diff options
Diffstat (limited to 'core/java/android/widget/AutoCompleteTextView.java')
| -rw-r--r-- | core/java/android/widget/AutoCompleteTextView.java | 90 |
1 files changed, 80 insertions, 10 deletions
diff --git a/core/java/android/widget/AutoCompleteTextView.java b/core/java/android/widget/AutoCompleteTextView.java index 5dd3ec4..70749d1 100644 --- a/core/java/android/widget/AutoCompleteTextView.java +++ b/core/java/android/widget/AutoCompleteTextView.java @@ -80,6 +80,7 @@ import com.android.internal.R; * @attr ref android.R.styleable#AutoCompleteTextView_dropDownSelector * @attr ref android.R.styleable#AutoCompleteTextView_dropDownAnchor * @attr ref android.R.styleable#AutoCompleteTextView_dropDownWidth + * @attr ref android.R.styleable#AutoCompleteTextView_dropDownHeight */ public class AutoCompleteTextView extends EditText implements Filter.FilterListener { static final boolean DEBUG = false; @@ -101,6 +102,7 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe private int mDropDownAnchorId; private View mDropDownAnchorView; // view is retrieved lazily from id once needed private int mDropDownWidth; + private int mDropDownHeight; private Drawable mDropDownListHighlight; @@ -166,6 +168,8 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe // (for full screen width) or WRAP_CONTENT (to match the width of the anchored view). mDropDownWidth = a.getLayoutDimension(R.styleable.AutoCompleteTextView_dropDownWidth, ViewGroup.LayoutParams.WRAP_CONTENT); + mDropDownHeight = a.getLayoutDimension(R.styleable.AutoCompleteTextView_dropDownHeight, + ViewGroup.LayoutParams.WRAP_CONTENT); mHintResource = a.getResourceId(R.styleable.AutoCompleteTextView_completionHintView, R.layout.simple_dropdown_hint); @@ -254,6 +258,34 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe public void setDropDownWidth(int width) { mDropDownWidth = width; } + + /** + * <p>Returns the current height for the auto-complete drop down list. This can + * be a fixed height, or {@link ViewGroup.LayoutParams#FILL_PARENT} to fill + * the screen, or {@link ViewGroup.LayoutParams#WRAP_CONTENT} to fit the height + * of the drop down's content.</p> + * + * @return the height for the drop down list + * + * @attr ref android.R.styleable#AutoCompleteTextView_dropDownHeight + */ + public int getDropDownHeight() { + return mDropDownHeight; + } + + /** + * <p>Sets the current height for the auto-complete drop down list. This can + * be a fixed height, or {@link ViewGroup.LayoutParams#FILL_PARENT} to fill + * the screen, or {@link ViewGroup.LayoutParams#WRAP_CONTENT} to fit the height + * of the drop down's content.</p> + * + * @param height the height to use + * + * @attr ref android.R.styleable#AutoCompleteTextView_dropDownHeight + */ + public void setDropDownHeight(int height) { + mDropDownHeight = height; + } /** * <p>Returns the id for the view that the auto-complete drop down list is anchored to.</p> @@ -635,7 +667,7 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe // event to prevent focus from moving. clearListSelection(); mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED); - mPopup.update(); + showDropDown(); return true; } else { // WARNING: Please read the comment where mListSelectionHidden @@ -655,7 +687,7 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe // by ensuring it has focus and getting its window out // of touch mode. mDropDownList.requestFocusFromTouch(); - mPopup.update(); + showDropDown(); switch (keyCode) { // avoid passing the focus from the text view to the @@ -1052,8 +1084,13 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe */ public void showDropDown() { int height = buildDropDown(); + + int widthSpec = 0; + int heightSpec = 0; + + boolean noInputMethod = mPopup.getInputMethodMode() == PopupWindow.INPUT_METHOD_NOT_NEEDED; + if (mPopup.isShowing()) { - int widthSpec; if (mDropDownWidth == ViewGroup.LayoutParams.FILL_PARENT) { // The call to PopupWindow's update method below can accept -1 for any // value you do not want to update. @@ -1063,20 +1100,51 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe } else { widthSpec = mDropDownWidth; } + + if (mDropDownHeight == ViewGroup.LayoutParams.FILL_PARENT) { + // The call to PopupWindow's update method below can accept -1 for any + // value you do not want to update. + heightSpec = noInputMethod ? height : ViewGroup.LayoutParams.FILL_PARENT; + if (noInputMethod) { + mPopup.setWindowLayoutMode( + mDropDownWidth == ViewGroup.LayoutParams.FILL_PARENT ? + ViewGroup.LayoutParams.FILL_PARENT : 0, 0); + } else { + mPopup.setWindowLayoutMode( + mDropDownWidth == ViewGroup.LayoutParams.FILL_PARENT ? + ViewGroup.LayoutParams.FILL_PARENT : 0, + ViewGroup.LayoutParams.FILL_PARENT); + } + } else if (mDropDownHeight == ViewGroup.LayoutParams.WRAP_CONTENT) { + heightSpec = height; + } else { + heightSpec = mDropDownHeight; + } + mPopup.update(getDropDownAnchorView(), mDropDownHorizontalOffset, - mDropDownVerticalOffset, widthSpec, height); + mDropDownVerticalOffset, widthSpec, heightSpec); } else { if (mDropDownWidth == ViewGroup.LayoutParams.FILL_PARENT) { - mPopup.setWindowLayoutMode(ViewGroup.LayoutParams.FILL_PARENT, 0); + widthSpec = ViewGroup.LayoutParams.FILL_PARENT; } else { - mPopup.setWindowLayoutMode(0, 0); if (mDropDownWidth == ViewGroup.LayoutParams.WRAP_CONTENT) { mPopup.setWidth(getDropDownAnchorView().getWidth()); } else { mPopup.setWidth(mDropDownWidth); } } - mPopup.setHeight(height); + + if (mDropDownHeight == ViewGroup.LayoutParams.FILL_PARENT) { + heightSpec = ViewGroup.LayoutParams.FILL_PARENT; + } else { + if (mDropDownHeight == ViewGroup.LayoutParams.WRAP_CONTENT) { + mPopup.setHeight(height); + } else { + mPopup.setHeight(mDropDownHeight); + } + } + + mPopup.setWindowLayoutMode(widthSpec, heightSpec); mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED); // use outside touchable to dismiss drop down when touching outside of it, so @@ -1195,10 +1263,12 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe final int maxHeight = mPopup.getMaxAvailableHeight( getDropDownAnchorView(), mDropDownVerticalOffset, ignoreBottomDecorations); - final int measuredHeight = mDropDownList.measureHeightOfChildren(MeasureSpec.UNSPECIFIED, - 0, ListView.NO_POSITION, maxHeight - otherHeights, 2) + otherHeights; + if (mDropDownAlwaysVisible) { + return maxHeight; + } - return mDropDownAlwaysVisible ? maxHeight : measuredHeight; + return mDropDownList.measureHeightOfChildren(MeasureSpec.UNSPECIFIED, + 0, ListView.NO_POSITION, maxHeight - otherHeights, 2) + otherHeights; } private View getHintView(Context context) { |