mirror of https://github.com/xzeldon/htop.git
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
#include "config.h" // IWYU pragma: keep
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#include "CommandScreen.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "Macros.h"
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#include "Panel.h"
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#include "ProvideCurses.h"
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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 = Process_getCommand(this->process);
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char line[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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assert(line_offset >= 0 && (size_t)line_offset < sizeof(line));
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line[line_offset] = *p;
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if (*p == ' ') {
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last_spc = line_offset;
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}
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if (line_offset == COLS) {
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len = (last_spc == -1) ? line_offset : last_spc;
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line[len] = '\0';
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InfoScreen_addLine(this, line);
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line_offset -= len;
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last_spc = -1;
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memcpy(line, p - line_offset, line_offset + 1);
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}
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}
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if (line_offset > 0) {
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line[line_offset] = '\0';
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InfoScreen_addLine(this, line);
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}
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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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InfoScreen_drawTitled(this, "Command of process %d - %s", this->process->pid, Process_getCommand(this->process));
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}
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const 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 - 2, " ");
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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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