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Move dropdown button text and icon code to dropdown button class

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dec05eba
2024-08-01 18:38:06 +02:00
parent 5d40409fc6
commit 6624db873c
13 changed files with 644 additions and 102 deletions
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181
src/gui/DropdownButton.cpp Normal file
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#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 = 10.0f;
static const float padding_bottom = 10.0f;
static const float padding_left = 10.0f;
static const float padding_right = 10.0f;
static const int border_size = 5;
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&) {
if(event.type == mgl::Event::MouseMoved) {
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
const bool inside = mgl::FloatRect(position + collision_margin, size - collision_margin).contains({ (float)event.mouse_move.x, (float)event.mouse_move.y });
if(mouse_inside && !inside) {
mouse_inside = false;
} else if(!mouse_inside && inside) {
mouse_inside = true;
}
} else if(event.type == mgl::Event::MouseButtonPressed) {
const bool clicked_inside = mouse_inside;
show_dropdown = clicked_inside;
if(on_click && mouse_inside_item >= 0 && mouse_inside_item < (int)items.size())
on_click(items[mouse_inside_item].id);
}
return true;
}
void DropdownButton::draw(mgl::Window &window) {
update_if_dirty();
if(show_dropdown) {
// Background
{
mgl::Rectangle rect(size);
rect.set_position(position);
rect.set_color(mgl::Color(0, 0, 0, 255));
window.draw(rect);
}
const mgl::Color border_color = gsr::get_theme().tint_color;
// Green line at top
{
mgl::Rectangle rect({ size.x, border_size });
rect.set_position(position);
rect.set_color(border_color);
window.draw(rect);
}
} else if(mouse_inside) {
// Background
{
mgl::Rectangle rect(size);
rect.set_position(position);
rect.set_color(mgl::Color(0, 0, 0, 255));
window.draw(rect);
}
const mgl::Color border_color = gsr::get_theme().tint_color;
draw_rectangle_outline(window, position, size, border_color, border_size);
} else {
// Background
mgl::Rectangle rect(size);
rect.set_position(position);
rect.set_color(mgl::Color(0, 0, 0, 220));
window.draw(rect);
}
const int text_margin = size.y * 0.085;
const auto title_bounds = title.get_bounds();
title.set_position((position + 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((position + 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((position + 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(position + 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;
if(mouse_inside_item == -1) {
const mgl::vec2f item_size(max_size.x, item_height);
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, gsr::get_theme().tint_color, 5);
mouse_inside_item = i;
}
}
item.text.set_position((item_position + mgl::vec2f(padding_left, item_height * 0.5f - text_bounds.size.y * 0.5f)).floor());
window.draw(item.text);
item_position.y += item_height;
}
}
}
void DropdownButton::add_item(const std::string &text, const std::string &id) {
items.push_back({mgl::Text(text, *title_font), 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);
dirty = true;
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;
max_size = { size.x, 0.0f };
for(Item &item : items) {
const mgl::vec2f bounds = item.text.get_bounds().size;
max_size.x = std::max(max_size.x, bounds.x + padding_left + padding_right);
max_size.y += bounds.y + padding_top + padding_bottom;
}
dirty = false;
}
mgl::vec2f DropdownButton::get_size() {
update_if_dirty();
return size;
}
}