From 4f2ac0c163d3c57738b1e75f7b5a58e702d1b18a Mon Sep 17 00:00:00 2001
From: Wojciech Jarosz <wkjarosz@users.noreply.github.com>
Date: Sun, 25 Feb 2024 22:51:26 +1300
Subject: [PATCH] multi-image load

---
 src/app.cpp | 15 ++++++---------
 src/app.h   |  2 +-
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/app.cpp b/src/app.cpp
index d37289c..e4edbdb 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -288,7 +288,7 @@ HDRViewApp::HDRViewApp()
                             {
                                 vector<string> arg(count);
                                 for (int i = 0; i < count; ++i) arg[i] = filenames[i];
-                                hdrview()->drop_event(arg);
+                                hdrview()->load_images(arg);
                             });
     };
 #endif
@@ -592,17 +592,18 @@ void HDRViewApp::save_as(const string &filename) const
     }
 }
 
-void HDRViewApp::drop_event(const std::vector<std::string> &filenames)
+void HDRViewApp::load_images(const std::vector<std::string> &filenames)
 {
     for (auto f : filenames)
     {
-        spdlog::trace("dropped file '{}'", f);
         auto formats = Image::loadable_formats();
         if (formats.find(get_extension(f)) != formats.end())
         {
             std::ifstream is{f, std::ios_base::binary};
             load_image(is, f);
         }
+        else
+            spdlog::debug("Skipping unsupported file '{}'", f);
     }
 }
 
@@ -624,13 +625,9 @@ void HDRViewApp::open_image()
 #else
     string extensions = fmt::format("*.{}", fmt::join(Image::loadable_formats(), " *."));
 
-    auto result = pfd::open_file("Open image", "", {"Image files", extensions}).result();
-    if (!result.empty())
-    {
-        std::ifstream is{result.front(), std::ios_base::binary};
-        load_image(is, result.front());
-    }
+    load_images(pfd::open_file("Open image", "", {"Image files", extensions}, pfd::opt::multiselect).result());
 #endif
+
     if (auto img = current_image())
         spdlog::trace("Loaded image of size: {}\n", img->size());
 }
diff --git a/src/app.h b/src/app.h
index 9e24f9b..d787f07 100644
--- a/src/app.h
+++ b/src/app.h
@@ -39,7 +39,7 @@ class HDRViewApp
     // loading, saving, and closing images
     //-----------------------------------------------------------------------------
     void open_image();
-    void drop_event(const std::vector<std::string> &filenames);
+    void load_images(const std::vector<std::string> &filenames);
     void load_image(std::istream &is, const string &filename);
     void save_as(const string &filename) const;
     void close_image();