mirror of https://github.com/xzeldon/htop.git
'e' displays environment of current process
- uses sysctl(KERN_PROCARGS2) on *BSD - doesn't work on Linux yet
This commit is contained in:
parent
670a2de692
commit
0919ea32f9
15
Action.c
15
Action.c
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@ -12,6 +12,7 @@ in the source distribution for its full text.
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#include "AffinityPanel.h"
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#include "CategoriesPanel.h"
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#include "CRT.h"
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#include "EnvScreen.h"
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#include "MainPanel.h"
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#include "OpenFilesScreen.h"
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#include "Process.h"
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@ -404,6 +405,7 @@ static struct { const char* key; const char* info; } helpRight[] = {
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#if (HAVE_LIBHWLOC || HAVE_NATIVE_AFFINITY)
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{ .key = " a: ", .info = "set CPU affinity" },
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#endif
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{ .key = " e: ", .info = "show process environment" },
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{ .key = " i: ", .info = "set IO prority" },
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{ .key = " l: ", .info = "list open files with lsof" },
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{ .key = " s: ", .info = "trace syscalls with strace" },
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@ -499,6 +501,18 @@ static Htop_Reaction actionTagAllChildren(State* st) {
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return HTOP_OK;
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}
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static Htop_Reaction actionShowEnvScreen(State* st) {
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Process* p = (Process*) Panel_getSelected(st->panel);
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if (!p) return HTOP_OK;
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EnvScreen* ts = EnvScreen_new(p);
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EnvScreen_run(ts);
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EnvScreen_delete(ts);
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clear();
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CRT_enableDelay();
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return HTOP_REFRESH | HTOP_REDRAW_BAR;
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}
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void Action_setBindings(Htop_Action* keys) {
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keys[KEY_RESIZE] = actionResize;
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keys['M'] = actionSortByMemory;
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@ -548,5 +562,6 @@ void Action_setBindings(Htop_Action* keys) {
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keys['?'] = actionHelp;
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keys['U'] = actionUntagAll;
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keys['c'] = actionTagAllChildren;
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keys['e'] = actionShowEnvScreen;
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}
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1
Action.h
1
Action.h
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@ -49,6 +49,7 @@ Htop_Reaction Action_setSortKey(Settings* settings, ProcessField sortKey);
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// ----------------------------------------
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void Action_setBindings(Htop_Action* keys);
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@ -0,0 +1,196 @@
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#include "EnvScreen.h"
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#include "CRT.h"
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#include "IncSet.h"
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#include "ListItem.h"
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#include "StringUtils.h"
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#include <stdlib.h>
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#include <string.h>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#include <unistd.h>
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/*{
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#include "ProcessList.h"
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#include "Panel.h"
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#include "FunctionBar.h"
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typedef struct EnvScreen_ {
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Process* process;
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Panel* display;
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FunctionBar* bar;
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} EnvScreen;
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}*/
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static const char* EnvScreenFunctions[] = {"Search ", "Filter ", "Refresh", "Done ", NULL};
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static const char* EnvScreenKeys[] = {"F3", "F4", "F5", "Esc"};
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static int EnvScreenEvents[] = {KEY_F(3), KEY_F(4), KEY_F(5), 27};
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EnvScreen* EnvScreen_new(Process* process) {
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EnvScreen* this = malloc(sizeof(EnvScreen));
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this->process = process;
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FunctionBar* bar = FunctionBar_new(EnvScreenFunctions, EnvScreenKeys, EnvScreenEvents);
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this->display = Panel_new(0, 1, COLS, LINES-3, false, Class(ListItem), bar);
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return this;
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}
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void EnvScreen_delete(EnvScreen* this) {
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Panel_delete((Object*)this->display);
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free(this);
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}
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static void EnvScreen_draw(EnvScreen* this, IncSet* inc) {
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attrset(CRT_colors[METER_TEXT]);
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mvhline(0, 0, ' ', COLS);
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mvprintw(0, 0, "environment of process %d - %s", this->process->pid, this->process->comm);
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attrset(CRT_colors[DEFAULT_COLOR]);
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Panel_draw(this->display, true);
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IncSet_drawBar(inc);
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}
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static inline void addLine(const char* line, Vector* lines, Panel* panel, const char* incFilter) {
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Vector_add(lines, (Object*) ListItem_new(line, 0));
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if (!incFilter || String_contains_i(line, incFilter))
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Panel_add(panel, (Object*)Vector_get(lines, Vector_size(lines)-1));
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}
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static void EnvScreen_scan(EnvScreen* this, Vector* lines, IncSet* inc) {
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Panel* panel = this->display;
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int idx = MAX(Panel_getSelectedIndex(panel), 0);
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uid_t uid = getuid();
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Panel_prune(panel);
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if (uid == 0 || uid == this->process->st_uid) {
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long argmax = sysconf(_SC_ARG_MAX);
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char* buf = malloc(argmax);
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size_t bufsz = argmax;
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if (buf) {
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int mib[3];
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mib[0] = CTL_KERN;
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mib[1] = KERN_PROCARGS2;
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mib[2] = this->process->pid;
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bufsz = argmax;
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if (sysctl(mib, 3, buf, &bufsz, 0, 0) == 0) {
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if (bufsz > sizeof(int)) {
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char *p = buf, *endp = buf + bufsz;
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int argc = *(int*)p;
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p += sizeof(int);
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// skip exe
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p = strchr(p, 0)+1;
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// skip padding
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while(!*p && p < endp)
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++p;
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// skip argv
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for (; argc-- && p < endp; p = strrchr(p, 0)+1)
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;
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// skip padding
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while(!*p && p < endp)
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++p;
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for (; *p && p < endp; p = strrchr(p, 0)+1)
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addLine(p, lines, panel, IncSet_filter(inc));
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}
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else {
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addLine("Could not allocate memory.", lines, panel, IncSet_filter(inc));
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}
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}
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else {
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addLine("sysctl(KERN_PROCARGS2) failed.", lines, panel, IncSet_filter(inc));
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}
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free(buf);
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}
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else {
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addLine("Out of memory.", lines, panel, IncSet_filter(inc));
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}
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}
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else {
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addLine("Process belongs to different user.", lines, panel, IncSet_filter(inc));
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}
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Vector_insertionSort(lines);
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Vector_insertionSort(panel->items);
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Panel_setSelected(panel, idx);
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}
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void EnvScreen_run(EnvScreen* this) {
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Panel* panel = this->display;
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Panel_setHeader(panel, " ");
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FunctionBar* bar = panel->defaultBar;
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IncSet* inc = IncSet_new(bar);
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Vector* lines = Vector_new(panel->items->type, true, DEFAULT_SIZE);
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EnvScreen_scan(this, lines, inc);
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EnvScreen_draw(this, inc);
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bool looping = true;
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while (looping) {
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Panel_draw(panel, true);
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if (inc->active)
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move(LINES-1, CRT_cursorX);
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int ch = getch();
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if (ch == KEY_MOUSE) {
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MEVENT mevent;
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int ok = getmouse(&mevent);
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if (ok == OK)
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if (mevent.y >= panel->y && mevent.y < LINES - 1) {
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Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV);
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ch = 0;
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} if (mevent.y == LINES - 1)
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ch = IncSet_synthesizeEvent(inc, mevent.x);
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}
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if (inc->active) {
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IncSet_handleKey(inc, ch, panel, IncSet_getListItemValue, lines);
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continue;
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}
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switch(ch) {
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case ERR:
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continue;
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case KEY_F(3):
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case '/':
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IncSet_activate(inc, INC_SEARCH, panel);
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break;
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case KEY_F(4):
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case '\\':
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IncSet_activate(inc, INC_FILTER, panel);
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break;
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case KEY_F(5):
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clear();
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EnvScreen_scan(this, lines, inc);
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EnvScreen_draw(this, inc);
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break;
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case '\014': // Ctrl+L
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clear();
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EnvScreen_draw(this, inc);
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break;
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case 'q':
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case 27:
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case KEY_F(10):
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looping = false;
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break;
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case KEY_RESIZE:
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Panel_resize(panel, COLS, LINES-2);
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EnvScreen_draw(this, inc);
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break;
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default:
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Panel_onKey(panel, ch);
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}
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}
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Vector_delete(lines);
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IncSet_delete(inc);
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}
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@ -0,0 +1,22 @@
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/* Do not edit this file. It was automatically generated. */
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#ifndef HEADER_EnvScreen
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#define HEADER_EnvScreen
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#include "ProcessList.h"
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#include "Panel.h"
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#include "FunctionBar.h"
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typedef struct EnvScreen_ {
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Process* process;
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Panel* display;
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FunctionBar* bar;
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} EnvScreen;
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EnvScreen* EnvScreen_new(Process* process);
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void EnvScreen_delete(EnvScreen* this);
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void EnvScreen_run(EnvScreen* this);
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#endif
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@ -23,7 +23,7 @@ LoadAverageMeter.c MemoryMeter.c Meter.c MetersPanel.c Object.c Panel.c \
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BatteryMeter.c Process.c ProcessList.c RichString.c ScreenManager.c Settings.c \
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SignalsPanel.c StringUtils.c SwapMeter.c TasksMeter.c UptimeMeter.c \
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TraceScreen.c UsersTable.c Vector.c AvailableColumnsPanel.c AffinityPanel.c \
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HostnameMeter.c OpenFilesScreen.c Affinity.c IncSet.c Action.c
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HostnameMeter.c OpenFilesScreen.c Affinity.c IncSet.c Action.c EnvScreen.c
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myhtopheaders = AvailableColumnsPanel.h AvailableMetersPanel.h \
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CategoriesPanel.h CheckItem.h ClockMeter.h ColorsPanel.h ColumnsPanel.h \
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@ -32,7 +32,8 @@ Hashtable.h Header.h htop.h ListItem.h LoadAverageMeter.h MemoryMeter.h \
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BatteryMeter.h Meter.h MetersPanel.h Object.h Panel.h ProcessList.h RichString.h \
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ScreenManager.h Settings.h SignalsPanel.h StringUtils.h SwapMeter.h \
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TasksMeter.h UptimeMeter.h TraceScreen.h UsersTable.h Vector.h Process.h \
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AffinityPanel.h HostnameMeter.h OpenFilesScreen.h Affinity.h IncSet.h Action.h
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AffinityPanel.h HostnameMeter.h OpenFilesScreen.h Affinity.h IncSet.h Action.h \
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EnvScreen.h
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if HTOP_LINUX
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htop_CFLAGS += -rdynamic
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@ -158,6 +158,8 @@ typedef struct ProcessClass_ {
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#define ONE_DECIMAL_M (ONE_DECIMAL_K * ONE_DECIMAL_K)
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#define ONE_DECIMAL_G (ONE_DECIMAL_M * ONE_DECIMAL_K)
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extern char Process_pidFormat[20];
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void Process_setupColumnWidths();
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void Process_humanNumber(RichString* str, unsigned long number, bool coloring);
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