From 9060a4179da07c82e73142b2b2afab5e6efaa8b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Fri, 25 Dec 2020 16:42:35 +0100
Subject: Add option to change Header layout

---
 HeaderOptionsPanel.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 HeaderOptionsPanel.c

(limited to 'HeaderOptionsPanel.c')

diff --git a/HeaderOptionsPanel.c b/HeaderOptionsPanel.c
new file mode 100644
index 00000000..f0d28d72
--- /dev/null
+++ b/HeaderOptionsPanel.c
@@ -0,0 +1,87 @@
+/*
+htop - HeaderOptionsPanel.c
+(C) 2021 htop dev team
+Released under the GNU GPLv2, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "HeaderOptionsPanel.h"
+
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include "CRT.h"
+#include "FunctionBar.h"
+#include "Header.h"
+#include "Object.h"
+#include "OptionItem.h"
+#include "ProvideCurses.h"
+#include "RichString.h"
+#include "Vector.h"
+
+
+static const char* const HeaderOptionsFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "Done  ", NULL};
+
+static void HeaderOptionsPanel_delete(Object* object) {
+   Panel* super = (Panel*) object;
+   HeaderOptionsPanel* this = (HeaderOptionsPanel*) object;
+   Panel_done(super);
+   free(this);
+}
+
+static HandlerResult HeaderOptionsPanel_eventHandler(Panel* super, int ch) {
+   HeaderOptionsPanel* this = (HeaderOptionsPanel*) super;
+
+   HandlerResult result = IGNORED;
+   int mark;
+
+   switch(ch) {
+   case 0x0a:
+   case 0x0d:
+   case KEY_ENTER:
+   case KEY_MOUSE:
+   case KEY_RECLICK:
+   case ' ':
+      mark = Panel_getSelectedIndex(super);
+      assert(mark >= 0);
+      assert(mark < LAST_HEADER_LAYOUT);
+
+      for (int i = 0; i < LAST_HEADER_LAYOUT; i++)
+         CheckItem_set((CheckItem*)Panel_get(super, i), false);
+      CheckItem_set((CheckItem*)Panel_get(super, mark), true);
+
+      Header_setLayout(this->scr->header, mark);
+      this->settings->changed = true;
+
+      ScreenManager_resize(this->scr);
+
+      result = HANDLED;
+   }
+
+   return result;
+}
+
+const PanelClass HeaderOptionsPanel_class = {
+   .super = {
+      .extends = Class(Panel),
+      .delete = HeaderOptionsPanel_delete
+   },
+   .eventHandler = HeaderOptionsPanel_eventHandler
+};
+
+HeaderOptionsPanel* HeaderOptionsPanel_new(Settings* settings, ScreenManager* scr) {
+   HeaderOptionsPanel* this = AllocThis(HeaderOptionsPanel);
+   Panel* super = (Panel*) this;
+   FunctionBar* fuBar = FunctionBar_new(HeaderOptionsFunctions, NULL, NULL);
+   Panel_init(super, 1, 1, 1, 1, Class(CheckItem), true, fuBar);
+
+   this->scr = scr;
+   this->settings = settings;
+
+   Panel_setHeader(super, "Header Layout");
+   for (int i = 0; i < LAST_HEADER_LAYOUT; i++) {
+      Panel_add(super, (Object*) CheckItem_newByVal(HeaderLayout_layouts[i].description, false));
+   }
+   CheckItem_set((CheckItem*)Panel_get(super, settings->hLayout), true);
+   return this;
+}
-- 
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