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Added method for drawing tooltips.

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Currently used for game mods and the music buttons in the main menu.

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>
This commit is contained in:
Jeffrey Han
2015-02-26 02:06:34 -05:00
parent 148400b75d
commit ad5277882e
4 changed files with 86 additions and 10 deletions
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46
src/itdelatrisu/opsu/Utils.java
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@@ -646,6 +646,52 @@ public class Utils {
g.fillRect(scrollbarX, unitBaseY + offsetY, scrollbarWidth, scrollbarHeight);
}
/**
* Draws a tooltip near the current mouse coordinates, bounded by the
* container dimensions.
* @param g the graphics context
* @param text the tooltip text
* @param newlines whether to check for line breaks ('\n')
*/
public static void drawTooltip(Graphics g, String text, boolean newlines) {
int containerWidth = container.getWidth(), containerHeight = container.getHeight();
int margin = containerWidth / 100, textMarginX = 2;
int offset = GameImage.CURSOR_MIDDLE.getImage().getWidth() / 2;
int lineHeight = FONT_SMALL.getLineHeight();
int textWidth = textMarginX * 2, textHeight = lineHeight;
if (newlines) {
String[] lines = text.split("\\n");
int maxWidth = FONT_SMALL.getWidth(lines[0]);
for (int i = 1; i < lines.length; i++) {
int w = FONT_SMALL.getWidth(lines[i]);
if (w > maxWidth)
maxWidth = w;
}
textWidth += maxWidth;
textHeight += lineHeight * (lines.length - 1);
} else
textWidth += FONT_SMALL.getWidth(text);
// get drawing coordinates
int x = input.getMouseX() + offset, y = input.getMouseY() + offset;
if (x + textWidth > containerWidth - margin)
x = containerWidth - margin - textWidth;
else if (x < margin)
x = margin;
if (y + textHeight > containerHeight - margin)
y = containerHeight - margin - textHeight;
else if (y < margin)
y = margin;
// draw tooltip text inside a filled rectangle
g.setColor(Color.black);
g.fillRect(x, y, textWidth, textHeight);
g.setColor(Color.darkGray);
g.setLineWidth(1);
g.drawRect(x, y, textWidth, textHeight);
FONT_SMALL.drawString(x + textMarginX, y, text, Color.white);
}
/**
* Takes a screenshot.
* @author http://wiki.lwjgl.org/index.php?title=Taking_Screen_Shots