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/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
* -*- coding: utf-8 -*-
*
* Copyright (C) 2019 Deepin, Inc.
* 2019 Gary Wang
*
* Author: Gary Wang <wzc782970009@gmail.com>
* Maintainer: Gary Wang <wzc782970009@gmail.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;
using Widgets;
// This is pretty dirty workaround to make the window resizable under not composited window manager.
// Feel free to submit a patch if you have better solution.
namespace Widgets {
private static int GRIP_WIDTH = 8;
public static int GRIP_HEIGHT = 8;
public class Grip : Gtk.EventBox {
public Cairo.ImageSurface resize_grip_surface;
public int surface_y;
public signal void clicked(Gdk.EventButton event);
public Grip() {
resize_grip_surface = Utils.create_image_surface("resize_grip.svg");
set_size_request(GRIP_WIDTH, GRIP_HEIGHT);
surface_y = (GRIP_HEIGHT - resize_grip_surface.get_height() / get_scale_factor()) / 2;
draw.connect(on_draw);
enter_notify_event.connect((w, e) => {
// set cursor.
get_window().set_cursor(new Gdk.Cursor.for_display(Gdk.Display.get_default(),
Gdk.CursorType.BOTTOM_RIGHT_CORNER));
return false;
});
leave_notify_event.connect((w, e) => {
// set cursor back.
get_window().set_cursor(null);
return false;
});
button_press_event.connect((w, e) => {
get_window().begin_resize_drag(Gdk.WindowEdge.SOUTH_EAST, (int)e.button, (int)e.x_root, (int)e.y_root, e.get_time());
return false;
});
}
private bool on_draw(Gtk.Widget widget, Cairo.Context cr) {
Draw.draw_surface(cr, resize_grip_surface, 0, surface_y);
return true;
}
}
public class ResizeGrip : Gtk.Overlay {
public Widgets.WindowEventArea event_area;
public Widgets.Window window;
public Grip grip;
public ResizeGrip(Widgets.Window win) {
window = win;
grip = new Widgets.Grip();
grip.set_halign(Gtk.Align.END);
Box box = new Box(Gtk.Orientation.HORIZONTAL, 0);
box.pack_start(grip, true, true, 0);
event_area = new Widgets.WindowEventArea(this);
event_area.margin_end = Constant.CLOSE_BUTTON_WIDTH;
add(box);
add_overlay(event_area);
set_size_request(-1, GRIP_HEIGHT);
Gdk.RGBA background_color = Gdk.RGBA();
box.draw.connect((w, cr) => {
Gtk.Allocation rect;
w.get_allocation(out rect);
try {
background_color = Utils.hex_to_rgba(window.config.config_file.get_string("theme", "background"));
cr.set_source_rgba(background_color.red, background_color.green, background_color.blue, window.config.config_file.get_double("general", "opacity"));
Draw.draw_rectangle(cr, 0, 0, rect.width, rect.height);
} catch (Error e) {
print("ResizeGrip draw: %s\n", e.message);
}
Utils.propagate_draw((Container) w, cr);
return true;
});
}
}
}
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