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Diffstat (limited to 'vcl/source/control/InterimItemWindow.cxx')
| -rw-r--r-- | vcl/source/control/InterimItemWindow.cxx | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/vcl/source/control/InterimItemWindow.cxx b/vcl/source/control/InterimItemWindow.cxx new file mode 100644 index 0000000000..0769245eb4 --- /dev/null +++ b/vcl/source/control/InterimItemWindow.cxx @@ -0,0 +1,208 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * This file is part of the LibreOffice project. + * + * 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 <vcl/InterimItemWindow.hxx> +#include <vcl/layout.hxx> +#include <salobj.hxx> +#include <window.h> + +InterimItemWindow::InterimItemWindow(vcl::Window* pParent, const OUString& rUIXMLDescription, + const OUString& rID, bool bAllowCycleFocusOut, + sal_uInt64 nLOKWindowId) + : Control(pParent, WB_TABSTOP) + , m_pWidget(nullptr) // inheritors are expected to call InitControlBase + , m_aLayoutIdle("InterimItemWindow m_aLayoutIdle") +{ + m_aLayoutIdle.SetPriority(TaskPriority::RESIZE); + m_aLayoutIdle.SetInvokeHandler(LINK(this, InterimItemWindow, DoLayout)); + + m_xVclContentArea = VclPtr<VclVBox>::Create(this); + m_xVclContentArea->Show(); + m_xBuilder = Application::CreateInterimBuilder(m_xVclContentArea, rUIXMLDescription, + bAllowCycleFocusOut, nLOKWindowId); + m_xContainer = m_xBuilder->weld_container(rID); + + SetBackground(); + SetPaintTransparent(true); +} + +void InterimItemWindow::StateChanged(StateChangedType nStateChange) +{ + if (nStateChange == StateChangedType::Enable) + m_xContainer->set_sensitive(IsEnabled()); + Control::StateChanged(nStateChange); +} + +InterimItemWindow::~InterimItemWindow() { disposeOnce(); } + +void InterimItemWindow::dispose() +{ + m_pWidget = nullptr; + + m_xContainer.reset(); + m_xBuilder.reset(); + m_xVclContentArea.disposeAndClear(); + + m_aLayoutIdle.Stop(); + + Control::dispose(); +} + +void InterimItemWindow::StartIdleLayout() +{ + if (!m_xVclContentArea) + return; + if (m_aLayoutIdle.IsActive()) + return; + m_aLayoutIdle.Start(); +} + +void InterimItemWindow::queue_resize(StateChangedType eReason) +{ + Control::queue_resize(eReason); + StartIdleLayout(); +} + +void InterimItemWindow::Resize() { Layout(); } + +void InterimItemWindow::UnclipVisibleSysObj() +{ + if (!IsVisible()) + return; + vcl::Window* pChild = m_xVclContentArea->GetWindow(GetWindowType::FirstChild); + if (!pChild) + return; + WindowImpl* pWindowImpl = pChild->ImplGetWindowImpl(); + if (!pWindowImpl) + return; + if (!pWindowImpl->mpSysObj) + return; + pWindowImpl->mpSysObj->Show(true); + pWindowImpl->mpSysObj->ResetClipRegion(); + // flag that sysobj clip is dirty and needs to be recalculated on next use + pWindowImpl->mbInitWinClipRegion = true; +} + +IMPL_LINK_NOARG(InterimItemWindow, DoLayout, Timer*, void) { Layout(); } + +void InterimItemWindow::Layout() +{ + m_aLayoutIdle.Stop(); + vcl::Window* pChild = GetWindow(GetWindowType::FirstChild); + assert(pChild); + VclContainer::setLayoutAllocation(*pChild, Point(0, 0), GetSizePixel()); + Control::Resize(); +} + +Size InterimItemWindow::GetOptimalSize() const +{ + return VclContainer::getLayoutRequisition(*GetWindow(GetWindowType::FirstChild)); +} + +void InterimItemWindow::InvalidateChildSizeCache() +{ + // find the bottom vcl::Window of the hierarchy and queue_resize on that + // one will invalidate all the size caches upwards + vcl::Window* pChild = GetWindow(GetWindowType::FirstChild); + while (true) + { + vcl::Window* pSubChild = pChild->GetWindow(GetWindowType::FirstChild); + if (!pSubChild) + break; + pChild = pSubChild; + } + pChild->queue_resize(); +} + +bool InterimItemWindow::ControlHasFocus() const +{ + if (!m_pWidget) + return false; + return m_pWidget->has_focus(); +} + +void InterimItemWindow::InitControlBase(weld::Widget* pWidget) { m_pWidget = pWidget; } + +void InterimItemWindow::GetFocus() +{ + if (m_pWidget) + m_pWidget->grab_focus(); + + /* let toolbox know this item window has focus so it updates its mnHighItemId to point + to this toolitem in case tab means to move to another toolitem within + the toolbox + */ + vcl::Window* pToolBox = GetParent(); + NotifyEvent aNEvt(NotifyEventType::GETFOCUS, this); + pToolBox->EventNotify(aNEvt); +} + +bool InterimItemWindow::ChildKeyInput(const KeyEvent& rKEvt) +{ + sal_uInt16 nCode = rKEvt.GetKeyCode().GetCode(); + if (nCode != KEY_TAB) + return false; + + /* if the native widget has focus, then no vcl window has focus. + + We want to grab focus to this vcl widget so that pressing tab will traverse + to the next vcl widget. + + But just using GrabFocus will, because no vcl widget has focus, trigger + bringing the toplevel to front with the expectation that a suitable widget + will be picked for focus when that happen, which is no use to us here. + + SetFakeFocus avoids the problem, allowing GrabFocus to do the expected thing + then sending the Tab to our parent will do the right traversal + */ + SetFakeFocus(true); + GrabFocus(); + + /* now give focus to our toolbox parent */ + vcl::Window* pToolBox = GetParent(); + pToolBox->GrabFocus(); + + /* let toolbox know this item window has focus so it updates its mnHighItemId to point + to this toolitem in case tab means to move to another toolitem within + the toolbox + */ + NotifyEvent aNEvt(NotifyEventType::GETFOCUS, this); + pToolBox->EventNotify(aNEvt); + + /* send parent the tab */ + pToolBox->KeyInput(rKEvt); + + return true; +} + +void InterimItemWindow::Draw(OutputDevice* pDevice, const Point& rPos, + SystemTextColorFlags /*nFlags*/) +{ + m_xContainer->draw(*pDevice, rPos, GetSizePixel()); +} + +void InterimItemWindow::SetPriority(TaskPriority nPriority) +{ + // Eliminate warning when changing timer's priority + // Task::SetPriority() expects the timer to be stopped while + // changing the timer's priority. + bool bActive = m_aLayoutIdle.IsActive(); + if (bActive) + m_aLayoutIdle.Stop(); + m_aLayoutIdle.SetPriority(nPriority); + if (bActive) + m_aLayoutIdle.Start(); +} + +void InterimItemWindow::ImplPaintToDevice(::OutputDevice* pTargetOutDev, const Point& rPos) +{ + Draw(pTargetOutDev, rPos, SystemTextColorFlags::NONE); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |