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htop/CRT.c

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/*
htop - CRT.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h"
#include "CRT.h"
#include "StringUtils.h"
#include "RichString.h"
#include <stdio.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#include <langinfo.h>
#ifdef HAVE_SETUID_ENABLED
#include <unistd.h>
#include <sys/types.h>
#endif
#define ColorIndex(i,j) ((7-i)*8+j)
#define ColorPair(i,j) COLOR_PAIR(ColorIndex(i,j))
#define Black COLOR_BLACK
#define Red COLOR_RED
#define Green COLOR_GREEN
#define Yellow COLOR_YELLOW
#define Blue COLOR_BLUE
#define Magenta COLOR_MAGENTA
#define Cyan COLOR_CYAN
#define White COLOR_WHITE
#define ColorPairGrayBlack ColorPair(Magenta,Magenta)
#define ColorIndexGrayBlack ColorIndex(Magenta,Magenta)
static const char *const CRT_treeStrAscii[TREE_STR_COUNT] = {
"-", // TREE_STR_HORZ
"|", // TREE_STR_VERT
"`", // TREE_STR_RTEE
"`", // TREE_STR_BEND
",", // TREE_STR_TEND
"+", // TREE_STR_OPEN
"-", // TREE_STR_SHUT
};
#ifdef HAVE_LIBNCURSESW
static const char *const CRT_treeStrUtf8[TREE_STR_COUNT] = {
"\xe2\x94\x80", // TREE_STR_HORZ ─
"\xe2\x94\x82", // TREE_STR_VERT │
"\xe2\x94\x9c", // TREE_STR_RTEE ├
"\xe2\x94\x94", // TREE_STR_BEND └
"\xe2\x94\x8c", // TREE_STR_TEND ┌
"+", // TREE_STR_OPEN +, TODO use 🮯 'BOX DRAWINGS LIGHT HORIZONTAL
// WITH VERTICAL STROKE' (U+1FBAF, "\xf0\x9f\xae\xaf") when
// Unicode 13 is common
"\xe2\x94\x80", // TREE_STR_SHUT ─
};
bool CRT_utf8 = false;
#endif
const char *const *CRT_treeStr = CRT_treeStrAscii;
static bool CRT_hasColors;
int CRT_delay = 0;
int* CRT_colors;
int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
[COLORSCHEME_DEFAULT] = {
[RESET_COLOR] = ColorPair(White,Black),
[DEFAULT_COLOR] = ColorPair(White,Black),
[FUNCTION_BAR] = ColorPair(Black,Cyan),
[FUNCTION_KEY] = ColorPair(White,Black),
[PANEL_HEADER_FOCUS] = ColorPair(Black,Green),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black,Green),
[PANEL_SELECTION_FOCUS] = ColorPair(Black,Cyan),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
[PANEL_SELECTION_UNFOCUS] = ColorPair(Black,White),
[FAILED_SEARCH] = ColorPair(Red,Cyan),
[UPTIME] = A_BOLD | ColorPair(Cyan,Black),
[BATTERY] = A_BOLD | ColorPair(Cyan,Black),
[LARGE_NUMBER] = A_BOLD | ColorPair(Red,Black),
[METER_TEXT] = ColorPair(Cyan,Black),
[METER_VALUE] = A_BOLD | ColorPair(Cyan,Black),
[LED_COLOR] = ColorPair(Green,Black),
[TASKS_RUNNING] = A_BOLD | ColorPair(Green,Black),
[PROCESS] = A_NORMAL,
[PROCESS_SHADOW] = A_BOLD | ColorPairGrayBlack,
[PROCESS_TAG] = A_BOLD | ColorPair(Yellow,Black),
[PROCESS_MEGABYTES] = ColorPair(Cyan,Black),
[PROCESS_GIGABYTES] = ColorPair(Green,Black),
[PROCESS_BASENAME] = A_BOLD | ColorPair(Cyan,Black),
[PROCESS_TREE] = ColorPair(Cyan,Black),
[PROCESS_R_STATE] = ColorPair(Green,Black),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red,Black),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red,Black),
[PROCESS_LOW_PRIORITY] = ColorPair(Green,Black),
[PROCESS_THREAD] = ColorPair(Green,Black),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Green,Black),
[BAR_BORDER] = A_BOLD,
[BAR_SHADOW] = A_BOLD | ColorPairGrayBlack,
[SWAP] = ColorPair(Red,Black),
[GRAPH_1] = A_BOLD | ColorPair(Cyan,Black),
[GRAPH_2] = ColorPair(Cyan,Black),
[MEMORY_USED] = ColorPair(Green,Black),
[MEMORY_BUFFERS] = ColorPair(Blue,Black),
[MEMORY_BUFFERS_TEXT] = A_BOLD | ColorPair(Blue,Black),
[MEMORY_CACHE] = ColorPair(Yellow,Black),
[LOAD_AVERAGE_FIFTEEN] = ColorPair(Cyan,Black),
[LOAD_AVERAGE_FIVE] = A_BOLD | ColorPair(Cyan,Black),
[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(White,Black),
[LOAD] = A_BOLD,
[HELP_BOLD] = A_BOLD | ColorPair(Cyan,Black),
[CLOCK] = A_BOLD,
[CHECK_BOX] = ColorPair(Cyan,Black),
[CHECK_MARK] = A_BOLD,
[CHECK_TEXT] = A_NORMAL,
[HOSTNAME] = A_BOLD,
[CPU_NICE] = ColorPair(Blue,Black),
[CPU_NICE_TEXT] = A_BOLD | ColorPair(Blue,Black),
[CPU_NORMAL] = ColorPair(Green,Black),
[CPU_SYSTEM] = ColorPair(Red,Black),
[CPU_IOWAIT] = A_BOLD | ColorPairGrayBlack,
[CPU_IRQ] = ColorPair(Yellow,Black),
[CPU_SOFTIRQ] = ColorPair(Magenta,Black),
[CPU_STEAL] = ColorPair(Cyan,Black),
[CPU_GUEST] = ColorPair(Cyan,Black),
[PRESSURE_STALL_THREEHUNDRED] = ColorPair(Cyan,Black),
[PRESSURE_STALL_SIXTY] = A_BOLD | ColorPair(Cyan,Black),
[PRESSURE_STALL_TEN] = A_BOLD | ColorPair(White,Black),
[ZFS_MFU] = ColorPair(Blue,Black),
[ZFS_MRU] = ColorPair(Yellow,Black),
[ZFS_ANON] = ColorPair(Magenta,Black),
[ZFS_HEADER] = ColorPair(Cyan,Black),
[ZFS_OTHER] = ColorPair(Magenta,Black),
[ZFS_COMPRESSED] = ColorPair(Blue,Black),
[ZFS_RATIO] = ColorPair(Magenta,Black),
[DISKIO_UTIL_HIGH] = A_BOLD | ColorPair(White,Black),
[DISKIO_READ] = ColorPair(Green,Black),
[DISKIO_WRITE] = ColorPair(Blue,Black),
},
[COLORSCHEME_MONOCHROME] = {
[RESET_COLOR] = A_NORMAL,
[DEFAULT_COLOR] = A_NORMAL,
[FUNCTION_BAR] = A_REVERSE,
[FUNCTION_KEY] = A_NORMAL,
[PANEL_HEADER_FOCUS] = A_REVERSE,
[PANEL_HEADER_UNFOCUS] = A_REVERSE,
[PANEL_SELECTION_FOCUS] = A_REVERSE,
[PANEL_SELECTION_FOLLOW] = A_REVERSE,
[PANEL_SELECTION_UNFOCUS] = A_BOLD,
[FAILED_SEARCH] = A_REVERSE | A_BOLD,
[UPTIME] = A_BOLD,
[BATTERY] = A_BOLD,
[LARGE_NUMBER] = A_BOLD,
[METER_TEXT] = A_NORMAL,
[METER_VALUE] = A_BOLD,
[LED_COLOR] = A_NORMAL,
[TASKS_RUNNING] = A_BOLD,
[PROCESS] = A_NORMAL,
[PROCESS_SHADOW] = A_DIM,
[PROCESS_TAG] = A_BOLD,
[PROCESS_MEGABYTES] = A_BOLD,
[PROCESS_GIGABYTES] = A_BOLD,
[PROCESS_BASENAME] = A_BOLD,
[PROCESS_TREE] = A_BOLD,
[PROCESS_R_STATE] = A_BOLD,
[PROCESS_D_STATE] = A_BOLD,
[PROCESS_HIGH_PRIORITY] = A_BOLD,
[PROCESS_LOW_PRIORITY] = A_DIM,
[PROCESS_THREAD] = A_BOLD,
[PROCESS_THREAD_BASENAME] = A_REVERSE,
[BAR_BORDER] = A_BOLD,
[BAR_SHADOW] = A_DIM,
[SWAP] = A_BOLD,
[GRAPH_1] = A_BOLD,
[GRAPH_2] = A_NORMAL,
[MEMORY_USED] = A_BOLD,
[MEMORY_BUFFERS] = A_NORMAL,
[MEMORY_BUFFERS_TEXT] = A_NORMAL,
[MEMORY_CACHE] = A_NORMAL,
[LOAD_AVERAGE_FIFTEEN] = A_DIM,
[LOAD_AVERAGE_FIVE] = A_NORMAL,
[LOAD_AVERAGE_ONE] = A_BOLD,
[LOAD] = A_BOLD,
[HELP_BOLD] = A_BOLD,
[CLOCK] = A_BOLD,
[CHECK_BOX] = A_BOLD,
[CHECK_MARK] = A_NORMAL,
[CHECK_TEXT] = A_NORMAL,
[HOSTNAME] = A_BOLD,
[CPU_NICE] = A_NORMAL,
[CPU_NICE_TEXT] = A_NORMAL,
[CPU_NORMAL] = A_BOLD,
[CPU_SYSTEM] = A_BOLD,
[CPU_IOWAIT] = A_NORMAL,
[CPU_IRQ] = A_BOLD,
[CPU_SOFTIRQ] = A_BOLD,
[CPU_STEAL] = A_DIM,
[CPU_GUEST] = A_DIM,
[PRESSURE_STALL_THREEHUNDRED] = A_DIM,
[PRESSURE_STALL_SIXTY] = A_NORMAL,
[PRESSURE_STALL_TEN] = A_BOLD,
[ZFS_MFU] = A_NORMAL,
[ZFS_MRU] = A_NORMAL,
[ZFS_ANON] = A_DIM,
[ZFS_HEADER] = A_BOLD,
[ZFS_OTHER] = A_DIM,
[ZFS_COMPRESSED] = A_BOLD,
[ZFS_RATIO] = A_BOLD,
[DISKIO_UTIL_HIGH] = A_BOLD,
[DISKIO_READ] = A_NORMAL,
[DISKIO_WRITE] = A_NORMAL,
},
[COLORSCHEME_BLACKONWHITE] = {
[RESET_COLOR] = ColorPair(Black,White),
[DEFAULT_COLOR] = ColorPair(Black,White),
[FUNCTION_BAR] = ColorPair(Black,Cyan),
[FUNCTION_KEY] = ColorPair(Black,White),
[PANEL_HEADER_FOCUS] = ColorPair(Black,Green),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black,Green),
[PANEL_SELECTION_FOCUS] = ColorPair(Black,Cyan),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
[PANEL_SELECTION_UNFOCUS] = ColorPair(Blue,White),
[FAILED_SEARCH] = ColorPair(Red,Cyan),
[UPTIME] = ColorPair(Yellow,White),
[BATTERY] = ColorPair(Yellow,White),
[LARGE_NUMBER] = ColorPair(Red,White),
[METER_TEXT] = ColorPair(Blue,White),
[METER_VALUE] = ColorPair(Black,White),
[LED_COLOR] = ColorPair(Green,White),
[TASKS_RUNNING] = ColorPair(Green,White),
[PROCESS] = ColorPair(Black,White),
[PROCESS_SHADOW] = A_BOLD | ColorPair(Black,White),
[PROCESS_TAG] = ColorPair(White,Blue),
[PROCESS_MEGABYTES] = ColorPair(Blue,White),
[PROCESS_GIGABYTES] = ColorPair(Green,White),
[PROCESS_BASENAME] = ColorPair(Blue,White),
[PROCESS_TREE] = ColorPair(Green,White),
[PROCESS_R_STATE] = ColorPair(Green,White),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red,White),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red,White),
[PROCESS_LOW_PRIORITY] = ColorPair(Green,White),
[PROCESS_THREAD] = ColorPair(Blue,White),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Blue,White),
[BAR_BORDER] = ColorPair(Blue,White),
[BAR_SHADOW] = ColorPair(Black,White),
[SWAP] = ColorPair(Red,White),
[GRAPH_1] = A_BOLD | ColorPair(Blue,White),
[GRAPH_2] = ColorPair(Blue,White),
[MEMORY_USED] = ColorPair(Green,White),
[MEMORY_BUFFERS] = ColorPair(Cyan,White),
[MEMORY_BUFFERS_TEXT] = ColorPair(Cyan,White),
[MEMORY_CACHE] = ColorPair(Yellow,White),
[LOAD_AVERAGE_FIFTEEN] = ColorPair(Black,White),
[LOAD_AVERAGE_FIVE] = ColorPair(Black,White),
[LOAD_AVERAGE_ONE] = ColorPair(Black,White),
[LOAD] = ColorPair(Black,White),
[HELP_BOLD] = ColorPair(Blue,White),
[CLOCK] = ColorPair(Black,White),
[CHECK_BOX] = ColorPair(Blue,White),
[CHECK_MARK] = ColorPair(Black,White),
[CHECK_TEXT] = ColorPair(Black,White),
[HOSTNAME] = ColorPair(Black,White),
[CPU_NICE] = ColorPair(Cyan,White),
[CPU_NICE_TEXT] = ColorPair(Cyan,White),
[CPU_NORMAL] = ColorPair(Green,White),
[CPU_SYSTEM] = ColorPair(Red,White),
[CPU_IOWAIT] = A_BOLD | ColorPair(Black,White),
[CPU_IRQ] = ColorPair(Blue,White),
[CPU_SOFTIRQ] = ColorPair(Blue,White),
[CPU_STEAL] = ColorPair(Cyan,White),
[CPU_GUEST] = ColorPair(Cyan,White),
[PRESSURE_STALL_THREEHUNDRED] = ColorPair(Black,White),
[PRESSURE_STALL_SIXTY] = ColorPair(Black,White),
[PRESSURE_STALL_TEN] = ColorPair(Black,White),
[ZFS_MFU] = ColorPair(Cyan,White),
[ZFS_MRU] = ColorPair(Yellow,White),
[ZFS_ANON] = ColorPair(Magenta,White),
[ZFS_HEADER] = ColorPair(Yellow,White),
[ZFS_OTHER] = ColorPair(Magenta,White),
[ZFS_COMPRESSED] = ColorPair(Cyan,White),
[ZFS_RATIO] = ColorPair(Magenta,White),
[DISKIO_UTIL_HIGH] = A_BOLD | ColorPair(Yellow,White),
[DISKIO_READ] = ColorPair(Green,White),
[DISKIO_WRITE] = ColorPair(Blue,White),
},
[COLORSCHEME_LIGHTTERMINAL] = {
[RESET_COLOR] = ColorPair(Blue,Black),
[DEFAULT_COLOR] = ColorPair(Blue,Black),
[FUNCTION_BAR] = ColorPair(Black,Cyan),
[FUNCTION_KEY] = ColorPair(Blue,Black),
[PANEL_HEADER_FOCUS] = ColorPair(Black,Green),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black,Green),
[PANEL_SELECTION_FOCUS] = ColorPair(Black,Cyan),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
[PANEL_SELECTION_UNFOCUS] = ColorPair(Blue,Black),
[FAILED_SEARCH] = ColorPair(Red,Cyan),
[UPTIME] = ColorPair(Yellow,Black),
[BATTERY] = ColorPair(Yellow,Black),
[LARGE_NUMBER] = ColorPair(Red,Black),
[METER_TEXT] = ColorPair(Blue,Black),
[METER_VALUE] = ColorPair(Blue,Black),
[LED_COLOR] = ColorPair(Green,Black),
[TASKS_RUNNING] = ColorPair(Green,Black),
[PROCESS] = ColorPair(Blue,Black),
[PROCESS_SHADOW] = A_BOLD | ColorPairGrayBlack,
[PROCESS_TAG] = ColorPair(Yellow,Blue),
[PROCESS_MEGABYTES] = ColorPair(Blue,Black),
[PROCESS_GIGABYTES] = ColorPair(Green,Black),
[PROCESS_BASENAME] = ColorPair(Green,Black),
[PROCESS_TREE] = ColorPair(Blue,Black),
[PROCESS_R_STATE] = ColorPair(Green,Black),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red,Black),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red,Black),
[PROCESS_LOW_PRIORITY] = ColorPair(Green,Black),
[PROCESS_THREAD] = ColorPair(Blue,Black),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Blue,Black),
[BAR_BORDER] = ColorPair(Blue,Black),
[BAR_SHADOW] = ColorPairGrayBlack,
[SWAP] = ColorPair(Red,Black),
[GRAPH_1] = A_BOLD | ColorPair(Cyan,Black),
[GRAPH_2] = ColorPair(Cyan,Black),
[MEMORY_USED] = ColorPair(Green,Black),
[MEMORY_BUFFERS] = ColorPair(Cyan,Black),
[MEMORY_BUFFERS_TEXT] = ColorPair(Cyan,Black),
[MEMORY_CACHE] = ColorPair(Yellow,Black),
[LOAD_AVERAGE_FIFTEEN] = ColorPair(Blue,Black),
[LOAD_AVERAGE_FIVE] = ColorPair(Blue,Black),
[LOAD_AVERAGE_ONE] = ColorPair(Yellow,Black),
[LOAD] = ColorPair(Yellow,Black),
[HELP_BOLD] = ColorPair(Blue,Black),
[CLOCK] = ColorPair(Yellow,Black),
[CHECK_BOX] = ColorPair(Blue,Black),
[CHECK_MARK] = ColorPair(Blue,Black),
[CHECK_TEXT] = ColorPair(Blue,Black),
[HOSTNAME] = ColorPair(Yellow,Black),
[CPU_NICE] = ColorPair(Cyan,Black),
[CPU_NICE_TEXT] = ColorPair(Cyan,Black),
[CPU_NORMAL] = ColorPair(Green,Black),
[CPU_SYSTEM] = ColorPair(Red,Black),
[CPU_IOWAIT] = A_BOLD | ColorPair(Blue,Black),
[CPU_IRQ] = A_BOLD | ColorPair(Blue,Black),
[CPU_SOFTIRQ] = ColorPair(Blue,Black),
[CPU_STEAL] = ColorPair(Blue,Black),
[CPU_GUEST] = ColorPair(Blue,Black),
[PRESSURE_STALL_THREEHUNDRED] = ColorPair(Blue,Black),
[PRESSURE_STALL_SIXTY] = ColorPair(Blue,Black),
[PRESSURE_STALL_TEN] = ColorPair(Blue,Black),
[ZFS_MFU] = ColorPair(Cyan,Black),
[ZFS_MRU] = ColorPair(Yellow,Black),
[ZFS_ANON] = A_BOLD | ColorPair(Magenta,Black),
[ZFS_HEADER] = ColorPair(Blue,Black),
[ZFS_OTHER] = A_BOLD | ColorPair(Magenta,Black),
[ZFS_COMPRESSED] = ColorPair(Cyan,Black),
[ZFS_RATIO] = A_BOLD | ColorPair(Magenta,Black),
[DISKIO_UTIL_HIGH] = A_BOLD | ColorPair(Yellow,Black),
[DISKIO_READ] = ColorPair(Green,Black),
[DISKIO_WRITE] = ColorPair(Blue,Black),
},
[COLORSCHEME_MIDNIGHT] = {
[RESET_COLOR] = ColorPair(White,Blue),
[DEFAULT_COLOR] = ColorPair(White,Blue),
[FUNCTION_BAR] = ColorPair(Black,Cyan),
[FUNCTION_KEY] = A_NORMAL,
[PANEL_HEADER_FOCUS] = ColorPair(Black,Cyan),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black,Cyan),
[PANEL_SELECTION_FOCUS] = ColorPair(Black,White),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
[PANEL_SELECTION_UNFOCUS] = A_BOLD | ColorPair(Yellow,Blue),
[FAILED_SEARCH] = ColorPair(Red,Cyan),
[UPTIME] = A_BOLD | ColorPair(Yellow,Blue),
[BATTERY] = A_BOLD | ColorPair(Yellow,Blue),
[LARGE_NUMBER] = A_BOLD | ColorPair(Red,Blue),
[METER_TEXT] = ColorPair(Cyan,Blue),
[METER_VALUE] = A_BOLD | ColorPair(Cyan,Blue),
[LED_COLOR] = ColorPair(Green,Blue),
[TASKS_RUNNING] = A_BOLD | ColorPair(Green,Blue),
[PROCESS] = ColorPair(White,Blue),
[PROCESS_SHADOW] = A_BOLD | ColorPair(Black,Blue),
[PROCESS_TAG] = A_BOLD | ColorPair(Yellow,Blue),
[PROCESS_MEGABYTES] = ColorPair(Cyan,Blue),
[PROCESS_GIGABYTES] = ColorPair(Green,Blue),
[PROCESS_BASENAME] = A_BOLD | ColorPair(Cyan,Blue),
[PROCESS_TREE] = ColorPair(Cyan,Blue),
[PROCESS_R_STATE] = ColorPair(Green,Blue),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red,Blue),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red,Blue),
[PROCESS_LOW_PRIORITY] = ColorPair(Green,Blue),
[PROCESS_THREAD] = ColorPair(Green,Blue),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Green,Blue),
[BAR_BORDER] = A_BOLD | ColorPair(Yellow,Blue),
[BAR_SHADOW] = ColorPair(Cyan,Blue),
[SWAP] = ColorPair(Red,Blue),
[GRAPH_1] = A_BOLD | ColorPair(Cyan,Blue),
[GRAPH_2] = ColorPair(Cyan,Blue),
[MEMORY_USED] = A_BOLD | ColorPair(Green,Blue),
[MEMORY_BUFFERS] = A_BOLD | ColorPair(Cyan,Blue),
[MEMORY_BUFFERS_TEXT] = A_BOLD | ColorPair(Cyan,Blue),
[MEMORY_CACHE] = A_BOLD | ColorPair(Yellow,Blue),
[LOAD_AVERAGE_FIFTEEN] = A_BOLD | ColorPair(Black,Blue),
[LOAD_AVERAGE_FIVE] = A_NORMAL | ColorPair(White,Blue),
[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(White,Blue),
[LOAD] = A_BOLD | ColorPair(White,Blue),
[HELP_BOLD] = A_BOLD | ColorPair(Cyan,Blue),
[CLOCK] = ColorPair(White,Blue),
[CHECK_BOX] = ColorPair(Cyan,Blue),
[CHECK_MARK] = A_BOLD | ColorPair(White,Blue),
[CHECK_TEXT] = A_NORMAL | ColorPair(White,Blue),
[HOSTNAME] = ColorPair(White,Blue),
[CPU_NICE] = A_BOLD | ColorPair(Cyan,Blue),
[CPU_NICE_TEXT] = A_BOLD | ColorPair(Cyan,Blue),
[CPU_NORMAL] = A_BOLD | ColorPair(Green,Blue),
[CPU_SYSTEM] = A_BOLD | ColorPair(Red,Blue),
[CPU_IOWAIT] = A_BOLD | ColorPair(Black,Blue),
[CPU_IRQ] = A_BOLD | ColorPair(Black,Blue),
[CPU_SOFTIRQ] = ColorPair(Black,Blue),
[CPU_STEAL] = ColorPair(White,Blue),
[CPU_GUEST] = ColorPair(White,Blue),
[PRESSURE_STALL_THREEHUNDRED] = A_BOLD | ColorPair(Black,Blue),
[PRESSURE_STALL_SIXTY] = A_NORMAL | ColorPair(White,Blue),
[PRESSURE_STALL_TEN] = A_BOLD | ColorPair(White,Blue),
[ZFS_MFU] = A_BOLD | ColorPair(White,Blue),
[ZFS_MRU] = A_BOLD | ColorPair(Yellow,Blue),
[ZFS_ANON] = A_BOLD | ColorPair(Magenta,Blue),
[ZFS_HEADER] = A_BOLD | ColorPair(Yellow,Blue),
[ZFS_OTHER] = A_BOLD | ColorPair(Magenta,Blue),
[ZFS_COMPRESSED] = A_BOLD | ColorPair(White,Blue),
[ZFS_RATIO] = A_BOLD | ColorPair(Magenta,Blue),
[DISKIO_UTIL_HIGH] = A_BOLD | ColorPair(White,Blue),
[DISKIO_READ] = ColorPair(Green,Blue),
[DISKIO_WRITE] = ColorPair(Black,Blue),
},
[COLORSCHEME_BLACKNIGHT] = {
[RESET_COLOR] = ColorPair(Cyan,Black),
[DEFAULT_COLOR] = ColorPair(Cyan,Black),
[FUNCTION_BAR] = ColorPair(Black,Green),
[FUNCTION_KEY] = ColorPair(Cyan,Black),
[PANEL_HEADER_FOCUS] = ColorPair(Black,Green),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black,Green),
[PANEL_SELECTION_FOCUS] = ColorPair(Black,Cyan),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
[PANEL_SELECTION_UNFOCUS] = ColorPair(Black,White),
[FAILED_SEARCH] = ColorPair(Red,Cyan),
[UPTIME] = ColorPair(Green,Black),
[BATTERY] = ColorPair(Green,Black),
[LARGE_NUMBER] = A_BOLD | ColorPair(Red,Black),
[METER_TEXT] = ColorPair(Cyan,Black),
[METER_VALUE] = ColorPair(Green,Black),
[LED_COLOR] = ColorPair(Green,Black),
[TASKS_RUNNING] = A_BOLD | ColorPair(Green,Black),
[PROCESS] = ColorPair(Cyan,Black),
[PROCESS_SHADOW] = A_BOLD | ColorPairGrayBlack,
[PROCESS_TAG] = A_BOLD | ColorPair(Yellow,Black),
[PROCESS_MEGABYTES] = A_BOLD | ColorPair(Green,Black),
[PROCESS_GIGABYTES] = A_BOLD | ColorPair(Yellow,Black),
[PROCESS_BASENAME] = A_BOLD | ColorPair(Green,Black),
[PROCESS_TREE] = ColorPair(Cyan,Black),
[PROCESS_THREAD] = ColorPair(Green,Black),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Blue,Black),
[PROCESS_R_STATE] = ColorPair(Green,Black),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red,Black),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red,Black),
[PROCESS_LOW_PRIORITY] = ColorPair(Green,Black),
[BAR_BORDER] = A_BOLD | ColorPair(Green,Black),
[BAR_SHADOW] = ColorPair(Cyan,Black),
[SWAP] = ColorPair(Red,Black),
[GRAPH_1] = A_BOLD | ColorPair(Green,Black),
[GRAPH_2] = ColorPair(Green,Black),
[MEMORY_USED] = ColorPair(Green,Black),
[MEMORY_BUFFERS] = ColorPair(Blue,Black),
[MEMORY_BUFFERS_TEXT] = A_BOLD | ColorPair(Blue,Black),
[MEMORY_CACHE] = ColorPair(Yellow,Black),
[LOAD_AVERAGE_FIFTEEN] = ColorPair(Green,Black),
[LOAD_AVERAGE_FIVE] = ColorPair(Green,Black),
[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(Green,Black),
[LOAD] = A_BOLD,
[HELP_BOLD] = A_BOLD | ColorPair(Cyan,Black),
[CLOCK] = ColorPair(Green,Black),
[CHECK_BOX] = ColorPair(Green,Black),
[CHECK_MARK] = A_BOLD | ColorPair(Green,Black),
[CHECK_TEXT] = ColorPair(Cyan,Black),
[HOSTNAME] = ColorPair(Green,Black),
[CPU_NICE] = ColorPair(Blue,Black),
[CPU_NICE_TEXT] = A_BOLD | ColorPair(Blue,Black),
[CPU_NORMAL] = ColorPair(Green,Black),
[CPU_SYSTEM] = ColorPair(Red,Black),
[CPU_IOWAIT] = ColorPair(Yellow,Black),
[CPU_IRQ] = A_BOLD | ColorPair(Blue,Black),
[CPU_SOFTIRQ] = ColorPair(Blue,Black),
[CPU_STEAL] = ColorPair(Cyan,Black),
[CPU_GUEST] = ColorPair(Cyan,Black),
[PRESSURE_STALL_THREEHUNDRED] = ColorPair(Green,Black),
[PRESSURE_STALL_SIXTY] = ColorPair(Green,Black),
[PRESSURE_STALL_TEN] = A_BOLD | ColorPair(Green,Black),
[ZFS_MFU] = ColorPair(Blue,Black),
[ZFS_MRU] = ColorPair(Yellow,Black),
[ZFS_ANON] = ColorPair(Magenta,Black),
[ZFS_HEADER] = ColorPair(Yellow,Black),
[ZFS_OTHER] = ColorPair(Magenta,Black),
[ZFS_COMPRESSED] = ColorPair(Blue,Black),
[ZFS_RATIO] = ColorPair(Magenta,Black),
[DISKIO_UTIL_HIGH] = A_BOLD | ColorPair(Green,Black),
[DISKIO_READ] = ColorPair(Green,Black),
[DISKIO_WRITE] = ColorPair(Blue,Black),
},
[COLORSCHEME_BROKENGRAY] = { 0 } // dynamically generated.
};
int CRT_cursorX = 0;
int CRT_scrollHAmount = 5;
int CRT_scrollWheelVAmount = 10;
char* CRT_termType;
// TODO move color scheme to Settings, perhaps?
int CRT_colorScheme = 0;
void *backtraceArray[128];
ATTR_NORETURN
static void CRT_handleSIGTERM(int sgn) {
(void) sgn;
CRT_done();
exit(0);
}
#ifdef HAVE_SETUID_ENABLED
static int CRT_euid = -1;
static int CRT_egid = -1;
#define DIE(msg) do { CRT_done(); fprintf(stderr, msg); exit(1); } while(0)
void CRT_dropPrivileges() {
CRT_egid = getegid();
CRT_euid = geteuid();
if (setegid(getgid()) == -1) {
DIE("Fatal error: failed dropping group privileges.\n");
}
if (seteuid(getuid()) == -1) {
DIE("Fatal error: failed dropping user privileges.\n");
}
}
void CRT_restorePrivileges() {
if (CRT_egid == -1 || CRT_euid == -1) {
DIE("Fatal error: internal inconsistency.\n");
}
if (setegid(CRT_egid) == -1) {
DIE("Fatal error: failed restoring group privileges.\n");
}
if (seteuid(CRT_euid) == -1) {
DIE("Fatal error: failed restoring user privileges.\n");
}
}
#else /* HAVE_SETUID_ENABLED */
// In this case, the setuid operations are defined as macros in CRT.h
#endif /* HAVE_SETUID_ENABLED */
// TODO: pass an instance of Settings instead.
struct sigaction old_sigsegv_handler;
void CRT_init(int delay, int colorScheme, bool allowUnicode) {
initscr();
noecho();
CRT_delay = delay;
if (CRT_delay == 0) {
CRT_delay = 1;
}
CRT_colors = CRT_colorSchemes[colorScheme];
CRT_colorScheme = colorScheme;
for (int i = 0; i < LAST_COLORELEMENT; i++) {
unsigned int color = CRT_colorSchemes[COLORSCHEME_DEFAULT][i];
CRT_colorSchemes[COLORSCHEME_BROKENGRAY][i] = color == (A_BOLD | ColorPairGrayBlack) ? ColorPair(White,Black) : color;
}
halfdelay(CRT_delay);
nonl();
intrflush(stdscr, false);
keypad(stdscr, true);
mouseinterval(0);
curs_set(0);
if (has_colors()) {
start_color();
CRT_hasColors = true;
} else {
CRT_hasColors = false;
}
CRT_termType = getenv("TERM");
if (String_eq(CRT_termType, "linux"))
CRT_scrollHAmount = 20;
else
CRT_scrollHAmount = 5;
if (String_startsWith(CRT_termType, "xterm") || String_eq(CRT_termType, "vt220")) {
define_key("\033[H", KEY_HOME);
define_key("\033[F", KEY_END);
define_key("\033[7~", KEY_HOME);
define_key("\033[8~", KEY_END);
define_key("\033OP", KEY_F(1));
define_key("\033OQ", KEY_F(2));
define_key("\033OR", KEY_F(3));
define_key("\033OS", KEY_F(4));
define_key("\033[11~", KEY_F(1));
define_key("\033[12~", KEY_F(2));
define_key("\033[13~", KEY_F(3));
define_key("\033[14~", KEY_F(4));
define_key("\033[17;2~", KEY_F(18));
char sequence[3] = "\033a";
for (char c = 'a'; c <= 'z'; c++) {
sequence[1] = c;
define_key(sequence, KEY_ALT('A' + (c - 'a')));
}
}
struct sigaction act;
sigemptyset (&act.sa_mask);
act.sa_flags = (int)SA_RESETHAND;
act.sa_handler = CRT_handleSIGSEGV;
sigaction (SIGSEGV, &act, &old_sigsegv_handler);
signal(SIGTERM, CRT_handleSIGTERM);
signal(SIGQUIT, CRT_handleSIGTERM);
use_default_colors();
if (!has_colors())
CRT_colorScheme = 1;
CRT_setColors(CRT_colorScheme);
/* initialize locale */
setlocale(LC_CTYPE, "");
#ifdef HAVE_LIBNCURSESW
if (allowUnicode && strcmp(nl_langinfo(CODESET), "UTF-8") == 0)
CRT_utf8 = true;
else
CRT_utf8 = false;
#else
(void) allowUnicode;
#endif
CRT_treeStr =
#ifdef HAVE_LIBNCURSESW
CRT_utf8 ? CRT_treeStrUtf8 :
#endif
CRT_treeStrAscii;
#if NCURSES_MOUSE_VERSION > 1
mousemask(BUTTON1_RELEASED | BUTTON4_PRESSED | BUTTON5_PRESSED, NULL);
#else
mousemask(BUTTON1_RELEASED, NULL);
#endif
}
void CRT_done() {
curs_set(1);
endwin();
}
void CRT_fatalError(const char* note) {
char* sysMsg = strerror(errno);
CRT_done();
fprintf(stderr, "%s: %s\n", note, sysMsg);
exit(2);
}
int CRT_readKey() {
nocbreak();
cbreak();
nodelay(stdscr, FALSE);
int ret = getch();
halfdelay(CRT_delay);
return ret;
}
void CRT_disableDelay() {
nocbreak();
cbreak();
nodelay(stdscr, TRUE);
}
void CRT_enableDelay() {
halfdelay(CRT_delay);
}
void CRT_setColors(int colorScheme) {
CRT_colorScheme = colorScheme;
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j++) {
if (ColorIndex(i,j) != ColorPairGrayBlack) {
int bg = (colorScheme != COLORSCHEME_BLACKNIGHT)
? (j==0 ? -1 : j)
: j;
init_pair(ColorIndex(i,j), i, bg);
}
}
}
int grayBlackFg = COLORS > 8 ? 8 : 0;
int grayBlackBg = (colorScheme != COLORSCHEME_BLACKNIGHT)
? -1
: 0;
init_pair(ColorIndexGrayBlack, grayBlackFg, grayBlackBg);
CRT_colors = CRT_colorSchemes[colorScheme];
}
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