gambas-source-code/gb.qt4/src/CLabel.cpp
Benoît Minisini 240b416dd8 [DEVELOPMENT ENVIRONMENT]
* NEW: Use the new filter feature of the ButtonBox control.
* NEW: Use the internal ComponentChooser control to replace the previous
  component selection in the project property dialog.

[GB.FORM]
* NEW: ButtonBox.Filter is a new property to make it act like a filter box.
  The new Filter event is raised when filtering must be triggered.
* NEW: ButtonBox.FilterMenu is a new property that allows to define the
  popup menu associated with the filter icon.

[GB.GTK]
* NEW: PictureBox.Padding is a new property that defines the inner padding 
  around the displayed picture.

[GB.GTK3]
* NEW: PictureBox.Padding is a new property that defines the inner padding 
  around the displayed picture.

[GB.GUI.BASE]
* BUG: GridView: Remove "Collapse" from the property list.

[GB.MEMCACHED]
* BUG: Fix a typo in a Memcached constant name.

[GB.QT4]
* NEW: PictureBox.Padding is a new property that defines the inner padding 
  around the displayed picture.


git-svn-id: svn://localhost/gambas/trunk@6819 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2015-01-09 08:53:49 +00:00

445 lines
9.6 KiB
C++

/***************************************************************************
CLabel.cpp
(c) 2000-2013 Benoît Minisini <gambas@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#define __CLABEL_CPP
#include <qapplication.h>
#include <qlabel.h>
#include <qstyle.h>
#include <qbitmap.h>
#include <qpainter.h>
//Added by qt3to4:
#include <QPaintEvent>
#include <QResizeEvent>
#include <QPixmap>
#include <QStyleOption>
#include <QTextDocument>
#include "gambas.h"
#include "CConst.h"
#include "CColor.h"
#include "CLabel.h"
/*#define DEBUG_CBUTTON*/
/***************************************************************************/
BEGIN_METHOD(Label_new, GB_OBJECT parent)
QLabel *wid = new MyLabel(QCONTAINER(VARG(parent)));
wid->setTextFormat(Qt::PlainText);
wid->setAlignment(Qt::AlignLeft | Qt::AlignVCenter); // + Qt::WordBreak);
//THIS->widget.flag.fillBackground = TRUE;
CWIDGET_new(wid, (void *)_object);
END_METHOD
BEGIN_METHOD(TextLabel_new, GB_OBJECT parent)
MyLabel *wid = new MyLabel(QCONTAINER(VARG(parent)));
wid->setTextFormat(Qt::RichText);
wid->setAlignment(Qt::AlignLeft | Qt::AlignTop);
wid->setWordWrap(true);
//THIS->widget.flag.fillBackground = TRUE;
CWIDGET_new(wid, (void *)_object);
END_METHOD
BEGIN_PROPERTY(Label_Text)
if (READ_PROPERTY)
GB.ReturnNewZeroString(TO_UTF8(WIDGET->text()));
else
WIDGET->setText(QSTRING_PROP());
END_PROPERTY
BEGIN_PROPERTY(Label_Alignment)
if (READ_PROPERTY)
GB.ReturnInteger(CCONST_alignment(WIDGET->alignment() & ALIGN_MASK, ALIGN_NORMAL, false));
else
WIDGET->setAlignment((Qt::Alignment)CCONST_alignment(VPROP(GB_INTEGER), ALIGN_NORMAL, true));
END_PROPERTY
BEGIN_PROPERTY(Label_AutoResize)
if (READ_PROPERTY)
GB.ReturnInteger(WIDGET->getAutoResize());
else
WIDGET->setAutoResize(VPROP(GB_BOOLEAN));
END_PROPERTY
BEGIN_PROPERTY(Label_Padding)
if (READ_PROPERTY)
GB.ReturnInteger(WIDGET->margin());
else
{
WIDGET->setMargin(VPROP(GB_INTEGER));
WIDGET->calcMinimumHeight();
WIDGET->update();
}
END_PROPERTY
BEGIN_PROPERTY(TextLabel_Alignment)
if (READ_PROPERTY)
GB.ReturnInteger(CCONST_alignment(WIDGET->alignment() & ALIGN_MASK, ALIGN_NORMAL, false));
else
WIDGET->setAlignment((Qt::Alignment)CCONST_alignment(VPROP(GB_INTEGER), ALIGN_NORMAL, true));
END_PROPERTY
BEGIN_METHOD_VOID(Label_Adjust)
WIDGET->adjust();
END_METHOD
BEGIN_PROPERTY(Label_Transparent)
if (READ_PROPERTY)
GB.ReturnBoolean(THIS->transparent);
else
THIS->transparent = VPROP(GB_BOOLEAN);
END_PROPERTY
BEGIN_PROPERTY(Label_Wrap)
if (READ_PROPERTY)
GB.ReturnBoolean(WIDGET->wordWrap());
else
WIDGET->setWordWrap(VPROP(GB_BOOLEAN));
END_PROPERTY
BEGIN_PROPERTY(Label_Border)
if (READ_PROPERTY)
GB.ReturnInteger(WIDGET->border());
else
{
WIDGET->setBorder(VPROP(GB_INTEGER));
WIDGET->calcMinimumHeight();
}
END_PROPERTY
//---------------------------------------------------------------------------
GB_DESC CLabelDesc[] =
{
GB_DECLARE("Label", sizeof(CLABEL)), GB_INHERITS("Control"),
GB_METHOD("_new", NULL, Label_new, "(Parent)Container;"),
GB_PROPERTY("Text", "s", Label_Text),
GB_PROPERTY("Caption", "s", Label_Text),
GB_PROPERTY("Alignment", "i", Label_Alignment),
GB_PROPERTY("Border", "i", Label_Border),
GB_PROPERTY("AutoResize", "b", Label_AutoResize),
GB_PROPERTY("Padding", "i", Label_Padding),
GB_PROPERTY("Transparent", "b", Label_Transparent),
GB_METHOD("Adjust", NULL, Label_Adjust, NULL),
LABEL_DESCRIPTION,
GB_END_DECLARE
};
GB_DESC CTextLabelDesc[] =
{
GB_DECLARE("TextLabel", sizeof(CLABEL)), GB_INHERITS("Control"),
GB_METHOD("_new", NULL, TextLabel_new, "(Parent)Container;"),
GB_PROPERTY("Text", "s", Label_Text),
GB_PROPERTY("Caption", "s", Label_Text),
GB_PROPERTY("Alignment", "i", TextLabel_Alignment),
GB_PROPERTY("Border", "i", Label_Border),
GB_PROPERTY("AutoResize", "b", Label_AutoResize),
GB_PROPERTY("Padding", "i", Label_Padding),
GB_PROPERTY("Transparent", "b", Label_Transparent),
GB_PROPERTY("Wrap", "b", Label_Wrap),
GB_METHOD("Adjust", NULL, Label_Adjust, NULL),
TEXTLABEL_DESCRIPTION,
GB_END_DECLARE
};
/***************************************************************************/
BEGIN_METHOD(CSEPARATOR_new, GB_OBJECT parent)
MySeparator *wid = new MySeparator(QCONTAINER(VARG(parent)));
CWIDGET_new(wid, (void *)_object);
END_METHOD
GB_DESC CSeparatorDesc[] =
{
GB_DECLARE("Separator", sizeof(CSEPARATOR)), GB_INHERITS("Control"),
GB_METHOD("_new", NULL, CSEPARATOR_new, "(Parent)Container;"),
SEPARATOR_DESCRIPTION,
GB_END_DECLARE
};
/** MyLabel *****************************************************************/
MyLabel::MyLabel(QWidget *parent) : QLabel(parent)
{
autoResize = false;
locked = false;
_border = BORDER_NONE;
setIndent(0);
calcMinimumHeight();
}
void MyLabel::changeEvent(QEvent *e)
{
QLabel::changeEvent(e);
if (e->type() == QEvent::FontChange || e->type() == QEvent::StyleChange)
calcMinimumHeight();
}
void MyLabel::setText(const QString &text)
{
QLabel::setText(text);
calcMinimumHeight();
//qDebug("%s: %d", text.latin1(), isVisible());
}
void MyLabel::calcMinimumHeight(bool adjust)
{
void *_object = CWidget::getReal(this);
if (!THIS || (!autoResize && !adjust) || CWIDGET_test_flag(THIS, WF_DESIGN) || text().length() <= 0)
return;
//qDebug("calcMinimumHeight: %p %s", ob, ((CWIDGET *)ob)->name);
int w, h, nw, nh;
int f = contentsMargins().left() + margin();
QRect br;
if (textFormat() == Qt::RichText)
{
QTextDocument doc;
doc.setDefaultFont(font());
doc.setDocumentMargin(0);
doc.setHtml(text());
if (wordWrap())
{
w = width() - f * 2;
doc.setTextWidth(w);
if (adjust)
{
nw = doc.idealWidth();
doc.setTextWidth(nw);
nh = doc.size().height();
nw = doc.size().width();
}
else
{
nh = doc.size().height();
nw = w;
}
}
else
{
nh = doc.size().height();
nw = doc.size().width();
}
//nw += 2; // Why? Don't know...
//nh += 2;
}
else
{
QFontMetrics fm = fontMetrics();
br = fm.boundingRect(0, 0, QWIDGETSIZE_MAX, QWIDGETSIZE_MAX, alignment(), text());
nw = br.width();
nh = br.height();
}
w = nw + f * 2;
h = nh + f * 2;
int a = CCONST_alignment(WIDGET->alignment() & ALIGN_MASK, ALIGN_NORMAL, false);
if ((a == ALIGN_CENTER || a == ALIGN_LEFT || a == ALIGN_NORMAL || a == ALIGN_RIGHT) && nh < height())
nh = height();
locked = true;
CWIDGET_resize(THIS, w, h);
locked = false;
}
#if 0
void MyLabel::calcMinimumHeight(bool adjust)
{
void *ob = CWidget::get(this);
int w, h, nw, nh;
if (!adjust && (!autoResize || CWIDGET_test_flag(ob, WF_DESIGN) || text().length() <= 0))
{
setMinimumSize(0, 0);
setMaximumSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
}
else
{
int f = frameWidth();
QRect br;
if (f > 0 && f < 4)
f = 4;
if (textFormat() == Qt::RichText)
{
QTextDocument doc;
doc.setHtml(text());
doc.setDefaultFont(font());
w = width() - f * 2;
doc.setTextWidth(w);
nh = doc.size().height();
nw = adjust ? doc.idealWidth() : w;
}
else
{
QFontMetrics fm = fontMetrics();
br = fm.boundingRect(0, 0, QWIDGETSIZE_MAX, QWIDGETSIZE_MAX, alignment(), text());
nw = br.width();
nh = br.height();
if (alignment() & Qt::AlignVCenter && (nh + f * 2) < height())
nh = height() - f * 2;
}
w = nw + f * 2;
h = nh + f * 2;
//setMinimumSize(w, h);
//setMaximumSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
//if (textFormat() != Qt::RichText && h < height())
// h = height();
if (!noresize)
{
locked = true;
//qDebug("%p: resize(%d, %d)", this, w, h);
resize(w, h);
locked = false;
}
}
}
#endif
void MyLabel::resizeEvent(QResizeEvent *e)
{
QLabel::resizeEvent(e);
if (autoResize && !locked && textFormat() == Qt::RichText && e->oldSize().width() != e->size().width())
calcMinimumHeight();
}
void MyLabel::adjust()
{
calcMinimumHeight(true);
}
void MyLabel::paintEvent(QPaintEvent *e)
{
QPainter p(this);
CCONTAINER_draw_border(&p, _border, this);
QLabel::paintEvent(e);
}
/** class MySeparator ******************************************************/
MySeparator::MySeparator(QWidget *parent)
: QWidget(parent)
{
}
void MySeparator::paintEvent( QPaintEvent * )
{
QPainter p(this);
if (width() == 1 || height() == 1)
{
void *_object = CWidget::getReal(this);
uint color = CWIDGET_get_foreground(&THIS->widget);
p.setPen(color == COLOR_DEFAULT ? CCOLOR_light_foreground() : TO_QCOLOR(color));
if (width() >= height())
p.drawLine(0, height() / 2, width() - 1, height() / 2);
else
p.drawLine(width() / 2, 0, width() / 2, height() - 1);
}
else
{
QStyleOption opt;
opt.rect = rect();
opt.palette = palette();
opt.state |= QStyle::State_Enabled;
if (width() < height())
opt.state |= QStyle::State_Horizontal;
style()->drawPrimitive(QStyle::PE_IndicatorToolBarSeparator, &opt, &p);
}
}