1 // This file is part of Desktop App Toolkit,
2 // a set of libraries for developing nice desktop applications.
3 //
4 // For license and copyright information please follow this link:
5 // https://github.com/desktop-app/legal/blob/master/LEGAL
6 //
7 #include "ui/wrap/padding_wrap.h"
8
9 namespace Ui {
10
PaddingWrap(QWidget * parent,object_ptr<RpWidget> && child,const style::margins & padding)11 PaddingWrap<RpWidget>::PaddingWrap(
12 QWidget *parent,
13 object_ptr<RpWidget> &&child,
14 const style::margins &padding)
15 : Parent(parent, std::move(child)) {
16 setPadding(padding);
17 }
18
setPadding(const style::margins & padding)19 void PaddingWrap<RpWidget>::setPadding(const style::margins &padding) {
20 if (_padding != padding) {
21 auto oldWidth = width() - _padding.left() - _padding.top();
22 _padding = padding;
23
24 if (auto weak = wrapped()) {
25 wrappedSizeUpdated(weak->size());
26
27 auto margins = weak->getMargins();
28 weak->moveToLeft(
29 _padding.left() + margins.left(),
30 _padding.top() + margins.top());
31 } else {
32 resize(QSize(
33 _padding.left() + oldWidth + _padding.right(),
34 _padding.top() + _padding.bottom()));
35 }
36 }
37 }
38
wrappedSizeUpdated(QSize size)39 void PaddingWrap<RpWidget>::wrappedSizeUpdated(QSize size) {
40 resize(QRect(QPoint(), size).marginsAdded(_padding).size());
41 }
42
naturalWidth() const43 int PaddingWrap<RpWidget>::naturalWidth() const {
44 auto inner = [this] {
45 if (auto weak = wrapped()) {
46 return weak->naturalWidth();
47 }
48 return RpWidget::naturalWidth();
49 }();
50 return (inner < 0)
51 ? inner
52 : (_padding.left() + inner + _padding.right());
53 }
54
resizeGetHeight(int newWidth)55 int PaddingWrap<RpWidget>::resizeGetHeight(int newWidth) {
56 if (auto weak = wrapped()) {
57 weak->resizeToWidth(newWidth
58 - _padding.left()
59 - _padding.right());
60 SendPendingMoveResizeEvents(weak);
61 } else {
62 resize(QSize(
63 _padding.left() + newWidth + _padding.right(),
64 _padding.top() + _padding.bottom()));
65 }
66 return heightNoMargins();
67 }
68
CenterWrap(QWidget * parent,object_ptr<RpWidget> && child)69 CenterWrap<RpWidget>::CenterWrap(
70 QWidget *parent,
71 object_ptr<RpWidget> &&child)
72 : Parent(parent, std::move(child)) {
73 if (const auto weak = wrapped()) {
74 wrappedSizeUpdated(weak->size());
75 }
76 }
77
naturalWidth() const78 int CenterWrap<RpWidget>::naturalWidth() const {
79 return -1;
80 }
81
resizeGetHeight(int newWidth)82 int CenterWrap<RpWidget>::resizeGetHeight(int newWidth) {
83 updateWrappedPosition(newWidth);
84 return heightNoMargins();
85 }
86
wrappedSizeUpdated(QSize size)87 void CenterWrap<RpWidget>::wrappedSizeUpdated(QSize size) {
88 updateWrappedPosition(width());
89 }
90
updateWrappedPosition(int forWidth)91 void CenterWrap<RpWidget>::updateWrappedPosition(int forWidth) {
92 if (const auto weak = wrapped()) {
93 const auto margins = weak->getMargins();
94 weak->moveToLeft(
95 (forWidth - weak->width()) / 2 + margins.left(),
96 margins.top());
97 }
98 }
99
100 } // namespace Ui
101