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| 1 /* |
| 2 * Copyright 2016 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #include "SkTypes.h" |
| 9 #include "SkTHash.h" |
| 10 #include "Timer.h" |
| 11 #include "Window_unix.h" |
| 12 #include "../Application.h" |
| 13 |
| 14 using sk_app::Application; |
| 15 |
| 16 static double now_ms() { return SkTime::GetNSecs() * 1e-6; } |
| 17 |
| 18 void finishWindow(sk_app::Window_unix* win) { |
| 19 win->finishResize(); |
| 20 win->finishPaint(); |
| 21 } |
| 22 |
| 23 int main(int argc, char**argv) { |
| 24 |
| 25 Display* display = XOpenDisplay(nullptr); |
| 26 |
| 27 Application* app = Application::Create(argc, argv, (void*)display); |
| 28 |
| 29 double currentTime = 0.0; |
| 30 double previousTime = 0.0; |
| 31 |
| 32 // Get the file descriptor for the X display |
| 33 int x11_fd = ConnectionNumber(display); |
| 34 fd_set in_fds; |
| 35 |
| 36 SkTHashSet<sk_app::Window_unix*> pendingWindows; |
| 37 bool done = false; |
| 38 while (!done) { |
| 39 // Create a file description set containing x11_fd |
| 40 FD_ZERO(&in_fds); |
| 41 FD_SET(x11_fd, &in_fds); |
| 42 |
| 43 // Set a sleep timer |
| 44 struct timeval tv; |
| 45 tv.tv_usec = 100; |
| 46 tv.tv_sec = 0; |
| 47 |
| 48 // Wait for an event on the file descriptor or for timer expiration |
| 49 (void) select(1, &in_fds, NULL, NULL, &tv); |
| 50 |
| 51 // Handle XEvents (if any) and flush the input |
| 52 XEvent event; |
| 53 while (XPending(display) && !done) { |
| 54 XNextEvent(display, &event); |
| 55 |
| 56 sk_app::Window_unix* win = sk_app::Window_unix::gWindowMap.find(even
t.xany.window); |
| 57 // paint and resize events get collapsed |
| 58 switch (event.type) { |
| 59 case Expose: |
| 60 win->markPendingPaint(); |
| 61 pendingWindows.add(win); |
| 62 break; |
| 63 case ConfigureNotify: |
| 64 win->markPendingResize(event.xconfigurerequest.width, |
| 65 event.xconfigurerequest.height); |
| 66 pendingWindows.add(win); |
| 67 break; |
| 68 default: |
| 69 if (win->handleEvent(event)) { |
| 70 done = true; |
| 71 } |
| 72 break; |
| 73 } |
| 74 } |
| 75 |
| 76 pendingWindows.foreach(finishWindow); |
| 77 if (pendingWindows.count() > 0) { |
| 78 previousTime = currentTime; |
| 79 currentTime = now_ms(); |
| 80 app->onIdle(currentTime - previousTime); |
| 81 } |
| 82 pendingWindows.reset(); |
| 83 } |
| 84 |
| 85 delete app; |
| 86 |
| 87 XCloseDisplay(display); |
| 88 |
| 89 return 0; |
| 90 } |
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