| 1 | /** |
| 2 | * Copyright (c) 2006-2023 LOVE Development Team |
| 3 | * |
| 4 | * This software is provided 'as-is', without any express or implied |
| 5 | * warranty. In no event will the authors be held liable for any damages |
| 6 | * arising from the use of this software. |
| 7 | * |
| 8 | * Permission is granted to anyone to use this software for any purpose, |
| 9 | * including commercial applications, and to alter it and redistribute it |
| 10 | * freely, subject to the following restrictions: |
| 11 | * |
| 12 | * 1. The origin of this software must not be misrepresented; you must not |
| 13 | * claim that you wrote the original software. If you use this software |
| 14 | * in a product, an acknowledgment in the product documentation would be |
| 15 | * appreciated but is not required. |
| 16 | * 2. Altered source versions must be plainly marked as such, and must not be |
| 17 | * misrepresented as being the original software. |
| 18 | * 3. This notice may not be removed or altered from any source distribution. |
| 19 | **/ |
| 20 | |
| 21 | // LOVE |
| 22 | #include "wrap_Mouse.h" |
| 23 | #include "wrap_Cursor.h" |
| 24 | #include "common/config.h" |
| 25 | |
| 26 | #include "sdl/Mouse.h" |
| 27 | #include "filesystem/File.h" |
| 28 | |
| 29 | namespace love |
| 30 | { |
| 31 | namespace mouse |
| 32 | { |
| 33 | |
| 34 | #define instance() (Module::getInstance<Mouse>(Module::M_MOUSE)) |
| 35 | |
| 36 | int w_newCursor(lua_State *L) |
| 37 | { |
| 38 | Cursor *cursor = nullptr; |
| 39 | |
| 40 | if (lua_isstring(L, 1) || luax_istype(L, 1, love::filesystem::File::type) || luax_istype(L, 1, love::filesystem::FileData::type)) |
| 41 | luax_convobj(L, 1, "image" , "newImageData" ); |
| 42 | |
| 43 | love::image::ImageData *data = luax_checktype<love::image::ImageData>(L, 1); |
| 44 | int hotx = (int) luaL_optinteger(L, 2, 0); |
| 45 | int hoty = (int) luaL_optinteger(L, 3, 0); |
| 46 | |
| 47 | luax_catchexcept(L, [&](){ cursor = instance()->newCursor(data, hotx, hoty); }); |
| 48 | |
| 49 | luax_pushtype(L, cursor); |
| 50 | cursor->release(); |
| 51 | return 1; |
| 52 | } |
| 53 | |
| 54 | int w_getSystemCursor(lua_State *L) |
| 55 | { |
| 56 | const char *str = luaL_checkstring(L, 1); |
| 57 | Cursor::SystemCursor systemCursor; |
| 58 | |
| 59 | if (!Cursor::getConstant(str, systemCursor)) |
| 60 | return luax_enumerror(L, "system cursor type" , str); |
| 61 | |
| 62 | Cursor *cursor = 0; |
| 63 | luax_catchexcept(L, [&](){ cursor = instance()->getSystemCursor(systemCursor); }); |
| 64 | |
| 65 | luax_pushtype(L, cursor); |
| 66 | return 1; |
| 67 | } |
| 68 | |
| 69 | int w_setCursor(lua_State *L) |
| 70 | { |
| 71 | // Revert to the default system cursor if no argument is given. |
| 72 | if (lua_isnoneornil(L, 1)) |
| 73 | { |
| 74 | instance()->setCursor(); |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | Cursor *cursor = luax_checkcursor(L, 1); |
| 79 | instance()->setCursor(cursor); |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | int w_getCursor(lua_State *L) |
| 84 | { |
| 85 | Cursor *cursor = instance()->getCursor(); |
| 86 | |
| 87 | if (cursor) |
| 88 | luax_pushtype(L, cursor); |
| 89 | else |
| 90 | lua_pushnil(L); |
| 91 | |
| 92 | return 1; |
| 93 | } |
| 94 | |
| 95 | int w_isCursorSupported(lua_State *L) |
| 96 | { |
| 97 | luax_pushboolean(L, instance()->isCursorSupported()); |
| 98 | return 1; |
| 99 | } |
| 100 | |
| 101 | int w_getX(lua_State *L) |
| 102 | { |
| 103 | lua_pushnumber(L, instance()->getX()); |
| 104 | return 1; |
| 105 | } |
| 106 | |
| 107 | int w_getY(lua_State *L) |
| 108 | { |
| 109 | lua_pushnumber(L, instance()->getY()); |
| 110 | return 1; |
| 111 | } |
| 112 | |
| 113 | int w_getPosition(lua_State *L) |
| 114 | { |
| 115 | double x, y; |
| 116 | instance()->getPosition(x, y); |
| 117 | lua_pushnumber(L, x); |
| 118 | lua_pushnumber(L, y); |
| 119 | return 2; |
| 120 | } |
| 121 | |
| 122 | int w_setX(lua_State *L) |
| 123 | { |
| 124 | double x = luaL_checknumber(L, 1); |
| 125 | instance()->setX(x); |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | int w_setY(lua_State *L) |
| 130 | { |
| 131 | double y = luaL_checknumber(L, 1); |
| 132 | instance()->setY(y); |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | int w_setPosition(lua_State *L) |
| 137 | { |
| 138 | double x = luaL_checknumber(L, 1); |
| 139 | double y = luaL_checknumber(L, 2); |
| 140 | instance()->setPosition(x, y); |
| 141 | return 0; |
| 142 | } |
| 143 | |
| 144 | int w_isDown(lua_State *L) |
| 145 | { |
| 146 | bool istable = lua_istable(L, 1); |
| 147 | int num = istable ? (int) luax_objlen(L, 1) : lua_gettop(L); |
| 148 | |
| 149 | std::vector<int> buttons; |
| 150 | buttons.reserve(num); |
| 151 | |
| 152 | if (istable) |
| 153 | { |
| 154 | for (int i = 0; i < num; i++) |
| 155 | { |
| 156 | lua_rawgeti(L, 1, i + 1); |
| 157 | buttons.push_back((int) luaL_checkinteger(L, -1)); |
| 158 | lua_pop(L, 1); |
| 159 | } |
| 160 | } |
| 161 | else |
| 162 | { |
| 163 | for (int i = 0; i < num; i++) |
| 164 | buttons.push_back((int) luaL_checkinteger(L, i + 1)); |
| 165 | } |
| 166 | |
| 167 | luax_pushboolean(L, instance()->isDown(buttons)); |
| 168 | return 1; |
| 169 | } |
| 170 | |
| 171 | int w_setVisible(lua_State *L) |
| 172 | { |
| 173 | bool b = luax_checkboolean(L, 1); |
| 174 | instance()->setVisible(b); |
| 175 | return 0; |
| 176 | } |
| 177 | |
| 178 | int w_isVisible(lua_State *L) |
| 179 | { |
| 180 | luax_pushboolean(L, instance()->isVisible()); |
| 181 | return 1; |
| 182 | } |
| 183 | |
| 184 | int w_setGrabbed(lua_State *L) |
| 185 | { |
| 186 | bool b = luax_checkboolean(L, 1); |
| 187 | instance()->setGrabbed(b); |
| 188 | return 0; |
| 189 | } |
| 190 | |
| 191 | int w_isGrabbed(lua_State *L) |
| 192 | { |
| 193 | luax_pushboolean(L, instance()->isGrabbed()); |
| 194 | return 1; |
| 195 | } |
| 196 | |
| 197 | int w_setRelativeMode(lua_State *L) |
| 198 | { |
| 199 | bool relative = luax_checkboolean(L, 1); |
| 200 | luax_pushboolean(L, instance()->setRelativeMode(relative)); |
| 201 | return 1; |
| 202 | } |
| 203 | |
| 204 | int w_getRelativeMode(lua_State *L) |
| 205 | { |
| 206 | luax_pushboolean(L, instance()->getRelativeMode()); |
| 207 | return 1; |
| 208 | } |
| 209 | |
| 210 | // List of functions to wrap. |
| 211 | static const luaL_Reg functions[] = |
| 212 | { |
| 213 | { "newCursor" , w_newCursor }, |
| 214 | { "getSystemCursor" , w_getSystemCursor }, |
| 215 | { "setCursor" , w_setCursor }, |
| 216 | { "getCursor" , w_getCursor }, |
| 217 | { "isCursorSupported" , w_isCursorSupported }, |
| 218 | { "getX" , w_getX }, |
| 219 | { "getY" , w_getY }, |
| 220 | { "setX" , w_setX }, |
| 221 | { "setY" , w_setY }, |
| 222 | { "setPosition" , w_setPosition }, |
| 223 | { "isDown" , w_isDown }, |
| 224 | { "setVisible" , w_setVisible }, |
| 225 | { "isVisible" , w_isVisible }, |
| 226 | { "getPosition" , w_getPosition }, |
| 227 | { "setGrabbed" , w_setGrabbed }, |
| 228 | { "isGrabbed" , w_isGrabbed }, |
| 229 | { "setRelativeMode" , w_setRelativeMode }, |
| 230 | { "getRelativeMode" , w_getRelativeMode }, |
| 231 | { 0, 0 } |
| 232 | }; |
| 233 | |
| 234 | // Types for this module. |
| 235 | static const lua_CFunction types[] = |
| 236 | { |
| 237 | luaopen_cursor, |
| 238 | 0, |
| 239 | }; |
| 240 | |
| 241 | extern "C" int luaopen_love_mouse(lua_State *L) |
| 242 | { |
| 243 | Mouse *instance = instance(); |
| 244 | if (instance == nullptr) |
| 245 | { |
| 246 | luax_catchexcept(L, [&](){ instance = new love::mouse::sdl::Mouse(); }); |
| 247 | } |
| 248 | else |
| 249 | instance->retain(); |
| 250 | |
| 251 | WrappedModule w; |
| 252 | w.module = instance; |
| 253 | w.name = "mouse" ; |
| 254 | w.type = &Module::type; |
| 255 | w.functions = functions; |
| 256 | w.types = types; |
| 257 | |
| 258 | return luax_register_module(L, w); |
| 259 | } |
| 260 | |
| 261 | } // mouse |
| 262 | } // love |
| 263 | |