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jtk.c: support multiple threads

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This commit is contained in:
Josh Holtrop 2020-07-07 16:25:12 -04:00
parent d3d6fd0fbf
commit 6cf36a852f
1 changed files with 42 additions and 7 deletions
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49
src/jtk/jtk.c
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@ -28,6 +28,12 @@ bool jtk_init()
None,
};
if (XInitThreads() != 0)
{
fprintf(stderr, "XInitThreads() failure\n");
return false;
}
g_display = XOpenDisplay(NULL);
if (g_display == NULL)
{
@ -35,6 +41,8 @@ bool jtk_init()
return false;
}
XLockDisplay(g_display);
g_vi = glXChooseVisual(g_display, DefaultScreen(g_display),
glx_attribute_list);
if (g_vi == NULL)
@ -58,6 +66,8 @@ bool jtk_init()
KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask;
XUnlockDisplay(g_display);
return true;
}
@ -89,44 +99,56 @@ static Bool wait_for_notify(Display * display, XEvent * event, XPointer arg)
void * jtk_window_create()
{
XEvent event;
XLockDisplay(g_display);
Window window = XCreateWindow(g_display,
RootWindow(g_display, g_vi->screen),
0, 0, 800u, 800u, 0u, g_vi->depth, InputOutput, g_vi->visual,
CWBorderPixel | CWColormap | CWEventMask, &g_swa);
XMapWindow(g_display, window);
XIfEvent(g_display, &event, wait_for_notify, (XPointer)window);
if (glXMakeCurrent(g_display, window, g_context) == False)
if (glXMakeCurrent(g_display, window, g_context) != False)
{
/* Disable the window close button. */
Atom wm_delete_window_atom = XInternAtom(g_display, "WM_DELETE_WINDOW", False);
XSetWMProtocols(g_display, window, &wm_delete_window_atom, 1);
}
else
{
fprintf(stderr, "glXMakeCurrent() failure\n");
XDestroyWindow(g_display, window);
return NULL;
window = NULL;
}
/* Disable the window close button. */
Atom wm_delete_window_atom = XInternAtom(g_display, "WM_DELETE_WINDOW", False);
XSetWMProtocols(g_display, window, &wm_delete_window_atom, 1);
XUnlockDisplay(g_display);
return (void *)window;
}
void jtk_window_swap_buffers(void * window)
{
XLockDisplay(g_display);
glXSwapBuffers(g_display, (Window)window);
XUnlockDisplay(g_display);
}
void jtk_window_close(void * window)
{
XLockDisplay(g_display);
XDestroyWindow(g_display, (Window)window);
XUnlockDisplay(g_display);
}
void jtk_window_set_title(void * window, const char * title)
{
XLockDisplay(g_display);
XTextProperty title_property;
if (XStringListToTextProperty((char **)&title, 1, &title_property) != 0)
{
XSetTextProperty(g_display, (Window)window, &title_property, XA_WM_NAME);
XFree(title_property.value);
}
XUnlockDisplay(g_display);
}
/**
@ -145,6 +167,7 @@ void jtk_window_set_title(void * window, const char * title)
void jtk_window_set_icon(void * window, const uint8_t * data,
size_t width, size_t height)
{
XLockDisplay(g_display);
Atom net_wm_icon_atom = XInternAtom(g_display, "_NET_WM_ICON", False);
size_t property_size = (2u + width * height) * sizeof(long);
unsigned long * property_data = (unsigned long *)malloc(property_size);
@ -163,6 +186,7 @@ void jtk_window_set_icon(void * window, const uint8_t * data,
32, PropModeReplace, (uint8_t *)property_data, property_size);
XFlush(g_display);
free(property_data);
XUnlockDisplay(g_display);
}
/**************************************************************************
@ -631,16 +655,25 @@ static bool process_x_event(XEvent * x_event, jtk_event_t * event)
bool jtk_check_event(jtk_event_t * event)
{
bool event_found = false;
XLockDisplay(g_display);
/* First check for an X event. */
while (XPending(g_display) > 0)
{
XEvent x_event;
XNextEvent(g_display, &x_event);
if (process_x_event(&x_event, event))
return true;
{
event_found = true;
break;
}
}
return false;
XUnlockDisplay(g_display);
return event_found;
}
void jtk_wait_event(jtk_event_t * event, uint64_t time_to_wait)
@ -656,7 +689,9 @@ void jtk_wait_event(jtk_event_t * event, uint64_t time_to_wait)
time_to_wait = MAX_WAIT_TIME;
}
XLockDisplay(g_display);
int x_fd = ConnectionNumber(g_display);
XUnlockDisplay(g_display);
fd_set fds;
FD_ZERO(&fds);
FD_SET(x_fd, &fds);