xdg-desktop-portal-hyprland/hyprland-share-picker/main.cpp

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#include <QApplication>
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#include <QEvent>
#include <QObject>
#include <QPushButton>
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#include <QScreen>
#include <QTabWidget>
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#include <QWidget>
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#include <QtDebug>
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#include <QtWidgets>
#include <array>
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#include <cstdio>
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#include <iostream>
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#include <memory>
#include <stdexcept>
#include <string>
#include <vector>
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#include "mainpicker.h"
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std::string execAndGet(const char* cmd) {
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std::array<char, 128> buffer;
std::string result;
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std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
if (!pipe) {
throw std::runtime_error("popen() failed!");
}
while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
result += buffer.data();
}
return result;
}
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QApplication* pickerPtr = nullptr;
MainPicker* mainPickerPtr = nullptr;
struct SWindowEntry {
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std::string name;
std::string clazz;
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unsigned long long id = 0;
};
std::vector<SWindowEntry> getWindows(const char* env) {
std::vector<SWindowEntry> result;
if (!env)
return result;
std::string rolling = env;
while (!rolling.empty()) {
// ID
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const auto IDSEPPOS = rolling.find("[HC>]");
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const auto IDSTR = rolling.substr(0, IDSEPPOS);
// class
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const auto CLASSSEPPOS = rolling.find("[HT>]");
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const auto CLASSSTR = rolling.substr(IDSEPPOS + 5, CLASSSEPPOS - IDSEPPOS - 5);
// title
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const auto TITLESEPPOS = rolling.find("[HE>]");
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const auto TITLESTR = rolling.substr(CLASSSEPPOS + 5, TITLESEPPOS - 5 - CLASSSEPPOS);
try {
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result.push_back({TITLESTR, CLASSSTR, std::stoull(IDSTR)});
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} catch (std::exception& e) {
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// silent err
}
rolling = rolling.substr(TITLESEPPOS + 5);
}
return result;
}
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int main(int argc, char* argv[]) {
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qputenv("QT_LOGGING_RULES", "qml=false");
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const char* WINDOWLISTSTR = getenv("XDPH_WINDOW_SHARING_LIST");
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const auto WINDOWLIST = getWindows(WINDOWLISTSTR);
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QApplication picker(argc, argv);
pickerPtr = &picker;
MainPicker w;
mainPickerPtr = &w;
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// get the tabwidget
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const auto TABWIDGET = (QTabWidget*)w.children()[1]->children()[0];
const auto ALLOWTOKENBUTTON = (QCheckBox*)w.children()[1]->children()[1];
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const auto TAB1 = (QWidget*)TABWIDGET->children()[0];
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const auto SCREENS_SCROLL_AREA_CONTENTS =
(QWidget*)TAB1->findChild<QWidget*>("screens")->findChild<QScrollArea*>("scrollArea")->findChild<QWidget*>("scrollAreaWidgetContents");
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// add all screens
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const auto SCREENS = picker.screens();
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constexpr int BUTTON_WIDTH = 441;
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constexpr int BUTTON_HEIGHT = 41;
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constexpr int BUTTON_PAD = 4;
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for (int i = 0; i < SCREENS.size(); ++i) {
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const auto GEOMETRY = SCREENS[i]->geometry();
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QString text = QString::fromStdString(std::string("Screen " + std::to_string(i) + " at " + std::to_string(GEOMETRY.x()) + ", " + std::to_string(GEOMETRY.y()) + " (" +
std::to_string(GEOMETRY.width()) + "x" + std::to_string(GEOMETRY.height()) + ") (") +
SCREENS[i]->name().toStdString() + ")");
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QPushButton* button = new QPushButton(text, (QWidget*)SCREENS_SCROLL_AREA_CONTENTS);
button->move(9, 5 + (BUTTON_HEIGHT + BUTTON_PAD) * i);
button->resize(BUTTON_WIDTH, BUTTON_HEIGHT);
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QObject::connect(button, &QPushButton::clicked, [=]() {
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std::string ID = button->text().toStdString();
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ID = ID.substr(ID.find_last_of('(') + 1);
ID = ID.substr(0, ID.find_last_of(')'));
std::cout << (ALLOWTOKENBUTTON->isChecked() ? "r" : "");
std::cout << "/";
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std::cout << "screen:" << ID << "\n";
pickerPtr->quit();
return 0;
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});
}
SCREENS_SCROLL_AREA_CONTENTS->resize(SCREENS_SCROLL_AREA_CONTENTS->size().width(), 5 + (BUTTON_HEIGHT + BUTTON_PAD) * SCREENS.size());
// windows
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const auto WINDOWS_SCROLL_AREA_CONTENTS =
(QWidget*)TAB1->findChild<QWidget*>("windows")->findChild<QScrollArea*>("scrollArea_2")->findChild<QWidget*>("scrollAreaWidgetContents_2");
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// loop over them
int windowIterator = 0;
for (auto& window : WINDOWLIST) {
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QString text = QString::fromStdString(window.clazz + ": " + window.name);
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QPushButton* button = new QPushButton(text, (QWidget*)WINDOWS_SCROLL_AREA_CONTENTS);
button->move(9, 5 + (BUTTON_HEIGHT + BUTTON_PAD) * windowIterator);
button->resize(BUTTON_WIDTH, BUTTON_HEIGHT);
mainPickerPtr->windowIDs[button] = window.id;
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QObject::connect(button, &QPushButton::clicked, [=]() {
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std::cout << (ALLOWTOKENBUTTON->isChecked() ? "r" : "");
std::cout << "/";
std::cout << "window:" << mainPickerPtr->windowIDs[button] << "\n";
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pickerPtr->quit();
return 0;
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});
windowIterator++;
}
WINDOWS_SCROLL_AREA_CONTENTS->resize(WINDOWS_SCROLL_AREA_CONTENTS->size().width(), 5 + (BUTTON_HEIGHT + BUTTON_PAD) * windowIterator);
// lastly, region
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const auto REGION_OBJECT = (QWidget*)TAB1->findChild<QWidget*>("region");
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QString text = "Select region...";
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QPushButton* button = new QPushButton(text, (QWidget*)REGION_OBJECT);
button->move(79, 80);
button->resize(321, 41);
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QObject::connect(button, &QPushButton::clicked, [=]() {
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auto REGION = execAndGet("slurp -f \"%o %x %y %w %h\"");
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REGION = REGION.substr(0, REGION.length());
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// now, get the screen
QScreen* pScreen = nullptr;
if (REGION.find_first_of(' ') == std::string::npos) {
std::cout << "error1\n";
pickerPtr->quit();
return 1;
}
const auto SCREEN_NAME = REGION.substr(0, REGION.find_first_of(' '));
for (auto& screen : SCREENS) {
if (screen->name().toStdString() == SCREEN_NAME) {
pScreen = screen;
break;
}
}
if (!pScreen) {
std::cout << "error2\n";
pickerPtr->quit();
return 1;
}
// get all the coords
try {
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REGION = REGION.substr(REGION.find_first_of(' ') + 1);
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const auto X = std::stoi(REGION.substr(0, REGION.find_first_of(' ')));
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REGION = REGION.substr(REGION.find_first_of(' ') + 1);
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const auto Y = std::stoi(REGION.substr(0, REGION.find_first_of(' ')));
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REGION = REGION.substr(REGION.find_first_of(' ') + 1);
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const auto W = std::stoi(REGION.substr(0, REGION.find_first_of(' ')));
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REGION = REGION.substr(REGION.find_first_of(' ') + 1);
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const auto H = std::stoi(REGION);
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std::cout << (ALLOWTOKENBUTTON->isChecked() ? "r" : "");
std::cout << "/";
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std::cout << "region:" << SCREEN_NAME << "@" << X - pScreen->geometry().x() << "," << Y - pScreen->geometry().y() << "," << W << "," << H << "\n";
pickerPtr->quit();
return 0;
} catch (...) {
std::cout << "error3\n";
pickerPtr->quit();
return 1;
}
std::cout << "error4\n";
pickerPtr->quit();
return 1;
});
w.show();
return picker.exec();
}