From b683ce2789d95b2e9f221e75adc30efd91cfb901 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 24 Jan 2015 11:03:06 +0100 Subject: Imported Upstream version 0.5.7 --- src/gui/piePreviewRenderer.vala | 201 +++++++++++++++++++++------------------- 1 file changed, 104 insertions(+), 97 deletions(-) (limited to 'src/gui/piePreviewRenderer.vala') diff --git a/src/gui/piePreviewRenderer.vala b/src/gui/piePreviewRenderer.vala index 6fff397..626ab73 100644 --- a/src/gui/piePreviewRenderer.vala +++ b/src/gui/piePreviewRenderer.vala @@ -1,4 +1,4 @@ -/* +/* Copyright (c) 2011 by Simon Schneegans This program is free software: you can redistribute it and/or modify it @@ -12,110 +12,117 @@ 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 . +this program. If not, see . */ using GLib.Math; namespace GnomePie { -///////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////// /// A complex class which is able to draw the preview of a Pie. It can /// manipulate the displayed Pie as well. ///////////////////////////////////////////////////////////////////////// public class PiePreviewRenderer : GLib.Object { - + ///////////////////////////////////////////////////////////////////// /// These signals get emitted when a slice is added, removed or /// manipulated. ///////////////////////////////////////////////////////////////////// - + public signal void on_add_slice(int position); public signal void on_remove_slice(int position); public signal void on_edit_slice(int position); - + ///////////////////////////////////////////////////////////////////// /// True, when there is currently a drag going on. ///////////////////////////////////////////////////////////////////// - + public bool drag_n_drop_mode { get; private set; default=false; } - + ///////////////////////////////////////////////////////////////////// /// A list containing all SliceRenderers of this Pie. ///////////////////////////////////////////////////////////////////// - + public Gee.ArrayList slices; - + ///////////////////////////////////////////////////////////////////// /// When a Slice is moved within a Pie it is temporarily removed. /// If so, it is stored in this member. ///////////////////////////////////////////////////////////////////// - + public PiePreviewSliceRenderer hidden_group { get; private set; default=null; } - + ///////////////////////////////////////////////////////////////////// /// The add sign which indicates that a new Slice could be added. ///////////////////////////////////////////////////////////////////// - + private PiePreviewAddSign add_sign = null; - + ///////////////////////////////////////////////////////////////////// /// The object which renders the name of the currently selected Slice /// in the middle. ///////////////////////////////////////////////////////////////////// - + private PiePreviewCenter center_renderer = null; private enum CenterDisplay { NONE, ACTIVE_SLICE, DROP, ADD, DELETE } - + ///////////////////////////////////////////////////////////////////// /// Some members storing some inter-frame-information. ///////////////////////////////////////////////////////////////////// private int active_slice = -1; - private double angle = 0.0; + private double angle = 0.0; private double mouse_x = 0.0; private double mouse_y = 0.0; - + + ///////////////////////////////////////////////////////////////////// + /// The parent DrawingArea. + ///////////////////////////////////////////////////////////////////// + + public unowned Gtk.DrawingArea parent; + ///////////////////////////////////////////////////////////////////// /// C'tor, initializes members. ///////////////////////////////////////////////////////////////////// - - public PiePreviewRenderer() { - this.slices = new Gee.ArrayList(); + + public PiePreviewRenderer(Gtk.DrawingArea parent) { + this.parent = parent; + this.slices = new Gee.ArrayList(); this.center_renderer = new PiePreviewCenter(this); this.add_sign = new PiePreviewAddSign(this); this.add_sign.load(); - + this.add_sign.on_clicked.connect((pos) => { this.on_add_slice(pos); }); } - + ///////////////////////////////////////////////////////////////////// /// Loads an Pie. All members are initialized accordingly. ///////////////////////////////////////////////////////////////////// - + public void load_pie(Pie pie) { this.slices.clear(); - + foreach (var group in pie.action_groups) { var renderer = new PiePreviewSliceRenderer(this); renderer.load(group); - + this.add_slice_renderer(renderer); this.connect_siganls(renderer); } - + this.active_slice = -1; this.update_sizes(); this.update_positions(false); } - + ///////////////////////////////////////////////////////////////////// /// Enables or disables the drag n dropn mode. ///////////////////////////////////////////////////////////////////// - + public void set_dnd_mode(bool dnd) { if (this.drag_n_drop_mode != dnd) { this.drag_n_drop_mode = dnd; @@ -123,144 +130,144 @@ public class PiePreviewRenderer : GLib.Object { this.update_sizes(); } } - + ///////////////////////////////////////////////////////////////////// /// Returns the number of Slices. ///////////////////////////////////////////////////////////////////// - + public int slice_count() { - if (this.drag_n_drop_mode && !(this.slices.size == 0)) + if (this.drag_n_drop_mode && !(this.slices.size == 0)) return slices.size+1; - + return slices.size; } - + ///////////////////////////////////////////////////////////////////// /// Returns the index of the currently hovered Slice. ///////////////////////////////////////////////////////////////////// - + public int get_active_slice() { if (this.slices.size == 0) return 0; - + if (this.drag_n_drop_mode) return (int)(this.angle/(2*PI)*this.slice_count() + 0.5) % this.slice_count(); - + return this.active_slice; } - + ///////////////////////////////////////////////////////////////////// /// Returns the Icon of the currently hovered Slice. ///////////////////////////////////////////////////////////////////// - + public Icon get_active_icon() { if (this.active_slice >= 0 && this.active_slice < this.slices.size) return this.slices[this.active_slice].icon; else return new Icon("", 24); } - + ///////////////////////////////////////////////////////////////////// /// Draws the entire Pie to the given context. ///////////////////////////////////////////////////////////////////// - + public void draw(double frame_time, Cairo.Context ctx) { this.add_sign.draw(frame_time, ctx); this.center_renderer.draw(frame_time, ctx); - + foreach (var slice in this.slices) slice.draw(frame_time, ctx); } - + ///////////////////////////////////////////////////////////////////// /// Called when the mouse leaves the drawing area of this renderer. ///////////////////////////////////////////////////////////////////// - + public void on_mouse_leave() { this.add_sign.hide(); this.update_positions(); this.update_center(CenterDisplay.NONE); - + foreach (var slice in this.slices) slice.on_mouse_leave(); } - + ///////////////////////////////////////////////////////////////////// /// Called when the mouse enters the drawing area of this renderer. ///////////////////////////////////////////////////////////////////// - + public void on_mouse_enter() { this.add_sign.show(); this.update_positions(); } - + ///////////////////////////////////////////////////////////////////// /// Called when the mouse moves in the drawing area of this renderer. ///////////////////////////////////////////////////////////////////// - + public void on_mouse_move(double x, double y) { this.mouse_x = x; this.mouse_y = y; - + this.angle = acos(x/sqrt(x*x + y*y)); if (y < 0) this.angle = 2*PI - this.angle; - + if (!this.drag_n_drop_mode) this.active_slice = -1; - + bool delete_hovered = false; - + for (int i=0; i index) { this.slices.remove_at(index); @@ -268,22 +275,22 @@ public class PiePreviewRenderer : GLib.Object { this.update_sizes(); } } - + ///////////////////////////////////////////////////////////////////// /// Hides the Slice at the given position temporarily. ///////////////////////////////////////////////////////////////////// - + public void hide_group(int index) { if (this.slices.size > index) { this.hidden_group = this.slices[index]; this.remove_group(index); } } - + ///////////////////////////////////////////////////////////////////// /// Re-shows a Slice which has been hidden before. ///////////////////////////////////////////////////////////////////// - + public void show_hidden_group_at(int index) { if (this.slices.size >= index && this.hidden_group != null) { this.hidden_group.set_position(index, false); @@ -291,78 +298,78 @@ public class PiePreviewRenderer : GLib.Object { this.hidden_group = null; } } - + ///////////////////////////////////////////////////////////////////// /// Updates a Slice at the given position. ///////////////////////////////////////////////////////////////////// - + public void update_group(ActionGroup group, int index) { if (this.slices.size > index) { var renderer = new PiePreviewSliceRenderer(this); this.slices.set(index, renderer); renderer.load(group); - + this.connect_siganls(renderer); - + this.update_positions(false); this.update_sizes(); } } - + ///////////////////////////////////////////////////////////////////// /// Disables all quickactions of this pie preview. ///////////////////////////////////////////////////////////////////// - + public void disable_quickactions() { foreach (var slice in this.slices) slice.disable_quickactions(); } - + ///////////////////////////////////////////////////////////////////// /// Helper method which adds a new Slice to the given position. ///////////////////////////////////////////////////////////////////// - + private void add_slice_renderer(PiePreviewSliceRenderer renderer, int at_position = -1) { if (at_position < 0 || at_position >= this.slices.size) this.slices.add(renderer); else this.slices.insert(at_position, renderer); - + this.update_positions(false); this.update_sizes(); } - + ///////////////////////////////////////////////////////////////////// /// Helper method which connects all neccessary signals of a newly /// added Slice. ///////////////////////////////////////////////////////////////////// - + private void connect_siganls(PiePreviewSliceRenderer renderer) { renderer.on_clicked.connect((pos) => { this.on_edit_slice(pos); }); - + renderer.on_remove.connect((pos) => { this.on_remove_slice(pos); }); } - + ///////////////////////////////////////////////////////////////////// /// Moves all slices to their positions. This may happen smoothly if /// desired. ///////////////////////////////////////////////////////////////////// - + private void update_positions(bool smoothly = true) { if (this.slices.size > 0) { if (this.add_sign.visible) { int add_position = 0; add_position = (int)(this.angle/(2*PI)*this.slice_count()) % this.slice_count(); this.add_sign.set_position(add_position); - + for (int i=0; i= add_position ? i+1 : i, smoothly); } - + this.update_center(CenterDisplay.DROP); - + } else { for (int i=0; i 20) size = 0.5; else if (this.slice_count() > 8) size = 1.0 - (double)(this.slice_count() - 8)/24.0; - + this.add_sign.set_size(size); - - for (int i=0; i= 0 && this.active_slice < this.slices.size) - this.center_renderer.set_text("" + GLib.Markup.escape_text(slices[this.active_slice].name) + "\n" + this.center_renderer.set_text("" + GLib.Markup.escape_text(slices[this.active_slice].name) + "\n" + _("Click to edit") + "\n" + _("Drag to move") + ""); break; case CenterDisplay.ADD: @@ -423,7 +430,7 @@ public class PiePreviewRenderer : GLib.Object { break; case CenterDisplay.DELETE: if (this.active_slice >= 0 && this.active_slice < this.slices.size) - this.center_renderer.set_text("" + GLib.Markup.escape_text(slices[this.active_slice].name) + "\n" + this.center_renderer.set_text("" + GLib.Markup.escape_text(slices[this.active_slice].name) + "\n" + _("Click to delete") + "\n" + _("Drag to move") + ""); break; default: -- cgit v1.2.3