| 1 | module glfw_bindings |
| 2 | use, intrinsic :: iso_c_binding |
| 3 | use types |
| 4 | implicit none |
| 5 | public |
| 6 | |
| 7 | ! GLFW constants |
| 8 | integer(c_int), parameter :: GLFW_TRUE = 1 |
| 9 | integer(c_int), parameter :: GLFW_FALSE = 0 |
| 10 | |
| 11 | ! Window hints |
| 12 | integer(c_int), parameter :: GLFW_CONTEXT_VERSION_MAJOR = int(Z'00022002', c_int) |
| 13 | integer(c_int), parameter :: GLFW_CONTEXT_VERSION_MINOR = int(Z'00022003', c_int) |
| 14 | integer(c_int), parameter :: GLFW_OPENGL_PROFILE = int(Z'00022008', c_int) |
| 15 | integer(c_int), parameter :: GLFW_OPENGL_CORE_PROFILE = int(Z'00032001', c_int) |
| 16 | integer(c_int), parameter :: GLFW_OPENGL_FORWARD_COMPAT = int(Z'00022006', c_int) |
| 17 | integer(c_int), parameter :: GLFW_TRANSPARENT_FRAMEBUFFER = int(Z'0002000A', c_int) |
| 18 | |
| 19 | ! Window attributes (for glfwGetWindowAttrib) |
| 20 | integer(c_int), parameter :: GLFW_FOCUSED = int(Z'00020001', c_int) |
| 21 | integer(c_int), parameter :: GLFW_ICONIFIED = int(Z'00020002', c_int) |
| 22 | integer(c_int), parameter :: GLFW_VISIBLE = int(Z'00020004', c_int) |
| 23 | |
| 24 | ! Key constants |
| 25 | integer(c_int), parameter :: GLFW_KEY_ESCAPE = 256 |
| 26 | integer(c_int), parameter :: GLFW_KEY_ENTER = 257 |
| 27 | integer(c_int), parameter :: GLFW_KEY_TAB = 258 |
| 28 | integer(c_int), parameter :: GLFW_KEY_BACKSPACE = 259 |
| 29 | integer(c_int), parameter :: GLFW_KEY_INSERT = 260 |
| 30 | integer(c_int), parameter :: GLFW_KEY_DELETE = 261 |
| 31 | integer(c_int), parameter :: GLFW_KEY_RIGHT = 262 |
| 32 | integer(c_int), parameter :: GLFW_KEY_LEFT = 263 |
| 33 | integer(c_int), parameter :: GLFW_KEY_DOWN = 264 |
| 34 | integer(c_int), parameter :: GLFW_KEY_UP = 265 |
| 35 | integer(c_int), parameter :: GLFW_KEY_PAGE_UP = 266 |
| 36 | integer(c_int), parameter :: GLFW_KEY_PAGE_DOWN = 267 |
| 37 | integer(c_int), parameter :: GLFW_KEY_HOME = 268 |
| 38 | integer(c_int), parameter :: GLFW_KEY_END = 269 |
| 39 | |
| 40 | ! Function keys |
| 41 | integer(c_int), parameter :: GLFW_KEY_F1 = 290 |
| 42 | integer(c_int), parameter :: GLFW_KEY_F2 = 291 |
| 43 | integer(c_int), parameter :: GLFW_KEY_F3 = 292 |
| 44 | integer(c_int), parameter :: GLFW_KEY_F4 = 293 |
| 45 | integer(c_int), parameter :: GLFW_KEY_F5 = 294 |
| 46 | integer(c_int), parameter :: GLFW_KEY_F6 = 295 |
| 47 | integer(c_int), parameter :: GLFW_KEY_F7 = 296 |
| 48 | integer(c_int), parameter :: GLFW_KEY_F8 = 297 |
| 49 | integer(c_int), parameter :: GLFW_KEY_F9 = 298 |
| 50 | integer(c_int), parameter :: GLFW_KEY_F10 = 299 |
| 51 | integer(c_int), parameter :: GLFW_KEY_F11 = 300 |
| 52 | integer(c_int), parameter :: GLFW_KEY_F12 = 301 |
| 53 | |
| 54 | ! Letter keys (for Ctrl combinations) |
| 55 | integer(c_int), parameter :: GLFW_KEY_A = 65 |
| 56 | integer(c_int), parameter :: GLFW_KEY_B = 66 |
| 57 | integer(c_int), parameter :: GLFW_KEY_C = 67 |
| 58 | integer(c_int), parameter :: GLFW_KEY_D = 68 |
| 59 | integer(c_int), parameter :: GLFW_KEY_E = 69 |
| 60 | integer(c_int), parameter :: GLFW_KEY_F = 70 |
| 61 | integer(c_int), parameter :: GLFW_KEY_G = 71 |
| 62 | integer(c_int), parameter :: GLFW_KEY_H = 72 |
| 63 | integer(c_int), parameter :: GLFW_KEY_I = 73 |
| 64 | integer(c_int), parameter :: GLFW_KEY_J = 74 |
| 65 | integer(c_int), parameter :: GLFW_KEY_K = 75 |
| 66 | integer(c_int), parameter :: GLFW_KEY_L = 76 |
| 67 | integer(c_int), parameter :: GLFW_KEY_M = 77 |
| 68 | integer(c_int), parameter :: GLFW_KEY_N = 78 |
| 69 | integer(c_int), parameter :: GLFW_KEY_O = 79 |
| 70 | integer(c_int), parameter :: GLFW_KEY_P = 80 |
| 71 | integer(c_int), parameter :: GLFW_KEY_Q = 81 |
| 72 | integer(c_int), parameter :: GLFW_KEY_R = 82 |
| 73 | integer(c_int), parameter :: GLFW_KEY_S = 83 |
| 74 | integer(c_int), parameter :: GLFW_KEY_T = 84 |
| 75 | integer(c_int), parameter :: GLFW_KEY_U = 85 |
| 76 | integer(c_int), parameter :: GLFW_KEY_V = 86 |
| 77 | integer(c_int), parameter :: GLFW_KEY_W = 87 |
| 78 | integer(c_int), parameter :: GLFW_KEY_X = 88 |
| 79 | integer(c_int), parameter :: GLFW_KEY_Y = 89 |
| 80 | integer(c_int), parameter :: GLFW_KEY_Z = 90 |
| 81 | |
| 82 | ! Number keys |
| 83 | integer(c_int), parameter :: GLFW_KEY_0 = 48 |
| 84 | |
| 85 | ! Symbol keys (for font size adjustment) |
| 86 | integer(c_int), parameter :: GLFW_KEY_MINUS = 45 ! '-' key |
| 87 | integer(c_int), parameter :: GLFW_KEY_EQUAL = 61 ! '=' key |
| 88 | |
| 89 | ! Numpad keys |
| 90 | integer(c_int), parameter :: GLFW_KEY_KP_SUBTRACT = 333 |
| 91 | integer(c_int), parameter :: GLFW_KEY_KP_ADD = 334 |
| 92 | |
| 93 | ! Bracket and backslash keys (for tab/pane keybindings) |
| 94 | integer(c_int), parameter :: GLFW_KEY_LEFT_BRACKET = 91 ! [ |
| 95 | integer(c_int), parameter :: GLFW_KEY_BACKSLASH = 92 ! \ |
| 96 | integer(c_int), parameter :: GLFW_KEY_RIGHT_BRACKET = 93 ! ] |
| 97 | |
| 98 | ! Number keys 1-9 (for tab switching) |
| 99 | integer(c_int), parameter :: GLFW_KEY_1 = 49 |
| 100 | integer(c_int), parameter :: GLFW_KEY_2 = 50 |
| 101 | integer(c_int), parameter :: GLFW_KEY_3 = 51 |
| 102 | integer(c_int), parameter :: GLFW_KEY_4 = 52 |
| 103 | integer(c_int), parameter :: GLFW_KEY_5 = 53 |
| 104 | integer(c_int), parameter :: GLFW_KEY_6 = 54 |
| 105 | integer(c_int), parameter :: GLFW_KEY_7 = 55 |
| 106 | integer(c_int), parameter :: GLFW_KEY_8 = 56 |
| 107 | integer(c_int), parameter :: GLFW_KEY_9 = 57 |
| 108 | |
| 109 | ! Modifier masks |
| 110 | integer(c_int), parameter :: GLFW_MOD_SHIFT = 1 |
| 111 | integer(c_int), parameter :: GLFW_MOD_CONTROL = 2 |
| 112 | integer(c_int), parameter :: GLFW_MOD_ALT = 4 |
| 113 | integer(c_int), parameter :: GLFW_MOD_SUPER = 8 |
| 114 | |
| 115 | ! Action constants |
| 116 | integer(c_int), parameter :: GLFW_RELEASE = 0 |
| 117 | integer(c_int), parameter :: GLFW_PRESS = 1 |
| 118 | integer(c_int), parameter :: GLFW_REPEAT = 2 |
| 119 | |
| 120 | ! Mouse button constants |
| 121 | integer(c_int), parameter :: GLFW_MOUSE_BUTTON_LEFT = 0 |
| 122 | integer(c_int), parameter :: GLFW_MOUSE_BUTTON_RIGHT = 1 |
| 123 | integer(c_int), parameter :: GLFW_MOUSE_BUTTON_MIDDLE = 2 |
| 124 | |
| 125 | ! Callback type for framebuffer size |
| 126 | abstract interface |
| 127 | subroutine glfw_framebuffer_size_callback(window, width, height) bind(C) |
| 128 | import :: c_ptr, c_int |
| 129 | type(c_ptr), value :: window |
| 130 | integer(c_int), value :: width, height |
| 131 | end subroutine glfw_framebuffer_size_callback |
| 132 | |
| 133 | subroutine glfw_key_callback(window, key, scancode, action, mods) bind(C) |
| 134 | import :: c_ptr, c_int |
| 135 | type(c_ptr), value :: window |
| 136 | integer(c_int), value :: key, scancode, action, mods |
| 137 | end subroutine glfw_key_callback |
| 138 | |
| 139 | subroutine glfw_error_callback(error_code, description) bind(C) |
| 140 | import :: c_int, c_ptr |
| 141 | integer(c_int), value :: error_code |
| 142 | type(c_ptr), value :: description |
| 143 | end subroutine glfw_error_callback |
| 144 | |
| 145 | subroutine glfw_char_callback(window, codepoint) bind(C) |
| 146 | import :: c_ptr, c_int |
| 147 | type(c_ptr), value :: window |
| 148 | integer(c_int), value :: codepoint |
| 149 | end subroutine glfw_char_callback |
| 150 | |
| 151 | subroutine glfw_scroll_callback(window, xoffset, yoffset) bind(C) |
| 152 | import :: c_ptr, c_double |
| 153 | type(c_ptr), value :: window |
| 154 | real(c_double), value :: xoffset, yoffset |
| 155 | end subroutine glfw_scroll_callback |
| 156 | |
| 157 | subroutine glfw_mouse_button_callback(window, button, action, mods) bind(C) |
| 158 | import :: c_ptr, c_int |
| 159 | type(c_ptr), value :: window |
| 160 | integer(c_int), value :: button, action, mods |
| 161 | end subroutine glfw_mouse_button_callback |
| 162 | |
| 163 | subroutine glfw_cursor_pos_callback(window, xpos, ypos) bind(C) |
| 164 | import :: c_ptr, c_double |
| 165 | type(c_ptr), value :: window |
| 166 | real(c_double), value :: xpos, ypos |
| 167 | end subroutine glfw_cursor_pos_callback |
| 168 | |
| 169 | subroutine glfw_window_refresh_callback(window) bind(C) |
| 170 | import :: c_ptr |
| 171 | type(c_ptr), value :: window |
| 172 | end subroutine glfw_window_refresh_callback |
| 173 | end interface |
| 174 | |
| 175 | interface |
| 176 | ! int glfwInit(void) |
| 177 | integer(c_int) function glfwInit() bind(C, name="glfwInit") |
| 178 | import :: c_int |
| 179 | end function glfwInit |
| 180 | |
| 181 | ! void glfwTerminate(void) |
| 182 | subroutine glfwTerminate() bind(C, name="glfwTerminate") |
| 183 | end subroutine glfwTerminate |
| 184 | |
| 185 | ! void glfwWindowHint(int hint, int value) |
| 186 | subroutine glfwWindowHint(hint, value) bind(C, name="glfwWindowHint") |
| 187 | import :: c_int |
| 188 | integer(c_int), value :: hint, value |
| 189 | end subroutine glfwWindowHint |
| 190 | |
| 191 | ! GLFWwindow* glfwCreateWindow(int width, int height, const char* title, |
| 192 | ! GLFWmonitor* monitor, GLFWwindow* share) |
| 193 | type(c_ptr) function glfwCreateWindow(width, height, title, monitor, share) & |
| 194 | bind(C, name="glfwCreateWindow") |
| 195 | import :: c_int, c_ptr, c_char |
| 196 | integer(c_int), value :: width, height |
| 197 | character(kind=c_char), intent(in) :: title(*) |
| 198 | type(c_ptr), value :: monitor, share |
| 199 | end function glfwCreateWindow |
| 200 | |
| 201 | ! void glfwDestroyWindow(GLFWwindow* window) |
| 202 | subroutine glfwDestroyWindow(window) bind(C, name="glfwDestroyWindow") |
| 203 | import :: c_ptr |
| 204 | type(c_ptr), value :: window |
| 205 | end subroutine glfwDestroyWindow |
| 206 | |
| 207 | ! void glfwMakeContextCurrent(GLFWwindow* window) |
| 208 | subroutine glfwMakeContextCurrent(window) bind(C, name="glfwMakeContextCurrent") |
| 209 | import :: c_ptr |
| 210 | type(c_ptr), value :: window |
| 211 | end subroutine glfwMakeContextCurrent |
| 212 | |
| 213 | ! int glfwWindowShouldClose(GLFWwindow* window) |
| 214 | integer(c_int) function glfwWindowShouldClose(window) bind(C, name="glfwWindowShouldClose") |
| 215 | import :: c_int, c_ptr |
| 216 | type(c_ptr), value :: window |
| 217 | end function glfwWindowShouldClose |
| 218 | |
| 219 | ! void glfwSetWindowShouldClose(GLFWwindow* window, int value) |
| 220 | subroutine glfwSetWindowShouldClose(window, value) bind(C, name="glfwSetWindowShouldClose") |
| 221 | import :: c_int, c_ptr |
| 222 | type(c_ptr), value :: window |
| 223 | integer(c_int), value :: value |
| 224 | end subroutine glfwSetWindowShouldClose |
| 225 | |
| 226 | ! void glfwSetWindowTitle(GLFWwindow* window, const char* title) |
| 227 | subroutine glfwSetWindowTitle(window, title) bind(C, name="glfwSetWindowTitle") |
| 228 | import :: c_ptr, c_char |
| 229 | type(c_ptr), value :: window |
| 230 | character(kind=c_char), intent(in) :: title(*) |
| 231 | end subroutine glfwSetWindowTitle |
| 232 | |
| 233 | ! void glfwSwapBuffers(GLFWwindow* window) |
| 234 | subroutine glfwSwapBuffers(window) bind(C, name="glfwSwapBuffers") |
| 235 | import :: c_ptr |
| 236 | type(c_ptr), value :: window |
| 237 | end subroutine glfwSwapBuffers |
| 238 | |
| 239 | ! void glfwPollEvents(void) |
| 240 | subroutine glfwPollEvents() bind(C, name="glfwPollEvents") |
| 241 | end subroutine glfwPollEvents |
| 242 | |
| 243 | ! void glfwWaitEventsTimeout(double timeout) |
| 244 | ! Waits for events with timeout in seconds - critical for Wayland compositor |
| 245 | ! responsiveness when window is on inactive workspace |
| 246 | subroutine glfwWaitEventsTimeout(timeout) bind(C, name="glfwWaitEventsTimeout") |
| 247 | import :: c_double |
| 248 | real(c_double), value :: timeout |
| 249 | end subroutine glfwWaitEventsTimeout |
| 250 | |
| 251 | ! double glfwGetTime(void) |
| 252 | real(c_double) function glfwGetTime() bind(C, name="glfwGetTime") |
| 253 | import :: c_double |
| 254 | end function glfwGetTime |
| 255 | |
| 256 | ! void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height) |
| 257 | subroutine glfwGetFramebufferSize(window, width, height) bind(C, name="glfwGetFramebufferSize") |
| 258 | import :: c_int, c_ptr |
| 259 | type(c_ptr), value :: window |
| 260 | integer(c_int), intent(out) :: width, height |
| 261 | end subroutine glfwGetFramebufferSize |
| 262 | |
| 263 | ! void glfwGetWindowSize(GLFWwindow* window, int* width, int* height) |
| 264 | subroutine glfwGetWindowSize(window, width, height) bind(C, name="glfwGetWindowSize") |
| 265 | import :: c_int, c_ptr |
| 266 | type(c_ptr), value :: window |
| 267 | integer(c_int), intent(out) :: width, height |
| 268 | end subroutine glfwGetWindowSize |
| 269 | |
| 270 | ! GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, |
| 271 | ! GLFWframebuffersizefun callback) |
| 272 | type(c_funptr) function glfwSetFramebufferSizeCallback(window, callback) & |
| 273 | bind(C, name="glfwSetFramebufferSizeCallback") |
| 274 | import :: c_ptr, c_funptr |
| 275 | type(c_ptr), value :: window |
| 276 | type(c_funptr), value :: callback |
| 277 | end function glfwSetFramebufferSizeCallback |
| 278 | |
| 279 | ! GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun callback) |
| 280 | type(c_funptr) function glfwSetKeyCallback(window, callback) & |
| 281 | bind(C, name="glfwSetKeyCallback") |
| 282 | import :: c_ptr, c_funptr |
| 283 | type(c_ptr), value :: window |
| 284 | type(c_funptr), value :: callback |
| 285 | end function glfwSetKeyCallback |
| 286 | |
| 287 | ! GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun callback) |
| 288 | type(c_funptr) function glfwSetCharCallback(window, callback) & |
| 289 | bind(C, name="glfwSetCharCallback") |
| 290 | import :: c_ptr, c_funptr |
| 291 | type(c_ptr), value :: window |
| 292 | type(c_funptr), value :: callback |
| 293 | end function glfwSetCharCallback |
| 294 | |
| 295 | ! GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun callback) |
| 296 | type(c_funptr) function glfwSetScrollCallback(window, callback) & |
| 297 | bind(C, name="glfwSetScrollCallback") |
| 298 | import :: c_ptr, c_funptr |
| 299 | type(c_ptr), value :: window |
| 300 | type(c_funptr), value :: callback |
| 301 | end function glfwSetScrollCallback |
| 302 | |
| 303 | ! GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun callback) |
| 304 | type(c_funptr) function glfwSetErrorCallback(callback) & |
| 305 | bind(C, name="glfwSetErrorCallback") |
| 306 | import :: c_funptr |
| 307 | type(c_funptr), value :: callback |
| 308 | end function glfwSetErrorCallback |
| 309 | |
| 310 | ! GLFWglproc glfwGetProcAddress(const char* procname) |
| 311 | type(c_funptr) function glfwGetProcAddress(procname) bind(C, name="glfwGetProcAddress") |
| 312 | import :: c_funptr, c_char |
| 313 | character(kind=c_char), intent(in) :: procname(*) |
| 314 | end function glfwGetProcAddress |
| 315 | |
| 316 | ! GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun callback) |
| 317 | type(c_funptr) function glfwSetMouseButtonCallback(window, callback) & |
| 318 | bind(C, name="glfwSetMouseButtonCallback") |
| 319 | import :: c_ptr, c_funptr |
| 320 | type(c_ptr), value :: window |
| 321 | type(c_funptr), value :: callback |
| 322 | end function glfwSetMouseButtonCallback |
| 323 | |
| 324 | ! GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun callback) |
| 325 | type(c_funptr) function glfwSetCursorPosCallback(window, callback) & |
| 326 | bind(C, name="glfwSetCursorPosCallback") |
| 327 | import :: c_ptr, c_funptr |
| 328 | type(c_ptr), value :: window |
| 329 | type(c_funptr), value :: callback |
| 330 | end function glfwSetCursorPosCallback |
| 331 | |
| 332 | ! void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos) |
| 333 | subroutine glfwGetCursorPos(window, xpos, ypos) bind(C, name="glfwGetCursorPos") |
| 334 | import :: c_ptr, c_double |
| 335 | type(c_ptr), value :: window |
| 336 | real(c_double), intent(out) :: xpos, ypos |
| 337 | end subroutine glfwGetCursorPos |
| 338 | |
| 339 | ! const char* glfwGetClipboardString(GLFWwindow* window) |
| 340 | type(c_ptr) function glfwGetClipboardString(window) bind(C, name="glfwGetClipboardString") |
| 341 | import :: c_ptr |
| 342 | type(c_ptr), value :: window |
| 343 | end function glfwGetClipboardString |
| 344 | |
| 345 | ! void glfwSetClipboardString(GLFWwindow* window, const char* string) |
| 346 | subroutine glfwSetClipboardString(window, string) bind(C, name="glfwSetClipboardString") |
| 347 | import :: c_ptr, c_char |
| 348 | type(c_ptr), value :: window |
| 349 | character(kind=c_char), intent(in) :: string(*) |
| 350 | end subroutine glfwSetClipboardString |
| 351 | |
| 352 | ! GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun callback) |
| 353 | type(c_funptr) function glfwSetWindowRefreshCallback(window, callback) & |
| 354 | bind(C, name="glfwSetWindowRefreshCallback") |
| 355 | import :: c_ptr, c_funptr |
| 356 | type(c_ptr), value :: window |
| 357 | type(c_funptr), value :: callback |
| 358 | end function glfwSetWindowRefreshCallback |
| 359 | |
| 360 | ! int glfwGetWindowAttrib(GLFWwindow* window, int attrib) |
| 361 | integer(c_int) function glfwGetWindowAttrib(window, attrib) & |
| 362 | bind(C, name="glfwGetWindowAttrib") |
| 363 | import :: c_ptr, c_int |
| 364 | type(c_ptr), value :: window |
| 365 | integer(c_int), value :: attrib |
| 366 | end function glfwGetWindowAttrib |
| 367 | end interface |
| 368 | |
| 369 | end module glfw_bindings |
| 370 |