1 #include "Widget.hh"
2
3 #include "Config.hh"
4
set_available_area(Box2f area)5 void Widget::set_available_area(Box2f area)
6 {
7 V2f s = area.size();
8 float area_aspect = s.x/s.y;
9
10
11 if (area_aspect >= this->aspect) {
12 // area wider than widget
13 extent.min.y = area.min.y;
14 extent.max.y = area.max.y;
15
16 float w = area.size().y * this->aspect;
17
18 extent.min.x = area.center().x - w/2;
19 extent.max.x = area.center().x + w/2;
20
21 } else {
22 // area higher than widget
23 extent.min.x = area.min.x;
24 extent.max.x = area.max.x;
25
26 float h = area.size().x / this->aspect;
27
28 extent.min.y = area.center().y - h/2;
29 extent.max.y = area.center().y + h/2;
30 }
31 }
32
Button(string texture_file)33 Button::Button(string texture_file)
34 : Widget(1.0),
35 texture(texture_file.c_str())
36 {
37 V2u s = texture.get_size();
38
39 aspect = (float)s.x / (float)s.y;
40 }
41
area_clicked(V2f pos)42 void Button::area_clicked(V2f pos)
43 {
44 if (extent.intersects(pos)) {
45 signal_clicked.emit();
46 //cout << "Button clicked at " << pos << "." << endl;
47 }
48 }
49
draw(void)50 void Button::draw(void)
51 {
52
53 glDisable(GL_DEPTH_TEST);
54
55 glEnable(GL_BLEND);
56 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
57 glBlendEquation(GL_FUNC_ADD);
58 glEnable(GL_TEXTURE_2D);
59
60 glDisable(GL_LIGHTING);
61
62 texture.bind(GL_TEXTURE0);
63
64 glColor4f(1,1,1,1);
65 glBegin(GL_QUADS);
66
67 glTexCoord2f(0, 0);
68 glVertex2f(extent.min.x, extent.min.y);
69 glTexCoord2f(1, 0);
70 glVertex2f(extent.max.x, extent.min.y);
71 glTexCoord2f(1, 1);
72 glVertex2f(extent.max.x, extent.max.y);
73 glTexCoord2f(0, 1);
74 glVertex2f(extent.min.x, extent.max.y);
75
76 glEnd();
77
78 glDisable(GL_BLEND);
79
80 texture.unbind(GL_TEXTURE0);
81
82 //glEnable(GL_LIGHTING);
83
84 glEnable(GL_DEPTH_TEST);
85 }
86
TextArea(string initial_text,Config * config,Color4f bgcolor)87 TextArea::TextArea(string initial_text, Config* config, Color4f bgcolor)
88 : Widget(1.0),
89 text(initial_text), bgcolor(bgcolor)
90 {
91 int face_size = 72;
92
93 font = new FTBufferFont((config->resource_dir + "fonts/dijkstra.ttf").c_str());
94
95 if (font->Error()) {
96 cerr << "Something went wrong with loading the font." << endl;
97 }
98
99 font->FaceSize(face_size);
100
101 FTBBox ftbbox = font->BBox(initial_text.c_str());
102 Box2f bbox(V2f(ftbbox.Lower().X(), ftbbox.Lower().Y()),
103 V2f(ftbbox.Upper().X(), ftbbox.Upper().Y()));
104
105 // bbox.min.y = 0;
106 // bbox.max.y = face_size;
107
108 aspect = bbox.size().x / bbox.size().y;
109 }
110
set_available_area(Box2f area)111 void TextArea::set_available_area(Box2f area)
112 {
113 Widget::set_available_area(area);
114
115 bgarea = area;
116
117 font->FaceSize((int)extent.size().y);
118 }
119
~TextArea()120 TextArea::~TextArea()
121 {
122 delete font;
123 }
124
125
126
set_text(string text)127 void TextArea::set_text(string text)
128 {
129 this->text = text;
130 }
131
area_clicked(V2f pos)132 void TextArea::area_clicked(V2f pos)
133 {
134 if (extent.intersects(pos)) {
135 signal_clicked.emit();
136 //cout << "Button clicked at " << pos << "." << endl;
137 }
138 }
139
draw(void)140 void TextArea::draw(void)
141 {
142 FTBBox ftbbox = font->BBox(text.c_str());
143 Box2f bbox(V2f(ftbbox.Lower().X(), ftbbox.Lower().Y()),
144 V2f(ftbbox.Upper().X(), ftbbox.Upper().Y()));
145
146 bbox.min.y = 0;
147 bbox.max.y = 72;
148
149 glEnable(GL_BLEND);
150 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
151 glBlendEquation(GL_FUNC_ADD);
152 glDisable(GL_DEPTH_TEST);
153
154 // glColor(bgcolor);
155
156 // glBegin(GL_QUADS);
157
158 // glTexCoord2f(0, 0);
159 // glVertex2f(bgarea.min.x, bgarea.min.y);
160 // glTexCoord2f(1, 0);
161 // glVertex2f(bgarea.max.x, bgarea.min.y);
162 // glTexCoord2f(1, 1);
163 // glVertex2f(bgarea.max.x, bgarea.max.y);
164 // glTexCoord2f(0, 1);
165 // glVertex2f(bgarea.min.x, bgarea.max.y);
166
167 // glEnd();
168
169 glPushMatrix();
170
171
172 glTranslatef(extent.center().x - bbox.center().x,
173 extent.center().y - bbox.center().y,
174 0);
175
176 glTranslatef(bbox.center().x, bbox.center().y, 0);
177 glScalef(0.7f, 0.7f, 0.7f);
178 glTranslatef(-bbox.center().x, -bbox.center().y, 0);
179
180 glDisable(GL_LIGHTING);
181 glColor4f(255/255.f,134/255.f,255/255.f,1);
182
183 font->Render(text.c_str());
184
185 glPopMatrix();
186
187 glDisable(GL_BLEND);
188
189 }
190
add_widget(Widget * widget,Box2f rel_pos)191 void SimpleLayout::add_widget(Widget* widget, Box2f rel_pos)
192 {
193 widgets[widget] = rel_pos;
194
195 set_available_area(own_size);
196 }
197
remove_widget(Widget * widget)198 void SimpleLayout::remove_widget(Widget* widget)
199 {
200 widgets.erase(widget);
201 }
202
set_available_area(Box2f area)203 void SimpleLayout::set_available_area(Box2f area)
204 {
205 own_size = area;
206
207 for (map<Widget*, Box2f>::iterator i = widgets.begin();
208 i != widgets.end(); ++i) {
209 V2f t_min = i->second.min,
210 t_max = i->second.max;
211
212 Box2f new_widget_area = Box2f((t_min * area.max) + ((V2f(1,1)-t_min) * area.min),
213 (t_max * area.max) + ((V2f(1,1)-t_max) * area.min));
214 i->first->set_available_area(new_widget_area);
215 }
216 }
217
area_clicked(V2f pos)218 void SimpleLayout::area_clicked(V2f pos)
219 {
220 for (map<Widget*, Box2f>::iterator i = widgets.begin();
221 i != widgets.end(); ++i) {
222 i->first->area_clicked(pos);
223 }
224 }
225
draw(void)226 void SimpleLayout::draw(void)
227 {
228 for (map<Widget*, Box2f>::iterator i = widgets.begin();
229 i != widgets.end(); ++i) {
230 // glPushMatrix();
231 // glTranslatef(own_size.min.x, own_size.min.y, 0);
232 // glScalef(own_size.size().x, own_size.size().y,1);
233 // V2f p1 = i->second.min,
234 // p2 = i->second.max;
235 // glColor3f(1,1,0);
236 // glLineWidth(2.0);
237 // glBegin(GL_LINE_LOOP);
238 // glVertex2f(p1.x, p1.y);
239 // glVertex2f(p2.x, p1.y);
240 // glVertex2f(p2.x, p2.y);
241 // glVertex2f(p1.x, p2.y);
242 // glEnd();
243 // glLineWidth(1.0);
244 // glPopMatrix();
245
246 i->first->draw();
247 }
248 }
249
Slider(Config * config)250 Slider::Slider(Config* config)
251 : Widget(1.0),
252 up_button(config->resource_dir + "textures/up.png"),
253 down_button(config->resource_dir + "textures/down.png")
254 {
255 up_button.on_click()
256 .connect(sigc::bind(sigc::mem_fun(this, &Slider::change), 1));
257 down_button.on_click()
258 .connect(sigc::bind(sigc::mem_fun(this, &Slider::change),-1));
259 }
260
change(int dir)261 void Slider::change(int dir)
262 {
263 signal_clicked.emit(dir);
264 }
265
set_available_area(Box2f area)266 void Slider::set_available_area(Box2f area)
267 {
268 extent = area;
269
270 up_button.set_available_area(Box2f(V2f(area.min.x,area.center().y),
271 area.max));
272 down_button.set_available_area(Box2f(area.min,
273 V2f(area.max.x,area.center().y)));
274 }
275
area_clicked(V2f pos)276 void Slider::area_clicked(V2f pos)
277 {
278 if (extent.intersects(pos)) {
279 up_button.area_clicked(pos);
280 down_button.area_clicked(pos);
281 }
282 }
283
draw(void)284 void Slider::draw(void)
285 {
286 up_button.draw();
287 down_button.draw();
288 }
289
