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Wayland: Implement clipboard paste
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parent
3c4b9a7eef
commit
8b54e28c4e
@ -1196,6 +1196,14 @@ int _glfwPlatformInit(void)
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wl_data_device_manager_get_data_device(_glfw.wl.dataDeviceManager,
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_glfw.wl.seat);
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wl_data_device_add_listener(_glfw.wl.dataDevice, &dataDeviceListener, NULL);
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_glfw.wl.clipboardString = malloc(4096);
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if (!_glfw.wl.clipboardString)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Unable to allocate clipboard memory");
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return GLFW_FALSE;
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}
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_glfw.wl.clipboardSize = 4096;
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}
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return GLFW_TRUE;
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@ -1285,6 +1293,9 @@ void _glfwPlatformTerminate(void)
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close(_glfw.wl.timerfd);
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if (_glfw.wl.cursorTimerfd >= 0)
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close(_glfw.wl.cursorTimerfd);
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if (_glfw.wl.clipboardString)
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free(_glfw.wl.clipboardString);
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}
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const char* _glfwPlatformGetVersionString(void)
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@ -256,6 +256,8 @@ typedef struct _GLFWlibraryWayland
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int32_t keyboardRepeatDelay;
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int keyboardLastKey;
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int keyboardLastScancode;
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char* clipboardString;
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size_t clipboardSize;
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int timerfd;
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short int keycodes[256];
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short int scancodes[GLFW_KEY_LAST + 1];
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@ -1576,12 +1576,87 @@ void _glfwPlatformSetClipboardString(const char* string)
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"Wayland: Clipboard setting not implemented yet");
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}
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static GLFWbool growClipboardString(void)
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{
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char* clipboard = _glfw.wl.clipboardString;
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clipboard = realloc(clipboard, _glfw.wl.clipboardSize * 2);
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if (!clipboard)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Impossible to grow clipboard string");
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return GLFW_FALSE;
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}
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_glfw.wl.clipboardString = clipboard;
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_glfw.wl.clipboardSize = _glfw.wl.clipboardSize * 2;
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return GLFW_TRUE;
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}
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const char* _glfwPlatformGetClipboardString(void)
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{
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// TODO
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Clipboard getting not implemented yet");
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return NULL;
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int fds[2];
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int ret;
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size_t len = 0;
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if (!_glfw.wl.dataOffer)
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{
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_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
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"No clipboard data has been sent yet");
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return NULL;
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}
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ret = pipe2(fds, O_CLOEXEC);
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if (ret < 0)
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{
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// TODO: also report errno maybe?
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Impossible to create clipboard pipe fds");
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return NULL;
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}
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wl_data_offer_receive(_glfw.wl.dataOffer, "text/plain;charset=utf-8", fds[1]);
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close(fds[1]);
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// XXX: this is a huge hack, this function shouldn’t be synchronous!
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handleEvents(-1);
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while (1)
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{
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// Grow the clipboard if we need to paste something bigger, there is no
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// shrink operation yet.
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if (len + 4096 > _glfw.wl.clipboardSize)
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{
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if (!growClipboardString())
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{
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close(fds[0]);
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return NULL;
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}
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}
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// Then read from the fd to the clipboard, handling all known errors.
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ret = read(fds[0], _glfw.wl.clipboardString + len, 4096);
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if (ret == 0)
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break;
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if (ret == -1 && errno == EINTR)
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continue;
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if (ret == -1)
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{
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// TODO: also report errno maybe.
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Impossible to read from clipboard fd");
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close(fds[0]);
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return NULL;
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}
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len += ret;
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}
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close(fds[0]);
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if (len + 1 > _glfw.wl.clipboardSize)
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{
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if (!growClipboardString())
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return NULL;
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}
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_glfw.wl.clipboardString[len] = '\0';
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return _glfw.wl.clipboardString;
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}
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void _glfwPlatformGetRequiredInstanceExtensions(char** extensions)
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