diff options
Diffstat (limited to 'src/utilities')
| -rw-r--r-- | src/utilities/animatedValue.vala | 190 | ||||
| -rw-r--r-- | src/utilities/bindingManager.vala | 196 | ||||
| -rw-r--r-- | src/utilities/color.vala | 305 | ||||
| -rw-r--r-- | src/utilities/config.vala | 202 | ||||
| -rw-r--r-- | src/utilities/icon.vala | 102 | ||||
| -rw-r--r-- | src/utilities/image.vala | 163 | ||||
| -rw-r--r-- | src/utilities/key.vala | 139 | ||||
| -rw-r--r-- | src/utilities/logger.vala | 194 | ||||
| -rw-r--r-- | src/utilities/paths.vala | 211 | ||||
| -rw-r--r-- | src/utilities/renderedText.vala | 110 | ||||
| -rw-r--r-- | src/utilities/themedIcon.vala | 161 |
11 files changed, 1973 insertions, 0 deletions
diff --git a/src/utilities/animatedValue.vala b/src/utilities/animatedValue.vala new file mode 100644 index 0000000..32ab889 --- /dev/null +++ b/src/utilities/animatedValue.vala @@ -0,0 +1,190 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A class which interpolates smoothly between to given values. +/// Duration and interpolation mode can be specified. +///////////////////////////////////////////////////////////////////////// + +public class AnimatedValue : GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// The direction of the interpolation. + ///////////////////////////////////////////////////////////////////// + + public enum Direction { IN, OUT, IN_OUT, OUT_IN } + + ///////////////////////////////////////////////////////////////////// + /// Type of the interpolation, linear or cubic. + ///////////////////////////////////////////////////////////////////// + + private enum Type { LINEAR, CUBIC } + + ///////////////////////////////////////////////////////////////////// + /// Current value, interpolated. + ///////////////////////////////////////////////////////////////////// + + public double val { get; private set; } + + ///////////////////////////////////////////////////////////////////// + /// Starting value of the interpolation. + ///////////////////////////////////////////////////////////////////// + + public double start { get; private set; default=0.0; } + + ///////////////////////////////////////////////////////////////////// + /// Final value of the interpolation. + ///////////////////////////////////////////////////////////////////// + + public double end { get; private set; default=0.0; } + + ///////////////////////////////////////////////////////////////////// + /// The current state. In range 0 .. 1 + ///////////////////////////////////////////////////////////////////// + + private double state = 0.0; + + ///////////////////////////////////////////////////////////////////// + /// Duration of the interpolation. Should be in the same unit as + /// taken for the update() method. + ///////////////////////////////////////////////////////////////////// + + private double duration = 0.0; + + ///////////////////////////////////////////////////////////////////// + /// The amount of over-shooting of the cubicly interpolated value. + ///////////////////////////////////////////////////////////////////// + + private double multiplier = 0.0; + + ///////////////////////////////////////////////////////////////////// + /// Type of the interpolation, linear or cubic. + ///////////////////////////////////////////////////////////////////// + + private Type type = Type.LINEAR; + + ///////////////////////////////////////////////////////////////////// + /// The direction of the interpolation. + ///////////////////////////////////////////////////////////////////// + + private Direction direction = Direction.IN; + + ///////////////////////////////////////////////////////////////////// + /// Creates a new linearly interpolated value. + ///////////////////////////////////////////////////////////////////// + + public AnimatedValue.linear(double start, double end, double duration) { + this.val = start; + this.start = start; + this.end = end; + this.duration = duration; + } + + ///////////////////////////////////////////////////////////////////// + /// Creates a new cubicly interpolated value. + ///////////////////////////////////////////////////////////////////// + + public AnimatedValue.cubic(Direction direction, double start, double end, double duration, double multiplier = 0) { + this.val = start; + this.start = start; + this.end = end; + this.duration = duration; + this.direction = direction; + this.type = Type.CUBIC; + this.multiplier = multiplier; + } + + ///////////////////////////////////////////////////////////////////// + /// Resets the final value of the interpolation to a new value. The + /// current state is taken for the beginning from now. + ///////////////////////////////////////////////////////////////////// + + public void reset_target(double end, double duration) { + this.start = this.val; + this.end = end; + this.duration = duration; + this.state = 0.0; + } + + ///////////////////////////////////////////////////////////////////// + /// Updates the interpolated value according to it's type. + ///////////////////////////////////////////////////////////////////// + + public void update(double time) { + this.state += time/this.duration; + + if (state < 1) { + + switch (this.type) { + case Type.LINEAR: + this.val = update_linear(); + break; + case Type.CUBIC: + switch (this.direction) { + case Direction.IN: + this.val = update_ease_in(); + return; + case Direction.OUT: + this.val = update_ease_out(); + return; + case Direction.IN_OUT: + this.val = update_ease_in_out(); + return; + case Direction.OUT_IN: + this.val = update_ease_out_in(); + return; + } + break; + } + } else if (this.val != this.end) { + this.val = this.end; + } + } + + ///////////////////////////////////////////////////////////////////// + /// The following equations are based on Robert Penner's easing + /// equations. See (http://www.robertpenner.com/easing/) and their + /// adaption by Zeh Fernando, Nate Chatellier and Arthur Debert for + /// the Tweener class. See (http://code.google.com/p/tweener/). + ///////////////////////////////////////////////////////////////////// + + private double update_linear(double t = this.state, double s = this.start, double e = this.end) { + return (s + t*(e - s)); + } + + private double update_ease_in(double t = this.state, double s = this.start, double e = this.end) { + return (s + (t*t*((multiplier+1)*t-multiplier))*(e - s)); + } + + private double update_ease_out(double t = this.state, double s = this.start, double e = this.end) { + return (s + ((t-1) * (t-1) * ((multiplier+1)*(t-1)+multiplier) + 1) * (e - s)); + } + + private double update_ease_in_out(double t = this.state, double s = this.start, double e = this.end) { + if (this.state < 0.5) return update_ease_in(t*2, s, e - (e-s)*0.5); + else return update_ease_out(t*2-1, s + (e-s)*0.5, e); + } + + private double update_ease_out_in(double t = this.state, double s = this.start, double e = this.end) { + if (this.state < 0.5) return update_ease_out(t*2, s, e - (e-s)*0.5); + else return update_ease_in(t*2-1, s + (e-s)*0.5, e); + } +} + +} diff --git a/src/utilities/bindingManager.vala b/src/utilities/bindingManager.vala new file mode 100644 index 0000000..8795124 --- /dev/null +++ b/src/utilities/bindingManager.vala @@ -0,0 +1,196 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// Globally binds key stroke to given ID's. When one of the bound +/// strokes is invoked, a signal with the according ID is emitted. +///////////////////////////////////////////////////////////////////////// + +public class BindingManager : GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// Called when a stored binding is invoked. The according ID is + /// passed as argument. + ///////////////////////////////////////////////////////////////////// + + public signal void on_press(string id); + + ///////////////////////////////////////////////////////////////////// + /// A list storing bindings, which are invoked even if Gnome-Pie + /// doesn't have the current focus + ///////////////////////////////////////////////////////////////////// + + private Gee.List<Keybinding> bindings = new Gee.ArrayList<Keybinding>(); + + ///////////////////////////////////////////////////////////////////// + /// Ignored modifier masks, used to grab all keys even if these locks + /// are active. + ///////////////////////////////////////////////////////////////////// + + private static uint[] lock_modifiers = { + 0, + Gdk.ModifierType.MOD2_MASK, + Gdk.ModifierType.LOCK_MASK, + Gdk.ModifierType.MOD5_MASK, + Gdk.ModifierType.MOD2_MASK|Gdk.ModifierType.LOCK_MASK, + Gdk.ModifierType.MOD2_MASK|Gdk.ModifierType.MOD5_MASK, + Gdk.ModifierType.LOCK_MASK|Gdk.ModifierType.MOD5_MASK, + Gdk.ModifierType.MOD2_MASK|Gdk.ModifierType.LOCK_MASK|Gdk.ModifierType.MOD5_MASK + }; + + ///////////////////////////////////////////////////////////////////// + /// Helper class to store keybinding + ///////////////////////////////////////////////////////////////////// + + private class Keybinding { + + public Keybinding(string accelerator, int keycode, Gdk.ModifierType modifiers, string id) { + this.accelerator = accelerator; + this.keycode = keycode; + this.modifiers = modifiers; + this.id = id; + } + + public string accelerator { get; set; } + public int keycode { get; set; } + public Gdk.ModifierType modifiers { get; set; } + public string id { get; set; } + } + + ///////////////////////////////////////////////////////////////////// + /// C'tor adds the event filter to the root window. + ///////////////////////////////////////////////////////////////////// + + public BindingManager() { + // init filter to retrieve X.Events + Gdk.Window rootwin = Gdk.get_default_root_window(); + if(rootwin != null) { + rootwin.add_filter(event_filter); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Binds the ID to the given accelerator. + ///////////////////////////////////////////////////////////////////// + + public void bind(string accelerator, string id) { + uint keysym; + Gdk.ModifierType modifiers; + Gtk.accelerator_parse(accelerator, out keysym, out modifiers); + + if (keysym == 0) { + warning("Invalid keystroke: " + accelerator); + return; + } + + Gdk.Window rootwin = Gdk.get_default_root_window(); + X.Display display = Gdk.x11_drawable_get_xdisplay(rootwin); + X.ID xid = Gdk.x11_drawable_get_xid(rootwin); + int keycode = display.keysym_to_keycode(keysym); + + if(keycode != 0) { + Gdk.error_trap_push(); + + foreach(uint lock_modifier in lock_modifiers) { + display.grab_key(keycode, modifiers|lock_modifier, xid, false, X.GrabMode.Async, X.GrabMode.Async); + } + + Gdk.flush(); + + Keybinding binding = new Keybinding(accelerator, keycode, modifiers, id); + bindings.add(binding); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Unbinds the accelerator of the given ID. + ///////////////////////////////////////////////////////////////////// + + public void unbind(string id) { + Gdk.Window rootwin = Gdk.get_default_root_window(); + X.Display display = Gdk.x11_drawable_get_xdisplay(rootwin); + X.ID xid = Gdk.x11_drawable_get_xid(rootwin); + Gee.List<Keybinding> remove_bindings = new Gee.ArrayList<Keybinding>(); + foreach(var binding in bindings) { + if(id == binding.id) { + foreach(uint lock_modifier in lock_modifiers) { + display.ungrab_key(binding.keycode, binding.modifiers, xid); + } + remove_bindings.add(binding); + } + } + + bindings.remove_all(remove_bindings); + } + + ///////////////////////////////////////////////////////////////////// + /// Returns a human readable accelerator for the given ID. + ///////////////////////////////////////////////////////////////////// + + public string get_accelerator_label_of(string id) { + string accelerator = this.get_accelerator_of(id); + + if (accelerator == "") + return _("Not bound"); + + uint key = 0; + Gdk.ModifierType mods; + Gtk.accelerator_parse(accelerator, out key, out mods); + return Gtk.accelerator_get_label(key, mods); + } + + ///////////////////////////////////////////////////////////////////// + /// Returns the accelerator to which the given ID is bound. + ///////////////////////////////////////////////////////////////////// + + public string get_accelerator_of(string id) { + foreach (var binding in bindings) { + if (binding.id == id) { + return binding.accelerator; + } + } + + return ""; + } + + ///////////////////////////////////////////////////////////////////// + /// Event filter method needed to fetch X.Events + ///////////////////////////////////////////////////////////////////// + + private Gdk.FilterReturn event_filter(Gdk.XEvent gdk_xevent, Gdk.Event gdk_event) { + Gdk.FilterReturn filter_return = Gdk.FilterReturn.CONTINUE; + + void* pointer = &gdk_xevent; + X.Event* xevent = (X.Event*) pointer; + + if(xevent->type == X.EventType.KeyPress) { + foreach(var binding in bindings) { + // remove NumLock, CapsLock and ScrollLock from key state + uint event_mods = xevent.xkey.state & ~ (lock_modifiers[7]); + if(xevent->xkey.keycode == binding.keycode && event_mods == binding.modifiers) { + on_press(binding.id); + } + } + } + + return filter_return; + } +} + +} diff --git a/src/utilities/color.vala b/src/utilities/color.vala new file mode 100644 index 0000000..836411e --- /dev/null +++ b/src/utilities/color.vala @@ -0,0 +1,305 @@ +/* +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/>. +*/ + +using GLib.Math; + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A Color class with full rgb/hsv support +/// and some useful utility methods. +///////////////////////////////////////////////////////////////////////// + +public class Color: GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// Private members, storing the actual color information. + /// In range 0 .. 1 + ///////////////////////////////////////////////////////////////////// + + private float _r; + private float _g; + private float _b; + private float _a; + + ///////////////////////////////////////////////////////////////////// + /// Creates a white Color. + ///////////////////////////////////////////////////////////////////// + + public Color() { + Color.from_rgb(1.0f, 1.0f, 1.0f); + } + + ///////////////////////////////////////////////////////////////////// + /// Creates a solid color with the given RGB values. + ///////////////////////////////////////////////////////////////////// + + public Color.from_rgb(float red, float green, float blue) { + Color.from_rgba(red, green, blue, 1.0f); + } + + ///////////////////////////////////////////////////////////////////// + /// Creates a translucient color with the given RGBA values. + ///////////////////////////////////////////////////////////////////// + + public Color.from_rgba(float red, float green, float blue, float alpha) { + r = red; + g = green; + b = blue; + a = alpha; + } + + ///////////////////////////////////////////////////////////////////// + /// Creates a color from the given Gdk.Color + ///////////////////////////////////////////////////////////////////// + + public Color.from_gdk(Gdk.Color color) { + Color.from_rgb( + (float)color.red/65535.0f, + (float)color.green/65535.0f, + (float)color.blue/65535.0f + ); + } + + ///////////////////////////////////////////////////////////////////// + /// Creates a color, parsed from a string, such as #22EE33 + ///////////////////////////////////////////////////////////////////// + + public Color.from_string(string hex_string) { + Gdk.Color color; + Gdk.Color.parse(hex_string, out color); + Color.from_gdk(color); + } + + ///////////////////////////////////////////////////////////////////// + /// Gets the main color from an Image. Code from Unity. + ///////////////////////////////////////////////////////////////////// + + public Color.from_icon(Image icon) { + unowned uchar[] data = icon.surface.get_data(); + + uint width = icon.surface.get_width(); + uint height = icon.surface.get_height(); + uint row_bytes = icon.surface.get_stride(); + + double total = 0.0; + double rtotal = 0.0; + double gtotal = 0.0; + double btotal = 0.0; + + for (uint i = 0; i < width; ++i) { + for (uint j = 0; j < height; ++j) { + uint pixel = j * row_bytes + i * 4; + double b = data[pixel + 0]/255.0; + double g = data[pixel + 1]/255.0; + double r = data[pixel + 2]/255.0; + double a = data[pixel + 3]/255.0; + + double saturation = (fmax (r, fmax (g, b)) - fmin (r, fmin (g, b))); + double relevance = 0.1 + 0.9 * a * saturation; + + rtotal += (r * relevance); + gtotal += (g * relevance); + btotal += (b * relevance); + + total += relevance; + } + } + + Color.from_rgb((float)(rtotal/total), (float)(gtotal/total), (float)(btotal/total)); + + if (s > 0.15f) s = 0.65f; + + v = 1.0f; + } + + ///////////////////////////////////////////////////////////////////// + /// The reddish part of the color. + ///////////////////////////////////////////////////////////////////// + + public float r { + get { + return _r; + } + set { + if (value > 1.0f) _r = 1.0f; + else if (value < 0.0f) _r = 0.0f; + else _r = value; + } + } + + ///////////////////////////////////////////////////////////////////// + /// The greenish part of the color. + ///////////////////////////////////////////////////////////////////// + + public float g { + get { + return _g; + } + set { + if (value > 1.0f) _g = 1.0f; + else if (value < 0.0f) _g = 0.0f; + else _g = value; + } + } + + ///////////////////////////////////////////////////////////////////// + /// The blueish part of the color. + ///////////////////////////////////////////////////////////////////// + + public float b { + get { + return _b; + } + set { + if (value > 1.0f) _b = 1.0f; + else if (value < 0.0f) _b = 0.0f; + else _b = value; + } + } + + ///////////////////////////////////////////////////////////////////// + /// The transparency of the color. + ///////////////////////////////////////////////////////////////////// + + public float a { + get { + return _a; + } + set { + if (value > 1.0f) _a = 1.0f; + else if (value < 0.0f) _a = 0.0f; + else _a = value; + } + } + + ///////////////////////////////////////////////////////////////////// + /// The hue of the color. + ///////////////////////////////////////////////////////////////////// + + public float h { + get { + if (s > 0.0f) { + float maxi = fmaxf(fmaxf(r, g), b); + float mini = fminf(fminf(r, g), b); + + if (maxi == r) + return fmodf(60.0f*((g-b)/(maxi-mini))+360.0f, 360.0f); + else if (maxi == g) + return fmodf(60.0f*(2.0f + (b-r)/(maxi-mini))+360.0f, 360.0f); + else + return fmodf(60.0f*(4.0f + (r-g)/(maxi-mini))+360.0f, 360.0f); + } + else return 0.0f; + } + set { + setHSV(value, s, v); + } + } + + ///////////////////////////////////////////////////////////////////// + /// The saturation of the color. + ///////////////////////////////////////////////////////////////////// + + public float s { + get { + if (v == 0.0f) return 0.0f; + else return ((v-fminf(fminf(r, g), b)) / v); + } + set { + if (value > 1.0f) setHSV(h, 1.0f, v); + else if (value < 0.0f) setHSV(h, 0.0f, v); + else setHSV(h, value, v); + } + } + + ///////////////////////////////////////////////////////////////////// + /// The value of the color. + ///////////////////////////////////////////////////////////////////// + + public float v { + get { + return fmaxf(fmaxf(r, g), b); + } + set { + if (value > 1) setHSV(h, s, 1.0f); + else if (value < 0) setHSV(h, s, 0.0f); + else setHSV(h, s, value); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Inverts the color. + ///////////////////////////////////////////////////////////////////// + + public void invert() { + h += 180.0f; + v = 1.0f - v; + } + + ///////////////////////////////////////////////////////////////////// + /// Private member, used to apply color changes. + ///////////////////////////////////////////////////////////////////// + + private void setHSV(float hue, float saturation, float val) { + if(saturation == 0) { + r = val; + g = val; + b = val; + return; + } + hue = fmodf(hue, 360); + hue /= 60; + int i = (int) floorf(hue); + float f = hue - i; + + switch(i) { + case 0: + r = val; + g = val * (1.0f - saturation * (1.0f - f)); + b = val * (1.0f - saturation); + break; + case 1: + r = val * (1.0f - saturation * f); + g = val; + b = val * (1.0f - saturation); + break; + case 2: + r = val * (1.0f - saturation); + g = val; + b = val * (1.0f - saturation * (1.0f - f)); + break; + case 3: + r = val * (1.0f - saturation); + g = val * (1.0f - saturation * f); + b = val; + break; + case 4: + r = val * (1.0f - saturation * (1.0f - f)); + g = val * (1.0f - saturation); + b = val; + break; + default: + r = val; + g = val * (1.0f - saturation); + b = val * (1.0f - saturation * f); + break; + } + } +} + +} diff --git a/src/utilities/config.vala b/src/utilities/config.vala new file mode 100644 index 0000000..c5dedd5 --- /dev/null +++ b/src/utilities/config.vala @@ -0,0 +1,202 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A singleton class for storing global settings. These settings can +/// be loaded from and saved to an XML file. +///////////////////////////////////////////////////////////////////////// + +public class Config : GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// The singleton instance of this class. + ///////////////////////////////////////////////////////////////////// + + private static Config _instance = null; + + ///////////////////////////////////////////////////////////////////// + /// Returns the singleton instance. + ///////////////////////////////////////////////////////////////////// + + public static Config global { + get { + if (_instance == null) { + _instance = new Config(); + _instance.load(); + } + return _instance; + } + private set { + _instance = value; + } + } + + ///////////////////////////////////////////////////////////////////// + /// All settings variables. + ///////////////////////////////////////////////////////////////////// + + public Theme theme { get; set; } + public double refresh_rate { get; set; default = 60.0; } + public double global_scale { get; set; default = 1.0; } + public bool show_indicator { get; set; default = true; } + public bool open_at_mouse { get; set; default = true; } + public bool turbo_mode { get; set; default = false; } + public bool auto_start { get; set; default = false; } + public Gee.ArrayList<Theme?> themes { get; private set; } + + ///////////////////////////////////////////////////////////////////// + /// Saves all above variables to a file. + ///////////////////////////////////////////////////////////////////// + + public void save() { + var writer = new Xml.TextWriter.filename(Paths.settings); + writer.start_document("1.0"); + writer.start_element("settings"); + writer.write_attribute("theme", theme.name); + writer.write_attribute("refresh_rate", refresh_rate.to_string()); + writer.write_attribute("global_scale", global_scale.to_string()); + writer.write_attribute("show_indicator", show_indicator ? "true" : "false"); + writer.write_attribute("open_at_mouse", open_at_mouse ? "true" : "false"); + writer.write_attribute("turbo_mode", turbo_mode ? "true" : "false"); + writer.end_element(); + writer.end_document(); + } + + ///////////////////////////////////////////////////////////////////// + /// Loads all settings variables from a file. + ///////////////////////////////////////////////////////////////////// + + private void load() { + + // check for auto_start filename + this.auto_start = FileUtils.test(Paths.autostart, FileTest.EXISTS); + + // parse the settings file + Xml.Parser.init(); + Xml.Doc* settingsXML = Xml.Parser.parse_file(Paths.settings); + bool error_occrured = false; + string theme_name = ""; + + if (settingsXML != null) { + + Xml.Node* root = settingsXML->get_root_element(); + if (root != null) { + + 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 "theme": + theme_name = attr_content; + break; + case "refresh_rate": + refresh_rate = double.parse(attr_content); + break; + case "global_scale": + global_scale = double.parse(attr_content); + global_scale.clamp(0.5, 2.0); + break; + case "show_indicator": + show_indicator = bool.parse(attr_content); + break; + case "open_at_mouse": + open_at_mouse = bool.parse(attr_content); + break; + case "turbo_mode": + turbo_mode = bool.parse(attr_content); + break; + default: + warning("Invalid setting \"" + attr_name + "\" in gnome-pie.conf!"); + break; + } + } + + Xml.Parser.cleanup(); + + } else { + warning("Error loading settings: gnome-pie.conf is empty! Using defaults..."); + error_occrured = true; + } + + delete settingsXML; + + } else { + warning("Error loading settings: gnome-pie.conf not found! Using defaults..."); + error_occrured = true; + } + + load_themes(theme_name); + + if (error_occrured) save(); + } + + ///////////////////////////////////////////////////////////////////// + /// Registers all themes in the user's and in the global + /// theme directory. + ///////////////////////////////////////////////////////////////////// + + public void load_themes(string current) { + themes = new Gee.ArrayList<Theme?>(); + try { + string name; + + // load global themes + var d = Dir.open(Paths.global_themes); + while ((name = d.read_name()) != null) { + var theme = new Theme(Paths.global_themes + "/" + name); + if (theme != null) + themes.add(theme); + } + + // load local themes + d = Dir.open(Paths.local_themes); + while ((name = d.read_name()) != null) { + var theme = new Theme(Paths.local_themes + "/" + name); + if (theme != null) + themes.add(theme); + } + + } catch (Error e) { + warning (e.message); + } + + if (themes.size > 0) { + if (current == "") { + current = "Unity"; + warning("No theme specified! Using default..."); + } + foreach (var t in themes) { + if (t.name == current) { + theme = t; + theme.load_images(); + break; + } + } + if (theme == null) { + theme = themes[0]; + warning("Theme \"" + current + "\" not found! Using fallback..."); + } + } + else error("No theme found!"); + } + +} + +} diff --git a/src/utilities/icon.vala b/src/utilities/icon.vala new file mode 100644 index 0000000..1c8a9f4 --- /dev/null +++ b/src/utilities/icon.vala @@ -0,0 +1,102 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A class representing a square-shaped icon, loaded from the users +/// icon theme. +///////////////////////////////////////////////////////////////////////// + +public class Icon : Image { + + ///////////////////////////////////////////////////////////////////// + /// A cache which stores loaded icon. It is cleared when the icon + /// theme of the user changes. The key is in form <filename>@<size>. + ///////////////////////////////////////////////////////////////////// + + private static Gee.HashMap<string, Cairo.ImageSurface?> cache { private get; private set; } + + ///////////////////////////////////////////////////////////////////// + /// Initializes the cache. + ///////////////////////////////////////////////////////////////////// + + public static void init() { + clear_cache(); + + Gtk.IconTheme.get_default().changed.connect(() => { + clear_cache(); + }); + } + + ///////////////////////////////////////////////////////////////////// + /// Clears the cache. + ///////////////////////////////////////////////////////////////////// + + public static void clear_cache() { + cache = new Gee.HashMap<string, Cairo.ImageSurface?>(); + } + + ///////////////////////////////////////////////////////////////////// + /// Loads an icon from the current icon theme of the user. + ///////////////////////////////////////////////////////////////////// + + public Icon(string icon_name, int size) { + var cached = this.cache.get("%s@%u".printf(icon_name, size)); + + if (cached == null) { + this.load_file_at_size(this.get_icon_file(icon_name, size), size, size); + this.cache.set("%s@%u".printf(icon_name, size), this.surface); + } else { + this.surface = cached; + } + } + + ///////////////////////////////////////////////////////////////////// + /// Returns the size of the icon in pixels. Greetings to Liskov. + ///////////////////////////////////////////////////////////////////// + + public int size() { + return base.width(); + } + + ///////////////////////////////////////////////////////////////////// + /// Returns the filename for a given system icon. + ///////////////////////////////////////////////////////////////////// + + public static string get_icon_file(string icon_name, int size) { + string result = ""; + + var icon_theme = Gtk.IconTheme.get_default(); + var file = icon_theme.lookup_icon(icon_name, size, 0); + if (file != null) result = file.get_filename(); + + if (result == "") { + warning("Icon \"" + icon_name + "\" not found! Using default icon..."); + icon_name = "application-default-icon"; + file = icon_theme.lookup_icon(icon_name, size, 0); + if (file != null) result = file.get_filename(); + } + + if (result == "") + warning("Icon \"" + icon_name + "\" not found! Will be ugly..."); + + return result; + } +} + +} diff --git a/src/utilities/image.vala b/src/utilities/image.vala new file mode 100644 index 0000000..836e4e2 --- /dev/null +++ b/src/utilities/image.vala @@ -0,0 +1,163 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A class which loads image files. It can load image files in various +/// formats, including jpeg, png and svg. +///////////////////////////////////////////////////////////////////////// + +public class Image : GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// The internally used surface. + ///////////////////////////////////////////////////////////////////// + + public Cairo.ImageSurface surface { public get; protected set; default=null; } + + ///////////////////////////////////////////////////////////////////// + /// Creates an empty Image. + ///////////////////////////////////////////////////////////////////// + + public Image.empty(int width, int height, Color? color = null) { + this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, width, height); + + if (color != null) { + var ctx = this.context(); + ctx.set_source_rgb(color.r, color.g, color.b); + ctx.paint(); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Creates an image from the the given filename. + ///////////////////////////////////////////////////////////////////// + + public Image.from_file(string filename) { + this.load_file(filename); + } + + ///////////////////////////////////////////////////////////////////// + /// Creates an image from the the given filename at a given size. + ///////////////////////////////////////////////////////////////////// + + public Image.from_file_at_size(string filename, int width, int height) { + this.load_file_at_size(filename, width, height); + } + + ///////////////////////////////////////////////////////////////////// + /// Creates an image from the the given Gdk.Pixbuf. + ///////////////////////////////////////////////////////////////////// + + public Image.from_pixbuf(Gdk.Pixbuf pixbuf) { + this.load_pixbuf(pixbuf); + } + + public Image.capture_screen(int posx, int posy, int width, int height) { + Gdk.Window root = Gdk.get_default_root_window(); + Gdk.Pixbuf pixbuf = Gdk.pixbuf_get_from_drawable(null, root, null, posx, posy, 0, 0, width, height); + + this.load_pixbuf(pixbuf); + } + + ///////////////////////////////////////////////////////////////////// + /// Loads an image from the the given filename. + ///////////////////////////////////////////////////////////////////// + + public void load_file(string filename) { + try { + var pixbuf = new Gdk.Pixbuf.from_file(filename); + + if (pixbuf != null) { + this.load_pixbuf(pixbuf); + } else { + warning("Failed to load " + filename + "!"); + } + } catch (GLib.Error e) { + message("Error loading image file: %s", e.message); + this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, 1, 1); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Loads an image from the the given filename at a given size. + ///////////////////////////////////////////////////////////////////// + + public void load_file_at_size(string filename, int width, int height) { + try { + var pixbuf = new Gdk.Pixbuf.from_file_at_size(filename, width, height); + + if (pixbuf != null) { + this.load_pixbuf(pixbuf); + } else { + warning("Failed to load " + filename + "!"); + } + } catch (GLib.Error e) { + message("Error loading image file: %s", e.message); + this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, width, height); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Loads an image from the the given Gdk.Pixbuf. + ///////////////////////////////////////////////////////////////////// + + public void load_pixbuf(Gdk.Pixbuf pixbuf) { + this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, pixbuf.width, pixbuf.height); + + var ctx = this.context(); + Gdk.cairo_set_source_pixbuf(ctx, pixbuf, 1.0, 1.0); + ctx.paint(); + } + + ///////////////////////////////////////////////////////////////////// + /// Paints the image onto the given Cairo.Context + ///////////////////////////////////////////////////////////////////// + + public void paint_on(Cairo.Context ctx, double alpha = 1.0) { + ctx.set_source_surface(this.surface, -0.5*this.width()-1, -0.5*this.height()-1); + if (alpha >= 1.0) ctx.paint(); + else ctx.paint_with_alpha(alpha); + } + + ///////////////////////////////////////////////////////////////////// + /// Returns a Cairo.Context for the Image. + ///////////////////////////////////////////////////////////////////// + + public Cairo.Context context() { + return new Cairo.Context(this.surface);; + } + + ///////////////////////////////////////////////////////////////////// + /// Returns the width of the image in pixels. + ///////////////////////////////////////////////////////////////////// + + public int width() { + return this.surface.get_width(); + } + + ///////////////////////////////////////////////////////////////////// + /// Returns the height of the image in pixels. + ///////////////////////////////////////////////////////////////////// + + public int height() { + return this.surface.get_height(); + } +} + +} diff --git a/src/utilities/key.vala b/src/utilities/key.vala new file mode 100644 index 0000000..6700b16 --- /dev/null +++ b/src/utilities/key.vala @@ -0,0 +1,139 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A class which represents a key stroke. It can be used to "press" +/// the associated keys. +///////////////////////////////////////////////////////////////////////// + +public class Key : GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// Some static members, which are often used by this class. + ///////////////////////////////////////////////////////////////////// + + private static X.Display display; + + private static int shift_code; + private static int ctrl_code; + private static int alt_code; + private static int super_code; + + ///////////////////////////////////////////////////////////////////// + /// A human readable form of the Key's accelerator. + ///////////////////////////////////////////////////////////////////// + + public string label { get; private set; } + + ///////////////////////////////////////////////////////////////////// + /// The accelerator of the Key. + ///////////////////////////////////////////////////////////////////// + + public string accelerator { get; private set; } + + ///////////////////////////////////////////////////////////////////// + /// Keycode and modifiers of this stroke. + ///////////////////////////////////////////////////////////////////// + + private int key_code; + private Gdk.ModifierType modifiers; + + ///////////////////////////////////////////////////////////////////// + /// C'tor, initializes all members. + ///////////////////////////////////////////////////////////////////// + + public Key(string stroke) { + this.accelerator = stroke; + + uint keysym; + Gtk.accelerator_parse(stroke, out keysym, out this.modifiers); + this.key_code = display.keysym_to_keycode(keysym); + this.label = Gtk.accelerator_get_label(keysym, this.modifiers); + } + + ///////////////////////////////////////////////////////////////////// + /// Initializes static members. + ///////////////////////////////////////////////////////////////////// + + static construct { + display = new X.Display(); + + shift_code = display.keysym_to_keycode(Gdk.keyval_from_name("Shift_L")); + ctrl_code = display.keysym_to_keycode(Gdk.keyval_from_name("Control_L")); + alt_code = display.keysym_to_keycode(Gdk.keyval_from_name("Alt_L")); + super_code = display.keysym_to_keycode(Gdk.keyval_from_name("Super_L")); + } + + ///////////////////////////////////////////////////////////////////// + /// Simulates the pressing of the Key . + ///////////////////////////////////////////////////////////////////// + + public void press() { + // store currently pressed modifier keys + Gdk.ModifierType current_modifiers = get_modifiers(); + + // release them and press the desired ones + press_modifiers(current_modifiers, false); + press_modifiers(this.modifiers, true); + + // send events to X + display.flush(); + + // press and release the actual key + X.Test.fake_key_event(this.display, this.key_code, true, 0); + X.Test.fake_key_event(this.display, this.key_code, false, 0); + + // release the pressed modifiers and re-press the keys hold down by the user + press_modifiers(this.modifiers, false); + press_modifiers(current_modifiers, true); + + // send events to X + display.flush(); + } + + ///////////////////////////////////////////////////////////////////// + /// Helper method returning currently hold down modifier keys. + ///////////////////////////////////////////////////////////////////// + + private Gdk.ModifierType get_modifiers() { + Gdk.ModifierType modifiers; + Gdk.Display.get_default().get_pointer(null, null, null, out modifiers); + return modifiers; + } + + ///////////////////////////////////////////////////////////////////// + /// Helper method which 'presses' the desired modifier keys. + ///////////////////////////////////////////////////////////////////// + + private void press_modifiers(Gdk.ModifierType modifiers, bool down) { + if ((modifiers & Gdk.ModifierType.CONTROL_MASK) > 0) + X.Test.fake_key_event(this.display, this.ctrl_code, down, 0); + + if ((modifiers & Gdk.ModifierType.SHIFT_MASK) > 0) + X.Test.fake_key_event(this.display, this.shift_code, down, 0); + + if ((modifiers & Gdk.ModifierType.MOD1_MASK) > 0) + X.Test.fake_key_event(this.display, this.alt_code, down, 0); + + if ((modifiers & Gdk.ModifierType.SUPER_MASK) > 0) + X.Test.fake_key_event(this.display, this.super_code, down, 0); + } +} + +} diff --git a/src/utilities/logger.vala b/src/utilities/logger.vala new file mode 100644 index 0000000..3108ba3 --- /dev/null +++ b/src/utilities/logger.vala @@ -0,0 +1,194 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A static class which beautifies the messages of the default logger. +/// Some of this code is inspired by plank's written by Robert Dyer. +/// Thanks a lot for this project! +///////////////////////////////////////////////////////////////////////// + +public class Logger { + + ///////////////////////////////////////////////////////////////////// + /// If these are set to false, the according messages are not shown + ///////////////////////////////////////////////////////////////////// + + public static bool display_info { get; set; default = true; } + public static bool display_debug { get; set; default = true; } + public static bool display_warning { get; set; default = true; } + public static bool display_error { get; set; default = true; } + + ///////////////////////////////////////////////////////////////////// + /// If true, a time stamp is shown in each message. + ///////////////////////////////////////////////////////////////////// + + public static bool display_time { get; set; default = true; } + + ///////////////////////////////////////////////////////////////////// + /// If true, the origin of the message is shown. In form file:line + ///////////////////////////////////////////////////////////////////// + + public static bool display_file { get; set; default = false; } + + ///////////////////////////////////////////////////////////////////// + /// A regex, used to format the standard message. + ///////////////////////////////////////////////////////////////////// + + private static Regex regex = null; + + ///////////////////////////////////////////////////////////////////// + /// Possible terminal colors. + ///////////////////////////////////////////////////////////////////// + + private enum Color { + BLACK, + RED, + GREEN, + YELLOW, + BLUE, + PURPLE, + TURQUOISE, + WHITE + } + + ///////////////////////////////////////////////////////////////////// + /// Creates the regex and binds the handler. + ///////////////////////////////////////////////////////////////////// + + public static void init() { + try { + regex = new Regex("""(.*)\.vala(:\d+): (.*)"""); + } catch {} + + GLib.Log.set_default_handler(log_func); + } + + ///////////////////////////////////////////////////////////////////// + /// Displays an Info message. + ///////////////////////////////////////////////////////////////////// + + private static void info(string message) { + if (display_info) { + stdout.printf(set_color(Color.GREEN, false) + "[" + get_time() + "MESSAGE]" + message); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Displays a Debug message. + ///////////////////////////////////////////////////////////////////// + + private static void debug(string message) { + if (display_debug) { + stdout.printf(set_color(Color.BLUE, false) + "[" + get_time() + " DEBUG ]" + message); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Displays a Warning message. + ///////////////////////////////////////////////////////////////////// + + private static void warning(string message) { + if (display_warning) { + stdout.printf(set_color(Color.YELLOW, false) + "[" + get_time() + "WARNING]" + message); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Displays a Error message. + ///////////////////////////////////////////////////////////////////// + + private static void error(string message) { + if (display_error) { + stdout.printf(set_color(Color.RED, false) + "[" + get_time() + " ERROR ]" + message); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Helper method which resets the terminal color. + ///////////////////////////////////////////////////////////////////// + + private static string reset_color() { + return "\x001b[0m"; + } + + ///////////////////////////////////////////////////////////////////// + /// Helper method which sets the terminal color. + ///////////////////////////////////////////////////////////////////// + + private static string set_color(Color color, bool bold) { + if (bold) return "\x001b[1;%dm".printf((int)color + 30); + else return "\x001b[0;%dm".printf((int)color + 30); + } + + ///////////////////////////////////////////////////////////////////// + /// Returns the current time in hh:mm:ss:mmmmmm + ///////////////////////////////////////////////////////////////////// + + private static string get_time() { + if (display_time) { + var now = new DateTime.now_local (); + return "%.2d:%.2d:%.2d:%.6d ".printf (now.get_hour (), now.get_minute (), now.get_second (), now.get_microsecond ()); + } else { + return ""; + } + } + + ///////////////////////////////////////////////////////////////////// + /// Helper method to format the message. + ///////////////////////////////////////////////////////////////////// + + private static string create_message(string message) { + if (display_file && regex != null && regex.match(message)) { + var parts = regex.split(message); + return " [%s%s]%s %s\n".printf(parts[1], parts[2], reset_color(), parts[3]); + } else if (regex != null && regex.match(message)) { + var parts = regex.split(message); + return "%s %s\n".printf(reset_color(), parts[3]); + } else { + return reset_color() + " " + message + "\n"; + } + } + + ///////////////////////////////////////////////////////////////////// + /// The handler function. + ///////////////////////////////////////////////////////////////////// + + private static void log_func(string? d, LogLevelFlags flags, string message) { + + switch (flags) { + case LogLevelFlags.LEVEL_ERROR: + case LogLevelFlags.LEVEL_CRITICAL: + error(create_message(message)); + break; + case LogLevelFlags.LEVEL_INFO: + case LogLevelFlags.LEVEL_MESSAGE: + info(create_message(message)); + break; + case LogLevelFlags.LEVEL_DEBUG: + debug(create_message(message)); + break; + case LogLevelFlags.LEVEL_WARNING: + default: + warning(create_message(message)); + break; + } + } +} + +} diff --git a/src/utilities/paths.vala b/src/utilities/paths.vala new file mode 100644 index 0000000..1c42176 --- /dev/null +++ b/src/utilities/paths.vala @@ -0,0 +1,211 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A static class which stores all relevant paths used by Gnome-Pie. +/// These depend upon the location from which the program was launched. +///////////////////////////////////////////////////////////////////////// + +public class Paths : GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// The file settings file, + /// usually ~/.config/gnome-pie/gnome-pie.conf. + ///////////////////////////////////////////////////////////////////// + + public static string settings { get; private set; default=""; } + + ///////////////////////////////////////////////////////////////////// + /// The file pie configuration file + /// usually ~/.config/gnome-pie/pies.conf. + ///////////////////////////////////////////////////////////////////// + + public static string pie_config { get; private set; default=""; } + + ///////////////////////////////////////////////////////////////////// + /// The directory containing themes installed by the user + /// usually ~/.config/gnome-pie/themes. + ///////////////////////////////////////////////////////////////////// + + public static string local_themes { get; private set; default=""; } + + ///////////////////////////////////////////////////////////////////// + /// The directory containing pre-installed themes + /// usually /usr/share/gnome-pie/themes. + ///////////////////////////////////////////////////////////////////// + + public static string global_themes { get; private set; default=""; } + + ///////////////////////////////////////////////////////////////////// + /// The directory containing locale files + /// usually /usr/share/locale. + ///////////////////////////////////////////////////////////////////// + + public static string locales { get; private set; default=""; } + + ///////////////////////////////////////////////////////////////////// + /// The autostart file of gnome-pie_config + /// usually ~/.config/autostart/gnome-pie.desktop. + ///////////////////////////////////////////////////////////////////// + + public static string autostart { get; private set; default=""; } + + ///////////////////////////////////////////////////////////////////// + /// The path where all pie-launchers are stored + /// usually ~/.config/gnome-pie/launchers. + ///////////////////////////////////////////////////////////////////// + + public static string launchers { get; private set; default=""; } + + ///////////////////////////////////////////////////////////////////// + /// Initializes all values above. + ///////////////////////////////////////////////////////////////////// + + public static void init() { + + // append resources to icon search path to icon theme, if neccasary + try { + var icon_dir = GLib.File.new_for_path(GLib.Path.get_dirname( + GLib.FileUtils.read_link("/proc/self/exe"))).get_child("resources"); + + if (icon_dir.query_exists()) { + string path = icon_dir.get_path(); + Gtk.IconTheme.get_default().append_search_path(path); + } + + Gtk.IconTheme.get_default().append_search_path("/usr/share/pixmaps/"); + + } catch (GLib.FileError e) { + warning("Failed to get path of executable!"); + } + + // get global paths + var default_dir = GLib.File.new_for_path("/usr/share/gnome-pie/"); + if(!default_dir.query_exists()) { + default_dir = GLib.File.new_for_path("/usr/local/share/gnome-pie/"); + + if(!default_dir.query_exists()) { + try { + default_dir = GLib.File.new_for_path(GLib.Path.get_dirname( + GLib.FileUtils.read_link("/proc/self/exe"))).get_child("resources"); + } catch (GLib.FileError e) { + warning("Failed to get path of executable!"); + } + } + } + + global_themes = default_dir.get_path() + "/themes"; + + // get locales path + var locale_dir = GLib.File.new_for_path("/usr/share/locale/de/LC_MESSAGES/gnomepie.mo"); + if(locale_dir.query_exists()) { + locale_dir = GLib.File.new_for_path("/usr/share/locale"); + } else { + locale_dir = GLib.File.new_for_path("/usr/local/share/locale/de/LC_MESSAGES/gnomepie.mo"); + if(locale_dir.query_exists()) { + locale_dir = GLib.File.new_for_path("/usr/local/share/locale"); + } else { + + try { + locale_dir = GLib.File.new_for_path(GLib.Path.get_dirname( + GLib.FileUtils.read_link("/proc/self/exe"))).get_child( + "resources/locale/de/LC_MESSAGES/gnomepie.mo"); + } catch (GLib.FileError e) { + warning("Failed to get path of executable!"); + } + + if(locale_dir.query_exists()) { + try { + locale_dir = GLib.File.new_for_path(GLib.Path.get_dirname( + GLib.FileUtils.read_link("/proc/self/exe"))).get_child("resources/locale"); + } catch (GLib.FileError e) { + warning("Failed to get path of executable!"); + } + } + } + } + + locales = locale_dir.get_path(); + + // get local paths + var config_dir = GLib.File.new_for_path( + GLib.Environment.get_user_config_dir()).get_child("gnome-pie"); + + // create config_dir if neccasary + if(!config_dir.query_exists()) { + try { + config_dir.make_directory(); + } catch (GLib.Error e) { + error(e.message); + } + } + + // create local themes directory if neccasary + var themes_dir = config_dir.get_child("themes"); + if(!themes_dir.query_exists()) { + try { + themes_dir.make_directory(); + } catch (GLib.Error e) { + error(e.message); + } + } + + local_themes = themes_dir.get_path(); + + // create launchers directory if neccasary + var launchers_dir = config_dir.get_child("launchers"); + if(!launchers_dir.query_exists()) { + try { + launchers_dir.make_directory(); + } catch (GLib.Error e) { + error(e.message); + } + } + + launchers = launchers_dir.get_path(); + + // check for config file + var config_file = config_dir.get_child("pies.conf"); + + pie_config = config_file.get_path(); + settings = config_dir.get_path() + "/gnome-pie.conf"; + + // autostart file name + autostart = GLib.Path.build_filename(GLib.Environment.get_user_config_dir(), + "autostart", "gnome-pie.desktop", null); + + // print results + if (!GLib.File.new_for_path(pie_config).query_exists()) + warning("Failed to find pie configuration file \"pies.conf\"! (This should only happen when Gnome-Pie is started for the first time...)"); + + if (!GLib.File.new_for_path(settings).query_exists()) + warning("Failed to find settings file \"gnome-pie.conf\"!"); + + if (!GLib.File.new_for_path(local_themes).query_exists()) + warning("Failed to find local themes directory!"); + + if (!GLib.File.new_for_path(launchers).query_exists()) + warning("Failed to find launchers directory!"); + + if (!GLib.File.new_for_path(global_themes).query_exists()) + warning("Failed to find global themes directory!"); + } +} + +} diff --git a/src/utilities/renderedText.vala b/src/utilities/renderedText.vala new file mode 100644 index 0000000..924742a --- /dev/null +++ b/src/utilities/renderedText.vala @@ -0,0 +1,110 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A class representing string, rendered on an Image. +///////////////////////////////////////////////////////////////////////// + +public class RenderedText : Image { + + ///////////////////////////////////////////////////////////////////// + /// A cache which stores images. It is cleared when the theme of + /// Gnome-Pie changes. + /// The key is in form <string>@<width>x<height>:<font>. + ///////////////////////////////////////////////////////////////////// + + private static Gee.HashMap<string, Cairo.ImageSurface?> cache { private get; private set; } + + ///////////////////////////////////////////////////////////////////// + /// Initializes the cache. + ///////////////////////////////////////////////////////////////////// + + public static void init() { + clear_cache(); + + Config.global.notify["theme"].connect(() => { + clear_cache(); + }); + } + + ///////////////////////////////////////////////////////////////////// + /// Clears the cache. + ///////////////////////////////////////////////////////////////////// + + static void clear_cache() { + cache = new Gee.HashMap<string, Cairo.ImageSurface?>(); + } + + ///////////////////////////////////////////////////////////////////// + /// C'tor, creates a new image representation of a string. + ///////////////////////////////////////////////////////////////////// + + public RenderedText(string text, int width, int height, string font) { + var cached = this.cache.get("%s@%ux%u:%s".printf(text, width, height, font)); + + if (cached == null) { + this.render_text(text, width, height, font); + this.cache.set("%s@%ux%u:%s".printf(text, width, height, font), this.surface); + } else { + this.surface = cached; + } + } + + ///////////////////////////////////////////////////////////////////// + /// Creates a new transparent image, with text written onto. + ///////////////////////////////////////////////////////////////////// + + public void render_text(string text, int width, int height, string font) { + this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, width, height); + + var ctx = this.context(); + + // set the color as specified in the current theme + Color color = Config.global.theme.caption_color; + ctx.set_source_rgb(color.r, color.g, color.g); + + var layout = Pango.cairo_create_layout(ctx); + layout.set_width(Pango.units_from_double(width)); + + var font_description = Pango.FontDescription.from_string(font); + font_description.set_size((int)(font_description.get_size() * Config.global.global_scale)); + + layout.set_font_description(font_description); + layout.set_text(text, -1); + + // add newlines at the end of each line, in order to allow ellipsizing + string broken_string = ""; + foreach (var line in layout.get_lines()) { + broken_string = broken_string.concat(text.substring(line.start_index, line.length), "\n"); + } + layout.set_text(broken_string, broken_string.length-1); + + layout.set_ellipsize(Pango.EllipsizeMode.END); + layout.set_alignment(Pango.Alignment.CENTER); + + Pango.Rectangle extents; + layout.get_pixel_extents(null, out extents); + ctx.move_to(0, (int)(0.5*(height - extents.height))); + + Pango.cairo_update_layout(ctx, layout); + Pango.cairo_show_layout(ctx, layout); + } +} + +} diff --git a/src/utilities/themedIcon.vala b/src/utilities/themedIcon.vala new file mode 100644 index 0000000..29ae380 --- /dev/null +++ b/src/utilities/themedIcon.vala @@ -0,0 +1,161 @@ +/* +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/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A class representing a square-shaped icon, themed according to the +/// current theme of Gnome-Pie. +///////////////////////////////////////////////////////////////////////// + +public class ThemedIcon : Image { + + ///////////////////////////////////////////////////////////////////// + /// A cache which stores loaded icon. The key is the icon name. When + /// the users icon theme or the theme of Gnome-Pie changes, these + /// cahces are cleared. + ///////////////////////////////////////////////////////////////////// + + private static Gee.HashMap<string, Cairo.ImageSurface?> active_cache { private get; private set; } + private static Gee.HashMap<string, Cairo.ImageSurface?> inactive_cache { private get; private set; } + + ///////////////////////////////////////////////////////////////////// + /// Initializes the caches. + ///////////////////////////////////////////////////////////////////// + + public static void init() { + clear_cache(); + + Config.global.notify["theme"].connect(() => { + clear_cache(); + }); + + Gtk.IconTheme.get_default().changed.connect(() => { + clear_cache(); + }); + } + + ///////////////////////////////////////////////////////////////////// + /// Clears the cache. + ///////////////////////////////////////////////////////////////////// + + public static void clear_cache() { + active_cache = new Gee.HashMap<string, Cairo.ImageSurface?>(); + inactive_cache = new Gee.HashMap<string, Cairo.ImageSurface?>(); + } + + ///////////////////////////////////////////////////////////////////// + /// Paint a slice icon according to the current theme. + ///////////////////////////////////////////////////////////////////// + + public ThemedIcon(string icon_name, bool active) { + // check cache + var current_cache = active ? active_cache : inactive_cache; + var cached = current_cache.get(icon_name); + + if (cached != null) { + this.surface = cached; + return; + } + + // get layers for the desired slice type + var layers = active ? Config.global.theme.active_slice_layers : Config.global.theme.inactive_slice_layers; + + // get max size + int size = 0; + foreach (var layer in layers) { + if (layer.image.width() > size) size = layer.image.width(); + } + + this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, size, size); + + // get size of icon layer + int icon_size = size; + foreach (var layer in layers) { + if (layer.is_icon) icon_size = layer.image.width(); + } + + Image icon; + if (icon_name.contains("/")) + icon = new Image.from_file_at_size(icon_name, icon_size, icon_size); + else + icon = new Icon(icon_name, icon_size); + + var color = new Color.from_icon(icon); + var ctx = this.context(); + + ctx.translate(size/2, size/2); + ctx.set_operator(Cairo.Operator.OVER); + + // now render all layers on top of each other + foreach (var layer in layers) { + + if (layer.colorize) { + ctx.push_group(); + } + + if (layer.is_icon) { + + ctx.push_group(); + + layer.image.paint_on(ctx); + + ctx.set_operator(Cairo.Operator.IN); + + if (layer.image.width() != icon_size) { + if (icon_name.contains("/")) + icon = new Image.from_file_at_size(icon_name, layer.image.width(), layer.image.width()); + else + icon = new Icon(icon_name,layer.image.width()); + } + + icon.paint_on(ctx); + + ctx.pop_group_to_source(); + ctx.paint(); + ctx.set_operator(Cairo.Operator.OVER); + + } else { + layer.image.paint_on(ctx); + } + + // colorize the whole layer if neccasary + if (layer.colorize) { + ctx.set_operator(Cairo.Operator.ATOP); + ctx.set_source_rgb(color.r, color.g, color.b); + ctx.paint(); + + ctx.set_operator(Cairo.Operator.OVER); + ctx.pop_group_to_source(); + ctx.paint(); + } + } + + // store the surface in cache + current_cache.set(icon_name, this.surface); + } + + ///////////////////////////////////////////////////////////////////// + /// Returns the size of the icon in pixels. Greetings to Liskov. + ///////////////////////////////////////////////////////////////////// + + public int size() { + return base.width(); + } +} + +} |