[gnome-shell/overview-relayout: 13/18] workspaces-view: Swap workspace ordering for RTL locales

[Florian Müllner <fmuellner src gnome org>]

commit 509dfbaa1ad6a35b3fc4e1dd7a5b659d99d5366e
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Nov 12 13:32:06 2010 +0100

    workspaces-view: Swap workspace ordering for RTL locales
    
    Make the first workspace the right-most one in RTL locales, as one
    would expect. Update all dragging/scrolling functions to behave
    correctly.

 js/ui/workspacesView.js |   55 +++++++++++++++++++++++++++++++++++-----------
 1 files changed, 42 insertions(+), 13 deletions(-)
---
diff --git a/js/ui/workspacesView.js b/js/ui/workspacesView.js
index 1bd0f19..febdcff 100644
--- a/js/ui/workspacesView.js
+++ b/js/ui/workspacesView.js
@@ -431,8 +431,13 @@ WorkspacesView.prototype = {
             workspace.opacity = (this._inDrag && w != active) ? 200 : 255;
 
             workspace.scale = scale;
-            workspace.x = this._x + this._activeWorkspaceX
-                          + (w - active) * (_width + this._spacing);
+            if (St.Widget.get_default_direction() == St.TextDirection.RTL) {
+                workspace.x = this._x + this._activeWorkspaceX
+                              - (w - active) * (_width + this._spacing);
+            } else {
+                workspace.x = this._x + this._activeWorkspaceX
+                              + (w - active) * (_width + this._spacing);
+            }
             workspace.y = this._y + this._activeWorkspaceY;
         }
     },
@@ -524,10 +529,17 @@ WorkspacesView.prototype = {
                 // of 0 or 1 millisecond indicates that the mouse is in motion, a larger
                 // difference indicates that the mouse is stopped.
                 if ((this._lastMotionTime > 0 && this._lastMotionTime > event.get_time() - 2) || noStop) {
-                    if (stageX > this._dragStartX && activate > 0)
-                        activate--;
-                    else if (stageX < this._dragStartX && activate < last)
-                        activate++;
+                    if (St.Widget.get_default_direction() == St.TextDirection.RTL) {
+                        if (stageX < this._dragStartX && activate > 0)
+                            activate--;
+                        else if (stageX > this._dragStartX && activate < last)
+                            activate++;
+                    } else {
+                        if (stageX > this._dragStartX && activate > 0)
+                            activate--;
+                        else if (stageX < this._dragStartX && activate < last)
+                            activate++;
+                    }
                 }
 
                 if (activate != active) {
@@ -548,7 +560,10 @@ WorkspacesView.prototype = {
                 let dx = this._dragX - stageX;
                 let primary = global.get_primary_monitor();
 
-                this._scrollAdjustment.value += (dx / primary.width);
+                if (St.Widget.get_default_direction() == St.TextDirection.RTL)
+                    this._scrollAdjustment.value -= (dx / primary.width);
+                else
+                    this._scrollAdjustment.value += (dx / primary.width);
                 this._dragX = stageX;
                 this._lastMotionTime = event.get_time();
 
@@ -767,8 +782,14 @@ WorkspacesView.prototype = {
         let primary = global.get_primary_monitor();
 
         let activeWorkspaceIndex = global.screen.get_active_workspace_index();
-        let leftWorkspace  = this._workspaces[activeWorkspaceIndex - 1];
-        let rightWorkspace = this._workspaces[activeWorkspaceIndex + 1];
+        let leftWorkspace, rightWorkspace;
+        if (St.Widget.get_default_direction() == St.TextDirection.RTL) {
+            leftWorkspace  = this._workspaces[activeWorkspaceIndex + 1];
+            rightWorkspace = this._workspaces[activeWorkspaceIndex - 1];
+        } else {
+            leftWorkspace  = this._workspaces[activeWorkspaceIndex - 1];
+            rightWorkspace = this._workspaces[activeWorkspaceIndex + 1];
+        }
         let hoverWorkspace = null;
 
         // reactive monitor edges
@@ -886,13 +907,21 @@ WorkspacesView.prototype = {
     // manage the animation
     _onScrollEvent: function(actor, event) {
         let direction = event.get_scroll_direction();
+        let rtl = (St.Widget.get_default_direction() == St.TextDirection.RTL);
         let current = global.screen.get_active_workspace_index();
         let last = global.screen.n_workspaces - 1;
         let activate = current;
-        if (direction == Clutter.ScrollDirection.DOWN && current < last)
-            activate++;
-        else if (direction == Clutter.ScrollDirection.UP && current > 0)
-            activate--;
+        if (direction == Clutter.ScrollDirection.DOWN) {
+            if (rtl && current > 0)
+                activate--;
+            else if (!rtl && current < last)
+                activate++;
+        } else if (direction == Clutter.ScrollDirection.UP) {
+            if (rtl && current < last)
+                activate++;
+            else if (!rtl && current > 0)
+                activate--;
+        }
 
         if (activate != current) {
             let metaWorkspace = this._workspaces[activate].metaWorkspace;