diff options
| -rw-r--r-- | src/main.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/main.cpp b/src/main.cpp index f3de811..884a282 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -419,6 +419,7 @@ private: // X compositor GLuint m_unOverlayProgramID = 0; const char *overlay_key = "vr-video-player"; xdo_t *overlay_xdo = nullptr; + Atom overlay_icon_atom; }; @@ -1206,6 +1207,8 @@ bool CMainApplication::BInitOverlay() overlay_xdo = xdo_new_with_opened_display(x_display, nullptr, 0); + overlay_icon_atom = XInternAtom(x_display, "_NET_WM_ICON", 0); + return true; } @@ -1495,6 +1498,88 @@ bool CMainApplication::HandleInput() } XFree(name); + + unsigned long offset = 0; + unsigned long best_offset = (unsigned long)-1; + unsigned long best_size = 0; + + Atom type; + int format; + unsigned long nitems, bytes_after; + unsigned char *prop_data; + + while (true) { + XGetWindowProperty( + x_display, src_window_id, overlay_icon_atom, + offset, 2, 0, AnyPropertyType, &type, + &format, &nitems, &bytes_after, &prop_data); + if (nitems != 2) { + XFree(prop_data); + break; + } + + unsigned long width = ((unsigned long *)prop_data)[0]; + unsigned long height = ((unsigned long *)prop_data)[1]; + + unsigned long size = width * height; + + /* OpenVR docs say there's a limit to the amount + * of data that can be sent but no explicit + * limit is stated. When loading from a file, + * the icon size is limited to 1920x1080. + * + * Just setting an arbitrary for now. The + * highest resolution icon I found in my + * applications is 192x192. */ + if (size > best_size && size <= 512 * 512) { + best_offset = offset; + best_size = size; + } + + offset += 2 + size; + XFree(prop_data); + } + + if (best_offset != (unsigned long)-1) { + XGetWindowProperty( + x_display, src_window_id, overlay_icon_atom, + best_offset, 2, 0, AnyPropertyType, &type, + &format, &nitems, &bytes_after, &prop_data); + + if (nitems == 2) { + unsigned long width = ((unsigned long *)prop_data)[0]; + unsigned long height = ((unsigned long *)prop_data)[1]; + + unsigned long n_expected = width * height; + unsigned char *icon; + XGetWindowProperty( + x_display, src_window_id, + overlay_icon_atom, best_offset + 2, + n_expected, 0, AnyPropertyType, &type, + &format, &nitems, &bytes_after, &icon); + + std::vector<uint32_t> icon_data(n_expected); + for (size_t i = 0; i < n_expected; i++) { + icon_data[i] = ((unsigned long *)icon)[i] & 0xFFFFFFFFull; + uint32_t r = (icon_data[i] & 0x000000FF) >> 0; + uint32_t g = (icon_data[i] & 0x0000FF00) >> 8; + uint32_t b = (icon_data[i] & 0x00FF0000) >> 16; + uint32_t a = (icon_data[i] & 0xFF000000) >> 24; + + icon_data[i] = b | (g << 8) | (r << 16) | (a << 24); + } + + if (nitems == n_expected) { + vr::VROverlay()->SetOverlayRaw( + thumbnail_handle, icon_data.data(), + width, height, sizeof(uint32_t)); + } + + XFree(icon); + } + + XFree(prop_data); + } } if(focused_window_changed) { |