Improve tab navigation and scrolling

* Fix with use with over creatures when you are over force use objects
* Fix textedit wrapping

modules/corelib/ui/uimovabletabbar.lua

@@ -11,17 +11,42 @@ local function updateMargins(tabBar, ignored)
  
   local currentMargin = 0
   for i = 1, #tabBar.tabs do
-    if tabBar.tabs[i] ~= ignored then 
-      if i == 1 then
-        tabBar.tabs[i]:setMarginLeft(0)
-      else
-        tabBar.tabs[i]:setMarginLeft(tabBar.tabSpacing * (i - 1) + currentMargin)
-      end
-    end
-    currentMargin = currentMargin + tabBar.tabs[i]:getWidth()
+    tabBar.tabs[i]:setMarginLeft(currentMargin)
+    currentMargin = currentMargin + tabBar.tabSpacing + tabBar.tabs[i]:getWidth()
   end
 end
 
+local function updateIndexes(tabBar, tab, xoff)
+  local tabs = tabBar.tabs
+  local currentMargin = 0
+  local prevIndex = table.find(tabs, tab)
+  local newIndex = prevIndex
+  local xmid = xoff + tab:getWidth()/2
+  for i = 1, #tabs do
+    local nextTab = tabs[i]
+    if xmid >= currentMargin + nextTab:getWidth()/2 then
+      newIndex = table.find(tabs, nextTab)
+    end
+    currentMargin = currentMargin + tabBar.tabSpacing * (i - 1) + tabBar.tabs[i]:getWidth()
+  end
+  if newIndex ~= prevIndex then
+    table.remove(tabs, table.find(tabs, tab))
+    table.insert(tabs, newIndex, tab)
+  end
+end
+
+local function getMaxMargin(tabBar, tab)
+  if #tabBar.tabs == 0 then return end
+
+  local maxMargin = 0
+  for i = 1, #tabBar.tabs do
+    if tabBar.tabs[i] ~= tab then
+      maxMargin = maxMargin + tabBar.tabs[i]:getWidth()
+    end
+  end
+  return maxMargin + tabBar.tabSpacing * (#tabBar.tabs- 1)
+end
+
 local function onTabMousePress(tab, mousePos, mouseButton)
   if mouseButton == MouseRightButton then
     if tab.menuCallback then tab.menuCallback(tab, mousePos, mouseButton) end
@@ -29,8 +54,9 @@ local function onTabMousePress(tab, mousePos, mouseButton)
   end
 end
 
-local function onTabDragEnter(tab)
+local function onTabDragEnter(tab, mousePos)
   tab:raise()
+  tab.hotSpot = mousePos.x - tab:getMarginLeft()
   tab.tabBar.selected = tab
   return true
 end
@@ -43,29 +69,17 @@ end
 
 local function onTabDragMove(tab, mousePos, mouseMoved)
   if tab == tab.tabBar.selected then
-    local newMargin = tab:getMarginLeft() + mouseMoved.x
-    if newMargin >= -tab.tabBar.tabSpacing and newMargin < tab.tabBar:getWidth() - tab:getWidth() then
-      tab:setMarginLeft(newMargin)
-    end
+    local xoff = mousePos.x - tab.hotSpot
 
-    local tabs = tab.tabBar.tabs
-    local lastMargin = -tab.tabBar.tabSpacing
-    for i = 1, #tabs do
-      local nextMargin = tabs[i + 1] and (tabs[i + 1] == tab and (tabs[i]:getMarginLeft() + tabs[i]:getWidth() + tab.tabBar.tabSpacing) or tabs[i + 1]:getMarginLeft()) or tab.tabBar:getWidth()
-      if (tab:getMarginLeft()+(tabs[i]:getWidth()/2)) >= lastMargin and (tab:getMarginLeft()+(tabs[i]:getWidth()/2)) < nextMargin then
-        if tabs[i] ~= tab then
-          local newIndex = table.find(tab.tabBar.tabs, tab.tabBar.tabs[i])
-          table.remove(tab.tabBar.tabs, table.find(tab.tabBar.tabs, tab))
-          table.insert(tab.tabBar.tabs, newIndex, tab)
-          updateMargins(tab.tabBar, tab)
-          break
-        else
-          updateMargins(tab.tabBar, tab)
-          break
-        end
-      end
-      lastMargin = tab.tabBar.tabs[i]:getMarginLeft() == 0 and -tab.tabBar.tabSpacing or tab.tabBar.tabs[i]:getMarginLeft()
-    end
+    -- update indexes
+    updateIndexes(tab.tabBar, tab, xoff)
+    updateIndexes(tab.tabBar, tab, xoff)
+
+    -- update margins
+    updateMargins(tab.tabBar)
+    xoff = math.max(xoff, 0)
+    xoff = math.min(xoff, getMaxMargin(tab.tabBar, tab))
+    tab:setMarginLeft(xoff)
   end
 end
 
@@ -81,7 +95,7 @@ function UIMoveableTabBar.create()
   tabbar:setFocusable(false)
   tabbar.tabs = {}
   tabbar.selected = nil  -- dragged tab
-  tabbar.tabSpacing = 5
+  tabbar.tabSpacing = 0
   tabbar.tabsMoveable = false
   return tabbar
 end

modules/corelib/ui/uiscrollbar.lua

@@ -82,18 +82,30 @@ local function updateSlider(self)
   end
 end
 
-local function parseSliderPos(self, pos, move)
-  local point, delta
+local function parseSliderPos(self, slider, pos, move)
+  local delta, hotDistance
   if self.orientation == 'vertical' then
-    point = pos.y
     delta = move.y
+    hotDistance = pos.y - slider:getY()
   else
-    point = pos.x
     delta = move.x
+    hotDistance = pos.x - slider:getX()
+  end
+
+  if (delta > 0 and hotDistance + delta > self.hotDistance) or
+     (delta < 0 and hotDistance + delta < self.hotDistance) then
+    local range, pxrange, px, offset, center = calcValues(self)
+    local newvalue = self.value + delta * (range / (pxrange - px))
+    self:setValue(newvalue)
+  end
+end
+
+local function parseSliderPress(self, slider, pos, button)
+  if self.orientation == 'vertical' then
+    self.hotDistance = pos.y - slider:getY()
+  else
+    self.hotDistance = pos.x - slider:getX()
   end
-  local range, pxrange, px, offset, center = calcValues(self)
-  local newvalue = self.value + delta * (range / (pxrange - px))
-  self:setValue(newvalue)
 end
 
 -- public functions
@@ -114,10 +126,11 @@ end
 
 function UIScrollBar:onSetup()
   self.setupDone = true
-  --signalcall(self.onValueChange, self, self.value)
+  local sliderButton = self:getChildById('sliderButton')
   g_mouse.bindAutoPress(self:getChildById('decrementButton'), function() self:decrement() end, 300)
   g_mouse.bindAutoPress(self:getChildById('incrementButton'), function() self:increment() end, 300)
-  g_mouse.bindPressMove(self:getChildById('sliderButton'), function(mousePos, mouseMoved) parseSliderPos(self, mousePos, mouseMoved) end)
+  g_mouse.bindPressMove(sliderButton, function(mousePos, mouseMoved) parseSliderPos(self, sliderButton, mousePos, mouseMoved) end)
+  g_mouse.bindPress(sliderButton, function(mousePos, mouseButton) parseSliderPress(self, sliderButton, mousePos, mouseButton) end)
 
   updateSlider(self)
 end

modules/game_interface/gameinterface.lua

@@ -311,6 +311,7 @@ function onUseWith(clickedWidget, mousePosition)
   if clickedWidget:getClassName() == 'UIMap' then
     local tile = clickedWidget:getTile(mousePosition)
     if tile then
+        print('use on' .. tile:getTopMultiUseThing():getClassName())
       g_game.useWith(selectedThing, tile:getTopMultiUseThing())
     end
   elseif clickedWidget:getClassName() == 'UIItem' and not clickedWidget:isVirtual() then

src/client/tile.cpp

@@ -449,15 +449,15 @@ ThingPtr Tile::getTopMultiUseThing()
     if(isEmpty())
         return nullptr;
 
+    if(CreaturePtr topCreature = getTopCreature())
+        return topCreature;
+
     for(uint i = 0; i < m_things.size(); ++i) {
         ThingPtr thing = m_things[i];
         if(thing->isForceUse())
             return thing;
     }
 
-    if(CreaturePtr topCreature = getTopCreature())
-        return topCreature;
-
     for(uint i = 0; i < m_things.size(); ++i) {
         ThingPtr thing = m_things[i];
         if(!thing->isGround() && !thing->isGroundBorder() && !thing->isOnBottom() && !thing->isOnTop()) {
@@ -467,7 +467,6 @@ ThingPtr Tile::getTopMultiUseThing()
         }
     }
 
-
     for(uint i = 0; i < m_things.size(); ++i) {
         ThingPtr thing = m_things[i];
         if(!thing->isGround() && !thing->isGroundBorder() && !thing->isOnTop())

src/framework/ui/uitextedit.cpp

@@ -480,7 +480,7 @@ std::string UITextEdit::cut()
 
 void UITextEdit::wrapText()
 {
-    setText(m_font->wrapText(m_text, getPaddingRect().width()));
+    setText(m_font->wrapText(m_text, getPaddingRect().width() - m_textOffset.x));
 }
 
 void UITextEdit::moveCursorHorizontally(bool right)
@@ -552,7 +552,7 @@ std::string UITextEdit::getDisplayedText()
         text = m_text;
 
     if(m_textWrap && m_rect.isValid())
-        text = m_font->wrapText(text, getWidth() - m_textOffset.x);
+        text = m_font->wrapText(text, getPaddingRect().width() - m_textOffset.x);
 
     return text;
 }