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Diffstat (limited to 'pugl/.svn/pristine/ae')
| -rw-r--r-- | pugl/.svn/pristine/ae/ae22c035ba53b96a90015d3789aac71b53267aa5.svn-base | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/pugl/.svn/pristine/ae/ae22c035ba53b96a90015d3789aac71b53267aa5.svn-base b/pugl/.svn/pristine/ae/ae22c035ba53b96a90015d3789aac71b53267aa5.svn-base new file mode 100644 index 0000000..c25b273 --- /dev/null +++ b/pugl/.svn/pristine/ae/ae22c035ba53b96a90015d3789aac71b53267aa5.svn-base @@ -0,0 +1,386 @@ +/* + Copyright 2012-2014 David Robillard <http://drobilla.net> + Copyright 2011-2012 Ben Loftis, Harrison Consoles + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/** + @file pugl_x11.c X11 Pugl Implementation. +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <GL/gl.h> +#include <GL/glx.h> +#include <X11/Xatom.h> +#include <X11/Xlib.h> +#include <X11/keysym.h> + +#include "pugl_internal.h" + +struct PuglInternalsImpl { + Display* display; + int screen; + Window win; + GLXContext ctx; + Bool doubleBuffered; +}; + +/** + Attributes for single-buffered RGBA with at least + 4 bits per color and a 16 bit depth buffer. +*/ +static int attrListSgl[] = { + GLX_RGBA, + GLX_RED_SIZE, 4, + GLX_GREEN_SIZE, 4, + GLX_BLUE_SIZE, 4, + GLX_DEPTH_SIZE, 16, + None +}; + +/** + Attributes for double-buffered RGBA with at least + 4 bits per color and a 16 bit depth buffer. +*/ +static int attrListDbl[] = { + GLX_RGBA, GLX_DOUBLEBUFFER, + GLX_RED_SIZE, 4, + GLX_GREEN_SIZE, 4, + GLX_BLUE_SIZE, 4, + GLX_DEPTH_SIZE, 16, + None +}; + +PuglView* +puglCreate(PuglNativeWindow parent, + const char* title, + int width, + int height, + bool resizable, + bool visible) +{ + PuglView* view = (PuglView*)calloc(1, sizeof(PuglView)); + PuglInternals* impl = (PuglInternals*)calloc(1, sizeof(PuglInternals)); + if (!view || !impl) { + return NULL; + } + + view->impl = impl; + view->width = width; + view->height = height; + + impl->display = XOpenDisplay(0); + impl->screen = DefaultScreen(impl->display); + + XVisualInfo* vi = glXChooseVisual(impl->display, impl->screen, attrListDbl); + if (!vi) { + vi = glXChooseVisual(impl->display, impl->screen, attrListSgl); + impl->doubleBuffered = False; + printf("singlebuffered rendering will be used, no doublebuffering available\n"); + } else { + impl->doubleBuffered = True; + printf("doublebuffered rendering available\n"); + } + + int glxMajor, glxMinor; + glXQueryVersion(impl->display, &glxMajor, &glxMinor); + printf("GLX-Version %d.%d\n", glxMajor, glxMinor); + + impl->ctx = glXCreateContext(impl->display, vi, 0, GL_TRUE); + + Window xParent = parent + ? (Window)parent + : RootWindow(impl->display, impl->screen); + + Colormap cmap = XCreateColormap( + impl->display, xParent, vi->visual, AllocNone); + + XSetWindowAttributes attr; + memset(&attr, 0, sizeof(XSetWindowAttributes)); + attr.colormap = cmap; + attr.border_pixel = 0; + + attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask + | ButtonPressMask | ButtonReleaseMask + | PointerMotionMask | StructureNotifyMask; + + impl->win = XCreateWindow( + impl->display, xParent, + 0, 0, view->width, view->height, 0, vi->depth, InputOutput, vi->visual, + CWBorderPixel | CWColormap | CWEventMask, &attr); + + XSizeHints sizeHints; + memset(&sizeHints, 0, sizeof(sizeHints)); + if (!resizable) { + sizeHints.flags = PMinSize|PMaxSize; + sizeHints.min_width = width; + sizeHints.min_height = height; + sizeHints.max_width = width; + sizeHints.max_height = height; + XSetNormalHints(impl->display, impl->win, &sizeHints); + } + + if (title) { + XStoreName(impl->display, impl->win, title); + } + + if (!parent) { + Atom wmDelete = XInternAtom(impl->display, "WM_DELETE_WINDOW", True); + XSetWMProtocols(impl->display, impl->win, &wmDelete, 1); + } + + if (visible) { + XMapRaised(impl->display, impl->win); + } + + if (glXIsDirect(impl->display, impl->ctx)) { + printf("DRI enabled\n"); + } else { + printf("No DRI available\n"); + } + + XFree(vi); + + return view; +} + +void +puglDestroy(PuglView* view) +{ + if (!view) { + return; + } + + glXDestroyContext(view->impl->display, view->impl->ctx); + XDestroyWindow(view->impl->display, view->impl->win); + XCloseDisplay(view->impl->display); + free(view->impl); + free(view); +} + +static void +puglReshape(PuglView* view, int width, int height) +{ + glXMakeCurrent(view->impl->display, view->impl->win, view->impl->ctx); + + if (view->reshapeFunc) { + view->reshapeFunc(view, width, height); + } else { + puglDefaultReshape(view, width, height); + } + + view->width = width; + view->height = height; +} + +static void +puglDisplay(PuglView* view) +{ + glXMakeCurrent(view->impl->display, view->impl->win, view->impl->ctx); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + glLoadIdentity(); + + if (view->displayFunc) { + view->displayFunc(view); + } + + glFlush(); + if (view->impl->doubleBuffered) { + glXSwapBuffers(view->impl->display, view->impl->win); + } + + view->redisplay = false; +} + +static PuglKey +keySymToSpecial(KeySym sym) +{ + switch (sym) { + case XK_F1: return PUGL_KEY_F1; + case XK_F2: return PUGL_KEY_F2; + case XK_F3: return PUGL_KEY_F3; + case XK_F4: return PUGL_KEY_F4; + case XK_F5: return PUGL_KEY_F5; + case XK_F6: return PUGL_KEY_F6; + case XK_F7: return PUGL_KEY_F7; + case XK_F8: return PUGL_KEY_F8; + case XK_F9: return PUGL_KEY_F9; + case XK_F10: return PUGL_KEY_F10; + case XK_F11: return PUGL_KEY_F11; + case XK_F12: return PUGL_KEY_F12; + case XK_Left: return PUGL_KEY_LEFT; + case XK_Up: return PUGL_KEY_UP; + case XK_Right: return PUGL_KEY_RIGHT; + case XK_Down: return PUGL_KEY_DOWN; + case XK_Page_Up: return PUGL_KEY_PAGE_UP; + case XK_Page_Down: return PUGL_KEY_PAGE_DOWN; + case XK_Home: return PUGL_KEY_HOME; + case XK_End: return PUGL_KEY_END; + case XK_Insert: return PUGL_KEY_INSERT; + case XK_Shift_L: return PUGL_KEY_SHIFT; + case XK_Shift_R: return PUGL_KEY_SHIFT; + case XK_Control_L: return PUGL_KEY_CTRL; + case XK_Control_R: return PUGL_KEY_CTRL; + case XK_Alt_L: return PUGL_KEY_ALT; + case XK_Alt_R: return PUGL_KEY_ALT; + case XK_Super_L: return PUGL_KEY_SUPER; + case XK_Super_R: return PUGL_KEY_SUPER; + } + return (PuglKey)0; +} + +static void +setModifiers(PuglView* view, unsigned xstate, unsigned xtime) +{ + view->event_timestamp_ms = xtime; + + view->mods = 0; + view->mods |= (xstate & ShiftMask) ? PUGL_MOD_SHIFT : 0; + view->mods |= (xstate & ControlMask) ? PUGL_MOD_CTRL : 0; + view->mods |= (xstate & Mod1Mask) ? PUGL_MOD_ALT : 0; + view->mods |= (xstate & Mod4Mask) ? PUGL_MOD_SUPER : 0; +} + +static void +dispatchKey(PuglView* view, XEvent* event, bool press) +{ + KeySym sym; + char str[5]; + const int n = XLookupString(&event->xkey, str, 4, &sym, NULL); + if (n == 0) { + return; + } else if (n > 1) { + fprintf(stderr, "warning: Unsupported multi-byte key %X\n", (int)sym); + return; + } + + const PuglKey special = keySymToSpecial(sym); + if (special && view->specialFunc) { + view->specialFunc(view, press, special); + } else if (!special && view->keyboardFunc) { + view->keyboardFunc(view, press, str[0]); + } +} + +PuglStatus +puglProcessEvents(PuglView* view) +{ + XEvent event; + while (XPending(view->impl->display) > 0) { + XNextEvent(view->impl->display, &event); + switch (event.type) { + case MapNotify: + puglReshape(view, view->width, view->height); + break; + case ConfigureNotify: + if ((event.xconfigure.width != view->width) || + (event.xconfigure.height != view->height)) { + puglReshape(view, + event.xconfigure.width, + event.xconfigure.height); + } + break; + case Expose: + if (event.xexpose.count != 0) { + break; + } + puglDisplay(view); + break; + case MotionNotify: + setModifiers(view, event.xmotion.state, event.xmotion.time); + if (view->motionFunc) { + view->motionFunc(view, event.xmotion.x, event.xmotion.y); + } + break; + case ButtonPress: + setModifiers(view, event.xbutton.state, event.xbutton.time); + if (event.xbutton.button >= 4 && event.xbutton.button <= 7) { + if (view->scrollFunc) { + float dx = 0, dy = 0; + switch (event.xbutton.button) { + case 4: dy = 1.0f; break; + case 5: dy = -1.0f; break; + case 6: dx = -1.0f; break; + case 7: dx = 1.0f; break; + } + view->scrollFunc(view, + event.xbutton.x, event.xbutton.y, + dx, dy); + } + break; + } + // nobreak + case ButtonRelease: + setModifiers(view, event.xbutton.state, event.xbutton.time); + if (view->mouseFunc && + (event.xbutton.button < 4 || event.xbutton.button > 7)) { + view->mouseFunc(view, + event.xbutton.button, event.type == ButtonPress, + event.xbutton.x, event.xbutton.y); + } + break; + case KeyPress: + setModifiers(view, event.xkey.state, event.xkey.time); + dispatchKey(view, &event, true); + break; + case KeyRelease: + setModifiers(view, event.xkey.state, event.xkey.time); + if (view->ignoreKeyRepeat && + XEventsQueued(view->impl->display, QueuedAfterReading)) { + XEvent next; + XPeekEvent(view->impl->display, &next); + if (next.type == KeyPress && + next.xkey.time == event.xkey.time && + next.xkey.keycode == event.xkey.keycode) { + XNextEvent(view->impl->display, &event); + break; + } + } + dispatchKey(view, &event, false); + break; + case ClientMessage: + if (!strcmp(XGetAtomName(view->impl->display, + event.xclient.message_type), + "WM_PROTOCOLS")) { + if (view->closeFunc) { + view->closeFunc(view); + } + } + break; + default: + break; + } + } + + if (view->redisplay) { + puglDisplay(view); + } + + return PUGL_SUCCESS; +} + +void +puglPostRedisplay(PuglView* view) +{ + view->redisplay = true; +} + +PuglNativeWindow +puglGetNativeWindow(PuglView* view) +{ + return view->impl->win; +} |