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#include "number_control.h"
#include "sdlx/font.h"
#include "sdlx/surface.h"
#include "math/binary.h"
#include "resource_manager.h"
NumberControl::NumberControl(const std::string &font, const int min, const int max, const int step) :
min(min), max(max), step(step), value(min),
mouse_pressed(0), mouse_button(0), direction(false),
_number(ResourceManager->load_surface("menu/number.png")),
_font(ResourceManager->loadFont(font, true)),
r_up(0, 0, _number->get_width(), _number->get_height() / 2),
r_down(0, _number->get_height() / 2, _number->get_width(), _number->get_height() - _number->get_height() / 2) {}
const int NumberControl::get() const {
const_cast<NumberControl *>(this)->validate();
return value;
}
void NumberControl::validate() {
if (value < min)
value = min;
if (value > max)
value = max;
}
void NumberControl::set(const int v) {
if (v > max || v < min)
return;
value = min + (v - min) / step * step;
validate();
}
void NumberControl::render(sdlx::Surface &surface, const int x, const int y) const {
surface.blit(*_number, x, y);
_font->render(surface, x + _number->get_width(), y + _number->get_height() - _font->get_height(), mrt::format_string(min < 0?"%+d":"%d", value));
}
void NumberControl::get_size(int &w, int &h) const {
w = _font->render(NULL, 0, 0, mrt::format_string(min < 0?"%+d":"%d", value)) + _number->get_width();
h = math::max(_number->get_height(), _font->get_height());
}
void NumberControl::up(const int v) {
value += v * step;
validate();
}
void NumberControl::down(const int v) {
value -= v * step;
validate();
}
bool NumberControl::onKey(const SDL_keysym sym) {
switch(sym.sym) {
case SDLK_UP: up(); return true;
case SDLK_DOWN: down(); return true;
case SDLK_PAGEUP: up(10); return true;
case SDLK_PAGEDOWN: down(10); return true;
case SDLK_BACKSPACE: value /= 10;
return true;
default:
if (sym.unicode >= '0' && sym.unicode <= '9') {
value = sym.unicode - '0' + 10 * value;
if (value > max)
value = max;
return true;
}
return false;
}
}
bool NumberControl::onMouse(const int button, const bool pressed, const int x, const int y) {
if (r_up.in(x, y) && pressed) {
up(button == SDL_BUTTON_RIGHT? 10: 1);
mouse_button = button;
direction = true;
mouse_pressed = 0.0;
return true;
}
if (r_down.in(x, y) && pressed) {
down(button == SDL_BUTTON_RIGHT? 10: 1);
mouse_button = button;
direction = false;
mouse_pressed = 0.0;
return true;
}
if (!pressed) {
mouse_pressed = 0;
mouse_button = 0;
}
return false;
}
void NumberControl::tick(const float dt) {
Control::tick(dt);
if (mouse_button != 0) {
mouse_pressed += dt;
const float guard = 0.5f;
if (mouse_pressed < guard)
return;
const int speed = 20;
int n = (int)((mouse_pressed - guard) * speed); //10 - speed
mouse_pressed -= 1.0f * n / speed;
//don't blame me, i am an indian programmer :)))
if (direction) {
up(mouse_button == SDL_BUTTON_RIGHT? 10 * n: n);
} else {
down(mouse_button == SDL_BUTTON_RIGHT? 10 * n: n);
}
}
}
void NumberControl::setMinMax(const int m1, const int m2) {
LOG_DEBUG(("setting min: %d, max: %d", m1, m2));
min = m1;
max = m2;
validate();
}
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