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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 Cairo;
using Draw;
using Gtk;
using Utils;
namespace Widgets {
public class ImageButton : Widgets.ClickEventBox {
public bool is_hover = false;
public Cairo.ImageSurface hover_dark_surface;
public Cairo.ImageSurface hover_light_surface;
public Cairo.ImageSurface normal_dark_surface;
public Cairo.ImageSurface normal_light_surface;
public Cairo.ImageSurface press_dark_surface;
public Cairo.ImageSurface press_light_surface;
public Gdk.RGBA text_hover_color;
public Gdk.RGBA text_normal_color;
public Gdk.RGBA text_press_color;
public bool is_theme_button;
public int button_text_size = 14;
public string? button_text;
public ImageButton(string image_path, bool theme_button=false, string? text=null, int text_size=12) {
is_theme_button = theme_button;
if (is_theme_button) {
normal_dark_surface = Utils.create_image_surface(image_path + "_dark_normal.svg");
hover_dark_surface = Utils.create_image_surface(image_path + "_dark_hover.svg");
press_dark_surface = Utils.create_image_surface(image_path + "_dark_press.svg");
normal_light_surface = Utils.create_image_surface(image_path + "_light_normal.svg");
hover_light_surface = Utils.create_image_surface(image_path + "_light_hover.svg");
press_light_surface = Utils.create_image_surface(image_path + "_light_press.svg");
} else {
normal_dark_surface = Utils.create_image_surface(image_path + "_normal.svg");
hover_dark_surface = Utils.create_image_surface(image_path + "_hover.svg");
press_dark_surface = Utils.create_image_surface(image_path + "_press.svg");
}
button_text = text;
button_text_size = text_size;
if (button_text != null) {
text_normal_color = Utils.hex_to_rgba("#0699FF");
text_hover_color = Utils.hex_to_rgba("#FFFFFF");
text_press_color = Utils.hex_to_rgba("#FFFFFF");
}
set_size_request(this.normal_dark_surface.get_width() / get_scale_factor(),
this.normal_dark_surface.get_height() / get_scale_factor());
draw.connect(on_draw);
enter_notify_event.connect((w, e) => {
is_hover = true;
queue_draw();
return false;
});
leave_notify_event.connect((w, e) => {
is_hover = false;
queue_draw();
return false;
});
button_press_event.connect((w, e) => {
queue_draw();
return false;
});
button_release_event.connect((w, e) => {
is_hover = false;
queue_draw();
return false;
});
}
private bool on_draw(Gtk.Widget widget, Cairo.Context cr) {
bool is_light_theme = false;
var top_level = get_toplevel();
if (top_level.get_type().is_a(typeof(Widgets.Dialog))) {
is_light_theme = ((Widgets.Dialog) top_level).transient_window.is_light_theme();
} else {
is_light_theme = ((Widgets.ConfigWindow) get_toplevel()).is_light_theme();
}
var ratio = get_scale_factor();
if (is_hover) {
if (is_press) {
if (is_theme_button && is_light_theme) {
Draw.draw_surface(cr, press_light_surface);
} else {
Draw.draw_surface(cr, press_dark_surface);
}
if (button_text != null) {
Utils.set_context_color(cr, text_press_color);
Draw.draw_text(cr, button_text, 0, 0, normal_dark_surface.get_width() / ratio, normal_dark_surface.get_height() / ratio, button_text_size, Pango.Alignment.CENTER);
}
} else {
if (is_theme_button && is_light_theme) {
Draw.draw_surface(cr, hover_light_surface);
} else {
Draw.draw_surface(cr, hover_dark_surface);
}
if (button_text != null) {
Utils.set_context_color(cr, text_hover_color);
Draw.draw_text(cr, button_text, 0, 0, normal_dark_surface.get_width() / ratio, normal_dark_surface.get_height() / ratio, button_text_size, Pango.Alignment.CENTER);
}
}
} else {
if (is_theme_button && is_light_theme) {
Draw.draw_surface(cr, normal_light_surface);
} else {
Draw.draw_surface(cr, normal_dark_surface);
}
if (button_text != null) {
Utils.set_context_color(cr, text_normal_color);
Draw.draw_text(cr, button_text, 0, 0, normal_dark_surface.get_width() / ratio, normal_dark_surface.get_height() / ratio, button_text_size, Pango.Alignment.CENTER);
}
}
return true;
}
}
}
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