Auto text sizing using fraction of key height

Bug: 4411676
Change-Id: I8f289dcebe577d277fe2ad6a8331d59f735cbada
main
Tadashi G. Takaoka 2011-05-12 23:49:19 +09:00
parent 13e6725a78
commit d157834345
7 changed files with 43 additions and 22 deletions

View File

@ -29,6 +29,9 @@
<dimen name="keyboard_top_padding">0.0in</dimen> <dimen name="keyboard_top_padding">0.0in</dimen>
<dimen name="keyboard_bottom_padding">0.0in</dimen> <dimen name="keyboard_bottom_padding">0.0in</dimen>
<dimen name="keyboard_horizontal_edges_padding">0.0in</dimen> <dimen name="keyboard_horizontal_edges_padding">0.0in</dimen>
<fraction name="key_letter_ratio">55%</fraction>
<fraction name="key_label_text_ratio">35%</fraction>
<fraction name="key_preview_text_ratio">90%</fraction>
<dimen name="candidate_strip_height">38dip</dimen> <dimen name="candidate_strip_height">38dip</dimen>
<dimen name="candidate_strip_fading_edge_length">63dip</dimen> <dimen name="candidate_strip_fading_edge_length">63dip</dimen>
<dimen name="spacebar_vertical_correction">2dip</dimen> <dimen name="spacebar_vertical_correction">2dip</dimen>

View File

@ -30,8 +30,8 @@
<dimen name="keyboard_bottom_padding">0.0mm</dimen> <dimen name="keyboard_bottom_padding">0.0mm</dimen>
<dimen name="keyboard_horizontal_edges_padding">0.0mm</dimen> <dimen name="keyboard_horizontal_edges_padding">0.0mm</dimen>
<dimen name="key_letter_size">28dip</dimen> <fraction name="key_letter_ratio">30.7%</fraction>
<dimen name="key_label_text_size">20dip</dimen> <fraction name="key_label_text_ratio">21.9%</fraction>
<!-- left or right padding of label alignment --> <!-- left or right padding of label alignment -->
<dimen name="key_label_horizontal_alignment_padding">18dip</dimen> <dimen name="key_label_horizontal_alignment_padding">18dip</dimen>
<dimen name="key_preview_height_holo">26.5mm</dimen> <dimen name="key_preview_height_holo">26.5mm</dimen>

View File

@ -37,11 +37,11 @@
<!-- popup_key_height x -1.0 --> <!-- popup_key_height x -1.0 -->
<dimen name="mini_keyboard_vertical_correction">-13.0mm</dimen> <dimen name="mini_keyboard_vertical_correction">-13.0mm</dimen>
<dimen name="key_letter_size">26dip</dimen> <fraction name="key_letter_ratio">34.4%</fraction>
<dimen name="key_label_text_size">16dip</dimen> <fraction name="key_label_text_ratio">21.2%</fraction>
<!-- left or right padding of label alignment --> <!-- left or right padding of label alignment -->
<dimen name="key_label_horizontal_alignment_padding">6dip</dimen> <dimen name="key_label_horizontal_alignment_padding">6dip</dimen>
<dimen name="key_preview_text_size_large">24dip</dimen> <fraction name="key_preview_text_ratio">26.3%</fraction>
<dimen name="key_preview_height_holo">23.0mm</dimen> <dimen name="key_preview_height_holo">23.0mm</dimen>
<dimen name="key_preview_offset_holo">8.0mm</dimen> <dimen name="key_preview_offset_holo">8.0mm</dimen>

View File

@ -25,11 +25,13 @@
checkable+checked+pressed. --> checkable+checked+pressed. -->
<attr name="keyBackground" format="reference" /> <attr name="keyBackground" format="reference" />
<!-- Size of the text for one letter character keys. --> <!-- Size of the text for one letter character keys, in the proportion of key height.
<attr name="keyLetterSize" format="dimension" /> -->
<attr name="keyLetterRatio" format="float" />
<!-- Size of the text for custom keys with some text and no icon. --> <!-- Size of the text for custom keys with some text and no icon, in the proportion of key
<attr name="labelTextSize" format="dimension" /> height. -->
<attr name="labelTextRatio" format="float" />
<!-- Color to use for the label in a key. --> <!-- Color to use for the label in a key. -->
<attr name="keyTextColor" format="color" /> <attr name="keyTextColor" format="color" />

View File

@ -43,14 +43,13 @@
to user's finger. --> to user's finger. -->
<dimen name="keyboard_vertical_correction">-0.05in</dimen> <dimen name="keyboard_vertical_correction">-0.05in</dimen>
<!-- TODO: use fraction for key letter size and etc. --> <fraction name="key_letter_ratio">45%</fraction>
<dimen name="key_letter_size">21dip</dimen> <fraction name="key_label_text_ratio">29%</fraction>
<dimen name="key_label_text_size">13dip</dimen>
<!-- left or right padding of label alignment --> <!-- left or right padding of label alignment -->
<dimen name="key_label_horizontal_alignment_padding">21dip</dimen> <dimen name="key_label_horizontal_alignment_padding">21dip</dimen>
<dimen name="key_preview_height">80sp</dimen> <dimen name="key_preview_height">80sp</dimen>
<dimen name="key_preview_offset">0.000in</dimen> <dimen name="key_preview_offset">0.000in</dimen>
<dimen name="key_preview_text_size_large">36sp</dimen> <fraction name="key_preview_text_ratio">82%</fraction>
<dimen name="key_preview_height_holo">130sp</dimen> <dimen name="key_preview_height_holo">130sp</dimen>
<dimen name="key_preview_offset_holo">0.193in</dimen> <dimen name="key_preview_offset_holo">0.193in</dimen>

View File

@ -19,14 +19,14 @@
<item name="android:background">@drawable/keyboard_background</item> <item name="android:background">@drawable/keyboard_background</item>
<item name="keyBackground">@drawable/btn_keyboard_key</item> <item name="keyBackground">@drawable/btn_keyboard_key</item>
<item name="keyLetterSize">@dimen/key_letter_size</item> <item name="keyLetterRatio">@fraction/key_letter_ratio</item>
<item name="keyLetterStyle">normal</item> <item name="keyLetterStyle">normal</item>
<item name="keyTextColor">#FFFFFFFF</item> <item name="keyTextColor">#FFFFFFFF</item>
<item name="keyTextColorDisabled">#FFFFFFFF</item> <item name="keyTextColorDisabled">#FFFFFFFF</item>
<item name="keyPreviewLayout">@layout/key_preview</item> <item name="keyPreviewLayout">@layout/key_preview</item>
<item name="keyPreviewOffset">@dimen/key_preview_offset</item> <item name="keyPreviewOffset">@dimen/key_preview_offset</item>
<item name="keyPreviewHeight">@dimen/key_preview_height</item> <item name="keyPreviewHeight">@dimen/key_preview_height</item>
<item name="labelTextSize">@dimen/key_label_text_size</item> <item name="labelTextRatio">@fraction/key_label_text_ratio</item>
<item name="popupLayout">@layout/keyboard_popup</item> <item name="popupLayout">@layout/keyboard_popup</item>
<item name="keyHysteresisDistance">@dimen/key_hysteresis_distance</item> <item name="keyHysteresisDistance">@dimen/key_hysteresis_distance</item>
<item name="verticalCorrection">@dimen/keyboard_vertical_correction</item> <item name="verticalCorrection">@dimen/keyboard_vertical_correction</item>

View File

@ -86,10 +86,12 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
private static final int HINT_ICON_VERTICAL_ADJUSTMENT_PIXEL = -1; private static final int HINT_ICON_VERTICAL_ADJUSTMENT_PIXEL = -1;
// XML attribute // XML attribute
private float mKeyLetterRatio;
private int mKeyLetterSize; private int mKeyLetterSize;
private int mKeyTextColor; private int mKeyTextColor;
private int mKeyTextColorDisabled; private int mKeyTextColorDisabled;
private Typeface mKeyLetterStyle = Typeface.DEFAULT; private Typeface mKeyLetterStyle = Typeface.DEFAULT;
private float mLabelTextRatio;
private int mLabelTextSize; private int mLabelTextSize;
private int mColorScheme = COLOR_SCHEME_WHITE; private int mColorScheme = COLOR_SCHEME_WHITE;
private int mShadowColor; private int mShadowColor;
@ -108,7 +110,8 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
// Key preview // Key preview
private boolean mInForeground; private boolean mInForeground;
private TextView mPreviewText; private TextView mPreviewText;
private int mPreviewTextSizeLarge; private float mPreviewTextRatio;
private int mPreviewTextSize;
private boolean mShowKeyPreview = true; private boolean mShowKeyPreview = true;
private int mKeyPreviewDisplayedY; private int mKeyPreviewDisplayedY;
private final int mDelayBeforePreview; private final int mDelayBeforePreview;
@ -327,8 +330,8 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
case R.styleable.KeyboardView_keyPreviewHeight: case R.styleable.KeyboardView_keyPreviewHeight:
mPreviewHeight = a.getDimensionPixelSize(attr, 80); mPreviewHeight = a.getDimensionPixelSize(attr, 80);
break; break;
case R.styleable.KeyboardView_keyLetterSize: case R.styleable.KeyboardView_keyLetterRatio:
mKeyLetterSize = a.getDimensionPixelSize(attr, 18); mKeyLetterRatio = getRatio(a, attr);
break; break;
case R.styleable.KeyboardView_keyTextColor: case R.styleable.KeyboardView_keyTextColor:
mKeyTextColor = a.getColor(attr, 0xFF000000); mKeyTextColor = a.getColor(attr, 0xFF000000);
@ -336,8 +339,8 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
case R.styleable.KeyboardView_keyTextColorDisabled: case R.styleable.KeyboardView_keyTextColorDisabled:
mKeyTextColorDisabled = a.getColor(attr, 0xFF000000); mKeyTextColorDisabled = a.getColor(attr, 0xFF000000);
break; break;
case R.styleable.KeyboardView_labelTextSize: case R.styleable.KeyboardView_labelTextRatio:
mLabelTextSize = a.getDimensionPixelSize(attr, 14); mLabelTextRatio = getRatio(a, attr);
break; break;
case R.styleable.KeyboardView_popupLayout: case R.styleable.KeyboardView_popupLayout:
mPopupLayout = a.getResourceId(attr, 0); mPopupLayout = a.getResourceId(attr, 0);
@ -365,7 +368,7 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
if (previewLayout != 0) { if (previewLayout != 0) {
mPreviewText = (TextView) LayoutInflater.from(context).inflate(previewLayout, null); mPreviewText = (TextView) LayoutInflater.from(context).inflate(previewLayout, null);
mPreviewTextSizeLarge = (int) res.getDimension(R.dimen.key_preview_text_size_large); mPreviewTextRatio = getRatio(res, R.fraction.key_preview_text_ratio);
} else { } else {
mShowKeyPreview = false; mShowKeyPreview = false;
} }
@ -460,6 +463,16 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
mKeyRepeatInterval = res.getInteger(R.integer.config_key_repeat_interval); mKeyRepeatInterval = res.getInteger(R.integer.config_key_repeat_interval);
} }
// Read fraction value in TypedArray as float.
private static float getRatio(TypedArray a, int index) {
return a.getFraction(index, 1000, 1000, 1) / 1000.0f;
}
// Read fraction value in resource as float.
private static float getRatio(Resources res, int id) {
return res.getFraction(id, 1000, 1000) / 1000.0f;
}
public void startIgnoringDoubleTap() { public void startIgnoringDoubleTap() {
if (ENABLE_CAPSLOCK_BY_DOUBLETAP) if (ENABLE_CAPSLOCK_BY_DOUBLETAP)
mHandler.startIgnoringDoubleTap(); mHandler.startIgnoringDoubleTap();
@ -506,6 +519,10 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
invalidateAllKeys(); invalidateAllKeys();
mKeyDetector.setProximityThreshold(keyboard.getMostCommonKeyWidth()); mKeyDetector.setProximityThreshold(keyboard.getMostCommonKeyWidth());
mPopupPanelCache.clear(); mPopupPanelCache.clear();
final int keyHeight = keyboard.getRowHeight() - keyboard.getVerticalGap();
mKeyLetterSize = (int)(keyHeight * mKeyLetterRatio);
mLabelTextSize = (int)(keyHeight * mLabelTextRatio);
mPreviewTextSize = (int)(keyHeight * mPreviewTextRatio);
} }
/** /**
@ -938,7 +955,7 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mKeyLetterSize); previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mKeyLetterSize);
previewText.setTypeface(Typeface.DEFAULT_BOLD); previewText.setTypeface(Typeface.DEFAULT_BOLD);
} else { } else {
previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mPreviewTextSizeLarge); previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mPreviewTextSize);
previewText.setTypeface(mKeyLetterStyle); previewText.setTypeface(mKeyLetterStyle);
} }
} else { } else {