9874cd5efa
For now, just invalidate the whole dialog whenever any of the controls in the dialog get invalidated. Since during dialog painting, many such invalidations are triggered, don't listen to them when we are painting. Change-Id: Ia8fc12cf9469691d60e91ef770d687e5ff01a7ef
190 lines
7.6 KiB
C++
190 lines
7.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_CTRL_HXX
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#define INCLUDED_VCL_CTRL_HXX
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#include <tools/link.hxx>
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#include <tools/solar.h>
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#include <vcl/dllapi.h>
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#include <vcl/window.hxx>
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#include <vcl/salnativewidgets.hxx>
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// forward
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namespace vcl { struct ImplControlData; struct ControlLayoutData; }
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class StyleSettings;
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class VCL_DLLPUBLIC Control : public vcl::Window
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{
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protected:
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vcl::ImplControlData* mpControlData;
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private:
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bool mbHasControlFocus;
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bool mbShowAccelerator;
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Link<Control&,void> maGetFocusHdl;
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Link<Control&,void> maLoseFocusHdl;
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SAL_DLLPRIVATE void ImplInitControlData();
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virtual void LogicInvalidate(const tools::Rectangle* pRectangle) override;
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Control (const Control &) = delete;
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Control & operator= (const Control &) = delete;
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protected:
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Control( WindowType nType );
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virtual void FillLayoutData() const;
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// helper method for composite controls
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void AppendLayoutData( const Control& rSubControl ) const;
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/// creates the mpData->mpLayoutData structure
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void CreateLayoutData() const;
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/// determines whether we currently have layout data
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bool HasLayoutData() const;
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/** this calls both our event listeners, and a specified handler
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If the Control instance is destroyed during any of those calls, the
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method properly handles this (in particular, it doesn't crash :)
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@param nEvent
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the event to notify to our event listeners
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@param callHandler
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the lambda function that calls the handler
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@return
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if the Control instance has been destroyed in any of the call
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*/
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bool ImplCallEventListenersAndHandler(
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VclEventId nEvent, std::function<void()> const & callHandler
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);
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/** draws the given text onto the given device
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If no reference device is set, the draw request will simply be forwarded to OutputDevice::DrawText. Otherwise,
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the text will be rendered according to the metrics at the reference device.
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return will contain the result of a GetTextRect call (either directly
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at the target device, or taking the reference device into account) when
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returning.
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*/
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tools::Rectangle DrawControlText( OutputDevice& _rTargetDevice, const tools::Rectangle& _rRect,
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const OUString& _rStr, DrawTextFlags _nStyle,
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MetricVector* _pVector, OUString* _pDisplayText,
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const Size* i_pDeviceSize = nullptr ) const;
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tools::Rectangle GetControlTextRect( OutputDevice& _rTargetDevice, const tools::Rectangle & rRect,
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const OUString& _rStr, DrawTextFlags _nStyle,
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Size* o_pDeviceSize = nullptr ) const;
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virtual const vcl::Font&
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GetCanonicalFont( const StyleSettings& _rStyle ) const;
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virtual const Color&
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GetCanonicalTextColor( const StyleSettings& _rStyle ) const;
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void ImplInitSettings();
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virtual void ApplySettings(vcl::RenderContext& rRenderContext) override;
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public:
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SAL_DLLPRIVATE void ImplClearLayoutData() const;
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/** draws a frame around the give rectangle, onto the given device
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only to be used from within the Window::Draw method of your sub class.
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The frame is always drawn with a single line (without 3D effects). In addition, any mono
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color set at the control's settings is respected. Yet more additionally, if we're living
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in a themed desktop, this theming is ignored.
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Note that this makes sense, since the *only known* clients of Window::Draw
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are form controls, when printed or print-previewed. For form controls embedded in office documents,
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you don't want to have the theme look.
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@param pDev
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the device to draw onto
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@param rRect
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the rect for drawing the frame. Upon returning from the call, the rect will be inflated
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by the space occupied by the drawn pixels.
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*/
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SAL_DLLPRIVATE void ImplDrawFrame( OutputDevice* pDev, tools::Rectangle& rRect );
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public:
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explicit Control( vcl::Window* pParent, WinBits nWinStyle = 0 );
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virtual ~Control() override;
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virtual void dispose() override;
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virtual void EnableRTL ( bool bEnable = true ) override;
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virtual bool EventNotify( NotifyEvent& rNEvt ) override;
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virtual void StateChanged( StateChangedType nStateChange ) override;
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virtual void Resize() override;
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// invalidates layout data
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virtual void SetText( const OUString& rStr ) override;
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// gets the displayed text
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virtual OUString GetDisplayText() const override;
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// returns the bounding box for the character at index nIndex (in control coordinates)
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tools::Rectangle GetCharacterBounds( long nIndex ) const;
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// returns the character index for corresponding to rPoint (in control coordinates)
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// -1 is returned if no character is at that point
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long GetIndexForPoint( const Point& rPoint ) const;
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// returns the interval [start,end] of line nLine
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// returns [-1,-1] for an invalid line
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Pair GetLineStartEnd( long nLine ) const;
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/** ToRelativeLineIndex changes a layout data index to a count relative to its line.
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This is equivalent to getting the line start/end pairs with
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GetLineStartEnd() until the index lies within [start,end] of a line
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@param nIndex
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the absolute index inside the display text to be changed to a relative index
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@returns
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the relative index inside the displayed line or -1 if the absolute index does
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not match any line
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*/
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long ToRelativeLineIndex( long nIndex ) const;
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void SetGetFocusHdl( const Link<Control&,void>& rLink ) { maGetFocusHdl = rLink; }
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void SetLoseFocusHdl( const Link<Control&,void>& rLink ) { maLoseFocusHdl = rLink; }
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const Link<Control&,void>& GetLoseFocusHdl() const { return maLoseFocusHdl; }
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/** determines whether the control currently has the focus
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*/
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bool HasControlFocus() const { return mbHasControlFocus; }
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void SetLayoutDataParent( const Control* pParent ) const;
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virtual Size GetOptimalSize() const override;
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/** sets a reference device used for rendering control text
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@see DrawControlText
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*/
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void SetReferenceDevice( OutputDevice* _referenceDevice );
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OutputDevice* GetReferenceDevice() const;
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vcl::Font GetUnzoomedControlPointFont() const;
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void SetShowAccelerator (bool val);
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};
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#endif // INCLUDED_VCL_CTRL_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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