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iconGrid: Add alignment parameter

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Currently the grid's content is centered, which is not appropriate
for all use cases. Add an optional parameter to control the alignment.

https://bugzilla.gnome.org/show_bug.cgi?id=632147
This commit is contained in:
Florian Müllner 2010-10-14 14:27:22 +02:00
parent ba0a038247
commit 627f1cb59a
1 changed files with 17 additions and 4 deletions
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21
js/ui/iconGrid.js
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@ -135,9 +135,12 @@ function IconGrid(params) {
IconGrid.prototype = { IconGrid.prototype = {
_init: function(params) { _init: function(params) {
params = Params.parse(params, { rowLimit: null, columnLimit: null }); params = Params.parse(params, { rowLimit: null,
columnLimit: null,
xAlign: St.Align.MIDDLE });
this._rowLimit = params.rowLimit; this._rowLimit = params.rowLimit;
this._colLimit = params.columnLimit; this._colLimit = params.columnLimit;
this._xAlign = params.xAlign;
this.actor = new St.BoxLayout({ style_class: 'icon-grid', this.actor = new St.BoxLayout({ style_class: 'icon-grid',
vertical: true }); vertical: true });
@ -189,9 +192,19 @@ IconGrid.prototype = {
let [nColumns, usedWidth] = this._computeLayout(availWidth); let [nColumns, usedWidth] = this._computeLayout(availWidth);
let overallPaddingX = Math.floor((availWidth - usedWidth) / 2); let leftPadding;
switch(this._xAlign) {
case St.Align.START:
leftPadding = 0;
break;
case St.Align.MIDDLE:
leftPadding = Math.floor((availWidth - usedWidth) / 2);
break;
case St.Align.END:
leftPadding = availWidth - usedWidth;
}
let x = box.x1 + overallPaddingX; let x = box.x1 + leftPadding;
let y = box.y1; let y = box.y1;
let columnIndex = 0; let columnIndex = 0;
let rowIndex = 0; let rowIndex = 0;
@ -231,7 +244,7 @@ IconGrid.prototype = {
if (columnIndex == 0) { if (columnIndex == 0) {
y += this._item_size + this._spacing; y += this._item_size + this._spacing;
x = box.x1 + overallPaddingX; x = box.x1 + leftPadding;
} else { } else {
x += this._item_size + this._spacing; x += this._item_size + this._spacing;
} }