# HG changeset patch
# User Olaf Wintermann <olaf.wintermann@gmail.com>
# Date 1765105161 -3600
# Node ID e88ca7dfa94362b883b80151296ba804f5cbdfc4
# Parent  4b2202df31ece692fbb299ef4d9cc9ec52586d9e
add single-document-mode to UiContext

diff -r 4b2202df31ec -r e88ca7dfa943 ui/common/context.c
--- a/ui/common/context.c	Sun Dec 07 11:51:01 2025 +0100
+++ b/ui/common/context.c	Sun Dec 07 11:59:21 2025 +0100
@@ -97,6 +97,12 @@
 }
 
 void uic_context_attach_document(UiContext *ctx, void *document) {
+    if(ctx->single_document_mode) {
+        if(ctx->document) {
+            uic_context_detach_document(ctx, ctx->document);
+        }
+    }
+    
     cxListAdd(ctx->documents, document);
     ctx->document = document;
     
@@ -485,6 +491,14 @@
 
 // public API
 
+void* ui_context_get_document(UiContext *ctx) {
+    return ctx->document;
+}
+
+void ui_context_single_attachment_mode(UiContext *ctx, UiBool enable) {
+    ctx->single_document_mode = enable;
+}
+
 void ui_attach_document(UiContext *ctx, void *document) {
     uic_context_attach_document(ctx, document);
 }
diff -r 4b2202df31ec -r e88ca7dfa943 ui/common/context.h
--- a/ui/common/context.h	Sun Dec 07 11:51:01 2025 +0100
+++ b/ui/common/context.h	Sun Dec 07 11:59:21 2025 +0100
@@ -84,8 +84,10 @@
     GtkAccelGroup *accel_group;
 #endif 
 #endif
-
-
+    
+    // allow only one document to be attached
+    // attaching a document will automatically detach the current document
+    UiBool single_document_mode;
     
     ui_callback   close_callback;
     void          *close_data;
diff -r 4b2202df31ec -r e88ca7dfa943 ui/ui/toolkit.h
--- a/ui/ui/toolkit.h	Sun Dec 07 11:51:01 2025 +0100
+++ b/ui/ui/toolkit.h	Sun Dec 07 11:59:21 2025 +0100
@@ -565,6 +565,8 @@
 
 UIEXPORT UiContext* ui_document_context(void *doc);
 
+UIEXPORT void* ui_context_get_document(UiContext *ctx);
+UIEXPORT void ui_context_single_attachment_mode(UiContext *ctx, UiBool enable);
 UIEXPORT void ui_attach_document(UiContext *ctx, void *document);
 UIEXPORT void ui_detach_document(UiContext *ctx, void *document);