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DrawOnYourScreen
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area._stopAll 

* pros: the function is shared and it decreases bugs.
* cons: drawing/writing/transfo are not deleted if unfinished.
This commit is contained in:
abakkk 2020-09-18 19:13:10 +02:00
parent 324c066685
commit eb87714adc
1 changed files with 28 additions and 47 deletions
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75
area.js
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@ -367,7 +367,8 @@ var DrawingArea = new Lang.Class({
} else if (button == 2) {
this.switchFill();
} else if (button == 3) {
this._stopDrawing();
this._stopAll();
this.menu.open(x, y);
return Clutter.EVENT_STOP;
}
@ -376,7 +377,8 @@ var DrawingArea = new Lang.Class({
},
_onKeyboardPopupMenu: function() {
this._stopDrawing();
this._stopAll();
if (this.helper.visible)
this.toggleHelp();
this.menu.popup();
@ -832,6 +834,21 @@ var DrawingArea = new Lang.Class({
});
},
// A priori there is nothing to stop, except transformations, if there is no current element.
// 'force' argument is passed when leaving drawing mode to ensure all is clean, as a workaround for possible bugs.
_stopAll: function(force) {
if (this.grabbedElement)
this._stopTransforming();
if (!this.currentElement && !force)
return;
if (this.isWriting)
this._stopWriting();
this._stopDrawing();
},
erase: function() {
this.deleteLastElement();
this.elements = [];
@ -840,21 +857,8 @@ var DrawingArea = new Lang.Class({
},
deleteLastElement: function() {
if (this.currentElement) {
if (this.motionHandler) {
this.disconnect(this.motionHandler);
this.motionHandler = null;
}
if (this.buttonReleasedHandler) {
this.disconnect(this.buttonReleasedHandler);
this.buttonReleasedHandler = null;
}
if (this.isWriting)
this._stopWriting();
this.currentElement = null;
} else {
this.elements.pop();
}
this._stopAll();
this.elements.pop();
this._redisplay();
},
@ -1085,25 +1089,16 @@ var DrawingArea = new Lang.Class({
this.disconnect(this.keyboardPopupMenuHandler);
this.keyboardPopupMenuHandler = null;
}
if (this.motionHandler) {
this.disconnect(this.motionHandler);
this.motionHandler = null;
}
if (this.buttonReleasedHandler) {
this.disconnect(this.buttonReleasedHandler);
this.buttonReleasedHandler = null;
}
if (this.scrollHandler) {
this.disconnect(this.scrollHandler);
this.scrollHandler = null;
}
this.currentElement = null;
this._stopTextCursorTimeout();
this._stopAll(true);
if (erase)
this.erase();
else
this._redisplay();
this.closeMenu();
this.get_parent().set_background_color(null);
Files.Images.reset();
@ -1143,12 +1138,7 @@ var DrawingArea = new Lang.Class({
},
exportToSvg: function() {
// stop drawing or writing
if (this.currentElement && this.currentElement.shape == Shapes.TEXT && this.isWriting) {
this._stopWriting();
} else if (this.currentElement && this.currentElement.shape != Shapes.TEXT) {
this._stopDrawing();
}
this._stopAll();
let prefixes = 'xmlns="http://www.w3.org/2000/svg"';
if (this.elements.some(element => element.shape == Shapes.IMAGE))
@ -1181,12 +1171,7 @@ var DrawingArea = new Lang.Class({
},
_saveAsJson: function(json, notify, callback) {
// stop drawing or writing
if (this.currentElement && this.currentElement.shape == Shapes.TEXT && this.isWriting) {
this._stopWriting();
} else if (this.currentElement && this.currentElement.shape != Shapes.TEXT) {
this._stopDrawing();
}
this._stopAll();
// do not use "content = JSON.stringify(this.elements, null, 2);", neither "content = JSON.stringify(this.elements);"
// do compromise between disk usage and human readability
@ -1225,12 +1210,8 @@ var DrawingArea = new Lang.Class({
},
_loadJson: function(json, notify) {
// stop drawing or writing
if (this.currentElement && this.currentElement.shape == Shapes.TEXT && this.isWriting) {
this._stopWriting();
} else if (this.currentElement && this.currentElement.shape != Shapes.TEXT) {
this._stopDrawing();
}
this._stopAll();
this.elements = [];
this.currentElement = null;