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| -rw-r--r-- | sd/source/ui/inc/Window.hxx | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/sd/source/ui/inc/Window.hxx b/sd/source/ui/inc/Window.hxx new file mode 100644 index 000000000..f1beddbc6 --- /dev/null +++ b/sd/source/ui/inc/Window.hxx @@ -0,0 +1,213 @@ +/* -*- 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 <tools/gen.hxx> +#include <tools/long.hxx> +#include <vcl/window.hxx> +#include <vcl/transfer.hxx> + +class OutlinerView; + +namespace sd +{ +class ViewShell; + +/** An SdWindow contains the actual working area of ViewShell. + + <p>The zoom factor used by this class controls how much the page and the + shapes on it are scaled down (<100%) or up (>100%) when displayed on the + output device represented by the <type>OutputDevice</type>base class. A + zoom factor of 100% would result (with a correctly set DPI value for an + output device) in a one to one mapping of the internal coordinates that + are stored in 100th of mm. The zoom factor is stored in the map mode + member of the <type>OutputDevice</type> base class. It is calculated to + be an integer percent value. +*/ +class Window : public vcl::Window, public ::DropTargetHelper +{ +public: + Window(vcl::Window* pParent); + virtual ~Window() override; + virtual void dispose() override; + + void SetViewShell(ViewShell* pViewSh); + ViewShell* GetViewShell(); + + /** Set the zoom factor to the specified value and center the display + area around the zoom center. + @param nZoom + The zoom factor is given as integral percent value. + */ + void SetZoomIntegral(::tools::Long nZoom); + + /** This internally used method performs the actual adaptation of the + window's map mode to the specified zoom factor. + @param nZoom + The zoom factor is given as integral percent value. + @return + When the given zoom factor lies outside the valid range enclosed + by the minimal zoom factor previously calculated by + <member>CalcMinZoom</member> and a constant upper value it is + forced into that interval. Therefore the returned value is a + valid zoom factor. + */ + ::tools::Long SetZoomFactor(::tools::Long nZoom); + + /** This method is called when the whole page shall be displayed in the + window. Position and zoom factor are set so that the given + rectangle is displayed as large as possible in the window while at + the same time maintaining the rectangle's aspect ratio and adding a + small space at all its four sides (about 3% of width and height). + The map mode is adapted accordingly. + @param rZoomRect + The rectangle is expected to be given relative to the upper left + corner of the window in logical coordinates (100th of mm). + @return + The new zoom factor is returned as integral percent value. + */ + ::tools::Long SetZoomRect(const ::tools::Rectangle& rZoomRect); + + ::tools::Long GetZoomForRect(const ::tools::Rectangle& rZoomRect); + + void SetMinZoomAutoCalc(bool bAuto); + + /** Calculate the minimal zoom factor as the value at which the + application area would completely fill the window. All values set + manually or programmatically are set to this value if they are + smaller. If the currently used zoom factor is smaller than the minimal zoom + factor than set the minimal zoom factor as the new current zoom + factor. + + <p>This calculation is performed only when the + <member>bMinZoomAutoCalc</member> is set (to <TRUE/>).</p> + */ + void CalcMinZoom(); + void SetMinZoom(::tools::Long nMin); + ::tools::Long GetMinZoom() const { return mnMinZoom; } + void SetMaxZoom(::tools::Long nMax); + ::tools::Long GetMaxZoom() const { return mnMaxZoom; } + + ::tools::Long GetZoom() const; + + const Point& GetWinViewPos() const { return maWinPos; } + const Point& GetViewOrigin() const { return maViewOrigin; } + const Size& GetViewSize() const { return maViewSize; } + void SetWinViewPos(const Point& rPnt); + void SetViewOrigin(const Point& rPnt); + void SetViewSize(const Size& rSize); + void SetCenterAllowed(bool bIsAllowed); + + /** Calculate origin of the map mode according to the size of the view + and window (its size in model coordinates; that takes the zoom + factor into account), and the bCenterAllowed flag. When it is not + set then nothing is changed. When in any direction the window is + larger than the view or the value of aWinPos in this direction is -1 + then the window is centered in this direction. + */ + void UpdateMapOrigin(bool bInvalidate = true); + + void UpdateMapMode(); + + double GetVisibleX() const; // interface for ScrollBars + double GetVisibleY() const; + void SetVisibleXY(double fX, double fY); + double GetVisibleWidth() const; + double GetVisibleHeight() const; + Point GetVisibleCenter(); + double GetScrlLineWidth() const; + double GetScrlLineHeight() const; + double GetScrlPageWidth() const; + double GetScrlPageHeight() const; + void GrabFocus(); + virtual void DataChanged(const DataChangedEvent& rDCEvt) override; + + // DropTargetHelper + virtual sal_Int8 AcceptDrop(const AcceptDropEvent& rEvt) override; + virtual sal_Int8 ExecuteDrop(const ExecuteDropEvent& rEvt) override; + + /** The DropScroll() method is used by AcceptDrop() to scroll the + content of the window while dragging and dropping. With this method + you can control whether DropScroll() shall be used. + */ + void SetUseDropScroll(bool bUseDropScroll); + void DropScroll(const Point& rMousePos); + virtual void KeyInput(const KeyEvent& rKEvt) override; + +private: + OutlinerView* GetOutlinerView() const; + +protected: + Point maWinPos; + Point maViewOrigin; + Size maViewSize; + Size maPrevSize; // contains previous window size in logical coords + sal_uInt16 mnMinZoom; + sal_uInt16 mnMaxZoom; + + /** This flag tells whether to re-calculate the minimal zoom factor + depending on the current zoom factor. Its default value is now false. + */ + bool mbMinZoomAutoCalc; + bool mbCenterAllowed; + ::tools::Long mnTicks; + + ViewShell* mpViewShell; + bool mbUseDropScroll; + + virtual void Resize() override; + virtual void PrePaint(vcl::RenderContext& rRenderContext) override; + virtual void Paint(vcl::RenderContext& rRenderContext, + const ::tools::Rectangle& rRect) override; + virtual void MouseMove(const MouseEvent& rMEvt) override; + virtual void MouseButtonUp(const MouseEvent& rMEvt) override; + virtual void MouseButtonDown(const MouseEvent& rMEvt) override; + virtual void Command(const CommandEvent& rCEvt) override; + virtual void RequestHelp(const HelpEvent& rEvt) override; + virtual void LoseFocus() override; + virtual bool EventNotify(NotifyEvent& rNEvt) override; + + /** Create an accessibility object that makes this window accessible. + + @return + The returned reference is empty if an accessible object could + not be created. + */ + virtual css::uno::Reference<css::accessibility::XAccessible> CreateAccessible() override; + + OUString GetSurroundingText() const override; + Selection GetSurroundingTextSelection() const override; + bool DeleteSurroundingText(const Selection& rSelection) override; + + /// @see Window::LogicInvalidate(). + void LogicInvalidate(const ::tools::Rectangle* pRectangle) override; + /// Same as MouseButtonDown(), but coordinates are in logic unit. + virtual void LogicMouseButtonDown(const MouseEvent& rMouseEvent) override; + /// Same as MouseButtonUp(), but coordinates are in logic unit. + virtual void LogicMouseButtonUp(const MouseEvent& rMouseEvent) override; + /// Same as MouseMove(), but coordinates are in logic unit. + virtual void LogicMouseMove(const MouseEvent& rMouseEvent) override; + + FactoryFunction GetUITestFactory() const override; +}; + +} // end of namespace sd + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |