150 lines
4.5 KiB
C++
150 lines
4.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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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 (const Image& im, Window windowH) : image (im)
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{
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ScopedXDisplay xDisplay;
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auto display = xDisplay.display;
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ScopedXLock xlock (display);
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Screen* const screen = XDefaultScreenOfDisplay (display);
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const int screenNumber = XScreenNumberOfScreen (screen);
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String screenAtom ("_NET_SYSTEM_TRAY_S");
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screenAtom << screenNumber;
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Atom selectionAtom = Atoms::getCreating (display, screenAtom.toUTF8());
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XGrabServer (display);
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Window managerWin = XGetSelectionOwner (display, selectionAtom);
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if (managerWin != None)
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XSelectInput (display, managerWin, StructureNotifyMask);
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XUngrabServer (display);
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XFlush (display);
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if (managerWin != None)
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{
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XEvent ev = { 0 };
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ev.xclient.type = ClientMessage;
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ev.xclient.window = managerWin;
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ev.xclient.message_type = Atoms::getCreating (display, "_NET_SYSTEM_TRAY_OPCODE");
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ev.xclient.format = 32;
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ev.xclient.data.l[0] = CurrentTime;
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ev.xclient.data.l[1] = 0 /*SYSTEM_TRAY_REQUEST_DOCK*/;
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ev.xclient.data.l[2] = (long) windowH;
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ev.xclient.data.l[3] = 0;
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ev.xclient.data.l[4] = 0;
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XSendEvent (display, managerWin, False, NoEventMask, &ev);
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XSync (display, False);
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}
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// For older KDE's ...
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long atomData = 1;
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Atom trayAtom = Atoms::getCreating (display, "KWM_DOCKWINDOW");
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XChangeProperty (display, windowH, trayAtom, trayAtom, 32, PropModeReplace, (unsigned char*) &atomData, 1);
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// For more recent KDE's...
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trayAtom = Atoms::getCreating (display, "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR");
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XChangeProperty (display, windowH, trayAtom, XA_WINDOW, 32, PropModeReplace, (unsigned char*) &windowH, 1);
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// A minimum size must be specified for GNOME and Xfce, otherwise the icon is displayed with a width of 1
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XSizeHints* hints = XAllocSizeHints();
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hints->flags = PMinSize;
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hints->min_width = 22;
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hints->min_height = 22;
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XSetWMNormalHints (display, windowH, hints);
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XFree (hints);
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}
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Image image;
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private:
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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& newImage)
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{
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pimpl.reset();
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if (newImage.isValid())
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{
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if (! isOnDesktop())
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addToDesktop (0);
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pimpl.reset (new Pimpl (newImage, (Window) getWindowHandle()));
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setVisible (true);
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toFront (false);
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}
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repaint();
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}
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void SystemTrayIconComponent::paint (Graphics& g)
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{
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if (pimpl != nullptr)
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g.drawImage (pimpl->image, getLocalBounds().toFloat(),
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RectanglePlacement::xLeft | RectanglePlacement::yTop | RectanglePlacement::onlyReduceInSize);
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}
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void SystemTrayIconComponent::setIconTooltip (const String& /*tooltip*/)
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{
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// xxx Not implemented!
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}
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void SystemTrayIconComponent::setHighlighted (bool)
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{
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// xxx Not implemented!
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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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// xxx Not implemented!
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}
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void SystemTrayIconComponent::hideInfoBubble()
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{
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// xxx Not implemented!
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}
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void* SystemTrayIconComponent::getNativeHandle() const
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{
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return getWindowHandle();
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}
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} // namespace juce
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