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Merge branch '3.3-stable' into new-cursors-on-3.3-stable

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This commit is contained in:
Camilla Löwy
2022-03-20 18:03:04 +01:00
parent 2a6dac679c 45ce5ddd19
commit 74a1ae065a
20 changed files with 449 additions and 148 deletions
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src/wl_window.c
+116 -37
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@@ -39,7 +39,8 @@
#include <sys/mman.h>
#include <sys/timerfd.h>
#include <poll.h>
#include <signal.h>
#include <time.h>
static void shellSurfaceHandlePing(void* data,
struct wl_shell_surface* shellSurface,
@@ -248,6 +249,53 @@ static struct wl_buffer* createShmBuffer(const GLFWimage* image)
return buffer;
}
// Wait for data to arrive on any of the specified file descriptors
//
static GLFWbool waitForData(struct pollfd* fds, nfds_t count, double* timeout)
{
for (;;)
{
if (timeout)
{
const uint64_t base = _glfwPlatformGetTimerValue();
#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
const time_t seconds = (time_t) *timeout;
const long nanoseconds = (long) ((*timeout - seconds) * 1e9);
const struct timespec ts = { seconds, nanoseconds };
const int result = ppoll(fds, count, &ts, NULL);
#elif defined(__NetBSD__)
const time_t seconds = (time_t) *timeout;
const long nanoseconds = (long) ((*timeout - seconds) * 1e9);
const struct timespec ts = { seconds, nanoseconds };
const int result = pollts(fds, count, &ts, NULL);
#else
const int milliseconds = (int) (*timeout * 1e3);
const int result = poll(fds, count, milliseconds);
#endif
const int error = errno; // clock_gettime may overwrite our error
*timeout -= (_glfwPlatformGetTimerValue() - base) /
(double) _glfwPlatformGetTimerFrequency();
if (result > 0)
return GLFW_TRUE;
else if (result == -1 && error != EINTR && error != EAGAIN)
return GLFW_FALSE;
else if (*timeout <= 0.0)
return GLFW_FALSE;
}
else
{
const int result = poll(fds, count, -1);
if (result > 0)
return GLFW_TRUE;
else if (result == -1 && errno != EINTR && errno != EAGAIN)
return GLFW_FALSE;
}
}
}
static void createDecoration(_GLFWdecorationWayland* decoration,
struct wl_surface* parent,
struct wl_buffer* buffer, GLFWbool opaque,
@@ -404,27 +452,25 @@ static void resizeWindow(_GLFWwindow* window)
static void checkScaleChange(_GLFWwindow* window)
{
int scale = 1;
int i;
int monitorScale;
// Check if we will be able to set the buffer scale or not.
if (_glfw.wl.compositorVersion < 3)
return;
// Get the scale factor from the highest scale monitor.
for (i = 0; i < window->wl.monitorsCount; ++i)
int maxScale = 1;
for (int i = 0; i < window->wl.monitorsCount; i++)
{
monitorScale = window->wl.monitors[i]->wl.scale;
if (scale < monitorScale)
scale = monitorScale;
const int scale = window->wl.monitors[i]->wl.scale;
if (maxScale < scale)
maxScale = scale;
}
// Only change the framebuffer size if the scale changed.
if (scale != window->wl.scale)
if (window->wl.scale != maxScale)
{
window->wl.scale = scale;
wl_surface_set_buffer_scale(window->wl.surface, scale);
window->wl.scale = maxScale;
wl_surface_set_buffer_scale(window->wl.surface, maxScale);
resizeWindow(window);
}
}
@@ -833,8 +879,28 @@ static void incrementCursorImage(_GLFWwindow* window)
}
}
static void handleEvents(int timeout)
static GLFWbool flushDisplay(void)
{
while (wl_display_flush(_glfw.wl.display) == -1)
{
if (errno != EAGAIN)
return GLFW_FALSE;
struct pollfd fd = { wl_display_get_fd(_glfw.wl.display), POLLOUT };
while (poll(&fd, 1, -1) == -1)
{
if (errno != EINTR && errno != EAGAIN)
return GLFW_FALSE;
}
}
return GLFW_TRUE;
}
static void handleEvents(double* timeout)
{
GLFWbool event = GLFW_FALSE;
struct pollfd fds[] =
{
{ wl_display_get_fd(_glfw.wl.display), POLLIN },
@@ -842,30 +908,38 @@ static void handleEvents(int timeout)
{ _glfw.wl.cursorTimerfd, POLLIN },
};
while (wl_display_prepare_read(_glfw.wl.display) != 0)
wl_display_dispatch_pending(_glfw.wl.display);
// If an error other than EAGAIN happens, we have likely been disconnected
// from the Wayland session; try to handle that the best we can.
if (wl_display_flush(_glfw.wl.display) < 0 && errno != EAGAIN)
while (!event)
{
_GLFWwindow* window = _glfw.windowListHead;
while (window)
while (wl_display_prepare_read(_glfw.wl.display) != 0)
wl_display_dispatch_pending(_glfw.wl.display);
// If an error other than EAGAIN happens, we have likely been disconnected
// from the Wayland session; try to handle that the best we can.
if (!flushDisplay())
{
_glfwInputWindowCloseRequest(window);
window = window->next;
wl_display_cancel_read(_glfw.wl.display);
_GLFWwindow* window = _glfw.windowListHead;
while (window)
{
_glfwInputWindowCloseRequest(window);
window = window->next;
}
return;
}
wl_display_cancel_read(_glfw.wl.display);
return;
}
if (!waitForData(fds, 3, timeout))
{
wl_display_cancel_read(_glfw.wl.display);
return;
}
if (poll(fds, 3, timeout) > 0)
{
if (fds[0].revents & POLLIN)
{
wl_display_read_events(_glfw.wl.display);
wl_display_dispatch_pending(_glfw.wl.display);
if (wl_display_dispatch_pending(_glfw.wl.display) > 0)
event = GLFW_TRUE;
}
else
wl_display_cancel_read(_glfw.wl.display);
@@ -886,6 +960,8 @@ static void handleEvents(int timeout)
_glfwInputTextWayland(_glfw.wl.keyboardFocus,
_glfw.wl.keyboardLastScancode);
}
event = GLFW_TRUE;
}
}
@@ -894,11 +970,12 @@ static void handleEvents(int timeout)
uint64_t repeats;
if (read(_glfw.wl.cursorTimerfd, &repeats, sizeof(repeats)) == 8)
{
incrementCursorImage(_glfw.wl.pointerFocus);
event = GLFW_TRUE;
}
}
}
else
wl_display_cancel_read(_glfw.wl.display);
}
//////////////////////////////////////////////////////////////////////////
@@ -1288,22 +1365,24 @@ GLFWbool _glfwPlatformRawMouseMotionSupported(void)
void _glfwPlatformPollEvents(void)
{
handleEvents(0);
double timeout = 0.0;
handleEvents(&timeout);
}
void _glfwPlatformWaitEvents(void)
{
handleEvents(-1);
handleEvents(NULL);
}
void _glfwPlatformWaitEventsTimeout(double timeout)
{
handleEvents((int) (timeout * 1e3));
handleEvents(&timeout);
}
void _glfwPlatformPostEmptyEvent(void)
{
wl_display_sync(_glfw.wl.display);
flushDisplay();
}
void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
@@ -1793,7 +1872,7 @@ static GLFWbool growClipboardString(void)
clipboard = realloc(clipboard, _glfw.wl.clipboardSize * 2);
if (!clipboard)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
_glfwInputError(GLFW_OUT_OF_MEMORY,
"Wayland: Impossible to grow clipboard string");
return GLFW_FALSE;
}
@@ -1828,9 +1907,9 @@ const char* _glfwPlatformGetClipboardString(void)
close(fds[1]);
// XXX: this is a huge hack, this function shouldn’t be synchronous!
handleEvents(-1);
handleEvents(NULL);
while (1)
for (;;)
{
// Grow the clipboard if we need to paste something bigger, there is no
// shrink operation yet.