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consistent window scrolling in scrollToEditor and jumpToPos

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This commit is contained in:
tophf 2020-12-08 22:54:29 +03:00
parent 9d8f9ec5a2
commit 72330b480b
3 changed files with 15 additions and 17 deletions
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14
edit/codemirror-default.js
View File

@ -144,12 +144,16 @@ define(require => {
jumpToPos(pos, end = pos) {
const {curOp} = this;
if (!curOp) this.startOperation();
const coords = this.cursorCoords(pos, 'window');
const b = this.display.wrapper.getBoundingClientRect();
if (coords.top < Math.max(0, b.top + this.defaultTextHeight() * 2) ||
coords.bottom > Math.min(window.innerHeight, b.bottom - 100)) {
this.scrollIntoView(pos, b.height / 2);
const y = this.cursorCoords(pos, 'window').top;
const rect = this.display.wrapper.getBoundingClientRect();
// case 1) outside of CM viewport or too close to edge so tell CM to render a new viewport
if (y < rect.top + 50 || y > rect.bottom - 100) {
this.scrollIntoView(pos, rect.height / 2);
// case 2) inside CM viewport but outside of window viewport so just scroll the window
} else if (y < 0 || y > innerHeight) {
editor.scrollToEditor(this);
}
// Using prototype since our bookmark patch sets cm.setSelection to jumpToPos
CodeMirror.prototype.setSelection.call(this, pos, end);
if (!curOp) this.endOperation();
},

1
edit/global-search.js
View File

@ -797,7 +797,6 @@ define(require => {
});
if (!cm.curOp) cm.startOperation();
if (!state.firstRun) {
editor.scrollToEditor(cm);
cm.jumpToPos(pos.from, pos.to);
}
// focus or expose as the current search target

17
edit/sections-editor.js
View File

@ -126,17 +126,12 @@ define(require => function SectionsEditor() {
},
scrollToEditor(cm) {
const section = sections.find(s => s.cm === cm).el;
const bounds = section.getBoundingClientRect();
if (
(bounds.bottom > window.innerHeight && bounds.top > 0) ||
(bounds.top < 0 && bounds.bottom < window.innerHeight)
) {
if (bounds.top < 0) {
window.scrollBy(0, bounds.top - 1);
} else {
window.scrollBy(0, bounds.bottom - window.innerHeight + 1);
}
const {el} = sections.find(s => s.cm === cm);
const r = el.getBoundingClientRect();
const h = window.innerHeight;
if (r.bottom > h && r.top > 0 ||
r.bottom < h && r.top < 0) {
window.scrollBy(0, (r.top + r.bottom - h) / 2 | 0);
}
},
});