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/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
* -*- coding: utf-8 -*-
*
* Copyright (C) 2011 ~ 2018 Deepin, Inc.
* 2011 ~ 2018 Wang Yong
*
* Author: Wang Yong <wangyong@deepin.com>
* Maintainer: Wang Yong <wangyong@deepin.com>
*
* 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
* 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 Gee;
using Gtk;
using Widgets;
namespace Widgets {
public class ThemeButton : Gtk.EventBox {
public Cairo.ImageSurface active_theme_border_surface;
public Cairo.ImageSurface dark_theme_border_surface;
public Cairo.ImageSurface light_theme_border_surface;
public Gdk.RGBA background_color;
public Gdk.RGBA prompt_color_host;
public Gdk.RGBA prompt_color_path;
public Gdk.RGBA foreground_color;
public KeyFile theme_file;
public bool is_active = false;
public bool is_light_color;
public int background_padding = 2;
public int border_padding = 1;
public int button_radius = 5;
public int content_font_size = 11;
public int content_padding_x = 14;
public int content_padding_y = 25;
public int title_font_size = 11;
public int title_padding_x = 14;
public int title_padding_y = 6;
public string theme_name;
public ThemeButton(string name) {
theme_name = name;
try {
theme_file = new KeyFile();
theme_file.load_from_file(Utils.get_theme_path(theme_name), KeyFileFlags.NONE);
background_color = Utils.hex_to_rgba(theme_file.get_string("theme", "background").strip());
is_light_color = Utils.is_light_color(theme_file.get_string("theme", "background").strip());
background_color.alpha = 0.8;
foreground_color = Utils.hex_to_rgba(theme_file.get_string("theme", "foreground").strip());
prompt_color_host = Utils.hex_to_rgba(theme_file.get_string("theme", "color_11").strip());
prompt_color_path = Utils.hex_to_rgba(theme_file.get_string("theme", "color_13").strip());
dark_theme_border_surface = Utils.create_image_surface("dark_theme_border.svg");
light_theme_border_surface = Utils.create_image_surface("light_theme_border.svg");
active_theme_border_surface = Utils.create_image_surface("active_theme_border.svg");
} catch (Error e) {
print("ThemeButton: %s\n", e.message);
}
visible_window = false;
set_size_request(Constant.THEME_BUTTON_WIDTH, Constant.THEME_BUTTON_HEIGHT);
margin_start = (Constant.THEME_SLIDER_WIDTH - Constant.THEME_BUTTON_WIDTH) / 2;
margin_end = (Constant.THEME_SLIDER_WIDTH - Constant.THEME_BUTTON_WIDTH) / 2;
draw.connect(on_draw);
}
public void active() {
is_active = true;
queue_draw();
}
public void inactive() {
is_active = false;
queue_draw();
}
private bool on_draw(Gtk.Widget widget, Cairo.Context cr) {
Gtk.Allocation rect;
widget.get_allocation(out rect);
int clip_width = rect.width - background_padding * 2;
int clip_height = rect.height - background_padding * 2;
cr.save();
// Clip round rectangle when DPI > 1, for perfect radius effect.
if (get_scale_factor() > 1) {
Draw.clip_rounded_rectangle(
cr,
background_padding,
background_padding,
clip_width,
clip_height,
button_radius / get_scale_factor() + 1);
}
cr.set_source_rgba(background_color.red, background_color.green, background_color.blue, background_color.alpha);
Draw.fill_rounded_rectangle(
cr,
background_padding,
background_padding,
clip_width,
clip_height,
button_radius / get_scale_factor());
cr.restore();
string prompt_host = "dde@linux:", prompt_path = "~/Theme";
Draw.set_context_source_color(cr, prompt_color_host);
Draw.draw_text(cr, prompt_host, title_padding_x, title_padding_y, rect.width, rect.height, title_font_size, Pango.Alignment.LEFT, "top");
int prompt_host_width = Draw.get_text_render_width(cr, prompt_host, clip_width, clip_height, title_font_size);
Draw.set_context_source_color(cr, prompt_color_path);
Draw.draw_text(cr, prompt_path, title_padding_x + prompt_host_width, title_padding_y, rect.width, rect.height, title_font_size, Pango.Alignment.LEFT, "top");
int prompt_host_n_path_width = Draw.get_text_render_width(cr, prompt_path, clip_width, clip_height, title_font_size) + prompt_host_width;
Draw.set_context_source_color(cr, foreground_color);
Draw.draw_text(cr, "$ _", title_padding_x + prompt_host_n_path_width, title_padding_y, rect.width, rect.height, title_font_size, Pango.Alignment.LEFT, "top");
Draw.set_context_source_color(cr, foreground_color);
Draw.draw_text(cr, theme_name, content_padding_x, content_padding_y, rect.width, rect.height, content_font_size, Pango.Alignment.LEFT, "top");
if (is_active) {
Draw.draw_surface(cr, active_theme_border_surface);
} else if (is_light_color) {
Draw.draw_surface(cr, light_theme_border_surface, border_padding, border_padding);
} else {
Draw.draw_surface(cr, dark_theme_border_surface, border_padding, border_padding);
}
return true;
}
}
public class ThemeList : Gtk.VBox {
public int theme_button_padding = Constant.THEME_BUTTON_PADDING;
public HashMap<string, ThemeButton> theme_button_map;
public ThemeButton? active_theme_button = null;
public signal void active_theme(string theme_name);
public ThemeList(string default_theme) {
theme_button_map = new HashMap<string, ThemeButton>();
var theme_names = Utils.list_files(Utils.get_theme_dir());
var additional_theme_names = Utils.list_files(Utils.get_additional_theme_dir());
theme_names.add_all(additional_theme_names);
theme_names.sort((CompareDataFunc) compare_color_brightness);
foreach (string theme_name in theme_names) {
var button = new Widgets.ThemeButton(theme_name);
pack_start(button, false, false, theme_button_padding);
button.button_press_event.connect((w, e) => {
if (Utils.is_left_button(e)) {
active_button(theme_name);
active_theme(theme_name);
}
return false;
});
theme_button_map.set(theme_name, button);
}
active_button(default_theme);
}
public static int compare_color_brightness(string a, string b) {
try {
var a_theme_file = new KeyFile();
a_theme_file.load_from_file(Utils.get_theme_path((string) a), KeyFileFlags.NONE);
var a_background_color = Utils.get_color_brightness(a_theme_file.get_string("theme", "background").strip());
var b_theme_file = new KeyFile();
b_theme_file.load_from_file(Utils.get_theme_path((string) b), KeyFileFlags.NONE);
var b_background_color = Utils.get_color_brightness(b_theme_file.get_string("theme", "background").strip());
if (a_background_color > b_background_color) {
return 1;
}
if (a_background_color == b_background_color) {
return 0;
}
} catch (Error e) {
print("compare_color_brightness: %s\n", e.message);
}
return -1;
}
public void active_button(string theme_name) {
if (active_theme_button != null) {
active_theme_button.inactive();
}
if (theme_button_map.has_key(theme_name)) {
active_theme_button = theme_button_map.get(theme_name);
} else {
active_theme_button = theme_button_map.get("deepin");
}
active_theme_button.active();
}
}
}
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