1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
#include "../../include/gui/DropdownButton.hpp"
#include "../../include/gui/Utils.hpp"
#include "../../include/Theme.hpp"
#include <mglpp/graphics/Rectangle.hpp>
#include <mglpp/graphics/Texture.hpp>
#include <mglpp/window/Window.hpp>
#include <mglpp/window/Event.hpp>
#include <mglpp/system/FloatRect.hpp>
namespace gsr {
static const float padding_top_scale = 0.00694f;
static const float padding_bottom_scale = 0.00694f;
static const float padding_left_scale = 0.009259f;
static const float padding_right_scale = 0.009259f;
static const float icon_spacing_scale = 0.008f;
static const float border_scale = 0.003f;
DropdownButton::DropdownButton(mgl::Font *title_font, mgl::Font *description_font, const char *title, const char *description_activated, const char *description_deactivated, mgl::Texture *icon_texture, mgl::vec2f size) :
title_font(title_font), description_font(description_font), size(size), title(title, *title_font), description(description_deactivated, *description_font),
description_activated(description_activated), description_deactivated(description_deactivated)
{
if(icon_texture && icon_texture->is_valid()) {
icon_sprite.set_texture(icon_texture);
icon_sprite.set_height((int)(size.y * 0.5f));
}
this->description.set_color(mgl::Color(150, 150, 150));
}
bool DropdownButton::on_event(mgl::Event &event, mgl::Window&, mgl::vec2f offset) {
if(!visible)
return true;
if(event.type == mgl::Event::MouseMoved) {
const mgl::vec2f draw_pos = position + offset;
const mgl::vec2f collision_margin(1.0f, 1.0f); // Makes sure that multiple buttons that are next to each other wont activate at the same time when the cursor is right between them
mouse_inside = mgl::FloatRect(draw_pos + collision_margin, size - collision_margin).contains({ (float)event.mouse_move.x, (float)event.mouse_move.y });
} else if(event.type == mgl::Event::MouseButtonPressed && event.mouse_button.button == mgl::Mouse::Left) {
const bool clicked_inside = mouse_inside;
if(show_dropdown && clicked_inside && mouse_inside_item == -1) {
show_dropdown = false;
remove_widget_as_selected_in_parent();
return false;
}
show_dropdown = clicked_inside;
if(show_dropdown)
set_widget_as_selected_in_parent();
else
remove_widget_as_selected_in_parent();
if(mouse_inside_item >= 0 && mouse_inside_item < (int)items.size()) {
if(on_click)
on_click(items[mouse_inside_item].id);
return false;
}
}
return true;
}
void DropdownButton::draw(mgl::Window &window, mgl::vec2f offset) {
if(!visible)
return;
update_if_dirty();
const mgl::vec2f draw_pos = position + offset;
const int padding_top = padding_top_scale * get_theme().window_height;
const int padding_bottom = padding_bottom_scale * get_theme().window_height;
const int padding_left = padding_left_scale * get_theme().window_height;
const int padding_right = padding_right_scale * get_theme().window_height;
const int icon_spacing = icon_spacing_scale * get_theme().window_height;
const int border_size = border_scale * get_theme().window_height;
if(show_dropdown) {
// Background
{
mgl::Rectangle rect(size);
rect.set_position(draw_pos);
rect.set_color(mgl::Color(0, 0, 0, 255));
window.draw(rect);
}
const mgl::Color border_color = get_theme().tint_color;
// Green line at top
{
mgl::Rectangle rect({ size.x, (float)border_size });
rect.set_position(draw_pos);
rect.set_color(border_color);
window.draw(rect);
}
} else if(mouse_inside) {
// Background
{
mgl::Rectangle rect(size);
rect.set_position(draw_pos);
rect.set_color(mgl::Color(0, 0, 0, 255));
window.draw(rect);
}
const mgl::Color border_color = get_theme().tint_color;
draw_rectangle_outline(window, draw_pos, size, border_color, border_size);
} else {
// Background
mgl::Rectangle rect(size);
rect.set_position(draw_pos);
rect.set_color(mgl::Color(0, 0, 0, 180));
window.draw(rect);
}
const int text_margin = size.y * 0.085;
const auto title_bounds = title.get_bounds();
title.set_position((draw_pos + mgl::vec2f(size.x * 0.5f - title_bounds.size.x * 0.5f, text_margin)).floor());
window.draw(title);
const auto description_bounds = description.get_bounds();
description.set_position((draw_pos + mgl::vec2f(size.x * 0.5f - description_bounds.size.x * 0.5f, size.y - description_bounds.size.y - text_margin)).floor());
window.draw(description);
if(icon_sprite.get_texture()->is_valid()) {
icon_sprite.set_position((draw_pos + size * 0.5f - icon_sprite.get_size() * 0.5f).floor());
window.draw(icon_sprite);
}
mouse_inside_item = -1;
if(show_dropdown) {
const mgl::vec2i mouse_pos = window.get_mouse_position();
mgl::Rectangle dropdown_bg(max_size);
dropdown_bg.set_position(draw_pos + mgl::vec2f(0.0f, size.y));
dropdown_bg.set_color(mgl::Color(0, 0, 0));
window.draw(dropdown_bg);
mgl::vec2f item_position = dropdown_bg.get_position();
for(size_t i = 0; i < items.size(); ++i) {
auto &item = items[i];
const auto text_bounds = item.text.get_bounds();
const float item_height = padding_top + text_bounds.size.y + padding_bottom;
const mgl::vec2f item_size(max_size.x, item_height);
if(i > 0) {
const float separator_height = std::max(1.0f, item_size.y * 0.05f);
mgl::Rectangle separator((item_position - mgl::vec2f(0.0f, separator_height * 0.5f)).floor(), mgl::vec2f(item_size.x, separator_height).floor());
separator.set_color(get_theme().page_bg_color);
window.draw(separator);
}
if(mouse_inside_item == -1) {
const bool inside = mgl::FloatRect(item_position, item_size).contains({ (float)mouse_pos.x, (float)mouse_pos.y });
if(inside) {
draw_rectangle_outline(window, item_position, item_size, get_theme().tint_color, border_size);
mouse_inside_item = i;
}
}
float icon_offset = 0.0f;
if(item.icon_texture) {
mgl::Sprite icon(item.icon_texture);
icon.set_height((int)(item_size.y * 0.4f));
icon.set_position((item_position + mgl::vec2f(padding_left, item_size.y * 0.5f - icon.get_size().y * 0.5f)).floor());
window.draw(icon);
icon_offset = icon.get_size().x + icon_spacing;
}
item.text.set_position((item_position + mgl::vec2f(padding_left + icon_offset, item_size.y * 0.5f - text_bounds.size.y * 0.5f)).floor());
window.draw(item.text);
const auto description_bounds = item.description_text.get_bounds();
item.description_text.set_position((item_position + mgl::vec2f(item_size.x - description_bounds.size.x - padding_right, item_size.y * 0.5f - description_bounds.size.y * 0.5f)).floor());
item.description_text.set_color(mgl::Color(255, 255, 255, 120));
window.draw(item.description_text);
item_position.y += item_size.y;
}
}
}
void DropdownButton::add_item(const std::string &text, const std::string &id, const std::string &description) {
items.push_back({mgl::Text(text, *title_font), mgl::Text(description, *description_font), nullptr, id});
dirty = true;
}
void DropdownButton::set_item_label(const std::string &id, const std::string &new_label) {
for(auto &item : items) {
if(item.id == id) {
item.text.set_string(new_label);
return;
}
}
}
void DropdownButton::set_item_icon(const std::string &id, mgl::Texture *texture) {
for(auto &item : items) {
if(item.id == id) {
item.icon_texture = texture;
return;
}
}
}
void DropdownButton::set_activated(bool activated) {
if(this->activated == activated)
return;
this->activated = activated;
if(activated) {
description = mgl::Text(description_activated, *description_font);
description.set_color(get_theme().tint_color);
icon_sprite.set_color(get_theme().tint_color);
} else {
description = mgl::Text(description_deactivated, *description_font);
description.set_color(mgl::Color(150, 150, 150));
icon_sprite.set_color(mgl::Color(255, 255, 255));
}
}
void DropdownButton::update_if_dirty() {
if(!dirty)
return;
const int padding_top = padding_top_scale * get_theme().window_height;
const int padding_bottom = padding_bottom_scale * get_theme().window_height;
max_size = { size.x, 0.0f };
for(Item &item : items) {
const mgl::vec2f bounds = item.text.get_bounds().size;
max_size.y += bounds.y + padding_top + padding_bottom;
}
dirty = false;
}
mgl::vec2f DropdownButton::get_size() {
if(!visible)
return {0.0f, 0.0f};
update_if_dirty();
return size;
}
}
|
