/******************************************************************************
*
* 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
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* ColoredLabel.h
*
*****************************************************************************/
//2017/10/10 Updated to use create method.
#pragma once
#include <oz++/motif/Label.h>
#include <oz++/motif/RenderTable.h>
#include <oz++/motif/DC.h>
#include <oz++/motif/Color.h>
#include <oz++/motif/StrDef.h>
namespace OZ {
class ColoredLabel :public Label {
private:
static const int PIXMAP_WIDTH = 60;
static const int PIXMAP_HEIGHT = 20;
Pixmap pixmap;
public:
ColoredLabel(View* parent, const char* name, Args& args)
:Label()
,pixmap(None)
{
ColoredLabel::create(parent, name, args);
}
ColoredLabel()
:Label()
,pixmap(None)
{
}
void create(View* parent, const char* name, Args& args)
{
pixmap = None;
Label::create(parent, name,
args.set(XmNlabelType, XmPIXMAP_AND_STRING)
.set(XmNalignment, XmALIGNMENT_END)
.set(XmNpixmapPlacement, XmPIXMAP_LEFT)
.set(XmNtraversalOn, True)
.set(XmNhighlightOnEnter,True)
.set(XmNhighlightThickness, 1) );
Pixel pixel = (Pixel)0;
if (args.has(XmNpixel)) {
pixel = (Pixel)args.get(XmNpixel);
}
char value[128];
sprintf(value, "%06x", (unsigned int)pixel);
CompoundString colorName(value);
Display* display = getDisplay();
Screen* screen = XDefaultScreenOfDisplay(display);
int depth = DefaultDepthOfScreen(screen);
pixmap = XCreatePixmap(display,
RootWindowOfScreen(screen),
PIXMAP_WIDTH, PIXMAP_HEIGHT, depth);
if (pixmap == BadAlloc || pixmap == BadDrawable ||
pixmap == BadValue) {
throw IException("Failed to XCreatePixmap");
}
DC back(display, pixmap);
back.setForeground(pixel); //pixel may be 24bit rgb color
back.fillRectangle(0, 0, PIXMAP_WIDTH, PIXMAP_HEIGHT);
set(XmNlabelString, colorName);
set(XmNlabelPixmap, pixmap);
set(XmNwidth, PIXMAP_WIDTH*2);
set(XmNrecomputeSize, True);
}
~ColoredLabel()
{
if (pixmap != None) {
XFreePixmap(getDisplay(), pixmap);
pixmap = None;
}
}
void setColor(Pixel pixel)
{
char value[128];
sprintf(value, "%06x", (unsigned int)pixel);
CompoundString colorName(value);
DC back(getDisplay(), pixmap);
back.setForeground(pixel); //pixel may be 24bit rgb color
back.fillRectangle(0, 0, PIXMAP_WIDTH, PIXMAP_HEIGHT);
set(XmNlabelString, colorName);
set(XmNlabelPixmap, pixmap);
set(XmNrecomputeSize, True);
}
};
}