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(svn r17504) -Codechange: un-inlining SetFocusedWidget() as it is not often used.

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alberth
2009-09-11 19:12:05 +00:00
parent e1ae20a307
commit afe190a216
2 changed files with 38 additions and 36 deletions
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36
src/window.cpp
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@@ -139,6 +139,42 @@ bool EditBoxInGlobalFocus()
return _focused_window->focused_widget != NULL && _focused_window->focused_widget->type == WWT_EDITBOX;
}
/**
* Set focus within this window to the given widget. The function however doesn't change which window has focus.
* @param widget_index Index of the widget in the window to set the focus to.
* @return Focus has changed.
*/
bool Window::SetFocusedWidget(byte widget_index)
{
if (this->widget != NULL) {
/* Do nothing if widget_index is already focused, or if it wasn't a valid widget. */
if (widget_index >= this->widget_count || this->widget + widget_index == this->focused_widget) return false;
if (this->focused_widget != NULL) {
/* Repaint the widget that lost focus. A focused edit box may else leave the caret on the screen. */
this->InvalidateWidget(this->focused_widget - this->widget);
}
this->focused_widget = &this->widget[widget_index];
return true;
}
if (this->nested_array != NULL) {
/* Do nothing if widget_index is already focused, or if it wasn't a valid widget. */
if (widget_index >= this->nested_array_size) return false;
assert(this->nested_array[widget_index] != NULL); // Setting focus to a non-existing widget is a bad idea.
if (this->nested_focus != NULL) {
if (this->nested_array[widget_index] == this->nested_focus) return false;
/* Repaint the widget that lost focus. A focused edit box may else leave the caret on the screen. */
this->nested_focus->Invalidate(this);
}
this->nested_focus = this->nested_array[widget_index];
return true;
}
NOT_REACHED();
}
/**
* Sets the enabled/disabled status of a list of widgets.
* By default, widgets are enabled.