mirror of https://github.com/xzeldon/htop.git
75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
#include "CommandScreen.h"
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#include "config.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 "Platform.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 <unistd.h>
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static void CommandScreen_addLine(InfoScreen* this, char* line, const char* p, int line_offset, int len) {
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memcpy(line, p - line_offset, len);
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line[len] = '\0';
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InfoScreen_addLine(this, line);
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}
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static void CommandScreen_scan(InfoScreen* this) {
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Panel* panel = this->display;
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int idx = MAXIMUM(Panel_getSelectedIndex(panel), 0);
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Panel_prune(panel);
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const char* p = this->process->comm;
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char* line = xMalloc(COLS + 1);
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int line_offset = 0, last_spc = -1, len;
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for (; *p != '\0'; p++, line_offset++) {
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if (*p == ' ') last_spc = line_offset;
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if (line_offset == COLS) {
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len = (last_spc == -1) ? line_offset : last_spc;
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CommandScreen_addLine(this, line, p, line_offset, len);
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line_offset -= len;
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last_spc = -1;
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}
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}
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if (line_offset > 0) CommandScreen_addLine(this, line, p, line_offset, line_offset);
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free(line);
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Panel_setSelected(panel, idx);
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}
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static void CommandScreen_draw(InfoScreen* this) {
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char* title = xMalloc(COLS + 1);
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int len = snprintf(title, COLS + 1, "Command of process %d - %s", this->process->pid, this->process->comm);
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if (len > COLS) {
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memset(&title[COLS - 3], '.', 3);
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}
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InfoScreen_drawTitled(this, "%s", title);
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free(title);
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}
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InfoScreenClass CommandScreen_class = {
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.super = {
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.extends = Class(Object),
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.delete = CommandScreen_delete
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},
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.scan = CommandScreen_scan,
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.draw = CommandScreen_draw
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};
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CommandScreen* CommandScreen_new(Process* process) {
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CommandScreen* this = AllocThis(CommandScreen);
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return (CommandScreen*) InfoScreen_init(&this->super, process, NULL, LINES - 3, " ");
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}
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void CommandScreen_delete(Object* this) {
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free(InfoScreen_done((InfoScreen*)this));
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}
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