EXP-1504 : Move the tab opening stuff to lltabcontainer and out of llbutton. Added an xui param to allow drill through tabs. Set that param for build panel only.

4 files changed, 61 insertions, 74 deletions

diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index be657dbb9b..f9e2ad8554 100644
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -104,7 +104,6 @@ LLButton::Params::Params()
 	use_draw_context_alpha("use_draw_context_alpha", true),
 	badge("badge"),
 	handle_right_mouse("handle_right_mouse"),
-	click_on_drag_and_drop("click_on_drag_and_drop", false),
 	held_down_delay("held_down_delay"),
 	button_flash_count("button_flash_count"),
 	button_flash_rate("button_flash_rate")
@@ -172,7 +171,6 @@ LLButton::LLButton(const LLButton::Params& p)
 	mHeldDownSignal(NULL),
 	mUseDrawContextAlpha(p.use_draw_context_alpha),
 	mHandleRightMouse(p.handle_right_mouse),
-	mClickOnDragAndDrop(p.click_on_drag_and_drop),		// if true, hovering on button while dragging -> click
 	mButtonFlashCount(p.button_flash_count),
 	mButtonFlashRate(p.button_flash_rate)
 {
@@ -1236,35 +1234,8 @@ void LLButton::resetMouseDownTimer()
 	mMouseDownTimer.reset();
 }
 
-
 BOOL LLButton::handleDoubleClick(S32 x, S32 y, MASK mask)
 {
 	// just treat a double click as a second click
 	return handleMouseDown(x, y, mask);
 }
-
-// virtual
-BOOL LLButton::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop, EDragAndDropType type, void* cargo_data, EAcceptance *accept, std::string	&tooltip)
-{
-	const F32 CLICK_ON_DAD_DELAY_TIME = 0.5f;
-	if (mClickOnDragAndDrop)
-	{
-		// In that case, though the button doesn't really handles drops, it'll "click" if hovering on it
-		// while dragging something. That allows for instance drilling into tabbed containers.
-		// Note: we use the same timer as mouse down just as convenience and to avoid duplication.
-		if (mMouseDownTimer.getStarted())
-		{
-			if (mMouseDownTimer.getElapsedTimeF32() > CLICK_ON_DAD_DELAY_TIME )
-			{
-				onCommit();
-				mMouseDownTimer.stop();
-			}
-		}
-		else 
-		{
-			mMouseDownTimer.start();
-		}
-	}
-	// The true DaD effect is handled at the View level if any.
-	return LLView::handleDragAndDrop(x,	y, mask, drop, type, cargo_data,  accept, tooltip);
-}
diff --git a/indra/llui/llbutton.h b/indra/llui/llbutton.h
index 47aa675c5e..deaa0823c6 100644
--- a/indra/llui/llbutton.h
+++ b/indra/llui/llbutton.h
@@ -132,7 +132,6 @@ public:
 		Optional<LLBadge::Params>	badge;
 
 		Optional<bool>				handle_right_mouse;
-		Optional<bool>				click_on_drag_and_drop;
 
 		Optional<S32>				button_flash_count;
 		Optional<F32>				button_flash_rate;
@@ -160,11 +159,6 @@ public:
 	virtual BOOL	handleRightMouseDown(S32 x, S32 y, MASK mask);
 	virtual BOOL	handleRightMouseUp(S32 x, S32 y, MASK mask);	
 	virtual BOOL	handleDoubleClick(S32 x, S32 y, MASK mask);
-	virtual BOOL	handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
-									  EDragAndDropType cargo_type,
-									  void* cargo_data,
-									  EAcceptance* accept,
-									  std::string& tooltip_msg);
 	virtual void	draw();
 	/*virtual*/ BOOL postBuild();
 
@@ -382,7 +376,6 @@ protected:
 	LLFrameTimer				mFlashingTimer;
 
 	bool						mHandleRightMouse;
-	bool						mClickOnDragAndDrop;
 };
 
 // Build time optimization, generate once in .cpp file
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 3b2751248b..d5f8707381 100644
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -214,6 +214,7 @@ LLTabContainer::Params::Params()
 	middle_tab("middle_tab"),
 	last_tab("last_tab"),
 	use_custom_icon_ctrl("use_custom_icon_ctrl", false),
+	open_tabs_on_drag_and_drop("open_tabs_on_drag_and_drop", false),
 	tab_icon_ctrl_pad("tab_icon_ctrl_pad", 0),
 	use_ellipses("use_ellipses"),
 	font_halign("halign")
@@ -250,6 +251,7 @@ LLTabContainer::LLTabContainer(const LLTabContainer::Params& p)
 	mMiddleTabParams(p.middle_tab),
 	mLastTabParams(p.last_tab),
 	mCustomIconCtrlUsed(p.use_custom_icon_ctrl),
+	mOpenTabsOnDragAndDrop(p.open_tabs_on_drag_and_drop),
 	mTabIconCtrlPad(p.tab_icon_ctrl_pad),
 	mUseTabEllipses(p.use_ellipses)
 {
@@ -812,50 +814,62 @@ BOOL LLTabContainer::handleDragAndDrop(S32 x, S32 y, MASK mask,	BOOL drop,	EDrag
 {
 	BOOL has_scroll_arrows = (getMaxScrollPos() > 0);
 
-	if( !getTabsHidden()
-		&& mDragAndDropDelayTimer.getStarted() 
-		&& mDragAndDropDelayTimer.getElapsedTimeF32() > SCROLL_DELAY_TIME )
+	if(mOpenTabsOnDragAndDrop && !getTabsHidden())
 	{
-		if (has_scroll_arrows)
+		// In that case, we'll open the hovered tab while dragging and dropping items.
+		// This allows for drilling through tabs.
+		if (mDragAndDropDelayTimer.getStarted())
 		{
-			if (mJumpPrevArrowBtn && mJumpPrevArrowBtn->getRect().pointInRect(x, y))
+			if (mDragAndDropDelayTimer.getElapsedTimeF32() > SCROLL_DELAY_TIME)
 			{
-				S32	local_x	= x	- mJumpPrevArrowBtn->getRect().mLeft;
-				S32	local_y	= y	- mJumpPrevArrowBtn->getRect().mBottom;
-				mJumpPrevArrowBtn->handleHover(local_x,	local_y, mask);
-			}
-			if (mJumpNextArrowBtn && mJumpNextArrowBtn->getRect().pointInRect(x, y))
-			{
-				S32	local_x	= x	- mJumpNextArrowBtn->getRect().mLeft;
-				S32	local_y	= y	- mJumpNextArrowBtn->getRect().mBottom;
-				mJumpNextArrowBtn->handleHover(local_x,	local_y, mask);
-			}
-			if (mPrevArrowBtn->getRect().pointInRect(x,	y))
-			{
-				S32	local_x	= x	- mPrevArrowBtn->getRect().mLeft;
-				S32	local_y	= y	- mPrevArrowBtn->getRect().mBottom;
-				mPrevArrowBtn->handleHover(local_x,	local_y, mask);
-			}
-			else if	(mNextArrowBtn->getRect().pointInRect(x, y))
-			{
-				S32	local_x	= x	- mNextArrowBtn->getRect().mLeft;
-				S32	local_y	= y	- mNextArrowBtn->getRect().mBottom;
-				mNextArrowBtn->handleHover(local_x, local_y, mask);
-			}
-		}
+				if (has_scroll_arrows)
+				{
+					if (mJumpPrevArrowBtn && mJumpPrevArrowBtn->getRect().pointInRect(x, y))
+					{
+						S32	local_x	= x	- mJumpPrevArrowBtn->getRect().mLeft;
+						S32	local_y	= y	- mJumpPrevArrowBtn->getRect().mBottom;
+						mJumpPrevArrowBtn->handleHover(local_x,	local_y, mask);
+					}
+					if (mJumpNextArrowBtn && mJumpNextArrowBtn->getRect().pointInRect(x, y))
+					{
+						S32	local_x	= x	- mJumpNextArrowBtn->getRect().mLeft;
+						S32	local_y	= y	- mJumpNextArrowBtn->getRect().mBottom;
+						mJumpNextArrowBtn->handleHover(local_x,	local_y, mask);
+					}
+					if (mPrevArrowBtn->getRect().pointInRect(x,	y))
+					{
+						S32	local_x	= x	- mPrevArrowBtn->getRect().mLeft;
+						S32	local_y	= y	- mPrevArrowBtn->getRect().mBottom;
+						mPrevArrowBtn->handleHover(local_x,	local_y, mask);
+					}
+					else if	(mNextArrowBtn->getRect().pointInRect(x, y))
+					{
+						S32	local_x	= x	- mNextArrowBtn->getRect().mLeft;
+						S32	local_y	= y	- mNextArrowBtn->getRect().mBottom;
+						mNextArrowBtn->handleHover(local_x, local_y, mask);
+					}
+				}
 
-		for(tuple_list_t::iterator iter	= mTabList.begin();	iter !=	 mTabList.end(); ++iter)
-		{
-			LLTabTuple*	tuple =	*iter;
-			tuple->mButton->setVisible(	TRUE );
-			S32	local_x	= x	- tuple->mButton->getRect().mLeft;
-			S32	local_y	= y	- tuple->mButton->getRect().mBottom;
-			if (tuple->mButton->pointInView(local_x, local_y) &&  tuple->mButton->getEnabled() && !tuple->mTabPanel->getVisible())
-			{
-				tuple->mButton->onCommit();
+				for(tuple_list_t::iterator iter	= mTabList.begin();	iter !=	 mTabList.end(); ++iter)
+				{
+					LLTabTuple*	tuple =	*iter;
+					tuple->mButton->setVisible(	TRUE );
+					S32	local_x	= x	- tuple->mButton->getRect().mLeft;
+					S32	local_y	= y	- tuple->mButton->getRect().mBottom;
+					if (tuple->mButton->pointInView(local_x, local_y) &&  tuple->mButton->getEnabled() && !tuple->mTabPanel->getVisible())
+					{
+						tuple->mButton->onCommit();
+					}
+				}
+				// Stop the timer whether successful or not. Don't let it run forever.
 				mDragAndDropDelayTimer.stop();
 			}
 		}
+		else 
+		{
+			// Start a timer so we don't open tabs as soon as we hover on them
+			mDragAndDropDelayTimer.start();
+		}
 	}
 
 	return LLView::handleDragAndDrop(x,	y, mask, drop, type, cargo_data,  accept, tooltip);
@@ -1041,7 +1055,6 @@ void LLTabContainer::addTabPanel(const TabPanelParams& panel)
 		p.tab_stop(false);
 		p.label_shadow(false);
 		p.follows.flags = FOLLOWS_LEFT;
-		p.click_on_drag_and_drop(true);
 		
 		if (mIsVertical)
 		{
@@ -1246,6 +1259,10 @@ void LLTabContainer::enableTabButton(S32 which, BOOL enable)
 	{
 		mTabList[which]->mButton->setEnabled(enable);
 	}
+	// Stop the DaD timer as it might run forever
+	// enableTabButton() is typically called on refresh and draw when anything changed
+	// in the tab container so it's a good time to reset that.
+	mDragAndDropDelayTimer.stop();
 }
 
 void LLTabContainer::deleteAllTabs()
diff --git a/indra/llui/lltabcontainer.h b/indra/llui/lltabcontainer.h
index eaa2fd54e0..cebace2ceb 100644
--- a/indra/llui/lltabcontainer.h
+++ b/indra/llui/lltabcontainer.h
@@ -105,6 +105,11 @@ public:
 		Optional<bool>						use_custom_icon_ctrl;
 
 		/**
+		 * Open tabs on hover in drag and drop situations
+		 */
+		Optional<bool>						open_tabs_on_drag_and_drop;
+		
+		/**
 		 *  Paddings for LLIconCtrl in case of LLCustomButtonIconCtrl usage(use_custom_icon_ctrl = true)
 		 */
 		Optional<S32>						tab_icon_ctrl_pad;
@@ -300,6 +305,7 @@ private:
 	TabParams						mLastTabParams;
 
 	bool							mCustomIconCtrlUsed;
+	bool							mOpenTabsOnDragAndDrop;
 	S32								mTabIconCtrlPad;
 	bool							mUseTabEllipses;
 };