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Add a function for fetching X11 atoms by name

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This commit is contained in:
Robbert van der Helm
2021-07-10 17:20:24 +02:00
parent 3372f4424e
commit ddac793e82
2 changed files with 40 additions and 37 deletions
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src/wine-host/editor.cpp
+30 -37
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@@ -65,7 +65,7 @@ constexpr char active_window_property_name[] = "_NET_ACTIVE_WINDOW";
* drag-and-drop. If the `editor_force_dnd` option is enabled we'll remove this
* property from `topmost_window` to work around a bug in REAPER.
*/
constexpr char x_dnd_aware_property_name[] = "XdndAware";
constexpr char xdnd_aware_property_name[] = "XdndAware";
/**
* Client message name for XEmbed messages. See
@@ -241,21 +241,12 @@ Editor::Editor(MainContext& main_context,
wine_window(get_x11_handle(win32_window.handle)),
topmost_window(
find_ancestor_windows(*x11_connection, parent_window).back()) {
xcb_generic_error_t* error;
// Used for input focus grabbing to only grab focus when the window is
// active.
xcb_intern_atom_cookie_t atom_cookie = xcb_intern_atom(
x11_connection.get(), true, strlen(active_window_property_name),
active_window_property_name);
std::unique_ptr<xcb_intern_atom_reply_t> atom_reply(
xcb_intern_atom_reply(x11_connection.get(), atom_cookie, &error));
THROW_X11_ERROR(error);
// In case the atom does not exist or the WM does not support this hint,
// we'll print a warning and fall back to grabbing focus when the user
// active. In case the atom does not exist or the WM does not support this
// hint, we'll print a warning and fall back to grabbing focus when the user
// clicks on the window (which should trigger a `WM_PARENTNOTIFY`).
active_window_property = atom_reply->atom;
active_window_property =
get_atom_by_name(*x11_connection, active_window_property_name);
if (!supports_ewmh_active_window()) {
std::cerr << "WARNING: The current window manager does not support the"
<< std::endl;
@@ -271,29 +262,19 @@ Editor::Editor(MainContext& main_context,
// `Configuration::editor_force_dnd` and the option description in the
// readme for more information.
if (config.editor_force_dnd) {
atom_cookie = xcb_intern_atom(x11_connection.get(), true,
strlen(x_dnd_aware_property_name),
x_dnd_aware_property_name);
atom_reply.reset(
xcb_intern_atom_reply(x11_connection.get(), atom_cookie, &error));
THROW_X11_ERROR(error);
const xcb_atom_t xcb_xdnd_aware_property =
get_atom_by_name(*x11_connection, xdnd_aware_property_name);
for (const xcb_window_t& window :
find_ancestor_windows(*x11_connection, parent_window)) {
xcb_delete_property(x11_connection.get(), window, atom_reply->atom);
xcb_delete_property(x11_connection.get(), window,
xcb_xdnd_aware_property);
}
}
// When using XEmbed we'll need the atoms for the corresponding properties
if (use_xembed) {
atom_cookie =
xcb_intern_atom(x11_connection.get(), true,
strlen(xembed_message_name), xembed_message_name);
atom_reply.reset(
xcb_intern_atom_reply(x11_connection.get(), atom_cookie, &error));
THROW_X11_ERROR(error);
xcb_xembed_message = atom_reply->atom;
xcb_xembed_message =
get_atom_by_name(*x11_connection, xembed_message_name);
}
// When not using XEmbed, Wine will interpret any local coordinates as
@@ -498,7 +479,7 @@ void Editor::fix_local_coordinates() const {
// inside directly inside of the dialog, and Waveform then moves the
// window 27 pixels down. That's why we cannot use `parent_window`
// here.
xcb_generic_error_t* error;
xcb_generic_error_t* error = nullptr;
const xcb_translate_coordinates_cookie_t translate_cookie =
xcb_translate_coordinates(x11_connection.get(), wine_window, root, 0,
0);
@@ -530,7 +511,7 @@ void Editor::fix_local_coordinates() const {
void Editor::set_input_focus(bool grab) const {
const xcb_window_t focus_target = grab ? parent_window : topmost_window;
xcb_generic_error_t* error;
xcb_generic_error_t* error = nullptr;
const xcb_get_input_focus_cookie_t focus_cookie =
xcb_get_input_focus(x11_connection.get());
const std::unique_ptr<xcb_get_input_focus_reply_t> focus_reply(
@@ -590,7 +571,7 @@ bool Editor::is_wine_window_active() const {
const xcb_window_t root_window =
get_root_window(*x11_connection, wine_window);
xcb_generic_error_t* error;
xcb_generic_error_t* error = nullptr;
const xcb_get_property_cookie_t property_cookie =
xcb_get_property(x11_connection.get(), false, root_window,
active_window_property, XCB_ATOM_WINDOW, 0, 1);
@@ -623,7 +604,7 @@ bool Editor::supports_ewmh_active_window() const {
// If the `_NET_ACTIVE_WINDOW` property does not exist on the root window,
// the returned property type will be `XCB_ATOM_NONE` as specified in the
// X11 manual
xcb_generic_error_t* error;
xcb_generic_error_t* error = nullptr;
const xcb_get_property_cookie_t property_cookie =
xcb_get_property(x11_connection.get(), false, root_window,
active_window_property, XCB_ATOM_WINDOW, 0, 1);
@@ -772,7 +753,7 @@ boost::container::small_vector<xcb_window_t, 8> find_ancestor_windows(
xcb_connection_t& x11_connection,
xcb_window_t starting_at) {
xcb_window_t current_window = starting_at;
xcb_generic_error_t* error;
xcb_generic_error_t* error = nullptr;
xcb_query_tree_cookie_t query_cookie =
xcb_query_tree(&x11_connection, starting_at);
std::unique_ptr<xcb_query_tree_reply_t> query_reply(
@@ -798,7 +779,7 @@ boost::container::small_vector<xcb_window_t, 8> find_ancestor_windows(
bool is_child_window_or_same(xcb_connection_t& x11_connection,
xcb_window_t child,
xcb_window_t parent) {
xcb_generic_error_t* error;
xcb_generic_error_t* error = nullptr;
xcb_query_tree_cookie_t query_cookie =
xcb_query_tree(&x11_connection, child);
std::unique_ptr<xcb_query_tree_reply_t> query_reply(
@@ -822,6 +803,18 @@ bool is_child_window_or_same(xcb_connection_t& x11_connection,
return false;
}
xcb_atom_t get_atom_by_name(xcb_connection_t& x11_connection,
const char* atom_name) {
xcb_generic_error_t* error = nullptr;
xcb_intern_atom_cookie_t atom_cookie =
xcb_intern_atom(&x11_connection, true, strlen(atom_name), atom_name);
std::unique_ptr<xcb_intern_atom_reply_t> atom_reply(
xcb_intern_atom_reply(&x11_connection, atom_cookie, &error));
THROW_X11_ERROR(error);
return atom_reply->atom;
}
Size get_maximum_screen_dimensions(xcb_connection_t& x11_connection) noexcept {
xcb_screen_iterator_t iter =
xcb_setup_roots_iterator(xcb_get_setup(&x11_connection));
@@ -845,7 +838,7 @@ Size get_maximum_screen_dimensions(xcb_connection_t& x11_connection) noexcept {
xcb_window_t get_root_window(xcb_connection_t& x11_connection,
xcb_window_t window) {
xcb_generic_error_t* error;
xcb_generic_error_t* error = nullptr;
const xcb_query_tree_cookie_t query_cookie =
xcb_query_tree(&x11_connection, window);
std::unique_ptr<xcb_query_tree_reply_t> query_reply(