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(svn r16467) -Codechange: Unduplicate setting of widget focus (with thanks to Smatz).

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alberth
2009-05-30 12:41:53 +00:00
parent c9e3d041fb
commit 3e78641156
2 changed files with 13 additions and 14 deletions
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18
src/window_gui.h
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@@ -266,16 +266,20 @@ public:
/**
* 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.
*/
inline void SetFocusedWidget(byte widget_index)
inline bool SetFocusedWidget(byte widget_index)
{
if (widget_index < this->widget_count) {
/* Repaint the widget that lost focus. A focused edit box may else leave the caret on the screen. */
if (this->focused_widget != NULL && this->focused_widget - this->widget != widget_index) {
this->InvalidateWidget(this->focused_widget - this->widget);
}
this->focused_widget = &this->widget[widget_index];
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;
}
/**