X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2FTLabel.java;h=cc341cfa862964ed9097c425ea4d10b55627ac0c;hb=505be508ae7d3fb48122be548b310a238cfb91eb;hp=69e1efd22b01024e6ca3348c87f325197bd4b1a9;hpb=a69ed767c9c07cf35cf1c5f7821fc009cfe79cd2;p=fanfix.git diff --git a/src/jexer/TLabel.java b/src/jexer/TLabel.java index 69e1efd..cc341cf 100644 --- a/src/jexer/TLabel.java +++ b/src/jexer/TLabel.java @@ -29,9 +29,12 @@ package jexer; import jexer.bits.CellAttributes; +import jexer.bits.MnemonicString; +import jexer.bits.StringUtils; /** - * TLabel implements a simple label. + * TLabel implements a simple label, with an optional mnemonic hotkey action + * associated with it. */ public class TLabel extends TWidget { @@ -40,9 +43,14 @@ public class TLabel extends TWidget { // ------------------------------------------------------------------------ /** - * Label text. + * The shortcut and label. */ - private String label = ""; + private MnemonicString mnemonic; + + /** + * The action to perform when the mnemonic shortcut is pressed. + */ + private TAction action; /** * Label color. @@ -72,6 +80,21 @@ public class TLabel extends TWidget { this(parent, text, x, y, "tlabel"); } + /** + * Public constructor, using the default "tlabel" for colorKey. + * + * @param parent parent widget + * @param text label on the screen + * @param x column relative to parent + * @param y row relative to parent + * @param action to call when shortcut is pressed + */ + public TLabel(final TWidget parent, final String text, final int x, + final int y, final TAction action) { + + this(parent, text, x, y, "tlabel", action); + } + /** * Public constructor. * @@ -87,6 +110,22 @@ public class TLabel extends TWidget { this(parent, text, x, y, colorKey, true); } + /** + * Public constructor. + * + * @param parent parent widget + * @param text label on the screen + * @param x column relative to parent + * @param y row relative to parent + * @param colorKey ColorTheme key color to use for foreground text + * @param action to call when shortcut is pressed + */ + public TLabel(final TWidget parent, final String text, final int x, + final int y, final String colorKey, final TAction action) { + + this(parent, text, x, y, colorKey, true, action); + } + /** * Public constructor. * @@ -100,18 +139,58 @@ public class TLabel extends TWidget { public TLabel(final TWidget parent, final String text, final int x, final int y, final String colorKey, final boolean useWindowBackground) { + this(parent, text, x, y, colorKey, useWindowBackground, null); + } + + /** + * Public constructor. + * + * @param parent parent widget + * @param text label on the screen + * @param x column relative to parent + * @param y row relative to parent + * @param colorKey ColorTheme key color to use for foreground text + * @param useWindowBackground if true, use the window's background color + * @param action to call when shortcut is pressed + */ + public TLabel(final TWidget parent, final String text, final int x, + final int y, final String colorKey, final boolean useWindowBackground, + final TAction action) { + // Set parent and window - super(parent, false, x, y, text.length(), 1); + super(parent, false, x, y, 0, 1); - this.label = text; + setLabel(text); this.colorKey = colorKey; this.useWindowBackground = useWindowBackground; + this.action = action; } // ------------------------------------------------------------------------ // TWidget ---------------------------------------------------------------- // ------------------------------------------------------------------------ + /** + * Override TWidget's width: we can only set width at construction time. + * + * @param width new widget width (ignored) + */ + @Override + public void setWidth(final int width) { + // Do nothing + } + + /** + * Override TWidget's height: we can only set height at construction + * time. + * + * @param height new widget height (ignored) + */ + @Override + public void setHeight(final int height) { + // Do nothing + } + /** * Draw a static label. */ @@ -119,12 +198,19 @@ public class TLabel extends TWidget { public void draw() { // Setup my color CellAttributes color = new CellAttributes(); + CellAttributes mnemonicColor = new CellAttributes(); color.setTo(getTheme().getColor(colorKey)); + mnemonicColor.setTo(getTheme().getColor("tlabel.mnemonic")); if (useWindowBackground) { CellAttributes background = getWindow().getBackground(); color.setBackColor(background.getBackColor()); + mnemonicColor.setBackColor(background.getBackColor()); + } + putStringXY(0, 0, mnemonic.getRawLabel(), color); + if (mnemonic.getScreenShortcutIdx() >= 0) { + putCharXY(mnemonic.getScreenShortcutIdx(), 0, + mnemonic.getShortcut(), mnemonicColor); } - putStringXY(0, 0, label, color); } // ------------------------------------------------------------------------ @@ -132,12 +218,21 @@ public class TLabel extends TWidget { // ------------------------------------------------------------------------ /** - * Get label text. + * Get label raw text. * * @return label text */ public String getLabel() { - return label; + return mnemonic.getRawLabel(); + } + + /** + * Get the mnemonic string for this label. + * + * @return mnemonic string + */ + public MnemonicString getMnemonic() { + return mnemonic; } /** @@ -146,7 +241,35 @@ public class TLabel extends TWidget { * @param label new label text */ public void setLabel(final String label) { - this.label = label; + mnemonic = new MnemonicString(label); + super.setWidth(StringUtils.width(mnemonic.getRawLabel())); + } + + /** + * Get the label color. + * + * @return the ColorTheme key color to use for foreground text + */ + public String getColorKey() { + return colorKey; + } + + /** + * Set the label color. + * + * @param colorKey ColorTheme key color to use for foreground text + */ + public void setColorKey(final String colorKey) { + this.colorKey = colorKey; + } + + /** + * Act as though the mnemonic shortcut was pressed. + */ + public void dispatch() { + if (action != null) { + action.DO(this); + } } }