Auto iterate through configuration inputs

Allows user to map all inputs seamlessly without having to
click on each button.
Also increased button timeout to 5 seconds from 1.5 due to pita.

Motion controls are not included since they will be special cases.

Source/Core/DolphinWX/InputConfigDiag.cpp

@@ -521,18 +521,34 @@ void ControlDialog::DetectControl(wxCommandEvent& event)
 void GamepadPage::DetectControl(wxCommandEvent& event)
 {
 	ControlButton* btn = (ControlButton*)event.GetEventObject();
+	if (DetectButton(btn))
+	{
+		auto it = std::find(control_buttons.begin(), control_buttons.end(), btn);
 
+		// std find will never return end since btn will always be found in control_buttons
+		++it;
+		for (; it != control_buttons.end(); ++it)
+		{
+			if (!DetectButton(*it))
+				break;
+		}
+	}
+}
+
+bool GamepadPage::DetectButton(ControlButton* button)
+{
+	bool success = false;
 	// find device :/
 	Device* const dev = g_controller_interface.FindDevice(controller->default_device);
 	if (dev)
 	{
-		btn->SetLabel(_("[ waiting ]"));
+		button->SetLabel(_("[ waiting ]"));
 
 		// This makes the "waiting" text work on Linux. true (only if needed) prevents crash on Windows
 		wxTheApp->Yield(true);
 
 		std::lock_guard<std::recursive_mutex> lk(m_config.controls_lock);
-		Device::Control* const ctrl = btn->control_reference->Detect(DETECT_WAIT_TIME, dev);
+		Device::Control* const ctrl = button->control_reference->Detect(DETECT_WAIT_TIME, dev);
 
 		// if we got input, update expression and reference
 		if (ctrl)
@@ -540,12 +556,15 @@ void GamepadPage::DetectControl(wxCommandEvent& event)
 			wxString control_name = ctrl->GetName();
 			wxString expr;
 			GetExpressionForControl(expr, control_name);
-			btn->control_reference->expression = expr;
+			button->control_reference->expression = expr;
-			g_controller_interface.UpdateReference(btn->control_reference, controller->default_device);
+			g_controller_interface.UpdateReference(button->control_reference, controller->default_device);
+			success = true;
 		}
 	}
 
 	UpdateGUI();
+
+	return success;
 }
 
 wxStaticBoxSizer* ControlDialog::CreateControlChooser(GamepadPage* const parent)
@@ -740,6 +759,8 @@ ControlGroupBox::ControlGroupBox(ControllerEmu::ControlGroup* const group, wxWin
 	, control_group(group)
 {
 	static_bitmap = nullptr;
+	const std::vector<std::string> exclude_buttons = {"Mic", "Modifier"};
+	const std::vector<std::string> exclude_groups = {"IR", "Swing", "Tilt", "Shake", "UDP Wiimote", "Extension", "Rumble"};
 
 	wxFont m_SmallFont(7, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
 	for (auto& control : group->controls)
@@ -750,6 +771,10 @@ ControlGroupBox::ControlGroupBox(ControllerEmu::ControlGroup* const group, wxWin
 		control_button->SetFont(m_SmallFont);
 
 		control_buttons.push_back(control_button);
+		if (std::find(exclude_groups.begin(), exclude_groups.end(), control_group->name) == exclude_groups.end() &&
+		    std::find(exclude_buttons.begin(), exclude_buttons.end(), control->name) == exclude_buttons.end())
+			eventsink->control_buttons.push_back(control_button);
+
 
 		if (control->control_ref->is_input)
 		{

Source/Core/DolphinWX/InputConfigDiag.h

@@ -5,7 +5,7 @@
 #pragma once
 
 #define SLIDER_TICK_COUNT    100
-#define DETECT_WAIT_TIME     1500
+#define DETECT_WAIT_TIME     5000
 #define PREVIEW_UPDATE_TIME  25
 
 // might have to change this setup for wiimote
@@ -203,6 +203,7 @@ public:
 	wxComboBox* device_cbox;
 
 	std::vector<ControlGroupBox*> control_groups;
+	std::vector<ControlButton*>   control_buttons;
 
 protected:
 
@@ -213,6 +214,7 @@ private:
 	ControlDialog*           m_control_dialog;
 	InputConfigDialog* const m_config_dialog;
 	InputConfig& m_config;
+	bool DetectButton(ControlButton* button);
 };
 
 class InputConfigDialog : public wxDialog