C++ SATWindow::GetWindow方法代码示例

void
WindowArea::_MoveToSAT(SATWindow* triggerWindow)
{
	SATWindow* topWindow = TopWindow();
	// if there is no window in the group we are done
	if (topWindow == NULL)
		return;

	BRect frameSAT(LeftVar()->Value() - kMakePositiveOffset,
		TopVar()->Value() - kMakePositiveOffset,
		RightVar()->Value() - kMakePositiveOffset,
		BottomVar()->Value() - kMakePositiveOffset);
	topWindow->AdjustSizeLimits(frameSAT);

	BRect frame = topWindow->CompleteWindowFrame();
	float deltaToX = round(frameSAT.left - frame.left);
	float deltaToY = round(frameSAT.top - frame.top);
	frame.OffsetBy(deltaToX, deltaToY);
	float deltaByX = round(frameSAT.right - frame.right);
	float deltaByY = round(frameSAT.bottom - frame.bottom);

	int32 workspace = triggerWindow->GetWindow()->CurrentWorkspace();
	Desktop* desktop = triggerWindow->GetWindow()->Desktop();
	desktop->MoveWindowBy(topWindow->GetWindow(), deltaToX, deltaToY,
		workspace);
	// Update frame to the new position
	desktop->ResizeWindowBy(topWindow->GetWindow(), deltaByX, deltaByY);

	UpdateSizeConstaints(frameSAT);
}

void
StackAndTile::WindowMinimized(Window* window, bool minimize)
{
	SATWindow* satWindow = GetSATWindow(window);
	if (satWindow == NULL)
		return;

	SATGroup* group = satWindow->GetGroup();
	if (group == NULL)
		return;

	Desktop* desktop = satWindow->GetWindow()->Desktop();
	if (desktop == NULL)
		return;

	for (int i = 0; i < group->CountItems(); i++) {
		SATWindow* listWindow = group->WindowAt(i);
		if (listWindow != satWindow)
			listWindow->GetWindow()->ServerWindow()->NotifyMinimize(minimize);
	}
}

bool
SATStacking::FindSnappingCandidates(SATGroup* group)
{
	_ClearSearchResult();

	Window* window = fSATWindow->GetWindow();
	if (!window->Decorator())
		return false;

	BPoint mousePosition;
	int32 buttons;
	fSATWindow->GetDesktop()->GetLastMouseState(&mousePosition, &buttons);
	if (!window->Decorator()->TitleBarRect().Contains(mousePosition))
		return false;

	// use the upper edge of the candidate window to find the parent window
	mousePosition.y = window->Decorator()->TitleBarRect().top;

	for (int i = 0; i < group->CountItems(); i++) {
		SATWindow* satWindow = group->WindowAt(i);
		// search for stacking parent
		Window* parentWindow = satWindow->GetWindow();
		if (parentWindow == window || parentWindow->Decorator() == NULL)
			continue;
		if (_IsStackableWindow(parentWindow) == false
			|| _IsStackableWindow(window) == false)
			continue;
		Decorator::Tab* tab = parentWindow->Decorator()->TabAt(
			parentWindow->PositionInStack());
		if (tab == NULL)
			continue;
		if (tab->tabRect.Contains(mousePosition)) {
			// remember window as the parent for stacking
			fStackingParent = satWindow;
			_HighlightWindows(true);
			return true;
		}
	}

	return false;
}

//.........这里部分代码省略.........
			if (currentGroup == NULL)
				return false;

			int32 groupSize = currentGroup->CountItems();
			if (groupSize <= 1)
				return false;

			for (int32 i = 0; i < groupSize; i++) {
				SATWindow* targetWindow = currentGroup->WindowAt(i);
				if (targetWindow == frontWindow) {
					if (key == kLeftArrowKey
						|| (key == kTabKey && (modifiers & B_SHIFT_KEY) != 0)) {
						// Go to previous window tab (wrap around)
						int32 previousIndex = i > 0 ? i - 1 : groupSize - 1;
						targetWindow = currentGroup->WindowAt(previousIndex);
					} else {
						// Go to next window tab (wrap around)
						int32 nextIndex = i < groupSize - 1 ? i + 1 : 0;
						targetWindow = currentGroup->WindowAt(nextIndex);
					}

					_ActivateWindow(targetWindow);
					return true;
				}
			}
			break;
		}

		case kUpArrowKey:
		case kPageUpKey:
		{
			// go to previous window group
			GroupIterator groups(this, fDesktop);
			groups.SetCurrentGroup(currentGroup);
			SATGroup* backmostGroup = NULL;

			while (true) {
				SATGroup* group = groups.NextGroup();
				if (group == NULL || group == currentGroup)
					break;
				else if (group->CountItems() < 1)
					continue;

				if (currentGroup == NULL) {
					SATWindow* activeWindow = group->ActiveWindow();
					if (activeWindow != NULL)
						_ActivateWindow(activeWindow);
					else
						_ActivateWindow(group->WindowAt(0));

					return true;
				}
				backmostGroup = group;
			}
			if (backmostGroup != NULL && backmostGroup != currentGroup) {
				SATWindow* activeWindow = backmostGroup->ActiveWindow();
				if (activeWindow != NULL)
					_ActivateWindow(activeWindow);
				else
					_ActivateWindow(backmostGroup->WindowAt(0));

				return true;
			}

			break;
		}

		case kDownArrowKey:
		case kPageDownKey:
		{
			// go to next window group
			GroupIterator groups(this, fDesktop);
			groups.SetCurrentGroup(currentGroup);

			while (true) {
				SATGroup* group = groups.NextGroup();
				if (group == NULL || group == currentGroup)
					break;
				else if (group->CountItems() < 1)
					continue;

				SATWindow* activeWindow = group->ActiveWindow();
				if (activeWindow != NULL)
					_ActivateWindow(activeWindow);
				else
					_ActivateWindow(group->WindowAt(0));

				if (currentGroup != NULL && frontWindow != NULL) {
					Window* window = frontWindow->GetWindow();
					fDesktop->SendWindowBehind(window);
					WindowSentBehind(window, NULL);
				}
				return true;
			}
			break;
		}
	}

	return false;
}

void
SATGroup::_EnsureGroupIsOnScreen(SATGroup* group)
{
	STRACE_SAT("SATGroup::_EnsureGroupIsOnScreen\n");
	if (!group)
		return;

	if (group->CountItems() < 1)
		return;

	SATWindow* window = group->WindowAt(0);
	Desktop* desktop = window->GetWindow()->Desktop();
	if (!desktop)
		return;

	const float kBigDistance = 1E+10;

	float minLeftDistance = kBigDistance;
	BRect leftRect;
	float minTopDistance = kBigDistance;
	BRect topRect;
	float minRightDistance = kBigDistance;
	BRect rightRect;
	float minBottomDistance = kBigDistance;
	BRect bottomRect;

	BRect screen = window->GetWindow()->Screen()->Frame();
	BRect reducedScreen = screen;
	reducedScreen.InsetBy(kMinOverlap, kMinOverlap);

	for (int i = 0; i < group->CountItems(); i++) {
		SATWindow* window = group->WindowAt(i);
		BRect frame = window->CompleteWindowFrame();
		if (reducedScreen.Intersects(frame))
			return;

		if (frame.right < screen.left + kMinOverlap) {
			float dist = fabs(screen.left - frame.right);
			if (dist < minLeftDistance) {
				minLeftDistance = dist;
				leftRect = frame;
			}
			else if (dist == minLeftDistance)
				leftRect = leftRect | frame;
		}
		if (frame.top > screen.bottom - kMinOverlap) {
			float dist = fabs(frame.top - screen.bottom);
			if (dist < minBottomDistance) {
				minBottomDistance = dist;
				bottomRect = frame;
			}
			else if (dist == minBottomDistance)
				bottomRect = bottomRect | frame;
		}
		if (frame.left > screen.right - kMinOverlap) {
			float dist = fabs(frame.left - screen.right);
			if (dist < minRightDistance) {
				minRightDistance = dist;
				rightRect = frame;
			}
			else if (dist == minRightDistance)
				rightRect = rightRect | frame;
		}
		if (frame.bottom < screen.top + kMinOverlap) {
			float dist = fabs(frame.bottom - screen.top);
			if (dist < minTopDistance) {
				minTopDistance = dist;
				topRect = frame;
			}
			else if (dist == minTopDistance)
				topRect = topRect | frame;
		}
	}

	BPoint offset;
	if (minLeftDistance < kBigDistance) {
		offset.x = screen.left - leftRect.right + kMoveToScreen;
		_CallculateYOffset(offset, leftRect, screen);
	}
	else if (minTopDistance < kBigDistance) {
		offset.y = screen.top - topRect.bottom + kMoveToScreen;
		_CallculateXOffset(offset, topRect, screen);
	}
	else if (minRightDistance < kBigDistance) {
		offset.x = screen.right - rightRect.left - kMoveToScreen;
		_CallculateYOffset(offset, rightRect, screen);
	}
	else if (minBottomDistance < kBigDistance) {
		offset.y = screen.bottom - bottomRect.top - kMoveToScreen;
		_CallculateXOffset(offset, bottomRect, screen);
	}

	if (offset.x == 0. && offset.y == 0.)
		return;
	STRACE_SAT("move group back to screen: offset x: %f offset y: %f\n",
		offset.x, offset.y);

	desktop->MoveWindowBy(window->GetWindow(), offset.x, offset.y);
	window->DoGroupLayout();
}