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backport x11/sdl2 fixes

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4b1378f

X11: fix size/position (test video_setWindowCenteredOnDisplay)

this fix x11 backend to correctly pass video_setWindowCenteredOnDisplay()

    get border values early (eg status bar)
    wait for size/position change to get valid values

d4d26e0

testautomation_video: if SDL_SetWindowSize/Position isn't honored, we should check there is an event
x11: send the events if various occasions
This commit is contained in:
Sylvain
2023-03-25 10:24:38 +01:00
committed by Sylvain Becker
parent 45a6ad8e57
commit 2dddaa7dc9
5 changed files with 145 additions and 37 deletions
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43
src/video/x11/SDL_x11events.c
View File

@@ -755,6 +755,31 @@ static int XLookupStringAsUTF8(XKeyEvent *event_struct, char *buffer_return, int
return result;
}
void X11_GetBorderValues(void /* SDL_WindowData */ *data_)
{
SDL_WindowData *data = (SDL_WindowData *)data_;
SDL_VideoData *videodata = data->videodata;
Display *display = videodata->display;
Atom type;
int format;
unsigned long nitems, bytes_after;
unsigned char *property;
if (X11_XGetWindowProperty(display, data->xwindow, videodata->_NET_FRAME_EXTENTS, 0, 16, 0, XA_CARDINAL, &type, &format, &nitems, &bytes_after, &property) == Success) {
if (type != None && nitems == 4) {
data->border_left = (int)((long *)property)[0];
data->border_right = (int)((long *)property)[1];
data->border_top = (int)((long *)property)[2];
data->border_bottom = (int)((long *)property)[3];
}
X11_XFree(property);
#ifdef DEBUG_XEVENTS
printf("New _NET_FRAME_EXTENTS: left=%d right=%d, top=%d, bottom=%d\n", data->border_left, data->border_right, data->border_top, data->border_bottom);
#endif
}
}
static void X11_DispatchEvent(_THIS, XEvent *xevent)
{
SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
@@ -1490,23 +1515,7 @@ static void X11_DispatchEvent(_THIS, XEvent *xevent)
right approach, but it seems to work. */
X11_UpdateKeymap(_this, SDL_TRUE);
} else if (xevent->xproperty.atom == videodata->_NET_FRAME_EXTENTS) {
Atom type;
int format;
unsigned long nitems, bytes_after;
unsigned char *property;
if (X11_XGetWindowProperty(display, data->xwindow, videodata->_NET_FRAME_EXTENTS, 0, 16, 0, XA_CARDINAL, &type, &format, &nitems, &bytes_after, &property) == Success) {
if (type != None && nitems == 4) {
data->border_left = (int)((long *)property)[0];
data->border_right = (int)((long *)property)[1];
data->border_top = (int)((long *)property)[2];
data->border_bottom = (int)((long *)property)[3];
}
X11_XFree(property);
#ifdef DEBUG_XEVENTS
printf("New _NET_FRAME_EXTENTS: left=%d right=%d, top=%d, bottom=%d\n", data->border_left, data->border_right, data->border_top, data->border_bottom);
#endif
}
X11_GetBorderValues(data);
}
} break;

1
src/video/x11/SDL_x11events.h
View File

@@ -28,6 +28,7 @@ extern int X11_WaitEventTimeout(_THIS, int timeout);
extern void X11_SendWakeupEvent(_THIS, SDL_Window *window);
extern void X11_SuspendScreenSaver(_THIS);
extern void X11_ReconcileKeyboardState(_THIS);
extern void X11_GetBorderValues(void /*SDL_WindowData*/ *data);
#endif /* SDL_x11events_h_ */

65
src/video/x11/SDL_x11window.c
View File

@@ -797,6 +797,7 @@ void X11_SetWindowPosition(_THIS, SDL_Window *window)
Window childReturn, root, parent;
Window *children;
XWindowAttributes attrs;
int x, y;
int orig_x, orig_y;
Uint32 timeout;
@@ -816,8 +817,6 @@ void X11_SetWindowPosition(_THIS, SDL_Window *window)
timeout = SDL_GetTicks() + 100;
while (SDL_TRUE) {
int x, y;
caught_x11_error = SDL_FALSE;
X11_XSync(display, False);
X11_XGetWindowAttributes(display, data->xwindow, &attrs);
@@ -826,8 +825,6 @@ void X11_SetWindowPosition(_THIS, SDL_Window *window)
if (!caught_x11_error) {
if ((x != orig_x) || (y != orig_y)) {
window->x = x;
window->y = y;
break; /* window moved, time to go. */
} else if ((x == window->x) && (y == window->y)) {
break; /* we're at the place we wanted to be anyhow, drop out. */
@@ -841,6 +838,11 @@ void X11_SetWindowPosition(_THIS, SDL_Window *window)
SDL_Delay(10);
}
if (!caught_x11_error) {
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, attrs.width, attrs.height);
}
X11_XSetErrorHandler(prev_handler);
caught_x11_error = SDL_FALSE;
}
@@ -970,8 +972,6 @@ void X11_SetWindowSize(_THIS, SDL_Window *window)
if (!caught_x11_error) {
if ((attrs.width != orig_w) || (attrs.height != orig_h)) {
window->w = attrs.width;
window->h = attrs.height;
break; /* window changed, time to go. */
} else if ((attrs.width == window->w) && (attrs.height == window->h)) {
break; /* we're at the place we wanted to be anyhow, drop out. */
@@ -980,15 +980,24 @@ void X11_SetWindowSize(_THIS, SDL_Window *window)
if (SDL_TICKS_PASSED(SDL_GetTicks(), timeout)) {
/* Timeout occurred and window size didn't change
* window manager likely denied the resize. */
window->w = orig_w;
window->h = orig_h;
* window manager likely denied the resize,
* or the new size is the same as the existing:
* - current width: is 'full width'.
* - try to set new width at 'full width + 1', which get truncated to 'full width'.
* - new width is/remains 'full width'
* So, even if we break here as a timeout, we can send an event, since the requested size isn't the same
* as the final size. (even if final size is same as original size).
*/
break;
}
SDL_Delay(10);
}
if (!caught_x11_error) {
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, attrs.width, attrs.height);
}
X11_XSetErrorHandler(prev_handler);
caught_x11_error = SDL_FALSE;
}
@@ -1170,6 +1179,11 @@ void X11_ShowWindow(_THIS, SDL_Window *window)
X11_XSetInputFocus(display, data->xwindow, RevertToNone, CurrentTime);
X11_XFlush(display);
}
/* Get some valid border values, if we haven't them yet */
if (data->border_left == 0 && data->border_right == 0 && data->border_top == 0 && data->border_bottom == 0) {
X11_GetBorderValues(data);
}
}
void X11_HideWindow(_THIS, SDL_Window *window)
@@ -1305,6 +1319,8 @@ static void X11_SetWindowFullscreenViaWM(_THIS, SDL_Window *window, SDL_VideoDis
Display *display = data->videodata->display;
Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
Atom _NET_WM_STATE_FULLSCREEN = data->videodata->_NET_WM_STATE_FULLSCREEN;
SDL_bool window_size_changed = SDL_FALSE;
int window_position_changed = 0;
if (X11_IsWindowMapped(_this, window)) {
XEvent e;
@@ -1314,6 +1330,7 @@ static void X11_SetWindowFullscreenViaWM(_THIS, SDL_Window *window, SDL_VideoDis
Window childReturn, root, parent;
Window *children;
XWindowAttributes attrs;
int x, y;
int orig_w, orig_h, orig_x, orig_y;
Uint64 timeout;
@@ -1378,6 +1395,16 @@ static void X11_SetWindowFullscreenViaWM(_THIS, SDL_Window *window, SDL_VideoDis
SubstructureNotifyMask | SubstructureRedirectMask, &e);
}
if (!fullscreen) {
int dest_x = 0, dest_y = 0;
dest_x = window->windowed.x - data->border_left;
dest_y = window->windowed.y - data->border_top;
/* Attempt to move the window */
X11_XMoveWindow(display, data->xwindow, dest_x, dest_y);
}
/* Wait a brief time to see if the window manager decided to let this happen.
If the window changes at all, even to an unexpected value, we break out. */
X11_XSync(display, False);
@@ -1385,7 +1412,6 @@ static void X11_SetWindowFullscreenViaWM(_THIS, SDL_Window *window, SDL_VideoDis
timeout = SDL_GetTicks64() + 100;
while (SDL_TRUE) {
int x, y;
caught_x11_error = SDL_FALSE;
X11_XSync(display, False);
@@ -1394,18 +1420,20 @@ static void X11_SetWindowFullscreenViaWM(_THIS, SDL_Window *window, SDL_VideoDis
attrs.x, attrs.y, &x, &y, &childReturn);
if (!caught_x11_error) {
SDL_bool window_changed = SDL_FALSE;
if ((x != orig_x) || (y != orig_y)) {
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, x, y);
window_changed = SDL_TRUE;
orig_x = x;
orig_y = y;
window_position_changed += 1;
}
if ((attrs.width != orig_w) || (attrs.height != orig_h)) {
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, attrs.width, attrs.height);
window_changed = SDL_TRUE;
orig_w = attrs.width;
orig_h = attrs.height;
window_size_changed = SDL_TRUE;
}
if (window_changed) {
/* Wait for at least 2 moves + 1 size changed to have valid values */
if (window_position_changed >= 2 && window_size_changed) {
break; /* window changed, time to go. */
}
}
@@ -1417,6 +1445,11 @@ static void X11_SetWindowFullscreenViaWM(_THIS, SDL_Window *window, SDL_VideoDis
SDL_Delay(10);
}
if (!caught_x11_error) {
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, attrs.width, attrs.height);
}
X11_XSetErrorHandler(prev_handler);
caught_x11_error = SDL_FALSE;
} else {