mirror of https://github.com/xzeldon/htop.git
137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
/*
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htop - ColumnsPanel.c
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(C) 2004-2011 Hisham H. Muhammad
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Released under the GNU GPL, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "ColumnsPanel.h"
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#include "String.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <ctype.h>
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/*{
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#include "Panel.h"
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#include "Settings.h"
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#include "ScreenManager.h"
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typedef struct ColumnsPanel_ {
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Panel super;
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Settings* settings;
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ScreenManager* scr;
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} ColumnsPanel;
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}*/
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static void ColumnsPanel_delete(Object* object) {
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Panel* super = (Panel*) object;
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ColumnsPanel* this = (ColumnsPanel*) object;
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Panel_done(super);
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free(this);
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}
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static HandlerResult ColumnsPanel_eventHandler(Panel* super, int ch) {
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int selected = Panel_getSelectedIndex(super);
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HandlerResult result = IGNORED;
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int size = Panel_size(super);
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switch(ch) {
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case KEY_F(7):
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case '[':
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case '-':
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{
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if (selected < size - 1)
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Panel_moveSelectedUp(super);
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result = HANDLED;
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break;
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}
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case KEY_F(8):
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case ']':
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case '+':
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{
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if (selected < size - 2)
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Panel_moveSelectedDown(super);
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result = HANDLED;
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break;
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}
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case KEY_F(9):
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case KEY_DC:
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{
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if (selected < size - 1) {
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Panel_remove(super, selected);
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}
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result = HANDLED;
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break;
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}
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default:
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{
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if (isalpha(ch))
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result = Panel_selectByTyping(super, ch);
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if (result == BREAK_LOOP)
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result = IGNORED;
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break;
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}
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}
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if (result == HANDLED)
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ColumnsPanel_update(super);
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return result;
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}
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PanelClass ColumnsPanel_class = {
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.super = {
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.extends = Class(Panel),
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.delete = ColumnsPanel_delete
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},
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.eventHandler = ColumnsPanel_eventHandler
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};
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ColumnsPanel* ColumnsPanel_new(Settings* settings, ScreenManager* scr) {
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ColumnsPanel* this = AllocThis(ColumnsPanel);
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Panel* super = (Panel*) this;
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Panel_init(super, 1, 1, 1, 1, Class(ListItem), true);
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this->settings = settings;
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this->scr = scr;
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Panel_setHeader(super, "Active Columns");
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ProcessField* fields = this->settings->pl->fields;
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for (; *fields; fields++) {
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Panel_add(super, (Object*) ListItem_new(Process_fieldNames[*fields], 0));
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}
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return this;
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}
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int ColumnsPanel_fieldNameToIndex(const char* name) {
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for (int j = 1; j <= LAST_PROCESSFIELD; j++) {
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if (String_eq(name, Process_fieldNames[j])) {
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return j;
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}
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}
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return 0;
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}
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void ColumnsPanel_update(Panel* super) {
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ColumnsPanel* this = (ColumnsPanel*) super;
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int size = Panel_size(super);
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this->settings->changed = true;
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// FIXME: this is crappily inefficient
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free(this->settings->pl->fields);
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this->settings->pl->fields = (ProcessField*) malloc(sizeof(ProcessField) * (size+1));
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this->settings->pl->flags = 0;
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for (int i = 0; i < size; i++) {
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char* text = ((ListItem*) Panel_get(super, i))->value;
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int j = ColumnsPanel_fieldNameToIndex(text);
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if (j > 0) {
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this->settings->pl->fields[i] = j;
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this->settings->pl->flags |= Process_fieldFlags[j];
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}
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}
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this->settings->pl->fields[size] = 0;
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}
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