first commit
This commit is contained in:
Irlan Robson
659
external/glfw/input.c
vendored
Normal file
659
external/glfw/input.c
vendored
Normal file
@ -0,0 +1,659 @@
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//========================================================================
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// GLFW 3.3 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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#include <assert.h>
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#include <float.h>
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#include <stdlib.h>
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// Internal key state used for sticky keys
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#define _GLFW_STICK 3
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//////////////////////////////////////////////////////////////////////////
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////// GLFW event API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwInputKey(_GLFWwindow* window, int key, int scancode, int action, int mods)
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{
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if (key >= 0 && key <= GLFW_KEY_LAST)
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{
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GLFWbool repeated = GLFW_FALSE;
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if (action == GLFW_RELEASE && window->keys[key] == GLFW_RELEASE)
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return;
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if (action == GLFW_PRESS && window->keys[key] == GLFW_PRESS)
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repeated = GLFW_TRUE;
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if (action == GLFW_RELEASE && window->stickyKeys)
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window->keys[key] = _GLFW_STICK;
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else
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window->keys[key] = (char) action;
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if (repeated)
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action = GLFW_REPEAT;
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}
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if (window->callbacks.key)
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window->callbacks.key((GLFWwindow*) window, key, scancode, action, mods);
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}
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void _glfwInputChar(_GLFWwindow* window, unsigned int codepoint, int mods, GLFWbool plain)
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{
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if (codepoint < 32 || (codepoint > 126 && codepoint < 160))
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return;
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if (window->callbacks.charmods)
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window->callbacks.charmods((GLFWwindow*) window, codepoint, mods);
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if (plain)
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{
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if (window->callbacks.character)
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window->callbacks.character((GLFWwindow*) window, codepoint);
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}
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}
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void _glfwInputScroll(_GLFWwindow* window, double xoffset, double yoffset)
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{
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if (window->callbacks.scroll)
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window->callbacks.scroll((GLFWwindow*) window, xoffset, yoffset);
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}
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void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods)
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{
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if (button < 0 || button > GLFW_MOUSE_BUTTON_LAST)
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return;
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// Register mouse button action
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if (action == GLFW_RELEASE && window->stickyMouseButtons)
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window->mouseButtons[button] = _GLFW_STICK;
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else
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window->mouseButtons[button] = (char) action;
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if (window->callbacks.mouseButton)
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window->callbacks.mouseButton((GLFWwindow*) window, button, action, mods);
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}
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void _glfwInputCursorPos(_GLFWwindow* window, double xpos, double ypos)
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{
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if (window->virtualCursorPosX == xpos && window->virtualCursorPosY == ypos)
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return;
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window->virtualCursorPosX = xpos;
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window->virtualCursorPosY = ypos;
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if (window->callbacks.cursorPos)
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window->callbacks.cursorPos((GLFWwindow*) window, xpos, ypos);
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}
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void _glfwInputCursorEnter(_GLFWwindow* window, GLFWbool entered)
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{
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if (window->callbacks.cursorEnter)
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window->callbacks.cursorEnter((GLFWwindow*) window, entered);
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}
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void _glfwInputDrop(_GLFWwindow* window, int count, const char** paths)
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{
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if (window->callbacks.drop)
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window->callbacks.drop((GLFWwindow*) window, count, paths);
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}
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void _glfwInputJoystickChange(int joy, int event)
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{
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if (_glfw.callbacks.joystick)
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_glfw.callbacks.joystick(joy, event);
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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GLFWbool _glfwIsPrintable(int key)
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{
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return (key >= GLFW_KEY_APOSTROPHE && key <= GLFW_KEY_WORLD_2) ||
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(key >= GLFW_KEY_KP_0 && key <= GLFW_KEY_KP_ADD) ||
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key == GLFW_KEY_KP_EQUAL;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW public API //////
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//////////////////////////////////////////////////////////////////////////
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GLFWAPI int glfwGetInputMode(GLFWwindow* handle, int mode)
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{
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_GLFWwindow* window = (_GLFWwindow*) handle;
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assert(window != NULL);
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_GLFW_REQUIRE_INIT_OR_RETURN(0);
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switch (mode)
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{
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case GLFW_CURSOR:
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return window->cursorMode;
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case GLFW_STICKY_KEYS:
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return window->stickyKeys;
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case GLFW_STICKY_MOUSE_BUTTONS:
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return window->stickyMouseButtons;
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default:
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_glfwInputError(GLFW_INVALID_ENUM, "Invalid input mode %i", mode);
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return 0;
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}
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}
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GLFWAPI void glfwSetInputMode(GLFWwindow* handle, int mode, int value)
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{
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_GLFWwindow* window = (_GLFWwindow*) handle;
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assert(window != NULL);
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_GLFW_REQUIRE_INIT();
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switch (mode)
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{
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case GLFW_CURSOR:
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{
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if (value != GLFW_CURSOR_NORMAL &&
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value != GLFW_CURSOR_HIDDEN &&
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value != GLFW_CURSOR_DISABLED)
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{
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_glfwInputError(GLFW_INVALID_ENUM,
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"Invalid cursor mode %i",
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value);
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return;
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}
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if (window->cursorMode == value)
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return;
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window->cursorMode = value;
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_glfwPlatformGetCursorPos(window,
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&window->virtualCursorPosX,
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&window->virtualCursorPosY);
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if (_glfwPlatformWindowFocused(window))
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_glfwPlatformSetCursorMode(window, value);
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return;
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}
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case GLFW_STICKY_KEYS:
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{
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if (window->stickyKeys == value)
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return;
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if (!value)
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{
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int i;
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// Release all sticky keys
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for (i = 0; i <= GLFW_KEY_LAST; i++)
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{
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if (window->keys[i] == _GLFW_STICK)
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window->keys[i] = GLFW_RELEASE;
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}
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}
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window->stickyKeys = value ? GLFW_TRUE : GLFW_FALSE;
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return;
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}
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case GLFW_STICKY_MOUSE_BUTTONS:
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{
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if (window->stickyMouseButtons == value)
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return;
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if (!value)
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{
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int i;
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// Release all sticky mouse buttons
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for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++)
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{
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if (window->mouseButtons[i] == _GLFW_STICK)
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window->mouseButtons[i] = GLFW_RELEASE;
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}
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}
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window->stickyMouseButtons = value ? GLFW_TRUE : GLFW_FALSE;
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return;
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}
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}
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_glfwInputError(GLFW_INVALID_ENUM, "Invalid input mode %i", mode);
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}
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GLFWAPI const char* glfwGetKeyName(int key, int scancode)
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{
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_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
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return _glfwPlatformGetKeyName(key, scancode);
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}
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GLFWAPI int glfwGetKey(GLFWwindow* handle, int key)
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{
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_GLFWwindow* window = (_GLFWwindow*) handle;
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assert(window != NULL);
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_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
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if (key < GLFW_KEY_SPACE || key > GLFW_KEY_LAST)
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{
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_glfwInputError(GLFW_INVALID_ENUM, "Invalid key %i", key);
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return GLFW_RELEASE;
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}
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if (window->keys[key] == _GLFW_STICK)
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{
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// Sticky mode: release key now
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window->keys[key] = GLFW_RELEASE;
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return GLFW_PRESS;
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}
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return (int) window->keys[key];
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}
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GLFWAPI int glfwGetMouseButton(GLFWwindow* handle, int button)
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{
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_GLFWwindow* window = (_GLFWwindow*) handle;
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assert(window != NULL);
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_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
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if (button < GLFW_MOUSE_BUTTON_1 || button > GLFW_MOUSE_BUTTON_LAST)
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{
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_glfwInputError(GLFW_INVALID_ENUM, "Invalid mouse button %i", button);
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return GLFW_RELEASE;
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}
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if (window->mouseButtons[button] == _GLFW_STICK)
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{
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// Sticky mode: release mouse button now
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window->mouseButtons[button] = GLFW_RELEASE;
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return GLFW_PRESS;
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}
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return (int) window->mouseButtons[button];
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}
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GLFWAPI void glfwGetCursorPos(GLFWwindow* handle, double* xpos, double* ypos)
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{
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_GLFWwindow* window = (_GLFWwindow*) handle;
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assert(window != NULL);
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if (xpos)
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*xpos = 0;
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if (ypos)
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*ypos = 0;
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_GLFW_REQUIRE_INIT();
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if (window->cursorMode == GLFW_CURSOR_DISABLED)
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{
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if (xpos)
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*xpos = window->virtualCursorPosX;
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if (ypos)
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*ypos = window->virtualCursorPosY;
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}
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else
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_glfwPlatformGetCursorPos(window, xpos, ypos);
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}
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GLFWAPI void glfwSetCursorPos(GLFWwindow* handle, double xpos, double ypos)
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{
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_GLFWwindow* window = (_GLFWwindow*) handle;
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assert(window != NULL);
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_GLFW_REQUIRE_INIT();
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if (xpos != xpos || xpos < -DBL_MAX || xpos > DBL_MAX ||
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ypos != ypos || ypos < -DBL_MAX || ypos > DBL_MAX)
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{
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_glfwInputError(GLFW_INVALID_VALUE,
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"Invalid cursor position %f %f",
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xpos, ypos);
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return;
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}
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if (!_glfwPlatformWindowFocused(window))
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return;
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if (window->cursorMode == GLFW_CURSOR_DISABLED)
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{
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// Only update the accumulated position if the cursor is disabled
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window->virtualCursorPosX = xpos;
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window->virtualCursorPosY = ypos;
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}
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else
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{
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// Update system cursor position
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_glfwPlatformSetCursorPos(window, xpos, ypos);
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}
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}
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GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot)
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{
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_GLFWcursor* cursor;
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assert(image != NULL);
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_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
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cursor = calloc(1, sizeof(_GLFWcursor));
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cursor->next = _glfw.cursorListHead;
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_glfw.cursorListHead = cursor;
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if (!_glfwPlatformCreateCursor(cursor, image, xhot, yhot))
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{
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glfwDestroyCursor((GLFWcursor*) cursor);
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return NULL;
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}
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return (GLFWcursor*) cursor;
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||||
}
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GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape)
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{
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||||
_GLFWcursor* cursor;
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_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
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||||
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if (shape != GLFW_ARROW_CURSOR &&
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shape != GLFW_IBEAM_CURSOR &&
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shape != GLFW_CROSSHAIR_CURSOR &&
|
||||
shape != GLFW_HAND_CURSOR &&
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shape != GLFW_HRESIZE_CURSOR &&
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shape != GLFW_VRESIZE_CURSOR)
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{
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||||
_glfwInputError(GLFW_INVALID_ENUM, "Invalid standard cursor %i", shape);
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return NULL;
|
||||
}
|
||||
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cursor = calloc(1, sizeof(_GLFWcursor));
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||||
cursor->next = _glfw.cursorListHead;
|
||||
_glfw.cursorListHead = cursor;
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||||
|
||||
if (!_glfwPlatformCreateStandardCursor(cursor, shape))
|
||||
{
|
||||
glfwDestroyCursor((GLFWcursor*) cursor);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return (GLFWcursor*) cursor;
|
||||
}
|
||||
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||||
GLFWAPI void glfwDestroyCursor(GLFWcursor* handle)
|
||||
{
|
||||
_GLFWcursor* cursor = (_GLFWcursor*) handle;
|
||||
|
||||
_GLFW_REQUIRE_INIT();
|
||||
|
||||
if (cursor == NULL)
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||||
return;
|
||||
|
||||
// Make sure the cursor is not being used by any window
|
||||
{
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||||
_GLFWwindow* window;
|
||||
|
||||
for (window = _glfw.windowListHead; window; window = window->next)
|
||||
{
|
||||
if (window->cursor == cursor)
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||||
glfwSetCursor((GLFWwindow*) window, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
_glfwPlatformDestroyCursor(cursor);
|
||||
|
||||
// Unlink cursor from global linked list
|
||||
{
|
||||
_GLFWcursor** prev = &_glfw.cursorListHead;
|
||||
|
||||
while (*prev != cursor)
|
||||
prev = &((*prev)->next);
|
||||
|
||||
*prev = cursor->next;
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
_glfwPlatformSetCursor(window, cursor);
|
||||
}
|
||||
|
||||
GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* handle, GLFWkeyfun cbfun)
|
||||
{
|
||||
_GLFWwindow* window = (_GLFWwindow*) handle;
|
||||
assert(window != NULL);
|
||||
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||||
_GLFW_SWAP_POINTERS(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_POINTERS(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_POINTERS(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_POINTERS(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_POINTERS(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_POINTERS(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_POINTERS(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_POINTERS(window->callbacks.drop, cbfun);
|
||||
return cbfun;
|
||||
}
|
||||
|
||||
GLFWAPI int glfwJoystickPresent(int joy)
|
||||
{
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(0);
|
||||
|
||||
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
|
||||
{
|
||||
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", joy);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return _glfwPlatformJoystickPresent(joy);
|
||||
}
|
||||
|
||||
GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count)
|
||||
{
|
||||
assert(count != NULL);
|
||||
*count = 0;
|
||||
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||||
|
||||
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
|
||||
{
|
||||
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", joy);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return _glfwPlatformGetJoystickAxes(joy, count);
|
||||
}
|
||||
|
||||
GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count)
|
||||
{
|
||||
assert(count != NULL);
|
||||
*count = 0;
|
||||
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||||
|
||||
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
|
||||
{
|
||||
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", joy);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return _glfwPlatformGetJoystickButtons(joy, count);
|
||||
}
|
||||
|
||||
GLFWAPI const char* glfwGetJoystickName(int joy)
|
||||
{
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||||
|
||||
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
|
||||
{
|
||||
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", joy);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return _glfwPlatformGetJoystickName(joy);
|
||||
}
|
||||
|
||||
GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun cbfun)
|
||||
{
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||||
_GLFW_SWAP_POINTERS(_glfw.callbacks.joystick, cbfun);
|
||||
return cbfun;
|
||||
}
|
||||
|
||||
GLFWAPI void glfwSetClipboardString(GLFWwindow* handle, const char* string)
|
||||
{
|
||||
_GLFWwindow* window = (_GLFWwindow*) handle;
|
||||
assert(window != NULL);
|
||||
assert(string != NULL);
|
||||
|
||||
_GLFW_REQUIRE_INIT();
|
||||
_glfwPlatformSetClipboardString(window, string);
|
||||
}
|
||||
|
||||
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* handle)
|
||||
{
|
||||
_GLFWwindow* window = (_GLFWwindow*) handle;
|
||||
assert(window != NULL);
|
||||
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||||
return _glfwPlatformGetClipboardString(window);
|
||||
}
|
||||
|
||||
GLFWAPI double glfwGetTime(void)
|
||||
{
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(0.0);
|
||||
return (double) (_glfwPlatformGetTimerValue() - _glfw.timerOffset) /
|
||||
_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.timerOffset = _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();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user