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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
extern ::Display* display;
//==============================================================================
class SystemTrayIconComponent::Pimpl
{
public:
Pimpl (const Image& im, Window windowH) : image (im)
{
ScopedXLock xlock;
Screen* const screen = XDefaultScreenOfDisplay (display);
const int screenNumber = XScreenNumberOfScreen (screen);
String screenAtom ("_NET_SYSTEM_TRAY_S");
screenAtom << screenNumber;
Atom selectionAtom = XInternAtom (display, screenAtom.toUTF8(), false);
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 = XInternAtom (display, "_NET_SYSTEM_TRAY_OPCODE", False);
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 = XInternAtom (display, "KWM_DOCKWINDOW", false);
XChangeProperty (display, windowH, trayAtom, trayAtom, 32, PropModeReplace, (unsigned char*) &atomData, 1);
// For more recent KDE's...
trayAtom = XInternAtom (display, "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR", false);
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& newImage)
{
pimpl = nullptr;
if (newImage.isValid())
{
if (! isOnDesktop())
addToDesktop (0);
pimpl = new Pimpl (newImage, (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();
}
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