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Diffstat (limited to '')
| -rw-r--r-- | vcl/source/window/bubblewindow.cxx | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/vcl/source/window/bubblewindow.cxx b/vcl/source/window/bubblewindow.cxx new file mode 100644 index 000000000..1a4a46a3f --- /dev/null +++ b/vcl/source/window/bubblewindow.cxx @@ -0,0 +1,557 @@ +/* -*- 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 . + */ + +#include <rtl/ustrbuf.hxx> +#include <vcl/menubarupdateicon.hxx> +#include <vcl/lineinfo.hxx> +#include <vcl/settings.hxx> +#include <vcl/svapp.hxx> +#include <unotools/resmgr.hxx> +#include <bubblewindow.hxx> +#include <bitmaps.hlst> + +#define TIP_HEIGHT 15 +#define TIP_WIDTH 7 +#define TIP_RIGHT_OFFSET 18 +#define BUBBLE_BORDER 10 +#define TEXT_MAX_WIDTH 300 +#define TEXT_MAX_HEIGHT 200 + +BubbleWindow::BubbleWindow( vcl::Window* pParent, const OUString& rTitle, + const OUString& rText, const Image& rImage ) + : FloatingWindow( pParent, WB_SYSTEMWINDOW + | WB_OWNERDRAWDECORATION + | WB_NOBORDER + ) + , maBubbleTitle( rTitle ) + , maBubbleText( rText ) + , maBubbleImage( rImage ) + , maMaxTextSize( TEXT_MAX_WIDTH, TEXT_MAX_HEIGHT ) + , mnTipOffset( 0 ) +{ + SetBackground( Wallpaper( GetSettings().GetStyleSettings().GetHelpColor() ) ); +} + +void BubbleWindow::Resize() +{ + FloatingWindow::Resize(); + + Size aSize = GetSizePixel(); + + if ( ( aSize.Height() < 20 ) || ( aSize.Width() < 60 ) ) + return; + + tools::Rectangle aRect( 0, TIP_HEIGHT, aSize.Width(), aSize.Height() - TIP_HEIGHT ); + maRectPoly = tools::Polygon( aRect, 6, 6 ); + vcl::Region aRegion( maRectPoly ); + tools::Long nTipOffset = aSize.Width() - TIP_RIGHT_OFFSET + mnTipOffset; + + Point aPointArr[4]; + aPointArr[0] = Point( nTipOffset, TIP_HEIGHT ); + aPointArr[1] = Point( nTipOffset, 0 ); + aPointArr[2] = Point( nTipOffset + TIP_WIDTH , TIP_HEIGHT ); + aPointArr[3] = Point( nTipOffset, TIP_HEIGHT ); + maTriPoly = tools::Polygon( 4, aPointArr ); + vcl::Region aTriRegion( maTriPoly ); + + aRegion.Union( aTriRegion); + maBounds = aRegion; + + SetWindowRegionPixel( maBounds ); +} + +void BubbleWindow::SetTitleAndText( const OUString& rTitle, + const OUString& rText, + const Image& rImage ) +{ + maBubbleTitle = rTitle; + maBubbleText = rText; + maBubbleImage = rImage; + + Resize(); +} + +void BubbleWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/) +{ + LineInfo aThickLine( LineStyle::Solid, 2 ); + + rRenderContext.DrawPolyLine( maRectPoly, aThickLine ); + rRenderContext.DrawPolyLine( maTriPoly ); + + Color aOldLine = rRenderContext.GetLineColor(); + Size aSize = GetSizePixel(); + tools::Long nTipOffset = aSize.Width() - TIP_RIGHT_OFFSET + mnTipOffset; + + rRenderContext.SetLineColor( GetSettings().GetStyleSettings().GetHelpColor() ); + rRenderContext.DrawLine( Point( nTipOffset+2, TIP_HEIGHT ), + Point( nTipOffset + TIP_WIDTH -1 , TIP_HEIGHT ), + aThickLine ); + rRenderContext.SetLineColor( aOldLine ); + + Size aImgSize = maBubbleImage.GetSizePixel(); + + rRenderContext.DrawImage( Point( BUBBLE_BORDER, BUBBLE_BORDER + TIP_HEIGHT ), maBubbleImage ); + + vcl::Font aOldFont = GetFont(); + vcl::Font aBoldFont = aOldFont; + aBoldFont.SetWeight( WEIGHT_BOLD ); + + SetFont( aBoldFont ); + tools::Rectangle aTitleRect = maTitleRect; + aTitleRect.Move( aImgSize.Width(), 0 ); + rRenderContext.DrawText( aTitleRect, maBubbleTitle, DrawTextFlags::MultiLine | DrawTextFlags::WordBreak ); + + SetFont( aOldFont ); + tools::Rectangle aTextRect = maTextRect; + aTextRect.Move( aImgSize.Width(), 0 ); + rRenderContext.DrawText( aTextRect, maBubbleText, DrawTextFlags::MultiLine | DrawTextFlags::WordBreak ); +} + +void BubbleWindow::MouseButtonDown( const MouseEvent& ) +{ + Show( false ); +} + +void BubbleWindow::Show( bool bVisible ) +{ + if ( !bVisible ) + { + FloatingWindow::Show( bVisible ); + return; + } + + // don't show bubbles without a text + if ( ( maBubbleTitle.isEmpty() ) && ( maBubbleText.isEmpty() ) ) + return; + + Size aWindowSize = GetSizePixel(); + + Size aImgSize = maBubbleImage.GetSizePixel(); + + RecalcTextRects(); + + aWindowSize.setHeight( maTitleRect.GetHeight() * 7 / 4+ maTextRect.GetHeight() + + 3 * BUBBLE_BORDER + TIP_HEIGHT ); + + if ( maTitleRect.GetWidth() > maTextRect.GetWidth() ) + aWindowSize.setWidth( maTitleRect.GetWidth() ); + else + aWindowSize.setWidth( maTextRect.GetWidth() ); + + aWindowSize.setWidth( aWindowSize.Width() + 3 * BUBBLE_BORDER + aImgSize.Width() ); + + if ( aWindowSize.Height() < aImgSize.Height() + TIP_HEIGHT + 2 * BUBBLE_BORDER ) + aWindowSize.setHeight( aImgSize.Height() + TIP_HEIGHT + 2 * BUBBLE_BORDER ); + + Point aPos; + aPos.setX( maTipPos.X() - aWindowSize.Width() + TIP_RIGHT_OFFSET ); + aPos.setY( maTipPos.Y() ); + Point aScreenPos = GetParent()->OutputToAbsoluteScreenPixel( aPos ); + if ( aScreenPos.X() < 0 ) + { + mnTipOffset = aScreenPos.X(); + aPos.AdjustX( -mnTipOffset ); + } + SetPosSizePixel( aPos, aWindowSize ); + + FloatingWindow::Show( bVisible, ShowFlags::NoActivate ); +} + +void BubbleWindow::RecalcTextRects() +{ + Size aTotalSize; + bool bFinished = false; + vcl::Font aOldFont = GetFont(); + vcl::Font aBoldFont = aOldFont; + + aBoldFont.SetWeight( WEIGHT_BOLD ); + + while ( !bFinished ) + { + SetFont( aBoldFont ); + + maTitleRect = GetTextRect( tools::Rectangle( Point( 0, 0 ), maMaxTextSize ), + maBubbleTitle, + DrawTextFlags::MultiLine | DrawTextFlags::WordBreak ); + + SetFont( aOldFont ); + maTextRect = GetTextRect( tools::Rectangle( Point( 0, 0 ), maMaxTextSize ), + maBubbleText, + DrawTextFlags::MultiLine | DrawTextFlags::WordBreak ); + + if ( maTextRect.GetHeight() < 10 ) + maTextRect.setHeight( 10 ); + + aTotalSize.setHeight( maTitleRect.GetHeight() + + aBoldFont.GetFontHeight() * 3 / 4 + + maTextRect.GetHeight() + + 3 * BUBBLE_BORDER + TIP_HEIGHT ); + if ( aTotalSize.Height() > maMaxTextSize.Height() ) + { + maMaxTextSize.setWidth( maMaxTextSize.Width() * 3 / 2 ); + maMaxTextSize.setHeight( maMaxTextSize.Height() * 3 / 2 ); + } + else + bFinished = true; + } + maTitleRect.Move( 2*BUBBLE_BORDER, BUBBLE_BORDER + TIP_HEIGHT ); + maTextRect.Move( 2*BUBBLE_BORDER, BUBBLE_BORDER + TIP_HEIGHT + maTitleRect.GetHeight() + aBoldFont.GetFontHeight() * 3 / 4 ); +} + +MenuBarUpdateIconManager::MenuBarUpdateIconManager() + : maTimeoutTimer("MenuBarUpdateIconManager") + , maWaitIdle("vcl MenuBarUpdateIconManager maWaitIdle") + , mnIconID (0) + , mbShowMenuIcon(false) + , mbShowBubble(false) + , mbBubbleChanged( false ) +{ + maTimeoutTimer.SetTimeout( 10000 ); + maTimeoutTimer.SetInvokeHandler(LINK(this, MenuBarUpdateIconManager, TimeOutHdl)); + + maWaitIdle.SetPriority( TaskPriority::LOWEST ); + maWaitIdle.SetInvokeHandler(LINK(this, MenuBarUpdateIconManager, WaitTimeOutHdl)); + + maApplicationEventHdl = LINK(this, MenuBarUpdateIconManager, ApplicationEventHdl); + Application::AddEventListener( maApplicationEventHdl ); + + maWindowEventHdl = LINK(this, MenuBarUpdateIconManager, WindowEventHdl); +} + +VclPtr<BubbleWindow> MenuBarUpdateIconManager::GetBubbleWindow() +{ + if ( !mpIconSysWin ) + return nullptr; + + tools::Rectangle aIconRect = mpIconMBar->GetMenuBarButtonRectPixel( mnIconID ); + if( aIconRect.IsEmpty() ) + return nullptr; + + auto pBubbleWin = mpBubbleWin; + + if ( !pBubbleWin ) { + pBubbleWin = VclPtr<BubbleWindow>::Create( mpIconSysWin, maBubbleTitle, + maBubbleText, maBubbleImage ); + mbBubbleChanged = false; + } + else if ( mbBubbleChanged ) { + pBubbleWin->SetTitleAndText( maBubbleTitle, maBubbleText, + maBubbleImage ); + mbBubbleChanged = false; + } + + Point aWinPos = aIconRect.BottomCenter(); + + pBubbleWin->SetTipPosPixel( aWinPos ); + + return pBubbleWin; +} + +IMPL_LINK_NOARG(MenuBarUpdateIconManager, TimeOutHdl, Timer *, void) +{ + RemoveBubbleWindow( false ); +} + +IMPL_LINK(MenuBarUpdateIconManager, WindowEventHdl, VclWindowEvent&, rEvent, void) +{ + VclEventId nEventID = rEvent.GetId(); + + if ( VclEventId::ObjectDying == nEventID ) + { + if ( mpIconSysWin == rEvent.GetWindow() ) + { + mpIconSysWin->RemoveEventListener( maWindowEventHdl ); + RemoveBubbleWindow( true ); + } + } + else if ( VclEventId::WindowMenubarAdded == nEventID ) + { + vcl::Window *pWindow = rEvent.GetWindow(); + if ( pWindow ) + { + SystemWindow *pSysWin = pWindow->GetSystemWindow(); + if ( pSysWin ) + { + AddMenuBarIcon( pSysWin, false ); + } + } + } + else if ( VclEventId::WindowMenubarRemoved == nEventID ) + { + MenuBar *pMBar = static_cast<MenuBar*>(rEvent.GetData()); + if ( pMBar && ( pMBar == mpIconMBar ) ) + RemoveBubbleWindow( true ); + } + else if ( ( nEventID == VclEventId::WindowMove ) || + ( nEventID == VclEventId::WindowResize ) ) + { + if ( ( mpIconSysWin == rEvent.GetWindow() ) && + mpBubbleWin && ( mpIconMBar != nullptr ) ) + { + tools::Rectangle aIconRect = mpIconMBar->GetMenuBarButtonRectPixel( mnIconID ); + Point aWinPos = aIconRect.BottomCenter(); + mpBubbleWin->SetTipPosPixel( aWinPos ); + if ( mpBubbleWin->IsVisible() ) + mpBubbleWin->Show(); // This will recalc the screen position of the bubble + } + } +} + +IMPL_LINK(MenuBarUpdateIconManager, ApplicationEventHdl, VclSimpleEvent&, rEvent, void) +{ + switch (rEvent.GetId()) + { + case VclEventId::WindowShow: + case VclEventId::WindowActivate: + case VclEventId::WindowGetFocus: { + + vcl::Window *pWindow = static_cast< VclWindowEvent * >(&rEvent)->GetWindow(); + if ( pWindow && pWindow->IsTopWindow() ) + { + SystemWindow *pSysWin = pWindow->GetSystemWindow(); + MenuBar *pMBar = pSysWin ? pSysWin->GetMenuBar() : nullptr; + if (pMBar) + { + AddMenuBarIcon( pSysWin, true ); + } + } + break; + } + default: break; + } +} + +IMPL_LINK_NOARG(MenuBarUpdateIconManager, UserEventHdl, void*, void) +{ + vcl::Window *pTopWin = Application::GetFirstTopLevelWindow(); + vcl::Window *pActiveWin = Application::GetActiveTopWindow(); + SystemWindow *pActiveSysWin = nullptr; + + vcl::Window *pBubbleWin = nullptr; + if ( mpBubbleWin ) + pBubbleWin = mpBubbleWin; + + if ( pActiveWin && ( pActiveWin != pBubbleWin ) && pActiveWin->IsTopWindow() ) + pActiveSysWin = pActiveWin->GetSystemWindow(); + + if ( pActiveWin == pBubbleWin ) + pActiveSysWin = nullptr; + + while ( !pActiveSysWin && pTopWin ) + { + if ( ( pTopWin != pBubbleWin ) && pTopWin->IsTopWindow() ) + pActiveSysWin = pTopWin->GetSystemWindow(); + if ( !pActiveSysWin ) + pTopWin = Application::GetNextTopLevelWindow( pTopWin ); + } + + if ( pActiveSysWin ) + AddMenuBarIcon( pActiveSysWin, true ); +} + +IMPL_LINK_NOARG(MenuBarUpdateIconManager, ClickHdl, MenuBarButtonCallbackArg&, bool) +{ + maWaitIdle.Stop(); + if ( mpBubbleWin ) + mpBubbleWin->Show( false ); + + maClickHdl.Call(nullptr); + + return false; +} + +IMPL_LINK(MenuBarUpdateIconManager, HighlightHdl, MenuBarButtonCallbackArg&, rData, bool) +{ + if ( rData.bHighlight ) + maWaitIdle.Start(); + else + RemoveBubbleWindow(false); + + return false; +} + +IMPL_LINK_NOARG(MenuBarUpdateIconManager, WaitTimeOutHdl, Timer *, void) +{ + mpBubbleWin = GetBubbleWindow(); + + if ( mpBubbleWin ) + { + mpBubbleWin->Show(); + } +} + +MenuBarUpdateIconManager::~MenuBarUpdateIconManager() +{ + Application::RemoveEventListener( maApplicationEventHdl ); + + RemoveBubbleWindow(true); +} + +void MenuBarUpdateIconManager::SetShowMenuIcon(bool bShowMenuIcon) +{ + if ( bShowMenuIcon != mbShowMenuIcon ) + { + mbShowMenuIcon = bShowMenuIcon; + if ( bShowMenuIcon ) + Application::PostUserEvent(LINK(this, MenuBarUpdateIconManager, UserEventHdl)); + else + RemoveBubbleWindow( true ); + } +} + +void MenuBarUpdateIconManager::SetShowBubble(bool bShowBubble) +{ + mbShowBubble = bShowBubble; + if ( mbShowBubble ) + Application::PostUserEvent(LINK(this, MenuBarUpdateIconManager, UserEventHdl)); + else if ( mpBubbleWin ) + mpBubbleWin->Show( false ); +} + +void MenuBarUpdateIconManager::SetBubbleChanged() +{ + mbBubbleChanged = true; + if (mbBubbleChanged && mpBubbleWin) + mpBubbleWin->Show( false ); +} + +void MenuBarUpdateIconManager::SetBubbleImage(const Image& rImage) +{ + maBubbleImage = rImage; + SetBubbleChanged(); +} + +void MenuBarUpdateIconManager::SetBubbleTitle(const OUString& rTitle) +{ + if (rTitle != maBubbleTitle) + { + maBubbleTitle = rTitle; + SetBubbleChanged(); + } +} + +void MenuBarUpdateIconManager::SetBubbleText(const OUString& rText) +{ + if (rText != maBubbleText) + { + maBubbleText = rText; + SetBubbleChanged(); + } +} + +namespace { +Image GetMenuBarIcon( MenuBar const * pMBar ) +{ + OUString sResID; + vcl::Window *pMBarWin = pMBar->GetWindow(); + sal_uInt32 nMBarHeight = 20; + + if ( pMBarWin ) + nMBarHeight = pMBarWin->GetOutputSizePixel().getHeight(); + + if (nMBarHeight >= 35) + sResID = RID_UPDATE_AVAILABLE_26; + else + sResID = RID_UPDATE_AVAILABLE_16; + + return Image(StockImage::Yes, sResID); +} +} + +void MenuBarUpdateIconManager::AddMenuBarIcon(SystemWindow *pSysWin, bool bAddEventHdl) +{ + if ( ! mbShowMenuIcon ) + return; + + MenuBar *pActiveMBar = pSysWin->GetMenuBar(); + if ( ( pSysWin != mpIconSysWin ) || ( pActiveMBar != mpIconMBar ) ) + { + if ( bAddEventHdl && mpIconSysWin ) + mpIconSysWin->RemoveEventListener( maWindowEventHdl ); + + RemoveBubbleWindow( true ); + + if ( pActiveMBar ) + { + OUStringBuffer aBuf; + if( !maBubbleTitle.isEmpty() ) + aBuf.append( maBubbleTitle ); + if( !maBubbleText.isEmpty() ) + { + if( !maBubbleTitle.isEmpty() ) + aBuf.append( "\n\n" ); + aBuf.append( maBubbleText ); + } + + Image aImage = GetMenuBarIcon( pActiveMBar ); + mnIconID = pActiveMBar->AddMenuBarButton( aImage, + LINK( this, MenuBarUpdateIconManager, ClickHdl ), + aBuf.makeStringAndClear() + ); + pActiveMBar->SetMenuBarButtonHighlightHdl( mnIconID, + LINK( this, MenuBarUpdateIconManager, HighlightHdl ) ); + } + mpIconMBar = pActiveMBar; + mpIconSysWin = pSysWin; + if ( bAddEventHdl && mpIconSysWin ) + mpIconSysWin->AddEventListener( maWindowEventHdl ); + } + + if ( mbShowBubble && pActiveMBar ) + { + mpBubbleWin = GetBubbleWindow(); + if ( mpBubbleWin ) + { + mpBubbleWin->Show(); + maTimeoutTimer.Start(); + } + mbShowBubble = false; + } +} + +void MenuBarUpdateIconManager::RemoveBubbleWindow( bool bRemoveIcon ) +{ + maWaitIdle.Stop(); + maTimeoutTimer.Stop(); + + if ( mpBubbleWin ) + { + mpBubbleWin.disposeAndClear(); + } + + if ( !bRemoveIcon ) + return; + + try { + if ( mpIconMBar && ( mnIconID != 0 ) ) + { + mpIconMBar->RemoveMenuBarButton( mnIconID ); + mpIconMBar = nullptr; + mnIconID = 0; + } + } + catch ( ... ) { + mpIconMBar = nullptr; + mnIconID = 0; + } + + mpIconSysWin = nullptr; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |