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Fixed bug 4246 - Android: orientation between portrait<->landscape doesn't work 

Improve handling of landscape/portrait orientation. Promote to SCREEN_ORIENTATION_SENSOR_* when needed.
Android window can be somehow resizable.
If SDL_WINDOW_RESIZABLE is set, window size change is allowed, for instance when orientation changes (provided the hint allows it).
This commit is contained in:
Sylvain Becker 2020-01-17 12:04:18 +01:00
parent a8780c6a28
commit d52ba78b29
2 changed files with 43 additions and 21 deletions
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63
android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
View File

@ -817,39 +817,62 @@ public class SDLActivity extends Activity implements View.OnSystemUiVisibilityCh
*/
public void setOrientationBis(int w, int h, boolean resizable, String hint)
{
int orientation = -1;
int orientation_landscape = -1;
int orientation_portrait = -1;
/* If set, hint "explicitly controls which UI orientations are allowed". */
if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft")) {
orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
orientation_landscape = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
} else if (hint.contains("LandscapeRight")) {
orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
orientation_landscape = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
} else if (hint.contains("LandscapeLeft")) {
orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
} else if (hint.contains("Portrait") && hint.contains("PortraitUpsideDown")) {
orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
} else if (hint.contains("Portrait")) {
orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
} else if (hint.contains("PortraitUpsideDown")) {
orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
orientation_landscape = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
}
/* no valid hint */
if (orientation == -1) {
if (hint.contains("Portrait") && hint.contains("PortraitUpsideDown")) {
orientation_portrait = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
} else if (hint.contains("Portrait")) {
orientation_portrait = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
} else if (hint.contains("PortraitUpsideDown")) {
orientation_portrait = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
}
boolean is_landscape_allowed = (orientation_landscape == -1 ? false : true);
boolean is_portrait_allowed = (orientation_portrait == -1 ? false : true);
int req = -1; /* Requested orientation */
/* No valid hint, nothing is explicitly allowed */
if (!is_portrait_allowed && !is_landscape_allowed) {
if (resizable) {
/* no fixed orientation */
/* All orientations are allowed */
req = ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR;
} else {
if (w > h) {
orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
/* Fixed window and nothing specified. Get orientation from w/h of created window */
req = (w > h ? ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE : ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT);
}
} else {
/* At least one orientation is allowed */
if (resizable) {
if (is_portrait_allowed && is_landscape_allowed) {
/* hint allows both landscape and portrait, promote to full sensor */
req = ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR;
} else {
orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
/* Use the only one allowed "orientation" */
req = (is_landscape_allowed ? orientation_landscape : orientation_portrait);
}
} else {
/* Fixed window and both orientations are allowed. Choose one. */
if (is_portrait_allowed && is_landscape_allowed) {
req = (w > h ? orientation_landscape : orientation_portrait);
} else {
/* Use the only one allowed "orientation" */
req = (is_landscape_allowed ? orientation_landscape : orientation_portrait);
}
}
}
Log.v("SDL", "setOrientation() orientation=" + orientation + " width=" + w +" height="+ h +" resizable=" + resizable + " hint=" + hint);
if (orientation != -1) {
mSingleton.setRequestedOrientation(orientation);
}
Log.v("SDL", "setOrientation() requestedOrientation=" + req + " width=" + w +" height="+ h +" resizable=" + resizable + " hint=" + hint);
mSingleton.setRequestedOrientation(req);
}
/**

1
src/video/android/SDL_androidwindow.c
View File

@ -58,7 +58,6 @@ Android_CreateWindow(_THIS, SDL_Window * window)
window->w = Android_SurfaceWidth;
window->h = Android_SurfaceHeight;
window->flags &= ~SDL_WINDOW_RESIZABLE; /* window is NEVER resizeable */
window->flags &= ~SDL_WINDOW_HIDDEN;
window->flags |= SDL_WINDOW_SHOWN; /* only one window on Android */