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120 lines
2.8 KiB
C++
120 lines
2.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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* This code is based on the CRAB engine
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*
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* Copyright (c) Arvind Raja Yadav
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*
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* Licensed under MIT
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*
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*/
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#ifndef CRAB_PROGRESSBAR_H
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#define CRAB_PROGRESSBAR_H
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#include "crab/timer.h"
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#include "crab/ui/ClipButton.h"
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namespace Crab {
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namespace pyrodactyl {
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namespace ui {
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class ProgressBar : public ClipButton {
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// Whenever the progress bar value is changed, we display a glowing effect
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Timer _timer;
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// The total time for which the change effect must be shown
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uint32 _notifyRate;
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// Are we currently displaying the effect?
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bool _changed;
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// The effect also depends on if the change was positive or negative, so store the previous value
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int _old;
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// If we are drawing an animation, we need to smoothly transition from old->value
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// This stores the current progress
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int _cur;
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// The type of effect being drawn
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enum {
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NONE,
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INCREASE,
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DECREASE
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} _type;
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// We reuse the button images for the 2 types of effect
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ImageKey _inc, _dec;
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// Where to draw the effect
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Vector2i _offset;
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// The caption text changes depending on the value of the progress bar - we store all possible text here
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struct CaptionText {
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// The text to be drawn
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Common::String _text;
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// The above text is drawn only if the progress bar value is greater than this val
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int _val;
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CaptionText() {
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_val = 0;
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}
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CaptionText(rapidxml::xml_node<char> *node) {
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if (!loadNum(_val, "val", node))
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_val = 0;
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if (!loadStr(_text, "text", node))
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_text = "";
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}
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};
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Common::Array<CaptionText> _ct;
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public:
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ProgressBar() {
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_old = 0;
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_cur = 0;
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_inc = 0;
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_dec = 0;
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_notifyRate = 5;
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reset();
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}
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~ProgressBar() {}
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// Reset the effect
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void reset() {
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_changed = false;
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_type = NONE;
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}
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void load(rapidxml::xml_node<char> *node);
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void draw(const int &value, const int &max);
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void effect(const int &value, const int &prev);
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};
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} // End of namespace ui
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} // End of namespace pyrodactyl
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} // End of namespace Crab
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#endif // CRAB_PROGRESSBAR_H
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