feat: move Files to its own process; add window server messaging (multi-format clipboard, drag and drop), undo/redo, sidebar, breadcrumbs, thumbnails, file type icons, New menu and proper text fields

programs/src/imageviewer/main.cpp

@@ -11,6 +11,7 @@
 #include <gui/standalone.hpp>
 #include <gui/truetype.hpp>
 #include <gui/svg.hpp>
+#include <gui/transfer.hpp>
 
 #include "svg_doc.hpp"
 
@@ -589,6 +590,20 @@ extern "C" void _start() {
 
         if (ev.type == 3) break; // close
 
+        // Show an image dropped onto the window.
+        char dropped[512];
+        if (gui::handle_file_drop(win.id, ev, dropped, sizeof(dropped))) {
+            montauk::strncpy(g_filepath, dropped, sizeof(g_filepath));
+            g_load_ok = load_image(g_filepath);
+            if (g_load_ok) {
+                if (g_img_w > g_win_w || g_img_h > viewport_h()) zoom_fit();
+                else center_image();
+            }
+            render(canvas);
+            win.present();
+            continue;
+        }
+
         // Resize
         if (ev.type == 2) {
             g_win_w = win.width;