void IconSettings::resizeEvent (QResizeEvent){
ResizeContent(2);
return;
}
NS_IMETHODIMP
nsResizerFrame::HandleEvent(nsPresContext* aPresContext,
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus)
{
NS_ENSURE_ARG_POINTER(aEventStatus);
if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
return NS_OK;
}
nsWeakFrame weakFrame(this);
bool doDefault = true;
switch (aEvent->message) {
case NS_MOUSE_BUTTON_DOWN: {
if (aEvent->eventStructType == NS_MOUSE_EVENT &&
static_cast<nsMouseEvent*>(aEvent)->button == nsMouseEvent::eLeftButton)
{
nsCOMPtr<nsIBaseWindow> window;
nsIPresShell* 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();
switch (frameToResize->GetStylePosition()->mBoxSizing) {
case NS_STYLE_BOX_SIZING_CONTENT:
rect.Deflate(frameToResize->GetUsedPadding());
case NS_STYLE_BOX_SIZING_PADDING:
rect.Deflate(frameToResize->GetUsedBorder());
default:
break;
}
mMouseDownRect = rect.ToNearestPixels(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->widget->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);
}
// we're tracking
mTrackingMouseMove = true;
// remember current mouse coordinates
mMouseDownPoint = aEvent->refPoint + aEvent->widget->WidgetToScreenOffset();
nsIPresShell::SetCapturingContent(GetContent(), CAPTURE_IGNOREALLOWED);
}
}
break;
case NS_MOUSE_BUTTON_UP: {
if (mTrackingMouseMove && aEvent->eventStructType == NS_MOUSE_EVENT &&
static_cast<nsMouseEvent*>(aEvent)->button == nsMouseEvent::eLeftButton)
{
// we're done tracking.
mTrackingMouseMove = false;
nsIPresShell::SetCapturingContent(nsnull, 0);
doDefault = false;
}
}
break;
case NS_MOUSE_MOVE: {
if (mTrackingMouseMove)
{
nsCOMPtr<nsIBaseWindow> window;
nsIPresShell* presShell = aPresContext->GetPresShell();
nsCOMPtr<nsIContent> contentToResize =
GetContentToResize(presShell, getter_AddRefs(window));
// check if the returned content really is a menupopup
nsMenuPopupFrame* menuPopupFrame = nsnull;
if (contentToResize) {
nsIFrame* frameToResize = contentToResize->GetPrimaryFrame();
if (frameToResize && frameToResize->GetType() == nsGkAtoms::menuPopupFrame) {
menuPopupFrame = static_cast<nsMenuPopupFrame *>(frameToResize);
}
}
// 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
nsIntPoint screenPoint(aEvent->refPoint + aEvent->widget->WidgetToScreenOffset());
nsIntPoint 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) ? NS_SIDE_LEFT : NS_SIDE_RIGHT,
(direction.mVertical == -1) ? NS_SIDE_TOP : NS_SIDE_BOTTOM, mouseMove);
}
}
else if (!contentToResize) {
break; // don't do anything if there's nothing to resize
}
nsIntRect rect = mMouseDownRect;
AdjustDimensions(&rect.x, &rect.width, mouseMove.x, direction.mHorizontal);
AdjustDimensions(&rect.y, &rect.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) {
nsIntRect frameRect = GetScreenRect();
sm->ScreenForRect(frameRect.x, frameRect.y, 1, 1, getter_AddRefs(screen));
if (screen) {
nsIntRect 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()->FrameManager()->GetRootFrame();
nsRect rootScreenRect = rootFrame->GetScreenRectInAppUnits();
nsRect screenRect = menuPopupFrame->GetConstraintRect(frameRect, rootScreenRect);
// round using ToInsidePixels 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.
nsIntRect screenRectPixels = screenRect.ToInsidePixels(aPresContext->AppUnitsPerDevPixel());
rect.IntersectRect(rect, screenRectPixels);
}
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 = rect.ToAppUnits(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(nsPresContext::AppUnitsPerCSSPixel());
nsIntRect oldRect;
nsWeakFrame weakFrame(menuPopupFrame);
if (menuPopupFrame) {
nsCOMPtr<nsIWidget> widget = menuPopupFrame->GetWidget();
if (widget)
widget->GetScreenBounds(oldRect);
// convert the new rectangle into outer window coordinates
nsIntPoint 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);
if (weakFrame.IsAlive() &&
(oldRect.x != rect.x || oldRect.y != rect.y) &&
(!menuPopupFrame->IsAnchored() ||
menuPopupFrame->PopupLevel() != ePopupLevelParent)) {
menuPopupFrame->MoveTo(rect.x, rect.y, true);
}
}
else {
window->SetPositionAndSize(rect.x, rect.y, rect.width, rect.height, true); // do the repaint.
}
doDefault = false;
}
}
break;
case NS_MOUSE_CLICK:
if (NS_IS_MOUSE_LEFT_CLICK(aEvent))
{
MouseClicked(aPresContext, aEvent);
}
break;
case NS_MOUSE_DOUBLECLICK:
if (aEvent->eventStructType == NS_MOUSE_EVENT &&
static_cast<nsMouseEvent*>(aEvent)->button == nsMouseEvent::eLeftButton)
{
nsCOMPtr<nsIBaseWindow> window;
nsIPresShell* presShell = aPresContext->GetPresShell();
nsIContent* contentToResize =
GetContentToResize(presShell, getter_AddRefs(window));
if (contentToResize) {
nsIFrame* frameToResize = contentToResize->GetPrimaryFrame();
if (frameToResize && frameToResize->GetType() == nsGkAtoms::menuPopupFrame)
break; // Don't restore original sizing for menupopup frames until
// we handle screen constraints here. (Bug 357725)
RestoreOriginalSize(contentToResize);
}
}
break;
}
if (!doDefault)
*aEventStatus = nsEventStatus_eConsumeNoDefault;
if (doDefault && weakFrame.IsAlive())
return nsTitleBarFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
return NS_OK;
}
