src/add-ons/screen_savers/gravity/ColorItem.cpp

   1 /*
   2  * Copyright 2016 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              John Scipione, jscipione@gmail.com
   7  *
   8  * Based on ColorWhichItem by DarkWyrm (bpmagic@columbus.rr.com)
   9  */
  10
  11
  12 #include "ColorItem.h"
  13
  14 #include <math.h>
  15
  16 #include <ControlLook.h>
  17 #include <View.h>
  18
  19
  20 // golden ratio
  21 #ifdef M_PHI
  22 #       undef M_PHI
  23 #endif
  24 #define M_PHI 1.61803398874989484820
  25
  26
  27 //      #pragma mark - ColorItem
  28
  29
  30 ColorItem::ColorItem(const char* string, rgb_color color)
  31         :
  32         BStringItem(string, 0, false),
  33         fColor(color)
  34 {
  35 }
  36
  37
  38 void
  39 ColorItem::DrawItem(BView* owner, BRect frame, bool complete)
  40 {
  41         rgb_color highColor = owner->HighColor();
  42         rgb_color lowColor = owner->LowColor();
  43
  44         if (IsSelected() || complete) {
  45                 if (IsSelected()) {
  46                         owner->SetHighUIColor(B_LIST_SELECTED_BACKGROUND_COLOR);
  47                         owner->SetLowColor(owner->HighColor());
  48                 } else
  49                         owner->SetHighColor(lowColor);
  50
  51                 owner->FillRect(frame);
  52         }
  53
  54         float spacer = ceilf(be_control_look->DefaultItemSpacing() / 2);
  55
  56         BRect colorRect(frame);
  57         colorRect.InsetBy(2.0f, 2.0f);
  58         colorRect.left += spacer;
  59         colorRect.right = colorRect.left + floorf(colorRect.Height() * M_PHI);
  60
  61         // draw the colored box
  62         owner->SetHighColor(fColor);
  63         owner->FillRect(colorRect);
  64
  65         // draw the border
  66         owner->SetHighUIColor(B_CONTROL_BORDER_COLOR);
  67         owner->StrokeRect(colorRect);
  68
  69         // draw the string
  70         owner->MovePenTo(colorRect.right + spacer, frame.top + BaselineOffset());
  71
  72         if (!IsEnabled()) {
  73                 rgb_color textColor = ui_color(B_LIST_ITEM_TEXT_COLOR);
  74                 if (textColor.red + textColor.green + textColor.blue > 128 * 3)
  75                         owner->SetHighColor(tint_color(textColor, B_DARKEN_2_TINT));
  76                 else
  77                         owner->SetHighColor(tint_color(textColor, B_LIGHTEN_2_TINT));
  78         } else {
  79                 if (IsSelected())
  80                         owner->SetHighUIColor(B_LIST_SELECTED_ITEM_TEXT_COLOR);
  81                 else
  82                         owner->SetHighUIColor(B_LIST_ITEM_TEXT_COLOR);
  83         }
  84
  85         owner->DrawString(Text());
  86
  87         owner->SetHighColor(highColor);
  88         owner->SetLowColor(lowColor);
  89 }
  90
  91
  92 void
  93 ColorItem::SetColor(rgb_color color)
  94 {
  95         fColor = color;
  96 }