mirror of https://github.com/xzeldon/htop.git
123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
/*
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htop - AvailableColumnsPanel.c
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(C) 2004-2011 Hisham H. Muhammad
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Released under the GNU GPLv2+, 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 "AvailableColumnsPanel.h"
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#include <assert.h>
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#include <ctype.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include "ColumnsPanel.h"
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#include "DynamicColumn.h"
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#include "FunctionBar.h"
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#include "Hashtable.h"
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#include "ListItem.h"
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#include "Object.h"
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#include "Process.h"
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#include "ProvideCurses.h"
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#include "XUtils.h"
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static const char* const AvailableColumnsFunctions[] = {" ", " ", " ", " ", "Add ", " ", " ", " ", " ", "Done ", NULL};
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static void AvailableColumnsPanel_delete(Object* object) {
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Panel* super = (Panel*) object;
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AvailableColumnsPanel* this = (AvailableColumnsPanel*) object;
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Panel_done(super);
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free(this);
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}
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static void AvailableColumnsPanel_insert(AvailableColumnsPanel* this, int at, int key) {
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const char* name;
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if (key >= LAST_PROCESSFIELD)
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name = DynamicColumn_init(key);
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else
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name = Process_fields[key].name;
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Panel_insert(this->columns, at, (Object*) ListItem_new(name, key));
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}
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static HandlerResult AvailableColumnsPanel_eventHandler(Panel* super, int ch) {
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AvailableColumnsPanel* this = (AvailableColumnsPanel*) super;
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HandlerResult result = IGNORED;
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switch(ch) {
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case 13:
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case KEY_ENTER:
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case KEY_F(5):
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{
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const ListItem* selected = (ListItem*) Panel_getSelected(super);
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if (!selected)
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break;
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int at = Panel_getSelectedIndex(this->columns);
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AvailableColumnsPanel_insert(this, at, selected->key);
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Panel_setSelected(this->columns, at + 1);
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ColumnsPanel_update(this->columns);
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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 (0 < ch && ch < 255 && isgraph((unsigned char)ch))
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result = Panel_selectByTyping(super, ch);
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break;
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}
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}
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return result;
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}
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const PanelClass AvailableColumnsPanel_class = {
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.super = {
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.extends = Class(Panel),
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.delete = AvailableColumnsPanel_delete
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},
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.eventHandler = AvailableColumnsPanel_eventHandler
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};
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static void AvailableColumnsPanel_addDynamicColumn(ht_key_t key, void* value, void* data) {
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const DynamicColumn* column = (const DynamicColumn*) value;
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Panel* super = (Panel*) data;
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const char* title = column->caption ? column->caption : column->heading;
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if (!title)
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title = column->name; // fallback to the only mandatory field
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char description[256];
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xSnprintf(description, sizeof(description), "%s - %s", title, column->description);
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Panel_add(super, (Object*) ListItem_new(description, key));
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}
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// Handle DynamicColumns entries in the AvailableColumnsPanel
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static void AvailableColumnsPanel_addDynamicColumns(Panel* super, Hashtable* dynamicColumns) {
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assert(dynamicColumns);
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Hashtable_foreach(dynamicColumns, AvailableColumnsPanel_addDynamicColumn, super);
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}
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// Handle remaining Platform Meter entries in the AvailableColumnsPanel
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static void AvailableColumnsPanel_addPlatformColumn(Panel* super) {
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for (int i = 1; i < LAST_PROCESSFIELD; i++) {
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if (i != COMM && Process_fields[i].description) {
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char description[256];
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xSnprintf(description, sizeof(description), "%s - %s", Process_fields[i].name, Process_fields[i].description);
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Panel_add(super, (Object*) ListItem_new(description, i));
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}
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}
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}
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AvailableColumnsPanel* AvailableColumnsPanel_new(Panel* columns, Hashtable* dynamicColumns) {
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AvailableColumnsPanel* this = AllocThis(AvailableColumnsPanel);
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Panel* super = (Panel*) this;
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FunctionBar* fuBar = FunctionBar_new(AvailableColumnsFunctions, NULL, NULL);
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Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
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Panel_setHeader(super, "Available Columns");
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AvailableColumnsPanel_addPlatformColumn(super);
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AvailableColumnsPanel_addDynamicColumns(super, dynamicColumns);
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this->columns = columns;
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return this;
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}
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