loleaflet/src/layer/tile/TileLayer.js | 36 +++++++++++++++++++++++++++++++++-
1 file changed, 35 insertions(+), 1 deletion(-)
New commits:
commit 9287074b75ddba51d59b6c99995227589f21d169
Author: Henry Castro <hcas...@collabora.com>
Date: Tue May 26 20:52:35 2015 -0400
Added cursor visible and invalidate cursor
diff --git a/loleaflet/src/layer/tile/TileLayer.js
b/loleaflet/src/layer/tile/TileLayer.js
index e082883..d43158d 100644
--- a/loleaflet/src/layer/tile/TileLayer.js
+++ b/loleaflet/src/layer/tile/TileLayer.js
@@ -52,6 +52,9 @@ L.TileLayer = L.GridLayer.extend({
this.on('tileunload', this._onTileRemove);
}
this._documentInfo = '';
+ this._cursorVisible = false;
+ this._cursorBounds = null;
+ this._cursorMarker = null;
},
_initDocument: function () {
@@ -136,7 +139,22 @@ L.TileLayer = L.GridLayer.extend({
textMsg = String.fromCharCode.apply(null,
bytes.subarray(0, index + 1));
}
- if (textMsg.startsWith('status')) {
+ if (textMsg.startsWith('cursorvisible')) {
+ var command = textMsg.match('cursorvisible: true');
+ this._cursorVisible = command == undefined ? false :
true;
+ this._onUpdateCursor();
+ }
+ else if (textMsg.startsWith('invalidatecursor')) {
+ strTwips = textMsg.match(/\d+/g);
+ var topLeftTwips = new L.Point(parseInt(strTwips[0]),
parseInt(strTwips[1]));
+ var offset = new L.Point(parseInt(strTwips[2]),
parseInt(strTwips[3]));
+ var bottomRightTwips = topLeftTwips.add(offset);
+ this._cursorBounds = new L.LatLngBounds(
+
this._twipsToLatLng(topLeftTwips),
+
this._twipsToLatLng(bottomRightTwips));
+ this._onUpdateCursor();
+ }
+ else if (textMsg.startsWith('status')) {
var command = this._parseServerCmd(textMsg);
if (command.width && command.height &&
this._documentInfo !== textMsg) {
this._docWidthTwips = command.width;
@@ -523,6 +541,22 @@ L.TileLayer = L.GridLayer.extend({
if (this._cursorMarker) {
this._postKeyboardEvent('input',
e.originalEvent.charCode, e.originalEvent.keyCode);
}
+ },
+
+ _onUpdateCursor: function () {
+ if (this._cursorVisible && this._cursorBounds ) {
+ if (this._cursorMarker)
+ this._map.removeLayer(this._cursorMarker);
+
+ var latlngs =
L.rectangle(this._cursorBounds).getLatLngs();
+ // TODO replace for a blinking cursor image.
+ this._cursorMarker =
L.polyline(latlngs.concat([latlngs[0]]));
+ this._map.addLayer(this._cursorMarker);
+ }
+ else {
+ if (this._cursorMarker)
+ this._map.removeLayer(this._cursorMarker);
+ }
}
});
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