| OZ++ Class: FTFontPreview |
/******************************************************************************
*
* Copyright (c) 2015 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;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* 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.
*
*
* FTFontPreview.h
*
*****************************************************************************/
#pragma once
#include <oz++/Pair.h>
#include <oz++/motif/PanedWindow.h>
#include <oz++/motif/LabeledFrame.h>
#include <oz++/motif/RowColumn.h>
#include <oz++/motif/ComboBox.h>
#include <oz++/motif/FontListView.h>
#include <oz++/motif/ToggleButton.h>
#include <fontconfig/fontconfig.h>
#include <oz++/xft/FTFont.h>
#include <oz++/xft/FTLabel.h>
#include <oz++/motif/XtSmartPtr.h>
namespace OZ {
class FTFontPreview :public PanedWindow {
private:
CharString fontName;
int fontSize;
int fontWeight;
PanedWindow* panedw;
LabeledFrame* fontNameListFrame;
FontListView* fontNameList;
RowColumn* rowColumn;
LabeledFrame* sizeComboBoxFrame;
LabeledFrame* weightComboBoxFrame;
ComboBox* sizeComboBox;
ComboBox* weightComboBox;
LabeledFrame* preview;
RowColumn* previewRowColumn;
ToggleButton* slant;
int slantOnOff;
FTFont* font;
FTLabel* label;
FTLabel* alphabet;
private:
void sizeChanged(Action& action)
{
XmComboBoxCallbackStruct* cbs =
(XmComboBoxCallbackStruct*)action.getCallData();
CompoundString cs(cbs -> item_or_text);
XtSmartPtr<char> item = cs.unparse();
printf("sizeChanged: item: %s\n", (const char*)item);
fontSize = atoi(item);
updateLabel();
}
void nameChanged(Action& action)
{
XmListCallbackStruct* cbs =
(XmListCallbackStruct*)action.getCallData();
CompoundString cs(cbs->item);
char* item = cs.unparse();
// The above item may contain two names separated by ',' delimiter.
char* cm = strrchr(item, ',');
if (cm) {
*cm = '\0';
}
printf("nameChanged: item [%s]\n", item);
fontName = item;
updateLabel();
XtFree(item);
}
void weightChanged(Action& action)
{
XmComboBoxCallbackStruct* cbs =
(XmComboBoxCallbackStruct*)action.getCallData();
CompoundString cs(cbs -> item_or_text);
XtSmartPtr<char> item = cs.unparse();
printf("waitChanged: item=%s\n", (const char*)item);
fontWeight = getWeight(item);
printf("fontWeight: %d\n", fontWeight);
updateLabel();
}
int getWeight(const char* name)
{
Pair<int, const char*> fontWeight[] =
{
{ FC_WEIGHT_THIN, "THIN"},
{ FC_WEIGHT_LIGHT, "LIGHT"},
{ FC_WEIGHT_BOOK, "BOOK"},
{ FC_WEIGHT_REGULAR,"REGULAR"},
{ FC_WEIGHT_MEDIUM, "MEDIUM"},
{ FC_WEIGHT_BOLD, "BOLD"},
{ FC_WEIGHT_BLACK, "BLACK"},
};
int weight = FC_WEIGHT_REGULAR;
for (int i = 0; i<SizeOf(fontWeight); i++) {
if (strcmp(fontWeight[i].second, name) == 0) {
weight = fontWeight[i].first;
break;
}
}
return weight;
};
void slantChanged(Action& action)
{
XmToggleButtonCallbackStruct* cbs =
(XmToggleButtonCallbackStruct*) action.getCallData();
printf("slan on/off %d\n", cbs->set);
slantOnOff = cbs -> set;
updateLabel();
}
void updateLabel()
{
if (font) {
delete font;
}
if (label) {
delete label;
}
Args ar;
ar.reset();
ar.set(XftNfamily, (const char*)fontName);
ar.set(XftNweight, fontWeight);
ar.set(XftNsize, fontSize);
ar.set(XftNslant, slantOnOff);
font = new FTFont(getDisplay(), ar);
char string[256];
sprintf(string, "ABCDEFGHIJ...xyz 1234567890 %s", (const char*)fontName);
ar.reset();
ar.set(XftNfont, (XtArgVal)font);
ar.set(XftNlabelString, string);
ar.set(XmNheight, 60);
label = new FTLabel(previewRowColumn, "", ar);
Color color(this);
label -> set(XmNbackground, color.whitePixel());
}
public:
FTFontPreview(View* parent, const char* name, Args& args)
:PanedWindow(parent, name, args.set(XmNorientation, XmVERTICAL)
.set(XmNsashWidth, 1)
.set(XmNsashHeight, 1) ),
panedw(NULL),
fontNameListFrame(NULL),
fontNameList(NULL),
rowColumn(NULL),
sizeComboBoxFrame(NULL),
weightComboBoxFrame(NULL),
sizeComboBox(NULL),
weightComboBox(NULL),
preview(NULL),
previewRowColumn(NULL),
slant(NULL),
slantOnOff(0),
font(NULL),
label(NULL)
{
const char* family = "Arial";
Args ar;
ar.set(XmNorientation, XmHORIZONTAL);
panedw = new PanedWindow(this, "paned", ar);
ar.reset();
fontNameListFrame =new LabeledFrame(panedw, "Family:", ar);
ar.reset();
ar.set(XmNvisibleItemCount, 20);
ar.set(XmNwidth, 200);
ar.set(XmNheight, 300);
fontNameList = new FontListView(fontNameListFrame, "list", ar);
fontNameList->listup(FontListView::NAME_ONLY);
fontNameList -> getList()
-> addCallback(XmNbrowseSelectionCallback, this,
(Callback)&FTFontPreview::nameChanged, NULL);
CompoundString cs(family);
fontNameList -> getList()
->selectItem(cs.get(), False);
fontName = family;
static const char* items[] = {"8", "10", "12",
"14", "16", "18", "20", "22", "24", "26", "28", "30", "32"};
int defaultPosition = 2;
fontSize = atoi(items[defaultPosition]);
ar.reset();
sizeComboBoxFrame = new LabeledFrame(panedw, "Size:", ar);
CompoundStringList csl(items, XtNumber(items));
ar.reset();
ar.set(XmNwidth, 100);
ar.set(XmNitems, csl);
ar.set(XmNvisibleItemCount, 5);
ar.set(XmNitemCount, XtNumber(items));
ar.set(XmNselectedPosition, defaultPosition);
sizeComboBox = new ComboBox(sizeComboBoxFrame, "", ar);
sizeComboBox -> addCallback(XmNselectionCallback, this,
(Callback)&FTFontPreview::sizeChanged, NULL);
ar.reset();
weightComboBoxFrame = new LabeledFrame(panedw, "Weight:", ar);
int defaultPos = 3;
static const char* weight[] = { "THIN", "LIGHT", "BOOK", "REGULAR",
"MEDIUM", "BOLD", "BLACK"};
fontWeight = FC_WEIGHT_REGULAR;
CompoundStringList wcsl(weight, XtNumber(weight));
ar.reset();
ar.set(XmNwidth, 100);
ar.set(XmNitems, wcsl);
ar.set(XmNvisibleItemCount, 5);
ar.set(XmNitemCount, XtNumber(weight));
ar.set(XmNselectedPosition, defaultPos);
weightComboBox = new ComboBox(weightComboBoxFrame, "", ar);
weightComboBox -> addCallback(XmNselectionCallback, this,
(Callback)&FTFontPreview::weightChanged, NULL);
CompoundString prev("Preview");
ar.reset();
ar.set(XmNheight, 60);
preview = new LabeledFrame(this, "Preview:", ar);
ar.reset();
previewRowColumn = new RowColumn(preview, "", ar);
CompoundString csslant("Slant");
ar.reset();
ar.set(XmNlabelString, csslant);
slant = new ToggleButton(previewRowColumn, "", ar);
slant -> addCallback(XmNvalueChangedCallback, this,
(Callback)&FTFontPreview::slantChanged, NULL);
updateLabel();
}
~FTFontPreview()
{
delete font;
delete label;
delete weightComboBox;
delete sizeComboBox;
delete fontNameList;
delete rowColumn;
delete fontNameListFrame;
delete sizeComboBoxFrame;
delete weightComboBoxFrame;
delete panedw;
}
public:
const char* getFontName()
{
return (const char*)fontName;
}
int getFontSize()
{
return fontSize;
}
int getFontWeight()
{
return fontWeight;
}
};
}