1 /*
2 Copyright (C) 2014 Johan Mattsson
3
4 This library is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 3 of the
7 License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13 */
14
15 using Cairo;
16
17 namespace BirdFont {
18
19 public class LabelTool : Tool {
20
21 public string label {
22 get {
23 return label_text.text;
24 }
25
26 set {
27 clear_cache ();
28 label_text.set_text (value);
29 }
30 }
31
32 public string number {
33 get {
34 return counter_number;
35 }
36
37 set {
38 clear_cache ();
39 counter_number = value;
40 }
41 }
42
43 string counter_number = "";
44
45 public bool has_counter { get; set; }
46 public bool has_delete_button { get; set; }
47 public signal void delete_action (LabelTool self);
48 public string data = "";
49
50 double counter_box_width = 24 * Toolbox.get_scale ();
51 double counter_box_height = 11 * Toolbox.get_scale ();
52
53 Text label_text;
54
55 Surface? selected_cache = null;
56 Surface? deselected_cache = null;
57
58 public LabelTool (string label) {
59 double text_height;
60
61 base ();
62
63 label_text = new Text ();
64 label_text.set_text (label);
65
66 this.label = label;
67 this.number = "-";
68
69 text_height = 17 * Toolbox.get_scale ();
70 label_text.set_font_size (text_height);
71
72 has_delete_button = false;
73 has_counter = false;
74
75 panel_press_action.connect ((selected, button, tx, ty) => {
76 if (has_delete_button && y <= ty <= y + h && tx >= w - 30 * Toolbox.get_scale ()) {
77 delete_action (this);
78 }
79 });
80 }
81
82 void clear_cache () {
83 selected_cache = null;
84 deselected_cache = null;
85 }
86
87 public override void draw_tool (Context cr, double px, double py) {
88 double x = this.x - px;
89 double y = this.y - py;
90
91 if (is_selected ()) {
92
93 if (selected_cache == null) {
94 selected_cache = Screen.create_background_surface ((int) (w * Screen.get_scale ()), (int) ((h + 2) * Screen.get_scale ()));
95 Context c = new Context ((!) selected_cache);
96 c.scale (Screen.get_scale (), Screen.get_scale ());
97 draw_tool_surface (c, x, 2, true);
98 }
99
100 cr.save ();
101 cr.scale (1 / Screen.get_scale (), 1 / Screen.get_scale ());
102 cr.set_antialias (Cairo.Antialias.NONE);
103 cr.set_source_surface ((!) selected_cache, 0, (int) ((y - 2) * Screen.get_scale ()));
104 cr.paint ();
105 cr.restore ();
106 } else {
107
108 if (deselected_cache == null) {
109 deselected_cache = Screen.create_background_surface ((int) (w * Screen.get_scale ()), (int) ((h + 2) * Screen.get_scale ()));
110 Context c = new Context ((!) deselected_cache);
111 c.scale (Screen.get_scale (), Screen.get_scale ());
112 draw_tool_surface (c, x, 2, false);
113 }
114
115 cr.save ();
116 cr.scale (1 / Screen.get_scale (), 1 / Screen.get_scale ());
117 cr.set_antialias (Cairo.Antialias.NONE);
118 cr.set_source_surface ((!) deselected_cache, 0, (int) ((y - 2) * Screen.get_scale ()));
119 cr.paint ();
120 cr.restore ();
121 }
122 }
123
124 public void draw_tool_surface (Context cr, double px, double py, bool selected) {
125 Text glyph_count;
126 double bgx, bgy;
127 double center_x, center_y;
128 double text_height;
129 double text_width;
130 double x = px;
131 double y = py;
132
133 // background
134 if (selected) {
135 cr.save ();
136 Theme.color (cr, "Menu Background");
137 cr.rectangle (0, y - 2 * Toolbox.get_scale (), w, h); // labels overlap with 2 pixels
138 cr.fill ();
139 cr.restore ();
140 }
141
142 // tab label
143 cr.save ();
144
145 Theme.text_color (label_text, "Text Tool Box");
146
147 text_width = Toolbox.allocation_width;
148
149 if (has_counter) {
150 text_width -= counter_box_width - 15;
151 }
152
153 if (has_delete_button) {
154 text_width -= 30;
155 }
156
157 label_text.truncate (text_width);
158 label_text.draw_at_top (cr, x, y);
159 cr.restore ();
160
161 // glyph count
162 if (has_counter) {
163 cr.save ();
164 bgx = Toolbox.allocation_width - counter_box_width - 9;
165 bgy = y + 2;
166
167 if (is_selected ()) {
168 Theme.color (cr, "Glyph Count Background 1");
169 } else {
170 Theme.color (cr, "Glyph Count Background 2");
171 }
172
173 draw_rounded_rectangle (cr, bgx, bgy, counter_box_width, counter_box_height, 3);
174 cr.fill ();
175 cr.restore ();
176
177 glyph_count = new Text ();
178 glyph_count.set_text (@"$(this.number)");
179 text_height = 12;
180
181 glyph_count.set_font_size (text_height);
182 center_x = bgx + (counter_box_width / 2.0 - glyph_count.get_extent () / 2.0);
183 center_y = bgy + (counter_box_height / 2.0 + 5);
184
185 if (is_selected ()) {
186 Theme.text_color (glyph_count, "Text Foreground");
187 } else {
188 Theme.text_color (glyph_count, "Text Foreground");
189 }
190
191 glyph_count.set_font_size (text_height);
192 glyph_count.draw_at_baseline (cr, center_x, center_y);
193 }
194
195 if (has_delete_button) {
196 cr.save ();
197 Theme.color (cr, "Text Foreground");
198 cr.set_line_width (1);
199 cr.move_to (w - 20, y + h / 2 - 2.5 - 2);
200 cr.line_to (w - 25, y + h / 2 + 2.5 - 2);
201 cr.move_to (w - 20, y + h / 2 + 2.5 - 2);
202 cr.line_to (w - 25, y + h / 2 - 2.5 - 2);
203 cr.stroke ();
204 cr.restore ();
205 }
206 }
207 }
208
209 }
210