From ce08a62548d7336fea89ac4e017b558550dc8ac0 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sat, 5 Nov 2022 18:17:54 -0500
Subject: [PATCH] GUI: work around Android backspace issue

---
 src/gui/editControls.cpp |  8 ++++++++
 src/gui/gui.cpp          | 12 ++++++++++++
 src/gui/gui.h            |  2 +-
 src/main.cpp             |  7 +++++++
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/gui/editControls.cpp b/src/gui/editControls.cpp
index e3e348c14..86a7325ec 100644
--- a/src/gui/editControls.cpp
+++ b/src/gui/editControls.cpp
@@ -244,6 +244,14 @@ void FurnaceGUI::drawMobileControls() {
             mobileMenuOpen=false;
           }
           ImGui::SameLine();
+          if (ImGui::Button("Log")) {
+            logOpen=!logOpen;
+          }
+          ImGui::SameLine();
+          if (ImGui::Button("Debug")) {
+            debugOpen=!debugOpen;
+          }
+          ImGui::SameLine();
           if (ImGui::Button("About")) {
             mobileMenuOpen=false;
             mobileMenuPos=0.0f;
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 62bd1bdc1..a0385d97f 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -2977,6 +2977,10 @@ bool FurnaceGUI::loop() {
     }
     eventTimeBegin=SDL_GetPerformanceCounter();
     bool updateWindow=false;
+    if (injectBackUp) {
+      ImGui::GetIO().AddKeyEvent(ImGuiKey_Backspace,false);
+      injectBackUp=false;
+    }
     while (SDL_PollEvent(&ev)) {
       WAKE_UP;
       ImGui_ImplSDL2_ProcessEvent(&ev);
@@ -3039,6 +3043,9 @@ bool FurnaceGUI::loop() {
           if (!ImGui::GetIO().WantCaptureKeyboard) {
             keyDown(ev);
           }
+#ifdef IS_MOBILE
+          injectBackUp=true;
+#endif
           break;
         case SDL_KEYUP:
           // for now
@@ -3738,6 +3745,10 @@ bool FurnaceGUI::loop() {
           drawPiano();
           break;
       }
+
+      globalWinFlags=0;
+      drawDebug();
+      drawLog();
     } else {
       globalWinFlags=0;
       ImGui::DockSpaceOverViewport(NULL,lockLayout?(ImGuiDockNodeFlags_NoWindowMenuButton|ImGuiDockNodeFlags_NoMove|ImGuiDockNodeFlags_NoResize|ImGuiDockNodeFlags_NoCloseButton|ImGuiDockNodeFlags_NoDocking|ImGuiDockNodeFlags_NoDockingSplitMe|ImGuiDockNodeFlags_NoDockingSplitOther):0);
@@ -5441,6 +5452,7 @@ FurnaceGUI::FurnaceGUI():
   vgmExportPatternHints(false),
   vgmExportDirectStream(false),
   portrait(false),
+  injectBackUp(false),
   mobileMenuOpen(false),
   wantCaptureKeyboard(false),
   oldWantCaptureKeyboard(false),
diff --git a/src/gui/gui.h b/src/gui/gui.h
index 9afafc0ea..180288c59 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -1036,7 +1036,7 @@ class FurnaceGUI {
 
   bool quit, warnQuit, willCommit, edit, modified, displayError, displayExporting, vgmExportLoop, zsmExportLoop, vgmExportPatternHints;
   bool vgmExportDirectStream;
-  bool portrait, mobileMenuOpen;
+  bool portrait, injectBackUp, mobileMenuOpen;
   bool wantCaptureKeyboard, oldWantCaptureKeyboard, displayMacroMenu;
   bool displayNew, fullScreen, preserveChanPos, wantScrollList, noteInputPoly;
   bool displayPendingIns, pendingInsSingle, displayPendingRawSample, snesFilterHex;
diff --git a/src/main.cpp b/src/main.cpp
index 8c3890f16..5c668a9eb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -317,6 +317,13 @@ void reportError(String what) {
   logE("%s",what);
   MessageBox(NULL,what.c_str(),"Furnace",MB_OK|MB_ICONERROR);
 }
+#elif defined(ANDROID)
+void reportError(String what) {
+  logE("%s",what);
+#ifdef HAVE_SDL2
+  SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,"Error",what.c_str(),NULL);
+#endif
+}
 #else
 void reportError(String what) {
   logE("%s",what);