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-rw-r--r--plugingui/listboxbasic.cc362
1 files changed, 0 insertions, 362 deletions
diff --git a/plugingui/listboxbasic.cc b/plugingui/listboxbasic.cc
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--- a/plugingui/listboxbasic.cc
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-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/***************************************************************************
- * listboxbasic.cc
- *
- * Thu Apr 4 20:28:10 CEST 2013
- * Copyright 2013 Bent Bisballe Nyeng
- * deva@aasimon.org
- ****************************************************************************/
-
-/*
- * This file is part of DrumGizmo.
- *
- * DrumGizmo is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * DrumGizmo 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with DrumGizmo; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-#include "listboxbasic.h"
-
-#include "painter.h"
-#include "font.h"
-
-namespace GUI {
-
-ListBoxBasic::ListBoxBasic(Widget *parent)
- : Widget(parent)
- , scroll(this)
-{
- scroll.move(0,0);
- scroll.resize(16, 100);
-
- CONNECT(&scroll, valueChangeNotifier,
- this, &ListBoxBasic::onScrollBarValueChange);
-
- padding = 4;
- btn_size = 18;
-
- selected = -1;
- marked = -1;
-}
-
-ListBoxBasic::~ListBoxBasic()
-{
-}
-
-void ListBoxBasic::setSelection(int index)
-{
- selected = index;
- if(marked == -1)
- {
- marked = index;
- }
- valueChangedNotifier();
-}
-
-void ListBoxBasic::addItem(const std::string& name, const std::string& value)
-{
- std::vector<ListBoxBasic::Item> items;
- ListBoxBasic::Item item;
- item.name = name;
- item.value = value;
- items.push_back(item);
- addItems(items);
-}
-
-void ListBoxBasic::addItems(const std::vector<ListBoxBasic::Item>& newItems)
-{
- for(auto& item : newItems)
- {
- items.push_back(item);
- }
-
- if(selected == -1)
- {
- //setSelection((int)items.size() - 1);
- setSelection(0);
- }
- redraw();
-}
-
-void ListBoxBasic::clear()
-{
- items.clear();
- setSelection(-1);
- marked = -1;
- scroll.setValue(0);
- redraw();
-}
-
-bool ListBoxBasic::selectItem(int index)
-{
- if(index < 0 || (index > (int)items.size() - 1))
- {
- return false;
- }
-
- setSelection(index);
- redraw();
-
- return true;
-}
-
-std::string ListBoxBasic::selectedName()
-{
- if(selected < 0 || (selected > (int)items.size() - 1))
- {
- return "";
- }
-
- return items[selected].name;
-}
-
-std::string ListBoxBasic::selectedValue()
-{
- if(selected < 0 || (selected > (int)items.size() - 1))
- {
- return "";
- }
-
- return items[selected].value;
-}
-
-void ListBoxBasic::clearSelectedValue()
-{
- setSelection(-1);
-}
-
-void ListBoxBasic::onScrollBarValueChange(int value)
-{
- redraw();
-}
-
-void ListBoxBasic::repaintEvent(RepaintEvent* repaintEvent)
-{
- Painter p(*this);
-
- int w = width();
- int h = height();
-
- if((w == 0) || (h == 0))
- {
- return;
- }
-
- p.drawImageStretched(0, 0, bg_img, w, h);
-
- p.setColour(Colour(183.0f/255.0f, 219.0f/255.0f, 255.0f/255.0f, 1.0f));
-
- int yoffset = padding / 2;
- int skip = scroll.value();
- int numitems = height() / (font.textHeight() + padding) + 1;
- for(int idx = skip; (idx < (int)items.size()) && (idx < (skip + numitems));
- idx++)
- {
- auto& item = items[idx];
- if(idx == selected)
- {
- p.setColour(Colour(183.0f/255.0f, 219.0f/255.0f, 255.0f/255.0f, 0.5f));
- p.drawFilledRectangle(0,
- yoffset - (padding / 2),
- width() - 1,
- yoffset + (font.textHeight() + 1));
- }
-
- if(idx == marked)
- {
- p.drawRectangle(0,
- yoffset - (padding / 2),
- width() - 1,
- yoffset + (font.textHeight() + 1));
- }
-
- p.setColour(Colour(183.0f/255.0f, 219.0f/255.0f, 255.0f/255.0f, 1.0f));
-
- p.drawText(2, yoffset + font.textHeight(), font, item.name);
- yoffset += font.textHeight() + padding;
- }
-
- scroll.setRange(numitems);
- scroll.setMaximum(items.size());
-}
-
-void ListBoxBasic::scrollEvent(ScrollEvent* scrollEvent)
-{
- // forward scroll event to scroll bar.
- scroll.scrollEvent(scrollEvent);
-}
-
-void ListBoxBasic::keyEvent(KeyEvent* keyEvent)
-{
- if(keyEvent->direction != Direction::down)
- {
- return;
- }
-
- switch(keyEvent->keycode) {
- case Key::up:
- if(marked == 0)
- {
- return;
- }
-
- marked--;
-
- if(marked < scroll.value())
- {
- scroll.setValue(marked);
- }
- break;
-
- case Key::down:
- {
- // Number of items that can be displayed at a time.
- int numitems = height() / (font.textHeight() + padding);
-
- if(marked == ((int)items.size() - 1))
- {
- return;
- }
-
- marked++;
-
- if(marked > (scroll.value() + numitems - 1))
- {
- scroll.setValue(marked - numitems + 1);
- }
- }
- break;
-
- case Key::home:
- marked = 0;
- if(marked < scroll.value())
- {
- scroll.setValue(marked);
- }
- break;
-
- case Key::end:
- {
- // Number of items that can be displayed at a time.
- int numitems = height() / (font.textHeight() + padding);
-
- marked = (int)items.size() - 1;
- if(marked > (scroll.value() + numitems - 1))
- {
- scroll.setValue(marked - numitems + 1);
- }
- }
- break;
-
- case Key::character:
- if(keyEvent->text == " ")
- {
- setSelection(marked);
- //selectionNotifier();
- }
- break;
-
- case Key::enter:
- setSelection(marked);
- selectionNotifier();
- break;
-
- default:
- break;
- }
-
- redraw();
-}
-
-void ListBoxBasic::buttonEvent(ButtonEvent* buttonEvent)
-{
- // Ignore everything except left clicks.
- if(buttonEvent->button != MouseButton::left)
- {
- return;
- }
-
- if((buttonEvent->x > ((int)width() - btn_size)) &&
- (buttonEvent->y < ((int)width() - 1)))
- {
- if(buttonEvent->y > 0 && buttonEvent->y < btn_size)
- {
- if(buttonEvent->direction == Direction::up)
- {
- return;
- }
- scroll.setValue(scroll.value() - 1);
- return;
- }
-
- if(buttonEvent->y > ((int)height() - btn_size) &&
- buttonEvent->y < ((int)height() - 1))
- {
- if(buttonEvent->direction == Direction::up)
- {
- return;
- }
- scroll.setValue(scroll.value() + 1);
- return;
- }
- }
-
- if(buttonEvent->direction == Direction::up)
- {
- int skip = scroll.value();
- size_t yoffset = padding / 2;
- for(int idx = skip; idx < (int)items.size(); idx++)
- {
- yoffset += font.textHeight() + padding;
- if(buttonEvent->y < (int)yoffset - (padding / 2))
- {
- setSelection(idx);
- marked = selected;
- clickNotifier();
- break;
- }
- }
-
- redraw();
- }
-
- if(buttonEvent->direction != Direction::up)
- {
- int skip = scroll.value();
- size_t yoffset = padding / 2;
- for(int idx = skip; idx < (int)items.size(); idx++)
- {
- yoffset += font.textHeight() + padding;
- if(buttonEvent->y < ((int)yoffset - (padding / 2)))
- {
- marked = idx;
- break;
- }
- }
-
- redraw();
- }
-
- if(buttonEvent->doubleClick)
- {
- selectionNotifier();
- }
-}
-
-void ListBoxBasic::resize(std::size_t width, std::size_t height)
-{
- Widget::resize(width, height);
- scroll.move(width - scroll.width(), 0);
- scroll.resize(scroll.width(), height);
-}
-
-} // GUI::
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