ui/gtk/list.c

changeset 115
e57ca2747782
parent 113
dde28a806552
--- a/ui/gtk/list.c	Sun Dec 07 20:00:33 2025 +0100
+++ b/ui/gtk/list.c	Sat Dec 13 15:58:58 2025 +0100
@@ -80,6 +80,7 @@
     memset(tableview, 0, sizeof(UiListView));
     tableview->obj = obj;
     tableview->model = args->model;
+    tableview->multiselection = args->multiselection;
     tableview->onactivate = args->onactivate;
     tableview->onactivatedata = args->onactivatedata;
     tableview->onselection = args->onselection;
@@ -98,6 +99,11 @@
     tableview->onsave = args->onsave;
     tableview->onsavedata = args->onsavedata;
     
+#if GTK_CHECK_VERSION(4, 0, 0)
+    tableview->coldata.listview = tableview;
+    tableview->coldata.column = 0;
+#endif
+    
     if(args->getvalue2) {
         tableview->getvalue = args->getvalue2;
         tableview->getvaluedata = args->getvalue2data;
@@ -200,7 +206,7 @@
 static void column_factory_setup(GtkListItemFactory *factory, GtkListItem *item, gpointer userdata) {
     UiColData *col = userdata;
     UiModel *model = col->listview->model;
-    UiModelType type = model->types[col->model_column];
+    UiModelType type = model->types[col->column];
     if(type == UI_ICON_TEXT || type == UI_ICON_TEXT_FREE) {
         GtkWidget *hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6);
         GtkWidget *image = gtk_image_new();
@@ -281,16 +287,17 @@
     UiColData *col = userdata;
     UiList *list = col->listview->var ? col->listview->var->value : NULL;
     UiListView *listview = col->listview;
+    int datacolumn = listview->columns[col->column];
      
     ObjWrapper *obj = gtk_list_item_get_item(item);
     UiModel *model = col->listview->model;
-    UiModelType type = model->types[col->model_column];
+    UiModelType type = model->types[col->column];
     
     // cache the GtkListItem
     CxHashKey row_key = cx_hash_key(&obj->i, sizeof(int));
     UiRowItems *row = cxMapGet(listview->bound_rows, row_key);
     if(row) {
-        if(row->items[col->model_column] == NULL) {
+        if(row->items[col->column] == NULL) {
             row->bound++;
         }
     } else {
@@ -298,10 +305,10 @@
         cxMapPut(listview->bound_rows, row_key, row);
         row->bound = 1;
     }
-    row->items[col->model_column] = item;
+    row->items[col->column] = item;
     
     UiBool freevalue = FALSE;
-    void *data = listview->getvalue(list, obj->data, obj->i, col->data_column, listview->getvaluedata, &freevalue);
+    void *data = listview->getvalue(list, obj->data, obj->i, datacolumn, listview->getvaluedata, &freevalue);
     GtkWidget *child = gtk_list_item_get_child(item);
     
     PangoAttrList *attributes = NULL;
@@ -319,7 +326,7 @@
             }
         }
         
-        int style_col = col->data_column;
+        int style_col = datacolumn;
         if(type == UI_ICON_TEXT || type == UI_ICON_TEXT_FREE) {
             style_col++; // col->data_column is the icon, we need the next col for the label
         }
@@ -363,7 +370,7 @@
             
         }
         case UI_ICON_TEXT_FREE: {
-            void *data2 = listview->getvalue(list, obj->data, obj->i, col->data_column+1, listview->getvaluedata, &freevalue);
+            void *data2 = listview->getvalue(list, obj->data, obj->i, datacolumn+1, listview->getvaluedata, &freevalue);
             if(type == UI_ICON_TEXT_FREE) {
                 freevalue = TRUE;
             }
@@ -387,7 +394,7 @@
             if(entry) {
                 entry->listview = col->listview;
                 entry->row = obj->i;
-                entry->col = col->data_column;
+                entry->col = datacolumn;
                 entry->previous_value = strdup(data);
             }
             ENTRY_SET_TEXT(child, data);
@@ -405,13 +412,13 @@
     }
 }
 
-static void column_factory_unbind(GtkSignalListItemFactory *self, GtkListItem *item, UiColData *col) {
+static void column_factory_unbind(GtkSignalListItemFactory *self, GtkListItem *item, UiColData *col) {  
     ObjWrapper *obj = gtk_list_item_get_item(item);
     UiListView *listview = col->listview;
     CxHashKey row_key = cx_hash_key(&obj->i, sizeof(int));
     UiRowItems *row = cxMapGet(listview->bound_rows, row_key);
     if(row) {
-        row->items[col->model_column] = NULL;
+        row->items[col->column] = NULL;
         row->bound--;
         if(row->bound == 0) {
             cxMapRemove(listview->bound_rows, row_key);
@@ -457,17 +464,16 @@
     }
     
     listview->numcolumns = 1;
-    listview->columns = malloc(sizeof(UiColData));
-    listview->columns->listview = listview;
-    listview->columns->data_column = 0;
-    listview->columns->model_column = 0;
+    listview->columns = malloc(sizeof(int));
+    listview->columns[0] = 0;
     
     listview->bound_rows = cxHashMapCreate(NULL, CX_STORE_POINTERS, 128);
     listview->bound_rows->collection.simple_destructor = (cx_destructor_func)free;
      
     GtkListItemFactory *factory = gtk_signal_list_item_factory_new();
-    g_signal_connect(factory, "setup", G_CALLBACK(column_factory_setup), listview->columns);
-    g_signal_connect(factory, "bind", G_CALLBACK(column_factory_bind), listview->columns);
+    g_signal_connect(factory, "setup", G_CALLBACK(column_factory_setup), &listview->coldata);
+    g_signal_connect(factory, "bind", G_CALLBACK(column_factory_bind), &listview->coldata);
+    g_signal_connect(factory, "unbind", G_CALLBACK(column_factory_unbind), &listview->coldata);
     
     GtkSelectionModel *selection_model = create_selection_model(listview, ls, args->multiselection);
     GtkWidget *view = gtk_list_view_new(GTK_SELECTION_MODEL(selection_model), factory);
@@ -540,7 +546,7 @@
     return scroll_area;
 }
 
-UIWIDGET ui_combobox_create(UiObject *obj, UiListArgs *args) {
+UIWIDGET ui_dropdown_create(UiObject *obj, UiListArgs *args) {
     // to simplify things and share code with ui_tableview_create, we also
     // use a UiModel for the listview
     UiModel *model = ui_model(obj->ctx, UI_STRING, "", -1);
@@ -554,17 +560,15 @@
     }
     
     listview->numcolumns = 1;
-    listview->columns = malloc(sizeof(UiColData));
-    listview->columns->listview = listview;
-    listview->columns->data_column = 0;
-    listview->columns->model_column = 0;
+    listview->columns = malloc(sizeof(int));
+    listview->columns[0] = 0;
     
     listview->bound_rows = cxHashMapCreate(NULL, CX_STORE_POINTERS, 128);
     listview->bound_rows->collection.simple_destructor = (cx_destructor_func)free;
     
     GtkListItemFactory *factory = gtk_signal_list_item_factory_new();
-    g_signal_connect(factory, "setup", G_CALLBACK(column_factory_setup), listview->columns);
-    g_signal_connect(factory, "bind", G_CALLBACK(column_factory_bind), listview->columns);
+    g_signal_connect(factory, "setup", G_CALLBACK(column_factory_setup), &listview->coldata);
+    g_signal_connect(factory, "bind", G_CALLBACK(column_factory_bind), &listview->coldata);
     
     GtkWidget *view = gtk_drop_down_new(G_LIST_MODEL(ls), NULL);
     gtk_drop_down_set_factory(GTK_DROP_DOWN(view), factory);
@@ -591,8 +595,8 @@
         
         list->obj = listview;
         list->update = ui_listview_update2;
-        list->getselection = ui_combobox_getselection;
-        list->setselection = ui_combobox_setselection;
+        list->getselection = ui_dropdown_getselection;
+        list->setselection = ui_dropdown_setselection;
         
         ui_update_liststore(ls, list);
     } else if (args->static_elements && args->static_nelm > 0) {
@@ -619,10 +623,34 @@
     gtk_selection_model_select_item(model, index, TRUE);
 }
     
-void ui_combobox_select(UIWIDGET dropdown, int index) {
+void ui_dropdown_select(UIWIDGET dropdown, int index) {
     gtk_drop_down_set_selected(GTK_DROP_DOWN(dropdown), index);
 }
 
+static void add_column(UiListView *tableview, int index) {
+    UiModel *model = tableview->model;
+    
+    UiColData *col = malloc(sizeof(UiColData));
+    col->listview = tableview;
+    col->column = index;
+    
+    GtkListItemFactory *factory = gtk_signal_list_item_factory_new();
+    g_signal_connect(factory, "setup", G_CALLBACK(column_factory_setup), col);
+    g_signal_connect(factory, "bind", G_CALLBACK(column_factory_bind), col);
+    g_object_set_data_full(G_OBJECT(factory), "coldata", col, (GDestroyNotify)free);
+
+    GtkColumnViewColumn *column = gtk_column_view_column_new(model->titles[index], factory);
+    gtk_column_view_column_set_resizable(column, true);
+    gtk_column_view_insert_column(GTK_COLUMN_VIEW(tableview->widget), index, column);
+
+    int size = model->columnsize[index];
+    if(size > 0) {
+        gtk_column_view_column_set_fixed_width(column, size);
+    } else if(size < 0) {
+        gtk_column_view_column_set_expand(column, TRUE);
+    }
+}
+
 UIWIDGET ui_table_create(UiObject *obj, UiListArgs *args) {
     GListStore *ls = g_list_store_new(G_TYPE_OBJECT);
     //g_list_store_append(ls, v1);
@@ -650,9 +678,13 @@
     
     // create columns from UiModel
     UiModel *model = args->model;
-    int columns = model ? model->columns : 0;
+    int columns = 0;
+    if(model) {
+        columns = model->columns;
+        ui_model_add_observer(model, ui_listview_update_model, tableview);
+    }
     
-    tableview->columns = calloc(columns, sizeof(UiColData));
+    tableview->columns = calloc(columns, sizeof(int));
     tableview->numcolumns = columns;
     
     tableview->bound_rows = cxHashMapCreate(NULL, CX_STORE_POINTERS, 128);
@@ -660,30 +692,14 @@
     
     int addi = 0;
     for(int i=0;i<columns;i++) {
-        tableview->columns[i].listview = tableview;
-        tableview->columns[i].model_column = i;
-        tableview->columns[i].data_column = i+addi;
+        tableview->columns[i] = i+addi;
         
         if(model->types[i] == UI_ICON_TEXT || model->types[i] == UI_ICON_TEXT_FREE) {
             // icon+text has 2 data columns
             addi++;
         }
         
-        GtkListItemFactory *factory = gtk_signal_list_item_factory_new();
-        UiColData *col = &tableview->columns[i]; 
-        g_signal_connect(factory, "setup", G_CALLBACK(column_factory_setup), col);
-	g_signal_connect(factory, "bind", G_CALLBACK(column_factory_bind), col);
-        
-        GtkColumnViewColumn *column = gtk_column_view_column_new(model->titles[i], factory);
-        gtk_column_view_column_set_resizable(column, true);
-        gtk_column_view_append_column(GTK_COLUMN_VIEW(view), column);
-        
-        int size = model->columnsize[i];
-        if(size > 0) {
-            gtk_column_view_column_set_fixed_width(column, size);
-        } else if(size < 0) {
-            gtk_column_view_column_set_expand(column, TRUE);
-        }
+        add_column(tableview, i);
     }
     
     // bind listview to list
@@ -734,6 +750,49 @@
     return scroll_area;
 }
 
+void ui_listview_update_model(UiModel *model, void *userdata, int insert_index, int delete_index) {
+    UiListView *listview = userdata;
+    if(insert_index >= listview->numcolumns) {
+        listview->numcolumns = insert_index+1;
+        listview->columns = realloc(listview->columns, listview->numcolumns * sizeof(UiColData));
+    }
+    
+    gtk_column_view_set_model(GTK_COLUMN_VIEW(listview->widget), NULL);
+    cxMapClear(listview->bound_rows);
+    
+    if(insert_index) {
+        int prev = 0;
+        if(insert_index > 0) {
+            prev = listview->columns[insert_index-1];
+        }
+        listview->columns[insert_index] = prev+1;
+        add_column(listview, insert_index);
+        
+        if(insert_index+1 < listview->numcolumns) {
+            // the data index of trailing columns must be adjusted
+            UiModelType type = model->types[insert_index];
+            int add = 1;
+            if(type == UI_ICON_TEXT || type == UI_ICON_TEXT_FREE) {
+                add++;
+            }
+            for(int i=insert_index+1;i<listview->numcolumns;i++) {
+                listview->columns[i] += add;
+            }
+        }
+    } // TODO: delete_index
+    
+    GListStore *ls = g_list_store_new(G_TYPE_OBJECT);
+    GtkSelectionModel *selection_model = create_selection_model(listview, ls, listview->multiselection);
+    gtk_column_view_set_model(GTK_COLUMN_VIEW(listview->widget), selection_model);
+    listview->selectionmodel = selection_model;
+    listview->liststore = ls;
+    
+    if(listview->var) {
+        UiList *list = listview->var->value;
+        ui_list_update(list);
+    }
+}
+
 static UiListSelection selectionmodel_get_selection(GtkSelectionModel *model) {
     UiListSelection sel = { 0, NULL };
     GtkBitset *bitset = gtk_selection_model_get_selection(model);
@@ -860,7 +919,9 @@
 
 void ui_listview_update2(UiList *list, int i) {
     UiListView *view = list->obj;
+    view->current_row = -1;
     if(i < 0) {
+        cxMapClear(view->bound_rows);
         ui_update_liststore(view->liststore, list);
     } else {
         void *value = list->get(list, i);
@@ -873,9 +934,12 @@
             CxHashKey row_key = cx_hash_key(&i, sizeof(int));
             UiRowItems *row = cxMapGet(view->bound_rows, row_key);
             if(row) {
+                UiColData coldata;
+                coldata.listview = view;
                 for(int c=0;c<view->numcolumns;c++) {
                     if(row->items[c] != NULL) {
-                        column_factory_bind(NULL, row->items[c], &view->columns[c]);
+                        coldata.column = c;
+                        column_factory_bind(NULL, row->items[c], &coldata);
                     }
                 }
             }
@@ -915,7 +979,7 @@
     ui_setop_enable(FALSE);
 }
 
-UiListSelection ui_combobox_getselection(UiList *list) {
+UiListSelection ui_dropdown_getselection(UiList *list) {
     UiListView *view = list->obj;
     guint selection = gtk_drop_down_get_selected(GTK_DROP_DOWN(view->widget));
     UiListSelection sel = { 0, NULL };
@@ -927,7 +991,7 @@
     return sel;
 }
 
-void ui_combobox_setselection(UiList *list, UiListSelection selection) {
+void ui_dropdown_setselection(UiList *list, UiListSelection selection) {
     ui_setop_enable(TRUE);
     UiListView *view = list->obj;
     if(selection.count > 0) {
@@ -1156,7 +1220,7 @@
     // 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);
+    ui_set_widget_states(obj->ctx, view, args->states);
     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);
@@ -1272,7 +1336,7 @@
     //g_object_unref(path);
 }
     
-void ui_combobox_select(UIWIDGET dropdown, int index) {
+void ui_dropdown_select(UIWIDGET dropdown, int index) {
     gtk_combo_box_set_active(GTK_COMBO_BOX(dropdown), index);
 }
 
@@ -1514,16 +1578,16 @@
 
 
 
-/* --------------------------- ComboBox ---------------------------  */
+/* --------------------------- Dropdown ---------------------------  */
 
-UIWIDGET ui_combobox_create(UiObject *obj, UiListArgs *args) {
+UIWIDGET ui_dropdown_create(UiObject *obj, UiListArgs *args) {
     GtkWidget *combobox = gtk_combo_box_new();
     if(args->width > 0) {
         gtk_widget_set_size_request(combobox, args->width, -1);
     }
     
     ui_set_name_and_style(combobox, args->name, args->style_class);
-    ui_set_widget_groups(obj->ctx, combobox, args->groups);
+    ui_set_widget_states(obj->ctx, combobox, args->states);
     UiContainerPrivate *ct = (UiContainerPrivate*)obj->container_end;
     UiLayout layout = UI_ARGS2LAYOUT(args);
     ct->add(ct, combobox, &layout);
@@ -1544,8 +1608,8 @@
     if(var) {
         listview->var = var;
         list->update = ui_combobox_modelupdate;
-        list->getselection = ui_combobox_getselection;
-        list->setselection = ui_combobox_setselection;
+        list->getselection = ui_dropdown_getselection;
+        list->setselection = ui_dropdown_setselection;
         list->obj = listview;
         list->update(list, -1);
     } else if(args->static_nelm > 0) {
@@ -1622,7 +1686,7 @@
     g_object_unref(store);
 }
 
-UiListSelection ui_combobox_getselection(UiList *list) {
+UiListSelection ui_dropdown_getselection(UiList *list) {
     UiListView *combobox = list->obj;
     UiListSelection ret;
     ret.rows = malloc(sizeof(int*));
@@ -1631,7 +1695,7 @@
     return ret;
 }
 
-void ui_combobox_setselection(UiList *list, UiListSelection selection) {
+void ui_dropdown_setselection(UiList *list, UiListSelection selection) {
     ui_setop_enable(TRUE);
     UiListView *combobox = list->obj;
     if(selection.count > 0) {
@@ -2045,6 +2109,10 @@
     if(v->var) {
         ui_destroy_boundvar(v->obj->ctx, v->var);
     }
+    if(v->model) {
+        ui_model_remove_observer(v->model, v);
+        ui_model_unref(v->model);
+    }
     if(v->elements) {
         for(int i=0;i<v->nelm;i++) {
             free(v->elements[i]);
@@ -2160,6 +2228,8 @@
         UiList *list = uisublist.var->value;
         list->obj = sublist_ptr;
         list->update = ui_listbox_list_update;
+        list->getselection = ui_listbox_list_getselection;
+        list->setselection = ui_listbox_list_setselection;
     }
 }
 
@@ -2181,7 +2251,7 @@
     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_set_widget_states(obj->ctx, listbox, args->states);
     UiContainerPrivate *ct = (UiContainerPrivate*)obj->container_end;
     UiLayout layout = UI_ARGS2LAYOUT(args);
     ct->add(ct, scroll_area, &layout);
@@ -2223,6 +2293,8 @@
             UiList *list = var->value;
             list->obj = uilistbox;
             list->update = ui_listbox_dynamic_update;
+            list->getselection = ui_listbox_dynamic_getselection;
+            list->setselection = ui_listbox_dynamic_setselection;
             
             ui_listbox_dynamic_update(list, -1);
         }
@@ -2294,6 +2366,32 @@
     ui_listbox_update(uilistbox, 0, cxListSize(uilistbox->sublists));
 }
 
+void ui_listbox_dynamic_setselection(UiList *list, UiListSelection sel) {
+    UiListBox *uilistbox = list->obj;
+    gtk_list_box_unselect_all(uilistbox->listbox);
+    if(sel.count > 0) {
+        int index = sel.rows[0];
+        if(index >= 0) {
+            GtkListBoxRow *row = gtk_list_box_get_row_at_index(uilistbox->listbox, index);
+            if(row) {
+                gtk_list_box_select_row(uilistbox->listbox, row);
+            }
+        }
+    }
+}
+
+UiListSelection ui_listbox_dynamic_getselection(UiList *list) {
+    UiListSelection sel = { 0, NULL };
+    UiListBox *uilistbox = list->obj;
+    GtkListBoxRow *row = gtk_list_box_get_selected_row(uilistbox->listbox);
+    if(row) {
+        sel.count = 1;
+        sel.rows = malloc(sizeof(int));
+        sel.rows[0] = gtk_list_box_row_get_index(row);
+    }
+    return sel;
+}
+
 void ui_listbox_update(UiListBox *listbox, int from, int to) {
     CxIterator i = cxListIterator(listbox->sublists);
     size_t pos = 0;
@@ -2659,6 +2757,39 @@
     ui_sourcelist_update_finished();
 }
 
+void ui_listbox_list_setselection(UiList *list, UiListSelection sel) {
+    UiListBoxSubList *sublist = list->obj;
+    UiListBox *uilistbox = sublist->listbox;
+    gtk_list_box_unselect_all(uilistbox->listbox);
+    if(sel.count > 0) {
+        int index = sel.rows[0];
+        if(index >= 0 && index < sublist->numitems) {
+            int global_index = sublist->startpos + index;
+            GtkListBoxRow *row = gtk_list_box_get_row_at_index(uilistbox->listbox, global_index);
+            if(row) {
+                gtk_list_box_select_row(uilistbox->listbox, row);
+            }
+        }
+    }
+}
+
+UiListSelection ui_listbox_list_getselection(UiList *list) {
+    UiListSelection sel = { 0, NULL };
+    UiListBoxSubList *sublist = list->obj;
+    UiListBox *uilistbox = sublist->listbox;
+    GtkListBoxRow *row = gtk_list_box_get_selected_row(uilistbox->listbox);
+    if(row) {
+        int index = gtk_list_box_row_get_index(row);
+        size_t startpos = sublist->startpos;
+        if(index >= startpos && index < startpos+sublist->numitems) {
+            sel.count = 1;
+            sel.rows = malloc(sizeof(int));
+            sel.rows[0] = index - startpos;
+        }
+    }
+    return sel;
+}
+
 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) {

mercurial