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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>
#if 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 KEY_WHEELUP KEY_F(20)
#define KEY_WHEELDOWN KEY_F(21)
#define KEY_RECLICK KEY_F(22)
//#link curses
/*{
#include <stdbool.h>
typedef enum TreeStr_ {
TREE_STR_HORZ,
TREE_STR_VERT,
TREE_STR_RTEE,
TREE_STR_BEND,
TREE_STR_TEND,
TREE_STR_OPEN,
TREE_STR_SHUT,
TREE_STR_COUNT
} TreeStr;
typedef enum ColorSchemes_ {
COLORSCHEME_DEFAULT = 0,
COLORSCHEME_MONOCHROME = 1,
COLORSCHEME_BLACKONWHITE = 2,
COLORSCHEME_LIGHTTERMINAL = 3,
COLORSCHEME_MIDNIGHT = 4,
COLORSCHEME_BLACKNIGHT = 5,
COLORSCHEME_BROKENGRAY = 6,
LAST_COLORSCHEME = 7,
} ColorSchemes;
typedef enum ColorElements_ {
RESET_COLOR,
DEFAULT_COLOR,
FUNCTION_BAR,
FUNCTION_KEY,
FAILED_SEARCH,
PANEL_HEADER_FOCUS,
PANEL_HEADER_UNFOCUS,
PANEL_SELECTION_FOCUS,
PANEL_SELECTION_FOLLOW,
PANEL_SELECTION_UNFOCUS,
LARGE_NUMBER,
METER_TEXT,
METER_VALUE,
LED_COLOR,
UPTIME,
BATTERY,
TASKS_RUNNING,
SWAP,
PROCESS,
PROCESS_SHADOW,
PROCESS_TAG,
PROCESS_MEGABYTES,
PROCESS_TREE,
PROCESS_R_STATE,
PROCESS_D_STATE,
PROCESS_BASENAME,
PROCESS_HIGH_PRIORITY,
PROCESS_LOW_PRIORITY,
PROCESS_THREAD,
PROCESS_THREAD_BASENAME,
BAR_BORDER,
BAR_SHADOW,
GRAPH_1,
GRAPH_2,
MEMORY_USED,
MEMORY_BUFFERS,
MEMORY_BUFFERS_TEXT,
MEMORY_CACHE,
LOAD,
LOAD_AVERAGE_FIFTEEN,
LOAD_AVERAGE_FIVE,
LOAD_AVERAGE_ONE,
CHECK_BOX,
CHECK_MARK,
CHECK_TEXT,
CLOCK,
HELP_BOLD,
HOSTNAME,
CPU_NICE,
CPU_NICE_TEXT,
CPU_NORMAL,
CPU_KERNEL,
CPU_IOWAIT,
CPU_IRQ,
CPU_SOFTIRQ,
CPU_STEAL,
CPU_GUEST,
LAST_COLORELEMENT
} ColorElements;
void CRT_fatalError(const char* note) __attribute__ ((noreturn));
void CRT_handleSIGSEGV(int sgn);
#define KEY_ALT(x) (KEY_F(64 - 26) + (x - 'A'))
}*/
const char *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
const char *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 +
"\xe2\x94\x80", // TREE_STR_SHUT ─
};
bool CRT_utf8 = false;
#endif
const char **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_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_KERNEL] = ColorPair(Red,Black),
[CPU_IOWAIT] = A_BOLD | ColorPair(Black, Black),
[CPU_IRQ] = ColorPair(Yellow,Black),
[CPU_SOFTIRQ] = ColorPair(Magenta,Black),
[CPU_STEAL] = ColorPair(Cyan,Black),
[CPU_GUEST] = ColorPair(Cyan,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_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_KERNEL] = A_BOLD,
[CPU_IOWAIT] = A_NORMAL,
[CPU_IRQ] = A_BOLD,
[CPU_SOFTIRQ] = A_BOLD,
[CPU_STEAL] = A_REVERSE,
[CPU_GUEST] = A_REVERSE,
},
[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_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_KERNEL] = 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),
},
[COLORSCHEME_LIGHTTERMINAL] = {
[RESET_COLOR] = ColorPair(Black,Black),
[DEFAULT_COLOR] = ColorPair(Black,Black),
[FUNCTION_BAR] = ColorPair(Black,Cyan),
[FUNCTION_KEY] = ColorPair(Black,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(Black,Black),
[LED_COLOR] = ColorPair(Green,Black),
[TASKS_RUNNING] = ColorPair(Green,Black),
[PROCESS] = ColorPair(Black,Black),
[PROCESS_SHADOW] = A_BOLD | ColorPairGrayBlack,
[PROCESS_TAG] = ColorPair(White,Blue),
[PROCESS_MEGABYTES] = ColorPair(Blue,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(Black,Black),
[LOAD_AVERAGE_FIVE] = ColorPair(Black,Black),
[LOAD_AVERAGE_ONE] = ColorPair(Black,Black),
[LOAD] = ColorPair(White,Black),
[HELP_BOLD] = ColorPair(Blue,Black),
[CLOCK] = ColorPair(White,Black),
[CHECK_BOX] = ColorPair(Blue,Black),
[CHECK_MARK] = ColorPair(Black,Black),
[CHECK_TEXT] = ColorPair(Black,Black),
[HOSTNAME] = ColorPair(White,Black),
[CPU_NICE] = ColorPair(Cyan,Black),
[CPU_NICE_TEXT] = ColorPair(Cyan,Black),
[CPU_NORMAL] = ColorPair(Green,Black),
[CPU_KERNEL] = ColorPair(Red,Black),
[CPU_IOWAIT] = A_BOLD | ColorPair(Black, Black),
[CPU_IRQ] = A_BOLD | ColorPair(Blue,Black),
[CPU_SOFTIRQ] = ColorPair(Blue,Black),
[CPU_STEAL] = ColorPair(Black,Black),
[CPU_GUEST] = ColorPair(Black,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_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_KERNEL] = A_BOLD | ColorPair(Red,Blue),
[CPU_IOWAIT] = A_BOLD | ColorPair(Blue,Blue),
[CPU_IRQ] = A_BOLD | ColorPair(Black,Blue),
[CPU_SOFTIRQ] = ColorPair(Black,Blue),
[CPU_STEAL] = ColorPair(White,Blue),
[CPU_GUEST] = ColorPair(White,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_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_KERNEL] = 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),
},
[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];
static void CRT_handleSIGTERM(int sgn) {
(void) sgn;
CRT_done();
exit(0);
}
#if 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
/* Turn setuid operations into NOPs */
#ifndef CRT_dropPrivileges
#define CRT_dropPrivileges()
#define CRT_restorePrivileges()
#endif
#endif
// TODO: pass an instance of Settings instead.
void CRT_init(int delay, int colorScheme) {
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')));
}
}
#ifndef DEBUG
signal(11, CRT_handleSIGSEGV);
#endif
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(strcmp(nl_langinfo(CODESET), "UTF-8") == 0)
CRT_utf8 = true;
else
CRT_utf8 = false;
#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;
if (colorScheme == COLORSCHEME_BLACKNIGHT) {
for (int i = 0; i < 8; i++)
for (int j = 0; j < 8; j++) {
if (ColorIndex(i,j) != ColorIndex(Magenta,Magenta)) {
init_pair(ColorIndex(i,j), i, j);
}
}
init_pair(ColorIndex(Magenta,Magenta), 8, 0);
} else {
for (int i = 0; i < 8; i++)
for (int j = 0; j < 8; j++) {
if (ColorIndex(i,j) != ColorIndex(Magenta,Magenta)) {
init_pair(ColorIndex(i,j), i, (j==0?-1:j));
}
}
init_pair(ColorIndex(Magenta,Magenta), 8, -1);
}
CRT_colors = CRT_colorSchemes[colorScheme];
}