mirror of
https://github.com/juce-framework/JUCE.git
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251 lines
8.7 KiB
C++
251 lines
8.7 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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extern void* getUser32Function (const char*);
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namespace IconConverters
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{
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extern HICON createHICONFromImage (const Image&, BOOL isIcon, int hotspotX, int hotspotY);
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}
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//==============================================================================
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class SystemTrayIconComponent::Pimpl
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{
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public:
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Pimpl (SystemTrayIconComponent& owner_, HICON hicon, HWND hwnd)
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: owner (owner_),
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originalWndProc ((WNDPROC) GetWindowLongPtr (hwnd, GWLP_WNDPROC)),
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taskbarCreatedMessage (RegisterWindowMessage (TEXT ("TaskbarCreated")))
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{
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SetWindowLongPtr (hwnd, GWLP_WNDPROC, (LONG_PTR) hookedWndProc);
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zerostruct (iconData);
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iconData.cbSize = sizeof (iconData);
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iconData.hWnd = hwnd;
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iconData.uID = (UINT) (pointer_sized_int) hwnd;
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iconData.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
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iconData.uCallbackMessage = WM_TRAYNOTIFY;
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iconData.hIcon = hicon;
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notify (NIM_ADD);
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// In order to receive the "TaskbarCreated" message, we need to request that it's not filtered out.
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// (Need to load dynamically, as ChangeWindowMessageFilter is only available in Vista and later)
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typedef BOOL (WINAPI* ChangeWindowMessageFilterType) (UINT, DWORD);
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if (ChangeWindowMessageFilterType changeWindowMessageFilter
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= (ChangeWindowMessageFilterType) getUser32Function ("ChangeWindowMessageFilter"))
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changeWindowMessageFilter (taskbarCreatedMessage, 1 /* MSGFLT_ADD */);
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}
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~Pimpl()
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{
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SetWindowLongPtr (iconData.hWnd, GWLP_WNDPROC, (LONG_PTR) originalWndProc);
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iconData.uFlags = 0;
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notify (NIM_DELETE);
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DestroyIcon (iconData.hIcon);
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}
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void updateIcon (HICON hicon)
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{
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HICON oldIcon = iconData.hIcon;
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iconData.hIcon = hicon;
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iconData.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
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notify (NIM_MODIFY);
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DestroyIcon (oldIcon);
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}
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void setToolTip (const String& toolTip)
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{
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iconData.uFlags = NIF_TIP;
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toolTip.copyToUTF16 (iconData.szTip, sizeof (iconData.szTip) - 1);
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notify (NIM_MODIFY);
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}
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void handleTaskBarEvent (const LPARAM lParam)
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{
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if (owner.isCurrentlyBlockedByAnotherModalComponent())
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{
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if (lParam == WM_LBUTTONDOWN || lParam == WM_RBUTTONDOWN
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|| lParam == WM_LBUTTONDBLCLK || lParam == WM_RBUTTONDBLCLK)
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{
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if (auto* current = Component::getCurrentlyModalComponent())
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current->inputAttemptWhenModal();
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}
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}
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else
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{
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ModifierKeys eventMods (ComponentPeer::getCurrentModifiersRealtime());
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if (lParam == WM_LBUTTONDOWN || lParam == WM_LBUTTONDBLCLK)
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eventMods = eventMods.withFlags (ModifierKeys::leftButtonModifier);
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else if (lParam == WM_RBUTTONDOWN || lParam == WM_RBUTTONDBLCLK)
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eventMods = eventMods.withFlags (ModifierKeys::rightButtonModifier);
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else if (lParam == WM_LBUTTONUP || lParam == WM_RBUTTONUP)
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eventMods = eventMods.withoutMouseButtons();
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const Time eventTime (getMouseEventTime());
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const MouseEvent e (Desktop::getInstance().getMainMouseSource(), {}, eventMods,
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MouseInputSource::defaultPressure, MouseInputSource::defaultOrientation,
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MouseInputSource::defaultRotation, MouseInputSource::defaultTiltX, MouseInputSource::defaultTiltY,
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&owner, &owner, eventTime, {}, eventTime, 1, false);
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if (lParam == WM_LBUTTONDOWN || lParam == WM_RBUTTONDOWN)
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{
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SetFocus (iconData.hWnd);
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SetForegroundWindow (iconData.hWnd);
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owner.mouseDown (e);
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}
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else if (lParam == WM_LBUTTONUP || lParam == WM_RBUTTONUP)
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{
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owner.mouseUp (e);
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}
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else if (lParam == WM_LBUTTONDBLCLK || lParam == WM_RBUTTONDBLCLK)
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{
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owner.mouseDoubleClick (e);
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}
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else if (lParam == WM_MOUSEMOVE)
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{
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owner.mouseMove (e);
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}
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}
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}
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static Pimpl* getPimpl (HWND hwnd)
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{
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if (JuceWindowIdentifier::isJUCEWindow (hwnd))
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if (ComponentPeer* peer = (ComponentPeer*) GetWindowLongPtr (hwnd, 8))
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if (SystemTrayIconComponent* const iconComp = dynamic_cast<SystemTrayIconComponent*> (&(peer->getComponent())))
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return iconComp->pimpl.get();
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return nullptr;
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}
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static LRESULT CALLBACK hookedWndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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if (Pimpl* const p = getPimpl (hwnd))
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return p->windowProc (hwnd, message, wParam, lParam);
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return DefWindowProcW (hwnd, message, wParam, lParam);
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}
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LRESULT windowProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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if (message == WM_TRAYNOTIFY)
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{
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handleTaskBarEvent (lParam);
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}
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else if (message == taskbarCreatedMessage)
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{
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iconData.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
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notify (NIM_ADD);
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}
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return CallWindowProc (originalWndProc, hwnd, message, wParam, lParam);
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}
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void showBubble (const String& title, const String& content)
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{
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iconData.uFlags = 0x10 /*NIF_INFO*/;
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title.copyToUTF16 (iconData.szInfoTitle, sizeof (iconData.szInfoTitle) - 1);
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content.copyToUTF16 (iconData.szInfo, sizeof (iconData.szInfo) - 1);
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notify (NIM_MODIFY);
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}
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SystemTrayIconComponent& owner;
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NOTIFYICONDATA iconData;
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private:
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WNDPROC originalWndProc;
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const DWORD taskbarCreatedMessage;
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enum { WM_TRAYNOTIFY = WM_USER + 100 };
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void notify (DWORD message) noexcept { Shell_NotifyIcon (message, &iconData); }
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Pimpl)
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};
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//==============================================================================
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void SystemTrayIconComponent::setIconImage (const Image& colourImage, const Image&)
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{
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if (colourImage.isValid())
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{
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HICON hicon = IconConverters::createHICONFromImage (colourImage, TRUE, 0, 0);
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if (pimpl == nullptr)
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pimpl.reset (new Pimpl (*this, hicon, (HWND) getWindowHandle()));
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else
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pimpl->updateIcon (hicon);
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}
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else
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{
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pimpl.reset();
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}
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}
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void SystemTrayIconComponent::setIconTooltip (const String& tooltip)
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{
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if (pimpl != nullptr)
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pimpl->setToolTip (tooltip);
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}
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void SystemTrayIconComponent::setHighlighted (bool)
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{
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// N/A on Windows.
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}
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void SystemTrayIconComponent::showInfoBubble (const String& title, const String& content)
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{
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if (pimpl != nullptr)
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pimpl->showBubble (title, content);
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}
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void SystemTrayIconComponent::hideInfoBubble()
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{
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showInfoBubble (String(), String());
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}
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void* SystemTrayIconComponent::getNativeHandle() const
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{
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return pimpl != nullptr ? &(pimpl->iconData) : nullptr;
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}
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} // namespace juce
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