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https://github.com/juce-framework/JUCE.git
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124 lines
4.3 KiB
C++
124 lines
4.3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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extern Display* display;
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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& image_, Window windowH)
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: image (image_)
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{
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ScopedXLock xlock;
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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 = XInternAtom (display, screenAtom.toUTF8(), false);
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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 = XInternAtom (display, "_NET_SYSTEM_TRAY_OPCODE", False);
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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] = 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 = XInternAtom (display, "KWM_DOCKWINDOW", false);
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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 = XInternAtom (display, "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR", false);
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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 = nullptr;
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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 = 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.drawImageWithin (pimpl->image, 0, 0, getWidth(), getHeight(),
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RectanglePlacement::xLeft | RectanglePlacement::yTop | RectanglePlacement::onlyReduceInSize, false);
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}
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void SystemTrayIconComponent::setIconTooltip (const String& /* tooltip */)
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{
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// xxx not yet implemented!
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}
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