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