
|
|
|
PresShell::ReleaseCapturingContent();
|
|
|
|
doDefault = false;
|
|
}
|
|
} break;
|
|
|
|
case eTouchMove:
|
|
case eMouseMove: {
|
|
if (mTrackingMouseMove) {
|
|
nsCOMPtr<nsIBaseWindow> window;
|
|
mozilla::PresShell* presShell = aPresContext->GetPresShell();
|
|
nsCOMPtr<nsIContent> contentToResize =
|
|
GetContentToResize(presShell, getter_AddRefs(window));
|
|
|
|
// check if the returned content really is a menupopup
|
|
nsMenuPopupFrame* menuPopupFrame = nullptr;
|
|
if (contentToResize) {
|
|
menuPopupFrame = do_QueryFrame(contentToResize->GetPrimaryFrame());
|
|
}
|
|
|
|
// both MouseMove and direction are negative when pointing to the
|
|
// top and left, and positive when pointing to the bottom and right
|
|
|
|
// retrieve the offset of the mousemove event relative to the mousedown.
|
|
// The difference is how much the resize needs to be
|
|
LayoutDeviceIntPoint refPoint;
|
|
if (!GetEventPoint(aEvent, refPoint)) return NS_OK;
|
|
LayoutDeviceIntPoint screenPoint =
|
|
refPoint + aEvent->mWidget->WidgetToScreenOffset();
|
|
LayoutDeviceIntPoint mouseMove(screenPoint - mMouseDownPoint);
|
|
|
|
// Determine which direction to resize by checking the dir attribute.
|
|
// For windows and menus, ensure that it can be resized in that
|
|
// direction.
|
|
Direction direction = GetDirection();
|
|
if (window || menuPopupFrame) {
|
|
if (menuPopupFrame) {
|
|
menuPopupFrame->CanAdjustEdges(
|
|
(direction.mHorizontal == -1) ? eSideLeft : eSideRight,
|
|
(direction.mVertical == -1) ? eSideTop : eSideBottom,
|
|
mouseMove);
|
|
}
|
|
} else if (!contentToResize) {
|
|
break; // don't do anything if there's nothing to resize
|
|
}
|
|
|
|
LayoutDeviceIntRect rect = mMouseDownRect;
|
|
|
|
// Check if there are any size constraints on this window.
|
|
widget::SizeConstraints sizeConstraints;
|
|
if (window) {
|
|
nsCOMPtr<nsIWidget> widget;
|
|
window->GetMainWidget(getter_AddRefs(widget));
|
|
sizeConstraints = widget->GetSizeConstraints();
|
|
}
|
|
|
|
AdjustDimensions(&rect.x, &rect.width, sizeConstraints.mMinSize.width,
|
|
sizeConstraints.mMaxSize.width, mouseMove.x,
|
|
direction.mHorizontal);
|
|
AdjustDimensions(&rect.y, &rect.height, sizeConstraints.mMinSize.height,
|
|
sizeConstraints.mMaxSize.height, mouseMove.y,
|
|
direction.mVertical);
|
|
|
|
// Don't allow resizing a window or a popup past the edge of the screen,
|
|
// so adjust the rectangle to fit within the available screen area.
|
|
if (window) {
|
|
nsCOMPtr<nsIScreen> screen;
|
|
nsCOMPtr<nsIScreenManager> sm(
|
|
do_GetService("@mozilla.org/gfx/screenmanager;1"));
|
|
if (sm) {
|
|
CSSIntRect frameRect = GetScreenRect();
|
|
// ScreenForRect requires display pixels, so scale from device pix
|
|
double scale;
|
|
window->GetUnscaledDevicePixelsPerCSSPixel(&scale);
|
|
sm->ScreenForRect(NSToIntRound(frameRect.x / scale),
|
|
NSToIntRound(frameRect.y / scale), 1, 1,
|
|
getter_AddRefs(screen));
|
|
if (screen) {
|
|
LayoutDeviceIntRect screenRect;
|
|
screen->GetRect(&screenRect.x, &screenRect.y, &screenRect.width,
|
|
&screenRect.height);
|
|
rect.IntersectRect(rect, screenRect);
|
|
}
|
|
}
|
|
} else if (menuPopupFrame) {
|
|
nsRect frameRect = menuPopupFrame->GetScreenRectInAppUnits();
|
|
nsIFrame* rootFrame = aPresContext->PresShell()->GetRootFrame();
|
|
nsRect rootScreenRect = rootFrame->GetScreenRectInAppUnits();
|
|
|
|
nsPopupLevel popupLevel = menuPopupFrame->PopupLevel();
|
|
int32_t appPerDev = aPresContext->AppUnitsPerDevPixel();
|
|
LayoutDeviceIntRect screenRect = menuPopupFrame->GetConstraintRect(
|
|
LayoutDeviceIntRect::FromAppUnitsToNearest(frameRect, appPerDev),
|
|
// round using ...ToInside as it's better to be a pixel too small
|
|
// than be too large. If the popup is too large it could get
|
|
// flipped to the opposite side of the anchor point while
|
|
// resizing.
|
|
LayoutDeviceIntRect::FromAppUnitsToInside(rootScreenRect,
|
|
appPerDev),
|
|
popupLevel);
|
|
rect.IntersectRect(rect, screenRect);
|
|
}
|
|
|
|
if (contentToResize) {
|
|
// convert the rectangle into css pixels. When changing the size in a
|
|
// direction, don't allow the new size to be less that the resizer's
|
|
// size. This ensures that content isn't resized too small as to make
|
|
// the resizer invisible.
|
|
nsRect appUnitsRect = ToAppUnits(rect.ToUnknownRect(),
|
|
aPresContext->AppUnitsPerDevPixel());
|
|
if (appUnitsRect.width < mRect.width && mouseMove.x)
|
|
appUnitsRect.width = mRect.width;
|
|
if (appUnitsRect.height < mRect.height && mouseMove.y)
|
|
appUnitsRect.height = mRect.height;
|
|
nsIntRect cssRect =
|
|
appUnitsRect.ToInsidePixels(AppUnitsPerCSSPixel());
|
|
|
|
LayoutDeviceIntRect oldRect;
|
|
AutoWeakFrame weakFrame(menuPopupFrame);
|
|
if (menuPopupFrame) {
|
|
nsCOMPtr<nsIWidget> widget = menuPopupFrame->GetWidget();
|
|
if (widget) oldRect = widget->GetScreenBounds();
|
|
|
|
// convert the new rectangle into outer window coordinates
|
|
LayoutDeviceIntPoint clientOffset = widget->GetClientOffset();
|
|
rect.x -= clientOffset.x;
|
|
rect.y -= clientOffset.y;
|
|
}
|
|
|
|
SizeInfo sizeInfo, originalSizeInfo;
|
|
sizeInfo.width.AppendInt(cssRect.width);
|
|
sizeInfo.height.AppendInt(cssRect.height);
|
|
ResizeContent(contentToResize, direction, sizeInfo,
|
|
&originalSizeInfo);
|
|
MaybePersistOriginalSize(contentToResize, originalSizeInfo);
|
|
|
|
// Move the popup to the new location unless it is anchored, since
|
|
// the position shouldn't change. nsMenuPopupFrame::SetPopupPosition
|
|
// will instead ensure that the popup's position is anchored at the
|
|
// right place.
|
|
if (weakFrame.IsAlive() &&
|
|
(oldRect.x != rect.x || oldRect.y != rect.y) &&
|
|
(!menuPopupFrame->IsAnchored() ||
|
|
menuPopupFrame->PopupLevel() != ePopupLevelParent)) {
|
|
CSSPoint cssPos =
|
|
rect.TopLeft() / aPresContext->CSSToDevPixelScale();
|
|
menuPopupFrame->MoveTo(RoundedToInt(cssPos), true);
|
|
}
|
|
} else {
|
|
window->SetPositionAndSize(
|
|
rect.x, rect.y, rect.width, rect.height,
|
|
nsIBaseWindow::eRepaint); // do the repaint.
|
|
}
|
|
|
|
doDefault = false;
|
|
}
|
|
} break;
|
|
|
|
case eMouseClick: {
|
|
WidgetMouseEvent* mouseEvent = aEvent->AsMouseEvent();
|
|
if (mouseEvent->IsLeftClickEvent()) {
|
|
MouseClicked(mouseEvent);
|
|
}
|
|
break;
|
|
}
|
|
case eMouseDoubleClick:
|
|
if (aEvent->AsMouseEvent()->mButton == MouseButton::eLeft) {
|
|
nsCOMPtr<nsIBaseWindow> window;
|
|
mozilla::PresShell* presShell = aPresContext->GetPresShell();
|
|
nsIContent* contentToResize =
|
|
GetContentToResize(presShell, getter_AddRefs(window));
|
|
if (contentToResize) {
|
|
nsMenuPopupFrame* menuPopupFrame =
|
|
do_QueryFrame(contentToResize->GetPrimaryFrame());
|
|
if (menuPopupFrame)
|
|
break; // Don't restore original sizing for menupopup frames until
|
|
// we handle screen constraints here. (Bug 357725)
|
|
|
|
RestoreOriginalSize(contentToResize);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (!doDefault) *aEventStatus = nsEventStatus_eConsumeNoDefault;
|
|
|
|
if (doDefault && weakFrame.IsAlive())
|
|
return nsTitleBarFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIContent* nsResizerFrame::GetContentToResize(mozilla::PresShell* aPresShell,
|
|
nsIBaseWindow** aWindow) {
|
|
*aWindow = nullptr;
|
|
|
|
nsAutoString elementid;
|
|
mContent->AsElement()->GetAttr(kNameSpaceID_None, nsGkAtoms::element,
|
|
elementid);
|
|
if (elementid.IsEmpty()) {
|
|
// If the resizer is in a popup, resize the popup's widget, otherwise
|
|
// resize the widget associated with the window.
|
|
nsIFrame* popup = GetParent();
|
|
while (popup) {
|
|
nsMenuPopupFrame* popupFrame = do_QueryFrame(popup);
|
|
if (popupFrame) {
|
|
return popupFrame->GetContent();
|
|
}
|
|
popup = popup->GetParent();
|
|
}
|
|
|
|
// don't allow resizing windows in content shells
|
|
if (!aPresShell->GetPresContext()->IsChrome()) {
|
|
// don't allow resizers in content shells, except for the viewport
|
|
// scrollbar which doesn't have a parent
|
|
nsIContent* nonNativeAnon =
|
|
mContent->FindFirstNonChromeOnlyAccessContent();
|
|
if (!nonNativeAnon || nonNativeAnon->GetParent()) {
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
// get the document and the window - should this be cached?
|
|
if (nsPIDOMWindowOuter* domWindow =
|
|
aPresShell->GetDocument()->GetWindow()) {
|
|
nsCOMPtr<nsIDocShell> docShell = domWindow->GetDocShell();
|
|
if (docShell) {
|
|
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
|
|
docShell->GetTreeOwner(getter_AddRefs(treeOwner));
|
|
if (treeOwner) {
|
|
CallQueryInterface(treeOwner, aWindow);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
if (elementid.EqualsLiteral("_parent")) {
|
|
// return the parent, but skip over native anonymous content
|
|
nsIContent* parent = mContent->GetParent();
|
|
return parent ? parent->FindFirstNonChromeOnlyAccessContent() : nullptr;
|
|
}
|
|
|
|
return aPresShell->GetDocument()->GetElementById(elementid);
|
|
}
|
|
|
|
void nsResizerFrame::AdjustDimensions(int32_t* aPos, int32_t* aSize,
|
|
int32_t aMinSize, int32_t aMaxSize,
|
|
int32_t aMovement,
|
|
int8_t aResizerDirection) {
|
|
int32_t oldSize = *aSize;
|
|
|
|
*aSize += aResizerDirection * aMovement;
|
|
// use one as a minimum size or the element could disappear
|
|
if (*aSize < 1) *aSize = 1;
|
|
|
|
// Constrain the size within the minimum and maximum size.
|
|
*aSize = std::max(aMinSize, std::min(aMaxSize, *aSize));
|
|
|
|
// For left and top resizers, the window must be moved left by the same
|
|
// amount that the window was resized.
|
|
if (aResizerDirection == -1) *aPos += oldSize - *aSize;
|
|
}
|
|
|
|
/* static */
|
|
void nsResizerFrame::ResizeContent(nsIContent* aContent,
|
|
const Direction& aDirection,
|
|
const SizeInfo& aSizeInfo,
|
|
SizeInfo* aOriginalSizeInfo) {
|
|
// for XUL elements, just set the width and height attributes. For
|
|
// other elements, set style.width and style.height
|
|
if (aContent->IsXULElement()) {
|
|
if (aOriginalSizeInfo) {
|
|
aContent->AsElement()->GetAttr(kNameSpaceID_None, nsGkAtoms::width,
|
|
aOriginalSizeInfo->width);
|
|
aContent->AsElement()->GetAttr(kNameSpaceID_None, nsGkAtoms::height,
|
|
aOriginalSizeInfo->height);
|
|
}
|
|
// only set the property if the element could have changed in that direction
|
|
if (aDirection.mHorizontal) {
|
|
aContent->AsElement()->SetAttr(kNameSpaceID_None, nsGkAtoms::width,
|
|
aSizeInfo.width, true);
|
|
}
|
|
if (aDirection.mVertical) {
|
|
aContent->AsElement()->SetAttr(kNameSpaceID_None, nsGkAtoms::height,
|
|
aSizeInfo.height, true);
|
|
}
|
|
} else {
|
|
nsCOMPtr<nsStyledElement> inlineStyleContent = do_QueryInterface(aContent);
|
|
if (inlineStyleContent) {
|
|
nsICSSDeclaration* decl = inlineStyleContent->Style();
|
|
|
|
if (aOriginalSizeInfo) {
|
|
decl->GetPropertyValue(NS_LITERAL_CSTRING("width"),
|
|
aOriginalSizeInfo->width);
|
|
decl->GetPropertyValue(NS_LITERAL_CSTRING("height"),
|
|
aOriginalSizeInfo->height);
|
|
}
|
|
|
|
// only set the property if the element could have changed in that
|
|
// direction
|
|
if (aDirection.mHorizontal) {
|
|
NS_ConvertUTF16toUTF8 widthstr(aSizeInfo.width);
|
|
if (!widthstr.IsEmpty() &&
|
|
!Substring(widthstr, widthstr.Length() - 2, 2).EqualsLiteral("px"))
|
|
widthstr.AppendLiteral("px");
|
|
decl->SetProperty(NS_LITERAL_CSTRING("width"), widthstr, EmptyString(),
|
|
IgnoreErrors());
|
|
}
|
|
if (aDirection.mVertical) {
|
|
NS_ConvertUTF16toUTF8 heightstr(aSizeInfo.height);
|
|
if (!heightstr.IsEmpty() &&
|
|
!Substring(heightstr, heightstr.Length() - 2, 2)
|
|
.EqualsLiteral("px"))
|
|
heightstr.AppendLiteral("px");
|
|
decl->SetProperty(NS_LITERAL_CSTRING("height"), heightstr,
|
|
EmptyString(), IgnoreErrors());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
void nsResizerFrame::MaybePersistOriginalSize(nsIContent* aContent,
|
|
const SizeInfo& aSizeInfo) {
|
|
nsresult rv;
|
|
|
|
aContent->GetProperty(nsGkAtoms::_moz_original_size, &rv);
|
|
if (rv != NS_PROPTABLE_PROP_NOT_THERE) return;
|
|
|
|
UniquePtr<SizeInfo> sizeInfo(new SizeInfo(aSizeInfo));
|
|
rv = aContent->SetProperty(nsGkAtoms::_moz_original_size, sizeInfo.get(),
|
|
nsINode::DeleteProperty<nsResizerFrame::SizeInfo>);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
Unused << sizeInfo.release();
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
void nsResizerFrame::RestoreOriginalSize(nsIContent* aContent) {
|
|
nsresult rv;
|
|
SizeInfo* sizeInfo = static_cast<SizeInfo*>(
|
|
aContent->GetProperty(nsGkAtoms::_moz_original_size, &rv));
|
|
if (NS_FAILED(rv)) return;
|
|
|
|
NS_ASSERTION(sizeInfo, "We set a null sizeInfo!?");
|
|
Direction direction = {1, 1};
|
|
ResizeContent(aContent, direction, *sizeInfo, nullptr);
|
|
aContent->RemoveProperty(nsGkAtoms::_moz_original_size);
|
|
}
|
|
|
|
/* returns a Direction struct containing the horizontal and vertical direction
|
|
*/
|
|
nsResizerFrame::Direction nsResizerFrame::GetDirection() {
|
|
static const mozilla::dom::Element::AttrValuesArray strings[] = {
|
|
// clang-format off
|
|
nsGkAtoms::topleft, nsGkAtoms::top, nsGkAtoms::topright,
|
|
nsGkAtoms::left, nsGkAtoms::right,
|
|
nsGkAtoms::bottomleft, nsGkAtoms::bottom, nsGkAtoms::bottomright,
|
|
nsGkAtoms::bottomstart, nsGkAtoms::bottomend,
|
|
nullptr
|
|
// clang-format on
|
|
};
|
|
|
|
static const Direction directions[] = {
|
|
// clang-format off
|
|
{-1, -1}, {0, -1}, {1, -1},
|
|
{-1, 0}, {1, 0},
|
|
{-1, 1}, {0, 1}, {1, 1},
|
|
{-1, 1}, {1, 1}
|
|
// clang-format on
|
|
};
|
|
|
|
if (!GetContent()) {
|
|
return directions[0]; // default: topleft
|
|
}
|
|
|
|
int32_t index = mContent->AsElement()->FindAttrValueIn(
|
|
kNameSpaceID_None, nsGkAtoms::dir, strings, eCaseMatters);
|
|
if (index < 0) {
|
|
return directions[0]; // default: topleft
|
|
}
|
|
|
|
if (index >= 8) {
|
|
// Directions 8 and higher are RTL-aware directions and should reverse the
|
|
// horizontal component if RTL.
|
|
WritingMode wm = GetWritingMode();
|
|
if (wm.IsPhysicalRTL()) {
|
|
Direction direction = directions[index];
|
|
direction.mHorizontal *= -1;
|
|
return direction;
|
|
}
|
|
}
|
|
|
|
return directions[index];
|
|
}
|
|
|
|
void nsResizerFrame::MouseClicked(WidgetMouseEvent* aEvent) {
|
|
// Execute the oncommand event handler.
|
|
nsCOMPtr<nsIContent> content = mContent;
|
|
nsContentUtils::DispatchXULCommand(
|
|
content, false, nullptr, nullptr, aEvent->IsControl(), aEvent->IsAlt(),
|
|
aEvent->IsShift(), aEvent->IsMeta(), aEvent->mInputSource);
|
|
}
|