GUACAMOLE-1302: Add VNC support for forcing lossless compression.
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@ -91,6 +91,8 @@ const char* GUAC_VNC_CLIENT_ARGS[] = {
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"wol-broadcast-addr",
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"wol-udp-port",
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"wol-wait-time",
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"force-lossless",
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NULL
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};
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@ -373,6 +375,12 @@ enum VNC_ARGS_IDX {
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*/
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IDX_WOL_WAIT_TIME,
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/**
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* "true" if all graphical updates for this connection should use lossless
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* compresion only, "false" or blank otherwise.
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*/
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IDX_FORCE_LOSSLESS,
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VNC_ARGS_COUNT
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};
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@ -432,6 +440,11 @@ guac_vnc_settings* guac_vnc_parse_args(guac_user* user,
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guac_user_parse_args_int(user, GUAC_VNC_CLIENT_ARGS, argv,
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IDX_COLOR_DEPTH, 0);
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/* Lossless compression */
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settings->lossless =
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guac_user_parse_args_boolean(user, GUAC_VNC_CLIENT_ARGS, argv,
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IDX_FORCE_LOSSLESS, false);
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#ifdef ENABLE_VNC_REPEATER
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/* Set repeater parameters if specified */
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settings->dest_host =
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@ -77,6 +77,12 @@ typedef struct guac_vnc_settings {
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*/
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bool read_only;
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/**
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* Whether all graphical updates for this connection should use lossless
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* compression only.
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*/
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bool lossless;
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#ifdef ENABLE_VNC_REPEATER
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/**
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* The VNC host to connect to, if using a repeater.
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@ -435,6 +435,10 @@ void* guac_vnc_client_thread(void* data) {
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vnc_client->display = guac_common_display_alloc(client,
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rfb_client->width, rfb_client->height);
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/* Use lossless compression only if requested (otherwise, use default
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* heuristics) */
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guac_common_display_set_lossless(vnc_client->display, settings->lossless);
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/* If not read-only, set an appropriate cursor */
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if (settings->read_only == 0) {
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if (settings->remote_cursor)
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