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285 andreas 1 
/*
2 
 * Copyright (C) 2023 by Andreas Theofilu <andreas@theosys.at>
3 
 *
4 
 * This program is free software; you can redistribute it and/or modify
5 
 * it under the terms of the GNU General Public License as published by
6 
 * the Free Software Foundation; either version 3 of the License, or
7 
 * (at your option) any later version.
8 
 *
9 
 * This program is distributed in the hope that it will be useful,
10 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 
 * GNU General Public License for more details.
13 
 *
14 
 * You should have received a copy of the GNU General Public License
15 
 * along with this program; if not, write to the Free Software Foundation,
16 
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
17 
 */
18 
 
19 
#include <QWidget>
20 
#include <QScrollArea>
21 
#include <QPixmap>
22 
#include <QColor>
23 
#include <QPainter>
24 
#include <QVBoxLayout>
25 
#include <QHBoxLayout>
26 
#include <QLabel>
27 
#include <QPoint>
28 
#include <QMouseEvent>
29 
#include <QScrollBar>
289 andreas 30 
#include <QTimer>
285 andreas 31 
 
32 
#include "tqscrollarea.h"
33 
#include "terror.h"
34 
#include "tresources.h"
35 
 
36 
using std::vector;
37 
 
288 andreas 38 
/**
39 
 * @brief TQScrollArea::TQScrollArea
40 
 * Constructor for the class.
41 
 */
285 andreas 42 
TQScrollArea::TQScrollArea()
43 
{
44 
    DECL_TRACER("TQScrollArea::TQScrollArea()");
45 
}
46 
 
288 andreas 47 
/**
48 
 * @brief TQScrollArea::TQScrollArea
49 
 * @param parent    The parent widget
50 
 */
285 andreas 51 
TQScrollArea::TQScrollArea(QWidget* parent)
52 
    : mParent(parent)
53 
{
54 
    DECL_TRACER("TQScrollArea::TQScrollArea(QWidget* parent)");
55 
 
56 
    if (parent)
57 
    {
58 
        mWidth = parent->geometry().width();
59 
        mHeight = parent->geometry().height();
60 
    }
61 
 
62 
    init();
63 
}
64 
 
288 andreas 65 
/**
66 
 * @brief TQScrollArea::TQScrollArea
67 
 * @param parent        Parent widget
68 
 * @param w             Visible width in pixels
69 
 * @param h             Visible height in pixels
70 
 * @param vertical      TRUE: Scrolling in vertical direction
71 
 */
285 andreas 72 
TQScrollArea::TQScrollArea(QWidget* parent, int w, int h, bool vertical)
73 
    : mParent(parent),
74 
      mVertical(vertical)
75 
{
76 
    DECL_TRACER("TQScrollArea::TQScrollArea(QWidget* parent, int w, int h, bool vertical)");
77 
 
78 
    if (w > 0)
79 
        mWidth = w;
80 
 
81 
    if (h > 0)
82 
        mHeight = h;
83 
 
84 
    init();
85 
}
86 
 
288 andreas 87 
/**
88 
 * @brief TQScrollArea::TQScrollArea
89 
 * @param parent    Parent widget
90 
 * @param size      Size (width and height) of visible area
91 
 * @param vertical  TRUE: Scrolling in vertical direction
92 
 */
285 andreas 93 
TQScrollArea::TQScrollArea(QWidget* parent, const QSize& size, bool vertical)
94 
    : mParent(parent),
95 
      mVertical(vertical)
96 
{
97 
    DECL_TRACER("TQScrollArea::TQScrollArea(QWidget* parent, const QSize& size, bool vertical)");
98 
 
99 
    if (size.width() > 0)
100 
        mWidth = size.width();
101 
 
102 
    if (size.height() > 0)
103 
        mHeight = size.height();
104 
 
105 
    init();
106 
}
107 
 
108 
TQScrollArea::~TQScrollArea()
109 
{
110 
    DECL_TRACER("TQScrollArea::~TQScrollArea()");
288 andreas 111 
 
112 
    if (mMain)
113 
        mMain->close();
289 andreas 114 
 
115 
    if (mMousePressTimer)
116 
    {
117 
        if (mMousePressTimer->isActive())
118 
            mMousePressTimer->stop();
119 
 
296 andreas 120 
        disconnect(mMousePressTimer, &QTimer::timeout, this, &TQScrollArea::mouseTimerEvent);
289 andreas 121 
        delete mMousePressTimer;
122 
        mMousePressTimer = nullptr;
123 
    }
285 andreas 124 
}
125 
 
126 
void TQScrollArea::init()
127 
{
128 
    DECL_TRACER("TQScrollArea::init()");
129 
 
130 
    QScrollArea::setParent(mParent);
293 andreas 131 
    QScrollArea::setViewportMargins(0, 0, 0, 0);
132 
 
133 
    if (mWidth > 0 || mHeight > 0)
134 
        QScrollArea::setFixedSize(mWidth, mHeight);
135 
 
285 andreas 136 
    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
137 
    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
138 
    // Set a transparent background
286 andreas 139 
    QPalette palette(this->palette());
319 andreas 140 
    palette.setColor(QPalette::Window, Qt::transparent);
286 andreas 141 
    setPalette(palette);
285 andreas 142 
 
143 
    if (!mMain)
289 andreas 144 
        mMain = new QWidget(this);
285 andreas 145 
 
289 andreas 146 
    mMain->move(0, 0);
293 andreas 147 
    mMain->setContentsMargins(0, 0, 0, 0);
289 andreas 148 
 
285 andreas 149 
    if (mWidth && mHeight)
150 
        setFixedSize(mWidth, mHeight);
151 
 
152 
    setWidget(mMain);
153 
 
154 
    if (mVertical && !mVLayout)
295 andreas 155 
    {
285 andreas 156 
        mVLayout = new QVBoxLayout(mMain);
295 andreas 157 
        mVLayout->setSpacing(0);
158 
        mVLayout->setContentsMargins(0, 0, 0, 0);
159 
    }
288 andreas 160 
    else if (!mVertical && !mHLayout)
295 andreas 161 
    {
285 andreas 162 
        mHLayout = new QHBoxLayout(mMain);
295 andreas 163 
        mHLayout->setSpacing(0);
164 
        mHLayout->setContentsMargins(0, 0, 0, 0);
165 
    }
289 andreas 166 
 
295 andreas 167 
 
289 andreas 168 
    if (!mTotalWidth)
169 
        mTotalWidth = mWidth;
170 
 
171 
    if (!mTotalHeight)
172 
        mTotalHeight = mHeight;
285 andreas 173 
}
174 
 
288 andreas 175 
/**
176 
 * @brief TQScrollArea::setObjectName
177 
 * This sets the object name of the internal main QWidget.
178 
 *
179 
 * @param name  The name of the object.
180 
 */
285 andreas 181 
void TQScrollArea::setObjectName(const QString& name)
182 
{
183 
    DECL_TRACER("TQScrollArea::setObjectName(const QString& name)");
184 
 
185 
    if (mMain)
186 
        mMain->setObjectName(name);
187 
}
188 
 
288 andreas 189 
/**
190 
 * @brief TQScrollArea::setSize
191 
 * Sets the size of the visible area of the object.
192 
 *
193 
 * @param w     The width in pixels
194 
 * @param h     The height in pixels
195 
 */
285 andreas 196 
void TQScrollArea::setSize(int w, int h)
197 
{
198 
    DECL_TRACER("TQScrollArea::setSize(int w, int h)");
199 
 
200 
    if (w < 1 || h < 1)
201 
        return;
202 
 
203 
    mWidth = w;
204 
    mHeight = h;
288 andreas 205 
    setFixedSize(mWidth, mHeight);
285 andreas 206 
}
207 
 
288 andreas 208 
/**
209 
 * @brief TQScrollArea::setSize
210 
 * Sets the size of the visible area of the object.
211 
 *
212 
 * @param size  The size (width and height)
213 
 */
285 andreas 214 
void TQScrollArea::setSize(QSize size)
215 
{
216 
    DECL_TRACER("TQScrollArea::setSize(QSize size)");
217 
 
218 
    mWidth = size.width();
219 
    mHeight = size.height();
220 
    setFixedSize(mWidth, mHeight);
221 
}
222 
 
288 andreas 223 
/**
224 
 * @brief TQScrollArea::getSize
225 
 * Returns the size of the visible area.
226 
 *
227 
 * @return A QSize object containg the size in pixels.
228 
 */
285 andreas 229 
QSize TQScrollArea::getSize()
230 
{
231 
    DECL_TRACER("TQScrollArea::getSize()");
232 
 
233 
    return QSize(mWidth, mHeight);
234 
}
235 
 
318 andreas 236 
/**
237 
 * @brief TQScrollArea::setScrollbar
238 
 * Makes the scrollbar visible or invisible.
239 
 *
240 
 * @param sb    TRUE: The scrollbar is set to visible. It depends on the type
241 
 *              of scroll area. On vertical areas the bottom scrollbar may
242 
 *              become visible and on horizontal areas the right one.
243 
 */
300 andreas 244 
void TQScrollArea::setScrollbar(bool sb)
245 
{
246 
    DECL_TRACER("TQScrollArea::setScrollbar(bool sb)");
247 
 
248 
    if (sb == mScrollbar)
249 
        return;
250 
 
251 
    mScrollbar = sb;
252 
 
253 
    if (sb)
254 
    {
255 
        if (mVertical)
256 
            setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
257 
        else
258 
            setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
259 
    }
260 
    else
261 
    {
262 
        if (mVertical)
263 
            setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
264 
        else
265 
            setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
266 
    }
267 
}
268 
 
318 andreas 269 
/**
270 
 * @brief TQScrollArea::setScrollbarOffset
271 
 * Positions the scrollbar to the \b offset position. On a vertical scroll
272 
 * area the offset is alway the top visible pixel line and on horizontal
273 
 * scroll areas it is the left visible pixel.
274 
 *
275 
 * @param offset    The offset position. If this is less then 0 or grater then
276 
 *                  the whole size, the value is ignored.
277 
 */
300 andreas 278 
void TQScrollArea::setScrollbarOffset(int offset)
279 
{
280 
    DECL_TRACER("TQScrollArea::setScrollbarOffset(int offset)");
281 
 
282 
    if (!mScrollbar)
283 
        return;
284 
 
319 andreas 285 
    if (offset <= 0)
300 andreas 286 
        mScrollbarOffset = 0;
319 andreas 287 
    else
288 
        mScrollbarOffset = scale(offset);
300 andreas 289 
 
290 
    QScrollBar *sbar = nullptr;
291 
 
292 
    if (mVertical)
293 
        sbar = verticalScrollBar();
294 
    else
295 
        sbar = horizontalScrollBar();
296 
 
297 
    if (sbar)
319 andreas 298 
    {
299 
        if (mScrollbarOffset > (mVertical ? sbar->pos().y() : sbar->pos().x()))
300 
            mScrollbarOffset = (mVertical ? sbar->pos().y() : sbar->pos().x());
301 
 
300 andreas 302 
        sbar->setSliderPosition(mScrollbarOffset);
319 andreas 303 
    }
300 andreas 304 
}
305 
 
318 andreas 306 
/**
307 
 * @brief TQScrollArea::setAnchor
308 
 * Sets the anchor position. This can be left, center or right for horizontal
309 
 * scroll areas or top, center or bottom for vertical.
310 
 * The anchor position is the one the items scroll to if they should appear at
311 
 * this position. The center position is the default one.
312 
 *
313 
 * @param position  Defines the anchor position.
314 
 */
300 andreas 315 
void TQScrollArea::setAnchor(Button::SUBVIEW_POSITION_t position)
316 
{
317 
    DECL_TRACER("TQScrollArea::setAnchor(Button::SUBVIEW_POSITION_t position)");
318 
 
319 
    mPosition = position;
319 andreas 320 
 
321 
    if (!mWrapItems)
322 
    {
323 
        QWidget *w = mMain->childAt(mWidth / 2, mHeight / 2);
324 
 
325 
        if (w)
326 
            setPosition(w, 0);
327 
    }
328 
    else
329 
        setPosition();
300 andreas 330 
}
331 
 
318 andreas 332 
/**
333 
 * @brief TQScrollArea::show
334 
 * Shows all items in the scroll area. If some were invisible or not enabled,
335 
 * they are visible and enabled. Depending on the set anchor position the
336 
 * whole area is set to it. This means for example, that the center item is
337 
 * moved into the view area if the anchor position is set to SVP_CENTER.
338 
 */
297 andreas 339 
void TQScrollArea::show()
340 
{
341 
    DECL_TRACER("TQScrollArea::show()");
342 
 
298 andreas 343 
    if (!QScrollArea::isEnabled())
344 
        QScrollArea::setEnabled(true);
345 
 
297 andreas 346 
    QScrollArea::show();
347 
 
348 
    if (mMain)
298 andreas 349 
    {
350 
        if (!mMain->isEnabled())
351 
            mMain->setEnabled(true);
352 
 
353 
        if (!mMain->isVisible())
354 
            mMain->show();
355 
    }
302 andreas 356 
 
319 andreas 357 
    if (mWrapItems)
358 
        setPosition();
297 andreas 359 
}
360 
 
288 andreas 361 
/**
362 
 * @brief TQScrollArea::setTotalWidth
363 
 * Sets the total width of the scrolling area. This must be equal or grater
364 
 * then the width of the visible area.
365 
 *
366 
 * @param w The width in pixels.
367 
 */
285 andreas 368 
void TQScrollArea::setTotalWidth(int w)
369 
{
370 
    DECL_TRACER("TQScrollArea::setTotalWidth(int w)");
371 
 
372 
    if (!mMain || w < mWidth)
373 
        return;
374 
 
375 
    mTotalWidth = w;
288 andreas 376 
    mMain->setFixedWidth(mTotalWidth);
285 andreas 377 
}
378 
 
288 andreas 379 
/**
380 
 * @brief TQScrollArea::setTotalHeight
381 
 * Sets the total height of the scrolling area. This must be equal or grater
382 
 * then the height of the visible area.
383 
 *
384 
 * @param h  The height in pixels.
385 
 */
285 andreas 386 
void TQScrollArea::setTotalHeight(int h)
387 
{
388 
    DECL_TRACER("TQScrollArea::setTotalHeight(int h)");
389 
 
390 
    if (!mMain || h < mHeight)
391 
        return;
392 
 
393 
    mTotalHeight = h;
288 andreas 394 
    mMain->setFixedHeight(mTotalHeight);
285 andreas 395 
}
396 
 
288 andreas 397 
/**
398 
 * @brief TQScrollArea::setTotalSize
399 
 * Sets the total size of the scrolling area. The width and height must be
400 
 * equal or grater then the width and height of the visible area.
401 
 *
402 
 * @param w  The width in pixels.
403 
 * @param h  The height in pixels.
404 
 */
285 andreas 405 
void TQScrollArea::setTotalSize(int w, int h)
406 
{
407 
    DECL_TRACER("TQScrollArea::setTotalSize(int w, int h)");
408 
 
409 
    if (!mMain || w < mWidth || h < mHeight)
410 
        return;
411 
 
412 
    mTotalWidth = w;
413 
    mTotalHeight = h;
288 andreas 414 
    mMain->setFixedSize(mTotalWidth, mTotalHeight);
285 andreas 415 
}
416 
 
288 andreas 417 
/**
418 
 * @brief TQScrollArea::setTotalSize
419 
 * Sets the total size of the scrolling area in pixels.
420 
 *
421 
 * @param size  The total size of the scrolling area.
422 
 */
285 andreas 423 
void TQScrollArea::setTotalSize(QSize& size)
424 
{
425 
    DECL_TRACER("TQScrollArea::setTotalSize(QSize& size)");
426 
 
427 
    if (!mMain || size.width() < mWidth || size.height() < mHeight)
428 
        return;
429 
 
430 
    mTotalWidth = size.width();
431 
    mTotalHeight = size.height();
288 andreas 432 
    mMain->setFixedSize(mTotalWidth, mTotalHeight);
285 andreas 433 
}
434 
 
288 andreas 435 
/**
436 
 * @brief TQScrollArea::setBackgroundImage
437 
 * This sets the background image of the scroll area. If the pixmap is smaller
438 
 * then the total size, the image is painted in tiles.
439 
 *
440 
 * @param pix       The pixmap.
441 
 */
285 andreas 442 
void TQScrollArea::setBackgroundImage(const QPixmap& pix)
443 
{
444 
    DECL_TRACER("TQScrollArea::setBackgroundImage(const QPixmap& pix)");
445 
 
446 
    if (!mMain || pix.isNull())
447 
        return;
448 
 
449 
    QPalette palette(mMain->palette());
450 
    palette.setBrush(QPalette::Window, QBrush(pix));
451 
    mMain->setPalette(palette);
452 
}
453 
 
288 andreas 454 
/**
455 
 * @brief TQScrollArea::setBackGroundColor
456 
 * Sets the background color of the scroll area.
457 
 *
458 
 * @param color     The color
459 
 */
285 andreas 460 
void TQScrollArea::setBackGroundColor(QColor color)
461 
{
462 
    DECL_TRACER("TQScrollArea::setBackGroundColor(QColor color)");
463 
 
464 
    if (!mMain)
465 
        return;
466 
 
467 
    QPalette palette(mMain->palette());
468 
    palette.setColor(QPalette::Window, color);
469 
    mMain->setPalette(palette);
470 
}
471 
 
288 andreas 472 
/**
473 
 * @brief TQScrollArea::setSpace
474 
 * Sets the space between the items in percent. The pixels are calculated
475 
 * from the total size of the scroll area. Then the spce is inserted.
476 
 *
477 
 * @param s     A value between 0 and 99. 0 Removes the space.
478 
 */
285 andreas 479 
void TQScrollArea::setSpace(int s)
480 
{
481 
    DECL_TRACER("TQScrollArea::setSpace(double s)");
482 
 
318 andreas 483 
    if (s < 0 || s > 99 || mSpace == s)
285 andreas 484 
        return;
485 
 
486 
    mSpace = s;
318 andreas 487 
    refresh();
285 andreas 488 
}
489 
 
288 andreas 490 
/**
491 
 * @brief TQScrollArea::addItem
492 
 * Adds one item to the list of items.
493 
 *
494 
 * @param item  Item to add
495 
 */
285 andreas 496 
void TQScrollArea::addItem(PGSUBVIEWITEM_T& item)
497 
{
498 
    DECL_TRACER("TQScrollArea::addItem(PGSUBVIEWITEM_T& item)");
499 
 
319 andreas 500 
    _clearAllItems();
501 
    resetSlider();
318 andreas 502 
    mItems.push_back(subViewItemToItem(item));
503 
    _addItems(mItems, true);
288 andreas 504 
}
285 andreas 505 
 
318 andreas 506 
/**
507 
 * @brief TQScrollArea::addItems
508 
 * Adds one or more items to the scroll area and sizes the scroll area large
509 
 * enough to hold all items. It calculates also the space between the items.
510 
 * If there were already some items visible, they are deleted first. Then they
511 
 * are displayed again.
512 
 *
513 
 * @param items     A list of items to be displayed
514 
 * @param intern    TRUE: The list of items is not stored internal.
515 
 */
288 andreas 516 
void TQScrollArea::addItems(std::vector<PGSUBVIEWITEM_T>& items)
517 
{
318 andreas 518 
    DECL_TRACER("TQScrollArea::addItems(std::vector<PGSUBVIEWITEM_T>& items, bool intern)");
285 andreas 519 
 
288 andreas 520 
    if (items.empty())
521 
        return;
285 andreas 522 
 
319 andreas 523 
    _clearAllItems();
524 
    resetSlider();
525 
    mItems.clear();
285 andreas 526 
 
318 andreas 527 
    vector<PGSUBVIEWITEM_T>::iterator iter;
285 andreas 528 
 
318 andreas 529 
    for (iter = items.begin(); iter != items.end(); ++iter)
530 
        mItems.push_back(subViewItemToItem(*iter));
531 
 
532 
    _addItems(mItems, true);
533 
}
534 
 
535 
void TQScrollArea::_addItems(std::vector<_ITEMS_T>& items, bool intern)
536 
{
537 
    DECL_TRACER("_addItems(std::vector<ITEMS_T>& items, bool intern)");
538 
 
319 andreas 539 
    mWrapItems = items[0].wrap;     // Endless scroll
318 andreas 540 
 
541 
    if (!intern)
319 andreas 542 
        mItems = items;             // Store the items to the internal vector array
318 andreas 543 
 
288 andreas 544 
    if (mVertical)
545 
        mTotalHeight = 0;
285 andreas 546 
    else
288 andreas 547 
        mTotalWidth = 0;
285 andreas 548 
 
319 andreas 549 
    int total = 0;                  // The total width or height
318 andreas 550 
    vector<_ITEMS_T>::iterator iter;
285 andreas 551 
    // First calculate the total width and height if it was not set by a previous call
552 
    if ((mTotalWidth <= 0 && !mVertical) || (mTotalHeight <= 0 && mVertical))
553 
    {
554 
        if (mTotalWidth <= 0)
555 
            mTotalWidth = mWidth;
556 
 
557 
        if (mTotalHeight <= 0)
558 
            mTotalHeight = mHeight;
559 
 
560 
        if (!mVertical || mTotalWidth <= 0)
561 
            mTotalWidth = 0;
562 
 
563 
        if (mVertical || mTotalHeight <= 0)
564 
            mTotalHeight = 0;
565 
 
289 andreas 566 
        int num = 0;
567 
 
285 andreas 568 
        for (iter = items.begin(); iter != items.end(); ++iter)
569 
        {
570 
            if (!mVertical)
571 
                mTotalWidth += iter->width;
572 
            else
573 
                mTotalHeight += iter->height;
289 andreas 574 
 
575 
            num++;
285 andreas 576 
        }
577 
 
578 
        if (mVertical)
288 andreas 579 
        {
580 
            mTotalHeight = scale(mTotalHeight);
285 andreas 581 
            total = mTotalHeight;
288 andreas 582 
        }
285 andreas 583 
        else
288 andreas 584 
        {
585 
            mTotalWidth = scale(mTotalWidth);
285 andreas 586 
            total = mTotalWidth;
288 andreas 587 
        }
285 andreas 588 
 
288 andreas 589 
        if (mMain)
590 
            mMain->setFixedSize(mTotalWidth, mTotalHeight);
285 andreas 591 
    }
592 
 
289 andreas 593 
    MSG_DEBUG("Number of items: " << items.size());
594 
 
285 andreas 595 
    if (mSpace > 0)
596 
    {
597 
        int space = (int)((double)total / 100.0 * (double)mSpace);
598 
 
288 andreas 599 
        if (space > 0 && mVertical && mVLayout && mMain)
600 
        {
289 andreas 601 
            int newHeight = space + mTotalHeight;
602 
            mMain->setFixedHeight(newHeight);
603 
            MSG_DEBUG("Calculated space: " << space << " (" << mSpace << "%). Total height: " << newHeight << ", Old total height: " << mTotalHeight);
604 
            mTotalHeight = newHeight;
288 andreas 605 
        }
606 
        else if (space > 0 && !mVertical && mHLayout && mMain)
607 
        {
289 andreas 608 
            int newWidth = space + mTotalWidth;
609 
            mMain->setFixedWidth(newWidth);
610 
            MSG_DEBUG("Calculated space: " << space << " (" << mSpace << "%). Total width: " << newWidth << ", Old total width: " << mTotalWidth);
611 
            mTotalWidth = newWidth;
288 andreas 612 
        }
285 andreas 613 
    }
614 
 
615 
    for (iter = items.begin(); iter != items.end(); ++iter)
616 
    {
287 andreas 617 
        int iWidth = scale(iter->width);
618 
        int iHeight = scale(iter->height);
289 andreas 619 
        QWidget *item = new QWidget;
285 andreas 620 
        item->setObjectName(QString("Item_%1").arg(handleToString(iter->handle).c_str()));
287 andreas 621 
        item->setFixedSize(iWidth, iHeight);
285 andreas 622 
        item->setAutoFillBackground(true);
289 andreas 623 
        QColor bgcolor(qRgba(iter->bgcolor.red, iter->bgcolor.green, iter->bgcolor.blue, iter->bgcolor.alpha));
285 andreas 624 
 
625 
        if (iter->image.getSize() > 0)
626 
        {
287 andreas 627 
            QPixmap pixmap(iWidth, iHeight);
289 andreas 628 
 
629 
            if (iter->bgcolor.alpha == 0)
630 
                pixmap.fill(Qt::transparent);
631 
            else
632 
                pixmap.fill(bgcolor);
633 
 
287 andreas 634 
            QImage img(iter->image.getBitmap(), iter->image.getWidth(), iter->image.getHeight(), iter->image.getPixline(), QImage::Format_ARGB32);  // Original size
285 andreas 635 
            bool ret = false;
636 
 
287 andreas 637 
            if (mScaleFactor != 1.0)
638 
            {
289 andreas 639 
                QSize size(iWidth, iHeight);
640 
                ret = pixmap.convertFromImage(img.scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));   // Scaled size
287 andreas 641 
            }
642 
            else
643 
                ret = pixmap.convertFromImage(img);
285 andreas 644 
 
645 
            if (!ret || pixmap.isNull())
646 
            {
647 
                MSG_ERROR("Unable to create a pixmap out of an image!");
648 
                return;
649 
            }
650 
 
651 
            QPalette palette(item->palette());
652 
            palette.setBrush(QPalette::Window, QBrush(pixmap));
653 
            item->setPalette(palette);
654 
        }
655 
        else
289 andreas 656 
        {
657 
            QPalette palette(item->palette());
658 
 
659 
            if (iter->bgcolor.alpha == 0)
660 
                palette.setColor(QPalette::Window, Qt::transparent);
661 
            else
662 
                palette.setColor(QPalette::Window, bgcolor);
663 
 
664 
            item->setPalette(palette);
665 
        }
666 
 
285 andreas 667 
        // Add the buttons to the item widget
668 
        if (iter->atoms.empty())
669 
        {
670 
            delete item;
671 
            continue;
672 
        }
673 
 
674 
        vector<PGSUBVIEWATOM_T>::iterator itAtom;
675 
 
676 
        for (itAtom = iter->atoms.begin(); itAtom != iter->atoms.end(); ++itAtom)
677 
        {
287 andreas 678 
            int scaWidth = scale(itAtom->width);
679 
            int scaHeight = scale(itAtom->height);
285 andreas 680 
 
681 
            QLabel *label = new QLabel(item);
287 andreas 682 
            label->move(scale(itAtom->left), scale(itAtom->top));
285 andreas 683 
            label->setFixedSize(scaWidth, scaHeight);
684 
            label->setObjectName(QString("Label_%1").arg(handleToString(itAtom->handle).c_str()));
300 andreas 685 
            setAtom(*itAtom, label);
686 
        }
285 andreas 687 
 
318 andreas 688 
        iter->item = item;
289 andreas 689 
 
300 andreas 690 
        if (mVertical && mVLayout)
691 
            mVLayout->addWidget(item);
692 
        else if (!mVertical && mHLayout)
693 
            mHLayout->addWidget(item);
694 
        else
695 
        {
696 
            MSG_ERROR("Layout not initialized!");
697 
        }
698 
    }
319 andreas 699 
 
700 
    if (mOldActPosition > 0)
701 
    {
702 
        MSG_DEBUG("Setting position to old value " << mOldActPosition);
703 
        resetSlider(mOldActPosition);
704 
        mOldActPosition = 0;
705 
    }
300 andreas 706 
}
289 andreas 707 
 
318 andreas 708 
/**
709 
 * @brief TQScrollArea::updateItem
710 
 * Updates one item.
711 
 *
712 
 * @param item  The item to update.
713 
 */
300 andreas 714 
void TQScrollArea::updateItem(PGSUBVIEWITEM_T& item)
715 
{
716 
    DECL_TRACER("TQScrollArea::updateItem(PGSUBVIEWITEM_T& item)");
285 andreas 717 
 
300 andreas 718 
    if (mItems.empty())
719 
        return;
285 andreas 720 
 
318 andreas 721 
    vector<_ITEMS_T>::iterator iter;
289 andreas 722 
 
300 andreas 723 
    for (iter = mItems.begin(); iter != mItems.end(); ++iter)
724 
    {
725 
        if (iter->handle == item.handle)
726 
        {
727 
            iter->bgcolor = item.bgcolor;
728 
            iter->bounding = item.bounding;
729 
            iter->image = item.image;
318 andreas 730 
            iter->atoms = item.atoms;
300 andreas 731 
 
318 andreas 732 
            if (!iter->atoms.empty())
289 andreas 733 
            {
318 andreas 734 
                QObjectList list = iter->item->children();
735 
                QList<QObject *>::Iterator obit;
736 
                vector<PGSUBVIEWATOM_T>::iterator atit;
285 andreas 737 
 
318 andreas 738 
                for (atit = iter->atoms.begin(); atit != iter->atoms.end(); ++atit)
300 andreas 739 
                {
318 andreas 740 
                    for (obit = list.begin(); obit != list.end(); ++obit)
741 
                    {
742 
                        QObject *o = *obit;
743 
                        QString obname = o->objectName();
744 
                        ulong atHandle = extractHandle(obname.toStdString());
289 andreas 745 
 
318 andreas 746 
                        if (atit->handle == atHandle && obname.startsWith("Label_"))
300 andreas 747 
                        {
318 andreas 748 
                            QLabel *lbl = dynamic_cast<QLabel *>(o);
749 
                            setAtom(*atit, lbl);
750 
                            break;
300 andreas 751 
                        }
752 
                    }
753 
                }
319 andreas 754 
 
755 
                iter->item->show();
289 andreas 756 
            }
300 andreas 757 
 
758 
            break;
285 andreas 759 
        }
300 andreas 760 
    }
761 
}
285 andreas 762 
 
300 andreas 763 
void TQScrollArea::showItem(ulong handle, int position)
764 
{
765 
    DECL_TRACER("TQScrollArea::showItem(ulong handle, int position)");
288 andreas 766 
 
318 andreas 767 
    if (mItems.empty())
301 andreas 768 
        return;
769 
 
318 andreas 770 
    vector<_ITEMS_T>::iterator iter;
300 andreas 771 
 
318 andreas 772 
    for (iter = mItems.begin(); iter != mItems.end(); ++iter)
300 andreas 773 
    {
318 andreas 774 
        if (!iter->item)
775 
            continue;
776 
 
319 andreas 777 
        if (iter->handle == handle)
285 andreas 778 
        {
318 andreas 779 
            if (!iter->item->isVisible())
780 
                iter->item->setVisible(true);
300 andreas 781 
 
318 andreas 782 
            setPosition(iter->item, position);
783 
            break;
784 
        }
785 
    }
786 
}
301 andreas 787 
 
318 andreas 788 
void TQScrollArea::toggleItem(ulong handle, int position)
789 
{
790 
    DECL_TRACER("TQScrollArea::toggleItem(ulong handle, int position)");
302 andreas 791 
 
318 andreas 792 
    if (mItems.empty())
793 
        return;
302 andreas 794 
 
318 andreas 795 
    vector<_ITEMS_T>::iterator iter;
302 andreas 796 
 
318 andreas 797 
    for (iter = mItems.begin(); iter != mItems.end(); ++iter)
798 
    {
799 
        if (iter->handle == handle && iter->item)
800 
        {
801 
            if (iter->item->isVisible())
802 
                iter->item->setVisible(false);
803 
            else
319 andreas 804 
            {
318 andreas 805 
                iter->item->setVisible(true);
319 andreas 806 
                setPosition(iter->item, position);
807 
            }
302 andreas 808 
 
319 andreas 809 
            break;
318 andreas 810 
        }
811 
    }
812 
}
302 andreas 813 
 
318 andreas 814 
void TQScrollArea::hideAllItems()
815 
{
816 
    DECL_TRACER("TQScrollArea::hideAllItems()");
302 andreas 817 
 
318 andreas 818 
    if (mItems.empty())
819 
        return;
300 andreas 820 
 
319 andreas 821 
    resetSlider();
318 andreas 822 
    vector<_ITEMS_T>::iterator iter;
823 
 
824 
    for (iter = mItems.begin(); iter != mItems.end(); ++iter)
825 
    {
826 
        if (iter->item)
827 
            iter->item->setVisible(false);
828 
    }
829 
}
830 
 
831 
void TQScrollArea::hideItem(ulong handle)
832 
{
833 
    DECL_TRACER("TQScrollArea::hideItem(ulong handle)");
834 
 
835 
    if (mItems.empty())
836 
        return;
837 
 
838 
    vector<_ITEMS_T>::iterator iter;
839 
 
840 
    for (iter = mItems.begin(); iter != mItems.end(); ++iter)
841 
    {
842 
        if (iter->handle == handle && iter->item)
843 
        {
844 
            iter->item->setVisible(false);
845 
            return;
285 andreas 846 
        }
847 
    }
848 
}
849 
 
287 andreas 850 
int TQScrollArea::scale(int value)
851 
{
852 
    DECL_TRACER("TQScrollArea::scale(int value)");
853 
 
854 
    if (mScaleFactor != 1.0)
855 
        return (int)((double)value * mScaleFactor);
856 
 
857 
    return value;
858 
}
859 
 
860 
void TQScrollArea::setScaleFactor(const double& factor)
861 
{
862 
    DECL_TRACER("TQScrollArea::setScaleFactor(const double& factor)");
863 
 
864 
    if (factor > 0.0 && factor != 1.0)
865 
        mScaleFactor = factor;
866 
}
867 
 
300 andreas 868 
void TQScrollArea::setAtom(PGSUBVIEWATOM_T& atom, QLabel *label)
869 
{
870 
    DECL_TRACER("TQScrollArea::setAtom(PGSUBVIEWATOM_T& atom, QLabel *label)");
871 
 
872 
    if (!label)
873 
        return;
874 
 
875 
    int scaWidth = scale(atom.width);
876 
    int scaHeight = scale(atom.height);
877 
    QColor bg(qRgba(atom.bgcolor.red, atom.bgcolor.green, atom.bgcolor.blue, atom.bgcolor.alpha));
878 
 
879 
    if (atom.image.isValid())
880 
    {
881 
        QPixmap pix(scaWidth, scaHeight);
882 
 
883 
        if (atom.bgcolor.alpha == 0)
884 
            pix.fill(Qt::transparent);
885 
        else
886 
            pix.fill(bg);
887 
 
888 
        QImage img(atom.image.getBitmap(), atom.image.getWidth(), atom.image.getHeight(), atom.image.getPixline(), QImage::Format_ARGB32);
889 
        bool ret = false;
890 
 
891 
        if (mScaleFactor != 1.0)
892 
        {
893 
            QSize size(scaWidth, scaHeight);
894 
            ret = pix.convertFromImage(img.scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation)); // Scaled size
895 
        }
896 
        else
897 
            ret = pix.convertFromImage(img);
898 
 
899 
        if (!ret || pix.isNull())
900 
        {
901 
            MSG_ERROR("Unable to create a pixmap out of an image!");
902 
            return;
903 
        }
904 
 
905 
        label->setPixmap(pix);
906 
    }
907 
    else
908 
    {
909 
        QPalette palette(label->palette());
910 
 
911 
        if (atom.bgcolor.alpha == 0)
912 
            palette.setColor(QPalette::Window, Qt::transparent);
913 
        else
914 
            palette.setColor(QPalette::Window, bg);
915 
 
916 
        label->setPalette(palette);
917 
    }
318 andreas 918 
}
300 andreas 919 
 
318 andreas 920 
void TQScrollArea::refresh()
921 
{
922 
    DECL_TRACER("TQScrollArea::refresh()");
923 
 
924 
    if (!mMain || mItems.empty())
925 
        return;
926 
 
319 andreas 927 
    resetSlider();
928 
    _clearAllItems();
929 
    _addItems(mItems, true);
930 
}
318 andreas 931 
 
319 andreas 932 
void TQScrollArea::setPosition()
933 
{
934 
    DECL_TRACER("TQScrollArea::setPosition()");
935 
 
936 
    if (mItems.empty())
937 
        return;
938 
 
939 
    QWidget *anchor = nullptr;
940 
    size_t pos = 0;
941 
    MSG_DEBUG("Wrap items: " << (mWrapItems ? "TRUE" : "FALSE") << ", number items: " << mItems.size());
942 
 
943 
    switch (mPosition)
318 andreas 944 
    {
319 andreas 945 
        case Button::SVP_LEFT_TOP:
946 
            anchor = mItems[0].item;
947 
        break;
948 
 
949 
        case Button::SVP_CENTER:
950 
            pos = mItems.size() / 2;
951 
            anchor = mItems[pos].item;
952 
        break;
953 
 
954 
        case Button::SVP_RIGHT_BOTTOM:
955 
            pos = mItems.size() - 1;
956 
            anchor = mItems[pos].item;
957 
        break;
958 
    }
959 
 
960 
    if (anchor)
961 
    {
962 
        QRect geom = anchor->geometry();
963 
        bool makeVisible = false;
964 
 
965 
        if (mVertical)
318 andreas 966 
        {
319 andreas 967 
            if ((geom.y() + geom.height()) < mActPosition ||
968 
                    geom.y() > (mActPosition + mHeight))
969 
                makeVisible = true;
318 andreas 970 
        }
319 andreas 971 
        else
972 
        {
973 
            if ((geom.x() + geom.width()) < mActPosition ||
974 
                    geom.x() > (mActPosition + mWidth))
975 
                makeVisible = true;
976 
        }
977 
 
978 
        ulong handle = extractHandle(anchor->objectName().toStdString());
979 
 
980 
        if (makeVisible)
981 
        {
982 
            ensureWidgetVisible(anchor);
983 
            MSG_DEBUG("Item number " << pos << " (" << handleToString(handle) << ") was moved to position.");
984 
        }
985 
        else
986 
        {
987 
            MSG_DEBUG("Item number " << pos << " (" << handleToString(handle) << ") is already at visible position.");
988 
        }
318 andreas 989 
    }
300 andreas 990 
}
991 
 
318 andreas 992 
void TQScrollArea::setPosition(QWidget* w, int position)
285 andreas 993 
{
318 andreas 994 
    DECL_TRACER("TQScrollArea::setPosition(QWidget* w, int position)");
995 
 
996 
    int defPosX = 50;
997 
    int defPosY = 50;
998 
 
999 
    if (position > 0 && position < 65535)
285 andreas 1000 
    {
318 andreas 1001 
        if (mVertical)
289 andreas 1002 
        {
318 andreas 1003 
            defPosY = position;
1004 
            defPosX = 0;
289 andreas 1005 
        }
318 andreas 1006 
        else
1007 
        {
1008 
            defPosY = position;
1009 
            defPosX = 0;
1010 
        }
289 andreas 1011 
 
318 andreas 1012 
        ensureWidgetVisible(w, defPosX, defPosY);
1013 
    }
1014 
    else if (mPosition == Button::SVP_LEFT_TOP)
1015 
    {
1016 
        if (mVertical)
1017 
        {
1018 
            int top = w->geometry().y();
1019 
            QScrollBar *bar = verticalScrollBar();
285 andreas 1020 
 
318 andreas 1021 
            if (bar)
1022 
                bar->setSliderPosition(top);
1023 
        }
1024 
        else
1025 
        {
1026 
            int left = w->geometry().x();
1027 
            QScrollBar *bar = horizontalScrollBar();
1028 
 
1029 
            if (bar)
1030 
                bar->setSliderPosition(left);
1031 
        }
1032 
    }
1033 
    else if (mPosition == Button::SVP_CENTER)
1034 
    {
285 andreas 1035 
        if (mVertical)
1036 
        {
318 andreas 1037 
            int topMargin = (mHeight - w->geometry().height()) / 2;
1038 
            int top = w->geometry().y() - topMargin;
1039 
            QScrollBar *bar = verticalScrollBar();
285 andreas 1040 
 
318 andreas 1041 
            if (bar)
1042 
                bar->setSliderPosition(top);
285 andreas 1043 
        }
1044 
        else
1045 
        {
318 andreas 1046 
            int leftMargin = (mWidth - w->geometry().width()) / 2;
1047 
            int left = w->geometry().x() - leftMargin;
1048 
            QScrollBar *bar = horizontalScrollBar();
285 andreas 1049 
 
318 andreas 1050 
            if (bar)
1051 
                bar->setSliderPosition(left);
285 andreas 1052 
        }
1053 
    }
318 andreas 1054 
    else if (mPosition == Button::SVP_RIGHT_BOTTOM)
1055 
    {
1056 
        if (mVertical)
1057 
        {
1058 
            int bottom = w->geometry().y() + w->geometry().height();
1059 
            QScrollBar *bar = verticalScrollBar();
285 andreas 1060 
 
318 andreas 1061 
            if (bar)
1062 
                bar->setSliderPosition(bottom);
1063 
        }
1064 
        else
1065 
        {
1066 
            int right = w->geometry().x() + w->geometry().width();
1067 
            QScrollBar *bar = horizontalScrollBar();
1068 
 
1069 
            if (bar)
1070 
                bar->setSliderPosition(right);
1071 
        }
1072 
    }
285 andreas 1073 
}
318 andreas 1074 
 
1075 
TQScrollArea::_ITEMS_T TQScrollArea::subViewItemToItem(PGSUBVIEWITEM_T& item)
1076 
{
1077 
    DECL_TRACER("TQScrollArea::subViewItemToItem(PGSUBVIEWITEM_T& item)");
1078 
 
1079 
    _ITEMS_T it;
319 andreas 1080 
    it.handle = item.handle;
1081 
    it.parent = item.parent;
1082 
    it.width = item.width;
1083 
    it.height = item.height;
318 andreas 1084 
    it.bgcolor = item.bgcolor;
1085 
    it.bounding = item.bounding;
1086 
    it.image = item.image;
1087 
    it.position = item.position;
1088 
    it.scrollbar = item.scrollbar;
1089 
    it.scrollbarOffset = item.scrollbarOffset;
1090 
    it.wrap = item.wrap;
1091 
    it.atoms = item.atoms;
1092 
 
1093 
    return it;
1094 
}
1095 
 
319 andreas 1096 
void TQScrollArea::_clearAllItems()
1097 
{
1098 
    DECL_TRACER("TQScrollArea::_clearAllItems()");
1099 
 
1100 
    if (mItems.empty())
1101 
        return;
1102 
 
1103 
    vector<_ITEMS_T>::iterator clIter;
1104 
 
1105 
    for (clIter = mItems.begin(); clIter != mItems.end(); ++clIter)
1106 
    {
1107 
        if (clIter->item)
1108 
        {
1109 
            if (mVertical)
1110 
            {
1111 
                if (mVLayout)
1112 
                    mVLayout->removeWidget(clIter->item);
1113 
            }
1114 
            else
1115 
            {
1116 
                if (mHLayout)
1117 
                    mHLayout->removeWidget(clIter->item);
1118 
            }
1119 
 
1120 
            clIter->item->close();
1121 
            clIter->item = nullptr;
1122 
        }
1123 
    }
1124 
}
1125 
 
1126 
void TQScrollArea::resetSlider(int position)
1127 
{
1128 
    DECL_TRACER("TQScrollArea::resetSlider(int position)");
1129 
 
1130 
    if (mActPosition <= 0)
1131 
        return;
1132 
 
1133 
    QScrollBar *sbar = nullptr;
1134 
 
1135 
    if (mVertical)
1136 
        sbar = verticalScrollBar();
1137 
    else
1138 
        sbar = horizontalScrollBar();
1139 
 
1140 
    if (sbar)
1141 
    {
1142 
        mOldActPosition = sbar->value();
1143 
        sbar->setSliderPosition(position);
1144 
    }
1145 
    else
1146 
        mOldActPosition = mActPosition;
1147 
}
1148 
 
318 andreas 1149 
/*****************************************************************************
1150 
 * Signals and overwritten functions start here
1151 
 *****************************************************************************/
1152 
 
320 andreas 1153 
void TQScrollArea::scrollContentsBy(int dx, int dy)
1154 
{
1155 
    DECL_TRACER("TQScrollArea::scrollContentsBy(int dx, int dy)");
1156 
 
1157 
    QScrollArea::scrollContentsBy(dx, dy);      // First let the original class do it's job.
1158 
    QScrollBar *sbar = nullptr;
1159 
 
1160 
    if (mVertical)
1161 
        sbar = verticalScrollBar();
1162 
    else
1163 
        sbar = horizontalScrollBar();
1164 
 
1165 
    if (sbar)
1166 
    {
1167 
        mActPosition = sbar->value();
1168 
        MSG_DEBUG("Actual slider position: " << mActPosition);
1169 
 
1170 
        if (mScrollbar && mScrollbarOffset > 0 && mActPosition < mScrollbarOffset)
1171 
        {
1172 
            sbar->setSliderPosition(mScrollbarOffset);
1173 
            mActPosition = sbar->value();
1174 
        }
1175 
    }
1176 
}
1177 
 
300 andreas 1178 
void TQScrollArea::mouseMoveEvent(QMouseEvent* event)
1179 
{
1180 
    DECL_TRACER("TQScrollArea::mouseMoveEvent(QMouseEvent* event)");
285 andreas 1181 
 
300 andreas 1182 
    mMousePress = false;
1183 
    mMouseScroll = true;
320 andreas 1184 
    mDoMouseEvent = false;
301 andreas 1185 
 
1186 
    if (mMousePressTimer && mMousePressTimer->isActive())
1187 
        mMousePressTimer->stop();
1188 
 
300 andreas 1189 
    int move = 0;
315 andreas 1190 
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
1191 
    MSG_DEBUG("Scroll event at " << event->pos().x() << "x" << event->pos().y() << ", old point at " << mOldPoint.x() << "x" << mOldPoint.y());
1192 
#else
300 andreas 1193 
    MSG_DEBUG("Scroll event at " << event->position().x() << "x" << event->position().y() << ", old point at " << mOldPoint.x() << "x" << mOldPoint.y());
315 andreas 1194 
#endif
300 andreas 1195 
    if (mVertical)
1196 
    {
1197 
        if (mOldPoint.y() != 0)
1198 
        {
1199 
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
315 andreas 1200 
            move = event->pos().y() - mOldPoint.y();
300 andreas 1201 
#else
1202 
            move = event->position().y() - mOldPoint.y();
1203 
#endif
1204 
            QScrollBar *bar = verticalScrollBar();
1205 
 
1206 
            if (bar)
1207 
            {
1208 
                int value = bar->value();
1209 
                value += (move * -1);
1210 
                bar->setValue(value);
1211 
            }
1212 
        }
1213 
    }
1214 
    else
1215 
    {
1216 
        if (mOldPoint.x() != 0)
1217 
        {
1218 
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
315 andreas 1219 
            move = event->pos().x() - mOldPoint.x();
300 andreas 1220 
#else
1221 
            move = event->position().x() - mOldPoint.x();
1222 
#endif
1223 
            QScrollBar *bar = horizontalScrollBar();
1224 
 
1225 
            if (bar)
1226 
            {
1227 
                int value = bar->value();
301 andreas 1228 
                int newValue = value + (move * -1);
1229 
 
1230 
                if (newValue >= 0 && newValue != value)
1231 
                    bar->setValue(newValue);
300 andreas 1232 
            }
1233 
        }
1234 
    }
301 andreas 1235 
 
300 andreas 1236 
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
315 andreas 1237 
    mOldPoint = event->pos();
300 andreas 1238 
#else
1239 
    mOldPoint = event->position();
1240 
#endif
1241 
}
1242 
 
285 andreas 1243 
void TQScrollArea::mousePressEvent(QMouseEvent* event)
1244 
{
294 andreas 1245 
    DECL_TRACER("TQScrollArea::mousePressEvent(QMouseEvent* event)");
1246 
 
320 andreas 1247 
    if (!event || mMouseScroll || event->button() != Qt::LeftButton)
289 andreas 1248 
        return;
1249 
 
320 andreas 1250 
    mMousePress = true;
1251 
    mOldPoint.setX(0.0);
1252 
    mOldPoint.setY(0.0);
289 andreas 1253 
 
320 andreas 1254 
    int x = 0, y = 0;
289 andreas 1255 
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
320 andreas 1256 
    x = event->pos().x();
1257 
    y = event->pos().y();
289 andreas 1258 
#else
320 andreas 1259 
    x = event->position().x();
1260 
    y = event->position().y();
289 andreas 1261 
#endif
320 andreas 1262 
    mLastMousePress.setX(x);
1263 
    mLastMousePress.setY(y);
361 andreas 1264 
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
320 andreas 1265 
    MSG_DEBUG("Mouse press event at " << x << " x " << y << " // " << event->globalX() << " x " << event->globalY());
361 andreas 1266 
#else
1267 
    MSG_DEBUG("Mouse press event at " << x << " x " << y << " // " << event->globalPosition().x() << " x " << event->globalPosition().y());
1268 
#endif
320 andreas 1269 
    /*
1270 
        * Here we're starting a timer with 200 ms. If after this time the
1271 
        * mouse button is still pressed and no scroll event was detected,
1272 
        * then we've a real click.
1273 
        * In case of a real click the method mouseTimerEvent() will call a
1274 
        * signal to inform the parent about the click.
1275 
        */
1276 
    mClick = true;  // This means PRESSED state
1277 
    mMouseTmEventActive = true;
1278 
    mDoMouseEvent = true;
1279 
    QTimer::singleShot(200, this, &TQScrollArea::mouseTimerEvent);
285 andreas 1280 
}
1281 
 
1282 
void TQScrollArea::mouseReleaseEvent(QMouseEvent* event)
1283 
{
294 andreas 1284 
    DECL_TRACER("TQScrollArea::mouseReleaseEvent(QMouseEvent* event)");
1285 
 
320 andreas 1286 
    if (!event || event->button() != Qt::LeftButton)
289 andreas 1287 
        return;
1288 
 
320 andreas 1289 
    mDoMouseEvent = false;
1290 
 
1291 
    if (mMouseTmEventActive)
289 andreas 1292 
    {
320 andreas 1293 
        if (!mMouseScroll)
289 andreas 1294 
        {
320 andreas 1295 
            mClick = true;      // This means PRESSED state
1296 
            doMouseEvent();
1297 
            mClick = false;     // This means RELEASED state
1298 
            doMouseEvent();
289 andreas 1299 
        }
320 andreas 1300 
    }
1301 
    else if (!mMouseScroll && mClick)
1302 
    {
1303 
        mClick = false;         // This means RELEASED state
1304 
        doMouseEvent();
1305 
    }
301 andreas 1306 
 
320 andreas 1307 
    mMousePress = false;
1308 
    mMouseScroll = false;
1309 
    mOldPoint.setX(0.0);
1310 
    mOldPoint.setY(0.0);
285 andreas 1311 
}
289 andreas 1312 
 
320 andreas 1313 
void TQScrollArea::doMouseEvent()
289 andreas 1314 
{
320 andreas 1315 
    DECL_TRACER("TQScrollArea::doMouseEvent()");
294 andreas 1316 
 
320 andreas 1317 
    if (!mMousePress || mMouseScroll || !mMain)
1318 
        return;
289 andreas 1319 
 
320 andreas 1320 
    QWidget *w = nullptr;
1321 
 
289 andreas 1322 
    if (mVertical)
320 andreas 1323 
        w = mMain->childAt(mLastMousePress.x(), mActPosition + mLastMousePress.y());
289 andreas 1324 
    else
320 andreas 1325 
        w = mMain->childAt(mActPosition + mLastMousePress.x(), mLastMousePress.y());
289 andreas 1326 
 
320 andreas 1327 
    if (!w)
1328 
        return;
300 andreas 1329 
 
320 andreas 1330 
    QString obname = w->objectName();
1331 
    ulong handle = extractHandle(obname.toStdString());
289 andreas 1332 
 
320 andreas 1333 
    if (!handle)
1334 
        return;
294 andreas 1335 
 
320 andreas 1336 
    // We must make sure the found object is not marked as pass through.
1337 
    // Because of this we'll scan the items for the handle and if we
1338 
    // find that it is marked as pass through we must look for another
1339 
    // one on the same position. If there is none, the click is ignored.
1340 
    //
1341 
    // Find the object in our list
1342 
    vector<_ITEMS_T>::iterator iter;
1343 
    QRect rect;
1344 
    bool call = true;
289 andreas 1345 
 
320 andreas 1346 
    for (iter = mItems.begin(); iter != mItems.end(); ++iter)
289 andreas 1347 
    {
320 andreas 1348 
        if (iter->handle == handle)     // Handle found?
1349 
        {                               // Yes, then ...
1350 
            if (iter->bounding == "passThru")   // Item marked as pass through?
1351 
            {                                   // Yes, then start to search for another item
1352 
                rect = w->rect();
1353 
                call = false;
1354 
                // Walk through the childs to find another one on the
1355 
                // clicked position.
1356 
                QObjectList ol = mMain->children(); // Get list of all objects
1357 
                QList<QObject *>::iterator obiter;  // Define an iterator
1358 
                // Loop through all objects
1359 
                for (obiter = ol.begin(); obiter != ol.end(); ++obiter)
1360 
                {
1361 
                    QObject *object = *obiter;
289 andreas 1362 
 
320 andreas 1363 
                    if (object->objectName() != obname && object->objectName().startsWith("Label_"))    // Have we found a QLabel object?
1364 
                    {                                                                                   // Yes, then test it's position
1365 
                        QLabel *lb = dynamic_cast<QLabel *>(object);    // Cast the object to a QLabel
289 andreas 1366 
 
320 andreas 1367 
                        if (lb->rect().contains(mLastMousePress))       // Is the QLabel under the mouse coordinates?
1368 
                        {                                               // Yes, then select it.
1369 
                            ulong h = extractHandle(lb->objectName().toStdString());  // Get the handle
289 andreas 1370 
 
320 andreas 1371 
                            if (!h)
1372 
                                break;
289 andreas 1373 
 
320 andreas 1374 
                            handle = h;
1375 
                            // Reset the main loop
1376 
                            iter = mItems.begin();
1377 
                            break;
293 andreas 1378 
                        }
1379 
                    }
1380 
                }
1381 
            }
320 andreas 1382 
            else
293 andreas 1383 
            {
320 andreas 1384 
                call = true;
1385 
                break;
293 andreas 1386 
            }
289 andreas 1387 
        }
1388 
    }
320 andreas 1389 
 
1390 
    if (call)
1391 
    {
1392 
        MSG_DEBUG("Calling signal with handle " << (handle >> 16 & 0x0000ffff) << ":" << (handle & 0x0000ffff) << ": STATE=" << (mClick ? "PRESSED" : "RELEASED"));
1393 
        emit objectClicked(handle, mClick);
1394 
        mClick = false;
1395 
    }
289 andreas 1396 
}
293 andreas 1397 
 
320 andreas 1398 
void TQScrollArea::mouseTimerEvent()
1399 
{
1400 
    DECL_TRACER("TQScrollArea::mouseTimerEvent()");
1401 
 
1402 
    if (!mDoMouseEvent)
1403 
        return;
1404 
 
1405 
    mDoMouseEvent = false;
1406 
 
1407 
    if (mClick)         // Only if PRESSED
1408 
        doMouseEvent();
1409 
 
1410 
    mMouseTmEventActive = false;
1411 
}
1412