if (mouse.isMouse1()) {
// Selection.
+ int newLine = topLine + mouse.getY();
+ int newX = leftColumn + mouse.getX();
+
inSelection = true;
+ if (newLine > document.getLineCount() - 1) {
+ selectionLine0 = document.getLineCount() - 1;
+ } else {
+ selectionLine0 = topLine + mouse.getY();
+ }
selectionColumn0 = leftColumn + mouse.getX();
- selectionLine0 = topLine + mouse.getY();
+ selectionColumn0 = Math.max(0, Math.min(selectionColumn0,
+ document.getLine(selectionLine0).getDisplayLength() - 1));
selectionColumn1 = selectionColumn0;
selectionLine1 = selectionLine0;
// Set the row and column
- int newLine = topLine + mouse.getY();
- int newX = leftColumn + mouse.getX();
if (newLine > document.getLineCount() - 1) {
// Go to the end
document.setLineNumber(document.getLineCount() - 1);
public void draw() {
CellAttributes selectedColor = getTheme().getColor("teditor.selected");
+ boolean drawSelection = true;
+
int startCol = selectionColumn0;
int startRow = selectionLine0;
int endCol = selectionColumn1;
endCol = selectionColumn0;
endRow = selectionLine0;
}
+ if ((startCol == endCol) && (startRow == endRow)) {
+ drawSelection = false;
+ }
for (int i = 0; i < getHeight(); i++) {
// Background line
}
// Highlight selected region
- if (inSelection) {
+ if (inSelection && drawSelection) {
if (startRow == endRow) {
if (topLine + i == startRow) {
for (x = startCol; x <= endCol; x++) {
* Delete text within the selection bounds.
*/
private void deleteSelection() {
- if (inSelection == false) {
+ if (!inSelection) {
return;
}
inSelection = false;
* Copy text within the selection bounds to clipboard.
*/
private void copySelection() {
- if (inSelection == false) {
+ if (!inSelection) {
return;
}
+ getClipboard().copyText(getSelection());
+ }
+
+ /**
+ * Set the selection.
+ *
+ * @param startRow the starting row number. 0-based: row 0 is the first
+ * row.
+ * @param startColumn the starting column number. 0-based: column 0 is
+ * the first column.
+ * @param endRow the ending row number. 0-based: row 0 is the first row.
+ * @param endColumn the ending column number. 0-based: column 0 is the
+ * first column.
+ */
+ public void setSelection(final int startRow, final int startColumn,
+ final int endRow, final int endColumn) {
+
+ inSelection = true;
+ selectionLine0 = startRow;
+ selectionColumn0 = startColumn;
+ selectionLine1 = endRow;
+ selectionColumn1 = endColumn;
+ }
+
+ /**
+ * Copy text within the selection bounds to a string.
+ *
+ * @return the selection as a string, or null if there is no selection
+ */
+ public String getSelection() {
+ if (!inSelection) {
+ return null;
+ }
int startCol = selectionColumn0;
int startRow = selectionLine0;
i += Character.charCount(ch);
}
}
+ return sb.toString();
+ }
+
+ /**
+ * Get the selection starting row number.
+ *
+ * @return the starting row number, or -1 if there is no selection.
+ * 0-based: row 0 is the first row.
+ */
+ public int getSelectionStartRow() {
+ if (!inSelection) {
+ return -1;
+ }
- getClipboard().copyText(sb.toString());
+ int startCol = selectionColumn0;
+ int startRow = selectionLine0;
+ int endCol = selectionColumn1;
+ int endRow = selectionLine1;
+
+ if (((selectionColumn1 < selectionColumn0)
+ && (selectionLine1 == selectionLine0))
+ || (selectionLine1 < selectionLine0)
+ ) {
+ // The user selected from bottom-to-top and/or right-to-left.
+ // Reverse the coordinates for the inverted section.
+ startCol = selectionColumn1;
+ startRow = selectionLine1;
+ endCol = selectionColumn0;
+ endRow = selectionLine0;
+ }
+ return startRow;
}
/**
- * Set the selection.
+ * Get the selection starting column number.
*
- * @param startRow the starting row number. 0-based: row 0 is the first
- * row.
- * @param startColumn the starting column number. 0-based: column 0 is
- * the first column.
- * @param endRow the ending row number. 0-based: row 0 is the first row.
- * @param endColumn the ending column number. 0-based: column 0 is the
- * first column.
+ * @return the starting column number, or -1 if there is no selection.
+ * 0-based: column 0 is the first column.
*/
- public void setSelection(final int startRow, final int startColumn,
- final int endRow, final int endColumn) {
+ public int getSelectionStartColumn() {
+ if (!inSelection) {
+ return -1;
+ }
- inSelection = true;
- selectionLine0 = startRow;
- selectionColumn0 = startColumn;
- selectionLine1 = endRow;
- selectionColumn1 = endColumn;
+ int startCol = selectionColumn0;
+ int startRow = selectionLine0;
+ int endCol = selectionColumn1;
+ int endRow = selectionLine1;
+
+ if (((selectionColumn1 < selectionColumn0)
+ && (selectionLine1 == selectionLine0))
+ || (selectionLine1 < selectionLine0)
+ ) {
+ // The user selected from bottom-to-top and/or right-to-left.
+ // Reverse the coordinates for the inverted section.
+ startCol = selectionColumn1;
+ startRow = selectionLine1;
+ endCol = selectionColumn0;
+ endRow = selectionLine0;
+ }
+ return startCol;
+ }
+
+ /**
+ * Get the selection ending row number.
+ *
+ * @return the ending row number, or -1 if there is no selection.
+ * 0-based: row 0 is the first row.
+ */
+ public int getSelectionEndRow() {
+ if (!inSelection) {
+ return -1;
+ }
+
+ int startCol = selectionColumn0;
+ int startRow = selectionLine0;
+ int endCol = selectionColumn1;
+ int endRow = selectionLine1;
+
+ if (((selectionColumn1 < selectionColumn0)
+ && (selectionLine1 == selectionLine0))
+ || (selectionLine1 < selectionLine0)
+ ) {
+ // The user selected from bottom-to-top and/or right-to-left.
+ // Reverse the coordinates for the inverted section.
+ startCol = selectionColumn1;
+ startRow = selectionLine1;
+ endCol = selectionColumn0;
+ endRow = selectionLine0;
+ }
+ return endRow;
+ }
+
+ /**
+ * Get the selection ending column number.
+ *
+ * @return the ending column number, or -1 if there is no selection.
+ * 0-based: column 0 is the first column.
+ */
+ public int getSelectionEndColumn() {
+ if (!inSelection) {
+ return -1;
+ }
+
+ int startCol = selectionColumn0;
+ int startRow = selectionLine0;
+ int endCol = selectionColumn1;
+ int endRow = selectionLine1;
+
+ if (((selectionColumn1 < selectionColumn0)
+ && (selectionLine1 == selectionLine0))
+ || (selectionLine1 < selectionLine0)
+ ) {
+ // The user selected from bottom-to-top and/or right-to-left.
+ // Reverse the coordinates for the inverted section.
+ startCol = selectionColumn1;
+ startRow = selectionLine1;
+ endCol = selectionColumn0;
+ endRow = selectionLine0;
+ }
+ return endCol;
}
/**
}
}
+ /**
+ * Check if selection is available.
+ *
+ * @return true if a selection has been made
+ */
+ public boolean hasSelection() {
+ return inSelection;
+ }
+
/**
* Get the entire contents of the editor as one string.
*