99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
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*
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*/
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#include "all.h"
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/*
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* Updates the WM_CLASS (consisting of the class and instance) for the
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* given window.
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*
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*/
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void window_update_class(i3Window *win, xcb_get_property_reply_t *prop) {
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if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
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DLOG("empty property, not updating\n");
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return;
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}
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/* We cannot use asprintf here since this property contains two
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* null-terminated strings (for compatibility reasons). Instead, we
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* use strdup() on both strings */
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char *new_class = xcb_get_property_value(prop);
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FREE(win->class_instance);
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FREE(win->class_class);
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win->class_instance = strdup(new_class);
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if ((strlen(new_class) + 1) < xcb_get_property_value_length(prop))
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win->class_class = strdup(new_class + strlen(new_class) + 1);
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else win->class_class = NULL;
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LOG("WM_CLASS changed to %s (instance), %s (class)\n",
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win->class_instance, win->class_class);
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}
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/*
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* Updates the name by using _NET_WM_NAME (encoded in UTF-8) for the given
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* window. Further updates using window_update_name_legacy will be ignored.
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*
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*/
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void window_update_name(i3Window *win, xcb_get_property_reply_t *prop) {
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if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
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DLOG("_NET_WM_NAME not specified, not changing\n");
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return;
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}
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/* Save the old pointer to make the update atomic */
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char *new_name;
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if (asprintf(&new_name, "%.*s", xcb_get_property_value_length(prop),
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(char*)xcb_get_property_value(prop)) == -1) {
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perror("asprintf()");
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DLOG("Could not get window name\n");
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}
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/* Convert it to UCS-2 here for not having to convert it later every time we want to pass it to X */
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FREE(win->name_x);
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FREE(win->name_json);
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win->name_json = new_name;
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win->name_x = convert_utf8_to_ucs2(win->name_json, &win->name_len);
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LOG("_NET_WM_NAME changed to \"%s\"\n", win->name_json);
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win->uses_net_wm_name = true;
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}
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/*
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* Updates the name by using WM_NAME (encoded in COMPOUND_TEXT). We do not
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* touch what the client sends us but pass it to xcb_image_text_8. To get
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* proper unicode rendering, the application has to use _NET_WM_NAME (see
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* window_update_name()).
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*
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*/
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void window_update_name_legacy(i3Window *win, xcb_get_property_reply_t *prop) {
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if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
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DLOG("prop == NULL\n");
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return;
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}
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/* ignore update when the window is known to already have a UTF-8 name */
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if (win->uses_net_wm_name)
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return;
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char *new_name;
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if (asprintf(&new_name, "%.*s", xcb_get_property_value_length(prop),
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(char*)xcb_get_property_value(prop)) == -1) {
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perror("asprintf()");
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DLOG("Could not get legacy window name\n");
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return;
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}
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LOG("Using legacy window title. Note that in order to get Unicode window "
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"titles in i3, the application has to set _NET_WM_NAME (UTF-8)\n");
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FREE(win->name_x);
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FREE(win->name_json);
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win->name_x = new_name;
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win->name_json = strdup(new_name);
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win->name_len = strlen(new_name);
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}
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