diff -r ab71409644b0 -r 31bc86844659 ui/gtk/tree.c
--- a/ui/gtk/tree.c	Sun Sep 29 20:25:41 2024 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,666 +0,0 @@
-/*
- * 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 "tree.h"
-#include "image.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
-                        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->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();
-    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;
-    
-    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));
-    
-    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->obj = listview;
-    
-    // add callback
-    if(args.onactivate) {
-        UiTreeEventData *event = ui_malloc(obj->ctx, sizeof(UiTreeEventData));
-        event->obj = obj;
-        event->activatedata = args.onactivatedata;
-        event->activate = args.onactivate;
-        event->selection = NULL;
-
-        g_signal_connect(
-                view,
-                "row-activated",
-                G_CALLBACK(ui_listview_activate_event),
-                event);
-    }
-    
-    // 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);
-        }
-        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_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;
-    g_signal_connect(
-                view,
-                "destroy",
-                G_CALLBACK(ui_listview_destroy),
-                tableview);
-    
-    // bind var
-    list->update = ui_listview_update;
-    list->getselection = ui_listview_getselection;
-    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
-
-    
-    GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(view));
-    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);
-    
-    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;
-}
-
-
-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));
-    // TODO: free old model
-}
-
-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_destroy(GtkWidget *w, UiListView *v) {
-    gtk_tree_view_set_model(GTK_TREE_VIEW(w), NULL);
-    ui_destroy_boundvar(v->obj->ctx, v->var);
-    // TODO: destroy model?
-    free(v);
-}
-
-void ui_combobox_destroy(GtkWidget *w, UiListView *v) {
-    gtk_combo_box_set_model(GTK_COMBO_BOX(w), NULL);
-    ui_destroy_boundvar(v->obj->ctx, v->var);
-    // TODO: destroy model?
-    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;
-    
-    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_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));
-    }
-    
-    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;
-        // TODO: combobox getselection
-        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));
-}
-