Mercurial > hg > note / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/ui/tree.h	Wed Dec 09 11:32:01 2020 +0100
@@ -0,0 +1,135 @@
+/*
+ * 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 UI_TREE_H
+#define	UI_TREE_H
+
+#include "toolkit.h"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef struct UiModel         UiModel;
+typedef struct UiListCallbacks UiListCallbacks;
+typedef struct UiListSelection UiListSelection;
+
+typedef enum UiModelType {
+    UI_STRING = 0,
+    UI_INTEGER,
+    UI_ICON,
+    UI_ICON_TEXT,
+} UiModelType;
+
+struct UiModel {
+    /*
+     * number of columns
+     */
+    int columns;
+    
+    /*
+     * array of column types
+     * array length is the number of columns
+     */
+    UiModelType *types;
+    
+    /*
+     * array of column titles
+     * array length is the number of columns
+     */
+    char **titles;
+    
+    /*
+     * function for translating model data to view data
+     * first argument is the pointer returned by UiList->get or UiTree->get
+     * second argument is the column index
+     * TODO: return
+     */
+    void*(*getvalue)(void*, int);
+    
+    UiBool(*candrop)(UiEvent*, UiSelection*, UiList*, int);
+    void(*drop)(UiEvent*, UiSelection*, UiList*, int);
+    UiBool(*candrag)(UiEvent*, UiList*, int);
+    void(*data_get)(UiEvent*, UiSelection*, UiList*, int);
+    void(*data_delete)(UiEvent*, UiList*, int);
+};
+
+struct UiListCallbacks {
+    /*
+     * selection callback
+     */
+    ui_callback activate;
+    
+    /*
+     * cursor callback
+     */
+    ui_callback selection;
+    
+    /*
+     * userdata for all callbacks
+     */
+    void *userdata;
+};
+
+struct UiListSelection {
+    /*
+     * number of selected items
+     */
+    int count;
+    
+    /*
+     * indices of selected rows
+     */
+    int *rows;
+};
+
+UiModel* ui_model(UiContext *ctx, ...);
+void ui_model_free(UiContext *ctx, UiModel *mi);
+
+UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata);
+UIWIDGET ui_listview_str(UiObject *obj, UiList *list, ui_callback f, void *udata);
+UIWIDGET ui_listview_nv(UiObject *obj, char *listname, ui_getvaluefunc getvalue, ui_callback f, void *udata);
+
+UIWIDGET ui_table(UiObject *obj, UiList *data, UiModel *model, UiListCallbacks cb);
+UIWIDGET ui_table_nv(UiObject *obj, char *varname, UiModel *model, UiListCallbacks cb);
+
+void ui_table_dragsource(UIWIDGET tablewidget, int actions, char *target0, ...);
+void ui_table_dragsource_a(UIWIDGET tablewidget, int actions, char **targets, int nelm);
+void ui_table_dragdest(UIWIDGET tablewidget, int actions, char *target0, ...);
+void ui_table_dragdest_a(UIWIDGET tablewidget, int actions, char **targets, int nelm);
+
+UIWIDGET ui_combobox(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata);
+UIWIDGET ui_combobox_str(UiObject *obj, UiList *list, ui_callback f, void *udata);
+UIWIDGET ui_combobox_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* UI_TREE_H */
+