--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/gtk/list.c Sat Jan 04 16:38:48 2025 +0100 @@ -0,0 +1,1278 @@ +/* + * 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. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> + +#include "../common/context.h" +#include "../common/object.h" +#include "container.h" + +#include <cx/array_list.h> +#include <cx/linked_list.h> + +#include "list.h" +#include "icon.h" +#include "menu.h" +#include "dnd.h" + + +void* ui_strmodel_getvalue(void *elm, int column) { + return column == 0 ? elm : NULL; +} + +static GtkListStore* create_list_store(UiList *list, UiModel *model) { + int columns = model->columns; + GType types[2*columns]; + int c = 0; + for(int i=0;i<columns;i++,c++) { + switch(model->types[i]) { + case UI_STRING: + case UI_STRING_FREE: types[c] = G_TYPE_STRING; break; + case UI_INTEGER: types[c] = G_TYPE_INT; break; + case UI_ICON: types[c] = G_TYPE_OBJECT; break; + case UI_ICON_TEXT: + case UI_ICON_TEXT_FREE: { + types[c] = G_TYPE_OBJECT; + types[++c] = G_TYPE_STRING; + } + } + } + + GtkListStore *store = gtk_list_store_newv(c, types); + + if(list) { + void *elm = list->first(list); + while(elm) { + // insert new row + GtkTreeIter iter; + gtk_list_store_insert (store, &iter, -1); + + // set column values + int c = 0; + for(int i=0;i<columns;i++,c++) { + void *data = model->getvalue(elm, c); + + GValue value = G_VALUE_INIT; + switch(model->types[i]) { + case UI_STRING: + case UI_STRING_FREE: { + g_value_init(&value, G_TYPE_STRING); + g_value_set_string(&value, data); + if(model->types[i] == UI_STRING_FREE) { + free(data); + } + break; + } + case UI_INTEGER: { + g_value_init(&value, G_TYPE_INT); + int *intptr = data; + g_value_set_int(&value, *intptr); + break; + } + case UI_ICON: { + g_value_init(&value, G_TYPE_OBJECT); + UiIcon *icon = data; +#if GTK_MAJOR_VERSION >= 4 + g_value_set_object(&value, icon->info); // TODO: does this work? +#else + if(!icon->pixbuf && icon->info) { + GError *error = NULL; + GdkPixbuf *pixbuf = gtk_icon_info_load_icon(icon->info, &error); + icon->pixbuf = pixbuf; + } + + if(icon->pixbuf) { + g_value_set_object(&value, icon->pixbuf); + } +#endif + break; + } + case UI_ICON_TEXT: + case UI_ICON_TEXT_FREE: { + UiIcon *icon = data; +#if GTK_MAJOR_VERSION >= 4 + if(icon) { + GValue iconvalue = G_VALUE_INIT; + g_value_init(&iconvalue, G_TYPE_OBJECT); + g_value_set_object(&iconvalue, ui_icon_pixbuf(icon)); + gtk_list_store_set_value(store, &iter, c, &iconvalue); + } +#else + GValue pixbufvalue = G_VALUE_INIT; + if(icon) { + if(!icon->pixbuf && icon->info) { + GError *error = NULL; + GdkPixbuf *pixbuf = gtk_icon_info_load_icon(icon->info, &error); + icon->pixbuf = pixbuf; + } + g_value_init(&pixbufvalue, G_TYPE_OBJECT); + g_value_set_object(&pixbufvalue, icon->pixbuf); + gtk_list_store_set_value(store, &iter, c, &pixbufvalue); + } +#endif + c++; + + char *str = model->getvalue(elm, c); + g_value_init(&value, G_TYPE_STRING); + g_value_set_string(&value, str); + if(model->types[i] == UI_ICON_TEXT_FREE) { + free(str); + } + break; + } + } + + gtk_list_store_set_value(store, &iter, c, &value); + } + + // next row + elm = list->next(list); + } + } + + return store; +} + + +UIWIDGET ui_listview_create(UiObject *obj, UiListArgs args) { + UiObject* current = uic_current_obj(obj); + + // create treeview + GtkWidget *view = gtk_tree_view_new(); + ui_set_name_and_style(view, args.name, args.style_class); + ui_set_widget_groups(obj->ctx, view, args.groups); + GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); + GtkTreeViewColumn *column = gtk_tree_view_column_new_with_attributes(NULL, renderer, "text", 0, NULL); + gtk_tree_view_append_column(GTK_TREE_VIEW(view), column); + + gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), FALSE); +#ifdef UI_GTK3 +#if GTK_MINOR_VERSION >= 8 + //gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(view), TRUE); +#else + // TODO: implement for older gtk3 +#endif +#else + // TODO: implement for gtk2 +#endif + + UiModel *model = ui_model(obj->ctx, UI_STRING, "", -1); + model->getvalue = args.getvalue ? args.getvalue : ui_strmodel_getvalue; + + UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.list, args.varname, UI_VAR_LIST); + + UiList *list = var ? var->value : NULL; + GtkListStore *listmodel = create_list_store(list, model); + gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(listmodel)); + g_object_unref(listmodel); + + UiListView *listview = malloc(sizeof(UiListView)); + listview->obj = obj; + listview->widget = view; + listview->var = var; + listview->model = model; + g_signal_connect( + view, + "destroy", + G_CALLBACK(ui_listview_destroy), + listview); + + // bind var + list->update = ui_listview_update; + list->getselection = ui_listview_getselection; + list->setselection = ui_listview_setselection; + list->obj = listview; + + // add callback + UiTreeEventData *event = malloc(sizeof(UiTreeEventData)); + event->obj = obj; + event->activate = args.onactivate; + event->activatedata = args.onactivatedata; + event->selection = args.onselection; + event->selectiondata = args.onselectiondata; + g_signal_connect( + view, + "destroy", + G_CALLBACK(ui_destroy_userdata), + event); + + if(args.onactivate) { + g_signal_connect( + view, + "row-activated", + G_CALLBACK(ui_listview_activate_event), + event); + } + if(args.onselection) { + GtkTreeSelection *selection = gtk_tree_view_get_selection( + GTK_TREE_VIEW(view)); + g_signal_connect( + selection, + "changed", + G_CALLBACK(ui_listview_selection_event), + event); + } + if(args.contextmenu) { + UIMENU menu = ui_contextmenu_create(args.contextmenu, obj, view); + ui_widget_set_contextmenu(view, menu); + } + + + // add widget to the current container + GtkWidget *scroll_area = SCROLLEDWINDOW_NEW(); + gtk_scrolled_window_set_policy( + GTK_SCROLLED_WINDOW(scroll_area), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS + SCROLLEDWINDOW_SET_CHILD(scroll_area, view); + + UI_APPLY_LAYOUT1(current, args); + current->container->add(current->container, scroll_area, FALSE); + + // ct->current should point to view, not scroll_area, to make it possible + // to add a context menu + current->container->current = view; + + return scroll_area; +} + +/* +static void drag_begin(GtkWidget *widget, GdkDragContext *context, gpointer udata) { + printf("drag begin\n"); + +} + +static void drag_end( + GtkWidget *widget, + GdkDragContext *context, + guint time, + gpointer udata) +{ + printf("drag end\n"); + +} +*/ + +/* +static GtkTargetEntry targetentries[] = + { + { "STRING", 0, 0 }, + { "text/plain", 0, 1 }, + { "text/uri-list", 0, 2 }, + }; +*/ + +UIWIDGET ui_table_create(UiObject *obj, UiListArgs args) { + UiObject* current = uic_current_obj(obj); + + // create treeview + GtkWidget *view = gtk_tree_view_new(); + + UiModel *model = args.model; + int columns = model ? model->columns : 0; + + int addi = 0; + for(int i=0;i<columns;i++) { + GtkTreeViewColumn *column = NULL; + if(model->types[i] == UI_ICON_TEXT) { + column = gtk_tree_view_column_new(); + gtk_tree_view_column_set_title(column, model->titles[i]); + + GtkCellRenderer *iconrenderer = gtk_cell_renderer_pixbuf_new(); + GtkCellRenderer *textrenderer = gtk_cell_renderer_text_new(); + + gtk_tree_view_column_pack_end(column, textrenderer, TRUE); + gtk_tree_view_column_pack_start(column, iconrenderer, FALSE); + + + gtk_tree_view_column_add_attribute(column, iconrenderer, "pixbuf", i); + gtk_tree_view_column_add_attribute(column, textrenderer, "text", i+1); + + addi++; + } else if (model->types[i] == UI_ICON) { + GtkCellRenderer *iconrenderer = gtk_cell_renderer_pixbuf_new(); + column = gtk_tree_view_column_new_with_attributes( + model->titles[i], + iconrenderer, + "pixbuf", + i + addi, + NULL); + } else { + GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); + column = gtk_tree_view_column_new_with_attributes( + model->titles[i], + renderer, + "text", + i + addi, + NULL); + } + + int colsz = model->columnsize[i]; + if(colsz > 0) { + gtk_tree_view_column_set_fixed_width(column, colsz); + } else if(colsz < 0) { + gtk_tree_view_column_set_expand(column, TRUE); + } + + gtk_tree_view_column_set_resizable(column, TRUE); + gtk_tree_view_append_column(GTK_TREE_VIEW(view), column); + } + + //gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), FALSE); +#ifdef UI_GTK3 + //gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(view), TRUE); +#else + +#endif + + UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.list, args.varname, UI_VAR_LIST); + + UiList *list = var ? var->value : NULL; + GtkListStore *listmodel = create_list_store(list, model); + gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(listmodel)); + g_object_unref(listmodel); + + //g_signal_connect(view, "drag-begin", G_CALLBACK(drag_begin), NULL); + //g_signal_connect(view, "drag-end", G_CALLBACK(drag_end), NULL); + + // add TreeView as observer to the UiList to update the TreeView if the + // data changes + UiListView *tableview = malloc(sizeof(UiListView)); + tableview->obj = obj; + tableview->widget = view; + tableview->var = var; + tableview->model = model; + tableview->ondragstart = args.ondragstart; + tableview->ondragstartdata = args.ondragstartdata; + tableview->ondragcomplete = args.ondragcomplete; + tableview->ondragcompletedata = args.ondragcompletedata; + tableview->ondrop = args.ondrop; + tableview->ondropdata = args.ondropsdata; + g_signal_connect( + view, + "destroy", + G_CALLBACK(ui_listview_destroy), + tableview); + + // bind var + list->update = ui_listview_update; + list->getselection = ui_listview_getselection; + list->setselection = ui_listview_setselection; + list->obj = tableview; + + // add callback + UiTreeEventData *event = ui_malloc(obj->ctx, sizeof(UiTreeEventData)); + event->obj = obj; + event->activate = args.onactivate; + event->selection = args.onselection; + event->activatedata = args.onactivatedata; + event->selectiondata = args.onselectiondata; + if(args.onactivate) { + g_signal_connect( + view, + "row-activated", + G_CALLBACK(ui_listview_activate_event), + event); + } + if(args.onselection) { + GtkTreeSelection *selection = gtk_tree_view_get_selection( + GTK_TREE_VIEW(view)); + g_signal_connect( + selection, + "changed", + G_CALLBACK(ui_listview_selection_event), + event); + } + // TODO: destroy callback + + + if(args.ondragstart) { + ui_listview_add_dnd(tableview, &args); + } + if(args.ondrop) { + ui_listview_enable_drop(tableview, &args); + } + + GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(view)); + if(args.multiselection) { + gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE); + } + + // add widget to the current container + GtkWidget *scroll_area = SCROLLEDWINDOW_NEW(); + gtk_scrolled_window_set_policy( + GTK_SCROLLED_WINDOW(scroll_area), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS + SCROLLEDWINDOW_SET_CHILD(scroll_area, view); + + if(args.contextmenu) { + UIMENU menu = ui_contextmenu_create(args.contextmenu, obj, scroll_area); +#if GTK_MAJOR_VERSION >= 4 + ui_widget_set_contextmenu(scroll_area, menu); +#else + ui_widget_set_contextmenu(view, menu); +#endif + } + + UI_APPLY_LAYOUT1(current, args); + current->container->add(current->container, scroll_area, FALSE); + + // ct->current should point to view, not scroll_area, to make it possible + // to add a context menu + current->container->current = view; + + return scroll_area; +} + +#if GTK_MAJOR_VERSION >= 4 + +static GdkContentProvider *ui_listview_dnd_prepare(GtkDragSource *source, double x, double y, void *data) { + //printf("drag prepare\n"); + UiListView *listview = data; + + UiDnD *dnd = ui_create_dnd(); + GdkContentProvider *provider = NULL; + + + if(listview->ondragstart) { + UiEvent event; + event.obj = listview->obj; + event.window = event.obj->window; + event.document = event.obj->ctx->document; + event.eventdata = dnd; + event.intval = 0; + listview->ondragstart(&event, listview->ondragstartdata); + } + + size_t numproviders = cxListSize(dnd->providers); + if(numproviders > 0) { + GdkContentProvider **providers = (GdkContentProvider**)cxListAt(dnd->providers, 0); + provider = gdk_content_provider_new_union(providers, numproviders); + } + ui_dnd_free(dnd); + + return provider; +} + +static void ui_listview_drag_begin(GtkDragSource *self, GdkDrag *drag, gpointer userdata) { + //printf("drag begin\n"); +} + +static void ui_listview_drag_end(GtkDragSource *self, GdkDrag *drag, gboolean delete_data, gpointer user_data) { + //printf("drag end\n"); + UiListView *listview = user_data; + if(listview->ondragcomplete) { + UiDnD dnd; + dnd.target = NULL; + dnd.value = NULL; + dnd.providers = NULL; + dnd.selected_action = gdk_drag_get_selected_action(drag); + dnd.delete = delete_data; + dnd.accept = FALSE; + + UiEvent event; + event.obj = listview->obj; + event.window = event.obj->window; + event.document = event.obj->ctx->document; + event.eventdata = &dnd; + event.intval = 0; + listview->ondragcomplete(&event, listview->ondragcompletedata); + } +} + +static gboolean ui_listview_drop( + GtkDropTarget *target, + const GValue* value, + gdouble x, + gdouble y, + gpointer user_data) +{ + UiListView *listview = user_data; + UiDnD dnd; + dnd.providers = NULL; + dnd.target = target; + dnd.value = value; + dnd.selected_action = 0; + dnd.delete = FALSE; + dnd.accept = FALSE; + + if(listview->ondrop) { + dnd.accept = TRUE; + UiEvent event; + event.obj = listview->obj; + event.window = event.obj->window; + event.document = event.obj->ctx->document; + event.eventdata = &dnd; + event.intval = 0; + listview->ondrop(&event, listview->ondropdata); + } + + return dnd.accept; +} + +void ui_listview_add_dnd(UiListView *listview, UiListArgs *args) { + GtkDragSource *dragsource = gtk_drag_source_new(); + gtk_widget_add_controller(listview->widget, GTK_EVENT_CONTROLLER(dragsource)); + g_signal_connect (dragsource, "prepare", G_CALLBACK (ui_listview_dnd_prepare), listview); + g_signal_connect( + dragsource, + "drag-begin", + G_CALLBACK(ui_listview_drag_begin), + listview); + g_signal_connect( + dragsource, + "drag-end", + G_CALLBACK(ui_listview_drag_end), + listview); +} + +void ui_listview_enable_drop(UiListView *listview, UiListArgs *args) { + GtkDropTarget *target = gtk_drop_target_new(G_TYPE_INVALID, GDK_ACTION_COPY); + gtk_widget_add_controller(listview->widget, GTK_EVENT_CONTROLLER(target)); + GType default_types[2] = { GDK_TYPE_FILE_LIST, G_TYPE_STRING }; + gtk_drop_target_set_gtypes(target, default_types, 2); + g_signal_connect(target, "drop", G_CALLBACK(ui_listview_drop), listview); +} + +#else + +static GtkTargetEntry targetentries[] = +{ + { "STRING", 0, 0 }, + { "text/plain", 0, 1 }, + { "text/uri-list", 0, 2 }, +}; + +static void ui_listview_drag_getdata( + GtkWidget* self, + GdkDragContext* context, + GtkSelectionData* data, + guint info, + guint time, + gpointer user_data) +{ + UiListView *listview = user_data; + UiDnD dnd; + dnd.context = context; + dnd.data = data; + dnd.selected_action = 0; + dnd.delete = FALSE; + dnd.accept = FALSE; + + if(listview->ondragstart) { + UiEvent event; + event.obj = listview->obj; + event.window = event.obj->window; + event.document = event.obj->ctx->document; + event.eventdata = &dnd; + event.intval = 0; + listview->ondragstart(&event, listview->ondragstartdata); + } +} + +static void ui_listview_drag_end( + GtkWidget *widget, + GdkDragContext *context, + guint time, + gpointer user_data) +{ + UiListView *listview = user_data; + UiDnD dnd; + dnd.context = context; + dnd.data = NULL; + dnd.selected_action = gdk_drag_context_get_selected_action(context); + dnd.delete = dnd.selected_action == UI_DND_ACTION_MOVE ? TRUE : FALSE; + dnd.accept = FALSE; + if(listview->ondragcomplete) { + UiEvent event; + event.obj = listview->obj; + event.window = event.obj->window; + event.document = event.obj->ctx->document; + event.eventdata = &dnd; + event.intval = 0; + listview->ondragcomplete(&event, listview->ondragcompletedata); + } +} + +void ui_listview_add_dnd(UiListView *listview, UiListArgs *args) { + gtk_tree_view_enable_model_drag_source( + GTK_TREE_VIEW(listview->widget), + GDK_BUTTON1_MASK, + targetentries, + 2, + GDK_ACTION_COPY); + + g_signal_connect(listview->widget, "drag-data-get", G_CALLBACK(ui_listview_drag_getdata), listview); + g_signal_connect(listview->widget, "drag-end", G_CALLBACK(ui_listview_drag_end), listview); +} + + + + +static void ui_listview_drag_data_received( + GtkWidget *self, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *data, + guint info, + guint time, + gpointer user_data) +{ + UiListView *listview = user_data; + UiDnD dnd; + dnd.context = context; + dnd.data = data; + dnd.selected_action = 0; + dnd.delete = FALSE; + dnd.accept = FALSE; + + if(listview->ondrop) { + dnd.accept = TRUE; + UiEvent event; + event.obj = listview->obj; + event.window = event.obj->window; + event.document = event.obj->ctx->document; + event.eventdata = &dnd; + event.intval = 0; + listview->ondrop(&event, listview->ondropdata); + } +} + +void ui_listview_enable_drop(UiListView *listview, UiListArgs *args) { + gtk_tree_view_enable_model_drag_dest( + GTK_TREE_VIEW(listview->widget), + targetentries, + 3, + GDK_ACTION_COPY); + if(listview->ondrop) { + g_signal_connect(listview->widget, "drag_data_received", G_CALLBACK(ui_listview_drag_data_received), listview); + } +} + +#endif + + +GtkWidget* ui_get_tree_widget(UIWIDGET widget) { + return SCROLLEDWINDOW_GET_CHILD(widget); +} + +static char** targets2array(char *target0, va_list ap, int *nelm) { + int al = 16; + char **targets = calloc(16, sizeof(char*)); + targets[0] = target0; + + int i = 1; + char *target; + while((target = va_arg(ap, char*)) != NULL) { + if(i >= al) { + al *= 2; + targets = realloc(targets, al*sizeof(char*)); + } + targets[i] = target; + i++; + } + + *nelm = i; + return targets; +} + +/* +static GtkTargetEntry* targetstr2gtktargets(char **str, int nelm) { + GtkTargetEntry *targets = calloc(nelm, sizeof(GtkTargetEntry)); + for(int i=0;i<nelm;i++) { + targets[i].target = str[i]; + } + return targets; +} +*/ + +void ui_table_dragsource(UIWIDGET tablewidget, int actions, char *target0, ...) { + va_list ap; + va_start(ap, target0); + int nelm; + char **targets = targets2array(target0, ap, &nelm); + va_end(ap); + + // disabled + //ui_table_dragsource_a(tablewidget, actions, targets, nelm); + + free(targets); +} + +/* +void ui_table_dragsource_a(UIWIDGET tablewidget, int actions, char **targets, int nelm) { + GtkTargetEntry* t = targetstr2gtktargets(targets, nelm); + gtk_tree_view_enable_model_drag_source( + GTK_TREE_VIEW(ui_get_tree_widget(tablewidget)), + GDK_BUTTON1_MASK, + t, + nelm, + GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_LINK); + free(t); +} + + +void ui_table_dragdest(UIWIDGET tablewidget, int actions, char *target0, ...) { + va_list ap; + va_start(ap, target0); + int nelm; + char **targets = targets2array(target0, ap, &nelm); + va_end(ap); + ui_table_dragdest_a(tablewidget, actions, targets, nelm); + free(targets); +} + +void ui_table_dragdest_a(UIWIDGET tablewidget, int actions, char **targets, int nelm) { + GtkTargetEntry* t = targetstr2gtktargets(targets, nelm); + gtk_tree_view_enable_model_drag_dest( + GTK_TREE_VIEW(ui_get_tree_widget(tablewidget)), + t, + nelm, + GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_LINK); + free(t); +} +*/ + +void ui_listview_update(UiList *list, int i) { + UiListView *view = list->obj; + GtkListStore *store = create_list_store(list, view->model); + gtk_tree_view_set_model(GTK_TREE_VIEW(view->widget), GTK_TREE_MODEL(store)); + g_object_unref(G_OBJECT(store)); +} + +UiListSelection ui_listview_getselection(UiList *list) { + UiListView *view = list->obj; + UiListSelection selection = ui_listview_selection( + gtk_tree_view_get_selection(GTK_TREE_VIEW(view->widget)), + NULL); + return selection; +} + +void ui_listview_setselection(UiList *list, UiListSelection selection) { + UiListView *view = list->obj; + GtkTreeSelection *sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(view->widget)); + GtkTreePath *path = gtk_tree_path_new_from_indicesv(selection.rows, selection.count); + gtk_tree_selection_select_path(sel, path); + //g_object_unref(path); +} + +void ui_listview_destroy(GtkWidget *w, UiListView *v) { + //gtk_tree_view_set_model(GTK_TREE_VIEW(w), NULL); + ui_destroy_boundvar(v->obj->ctx, v->var); + free(v); +} + +void ui_combobox_destroy(GtkWidget *w, UiListView *v) { + ui_destroy_boundvar(v->obj->ctx, v->var); + free(v); +} + + +void ui_listview_activate_event( + GtkTreeView *treeview, + GtkTreePath *path, + GtkTreeViewColumn *column, + UiTreeEventData *event) +{ + UiListSelection selection = ui_listview_selection( + gtk_tree_view_get_selection(treeview), + event); + + UiEvent e; + e.obj = event->obj; + e.window = event->obj->window; + e.document = event->obj->ctx->document; + e.eventdata = &selection; + e.intval = selection.count > 0 ? selection.rows[0] : -1; + event->activate(&e, event->activatedata); + + if(selection.count > 0) { + free(selection.rows); + } +} + +void ui_listview_selection_event( + GtkTreeSelection *treeselection, + UiTreeEventData *event) +{ + UiListSelection selection = ui_listview_selection(treeselection, event); + + UiEvent e; + e.obj = event->obj; + e.window = event->obj->window; + e.document = event->obj->ctx->document; + e.eventdata = &selection; + e.intval = selection.count > 0 ? selection.rows[0] : -1; + event->selection(&e, event->selectiondata); + + if(selection.count > 0) { + free(selection.rows); + } +} + +UiListSelection ui_listview_selection( + GtkTreeSelection *selection, + UiTreeEventData *event) +{ + GList *rows = gtk_tree_selection_get_selected_rows(selection, NULL); + + UiListSelection ls; + ls.count = g_list_length(rows); + ls.rows = calloc(ls.count, sizeof(int)); + GList *r = rows; + int i = 0; + while(r) { + GtkTreePath *path = r->data; + ls.rows[i] = ui_tree_path_list_index(path); + r = r->next; + i++; + } + return ls; +} + +int ui_tree_path_list_index(GtkTreePath *path) { + int depth = gtk_tree_path_get_depth(path); + if(depth == 0) { + fprintf(stderr, "UiError: treeview selection: depth == 0\n"); + return -1; + } + int *indices = gtk_tree_path_get_indices(path); + return indices[depth - 1]; +} + + +/* --------------------------- ComboBox --------------------------- */ + +UIWIDGET ui_combobox_create(UiObject *obj, UiListArgs args) { + UiObject* current = uic_current_obj(obj); + + UiModel *model = ui_model(obj->ctx, UI_STRING, "", -1); + model->getvalue = args.getvalue ? args.getvalue : ui_strmodel_getvalue; + + UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.list, args.varname, UI_VAR_LIST); + + GtkWidget *combobox = ui_create_combobox(obj, model, var, args.onactivate, args.onactivatedata); + ui_set_name_and_style(combobox, args.name, args.style_class); + ui_set_widget_groups(obj->ctx, combobox, args.groups); + UI_APPLY_LAYOUT1(current, args); + current->container->add(current->container, combobox, FALSE); + current->container->current = combobox; + return combobox; +} + +GtkWidget* ui_create_combobox(UiObject *obj, UiModel *model, UiVar *var, ui_callback f, void *udata) { + GtkWidget *combobox = gtk_combo_box_new(); + + UiListView *uicbox = malloc(sizeof(UiListView)); + uicbox->obj = obj; + uicbox->widget = combobox; + + UiList *list = var ? var->value : NULL; + GtkListStore *listmodel = create_list_store(list, model); + + if(listmodel) { + gtk_combo_box_set_model(GTK_COMBO_BOX(combobox), GTK_TREE_MODEL(listmodel)); + g_object_unref(listmodel); + } + + uicbox->var = var; + uicbox->model = model; + + g_signal_connect( + combobox, + "destroy", + G_CALLBACK(ui_combobox_destroy), + uicbox); + + // bind var + if(list) { + list->update = ui_combobox_modelupdate; + list->getselection = ui_combobox_getselection; + list->setselection = ui_combobox_setselection; + list->obj = uicbox; + } + + GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); + gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), renderer, TRUE); + gtk_cell_layout_set_attributes( + GTK_CELL_LAYOUT(combobox), + renderer, + "text", + 0, + NULL); + gtk_combo_box_set_active(GTK_COMBO_BOX(combobox), 0); + + // add callback + if(f) { + UiEventData *event = ui_malloc(obj->ctx, sizeof(UiEventData)); + event->obj = obj; + event->userdata = udata; + event->callback = f; + event->value = 0; + event->customdata = NULL; + + g_signal_connect( + combobox, + "changed", + G_CALLBACK(ui_combobox_change_event), + event); + } + + return combobox; +} + +void ui_combobox_change_event(GtkComboBox *widget, UiEventData *e) { + UiEvent event; + event.obj = e->obj; + event.window = event.obj->window; + event.document = event.obj->ctx->document; + event.eventdata = NULL; + event.intval = gtk_combo_box_get_active(widget); + e->callback(&event, e->userdata); +} + +void ui_combobox_modelupdate(UiList *list, int i) { + UiListView *view = list->obj; + GtkListStore *store = create_list_store(view->var->value, view->model); + gtk_combo_box_set_model(GTK_COMBO_BOX(view->widget), GTK_TREE_MODEL(store)); + g_object_unref(store); +} + +UiListSelection ui_combobox_getselection(UiList *list) { + UiListView *combobox = list->obj; + UiListSelection ret; + ret.rows = malloc(sizeof(int*)); + ret.count = 1; + ret.rows[0] = gtk_combo_box_get_active(GTK_COMBO_BOX(combobox->widget)); + return ret; +} + +void ui_combobox_setselection(UiList *list, UiListSelection selection) { + UiListView *combobox = list->obj; + if(selection.count > 0) { + gtk_combo_box_set_active(GTK_COMBO_BOX(combobox->widget), selection.rows[0]); + } +} + + +/* ------------------------------ Source List ------------------------------ */ + +static void ui_destroy_sourcelist(GtkWidget *w, UiListBox *v) { + cxListDestroy(v->sublists); + free(v); +} + +static void sublist_destroy(UiObject *obj, UiListBoxSubList *sublist) { + free(sublist->header); + ui_destroy_boundvar(obj->ctx, sublist->var); + cxListDestroy(sublist->widgets); +} + +static void listbox_create_header(GtkListBoxRow* row, GtkListBoxRow* before, gpointer user_data) { + // first rows in sublists have the ui_listbox property + UiListBox *listbox = g_object_get_data(G_OBJECT(row), "ui_listbox"); + if(!listbox) { + return; + } + + UiListBoxSubList *sublist = g_object_get_data(G_OBJECT(row), "ui_listbox_sublist"); + if(!sublist) { + return; + } + + if(sublist->separator) { + GtkWidget *separator = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL); + gtk_list_box_row_set_header(row, separator); + } else if(sublist->header) { + GtkWidget *header = gtk_label_new(sublist->header); + gtk_widget_set_halign(header, GTK_ALIGN_START); + if(row == listbox->first_row) { + WIDGET_ADD_CSS_CLASS(header, "ui-listbox-header-first"); + } else { + WIDGET_ADD_CSS_CLASS(header, "ui-listbox-header"); + } + gtk_list_box_row_set_header(row, header); + } +} + +#ifdef UI_GTK3 +typedef struct _UiSidebarListBoxClass { + GtkListBoxClass parent_class; +} UiSidebarListBoxClass; + +typedef struct _UiSidebarListBox { + GtkListBox parent_instance; +} UiSidebarListBox; + +G_DEFINE_TYPE(UiSidebarListBox, ui_sidebar_list_box, GTK_TYPE_LIST_BOX) + +/* Initialize the instance */ +static void ui_sidebar_list_box_class_init(UiSidebarListBoxClass *klass) { + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass); + gtk_widget_class_set_css_name (widget_class, "placessidebar"); +} + +static void ui_sidebar_list_box_init(UiSidebarListBox *self) { + +} +#endif + +UIEXPORT UIWIDGET ui_sourcelist_create(UiObject *obj, UiSourceListArgs args) { + UiObject* current = uic_current_obj(obj); + +#ifdef UI_GTK3 + GtkWidget *listbox = g_object_new(ui_sidebar_list_box_get_type(), NULL); +#else + GtkWidget *listbox = gtk_list_box_new(); +#endif + if(!args.style_class) { +#if GTK_MAJOR_VERSION >= 4 + WIDGET_ADD_CSS_CLASS(listbox, "navigation-sidebar"); +#else + WIDGET_ADD_CSS_CLASS(listbox, "sidebar"); +#endif + } + gtk_list_box_set_header_func(GTK_LIST_BOX(listbox), listbox_create_header, NULL, NULL); + GtkWidget *scroll_area = SCROLLEDWINDOW_NEW(); + SCROLLEDWINDOW_SET_CHILD(scroll_area, listbox); + + ui_set_name_and_style(listbox, args.name, args.style_class); + ui_set_widget_groups(obj->ctx, listbox, args.groups); + UI_APPLY_LAYOUT1(current, args); + current->container->add(current->container, scroll_area, TRUE); + + UiListBox *uilistbox = malloc(sizeof(UiListBox)); + uilistbox->obj = obj; + uilistbox->listbox = GTK_LIST_BOX(listbox); + uilistbox->getvalue = args.getvalue; + uilistbox->onactivate = args.onactivate; + uilistbox->onactivatedata = args.onactivatedata; + uilistbox->onbuttonclick = args.onbuttonclick; + uilistbox->onbuttonclickdata = args.onbuttonclickdata; + uilistbox->sublists = cxArrayListCreateSimple(sizeof(UiListBoxSubList), 4); + uilistbox->sublists->collection.advanced_destructor = (cx_destructor_func2)sublist_destroy; + uilistbox->sublists->collection.destructor_data = obj; + uilistbox->first_row = NULL; + + if(args.numsublists == 0 && args.sublists) { + args.numsublists = INT_MAX; + } + for(int i=0;i<args.numsublists;i++) { + UiSubList sublist = args.sublists[i]; + if(!sublist.varname && !sublist.value) { + break; + } + + UiListBoxSubList uisublist; + uisublist.var = uic_widget_var( + obj->ctx, + current->ctx, + sublist.value, + sublist.varname, + UI_VAR_LIST); + uisublist.numitems = 0; + uisublist.header = sublist.header ? strdup(sublist.header) : NULL; + uisublist.separator = sublist.separator; + uisublist.widgets = cxLinkedListCreateSimple(CX_STORE_POINTERS); + uisublist.listbox = uilistbox; + uisublist.userdata = sublist.userdata; + uisublist.index = i; + + cxListAdd(uilistbox->sublists, &uisublist); + + // bind UiList + UiListBoxSubList *sublist_ptr = cxListAt(uilistbox->sublists, cxListSize(uilistbox->sublists)-1); + UiList *list = uisublist.var->value; + if(list) { + list->obj = sublist_ptr; + list->update = ui_listbox_list_update; + } + } + // fill items + ui_listbox_update(uilistbox, 0, cxListSize(uilistbox->sublists)); + + // register uilistbox for both widgets, so it doesn't matter which + // widget is used later + g_object_set_data(G_OBJECT(scroll_area), "ui_listbox", uilistbox); + g_object_set_data(G_OBJECT(listbox), "ui_listbox", uilistbox); + + // signals + g_signal_connect( + listbox, + "destroy", + G_CALLBACK(ui_destroy_sourcelist), + uilistbox); + + if(args.onactivate) { + g_signal_connect( + listbox, + "row-activated", + G_CALLBACK(ui_listbox_row_activate), + NULL); + } + + return scroll_area; +} + +void ui_listbox_update(UiListBox *listbox, int from, int to) { + CxIterator i = cxListIterator(listbox->sublists); + size_t pos = 0; + cx_foreach(UiListBoxSubList *, sublist, i) { + if(i.index < from) { + pos += sublist->numitems; + continue; + } + if(i.index > to) { + break; + } + + // reload sublist + ui_listbox_update_sublist(listbox, sublist, pos); + pos += sublist->numitems; + } +} + +static GtkWidget* create_listbox_row(UiListBox *listbox, UiListBoxSubList *sublist, UiSubListItem *item, int index) { + GtkWidget *hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); + if(item->icon) { + GtkWidget *icon = ICON_IMAGE(item->icon); + BOX_ADD(hbox, icon); + } + GtkWidget *label = gtk_label_new(item->label); + gtk_widget_set_halign(label, GTK_ALIGN_START); + BOX_ADD_EXPAND(hbox, label); + // TODO: badge, button + GtkWidget *row = gtk_list_box_row_new(); + LISTBOX_ROW_SET_CHILD(row, hbox); + + // signals + UiEventDataExt *event = malloc(sizeof(UiEventDataExt)); + memset(event, 0, sizeof(UiEventDataExt)); + event->obj = listbox->obj; + event->customdata0 = sublist; + event->customdata1 = sublist->var; + event->customdata2 = item->eventdata; + event->callback = listbox->onactivate; + event->userdata = listbox->onactivatedata; + event->callback2 = listbox->onbuttonclick; + event->userdata2 = listbox->onbuttonclickdata; + event->value0 = index; + + g_signal_connect( + row, + "destroy", + G_CALLBACK(ui_destroy_userdata), + event); + + g_object_set_data(G_OBJECT(row), "ui-listbox-row-eventdata", event); + + return row; +} + +void ui_listbox_update_sublist(UiListBox *listbox, UiListBoxSubList *sublist, size_t listbox_insert_index) { + // clear sublist + CxIterator r = cxListIterator(sublist->widgets); + cx_foreach(GtkWidget*, widget, r) { + LISTBOX_REMOVE(listbox->listbox, widget); + } + cxListClear(sublist->widgets); + + sublist->numitems = 0; + + // create items for each UiList element + UiList *list = sublist->var->value; + if(!list) { + return; + } + + size_t index = 0; + void *elm = list->first(list); + while(elm) { + UiSubListItem item = { NULL, NULL, NULL, NULL, NULL, NULL }; + listbox->getvalue(sublist->userdata, elm, index, &item); + + // create listbox item + GtkWidget *row = create_listbox_row(listbox, sublist, &item, (int)index); + if(index == 0) { + // first row in the sublist, set ui_listbox data to the row + // which is then used by the headerfunc + g_object_set_data(G_OBJECT(row), "ui_listbox", listbox); + g_object_set_data(G_OBJECT(row), "ui_listbox_sublist", sublist); + + if(listbox_insert_index == 0) { + // first row in the GtkListBox + listbox->first_row = GTK_LIST_BOX_ROW(row); + } + } + intptr_t rowindex = listbox_insert_index + index; + g_object_set_data(G_OBJECT(row), "ui_listbox_row_index", (gpointer)rowindex); + gtk_list_box_insert(listbox->listbox, row, listbox_insert_index + index); + cxListAdd(sublist->widgets, row); + + // cleanup + free(item.label); + free(item.icon); + free(item.button_label); + free(item.button_icon); + free(item.badge); + + // next row + elm = list->next(list); + index++; + } + + sublist->numitems = cxListSize(sublist->widgets); +} + +void ui_listbox_list_update(UiList *list, int i) { + UiListBoxSubList *sublist = list->obj; +} + +void ui_listbox_row_activate(GtkListBox *self, GtkListBoxRow *row, gpointer user_data) { + UiEventDataExt *data = g_object_get_data(G_OBJECT(row), "ui-listbox-row-eventdata"); + if(!data) { + return; + } + UiListBoxSubList *sublist = data->customdata0; + + UiEvent event; + event.obj = data->obj; + event.window = event.obj->window; + event.document = event.obj->ctx->document; + event.eventdata = data->customdata2; + event.intval = data->value0; + + if(data->callback) { + data->callback(&event, data->userdata); + } +}