From 3383d8e5561dfc6fb2b65e0a194df94ccb5e08af Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Wed, 21 Jan 2015 23:27:31 -0200
Subject: Sorry about the mega-patch. This is a work-in-progress, code is
 currently broken. (Some actions, and notably, the header, are missing.)

---
 ColumnsPanel.c | 60 +++++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 41 insertions(+), 19 deletions(-)

(limited to 'ColumnsPanel.c')

diff --git a/ColumnsPanel.c b/ColumnsPanel.c
index f4eed99e..6a2dc084 100644
--- a/ColumnsPanel.c
+++ b/ColumnsPanel.c
@@ -8,6 +8,7 @@ in the source distribution for its full text.
 #include "ColumnsPanel.h"
 
 #include "String.h"
+#include "ListItem.h"
 
 #include <assert.h>
 #include <stdlib.h>
@@ -16,13 +17,12 @@ in the source distribution for its full text.
 /*{
 #include "Panel.h"
 #include "Settings.h"
-#include "ScreenManager.h"
 
 typedef struct ColumnsPanel_ {
    Panel super;
 
    Settings* settings;
-   ScreenManager* scr;
+   bool moving;
 } ColumnsPanel;
 
 }*/
@@ -35,12 +35,32 @@ static void ColumnsPanel_delete(Object* object) {
 }
 
 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 '-':
@@ -50,6 +70,13 @@ static HandlerResult ColumnsPanel_eventHandler(Panel* super, int ch) {
          result = HANDLED;
          break;
       }
+      case KEY_DOWN:
+      {
+         if (!this->moving) {
+            break;
+         }
+         /* else fallthrough */
+      }
       case KEY_F(8):
       case ']':
       case '+':
@@ -90,47 +117,42 @@ PanelClass ColumnsPanel_class = {
    .eventHandler = ColumnsPanel_eventHandler
 };
 
-ColumnsPanel* ColumnsPanel_new(Settings* settings, ScreenManager* scr) {
+ColumnsPanel* ColumnsPanel_new(Settings* settings) {
    ColumnsPanel* this = AllocThis(ColumnsPanel);
    Panel* super = (Panel*) this;
    Panel_init(super, 1, 1, 1, 1, Class(ListItem), true);
 
    this->settings = settings;
-   this->scr = scr;
+   this->moving = false;
    Panel_setHeader(super, "Active Columns");
 
-   ProcessField* fields = this->settings->pl->fields;
+   ProcessField* fields = this->settings->fields;
    for (; *fields; fields++) {
-      Panel_add(super, (Object*) ListItem_new(Process_fieldNames[*fields], 0));
+      Panel_add(super, (Object*) ListItem_new(Process_fields[*fields].name, *fields));
    }
    return this;
 }
 
 int ColumnsPanel_fieldNameToIndex(const char* name) {
    for (int j = 1; j <= LAST_PROCESSFIELD; j++) {
-      if (String_eq(name, Process_fieldNames[j])) {
+      if (String_eq(name, Process_fields[j].name)) {
          return j;
       }
    }
-   return 0;
+   return -1;
 }
 
 void ColumnsPanel_update(Panel* super) {
    ColumnsPanel* this = (ColumnsPanel*) super;
    int size = Panel_size(super);
    this->settings->changed = true;
-   // FIXME: this is crappily inefficient
-   free(this->settings->pl->fields);
-   this->settings->pl->fields = (ProcessField*) malloc(sizeof(ProcessField) * (size+1));
-   this->settings->pl->flags = 0;
+   this->settings->fields = realloc(this->settings->fields, sizeof(ProcessField) * (size+1));
+   this->settings->flags = 0;
    for (int i = 0; i < size; i++) {
-      char* text = ((ListItem*) Panel_get(super, i))->value;
-          int j = ColumnsPanel_fieldNameToIndex(text);
-          if (j > 0) {
-             this->settings->pl->fields[i] = j;
-             this->settings->pl->flags |= Process_fieldFlags[j];
-          }
+      int key = ((ListItem*) Panel_get(super, i))->key;
+      this->settings->fields[i] = key;
+      this->settings->flags |= Process_fields[key].flags;
    }
-   this->settings->pl->fields[size] = 0;
+   this->settings->fields[size] = 0;
 }
 
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