CHUI-283: Refactor of how the layout is determined for LLFolderViewItem. Changed constant members that defined the layout to non-const member varaibles, which are populated using a .xml file.

3 files changed, 77 insertions, 35 deletions

diff --git a/indra/llui/llfolderview.cpp b/indra/llui/llfolderview.cpp
index 11004fe390..ab4efea4dd 100644
--- a/indra/llui/llfolderview.cpp
+++ b/indra/llui/llfolderview.cpp
@@ -56,11 +56,7 @@
 const S32 RENAME_WIDTH_PAD = 4;
 const S32 RENAME_HEIGHT_PAD = 1;
 const S32 AUTO_OPEN_STACK_DEPTH = 16;
-const S32 MIN_ITEM_WIDTH_VISIBLE = LLFolderViewItem::ICON_WIDTH
-			+ LLFolderViewItem::ICON_PAD 
-			+ LLFolderViewItem::ARROW_SIZE 
-			+ LLFolderViewItem::TEXT_PAD 
-			+ /*first few characters*/ 40;
+
 const S32 MINIMUM_RENAMER_WIDTH = 80;
 
 // *TODO: move in params in xml if necessary. Requires modification of LLFolderView & LLInventoryPanel Params.
@@ -211,10 +207,11 @@ LLFolderView::LLFolderView(const Params& p)
 	// Textbox
 	LLTextBox::Params text_p;
 	LLFontGL* font = getLabelFontForStyle(mLabelStyle);
-	LLRect new_r = LLRect(rect.mLeft + ICON_PAD,
-			      rect.mTop - TEXT_PAD,
+    //mIconPad, mTextPad are set in folder_view_item.xml
+	LLRect new_r = LLRect(rect.mLeft + mIconPad,
+			      rect.mTop - mTextPad,
 			      rect.mRight,
-			      rect.mTop - TEXT_PAD - font->getLineHeight());
+			      rect.mTop - mTextPad - font->getLineHeight());
 	text_p.rect(new_r);
 	text_p.name(std::string(p.name));
 	text_p.font(font);
@@ -1652,12 +1649,13 @@ void LLFolderView::scrollToShowItem(LLFolderViewItem* item, const LLRect& constr
 		S32 icon_height = mIcon.isNull() ? 0 : mIcon->getHeight(); 
 		S32 label_height = getLabelFontForStyle(mLabelStyle)->getLineHeight(); 
 		// when navigating with keyboard, only move top of opened folder on screen, otherwise show whole folder
-		S32 max_height_to_show = item->isOpen() && mScrollContainer->hasFocus() ? (llmax( icon_height, label_height ) + ICON_PAD) : local_rect.getHeight(); 
+		S32 max_height_to_show = item->isOpen() && mScrollContainer->hasFocus() ? (llmax( icon_height, label_height ) + item->getIconPad()) : local_rect.getHeight();
 		
 		// get portion of item that we want to see...
 		LLRect item_local_rect = LLRect(item->getIndentation(), 
 										local_rect.getHeight(), 
-										llmin(MIN_ITEM_WIDTH_VISIBLE, local_rect.getWidth()), 
+                                        //+32 is supposed to include few first characters
+										llmin(item->getLabelXPos() + 32, local_rect.getWidth()), 
 										llmax(0, local_rect.getHeight() - max_height_to_show));
 
 		LLRect item_doc_rect;
@@ -1874,7 +1872,7 @@ void LLFolderView::updateRenamerPosition()
 	if(mRenameItem)
 	{
 		// See also LLFolderViewItem::draw()
-		S32 x = ARROW_SIZE + TEXT_PAD + ICON_WIDTH + ICON_PAD + mRenameItem->getIndentation();
+		S32 x = mRenameItem->getLabelXPos();
 		S32 y = mRenameItem->getRect().getHeight() - mRenameItem->getItemHeight() - RENAME_HEIGHT_PAD;
 		mRenameItem->localPointToScreen( x, y, &x, &y );
 		screenPointToLocal( x, y, &x, &y );
diff --git a/indra/llui/llfolderviewitem.cpp b/indra/llui/llfolderviewitem.cpp
index 171af92e73..9632612752 100755
--- a/indra/llui/llfolderviewitem.cpp
+++ b/indra/llui/llfolderviewitem.cpp
@@ -90,7 +90,14 @@ LLFolderViewItem::Params::Params()
 	item_height("item_height"),
 	item_top_pad("item_top_pad"),
 	creation_date(),
-	allow_open("allow_open", true)
+	allow_open("allow_open", true),
+    left_pad("left_pad", 0),
+    icon_pad("icon_pad", 0),
+    icon_width("icon_width", 0),
+    text_pad("text_pad", 0),
+    text_pad_right("text_pad_right", 0),
+    arrow_size("arrow_size", 0),
+    max_folder_item_overlap("max_folder_item_overlap", 0)
 {}
 
 // Default constructor
@@ -98,7 +105,7 @@ LLFolderViewItem::LLFolderViewItem(const LLFolderViewItem::Params& p)
 :	LLView(p),
 	mLabelWidth(0),
 	mLabelWidthDirty(false),
-    mLabelPaddingRight(DEFAULT_TEXT_PADDING_RIGHT),
+    mLabelPaddingRight(DEFAULT_LABEL_PADDING_RIGHT),
 	mParentFolder( NULL ),
 	mIsSelected( FALSE ),
 	mIsCurSelection( FALSE ),
@@ -114,7 +121,14 @@ LLFolderViewItem::LLFolderViewItem(const LLFolderViewItem::Params& p)
 	mRoot(p.root),
 	mViewModelItem(p.listener),
 	mIsMouseOverTitle(false),
-	mAllowOpen(p.allow_open)
+	mAllowOpen(p.allow_open),
+    mLeftPad(p.left_pad),
+    mIconPad(p.icon_pad),
+    mIconWidth(p.icon_width),
+    mTextPad(p.text_pad),
+    mTextPadRight(p.text_pad_right),
+    mArrowSize(p.arrow_size),
+    mMaxFolderItemOverlap(p.max_folder_item_overlap)
 {
 	if (mViewModelItem)
 	{
@@ -291,11 +305,11 @@ S32 LLFolderViewItem::arrange( S32* width, S32* height )
 		: 0;
 	if (mLabelWidthDirty)
 	{
-		mLabelWidth = ARROW_SIZE + TEXT_PAD + ICON_WIDTH + ICON_PAD + getLabelFontForStyle(mLabelStyle)->getWidth(mLabel) + getLabelFontForStyle(mLabelStyle)->getWidth(mLabelSuffix) + mLabelPaddingRight; 
+		mLabelWidth = getLabelXPos() + getLabelFontForStyle(mLabelStyle)->getWidth(mLabel) + getLabelFontForStyle(mLabelStyle)->getWidth(mLabelSuffix) + mLabelPaddingRight; 
 		mLabelWidthDirty = false;
 	}
 
-	*width = llmax(*width, mLabelWidth + mIndentation); 
+	*width = llmax(*width, mLabelWidth); 
 
 	// determine if we need to use ellipses to avoid horizontal scroll. EXT-719
 	bool use_ellipses = getRoot()->getUseEllipses();
@@ -313,6 +327,21 @@ S32 LLFolderViewItem::getItemHeight()
 	return mItemHeight;
 }
 
+S32 LLFolderViewItem::getLabelXPos()
+{
+    return getIndentation() + mArrowSize + mTextPad + mIconWidth + mIconPad;
+}
+
+S32 LLFolderViewItem::getIconPad()
+{
+    return mIconPad;
+}
+
+S32 LLFolderViewItem::getTextPad()
+{
+    return mTextPad;
+}
+
 // *TODO: This can be optimized a lot by simply recording that it is
 // selected in the appropriate places, and assuming that set selection
 // means 'deselect' for a leaf item. Do this optimization after
@@ -734,8 +763,8 @@ void LLFolderViewItem::draw()
 	{
 		LLUIImage* arrow_image = default_params.folder_arrow_image;
 		gl_draw_scaled_rotated_image(
-			mIndentation, getRect().getHeight() - ARROW_SIZE - TEXT_PAD - TOP_PAD,
-			ARROW_SIZE, ARROW_SIZE, mControlLabelRotation, arrow_image->getImage(), sFgColor);
+			mIndentation, getRect().getHeight() - mArrowSize - mTextPad - TOP_PAD,
+			mArrowSize, mArrowSize, mControlLabelRotation, arrow_image->getImage(), sFgColor);
 	}
 
 
@@ -744,7 +773,7 @@ void LLFolderViewItem::draw()
 	//--------------------------------------------------------------------------------//
 	// Draw open icon
 	//
-	const S32 icon_x = mIndentation + ARROW_SIZE + TEXT_PAD;
+	const S32 icon_x = mIndentation + mArrowSize + mTextPad;
 	if (!mIconOpen.isNull() && (llabs(mControlLabelRotation) > 80)) // For open folders
  	{
 		mIconOpen->draw(icon_x, getRect().getHeight() - mIconOpen->getHeight() - TOP_PAD + 1);
@@ -769,8 +798,8 @@ void LLFolderViewItem::draw()
 
 	std::string::size_type filter_string_length = mViewModelItem->hasFilterStringMatch() ? mViewModelItem->getFilterStringSize() : 0;
 	F32 right_x  = 0;
-	F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)TEXT_PAD - (F32)TOP_PAD;
-	F32 text_left = (F32)(ARROW_SIZE + TEXT_PAD + ICON_WIDTH + ICON_PAD + mIndentation);
+	F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+	F32 text_left = (F32)getLabelXPos();
 	std::string combined_string = mLabel + mLabelSuffix;
 
 	if (filter_string_length > 0)
@@ -804,11 +833,15 @@ void LLFolderViewItem::draw()
     if (filter_string_length > 0)
     {
         F32 match_string_left = text_left + font->getWidthF32(combined_string, 0, mViewModelItem->getFilterStringOffset());
-        F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)TEXT_PAD - (F32)TOP_PAD;
+        F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
         font->renderUTF8( combined_string, mViewModelItem->getFilterStringOffset(), match_string_left, yy,
             sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
             filter_string_length, S32_MAX, &right_x, FALSE );
     }
+
+    //Gilbert Linden 9-20-2012: Although this should be legal, removing it because it causes the mLabelSuffix rendering to
+    //be distorted...oddly. I initially added this in but didn't need it after all. So removing to prevent unnecessary bug.
+    //LLView::draw();
 }
 
 const LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void ) const
@@ -984,7 +1017,7 @@ S32 LLFolderViewFolder::arrange( S32* width, S32* height )
 			folders_t::iterator fit = iter++;
 			// number of pixels that bottom of folder label is from top of parent folder
 			if (getRect().getHeight() - (*fit)->getRect().mTop + (*fit)->getItemHeight() 
-				> llround(mCurHeight) + MAX_FOLDER_ITEM_OVERLAP)
+				> llround(mCurHeight) + mMaxFolderItemOverlap)
 			{
 				// hide if beyond current folder height
 				(*fit)->setVisible(FALSE);
@@ -997,7 +1030,7 @@ S32 LLFolderViewFolder::arrange( S32* width, S32* height )
 			items_t::iterator iit = iter++;
 			// number of pixels that bottom of item label is from top of parent folder
 			if (getRect().getHeight() - (*iit)->getRect().mBottom
-				> llround(mCurHeight) + MAX_FOLDER_ITEM_OVERLAP)
+				> llround(mCurHeight) + mMaxFolderItemOverlap)
 			{
 				(*iit)->setVisible(FALSE);
 			}
@@ -1757,7 +1790,7 @@ BOOL LLFolderViewFolder::handleMouseDown( S32 x, S32 y, MASK mask )
 	}
 	if( !handled )
 	{
-		if(mIndentation < x && x < mIndentation + ARROW_SIZE + TEXT_PAD)
+		if(mIndentation < x && x < mIndentation + mArrowSize + mTextPad)
 		{
 			toggleOpen();
 			handled = TRUE;
@@ -1781,7 +1814,7 @@ BOOL LLFolderViewFolder::handleDoubleClick( S32 x, S32 y, MASK mask )
 	}
 	if( !handled )
 	{
-		if(mIndentation < x && x < mIndentation + ARROW_SIZE + TEXT_PAD)
+		if(mIndentation < x && x < mIndentation + mArrowSize + mTextPad)
 		{
 			// don't select when user double-clicks plus sign
 			// so as not to contradict single-click behavior
diff --git a/indra/llui/llfolderviewitem.h b/indra/llui/llfolderviewitem.h
index 5c97407bc1..b7e0091aca 100755
--- a/indra/llui/llfolderviewitem.h
+++ b/indra/llui/llfolderviewitem.h
@@ -60,18 +60,18 @@ public:
 		Optional<time_t>							creation_date;
 		Optional<bool>								allow_open;
 
+        Optional<S32>                               left_pad,
+                                                    icon_pad,
+                                                    icon_width,
+                                                    text_pad,
+                                                    text_pad_right,
+                                                    arrow_size,
+                                                    max_folder_item_overlap;
 		Params();
 	};
 
-	// layout constants
-	static const S32	LEFT_PAD = 5,
-						ICON_PAD = 2,
-						ICON_WIDTH = 16,
-						TEXT_PAD = 1,
-                        DEFAULT_TEXT_PADDING_RIGHT = 4,
-						ARROW_SIZE = 12,
-						MAX_FOLDER_ITEM_OVERLAP = 2;
-	
+
+	static const S32    DEFAULT_LABEL_PADDING_RIGHT = 4;
 	// animation parameters
 	static const F32	FOLDER_CLOSE_TIME_CONSTANT,
 						FOLDER_OPEN_TIME_CONSTANT;
@@ -99,6 +99,14 @@ protected:
 	S32							mDragStartX,
 								mDragStartY;
 
+    S32                         mLeftPad,
+                                mIconPad,
+                                mIconWidth,
+                                mTextPad,
+                                mTextPadRight,
+                                mArrowSize,
+                                mMaxFolderItemOverlap;
+
 	F32							mControlLabelRotation;
 	LLFolderView*				mRoot;
 	bool						mHasVisibleChildren,
@@ -136,6 +144,9 @@ public:
 	// makes sure that this view and it's children are the right size.
 	virtual S32 arrange( S32* width, S32* height );
 	virtual S32 getItemHeight();
+    virtual S32 getLabelXPos();
+    S32 getIconPad();
+    S32 getTextPad();
 
 	// If 'selection' is 'this' then note that otherwise ignore.
 	// Returns TRUE if this item ends up being selected.