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/*
* KWin Style UKUI
*
* Copyright (C) 2020, KylinSoft Co., Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* Authors: Yue Lan <lanyue@kylinos.cn>
*
*/
#include "xatom-helper.h"
#include <limits.h>
#include <QX11Info>
#include <X11/Xlib.h>
#include <X11/X.h>
#include <X11/Xatom.h>
static XAtomHelper *global_instance = nullptr;
XAtomHelper *XAtomHelper::getInstance()
{
if (!global_instance)
global_instance = new XAtomHelper;
return global_instance;
}
bool XAtomHelper::isFrameLessWindow(int winId)
{
auto hints = getInstance()->getWindowMotifHint(winId);
if (hints.flags == MWM_HINTS_DECORATIONS && hints.functions == 1) {
return true;
}
return false;
}
bool XAtomHelper::isWindowDecorateBorderOnly(int winId)
{
return isWindowMotifHintDecorateBorderOnly(getInstance()->getWindowMotifHint(winId));
}
bool XAtomHelper::isWindowMotifHintDecorateBorderOnly(const MotifWmHints &hint)
{
bool isDeco = false;
if (hint.flags & MWM_HINTS_DECORATIONS && hint.flags != MWM_HINTS_DECORATIONS) {
if (hint.decorations == MWM_DECOR_BORDER)
isDeco = true;
}
return isDeco;
}
bool XAtomHelper::isUKUICsdSupported()
{
// fixme:
return false;
}
bool XAtomHelper::isUKUIDecorationWindow(int winId)
{
if (m_ukuiDecorationAtion == None)
return false;
Atom type;
int format;
ulong nitems;
ulong bytes_after;
uchar *data;
bool isUKUIDecoration = false;
XGetWindowProperty(QX11Info::display(), winId, m_ukuiDecorationAtion,
0, LONG_MAX, false,
m_ukuiDecorationAtion, &type,
&format, &nitems,
&bytes_after, &data);
if (type == m_ukuiDecorationAtion) {
if (nitems == 1) {
isUKUIDecoration = data[0];
}
}
return isUKUIDecoration;
}
UnityCorners XAtomHelper::getWindowBorderRadius(int winId)
{
UnityCorners corners;
Atom type;
int format;
ulong nitems;
ulong bytes_after;
uchar *data;
if (m_unityBorderRadiusAtom != None) {
XGetWindowProperty(QX11Info::display(), winId, m_unityBorderRadiusAtom,
0, LONG_MAX, false,
XA_CARDINAL, &type,
&format, &nitems,
&bytes_after, &data);
if (type == XA_CARDINAL) {
if (nitems == 4) {
corners.topLeft = static_cast<ulong>(data[0]);
corners.topRight = static_cast<ulong>(data[1*sizeof (ulong)]);
corners.bottomLeft = static_cast<ulong>(data[2*sizeof (ulong)]);
corners.bottomRight = static_cast<ulong>(data[3*sizeof (ulong)]);
}
XFree(data);
}
}
return corners;
}
void XAtomHelper::setWindowBorderRadius(int winId, const UnityCorners &data)
{
if (m_unityBorderRadiusAtom == None)
return;
ulong corners[4] = {data.topLeft, data.topRight, data.bottomLeft, data.bottomRight};
XChangeProperty(QX11Info::display(), winId, m_unityBorderRadiusAtom, XA_CARDINAL,
32, XCB_PROP_MODE_REPLACE, (const unsigned char *) &corners, sizeof (corners)/sizeof (corners[0]));
}
void XAtomHelper::setWindowBorderRadius(int winId, int topLeft, int topRight, int bottomLeft, int bottomRight)
{
if (m_unityBorderRadiusAtom == None)
return;
ulong corners[4] = {(ulong)topLeft, (ulong)topRight, (ulong)bottomLeft, (ulong)bottomRight};
XChangeProperty(QX11Info::display(), winId, m_unityBorderRadiusAtom, XA_CARDINAL,
32, XCB_PROP_MODE_REPLACE, (const unsigned char *) &corners, sizeof (corners)/sizeof (corners[0]));
}
void XAtomHelper::setUKUIDecoraiontHint(int winId, bool set)
{
if (m_ukuiDecorationAtion == None)
return;
XChangeProperty(QX11Info::display(), winId, m_ukuiDecorationAtion, m_ukuiDecorationAtion, 32, XCB_PROP_MODE_REPLACE, (const unsigned char *) &set, 1);
}
void XAtomHelper::setWindowMotifHint(int winId, const MotifWmHints &hints)
{
if (m_unityBorderRadiusAtom == None)
return;
XChangeProperty(QX11Info::display(), winId, m_motifWMHintsAtom, m_motifWMHintsAtom,
32, XCB_PROP_MODE_REPLACE, (const unsigned char *)&hints, sizeof (MotifWmHints)/ sizeof (ulong));
}
MotifWmHints XAtomHelper::getWindowMotifHint(int winId)
{
MotifWmHints hints;
if (m_unityBorderRadiusAtom == None)
return hints;
uchar *data;
Atom type;
int format;
ulong nitems;
ulong bytes_after;
XGetWindowProperty(QX11Info::display(), winId, m_motifWMHintsAtom,
0, sizeof (MotifWmHints)/sizeof (long), false, AnyPropertyType, &type,
&format, &nitems, &bytes_after, &data);
if (type == None) {
return hints;
} else {
hints = *(MotifWmHints *)data;
XFree(data);
}
return hints;
}
XAtomHelper::XAtomHelper(QObject *parent) : QObject(parent)
{
if (!QX11Info::isPlatformX11())
return;
m_motifWMHintsAtom = XInternAtom(QX11Info::display(), "_MOTIF_WM_HINTS", true);
m_unityBorderRadiusAtom = XInternAtom(QX11Info::display(), "_UNITY_GTK_BORDER_RADIUS", false);
m_ukuiDecorationAtion = XInternAtom(QX11Info::display(), "_KWIN_UKUI_DECORAION", false);
}
Atom XAtomHelper::registerUKUICsdNetWmSupportAtom()
{
// fixme:
return None;
}
void XAtomHelper::unregisterUKUICsdNetWmSupportAtom()
{
// fixme:
}
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