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/* Copyright 2020 Stephen Branley
*
* This file is part of Help Hannah's Horse.
*
* Help Hannah's Horse is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Help Hannah's Horse is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Help Hannah's Horse. If not, see <https://www.gnu.org/licenses/>.
*/
#include "Menu.h"
/* ------ Menu ------ */
Menu::Menu(){
this->currentrow = 0;
}
void Menu::AddRow(MenuRow* row){
rows.push_back(row);
}
void Menu::Draw(SDL_Renderer* renderer){
SDL_Color selcol = {0x53, 0x9c, 0x9d};
SDL_Color col = {0, 0, 0};
SDL_Color* c;
// Draw a rectangular backround
SDL_Rect r = {150,100,500,320};
SDL_Rect rin = {155, 105, 490, 310};
SDL_SetRenderDrawColor(renderer, 0x53, 0x9c, 0x9d, 0x00);
SDL_RenderFillRect(renderer, &r);
SDL_SetRenderDrawColor(renderer, 0xff, 0xff, 0xff, 0x00);
SDL_RenderFillRect(renderer, &rin);
for(unsigned int i=0; i<this->rows.size(); i++){
MenuRow* row = rows[i];
if(i == this->currentrow){
c = &selcol;
} else {
c = &col;
}
Global::drawTextAt(renderer, row->items[row->currentitem]->name.c_str(), LEFTPOS, TOPOFFSET+(i*SPACING), 36, *c, false);
}
}
void Menu::MovePrevious(){
// Must do the comparison before decrement
// because unsigned ints CANNOT BE NEGATIVE!!! (muppet)
if(currentrow-- == 0){
currentrow = rows.size()-1;
}
};
void Menu::MoveNext(){
if(++currentrow == rows.size()){
currentrow = 0;
}
};
void Menu::MoveLeft(){
if(rows[currentrow]->items.size() > 1){
if(rows[currentrow]->currentitem-- == 0){
rows[currentrow]->currentitem = rows[currentrow]->items.size() - 1;
}
rows[currentrow]->items[rows[currentrow]->currentitem]->Select();
}
};
void Menu::MoveRight(){
if(rows[currentrow]->items.size() > 1){
if(++rows[currentrow]->currentitem == rows[currentrow]->items.size()){
rows[currentrow]->currentitem = 0;
}
rows[currentrow]->items[rows[currentrow]->currentitem]->Select();
}
};
void Menu::Select(){
rows[currentrow]->items[rows[currentrow]->currentitem]->Select();
};
Menu::~Menu(){
// Delete each MenuRow
for(unsigned int i = 0; i < this->rows.size(); i++){
delete(this->rows[i]);
}
}
/* ------ MenuRow ------ */
MenuRow::MenuRow(){
this->currentitem = 0;
};
void MenuRow::AddItem(std::string name, int tag){
MenuItem* m = new MenuItem(name, tag);
items.push_back(m);
};
MenuRow::~MenuRow(){
// Delete each MenuItem
for(unsigned int i = 0; i < this->items.size(); i++){
delete(this->items[i]);
}
}
/* ----- MenuItem ------ */
MenuItem::MenuItem(std::string name, int tag){
this->name = name;
this->tag = tag;
}
void MenuItem::Select(){
// Push an event onto the SDL_Event pump
// so that we can catch it in the main loop
// and perform the correct action accordingly
SDL_Event event;
SDL_zero(event);
event.type = Global::HannahEventType;
event.user.code = this->tag;
SDL_PushEvent(&event);
}
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