blame: source/code/DialogBox.cpp

/*

===========================================================================

blockattack - Block Attack - Rise of the Blocks

Copyright (C) 2005-2016 Poul Sander

This program 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 2 of the License, or

(at your option) any later version.

This program 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 this program.  If not, see http://www.gnu.org/licenses/

Source information and contacts persons can be found at

http://www.blockattack.net

===========================================================================

*/

#include "DialogBox.hpp"

#include "global.hpp"

#include "common.h"

#include "ReadKeyboard.h"

static void setButtonFont(const sago::SagoDataHolder* holder, sago::SagoTextField& field, const char* text){

	field.SetHolder(holder);

	field.SetFont("freeserif");

	field.SetColor({255,255,255,255});

	field.SetFontSize(24);

	field.SetOutline(1, {0,0,0,255});

	field.SetText(text);

}

static void DrawRect(SDL_Renderer* target, int topx, int topy, int height, int width, const std::string& name) {

	const int size = 32;

	SDL_Rect bounds_ns = {topx, topy+size, width, height-2*size};  //bounds for south

	SDL_Rect bounds_e = {topx, topy, width-size, height};

	const sago::SagoSprite& n = globalData.spriteHolder->GetSprite(name+"n");

	const sago::SagoSprite& s = globalData.spriteHolder->GetSprite(name+"s");

	const sago::SagoSprite& e = globalData.spriteHolder->GetSprite(name+"e");

	const sago::SagoSprite& w = globalData.spriteHolder->GetSprite(name+"w");

	const sago::SagoSprite& fill = globalData.spriteHolder->GetSprite(name+"fill");

	for (int i = 1; i < width/size; ++i) {

		n.DrawBounded(target, SDL_GetTicks(), topx+i*size, topy, bounds_e);

		for (int j = 1; j < height/size; ++j) {

			w.DrawBounded(target, SDL_GetTicks(), topx, topy+j*size, bounds_ns);

			fill.Draw(target, SDL_GetTicks(),topx+i*size, topy+j*size);

			e.DrawBounded(target, SDL_GetTicks(), topx+width-size, topy+j*size, bounds_ns);

		}

		s.DrawBounded(target, SDL_GetTicks(), topx+i*size, topy+height-size, bounds_e);

	}

	//Corners

	const sago::SagoSprite& nw = globalData.spriteHolder->GetSprite(name+"nw");

	const sago::SagoSprite& ne = globalData.spriteHolder->GetSprite(name+"ne");

	const sago::SagoSprite& se = globalData.spriteHolder->GetSprite(name+"se");

	const sago::SagoSprite& sw = globalData.spriteHolder->GetSprite(name+"sw");

	nw.Draw(target, SDL_GetTicks(), topx, topy);

	ne.Draw(target, SDL_GetTicks(), topx+width-size, topy);

	se.Draw(target, SDL_GetTicks(), topx+width-size, topy+height-size);

	sw.Draw(target, SDL_GetTicks(), topx, topy+height-size);

}

static void DrawRectWhite(SDL_Renderer* target, int topx, int topy, int height, int width) {

	std::string name = "ui_rect_white_";

	DrawRect(target, topx, topy, height, width, name);

}

static void DrawRectYellow(SDL_Renderer* target, int topx, int topy, int height, int width) {

	std::string name = "ui_rect_yellow_";

	DrawRect(target, topx, topy, height, width, name);

}

bool OpenDialogbox(int x, int y, std::string& name, const std::string& header) {

	DialogBox d(x, y, name, header);

	RunGameState(d);

	if (d.IsUpdated()) {

		name = d.GetName();

		return true;

	}

	return false;

}

DialogBox::DialogBox(int x, int y, const std::string& name, const std::string& header) : header(header) {

	this->x = x;

	this->y = y;

	SetName(name);

	setButtonFont(&globalData.spriteHolder->GetDataHolder(), headerLabel, header.c_str());

	setButtonFont(&globalData.spriteHolder->GetDataHolder(), enterLabel, _("Enter to accept"));

	setButtonFont(&globalData.spriteHolder->GetDataHolder(), cancelLabel, _("Esc to cancel"));

	sagoTextSetBlueFont(textField);

	sagoTextSetBlueFont(cursorLabel);

	cursorLabel.SetText("|");

}

DialogBox::~DialogBox() {

}

bool DialogBox::IsActive() {

	return isActive;

}

void DialogBox::Draw(SDL_Renderer* target) {

	DrawBackground(globalData.screen);

	this->x = globalData.xsize/2-300;

	this->y = globalData.ysize/2-100;

	DrawRectYellow(target, x, y, 200, 600);

	headerLabel.Draw(target, x+300, y+20, sago::SagoTextField::Alignment::center);

	enterLabel.Draw(target, x+150, y+140, sago::SagoTextField::Alignment::center);

	cancelLabel.Draw(target, x+450, y+140, sago::SagoTextField::Alignment::center);

	DrawRectWhite(target, x+26, y+64, 54, 600-2*26);

	textField.SetText(rk->GetString());

	textField.Draw(target, x+40, y+76);

	std::string strHolder = rk->GetString();

	strHolder.erase((int)rk->CharsBeforeCursor());

	if (((SDL_GetTicks()/600)%2)==1) {

		int width = 0;

		textField.GetRenderedSize( strHolder.c_str(), &width);

		width -= 2;

		cursorLabel.Draw(target, x+40+width,y+76);

	}

}

void DialogBox::ProcessInput(const SDL_Event& event, bool& processed) {

	if (event.type == SDL_TEXTINPUT) {

		if ((rk->ReadKey(event))&&(globalData.SoundEnabled)&&(!globalData.NoSound)) {

			Mix_PlayChannel(1, globalData.typingChunk.get(), 0);

		}

	}

	if ( event.type == SDL_KEYDOWN ) {

		if ( (event.key.keysym.sym == SDLK_RETURN)||(event.key.keysym.sym == SDLK_KP_ENTER) ) {

			name = rk->GetString();

			updated = true;

			isActive = false;

		}

		else if ( (event.key.keysym.sym == SDLK_ESCAPE) ) {

			isActive = false;

		}

		else {

			if ((rk->ReadKey(event))&&(globalData.SoundEnabled)&&(!globalData.NoSound)) {

				Mix_PlayChannel(1, globalData.typingChunk.get(), 0);

			}

		}

	}

	processed = true;

}

void DialogBox::SetName(const std::string& name) {

	this->name = name;

	rk = std::make_shared<ReadKeyboard>(name.c_str());

}

std::string DialogBox::GetName() const {

	return name;

}

bool DialogBox::IsUpdated() const {

	return updated;

}