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Diffstat (limited to 'raylib/external/glfw/src/input.c')
| -rw-r--r-- | raylib/external/glfw/src/input.c | 1500 |
1 files changed, 0 insertions, 1500 deletions
diff --git a/raylib/external/glfw/src/input.c b/raylib/external/glfw/src/input.c deleted file mode 100644 index 36128e1..0000000 --- a/raylib/external/glfw/src/input.c +++ /dev/null @@ -1,1500 +0,0 @@ -//======================================================================== -// GLFW 3.4 - www.glfw.org -//------------------------------------------------------------------------ -// Copyright (c) 2002-2006 Marcus Geelnard -// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org> -// -// This software is provided 'as-is', without any express or implied -// warranty. In no event will the authors be held liable for any damages -// arising from the use of this software. -// -// Permission is granted to anyone to use this software for any purpose, -// including commercial applications, and to alter it and redistribute it -// freely, subject to the following restrictions: -// -// 1. The origin of this software must not be misrepresented; you must not -// claim that you wrote the original software. If you use this software -// in a product, an acknowledgment in the product documentation would -// be appreciated but is not required. -// -// 2. Altered source versions must be plainly marked as such, and must not -// be misrepresented as being the original software. -// -// 3. This notice may not be removed or altered from any source -// distribution. -// -//======================================================================== -// Please use C89 style variable declarations in this file because VS 2010 -//======================================================================== - -#include "internal.h" -#include "mappings.h" - -#include <assert.h> -#include <float.h> -#include <math.h> -#include <stdlib.h> -#include <string.h> - -// Internal key state used for sticky keys -#define _GLFW_STICK 3 - -// Internal constants for gamepad mapping source types -#define _GLFW_JOYSTICK_AXIS 1 -#define _GLFW_JOYSTICK_BUTTON 2 -#define _GLFW_JOYSTICK_HATBIT 3 - -#define GLFW_MOD_MASK (GLFW_MOD_SHIFT | \ - GLFW_MOD_CONTROL | \ - GLFW_MOD_ALT | \ - GLFW_MOD_SUPER | \ - GLFW_MOD_CAPS_LOCK | \ - GLFW_MOD_NUM_LOCK) - -// Initializes the platform joystick API if it has not been already -// -static GLFWbool initJoysticks(void) -{ - if (!_glfw.joysticksInitialized) - { - if (!_glfw.platform.initJoysticks()) - { - _glfw.platform.terminateJoysticks(); - return GLFW_FALSE; - } - } - - return _glfw.joysticksInitialized = GLFW_TRUE; -} - -// Finds a mapping based on joystick GUID -// -static _GLFWmapping* findMapping(const char* guid) -{ - int i; - - for (i = 0; i < _glfw.mappingCount; i++) - { - if (strcmp(_glfw.mappings[i].guid, guid) == 0) - return _glfw.mappings + i; - } - - return NULL; -} - -// Checks whether a gamepad mapping element is present in the hardware -// -static GLFWbool isValidElementForJoystick(const _GLFWmapelement* e, - const _GLFWjoystick* js) -{ - if (e->type == _GLFW_JOYSTICK_HATBIT && (e->index >> 4) >= js->hatCount) - return GLFW_FALSE; - else if (e->type == _GLFW_JOYSTICK_BUTTON && e->index >= js->buttonCount) - return GLFW_FALSE; - else if (e->type == _GLFW_JOYSTICK_AXIS && e->index >= js->axisCount) - return GLFW_FALSE; - - return GLFW_TRUE; -} - -// Finds a mapping based on joystick GUID and verifies element indices -// -static _GLFWmapping* findValidMapping(const _GLFWjoystick* js) -{ - _GLFWmapping* mapping = findMapping(js->guid); - if (mapping) - { - int i; - - for (i = 0; i <= GLFW_GAMEPAD_BUTTON_LAST; i++) - { - if (!isValidElementForJoystick(mapping->buttons + i, js)) - return NULL; - } - - for (i = 0; i <= GLFW_GAMEPAD_AXIS_LAST; i++) - { - if (!isValidElementForJoystick(mapping->axes + i, js)) - return NULL; - } - } - - return mapping; -} - -// Parses an SDL_GameControllerDB line and adds it to the mapping list -// -static GLFWbool parseMapping(_GLFWmapping* mapping, const char* string) -{ - const char* c = string; - size_t i, length; - struct - { - const char* name; - _GLFWmapelement* element; - } fields[] = - { - { "platform", NULL }, - { "a", mapping->buttons + GLFW_GAMEPAD_BUTTON_A }, - { "b", mapping->buttons + GLFW_GAMEPAD_BUTTON_B }, - { "x", mapping->buttons + GLFW_GAMEPAD_BUTTON_X }, - { "y", mapping->buttons + GLFW_GAMEPAD_BUTTON_Y }, - { "back", mapping->buttons + GLFW_GAMEPAD_BUTTON_BACK }, - { "start", mapping->buttons + GLFW_GAMEPAD_BUTTON_START }, - { "guide", mapping->buttons + GLFW_GAMEPAD_BUTTON_GUIDE }, - { "leftshoulder", mapping->buttons + GLFW_GAMEPAD_BUTTON_LEFT_BUMPER }, - { "rightshoulder", mapping->buttons + GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER }, - { "leftstick", mapping->buttons + GLFW_GAMEPAD_BUTTON_LEFT_THUMB }, - { "rightstick", mapping->buttons + GLFW_GAMEPAD_BUTTON_RIGHT_THUMB }, - { "dpup", mapping->buttons + GLFW_GAMEPAD_BUTTON_DPAD_UP }, - { "dpright", mapping->buttons + GLFW_GAMEPAD_BUTTON_DPAD_RIGHT }, - { "dpdown", mapping->buttons + GLFW_GAMEPAD_BUTTON_DPAD_DOWN }, - { "dpleft", mapping->buttons + GLFW_GAMEPAD_BUTTON_DPAD_LEFT }, - { "lefttrigger", mapping->axes + GLFW_GAMEPAD_AXIS_LEFT_TRIGGER }, - { "righttrigger", mapping->axes + GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER }, - { "leftx", mapping->axes + GLFW_GAMEPAD_AXIS_LEFT_X }, - { "lefty", mapping->axes + GLFW_GAMEPAD_AXIS_LEFT_Y }, - { "rightx", mapping->axes + GLFW_GAMEPAD_AXIS_RIGHT_X }, - { "righty", mapping->axes + GLFW_GAMEPAD_AXIS_RIGHT_Y } - }; - - length = strcspn(c, ","); - if (length != 32 || c[length] != ',') - { - _glfwInputError(GLFW_INVALID_VALUE, NULL); - return GLFW_FALSE; - } - - memcpy(mapping->guid, c, length); - c += length + 1; - - length = strcspn(c, ","); - if (length >= sizeof(mapping->name) || c[length] != ',') - { - _glfwInputError(GLFW_INVALID_VALUE, NULL); - return GLFW_FALSE; - } - - memcpy(mapping->name, c, length); - c += length + 1; - - while (*c) - { - // TODO: Implement output modifiers - if (*c == '+' || *c == '-') - return GLFW_FALSE; - - for (i = 0; i < sizeof(fields) / sizeof(fields[0]); i++) - { - length = strlen(fields[i].name); - if (strncmp(c, fields[i].name, length) != 0 || c[length] != ':') - continue; - - c += length + 1; - - if (fields[i].element) - { - _GLFWmapelement* e = fields[i].element; - int8_t minimum = -1; - int8_t maximum = 1; - - if (*c == '+') - { - minimum = 0; - c += 1; - } - else if (*c == '-') - { - maximum = 0; - c += 1; - } - - if (*c == 'a') - e->type = _GLFW_JOYSTICK_AXIS; - else if (*c == 'b') - e->type = _GLFW_JOYSTICK_BUTTON; - else if (*c == 'h') - e->type = _GLFW_JOYSTICK_HATBIT; - else - break; - - if (e->type == _GLFW_JOYSTICK_HATBIT) - { - const unsigned long hat = strtoul(c + 1, (char**) &c, 10); - const unsigned long bit = strtoul(c + 1, (char**) &c, 10); - e->index = (uint8_t) ((hat << 4) | bit); - } - else - e->index = (uint8_t) strtoul(c + 1, (char**) &c, 10); - - if (e->type == _GLFW_JOYSTICK_AXIS) - { - e->axisScale = 2 / (maximum - minimum); - e->axisOffset = -(maximum + minimum); - - if (*c == '~') - { - e->axisScale = -e->axisScale; - e->axisOffset = -e->axisOffset; - } - } - } - else - { - const char* name = _glfw.platform.getMappingName(); - length = strlen(name); - if (strncmp(c, name, length) != 0) - return GLFW_FALSE; - } - - break; - } - - c += strcspn(c, ","); - c += strspn(c, ","); - } - - for (i = 0; i < 32; i++) - { - if (mapping->guid[i] >= 'A' && mapping->guid[i] <= 'F') - mapping->guid[i] += 'a' - 'A'; - } - - _glfw.platform.updateGamepadGUID(mapping->guid); - return GLFW_TRUE; -} - - -////////////////////////////////////////////////////////////////////////// -////// GLFW event API ////// -////////////////////////////////////////////////////////////////////////// - -// Notifies shared code of a physical key event -// -void _glfwInputKey(_GLFWwindow* window, int key, int scancode, int action, int mods) -{ - assert(window != NULL); - assert(key >= 0 || key == GLFW_KEY_UNKNOWN); - assert(key <= GLFW_KEY_LAST); - assert(action == GLFW_PRESS || action == GLFW_RELEASE); - assert(mods == (mods & GLFW_MOD_MASK)); - - if (key >= 0 && key <= GLFW_KEY_LAST) - { - GLFWbool repeated = GLFW_FALSE; - - if (action == GLFW_RELEASE && window->keys[key] == GLFW_RELEASE) - return; - - if (action == GLFW_PRESS && window->keys[key] == GLFW_PRESS) - repeated = GLFW_TRUE; - - if (action == GLFW_RELEASE && window->stickyKeys) - window->keys[key] = _GLFW_STICK; - else - window->keys[key] = (char) action; - - if (repeated) - action = GLFW_REPEAT; - } - - if (!window->lockKeyMods) - mods &= ~(GLFW_MOD_CAPS_LOCK | GLFW_MOD_NUM_LOCK); - - if (window->callbacks.key) - window->callbacks.key((GLFWwindow*) window, key, scancode, action, mods); -} - -// Notifies shared code of a Unicode codepoint input event -// The 'plain' parameter determines whether to emit a regular character event -// -void _glfwInputChar(_GLFWwindow* window, uint32_t codepoint, int mods, GLFWbool plain) -{ - assert(window != NULL); - assert(mods == (mods & GLFW_MOD_MASK)); - assert(plain == GLFW_TRUE || plain == GLFW_FALSE); - - if (codepoint < 32 || (codepoint > 126 && codepoint < 160)) - return; - - if (!window->lockKeyMods) - mods &= ~(GLFW_MOD_CAPS_LOCK | GLFW_MOD_NUM_LOCK); - - if (window->callbacks.charmods) - window->callbacks.charmods((GLFWwindow*) window, codepoint, mods); - - if (plain) - { - if (window->callbacks.character) - window->callbacks.character((GLFWwindow*) window, codepoint); - } -} - -// Notifies shared code of a scroll event -// -void _glfwInputScroll(_GLFWwindow* window, double xoffset, double yoffset) -{ - assert(window != NULL); - assert(xoffset > -FLT_MAX); - assert(xoffset < FLT_MAX); - assert(yoffset > -FLT_MAX); - assert(yoffset < FLT_MAX); - - if (window->callbacks.scroll) - window->callbacks.scroll((GLFWwindow*) window, xoffset, yoffset); -} - -// Notifies shared code of a mouse button click event -// -void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods) -{ - assert(window != NULL); - assert(button >= 0); - assert(button <= GLFW_MOUSE_BUTTON_LAST); - assert(action == GLFW_PRESS || action == GLFW_RELEASE); - assert(mods == (mods & GLFW_MOD_MASK)); - - if (button < 0 || button > GLFW_MOUSE_BUTTON_LAST) - return; - - if (!window->lockKeyMods) - mods &= ~(GLFW_MOD_CAPS_LOCK | GLFW_MOD_NUM_LOCK); - - if (action == GLFW_RELEASE && window->stickyMouseButtons) - window->mouseButtons[button] = _GLFW_STICK; - else - window->mouseButtons[button] = (char) action; - - if (window->callbacks.mouseButton) - window->callbacks.mouseButton((GLFWwindow*) window, button, action, mods); -} - -// Notifies shared code of a cursor motion event -// The position is specified in content area relative screen coordinates -// -void _glfwInputCursorPos(_GLFWwindow* window, double xpos, double ypos) -{ - assert(window != NULL); - assert(xpos > -FLT_MAX); - assert(xpos < FLT_MAX); - assert(ypos > -FLT_MAX); - assert(ypos < FLT_MAX); - - if (window->virtualCursorPosX == xpos && window->virtualCursorPosY == ypos) - return; - - window->virtualCursorPosX = xpos; - window->virtualCursorPosY = ypos; - - if (window->callbacks.cursorPos) - window->callbacks.cursorPos((GLFWwindow*) window, xpos, ypos); -} - -// Notifies shared code of a cursor enter/leave event -// -void _glfwInputCursorEnter(_GLFWwindow* window, GLFWbool entered) -{ - assert(window != NULL); - assert(entered == GLFW_TRUE || entered == GLFW_FALSE); - - if (window->callbacks.cursorEnter) - window->callbacks.cursorEnter((GLFWwindow*) window, entered); -} - -// Notifies shared code of files or directories dropped on a window -// -void _glfwInputDrop(_GLFWwindow* window, int count, const char** paths) -{ - assert(window != NULL); - assert(count > 0); - assert(paths != NULL); - - if (window->callbacks.drop) - window->callbacks.drop((GLFWwindow*) window, count, paths); -} - -// Notifies shared code of a joystick connection or disconnection -// -void _glfwInputJoystick(_GLFWjoystick* js, int event) -{ - assert(js != NULL); - assert(event == GLFW_CONNECTED || event == GLFW_DISCONNECTED); - - if (event == GLFW_CONNECTED) - js->connected = GLFW_TRUE; - else if (event == GLFW_DISCONNECTED) - js->connected = GLFW_FALSE; - - if (_glfw.callbacks.joystick) - _glfw.callbacks.joystick((int) (js - _glfw.joysticks), event); -} - -// Notifies shared code of the new value of a joystick axis -// -void _glfwInputJoystickAxis(_GLFWjoystick* js, int axis, float value) -{ - assert(js != NULL); - assert(axis >= 0); - assert(axis < js->axisCount); - - js->axes[axis] = value; -} - -// Notifies shared code of the new value of a joystick button -// -void _glfwInputJoystickButton(_GLFWjoystick* js, int button, char value) -{ - assert(js != NULL); - assert(button >= 0); - assert(button < js->buttonCount); - assert(value == GLFW_PRESS || value == GLFW_RELEASE); - - js->buttons[button] = value; -} - -// Notifies shared code of the new value of a joystick hat -// -void _glfwInputJoystickHat(_GLFWjoystick* js, int hat, char value) -{ - int base; - - assert(js != NULL); - assert(hat >= 0); - assert(hat < js->hatCount); - - // Valid hat values only use the least significant nibble and have at most two bits - // set, which can be considered adjacent plus an arbitrary rotation within the nibble - assert((value & 0xf0) == 0); - assert((value & ((value << 2) | (value >> 2))) == 0); - - base = js->buttonCount + hat * 4; - - js->buttons[base + 0] = (value & 0x01) ? GLFW_PRESS : GLFW_RELEASE; - js->buttons[base + 1] = (value & 0x02) ? GLFW_PRESS : GLFW_RELEASE; - js->buttons[base + 2] = (value & 0x04) ? GLFW_PRESS : GLFW_RELEASE; - js->buttons[base + 3] = (value & 0x08) ? GLFW_PRESS : GLFW_RELEASE; - - js->hats[hat] = value; -} - - -////////////////////////////////////////////////////////////////////////// -////// GLFW internal API ////// -////////////////////////////////////////////////////////////////////////// - -// Adds the built-in set of gamepad mappings -// -void _glfwInitGamepadMappings(void) -{ - size_t i; - const size_t count = sizeof(_glfwDefaultMappings) / sizeof(char*); - _glfw.mappings = _glfw_calloc(count, sizeof(_GLFWmapping)); - - for (i = 0; i < count; i++) - { - if (parseMapping(&_glfw.mappings[_glfw.mappingCount], _glfwDefaultMappings[i])) - _glfw.mappingCount++; - } -} - -// Returns an available joystick object with arrays and name allocated -// -_GLFWjoystick* _glfwAllocJoystick(const char* name, - const char* guid, - int axisCount, - int buttonCount, - int hatCount) -{ - int jid; - _GLFWjoystick* js; - - for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++) - { - if (!_glfw.joysticks[jid].allocated) - break; - } - - if (jid > GLFW_JOYSTICK_LAST) - return NULL; - - js = _glfw.joysticks + jid; - js->allocated = GLFW_TRUE; - js->axes = _glfw_calloc(axisCount, sizeof(float)); - js->buttons = _glfw_calloc(buttonCount + (size_t) hatCount * 4, 1); - js->hats = _glfw_calloc(hatCount, 1); - js->axisCount = axisCount; - js->buttonCount = buttonCount; - js->hatCount = hatCount; - - strncpy(js->name, name, sizeof(js->name) - 1); - strncpy(js->guid, guid, sizeof(js->guid) - 1); - js->mapping = findValidMapping(js); - - return js; -} - -// Frees arrays and name and flags the joystick object as unused -// -void _glfwFreeJoystick(_GLFWjoystick* js) -{ - _glfw_free(js->axes); - _glfw_free(js->buttons); - _glfw_free(js->hats); - memset(js, 0, sizeof(_GLFWjoystick)); -} - -// Center the cursor in the content area of the specified window -// -void _glfwCenterCursorInContentArea(_GLFWwindow* window) -{ - int width, height; - - _glfw.platform.getWindowSize(window, &width, &height); - _glfw.platform.setCursorPos(window, width / 2.0, height / 2.0); -} - - -////////////////////////////////////////////////////////////////////////// -////// GLFW public API ////// -////////////////////////////////////////////////////////////////////////// - -GLFWAPI int glfwGetInputMode(GLFWwindow* handle, int mode) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(0); - - switch (mode) - { - case GLFW_CURSOR: - return window->cursorMode; - case GLFW_STICKY_KEYS: - return window->stickyKeys; - case GLFW_STICKY_MOUSE_BUTTONS: - return window->stickyMouseButtons; - case GLFW_LOCK_KEY_MODS: - return window->lockKeyMods; - case GLFW_RAW_MOUSE_MOTION: - return window->rawMouseMotion; - } - - _glfwInputError(GLFW_INVALID_ENUM, "Invalid input mode 0x%08X", mode); - return 0; -} - -GLFWAPI void glfwSetInputMode(GLFWwindow* handle, int mode, int value) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT(); - - switch (mode) - { - case GLFW_CURSOR: - { - if (value != GLFW_CURSOR_NORMAL && - value != GLFW_CURSOR_HIDDEN && - value != GLFW_CURSOR_DISABLED && - value != GLFW_CURSOR_CAPTURED) - { - _glfwInputError(GLFW_INVALID_ENUM, - "Invalid cursor mode 0x%08X", - value); - return; - } - - if (window->cursorMode == value) - return; - - window->cursorMode = value; - - _glfw.platform.getCursorPos(window, - &window->virtualCursorPosX, - &window->virtualCursorPosY); - _glfw.platform.setCursorMode(window, value); - return; - } - - case GLFW_STICKY_KEYS: - { - value = value ? GLFW_TRUE : GLFW_FALSE; - if (window->stickyKeys == value) - return; - - if (!value) - { - int i; - - // Release all sticky keys - for (i = 0; i <= GLFW_KEY_LAST; i++) - { - if (window->keys[i] == _GLFW_STICK) - window->keys[i] = GLFW_RELEASE; - } - } - - window->stickyKeys = value; - return; - } - - case GLFW_STICKY_MOUSE_BUTTONS: - { - value = value ? GLFW_TRUE : GLFW_FALSE; - if (window->stickyMouseButtons == value) - return; - - if (!value) - { - int i; - - // Release all sticky mouse buttons - for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++) - { - if (window->mouseButtons[i] == _GLFW_STICK) - window->mouseButtons[i] = GLFW_RELEASE; - } - } - - window->stickyMouseButtons = value; - return; - } - - case GLFW_LOCK_KEY_MODS: - { - window->lockKeyMods = value ? GLFW_TRUE : GLFW_FALSE; - return; - } - - case GLFW_RAW_MOUSE_MOTION: - { - if (!_glfw.platform.rawMouseMotionSupported()) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "Raw mouse motion is not supported on this system"); - return; - } - - value = value ? GLFW_TRUE : GLFW_FALSE; - if (window->rawMouseMotion == value) - return; - - window->rawMouseMotion = value; - _glfw.platform.setRawMouseMotion(window, value); - return; - } - } - - _glfwInputError(GLFW_INVALID_ENUM, "Invalid input mode 0x%08X", mode); -} - -GLFWAPI int glfwRawMouseMotionSupported(void) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE); - return _glfw.platform.rawMouseMotionSupported(); -} - -GLFWAPI const char* glfwGetKeyName(int key, int scancode) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (key != GLFW_KEY_UNKNOWN) - { - if (key != GLFW_KEY_KP_EQUAL && - (key < GLFW_KEY_KP_0 || key > GLFW_KEY_KP_ADD) && - (key < GLFW_KEY_APOSTROPHE || key > GLFW_KEY_WORLD_2)) - { - return NULL; - } - - scancode = _glfw.platform.getKeyScancode(key); - } - - return _glfw.platform.getScancodeName(scancode); -} - -GLFWAPI int glfwGetKeyScancode(int key) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(-1); - - if (key < GLFW_KEY_SPACE || key > GLFW_KEY_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid key %i", key); - return GLFW_RELEASE; - } - - return _glfw.platform.getKeyScancode(key); -} - -GLFWAPI int glfwGetKey(GLFWwindow* handle, int key) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE); - - if (key < GLFW_KEY_SPACE || key > GLFW_KEY_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid key %i", key); - return GLFW_RELEASE; - } - - if (window->keys[key] == _GLFW_STICK) - { - // Sticky mode: release key now - window->keys[key] = GLFW_RELEASE; - return GLFW_PRESS; - } - - return (int) window->keys[key]; -} - -GLFWAPI int glfwGetMouseButton(GLFWwindow* handle, int button) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE); - - if (button < GLFW_MOUSE_BUTTON_1 || button > GLFW_MOUSE_BUTTON_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid mouse button %i", button); - return GLFW_RELEASE; - } - - if (window->mouseButtons[button] == _GLFW_STICK) - { - // Sticky mode: release mouse button now - window->mouseButtons[button] = GLFW_RELEASE; - return GLFW_PRESS; - } - - return (int) window->mouseButtons[button]; -} - -GLFWAPI void glfwGetCursorPos(GLFWwindow* handle, double* xpos, double* ypos) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - if (xpos) - *xpos = 0; - if (ypos) - *ypos = 0; - - _GLFW_REQUIRE_INIT(); - - if (window->cursorMode == GLFW_CURSOR_DISABLED) - { - if (xpos) - *xpos = window->virtualCursorPosX; - if (ypos) - *ypos = window->virtualCursorPosY; - } - else - _glfw.platform.getCursorPos(window, xpos, ypos); -} - -GLFWAPI void glfwSetCursorPos(GLFWwindow* handle, double xpos, double ypos) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT(); - - if (xpos != xpos || xpos < -DBL_MAX || xpos > DBL_MAX || - ypos != ypos || ypos < -DBL_MAX || ypos > DBL_MAX) - { - _glfwInputError(GLFW_INVALID_VALUE, - "Invalid cursor position %f %f", - xpos, ypos); - return; - } - - if (!_glfw.platform.windowFocused(window)) - return; - - if (window->cursorMode == GLFW_CURSOR_DISABLED) - { - // Only update the accumulated position if the cursor is disabled - window->virtualCursorPosX = xpos; - window->virtualCursorPosY = ypos; - } - else - { - // Update system cursor position - _glfw.platform.setCursorPos(window, xpos, ypos); - } -} - -GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot) -{ - _GLFWcursor* cursor; - - assert(image != NULL); - assert(image->pixels != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (image->width <= 0 || image->height <= 0) - { - _glfwInputError(GLFW_INVALID_VALUE, "Invalid image dimensions for cursor"); - return NULL; - } - - cursor = _glfw_calloc(1, sizeof(_GLFWcursor)); - cursor->next = _glfw.cursorListHead; - _glfw.cursorListHead = cursor; - - if (!_glfw.platform.createCursor(cursor, image, xhot, yhot)) - { - glfwDestroyCursor((GLFWcursor*) cursor); - return NULL; - } - - return (GLFWcursor*) cursor; -} - -GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape) -{ - _GLFWcursor* cursor; - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (shape != GLFW_ARROW_CURSOR && - shape != GLFW_IBEAM_CURSOR && - shape != GLFW_CROSSHAIR_CURSOR && - shape != GLFW_POINTING_HAND_CURSOR && - shape != GLFW_RESIZE_EW_CURSOR && - shape != GLFW_RESIZE_NS_CURSOR && - shape != GLFW_RESIZE_NWSE_CURSOR && - shape != GLFW_RESIZE_NESW_CURSOR && - shape != GLFW_RESIZE_ALL_CURSOR && - shape != GLFW_NOT_ALLOWED_CURSOR) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid standard cursor 0x%08X", shape); - return NULL; - } - - cursor = _glfw_calloc(1, sizeof(_GLFWcursor)); - cursor->next = _glfw.cursorListHead; - _glfw.cursorListHead = cursor; - - if (!_glfw.platform.createStandardCursor(cursor, shape)) - { - glfwDestroyCursor((GLFWcursor*) cursor); - return NULL; - } - - return (GLFWcursor*) cursor; -} - -GLFWAPI void glfwDestroyCursor(GLFWcursor* handle) -{ - _GLFWcursor* cursor = (_GLFWcursor*) handle; - - _GLFW_REQUIRE_INIT(); - - if (cursor == NULL) - return; - - // Make sure the cursor is not being used by any window - { - _GLFWwindow* window; - - for (window = _glfw.windowListHead; window; window = window->next) - { - if (window->cursor == cursor) - glfwSetCursor((GLFWwindow*) window, NULL); - } - } - - _glfw.platform.destroyCursor(cursor); - - // Unlink cursor from global linked list - { - _GLFWcursor** prev = &_glfw.cursorListHead; - - while (*prev != cursor) - prev = &((*prev)->next); - - *prev = cursor->next; - } - - _glfw_free(cursor); -} - -GLFWAPI void glfwSetCursor(GLFWwindow* windowHandle, GLFWcursor* cursorHandle) -{ - _GLFWwindow* window = (_GLFWwindow*) windowHandle; - _GLFWcursor* cursor = (_GLFWcursor*) cursorHandle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT(); - - window->cursor = cursor; - - _glfw.platform.setCursor(window, cursor); -} - -GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* handle, GLFWkeyfun cbfun) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - _GLFW_SWAP(GLFWkeyfun, window->callbacks.key, cbfun); - return cbfun; -} - -GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* handle, GLFWcharfun cbfun) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - _GLFW_SWAP(GLFWcharfun, window->callbacks.character, cbfun); - return cbfun; -} - -GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* handle, GLFWcharmodsfun cbfun) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - _GLFW_SWAP(GLFWcharmodsfun, window->callbacks.charmods, cbfun); - return cbfun; -} - -GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* handle, - GLFWmousebuttonfun cbfun) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - _GLFW_SWAP(GLFWmousebuttonfun, window->callbacks.mouseButton, cbfun); - return cbfun; -} - -GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* handle, - GLFWcursorposfun cbfun) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - _GLFW_SWAP(GLFWcursorposfun, window->callbacks.cursorPos, cbfun); - return cbfun; -} - -GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* handle, - GLFWcursorenterfun cbfun) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - _GLFW_SWAP(GLFWcursorenterfun, window->callbacks.cursorEnter, cbfun); - return cbfun; -} - -GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* handle, - GLFWscrollfun cbfun) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - _GLFW_SWAP(GLFWscrollfun, window->callbacks.scroll, cbfun); - return cbfun; -} - -GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* handle, GLFWdropfun cbfun) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - _GLFW_SWAP(GLFWdropfun, window->callbacks.drop, cbfun); - return cbfun; -} - -GLFWAPI int glfwJoystickPresent(int jid) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return GLFW_FALSE; - } - - if (!initJoysticks()) - return GLFW_FALSE; - - js = _glfw.joysticks + jid; - if (!js->connected) - return GLFW_FALSE; - - return _glfw.platform.pollJoystick(js, _GLFW_POLL_PRESENCE); -} - -GLFWAPI const float* glfwGetJoystickAxes(int jid, int* count) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - assert(count != NULL); - - *count = 0; - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return NULL; - } - - if (!initJoysticks()) - return NULL; - - js = _glfw.joysticks + jid; - if (!js->connected) - return NULL; - - if (!_glfw.platform.pollJoystick(js, _GLFW_POLL_AXES)) - return NULL; - - *count = js->axisCount; - return js->axes; -} - -GLFWAPI const unsigned char* glfwGetJoystickButtons(int jid, int* count) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - assert(count != NULL); - - *count = 0; - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return NULL; - } - - if (!initJoysticks()) - return NULL; - - js = _glfw.joysticks + jid; - if (!js->connected) - return NULL; - - if (!_glfw.platform.pollJoystick(js, _GLFW_POLL_BUTTONS)) - return NULL; - - if (_glfw.hints.init.hatButtons) - *count = js->buttonCount + js->hatCount * 4; - else - *count = js->buttonCount; - - return js->buttons; -} - -GLFWAPI const unsigned char* glfwGetJoystickHats(int jid, int* count) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - assert(count != NULL); - - *count = 0; - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return NULL; - } - - if (!initJoysticks()) - return NULL; - - js = _glfw.joysticks + jid; - if (!js->connected) - return NULL; - - if (!_glfw.platform.pollJoystick(js, _GLFW_POLL_BUTTONS)) - return NULL; - - *count = js->hatCount; - return js->hats; -} - -GLFWAPI const char* glfwGetJoystickName(int jid) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return NULL; - } - - if (!initJoysticks()) - return NULL; - - js = _glfw.joysticks + jid; - if (!js->connected) - return NULL; - - if (!_glfw.platform.pollJoystick(js, _GLFW_POLL_PRESENCE)) - return NULL; - - return js->name; -} - -GLFWAPI const char* glfwGetJoystickGUID(int jid) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return NULL; - } - - if (!initJoysticks()) - return NULL; - - js = _glfw.joysticks + jid; - if (!js->connected) - return NULL; - - if (!_glfw.platform.pollJoystick(js, _GLFW_POLL_PRESENCE)) - return NULL; - - return js->guid; -} - -GLFWAPI void glfwSetJoystickUserPointer(int jid, void* pointer) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - - _GLFW_REQUIRE_INIT(); - - js = _glfw.joysticks + jid; - if (!js->allocated) - return; - - js->userPointer = pointer; -} - -GLFWAPI void* glfwGetJoystickUserPointer(int jid) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - js = _glfw.joysticks + jid; - if (!js->allocated) - return NULL; - - return js->userPointer; -} - -GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun cbfun) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (!initJoysticks()) - return NULL; - - _GLFW_SWAP(GLFWjoystickfun, _glfw.callbacks.joystick, cbfun); - return cbfun; -} - -GLFWAPI int glfwUpdateGamepadMappings(const char* string) -{ - int jid; - const char* c = string; - - assert(string != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE); - - while (*c) - { - if ((*c >= '0' && *c <= '9') || - (*c >= 'a' && *c <= 'f') || - (*c >= 'A' && *c <= 'F')) - { - char line[1024]; - - const size_t length = strcspn(c, "\r\n"); - if (length < sizeof(line)) - { - _GLFWmapping mapping = {{0}}; - - memcpy(line, c, length); - line[length] = '\0'; - - if (parseMapping(&mapping, line)) - { - _GLFWmapping* previous = findMapping(mapping.guid); - if (previous) - *previous = mapping; - else - { - _glfw.mappingCount++; - _glfw.mappings = - _glfw_realloc(_glfw.mappings, - sizeof(_GLFWmapping) * _glfw.mappingCount); - _glfw.mappings[_glfw.mappingCount - 1] = mapping; - } - } - } - - c += length; - } - else - { - c += strcspn(c, "\r\n"); - c += strspn(c, "\r\n"); - } - } - - for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++) - { - _GLFWjoystick* js = _glfw.joysticks + jid; - if (js->connected) - js->mapping = findValidMapping(js); - } - - return GLFW_TRUE; -} - -GLFWAPI int glfwJoystickIsGamepad(int jid) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return GLFW_FALSE; - } - - if (!initJoysticks()) - return GLFW_FALSE; - - js = _glfw.joysticks + jid; - if (!js->connected) - return GLFW_FALSE; - - if (!_glfw.platform.pollJoystick(js, _GLFW_POLL_PRESENCE)) - return GLFW_FALSE; - - return js->mapping != NULL; -} - -GLFWAPI const char* glfwGetGamepadName(int jid) -{ - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return NULL; - } - - if (!initJoysticks()) - return NULL; - - js = _glfw.joysticks + jid; - if (!js->connected) - return NULL; - - if (!_glfw.platform.pollJoystick(js, _GLFW_POLL_PRESENCE)) - return NULL; - - if (!js->mapping) - return NULL; - - return js->mapping->name; -} - -GLFWAPI int glfwGetGamepadState(int jid, GLFWgamepadstate* state) -{ - int i; - _GLFWjoystick* js; - - assert(jid >= GLFW_JOYSTICK_1); - assert(jid <= GLFW_JOYSTICK_LAST); - assert(state != NULL); - - memset(state, 0, sizeof(GLFWgamepadstate)); - - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE); - - if (jid < 0 || jid > GLFW_JOYSTICK_LAST) - { - _glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick ID %i", jid); - return GLFW_FALSE; - } - - if (!initJoysticks()) - return GLFW_FALSE; - - js = _glfw.joysticks + jid; - if (!js->connected) - return GLFW_FALSE; - - if (!_glfw.platform.pollJoystick(js, _GLFW_POLL_ALL)) - return GLFW_FALSE; - - if (!js->mapping) - return GLFW_FALSE; - - for (i = 0; i <= GLFW_GAMEPAD_BUTTON_LAST; i++) - { - const _GLFWmapelement* e = js->mapping->buttons + i; - if (e->type == _GLFW_JOYSTICK_AXIS) - { - const float value = js->axes[e->index] * e->axisScale + e->axisOffset; - // HACK: This should be baked into the value transform - // TODO: Bake into transform when implementing output modifiers - if (e->axisOffset < 0 || (e->axisOffset == 0 && e->axisScale > 0)) - { - if (value >= 0.f) - state->buttons[i] = GLFW_PRESS; - } - else - { - if (value <= 0.f) - state->buttons[i] = GLFW_PRESS; - } - } - else if (e->type == _GLFW_JOYSTICK_HATBIT) - { - const unsigned int hat = e->index >> 4; - const unsigned int bit = e->index & 0xf; - if (js->hats[hat] & bit) - state->buttons[i] = GLFW_PRESS; - } - else if (e->type == _GLFW_JOYSTICK_BUTTON) - state->buttons[i] = js->buttons[e->index]; - } - - for (i = 0; i <= GLFW_GAMEPAD_AXIS_LAST; i++) - { - const _GLFWmapelement* e = js->mapping->axes + i; - if (e->type == _GLFW_JOYSTICK_AXIS) - { - const float value = js->axes[e->index] * e->axisScale + e->axisOffset; - state->axes[i] = _glfw_fminf(_glfw_fmaxf(value, -1.f), 1.f); - } - else if (e->type == _GLFW_JOYSTICK_HATBIT) - { - const unsigned int hat = e->index >> 4; - const unsigned int bit = e->index & 0xf; - if (js->hats[hat] & bit) - state->axes[i] = 1.f; - else - state->axes[i] = -1.f; - } - else if (e->type == _GLFW_JOYSTICK_BUTTON) - state->axes[i] = js->buttons[e->index] * 2.f - 1.f; - } - - return GLFW_TRUE; -} - -GLFWAPI void glfwSetClipboardString(GLFWwindow* handle, const char* string) -{ - assert(string != NULL); - - _GLFW_REQUIRE_INIT(); - _glfw.platform.setClipboardString(string); -} - -GLFWAPI const char* glfwGetClipboardString(GLFWwindow* handle) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - return _glfw.platform.getClipboardString(); -} - -GLFWAPI double glfwGetTime(void) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(0.0); - return (double) (_glfwPlatformGetTimerValue() - _glfw.timer.offset) / - _glfwPlatformGetTimerFrequency(); -} - -GLFWAPI void glfwSetTime(double time) -{ - _GLFW_REQUIRE_INIT(); - - if (time != time || time < 0.0 || time > 18446744073.0) - { - _glfwInputError(GLFW_INVALID_VALUE, "Invalid time %f", time); - return; - } - - _glfw.timer.offset = _glfwPlatformGetTimerValue() - - (uint64_t) (time * _glfwPlatformGetTimerFrequency()); -} - -GLFWAPI uint64_t glfwGetTimerValue(void) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(0); - return _glfwPlatformGetTimerValue(); -} - -GLFWAPI uint64_t glfwGetTimerFrequency(void) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(0); - return _glfwPlatformGetTimerFrequency(); -} - |