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
|
#include "../../include/gui/ScrollablePage.hpp"
#include "../../include/Theme.hpp"
#include <mglpp/graphics/Rectangle.hpp>
#include <mglpp/window/Window.hpp>
namespace gsr {
ScrollablePage::ScrollablePage(mgl::vec2f size) : size(size) {}
bool ScrollablePage::on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) {
if(!visible)
return true;
const int margin_top = margin_top_scale * get_theme().window_height;
const int margin_left = margin_left_scale * get_theme().window_height;
const mgl::vec2f draw_pos = position + offset;
offset = draw_pos + mgl::vec2f(margin_left, get_border_size() + margin_top).floor();
Widget *selected_widget = selected_child_widget;
if(selected_widget) {
if(!selected_widget->on_event(event, window, offset))
return false;
}
// Process widgets by visibility (backwards)
for(auto it = widgets.rbegin(), end = widgets.rend(); it != end; ++it) {
if(it->get() != selected_widget) {
if(!(*it)->on_event(event, window, offset))
return false;
}
}
return true;
}
void ScrollablePage::draw(mgl::Window &window, mgl::vec2f offset) {
if(!visible)
return;
const int margin_top = margin_top_scale * get_theme().window_height;
const int margin_left = margin_left_scale * get_theme().window_height;
const mgl::vec2f draw_pos = position + offset;
offset = draw_pos + mgl::vec2f(margin_left, get_border_size() + margin_top).floor();
mgl::Rectangle background(size.floor());
background.set_position(draw_pos);
background.set_color(get_theme().scrollable_page_bg_color);
window.draw(background);
mgl::Rectangle border(mgl::vec2f(size.x, get_border_size()).floor());
border.set_position(draw_pos);
border.set_color(get_theme().tint_color);
window.draw(border);
mgl_scissor prev_scissor;
mgl_window_get_scissor(window.internal_window(), &prev_scissor);
const mgl::vec2f content_size = get_inner_size();
mgl_scissor new_scissor = {
mgl_vec2i{(int)offset.x, (int)offset.y},
mgl_vec2i{(int)content_size.x, (int)content_size.y}
};
mgl_window_set_scissor(window.internal_window(), &new_scissor);
Widget *selected_widget = selected_child_widget;
for(auto &widget : widgets) {
if(widget.get() != selected_widget)
widget->draw(window, offset);
}
if(selected_widget)
selected_widget->draw(window, offset);
mgl_window_set_scissor(window.internal_window(), &prev_scissor);
}
mgl::vec2f ScrollablePage::get_size() {
if(!visible)
return {0.0f, 0.0f};
return size;
}
mgl::vec2f ScrollablePage::get_inner_size() {
if(!visible)
return {0.0f, 0.0f};
const int margin_top = margin_top_scale * get_theme().window_height;
const int margin_bottom = margin_bottom_scale * get_theme().window_height;
const int margin_left = margin_left_scale * get_theme().window_height;
const int margin_right = margin_right_scale * get_theme().window_height;
return size - mgl::vec2f(margin_left + margin_right, margin_top + margin_bottom + get_border_size());
}
void ScrollablePage::set_margins(float top, float bottom, float left, float right) {
margin_top_scale = top;
margin_bottom_scale = bottom;
margin_left_scale = left;
margin_right_scale = right;
}
float ScrollablePage::get_border_size() const {
return 0.004f * get_theme().window_height;
}
}
|
