3f4a2b3499
Change-Id: I43044727298265ddb711456346c2b544ca8d509d Reviewed-on: https://skia-review.googlesource.com/c/skia/+/231477 Commit-Queue: Hal Canary <halcanary@google.com> Reviewed-by: Jim Van Verth <jvanverth@google.com> Auto-Submit: Hal Canary <halcanary@google.com>
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkTypes.h"
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#include "include/private/SkTHash.h"
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#include "tools/sk_app/Application.h"
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#include "tools/sk_app/unix/Window_unix.h"
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#include "tools/timer/Timer.h"
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int main(int argc, char**argv) {
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XInitThreads();
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Display* display = XOpenDisplay(nullptr);
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sk_app::Application* app = sk_app::Application::Create(argc, argv, (void*)display);
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// Get the file descriptor for the X display
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const int x11_fd = ConnectionNumber(display);
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bool done = false;
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while (!done) {
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if (0 == XPending(display)) {
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// Only call select() when we have no events.
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// Create a file description set containing x11_fd
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fd_set in_fds;
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FD_ZERO(&in_fds);
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FD_SET(x11_fd, &in_fds);
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// Set a sleep timer
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struct timeval tv;
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tv.tv_usec = 10;
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tv.tv_sec = 0;
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// Wait for an event on the file descriptor or for timer expiration
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(void)select(1, &in_fds, nullptr, nullptr, &tv);
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}
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// Handle all pending XEvents (if any) and flush the input
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// Only handle a finite number of events before finishing resize and paint..
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if (int count = XPending(display)) {
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// collapse any Expose and Resize events.
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SkTHashSet<sk_app::Window_unix*> pendingWindows;
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while (count-- && !done) {
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XEvent event;
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XNextEvent(display, &event);
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sk_app::Window_unix* win = sk_app::Window_unix::gWindowMap.find(event.xany.window);
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if (!win) {
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continue;
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}
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// paint and resize events get collapsed
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switch (event.type) {
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case Expose:
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win->markPendingPaint();
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pendingWindows.add(win);
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break;
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case ConfigureNotify:
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win->markPendingResize(event.xconfigurerequest.width,
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event.xconfigurerequest.height);
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pendingWindows.add(win);
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break;
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default:
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if (win->handleEvent(event)) {
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done = true;
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}
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break;
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}
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}
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pendingWindows.foreach([](sk_app::Window_unix* win) {
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win->finishResize();
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win->finishPaint();
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});
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} else {
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// We are only really "idle" when the timer went off with zero events.
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app->onIdle();
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}
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XFlush(display);
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}
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delete app;
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XCloseDisplay(display);
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return 0;
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}
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