From 872ffe22fa5d915dfa16cf96db260882d0fd3247 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sun, 8 Mar 2020 17:47:15 +0100 Subject: Add multiple window example --- examples/pugl_window_demo.c | 243 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 243 insertions(+) create mode 100644 examples/pugl_window_demo.c (limited to 'examples') diff --git a/examples/pugl_window_demo.c b/examples/pugl_window_demo.c new file mode 100644 index 0000000..e9c09a3 --- /dev/null +++ b/examples/pugl_window_demo.c @@ -0,0 +1,243 @@ +/* + Copyright 2012-2020 David Robillard + + 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_windows_demo.c A demonstration of multiple Pugl windows. +*/ + +#define GL_SILENCE_DEPRECATION 1 + +#include "cube_view.h" +#include "demo_utils.h" +#include "test/test_utils.h" + +#include "pugl/gl.h" +#include "pugl/pugl.h" +#include "pugl/pugl_gl.h" + +#include +#include +#include + +typedef struct { + PuglView* view; + double xAngle; + double yAngle; + float dist; + double lastMouseX; + double lastMouseY; + double lastDrawTime; + bool entered; +} CubeView; + +typedef struct { + PuglWorld* world; + CubeView cubes[2]; + bool continuous; + int quit; + bool verbose; +} PuglTestApp; + +static void +onDisplay(PuglView* view) +{ + PuglWorld* world = puglGetWorld(view); + PuglTestApp* app = (PuglTestApp*)puglGetWorldHandle(world); + CubeView* cube = (CubeView*)puglGetHandle(view); + + const double thisTime = puglGetTime(app->world); + if (app->continuous) { + const double dTime = thisTime - cube->lastDrawTime; + + cube->xAngle = fmod(cube->xAngle + dTime * 100.0, 360.0); + cube->yAngle = fmod(cube->yAngle + dTime * 100.0, 360.0); + } + + displayCube(view, cube->dist, cube->xAngle, cube->yAngle, cube->entered); + + cube->lastDrawTime = thisTime; +} + +static void +onKeyPress(PuglView* view, const PuglEventKey* event) +{ + PuglWorld* world = puglGetWorld(view); + PuglTestApp* app = (PuglTestApp*)puglGetWorldHandle(world); + PuglRect frame = puglGetFrame(view); + + if (event->key == 'q' || event->key == PUGL_KEY_ESCAPE) { + app->quit = 1; + } else if (event->state & PUGL_MOD_SHIFT) { + if (event->key == PUGL_KEY_UP) { + frame.height += 10; + } else if (event->key == PUGL_KEY_DOWN) { + frame.height -= 10; + } else if (event->key == PUGL_KEY_LEFT) { + frame.width -= 10; + } else if (event->key == PUGL_KEY_RIGHT) { + frame.width += 10; + } else { + return; + } + puglSetFrame(view, frame); + } else { + if (event->key == PUGL_KEY_UP) { + frame.y -= 10; + } else if (event->key == PUGL_KEY_DOWN) { + frame.y += 10; + } else if (event->key == PUGL_KEY_LEFT) { + frame.x -= 10; + } else if (event->key == PUGL_KEY_RIGHT) { + frame.x += 10; + } else { + return; + } + puglSetFrame(view, frame); + } +} + +static PuglStatus +onEvent(PuglView* view, const PuglEvent* event) +{ + PuglWorld* world = puglGetWorld(view); + PuglTestApp* app = (PuglTestApp*)puglGetWorldHandle(world); + CubeView* cube = (CubeView*)puglGetHandle(view); + + const char* const prefix = cube == &app->cubes[0] ? "View 1: " : "View 2: "; + printEvent(event, prefix, app->verbose); + + switch (event->type) { + case PUGL_CONFIGURE: + reshapeCube((int)event->configure.width, (int)event->configure.height); + break; + case PUGL_EXPOSE: + onDisplay(view); + break; + case PUGL_CLOSE: + app->quit = 1; + break; + case PUGL_KEY_PRESS: + onKeyPress(view, &event->key); + break; + case PUGL_MOTION_NOTIFY: + cube->xAngle -= event->motion.x - cube->lastMouseX; + cube->yAngle += event->motion.y - cube->lastMouseY; + cube->lastMouseX = event->motion.x; + cube->lastMouseY = event->motion.y; + if (!app->continuous) { + puglPostRedisplay(view); + } + break; + case PUGL_SCROLL: + cube->dist = fmaxf(10.0f, cube->dist + (float)event->scroll.dy); + if (!app->continuous) { + puglPostRedisplay(view); + } + break; + case PUGL_ENTER_NOTIFY: + cube->entered = true; + break; + case PUGL_LEAVE_NOTIFY: + cube->entered = false; + break; + default: + break; + } + + return PUGL_SUCCESS; +} + +int +main(int argc, char** argv) +{ + PuglTestApp app = {0}; + + const PuglTestOptions opts = puglParseTestOptions(&argc, &argv); + if (opts.help) { + puglPrintTestUsage(argv[0], ""); + return 1; + } + + app.continuous = opts.continuous; + app.verbose = opts.verbose; + + app.world = puglNewWorld(); + app.cubes[0].view = puglNewView(app.world); + app.cubes[1].view = puglNewView(app.world); + + puglSetWorldHandle(app.world, &app); + puglSetClassName(app.world, "Pugl Test"); + + PuglStatus st = PUGL_SUCCESS; + for (size_t i = 0; i < 2; ++i) { + CubeView* cube = &app.cubes[i]; + PuglView* view = cube->view; + static const double pad = 64.0; + const PuglRect frame = {pad + (256.0 + pad) * i, + pad + (256.0 + pad) * i, + 256.0, + 256.0}; + + cube->dist = 10; + + puglSetFrame(view, frame); + puglSetMinSize(view, 128, 128); + puglSetBackend(view, puglGlBackend()); + + puglSetViewHint(view, PUGL_USE_DEBUG_CONTEXT, opts.errorChecking); + puglSetViewHint(view, PUGL_RESIZABLE, opts.resizable); + puglSetViewHint(view, PUGL_SAMPLES, opts.samples); + puglSetViewHint(view, PUGL_DOUBLE_BUFFER, opts.doubleBuffer); + puglSetViewHint(view, PUGL_SWAP_INTERVAL, 0);//opts.doubleBuffer && i == 0); + puglSetViewHint(view, PUGL_IGNORE_KEY_REPEAT, opts.ignoreKeyRepeat); + puglSetHandle(view, cube); + puglSetEventFunc(view, onEvent); + + if ((st = puglCreateWindow(view, "Pugl"))) { + return logError("Failed to create window window (%s)\n", + puglStrerror(st)); + } + + puglShowWindow(view); + } + + PuglFpsPrinter fpsPrinter = {puglGetTime(app.world)}; + unsigned framesDrawn = 0; + while (!app.quit) { + if (app.continuous) { + for (size_t i = 0; i < 2; ++i) { + puglPostRedisplay(app.cubes[i].view); + } + } else { + puglPollEvents(app.world, -1); + } + + puglDispatchEvents(app.world); + ++framesDrawn; + + if (app.continuous) { + puglPrintFps(app.world, &fpsPrinter, &framesDrawn); + } + } + + for (size_t i = 0; i < 2; ++i) { + puglFreeView(app.cubes[i].view); + } + + puglFreeWorld(app.world); + + return 0; +} -- cgit v1.2.1