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Gui: change dialog_ex text ownership model (#3831)
* Gui: change dialog_ex text ownership model * Gui: change text ownership model part 2 * Examples: fix DialogEx usage in number input * Gui: fix nullptr dereference in DialogEx, proper reset procedure Co-authored-by: hedger <hedger@users.noreply.github.com>
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@@ -13,8 +13,7 @@ static void example_number_input_scene_update_view(void* context) {
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dialog_ex_set_header(dialog_ex, "The number is", 64, 0, AlignCenter, AlignTop);
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static char buffer[12]; //needs static for extended lifetime
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char buffer[12] = {};
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snprintf(buffer, sizeof(buffer), "%ld", app->current_number);
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dialog_ex_set_text(dialog_ex, buffer, 64, 29, AlignCenter, AlignCenter);
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