htop/InfoScreen.c

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4.5 KiB
C
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#include "config.h" // IWYU pragma: keep
#include "InfoScreen.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "CRT.h"
#include "IncSet.h"
#include "ListItem.h"
#include "Object.h"
#include "ProvideCurses.h"
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#include "XUtils.h"
static const char* const InfoScreenFunctions[] = {"Search ", "Filter ", "Refresh", "Done ", NULL};
static const char* const InfoScreenKeys[] = {"F3", "F4", "F5", "Esc"};
static int InfoScreenEvents[] = {KEY_F(3), KEY_F(4), KEY_F(5), 27};
InfoScreen* InfoScreen_init(InfoScreen* this, const Process* process, FunctionBar* bar, int height, const char* panelHeader) {
this->process = process;
if (!bar) {
bar = FunctionBar_new(InfoScreenFunctions, InfoScreenKeys, InfoScreenEvents);
}
this->display = Panel_new(0, 1, COLS, height, false, Class(ListItem), bar);
this->inc = IncSet_new(bar);
this->lines = Vector_new(this->display->items->type, true, DEFAULT_SIZE);
Panel_setHeader(this->display, panelHeader);
return this;
}
InfoScreen* InfoScreen_done(InfoScreen* this) {
Panel_delete((Object*)this->display);
IncSet_delete(this->inc);
Vector_delete(this->lines);
return this;
}
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void InfoScreen_drawTitled(InfoScreen* this, const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
char* title = xMalloc(COLS + 1);
int len = vsnprintf(title, COLS + 1, fmt, ap);
if (len > COLS) {
memset(&title[COLS - 3], '.', 3);
}
attrset(CRT_colors[METER_TEXT]);
mvhline(0, 0, ' ', COLS);
mvwprintw(stdscr, 0, 0, title);
attrset(CRT_colors[DEFAULT_COLOR]);
this->display->needsRedraw = true;
Panel_draw(this->display, true, true);
IncSet_drawBar(this->inc);
free(title);
va_end(ap);
}
void InfoScreen_addLine(InfoScreen* this, const char* line) {
Vector_add(this->lines, (Object*) ListItem_new(line, 0));
const char* incFilter = IncSet_filter(this->inc);
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if (!incFilter || String_contains_i(line, incFilter)) {
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Panel_add(this->display, Vector_get(this->lines, Vector_size(this->lines) - 1));
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}
}
void InfoScreen_appendLine(InfoScreen* this, const char* line) {
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ListItem* last = (ListItem*)Vector_get(this->lines, Vector_size(this->lines) - 1);
ListItem_append(last, line);
const char* incFilter = IncSet_filter(this->inc);
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if (incFilter && Panel_get(this->display, Panel_size(this->display) - 1) != (Object*)last && String_contains_i(line, incFilter)) {
Panel_add(this->display, (Object*)last);
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}
}
void InfoScreen_run(InfoScreen* this) {
Panel* panel = this->display;
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if (As_InfoScreen(this)->scan)
InfoScreen_scan(this);
InfoScreen_draw(this);
bool looping = true;
while (looping) {
Panel_draw(panel, true, true);
if (this->inc->active) {
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(void) move(LINES - 1, CRT_cursorX);
}
set_escdelay(25);
int ch = getch();
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if (ch == ERR) {
if (As_InfoScreen(this)->onErr) {
InfoScreen_onErr(this);
continue;
}
}
if (ch == KEY_MOUSE) {
MEVENT mevent;
int ok = getmouse(&mevent);
if (ok == OK) {
if (mevent.y >= panel->y && mevent.y < LINES - 1) {
Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV);
ch = 0;
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} else if (mevent.y == LINES - 1) {
ch = IncSet_synthesizeEvent(this->inc, mevent.x);
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}
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}
}
if (this->inc->active) {
IncSet_handleKey(this->inc, ch, panel, IncSet_getListItemValue, this->lines);
continue;
}
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switch(ch) {
case ERR:
continue;
case KEY_F(3):
case '/':
IncSet_activate(this->inc, INC_SEARCH, panel);
break;
case KEY_F(4):
case '\\':
IncSet_activate(this->inc, INC_FILTER, panel);
break;
case KEY_F(5):
clear();
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if (As_InfoScreen(this)->scan)
InfoScreen_scan(this);
InfoScreen_draw(this);
break;
case '\014': // Ctrl+L
clear();
InfoScreen_draw(this);
break;
case 27:
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case 'q':
case KEY_F(10):
looping = false;
break;
case KEY_RESIZE:
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Panel_resize(panel, COLS, LINES - 2);
if (As_InfoScreen(this)->scan)
InfoScreen_scan(this);
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InfoScreen_draw(this);
break;
default:
if (As_InfoScreen(this)->onKey && InfoScreen_onKey(this, ch)) {
continue;
}
Panel_onKey(panel, ch);
}
}
}