Terminal: add support for mouse press/release events in Extended/SGR 1006 mode

fixes #17532

Change-Id: Ic9f19ace5c728b6823caa5ce8ec35dc35d244220
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4867
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: waddlesplash <[email protected]>

src/apps/terminal/TermView.cpp

@@ -2462,7 +2462,7 @@ TermView::_MouseDistanceSinceLastClick(BPoint where)
 
 void
 TermView::_SendMouseEvent(int32 buttons, int32 mode, int32 x, int32 y,
-	bool motion)
+	bool motion, bool upEvent)
 {
 	if (!fEnableExtendedMouseCoordinates) {
 		char xtermButtons;
@@ -2491,13 +2491,16 @@ TermView::_SendMouseEvent(int32 buttons, int32 mode, int32 x, int32 y,
 		fShell->Write(destBuffer, 6);
 	} else {
 		char xtermButtons;
-		if (buttons == B_PRIMARY_MOUSE_BUTTON)
+		if ((buttons & B_PRIMARY_MOUSE_BUTTON)
+			!= (fMouseButtons & B_PRIMARY_MOUSE_BUTTON)) {
 			xtermButtons = 0;
-		else if (buttons == B_SECONDARY_MOUSE_BUTTON)
+		} else if ((buttons & B_SECONDARY_MOUSE_BUTTON)
+			!= (fMouseButtons & B_SECONDARY_MOUSE_BUTTON)) {
 			xtermButtons = 1;
-		else if (buttons == B_TERTIARY_MOUSE_BUTTON)
+		} else if ((buttons & B_TERTIARY_MOUSE_BUTTON)
+			!= (fMouseButtons & B_TERTIARY_MOUSE_BUTTON)) {
 			xtermButtons = 2;
-		else
+		} else
 			xtermButtons = 3;
 
 		if (motion)
@@ -2519,8 +2522,7 @@ TermView::_SendMouseEvent(int32 buttons, int32 mode, int32 x, int32 y,
 		destBuffer[9] = xtermY / 100 % 10 + '0';
 		destBuffer[10] = xtermY / 10 % 10 + '0';
 		destBuffer[11] = xtermY % 10 + '0';
-		// No support for button press/release
-		destBuffer[12] = 'M';
+		destBuffer[12] = upEvent ? 'm' : 'M';
 		fShell->Write(destBuffer, 13);
 	}
 }

src/apps/terminal/TermView.h

@@ -254,7 +254,8 @@ private:
 			void				_ScrollToRange(TermPos start, TermPos end);
 
 			void				_SendMouseEvent(int32 button, int32 mode,
-									int32 x, int32 y, bool motion);
+									int32 x, int32 y, bool motion,
+									bool upEvent = false);
 
 			void				_DrawInlineMethodString();
 			void				_HandleInputMethodChanged(BMessage* message);

src/apps/terminal/TermViewStates.cpp

@@ -423,7 +423,7 @@ TermView::DefaultState::MouseDown(BPoint where, int32 buttons, int32 modifiers)
 		|| fView->fReportNormalMouseEvent || fView->fReportX10MouseEvent) {
 		TermPos clickPos = fView->_ConvertToTerminal(where);
 		fView->_SendMouseEvent(buttons, modifiers, clickPos.x, clickPos.y,
-			false);
+			false, false);
 		return;
 	}
 
@@ -452,6 +452,18 @@ TermView::DefaultState::MouseMoved(BPoint where, uint32 transit,
 }
 
 
+void
+TermView::DefaultState::MouseUp(BPoint where, int32 buttons)
+{
+	if (fView->fReportAnyMouseEvent || fView->fReportButtonMouseEvent
+		|| fView->fReportNormalMouseEvent || fView->fReportX10MouseEvent) {
+		TermPos clickPos = fView->_ConvertToTerminal(where);
+		fView->_SendMouseEvent(buttons, 0, clickPos.x, clickPos.y,
+			false, true);
+	}
+}
+
+
 void
 TermView::DefaultState::WindowActivated(bool active)
 {

src/apps/terminal/TermViewStates.h

@@ -72,6 +72,7 @@ public:
 									int32 modifiers);
 	virtual void				MouseMoved(BPoint where, uint32 transit,
 									const BMessage* dragMessage, int32 modifiers);
+	virtual void				MouseUp(BPoint where, int32 buttons);
 
 	virtual	void				WindowActivated(bool active);