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Align hint label to bottom 

Bug: 14419121
Change-Id: I9147d3c4a3687ed745ffdddfff221d88652919b2
main
Tadashi G. Takaoka 2014-08-07 15:21:39 +09:00
parent 44454c2b2b
commit f1784266ec
4 changed files with 34 additions and 14 deletions
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1
java/res/values/attrs.xml
View File

@ -292,6 +292,7 @@
<!-- The key label flags. -->
<attr name="keyLabelFlags" format="integer">
<!-- This should be aligned with Key.LABEL_FLAGS__* -->
<flag name="alignHintLabelToBottom" value="0x02" />
<flag name="alignIconToBottom" value="0x04" />
<flag name="alignLabelOffCenter" value="0x08" />
<flag name="fontNormal" value="0x10" />

5
java/res/values/themes-lxx.xml
View File

@ -26,9 +26,10 @@
>
<item name="keyTypeface">normal</item>
<item name="keyLargeLetterRatio">@fraction/config_key_large_letter_ratio_lxx</item>
<item name="keyLabelOffCenterRatio">-100%</item>
<item name="keyLabelOffCenterRatio">-80%</item>
<item name="keyHintLabelRatio">@fraction/config_key_hint_label_ratio_lxx</item>
<item name="keyHintLabelOffCenterRatio">400%</item>
<item name="keyHintLabelOffCenterRatio">300%</item>
<item name="keyLabelFlags">alignHintLabelToBottom</item>
<item name="spacebarIconWidthRatio">0.9</item>
<!-- No popup hint letter -->
<item name="keyPopupHintLetter"></item>

5
java/src/com/android/inputmethod/keyboard/Key.java
View File

@ -58,6 +58,7 @@ public class Key implements Comparable<Key> {
private final String mHintLabel;
/** Flags of the label */
private final int mLabelFlags;
private static final int LABEL_FLAGS_ALIGN_HINT_LABEL_TO_BOTTOM = 0x02;
private static final int LABEL_FLAGS_ALIGN_ICON_TO_BOTTOM = 0x04;
private static final int LABEL_FLAGS_ALIGN_LABEL_OFF_CENTER = 0x08;
// Font typeface specification.
@ -641,6 +642,10 @@ public class Key implements Comparable<Key> {
return Typeface.DEFAULT_BOLD;
}
public final boolean isAlignHintLabelToBottom(final int defaultFlags) {
return ((mLabelFlags | defaultFlags) & LABEL_FLAGS_ALIGN_HINT_LABEL_TO_BOTTOM) != 0;
}
public final boolean isAlignIconToBottom() {
return (mLabelFlags & LABEL_FLAGS_ALIGN_ICON_TO_BOTTOM) != 0;
}

37
java/src/com/android/inputmethod/keyboard/KeyboardView.java
View File

@ -48,6 +48,7 @@ import java.util.HashSet;
* @attr ref R.styleable#KeyboardView_functionalKeyBackground
* @attr ref R.styleable#KeyboardView_spacebarBackground
* @attr ref R.styleable#KeyboardView_spacebarIconWidthRatio
* @attr ref R.styleable#Keyboard_Key_keyLabelFlags
* @attr ref R.styleable#KeyboardView_keyHintLetterPadding
* @attr ref R.styleable#KeyboardView_keyPopupHintLetter
* @attr ref R.styleable#KeyboardView_keyPopupHintLetterPadding
@ -62,6 +63,8 @@ import java.util.HashSet;
* @attr ref R.styleable#Keyboard_Key_keyHintLetterRatio
* @attr ref R.styleable#Keyboard_Key_keyShiftedLetterHintRatio
* @attr ref R.styleable#Keyboard_Key_keyHintLabelRatio
* @attr ref R.styleable#Keyboard_Key_keyLabelOffCenterRatio
* @attr ref R.styleable#Keyboard_Key_keyHintLabelOffCenterRatio
* @attr ref R.styleable#Keyboard_Key_keyPreviewTextRatio
* @attr ref R.styleable#Keyboard_Key_keyTextColor
* @attr ref R.styleable#Keyboard_Key_keyTextColorDisabled
@ -75,6 +78,9 @@ import java.util.HashSet;
public class KeyboardView extends View {
// XML attributes
private final KeyVisualAttributes mKeyVisualAttributes;
// Default keyLabelFlags from {@link KeyboardTheme}.
// Currently only "alignHintLabelToBottom" is supported.
private final int mDefaultKeyLabelFlags;
private final float mKeyHintLetterPadding;
private final String mKeyPopupHintLetter;
private final float mKeyPopupHintLetterPadding;
@ -146,6 +152,7 @@ public class KeyboardView extends View {
final TypedArray keyAttr = context.obtainStyledAttributes(attrs,
R.styleable.Keyboard_Key, defStyle, R.style.KeyboardView);
mDefaultKeyLabelFlags = keyAttr.getInt(R.styleable.Keyboard_Key_keyLabelFlags, 0);
mKeyVisualAttributes = KeyVisualAttributes.newInstance(keyAttr);
keyAttr.recycle();
@ -357,7 +364,8 @@ public class KeyboardView extends View {
// Draw key label.
final Drawable icon = key.getIcon(mKeyboard.mIconsSet, params.mAnimAlpha);
float positionX = centerX;
float labelX = centerX;
float labelBaseline = centerY;
final String label = key.getLabel();
if (label != null) {
paint.setTypeface(key.selectTypeface(params));
@ -366,15 +374,15 @@ public class KeyboardView extends View {
final float labelCharWidth = TypefaceUtils.getReferenceCharWidth(paint);
// Vertical label text alignment.
final float baseline = centerY + labelCharHeight / 2.0f;
labelBaseline = centerY + labelCharHeight / 2.0f;
// Horizontal label text alignment
if (key.isAlignLabelOffCenter()) {
// The label is placed off center of the key. Used mainly on "phone number" layout.
positionX = centerX + params.mLabelOffCenterRatio * labelCharWidth;
labelX = centerX + params.mLabelOffCenterRatio * labelCharWidth;
paint.setTextAlign(Align.LEFT);
} else {
positionX = centerX;
labelX = centerX;
paint.setTextAlign(Align.CENTER);
}
if (key.needsAutoXScale()) {
@ -402,7 +410,7 @@ public class KeyboardView extends View {
paint.clearShadowLayer();
}
blendAlpha(paint, params.mAnimAlpha);
canvas.drawText(label, 0, label.length(), positionX, baseline, paint);
canvas.drawText(label, 0, label.length(), labelX, labelBaseline, paint);
// Turn off drop shadow and reset x-scale.
paint.clearShadowLayer();
paint.setTextScaleX(1.0f);
@ -418,19 +426,22 @@ public class KeyboardView extends View {
blendAlpha(paint, params.mAnimAlpha);
final float labelCharHeight = TypefaceUtils.getReferenceCharHeight(paint);
final float labelCharWidth = TypefaceUtils.getReferenceCharWidth(paint);
final float adjustmentY = params.mHintLabelVerticalAdjustment * labelCharHeight;
final float hintX, hintY;
final float hintX, hintBaseline;
if (key.hasHintLabel()) {
// The hint label is placed just right of the key label. Used mainly on
// "phone number" layout.
hintX = positionX + params.mHintLabelOffCenterRatio * labelCharWidth;
hintY = centerY + labelCharHeight / 2.0f;
hintX = labelX + params.mHintLabelOffCenterRatio * labelCharWidth;
if (key.isAlignHintLabelToBottom(mDefaultKeyLabelFlags)) {
hintBaseline = labelBaseline;
} else {
hintBaseline = centerY + labelCharHeight / 2.0f;
}
paint.setTextAlign(Align.LEFT);
} else if (key.hasShiftedLetterHint()) {
// The hint label is placed at top-right corner of the key. Used mainly on tablet.
hintX = keyWidth - mKeyShiftedLetterHintPadding - labelCharWidth / 2.0f;
paint.getFontMetrics(mFontMetrics);
hintY = -mFontMetrics.top;
hintBaseline = -mFontMetrics.top;
paint.setTextAlign(Align.CENTER);
} else { // key.hasHintLetter()
// The hint letter is placed at top-right corner of the key. Used mainly on phone.
@ -438,10 +449,12 @@ public class KeyboardView extends View {
final float hintLabelWidth = TypefaceUtils.getStringWidth(hintLabel, paint);
hintX = keyWidth - mKeyHintLetterPadding
- Math.max(hintDigitWidth, hintLabelWidth) / 2.0f;
hintY = -paint.ascent();
hintBaseline = -paint.ascent();
paint.setTextAlign(Align.CENTER);
}
canvas.drawText(hintLabel, 0, hintLabel.length(), hintX, hintY + adjustmentY, paint);
final float adjustmentY = params.mHintLabelVerticalAdjustment * labelCharHeight;
canvas.drawText(
hintLabel, 0, hintLabel.length(), hintX, hintBaseline + adjustmentY, paint);
}
// Draw key icon.