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@@ -379,8 +379,14 @@ struct NewGRFParametersWindow : public W
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nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
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}
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virtual void OnInvalidateData(int data)
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/**
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* Some data on this window has become invalid.
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* @param data Information about the changed data.
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* @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
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*/
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virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
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{
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if (!gui_scope) return;
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if (!this->action14present) {
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this->SetWidgetDisabledState(GRFPAR_WIDGET_NUMPAR_DEC, this->grf_config->num_params == 0);
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this->SetWidgetDisabledState(GRFPAR_WIDGET_NUMPAR_INC, this->grf_config->num_params >= this->grf_config->num_valid_params);
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@@ -1025,15 +1031,18 @@ struct NewGRFWindow : public QueryString
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}
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/**
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* Calback to update internal data.
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* Some data on this window has become invalid.
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* @param data Information about the changed data.
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* - 0: (optionally) build availables, update button status.
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* - 1: build availables, Add newly found grfs, update button status.
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* - 2: (optionally) build availables, Reset preset, + 3
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* - 3: (optionally) build availables, Update active scrollbar, update button status.
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* - 4: Force a rebuild of the availables, + 2
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* @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
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*/
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virtual void OnInvalidateData(int data = 0)
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virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
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{
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if (!gui_scope) return;
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switch (data) {
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default: NOT_REACHED();
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case 0:
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