| OZ++ Class: PulldownColorListView |
/******************************************************************************
*
* Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
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*
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*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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*
* PulldownColorListView.h
*
*****************************************************************************/
//2017/10/15 Modified to use create method.
#pragma once
#include <oz++/motif/ApplicationView.h>
#include <oz++/motif/PopupView.h>
#include <oz++/motif/ColorListView.h>
#include <oz++/StrDef.h>
namespace OZ {
class PulldownColorListView :public PopupView {
private:
static const int WIDTH = 400;
static const int HEIGHT= 400;
SmartPtr<BulletinBoard> bboard;
SmartPtr<ColorListView> colorListView;
Pixel pixel;
ColoredLabel* notifier;
static const int COLOR_WIDTH = 160;
static const int COLOR_HEIGHT = 40;
private:
void structureNotify(Event& event)
{
XEvent* xe = event.getXEvent();
if (xe -> type == MapNotify || xe -> type == ConfigureNotify) {
layout();
}
}
void layout()
{
int margin = 2;
Dimension w = bboard -> width();
Dimension h = bboard -> height();
Dimension th = 40;
colorListView -> reshape(0, 0, w, h);
}
private:
void selected(Event& event)
{
View* sender = (View*)event.getSender();
sender -> processTraversal();
if (event.isEscapeKeyPressed()) {
ungrab();
popdown();
return;
}
if (event.isEnterKeyPressed() ||
event.isButtonPressed() ) {
pixel = (Pixel)event.getClientData();
printf("selected: %06lx\n", pixel);
if (notifier) {
notifier->setColor(pixel);
}
ungrab();
popdown();
// View* sender = (View*)event.getSender();
// sender -> processTraversal();
}
}
public:
PulldownColorListView(View* parent, const char* name, Args& args)
:PopupView()
{
PulldownColorListView::create(parent, name, args);
}
PulldownColorListView()
:PopupView()
{
}
void create(View* parent, const char* name, Args& args)
{
PopupView::create(parent,
name,
//transientShellWidgetClass,
xmDialogShellWidgetClass,
//args.set(XmNoverrideRedirect, True)
args.set(XmNtraversalOn, True)
.set(XmNmwmDecorations, 0)
.setIfNotSet(XmNwidth, WIDTH)
.setIfNotSet(XmNheight, HEIGHT) );
notifier = NULL;
int W = args.get(XmNwidth);
int H = args.get(XmNheight);
set(XmNminWidth, W);
set(XmNmaxWidth, W) ;
set(XmNminHeight,H);
set(XmNmaxHeight, H);
Color color(this);
Args ar;
ar.reset();
ar.set(XmNtopAttachment, XmATTACH_FORM);
ar.set(XmNbottomAttachment, XmATTACH_FORM);
ar.set(XmNrightAttachment, XmATTACH_FORM);
ar.set(XmNleftAttachment, XmATTACH_FORM);
// ar.set(XmNorientation, XmVERTICAL);
ar.set(XmNmarginHeight, 0);
ar.set(XmNmarginWidth, 0);
bboard = new BulletinBoard(this, "", ar);
ar.reset();
ar.set(XmNshowColorName, true);
ar.set(XmNhighlightThickness, 1);
colorListView = new ColorListView(bboard, "",ar);
colorListView ->addEventHandler(ButtonPressMask, this,
(Handler)&PulldownColorListView::selected, NULL);
colorListView ->addEventHandler(KeyPressMask, this,
(Handler)&PulldownColorListView::selected, NULL);
//Widget hscb = (Widget)colorListView->get(XmNhorizontalScrollBar);
//XtUnmanageChild(hscb);
addEventHandler(StructureNotifyMask, this,
(Handler)&PulldownColorListView::structureNotify, NULL);
}
~PulldownColorListView()
{
}
Pixel getPixel()
{
return pixel;
}
void setNotifier(ColoredLabel* colorLabel)
{
notifier = colorLabel;
}
void grab()
{
RowColumn* rowColumn = colorListView->getRowColumn();
rowColumn -> grabPointer(None);
}
void ungrab()
{
RowColumn* rowColumn = colorListView->getRowColumn();
rowColumn->ungrabPointer(CurrentTime);
}
/*
Boolean isDialog() const
{
return True;
}
*/
};
}