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do not compute pageX only to convert it back to clientX

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This commit is contained in:
nightwing 2012-04-17 19:36:31 +04:00
commit 6411152d00
4 changed files with 20 additions and 31 deletions
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16
lib/ace/lib/event.js
View file

@ -87,22 +87,6 @@ exports.preventDefault = function(e) {
e.returnValue = false;
};
exports.getDocumentX = function(e) {
if (e.clientX) {
return e.clientX + dom.getPageScrollLeft();
} else {
return e.pageX;
}
};
exports.getDocumentY = function(e) {
if (e.clientY) {
return e.clientY + dom.getPageScrollTop();
} else {
return e.pageY;
}
};
/*
* @return {Number} 0 for left button, 1 for middle button, 2 for right button
*/

13
lib/ace/mouse/mouse_event.js
View file

@ -48,11 +48,8 @@ var MouseEvent = exports.MouseEvent = function(domEvent, editor) {
this.domEvent = domEvent;
this.editor = editor;
this.pageX = event.getDocumentX(domEvent);
this.pageY = event.getDocumentY(domEvent);
this.clientX = domEvent.clientX;
this.clientY = domEvent.clientY;
this.x = this.clientX = domEvent.clientX;
this.y = this.clientY = domEvent.clientY;
this.$pos = null;
this.$inSelection = null;
@ -86,10 +83,8 @@ var MouseEvent = exports.MouseEvent = function(domEvent, editor) {
this.getDocumentPosition = function() {
if (this.$pos)
return this.$pos;
var pageX = event.getDocumentX(this.domEvent);
var pageY = event.getDocumentY(this.domEvent);
this.$pos = this.editor.renderer.screenToTextCoordinates(pageX, pageY);
this.$pos = this.editor.renderer.screenToTextCoordinates(this.clientX, this.clientY);
return this.$pos;
};

6
lib/ace/mouse/multi_select_handler.js
View file

@ -76,10 +76,10 @@ function onMouseDown(e) {
var inSelection = e.inSelection() || (selection.isEmpty() && isSamePoint(pos, cursor));
var mouseX = e.pageX, mouseY = e.pageY;
var mouseX = e.x, mouseY = e.y;
var onMouseSelection = function(e) {
mouseX = event.getDocumentX(e);
mouseY = event.getDocumentY(e);
mouseX = e.clientX;
mouseY = e.clientY;
};
var blockSelect = function() {

16
lib/ace/virtual_renderer.js
View file

@ -1103,14 +1103,24 @@ var VirtualRenderer = function(container, theme) {
// todo: handle horizontal scrolling
};
this.screenToTextCoordinates = function(pageX, pageY) {
this.pixelToScreenCoordinates = function(x, y) {
var canvasPos = this.scroller.getBoundingClientRect();
var offset = (x + this.scrollLeft - canvasPos.left - this.$padding) / this.characterWidth;
var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);
var col = Math.round(offset);
return {row: row, column: col, side: offset - col};
};
this.screenToTextCoordinates = function(x, y) {
var canvasPos = this.scroller.getBoundingClientRect();
var col = Math.round(
(pageX + this.scrollLeft - canvasPos.left - this.$padding - dom.getPageScrollLeft()) / this.characterWidth
(x + this.scrollLeft - canvasPos.left - this.$padding) / this.characterWidth
);
var row = Math.floor(
(pageY + this.scrollTop - canvasPos.top - dom.getPageScrollTop()) / this.lineHeight
(y + this.scrollTop - canvasPos.top) / this.lineHeight
);
return this.session.screenToDocumentPosition(row, Math.max(col, 0));