Descent3/ui/UIGroup.cpp

/*
* Descent 3 
* Copyright (C) 2024 Parallax Software
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.

--- HISTORICAL COMMENTS FOLLOW ---

 * $Logfile: /DescentIII/Main/ui/UIGroup.cpp $
 * $Revision: 6 $
 * $Date: 4/14/99 1:53a $
 * $Author: Jeff $
 *
 * Group box
 *
 * $Log: /DescentIII/Main/ui/UIGroup.cpp $
 *
 * 6     4/14/99 1:53a Jeff
 * fixed case mismatched #includes
 *
 * 5     10/20/98 12:14p Jeff
 * added color to the UIGroup
 *
 * 4     10/16/98 1:42p Jeff
 * updated UIGroup
 *
 * 3     10/12/98 11:30a Kevin
 * More memory stuff
 *
 * 2     10/07/98 11:25a Jeff
 * created UIGroup
 *
 * $NoKeywords: $
 */

#include <cstdlib>
#include <cstring>

#include "UIlib.h"
#include "mem.h"

//	----------------------------------------------------------------------------
//	UIGroup
//		Draws a group box on to the window

UIGroup::UIGroup() {
  m_Label = NULL;
  m_bTextCreated = false;
}

UIGroup::~UIGroup() {}

void UIGroup::Create(UIWindow *parent, char *label, int x, int y, int w, int h, ddgr_color label_color,
                     ddgr_color box_color, int flags) {
  ASSERT(parent);
  ASSERT(label);

  m_LabelColor = label_color;
  m_BoxColor = box_color;

  UIStatic::Create(parent, NULL, x, y, w, h, flags);

  int length = strlen(label);
  if (length) {
    m_Label = (char *)mem_malloc(length + 1);
    strcpy(m_Label, label);
  }
}

void UIGroup::OnDraw() {
  ui_DrawSetAlpha(255);

  int text_height = 0;
  int text_width = 0;

  if (m_Label) {
    text_height = ui_GetTextHeight("X") / 2;
    text_width = ui_GetTextWidth(m_Label);
  }

  ui_DrawLine(m_BoxColor, 0, text_height, 0, m_H - 1);             // left side
  ui_DrawLine(m_BoxColor, 0, m_H - 1, m_W - 1, m_H - 1);           // bottom
  ui_DrawLine(m_BoxColor, m_W - 1, m_H - 1, m_W - 1, text_height); // right side

  int top_edge_length = 0;

  top_edge_length = (m_W - text_width) / 2;
  if (m_Label)
    top_edge_length -= 3;

  if (top_edge_length < 0)
    top_edge_length = 0;

  ui_DrawLine(m_BoxColor, 0, text_height, top_edge_length, text_height);
  ui_DrawLine(m_BoxColor, m_W, text_height, m_W - top_edge_length, text_height);

  if (!m_bTextCreated) {
    m_bTextCreated = true;
    UITextItem item{(m_Label) ? m_Label : "", m_LabelColor};
    m_tLabel.Create(m_Wnd, &item, m_X + top_edge_length + 3, m_Y);
  }
}

void UIGroup::OnDestroy() {
  if (m_Label)
    mem_free(m_Label);
}