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wayland_cursor_theme.cpp
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| 47 | void WaylandCursorTheme::loadTheme() | 47 | void WaylandCursorTheme::loadTheme() | ||
| 48 | { | 48 | { | ||
| 49 | if (!m_shm->isValid()) { | 49 | if (!m_shm->isValid()) { | ||
| 50 | return; | 50 | return; | ||
| 51 | } | 51 | } | ||
| 52 | Cursor *c = Cursor::self(); | 52 | Cursor *c = Cursor::self(); | ||
| 53 | int size = c->themeSize(); | 53 | int size = c->themeSize(); | ||
| 54 | if (size == 0) { | 54 | if (size == 0) { | ||
| 55 | // resolution depended | 55 | //set a default size | ||
| 56 | // as we don't support per screen cursor sizes yet, we use the first screen | | |||
| 57 | KWayland::Server::Display *display = waylandServer()->display(); | | |||
| 58 | auto output = display->outputs().first(); | | |||
| 59 | // calculate dots per inch, multiplied with magic constants | | |||
| 60 | if (output->physicalSize().height()) { | | |||
| 61 | size = qreal(output->pixelSize().height()) / (qreal(output->physicalSize().height()) * 0.0393701) * 16.0 / 72.0; | | |||
| 62 | } else { | | |||
| 63 | // use sensible default | | |||
| 64 | size = 24; | 56 | size = 24; | ||
| 65 | } | 57 | } | ||
| 66 | connect(output, &KWayland::Server::OutputInterface::pixelSizeChanged, this, &WaylandCursorTheme::loadTheme, Qt::UniqueConnection); | | |||
| 67 | connect(output, &KWayland::Server::OutputInterface::physicalSizeChanged, this, &WaylandCursorTheme::loadTheme, Qt::UniqueConnection); | | |||
| 68 | } | | |||
| 69 | 58 | | |||
| 70 | auto theme = wl_cursor_theme_load(c->themeName().toUtf8().constData(), | 59 | auto theme = wl_cursor_theme_load(c->themeName().toUtf8().constData(), | ||
| 71 | size, m_shm->shm()); | 60 | size, m_shm->shm()); | ||
| 72 | if (theme) { | 61 | if (theme) { | ||
| 73 | if (!m_theme) { | 62 | if (!m_theme) { | ||
| 74 | // so far the theme had not been created, this means we need to start tracking theme changes | 63 | // so far the theme had not been created, this means we need to start tracking theme changes | ||
| 75 | connect(c, &Cursor::themeChanged, this, &WaylandCursorTheme::loadTheme); | 64 | connect(c, &Cursor::themeChanged, this, &WaylandCursorTheme::loadTheme); | ||
| 76 | } else { | 65 | } else { | ||
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