htop/CRT.c at next · hishamhm/htop

This repository was archived by the owner on Sep 8, 2020. It is now read-only.

Repository navigation

48

htop - CRT.c

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 ColorIndexGrayBlack ColorIndex(Magenta,Magenta)

#define KEY_WHEELUP KEY_F(20)

#define KEY_WHEELDOWN KEY_F(21)

#define KEY_RECLICK KEY_F(22)

#define KEY_SHIFT_TAB KEY_F(23)

//#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,

PANEL_EDIT,

SCREENS_OTH_BORDER,

SCREENS_OTH_TEXT,

SCREENS_CUR_BORDER,

SCREENS_CUR_TEXT,

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),

[PANEL_EDIT] = ColorPair(White,Blue),

[SCREENS_OTH_BORDER] = ColorPair(Blue,Blue),

[SCREENS_OTH_TEXT] = ColorPair(Black,Blue),

[SCREENS_CUR_BORDER] = ColorPair(Green,Green),

[SCREENS_CUR_TEXT] = ColorPair(Black,Green),

[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,

[PANEL_EDIT] = A_BOLD,

[SCREENS_OTH_BORDER] = A_DIM,

[SCREENS_OTH_TEXT] = A_DIM,

[SCREENS_CUR_BORDER] = A_REVERSE,

[SCREENS_CUR_TEXT] = 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),

[PANEL_EDIT] = ColorPair(White,Blue),

[SCREENS_OTH_BORDER] = A_BOLD | ColorPair(Black,White),

[SCREENS_OTH_TEXT] = A_BOLD | ColorPair(Black,White),

[SCREENS_CUR_BORDER] = ColorPair(Green,Green),

[SCREENS_CUR_TEXT] = ColorPair(Black,Green),

[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),

[PANEL_EDIT] = ColorPair(White,Blue),

[SCREENS_OTH_BORDER] = ColorPair(Blue,Black),

[SCREENS_OTH_TEXT] = ColorPair(Blue,Black),

[SCREENS_CUR_BORDER] = ColorPair(Green,Green),

[SCREENS_CUR_TEXT] = ColorPair(Black,Green),

[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),

[PANEL_EDIT] = ColorPair(White,Blue),

[SCREENS_OTH_BORDER] = A_BOLD | ColorPair(Yellow,Blue),

[SCREENS_OTH_TEXT] = ColorPair(Cyan,Blue),

[SCREENS_CUR_BORDER] = ColorPair(Cyan,Cyan),

[SCREENS_CUR_TEXT] = ColorPair(Black,Cyan),

[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),

[PANEL_EDIT] = ColorPair(White,Cyan),

[SCREENS_OTH_BORDER] = ColorPair(White,Black),

[SCREENS_OTH_TEXT] = ColorPair(Cyan,Black),

[SCREENS_CUR_BORDER] = A_BOLD | ColorPair(White,Black),

[SCREENS_CUR_TEXT] = A_BOLD | ColorPair(Green,Black),

[COLORSCHEME_BROKENGRAY] = { 0 } // dynamically generated.

};

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

// 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));

define_key("\033[Z", KEY_SHIFT_TAB);

char sequence[3] = "\033a";

for (char c = 'a'; c <= 'z'; c++) {

sequence[1] = c;

define_key(sequence, KEY_ALT('A' + (c - 'a')));

}

if (String_startsWith(CRT_termType, "rxvt")) {

define_key("\033[Z", KEY_SHIFT_TAB);

}

#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;

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];

}

FilesExpand file tree

CRT.c

Latest commit

History

CRT.c

File metadata and controls