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-rw-r--r--src/renderers/centerRenderer.vala214
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();
+ }
}
}
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