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#include "kbuttonbox.moc"
00049
#include <kglobalsettings.h>
00050
#include <kguiitem.h>
00051
#include <kpushbutton.h>
00052
#include <qptrlist.h>
00053
#include <assert.h>
00054
00055
#define minButtonWidth 50
00056
00057
class KButtonBox::Item {
00058
public:
00059
KPushButton *button;
00060
bool noexpand;
00061
unsigned short stretch;
00062
unsigned short actual_size;
00063 };
00064
00065
template class QPtrList<KButtonBox::Item>;
00066
00067
class KButtonBoxPrivate {
00068
public:
00069
unsigned short border;
00070
unsigned short autoborder;
00071
unsigned short orientation;
00072
bool activated;
00073
QPtrList<KButtonBox::Item> buttons;
00074 };
00075
00076 KButtonBox::KButtonBox(
QWidget *parent, Orientation _orientation,
00077
int border,
int autoborder)
00078 :
QWidget(parent)
00079 {
00080 data =
new KButtonBoxPrivate;
00081 assert(data != 0);
00082
00083 data->orientation = _orientation;
00084 data->border = border;
00085 data->autoborder = autoborder < 0 ? border : autoborder;
00086 data->buttons.setAutoDelete(
true);
00087 }
00088
00089 KButtonBox::~KButtonBox() {
00090
delete data;
00091 }
00092
00093 QPushButton *
KButtonBox::addButton(
const QString& text,
bool noexpand) {
00094 Item *item =
new Item;
00095
00096 item->button =
new KPushButton(text,
this);
00097 item->noexpand = noexpand;
00098 data->buttons.append(item);
00099 item->button->adjustSize();
00100
00101 this->updateGeometry();
00102
00103
return item->button;
00104 }
00105
00106 QPushButton *
KButtonBox::addButton(
const KGuiItem& guiitem,
bool noexpand) {
00107 Item *item =
new Item;
00108
00109 item->button =
new KPushButton( guiitem,
this);
00110 item->noexpand = noexpand;
00111 data->buttons.append(item);
00112 item->button->adjustSize();
00113
00114 this->updateGeometry();
00115
00116
return item->button;
00117 }
00118
00119
QPushButton *
00120 KButtonBox::addButton(
00121
const QString & text,
00122
QObject * receiver,
00123
const char * slot,
00124
bool noexpand
00125 )
00126 {
00127
QPushButton * pb =
addButton(text, noexpand);
00128
00129
if ((0 != receiver) && (0 != slot))
00130 QObject::connect(pb, SIGNAL(clicked()), receiver, slot);
00131
00132
return pb;
00133 }
00134
00135
QPushButton *
00136 KButtonBox::addButton(
00137
const KGuiItem& guiitem,
00138
QObject * receiver,
00139
const char * slot,
00140
bool noexpand
00141 )
00142 {
00143
QPushButton * pb =
addButton(guiitem, noexpand);
00144
00145
if ((0 != receiver) && (0 != slot))
00146 QObject::connect(pb, SIGNAL(clicked()), receiver, slot);
00147
00148
return pb;
00149 }
00150
00151 void KButtonBox::addStretch(
int scale) {
00152
if(scale > 0) {
00153 Item *item =
new Item;
00154 item->button = 0;
00155 item->noexpand =
false;
00156 item->stretch = scale;
00157 data->buttons.append(item);
00158 }
00159 }
00160
00161 void KButtonBox::layout() {
00162
00163
QSize bs =
bestButtonSize();
00164
00165
for(
unsigned int i = 0; i < data->buttons.count(); i++) {
00166 Item *item = data->buttons.at(i);
00167
QPushButton *b = item->button;
00168
if(b != 0) {
00169
if(item->noexpand)
00170 b->setFixedSize(buttonSizeHint(b));
00171
else
00172 b->setFixedSize(bs);
00173 }
00174 }
00175
00176 setMinimumSize(
sizeHint());
00177 }
00178
00179
void KButtonBox::placeButtons() {
00180
unsigned int i;
00181
00182
if(data->orientation == Horizontal) {
00183
00184
int fs = width() - 2 * data->border;
00185
int stretch = 0;
00186
for(i = 0; i < data->buttons.count(); i++) {
00187 Item *item = data->buttons.at(i);
00188
if(item->button != 0) {
00189 fs -= item->button->width();
00190
00191
00192
if(i != data->buttons.count() - 1)
00193 fs -= data->autoborder;
00194 }
else
00195 stretch +=item->stretch;
00196 }
00197
00198
00199
int x_pos = data->border;
00200
for(i = 0; i < data->buttons.count(); i++) {
00201 Item *item = data->buttons.at(i);
00202
if(item->button != 0) {
00203
QPushButton *b = item->button;
00204 b->move(x_pos, (height() - b->height()) / 2);
00205
00206 x_pos += b->width() + data->autoborder;
00207 }
else
00208 x_pos += (
int)((((
double)fs) * item->stretch) / stretch);
00209 }
00210 }
else {
00211
00212
int fs = height() - 2 * data->border;
00213
int stretch = 0;
00214
for(i = 0; i < data->buttons.count(); i++) {
00215 Item *item = data->buttons.at(i);
00216
if(item->button != 0)
00217 fs -= item->button->height() + data->autoborder;
00218
else
00219 stretch +=item->stretch;
00220 }
00221
00222
00223
int y_pos = data->border;
00224
for(i = 0; i < data->buttons.count(); i++) {
00225 Item *item = data->buttons.at(i);
00226
if(item->button != 0) {
00227
QPushButton *b = item->button;
00228 b->move((width() - b->width()) / 2, y_pos);
00229
00230 y_pos += b->height() + data->autoborder;
00231 }
else
00232 y_pos += (
int)((((
double)fs) * item->stretch) / stretch);
00233 }
00234 }
00235 }
00236
00237
void KButtonBox::resizeEvent(
QResizeEvent *) {
00238 placeButtons();
00239 }
00240
00241 QSize KButtonBox::bestButtonSize()
const {
00242
QSize s(0, 0);
00243
unsigned int i;
00244
00245
00246
for(i = 0; i < data->buttons.count(); i++) {
00247
KButtonBox *that = (
KButtonBox*)
this;
00248 Item *item = that->
data->buttons.at(i);
00249
QPushButton *b = item->button;
00250
00251
if(b != 0 && !item->noexpand) {
00252
QSize bs = buttonSizeHint(b);
00253
00254
if(bs.width() > s.width())
00255 s.setWidth(bs.width());
00256
if(bs.height() > s.height())
00257 s.setHeight(bs.height());
00258 }
00259 }
00260
00261
return s;
00262 }
00263
00264 QSize KButtonBox::sizeHint()
const {
00265
unsigned int i, dw;
00266
00267
if(data->buttons.count() == 0)
00268
return QSize(0, 0);
00269
else {
00270 dw = 2 * data->border;
00271
00272
QSize bs =
bestButtonSize();
00273
for(i = 0; i < data->buttons.count(); i++) {
00274
KButtonBox *that = (
KButtonBox*)
this;
00275 Item *item = that->
data->buttons.at(i);
00276
QPushButton *b = item->button;
00277
if(b != 0) {
00278
QSize s;
00279
if(item->noexpand)
00280 s = that->
buttonSizeHint(b);
00281
else
00282 s = bs;
00283
00284
if(data->orientation == Horizontal)
00285 dw += s.width();
00286
else
00287 dw += s.height();
00288
00289
if( i != data->buttons.count() - 1 )
00290 dw += data->autoborder;
00291 }
00292 }
00293
00294
if(data->orientation == Horizontal)
00295
return QSize(dw, bs.height() + 2 * data->border);
00296
else
00297
return QSize(bs.width() + 2 * data->border, dw);
00298 }
00299 }
00300
00301
QSizePolicy KButtonBox::sizePolicy()
const
00302
{
00303
return data->orientation == Horizontal?
00304
QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Fixed ) :
00305 QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Minimum );
00306 }
00307
00308
00309
00310
00311
00312
00313
QSize KButtonBox::buttonSizeHint(
QPushButton *b)
const {
00314
QSize s = b->sizeHint();
00315
QSize ms = b->minimumSize();
00316
if(s.width() < minButtonWidth)
00317 s.setWidth(minButtonWidth);
00318
00319
00320
if(ms.width() > s.width())
00321 s.setWidth(ms.width());
00322
if(ms.height() > s.height())
00323 s.setHeight(ms.height());
00324
00325
return s;
00326 }
00327
00328
void KButtonBox::virtual_hook(
int,
void* )
00329 { }
00330