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/* -*- Mode: C++; indent-tabs-mode: nil; tab-width: 4 -*-
* -*- coding: utf-8 -*-
*
* Copyright (C) 2023 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
* 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 <http://www.gnu.org/licenses/>.
*/
#include <QApplication>
#include <QX11Info>
#include "background-manager.h"
#include <Imlib2.h>
#include <gdk/gdkx.h>
#include "clib-syslog.h"
#define BACKGROUND "org.mate.background"
#define PICTURE_FILE_NAME "picture-filename"
#define COLOR_FILE_NAME "primary-color"
#define CAN_DRAW_BACKGROUND "draw-background"
BackgroundManager::BackgroundManager()
{
m_screen = QApplication::screens().at(0);
mAcitveTime = new QTimer(this);
}
BackgroundManager::~BackgroundManager()
{
if (mAcitveTime) {
delete mAcitveTime;
mAcitveTime = nullptr;
}
}
void BackgroundManager::initGSettings(){
// connect(qApp,SIGNAL(screenAdded(QScreen *)),this, SLOT(screenAddedProcess(QScreen*)));
//connect(qApp, SLOT(screenRemoved(QScreen *)),this, SLOT(screenRemovedProcess(QScreen *)));
// connect(m_screen, &QScreen::virtualGeometryChanged, this,&BackgroundManager::virtualGeometryChangedProcess);
}
/*
void BackgroundManager::SetBackground()
{
Pixmap pix;
Window root;
Screen *scn;
QScreen *screen;
Imlib_Image img;
int ScnNum, width = 0,height = 0;
dpy = gdk_x11_get_default_xdisplay();
img = imlib_load_image(Filename.toLatin1().data());
if (!img) {
USD_LOG(LOG_DEBUG,"%s:Unable to load image\n", Filename.toLatin1().data());
return ;
}
imlib_context_set_image(img);
if (!dpy)
return ;
ScnNum = QApplication::screens().length();
width = DisplayWidth(dpy, 0);
height = DisplayHeight(dpy, 0);
scn = DefaultScreenOfDisplay(dpy);
root = DefaultRootWindow(dpy);
pix = XCreatePixmap(dpy, root, width, height,
DefaultDepthOfScreen(scn));
imlib_context_set_display(dpy);
imlib_context_set_visual(DefaultVisualOfScreen(scn));
imlib_context_set_colormap(DefaultColormapOfScreen(scn));
imlib_context_set_drawable(pix);
ScnNum = QApplication::screens().length();
for(int i = 0; i < ScnNum; i++){
screen = QApplication::screens().at(i);
//qDebug()<<screen->geometry();
imlib_render_image_on_drawable_at_size(screen->geometry().x() * 2,
screen->geometry().y() * 2,
screen->geometry().width() *2,
screen->geometry().height() * 2);
}
XSetWindowBackgroundPixmap(dpy, root, pix);
XClearWindow(dpy, root);
while (XPending(dpy)) {
XEvent ev;
XNextEvent(dpy, &ev);
}
XFreePixmap(dpy, pix);
imlib_free_image();
}
*/
void BackgroundManager::setup_Background(const QString &key)
{
if(key.compare(QString::fromLocal8Bit(PICTURE_FILE_NAME))==0)
Filename = bSettingOld->get(PICTURE_FILE_NAME).toString();
if(key.compare(QString::fromLocal8Bit(COLOR_FILE_NAME))==0)
Filename = bSettingOld->get(COLOR_FILE_NAME).toString();
SetBackground();
}
void BackgroundManager::SetBackground()
{
setSolidColorBackground();
draw_background();
}
void BackgroundManager::setSolidColorBackground()
{
Imlib_Image img;
if (!dpy){
dpy = XOpenDisplay(NULL);
if(!dpy)
return;
}
int width = 0;
int height = 0;
int screen = DefaultScreen(dpy);
if(!scn)
scn = DefaultScreenOfDisplay(dpy);
if(!root)
root = DefaultRootWindow(dpy);
width = DisplayWidth (dpy, screen);
height = DisplayHeight(dpy, screen);
pix = XCreatePixmap(dpy, root, width, height,
DefaultDepthOfScreen(scn));
imlib_context_set_display(dpy);
imlib_context_set_visual(DefaultVisualOfScreen(scn));
imlib_context_set_colormap(DefaultColormapOfScreen(scn));
imlib_context_set_drawable(pix);
img = imlib_create_image(width, height);
imlib_context_set_image(img);
imlib_context_set_color(0, 0,0, 255);//black
imlib_image_fill_rectangle(0, 0, width, height);
imlib_context_set_image(img);
for(QScreen *screen : QApplication::screens()){
//在每个屏幕上绘制背景
QRect rect = screen->geometry();
imlib_render_image_on_drawable_at_size(rect.x()*screen->devicePixelRatio(), rect.y()*screen->devicePixelRatio(), rect.width()*screen->devicePixelRatio(),rect.height()*screen->devicePixelRatio());
}
imlib_free_image();
}
void BackgroundManager::draw_background()
{
XSetWindowBackgroundPixmap(dpy, root, pix);
XClearWindow(dpy, root);
while (XPending(dpy)) {
XEvent ev;
XNextEvent(dpy, &ev);
}
XFreePixmap(dpy, pix);
XCloseDisplay(dpy);
dpy = NULL;
pix = NULL;
root = NULL;
scn = NULL;
}
void BackgroundManager::screenAddedProcess(QScreen *screen)
{
mAcitveTime->start(3000);
//SetBackground();
}
void BackgroundManager::screenRemovedProcess(QScreen *screen)
{
mAcitveTime->start(3000);
//SetBackground();
}
void BackgroundManager::virtualGeometryChangedProcess(const QRect &geometry)
{
mAcitveTime->start(3000);
//SetBackground();
}
/**
* @brief XrandrManager::StartXrandrIdleCb
* 开始时间回调函数
*/
void BackgroundManager::StartXrandrIdleCb()
{
mAcitveTime->stop();
SetBackground();
}
void BackgroundManager::BackgroundManagerStart()
{
connect(mAcitveTime, &QTimer::timeout, this,&BackgroundManager::StartXrandrIdleCb);
mAcitveTime->start(10000);
initGSettings();
}
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