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Merge pull request termux#2146 from trygveaa/click-on-url
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Added: Allow users to directly open URL links in terminal transcript when clicked or tapped

The user can add `terminal-onclick-url-open=true` entry to `termux.properties` file to enable opening of URL links in terminal transcript when clicked or tapped. The default value is `false`. Running `termux-reload-settings` command will also update the behaviour instantaneously if changed.

Implemented in termux#2146
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@agnostic-apollo
agnostic-apollo authored Oct 13, 2021
2 parents f075f3d + 58e2619 commit 8bb442b
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Showing 5 changed files with 108 additions and 30 deletions.
34 changes: 23 additions & 11 deletions app/src/main/java/com/termux/app/terminal/TermuxTerminalViewClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
import com.termux.shared.data.UrlUtils;
import com.termux.shared.file.FileUtils;
import com.termux.shared.interact.MessageDialogUtils;
import com.termux.shared.interact.ShareUtils;
import com.termux.shared.shell.ShellUtils;
import com.termux.shared.terminal.TermuxTerminalViewClientBase;
import com.termux.shared.terminal.io.extrakeys.SpecialButton;
Expand All @@ -42,6 +43,7 @@
import com.termux.shared.view.KeyboardUtils;
import com.termux.shared.view.ViewUtils;
import com.termux.terminal.KeyHandler;
import com.termux.terminal.TerminalBuffer;
import com.termux.terminal.TerminalEmulator;
import com.termux.terminal.TerminalSession;

Expand Down Expand Up @@ -172,10 +174,26 @@ public float onScale(float scale) {

@Override
public void onSingleTapUp(MotionEvent e) {
if (!KeyboardUtils.areDisableSoftKeyboardFlagsSet(mActivity))
KeyboardUtils.showSoftKeyboard(mActivity, mActivity.getTerminalView());
else
Logger.logVerbose(LOG_TAG, "Not showing soft keyboard onSingleTapUp since its disabled");
TerminalEmulator term = mActivity.getCurrentSession().getEmulator();

if (mActivity.getProperties().shouldOpenTerminalTranscriptURLOnClick()) {
int[] columnAndRow = mActivity.getTerminalView().getColumnAndRow(e, true);
String wordAtTap = term.getScreen().getWordAtLocation(columnAndRow[0], columnAndRow[1]);
LinkedHashSet<CharSequence> urlSet = UrlUtils.extractUrls(wordAtTap);

if (!urlSet.isEmpty()) {
String url = (String) urlSet.iterator().next();
ShareUtils.openURL(mActivity, url);
return;
}
}

if (!term.isMouseTrackingActive() && !e.isFromSource(InputDevice.SOURCE_MOUSE)) {
if (!KeyboardUtils.areDisableSoftKeyboardFlagsSet(mActivity))
KeyboardUtils.showSoftKeyboard(mActivity, mActivity.getTerminalView());
else
Logger.logVerbose(LOG_TAG, "Not showing soft keyboard onSingleTapUp since its disabled");
}
}

@Override
Expand Down Expand Up @@ -670,13 +688,7 @@ public void showUrlSelection() {
lv.setOnItemLongClickListener((parent, view, position, id) -> {
dialog.dismiss();
String url = (String) urls[position];
Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
try {
mActivity.startActivity(i, null);
} catch (ActivityNotFoundException e) {
// If no applications match, Android displays a system message.
mActivity.startActivity(Intent.createChooser(i, null));
}
ShareUtils.openURL(mActivity, url);
return true;
});
});
Expand Down
39 changes: 39 additions & 0 deletions terminal-emulator/src/main/java/com/termux/terminal/TerminalBuffer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,45 @@ public String getSelectedText(int selX1, int selY1, int selX2, int selY2, boolea
return builder.toString();
}

public String getWordAtLocation(int x, int y) {
// Set y1 and y2 to the lines where the wrapped line starts and ends.
// I.e. if a line that is wrapped to 3 lines starts at line 4, and this
// is called with y=5, then y1 would be set to 4 and y2 would be set to 6.
int y1 = y;
int y2 = y;
while (y1 > 0 && !getSelectedText(0, y1 - 1, mColumns, y, true, true).contains("\n")) {
y1--;
}
while (y2 < mScreenRows && !getSelectedText(0, y, mColumns, y2 + 1, true, true).contains("\n")) {
y2++;
}

// Get the text for the whole wrapped line
String text = getSelectedText(0, y1, mColumns, y2, true, true);
// The index of x in text
int textOffset = (y - y1) * mColumns + x;

if (textOffset >= text.length()) {
// The click was to the right of the last word on the line, so
// there's no word to return
return "";
}

// Set x1 and x2 to the indices of the last space before x and the
// first space after x in text respectively
int x1 = text.lastIndexOf(' ', textOffset);
int x2 = text.indexOf(' ', textOffset);
if (x2 == -1) {
x2 = text.length();
}

if (x1 == x2) {
// The click was on a space, so there's no word to return
return "";
}
return text.substring(x1 + 1, x2);
}

public int getActiveTranscriptRows() {
return mActiveTranscriptRows;
}
Expand Down
17 changes: 17 additions & 0 deletions terminal-emulator/src/test/java/com/termux/terminal/ScreenBufferTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -45,4 +45,21 @@ public void testGetSelectedTextJoinFullLines() {
withTerminalSized(5, 3).enterString("ABC\r\nFG");
assertEquals("ABC\nFG", mTerminal.getScreen().getSelectedText(0, 0, 1, 1, true, true));
}

public void testGetWordAtLocation() {
withTerminalSized(5, 3).enterString("ABCDEFGHIJ\r\nKLMNO");
assertEquals("ABCDEFGHIJKLMNO", mTerminal.getScreen().getWordAtLocation(0, 0));
assertEquals("ABCDEFGHIJKLMNO", mTerminal.getScreen().getWordAtLocation(4, 1));
assertEquals("ABCDEFGHIJKLMNO", mTerminal.getScreen().getWordAtLocation(4, 2));

withTerminalSized(5, 3).enterString("ABC DEF GHI ");
assertEquals("ABC", mTerminal.getScreen().getWordAtLocation(0, 0));
assertEquals("", mTerminal.getScreen().getWordAtLocation(3, 0));
assertEquals("DEF", mTerminal.getScreen().getWordAtLocation(4, 0));
assertEquals("DEF", mTerminal.getScreen().getWordAtLocation(0, 1));
assertEquals("DEF", mTerminal.getScreen().getWordAtLocation(1, 1));
assertEquals("GHI", mTerminal.getScreen().getWordAtLocation(0, 2));
assertEquals("", mTerminal.getScreen().getWordAtLocation(1, 2));
assertEquals("", mTerminal.getScreen().getWordAtLocation(2, 2));
}
}
37 changes: 26 additions & 11 deletions terminal-view/src/main/java/com/termux/view/TerminalView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ public TerminalView(Context context, AttributeSet attributes) { // NO_UCD (unuse
@Override
public boolean onUp(MotionEvent event) {
mScrollRemainder = 0.0f;
if (mEmulator != null && mEmulator.isMouseTrackingActive() && !isSelectingText() && !scrolledWithFinger) {
if (mEmulator != null && mEmulator.isMouseTrackingActive() && !event.isFromSource(InputDevice.SOURCE_MOUSE) && !isSelectingText() && !scrolledWithFinger) {
// Quick event processing when mouse tracking is active - do not wait for check of double tapping
// for zooming.
sendMouseEventCode(event, TerminalEmulator.MOUSE_LEFT_BUTTON, true);
Expand All @@ -114,13 +114,8 @@ public boolean onSingleTapUp(MotionEvent event) {
return true;
}
requestFocus();
if (!mEmulator.isMouseTrackingActive()) {
if (!event.isFromSource(InputDevice.SOURCE_MOUSE)) {
mClient.onSingleTapUp(event);
return true;
}
}
return false;
mClient.onSingleTapUp(event);
return true;
}

@Override
Expand Down Expand Up @@ -471,10 +466,31 @@ public boolean isOpaque() {
return true;
}

/**
* Get the zero indexed column and row of the terminal view for the
* position of the event.
*
* @param event The event with the position to get the column and row for.
* @param relativeToScroll If true the column number will take the scroll
* position into account. E.g. if scrolled 3 lines up and the event
* position is in the top left, column will be -3 if relativeToScroll is
* true and 0 if relativeToScroll is false.
* @return Array with the column and row.
*/
public int[] getColumnAndRow(MotionEvent event, boolean relativeToScroll) {
int column = (int) (event.getX() / mRenderer.mFontWidth);
int row = (int) ((event.getY() - mRenderer.mFontLineSpacingAndAscent) / mRenderer.mFontLineSpacing);
if (relativeToScroll) {
row += mTopRow;
}
return new int[] { column, row };
}

/** Send a single mouse event code to the terminal. */
void sendMouseEventCode(MotionEvent e, int button, boolean pressed) {
int x = (int) (e.getX() / mRenderer.mFontWidth) + 1;
int y = (int) ((e.getY() - mRenderer.mFontLineSpacingAndAscent) / mRenderer.mFontLineSpacing) + 1;
int[] columnAndRow = getColumnAndRow(e, false);
int x = columnAndRow[0] + 1;
int y = columnAndRow[1] + 1;
if (pressed && (button == TerminalEmulator.MOUSE_WHEELDOWN_BUTTON || button == TerminalEmulator.MOUSE_WHEELUP_BUTTON)) {
if (mMouseStartDownTime == e.getDownTime()) {
x = mMouseScrollStartX;
Expand Down Expand Up @@ -550,7 +566,6 @@ public boolean onTouchEvent(MotionEvent event) {
sendMouseEventCode(event, TerminalEmulator.MOUSE_LEFT_BUTTON_MOVED, true);
break;
}
return true;
}
}

Expand Down
11 changes: 3 additions & 8 deletions terminal-view/src/main/java/com/termux/view/textselection/TextSelectionCursorController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -89,14 +89,9 @@ public void render() {
}

public void setInitialTextSelectionPosition(MotionEvent event) {
int cx = (int) (event.getX() / terminalView.mRenderer.getFontWidth());
final boolean eventFromMouse = event.isFromSource(InputDevice.SOURCE_MOUSE);
// Offset for finger:
final int SELECT_TEXT_OFFSET_Y = eventFromMouse ? 0 : -40;
int cy = (int) ((event.getY() + SELECT_TEXT_OFFSET_Y) / terminalView.mRenderer.getFontLineSpacing()) + terminalView.getTopRow();

mSelX1 = mSelX2 = cx;
mSelY1 = mSelY2 = cy;
int[] columnAndRow = terminalView.getColumnAndRow(event, true);
mSelX1 = mSelX2 = columnAndRow[0];
mSelY1 = mSelY2 = columnAndRow[1];

TerminalBuffer screen = terminalView.mEmulator.getScreen();
if (!" ".equals(screen.getSelectedText(mSelX1, mSelY1, mSelX1, mSelY1))) {
Expand Down

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