diff options
Diffstat (limited to 'src/gui/piePreviewAddSign.vala')
| -rw-r--r-- | src/gui/piePreviewAddSign.vala | 140 |
1 files changed, 70 insertions, 70 deletions
diff --git a/src/gui/piePreviewAddSign.vala b/src/gui/piePreviewAddSign.vala index ee8c14b..fb5e9fa 100644 --- a/src/gui/piePreviewAddSign.vala +++ b/src/gui/piePreviewAddSign.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 { -///////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////// /// A liitle plus-sign displayed on the preview widget to indicate where /// the user may add a new Slice. ///////////////////////////////////////////////////////////////////////// @@ -31,57 +31,57 @@ public class PiePreviewAddSign : GLib.Object { ///////////////////////////////////////////////////////////////////// public signal void on_clicked(int position); - + ///////////////////////////////////////////////////////////////////// /// The image used to display this oject. ///////////////////////////////////////////////////////////////////// - + public Image icon { get; private set; } - + ///////////////////////////////////////////////////////////////////// /// True, when the add sign is currently visible. ///////////////////////////////////////////////////////////////////// - + public bool visible { get; private set; default=false; } - + ///////////////////////////////////////////////////////////////////// /// The position of the sign in its parent Pie. May be 2.5 for /// example. ///////////////////////////////////////////////////////////////////// - + private double position = 0; - + ///////////////////////////////////////////////////////////////////// /// The parent renderer. ///////////////////////////////////////////////////////////////////// - private unowned PiePreviewRenderer parent; - + private unowned PiePreviewRenderer parent; + ///////////////////////////////////////////////////////////////////// /// Some values used for displaying this sign. ///////////////////////////////////////////////////////////////////// - + private double time = 0; - private double max_size = 0; - private double angle = 0; - private AnimatedValue size; - private AnimatedValue alpha; - private AnimatedValue activity; - private AnimatedValue clicked; - + private double max_size = 0; + private double angle = 0; + private AnimatedValue size; + private AnimatedValue alpha; + private AnimatedValue activity; + private AnimatedValue clicked; + ///////////////////////////////////////////////////////////////////// /// C'tor, sets everything up. ///////////////////////////////////////////////////////////////////// public PiePreviewAddSign(PiePreviewRenderer parent) { this.parent = parent; - + this.size = new AnimatedValue.cubic(AnimatedValue.Direction.OUT, 0, 0, 0, 2.0); this.alpha = new AnimatedValue.cubic(AnimatedValue.Direction.OUT, 0, 0, 0, 0.0); this.activity = new AnimatedValue.cubic(AnimatedValue.Direction.OUT, -3, -3, 0, 0.0); this.clicked = new AnimatedValue.cubic(AnimatedValue.Direction.OUT, 1, 1, 0, 0.0); } - + ///////////////////////////////////////////////////////////////////// /// Loads the desired icon for this sign. ///////////////////////////////////////////////////////////////////// @@ -89,41 +89,41 @@ public class PiePreviewAddSign : GLib.Object { public void load() { this.icon = new Icon("add", 36); } - + ///////////////////////////////////////////////////////////////////// /// Updates the position where this object should be displayed. ///////////////////////////////////////////////////////////////////// public void set_position(int position) { double new_position = position; - + if (!this.parent.drag_n_drop_mode) new_position += 0.5; this.position = new_position; this.angle = 2.0 * PI * new_position/parent.slice_count(); } - + ///////////////////////////////////////////////////////////////////// /// Makes this object visible. ///////////////////////////////////////////////////////////////////// - + public void show() { this.visible = true; - this.size.reset_target(this.max_size, 0.3); - this.alpha.reset_target(1.0, 0.3); + this.size.reset_target(this.max_size, 0.3); + this.alpha.reset_target(1.0, 0.3); } - + ///////////////////////////////////////////////////////////////////// /// Makes this object invisible. ///////////////////////////////////////////////////////////////////// - + public void hide() { this.visible = false; - this.size.reset_target(0.0, 0.3); - this.alpha.reset_target(0.0, 0.3); + this.size.reset_target(0.0, 0.3); + this.alpha.reset_target(0.0, 0.3); } - + ///////////////////////////////////////////////////////////////////// /// Updates the size of this object. All transitions will be smooth. ///////////////////////////////////////////////////////////////////// @@ -132,7 +132,7 @@ public class PiePreviewAddSign : GLib.Object { this.max_size = size; this.size.reset_target(size, 0.5); } - + ///////////////////////////////////////////////////////////////////// /// Draws the sign to the given context. ///////////////////////////////////////////////////////////////////// @@ -140,75 +140,75 @@ public class PiePreviewAddSign : GLib.Object { public void draw(double frame_time, Cairo.Context ctx) { this.time += frame_time; - + this.size.update(frame_time); this.alpha.update(frame_time); this.activity.update(frame_time); this.clicked.update(frame_time); - + if (this.parent.slice_count() == 0) { ctx.save(); - - double scale = this.clicked.val + + double scale = this.clicked.val + GLib.Math.sin(this.time*10)*0.02*this.alpha.val + this.alpha.val*0.08 - 0.1; ctx.scale(scale, scale); - + // paint the image icon.paint_on(ctx); - + ctx.restore(); - + } else if (this.alpha.val*this.activity.val > 0) { ctx.save(); - + // distance from the center double radius = 120; - + // transform the context ctx.translate(cos(this.angle)*radius, sin(this.angle)*radius); - double scale = this.size.val*this.clicked.val + double scale = this.size.val*this.clicked.val + this.activity.val*0.07 + GLib.Math.sin(this.time*10)*0.03*this.activity.val - 0.1; ctx.scale(scale, scale); - + // paint the image icon.paint_on(ctx, this.alpha.val*this.activity.val); - + ctx.restore(); } } - + ///////////////////////////////////////////////////////////////////// /// Called when the mouse moves to another position. ///////////////////////////////////////////////////////////////////// - + public void on_mouse_move(double angle) { double direction = 2.0 * PI * position/parent.slice_count(); double diff = fabs(angle-direction); - + if (diff > PI) - diff = 2 * PI - diff; - - if (diff < 0.5*PI/parent.slice_count()) this.activity.reset_target(1.0, 1.0); + diff = 2 * PI - diff; + + if (diff < 0.5*PI/parent.slice_count()) this.activity.reset_target(1.0, 1.0); else this.activity.reset_target(-3.0, 1.5); } - + ///////////////////////////////////////////////////////////////////// /// Called when a button of the mouse is pressed. ///////////////////////////////////////////////////////////////////// - + public void on_button_press(double x, double y) { if (this.activity.end == 1.0) { this.clicked.reset_target(0.9, 0.1); } } - + ///////////////////////////////////////////////////////////////////// /// Called when a button of the mouse is released. ///////////////////////////////////////////////////////////////////// - + public void on_button_release(double x, double y) { if (this.clicked.end == 0.9) { this.clicked.reset_target(1.0, 0.1); |