DolphinWX: Add a progress dialog host command

Allows feedback from backends to be communicated to the user when
long-running operation are performed (e.g. shader compilation).

Source/Android/jni/MainAndroid.cpp

@@ -148,6 +148,10 @@ void Host_YieldToUI()
 {
 }
 
+void Host_UpdateProgressDialog(const char* caption, int position, int total)
+{
+}
+
 static bool MsgAlert(const char* caption, const char* text, bool yes_no, int /*Style*/)
 {
   __android_log_print(ANDROID_LOG_ERROR, DOLPHIN_TAG, "%s:%s", caption, text);

Source/Core/Core/Host.h

@@ -35,6 +35,7 @@ void Host_UpdateMainFrame();
 void Host_UpdateTitle(const std::string& title);
 void Host_ShowVideoConfig(void* parent, const std::string& backend_name);
 void Host_YieldToUI();
+void Host_UpdateProgressDialog(const char* caption, int position, int total);
 
 // TODO (neobrain): Remove this from host!
 void* Host_GetRenderHandle();

Source/Core/DolphinNoGUI/MainNoGUI.cpp

@@ -136,6 +136,10 @@ void Host_YieldToUI()
 {
 }
 
+void Host_UpdateProgressDialog(const char* caption, int position, int total)
+{
+}
+
 #if HAVE_X11
 #include <X11/Xlib.h>
 #include <X11/keysym.h>

Source/Core/DolphinQt2/Host.cpp

@@ -84,6 +84,9 @@ void Host_YieldToUI()
 {
   qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 }
+void Host_UpdateProgressDialog(const char* caption, int position, int total)
+{
+}
 
 // We ignore these, and their purpose should be questioned individually.
 // In particular, RequestRenderWindowSize, RequestFullscreen, and

Source/Core/DolphinWX/Frame.cpp

@@ -20,6 +20,7 @@
 #include <wx/menu.h>
 #include <wx/msgdlg.h>
 #include <wx/panel.h>
+#include <wx/progdlg.h>
 #include <wx/sizer.h>
 #include <wx/statusbr.h>
 #include <wx/textctrl.h>
@@ -817,6 +818,37 @@ void CFrame::OnHostMessage(wxCommandEvent& event)
   case IDM_STOPPED:
     OnStopped();
     break;
+
+  case IDM_UPDATE_PROGRESS_DIALOG:
+  {
+    int current = event.GetInt();
+    int total = static_cast<int>(event.GetExtraLong());
+    if (total < 0 || current >= total)
+    {
+      if (m_progress_dialog)
+      {
+        delete m_progress_dialog;
+        m_progress_dialog = nullptr;
+      }
+    }
+    else if (total > 0 && current < total)
+    {
+      if (!m_progress_dialog)
+      {
+        m_progress_dialog = new wxProgressDialog(
+            _("Operation in progress..."), event.GetString(), total, m_render_frame,
+            wxPD_APP_MODAL | wxPD_ELAPSED_TIME | wxPD_SMOOTH | wxPD_REMAINING_TIME);
+        m_progress_dialog->Show();
+      }
+      else
+      {
+        if (m_progress_dialog->GetRange() != total)
+          m_progress_dialog->SetRange(total);
+        m_progress_dialog->Update(current, event.GetString());
+      }
+    }
+  }
+  break;
   }
 }
 

Source/Core/DolphinWX/Frame.h

@@ -49,6 +49,7 @@ class wxAuiNotebook;
 class wxAuiNotebookEvent;
 class wxListEvent;
 class wxMenuItem;
+class wxProgressDialog;
 
 class CRenderFrame : public wxFrame
 {
@@ -154,6 +155,7 @@ private:
   FifoPlayerDlg* m_fifo_player_dialog = nullptr;
   std::array<TASInputDlg*, 8> m_tas_input_dialogs{};
   wxCheatsWindow* m_cheats_window = nullptr;
+  wxProgressDialog* m_progress_dialog = nullptr;
   bool m_use_debugger = false;
   bool m_batch_mode = false;
   bool m_editing_perspectives = false;

Source/Core/DolphinWX/Globals.h

@@ -307,6 +307,7 @@ enum
   IDM_WINDOW_SIZE_REQUEST,
   IDM_STOPPED,
   IDM_HOST_MESSAGE,
+  IDM_UPDATE_PROGRESS_DIALOG,
 
   IDM_MPANEL,
   ID_STATUSBAR,

Source/Core/DolphinWX/Main.cpp

@@ -488,3 +488,12 @@ void Host_YieldToUI()
 {
   wxGetApp().GetMainLoop()->YieldFor(wxEVT_CATEGORY_UI);
 }
+
+void Host_UpdateProgressDialog(const char* caption, int position, int total)
+{
+  wxCommandEvent event(wxEVT_HOST_COMMAND, IDM_UPDATE_PROGRESS_DIALOG);
+  event.SetString(caption);
+  event.SetInt(position);
+  event.SetExtraLong(total);
+  main_frame->GetEventHandler()->AddPendingEvent(event);
+}

Source/UnitTests/StubHost.cpp

@@ -57,6 +57,9 @@ void Host_ShowVideoConfig(void*, const std::string&)
 void Host_YieldToUI()
 {
 }
+void Host_UpdateProgressDialog(const char* caption, int position, int total)
+{
+}
 std::unique_ptr<cInterfaceBase> HostGL_CreateGLInterface()
 {
   return nullptr;