WIP: before learning GtkCellEditable (cleaning)

This commit is contained in:
Jean Sirmai 2023-12-20 12:02:05 +01:00
parent 63f662ddc9
commit 225e40fb53
Signed by: jean
GPG Key ID: FB3115C340E057E3
2 changed files with 428 additions and 34 deletions

389
Gtk text example Normal file
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@ -0,0 +1,389 @@
/* GTK - The GIMP Toolkit
* Copyright (C) 2019 Red Hat, Inc.
*
* Authors:
* - Matthias Clasen <mclasen@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "demotaggedentry.h"
#include <gtk/gtk.h>
struct _DemoTaggedEntry
{
GtkWidget parent_instance;
GtkWidget *text;
};
struct _DemoTaggedEntryClass
{
GtkWidgetClass parent_class;
};
static void demo_tagged_entry_editable_init (GtkEditableInterface *iface);
G_DEFINE_TYPE_WITH_CODE (DemoTaggedEntry, demo_tagged_entry, GTK_TYPE_WIDGET,
G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE, demo_tagged_entry_editable_init))
static void
demo_tagged_entry_init (DemoTaggedEntry *entry)
{
GtkCssProvider *provider;
entry->text = gtk_text_new ();
gtk_widget_set_hexpand (entry->text, TRUE);
gtk_widget_set_vexpand (entry->text, TRUE);
gtk_widget_set_parent (entry->text, GTK_WIDGET (entry));
gtk_editable_init_delegate (GTK_EDITABLE (entry));
gtk_editable_set_width_chars (GTK_EDITABLE (entry->text), 6);
gtk_editable_set_max_width_chars (GTK_EDITABLE (entry->text), 6);
gtk_widget_add_css_class (GTK_WIDGET (entry), "tagged");
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_resource (provider, "/tagged_entry/tagstyle.css");
gtk_style_context_add_provider_for_display (gdk_display_get_default (),
GTK_STYLE_PROVIDER (provider),
800);
g_object_unref (provider);
}
static void
demo_tagged_entry_dispose (GObject *object)
{
DemoTaggedEntry *entry = DEMO_TAGGED_ENTRY (object);
GtkWidget *child;
if (entry->text)
gtk_editable_finish_delegate (GTK_EDITABLE (entry));
while ((child = gtk_widget_get_first_child (GTK_WIDGET (entry))))
gtk_widget_unparent (child);
entry->text = NULL;
G_OBJECT_CLASS (demo_tagged_entry_parent_class)->dispose (object);
}
static void
demo_tagged_entry_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
if (gtk_editable_delegate_set_property (object, prop_id, value, pspec))
return;
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
static void
demo_tagged_entry_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
if (gtk_editable_delegate_get_property (object, prop_id, value, pspec))
return;
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
static gboolean
demo_tagged_entry_grab_focus (GtkWidget *widget)
{
DemoTaggedEntry *entry = DEMO_TAGGED_ENTRY (widget);
return gtk_widget_grab_focus (entry->text);
}
static void
demo_tagged_entry_class_init (DemoTaggedEntryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = demo_tagged_entry_dispose;
object_class->get_property = demo_tagged_entry_get_property;
object_class->set_property = demo_tagged_entry_set_property;
widget_class->grab_focus = demo_tagged_entry_grab_focus;
gtk_editable_install_properties (object_class, 1);
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
gtk_widget_class_set_css_name (widget_class, "entry");
gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_TEXT_BOX);
}
static GtkEditable *
demo_tagged_entry_get_delegate (GtkEditable *editable)
{
return GTK_EDITABLE (DEMO_TAGGED_ENTRY (editable)->text);
}
static void
demo_tagged_entry_editable_init (GtkEditableInterface *iface)
{
iface->get_delegate = demo_tagged_entry_get_delegate;
}
GtkWidget *
demo_tagged_entry_new (void)
{
return GTK_WIDGET (g_object_new (DEMO_TYPE_TAGGED_ENTRY, NULL));
}
void
demo_tagged_entry_add_tag (DemoTaggedEntry *entry,
GtkWidget *tag)
{
g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));
gtk_widget_set_parent (tag, GTK_WIDGET (entry));
}
void
demo_tagged_entry_insert_tag_after (DemoTaggedEntry *entry,
GtkWidget *tag,
GtkWidget *sibling)
{
g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));
gtk_widget_insert_after (tag, GTK_WIDGET (entry), sibling);
}
void
demo_tagged_entry_remove_tag (DemoTaggedEntry *entry,
GtkWidget *tag)
{
g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));
gtk_widget_unparent (tag);
}
struct _DemoTaggedEntryTag
{
GtkWidget parent;
GtkWidget *box;
GtkWidget *label;
GtkWidget *button;
gboolean has_close_button;
char *style;
};
struct _DemoTaggedEntryTagClass
{
GtkWidgetClass parent_class;
};
enum {
PROP_0,
PROP_LABEL,
PROP_HAS_CLOSE_BUTTON,
};
enum {
SIGNAL_CLICKED,
SIGNAL_BUTTON_CLICKED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0, };
G_DEFINE_TYPE (DemoTaggedEntryTag, demo_tagged_entry_tag, GTK_TYPE_WIDGET)
static void
on_released (GtkGestureClick *gesture,
int n_press,
double x,
double y,
DemoTaggedEntryTag *tag)
{
g_signal_emit (tag, signals[SIGNAL_CLICKED], 0);
}
static void
demo_tagged_entry_tag_init (DemoTaggedEntryTag *tag)
{
GtkGesture *gesture;
tag->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_widget_set_parent (tag->box, GTK_WIDGET (tag));
tag->label = gtk_label_new ("");
gtk_box_append (GTK_BOX (tag->box), tag->label);
gesture = gtk_gesture_click_new ();
g_signal_connect (gesture, "released", G_CALLBACK (on_released), tag);
gtk_widget_add_controller (GTK_WIDGET (tag), GTK_EVENT_CONTROLLER (gesture));
}
static void
demo_tagged_entry_tag_dispose (GObject *object)
{
DemoTaggedEntryTag *tag = DEMO_TAGGED_ENTRY_TAG (object);
g_clear_pointer (&tag->box, gtk_widget_unparent);
G_OBJECT_CLASS (demo_tagged_entry_tag_parent_class)->dispose (object);
}
static void
demo_tagged_entry_tag_finalize (GObject *object)
{
DemoTaggedEntryTag *tag = DEMO_TAGGED_ENTRY_TAG (object);
g_clear_pointer (&tag->box, gtk_widget_unparent);
g_clear_pointer (&tag->style, g_free);
G_OBJECT_CLASS (demo_tagged_entry_tag_parent_class)->finalize (object);
}
static void
demo_tagged_entry_tag_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
DemoTaggedEntryTag *tag = DEMO_TAGGED_ENTRY_TAG (object);
switch (prop_id)
{
case PROP_LABEL:
demo_tagged_entry_tag_set_label (tag, g_value_get_string (value));
break;
case PROP_HAS_CLOSE_BUTTON:
demo_tagged_entry_tag_set_has_close_button (tag, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
demo_tagged_entry_tag_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
DemoTaggedEntryTag *tag = DEMO_TAGGED_ENTRY_TAG (object);
switch (prop_id)
{
case PROP_LABEL:
g_value_set_string (value, demo_tagged_entry_tag_get_label (tag));
break;
case PROP_HAS_CLOSE_BUTTON:
g_value_set_boolean (value, demo_tagged_entry_tag_get_has_close_button (tag));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
demo_tagged_entry_tag_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
DemoTaggedEntryTag *tag = DEMO_TAGGED_ENTRY_TAG (widget);
gtk_widget_measure (tag->box, orientation, for_size,
minimum, natural,
minimum_baseline, natural_baseline);
}
static void
demo_tagged_entry_tag_size_allocate (GtkWidget *widget,
int width,
int height,
int baseline)
{
DemoTaggedEntryTag *tag = DEMO_TAGGED_ENTRY_TAG (widget);
gtk_widget_size_allocate (tag->box,
&(GtkAllocation) { 0, 0, width, height },
baseline);
}
static void
demo_tagged_entry_tag_class_init (DemoTaggedEntryTagClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
object_class->dispose = demo_tagged_entry_tag_dispose;
object_class->finalize = demo_tagged_entry_tag_finalize;
object_class->set_property = demo_tagged_entry_tag_set_property;
object_class->get_property = demo_tagged_entry_tag_get_property;
widget_class->measure = demo_tagged_entry_tag_measure;
widget_class->size_allocate = demo_tagged_entry_tag_size_allocate;
signals[SIGNAL_CLICKED] =
g_signal_new ("clicked",
DEMO_TYPE_TAGGED_ENTRY_TAG,
G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
signals[SIGNAL_BUTTON_CLICKED] =
g_signal_new ("button-clicked",
DEMO_TYPE_TAGGED_ENTRY_TAG,
G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
g_object_class_install_property (object_class, PROP_LABEL,
g_param_spec_string ("label", "Label", "Label",
NULL, G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_HAS_CLOSE_BUTTON,
g_param_spec_boolean ("has-close-button", "Has close button", "Whether this tag has a close button",
FALSE, G_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
gtk_widget_class_set_css_name (widget_class, "tag");
}
DemoTaggedEntryTag *
demo_tagged_entry_tag_new (const char *label)
{
return DEMO_TAGGED_ENTRY_TAG (g_object_new (DEMO_TYPE_TAGGED_ENTRY_TAG,
"label", label,
NULL));
}
const char *
demo_tagged_entry_tag_get_label (DemoTaggedEntryTag *tag)
{
g_return_val_if_fail (DEMO_IS_TAGGED_ENTRY_TAG (tag), NULL);
return gtk_label_get_label (GTK_LABEL (tag->label));
}
void
demo_tagged_entry_tag_set_label (DemoTaggedEntryTag *tag,
const char *label)
{
g_return_if_fail (DEMO_IS_TAGGED_ENTRY_TAG (tag));
gtk_label_set_label (GTK_LABEL (tag->label), label);
}
static void
on_button_clicked (GtkButton *button,
DemoTaggedEntryTag *tag)
{
g_signal_emit (tag, signals[SIGNAL_BUTTON_CLICKED], 0);
}
void
demo_tagged_entry_tag_set_has_close_button (DemoTaggedEntryTag *tag,
gboolean has_close_button)
{
g_return_if_fail (DEMO_IS_TAGGED_ENTRY_TAG (tag));
if ((tag->button != NULL) == has_close_button)
return;
if (!has_close_button && tag->button)
{
gtk_box_remove (GTK_BOX (tag->box), tag->button);
tag->button = NULL;
}
else if (has_close_button && tag->button == NULL)
{
GtkWidget *image;
image = gtk_image_new_from_icon_name ("window-close-symbolic");
tag->button = gtk_button_new ();
gtk_button_set_child (GTK_BUTTON (tag->button), image);
gtk_widget_set_halign (tag->button, GTK_ALIGN_CENTER);
gtk_widget_set_valign (tag->button, GTK_ALIGN_CENTER);
gtk_button_set_has_frame (GTK_BUTTON (tag->button), FALSE);
gtk_box_append (GTK_BOX (tag->box), tag->button);
g_signal_connect (tag->button, "clicked", G_CALLBACK (on_button_clicked), tag);
}
g_object_notify (G_OBJECT (tag), "has-close-button");
}
gboolean
demo_tagged_entry_tag_get_has_close_button (DemoTaggedEntryTag *tag)
{
g_return_val_if_fail (DEMO_IS_TAGGED_ENTRY_TAG (tag), FALSE);
return tag->button != NULL;
}

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@ -1,46 +1,51 @@
/************************************************** R E M E M B E R ! *****************************************************/ /*************************************************** R E M E M B E R ! *******************************************************/
/* */ /* */
/* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk$ guix shell -m manifest.scm --check */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk$ guix shell -m manifest.scm --check */
/* guix shell: vérification des variables d'environnement visibles depuis le shell « /gnu/store/ --- (a commit) --- /bin/bash »… */ /* guix shell: vérification des variables d'environnement visibles depuis le shell « /gnu/store/ --- (a commit) --- /bin/bash »… */
/* guix shell: Tout va bien ! Le shell a les bonnes variables d'environnement. */ /* guix shell: Tout va bien ! Le shell a les bonnes variables d'environnement. */
/* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk [env] $ cd builddir/ */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk [env] $ cd builddir/ */
/* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk/builddir [env] $ */
/* jean@Project:~/Gem-Graph/gem-graph-client/tree...way/gtk/builddir [env] $ clear && meson compile && demos/gtk-demo/gtk4-demo */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree...way/gtk/builddir [env] $ clear && meson compile && demos/gtk-demo/gtk4-demo */
/* */ /* */
/* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- A Session -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- */ /* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- A Session -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- */
/* */ /* */
/* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk/builddir [env] $ ctrl D (avant de fermer builder) */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk/builddir [env] $ ctrl D (avant de fermer builder) */
/* */ /* */
/*************************************************************************************************************************************/ /****************************************************************************************************************************************/
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - //
/************************************************** <> *****************************************************/ /************************************************** W I D G E T S ********************************************************/
/* _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ */
/* _ _ _ _ _ _ _ _ _ _ _ _ _ E D I T A B L E _ _ _ _ _ _ _ _ _ _ _ _ _ _ */
/* */
/* https://developer-old.gnome.org/gtk4/stable/ch03s02.html Which widget should I use ?... */
/* https://developer-old.gnome.org/gtk4/stable/GtkCellEditable.html#GtkCellEditable-struct */
/* */
/* _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ */
/* _ _ _ _ _ _ _ _ _ _ _ _ _ _ T R E E _ _ _ _ _ _ _ _ _ _ _ _ _ _ */
/* */ /* */
/* https://developer-old.gnome.org/gtk4/stable/GtkTreeView.html */ /* https://developer-old.gnome.org/gtk4/stable/GtkTreeView.html */
/* GtkTreeViewColumn, GtkTreeSelection, GtkTreeModel, GtkTreeView drag-and-drop, GtkTreeSortable, GtkTreeModelSort, GtkListStore, */ /* https://developer-old.gnome.org/gtk4/stable/GtkTreeSelection.html#GtkTreeSelection-struct */
/* GtkTreeStore, GtkCellRenderer, GtkCellEditable, GtkCellRendererPixbuf, GtkCellRendererText, GtkCellRendererToggle */ /* https://developer-old.gnome.org/gtk4/stable/GtkTreeView.html#gtk-tree-view-get-path-at-pos << get-path-at-pos */
/* */ /* Finds the path at the point (x , y ), relative to bin_window coordinates. Use gtk_tree_view_convert_widget_to_bin_window_coords(). */
/* https://developer-old.gnome.org/gtk4/stable/GtkTreeView.html#gtk-tree-view-get-path-at-pos */
/* Finds the path at the point (x , y ), relative to bin_window coordinates. */
/* Widget-relative coordinates must be converted using gtk_tree_view_convert_widget_to_bin_window_coords(). */
/* */
/* https://www.gnu.org/software/guile-gnome/docs/gtk/html/GtkCellRenderer.html */ /* https://www.gnu.org/software/guile-gnome/docs/gtk/html/GtkCellRenderer.html */
/* GtkTreeSelection, GtkTreeView drag-and-drop, GtkTreeSortable, GtkTreeModelSort, GtkCellEditable, GtkCellRendererText,... */
/* gtk_tree_view_get_search_entry (treeview) */
/* */ /* */
/*************************************************************************************************************************************/ /****************************************************************************************************************************************/
/* The GtkTreeStore is used to store data in tree form, to be used later on by a GtkTreeView to display it */
#include <gtk/gtk.h> #include <gtk/gtk.h>
#include <stdio.h> #include <stdio.h>
#include "config.h"
G_GNUC_BEGIN_IGNORE_DEPRECATIONS G_GNUC_BEGIN_IGNORE_DEPRECATIONS
/* The GtkTreeStore is used to store data in tree form, to be used later on by a GtkTreeView to display it. */
/* TreeItem structure */ /* TreeItem structure */
typedef struct _TreeItem TreeItem; typedef struct _TreeItem TreeItem;
struct _TreeItem struct _TreeItem
@ -91,7 +96,7 @@ static GtkTreeModel *create_node_recursive (GtkTreeStore *model,
} }
if (depth == 0) if (depth == 0)
return GTK_TREE_MODEL(model); return GTK_TREE_MODEL(model); // cast from GtkTreeModel to GtkTreeStore
else else
return NULL; return NULL;
} }
@ -105,7 +110,7 @@ do_tree_store (GtkWidget *do_widget)
if (!window) if (!window)
{ {
GtkWidget *vbox; GtkWidget *vbox;
GtkWidget *sw; GtkWidget *sw; // sw : 'scrolled_window'
GtkWidget *treeview; GtkWidget *treeview;
GtkTreeModel *tree_model; GtkTreeModel *tree_model;
GtkTreeStore *tree_store = NULL; GtkTreeStore *tree_store = NULL;