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htop/Action.c

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/*
htop - Action.c
(C) 2015 Hisham H. Muhammad
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include "Action.h"
#include <pwd.h>
#include <stdbool.h>
#include <stdlib.h>
#include "CRT.h"
#include "CategoriesPanel.h"
#include "CommandScreen.h"
#include "DynamicColumn.h"
#include "EnvScreen.h"
#include "FunctionBar.h"
#include "Hashtable.h"
#include "IncSet.h"
#include "InfoScreen.h"
#include "ListItem.h"
#include "Macros.h"
#include "MainPanel.h"
#include "OpenFilesScreen.h"
#include "Process.h"
#include "ProcessLocksScreen.h"
#include "ProvideCurses.h"
#include "ScreenManager.h"
#include "SignalsPanel.h"
#include "TraceScreen.h"
#include "Vector.h"
#include "XUtils.h"
#if (defined(HAVE_LIBHWLOC) || defined(HAVE_AFFINITY))
#include "Affinity.h"
#include "AffinityPanel.h"
#endif
Object* Action_pickFromVector(State* st, Panel* list, int x, bool followProcess) {
MainPanel* mainPanel = st->mainPanel;
Header* header = st->header;
int y = ((Panel*)mainPanel)->y;
ScreenManager* scr = ScreenManager_new(header, st->settings, st, false);
scr->allowFocusChange = false;
ScreenManager_add(scr, list, x);
ScreenManager_add(scr, (Panel*)mainPanel, -1);
Panel* panelFocus;
int ch;
bool unfollow = false;
int pid = followProcess ? MainPanel_selectedPid(mainPanel) : -1;
if (followProcess && header->pl->following == -1) {
header->pl->following = pid;
unfollow = true;
}
ScreenManager_run(scr, &panelFocus, &ch, NULL);
if (unfollow) {
header->pl->following = -1;
}
ScreenManager_delete(scr);
Panel_move((Panel*)mainPanel, 0, y);
Panel_resize((Panel*)mainPanel, COLS, LINES - y - 1);
if (panelFocus == list && ch == 13) {
if (followProcess) {
const Process* selected = (const Process*)Panel_getSelected((Panel*)mainPanel);
if (selected && selected->pid == pid)
return Panel_getSelected(list);
beep();
} else {
return Panel_getSelected(list);
}
}
return NULL;
}
// ----------------------------------------
static void Action_runSetup(State* st) {
ScreenManager* scr = ScreenManager_new(st->header, st->settings, st, true);
CategoriesPanel_new(scr, st->settings, st->header, st->pl);
ScreenManager_run(scr, NULL, NULL, "Setup");
ScreenManager_delete(scr);
if (st->settings->changed) {
CRT_setMouse(st->settings->enableMouse);
Header_writeBackToSettings(st->header);
}
}
static bool changePriority(MainPanel* panel, int delta) {
bool anyTagged;
bool ok = MainPanel_foreachProcess(panel, Process_changePriorityBy, (Arg) { .i = delta }, &anyTagged);
if (!ok)
beep();
return anyTagged;
}
static void addUserToVector(ht_key_t key, void* userCast, void* panelCast) {
const char* user = userCast;
Panel* panel = panelCast;
Panel_add(panel, (Object*) ListItem_new(user, key));
}
bool Action_setUserOnly(const char* userName, uid_t* userId) {
const struct passwd* user = getpwnam(userName);
if (user) {
*userId = user->pw_uid;
return true;
}
*userId = (uid_t)-1;
return false;
}
static void tagAllChildren(Panel* panel, Process* parent) {
parent->tag = true;
pid_t ppid = parent->pid;
for (int i = 0; i < Panel_size(panel); i++) {
Process* p = (Process*) Panel_get(panel, i);
if (!p->tag && Process_isChildOf(p, ppid)) {
tagAllChildren(panel, p);
}
}
}
static bool expandCollapse(Panel* panel) {
Process* p = (Process*) Panel_getSelected(panel);
if (!p)
return false;
p->showChildren = !p->showChildren;
return true;
}
static bool collapseIntoParent(Panel* panel) {
const Process* p = (Process*) Panel_getSelected(panel);
if (!p)
return false;
pid_t ppid = Process_getParentPid(p);
for (int i = 0; i < Panel_size(panel); i++) {
Process* q = (Process*) Panel_get(panel, i);
if (q->pid == ppid) {
q->showChildren = false;
Panel_setSelected(panel, i);
return true;
}
}
return false;
}
Htop_Reaction Action_setSortKey(Settings* settings, ProcessField sortKey) {
ScreenSettings_setSortKey(settings->ss, sortKey);
return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_UPDATE_PANELHDR | HTOP_KEEP_FOLLOWING;
}
// ----------------------------------------
static Htop_Reaction actionSetSortColumn(State* st) {
Htop_Reaction reaction = HTOP_OK;
Panel* sortPanel = Panel_new(0, 0, 0, 0, Class(ListItem), true, FunctionBar_newEnterEsc("Sort ", "Cancel "));
Panel_setHeader(sortPanel, "Sort by");
const Settings* settings = st->settings;
const ProcessField* fields = settings->ss->fields;
Hashtable* dynamicColumns = settings->dynamicColumns;
for (int i = 0; fields[i]; i++) {
char* name = NULL;
if (fields[i] >= LAST_PROCESSFIELD) {
DynamicColumn* column = Hashtable_get(dynamicColumns, fields[i]);
if (!column)
continue;
name = xStrdup(column->caption ? column->caption : column->name);
} else {
name = String_trim(Process_fields[fields[i]].name);
}
Panel_add(sortPanel, (Object*) ListItem_new(name, fields[i]));
if (fields[i] == ScreenSettings_getActiveSortKey(settings->ss))
Panel_setSelected(sortPanel, i);
free(name);
}
const ListItem* field = (const ListItem*) Action_pickFromVector(st, sortPanel, 14, false);
if (field) {
reaction |= Action_setSortKey(st->settings, field->key);
}
Object_delete(sortPanel);
st->pl->needsSort = true;
return reaction | HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionSortByPID(State* st) {
return Action_setSortKey(st->settings, PID);
}
static Htop_Reaction actionSortByMemory(State* st) {
return Action_setSortKey(st->settings, PERCENT_MEM);
}
static Htop_Reaction actionSortByCPU(State* st) {
return Action_setSortKey(st->settings, PERCENT_CPU);
}
static Htop_Reaction actionSortByTime(State* st) {
return Action_setSortKey(st->settings, TIME);
}
static Htop_Reaction actionToggleKernelThreads(State* st) {
st->settings->hideKernelThreads = !st->settings->hideKernelThreads;
return HTOP_RECALCULATE | HTOP_SAVE_SETTINGS | HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionToggleUserlandThreads(State* st) {
st->settings->hideUserlandThreads = !st->settings->hideUserlandThreads;
return HTOP_RECALCULATE | HTOP_SAVE_SETTINGS | HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionToggleProgramPath(State* st) {
st->settings->showProgramPath = !st->settings->showProgramPath;
return HTOP_REFRESH | HTOP_SAVE_SETTINGS;
}
static Htop_Reaction actionToggleMergedCommand(State* st) {
st->settings->showMergedCommand = !st->settings->showMergedCommand;
return HTOP_REFRESH | HTOP_SAVE_SETTINGS;
}
static Htop_Reaction actionToggleTreeView(State* st) {
ScreenSettings* ss = st->settings->ss;
ss->treeView = !ss->treeView;
if (!ss->allBranchesCollapsed)
ProcessList_expandTree(st->pl);
return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_KEEP_FOLLOWING | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionExpandOrCollapseAllBranches(State* st) {
ScreenSettings* ss = st->settings->ss;
ss->allBranchesCollapsed = !ss->allBranchesCollapsed;
if (ss->allBranchesCollapsed)
ProcessList_collapseAllBranches(st->pl);
else
ProcessList_expandTree(st->pl);
return HTOP_REFRESH | HTOP_SAVE_SETTINGS;
}
static Htop_Reaction actionIncFilter(State* st) {
IncSet* inc = (st->mainPanel)->inc;
IncSet_activate(inc, INC_FILTER, (Panel*)st->mainPanel);
st->pl->incFilter = IncSet_filter(inc);
return HTOP_REFRESH | HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionIncSearch(State* st) {
IncSet_reset(st->mainPanel->inc, INC_SEARCH);
IncSet_activate(st->mainPanel->inc, INC_SEARCH, (Panel*)st->mainPanel);
return HTOP_REFRESH | HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionHigherPriority(State* st) {
if (Settings_isReadonly())
return HTOP_OK;
bool changed = changePriority(st->mainPanel, -1);
return changed ? HTOP_REFRESH : HTOP_OK;
}
static Htop_Reaction actionLowerPriority(State* st) {
if (Settings_isReadonly())
return HTOP_OK;
bool changed = changePriority(st->mainPanel, 1);
return changed ? HTOP_REFRESH : HTOP_OK;
}
static Htop_Reaction actionInvertSortOrder(State* st) {
ScreenSettings_invertSortOrder(st->settings->ss);
st->pl->needsSort = true;
return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionExpandOrCollapse(State* st) {
bool changed = expandCollapse((Panel*)st->mainPanel);
return changed ? HTOP_RECALCULATE : HTOP_OK;
}
static Htop_Reaction actionCollapseIntoParent(State* st) {
if (!st->settings->ss->treeView) {
return HTOP_OK;
}
bool changed = collapseIntoParent((Panel*)st->mainPanel);
return changed ? HTOP_RECALCULATE : HTOP_OK;
}
static Htop_Reaction actionExpandCollapseOrSortColumn(State* st) {
return st->settings->ss->treeView ? actionExpandOrCollapse(st) : actionSetSortColumn(st);
}
static Htop_Reaction actionNextScreen(State* st) {
Settings* settings = st->settings;
settings->ssIndex++;
if (settings->ssIndex == settings->nScreens) {
settings->ssIndex = 0;
}
settings->ss = settings->screens[settings->ssIndex];
return HTOP_REFRESH;
}
static Htop_Reaction actionPrevScreen(State* st) {
Settings* settings = st->settings;
if (settings->ssIndex == 0) {
settings->ssIndex = settings->nScreens - 1;
} else {
settings->ssIndex--;
}
settings->ss = settings->screens[settings->ssIndex];
return HTOP_REFRESH;
}
Htop_Reaction Action_setScreenTab(Settings* settings, int x) {
int s = 2;
for (unsigned int i = 0; i < settings->nScreens; i++) {
if (x < s) {
return 0;
}
const char* name = settings->screens[i]->name;
int len = strlen(name);
if (x <= s + len + 1) {
settings->ssIndex = i;
settings->ss = settings->screens[i];
return HTOP_REFRESH;
}
s += len + 3;
}
return 0;
}
static Htop_Reaction actionQuit(ATTR_UNUSED State* st) {
return HTOP_QUIT;
}
static Htop_Reaction actionSetAffinity(State* st) {
if (Settings_isReadonly())
return HTOP_OK;
if (st->pl->activeCPUs == 1)
return HTOP_OK;
#if (defined(HAVE_LIBHWLOC) || defined(HAVE_AFFINITY))
const Process* p = (const Process*) Panel_getSelected((Panel*)st->mainPanel);
if (!p)
return HTOP_OK;
Affinity* affinity1 = Affinity_get(p, st->pl);
if (!affinity1)
return HTOP_OK;
int width;
Panel* affinityPanel = AffinityPanel_new(st->pl, affinity1, &width);
Affinity_delete(affinity1);
const void* set = Action_pickFromVector(st, affinityPanel, width, true);
if (set) {
Affinity* affinity2 = AffinityPanel_getAffinity(affinityPanel, st->pl);
bool ok = MainPanel_foreachProcess(st->mainPanel, Affinity_set, (Arg) { .v = affinity2 }, NULL);
if (!ok)
beep();
Affinity_delete(affinity2);
}
Object_delete(affinityPanel);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
#else
return HTOP_OK;
#endif
}
static Htop_Reaction actionKill(State* st) {
if (Settings_isReadonly())
return HTOP_OK;
static int preSelectedSignal = SIGNALSPANEL_INITSELECTEDSIGNAL;
Panel* signalsPanel = SignalsPanel_new(preSelectedSignal);
const ListItem* sgn = (ListItem*) Action_pickFromVector(st, signalsPanel, 14, true);
if (sgn && sgn->key != 0) {
preSelectedSignal = sgn->key;
Panel_setHeader((Panel*)st->mainPanel, "Sending...");
Panel_draw((Panel*)st->mainPanel, false, true, true, State_hideFunctionBar(st));
refresh();
MainPanel_foreachProcess(st->mainPanel, Process_sendSignal, (Arg) { .i = sgn->key }, NULL);
napms(500);
}
Panel_delete((Object*)signalsPanel);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionFilterByUser(State* st) {
Panel* usersPanel = Panel_new(0, 0, 0, 0, Class(ListItem), true, FunctionBar_newEnterEsc("Show ", "Cancel "));
Panel_setHeader(usersPanel, "Show processes of:");
UsersTable_foreach(st->ut, addUserToVector, usersPanel);
Vector_insertionSort(usersPanel->items);
ListItem* allUsers = ListItem_new("All users", -1);
Panel_insert(usersPanel, 0, (Object*) allUsers);
const ListItem* picked = (ListItem*) Action_pickFromVector(st, usersPanel, 19, false);
if (picked) {
if (picked == allUsers) {
st->pl->userId = (uid_t)-1;
} else {
Action_setUserOnly(ListItem_getRef(picked), &(st->pl->userId));
}
}
Panel_delete((Object*)usersPanel);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
Htop_Reaction Action_follow(State* st) {
st->pl->following = MainPanel_selectedPid(st->mainPanel);
Panel_setSelectionColor((Panel*)st->mainPanel, PANEL_SELECTION_FOLLOW);
return HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionSetup(State* st) {
Action_runSetup(st);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR | HTOP_RESIZE;
}
static Htop_Reaction actionLsof(State* st) {
if (Settings_isReadonly())
return HTOP_OK;
const Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
if (!p)
return HTOP_OK;
OpenFilesScreen* ofs = OpenFilesScreen_new(p);
InfoScreen_run((InfoScreen*)ofs);
OpenFilesScreen_delete((Object*)ofs);
clear();
CRT_enableDelay();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionShowLocks(State* st) {
const Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
if (!p)
return HTOP_OK;
ProcessLocksScreen* pls = ProcessLocksScreen_new(p);
InfoScreen_run((InfoScreen*)pls);
ProcessLocksScreen_delete((Object*)pls);
clear();
CRT_enableDelay();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionStrace(State* st) {
if (Settings_isReadonly())
return HTOP_OK;
const Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
if (!p)
return HTOP_OK;
TraceScreen* ts = TraceScreen_new(p);
bool ok = TraceScreen_forkTracer(ts);
if (ok) {
InfoScreen_run((InfoScreen*)ts);
}
TraceScreen_delete((Object*)ts);
clear();
CRT_enableDelay();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionTag(State* st) {
Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
if (!p)
return HTOP_OK;
Process_toggleTag(p);
Panel_onKey((Panel*)st->mainPanel, KEY_DOWN);
return HTOP_OK;
}
static Htop_Reaction actionRedraw(ATTR_UNUSED State* st) {
clear();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionTogglePauseProcessUpdate(State* st) {
st->pauseProcessUpdate = !st->pauseProcessUpdate;
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static const struct {
const char* key;
bool roInactive;
const char* info;
} helpLeft[] = {
{ .key = " Tab: ", .roInactive = false, .info = "switch to next screen tab" },
{ .key = " Arrows: ", .roInactive = false, .info = "scroll process list" },
{ .key = " Digits: ", .roInactive = false, .info = "incremental PID search" },
{ .key = " F3 /: ", .roInactive = false, .info = "incremental name search" },
{ .key = " F4 \\: ", .roInactive = false, .info = "incremental name filtering" },
{ .key = " F5 t: ", .roInactive = false, .info = "tree view" },
{ .key = " p: ", .roInactive = false, .info = "toggle program path" },
{ .key = " m: ", .roInactive = false, .info = "toggle merged command" },
{ .key = " Z: ", .roInactive = false, .info = "pause/resume process updates" },
{ .key = " u: ", .roInactive = false, .info = "show processes of a single user" },
{ .key = " H: ", .roInactive = false, .info = "hide/show user process threads" },
{ .key = " K: ", .roInactive = false, .info = "hide/show kernel threads" },
{ .key = " F: ", .roInactive = false, .info = "cursor follows process" },
{ .key = " + - *: ", .roInactive = false, .info = "expand/collapse tree/toggle all" },
{ .key = "N P M T: ", .roInactive = false, .info = "sort by PID, CPU%, MEM% or TIME" },
{ .key = " I: ", .roInactive = false, .info = "invert sort order" },
{ .key = " F6 > .: ", .roInactive = false, .info = "select sort column" },
{ .key = NULL, .info = NULL }
};
static const struct {
const char* key;
bool roInactive;
const char* info;
} helpRight[] = {
{ .key = " S-Tab: ", .roInactive = false, .info = "switch to previous screen tab" },
{ .key = " Space: ", .roInactive = false, .info = "tag process" },
{ .key = " c: ", .roInactive = false, .info = "tag process and its children" },
{ .key = " U: ", .roInactive = false, .info = "untag all processes" },
{ .key = " F9 k: ", .roInactive = true, .info = "kill process/tagged processes" },
{ .key = " F7 ]: ", .roInactive = true, .info = "higher priority (root only)" },
{ .key = " F8 [: ", .roInactive = true, .info = "lower priority (+ nice)" },
#if (defined(HAVE_LIBHWLOC) || defined(HAVE_AFFINITY))
{ .key = " a: ", .roInactive = true, .info = "set CPU affinity" },
#endif
{ .key = " e: ", .roInactive = false, .info = "show process environment" },
{ .key = " i: ", .roInactive = true, .info = "set IO priority" },
{ .key = " l: ", .roInactive = true, .info = "list open files with lsof" },
{ .key = " x: ", .roInactive = false, .info = "list file locks of process" },
{ .key = " s: ", .roInactive = true, .info = "trace syscalls with strace" },
{ .key = " w: ", .roInactive = false, .info = "wrap process command in multiple lines" },
{ .key = " F2 C S: ", .roInactive = false, .info = "setup" },
{ .key = " F1 h ?: ", .roInactive = false, .info = "show this help screen" },
{ .key = " F10 q: ", .roInactive = false, .info = "quit" },
{ .key = NULL, .info = NULL }
};
static inline void addattrstr( int attr, const char* str) {
attrset(attr);
addstr(str);
}
static Htop_Reaction actionHelp(State* st) {
clear();
attrset(CRT_colors[HELP_BOLD]);
for (int i = 0; i < LINES - 1; i++)
mvhline(i, 0, ' ', COLS);
int line = 0;
mvaddstr(line++, 0, "htop " VERSION " - " COPYRIGHT);
mvaddstr(line++, 0, "Released under the GNU GPLv2+. See 'man' page for more info.");
attrset(CRT_colors[DEFAULT_COLOR]);
line++;
mvaddstr(line++, 0, "CPU usage bar: ");
#define addbartext(attr, prefix, text) \
do { \
addattrstr(CRT_colors[DEFAULT_COLOR], prefix); \
addattrstr(attr, text); \
} while(0)
addattrstr(CRT_colors[BAR_BORDER], "[");
addbartext(CRT_colors[CPU_NICE_TEXT], "", "low");
addbartext(CRT_colors[CPU_NORMAL], "/", "normal");
addbartext(CRT_colors[CPU_SYSTEM], "/", "kernel");
if (st->settings->detailedCPUTime) {
addbartext(CRT_colors[CPU_IRQ], "/", "irq");
addbartext(CRT_colors[CPU_SOFTIRQ], "/", "soft-irq");
addbartext(CRT_colors[CPU_STEAL], "/", "steal");
addbartext(CRT_colors[CPU_GUEST], "/", "guest");
addbartext(CRT_colors[CPU_IOWAIT], "/", "io-wait");
addbartext(CRT_colors[BAR_SHADOW], " ", "used%");
} else {
addbartext(CRT_colors[CPU_GUEST], "/", "guest");
addbartext(CRT_colors[BAR_SHADOW], " ", "used%");
}
addattrstr(CRT_colors[BAR_BORDER], "]");
attrset(CRT_colors[DEFAULT_COLOR]);
mvaddstr(line++, 0, "Memory bar: ");
addattrstr(CRT_colors[BAR_BORDER], "[");
addbartext(CRT_colors[MEMORY_USED], "", "used");
addbartext(CRT_colors[MEMORY_BUFFERS_TEXT], "/", "buffers");
addbartext(CRT_colors[MEMORY_SHARED], "/", "shared");
addbartext(CRT_colors[MEMORY_CACHE], "/", "cache");
addbartext(CRT_colors[BAR_SHADOW], " ", "used");
addbartext(CRT_colors[BAR_SHADOW], "/", "total");
addattrstr(CRT_colors[BAR_BORDER], "]");
attrset(CRT_colors[DEFAULT_COLOR]);
mvaddstr(line++, 0, "Swap bar: ");
addattrstr(CRT_colors[BAR_BORDER], "[");
addbartext(CRT_colors[SWAP], "", "used");
#ifdef HTOP_LINUX
addbartext(CRT_colors[SWAP_CACHE], "/", "cache");
#else
addbartext(CRT_colors[SWAP_CACHE], " ", "");
#endif
addbartext(CRT_colors[BAR_SHADOW], " ", "used");
addbartext(CRT_colors[BAR_SHADOW], "/", "total");
addattrstr(CRT_colors[BAR_BORDER], "]");
line++;
#undef addbartext
attrset(CRT_colors[DEFAULT_COLOR]);
mvaddstr(line++, 0, "Type and layout of header meters are configurable in the setup screen.");
if (CRT_colorScheme == COLORSCHEME_MONOCHROME) {
mvaddstr(line, 0, "In monochrome, meters display as different chars, in order: |#*@$%&.");
}
line++;
#define addattrstatestr(attr, state, desc) \
do { \
addattrstr(attr, state); \
addattrstr(CRT_colors[DEFAULT_COLOR], ": " desc); \
} while(0)
mvaddstr(line, 0, "Process state: ");
addattrstatestr(CRT_colors[PROCESS_RUN_STATE], "R", "running; ");
addattrstatestr(CRT_colors[PROCESS_SHADOW], "S", "sleeping; ");
addattrstatestr(CRT_colors[PROCESS_RUN_STATE], "t", "traced/stopped; ");
addattrstatestr(CRT_colors[PROCESS_D_STATE], "Z", "zombie; ");
addattrstatestr(CRT_colors[PROCESS_D_STATE], "D", "disk sleep");
attrset(CRT_colors[DEFAULT_COLOR]);
#undef addattrstatestr
line += 2;
const bool readonly = Settings_isReadonly();
int item;
for (item = 0; helpLeft[item].key; item++) {
attrset((helpLeft[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[DEFAULT_COLOR]);
mvaddstr(line + item, 10, helpLeft[item].info);
attrset((helpLeft[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[HELP_BOLD]);
mvaddstr(line + item, 1, helpLeft[item].key);
if (String_eq(helpLeft[item].key, " H: ")) {
attrset((helpLeft[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[PROCESS_THREAD]);
mvaddstr(line + item, 33, "threads");
} else if (String_eq(helpLeft[item].key, " K: ")) {
attrset((helpLeft[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[PROCESS_THREAD]);
mvaddstr(line + item, 27, "threads");
}
}
int leftHelpItems = item;
for (item = 0; helpRight[item].key; item++) {
attrset((helpRight[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[HELP_BOLD]);
mvaddstr(line + item, 41, helpRight[item].key);
attrset((helpRight[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[DEFAULT_COLOR]);
mvaddstr(line + item, 50, helpRight[item].info);
}
line += MAXIMUM(leftHelpItems, item);
line++;
attrset(CRT_colors[HELP_BOLD]);
mvaddstr(line++, 0, "Press any key to return.");
attrset(CRT_colors[DEFAULT_COLOR]);
refresh();
CRT_readKey();
clear();
return HTOP_RECALCULATE | HTOP_REDRAW_BAR | HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionUntagAll(State* st) {
for (int i = 0; i < Panel_size((Panel*)st->mainPanel); i++) {
Process* p = (Process*) Panel_get((Panel*)st->mainPanel, i);
p->tag = false;
}
return HTOP_REFRESH;
}
static Htop_Reaction actionTagAllChildren(State* st) {
Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
if (!p)
return HTOP_OK;
tagAllChildren((Panel*)st->mainPanel, p);
return HTOP_OK;
}
static Htop_Reaction actionShowEnvScreen(State* st) {
Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
if (!p)
return HTOP_OK;
EnvScreen* es = EnvScreen_new(p);
InfoScreen_run((InfoScreen*)es);
EnvScreen_delete((Object*)es);
clear();
CRT_enableDelay();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionShowCommandScreen(State* st) {
Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
if (!p)
return HTOP_OK;
CommandScreen* cmdScr = CommandScreen_new(p);
InfoScreen_run((InfoScreen*)cmdScr);
CommandScreen_delete((Object*)cmdScr);
clear();
CRT_enableDelay();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
void Action_setBindings(Htop_Action* keys) {
keys[' '] = actionTag;
keys['*'] = actionExpandOrCollapseAllBranches;
keys['+'] = actionExpandOrCollapse;
keys[','] = actionSetSortColumn;
keys['-'] = actionExpandOrCollapse;
keys['.'] = actionSetSortColumn;
keys['/'] = actionIncSearch;
keys['<'] = actionSetSortColumn;
keys['='] = actionExpandOrCollapse;
keys['>'] = actionSetSortColumn;
keys['?'] = actionHelp;
keys['C'] = actionSetup;
keys['F'] = Action_follow;
keys['H'] = actionToggleUserlandThreads;
keys['I'] = actionInvertSortOrder;
keys['K'] = actionToggleKernelThreads;
keys['M'] = actionSortByMemory;
keys['N'] = actionSortByPID;
keys['P'] = actionSortByCPU;
keys['S'] = actionSetup;
keys['T'] = actionSortByTime;
keys['U'] = actionUntagAll;
keys['Z'] = actionTogglePauseProcessUpdate;
keys['['] = actionLowerPriority;
keys['\014'] = actionRedraw; // Ctrl+L
keys['\177'] = actionCollapseIntoParent;
keys['\\'] = actionIncFilter;
keys[']'] = actionHigherPriority;
keys['a'] = actionSetAffinity;
keys['c'] = actionTagAllChildren;
keys['e'] = actionShowEnvScreen;
keys['h'] = actionHelp;
keys['k'] = actionKill;
keys['l'] = actionLsof;
keys['m'] = actionToggleMergedCommand;
keys['p'] = actionToggleProgramPath;
keys['q'] = actionQuit;
keys['s'] = actionStrace;
keys['t'] = actionToggleTreeView;
keys['u'] = actionFilterByUser;
keys['w'] = actionShowCommandScreen;
keys['x'] = actionShowLocks;
keys[KEY_F(1)] = actionHelp;
keys[KEY_F(2)] = actionSetup;
keys[KEY_F(3)] = actionIncSearch;
keys[KEY_F(4)] = actionIncFilter;
keys[KEY_F(5)] = actionToggleTreeView;
keys[KEY_F(6)] = actionSetSortColumn;
keys[KEY_F(7)] = actionHigherPriority;
keys[KEY_F(8)] = actionLowerPriority;
keys[KEY_F(9)] = actionKill;
keys[KEY_F(10)] = actionQuit;
keys[KEY_F(18)] = actionExpandCollapseOrSortColumn;
keys[KEY_RECLICK] = actionExpandOrCollapse;
keys[KEY_SHIFT_TAB] = actionPrevScreen;
keys['\t'] = actionNextScreen;
}
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