86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
#include "x11-window.hpp"
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X11Window::X11Window() {
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x_dpy = XOpenDisplay (NULL);
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xcb_connection = XGetXCBConnection (x_dpy);
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struct xkb_context *context = xkb_context_new (XKB_CONTEXT_NO_FLAGS);
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xkb_x11_setup_xkb_extension (xcb_connection, XKB_X11_MIN_MAJOR_XKB_VERSION, XKB_X11_MIN_MINOR_XKB_VERSION, (xkb_x11_setup_xkb_extension_flags) 0, NULL, NULL, NULL, NULL);
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keyboard_device_id = xkb_x11_get_core_keyboard_device_id (xcb_connection);
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keymap = xkb_x11_keymap_new_from_device (context, xcb_connection, keyboard_device_id, XKB_KEYMAP_COMPILE_NO_FLAGS);
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state = xkb_x11_state_new_from_device (keymap, xcb_connection, keyboard_device_id);
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egl_dpy = eglGetDisplay (x_dpy);
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eglInitialize (egl_dpy, NULL, NULL);
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}
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void X11Window::hideCursor() {
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XColor dummy;
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char data[1] = {0};
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Pixmap blank = XCreateBitmapFromData(x_dpy, window, data, 1, 1);
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if (blank == None) printf("out of memory.\n");
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Cursor cursor = XCreatePixmapCursor(x_dpy, blank, blank, &dummy, &dummy, 0, 0);
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XFreePixmap(x_dpy, blank);
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XDefineCursor (x_dpy, window, cursor);
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}
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void X11Window::createWindow(uint32_t width, uint32_t height) {
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// setup EGL
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//static EGLint ctxattr[] = {
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// EGL_CONTEXT_CLIENT_VERSION, 2, // Request opengl ES2.0
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// EGL_NONE
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//};
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static const EGLint attribs[] = {
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EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_BLUE_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_RED_SIZE, 8,
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EGL_NONE
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};
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EGLConfig config;
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EGLint num_configs_returned;
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eglChooseConfig (egl_dpy, attribs, &config, 1, &num_configs_returned);
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// get the visual from the EGL config
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EGLint visual_id;
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eglGetConfigAttrib (egl_dpy, config, EGL_NATIVE_VISUAL_ID, &visual_id);
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XVisualInfo visual_template;
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visual_template.visualid = visual_id;
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int num_visuals_returned;
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XVisualInfo *visual = XGetVisualInfo (x_dpy, VisualIDMask, &visual_template, &num_visuals_returned);
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// create a window
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XSetWindowAttributes window_attributes;
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window_attributes.event_mask = ExposureMask | StructureNotifyMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | LeaveWindowMask | FocusChangeMask;
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window_attributes.colormap = XCreateColormap (x_dpy, RootWindow(x_dpy,DefaultScreen(x_dpy)), visual->visual, AllocNone);
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window = XCreateWindow (
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x_dpy,
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RootWindow(x_dpy, DefaultScreen(x_dpy)),
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0, 0,
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width, height,
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0, // border width
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visual->depth, // depth
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InputOutput, // class
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visual->visual, // visual
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CWEventMask|CWColormap, // attribute mask
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&window_attributes // attributes
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);
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atom1 = XInternAtom(x_dpy, "WM_PROTOCOLS", 0);
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atom2 = XInternAtom(x_dpy, "WM_DELETE_WINDOW", 0);
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XSetWMProtocols(x_dpy, window, &atom2, 1);
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// EGL context and surface
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//eglBindAPI (EGL_OPENGL_ES_API);
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//egl_context = eglCreateContext (egl_dpy, config, EGL_NO_CONTEXT, ctxattr);
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//surface = eglCreateWindowSurface (egl_dpy, config, window, NULL);
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//eglMakeCurrent (egl_dpy, surface, surface, egl_context);
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XFree (visual);
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XMapWindow (x_dpy, window);
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hideCursor();
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}
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