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- /*!
- * \file src/WindowGLFW.cpp
- * \brief GLFW windowing implementation
- *
- * \author xythobuz
- */
-
- #include <cstring>
-
- #include "global.h"
- #include "Log.h"
- #include "RunTime.h"
- #include "UI.h"
- #include "utils/strings.h"
- #include "system/WindowGLFW.h"
-
- static int lastMouseX = 0;
- static int lastMouseY = 0;
-
- WindowGLFW::WindowGLFW() {
- mInit = false;
- mWidth = DEFAULT_WIDTH;
- mHeight = DEFAULT_HEIGHT;
- mFullscreen = false;
- mMousegrab = false;
- mTextInput = false;
- mWindow = nullptr;
- }
-
- WindowGLFW::~WindowGLFW() {
- if (mInit) {
- if (mWindow) {
- glfwDestroyWindow(mWindow);
- }
-
- glfwTerminate();
- }
- }
-
- int WindowGLFW::initialize() {
- assert(mInit == false);
-
- glfwSetErrorCallback(WindowGLFW::errorCallback);
- if (!glfwInit()) {
- return -1;
- }
-
- glfwWindowHint(GLFW_SAMPLES, 4);
- glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
- glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
- glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
- glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
-
- mWindow = glfwCreateWindow(mWidth, mHeight, VERSION,
- mFullscreen ? glfwGetPrimaryMonitor() : nullptr, nullptr);
- if (!mWindow) {
- glfwTerminate();
- return -2;
- }
-
- glfwMakeContextCurrent(mWindow);
-
- glfwSetWindowSizeCallback(mWindow, WindowGLFW::sizeCallback);
- glfwSetCursorPosCallback(mWindow, WindowGLFW::cursorCallback);
- glfwSetKeyCallback(mWindow, WindowGLFW::keyCallback);
- glfwSetMouseButtonCallback(mWindow, WindowGLFW::buttonCallback);
- glfwSetScrollCallback(mWindow, WindowGLFW::scrollCallback);
-
- mInit = true;
- return 0;
- }
-
- void WindowGLFW::eventHandling() {
- assert(mInit == true);
-
- glfwPollEvents();
-
- if (glfwWindowShouldClose(mWindow)) {
- getRunTime().setRunning(false);
- }
-
- UI::eventsFinished();
- }
-
- void WindowGLFW::setSize(unsigned int width, unsigned int height) {
- assert(width > 0);
- assert(height > 0);
-
- if (mInit) {
- if ((mWidth != width) || (mHeight != height)) {
- glfwSetWindowSize(mWindow, width, height);
- getWindow().resizeGL();
- }
- }
-
- mWidth = width;
- mHeight = height;
- }
-
- void WindowGLFW::setFullscreen(bool fullscreen) {
- mFullscreen = fullscreen;
-
- //! \todo GLFW does not support toggling fullscreen?!
- }
-
- void WindowGLFW::setMousegrab(bool grab) {
- mMousegrab = grab;
-
- if (mInit == true) {
- if (mMousegrab)
- glfwSetInputMode(mWindow, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
- else
- glfwSetInputMode(mWindow, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
- }
- }
-
- void WindowGLFW::setTextInput(bool on) {
- assert(mInit == true);
- mTextInput = on;
- }
-
- void WindowGLFW::swapBuffersGL() {
- assert(mInit == true);
- glfwSwapBuffers(mWindow);
- }
-
- void WindowGLFW::errorCallback(int error, const char* desc) {
- getLog() << "GLFW Error (" << error << "): " << desc << Log::endl;
- }
-
- void WindowGLFW::sizeCallback(GLFWwindow* w, int width, int height) {
- getWindow().setSize(width, height);
- }
-
- void WindowGLFW::cursorCallback(GLFWwindow* w, double xpos, double ypos) {
- int xrel = xpos - lastMouseX;
- int yrel = ypos - lastMouseY;
- UI::handleMouseMotion(xrel, yrel, xpos, ypos);
- lastMouseX = xpos;
- lastMouseY = ypos;
- }
-
- static bool modShift = false;
- static bool modControl = false;
- static bool modAlt = false;
- static bool modSuper = false;
-
- void WindowGLFW::keyCallback(GLFWwindow* w, int key, int scancode, int action, int mods) {
- if (((mods & GLFW_MOD_SHIFT) != 0) != modShift) {
- modShift = (mods & GLFW_MOD_SHIFT) != 0;
- UI::handleKeyboard(leftshiftKey, modShift);
- }
-
- if (((mods & GLFW_MOD_CONTROL) != 0) != modControl) {
- modControl = (mods & GLFW_MOD_CONTROL) != 0;
- UI::handleKeyboard(leftctrlKey, modControl);
- }
-
- if (((mods & GLFW_MOD_ALT) != 0) != modAlt) {
- modAlt = (mods & GLFW_MOD_ALT) != 0;
- UI::handleKeyboard(leftaltKey, modAlt);
- }
-
- if (((mods & GLFW_MOD_SUPER) != 0) != modSuper) {
- modSuper = (mods & GLFW_MOD_SUPER) != 0;
- UI::handleKeyboard(leftguiKey, modSuper);
- }
-
- if (getWindow().getTextInput() && (action != GLFW_RELEASE)) {
- //! \todo Handle text input properly!
- if ((key >= '0') && (key <= '9')) {
- char s[2] = { (char)key, '\0' };
- UI::handleText(s, false);
- } else if ((key >= 'A') && (key <= 'Z')) {
- key = key - 'A' + 'a';
- char s[2] = { (char)key, '\0' };
- UI::handleText(s, false);
- key = key - 'a' + 'A';
- }
- }
-
- KeyboardButton b = convertAsciiButton(key);
- UI::handleKeyboard(b, (action != GLFW_RELEASE));
- }
-
- void WindowGLFW::buttonCallback(GLFWwindow* w, int button, int action, int mods) {
- if (((mods & GLFW_MOD_SHIFT) != 0) != modShift) {
- modShift = (mods & GLFW_MOD_SHIFT) != 0;
- UI::handleKeyboard(leftshiftKey, modShift);
- }
-
- if (((mods & GLFW_MOD_CONTROL) != 0) != modControl) {
- modControl = (mods & GLFW_MOD_CONTROL) != 0;
- UI::handleKeyboard(leftctrlKey, modControl);
- }
-
- if (((mods & GLFW_MOD_ALT) != 0) != modAlt) {
- modAlt = (mods & GLFW_MOD_ALT) != 0;
- UI::handleKeyboard(leftaltKey, modAlt);
- }
-
- if (((mods & GLFW_MOD_SUPER) != 0) != modSuper) {
- modSuper = (mods & GLFW_MOD_SUPER) != 0;
- UI::handleKeyboard(leftguiKey, modSuper);
- }
-
- KeyboardButton b;
- switch (button) {
- case GLFW_MOUSE_BUTTON_LEFT:
- b = leftmouseKey;
- break;
-
- case GLFW_MOUSE_BUTTON_RIGHT:
- b = rightmouseKey;
- break;
-
- case GLFW_MOUSE_BUTTON_MIDDLE:
- b = middlemouseKey;
- break;
-
- default:
- b = unknownKey;
- break;
- }
-
- UI::handleMouseClick(lastMouseX, lastMouseY, b, (action == GLFW_RELEASE));
- }
-
- void WindowGLFW::scrollCallback(GLFWwindow* w, double xoffset, double yoffset) {
- UI::handleMouseScroll(xoffset, yoffset);
- }
-
- KeyboardButton WindowGLFW::convertAsciiButton(int key) {
- // Alphanumerics can be returned as is
- if ((key >= '0') && (key <= '9')) {
- return static_cast<KeyboardButton>(key);
- } else if ((key >= 'A') && (key <= 'Z')) {
- key = key - 'A' + 'a';
- return static_cast<KeyboardButton>(key);
- }
-
- //! \fixme GLFW requires keyboard layout? Currently US is hard coded
- switch (key) {
- case ' ':
- return spaceKey;
-
- case '!':
- return oneKey;
-
- case '@':
- return twoKey;
-
- case '#':
- return threeKey;
-
- case '$':
- return fourKey;
-
- case '%':
- return fiveKey;
-
- case '^':
- return sixKey;
-
- case '&':
- return sevenKey;
-
- case '*':
- return eightKey;
-
- case '(':
- return nineKey;
-
- case ')':
- return zeroKey;
-
- case '"':
- case '\'':
- return quoteKey;
-
- case '+':
- case '=':
- return equalsKey;
-
- case ',':
- case '<':
- return commaKey;
-
- case '-':
- case '_':
- return minusKey;
-
- case '.':
- case '>':
- return dotKey;
-
- case '/':
- case '?':
- return slashKey;
-
- case ':':
- case ';':
- return semicolonKey;
-
- case '[':
- case '{':
- return leftbracketKey;
-
- case ']':
- case '}':
- return rightbracketKey;
-
- case '\\':
- case '|':
- return backslashKey;
-
- case '`':
- case '~':
- return backquoteKey;
-
- case GLFW_KEY_TAB:
- return tabKey;
-
- case GLFW_KEY_BACKSPACE:
- return backspaceKey;
-
- case GLFW_KEY_ENTER:
- return enterKey;
-
- case GLFW_KEY_ESCAPE:
- return escapeKey;
-
- case GLFW_KEY_F1:
- return f1Key;
-
- case GLFW_KEY_F2:
- return f2Key;
-
- case GLFW_KEY_F3:
- return f3Key;
-
- case GLFW_KEY_F4:
- return f4Key;
-
- case GLFW_KEY_F5:
- return f5Key;
-
- case GLFW_KEY_F6:
- return f6Key;
-
- case GLFW_KEY_F7:
- return f7Key;
-
- case GLFW_KEY_F8:
- return f8Key;
-
- case GLFW_KEY_F9:
- return f9Key;
-
- case GLFW_KEY_F10:
- return f10Key;
-
- case GLFW_KEY_F11:
- return f11Key;
-
- case GLFW_KEY_F12:
- return f12Key;
-
- case GLFW_KEY_LEFT:
- return leftKey;
-
- case GLFW_KEY_UP:
- return upKey;
-
- case GLFW_KEY_RIGHT:
- return rightKey;
-
- case GLFW_KEY_DOWN:
- return downKey;
-
- case GLFW_KEY_PAGE_UP:
- return pageupKey;
-
- case GLFW_KEY_PAGE_DOWN:
- return pagedownKey;
-
- case GLFW_KEY_HOME:
- return homeKey;
-
- case GLFW_KEY_END:
- return endKey;
-
- case GLFW_KEY_INSERT:
- return insertKey;
-
- default:
- return unknownKey;
- }
- }
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