--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/ui/tree.h Sun Jan 21 16:30:18 2024 +0100 @@ -0,0 +1,162 @@ +/* + * 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 struct UiListDnd UiListDnd; + +typedef struct UiListArgs UiListArgs; + +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); +}; + +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; +}; + +struct UiListDnd { + UiListSelection selection; + UiDnD *dnd; +}; + +struct UiListArgs { + UiTri fill; + UiBool hexpand; + UiBool vexpand; + int colspan; + int rowspan; + + UiList* list; + const char* varname; + UiModel* model; + ui_getvaluefunc getvalue; + ui_callback onactivate; + void* onactivatedata; + ui_callback onselection; + void* onselectiondata; + ui_callback ondragstart; + void* ondragstartdata; + ui_callback ondragcomplete; + void* ondragcompletedata; + ui_callback ondrop; + void* ondropsdata; + UiBool multiselection; +}; + +UIEXPORT UiModel* ui_model(UiContext *ctx, ...); +UIEXPORT UiModel* ui_model_copy(UiContext *ctx, UiModel* model); +UIEXPORT void ui_model_free(UiContext *ctx, UiModel *mi); + +#define ui_listview(obj, ...) ui_listview_create(obj, (UiListArgs) { __VA_ARGS__ } ) +#define ui_table(obj, ...) ui_table_create(obj, (UiListArgs) { __VA_ARGS__ } ) +#define ui_combobox(obj, ...) ui_combobox_create(obj, (UiListArgs) { __VA_ARGS__ } ) +#define ui_breadcrumbbar(obj, ...) ui_breadcrumbbar_create(obj, (UiListArgs) { __VA_ARGS__ } ) + +UIEXPORT UIWIDGET ui_listview_create(UiObject* obj, UiListArgs args); +UIEXPORT UIWIDGET ui_table_create(UiObject* obj, UiListArgs args); +UIEXPORT UIWIDGET ui_combobox_create(UiObject* obj, UiListArgs args); +UIEXPORT UIWIDGET ui_breadcrumbbar_create(UiObject* obj, UiListArgs args); + + +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); + +#ifdef __cplusplus +} +#endif + +#endif /* UI_TREE_H */ +