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authorJonas Suhr Christensen <jsc@umbraculum.org>2014-01-18 10:17:58 +0100
committerJonas Suhr Christensen <jsc@umbraculum.org>2014-01-18 10:17:58 +0100
commitfe9e38995f5a0abc196e9600c38d95385d6bf84f (patch)
treed106ff875aba7289296f5ed47626f50fc0930d2c /pugl/.svn/pristine/ae
parent5f1e301d951c10533b101bcddc7a0262780743a3 (diff)
Added PuGl window drawing. Enable with './configure -with-pugl'.
Diffstat (limited to 'pugl/.svn/pristine/ae')
-rw-r--r--pugl/.svn/pristine/ae/ae22c035ba53b96a90015d3789aac71b53267aa5.svn-base386
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;
+}