1 /* 2 * Copyright 2012-2020 Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 #include <ControlLook.h> 7 8 #include <algorithm> 9 #include <binary_compatibility/Interface.h> 10 11 12 namespace BPrivate { 13 14 15 BControlLook::BControlLook() 16 : 17 fCachedWorkspace(-1) 18 { 19 } 20 21 22 BControlLook::~BControlLook() 23 { 24 } 25 26 27 float 28 BControlLook::ComposeSpacing(float spacing) 29 { 30 switch ((int)spacing) { 31 case B_USE_DEFAULT_SPACING: 32 case B_USE_ITEM_SPACING: 33 return be_control_look->DefaultItemSpacing(); 34 case B_USE_HALF_ITEM_SPACING: 35 return ceilf(be_control_look->DefaultItemSpacing() * 0.5f); 36 case B_USE_WINDOW_SPACING: 37 return be_control_look->DefaultItemSpacing(); 38 case B_USE_SMALL_SPACING: 39 return ceilf(be_control_look->DefaultItemSpacing() * 0.7f); 40 case B_USE_CORNER_SPACING: 41 return ceilf(be_control_look->DefaultItemSpacing() * 1.272f); 42 case B_USE_BIG_SPACING: 43 return ceilf(be_control_look->DefaultItemSpacing() * 1.8f); 44 45 case B_USE_BORDER_SPACING: 46 return std::max(1.0f, floorf(be_control_look->DefaultItemSpacing() / 11.0f)); 47 } 48 49 return spacing; 50 } 51 52 53 BSize 54 BControlLook::ComposeIconSize(int32 size) 55 { 56 float scale = be_plain_font->Size() / 12.0f; 57 if (scale < 1.0f) 58 scale = 1.0f; 59 60 const int32 scaled = (int32)(size * scale); 61 return BSize(scaled - 1, scaled - 1); 62 } 63 64 65 bool 66 BControlLook::ShouldDraw(BView* view, const BRect& rect, const BRect& updateRect) 67 { 68 if (!rect.IsValid()) 69 return false; 70 71 BPoint points[4]; 72 points[0] = rect.LeftTop(); 73 points[1] = rect.RightBottom(); 74 points[2] = rect.LeftBottom(); 75 points[3] = rect.RightTop(); 76 77 view->TransformTo(B_VIEW_COORDINATES).Apply(points, 4); 78 79 BRect dest; 80 dest.left = dest.right = points[0].x; 81 dest.top = dest.bottom = points[0].y; 82 for (int i = 1; i < 4; i++) { 83 dest.left = std::min(dest.left, points[i].x); 84 dest.right = std::max(dest.right, points[i].x); 85 dest.top = std::min(dest.top, points[i].y); 86 dest.bottom = std::max(dest.bottom, points[i].y); 87 } 88 dest.left = floorf(dest.left); 89 dest.right = ceilf(dest.right); 90 dest.top = floorf(dest.top); 91 dest.bottom = ceilf(dest.bottom); 92 93 return dest.Intersects(updateRect); 94 } 95 96 97 void 98 BControlLook::DrawLabel(BView* view, const char* label, const BBitmap* icon, 99 BRect rect, const BRect& updateRect, const rgb_color& base, uint32 flags, 100 const rgb_color* textColor) 101 { 102 DrawLabel(view, label, icon, rect, updateRect, base, flags, 103 DefaultLabelAlignment(), textColor); 104 } 105 106 107 void 108 BControlLook::GetInsets(frame_type frameType, background_type backgroundType, 109 uint32 flags, float& _left, float& _top, float& _right, float& _bottom) 110 { 111 GetFrameInsets(frameType, flags, _left, _top, _right, _bottom); 112 113 float left, top, right, bottom; 114 GetBackgroundInsets(backgroundType, flags, left, top, right, bottom); 115 116 _left += left; 117 _top += top; 118 _right += right; 119 _bottom += bottom; 120 } 121 122 123 float 124 BControlLook::GetScrollBarWidth(orientation orientation) 125 { 126 return ComposeSpacing(B_USE_CORNER_SPACING); 127 } 128 129 130 void 131 BControlLook::SetBackgroundInfo(const BMessage& backgroundInfo) 132 { 133 fBackgroundInfo = backgroundInfo; 134 fCachedWorkspace = -1; 135 } 136 137 138 extern "C" void 139 B_IF_GCC_2(_ReservedControlLook1__Q28BPrivate12BControlLook, 140 _ZN8BPrivate12BControlLook21_ReservedControlLook1Ev)( 141 BControlLook* controlLook, BView* view, BRect& rect, 142 const BRect& updateRect, const rgb_color& base, uint32 flags, 143 uint32 borders, border_style borderStyle, uint32 side) 144 { 145 controlLook->DrawTabFrame(view, rect, updateRect, base, flags, borders, 146 borderStyle, side); 147 } 148 149 150 extern "C" void 151 B_IF_GCC_2(_ReservedControlLook2__Q28BPrivate12BControlLook, 152 _ZN8BPrivate12BControlLook21_ReservedControlLook2Ev)( 153 BControlLook* controlLook, BView* view, BRect rect, 154 const BRect& updateRect, const rgb_color& base, uint32 flags, 155 int32 direction, orientation orientation, bool down) 156 { 157 controlLook->DrawScrollBarButton(view, rect, updateRect, base, flags, 158 direction, orientation, down); 159 } 160 161 162 extern "C" void 163 B_IF_GCC_2(_ReservedControlLook3__Q28BPrivate12BControlLook, 164 _ZN8BPrivate12BControlLook21_ReservedControlLook3Ev)( 165 BControlLook* controlLook, BView* view, BRect rect, 166 const BRect& updateRect, const rgb_color& base, uint32 flags, 167 int32 direction, orientation orientation, uint32 knobStyle) 168 { 169 controlLook->DrawScrollBarThumb(view, rect, updateRect, base, flags, 170 orientation, knobStyle); 171 } 172 173 174 extern "C" void 175 B_IF_GCC_2(_ReservedControlLook4__Q28BPrivate12BControlLook, 176 _ZN8BPrivate12BControlLook21_ReservedControlLook4Ev)( 177 BControlLook* controlLook, BView* view, BRect rect, 178 const BRect& updateRect, const rgb_color& base, uint32 flags, 179 orientation orientation) 180 { 181 controlLook->DrawScrollBarBorder(view, rect, updateRect, base, flags, 182 orientation); 183 } 184 185 186 extern "C" float 187 B_IF_GCC_2(_ReservedControlLook5__Q28BPrivate12BControlLook, 188 _ZN8BPrivate12BControlLook21_ReservedControlLook5Ev)( 189 BControlLook* controlLook, orientation orientation) 190 { 191 return controlLook->GetScrollBarWidth(orientation); 192 } 193 194 195 void BControlLook::_ReservedControlLook6() {} 196 void BControlLook::_ReservedControlLook7() {} 197 void BControlLook::_ReservedControlLook8() {} 198 void BControlLook::_ReservedControlLook9() {} 199 void BControlLook::_ReservedControlLook10() {} 200 201 202 // Initialized in InterfaceDefs.cpp 203 BControlLook* be_control_look = NULL; 204 205 } // namespace BPrivate 206