fix

clip-lib/clip.cpp

@@ -0,0 +1,192 @@
+// Clip Library
+// Copyright (c) 2015-2024 David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#include "clip.h"
+#include "clip_lock_impl.h"
+
+#include <vector>
+#include <stdexcept>
+
+namespace clip {
+
+namespace {
+
+void default_error_handler(ErrorCode code) {
+  static const char* err[] = {
+    "Cannot lock clipboard",
+    "Image format is not supported"
+  };
+  throw std::runtime_error(err[static_cast<int>(code)]);
+}
+
+} // anonymous namespace
+
+error_handler g_error_handler = default_error_handler;
+
+lock::lock(void* native_window_handle)
+  : p(new impl(native_window_handle)) {
+}
+
+lock::~lock() = default;
+
+bool lock::locked() const {
+  return p->locked();
+}
+
+bool lock::clear() {
+  return p->clear();
+}
+
+bool lock::is_convertible(format f) const {
+  return p->is_convertible(f);
+}
+
+bool lock::set_data(format f, const char* buf, size_t length) {
+  return p->set_data(f, buf, length);
+}
+
+bool lock::get_data(format f, char* buf, size_t len) const {
+  return p->get_data(f, buf, len);
+}
+
+size_t lock::get_data_length(format f) const {
+  return p->get_data_length(f);
+}
+
+#if CLIP_ENABLE_IMAGE
+
+bool lock::set_image(const image& img) {
+  return p->set_image(img);
+}
+
+bool lock::get_image(image& img) const {
+  return p->get_image(img);
+}
+
+bool lock::get_image_spec(image_spec& spec) const {
+  return p->get_image_spec(spec);
+}
+
+#endif // CLIP_ENABLE_IMAGE
+
+#if CLIP_ENABLE_LIST_FORMATS
+
+std::vector<format_info> lock::list_formats() const {
+  return p->list_formats();
+}
+
+#endif // CLIP_ENABLE_LIST_FORMATS
+
+format empty_format() { return 0; }
+format text_format()  { return 1; }
+#if CLIP_ENABLE_IMAGE
+format image_format() { return 2; }
+#endif
+
+bool has(format f) {
+  lock l;
+  if (l.locked())
+    return l.is_convertible(f);
+  else
+    return false;
+}
+
+bool clear() {
+  lock l;
+  if (l.locked())
+    return l.clear();
+  else
+    return false;
+}
+
+bool set_text(const std::string& value) {
+  lock l;
+  if (l.locked()) {
+    l.clear();
+    return l.set_data(text_format(), value.c_str(), value.size());
+  }
+  else
+    return false;
+}
+
+bool get_text(std::string& value) {
+  lock l;
+  if (!l.locked())
+    return false;
+
+  format f = text_format();
+  if (!l.is_convertible(f))
+    return false;
+
+  size_t len = l.get_data_length(f);
+  if (len > 0) {
+    std::vector<char> buf(len);
+    l.get_data(f, &buf[0], len);
+    value = &buf[0];
+    return true;
+  }
+  else {
+    value.clear();
+    return true;
+  }
+}
+
+#if CLIP_ENABLE_IMAGE
+
+bool set_image(const image& img) {
+  lock l;
+  if (l.locked()) {
+    l.clear();
+    return l.set_image(img);
+  }
+  else
+    return false;
+}
+
+bool get_image(image& img) {
+  lock l;
+  if (!l.locked())
+    return false;
+
+  format f = image_format();
+  if (!l.is_convertible(f))
+    return false;
+
+  return l.get_image(img);
+}
+
+bool get_image_spec(image_spec& spec) {
+  lock l;
+  if (!l.locked())
+    return false;
+
+  format f = image_format();
+  if (!l.is_convertible(f))
+    return false;
+
+  return l.get_image_spec(spec);
+}
+
+#endif // CLIP_ENABLE_IMAGE
+
+void set_error_handler(error_handler handler) {
+  g_error_handler = handler;
+}
+
+error_handler get_error_handler() {
+  return g_error_handler;
+}
+
+#ifdef HAVE_XCB_XLIB_H
+static int g_x11_timeout = 1000;
+void set_x11_wait_timeout(int msecs) { g_x11_timeout = msecs; }
+int get_x11_wait_timeout() { return g_x11_timeout; }
+#else
+void set_x11_wait_timeout(int) { }
+int get_x11_wait_timeout() { return 1000; }
+#endif
+
+} // namespace clip