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/*
htop - AvailableColumnsPanel.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 "AvailableColumnsPanel.h"
#include <assert.h>
#include <ctype.h>
#include <stdbool.h>
#include <stdlib.h>
#include "ColumnsPanel.h"
#include "DynamicColumn.h"
#include "FunctionBar.h"
#include "Hashtable.h"
#include "ListItem.h"
#include "Object.h"
#include "Platform.h"
#include "Process.h"
#include "ProvideCurses.h"
#include "RowField.h"
#include "XUtils.h"
static const char* const AvailableColumnsFunctions[] = {" ", " ", " ", " ", "Add ", " ", " ", " ", " ", "Done ", NULL};
static void AvailableColumnsPanel_delete(Object* object) {
AvailableColumnsPanel* this = (AvailableColumnsPanel*) object;
Panel_done(&this->super);
free(this);
}
static void AvailableColumnsPanel_insert(AvailableColumnsPanel* this, int at, int key) {
const char* name;
if (key >= ROW_DYNAMIC_FIELDS)
name = DynamicColumn_name(key);
else
name = Process_fields[key].name;
Panel_insert(this->columns, at, (Object*) ListItem_new(name, key));
}
static HandlerResult AvailableColumnsPanel_eventHandler(Panel* super, int ch) {
AvailableColumnsPanel* this = (AvailableColumnsPanel*) super;
HandlerResult result = IGNORED;
switch (ch) {
case 13:
case KEY_ENTER:
case KEY_F(5): {
const ListItem* selected = (ListItem*) Panel_getSelected(super);
if (!selected)
break;
int at = Panel_getSelectedIndex(this->columns);
AvailableColumnsPanel_insert(this, at, selected->key);
Panel_setSelected(this->columns, at + 1);
ColumnsPanel_update(this->columns);
result = HANDLED;
break;
}
default:
if (0 < ch && ch < 255 && isgraph((unsigned char)ch))
result = Panel_selectByTyping(super, ch);
break;
}
return result;
}
const PanelClass AvailableColumnsPanel_class = {
.super = {
.extends = Class(Panel),
.delete = AvailableColumnsPanel_delete
},
.eventHandler = AvailableColumnsPanel_eventHandler
};
static void AvailableColumnsPanel_addDynamicColumn(ht_key_t key, void* value, void* data) {
const DynamicColumn* column = (const DynamicColumn*) value;
if (column->table) /* DynamicScreen, handled differently */
return;
AvailableColumnsPanel* this = (AvailableColumnsPanel*) data;
const char* title = column->heading ? column->heading : column->name;
const char* text = column->description ? column->description : column->caption;
char description[256];
if (text)
xSnprintf(description, sizeof(description), "%s - %s", title, text);
else
xSnprintf(description, sizeof(description), "%s", title);
Panel_add(&this->super, (Object*) ListItem_new(description, key));
}
// Handle DynamicColumns entries in the AvailableColumnsPanel
static void AvailableColumnsPanel_addDynamicColumns(AvailableColumnsPanel* this, Hashtable* dynamicColumns) {
assert(dynamicColumns);
Hashtable_foreach(dynamicColumns, AvailableColumnsPanel_addDynamicColumn, this);
}
// Handle remaining Platform Meter entries in the AvailableColumnsPanel
static void AvailableColumnsPanel_addPlatformColumns(AvailableColumnsPanel* this) {
for (int i = 1; i < LAST_PROCESSFIELD; i++) {
if (Process_fields[i].description) {
char description[256];
xSnprintf(description, sizeof(description), "%s - %s", Process_fields[i].name, Process_fields[i].description);
Panel_add(&this->super, (Object*) ListItem_new(description, i));
}
}
}
// Handle DynamicColumns entries associated with DynamicScreens
static void AvailableColumnsPanel_addDynamicScreens(AvailableColumnsPanel* this, const char* screen) {
Platform_addDynamicScreenAvailableColumns(&this->super, screen);
}
void AvailableColumnsPanel_fill(AvailableColumnsPanel* this, const char* dynamicScreen, Hashtable* dynamicColumns) {
Panel_prune(&this->super);
if (dynamicScreen) {
AvailableColumnsPanel_addDynamicScreens(this, dynamicScreen);
} else {
AvailableColumnsPanel_addPlatformColumns(this);
AvailableColumnsPanel_addDynamicColumns(this, dynamicColumns);
}
}
AvailableColumnsPanel* AvailableColumnsPanel_new(Panel* columns, Hashtable* dynamicColumns) {
AvailableColumnsPanel* this = AllocThis(AvailableColumnsPanel);
Panel* super = &this->super;
FunctionBar* fuBar = FunctionBar_new(AvailableColumnsFunctions, NULL, NULL);
Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
Panel_setHeader(super, "Available Columns");
this->columns = columns;
AvailableColumnsPanel_fill(this, NULL, dynamicColumns);
return this;
}
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