office-gobmx/starmath/inc/view.hxx
Xisco Fauli 10fbca7ebd starmath: use SAL_RET_MAYBENULL in GetEditWindow()
after 359e2be93a
"starmath: check GetEditWindow()"

Change-Id: I6a93c00a3b67338e7f2816d1ef31ccf7afe8555e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167865
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Tested-by: Jenkins
2024-05-27 17:29:10 +02:00

333 lines
9.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <sal/config.h>
#include <rtl/ref.hxx>
#include <sfx2/docinsert.hxx>
#include <sfx2/dockwin.hxx>
#include <sfx2/viewsh.hxx>
#include <sfx2/ctrlitem.hxx>
#include <sfx2/shell.hxx>
#include <sfx2/viewfrm.hxx>
#include <vcl/InterimItemWindow.hxx>
#include <vcl/timer.hxx>
#include "document.hxx"
#include "edit.hxx"
class SmViewShell;
class SmPrintUIOptions;
class SmGraphicAccessible;
class SmGraphicWidget;
constexpr sal_uInt16 MINZOOM = 25;
constexpr sal_uInt16 MAXZOOM = 800;
class SmGraphicWindow final : public InterimItemWindow
{
private:
Point aPixOffset; // offset to virtual window (pixel)
Size aTotPixSz; // total size of virtual window (pixel)
tools::Long nLinePixH; // size of a line/column (pixel)
tools::Long nColumnPixW;
sal_uInt16 nZoom;
std::unique_ptr<weld::ScrolledWindow> mxScrolledWindow;
std::unique_ptr<SmGraphicWidget> mxGraphic;
std::unique_ptr<weld::CustomWeld> mxGraphicWin;
DECL_LINK(ScrollHdl, weld::ScrolledWindow&, void);
public:
explicit SmGraphicWindow(SmViewShell& rShell);
virtual void dispose() override;
virtual ~SmGraphicWindow() override;
virtual bool IsStarMath() const override { return true; }
void SetTotalSize(const Size& rNewSize);
Size GetTotalSize() const;
void SetZoom(sal_uInt16 Factor);
sal_uInt16 GetZoom() const { return nZoom; }
void ZoomToFitInWindow();
virtual void Resize() override;
void ShowContextMenu(const CommandEvent& rCEvt);
void SetGraphicMapMode(const MapMode& rNewMapMode);
MapMode GetGraphicMapMode() const;
SmGraphicWidget& GetGraphicWidget()
{
return *mxGraphic;
}
const SmGraphicWidget& GetGraphicWidget() const
{
return *mxGraphic;
}
};
class SmGraphicWidget final : public weld::CustomWidgetController
{
public:
bool IsCursorVisible() const
{
return bIsCursorVisible;
}
void ShowCursor(bool bShow);
bool IsLineVisible() const
{
return bIsLineVisible;
}
void ShowLine(bool bShow);
const SmNode * SetCursorPos(sal_uInt16 nRow, sal_uInt16 nCol);
explicit SmGraphicWidget(SmViewShell& rShell, SmGraphicWindow& rGraphicWindow);
virtual ~SmGraphicWidget() override;
// CustomWidgetController
virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override;
virtual bool MouseButtonDown(const MouseEvent &rMEvt) override;
virtual bool MouseMove(const MouseEvent &rMEvt) override;
virtual void GetFocus() override;
virtual void LoseFocus() override;
virtual bool KeyInput(const KeyEvent& rKEvt) override;
void SetTotalSize();
SmViewShell& GetView() { return mrViewShell; }
SmDocShell* GetDoc();
SmCursor& GetCursor();
const Point& GetFormulaDrawPos() const
{
return aFormulaDrawPos;
}
// for Accessibility
virtual css::uno::Reference<css::accessibility::XAccessible> CreateAccessible() override;
SmGraphicAccessible* GetAccessible_Impl()
{
return mxAccessible.get();
}
OutputDevice& GetOutputDevice()
{
assert(GetDrawingArea());
return GetDrawingArea()->get_ref_device();
}
private:
void SetIsCursorVisible(bool bVis);
void SetCursor(const SmNode *pNode);
void SetCursor(const tools::Rectangle &rRect);
virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&) override;
virtual bool Command(const CommandEvent& rCEvt) override;
void RepaintViewShellDoc();
DECL_LINK(CaretBlinkTimerHdl, Timer *, void);
void CaretBlinkInit();
void CaretBlinkStart();
void CaretBlinkStop();
SmGraphicWindow& mrGraphicWindow;
Point aFormulaDrawPos;
// old style editing pieces
tools::Rectangle aCursorRect;
bool bIsCursorVisible;
bool bIsLineVisible;
AutoTimer aCaretBlinkTimer;
rtl::Reference<SmGraphicAccessible> mxAccessible;
SmViewShell& mrViewShell;
double mfLastZoomScale = 0;
double mfAccumulatedZoom = 0;
};
class SmGraphicController final : public SfxControllerItem
{
SmGraphicWidget &rGraphic;
public:
SmGraphicController(SmGraphicWidget &, sal_uInt16, SfxBindings & );
virtual void StateChangedAtToolBoxControl(sal_uInt16 nSID,
SfxItemState eState,
const SfxPoolItem* pState) override;
};
class SmEditController final : public SfxControllerItem
{
SmEditWindow &rEdit;
public:
SmEditController(SmEditWindow &, sal_uInt16, SfxBindings & );
virtual void StateChangedAtToolBoxControl(sal_uInt16 nSID, SfxItemState eState, const SfxPoolItem* pState) override;
};
class SmCmdBoxWindow final : public SfxDockingWindow
{
std::unique_ptr<SmEditWindow, o3tl::default_delete<SmEditWindow>> m_xEdit;
SmEditController aController;
bool bExiting;
Timer aInitialFocusTimer;
DECL_LINK(InitialFocusTimerHdl, Timer *, void);
virtual Size CalcDockingSize(SfxChildAlignment eAlign) override;
virtual SfxChildAlignment CheckAlignment(SfxChildAlignment eActual,
SfxChildAlignment eWish) override;
virtual void ToggleFloatingMode() override;
public:
SmCmdBoxWindow(SfxBindings *pBindings,
SfxChildWindow *pChildWindow,
Window *pParent);
virtual ~SmCmdBoxWindow () override;
virtual void dispose() override;
// Window
virtual void GetFocus() override;
virtual void StateChanged( StateChangedType nStateChange ) override;
virtual void Command(const CommandEvent& rCEvt) override;
Point WidgetToWindowPos(const weld::Widget& rWidget, const Point& rPos);
void ShowContextMenu(const Point& rPos);
void AdjustPosition();
SmEditWindow& GetEditWindow()
{
return *m_xEdit;
}
SmViewShell* GetView();
};
class SmCmdBoxWrapper final : public SfxChildWindow
{
SFX_DECL_CHILDWINDOW_WITHID(SmCmdBoxWrapper);
SmCmdBoxWrapper(vcl::Window* pParentWindow, sal_uInt16 nId, SfxBindings* pBindings, SfxChildWinInfo* pInfo);
public:
SmEditWindow& GetEditWindow()
{
return static_cast<SmCmdBoxWindow *>(GetWindow())->GetEditWindow();
}
};
namespace sfx2 { class FileDialogHelper; }
class SmViewShell final : public SfxViewShell
{
std::unique_ptr<sfx2::DocumentInserter> mpDocInserter;
std::unique_ptr<SfxRequest> mpRequest;
VclPtr<SmGraphicWindow> mxGraphicWindow;
SmGraphicController maGraphicController;
OUString maStatusText;
bool mbPasteState;
DECL_LINK( DialogClosedHdl, sfx2::FileDialogHelper*, void );
virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) override;
virtual SfxPrinter *GetPrinter(bool bCreate = false) override;
virtual sal_uInt16 SetPrinter(SfxPrinter *pNewPrinter,
SfxPrinterChangeFlags nDiffFlags = SFX_PRINTER_ALL) override;
void Insert( SfxMedium& rMedium );
void InsertFrom(SfxMedium &rMedium);
virtual bool HasPrintOptionsPage() const override;
virtual std::unique_ptr<SfxTabPage> CreatePrintOptionsPage(weld::Container* pPage, weld::DialogController* pController,
const SfxItemSet &rOptions) override;
virtual void Deactivate(bool IsMDIActivate) override;
virtual void Activate(bool IsMDIActivate) override;
virtual void InnerResizePixel(const Point &rOfs, const Size &rSize, bool inplaceEditModeChange) override;
virtual void OuterResizePixel(const Point &rOfs, const Size &rSize) override;
virtual void QueryObjAreaPixel( tools::Rectangle& rRect ) const override;
virtual void SetZoomFactor( const Fraction &rX, const Fraction &rY ) override;
virtual std::optional<OString> getLOKPayload(int nType, int nViewId) const override;
public:
SmViewShell(SfxViewFrame& rFrame, SfxViewShell *pOldSh);
virtual ~SmViewShell() override;
SmDocShell * GetDoc() const
{
return static_cast<SmDocShell *>( GetViewFrame().GetObjectShell() );
}
SAL_RET_MAYBENULL SmEditWindow * GetEditWindow();
SmGraphicWidget& GetGraphicWidget()
{
return mxGraphicWindow->GetGraphicWidget();
}
const SmGraphicWidget& GetGraphicWidget() const
{
return mxGraphicWindow->GetGraphicWidget();
}
SmGraphicWindow& GetGraphicWindow()
{
return *mxGraphicWindow;
}
void SetStatusText(const OUString& rText);
void ShowError( const SmErrorDesc *pErrorDesc );
void NextError();
void PrevError();
SFX_DECL_INTERFACE(SFX_INTERFACE_SMA_START+SfxInterfaceId(2))
SFX_DECL_VIEWFACTORY(SmViewShell);
void SendCaretToLOK() const;
void InvalidateSlots();
private:
/// SfxInterface initializer.
static void InitInterface_Impl();
public:
void Execute( SfxRequest& rReq );
void GetState(SfxItemSet &);
static bool IsInlineEditEnabled();
// Opens the main help page for the Math module
void StartMainHelp();
private:
void ZoomByItemSet(const SfxItemSet *pSet);
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */