From 2eb14f09e12826d3e33ee1ab44949f22b6d85ae1 Mon Sep 17 00:00:00 2001
From: lif <>
Date: Tue, 24 Dec 2024 13:47:31 -0800
Subject: [PATCH] first pass, broken on xdg-portal because of course it is.
 thanks dbus

---
 main.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/main.c b/main.c
index 2fbf92b..2260859 100644
--- a/main.c
+++ b/main.c
@@ -1,6 +1,8 @@
 #define SDL_MAIN_USE_CALLBACKS 1
+#include "SDL3/SDL_atomic.h"
 #include "SDL3/SDL_blendmode.h"
 #include "SDL3/SDL_camera.h"
+#include "SDL3/SDL_dialog.h"
 #include "SDL3/SDL_error.h"
 #include "SDL3/SDL_events.h"
 #include "SDL3/SDL_init.h"
@@ -79,6 +81,17 @@ enum mColorFormat pixfmt_sdl_to_mgba(uint32_t sdl_fmt) {
     }
 }
 
+const SDL_DialogFileFilter DIALOG_FILENAME_FILTER[1] = {{ "Gameboy Camera ROM", "gb" }};
+
+static void SDLCALL dialog_callback(void* userdata, const char* const* files, int filter) {
+    if (files && *files) {
+        SDL_Log("\nSelected: %s", *files);
+        SDL_SetAtomicPointer((void**)userdata, strdup(*files));
+    } else {
+        exit(1);
+    }
+}
+
 void myStartRequestImageRed(struct mImageSource* self, unsigned w, unsigned h, int colorFormats) {
     SDL_DestroySurface(scaled);
     SDL_DestroySurface(filtered[0]);
@@ -256,7 +269,7 @@ bool SelectCamera(struct AppState* st) {
     return true;
 }
 
-SDL_AppResult SDL_AppInit(void** appstate, int argc, char *argv[]) {
+SDL_AppResult SDL_AppInit(void** appstate, int argc, char* argv[]) {
     int i;
     unsigned w, h;
 
@@ -275,6 +288,16 @@ SDL_AppResult SDL_AppInit(void** appstate, int argc, char *argv[]) {
         return SDL_APP_FAILURE;
     }
 
+    if (!args.fname) {
+        SDL_ShowOpenFileDialog(dialog_callback, &args.fname, NULL, DIALOG_FILENAME_FILTER, 1, NULL, false);
+        printf("Must provide a Gameboy Camera ROM");
+        do {
+            putchar('.');
+            fflush(stdout);
+            SDL_Delay(1000);
+        } while (!SDL_GetAtomicPointer((void**)&args.fname));
+    }
+
     gb_img_src[0].requestImage = myRequestImageRed;
     gb_img_src[0].startRequestImage = myStartRequestImageRed;
     gb_img_src[0].stopRequestImage = myStopRequestImageRed;