#include <allegro.h>
#include <cstring>

#include "InputCheckBox.h"

#include "constant.h"

using namespace std;

extern FONT *joystix;

bool InputCheckBox::getValue() {
     return value;
}
void InputCheckBox::setValue(bool desiredValue) {
     value = desiredValue;
}

bool InputCheckBox::acknowledgeKeyStroke(int keyStroke) {
     const bool toggle = (keyStroke >> 8) == KEY_SPACE;
     if (toggle)
        value = !value;
     return toggle;
}
bool InputCheckBox::acknowledgeMouse() {
     const int mousePosition = mouse_pos;
     const int mouseButtons = mouse_b;
     const bool toggle = (mouseButtons & 0x1) && !(oldMouseB & 0x1) &&
       within(mousePosition >> 16, mousePosition & 0xffff);
     if (toggle)
        value = !value;
     oldMouseB = mouseButtons;
     return toggle;
}

void InputCheckBox::shift(int xOffset, int yOffset) {
     x += xOffset;
     y += yOffset;
}
bool InputCheckBox::within(int xTarget, int yTarget) {
     return xTarget >= x && xTarget < x + checkBoxCaptionOffset +
       strlen(caption) * charWidth &&
            yTarget >= y && yTarget < y + charHeight;
}
void InputCheckBox::draw() {
     rect(canvas, x, y, x + checkBoxSize - 1, y + checkBoxSize - 1,
       active ? interactivityColor : 15);
     if (value) {
        line(canvas, x + 1, y + 1, x + checkBoxSize - 2, y + checkBoxSize - 2,
          15);
        line(canvas, x + checkBoxSize - 2, y + 1, x + 1, y + checkBoxSize - 2,
          15);
     }
     textout_ex(canvas, joystix, caption, x + checkBoxCaptionOffset, y, 15, -1);
}
void InputCheckBox::erase() {
     rectfill(canvas, x, y, x + checkBoxCaptionOffset + strlen(caption) *
       charWidth - 1, y + charHeight - 1, 0);
}