src/kits/interface/SeparatorItem.cpp

   1 /*
   2  * Copyright (c) 2001-2014 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Stefano Ceccherini, burton666@libero.it
   7  *              Marc Flerackers, mflerackers@androme.be
   8  *              Bill Hayden, haydentech@users.sourceforge.net
   9  */
  10
  11
  12 #include <SeparatorItem.h>
  13
  14 #include <Font.h>
  15
  16
  17 BSeparatorItem::BSeparatorItem()
  18         :
  19         BMenuItem("", NULL)
  20 {
  21         BMenuItem::SetEnabled(false);
  22 }
  23
  24
  25 BSeparatorItem::BSeparatorItem(BMessage* data)
  26         :
  27         BMenuItem(data)
  28 {
  29         BMenuItem::SetEnabled(false);
  30 }
  31
  32
  33 BSeparatorItem::~BSeparatorItem()
  34 {
  35 }
  36
  37
  38 status_t
  39 BSeparatorItem::Archive(BMessage* data, bool deep) const
  40 {
  41         return BMenuItem::Archive(data, deep);
  42 }
  43
  44
  45 BArchivable*
  46 BSeparatorItem::Instantiate(BMessage* data)
  47 {
  48         if (validate_instantiation(data, "BSeparatorItem"))
  49                 return new BSeparatorItem(data);
  50
  51         return NULL;
  52 }
  53
  54
  55 void
  56 BSeparatorItem::SetEnabled(bool enable)
  57 {
  58         // Don't do anything - we don't want to get enabled ever
  59 }
  60
  61
  62 void
  63 BSeparatorItem::GetContentSize(float* _width, float* _height)
  64 {
  65         if (_width != NULL)
  66                 *_width = 2.0;
  67
  68         if (_height != NULL) {
  69                 BFont font(be_plain_font);
  70                 if (Menu() != NULL)
  71                         Menu()->GetFont(&font);
  72
  73                 const float height = floorf((font.Size() * 0.8) / 2) * 2;
  74                 *_height = max_c(4, height);
  75         }
  76 }
  77
  78
  79 void
  80 BSeparatorItem::Draw()
  81 {
  82         BMenu *menu = Menu();
  83         if (menu == NULL)
  84                 return;
  85
  86         BRect bounds = Frame();
  87         rgb_color oldColor = menu->HighColor();
  88         rgb_color lowColor = menu->LowColor();
  89
  90         const float startTop = bounds.top + (floor(bounds.Height())) / 2;
  91         menu->SetHighColor(tint_color(lowColor, B_DARKEN_1_TINT));
  92         menu->StrokeLine(BPoint(bounds.left + 1.0f, startTop),
  93                 BPoint(bounds.right - 1.0f, startTop));
  94         menu->SetHighColor(tint_color(lowColor, B_LIGHTEN_2_TINT));
  95         menu->StrokeLine(BPoint(bounds.left + 1.0f, startTop + 1.0f),
  96                 BPoint(bounds.right - 1.0f, startTop + 1.0f));
  97
  98         menu->SetHighColor(oldColor);
  99 }
 100
 101
 102 //      #pragma mark - private
 103
 104
 105 void BSeparatorItem::_ReservedSeparatorItem1() {}
 106 void BSeparatorItem::_ReservedSeparatorItem2() {}
 107
 108
 109 BSeparatorItem &
 110 BSeparatorItem::operator=(const BSeparatorItem &)
 111 {
 112         return *this;
 113 }