Rename ListBox'es to Panel's, matching dit.

ColumnsPanel.c

@@ -0,0 +1,104 @@
+
+#include "ColumnsPanel.h"
+
+#include "Panel.h"
+#include "Settings.h"
+#include "ScreenManager.h"
+
+#include "debug.h"
+#include <assert.h>
+
+/*{
+
+typedef struct ColumnsPanel_ {
+   Panel super;
+
+   Settings* settings;
+   ScreenManager* scr;
+} ColumnsPanel;
+
+}*/
+
+ColumnsPanel* ColumnsPanel_new(Settings* settings, ScreenManager* scr) {
+   ColumnsPanel* this = (ColumnsPanel*) malloc(sizeof(ColumnsPanel));
+   Panel* super = (Panel*) this;
+   Panel_init(super, 1, 1, 1, 1, LISTITEM_CLASS, true);
+   ((Object*)this)->delete = ColumnsPanel_delete;
+
+   this->settings = settings;
+   this->scr = scr;
+   super->eventHandler = ColumnsPanel_eventHandler;
+   Panel_setHeader(super, "Active Columns");
+
+   ProcessField* fields = this->settings->pl->fields;
+   for (; *fields; fields++) {
+      Panel_add(super, (Object*) ListItem_new(Process_fieldNames[*fields], 0));
+   }
+   return this;
+}
+
+void ColumnsPanel_delete(Object* object) {
+   Panel* super = (Panel*) object;
+   ColumnsPanel* this = (ColumnsPanel*) object;
+   Panel_done(super);
+   free(this);
+}
+
+void ColumnsPanel_update(Panel* super) {
+   ColumnsPanel* this = (ColumnsPanel*) super;
+   int size = Panel_getSize(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));
+   for (int i = 0; i < size; i++) {
+      char* text = ((ListItem*) Panel_get(super, i))->value;
+      for (int j = 1; j <= LAST_PROCESSFIELD; j++) {
+         if (String_eq(text, Process_fieldNames[j])) {
+            this->settings->pl->fields[i] = j;
+            break;
+         }
+      }
+   }
+   this->settings->pl->fields[size] = 0;
+}
+
+HandlerResult ColumnsPanel_eventHandler(Panel* super, int ch) {
+   
+   int selected = Panel_getSelectedIndex(super);
+   HandlerResult result = IGNORED;
+   int size = Panel_getSize(super);
+
+   switch(ch) {
+      case KEY_F(7):
+      case '[':
+      case '-':
+      {
+         if (selected < size - 1)
+            Panel_moveSelectedUp(super);
+         result = HANDLED;
+         break;
+      }
+      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;
+      }
+   }
+   if (result == HANDLED)
+      ColumnsPanel_update(super);
+   return result;
+}