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* More experimental cursor positioning

This commit is contained in:
Bryan Ashby 2015-05-26 22:57:34 -06:00
parent d83e8e1b55
commit d9ea295859
1 changed files with 33 additions and 6 deletions
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39
core/multi_line_edit_text_view.js
View File

@ -236,20 +236,44 @@ function MultiLineEditTextView(options) {
}; };
this.getCharAtCursorPosition = function() {
var pos = self.getTextBufferPosition(self.cursorPos.row, self.cursorPos.col);
return self.textBuffer.get(pos);
};
this.cursorUp = function() { this.cursorUp = function() {
if(self.cursorPos.row > 0) { if(self.cursorPos.row > 0) {
self.cursorPos.row--; self.cursorPos.row--;
console.log(self.textBuffer.asArray().join('').slice(self.getTextBufferPosition(self.cursorPos.row, 0), 1));
} else if(self.topLineIndex > 0) { } else if(self.topLineIndex > 0) {
// :TODO: scroll // :TODO: scroll
} }
// :TODO: if there is text @ cursor y position we're ok, otherwise, // :TODO: if there is text @ cursor y position we're ok, otherwise,
// jump to the end of the line // jump to the end of the line
}; };
this.cursorRight = function() {
var max = Math.min(self.dimens.width, self.renderBuffer[self.cursorPos.row].length);
if(self.cursorPos.col < max) {
self.cursorPos.col++;
} else {
}
};
this.cursorLeft = function() {
if(self.cursorPos.col > 0) {
self.cursorPos.col--;
} else {
if(self.cursorPos.row > 0) {
self.cursorPos.row--;
self.cursorPos.col = self.renderBuffer[self.cursorPos.row].length;
}
//self.cursorUp();
}
};
this.getLineIndex = function() { this.getLineIndex = function() {
return self.topLineIndex + self.cursorPos.row; return self.topLineIndex + self.cursorPos.row;
}; };
@ -298,7 +322,8 @@ MultiLineEditTextView.prototype.setText = function(text) {
for(var i = idx; i < idx + 4; ++i) { for(var i = idx; i < idx + 4; ++i) {
console.log(i + ' = "' + this.textBuffer.asArray()[i] + '"'); console.log(i + ' = "' + this.textBuffer.asArray()[i] + '"');
} }
this.cursorPos.row = 3; this.cursorPos.row = 15;
this.cursorPos.col = 0;
} }
MultiLineEditTextView.prototype.onSpecialKeyPress = function(keyName) { MultiLineEditTextView.prototype.onSpecialKeyPress = function(keyName) {
@ -307,10 +332,12 @@ MultiLineEditTextView.prototype.onSpecialKeyPress = function(keyName) {
} else if(this.isSpecialKeyMapped('down', keyName)) { } else if(this.isSpecialKeyMapped('down', keyName)) {
} else if(this.isSpecialKeyMapped('left', keyName)) { } else if(this.isSpecialKeyMapped('left', keyName)) {
this.cursorLeft();
} else if(this.isSpecialKeyMapped('right', keyName)) { } else if(this.isSpecialKeyMapped('right', keyName)) {
this.cursorRight();
} }
console.log(this.getCharAtCursorPosition());
MultiLineEditTextView.super_.prototype.onSpecialKeyPress.call(this, keyName); MultiLineEditTextView.super_.prototype.onSpecialKeyPress.call(this, keyName);
} }