mirror of
https://github.com/Maschell/libgui.git
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87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
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/****************************************************************************
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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 "GuiDragListener.h"
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#include "GuiController.h"
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#include <utils/logger.h>
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/**
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* Constructor for the GuiDragListener class.
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*/
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GuiDragListener::GuiDragListener(f32 w,f32 h){
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width = w;
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height = h;
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for(s32 i = 0; i < iMaxGuiTriggers; i++)
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{
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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(s32 i, s32 c){
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GuiElement::setState(i,c);
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}
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void GuiDragListener::setTrigger(GuiTrigger * t, s32 idx){
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if(idx >= 0 && idx < iMaxGuiTriggers)
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{
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trigger[idx] = t;
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}
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else
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{
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for(s32 i = 0; i < iMaxGuiTriggers; i++)
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{
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if(!trigger[i])
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{
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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->chan))
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return;
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else if(parentElement && (parentElement->isStateSet(STATE_DISABLED|STATE_HIDDEN|STATE_DISABLE_INPUT, c->chan)))
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return;
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for(s32 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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s32 dx = c->data.x - c->lastData.x;
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s32 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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