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revert file
This commit is contained in:
Martin Rotter
parent
ac86a34c1f
commit
ea614c0b25
@ -31,16 +31,15 @@
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#include "container_qpainter.h"
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#include <QDebug>
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#include <QPainter>
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#include <QPaintEvent>
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#include <QPainter>
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#include <QScrollBar>
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#include <QStyle>
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const int kScrollBarStep = 40;
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// TODO copied from litehtml/include/master.css
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const char mastercss[] =
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R"RAW(
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const char mastercss[] = R"RAW(
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html {
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display: block;
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height:100%;
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@ -85,16 +84,74 @@ display:block;
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margin-bottom:1em;
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}
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b, strong {
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display:inline;
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font-weight:bold;
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}
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i, em {
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display:inline;
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font-style:italic;
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}
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center
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{
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text-align:center;
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display:block;
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}
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a:link
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{
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text-decoration: underline;
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color: #00f;
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cursor: pointer;
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}
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h1, h2, h3, h4, h5, h6, div {
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display:block;
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}
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h1 {
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font-weight:bold;
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margin-top:0.67em;
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margin-bottom:0.67em;
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font-size: 2em;
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}
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h2 {
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font-weight:bold;
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margin-top:0.83em;
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margin-bottom:0.83em;
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font-size: 1.5em;
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}
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h3 {
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font-weight:bold;
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margin-top:1em;
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margin-bottom:1em;
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font-size:1.17em;
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}
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h4 {
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font-weight:bold;
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margin-top:1.33em;
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margin-bottom:1.33em
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}
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h5 {
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font-weight:bold;
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margin-top:1.67em;
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margin-bottom:1.67em;
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font-size:.83em;
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}
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h6 {
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font-weight:bold;
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margin-top:2.33em;
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margin-bottom:2.33em;
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font-size:.67em;
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}
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br {
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display:inline-block;
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}
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@ -114,6 +171,14 @@ br[clear="right"]
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clear:right;
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}
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span {
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display:inline
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}
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img {
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display: inline-block;
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}
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img[align="right"]
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{
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float: right;
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@ -123,11 +188,188 @@ img[align="left"]
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{
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float: left;
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}
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hr {
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display: block;
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margin-top: 0.5em;
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margin-bottom: 0.5em;
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margin-left: auto;
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margin-right: auto;
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border-style: inset;
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border-width: 1px
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}
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/***************** TABLES ********************/
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table {
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display: table;
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border-collapse: separate;
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border-spacing: 2px;
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border-top-color:gray;
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border-left-color:gray;
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border-bottom-color:black;
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border-right-color:black;
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}
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tbody, tfoot, thead {
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display:table-row-group;
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vertical-align:middle;
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}
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tr {
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display: table-row;
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vertical-align: inherit;
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border-color: inherit;
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}
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td, th {
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display: table-cell;
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vertical-align: inherit;
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border-width:1px;
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padding:1px;
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}
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th {
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font-weight: bold;
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}
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table[border] {
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border-style:solid;
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}
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table[border|=0] {
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border-style:none;
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}
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table[border] td, table[border] th {
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border-style:solid;
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border-top-color:black;
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border-left-color:black;
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border-bottom-color:gray;
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border-right-color:gray;
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}
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table[border|=0] td, table[border|=0] th {
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border-style:none;
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}
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caption {
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display: table-caption;
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}
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td[nowrap], th[nowrap] {
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white-space:nowrap;
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}
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tt, code, kbd, samp {
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font-family: monospace
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}
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pre, xmp, plaintext, listing {
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display: block;
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font-family: monospace;
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white-space: pre;
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margin: 1em 0
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}
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/***************** LISTS ********************/
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ul, menu, dir {
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display: block;
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list-style-type: disc;
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margin-top: 1em;
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margin-bottom: 1em;
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margin-left: 0;
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margin-right: 0;
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padding-left: 40px
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}
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ol {
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display: block;
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list-style-type: decimal;
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margin-top: 1em;
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margin-bottom: 1em;
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margin-left: 0;
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margin-right: 0;
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padding-left: 40px
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}
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li {
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display: list-item;
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}
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ul ul, ol ul {
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list-style-type: circle;
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}
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ol ol ul, ol ul ul, ul ol ul, ul ul ul {
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list-style-type: square;
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}
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dd {
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display: block;
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margin-left: 40px;
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}
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dl {
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display: block;
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margin-top: 1em;
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margin-bottom: 1em;
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margin-left: 0;
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margin-right: 0;
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}
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dt {
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display: block;
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}
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ol ul, ul ol, ul ul, ol ol {
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margin-top: 0;
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margin-bottom: 0
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}
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blockquote {
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display: block;
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margin-top: 1em;
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margin-bottom: 1em;
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margin-left: 40px;
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margin-left: 40px;
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}
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/*********** FORM ELEMENTS ************/
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form {
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display: block;
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margin-top: 0em;
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}
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option {
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display: none;
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}
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input, textarea, keygen, select, button, isindex {
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margin: 0em;
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color: initial;
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line-height: normal;
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text-transform: none;
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text-indent: 0;
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text-shadow: none;
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display: inline-block;
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}
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input[type="hidden"] {
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display: none;
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}
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article, aside, footer, header, hgroup, nav, section
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{
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display: block;
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}
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)RAW";
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class QLiteHtmlWidgetPrivate
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{
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public:
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public:
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QString html;
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DocumentContainerContext context;
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QUrl url;
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@ -136,393 +378,338 @@ class QLiteHtmlWidgetPrivate
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QUrl lastHighlightedLink;
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};
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QLiteHtmlWidget::QLiteHtmlWidget(QWidget* parent)
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: QAbstractScrollArea(parent)
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, d(new QLiteHtmlWidgetPrivate)
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QLiteHtmlWidget::QLiteHtmlWidget(QWidget *parent)
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: QAbstractScrollArea(parent)
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, d(new QLiteHtmlWidgetPrivate)
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{
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setMouseTracking(true);
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horizontalScrollBar()->setSingleStep(kScrollBarStep);
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verticalScrollBar()->setSingleStep(kScrollBarStep);
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setMouseTracking(true);
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horizontalScrollBar()->setSingleStep(kScrollBarStep);
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verticalScrollBar()->setSingleStep(kScrollBarStep);
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d->documentContainer.setCursorCallback([this](const QCursor& c) {
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viewport()->setCursor(c);
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});
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d->documentContainer.setPaletteCallback([this] {
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return palette();
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});
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d->documentContainer.setLinkCallback([this](const QUrl& url) {
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QUrl fullUrl = url;
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if (url.isRelative() && url.path(QUrl::FullyEncoded).isEmpty()) { // fragment/anchor only
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fullUrl = d->url;
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fullUrl.setFragment(url.fragment(QUrl::FullyEncoded));
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}
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d->documentContainer.setCursorCallback([this](const QCursor &c) { viewport()->setCursor(c); });
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d->documentContainer.setPaletteCallback([this] { return palette(); });
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d->documentContainer.setLinkCallback([this](const QUrl &url) {
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QUrl fullUrl = url;
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if (url.isRelative() && url.path(QUrl::FullyEncoded).isEmpty()) { // fragment/anchor only
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fullUrl = d->url;
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fullUrl.setFragment(url.fragment(QUrl::FullyEncoded));
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}
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// delay because document may not be changed directly during this callback
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QMetaObject::invokeMethod(this, [this, fullUrl] { emit linkClicked(fullUrl); },
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Qt::QueuedConnection);
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});
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d->documentContainer.setClipboardCallback([this](bool yes) { emit copyAvailable(yes); });
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// delay because document may not be changed directly during this callback
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QMetaObject::invokeMethod(this, [this, fullUrl] {
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emit linkClicked(fullUrl);
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},
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Qt::QueuedConnection);
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});
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d->documentContainer.setClipboardCallback([this](bool yes) {
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emit copyAvailable(yes);
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});
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// TODO adapt mastercss to palette (default text & background color)
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d->context.setMasterStyleSheet(mastercss);
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// TODO adapt mastercss to palette (default text & background color)
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d->context.setMasterStyleSheet(mastercss);
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}
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QLiteHtmlWidget::~QLiteHtmlWidget()
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{
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delete d;
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delete d;
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}
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void QLiteHtmlWidget::setUrl(const QUrl& url)
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void QLiteHtmlWidget::setUrl(const QUrl &url)
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{
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d->url = url;
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QUrl baseUrl = url;
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baseUrl.setFragment({});
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const QString path = baseUrl.path(QUrl::FullyEncoded);
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const int lastSlash = path.lastIndexOf('/');
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const QString basePath = lastSlash >= 0 ? path.left(lastSlash) : QString();
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baseUrl.setPath(basePath);
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d->documentContainer.setBaseUrl(baseUrl.toString(QUrl::FullyEncoded));
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QMetaObject::invokeMethod(this, [this] {
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updateHightlightedLink();
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},
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Qt::QueuedConnection);
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d->url = url;
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QUrl baseUrl = url;
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baseUrl.setFragment({});
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const QString path = baseUrl.path(QUrl::FullyEncoded);
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const int lastSlash = path.lastIndexOf('/');
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const QString basePath = lastSlash >= 0 ? path.left(lastSlash) : QString();
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baseUrl.setPath(basePath);
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d->documentContainer.setBaseUrl(baseUrl.toString(QUrl::FullyEncoded));
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QMetaObject::invokeMethod(this, [this] { updateHightlightedLink(); },
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Qt::QueuedConnection);
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}
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QUrl QLiteHtmlWidget::url() const
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{
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return d->url;
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return d->url;
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}
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void QLiteHtmlWidget::setHtml(const QString& content)
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void QLiteHtmlWidget::setHtml(const QString &content)
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{
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d->html = content;
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d->documentContainer.setPaintDevice(viewport());
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d->documentContainer.setDocument(content.toUtf8(), &d->context);
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verticalScrollBar()->setValue(0);
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horizontalScrollBar()->setValue(0);
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render();
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QMetaObject::invokeMethod(this, [this] {
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updateHightlightedLink();
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},
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Qt::QueuedConnection);
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d->html = content;
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d->documentContainer.setPaintDevice(viewport());
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d->documentContainer.setDocument(content.toUtf8(), &d->context);
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verticalScrollBar()->setValue(0);
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horizontalScrollBar()->setValue(0);
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render();
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QMetaObject::invokeMethod(this, [this] { updateHightlightedLink(); },
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Qt::QueuedConnection);
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}
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QString QLiteHtmlWidget::html() const
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{
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return d->html;
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return d->html;
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}
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QString QLiteHtmlWidget::title() const
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{
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return d->documentContainer.caption();
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return d->documentContainer.caption();
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}
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void QLiteHtmlWidget::setZoomFactor(qreal scale)
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{
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Q_ASSERT(scale != 0);
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d->zoomFactor = scale;
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withFixedTextPosition([this] {
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render();
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});
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Q_ASSERT(scale != 0);
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d->zoomFactor = scale;
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withFixedTextPosition([this] { render(); });
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}
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qreal QLiteHtmlWidget::zoomFactor() const
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{
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return d->zoomFactor;
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return d->zoomFactor;
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}
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bool QLiteHtmlWidget::findText(const QString& text,
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bool QLiteHtmlWidget::findText(const QString &text,
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QTextDocument::FindFlags flags,
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bool incremental,
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bool* wrapped)
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bool *wrapped)
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{
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bool success = false;
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QVector<QRect> oldSelection;
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QVector<QRect> newSelection;
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d->documentContainer
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.findText(text, flags, incremental, wrapped, &success, &oldSelection, &newSelection);
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// scroll to search result position and/or redraw as necessary
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QRect newSelectionCombined;
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for (const QRect& r : qAsConst(newSelection))
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newSelectionCombined = newSelectionCombined.united(r);
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QScrollBar* vBar = verticalScrollBar();
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const int top = newSelectionCombined.top();
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const int bottom = newSelectionCombined.bottom() - toVirtual(viewport()->size()).height();
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if (success && top < vBar->value() && vBar->minimum() <= top) {
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vBar->setValue(top);
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}
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else if (success && vBar->value() < bottom && bottom <= vBar->maximum()) {
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vBar->setValue(bottom);
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}
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else {
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viewport()->update(fromVirtual(newSelectionCombined.translated(-scrollPosition())));
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for (const QRect& r : qAsConst(oldSelection))
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viewport()->update(fromVirtual(r.translated(-scrollPosition())));
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}
|
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return success;
|
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bool success = false;
|
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QVector<QRect> oldSelection;
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QVector<QRect> newSelection;
|
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d->documentContainer
|
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.findText(text, flags, incremental, wrapped, &success, &oldSelection, &newSelection);
|
||||
// scroll to search result position and/or redraw as necessary
|
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QRect newSelectionCombined;
|
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for (const QRect &r : qAsConst(newSelection))
|
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newSelectionCombined = newSelectionCombined.united(r);
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QScrollBar *vBar = verticalScrollBar();
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const int top = newSelectionCombined.top();
|
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const int bottom = newSelectionCombined.bottom() - toVirtual(viewport()->size()).height();
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if (success && top < vBar->value() && vBar->minimum() <= top) {
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vBar->setValue(top);
|
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} else if (success && vBar->value() < bottom && bottom <= vBar->maximum()) {
|
||||
vBar->setValue(bottom);
|
||||
} else {
|
||||
viewport()->update(fromVirtual(newSelectionCombined.translated(-scrollPosition())));
|
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for (const QRect &r : qAsConst(oldSelection))
|
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viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
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}
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return success;
|
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}
|
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|
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void QLiteHtmlWidget::setDefaultFont(const QFont& font)
|
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void QLiteHtmlWidget::setDefaultFont(const QFont &font)
|
||||
{
|
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withFixedTextPosition([this, &font] {
|
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d->documentContainer.setDefaultFont(font);
|
||||
render();
|
||||
});
|
||||
withFixedTextPosition([this, &font] {
|
||||
d->documentContainer.setDefaultFont(font);
|
||||
render();
|
||||
});
|
||||
}
|
||||
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QFont QLiteHtmlWidget::defaultFont() const
|
||||
{
|
||||
return d->documentContainer.defaultFont();
|
||||
return d->documentContainer.defaultFont();
|
||||
}
|
||||
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void QLiteHtmlWidget::scrollToAnchor(const QString& name)
|
||||
void QLiteHtmlWidget::scrollToAnchor(const QString &name)
|
||||
{
|
||||
if (!d->documentContainer.hasDocument())
|
||||
return;
|
||||
|
||||
horizontalScrollBar()->setValue(0);
|
||||
if (name.isEmpty()) {
|
||||
verticalScrollBar()->setValue(0);
|
||||
return;
|
||||
}
|
||||
|
||||
const int y = d->documentContainer.anchorY(name);
|
||||
|
||||
if (y >= 0)
|
||||
verticalScrollBar()->setValue(std::min(y, verticalScrollBar()->maximum()));
|
||||
if (!d->documentContainer.hasDocument())
|
||||
return;
|
||||
horizontalScrollBar()->setValue(0);
|
||||
if (name.isEmpty()) {
|
||||
verticalScrollBar()->setValue(0);
|
||||
return;
|
||||
}
|
||||
const int y = d->documentContainer.anchorY(name);
|
||||
if (y >= 0)
|
||||
verticalScrollBar()->setValue(std::min(y, verticalScrollBar()->maximum()));
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::setResourceHandler(const QLiteHtmlWidget::ResourceHandler& handler)
|
||||
void QLiteHtmlWidget::setResourceHandler(const QLiteHtmlWidget::ResourceHandler &handler)
|
||||
{
|
||||
d->documentContainer.setDataCallback(handler);
|
||||
d->documentContainer.setDataCallback(handler);
|
||||
}
|
||||
|
||||
QString QLiteHtmlWidget::selectedText() const
|
||||
{
|
||||
return d->documentContainer.selectedText();
|
||||
return d->documentContainer.selectedText();
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::paintEvent(QPaintEvent* event)
|
||||
void QLiteHtmlWidget::paintEvent(QPaintEvent *event)
|
||||
{
|
||||
if (!d->documentContainer.hasDocument())
|
||||
return;
|
||||
|
||||
d->documentContainer.setScrollPosition(scrollPosition());
|
||||
QPainter p(viewport());
|
||||
|
||||
p.setWorldTransform(QTransform().scale(d->zoomFactor, d->zoomFactor));
|
||||
p.setRenderHint(QPainter::SmoothPixmapTransform, true);
|
||||
p.setRenderHint(QPainter::Antialiasing, true);
|
||||
d->documentContainer.draw(&p, toVirtual(event->rect()));
|
||||
if (!d->documentContainer.hasDocument())
|
||||
return;
|
||||
d->documentContainer.setScrollPosition(scrollPosition());
|
||||
QPainter p(viewport());
|
||||
p.setWorldTransform(QTransform().scale(d->zoomFactor, d->zoomFactor));
|
||||
p.setRenderHint(QPainter::SmoothPixmapTransform, true);
|
||||
p.setRenderHint(QPainter::Antialiasing, true);
|
||||
d->documentContainer.draw(&p, toVirtual(event->rect()));
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::resizeEvent(QResizeEvent* event)
|
||||
void QLiteHtmlWidget::resizeEvent(QResizeEvent *event)
|
||||
{
|
||||
withFixedTextPosition([this, event] {
|
||||
QAbstractScrollArea::resizeEvent(event);
|
||||
render();
|
||||
});
|
||||
withFixedTextPosition([this, event] {
|
||||
QAbstractScrollArea::resizeEvent(event);
|
||||
render();
|
||||
});
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::mouseMoveEvent(QMouseEvent* event)
|
||||
void QLiteHtmlWidget::mouseMoveEvent(QMouseEvent *event)
|
||||
{
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
const QVector<QRect> areas = d->documentContainer.mouseMoveEvent(pos, viewportPos);
|
||||
for (const QRect &r : areas)
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
const QVector<QRect> areas = d->documentContainer.mouseMoveEvent(pos, viewportPos);
|
||||
|
||||
for (const QRect& r : areas)
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
|
||||
updateHightlightedLink();
|
||||
updateHightlightedLink();
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::mousePressEvent(QMouseEvent* event)
|
||||
void QLiteHtmlWidget::mousePressEvent(QMouseEvent *event)
|
||||
{
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
const QVector<QRect> areas = d->documentContainer.mousePressEvent(pos, viewportPos, event->button());
|
||||
|
||||
for (const QRect& r : areas)
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
const QVector<QRect> areas = d->documentContainer.mousePressEvent(pos, viewportPos, event->button());
|
||||
for (const QRect &r : areas)
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::mouseReleaseEvent(QMouseEvent* event)
|
||||
void QLiteHtmlWidget::mouseReleaseEvent(QMouseEvent *event)
|
||||
{
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
const QVector<QRect> areas = d->documentContainer.mouseReleaseEvent(pos, viewportPos, event->button());
|
||||
|
||||
for (const QRect& r : areas)
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
const QVector<QRect> areas = d->documentContainer.mouseReleaseEvent(pos, viewportPos, event->button());
|
||||
for (const QRect &r : areas)
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::mouseDoubleClickEvent(QMouseEvent* event)
|
||||
void QLiteHtmlWidget::mouseDoubleClickEvent(QMouseEvent *event)
|
||||
{
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
const QVector<QRect> areas = d->documentContainer.mouseDoubleClickEvent(pos, viewportPos, event->button());
|
||||
|
||||
for (const QRect& r : areas) {
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
}
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
const QVector<QRect> areas = d->documentContainer.mouseDoubleClickEvent(pos, viewportPos, event->button());
|
||||
for (const QRect &r : areas) {
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
}
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::leaveEvent(QEvent* event)
|
||||
void QLiteHtmlWidget::leaveEvent(QEvent *event)
|
||||
{
|
||||
Q_UNUSED(event)
|
||||
const QVector<QRect> areas = d->documentContainer.leaveEvent();
|
||||
|
||||
for (const QRect& r : areas)
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
|
||||
setHightlightedLink(QUrl());
|
||||
Q_UNUSED(event)
|
||||
const QVector<QRect> areas = d->documentContainer.leaveEvent();
|
||||
for (const QRect &r : areas)
|
||||
viewport()->update(fromVirtual(r.translated(-scrollPosition())));
|
||||
setHightlightedLink(QUrl());
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::contextMenuEvent(QContextMenuEvent* event)
|
||||
void QLiteHtmlWidget::contextMenuEvent(QContextMenuEvent *event)
|
||||
{
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
emit contextMenuRequested(event->pos(), d->documentContainer.linkAt(pos, viewportPos));
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
htmlPos(event->pos(), &viewportPos, &pos);
|
||||
emit contextMenuRequested(event->pos(), d->documentContainer.linkAt(pos, viewportPos));
|
||||
}
|
||||
|
||||
static QAbstractSlider::SliderAction getSliderAction(int key)
|
||||
{
|
||||
if (key == Qt::Key_Home)
|
||||
return QAbstractSlider::SliderToMinimum;
|
||||
|
||||
if (key == Qt::Key_End)
|
||||
return QAbstractSlider::SliderToMaximum;
|
||||
|
||||
if (key == Qt::Key_PageUp)
|
||||
return QAbstractSlider::SliderPageStepSub;
|
||||
|
||||
if (key == Qt::Key_PageDown)
|
||||
return QAbstractSlider::SliderPageStepAdd;
|
||||
|
||||
return QAbstractSlider::SliderNoAction;
|
||||
if (key == Qt::Key_Home)
|
||||
return QAbstractSlider::SliderToMinimum;
|
||||
if (key == Qt::Key_End)
|
||||
return QAbstractSlider::SliderToMaximum;
|
||||
if (key == Qt::Key_PageUp)
|
||||
return QAbstractSlider::SliderPageStepSub;
|
||||
if (key == Qt::Key_PageDown)
|
||||
return QAbstractSlider::SliderPageStepAdd;
|
||||
return QAbstractSlider::SliderNoAction;
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::keyPressEvent(QKeyEvent* event)
|
||||
void QLiteHtmlWidget::keyPressEvent(QKeyEvent *event)
|
||||
{
|
||||
if (event->modifiers() == Qt::NoModifier || event->modifiers() == Qt::KeypadModifier) {
|
||||
const QAbstractSlider::SliderAction sliderAction = getSliderAction(event->key());
|
||||
|
||||
if (sliderAction != QAbstractSlider::SliderNoAction) {
|
||||
verticalScrollBar()->triggerAction(sliderAction);
|
||||
event->accept();
|
||||
if (event->modifiers() == Qt::NoModifier || event->modifiers() == Qt::KeypadModifier) {
|
||||
const QAbstractSlider::SliderAction sliderAction = getSliderAction(event->key());
|
||||
if (sliderAction != QAbstractSlider::SliderNoAction) {
|
||||
verticalScrollBar()->triggerAction(sliderAction);
|
||||
event->accept();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
QAbstractScrollArea::keyPressEvent(event);
|
||||
QAbstractScrollArea::keyPressEvent(event);
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::updateHightlightedLink()
|
||||
{
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
|
||||
htmlPos(mapFromGlobal(QCursor::pos()), &viewportPos, &pos);
|
||||
setHightlightedLink(d->documentContainer.linkAt(pos, viewportPos));
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
htmlPos(mapFromGlobal(QCursor::pos()), &viewportPos, &pos);
|
||||
setHightlightedLink(d->documentContainer.linkAt(pos, viewportPos));
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::setHightlightedLink(const QUrl& url)
|
||||
void QLiteHtmlWidget::setHightlightedLink(const QUrl &url)
|
||||
{
|
||||
if (d->lastHighlightedLink == url)
|
||||
return;
|
||||
|
||||
d->lastHighlightedLink = url;
|
||||
emit linkHighlighted(d->lastHighlightedLink);
|
||||
if (d->lastHighlightedLink == url)
|
||||
return;
|
||||
d->lastHighlightedLink = url;
|
||||
emit linkHighlighted(d->lastHighlightedLink);
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::withFixedTextPosition(const std::function<void()>& action)
|
||||
void QLiteHtmlWidget::withFixedTextPosition(const std::function<void()> &action)
|
||||
{
|
||||
// remember element to which to scroll after re-rendering
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
|
||||
htmlPos({}, &viewportPos, &pos); // top-left
|
||||
const int y = d->documentContainer.withFixedElementPosition(pos.y(), action);
|
||||
|
||||
if (y >= 0)
|
||||
verticalScrollBar()->setValue(std::min(y, verticalScrollBar()->maximum()));
|
||||
// remember element to which to scroll after re-rendering
|
||||
QPoint viewportPos;
|
||||
QPoint pos;
|
||||
htmlPos({}, &viewportPos, &pos); // top-left
|
||||
const int y = d->documentContainer.withFixedElementPosition(pos.y(), action);
|
||||
if (y >= 0)
|
||||
verticalScrollBar()->setValue(std::min(y, verticalScrollBar()->maximum()));
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::render()
|
||||
{
|
||||
if (!d->documentContainer.hasDocument())
|
||||
return;
|
||||
|
||||
const int fullWidth = width() / d->zoomFactor;
|
||||
const QSize vViewportSize = toVirtual(viewport()->size());
|
||||
const int scrollbarWidth = style()->pixelMetric(QStyle::PM_ScrollBarExtent, nullptr, this);
|
||||
const int w = fullWidth - scrollbarWidth - 2;
|
||||
|
||||
d->documentContainer.render(w, vViewportSize.height());
|
||||
|
||||
// scroll bars reflect virtual/scaled size of html document
|
||||
horizontalScrollBar()->setPageStep(vViewportSize.width());
|
||||
horizontalScrollBar()->setRange(0, std::max(0, d->documentContainer.documentWidth() - w));
|
||||
verticalScrollBar()->setPageStep(vViewportSize.height());
|
||||
verticalScrollBar()
|
||||
->setRange(0, std::max(0, d->documentContainer.documentHeight() - vViewportSize.height()));
|
||||
viewport()->update();
|
||||
if (!d->documentContainer.hasDocument())
|
||||
return;
|
||||
const int fullWidth = width() / d->zoomFactor;
|
||||
const QSize vViewportSize = toVirtual(viewport()->size());
|
||||
const int scrollbarWidth = style()->pixelMetric(QStyle::PM_ScrollBarExtent, nullptr, this);
|
||||
const int w = fullWidth - scrollbarWidth - 2;
|
||||
d->documentContainer.render(w, vViewportSize.height());
|
||||
// scroll bars reflect virtual/scaled size of html document
|
||||
horizontalScrollBar()->setPageStep(vViewportSize.width());
|
||||
horizontalScrollBar()->setRange(0, std::max(0, d->documentContainer.documentWidth() - w));
|
||||
verticalScrollBar()->setPageStep(vViewportSize.height());
|
||||
verticalScrollBar()
|
||||
->setRange(0, std::max(0, d->documentContainer.documentHeight() - vViewportSize.height()));
|
||||
viewport()->update();
|
||||
}
|
||||
|
||||
QPoint QLiteHtmlWidget::scrollPosition() const
|
||||
{
|
||||
return { horizontalScrollBar()->value(), verticalScrollBar()->value() };
|
||||
return {horizontalScrollBar()->value(), verticalScrollBar()->value()};
|
||||
}
|
||||
|
||||
void QLiteHtmlWidget::htmlPos(const QPoint& pos, QPoint* viewportPos, QPoint* htmlPos) const
|
||||
void QLiteHtmlWidget::htmlPos(const QPoint &pos, QPoint *viewportPos, QPoint *htmlPos) const
|
||||
{
|
||||
*viewportPos = toVirtual(viewport()->mapFromParent(pos));
|
||||
*htmlPos = *viewportPos + scrollPosition();
|
||||
*viewportPos = toVirtual(viewport()->mapFromParent(pos));
|
||||
*htmlPos = *viewportPos + scrollPosition();
|
||||
}
|
||||
|
||||
QPoint QLiteHtmlWidget::toVirtual(const QPoint& p) const
|
||||
QPoint QLiteHtmlWidget::toVirtual(const QPoint &p) const
|
||||
{
|
||||
return { int(p.x() / d->zoomFactor), int(p.y() / d->zoomFactor) };
|
||||
return {int(p.x() / d->zoomFactor), int(p.y() / d->zoomFactor)};
|
||||
}
|
||||
|
||||
QSize QLiteHtmlWidget::toVirtual(const QSize& s) const
|
||||
QSize QLiteHtmlWidget::toVirtual(const QSize &s) const
|
||||
{
|
||||
return { int(s.width() / d->zoomFactor), int(s.height() / d->zoomFactor) };
|
||||
return {int(s.width() / d->zoomFactor), int(s.height() / d->zoomFactor)};
|
||||
}
|
||||
|
||||
QRect QLiteHtmlWidget::toVirtual(const QRect& r) const
|
||||
QRect QLiteHtmlWidget::toVirtual(const QRect &r) const
|
||||
{
|
||||
return { toVirtual(r.topLeft()), toVirtual(r.size()) };
|
||||
return {toVirtual(r.topLeft()), toVirtual(r.size())};
|
||||
}
|
||||
|
||||
QRect QLiteHtmlWidget::fromVirtual(const QRect& r) const
|
||||
QRect QLiteHtmlWidget::fromVirtual(const QRect &r) const
|
||||
{
|
||||
const QPoint tl{ int(r.x() * d->zoomFactor), int(r.y() * d->zoomFactor) };
|
||||
|
||||
// round size up, and add one since the topleft point was rounded down
|
||||
const QSize s{ int(r.width() * d->zoomFactor + 0.5) + 1,
|
||||
int(r.height() * d->zoomFactor + 0.5) + 1 };
|
||||
|
||||
return { tl, s };
|
||||
const QPoint tl{int(r.x() * d->zoomFactor), int(r.y() * d->zoomFactor)};
|
||||
// round size up, and add one since the topleft point was rounded down
|
||||
const QSize s{int(r.width() * d->zoomFactor + 0.5) + 1,
|
||||
int(r.height() * d->zoomFactor + 0.5) + 1};
|
||||
return {tl, s};
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user