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164 lines (145 loc) · 3.88 KB
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/*
htop - ColumnsPanel.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ColumnsPanel.h"
#include "Platform.h"
#include "String.h"
#include "ListItem.h"
#include <assert.h>
#include <stdlib.h>
#include <ctype.h>
/*{
#include "Panel.h"
#include "Settings.h"
typedef struct ColumnsPanel_ {
Panel super;
Settings* settings;
bool moving;
} ColumnsPanel;
}*/
static const char* ColumnsFunctions[] = {" ", " ", " ", " ", " ", " ", "MoveUp", "MoveDn", "Remove", "Done ", NULL};
static void ColumnsPanel_delete(Object* object) {
Panel* super = (Panel*) object;
ColumnsPanel* this = (ColumnsPanel*) object;
Panel_done(super);
free(this);
}
static HandlerResult ColumnsPanel_eventHandler(Panel* super, int ch) {
ColumnsPanel* const this = (ColumnsPanel*) super;
int selected = Panel_getSelectedIndex(super);
HandlerResult result = IGNORED;
int size = Panel_size(super);
switch(ch) {
case 0x0a:
case 0x0d:
case KEY_ENTER:
case KEY_MOUSE:
{
if (selected < size - 1) {
this->moving = !(this->moving);
((ListItem*)Panel_getSelected(super))->moving = this->moving;
result = HANDLED;
}
break;
}
case KEY_UP:
{
if (!this->moving) {
break;
}
/* else fallthrough */
}
case KEY_F(7):
case '[':
case '-':
{
if (selected < size - 1)
Panel_moveSelectedUp(super);
result = HANDLED;
break;
}
case KEY_DOWN:
{
if (!this->moving) {
break;
}
/* else fallthrough */
}
case KEY_F(8):
case ']':
case '+':
{
if (selected < size - 2)
Panel_moveSelectedDown(super);
result = HANDLED;
break;
}
case KEY_F(9):
case KEY_DC:
{
if (selected < size - 1) {
Panel_remove(super, selected);
}
result = HANDLED;
break;
}
default:
{
if (ch < 255 && isalpha(ch))
result = Panel_selectByTyping(super, ch);
if (result == BREAK_LOOP)
result = IGNORED;
break;
}
}
if (result == HANDLED)
ColumnsPanel_update(super);
return result;
}
PanelClass ColumnsPanel_class = {
.super = {
.extends = Class(Panel),
.delete = ColumnsPanel_delete
},
.eventHandler = ColumnsPanel_eventHandler
};
ColumnsPanel* ColumnsPanel_new(Settings* settings) {
ColumnsPanel* this = AllocThis(ColumnsPanel);
Panel* super = (Panel*) this;
FunctionBar* fuBar = FunctionBar_new(ColumnsFunctions, NULL, NULL);
Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
this->settings = settings;
this->moving = false;
Panel_setHeader(super, "Active Columns");
ProcessField* fields = this->settings->fields;
for (; *fields; fields++) {
if (Process_fields[*fields].name) {
Panel_add(super, (Object*) ListItem_new(Process_fields[*fields].name, *fields));
}
}
return this;
}
int ColumnsPanel_fieldNameToIndex(const char* name) {
for (int j = 1; j <= Platform_numberOfFields; j++) {
if (String_eq(name, Process_fields[j].name)) {
return j;
}
}
return -1;
}
void ColumnsPanel_update(Panel* super) {
ColumnsPanel* this = (ColumnsPanel*) super;
int size = Panel_size(super);
this->settings->changed = true;
this->settings->fields = realloc(this->settings->fields, sizeof(ProcessField) * (size+1));
this->settings->flags = 0;
for (int i = 0; i < size; i++) {
int key = ((ListItem*) Panel_get(super, i))->key;
this->settings->fields[i] = key;
this->settings->flags |= Process_fields[key].flags;
}
this->settings->fields[size] = 0;
}