ui/common/context.h

changeset 0
2483f517c562
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/common/context.h	Sun Jan 21 16:30:18 2024 +0100
@@ -0,0 +1,139 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2017 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef UIC_CONTEXT_H
+#define	UIC_CONTEXT_H
+
+#include "../ui/toolkit.h"
+#include <cx/map.h>
+#include <cx/hash_map.h>
+#include <cx/mempool.h>
+#include <cx/list.h>
+#include <cx/linked_list.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef struct UiVar         UiVar;
+typedef struct UiListPtr     UiListPtr;
+typedef struct UiListVar     UiListVar;
+typedef struct UiGroupWidget UiGroupWidget;
+
+typedef enum UiVarType UiVarType;
+
+enum UiVarType {
+    UI_VAR_SPECIAL = 0,
+    UI_VAR_INTEGER,
+    UI_VAR_DOUBLE,
+    UI_VAR_STRING,
+    UI_VAR_TEXT,
+    UI_VAR_LIST,
+    UI_VAR_RANGE
+};
+
+struct UiContext {
+    UiContext     *parent;
+    UiObject      *obj;
+    CxMempool *mp;
+    const CxAllocator *allocator;
+    
+    void          *document;
+    CxList        *documents;
+    
+    CxMap         *vars; // manually created context vars
+    CxMap         *vars_unbound; // unbound vars created by widgets
+    
+    CxList        *groups; // int list
+    CxList        *group_widgets; // UiGroupWidget list
+    
+    void (*attach_document)(UiContext *ctx, void *document);
+    void (*detach_document2)(UiContext *ctx, void *document); 
+    
+    char          *title;
+    
+#ifdef UI_GTK
+    GtkAccelGroup *accel_group;
+#endif
+    
+    ui_callback   close_callback;
+    void          *close_data;
+};
+
+// UiVar replacement, rename it to UiVar when finished
+struct UiVar {
+    void      *value;
+    UiVarType type;
+    UiVar    *from;
+    UiContext *from_ctx;
+};
+
+struct UiGroupWidget {
+    void          *widget;
+    ui_enablefunc enable;
+    int           *groups;
+    int           numgroups;
+};
+
+
+void uic_init_global_context(void);
+
+UiContext* uic_context(UiObject *toplevel, CxMempool *mp);
+UiContext* uic_root_context(UiContext *ctx);
+void uic_context_set_document(UiContext *ctx, void *document); // deprecated
+void uic_context_detach_document(UiContext *ctx); // deprecated
+
+void uic_context_attach_document(UiContext *ctx, void *document);
+void uic_context_detach_document2(UiContext *ctx, void *document);
+void uic_context_detach_all(UiContext *ctx);
+
+UiVar* uic_get_var(UiContext *ctx, const char *name);
+UiVar* uic_create_var(UiContext *ctx, const char *name, UiVarType type);
+UiVar* uic_create_value_var(UiContext *ctx, void *value);
+void* uic_create_value(UiContext *ctx, UiVarType type);
+
+UiVar* uic_widget_var(UiContext* toplevel, UiContext* current, void* value, const char* varname, UiVarType type);
+
+void uic_copy_binding(UiVar *from, UiVar *to, UiBool copytodoc);
+void uic_save_var2(UiVar *var);
+void uic_unbind_var(UiVar *var);
+
+void uic_reg_var(UiContext *ctx, char *name, UiVarType type, void *value);
+
+void uic_remove_bound_var(UiContext *ctx, UiVar *var);
+
+void uic_check_group_widgets(UiContext *ctx);
+void uic_add_group_widget(UiContext *ctx, void *widget, ui_enablefunc enable, CxList *groups);
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* UIC_CONTEXT_H */
+

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