touch to pop splash (#2260)

* touch to pop

* debug

* have to add another var

* works but since touch screen is laggy, it's tricky

* tune to single touch

* remove debug things

* safer with sleep

* textual

* @HTotoo resolved the sleep issue

* use pop handler in another place (button)

firmware/application/ui_navigation.cpp

@@ -996,11 +996,12 @@ void BMPView::focus() {
     button_done.focus();
 }
 
-BMPView::BMPView(NavigationView& nav) {
+BMPView::BMPView(NavigationView& nav)
+    : nav_(nav) {
     add_children({&button_done});
 
-    button_done.on_select = [this, &nav](Button&) {
-        nav.pop();
+    button_done.on_select = [this](Button&) {
+        handle_pop();
     };
 }
 
@@ -1009,6 +1010,36 @@ void BMPView::paint(Painter&) {
         portapack::display.drawBMP({(240 - 230) / 2, (320 - 50) / 2 - 10}, splash_bmp, true);
 }
 
+bool BMPView::on_touch(const TouchEvent event) {
+    /* the event thing were resolved by HTotoo, talked here https://discord.com/channels/719669764804444213/956561375155589192/1287756910950486027
+     * the touch screen policy can be better, talked here https://discord.com/channels/719669764804444213/956561375155589192/1198926225897443328
+     */
+
+    if (!nav_.is_valid()) {
+        return false;
+    }
+
+    switch (event.type) {
+        case TouchEvent::Type::Start:
+            return true;
+
+        case TouchEvent::Type::End:
+            handle_pop();
+            return true;
+
+        default:
+            break;
+    }
+
+    return false;
+}
+
+void BMPView::handle_pop() {
+    if (nav_.is_valid()) {
+        nav_.pop();
+    }
+}
+
 /* NotImplementedView ****************************************************/
 
 /*NotImplementedView::NotImplementedView(NavigationView& nav) {

firmware/application/ui_navigation.hpp

@@ -343,7 +343,11 @@ class BMPView : public View {
     void paint(Painter&) override;
     void focus() override;
 
+    bool on_touch(const TouchEvent event) override;
+    void handle_pop();
+
    private:
+    NavigationView& nav_;
     Button button_done{
         {240, 0, 1, 1},
         ""};