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@ -28,6 +28,8 @@
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/Xrandr.h>
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#include <X11/cursorfont.h>
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#include "chansrv.h"
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#include "rail.h"
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#include "xcommon.h"
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@ -65,6 +67,8 @@ static int g_got_focus = 0;
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static int g_focus_counter = 0;
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static Window g_focus_win = 0;
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static int g_xrr_event_base = 0; /* non zero means we got extension */
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/* used in valid field of struct rail_window_data */
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#define RWD_X (1 << 0)
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#define RWD_Y (1 << 1)
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@ -79,7 +83,7 @@ struct rail_window_data
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int y;
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int width;
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int height;
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char title[64]; /* first 64 bytes of title for compare */
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int title_crc; /* crc of title for compare */
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};
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/* Indicates a Client Execute PDU from client to server. */
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@ -325,6 +329,11 @@ rail_is_another_wm_running(void)
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int APP_CC
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rail_init(void)
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{
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int dummy;
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int ver_maj;
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int ver_min;
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Status st;
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LOG(10, ("chansrv::rail_init:"));
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xcommon_init();
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@ -338,6 +347,29 @@ rail_init(void)
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rail_send_init();
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g_rail_up = 1;
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g_rwd_atom = XInternAtom(g_display, "XRDP_RAIL_WINDOW_DATA", 0);
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if (!XRRQueryExtension(g_display, &g_xrr_event_base, &dummy))
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{
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g_xrr_event_base = 0;
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log_message(LOG_LEVEL_ERROR, "rail_init: RandR extension not found");
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}
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if (g_xrr_event_base > 0)
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{
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LOG(0, ("rail_init: found RandR entension"));
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st = XRRQueryVersion(g_display, &ver_maj, &ver_min);
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if (st)
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{
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LOG(0, ("rail_init: RandR version major %d minor %d", ver_maj, ver_min));
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}
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XRRSelectInput(g_display, g_root_window, RRScreenChangeNotifyMask);
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}
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if (g_default_cursor == 0)
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{
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g_default_cursor = XCreateFontCursor(g_display, XC_left_ptr);
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XDefineCursor(g_display, g_root_window, g_default_cursor);
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}
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return 0;
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}
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@ -513,12 +545,22 @@ rail_process_activate(struct stream *s, int size)
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{
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int window_id;
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int enabled;
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int index;
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XWindowAttributes window_attributes;
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Window transient_for = 0;
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LOG(10, ("chansrv::rail_process_activate:"));
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in_uint32_le(s, window_id);
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in_uint8(s, enabled);
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index = list_index_of(g_window_list, window_id);
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if (index < 0)
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{
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LOG(10, ("chansrv::rail_process_activate: window 0x%8.8x not in list",
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window_id));
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return 0;
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}
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g_focus_counter++;
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g_got_focus = enabled;
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LOG(10, (" window_id 0x%8.8x enabled %d", window_id, enabled));
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@ -781,11 +823,20 @@ rail_process_system_command(struct stream *s, int size)
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{
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int window_id;
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int command;
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int index;
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LOG(10, ("chansrv::rail_process_system_command:"));
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in_uint32_le(s, window_id);
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in_uint16_le(s, command);
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index = list_index_of(g_window_list, window_id);
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if (index < 0)
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{
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LOG(10, ("chansrv::rail_process_system_command: window 0x%8.8x not in list",
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window_id));
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return 0;
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}
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switch (command)
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{
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case SC_SIZE:
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@ -1061,6 +1112,77 @@ rail_data_in(struct stream *s, int chan_id, int chan_flags, int length,
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return 0;
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}
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static int g_crc_seed = 0xffffffff;
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static int g_crc_table[256] =
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{
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
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0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
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0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
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0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
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0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
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0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
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0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
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0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
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0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
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0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
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0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
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0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
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0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
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0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
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0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
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0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
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0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
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0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
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0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
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0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
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0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
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0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
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0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
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0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
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0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
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0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
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0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
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0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
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0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
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0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
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0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
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0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
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0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
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0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
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0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
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0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
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0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
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0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
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0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
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0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
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0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
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0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
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};
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#define CRC_START(in_crc) (in_crc) = g_crc_seed
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#define CRC_PASS(in_pixel, in_crc) \
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(in_crc) = g_crc_table[((in_crc) ^ (in_pixel)) & 0xff] ^ ((in_crc) >> 8)
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#define CRC_END(in_crc) (in_crc) = ((in_crc) ^ g_crc_seed)
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/*****************************************************************************/
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static int
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get_string_crc(const char* text)
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{
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int index;
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int crc;
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CRC_START(crc);
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index = 0;
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while (text[index] != 0)
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{
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CRC_PASS(text[index], crc);
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index++;
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}
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CRC_END(crc);
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return crc;
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}
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/*****************************************************************************/
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/* returns 0, event handled, 1 unhandled */
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static int APP_CC
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@ -1070,6 +1192,7 @@ rail_win_send_text(Window win)
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struct stream* s;
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int len = 0;
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int flags;
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int crc;
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struct rail_window_data* rwd;
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len = rail_win_get_text(win, &data);
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@ -1080,7 +1203,8 @@ rail_win_send_text(Window win)
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{
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if (rwd->valid & RWD_TITLE)
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{
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if (g_strncmp(rwd->title, data, 63) == 0)
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crc = get_string_crc(data);
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if (rwd->title_crc == crc)
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{
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LOG(10, ("chansrv::rail_win_send_text: skipping, title not changed"));
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XFree(data);
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@ -1112,7 +1236,8 @@ rail_win_send_text(Window win)
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XFree(data);
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/* update rail window data */
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rwd->valid |= RWD_TITLE;
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g_strncpy(rwd->title, data, 63);
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crc = get_string_crc(data);
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rwd->title_crc = crc;
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rail_set_window_data(win, rwd);
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}
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XFree(rwd);
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@ -1182,6 +1307,7 @@ rail_create_window(Window window_id, Window owner_id)
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int flags;
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int index;
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int crc;
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Window transient_for = 0;
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struct rail_window_data* rwd;
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struct stream* s;
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@ -1252,14 +1378,15 @@ rail_create_window(Window window_id, Window owner_id)
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out_uint16_le(s, title_size); /* title_size */
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out_uint8a(s, title_bytes, title_size); /* title */
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rwd->valid |= RWD_TITLE;
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g_strncpy(rwd->title, title_bytes, 63);
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crc = get_string_crc(title_bytes);
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rwd->title_crc = crc;
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}
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else
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{
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out_uint16_le(s, 5); /* title_size */
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out_uint8a(s, "title", 5); /* title */
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rwd->valid |= RWD_TITLE;
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rwd->title[0] = 0;
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rwd->title_crc = 0;
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}
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LOG(10, (" set title info %d", title_size));
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flags |= WINDOW_ORDER_FIELD_TITLE;
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@ -1602,6 +1729,14 @@ rail_configure_window(XConfigureEvent *config)
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return 0;
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}
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/*****************************************************************************/
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static int
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rail_desktop_resize(lxevent)
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{
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LOG(0, ("rail_desktop_resize:"));
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return 0;
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}
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/*****************************************************************************/
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/* returns 0, event handled, 1 unhandled */
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int APP_CC
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@ -1632,6 +1767,12 @@ rail_xevent(void *xevent)
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LOG(10, (" got PropertyNotify window_id 0x%8.8x %s state new %d",
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lxevent->xproperty.window, prop_name,
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lxevent->xproperty.state == PropertyNewValue));
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if (list_index_of(g_window_list, lxevent->xproperty.window) < 0)
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{
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break;
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}
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if (g_strcmp(prop_name, "WM_NAME") == 0 ||
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g_strcmp(prop_name, "_NET_WM_NAME") == 0)
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{
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@ -1644,6 +1785,7 @@ rail_xevent(void *xevent)
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}
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XFree(prop_name);
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break;
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case ConfigureRequest:
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LOG(10, (" got ConfigureRequest window_id 0x%8.8x", lxevent->xconfigurerequest.window));
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g_memset(&xwc, 0, sizeof(xwc));
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@ -1667,12 +1809,17 @@ rail_xevent(void *xevent)
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lxevent->xcreatewindow.window, lxevent->xcreatewindow.parent));
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XSelectInput(g_display, lxevent->xcreatewindow.window,
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PropertyChangeMask | StructureNotifyMask |
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FocusChangeMask |
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SubstructureNotifyMask | FocusChangeMask |
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EnterWindowMask | LeaveWindowMask);
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break;
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case DestroyNotify:
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LOG(10, (" got DestroyNotify 0x%8.8x", lxevent->xdestroywindow.window));
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LOG(10, (" got DestroyNotify window 0x%8.8x event 0x%8.8x",
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lxevent->xdestroywindow.window, lxevent->xdestroywindow.event));
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if (lxevent->xdestroywindow.window != lxevent->xdestroywindow.event)
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{
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break;
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}
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index = list_index_of(g_window_list, lxevent->xdestroywindow.window);
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if (index >= 0)
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{
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@ -1692,24 +1839,34 @@ rail_xevent(void *xevent)
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lxevent->xmap.window, lxevent->xmap.event));
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if (lxevent->xmap.window != lxevent->xmap.event)
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{
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XGetWindowAttributes(g_display, lxevent->xmap.window, &wnd_attributes);
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if (wnd_attributes.map_state == IsViewable)
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break;
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}
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if (!is_window_valid_child_of_root(lxevent->xmap.window))
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{
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break;
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}
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XGetWindowAttributes(g_display, lxevent->xmap.window, &wnd_attributes);
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if (wnd_attributes.map_state == IsViewable)
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{
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rail_create_window(lxevent->xmap.window, lxevent->xmap.event);
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if (!wnd_attributes.override_redirect)
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{
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rail_create_window(lxevent->xmap.window, lxevent->xmap.event);
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if (!wnd_attributes.override_redirect)
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{
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rail_win_set_state(lxevent->xmap.window, 0x1); /* NormalState */
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rail_win_send_text(lxevent->xmap.window);
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}
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rv = 0;
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rail_win_set_state(lxevent->xmap.window, 0x1); /* NormalState */
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rail_win_send_text(lxevent->xmap.window);
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}
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rv = 0;
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}
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break;
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case UnmapNotify:
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LOG(10, (" got UnmapNotify 0x%8.8x", lxevent->xunmap.event));
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if (lxevent->xunmap.window != lxevent->xunmap.event &&
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is_window_valid_child_of_root(lxevent->xunmap.window))
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if (lxevent->xunmap.window != lxevent->xunmap.event)
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{
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break;
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}
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if (is_window_valid_child_of_root(lxevent->xunmap.window))
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{
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index = list_index_of(g_window_list, lxevent->xunmap.window);
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LOG(10, (" window 0x%8.8x is unmapped", lxevent->xunmap.window));
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@ -1751,6 +1908,10 @@ rail_xevent(void *xevent)
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g_focus_win = lxevent->xfocus.window;
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break;
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case FocusOut:
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LOG(10, (" got FocusOut"));
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break;
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case ButtonPress:
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LOG(10, (" got ButtonPress"));
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break;
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@ -1770,6 +1931,10 @@ rail_xevent(void *xevent)
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lxevent->xreparent.event, lxevent->xreparent.x,
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lxevent->xreparent.y, lxevent->xreparent.override_redirect));
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if (lxevent->xreparent.window != lxevent->xreparent.event)
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{
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break;
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}
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if (lxevent->xreparent.parent != g_root_window)
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{
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index = list_index_of(g_window_list, lxevent->xreparent.window);
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@ -1781,6 +1946,17 @@ rail_xevent(void *xevent)
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}
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rv = 0;
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break;
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default:
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if (g_xrr_event_base > 0)
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{
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if (lxevent->type == g_xrr_event_base + RRScreenChangeNotify)
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{
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rail_desktop_resize(lxevent);
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rv = 0;
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break;
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}
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}
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}
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return rv;
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Jim Grandy
11 years ago