htop/CRT.h

#ifndef HEADER_CRT
#define HEADER_CRT
/*
htop - CRT.h
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/

#if HAVE_SETUID_ENABLED
#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)

#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_SYSTEM,
   CPU_IOWAIT,
   CPU_IRQ,
   CPU_SOFTIRQ,
   CPU_STEAL,
   CPU_GUEST,
   PRESSURE_STALL_TEN,
   PRESSURE_STALL_SIXTY,
   PRESSURE_STALL_THREEHUNDRED,
   ZFS_MFU,
   ZFS_MRU,
   ZFS_ANON,
   ZFS_HEADER,
   ZFS_OTHER,
   ZFS_COMPRESSED,
   ZFS_RATIO,
   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'))


extern const char *CRT_treeStrAscii[TREE_STR_COUNT];

#ifdef HAVE_LIBNCURSESW

extern const char *CRT_treeStrUtf8[TREE_STR_COUNT];

extern bool CRT_utf8;

#endif

extern const char **CRT_treeStr;

extern int CRT_delay;

extern int* CRT_colors;

extern int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT];

extern int CRT_cursorX;

extern int CRT_scrollHAmount;

extern int CRT_scrollWheelVAmount;

extern char* CRT_termType;

// TODO move color scheme to Settings, perhaps?

extern int CRT_colorScheme;

extern void *backtraceArray[128];

#if HAVE_SETUID_ENABLED

#define DIE(msg) do { CRT_done(); fprintf(stderr, msg); exit(1); } while(0)

void CRT_dropPrivileges();

void CRT_restorePrivileges();

#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, bool allowUnicode);

void CRT_done();

void CRT_fatalError(const char* note);

int CRT_readKey();

void CRT_disableDelay();

void CRT_enableDelay();

void CRT_setColors(int colorScheme);

#endif