/*
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 .
*/
using GLib.Math;
namespace GnomePie {
/////////////////////////////////////////////////////////////////////////
/// A theme of Gnome-Pie. Can be loaded from XML-Files.
/////////////////////////////////////////////////////////////////////////
public class Theme : GLib.Object {
/////////////////////////////////////////////////////////////////////
/// Properties of a theme.
/////////////////////////////////////////////////////////////////////
public string directory {get; private set; default="";}
public string name {get; private set; default="";}
public string description {get; private set; default="";}
public string author {get; private set; default="";}
public string email {get; private set; default="";}
public double radius {get; private set; default=150;}
public double max_zoom {get; private set; default=1.2;}
public double zoom_range {get; private set; default=0.2;}
public double transition_time {get; private set; default=0.5;}
public double wobble {get; private set; default=0.0;}
public double fade_in_time {get; private set; default=0.2;}
public double fade_out_time {get; private set; default=0.1;}
public double fade_in_zoom {get; private set; default=1.0;}
public double fade_out_zoom {get; private set; default=1.0;}
public double fade_in_rotation {get; private set; default=0.0;}
public double fade_out_rotation{get; private set; default=0.0;}
public double springiness {get; private set; default=0.0;}
public double center_radius {get; private set; default=90.0;}
public double active_radius {get; private set; default=45.0;}
public double slice_radius {get; private set; default=32.0;}
public double slice_gap {get; private set; default=14.0;}
public bool has_slice_captions {get; private set; default=false;}
public bool caption {get; private set; default=false;}
public string caption_font {get; private set; default="sans 12";}
public int caption_width {get; private set; default=100;}
public int caption_height {get; private set; default=100;}
public double caption_position {get; private set; default=0.0;}
public Color caption_color {get; private set; default=new Color();}
public Icon preview_icon {get; private set; default=new Icon("gnome-pie", 36);}
public Gee.ArrayList center_layers {get; private set;}
public Gee.ArrayList active_slice_layers {get; private set;}
public Gee.ArrayList inactive_slice_layers {get; private set;}
/////////////////////////////////////////////////////////////////////
/// C'tor, creates a theme object for a given theme directory. This
/// directory should contain a theme.xml file.
/////////////////////////////////////////////////////////////////////
public Theme(string dir) {
this.center_layers = new Gee.ArrayList();
this.active_slice_layers = new Gee.ArrayList();
this.inactive_slice_layers = new Gee.ArrayList();
this.directory = dir;
}
/////////////////////////////////////////////////////////////////////
/// Loads the theme from its directory. Images have to be loaded
/// explicitly.
/////////////////////////////////////////////////////////////////////
public bool load() {
this.center_layers.clear();
this.active_slice_layers.clear();
this.inactive_slice_layers.clear();
this.preview_icon = new Icon(this.directory + "/preview.png", 36);
Xml.Parser.init();
string path = this.directory + "/theme.xml";
Xml.Doc* themeXML = Xml.Parser.parse_file(path);
if (themeXML == null) {
warning("Failed to add theme: \"" + path + "\" not found!");
return false;
}
Xml.Node* root = themeXML->get_root_element();
if (root == null) {
delete themeXML;
warning("Failed to add theme: \"theme.xml\" is empty!");
return false;
}
this.parse_root(root);
delete themeXML;
Xml.Parser.cleanup();
this.radius *= max_zoom;
return true;
}
/////////////////////////////////////////////////////////////////////
/// Loads all images of the theme.
/////////////////////////////////////////////////////////////////////
public void load_images() {
foreach (var layer in this.center_layers)
layer.load_image();
foreach (var layer in this.active_slice_layers)
layer.load_image();
foreach (var layer in this.inactive_slice_layers)
layer.load_image();
}
/////////////////////////////////////////////////////////////////////
/// The following methods parse specific parts of the theme file.
/// Nothing special here, just some boring code.
/////////////////////////////////////////////////////////////////////
private void parse_root(Xml.Node* root) {
for (Xml.Attr* attribute = root->properties; attribute != null; attribute = attribute->next) {
string attr_name = attribute->name.down();
string attr_content = attribute->children->content;
switch (attr_name) {
case "name":
name = attr_content;
break;
case "description":
description = attr_content;
break;
case "email":
email = attr_content;
break;
case "author":
author = attr_content;
break;
default:
warning("Invalid attribute \"" + attr_name + "\" in element!");
break;
}
}
for (Xml.Node* node = root->children; node != null; node = node->next) {
if (node->type == Xml.ElementType.ELEMENT_NODE) {
parse_pie(node);
}
}
}
/////////////////////////////////////////////////////////////////////
/// Parses a element from the theme.xml file.
/////////////////////////////////////////////////////////////////////
private void parse_pie(Xml.Node* pie) {
for (Xml.Attr* attribute = pie->properties; attribute != null; attribute = attribute->next) {
string attr_name = attribute->name.down();
string attr_content = attribute->children->content;
switch (attr_name) {
case "radius":
radius = double.parse(attr_content) * Config.global.global_scale;
break;
case "maxzoom":
max_zoom = double.parse(attr_content);
break;
case "zoomrange":
zoom_range = double.parse(attr_content);
break;
case "transitiontime":
transition_time = double.parse(attr_content);
break;
case "wobble":
wobble = double.parse(attr_content);
break;
case "fadeintime":
fade_in_time = double.parse(attr_content);
break;
case "fadeouttime":
fade_out_time = double.parse(attr_content);
break;
case "fadeinzoom":
fade_in_zoom = double.parse(attr_content);
break;
case "fadeoutzoom":
fade_out_zoom = double.parse(attr_content);
break;
case "fadeinrotation":
fade_in_rotation = double.parse(attr_content);
break;
case "fadeoutrotation":
fade_out_rotation = double.parse(attr_content);
break;
case "springiness":
springiness = double.parse(attr_content);
break;
default:
warning("Invalid attribute \"" + attr_name + "\" in element!");
break;
}
}
for (Xml.Node* node = pie->children; node != null; node = node->next) {
if (node->type == Xml.ElementType.ELEMENT_NODE) {
string element_name = node->name.down();
switch (element_name) {
case "center":
parse_center(node);
break;
case "slices":
parse_slices(node);
break;
case "caption":
caption = true;
parse_caption(node);
break;
default:
warning("Invalid child element \"" + element_name + "\" in element!");
break;
}
}
}
}
/////////////////////////////////////////////////////////////////////
/// Parses a element from the theme.xml file.
/////////////////////////////////////////////////////////////////////
private void parse_center(Xml.Node* center) {
for (Xml.Attr* attribute = center->properties; attribute != null; attribute = attribute->next) {
string attr_name = attribute->name.down();
string attr_content = attribute->children->content;
switch (attr_name) {
case "radius":
center_radius = double.parse(attr_content) * Config.global.global_scale;
break;
case "activeradius":
active_radius = double.parse(attr_content) * Config.global.global_scale;
break;
default:
warning("Invalid attribute \"" + attr_name + "\" in element!");
break;
}
}
for (Xml.Node* node = center->children; node != null; node = node->next) {
if (node->type == Xml.ElementType.ELEMENT_NODE) {
string element_name = node->name.down();
if (element_name == "center_layer") {
parse_center_layer(node);
} else {
warning("Invalid child element \"" + element_name + "\" in element!");
}
}
}
}
/////////////////////////////////////////////////////////////////////
/// Parses a element from the theme.xml file.
/////////////////////////////////////////////////////////////////////
private void parse_slices(Xml.Node* slices) {
for (Xml.Attr* attribute = slices->properties; attribute != null; attribute = attribute->next) {
string attr_name = attribute->name.down();
string attr_content = attribute->children->content;
switch (attr_name) {
case "radius":
slice_radius = double.parse(attr_content) * Config.global.global_scale;
break;
case "mingap":
slice_gap = double.parse(attr_content) * Config.global.global_scale;
break;
default:
warning("Invalid attribute \"" + attr_name + "\" in element!");
break;
}
}
for (Xml.Node* node = slices->children; node != null; node = node->next) {
if (node->type == Xml.ElementType.ELEMENT_NODE) {
string element_name = node->name.down();
if (element_name == "activeslice" || element_name == "inactiveslice") {
parse_slice_layers(node);
} else {
warning("Invalid child element \"" + element_name + "\" in element!");
}
}
}
}
/////////////////////////////////////////////////////////////////////
/// Parses a element from the theme.xml file.
/////////////////////////////////////////////////////////////////////
private void parse_center_layer(Xml.Node* layer) {
string file = "";
double active_rotation_speed = 0.0;
double inactive_rotation_speed = 0.0;
double active_scale = 1.0;
double inactive_scale = 1.0;
double active_alpha = 1.0;
double inactive_alpha = 1.0;
bool active_colorize = false;
bool inactive_colorize = false;
CenterLayer.RotationMode active_rotation_mode = CenterLayer.RotationMode.AUTO;
CenterLayer.RotationMode inactive_rotation_mode = CenterLayer.RotationMode.AUTO;
for (Xml.Attr* attribute = layer->properties; attribute != null; attribute = attribute->next) {
string attr_name = attribute->name.down();
string attr_content = attribute->children->content;
switch (attr_name) {
case "file":
file = attr_content;
break;
case "active_scale":
active_scale = double.parse(attr_content);
break;
case "active_alpha":
active_alpha = double.parse(attr_content);
break;
case "active_rotationmode":
switch (attr_content.down()) {
case "auto":
active_rotation_mode = CenterLayer.RotationMode.AUTO;
break;
case "turn_to_active":
active_rotation_mode = CenterLayer.RotationMode.TO_ACTIVE;
break;
case "turn_to_mouse":
active_rotation_mode = CenterLayer.RotationMode.TO_MOUSE;
break;
default:
warning("Invalid value \"" + attr_content + "\" for attribute \"" + attr_name + "\" in element!");
break;
}
break;
case "active_rotationspeed":
active_rotation_speed = double.parse(attr_content);
break;
case "active_colorize":
active_colorize = bool.parse(attr_content);
break;
case "inactive_scale":
inactive_scale = double.parse(attr_content);
break;
case "inactive_alpha":
inactive_alpha = double.parse(attr_content);
break;
case "inactive_rotationmode":
switch (attr_content.down()) {
case "auto":
inactive_rotation_mode = CenterLayer.RotationMode.AUTO;
break;
case "turn_to_active":
inactive_rotation_mode = CenterLayer.RotationMode.TO_ACTIVE;
break;
case "turn_to_mouse":
inactive_rotation_mode = CenterLayer.RotationMode.TO_MOUSE;
break;
default:
warning("Invalid value \"" + attr_content + "\" for attribute \"" + attr_name + "\" in element!");
break;
}
break;
case "inactive_rotationspeed":
inactive_rotation_speed = double.parse(attr_content);
break;
case "inactive_colorize":
inactive_colorize = bool.parse(attr_content);
break;
default:
warning("Invalid attribute \"" + attr_name + "\" in element!");
break;
}
}
double max_scale = GLib.Math.fmax(active_scale, inactive_scale);
center_layers.add(new CenterLayer(directory + "/" + file, (int)(center_radius*max_scale), active_scale/max_scale, active_rotation_speed, active_alpha, active_colorize, active_rotation_mode,
inactive_scale/max_scale, inactive_rotation_speed, inactive_alpha, inactive_colorize, inactive_rotation_mode));
}
/////////////////////////////////////////////////////////////////////
/// Parses a element from the theme.xml file.
/////////////////////////////////////////////////////////////////////
private void parse_slice_layers(Xml.Node* slice) {
for (Xml.Node* layer = slice->children; layer != null; layer = layer->next) {
if (layer->type == Xml.ElementType.ELEMENT_NODE) {
string element_name = layer->name.down();
if (element_name == "slice_layer") {
string file = "";
double scale = 1.0;
SliceLayer.Type type = SliceLayer.Type.FILE;
SliceLayer.Visibility visibility = SliceLayer.Visibility.ANY;
bool colorize = false;
string slice_caption_font = "sans 8";
int slice_caption_width = 50;
int slice_caption_height = 20;
int pos_x = 0;
int pos_y = 0;
Color slice_caption_color = new Color.from_rgb(1.0f, 1.0f, 1.0f);
for (Xml.Attr* attribute = layer->properties; attribute != null; attribute = attribute->next) {
string attr_name = attribute->name.down();
string attr_content = attribute->children->content;
switch (attr_name) {
case "file":
file = attr_content;
break;
case "scale":
scale = double.parse(attr_content);
break;
case "type":
if (attr_content == "icon")
type = SliceLayer.Type.ICON;
else if (attr_content == "caption")
type = SliceLayer.Type.CAPTION;
else if (attr_content != "file")
warning("Invalid attribute content " + attr_content + " for attribute " + attr_name + " in element!");
break;
case "colorize":
colorize = bool.parse(attr_content);
break;
case "font":
slice_caption_font = attr_content;
break;
case "width":
slice_caption_width = (int)(int.parse(attr_content) * Config.global.global_scale);
if (slice_caption_width % 2 == 1)
--slice_caption_width;
break;
case "height":
slice_caption_height = (int)(int.parse(attr_content) * Config.global.global_scale);
if (slice_caption_height % 2 == 1)
--slice_caption_height;
break;
case "x":
pos_x = (int)(double.parse(attr_content) * Config.global.global_scale);
break;
case "y":
pos_y = (int)(double.parse(attr_content) * Config.global.global_scale);
break;
case "color":
slice_caption_color = new Color.from_string(attr_content);
break;
case "visibility":
if (attr_content == "without_caption")
visibility = SliceLayer.Visibility.WITHOUT_CAPTION;
else if (attr_content == "with_caption") {
this.has_slice_captions = true;
visibility = SliceLayer.Visibility.WITH_CAPTION;
} else if (attr_content != "any")
warning("Invalid attribute content " + attr_content + " for attribute " + attr_name + " in element!");
break;
default:
warning("Invalid attribute \"" + attr_name + "\" in element!");
break;
}
}
if (file != "")
file = directory + "/" + file;
int size = 2*(int)(slice_radius*scale*max_zoom);
if (slice->name.down() == "activeslice") {
if (type == SliceLayer.Type.ICON) active_slice_layers.add(new SliceLayer.icon(file, size, colorize, visibility));
else if (type == SliceLayer.Type.CAPTION) active_slice_layers.add(new SliceLayer.caption(slice_caption_font,
slice_caption_width, slice_caption_height,
pos_y, slice_caption_color, colorize, visibility));
else active_slice_layers.add(new SliceLayer.file(file, size, colorize, visibility));
} else {
if (type == SliceLayer.Type.ICON) inactive_slice_layers.add(new SliceLayer.icon(file, size, colorize, visibility));
else if (type == SliceLayer.Type.CAPTION) inactive_slice_layers.add(new SliceLayer.caption(slice_caption_font,
slice_caption_width, slice_caption_height,
pos_y, slice_caption_color, colorize, visibility));
else inactive_slice_layers.add(new SliceLayer.file(file, size, colorize, visibility));
}
} else {
warning("Invalid child element \"" + element_name + "\" in <" + slice->name + "> element!");
}
}
}
}
/////////////////////////////////////////////////////////////////////
/// Parses a element from the theme.xml file.
/////////////////////////////////////////////////////////////////////
private void parse_caption(Xml.Node* caption) {
for (Xml.Attr* attribute = caption->properties; attribute != null; attribute = attribute->next) {
string attr_name = attribute->name.down();
string attr_content = attribute->children->content;
switch (attr_name) {
case "font":
caption_font = attr_content;
break;
case "width":
caption_width = (int)(int.parse(attr_content) * Config.global.global_scale);
if (caption_width % 2 == 1)
--caption_width;
break;
case "height":
caption_height = (int)(int.parse(attr_content) * Config.global.global_scale);
if (caption_height % 2 == 1)
--caption_height;
break;
case "position":
caption_position = double.parse(attr_content) * Config.global.global_scale;
break;
case "color":
caption_color = new Color.from_string(attr_content);
break;
default:
warning("Invalid attribute \"" + attr_name + "\" in element!");
break;
}
}
}
}
}