Show which BIOS file is currently selected.

It is not possible to pre-select a file with `wxFilePickerCtrl`. Hence,
we add a label to show the current gopts.{gba_bios,gb_bios,gbc_bios} is
being used, if any.

- Fix remaining of #196.

src/wx/guiinit.cpp

@@ -3405,10 +3405,10 @@ bool MainFrame::BindControls()
     } while (0)
 #define getcbie(n, o, v) getbie(n, o, v, cb, wxCheckBox, CB)
         wxFilePickerCtrl* fp;
-#define getfp(n, o)                                     \
+#define getfp(n, o, l)                                     \
-    do {                                                \
+    do {                                                   \
-        fp = SafeXRCCTRL<wxFilePickerCtrl>(d, n);       \
+        fp = SafeXRCCTRL<wxFilePickerCtrl>(d, n);          \
-        fp->SetValidator(wxFileDirPickerValidator(&o)); \
+        fp->SetValidator(wxFileDirPickerValidator(&o, l)); \
     } while (0)
         d = LoadXRCropertySheetDialog("GameBoyConfig");
         {
@@ -3418,10 +3418,15 @@ bool MainFrame::BindControls()
             // in command handler.  Plus making changes might require resizing
             // game area.  Validation only here.
             SafeXRCCTRL<wxChoice>(d, "Borders");
-            /// Boot ROM
+            /// GB Boot ROM
-            getfp("BootRom", gopts.gb_bios);
+            wxStaticText *label = SafeXRCCTRL<wxStaticText>(d, "BiosFile");
+            if (!gopts.gb_bios.empty()) label->SetLabel(gopts.gb_bios);
+            getfp("BootRom", gopts.gb_bios, label);
             getlab("BootRomLab");
-            getfp("CBootRom", gopts.gbc_bios);
+            /// GBC
+            wxStaticText *clabel = SafeXRCCTRL<wxStaticText>(d, "CBiosFile");
+            if (!gopts.gbc_bios.empty()) clabel->SetLabel(gopts.gbc_bios);
+            getfp("CBootRom", gopts.gbc_bios, clabel);
             getlab("CBootRomLab");
             /// Custom Colors
             //getcbi("Color", gbColorOption);
@@ -3492,7 +3497,9 @@ bool MainFrame::BindControls()
                 wxCommandEventHandler(BatConfig_t::Detect),
                 NULL, &BatConfigHandler);
             /// Boot ROM
-            getfp("BootRom", gopts.gba_bios);
+            wxStaticText *label = SafeXRCCTRL<wxStaticText>(d, "BiosFile");
+            if (!gopts.gba_bios.empty()) label->SetLabel(gopts.gba_bios);
+            getfp("BootRom", gopts.gba_bios, label);
             getlab("BootRomLab");
             /// Game Overrides
             getgbaw("GameSettings");

src/wx/widgets/wx/wxmisc.h

@@ -114,22 +114,26 @@ protected:
     bool* vptr;
 };
 
+#include <wx/stattext.h>
+
 // wxFilePickerCtrl/wxDirPickerCtrl copy-only vvalidator
 class wxFileDirPickerValidator : public wxValidator {
 public:
-    wxFileDirPickerValidator(wxString* _vptr)
+    wxFileDirPickerValidator(wxString* _vptr, wxStaticText* _label = NULL)
         : wxValidator()
         , vptr(_vptr)
+        , vlabel(_label)
     {
     }
     wxFileDirPickerValidator(const wxFileDirPickerValidator& v)
         : wxValidator()
         , vptr(v.vptr)
+        , vlabel(v.vlabel)
     {
     }
     wxObject* Clone() const
     {
-        return new wxFileDirPickerValidator(vptr);
+        return new wxFileDirPickerValidator(vptr, vlabel);
     }
     bool TransferToWindow();
     bool TransferFromWindow();
@@ -141,6 +145,7 @@ public:
 
 protected:
     wxString* vptr;
+    wxStaticText* vlabel;
 };
 
 // color copy-only validator that supports either 32-bit or 16-bit color

src/wx/widgets/wxmisc.cpp

@@ -230,6 +230,7 @@ bool wxFileDirPickerValidator::TransferFromWindow()
 
     if (fp) {
         *vptr = fp->GetPath();
+        if (vlabel) vlabel->SetLabel(*vptr);
         return true;
     }
 
@@ -237,6 +238,7 @@ bool wxFileDirPickerValidator::TransferFromWindow()
 
     if (dp) {
         *vptr = dp->GetPath();
+        if (vlabel) vlabel->SetLabel(*vptr);
         return true;
     }
 

src/wx/xrc/GameBoyAdvanceConfig.xrc

@@ -105,6 +105,27 @@
                   </object>
                 </object>
               </object>
+              <object class="sizeritem">
+                <flag>wxALL|wxEXPAND</flag>
+                <border>5</border>
+                <object class="wxBoxSizer">
+                  <orient>wxHORIZONTAL</orient>
+                  <object class="sizeritem">
+                    <object class="wxStaticText">
+                      <label>Current BIOS file :</label>
+                    </object>
+                    <flag>wxALL|wxALIGN_CENTRE_VERTICAL</flag>
+                    <border>5</border>
+                  </object>
+                  <object class="sizeritem">
+                    <object class="wxStaticText" name="BiosFile">
+                      <label>(None)</label>
+                    </object>
+                    <flag>wxALL|wxALIGN_CENTRE_VERTICAL</flag>
+                    <border>5</border>
+                  </object>
+                </object>
+              </object>
               <orient>wxVERTICAL</orient>
             </object>
             <flag>wxALL|wxEXPAND</flag>

src/wx/xrc/GameBoyConfig.xrc

@@ -81,7 +81,7 @@
               <orient>wxHORIZONTAL</orient>
               <object class="sizeritem">
                 <object class="wxStaticText" name="BootRomLab">
-                  <label>Boot _ROM file :</label>
+                  <label>GB Boot _ROM file :</label>
                 </object>
                 <flag>wxALL|wxALIGN_CENTRE_VERTICAL</flag>
                 <border>5</border>
@@ -121,6 +121,48 @@
             </object>
             <flag>wxEXPAND</flag>
           </object>
+          <object class="sizeritem">
+            <flag>wxALL|wxEXPAND</flag>
+            <border>5</border>
+            <object class="wxBoxSizer">
+              <orient>wxHORIZONTAL</orient>
+              <object class="sizeritem">
+                <object class="wxStaticText">
+                  <label>Current GB BIOS file :</label>
+                </object>
+                <flag>wxALL|wxALIGN_CENTRE_VERTICAL</flag>
+                <border>5</border>
+              </object>
+              <object class="sizeritem">
+                <object class="wxStaticText" name="BiosFile">
+                  <label>(None)</label>
+                </object>
+                <flag>wxALL|wxALIGN_CENTRE_VERTICAL</flag>
+                <border>5</border>
+              </object>
+            </object>
+          </object>
+          <object class="sizeritem">
+            <flag>wxALL|wxEXPAND</flag>
+            <border>5</border>
+            <object class="wxBoxSizer">
+              <orient>wxHORIZONTAL</orient>
+              <object class="sizeritem">
+                <object class="wxStaticText">
+              <label>Current GBC BIOS file :</label>
+                </object>
+                <flag>wxALL|wxALIGN_CENTRE_VERTICAL</flag>
+                <border>5</border>
+              </object>
+              <object class="sizeritem">
+                <object class="wxStaticText" name="CBiosFile">
+              <label>(None)</label>
+                </object>
+                <flag>wxALL|wxALIGN_CENTRE_VERTICAL</flag>
+                <border>5</border>
+              </object>
+            </object>
+          </object>
         </object>
       </object>
       <label>Boot ROM</label>