htop/CommandScreen.c

68 lines
1.7 KiB
C

#include "CommandScreen.h"
#include "config.h"
#include "CRT.h"
#include "IncSet.h"
#include "ListItem.h"
#include "Platform.h"
#include "StringUtils.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static void CommandScreen_scan(InfoScreen* this) {
Panel* panel = this->display;
int idx = MAXIMUM(Panel_getSelectedIndex(panel), 0);
Panel_prune(panel);
const char* p = this->process->comm;
char* line = xMalloc(COLS + 1);
int line_offset = 0, last_spc = -1, len;
for (; *p != '\0'; p++, line_offset++) {
line[line_offset] = *p;
if (*p == ' ') last_spc = line_offset;
if (line_offset == COLS) {
len = (last_spc == -1) ? line_offset : last_spc;
line[len] = '\0';
InfoScreen_addLine(this, line);
line_offset -= len;
last_spc = -1;
memcpy(line, p - line_offset, line_offset + 1);
}
}
if (line_offset > 0) {
line[line_offset] = '\0';
InfoScreen_addLine(this, line);
}
free(line);
Panel_setSelected(panel, idx);
}
static void CommandScreen_draw(InfoScreen* this) {
InfoScreen_drawTitled(this, "Command of process %d - %s", this->process->pid, this->process->comm);
}
const InfoScreenClass CommandScreen_class = {
.super = {
.extends = Class(Object),
.delete = CommandScreen_delete
},
.scan = CommandScreen_scan,
.draw = CommandScreen_draw
};
CommandScreen* CommandScreen_new(Process* process) {
CommandScreen* this = AllocThis(CommandScreen);
return (CommandScreen*) InfoScreen_init(&this->super, process, NULL, LINES - 3, " ");
}
void CommandScreen_delete(Object* this) {
free(InfoScreen_done((InfoScreen*)this));
}