Differential D25543 Diff 70339 kstyle/widgets/groupbox.cpp

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kstyle/widgets/groupbox.cpp

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1​#include "breezestyle.h"
2​
3​namespace Breeze
4​{
5​//______________________________________________________________
6​QRect Style::groupBoxSubControlRect(const QStyleOptionComplex *option, SubControl subControl, const QWidget *widget) const
7​{
8​ QRect rect = option->rect;
9​ switch (subControl) {
10​ case SC_GroupBoxFrame:
11​ return rect;
12​
13​ case SC_GroupBoxContents: {
14​ // cast option and check
15​ const auto groupBoxOption = qstyleoption_cast<const QStyleOptionGroupBox *>(option);
16​ if (!groupBoxOption)
17​ break;
18​
19​ // take out frame width
20​ rect = insideMargin(rect, Metrics::Frame_FrameWidth);
21​
22​ // get state
23​ const bool checkable(groupBoxOption->subControls & QStyle::SC_GroupBoxCheckBox);
24​ const bool emptyText(groupBoxOption->text.isEmpty());
25​
26​ // calculate title height
27​ int titleHeight(0);
28​ if (!emptyText)
29​ titleHeight = groupBoxOption->fontMetrics.height();
30​ if (checkable)
31​ titleHeight = qMax(titleHeight, int(Metrics::CheckBox_Size));
32​
33​ // add margin
34​ if (titleHeight > 0)
35​ titleHeight += 2 * Metrics::GroupBox_TitleMarginWidth;
36​
37​ rect.adjust(0, titleHeight, 0, 0);
38​ return rect;
39​ }
40​
41​ case SC_GroupBoxCheckBox:
42​ case SC_GroupBoxLabel: {
43​ // cast option and check
44​ const auto groupBoxOption = qstyleoption_cast<const QStyleOptionGroupBox *>(option);
45​ if (!groupBoxOption)
46​ break;
47​
48​ // take out frame width
49​ rect = insideMargin(rect, Metrics::Frame_FrameWidth);
50​
51​ const bool emptyText(groupBoxOption->text.isEmpty());
52​ const bool checkable(groupBoxOption->subControls & QStyle::SC_GroupBoxCheckBox);
53​
54​ // calculate title height
55​ int titleHeight(0);
56​ int titleWidth(0);
57​ if (!emptyText) {
58​ const QFontMetrics fontMetrics = option->fontMetrics;
59​ titleHeight = qMax(titleHeight, fontMetrics.height());
60​ titleWidth += fontMetrics.size(_mnemonics->textFlags(), groupBoxOption->text).width();
61​ }
62​
63​ if (checkable) {
64​ titleHeight = qMax(titleHeight, int(Metrics::CheckBox_Size));
65​ titleWidth += Metrics::CheckBox_Size;
66​ if (!emptyText)
67​ titleWidth += Metrics::CheckBox_ItemSpacing;
68​ }
69​
70​ // adjust height
71​ auto titleRect(rect);
72​ titleRect.setHeight(titleHeight);
73​ titleRect.translate(0, Metrics::GroupBox_TitleMarginWidth);
74​
75​ // center
76​ titleRect = centerRect(titleRect, titleWidth, titleHeight);
77​
78​ if (subControl == SC_GroupBoxCheckBox) {
79​ // vertical centering
80​ titleRect = centerRect(titleRect, titleWidth, Metrics::CheckBox_Size);
81​
82​ // horizontal positioning
83​ const QRect subRect(titleRect.topLeft(), QSize(Metrics::CheckBox_Size, titleRect.height()));
84​ return visualRect(option->direction, titleRect, subRect);
85​
86​ } else {
87​ // vertical centering
88​ QFontMetrics fontMetrics = option->fontMetrics;
89​ titleRect = centerRect(titleRect, titleWidth, fontMetrics.height());
90​
91​ // horizontal positioning
92​ auto subRect(titleRect);
93​ if (checkable)
94​ subRect.adjust(Metrics::CheckBox_Size + Metrics::CheckBox_ItemSpacing, 0, 0, 0);
95​ return visualRect(option->direction, titleRect, subRect);
96​ }
97​ }
98​
99​ default:
100​ break;
101​ }
102​
103​ return ParentStyleClass::subControlRect(CC_GroupBox, option, subControl, widget);
104​}
105​
106​//______________________________________________________________
107​bool Style::drawFrameGroupBoxPrimitive(const QStyleOption *option, QPainter *painter, const QWidget *) const
108​{
109​ // cast option and check
110​ const auto frameOption(qstyleoption_cast<const QStyleOptionFrame *>(option));
111​ if (!frameOption)
112​ return true;
113​
114​ // no frame for flat groupboxes
115​#if BREEZE_USE_KDE4
116​ QStyleOptionFrameV2 frameOption2(*frameOption);
117​ if (frameOption2.features & QStyleOptionFrameV2::Flat)
118​ return true;
119​#else
120​ if (frameOption->features & QStyleOptionFrame::Flat)
121​ return true;
122​#endif
123​
124​ // normal frame
125​ const auto &palette(option->palette);
126​ const auto background(_helper->frameBackgroundColor(palette));
127​ const auto outline(_helper->frameOutlineColor(palette));
128​
129​ /*
130​ * need to reset painter's clip region in order to paint behind textbox label
131​ * (was taken out in QCommonStyle)
132​ */
133​
134​ painter->setClipRegion(option->rect);
135​ _helper->renderFrame(painter, option->rect, background, outline);
136​
137​ return true;
138​}
139​
140​//______________________________________________________________
141​bool Style::drawGroupBoxComplexControl(const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
142​{
143​ // base class method
144​ ParentStyleClass::drawComplexControl(CC_GroupBox, option, painter, widget);
145​
146​ // cast option and check
147​ const auto groupBoxOption = qstyleoption_cast<const QStyleOptionGroupBox *>(option);
148​ if (!groupBoxOption)
149​ return true;
150​
151​ // do nothing if either label is not selected or groupbox is empty
152​ if (!(option->subControls & QStyle::SC_GroupBoxLabel) || groupBoxOption->text.isEmpty()) {
153​ return true;
154​ }
155​
156​ // store palette and rect
157​ const auto &palette(option->palette);
158​
159​ // check focus state
160​ const State &state(option->state);
161​ const bool enabled(state & State_Enabled);
162​ const bool hasFocus(enabled && (option->state & State_HasFocus));
163​ if (!hasFocus)
164​ return true;
165​
166​ // alignment
167​ const int textFlags(groupBoxOption->textAlignment | _mnemonics->textFlags());
168​
169​ // update animation state
170​ _animations->widgetStateEngine().updateState(widget, AnimationFocus, hasFocus);
171​ const bool isFocusAnimated(_animations->widgetStateEngine().isAnimated(widget, AnimationFocus));
172​ const qreal opacity(_animations->widgetStateEngine().opacity(widget, AnimationFocus));
173​
174​ // get relevant rect
175​ auto textRect = subControlRect(CC_GroupBox, option, SC_GroupBoxLabel, widget);
176​ textRect = option->fontMetrics.boundingRect(textRect, textFlags, groupBoxOption->text);
177​
178​ // focus color
179​ QColor focusColor;
180​ if (isFocusAnimated)
181​ focusColor = _helper->alphaColor(_helper->focusColor(palette), opacity);
182​ else if (hasFocus)
183​ focusColor = _helper->focusColor(palette);
184​
185​ // render focus
186​ _helper->renderFocusLine(painter, textRect, focusColor);
187​
188​ return true;
189​}
190​
191​}