skia2/tools/sk_app/unix/main_unix.cpp
Brian Osman eff04b5ec2 Remove SampleApp and convert HelloWorld to sk_app
There is still a large amount of views code that could be trimmed down,
but which is used to implement samples (in viewer). Seemed simpler to
remove some of this code in pieces.

Bug: skia:
Change-Id: Ia3415060d03c8de604a154e3dc38379b754daab6
Reviewed-on: https://skia-review.googlesource.com/72801
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2017-11-21 18:37:19 +00:00

95 lines
2.4 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkTypes.h"
#include "SkTHash.h"
#include "Timer.h"
#include "Window_unix.h"
#include "../Application.h"
using sk_app::Application;
void finishWindow(sk_app::Window_unix* win) {
win->finishResize();
win->finishPaint();
}
int main(int argc, char**argv) {
Display* display = XOpenDisplay(nullptr);
Application* app = Application::Create(argc, argv, (void*)display);
// Get the file descriptor for the X display
int x11_fd = ConnectionNumber(display);
int count = x11_fd + 1;
SkTHashSet<sk_app::Window_unix*> pendingWindows;
bool done = false;
while (!done) {
// Create a file description set containing x11_fd
fd_set in_fds;
FD_ZERO(&in_fds);
FD_SET(x11_fd, &in_fds);
// Set a sleep timer
struct timeval tv;
tv.tv_usec = 100;
tv.tv_sec = 0;
while (!XPending(display)) {
// Wait for an event on the file descriptor or for timer expiration
(void) select(count, &in_fds, nullptr, nullptr, &tv);
}
// Handle XEvents (if any) and flush the input
int count = XPending(display);
while (count-- && !done) {
XEvent event;
XNextEvent(display, &event);
sk_app::Window_unix* win = sk_app::Window_unix::gWindowMap.find(event.xany.window);
if (!win) {
continue;
}
// paint and resize events get collapsed
switch (event.type) {
case Expose:
win->markPendingPaint();
pendingWindows.add(win);
break;
case ConfigureNotify:
win->markPendingResize(event.xconfigurerequest.width,
event.xconfigurerequest.height);
pendingWindows.add(win);
break;
default:
if (win->handleEvent(event)) {
done = true;
}
break;
}
}
pendingWindows.foreach(finishWindow);
if (pendingWindows.count() > 0) {
app->onIdle();
}
pendingWindows.reset();
XFlush(display);
}
delete app;
XCloseDisplay(display);
return 0;
}