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/*
htop - AvailableMetersPanel.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include "AvailableMetersPanel.h"
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include "CPUMeter.h"
#include "DynamicMeter.h"
#include "FunctionBar.h"
#include "Hashtable.h"
#include "Header.h"
#include "ListItem.h"
#include "Macros.h"
#include "Meter.h"
#include "MetersPanel.h"
#include "Object.h"
#include "Platform.h"
#include "ProvideCurses.h"
#include "Settings.h"
#include "XUtils.h"
static void AvailableMetersPanel_delete(Object* object) {
AvailableMetersPanel* this = (AvailableMetersPanel*) object;
free(this->meterPanels);
Panel_done(&this->super);
free(this);
}
static inline void AvailableMetersPanel_addMeter(Header* header, MetersPanel* panel, const MeterClass* type, unsigned int param, size_t column) {
const Meter* meter = Header_addMeterByClass(header, type, param, column);
Panel_add((Panel*)panel, (Object*) Meter_toListItem(meter, false));
Panel_setSelected((Panel*)panel, Panel_size((Panel*)panel) - 1);
MetersPanel_setMoving(panel, true);
}
static HandlerResult AvailableMetersPanel_eventHandler(Panel* super, int ch) {
AvailableMetersPanel* this = (AvailableMetersPanel*) super;
Header* header = this->header;
const ListItem* selected = (ListItem*) Panel_getSelected(super);
if (!selected)
return IGNORED;
unsigned int param = selected->key & 0xffff;
int type = selected->key >> 16;
HandlerResult result = IGNORED;
bool update = false;
switch (ch) {
case KEY_F(5):
case 'l':
case 'L':
AvailableMetersPanel_addMeter(header, this->meterPanels[0], Platform_meterTypes[type], param, 0);
result = HANDLED;
update = true;
break;
case 0x0a:
case 0x0d:
case KEY_ENTER:
case KEY_F(6):
case 'r':
case 'R':
AvailableMetersPanel_addMeter(header, this->meterPanels[this->columns - 1], Platform_meterTypes[type], param, this->columns - 1);
result = (KEY_LEFT << 16) | SYNTH_KEY;
update = true;
break;
}
if (update) {
Settings* settings = this->host->settings;
settings->changed = true;
settings->lastUpdate++;
Header_calculateHeight(header);
Header_updateData(header);
Header_draw(header);
ScreenManager_resize(this->scr);
}
return result;
}
const PanelClass AvailableMetersPanel_class = {
.super = {
.extends = Class(Panel),
.delete = AvailableMetersPanel_delete
},
.eventHandler = AvailableMetersPanel_eventHandler
};
// Handle (&CPUMeter_class) entries in the AvailableMetersPanel
static void AvailableMetersPanel_addCPUMeters(Panel* super, const MeterClass* type, const Machine* host) {
if (host->existingCPUs > 1) {
Panel_add(super, (Object*) ListItem_new("CPU average", 0));
for (unsigned int i = 1; i <= host->existingCPUs; i++) {
char buffer[50];
xSnprintf(buffer, sizeof(buffer), "%s %d", type->uiName, Settings_cpuId(host->settings, i - 1));
Panel_add(super, (Object*) ListItem_new(buffer, i));
}
} else {
Panel_add(super, (Object*) ListItem_new(type->uiName, 1));
}
}
typedef struct {
Panel* super;
unsigned int id;
unsigned int offset;
} DynamicIterator;
static void AvailableMetersPanel_addDynamicMeter(ATTR_UNUSED ht_key_t key, void* value, void* data) {
const DynamicMeter* meter = (const DynamicMeter*)value;
DynamicIterator* iter = (DynamicIterator*)data;
unsigned int identifier = (iter->offset << 16) | iter->id;
const char* label = meter->description ? meter->description : meter->caption;
if (!label)
label = meter->name; /* last fallback to name, guaranteed set */
Panel_add(iter->super, (Object*) ListItem_new(label, identifier));
iter->id++;
}
// Handle (&DynamicMeter_class) entries in the AvailableMetersPanel
static void AvailableMetersPanel_addDynamicMeters(Panel* super, const Settings* settings, unsigned int offset) {
DynamicIterator iter = { .super = super, .id = 1, .offset = offset };
Hashtable* dynamicMeters = settings->dynamicMeters;
assert(dynamicMeters != NULL);
Hashtable_foreach(dynamicMeters, AvailableMetersPanel_addDynamicMeter, &iter);
}
// Handle remaining Platform Meter entries in the AvailableMetersPanel
static void AvailableMetersPanel_addPlatformMeter(Panel* super, const MeterClass* type, unsigned int offset) {
const char* label = type->description ? type->description : type->uiName;
Panel_add(super, (Object*) ListItem_new(label, offset << 16));
}
AvailableMetersPanel* AvailableMetersPanel_new(Machine* host, Header* header, size_t columns, MetersPanel** meterPanels, ScreenManager* scr) {
AvailableMetersPanel* this = AllocThis(AvailableMetersPanel);
Panel* super = &this->super;
FunctionBar* fuBar = FunctionBar_newEnterEsc("Add ", "Done ");
Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
this->host = host;
this->header = header;
this->columns = columns;
this->meterPanels = meterPanels;
this->scr = scr;
Panel_setHeader(super, "Available meters");
// Platform_meterTypes[0] should be always (&CPUMeter_class) which we will
// handle separately in the code below. Likewise, identifiers for Dynamic
// Meters are handled separately - similar to CPUs, this allows generation
// of multiple different Meters (also using 'param' to distinguish them).
for (unsigned int i = 1; Platform_meterTypes[i]; i++) {
const MeterClass* type = Platform_meterTypes[i];
assert(type != &CPUMeter_class);
if (type == &DynamicMeter_class)
AvailableMetersPanel_addDynamicMeters(super, host->settings, i);
else
AvailableMetersPanel_addPlatformMeter(super, type, i);
}
AvailableMetersPanel_addCPUMeters(super, &CPUMeter_class, host);
return this;
}
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