src/kits/interface/ColorMenuItem.cpp

   1 /*
   2  * Copyright 2014 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
   9
  10 #include "ColorMenuItem.h"
  11
  12 #include <math.h>
  13 #include <string.h>
  14 #include <syslog.h>
  15
  16 #include <algorithm>
  17
  18 #include <MenuField.h>
  19 #include <MenuPrivate.h>
  20
  21
  22 // golden ratio
  23 #ifdef M_PHI
  24 #       undef M_PHI
  25 #endif
  26 #define M_PHI 1.61803398874989484820
  27
  28
  29 //      #pragma - ColorMenuItem
  30
  31
  32 BColorMenuItem::BColorMenuItem(const char* label, BMessage* message,
  33         rgb_color color, char shortcut, uint32 modifiers)
  34         :
  35         BMenuItem(label, message, shortcut, modifiers),
  36         fColor(color)
  37 {
  38 }
  39
  40
  41 BColorMenuItem::BColorMenuItem(BMenu* menu, rgb_color color,
  42         BMessage* message)
  43         :
  44         BMenuItem(menu, message),
  45         fColor(color)
  46 {
  47 }
  48
  49
  50 BColorMenuItem::BColorMenuItem(BMessage* data)
  51         :
  52         BMenuItem(data)
  53 {
  54         if (data->HasColor("_color")) {
  55                 rgb_color color;
  56
  57                 color = data->GetColor("_color", (rgb_color){ 0, 0, 0 });
  58                 fColor = color;
  59         } else
  60                 fColor = (rgb_color){ 0, 0, 0 };
  61 }
  62
  63
  64 BArchivable*
  65 BColorMenuItem::Instantiate(BMessage* data)
  66 {
  67         if (validate_instantiation(data, "BColorMenuItem"))
  68                 return new BColorMenuItem(data);
  69
  70         return NULL;
  71 }
  72
  73
  74 status_t
  75 BColorMenuItem::Archive(BMessage* data, bool deep) const
  76 {
  77         status_t result = BMenuItem::Archive(data, deep);
  78
  79         if (result == B_OK)
  80                 result = data->AddColor("_color", fColor);
  81
  82         return result;
  83 }
  84
  85
  86 void
  87 BColorMenuItem::DrawContent()
  88 {
  89         float leftMargin = _LeftMargin();
  90         float padding = _Padding();
  91         float colorRectWidth = _ColorRectWidth();
  92
  93         BRect colorRect(Frame().InsetByCopy(2.0f, 2.0f));
  94         colorRect.left = colorRect.right = leftMargin;
  95         colorRect.right += colorRectWidth;
  96
  97         rgb_color highColor = Menu()->HighColor();
  98
  99         Menu()->SetDrawingMode(B_OP_OVER);
 100
 101         Menu()->SetHighColor(fColor);
 102         Menu()->FillRect(colorRect);
 103
 104         Menu()->SetHighColor(ui_color(B_CONTROL_BORDER_COLOR));
 105         Menu()->StrokeRect(colorRect);
 106
 107         float width = colorRectWidth + padding;
 108
 109         Menu()->MovePenBy(width, 0.0f);
 110         Menu()->SetHighColor(highColor);
 111
 112         BMenuItem::DrawContent();
 113 }
 114
 115
 116 void
 117 BColorMenuItem::GetContentSize(float* _width, float* _height)
 118 {
 119         float labelWidth;
 120         float height;
 121         BMenuItem::GetContentSize(&labelWidth, &height);
 122
 123         if (_width != NULL)
 124                 *_width = _LeftMargin() + _ColorRectWidth() + _Padding() + labelWidth;
 125
 126         if (_height != NULL)
 127                 *_height = height;
 128 }
 129
 130
 131 void
 132 BColorMenuItem::SetMarked(bool mark)
 133 {
 134         BMenuItem::SetMarked(mark);
 135
 136         if (!mark)
 137                 return;
 138
 139         // we are marking the item
 140
 141         BMenu* menu = Menu();
 142         if (menu == NULL)
 143                 return;
 144
 145         // we have a parent menu
 146
 147         BMenu* _menu = menu;
 148         while ((_menu = _menu->Supermenu()) != NULL)
 149                 menu = _menu;
 150
 151         // went up the hierarchy to found the topmost menu
 152
 153         if (menu == NULL || menu->Parent() == NULL)
 154                 return;
 155
 156         // our topmost menu has a parent
 157
 158         if (dynamic_cast<BMenuField*>(menu->Parent()) == NULL)
 159                 return;
 160
 161         // our topmost menu's parent is a BMenuField
 162
 163         BMenuItem* topLevelItem = menu->ItemAt((int32)0);
 164
 165         if (topLevelItem == NULL)
 166                 return;
 167
 168         // our topmost menu has a menu item
 169
 170         BColorMenuItem* topLevelColorMenuItem
 171                 = dynamic_cast<BColorMenuItem*>(topLevelItem);
 172         if (topLevelColorMenuItem == NULL)
 173                 return;
 174
 175         // our topmost menu's item is a BColorMenuItem
 176
 177         // update the color
 178         topLevelColorMenuItem->SetColor(fColor);
 179         menu->Invalidate();
 180 }
 181
 182
 183 //      #pragma mark - BColorMenuItem private methods
 184
 185
 186 float
 187 BColorMenuItem::_LeftMargin()
 188 {
 189         BPrivate::MenuPrivate menuPrivate(Menu());
 190         float leftMargin;
 191         menuPrivate.GetItemMargins(&leftMargin, NULL, NULL, NULL);
 192         return leftMargin;
 193 }
 194
 195
 196 float
 197 BColorMenuItem::_Padding()
 198 {
 199         return floorf(std::max(14.0f, be_plain_font->Size() + 2) / 2);
 200 }
 201
 202
 203 float
 204 BColorMenuItem::_ColorRectWidth()
 205 {
 206         return floorf(std::max(14.0f, be_plain_font->Size() + 2) * M_PHI);
 207 }
 208
 209
 210
 211 // #pragma mark - BColorMenuItem reserved virtual methods
 212
 213
 214 void BColorMenuItem::_ReservedColorMenuItem1() {}
 215 void BColorMenuItem::_ReservedColorMenuItem2() {}
 216 void BColorMenuItem::_ReservedColorMenuItem3() {}
 217 void BColorMenuItem::_ReservedColorMenuItem4() {}
 218 void BColorMenuItem::_ReservedColorMenuItem5() {}
 219 void BColorMenuItem::_ReservedColorMenuItem6() {}
 220 void BColorMenuItem::_ReservedColorMenuItem7() {}
 221 void BColorMenuItem::_ReservedColorMenuItem8() {}
 222 void BColorMenuItem::_ReservedColorMenuItem9() {}
 223 void BColorMenuItem::_ReservedColorMenuItem10() {}
 224 void BColorMenuItem::_ReservedColorMenuItem11() {}
 225 void BColorMenuItem::_ReservedColorMenuItem12() {}
 226 void BColorMenuItem::_ReservedColorMenuItem13() {}
 227 void BColorMenuItem::_ReservedColorMenuItem14() {}
 228 void BColorMenuItem::_ReservedColorMenuItem15() {}
 229 void BColorMenuItem::_ReservedColorMenuItem16() {}
 230 void BColorMenuItem::_ReservedColorMenuItem17() {}
 231 void BColorMenuItem::_ReservedColorMenuItem18() {}
 232 void BColorMenuItem::_ReservedColorMenuItem19() {}
 233 void BColorMenuItem::_ReservedColorMenuItem20() {}