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/*
htop - Header.c
(C) 2004-2006 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "Header.h"
#include "Meter.h"
#include "debug.h"
#include <assert.h>
/*{
typedef enum HeaderSide_ {
LEFT_HEADER,
RIGHT_HEADER
} HeaderSide;
typedef struct Header_ {
Vector* leftMeters;
Vector* rightMeters;
ProcessList* pl;
bool margin;
int height;
int pad;
} Header;
}*/
#ifndef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
#endif
Header* Header_new(ProcessList* pl) {
Header* this = malloc(sizeof(Header));
this->leftMeters = Vector_new(METER_CLASS, true, DEFAULT_SIZE, NULL);
this->rightMeters = Vector_new(METER_CLASS, true, DEFAULT_SIZE, NULL);
this->margin = true;
this->pl = pl;
return this;
}
void Header_delete(Header* this) {
Vector_delete(this->leftMeters);
Vector_delete(this->rightMeters);
free(this);
}
void Header_createMeter(Header* this, char* name, HeaderSide side) {
Vector* meters = side == LEFT_HEADER
? this->leftMeters
: this->rightMeters;
char* paren = strchr(name, '(');
int param = 0;
if (paren) {
int ok = sscanf(paren, "(%d)", &param);
if (!ok) param = 0;
*paren = '\0';
}
for (MeterType** type = Meter_types; *type; type++) {
if (String_eq(name, (*type)->name)) {
Vector_add(meters, Meter_new(this->pl, param, *type));
break;
}
}
}
void Header_setMode(Header* this, int i, MeterModeId mode, HeaderSide side) {
Vector* meters = side == LEFT_HEADER
? this->leftMeters
: this->rightMeters;
if (i >= Vector_size(meters))
return;
Meter* meter = (Meter*) Vector_get(meters, i);
Meter_setMode(meter, mode);
}
Meter* Header_addMeter(Header* this, MeterType* type, int param, HeaderSide side) {
Vector* meters = side == LEFT_HEADER
? this->leftMeters
: this->rightMeters;
Meter* meter = Meter_new(this->pl, param, type);
Vector_add(meters, meter);
return meter;
}
int Header_size(Header* this, HeaderSide side) {
Vector* meters = side == LEFT_HEADER
? this->leftMeters
: this->rightMeters;
return Vector_size(meters);
}
char* Header_readMeterName(Header* this, int i, HeaderSide side) {
Vector* meters = side == LEFT_HEADER
? this->leftMeters
: this->rightMeters;
Meter* meter = (Meter*) Vector_get(meters, i);
int nameLen = strlen(meter->type->name);
int len = nameLen + 100;
char* name = malloc(len);
strncpy(name, meter->type->name, nameLen);
name[nameLen] = '\0';
if (meter->param)
snprintf(name + nameLen, len - nameLen, "(%d)", meter->param);
return name;
}
MeterModeId Header_readMeterMode(Header* this, int i, HeaderSide side) {
Vector* meters = side == LEFT_HEADER
? this->leftMeters
: this->rightMeters;
Meter* meter = (Meter*) Vector_get(meters, i);
return meter->mode;
}
void Header_defaultMeters(Header* this) {
Vector_add(this->leftMeters, Meter_new(this->pl, 0, &AllCPUsMeter));
Vector_add(this->leftMeters, Meter_new(this->pl, 0, &MemoryMeter));
Vector_add(this->leftMeters, Meter_new(this->pl, 0, &SwapMeter));
Vector_add(this->rightMeters, Meter_new(this->pl, 0, &TasksMeter));
Vector_add(this->rightMeters, Meter_new(this->pl, 0, &LoadAverageMeter));
Vector_add(this->rightMeters, Meter_new(this->pl, 0, &UptimeMeter));
}
void Header_draw(Header* this) {
int height = this->height;
int pad = this->pad;
attrset(CRT_colors[RESET_COLOR]);
for (int y = 0; y < height; y++) {
mvhline(y, 0, ' ', COLS);
}
for (int y = (pad / 2), i = 0; i < Vector_size(this->leftMeters); i++) {
Meter* meter = (Meter*) Vector_get(this->leftMeters, i);
meter->draw(meter, pad, y, COLS / 2 - (pad * 2 - 1) - 1);
y += meter->h;
}
for (int y = (pad / 2), i = 0; i < Vector_size(this->rightMeters); i++) {
Meter* meter = (Meter*) Vector_get(this->rightMeters, i);
meter->draw(meter, COLS / 2 + pad, y, COLS / 2 - (pad * 2 - 1) - 1);
y += meter->h;
}
}
int Header_calculateHeight(Header* this) {
int pad = this->margin ? 2 : 0;
int leftHeight = pad;
int rightHeight = pad;
for (int i = 0; i < Vector_size(this->leftMeters); i++) {
Meter* meter = (Meter*) Vector_get(this->leftMeters, i);
leftHeight += meter->h;
}
for (int i = 0; i < Vector_size(this->rightMeters); i++) {
Meter* meter = (Meter*) Vector_get(this->rightMeters, i);
rightHeight += meter->h;
}
this->pad = pad;
this->height = MAX(leftHeight, rightHeight);
return this->height;
}
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