81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/****************************************************************************
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* Copyright (C) 2016 Maschell
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* based on GuiButton by dimok
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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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#include <gui/GuiController.h>
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#include <gui/GuiDragListener.h>
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/**
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* Constructor for the GuiDragListener class.
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*/
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GuiDragListener::GuiDragListener(float w, float h) {
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width = w;
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height = h;
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for (int32_t i = 0; i < iMaxGuiTriggers; i++) {
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trigger[i] = NULL;
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}
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}
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/**
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* Destructor for the GuiDragListener class.
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*/
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GuiDragListener::~GuiDragListener() {
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}
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void GuiDragListener::setState(int32_t i, int32_t c) {
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GuiElement::setState(i, c);
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}
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void GuiDragListener::setTrigger(GuiTrigger *t, int32_t idx) {
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if (idx >= 0 && idx < iMaxGuiTriggers) {
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trigger[idx] = t;
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} else {
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for (int32_t i = 0; i < iMaxGuiTriggers; i++) {
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if (!trigger[i]) {
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trigger[i] = t;
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break;
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}
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}
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}
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}
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void GuiDragListener::update(GuiController *c) {
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if (!c || isStateSet(STATE_DISABLED | STATE_HIDDEN | STATE_DISABLE_INPUT, c->chanIdx)) {
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return;
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} else if (parentElement && (parentElement->isStateSet(STATE_DISABLED | STATE_HIDDEN | STATE_DISABLE_INPUT, c->chanIdx))) {
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return;
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}
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for (int32_t i = 0; i < iMaxGuiTriggers; i++) {
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if (!trigger[i]) {
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continue;
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}
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bool isHeld = trigger[i]->held(c);
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if (isHeld && this->isInside(c->data.x, c->data.y)) {
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int32_t dx = c->data.x - c->lastData.x;
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int32_t dy = c->data.y - c->lastData.y;
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if (dx == 0 && dy == 0) { continue; }
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dragged(this, c, trigger[i], dx, dy);
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}
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}
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}
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