Differential D25543 Diff 70382 kstyle/widgets/progressbar.cpp

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kstyle/widgets/progressbar.cpp

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1​#include "breezestyle.h"
2​
3​namespace BreezePrivate
4​{
5​//_______________________________________________________________
6​#if !BREEZE_USE_KDE4
7​bool isProgressBarHorizontal(const QStyleOptionProgressBar *option)
8​{
9​ return option && ((option->state & QStyle::State_Horizontal) || option->orientation == Qt::Horizontal);
10​}
11​#endif
12​
13​}
14​
15​namespace Breeze
16​{
17​//______________________________________________________________________________
18​void Helper::renderProgressBarGroove(QPainter *painter, const QRect &rect, const QColor &color) const
19​{
20​ // setup painter
21​ painter->setRenderHint(QPainter::Antialiasing, true);
22​
23​ const QRectF baseRect(rect);
24​ const qreal radius(0.5 * Metrics::ProgressBar_Thickness);
25​
26​ // content
27​ if (color.isValid()) {
28​ painter->setPen(Qt::NoPen);
29​ painter->setBrush(color);
30​ painter->drawRoundedRect(baseRect, radius, radius);
31​ }
32​}
33​
34​//______________________________________________________________________________
35​void Helper::renderProgressBarBusyContents(QPainter *painter, const QRect &rect, const QColor &first, const QColor &second, bool horizontal, bool reverse, int progress) const
36​{
37​ // setup painter
38​ painter->setRenderHint(QPainter::Antialiasing, true);
39​
40​ const QRectF baseRect(rect);
41​ const qreal radius(0.5 * Metrics::ProgressBar_Thickness);
42​
43​ // setup brush
44​ QPixmap pixmap(horizontal ? 2 * Metrics::ProgressBar_BusyIndicatorSize : 1, horizontal ? 1 : 2 * Metrics::ProgressBar_BusyIndicatorSize);
45​ pixmap.fill(second);
46​ if (horizontal) {
47​ QPainter painter(&pixmap);
48​ painter.setBrush(first);
49​ painter.setPen(Qt::NoPen);
50​
51​ progress %= 2 * Metrics::ProgressBar_BusyIndicatorSize;
52​ if (reverse)
53​ progress = 2 * Metrics::ProgressBar_BusyIndicatorSize - progress - 1;
54​ painter.drawRect(QRect(0, 0, Metrics::ProgressBar_BusyIndicatorSize, 1).translated(progress, 0));
55​
56​ if (progress > Metrics::ProgressBar_BusyIndicatorSize) {
57​ painter.drawRect(QRect(0, 0, Metrics::ProgressBar_BusyIndicatorSize, 1).translated(progress - 2 * Metrics::ProgressBar_BusyIndicatorSize, 0));
58​ }
59​
60​ } else {
61​ QPainter painter(&pixmap);
62​ painter.setBrush(first);
63​ painter.setPen(Qt::NoPen);
64​
65​ progress %= 2 * Metrics::ProgressBar_BusyIndicatorSize;
66​ progress = 2 * Metrics::ProgressBar_BusyIndicatorSize - progress - 1;
67​ painter.drawRect(QRect(0, 0, 1, Metrics::ProgressBar_BusyIndicatorSize).translated(0, progress));
68​
69​ if (progress > Metrics::ProgressBar_BusyIndicatorSize) {
70​ painter.drawRect(QRect(0, 0, 1, Metrics::ProgressBar_BusyIndicatorSize).translated(0, progress - 2 * Metrics::ProgressBar_BusyIndicatorSize));
71​ }
72​ }
73​
74​ painter->setPen(Qt::NoPen);
75​ painter->setBrush(pixmap);
76​ painter->drawRoundedRect(baseRect, radius, radius);
77​}
78​
79​//___________________________________________________________________________________________________________________
80​QRect Style::progressBarGrooveRect(const QStyleOption *option, const QWidget *widget) const
81​{
82​ // cast option and check
83​ const auto progressBarOption(qstyleoption_cast<const QStyleOptionProgressBar *>(option));
84​ if (!progressBarOption)
85​ return option->rect;
86​
87​ // get flags and orientation
88​ const bool textVisible(progressBarOption->textVisible);
89​ const bool busy(progressBarOption->minimum == 0 && progressBarOption->maximum == 0);
90​
91​#if BREEZE_USE_KDE4
92​ const auto progressBarOption2(qstyleoption_cast<const QStyleOptionProgressBarV2 *>(option));
93​ const bool horizontal(!progressBarOption2 || progressBarOption2->orientation == Qt::Horizontal);
94​#else
95​ const bool horizontal(BreezePrivate::isProgressBarHorizontal(progressBarOption));
96​#endif
97​
98​ // copy rectangle and adjust
99​ auto rect(option->rect);
100​ const int frameWidth(pixelMetric(PM_DefaultFrameWidth, option, widget));
101​ if (horizontal)
102​ rect = insideMargin(rect, frameWidth, 0);
103​ else
104​ rect = insideMargin(rect, 0, frameWidth);
105​
106​ if (textVisible && !busy && horizontal) {
107​ auto textRect(subElementRect(SE_ProgressBarLabel, option, widget));
108​ textRect = visualRect(option, textRect);
109​ rect.setRight(textRect.left() - Metrics::ProgressBar_ItemSpacing - 1);
110​ rect = visualRect(option, rect);
111​ rect = centerRect(rect, rect.width(), Metrics::ProgressBar_Thickness);
112​
113​ } else if (horizontal) {
114​ rect = centerRect(rect, rect.width(), Metrics::ProgressBar_Thickness);
115​
116​ } else {
117​ rect = centerRect(rect, Metrics::ProgressBar_Thickness, rect.height());
118​ }
119​
120​ return rect;
121​}
122​
123​//___________________________________________________________________________________________________________________
124​QRect Style::progressBarContentsRect(const QStyleOption *option, const QWidget *widget) const
125​{
126​ // cast option and check
127​ const auto progressBarOption(qstyleoption_cast<const QStyleOptionProgressBar *>(option));
128​ if (!progressBarOption)
129​ return QRect();
130​
131​ // get groove rect
132​ const auto rect(progressBarGrooveRect(option, widget));
133​
134​ // in busy mode, grooveRect is used
135​ const bool busy(progressBarOption->minimum == 0 && progressBarOption->maximum == 0);
136​ if (busy)
137​ return rect;
138​
139​ // get orientation
140​#if BREEZE_USE_KDE4
141​ const auto progressBarOption2(qstyleoption_cast<const QStyleOptionProgressBarV2 *>(option));
142​ const bool horizontal(!progressBarOption2 || progressBarOption2->orientation == Qt::Horizontal);
143​#else
144​ const bool horizontal(BreezePrivate::isProgressBarHorizontal(progressBarOption));
145​#endif
146​
147​ // check inverted appearance
148​#if BREEZE_USE_KDE4
149​ const bool inverted(progressBarOption2 ? progressBarOption2->invertedAppearance : false);
150​#else
151​ const bool inverted(progressBarOption->invertedAppearance);
152​#endif
153​
154​ // get progress and steps
155​ const qreal progress(progressBarOption->progress - progressBarOption->minimum);
156​ const int steps(qMax(progressBarOption->maximum - progressBarOption->minimum, 1));
157​
158​ // Calculate width fraction
159​ const qreal widthFrac = qMin(qreal(1), progress / steps);
160​
161​ // convert the pixel width
162​ const int indicatorSize(widthFrac * (horizontal ? rect.width() : rect.height()));
163​
164​ QRect indicatorRect;
165​ if (horizontal) {
166​ indicatorRect = QRect(inverted ? (rect.right() - indicatorSize + 1) : rect.left(), rect.y(), indicatorSize, rect.height());
167​ indicatorRect = visualRect(option->direction, rect, indicatorRect);
168​
169​ } else
170​ indicatorRect = QRect(rect.x(), inverted ? rect.top() : (rect.bottom() - indicatorSize + 1), rect.width(), indicatorSize);
171​
172​ return indicatorRect;
173​}
174​
175​//___________________________________________________________________________________________________________________
176​QRect Style::progressBarLabelRect(const QStyleOption *option, const QWidget *) const
177​{
178​ // cast option and check
179​ const auto progressBarOption(qstyleoption_cast<const QStyleOptionProgressBar *>(option));
180​ if (!progressBarOption)
181​ return QRect();
182​
183​ // get flags and check
184​ const bool textVisible(progressBarOption->textVisible);
185​ const bool busy(progressBarOption->minimum == 0 && progressBarOption->maximum == 0);
186​ if (!textVisible || busy)
187​ return QRect();
188​
189​ // get direction and check
190​#if BREEZE_USE_KDE4
191​ const auto progressBarOption2(qstyleoption_cast<const QStyleOptionProgressBarV2 *>(option));
192​ const bool horizontal(!progressBarOption2 || progressBarOption2->orientation == Qt::Horizontal);
193​#else
194​ const bool horizontal(BreezePrivate::isProgressBarHorizontal(progressBarOption));
195​#endif
196​ if (!horizontal)
197​ return QRect();
198​
199​ int textWidth = qMax(option->fontMetrics.size(_mnemonics->textFlags(), progressBarOption->text).width(), option->fontMetrics.size(_mnemonics->textFlags(), QStringLiteral("100%")).width());
200​
201​ auto rect(insideMargin(option->rect, Metrics::Frame_FrameWidth, 0));
202​ rect.setLeft(rect.right() - textWidth + 1);
203​ rect = visualRect(option, rect);
204​
205​ return rect;
206​}
207​
208​//______________________________________________________________
209​QSize Style::progressBarSizeFromContents(const QStyleOption *option, const QSize &contentsSize, const QWidget *) const
210​{
211​ // cast option
212​ const auto progressBarOption(qstyleoption_cast<const QStyleOptionProgressBar *>(option));
213​ if (!progressBarOption)
214​ return contentsSize;
215​
216​#if BREEZE_USE_KDE4
217​ const auto progressBarOption2(qstyleoption_cast<const QStyleOptionProgressBarV2 *>(option));
218​ const bool horizontal(!progressBarOption2 || progressBarOption2->orientation == Qt::Horizontal);
219​#else
220​ const bool horizontal(BreezePrivate::isProgressBarHorizontal(progressBarOption));
221​#endif
222​
223​ // make local copy
224​ QSize size(contentsSize);
225​
226​ if (horizontal) {
227​ // check text visibility
228​ const bool textVisible(progressBarOption->textVisible);
229​
230​ size.setWidth(qMax(size.width(), int(Metrics::ProgressBar_Thickness)));
231​ size.setHeight(qMax(size.height(), int(Metrics::ProgressBar_Thickness)));
232​ if (textVisible)
233​ size.setHeight(qMax(size.height(), option->fontMetrics.height()));
234​
235​ } else {
236​ size.setHeight(qMax(size.height(), int(Metrics::ProgressBar_Thickness)));
237​ size.setWidth(qMax(size.width(), int(Metrics::ProgressBar_Thickness)));
238​ }
239​
240​ return size;
241​}
242​
243​//___________________________________________________________________________________
244​bool Style::drawProgressBarControl(const QStyleOption *option, QPainter *painter, const QWidget *widget) const
245​{
246​ const auto progressBarOption(qstyleoption_cast<const QStyleOptionProgressBar *>(option));
247​ if (!progressBarOption)
248​ return true;
249​
250​ // render groove
251​#if BREEZE_USE_KDE4
252​ QStyleOptionProgressBarV2 progressBarOption2 = *progressBarOption;
253​#else
254​ QStyleOptionProgressBar progressBarOption2 = *progressBarOption;
255​#endif
256​ progressBarOption2.rect = subElementRect(SE_ProgressBarGroove, progressBarOption, widget);
257​ drawControl(CE_ProgressBarGroove, &progressBarOption2, painter, widget);
258​
259​#if QT_VERSION >= 0x050000
260​ const QObject *styleObject(widget ? widget : progressBarOption->styleObject);
261​#else
262​ const QObject *styleObject(widget);
263​#endif
264​
265​ // enable busy animations
266​ // need to check both widget and passed styleObject, used for QML
267​ if (styleObject && _animations->busyIndicatorEngine().enabled()) {
268​#if QT_VERSION >= 0x050000
269​ // register QML object if defined
270​ if (!widget && progressBarOption->styleObject) {
271​ _animations->busyIndicatorEngine().registerWidget(progressBarOption->styleObject);
272​ }
273​#endif
274​
275​ _animations->busyIndicatorEngine().setAnimated(styleObject, progressBarOption->maximum == 0 && progressBarOption->minimum == 0);
276​ }
277​
278​ // check if animated and pass to option
279​ if (_animations->busyIndicatorEngine().isAnimated(styleObject)) {
280​ progressBarOption2.progress = _animations->busyIndicatorEngine().value();
281​ }
282​
283​ // render contents
284​ progressBarOption2.rect = subElementRect(SE_ProgressBarContents, progressBarOption, widget);
285​ drawControl(CE_ProgressBarContents, &progressBarOption2, painter, widget);
286​
287​ // render text
288​ const bool textVisible(progressBarOption->textVisible);
289​ const bool busy(progressBarOption->minimum == 0 && progressBarOption->maximum == 0);
290​ if (textVisible && !busy) {
291​ progressBarOption2.rect = subElementRect(SE_ProgressBarLabel, progressBarOption, widget);
292​ drawControl(CE_ProgressBarLabel, &progressBarOption2, painter, widget);
293​ }
294​
295​ return true;
296​}
297​
298​//___________________________________________________________________________________
299​bool Style::drawProgressBarContentsControl(const QStyleOption *option, QPainter *painter, const QWidget *) const
300​{
301​ const auto progressBarOption(qstyleoption_cast<const QStyleOptionProgressBar *>(option));
302​ if (!progressBarOption)
303​ return true;
304​
305​ // copy rect and palette
306​ auto rect(option->rect);
307​ const auto &palette(option->palette);
308​
309​ // get direction
310​#if BREEZE_USE_KDE4
311​ const auto progressBarOption2(qstyleoption_cast<const QStyleOptionProgressBarV2 *>(option));
312​ const bool horizontal = !progressBarOption2 || progressBarOption2->orientation == Qt::Horizontal;
313​ const bool inverted(progressBarOption2 ? progressBarOption2->invertedAppearance : false);
314​#else
315​ const bool horizontal(BreezePrivate::isProgressBarHorizontal(progressBarOption));
316​ const bool inverted(progressBarOption->invertedAppearance);
317​#endif
318​ bool reverse = horizontal && option->direction == Qt::RightToLeft;
319​ if (inverted)
320​ reverse = !reverse;
321​
322​ // check if anything is to be drawn
323​ const bool busy((progressBarOption->minimum == 0 && progressBarOption->maximum == 0));
324​ if (busy) {
325​ const qreal progress(_animations->busyIndicatorEngine().value());
326​
327​ const auto &first = palette.color(QPalette::Highlight);
328​ const auto second(KColorUtils::mix(palette.color(QPalette::Highlight), palette.color(QPalette::Window), 0.7));
329​ _helper->renderProgressBarBusyContents(painter, rect, first, second, horizontal, reverse, progress);
330​
331​ } else {
332​ const QRegion oldClipRegion(painter->clipRegion());
333​ if (horizontal) {
334​ if (rect.width() < Metrics::ProgressBar_Thickness) {
335​ painter->setClipRect(rect, Qt::IntersectClip);
336​ if (reverse)
337​ rect.setLeft(rect.left() - Metrics::ProgressBar_Thickness + rect.width());
338​ else
339​ rect.setWidth(Metrics::ProgressBar_Thickness);
340​ }
341​
342​ } else {
343​ if (rect.height() < Metrics::ProgressBar_Thickness) {
344​ painter->setClipRect(rect, Qt::IntersectClip);
345​ if (reverse)
346​ rect.setHeight(Metrics::ProgressBar_Thickness);
347​ else
348​ rect.setTop(rect.top() - Metrics::ProgressBar_Thickness + rect.height());
349​ }
350​ }
351​
352​ auto contentsColor(option->state.testFlag(QStyle::State_Selected) ? palette.color(QPalette::HighlightedText) : palette.color(QPalette::Highlight));
353​
354​ _helper->renderProgressBarContents(painter, rect, contentsColor);
355​ painter->setClipRegion(oldClipRegion);
356​ }
357​
358​ return true;
359​}
360​
361​//___________________________________________________________________________________
362​bool Style::drawProgressBarGrooveControl(const QStyleOption *option, QPainter *painter, const QWidget *) const
363​{
364​ const auto &palette(option->palette);
365​ const auto color(_helper->alphaColor(palette.color(QPalette::WindowText), 0.3));
366​ _helper->renderProgressBarGroove(painter, option->rect, color);
367​ return true;
368​}
369​
370​//___________________________________________________________________________________
371​bool Style::drawProgressBarLabelControl(const QStyleOption *option, QPainter *painter, const QWidget *) const
372​{
373​ // cast option and check
374​ const auto progressBarOption(qstyleoption_cast<const QStyleOptionProgressBar *>(option));
375​ if (!progressBarOption)
376​ return true;
377​
378​ // get direction and check
379​#if BREEZE_USE_KDE4
380​ const auto progressBarOption2(qstyleoption_cast<const QStyleOptionProgressBarV2 *>(option));
381​ const bool horizontal = !progressBarOption2 || progressBarOption2->orientation == Qt::Horizontal;
382​#else
383​ const bool horizontal(BreezePrivate::isProgressBarHorizontal(progressBarOption));
384​#endif
385​ if (!horizontal)
386​ return true;
387​
388​ // store rect and palette
389​ const auto &rect(option->rect);
390​ const auto &palette(option->palette);
391​
392​ // store state and direction
393​ const State &state(option->state);
394​ const bool enabled(state & State_Enabled);
395​
396​ // define text rect
397​ Qt::Alignment hAlign((progressBarOption->textAlignment == Qt::AlignLeft) ? Qt::AlignHCenter : progressBarOption->textAlignment);
398​ drawItemText(painter, rect, Qt::AlignVCenter | hAlign, palette, enabled, progressBarOption->text, QPalette::WindowText);
399​
400​ return true;
401​}
402​
403​}