From 8c017c7503d530d0fb7900360bed033ac80eb12b Mon Sep 17 00:00:00 2001
From: jack2bs <jack2bs@me.com>
Date: Sun, 22 Jun 2025 12:26:57 +0000
Subject: [PATCH] bitmap2component: Adding file drag and drop

---
 bitmap2component/bitmap2cmp_panel.cpp | 39 ++++++++++++++++++++++++++-
 bitmap2component/bitmap2cmp_panel.h   | 16 ++++++++++-
 2 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/bitmap2component/bitmap2cmp_panel.cpp b/bitmap2component/bitmap2cmp_panel.cpp
index ea88134a66..761f2b3f2b 100644
--- a/bitmap2component/bitmap2cmp_panel.cpp
+++ b/bitmap2component/bitmap2cmp_panel.cpp
@@ -30,11 +30,15 @@
 #include <common.h>
 #include <math/util.h>      // for KiROUND
 #include <potracelib.h>
+#include <vector>
+#include <wx/arrstr.h>
 #include <wx/clipbrd.h>
+#include <wx/dnd.h>
 #include <wx/rawbmp.h>
 #include <wx/msgdlg.h>
 #include <wx/dcclient.h>
 #include <wx/log.h>
+#include <wx/string.h>
 
 #define DEFAULT_DPI 300     // the image DPI used in formats that do not define a DPI
 
@@ -58,8 +62,11 @@ BITMAP2CMP_PANEL::BITMAP2CMP_PANEL( BITMAP2CMP_FRAME* aParent ) :
 
     m_buttonExportFile->Enable( false );
     m_buttonExportClipboard->Enable( false );
-}
 
+    m_InitialPicturePanel->SetDropTarget( new DROP_FILE( this ) );
+    m_GreyscalePicturePanel->SetDropTarget( new DROP_FILE( this ) );
+    m_BNPicturePanel->SetDropTarget( new DROP_FILE( this ) );
+}
 
 wxWindow* BITMAP2CMP_PANEL::GetCurrentPage()
 {
@@ -562,3 +569,33 @@ void BITMAP2CMP_PANEL::OnFormatChange( wxCommandEvent& event )
     m_layerLabel->Enable( m_rbFootprint->GetValue() );
     m_layerCtrl->Enable( m_rbFootprint->GetValue() );
 }
+
+
+DROP_FILE::DROP_FILE( BITMAP2CMP_PANEL* panel ) :
+        m_panel( panel )
+{
+}
+
+
+bool DROP_FILE::OnDropFiles( wxCoord x, wxCoord y, const wxArrayString& filenames )
+{
+    m_panel->SetFocus();
+
+    // If a file is already loaded
+    if( m_panel->GetOutputSizeX().GetOriginalSizePixels() != 0 )
+    {
+        wxString        cap = _( "Replace Loaded File?" );
+        wxString        msg = _( "There is already a file loaded. Do you want to replace it?" );
+        wxMessageDialog acceptFileDlg( m_panel, msg, cap, wxYES_NO | wxICON_QUESTION | wxYES_DEFAULT );
+        int             replace = acceptFileDlg.ShowModal();
+
+        if( replace == wxID_NO )
+            return false;
+    }
+
+    std::vector<wxString> fNameVec;
+    fNameVec.insert( fNameVec.begin(), filenames.begin(), filenames.end() );
+    m_panel->OpenProjectFiles( fNameVec );
+
+    return true;
+}
diff --git a/bitmap2component/bitmap2cmp_panel.h b/bitmap2component/bitmap2cmp_panel.h
index e83f76b4ad..c339cd3d5f 100644
--- a/bitmap2component/bitmap2cmp_panel.h
+++ b/bitmap2component/bitmap2cmp_panel.h
@@ -25,7 +25,7 @@
 
 #include <bitmap2cmp_panel_base.h>
 #include <eda_units.h>
-
+#include <wx/dnd.h>
 
 class BITMAP2CMP_FRAME;
 class BITMAP2CMP_SETTINGS;
@@ -134,4 +134,18 @@ private:
     bool              m_negative;
     double            m_aspectRatio;
 };
+
+
+class DROP_FILE : public wxFileDropTarget
+{
+public:
+    DROP_FILE( BITMAP2CMP_PANEL* panel );
+    DROP_FILE() = delete;
+
+    bool OnDropFiles( wxCoord x, wxCoord y, const wxArrayString& filenames ) override;
+
+private:
+    BITMAP2CMP_PANEL* m_panel;
+};
+
 #endif// BITMAP2CMP_PANEL