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Android: selection handle

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Have two selection handle when there is selected text
This commit is contained in:
Olivier Goffart 2024-03-21 17:46:48 +01:00
parent 21b73769a5
commit b46effe65c
4 changed files with 128 additions and 38 deletions
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93
internal/backends/android-activity/java/SlintAndroidJavaHelper.java
View file

@ -28,13 +28,13 @@ class InputHandle extends ImageView {
private SlintInputView mRootView;
private int cursorX;
private int cursorY;
private int attr;
public InputHandle(SlintInputView rootView, int attr) {
super(rootView.getContext());
this.attr = attr;
mRootView = rootView;
Context ctx = rootView.getContext();
// this.mInputView = mInputView;
mPopupWindow = new PopupWindow(ctx, null, android.R.attr.textSelectHandleWindowStyle);
mPopupWindow.setSplitTouchEnabled(true);
mPopupWindow.setClippingEnabled(false);
@ -43,13 +43,6 @@ class InputHandle extends ImageView {
mPopupWindow.setWidth(drawable.getIntrinsicWidth());
mPopupWindow.setHeight(drawable.getIntrinsicHeight());
this.setImageDrawable(drawable);
// mPopupWindow.setBackgroundDrawable(null);
// mPopupWindow.setAnimationStyle(0);
// mPopupWindow.setWindowLayoutType(WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL);
// mPopupWindow.setEnterTransition(null);
// mPopupWindow.setExitTransition(null);
mPopupWindow.setContentView(this);
}
@ -63,7 +56,9 @@ class InputHandle extends ImageView {
}
case MotionEvent.ACTION_MOVE: {
SlintAndroidJavaHelper.moveCursorHandle(0, Math.round(ev.getRawX() - mPressedX),
int id = attr == android.R.attr.textSelectHandleLeft ? 1
: attr == android.R.attr.textSelectHandleRight ? 2 : 0;
SlintAndroidJavaHelper.moveCursorHandle(id, Math.round(ev.getRawX() - mPressedX),
Math.round(ev.getRawY() - mPressedY));
break;
}
@ -79,7 +74,14 @@ class InputHandle extends ImageView {
cursorY = y;
y += mPopupWindow.getHeight();
x -= mPopupWindow.getWidth() / 2;
if (attr == android.R.attr.textSelectHandleLeft) {
x -= 3 * mPopupWindow.getWidth() / 4;
} else if (attr == android.R.attr.textSelectHandleRight) {
x -= mPopupWindow.getWidth() / 4;
} else {
x -= mPopupWindow.getWidth() / 2;
}
mPopupWindow.showAtLocation(mRootView, 0, x, y);
mPopupWindow.update(x, y, -1, -1);
}
@ -116,7 +118,7 @@ class SlintInputView extends View {
@Override
public SpannableStringBuilder replace(int start, int end, CharSequence tb, int tbstart, int tbend) {
super.replace(start, end, tb, tbstart, tbend);
mHandle.hide();
setCursorPos(0, 0, 0, 0, 0);
if (mInBatch == 0) {
update();
} else {
@ -211,22 +213,57 @@ class SlintInputView extends View {
}
}
private InputHandle mHandle;
private InputHandle mCursorHandle;
private InputHandle mLeftHandle;
private InputHandle mRightHandle;
public void setCursorPos(int rect_x, int rect_y, int rect_w, int rect_h, boolean show) {
if (show) {
if (mHandle == null) {
mHandle = new InputHandle(this, android.R.attr.textSelectHandle);
// num_handles: 0=hidden, 1=cursor handle, 2=selection handles
public void setCursorPos(int left_x, int left_y, int right_x, int right_y, int num_handles) {
if (num_handles == 1) {
if (mLeftHandle != null) {
mLeftHandle.hide();
}
if (mRightHandle != null) {
mRightHandle.hide();
}
if (mCursorHandle == null) {
mCursorHandle = new InputHandle(this, android.R.attr.textSelectHandle);
}
mCursorHandle.setPosition(left_x, left_y);
} else if (num_handles == 2) {
if (mLeftHandle == null) {
mLeftHandle = new InputHandle(this, android.R.attr.textSelectHandleLeft);
}
if (mRightHandle == null) {
mRightHandle = new InputHandle(this, android.R.attr.textSelectHandleRight);
}
if (mCursorHandle != null) {
mCursorHandle.hide();
}
mLeftHandle.setPosition(right_x, right_y);
mRightHandle.setPosition(left_x, left_y);
} else {
if (mCursorHandle != null) {
mCursorHandle.hide();
}
if (mLeftHandle != null) {
mLeftHandle.hide();
}
if (mRightHandle != null) {
mRightHandle.hide();
}
mHandle.setPosition(rect_x + rect_w / 2, rect_y + rect_h + 2 * rect_w);
} else if (mHandle != null) {
mHandle.hide();
}
}
public void setHandleColor(int color) {
if (mHandle != null) {
mHandle.setHandleColor(color);
if (mCursorHandle != null) {
mCursorHandle.setHandleColor(color);
}
if (mLeftHandle != null) {
mLeftHandle.setHandleColor(color);
}
if (mRightHandle != null) {
mRightHandle.setHandleColor(color);
}
}
}
@ -277,7 +314,7 @@ public class SlintAndroidJavaHelper {
static public native void moveCursorHandle(int id, int pos_x, int pos_y);
public void set_imm_data(String text, int cursor_position, int anchor_position, int preedit_start, int preedit_end,
int rect_x, int rect_y, int rect_w, int rect_h, int input_type, boolean show_cursor_handles) {
int cur_x, int cur_y, int anchor_x, int anchor_y, int input_type, boolean show_cursor_handles) {
mActivity.runOnUiThread(new Runnable() {
@Override
@ -285,7 +322,15 @@ public class SlintAndroidJavaHelper {
int selStart = Math.min(cursor_position, anchor_position);
int selEnd = Math.max(cursor_position, anchor_position);
mInputView.setText(text, selStart, selEnd, preedit_start, preedit_end, input_type);
mInputView.setCursorPos(rect_x, rect_y, rect_w, rect_h, show_cursor_handles);
int num_handles = 0;
if (show_cursor_handles) {
num_handles = cursor_position == anchor_position ? 1 : 2;
}
if (cursor_position < anchor_position) {
mInputView.setCursorPos(anchor_x, anchor_y, cur_x, cur_y, num_handles);
} else {
mInputView.setCursorPos(cur_x, cur_y, anchor_x, anchor_y, num_handles);
}
}
});