First (quite working) real tree in Gem-graph

This commit is contained in:
Adrien Bourmault 2024-02-21 20:23:35 +01:00
parent 79cae53525
commit feabe6662e
5 changed files with 303 additions and 23 deletions

View File

@ -146,6 +146,21 @@ void on_glarea_unrealize(GtkWidget *widget);
void on_close_window(GtkWidget *widget);
//
// Tree-related events
//
void on_tree_expander_toggled(GtkExpander *expander, gpointer user_data);
void on_tree_setup_factory(GtkSignalListItemFactory *factory,
GObject* object, gpointer user_data);
void on_tree_bind_factory(GtkSignalListItemFactory *factory, GObject* object,
gpointer user_data);
void on_tree_selection_changed(GtkSelectionModel* self, guint position,
guint n_items, gpointer user_data);
/* -------------------------------------------------------------------------- */
//
@ -230,3 +245,5 @@ void ui_shutdown_all_graphic_stacks(void);
*/
bool ui_update_axis_stack(GtkWidget *container_widget, int axis, int value);
// XXX
void ui_create_tree (GtkWidget *target_widget);

View File

@ -367,3 +367,64 @@ void ui_model_loading(GObject *source_object,
g_free(content);
}
/* -------------------------------------------------------------------------- */
/*
* Tree-related signals
*/
void on_tree_expander_toggled(GtkExpander *expander, gpointer user_data)
{
// This is a conceptual callback for when an expander is toggled
GtkTreeListRow *row = GTK_TREE_LIST_ROW(user_data);
gboolean is_expanded = gtk_tree_list_row_get_expanded(row);
gtk_tree_list_row_set_expanded(row, !is_expanded);
}
void on_tree_setup_factory (GtkSignalListItemFactory *factory,
GObject* object,
gpointer user_data)
{
GtkWidget* expander = gtk_expander_new (NULL);
gtk_list_item_set_child (GTK_LIST_ITEM(object), expander);
printf("[on_tree_setup_factory] here is an expander\n");
}
void on_tree_bind_factory (GtkSignalListItemFactory *factory,
GObject* object,
gpointer user_data)
{
GObject *item;
const gchar *text;
GtkTreeListRow *row;
GtkListItem *list_item;
GtkWidget *expander;
list_item= GTK_LIST_ITEM(object);
row = gtk_list_item_get_item(list_item);
if (row != NULL) {
text = gtk_string_object_get_string(GTK_STRING_OBJECT(gtk_tree_list_row_get_item(row)));
expander = gtk_list_item_get_child(list_item);
gtk_expander_set_label(GTK_EXPANDER(expander), text);
// Disconnect previous signal handlers to avoid stacking them
g_signal_handlers_disconnect_by_func(expander, G_CALLBACK(on_tree_expander_toggled), row);
// Connect the signal handler
g_signal_connect(expander, "activate", G_CALLBACK(on_tree_expander_toggled), row);
gtk_widget_set_margin_start(expander, gtk_tree_list_row_get_depth(row)*20);
gboolean is_expanded = gtk_tree_list_row_get_expanded(row);
printf("[on_tree_bind_factory] here is %s content and expander is %d\n",
text,
is_expanded);
} else {
printf("[on_tree_bind_factory] here is NON content\n");
}
}
void on_tree_selection_changed (GtkSelectionModel* self, guint position,
guint n_items, gpointer user_data)
{
printf("[on_tree_selection_changed]\n");
}

View File

@ -65,32 +65,24 @@
<object class="GtkStack" id="runlib_stack">
<child>
<object class="GtkStackPage">
<property name="name">runlib_objects</property>
<property name="title" translatable="yes">Objects</property>
<property name="name">runlib_conditions</property>
<property name="title" translatable="yes">Conditions</property>
<property name="visible">True</property>
<property name="child">
<object class="GtkLabel" id="label_runlib_objects">
<property name="justify">center</property>
<property name="label" translatable="yes">&lt;b&gt;runlib_objects&lt;/b&gt;</property>
<property name="use-markup">True</property>
<property name="margin-top">50</property>
<property name="margin-bottom">50</property>
<object class="GtkBox" id="run_conditions_tree_box">
<property name="orientation">vertical</property>
</object>
</property>
</object>
</child>
<child>
<object class="GtkStackPage">
<property name="name">runlib_conditions_and_rules</property>
<property name="title" translatable="yes">Rules &amp; Conds</property>
<property name="name">runlib_objects</property>
<property name="title" translatable="yes">Objects</property>
<property name="visible">True</property>
<property name="child">
<object class="GtkLabel" id="label_runlib_conditions_and_rules">
<property name="justify">center</property>
<property name="label" translatable="yes">&lt;b&gt;runlib_conditions_and_rules&lt;/b&gt;</property>
<property name="use-markup">True</property>
<property name="margin-top">50</property>
<property name="margin-bottom">50</property>
<object class="GtkBox" id="run_objects_tree_box">
<property name="orientation">vertical</property>
</object>
</property>
</object>
@ -98,15 +90,11 @@
<child>
<object class="GtkStackPage">
<property name="name">runlib_states</property>
<property name="title" translatable="yes">Savedstates</property>
<property name="title" translatable="yes">Savestates</property>
<property name="visible">True</property>
<property name="child">
<object class="GtkLabel" id="label_runlib_states">
<property name="justify">center</property>
<property name="label" translatable="yes">&lt;b&gt;runlib_states&lt;/b&gt;</property>
<property name="use-markup">True</property>
<property name="margin-top">50</property>
<property name="margin-bottom">50</property>
<object class="GtkBox" id="run_states_tree_box">
<property name="orientation">vertical</property>
</object>
</property>
</object>

209
src/ui/views.c Normal file
View File

@ -0,0 +1,209 @@
/*
* Gem-graph OpenGL experiments
*
* Desc: User interface functions
*
* Copyright (C) 2023 Arthur Menges <arthur.menges@a-lec.org>
* Copyright (C) 2023 Adrien Bourmault <neox@a-lec.org>
*
* This file is part of Gem-graph.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <unistd.h>
#include <gtk-4.0/gtk/gtk.h>
#include <glib-2.0/glib.h>
#include "../../include/base.h"
#include "../../include/ui.h"
// Simplified TreeNode structure for demonstration purposes
struct TreeNode_t
{
gchar *text;
struct TreeNode_t *child;
struct TreeNode_t *next;
};
// Function to create a new TreeNode instance
static struct TreeNode_t *create_tree_node (const gchar* text)
{
struct TreeNode_t *node = g_malloc0 (sizeof(struct TreeNode_t));
node->text = g_strdup(text);
node->child = NULL;
return node;
}
// Function to add a child node to a parent node
static void add_child_node (struct TreeNode_t *parent, struct TreeNode_t *child)
{
struct TreeNode_t *cur;
if (parent->child) {
cur = parent->child;
while (cur && cur->next) {
cur = cur->next;
}
cur->next = child;
} else {
parent->child = child;
}
}
// Recursive function to free a TreeNode and its children
static void free_tree_node (struct TreeNode_t *node)
{
struct TreeNode_t *cur;
struct TreeNode_t *tmp;
if (!node) return;
// free siblings
cur = node;
while (cur) {
tmp = cur->next;
g_free(cur);
cur = tmp;
}
// recursive free
free_tree_node(node->child);
g_free(node->text);
g_free(node);
}
// Function to simulate getting a GListModel of children for a given TreeNode
GListModel* ui_tree_get_children_model (struct TreeNode_t *parent)
{
struct TreeNode_t *child;
GtkStringList *list = NULL;
if (parent) {
printf("[ui_tree_get_children_model] here is %s content : ", parent->text);
child = parent->child;
if (child) {
list = gtk_string_list_new(NULL);
}
while(child) {
gtk_string_list_append(list, child->text);
printf("%s ", child->text);
child = child->next;
}
}
printf("\n");
return G_LIST_MODEL(list);
}
// GtkTreeListModelCreateModelFunc callback implementation
GListModel* ui_tree_create_model_func(GObject *item, gpointer root)
{
struct TreeNode_t *cur = (struct TreeNode_t *)root;
struct TreeNode_t *parent = NULL;
gchar *string = gtk_string_object_get_string(GTK_STRING_OBJECT(item));
parent = root;
while (cur) {
if (strcmp(string, cur->text) == 0) {
break;
}
cur = cur->next;
if (cur == NULL) {
cur = parent->child;
parent = cur;
}
}
printf("[ui_tree_create_model_func] looked for %s in %s item\n",
cur->text,
string);
return ui_tree_get_children_model(cur);
}
// Application activation callback
void ui_create_tree (GtkWidget *target_widget)
{
GtkStringList *model;
GtkTreeListModel *tree_model;
GtkSignalListItemFactory *factory;
GtkSingleSelection *selection_model;
GtkWidget *list_view;
GtkScrolledWindow *scrolled_window;
assert(target_widget);
// AD HOC XXX & no free()
struct TreeNode_t *tree_root = create_tree_node("Root");
struct TreeNode_t *A1 = create_tree_node("A1");
struct TreeNode_t *A2 = create_tree_node("A2");
struct TreeNode_t *A3 = create_tree_node("A3");
struct TreeNode_t *B1 = create_tree_node("B1");
struct TreeNode_t *B2 = create_tree_node("B2");
struct TreeNode_t *B3 = create_tree_node("B3");
struct TreeNode_t *C = create_tree_node("C");
add_child_node(tree_root, A1);
add_child_node(tree_root, A2);
add_child_node(tree_root, A3);
add_child_node(A1, B1);
add_child_node(B1, C);
model = gtk_string_list_new(NULL);
gtk_string_list_append(model, tree_root->text);
// Create and setup the list view and item factory
factory = gtk_signal_list_item_factory_new ();
g_signal_connect (factory, "setup", G_CALLBACK(on_tree_setup_factory), NULL);
g_signal_connect (factory, "bind", G_CALLBACK(on_tree_bind_factory), NULL);
// Create a GtkTreeListModel
tree_model = gtk_tree_list_model_new(
G_LIST_MODEL(model),
FALSE, // Passthrough - False in actual usage with dynamic children retrieval
FALSE, // autoexpand
(GtkTreeListModelCreateModelFunc)ui_tree_create_model_func,
tree_root,
NULL //(GDestroyNotify)free_tree_node
);
selection_model = gtk_single_selection_new (
G_LIST_MODEL (tree_model));
gtk_single_selection_set_autoselect (selection_model, FALSE);
gtk_single_selection_set_can_unselect (selection_model, TRUE);
/* g_signal_connect (selection_model, "selection-changed", */
/* G_CALLBACK(on_tree_selection_changed), NULL); */
list_view = gtk_list_view_new (selection_model, factory);
scrolled_window = gtk_scrolled_window_new();
gtk_scrolled_window_set_child(scrolled_window, list_view);
gtk_scrolled_window_set_policy (scrolled_window,
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_widget_set_vexpand(GTK_WIDGET(scrolled_window), TRUE);
gtk_box_append(GTK_BOX(target_widget), GTK_WIDGET(scrolled_window));
gtk_widget_show(GTK_WIDGET(scrolled_window));
gtk_widget_show(GTK_WIDGET(list_view));
}

View File

@ -53,6 +53,7 @@ struct _GemGraphClientWindow
GtkBox *run_glarea_box;
GtkBox *edition_glarea_box;
GtkBox *presentation_glarea_box;
GtkBox *run_conditions_tree_box;
};
G_DEFINE_FINAL_TYPE (GemGraphClientWindow,
@ -113,6 +114,9 @@ static void gem_graph_client_window_class_init(GemGraphClientWindowClass *klass)
gtk_widget_class_bind_template_child(widget_class,
GemGraphClientWindow,
presentation_glarea_box);
gtk_widget_class_bind_template_child(widget_class,
GemGraphClientWindow,
run_conditions_tree_box);
}
static void gem_graph_client_window_init(GemGraphClientWindow *self)
@ -162,6 +166,7 @@ void ui_set_stack(int mode)
gtk_menu_button_set_icon_name(window->main_button_mode,
"system-run-symbolic");
ui_setup_glarea(RUN_MODE, GTK_WIDGET(window->run_glarea_box));
ui_create_tree(window->run_conditions_tree_box);
break;
case PRESENTATION_MODE:
gtk_stack_set_visible_child_full(window->main_stack,