Wed, 27 Nov 2024 13:28:21 +0100
implement table dnd (GTK)
/* * 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 UiListDnd UiListDnd; typedef struct UiListArgs UiListArgs; typedef enum UiModelType { UI_STRING = 0, UI_STRING_FREE, UI_INTEGER, UI_ICON, UI_ICON_TEXT, UI_ICON_TEXT_FREE } 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; /* * array of column size hints */ int *columnsize; /* * 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 UiListArgs { UiTri fill; UiBool hexpand; UiBool vexpand; UiBool hfill; UiBool vfill; int colspan; int rowspan; const char *name; const char *style_class; 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; UiMenuBuilder *contextmenu; const int *groups; }; 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_deprecated(UIWIDGET tablewidget, int actions, char *target0, ...); void ui_table_dragsource_a_deprecated(UIWIDGET tablewidget, int actions, char **targets, int nelm); void ui_table_dragdest_deprecated(UIWIDGET tablewidget, int actions, char *target0, ...); void ui_table_dragdest_a_deprecated(UIWIDGET tablewidget, int actions, char **targets, int nelm); #ifdef __cplusplus } #endif #endif /* UI_TREE_H */