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Add example of coordinate conversion

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This commit is contained in:
James Turner 2023-01-05 14:28:20 +00:00
parent df43cb2554
commit 333321556f
1 changed files with 14 additions and 0 deletions
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14
Nasal/canvas/gui/dialogs/WidgetsFactoryDialog.nas
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@ -51,6 +51,20 @@ var WidgetsFactoryDialog = {
.setFixedSize(128, 128);
m.tab_2.addItem(m.image);
m.image._view._root.addEventListener("mousedown", func (e) {
logprint(LOG_INFO, "Image was clicked at:" ~ e.localX ~ "," ~ e.localY);
logprint(LOG_INFO, "Client pos:" ~ e.clientX ~ "," ~ e.clientY);
logprint(LOG_INFO, "Screen pos:" ~ e.screenX ~ "," ~ e.screenY);
var img = m.image._view._root;
var localPos = [e.localX, e.localY];
var canvasPos = img.localToCanvas(localPos);
logprint(LOG_INFO, "computed canvasPos pos:" ~ canvasPos[0] ~ "," ~ canvasPos[1]);
var screenPos = m.window.toScreenPosition(canvasPos);
logprint(LOG_INFO, "computed screen pos:" ~ screenPos[0] ~ "," ~ screenPos[1]);
});
m.checkable_button = gui.widgets.Button.new(m.tabsContent, style, {})
.setCheckable(1)