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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 Gtk;
namespace Widgets {
public class ShortcutEntry : Gtk.EventBox {
public Cairo.ImageSurface button_left_surface;
public Cairo.ImageSurface button_right_surface;
public Gdk.RGBA active_frame_color;
public Gdk.RGBA background_color;
public Gdk.RGBA hint_color;
public Gdk.RGBA normal_frame_color;
public Gdk.RGBA shortcut_background_color;
public Gdk.RGBA shortcut_font_color;
public Gdk.RGBA shortcut_frame_color;
public bool is_double_clicked = false;
public int double_clicked_max_delay = 150;
public int height = 24;
public int shortcut_font_padding_x = 4;
public int shortcut_font_padding_y = 0;
public int shortcut_font_size = 8;
public int shortcut_key_padding_x = 4;
public int shortcut_key_padding_y = 0;
public int shortcut_key_spacing = 5;
public string shortcut = "";
public signal void change_key(string new_key);
public ShortcutEntry() {
Intl.bindtextdomain(GETTEXT_PACKAGE, "/usr/share/locale");
button_left_surface = Utils.create_image_surface("shortcut_button_left.svg");
button_right_surface = Utils.create_image_surface("shortcut_button_right.svg");
set_visible_window(false);
set_can_focus(true);
set_size_request(-1, 24);
normal_frame_color = Gdk.RGBA();
normal_frame_color.red = 0;
normal_frame_color.green = 0;
normal_frame_color.blue = 0;
normal_frame_color.alpha = 0.1;
active_frame_color = Utils.hex_to_rgba("#2ca7f8");
background_color = Utils.hex_to_rgba("#ffffff");
hint_color = Utils.hex_to_rgba("#ADAEAF");
shortcut_background_color = Utils.hex_to_rgba("#69AAFF");
shortcut_background_color.alpha = 0.15;
shortcut_frame_color = Utils.hex_to_rgba("#5F9FD9");
shortcut_frame_color.alpha = 0.30;
shortcut_font_color = Utils.hex_to_rgba("#303030");
draw.connect(on_draw);
button_press_event.connect((w, e) => {
grab_focus();
if (e.type == Gdk.EventType.BUTTON_PRESS) {
is_double_clicked = true;
GLib.Timeout.add(double_clicked_max_delay, () => {
is_double_clicked = false;
return false;
});
} else if (e.type == Gdk.EventType.2BUTTON_PRESS) {
if (is_double_clicked) {
shortcut = "";
change_key(shortcut);
queue_draw();
}
}
queue_draw();
return false;
});
key_press_event.connect((w, e) => {
string keyname = Keymap.get_keyevent_name(e);
if (keyname == "Backspace") {
shortcut = "";
change_key(shortcut);
queue_draw();
} else if (keyname == "Ctrl + Tab" || keyname == "Ctrl + Shift + Tab" || keyname == "Shift + Tab") {
return false;
} else if (keyname.has_prefix("F") || keyname.contains("+")) {
shortcut = keyname;
change_key(shortcut);
queue_draw();
}
return false;
});
}
public void set_text(string text) {
shortcut = text;
queue_draw();
}
public string get_text() {
return shortcut;
}
private bool on_draw(Gtk.Widget widget, Cairo.Context cr) {
Gtk.Allocation rect;
widget.get_allocation(out rect);
if (is_focus) {
Draw.stroke_rounded_rectangle(cr, 0, 0, rect.width, rect.height, 4, active_frame_color, background_color);
} else {
Draw.stroke_rounded_rectangle(cr, 0, 0, rect.width, rect.height, 4, normal_frame_color, background_color);
}
if (shortcut == "") {
cr.set_source_rgba(hint_color.red, hint_color.green, hint_color.blue, hint_color.alpha);
Draw.draw_text(
cr,
_("Please enter a new shortcut"),
shortcut_font_padding_x,
shortcut_font_padding_y,
rect.width - shortcut_font_padding_x * 2,
rect.height - shortcut_font_padding_y * 2,
shortcut_font_size);
} else {
int x = shortcut_font_padding_x;
int y = shortcut_font_padding_y;
var shortcut_keys = shortcut.split(" + ");
foreach (string key in shortcut_keys) {
var font_description = new Pango.FontDescription();
font_description.set_size((int)(shortcut_font_size * Pango.SCALE));
var layout = Pango.cairo_create_layout(cr);
layout.set_font_description(font_description);
layout.set_text(key, key.length);
layout.set_alignment(Pango.Alignment.LEFT);
layout.set_single_paragraph_mode(true);
layout.set_ellipsize(Pango.EllipsizeMode.END);
int text_width, text_height;
layout.get_pixel_size(out text_width, out text_height);
int key_width = int.max(text_width, 20);
int button_width = button_left_surface.get_width() / get_scale_factor();
int button_height = button_left_surface.get_height() / get_scale_factor();
int button_y = (height - button_height) / 2;
int shortcut_key_width = key_width + shortcut_key_padding_x * 2;
Draw.draw_surface(cr, button_left_surface, x, button_y);
Draw.draw_surface(cr, button_right_surface, x + shortcut_key_width - button_width, button_y);
cr.set_source_rgba(shortcut_background_color.red, shortcut_background_color.green, shortcut_background_color.blue, shortcut_background_color.alpha);
Draw.draw_rectangle(cr, x + button_width, button_y, shortcut_key_width - button_width * 2, button_height);
cr.set_source_rgba(shortcut_frame_color.red, shortcut_frame_color.green, shortcut_frame_color.blue, shortcut_frame_color.alpha);
Draw.draw_rectangle(cr, x + button_width, button_y, shortcut_key_width - button_width * 2, 1);
Draw.draw_rectangle(cr, x + button_width, button_y + button_height - 1, shortcut_key_width - button_width * 2, 1);
int render_y = y + int.max(0, (height - text_height) / 2);
cr.set_source_rgba(shortcut_font_color.red, shortcut_font_color.green, shortcut_font_color.blue, shortcut_font_color.alpha);
cr.move_to(x + (key_width - text_width) / 2 + shortcut_key_padding_x, render_y);
Pango.cairo_update_layout(cr, layout);
Pango.cairo_show_layout(cr, layout);
x += key_width + shortcut_key_spacing + shortcut_key_padding_x * 2;
}
}
return true;
}
}
}
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