Imported Upstream version 0.6.0upstream/0.6.0

1 files changed, 123 insertions, 91 deletions

diff --git a/src/renderers/centerRenderer.vala b/src/renderers/centerRenderer.vala
index fab633e..e94714f 100644
--- a/src/renderers/centerRenderer.vala
+++ b/src/renderers/centerRenderer.vala
@@ -1,25 +1,25 @@
-/* 
-Copyright (c) 2011 by Simon Schneegans
-
-This program is free software: you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by the Free
-Software Foundation, either version 3 of the License, or (at your option)
-any later version.
-
-This program is distributed in the hope that it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-more details.
-
-You should have received a copy of the GNU General Public License along with
-this program.  If not, see <http://www.gnu.org/licenses/>. 
-*/
+/////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2011-2015 by Simon Schneegans
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or (at
+// your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+/////////////////////////////////////////////////////////////////////////
 
 using GLib.Math;
 
 namespace GnomePie {
 
-/////////////////////////////////////////////////////////////////////////    
+/////////////////////////////////////////////////////////////////////////
 ///  Renders the center of a Pie.
 /////////////////////////////////////////////////////////////////////////
 
@@ -30,26 +30,26 @@ public class CenterRenderer : GLib.Object {
     /////////////////////////////////////////////////////////////////////
 
     private unowned PieRenderer parent;
-    
+
     /////////////////////////////////////////////////////////////////////
     /// The caption drawn in the center. Changes when the active slice
     /// changes.
     /////////////////////////////////////////////////////////////////////
-    
+
     private unowned Image? caption;
-    
+
     /////////////////////////////////////////////////////////////////////
     /// The color of the currently active slice. Used to colorize layers.
     /////////////////////////////////////////////////////////////////////
-    
+
     private Color color;
-    
+
     /////////////////////////////////////////////////////////////////////
     /// Two AnimatedValues: alpha is for global transparency (when
     /// fading in/out), activity is 1.0 if there is an active slice and
     /// 0.0 if there is no active slice.
     /////////////////////////////////////////////////////////////////////
-    
+
     private AnimatedValue activity;
     private AnimatedValue alpha;
 
@@ -64,22 +64,22 @@ public class CenterRenderer : GLib.Object {
         this.color = new Color();
         this.caption = null;
     }
-    
+
     /////////////////////////////////////////////////////////////////////
     /// Initiates the fade-out animation by resetting the targets of the
     /// AnimatedValues to 0.0.
     /////////////////////////////////////////////////////////////////////
-    
+
     public void fade_out() {
         this.activity.reset_target(0.0, Config.global.theme.fade_out_time);
         this.alpha.reset_target(0.0, Config.global.theme.fade_out_time);
     }
-    
+
     /////////////////////////////////////////////////////////////////////
     /// Should be called if the active slice of the PieRenderer changes.
     /// The members activity, caption and color are set accordingly.
     /////////////////////////////////////////////////////////////////////
-    
+
     public void set_active_slice(SliceRenderer? active_slice) {
         if (active_slice == null) {
             this.activity.reset_target(0.0, Config.global.theme.transition_time);
@@ -89,104 +89,136 @@ public class CenterRenderer : GLib.Object {
             this.color   = active_slice.color;
         }
     }
-    
+
     /////////////////////////////////////////////////////////////////////
     /// Draws all center layers and the caption.
     /////////////////////////////////////////////////////////////////////
-    
-    public void draw(double frame_time, Cairo.Context ctx, double angle, double distance) {
+
+    public void draw(double frame_time, Cairo.Context ctx, double angle, int slice_track) {
         // get all center_layers
-	    var layers = Config.global.theme.center_layers;
-        
+        var layers = Config.global.theme.center_layers;
+
         // update the AnimatedValues
         this.activity.update(frame_time);
         this.alpha.update(frame_time);
-	
-	    // draw each layer
-	    foreach (var layer in layers) {
-	        ctx.save();
+
+        // draw each layer
+        foreach (var layer in layers) {
+            ctx.save();
 
             // calculate all values needed for animation/drawing
-            double active_speed = (layer.active_rotation_mode == CenterLayer.RotationMode.TO_MOUSE) ? 
+            double active_speed = (layer.active_rotation_mode == CenterLayer.RotationMode.TO_MOUSE) ?
                 0.0 : layer.active_rotation_speed;
-            double inactive_speed = (layer.inactive_rotation_mode == CenterLayer.RotationMode.TO_MOUSE) ? 
+            double inactive_speed = (layer.inactive_rotation_mode == CenterLayer.RotationMode.TO_MOUSE) ?
                 0.0 : layer.inactive_rotation_speed;
-	        double max_scale = layer.active_scale*this.activity.val 
-	            + layer.inactive_scale*(1.0-this.activity.val);
-            double max_alpha = layer.active_alpha*this.activity.val 
+            double max_scale = layer.active_scale*this.activity.val
+                + layer.inactive_scale*(1.0-this.activity.val);
+            double max_alpha = layer.active_alpha*this.activity.val
                 + layer.inactive_alpha*(1.0-this.activity.val);
-            double colorize = ((layer.active_colorize == true) ? this.activity.val : 0.0) 
+            double colorize = ((layer.active_colorize == true) ? this.activity.val : 0.0)
                 + ((layer.inactive_colorize == true) ? 1.0 - this.activity.val : 0.0);
-            double max_rotation_speed = active_speed*this.activity.val 
+            double max_rotation_speed = active_speed*this.activity.val
                 + inactive_speed*(1.0-this.activity.val);
-            CenterLayer.RotationMode rotation_mode = ((this.activity.val > 0.5) ? 
+            CenterLayer.RotationMode rotation_mode = ((this.activity.val > 0.5) ?
                 layer.active_rotation_mode : layer.inactive_rotation_mode);
-	        
-	        if (rotation_mode == CenterLayer.RotationMode.TO_MOUSE) {
-	            double diff = angle-layer.rotation;
-	            max_rotation_speed = layer.active_rotation_speed*this.activity.val 
-	                + layer.inactive_rotation_speed*(1.0-this.activity.val);
-	            double smoothy = fabs(diff) < 0.9 ? fabs(diff) + 0.1 : 1.0; 
-	            double step = max_rotation_speed*frame_time*smoothy;
-	            
+
+            if (rotation_mode == CenterLayer.RotationMode.TO_MOUSE) {
+                double diff = angle-layer.rotation;
+                max_rotation_speed = layer.active_rotation_speed*this.activity.val
+                    + layer.inactive_rotation_speed*(1.0-this.activity.val);
+                double smoothy = fabs(diff) < 0.9 ? fabs(diff) + 0.1 : 1.0;
+                double step = max_rotation_speed*frame_time*smoothy;
+
                 if (fabs(diff) <= step || fabs(diff) >= 2.0*PI - step)
-		            layer.rotation = angle;
-	            else {
-	                if ((diff > 0 && diff < PI) || diff < -PI) layer.rotation += step;
-		            else            		                   layer.rotation -= step;
+                    layer.rotation = angle;
+                else {
+                    if ((diff > 0 && diff < PI) || diff < -PI) layer.rotation += step;
+                    else                                       layer.rotation -= step;
                 }
-                
-	        } else if (rotation_mode == CenterLayer.RotationMode.TO_ACTIVE) {
-	            max_rotation_speed *= this.activity.val;
-	            
-	            double slice_angle = parent.slice_count() > 0 ? 2*PI/parent.slice_count() : 0;
-	            double direction = (int)((angle+0.5*slice_angle) / (slice_angle))*slice_angle;
-	            double diff = direction-layer.rotation;
-	            double step = max_rotation_speed*frame_time;
-	            
+
+            } else if (rotation_mode == CenterLayer.RotationMode.TO_ACTIVE) {
+                max_rotation_speed *= this.activity.val;
+
+                double slice_angle = parent.total_slice_count > 0 ? 2*PI/parent.total_slice_count : 0;
+                double direction = (int)((angle+0.5*slice_angle) / (slice_angle))*slice_angle;
+                double diff = direction-layer.rotation;
+                double step = max_rotation_speed*frame_time;
+
                 if (fabs(diff) <= step || fabs(diff) >= 2.0*PI - step)
-		            layer.rotation = direction;
-	            else {
-	                if ((diff > 0 && diff < PI) || diff < -PI) layer.rotation += step;
-		            else            		                   layer.rotation -= step;
+                    layer.rotation = direction;
+                else {
+                    if ((diff > 0 && diff < PI) || diff < -PI) layer.rotation += step;
+                    else                                       layer.rotation -= step;
                 }
-	            
-	        } else layer.rotation += max_rotation_speed*frame_time;
-	        
-	        layer.rotation = fmod(layer.rotation+2*PI, 2*PI);
-	        
-	        if (colorize > 0.0) ctx.push_group();
-	        
-	        // transform the context
-	        ctx.rotate(layer.rotation);
-	        ctx.scale(max_scale, max_scale);
-	        
-	        // paint the layer
-	        layer.image.paint_on(ctx, this.alpha.val*max_alpha);
-            
+
+            } else layer.rotation += max_rotation_speed*frame_time;
+
+            layer.rotation = fmod(layer.rotation+2*PI, 2*PI);
+
+            if (colorize > 0.0) ctx.push_group();
+
+            // transform the context
+            ctx.rotate(layer.rotation);
+            ctx.scale(max_scale, max_scale);
+
+            // paint the layer
+            layer.image.paint_on(ctx, this.alpha.val*max_alpha);
+
             // colorize it, if necessary
             if (colorize > 0.0) {
                 ctx.set_operator(Cairo.Operator.ATOP);
                 ctx.set_source_rgb(this.color.r, this.color.g, this.color.b);
                 ctx.paint_with_alpha(colorize);
-                
+
                 ctx.set_operator(Cairo.Operator.OVER);
                 ctx.pop_group_to_source();
-	            ctx.paint();
-	        }
-            
+                ctx.paint();
+            }
+
             ctx.restore();
         }
-        
+
         // draw caption
         if (Config.global.theme.caption && caption != null && this.activity.val > 0) {
-		    ctx.save();
+            ctx.save();
             ctx.identity_matrix();
-            int pos = this.parent.size/2;
-            ctx.translate(pos, (int)(Config.global.theme.caption_position) + pos);
+            ctx.translate(this.parent.center_x, (int)(Config.global.theme.caption_position) + this.parent.center_y);
             caption.paint_on(ctx, this.activity.val*this.alpha.val);
             ctx.restore();
         }
+
+        //scroll pie
+        if (this.alpha.val > 0.1
+            && this.parent.original_visible_slice_count < this.parent.slice_count()
+            && this.parent.original_visible_slice_count > 0) {
+            int np= (this.parent.slice_count()+this.parent.original_visible_slice_count -1)/this.parent.original_visible_slice_count;
+            int cp= this.parent.first_slice_idx / this.parent.original_visible_slice_count;
+            int r= 8;       //circle radious
+            int dy= 20;     //distance between circles
+            double a= 0.8 * this.alpha.val;
+            int dx= (int)Config.global.theme.center_radius + r + 10;
+            if (this.parent.center_x + dx > this.parent.size_w)
+                dx= -dx;    //no right side, put scroll in the left size
+            ctx.save();
+            ctx.identity_matrix();
+            ctx.translate(this.parent.center_x + dx, this.parent.center_y - (np-1)*dy/2);
+            for (int i=0; i<np; i++) {
+                ctx.arc( 0, 0, r, 0, 2*PI );
+                if (i == cp){
+                    ctx.set_source_rgba(0.3,0.3,0.3, a);    //light gray stroke
+                    ctx.stroke_preserve();
+                    ctx.set_source_rgba(1,1,1, a);          //white fill
+                    ctx.fill(); //current
+                } else {
+                    ctx.set_source_rgba(1,1,1, a);          //white stroke
+                    ctx.stroke_preserve();
+                    ctx.set_source_rgba(0.3,0.3,0.3, a/4);  //light gray fill
+                    ctx.fill(); //current
+                }
+                ctx.translate(0, dy);
+            }
+            ctx.restore();
+        }
     }
 }