57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
#include "x11backend.hpp"
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#include <QPixmap>
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#include <QX11Info>
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#include <unistd.h>
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#include <xcb/xcb_cursor.h>
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#include <xcb/xcb_util.h>
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#include <xcb/xfixes.h>
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std::tuple<QPoint, QPixmap> PlatformBackend::getCursor() {
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xcb_connection_t *connection = QX11Info::connection();
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xcb_xfixes_get_cursor_image_cookie_t cursorCookie = xcb_xfixes_get_cursor_image_unchecked(connection);
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QScopedPointer<xcb_xfixes_get_cursor_image_reply_t> cursorReply(xcb_xfixes_get_cursor_image_reply(connection, cursorCookie, NULL));
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if (cursorReply.isNull()) {
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return std::tuple<QPoint, QPixmap>(QPoint(0, 0), QPixmap());
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}
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quint32 *pixels = xcb_xfixes_get_cursor_image_cursor_image(cursorReply.data());
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if (!pixels) {
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return std::tuple<QPoint, QPixmap>(QPoint(0, 0), QPixmap());
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}
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return std::tuple<QPoint, QPixmap>(QPoint(cursorReply->xhot, cursorReply->yhot),
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QPixmap::fromImage(QImage((quint8 *)pixels, cursorReply->width, cursorReply->height,
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QImage::Format_ARGB32_Premultiplied)));
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}
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pid_t PlatformBackend::pid() {
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return getpid();
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}
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WId PlatformBackend::getActiveWID() {
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xcb_connection_t *connection = QX11Info::connection();
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xcb_get_input_focus_reply_t *focusReply;
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xcb_query_tree_cookie_t treeCookie;
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xcb_query_tree_reply_t *treeReply;
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focusReply = xcb_get_input_focus_reply(connection, xcb_get_input_focus(connection), nullptr);
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xcb_window_t window = focusReply->focus;
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while (1) {
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treeCookie = xcb_query_tree(connection, window);
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treeReply = xcb_query_tree_reply(connection, treeCookie, nullptr);
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if (!treeReply) {
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window = 0;
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break;
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}
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if (window == treeReply->root || treeReply->parent == treeReply->root) {
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break;
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} else {
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window = treeReply->parent;
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}
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delete treeReply;
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}
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delete treeReply;
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return window;
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}
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