AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2024-12-24 12:41:16 +00:00
Code Issues Projects Releases Wiki Activity

Drop some demos

Browse Source 
The gtk4-icon-browser and gtk4-constraint-editor demos are basically
unmaintained, and not great showcases for GTK, so lets drop them.
This commit is contained in:
Matthias Clasen 2024-10-04 21:24:11 -04:00
parent fecadae80c
commit 32d03a548e
24 changed files with 0 additions and 3219 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

115
demos/constraint-editor/constraint-editor-application.c
View File

@ -1,115 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc.
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#include "config.h"
#include "constraint-editor-application.h"
#include "constraint-editor-window.h"
struct _ConstraintEditorApplication
{
GtkApplication parent_instance;
};
G_DEFINE_TYPE(ConstraintEditorApplication, constraint_editor_application, GTK_TYPE_APPLICATION);
static void
constraint_editor_application_init (ConstraintEditorApplication *app)
{
}
static void
quit_activated (GSimpleAction *action,
GVariant *parameter,
gpointer data)
{
g_application_quit (G_APPLICATION (data));
}
static GActionEntry app_entries[] =
{
{ "quit", quit_activated, NULL, NULL, NULL }
};
static void
constraint_editor_application_startup (GApplication *app)
{
const char *quit_accels[2] = { "<Ctrl>Q", NULL };
const char *open_accels[2] = { "<Ctrl>O", NULL };
GtkCssProvider *provider;
G_APPLICATION_CLASS (constraint_editor_application_parent_class)->startup (app);
g_action_map_add_action_entries (G_ACTION_MAP (app),
app_entries, G_N_ELEMENTS (app_entries),
app);
gtk_application_set_accels_for_action (GTK_APPLICATION (app), "app.quit", quit_accels);
gtk_application_set_accels_for_action (GTK_APPLICATION (app), "win.open", open_accels);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_resource (provider, "/org/gtk/gtk4/constraint-editor/constraint-editor.css");
gtk_style_context_add_provider_for_display (gdk_display_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}
static void
constraint_editor_application_activate (GApplication *app)
{
ConstraintEditorWindow *win;
win = constraint_editor_window_new (CONSTRAINT_EDITOR_APPLICATION (app));
gtk_window_present (GTK_WINDOW (win));
}
static void
constraint_editor_application_open (GApplication *app,
GFile **files,
int n_files,
const char *hint)
{
ConstraintEditorWindow *win;
int i;
for (i = 0; i < n_files; i++)
{
win = constraint_editor_window_new (CONSTRAINT_EDITOR_APPLICATION (app));
constraint_editor_window_load (win, files[i]);
gtk_window_present (GTK_WINDOW (win));
}
}
static void
constraint_editor_application_class_init (ConstraintEditorApplicationClass *class)
{
GApplicationClass *application_class = G_APPLICATION_CLASS (class);
application_class->startup = constraint_editor_application_startup;
application_class->activate = constraint_editor_application_activate;
application_class->open = constraint_editor_application_open;
}
ConstraintEditorApplication *
constraint_editor_application_new (void)
{
return g_object_new (CONSTRAINT_EDITOR_APPLICATION_TYPE,
"application-id", "org.gtk.gtk4.ConstraintEditor",
"flags", G_APPLICATION_HANDLES_OPEN,
NULL);
}

28
demos/constraint-editor/constraint-editor-application.h
View File

@ -1,28 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc.
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#pragma once
#include <gtk/gtk.h>
#define CONSTRAINT_EDITOR_APPLICATION_TYPE (constraint_editor_application_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintEditorApplication, constraint_editor_application, CONSTRAINT, EDITOR_APPLICATION, GtkApplication)
ConstraintEditorApplication *constraint_editor_application_new (void);

652
demos/constraint-editor/constraint-editor-window.c
View File

@ -1,652 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc.
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#include "config.h"
#include "constraint-editor-window.h"
#include "constraint-view.h"
#include "constraint-editor.h"
#include "guide-editor.h"
struct _ConstraintEditorWindow
{
GtkApplicationWindow parent_instance;
GtkWidget *paned;
GtkWidget *view;
GtkWidget *list;
};
G_DEFINE_TYPE(ConstraintEditorWindow, constraint_editor_window, GTK_TYPE_APPLICATION_WINDOW);
static GtkConstraintTarget *
find_target (GListModel *model,
GtkConstraintTarget *orig)
{
const char *name;
const char *model_name;
gpointer item;
int i;
if (orig == NULL)
return NULL;
if (GTK_IS_LABEL (orig))
name = gtk_label_get_label (GTK_LABEL (orig));
else if (GTK_IS_CONSTRAINT_GUIDE (orig))
name = gtk_constraint_guide_get_name (GTK_CONSTRAINT_GUIDE (orig));
else
{
g_warning ("Don't know how to handle %s targets", G_OBJECT_TYPE_NAME (orig));
return NULL;
}
for (i = 0; i < g_list_model_get_n_items (model); i++)
{
item = g_list_model_get_item (model, i);
g_object_unref (item);
if (GTK_IS_WIDGET (item))
model_name = gtk_widget_get_name (GTK_WIDGET (item));
else
model_name = gtk_constraint_guide_get_name (GTK_CONSTRAINT_GUIDE (item));
if (strcmp (name, model_name) == 0)
return GTK_CONSTRAINT_TARGET (item);
}
g_warning ("Failed to find target '%s'", name);
return NULL;
}
gboolean
constraint_editor_window_load (ConstraintEditorWindow *self,
GFile *file)
{
char *path;
GtkBuilder *builder;
GError *error = NULL;
GtkWidget *view;
GtkLayoutManager *layout;
GtkWidget *child;
const char *name;
gpointer item;
int i;
GListModel *list;
path = g_file_get_path (file);
builder = gtk_builder_new ();
if (!gtk_builder_add_from_file (builder, path, &error))
{
g_print ("Could not load %s: %s", path, error->message);
g_error_free (error);
g_free (path);
g_object_unref (builder);
return FALSE;
}
view = GTK_WIDGET (gtk_builder_get_object (builder, "view"));
if (!GTK_IS_BOX (view))
{
g_print ("Could not load %s: No GtkBox named 'view'", path);
g_free (path);
g_object_unref (builder);
return FALSE;
}
layout = gtk_widget_get_layout_manager (view);
if (!GTK_IS_CONSTRAINT_LAYOUT (layout))
{
g_print ("Could not load %s: Widget 'view' does not use GtkConstraintLayout", path);
g_free (path);
g_object_unref (builder);
return FALSE;
}
for (child = gtk_widget_get_first_child (view);
child;
child = gtk_widget_get_next_sibling (child))
{
if (!GTK_IS_LABEL (child))
{
g_print ("Skipping non-GtkLabel child\n");
continue;
}
name = gtk_label_get_label (GTK_LABEL (child));
constraint_view_add_child (CONSTRAINT_VIEW (self->view), name);
}
list = gtk_constraint_layout_observe_guides (GTK_CONSTRAINT_LAYOUT (layout));
for (i = 0; i < g_list_model_get_n_items (list); i++)
{
GtkConstraintGuide *guide, *clone;
int w, h;
item = g_list_model_get_item (list, i);
guide = GTK_CONSTRAINT_GUIDE (item);
/* need to clone here, to attach to the right targets */
clone = gtk_constraint_guide_new ();
gtk_constraint_guide_set_name (clone, gtk_constraint_guide_get_name (guide));
gtk_constraint_guide_set_strength (clone, gtk_constraint_guide_get_strength (guide));
gtk_constraint_guide_get_min_size (guide, &w, &h);
gtk_constraint_guide_set_min_size (clone, w, h);
gtk_constraint_guide_get_nat_size (guide, &w, &h);
gtk_constraint_guide_set_nat_size (clone, w, h);
gtk_constraint_guide_get_max_size (guide, &w, &h);
gtk_constraint_guide_set_max_size (clone, w, h);
constraint_view_add_guide (CONSTRAINT_VIEW (self->view), clone);
g_object_unref (guide);
g_object_unref (clone);
}
g_object_unref (list);
list = gtk_constraint_layout_observe_constraints (GTK_CONSTRAINT_LAYOUT (layout));
for (i = 0; i < g_list_model_get_n_items (list); i++)
{
GtkConstraint *constraint;
GtkConstraint *clone;
GtkConstraintTarget *target;
GtkConstraintTarget *source;
GtkConstraintAttribute source_attr;
item = g_list_model_get_item (list, i);
constraint = GTK_CONSTRAINT (item);
target = gtk_constraint_get_target (constraint);
source = gtk_constraint_get_source (constraint);
source_attr = gtk_constraint_get_source_attribute (constraint);
if (source == NULL && source_attr == GTK_CONSTRAINT_ATTRIBUTE_NONE)
clone = gtk_constraint_new_constant (find_target (constraint_view_get_model (CONSTRAINT_VIEW (self->view)), target),
gtk_constraint_get_target_attribute (constraint),
gtk_constraint_get_relation (constraint),
gtk_constraint_get_constant (constraint),
gtk_constraint_get_strength (constraint));
else
clone = gtk_constraint_new (find_target (constraint_view_get_model (CONSTRAINT_VIEW (self->view)), target),
gtk_constraint_get_target_attribute (constraint),
gtk_constraint_get_relation (constraint),
find_target (constraint_view_get_model (CONSTRAINT_VIEW (self->view)), source),
source_attr,
gtk_constraint_get_multiplier (constraint),
gtk_constraint_get_constant (constraint),
gtk_constraint_get_strength (constraint));
constraint_view_add_constraint (CONSTRAINT_VIEW (self->view), clone);
g_object_unref (constraint);
g_object_unref (clone);
}
g_object_unref (list);
g_free (path);
g_object_unref (builder);
return TRUE;
}
static void
open_response_cb (GObject *source,
GAsyncResult *result,
void *user_data)
{
GtkFileDialog *dialog = GTK_FILE_DIALOG (source);
ConstraintEditorWindow *self = user_data;
GFile *file;
file = gtk_file_dialog_open_finish (dialog, result, NULL);
if (file)
{
constraint_editor_window_load (self, file);
g_object_unref (file);
}
}
static void
open_cb (GtkWidget *button,
ConstraintEditorWindow *self)
{
GtkFileDialog *dialog;
GFile *cwd;
dialog = gtk_file_dialog_new ();
gtk_file_dialog_set_title (dialog, "Open file");
cwd = g_file_new_for_path (".");
gtk_file_dialog_set_initial_folder (dialog, cwd);
g_object_unref (cwd);
gtk_file_dialog_open (dialog, GTK_WINDOW (self), NULL, open_response_cb, self);
g_object_unref (dialog);
}
static void
serialize_child (GString *str,
int indent,
GtkWidget *child)
{
const char *name;
name = gtk_widget_get_name (child);
g_string_append_printf (str, "%*s<child>\n", indent, "");
g_string_append_printf (str, "%*s <object class=\"GtkLabel\" id=\"%s\">\n", indent, "", name);
g_string_append_printf (str, "%*s <property name=\"label\">%s</property>\n", indent, "", name);
g_string_append_printf (str, "%*s </object>\n", indent, "");
g_string_append_printf (str, "%*s</child>\n", indent, "");
}
static char *
serialize_model (GListModel *list)
{
GString *str = g_string_new ("");
int i;
g_string_append (str, "<interface>\n");
g_string_append (str, " <object class=\"GtkBox\" id=\"view\">\n");
g_string_append (str, " <property name=\"layout-manager\">\n");
g_string_append (str, " <object class=\"GtkConstraintLayout\">\n");
g_string_append (str, " <constraints>\n");
for (i = 0; i < g_list_model_get_n_items (list); i++)
{
gpointer item = g_list_model_get_item (list, i);
g_object_unref (item);
if (GTK_IS_CONSTRAINT (item))
constraint_editor_serialize_constraint (str, 10, GTK_CONSTRAINT (item));
else if (GTK_IS_CONSTRAINT_GUIDE (item))
guide_editor_serialize_guide (str, 10, GTK_CONSTRAINT_GUIDE (item));
}
g_string_append (str, " </constraints>\n");
g_string_append (str, " </object>\n");
g_string_append (str, " </property>\n");
for (i = 0; i < g_list_model_get_n_items (list); i++)
{
gpointer item = g_list_model_get_item (list, i);
g_object_unref (item);
if (GTK_IS_WIDGET (item))
serialize_child (str, 4, GTK_WIDGET (item));
}
g_string_append (str, " </object>\n");
g_string_append (str, "</interface>\n");
return g_string_free (str, FALSE);
}
static void
save_response_cb (GObject *source,
GAsyncResult *result,
void *user_data)
{
GtkFileDialog *dialog = GTK_FILE_DIALOG (source);
ConstraintEditorWindow *self = user_data;
GFile *file;
file = gtk_file_dialog_save_finish (dialog, result, NULL);
if (file)
{
GListModel *model;
char *text;
GError *error = NULL;
model = constraint_view_get_model (CONSTRAINT_VIEW (self->view));
text = serialize_model (model);
g_file_replace_contents (file, text, strlen (text),
NULL, FALSE,
G_FILE_CREATE_NONE,
NULL,
NULL,
&error);
if (error != NULL)
{
GtkAlertDialog *alert;
alert = gtk_alert_dialog_new ("Saving failed");
gtk_alert_dialog_set_detail (alert, error->message);
gtk_alert_dialog_show (alert,
GTK_WINDOW (gtk_widget_get_root (GTK_WIDGET (self))));
g_object_unref (alert);
g_error_free (error);
}
g_free (text);
g_object_unref (file);
}
}
static void
save_cb (GtkWidget *button,
ConstraintEditorWindow *self)
{
GtkFileDialog *dialog;
GFile *cwd;
dialog = gtk_file_dialog_new ();
gtk_file_dialog_set_title (dialog, "Save constraints");
cwd = g_file_new_for_path (".");
gtk_file_dialog_set_initial_folder (dialog, cwd);
g_object_unref (cwd);
gtk_file_dialog_save (dialog,
GTK_WINDOW (gtk_widget_get_root (GTK_WIDGET (button))),
NULL,
save_response_cb, self);
g_object_unref (dialog);
}
static void
constraint_editor_window_dispose (GObject *object)
{
gtk_widget_dispose_template (GTK_WIDGET (object), CONSTRAINT_EDITOR_WINDOW_TYPE);
G_OBJECT_CLASS (constraint_editor_window_parent_class)->dispose (object);
}
static int child_counter;
static int guide_counter;
static void
add_child (ConstraintEditorWindow *win)
{
char *name;
child_counter++;
name = g_strdup_printf ("Child %d", child_counter);
constraint_view_add_child (CONSTRAINT_VIEW (win->view), name);
g_free (name);
}
static void
add_guide (ConstraintEditorWindow *win)
{
char *name;
GtkConstraintGuide *guide;
guide_counter++;
name = g_strdup_printf ("Guide %d", guide_counter);
guide = gtk_constraint_guide_new ();
gtk_constraint_guide_set_name (guide, name);
g_free (name);
constraint_view_add_guide (CONSTRAINT_VIEW (win->view), guide);
}
static void
constraint_editor_done (ConstraintEditor *editor,
GtkConstraint *constraint,
ConstraintEditorWindow *win)
{
GtkConstraint *old_constraint;
g_object_get (editor, "constraint", &old_constraint, NULL);
if (old_constraint)
constraint_view_remove_constraint (CONSTRAINT_VIEW (win->view), old_constraint);
constraint_view_add_constraint (CONSTRAINT_VIEW (win->view), constraint);
g_clear_object (&old_constraint);
gtk_window_destroy (GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (editor), GTK_TYPE_WINDOW)));
}
static void
edit_constraint (ConstraintEditorWindow *win,
GtkConstraint *constraint)
{
GtkWidget *window;
ConstraintEditor *editor;
GListModel *model;
window = gtk_window_new ();
gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (win));
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
if (constraint)
gtk_window_set_title (GTK_WINDOW (window), "Edit Constraint");
else
gtk_window_set_title (GTK_WINDOW (window), "Create Constraint");
model = constraint_view_get_model (CONSTRAINT_VIEW (win->view));
editor = constraint_editor_new (model, constraint);
gtk_window_set_child (GTK_WINDOW (window), GTK_WIDGET (editor));
g_signal_connect (editor, "done", G_CALLBACK (constraint_editor_done), win);
gtk_window_present (GTK_WINDOW (window));
}
static void
add_constraint (ConstraintEditorWindow *win)
{
edit_constraint (win, NULL);
}
static void
guide_editor_done (GuideEditor *editor,
GtkConstraintGuide *guide,
ConstraintEditorWindow *win)
{
gtk_window_destroy (GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (editor), GTK_TYPE_WINDOW)));
}
static void
edit_guide (ConstraintEditorWindow *win,
GtkConstraintGuide *guide)
{
GtkWidget *window;
GuideEditor *editor;
window = gtk_window_new ();
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (win));
gtk_window_set_title (GTK_WINDOW (window), "Edit Guide");
editor = guide_editor_new (guide);
gtk_window_set_child (GTK_WINDOW (window), GTK_WIDGET (editor));
g_signal_connect (editor, "done", G_CALLBACK (guide_editor_done), win);
gtk_window_present (GTK_WINDOW (window));
}
static void
row_activated (GtkListBox *list,
GtkListBoxRow *row,
ConstraintEditorWindow *win)
{
GObject *item;
item = G_OBJECT (g_object_get_data (G_OBJECT (row), "item"));
if (GTK_IS_CONSTRAINT (item))
edit_constraint (win, GTK_CONSTRAINT (item));
else if (GTK_IS_CONSTRAINT_GUIDE (item))
edit_guide (win, GTK_CONSTRAINT_GUIDE (item));
}
static void
constraint_editor_window_class_init (ConstraintEditorWindowClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
g_type_ensure (CONSTRAINT_VIEW_TYPE);
object_class->dispose = constraint_editor_window_dispose;
gtk_widget_class_set_template_from_resource (widget_class,
"/org/gtk/gtk4/constraint-editor/constraint-editor-window.ui");
gtk_widget_class_bind_template_child (widget_class, ConstraintEditorWindow, paned);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditorWindow, view);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditorWindow, list);
gtk_widget_class_bind_template_callback (widget_class, open_cb);
gtk_widget_class_bind_template_callback (widget_class, save_cb);
gtk_widget_class_bind_template_callback (widget_class, add_child);
gtk_widget_class_bind_template_callback (widget_class, add_guide);
gtk_widget_class_bind_template_callback (widget_class, add_constraint);
gtk_widget_class_bind_template_callback (widget_class, row_activated);
}
static void
row_edit (GtkButton *button,
ConstraintEditorWindow *win)
{
GtkWidget *row;
GObject *item;
row = gtk_widget_get_ancestor (GTK_WIDGET (button), GTK_TYPE_LIST_BOX_ROW);
item = (GObject *)g_object_get_data (G_OBJECT (row), "item");
if (GTK_IS_CONSTRAINT (item))
edit_constraint (win, GTK_CONSTRAINT (item));
else if (GTK_IS_CONSTRAINT_GUIDE (item))
edit_guide (win, GTK_CONSTRAINT_GUIDE (item));
}
static void
mark_constraints_invalid (ConstraintEditorWindow *win,
gpointer removed)
{
GtkWidget *child;
GObject *item;
for (child = gtk_widget_get_first_child (win->list);
child;
child = gtk_widget_get_next_sibling (child))
{
item = (GObject *)g_object_get_data (G_OBJECT (child), "item");
if (GTK_IS_CONSTRAINT (item))
{
GtkConstraint *constraint = GTK_CONSTRAINT (item);
if (gtk_constraint_get_target (constraint) == (GtkConstraintTarget *)removed ||
gtk_constraint_get_source (constraint) == (GtkConstraintTarget *)removed)
{
GtkWidget *button;
button = (GtkWidget *)g_object_get_data (G_OBJECT (child), "edit");
gtk_button_set_icon_name (GTK_BUTTON (button), "dialog-warning-symbolic");
gtk_widget_set_tooltip_text (button, "Constraint is invalid");
}
}
}
}
static void
row_delete (GtkButton *button,
ConstraintEditorWindow *win)
{
GtkWidget *row;
GObject *item;
row = gtk_widget_get_ancestor (GTK_WIDGET (button), GTK_TYPE_LIST_BOX_ROW);
item = (GObject *)g_object_get_data (G_OBJECT (row), "item");
if (GTK_IS_CONSTRAINT (item))
constraint_view_remove_constraint (CONSTRAINT_VIEW (win->view),
GTK_CONSTRAINT (item));
else if (GTK_IS_CONSTRAINT_GUIDE (item))
{
mark_constraints_invalid (win, item);
constraint_view_remove_guide (CONSTRAINT_VIEW (win->view),
GTK_CONSTRAINT_GUIDE (item));
}
else if (GTK_IS_WIDGET (item))
{
mark_constraints_invalid (win, item);
constraint_view_remove_child (CONSTRAINT_VIEW (win->view),
GTK_WIDGET (item));
}
}
static GtkWidget *
create_widget_func (gpointer item,
gpointer user_data)
{
ConstraintEditorWindow *win = user_data;
const char *name;
char *freeme = NULL;
GtkWidget *row, *box, *label, *button;
if (GTK_IS_WIDGET (item))
name = gtk_widget_get_name (GTK_WIDGET (item));
else if (GTK_IS_CONSTRAINT_GUIDE (item))
name = gtk_constraint_guide_get_name (GTK_CONSTRAINT_GUIDE (item));
else if (GTK_IS_CONSTRAINT (item))
name = freeme = constraint_editor_constraint_to_string (GTK_CONSTRAINT (item));
else
name = "";
row = gtk_list_box_row_new ();
g_object_set_data_full (G_OBJECT (row), "item", g_object_ref (item), g_object_unref);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
label = gtk_label_new (name);
if (GTK_IS_WIDGET (item) || GTK_IS_CONSTRAINT_GUIDE (item))
g_object_bind_property (item, "name",
label, "label",
G_BINDING_DEFAULT);
gtk_widget_set_margin_start (label, 10);
gtk_widget_set_margin_end (label, 10);
gtk_widget_set_margin_top (label, 10);
gtk_widget_set_margin_bottom (label, 10);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_widget_set_hexpand (label, TRUE);
gtk_list_box_row_set_child (GTK_LIST_BOX_ROW (row), box);
gtk_box_append (GTK_BOX (box), label);
if (GTK_IS_CONSTRAINT (item) || GTK_IS_CONSTRAINT_GUIDE (item))
{
button = gtk_button_new_from_icon_name ("document-edit-symbolic");
gtk_button_set_has_frame (GTK_BUTTON (button), FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (row_edit), win);
g_object_set_data (G_OBJECT (row), "edit", button);
gtk_box_append (GTK_BOX (box), button);
button = gtk_button_new_from_icon_name ("edit-delete-symbolic");
gtk_button_set_has_frame (GTK_BUTTON (button), FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (row_delete), win);
gtk_box_append (GTK_BOX (box), button);
}
else if (GTK_IS_WIDGET (item))
{
button = gtk_button_new_from_icon_name ("edit-delete-symbolic");
gtk_button_set_has_frame (GTK_BUTTON (button), FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (row_delete), win);
gtk_box_append (GTK_BOX (box), button);
}
g_free (freeme);
return row;
}
static void
constraint_editor_window_init (ConstraintEditorWindow *self)
{
gtk_widget_init_template (GTK_WIDGET (self));
gtk_list_box_bind_model (GTK_LIST_BOX (self->list),
constraint_view_get_model (CONSTRAINT_VIEW (self->view)),
create_widget_func,
self,
NULL);
}
ConstraintEditorWindow *
constraint_editor_window_new (ConstraintEditorApplication *application)
{
return g_object_new (CONSTRAINT_EDITOR_WINDOW_TYPE,
"application", application,
NULL);
}

34
demos/constraint-editor/constraint-editor-window.h
View File

@ -1,34 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#pragma once
#include <gtk/gtk.h>
#include "constraint-editor-application.h"
#define CONSTRAINT_EDITOR_WINDOW_TYPE (constraint_editor_window_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintEditorWindow, constraint_editor_window, CONSTRAINT, EDITOR_WINDOW, GtkApplicationWindow)
ConstraintEditorWindow * constraint_editor_window_new (ConstraintEditorApplication *application);
gboolean constraint_editor_window_load (ConstraintEditorWindow *self,
GFile *file);

77
demos/constraint-editor/constraint-editor-window.ui
View File

@ -1,77 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<template class="ConstraintEditorWindow" parent="GtkApplicationWindow">
<property name="title" translatable="yes">GTK Constraint Editor</property>
<property name="default-width">1024</property>
<property name="default-height">768</property>
<child type="titlebar">
<object class="GtkHeaderBar" id="header">
<child type="start">
<object class="GtkButton">
<property name="icon-name">document-open-symbolic</property>
<property name="tooltip-text">Open ui file</property>
<signal name="clicked" handler="open_cb"/>
</object>
</child>
<child type="start">
<object class="GtkButton">
<property name="icon-name">document-save-symbolic</property>
<property name="tooltip-text">Save to ui file</property>
<signal name="clicked" handler="save_cb"/>
</object>
</child>
</object>
</child>
<child>
<object class="GtkPaned" id="paned">
<property name="orientation">horizontal</property>
<child>
<object class="GtkBox">
<property name="orientation">vertical</property>
<child>
<object class="GtkBox">
<property name="orientation">horizontal</property>
<child>
<object class="GtkButton">
<property name="label">Add Child</property>
<signal name="clicked" handler="add_child" swapped="yes"/>
</object>
</child>
<child>
<object class="GtkButton">
<property name="label">Add Guide</property>
<signal name="clicked" handler="add_guide" swapped="yes"/>
</object>
</child>
<child>
<object class="GtkButton">
<property name="label">Add Constraint</property>
<signal name="clicked" handler="add_constraint" swapped="yes"/>
</object>
</child>
</object>
</child>
<child>
<object class="GtkScrolledWindow">
<property name="hscrollbar-policy">never</property>
<property name="vscrollbar-policy">automatic</property>
<property name="vexpand">1</property>
<child>
<object class="GtkListBox" id="list">
<property name="show-separators">1</property>
<property name="selection-mode">none</property>
<signal name="row-activated" handler="row_activated"/>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="ConstraintView" id="view">
</object>
</child>
</object>
</child>
</template>
</interface>

716
demos/constraint-editor/constraint-editor.c
View File

@ -1,716 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc.
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#include "config.h"
#include "constraint-editor.h"
#include "constraint-view.h"
struct _ConstraintEditor
{
GtkWidget parent_instance;
GtkWidget *grid;
GtkWidget *target;
GtkWidget *target_attr;
GtkWidget *relation;
GtkWidget *source;
GtkWidget *source_attr;
GtkWidget *multiplier;
GtkWidget *constant;
GtkWidget *strength;
GtkWidget *preview;
GtkWidget *button;
GtkConstraint *constraint;
GListModel *model;
gboolean constructed;
};
enum {
PROP_MODEL = 1,
PROP_CONSTRAINT,
LAST_PROP
};
static GParamSpec *pspecs[LAST_PROP];
enum {
DONE,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
G_DEFINE_TYPE(ConstraintEditor, constraint_editor, GTK_TYPE_WIDGET);
static const char *
get_target_name (GtkConstraintTarget *target)
{
if (target == NULL)
return "Super";
else if (GTK_IS_WIDGET (target))
return gtk_widget_get_name (GTK_WIDGET (target));
else if (GTK_IS_CONSTRAINT_GUIDE (target))
return gtk_constraint_guide_get_name (GTK_CONSTRAINT_GUIDE (target));
else
return "";
}
static void
constraint_target_combo (GListModel *model,
GtkWidget *combo,
gboolean is_source)
{
GtkStringList *targets;
int i;
targets = gtk_string_list_new (NULL);
gtk_string_list_append (targets, "Super");
if (model)
{
for (i = 0; i < g_list_model_get_n_items (model); i++)
{
GObject *item = g_list_model_get_object (model, i);
if (GTK_IS_CONSTRAINT (item))
continue;
gtk_string_list_append (targets, get_target_name (GTK_CONSTRAINT_TARGET (item)));
g_object_unref (item);
}
}
gtk_drop_down_set_model (GTK_DROP_DOWN (combo), G_LIST_MODEL (targets));
g_object_unref (targets);
}
static gpointer
get_target (GListModel *model,
const char *id)
{
int i;
if (id == NULL)
return NULL;
if (strcmp ("Super", id) == 0)
return NULL;
for (i = 0; i < g_list_model_get_n_items (model); i++)
{
GObject *item = g_list_model_get_object (model, i);
g_object_unref (item);
if (GTK_IS_CONSTRAINT (item))
continue;
else if (GTK_IS_WIDGET (item))
{
if (strcmp (id, gtk_widget_get_name (GTK_WIDGET (item))) == 0)
return item;
}
else if (GTK_IS_CONSTRAINT_GUIDE (item))
{
if (strcmp (id, gtk_constraint_guide_get_name (GTK_CONSTRAINT_GUIDE (item))) == 0)
return item;
}
}
return NULL;
}
static void
select_target (GtkDropDown *combo,
const char *target_name)
{
GListModel *model = gtk_drop_down_get_model (combo);
for (unsigned int i = 0; i < g_list_model_get_n_items (model); i++)
{
GtkStringObject *s = g_list_model_get_item (model, i);
g_object_unref (s);
if (strcmp (target_name, gtk_string_object_get_string (s)) == 0)
{
gtk_drop_down_set_selected (GTK_DROP_DOWN (combo), i);
return;
}
}
}
static GtkConstraintAttribute
get_attr (unsigned int id)
{
switch (id)
{
case 0: return GTK_CONSTRAINT_ATTRIBUTE_NONE;
case 1: return GTK_CONSTRAINT_ATTRIBUTE_LEFT;
case 2: return GTK_CONSTRAINT_ATTRIBUTE_RIGHT;
case 3: return GTK_CONSTRAINT_ATTRIBUTE_TOP;
case 4: return GTK_CONSTRAINT_ATTRIBUTE_BOTTOM;
case 5: return GTK_CONSTRAINT_ATTRIBUTE_START;
case 6: return GTK_CONSTRAINT_ATTRIBUTE_END;
case 7: return GTK_CONSTRAINT_ATTRIBUTE_WIDTH;
case 8: return GTK_CONSTRAINT_ATTRIBUTE_HEIGHT;
case 9: return GTK_CONSTRAINT_ATTRIBUTE_CENTER_X;
case 10: return GTK_CONSTRAINT_ATTRIBUTE_CENTER_Y;
case 11: return GTK_CONSTRAINT_ATTRIBUTE_BASELINE;
default: g_assert_not_reached ();
}
}
static unsigned int
get_attr_id (GtkConstraintAttribute attr)
{
switch (attr)
{
case GTK_CONSTRAINT_ATTRIBUTE_NONE: return 0;
case GTK_CONSTRAINT_ATTRIBUTE_LEFT: return 1;
case GTK_CONSTRAINT_ATTRIBUTE_RIGHT: return 2;
case GTK_CONSTRAINT_ATTRIBUTE_TOP: return 3;
case GTK_CONSTRAINT_ATTRIBUTE_BOTTOM: return 4;
case GTK_CONSTRAINT_ATTRIBUTE_START: return 5;
case GTK_CONSTRAINT_ATTRIBUTE_END: return 6;
case GTK_CONSTRAINT_ATTRIBUTE_WIDTH: return 7;
case GTK_CONSTRAINT_ATTRIBUTE_HEIGHT: return 8;
case GTK_CONSTRAINT_ATTRIBUTE_CENTER_X: return 9;
case GTK_CONSTRAINT_ATTRIBUTE_CENTER_Y: return 10;
case GTK_CONSTRAINT_ATTRIBUTE_BASELINE: return 11;
default: g_assert_not_reached ();
}
}
static const char *
get_attr_nick (GtkConstraintAttribute attr)
{
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_ATTRIBUTE);
GEnumValue *value = g_enum_get_value (class, attr);
const char *nick = value->value_nick;
g_type_class_unref (class);
return nick;
}
static GtkConstraintRelation
get_relation (unsigned int id)
{
switch (id)
{
case 0: return GTK_CONSTRAINT_RELATION_LE;
case 1: return GTK_CONSTRAINT_RELATION_EQ;
case 2: return GTK_CONSTRAINT_RELATION_GE;
default: g_assert_not_reached ();
}
}
static unsigned int
get_relation_id (GtkConstraintRelation relation)
{
switch (relation)
{
case GTK_CONSTRAINT_RELATION_LE: return 0;
case GTK_CONSTRAINT_RELATION_EQ: return 1;
case GTK_CONSTRAINT_RELATION_GE: return 2;
default: g_assert_not_reached ();
}
}
static const char *
get_relation_nick (GtkConstraintRelation relation)
{
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_RELATION);
GEnumValue *value = g_enum_get_value (class, relation);
const char *nick = value->value_nick;
g_type_class_unref (class);
return nick;
}
static const char *
get_relation_display_name (GtkConstraintRelation relation)
{
switch (relation)
{
case GTK_CONSTRAINT_RELATION_LE:
return "≤";
case GTK_CONSTRAINT_RELATION_EQ:
return "=";
case GTK_CONSTRAINT_RELATION_GE:
return "≥";
default:
return "?";
}
}
static GtkConstraintStrength
get_strength (unsigned int id)
{
switch (id)
{
case 0: return GTK_CONSTRAINT_STRENGTH_WEAK;
case 1: return GTK_CONSTRAINT_STRENGTH_MEDIUM;
case 2: return GTK_CONSTRAINT_STRENGTH_STRONG;
case 3: return GTK_CONSTRAINT_STRENGTH_REQUIRED;
default: g_assert_not_reached ();
}
}
static unsigned int
get_strength_id (GtkConstraintStrength strength)
{
switch (strength)
{
case GTK_CONSTRAINT_STRENGTH_WEAK: return 0;
case GTK_CONSTRAINT_STRENGTH_MEDIUM: return 1;
case GTK_CONSTRAINT_STRENGTH_STRONG: return 2;
case GTK_CONSTRAINT_STRENGTH_REQUIRED: return 3;
default: g_assert_not_reached ();
}
}
static const char *
get_strength_nick (GtkConstraintStrength strength)
{
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_STRENGTH);
GEnumValue *value = g_enum_get_value (class, strength);
const char *nick = value->value_nick;
g_type_class_unref (class);
return nick;
}
void
constraint_editor_serialize_constraint (GString *str,
int indent,
GtkConstraint *constraint)
{
const char *target;
const char *target_attr;
const char *relation;
const char *source;
const char *source_attr;
double multiplier;
double constant;
const char *strength;
target = get_target_name (gtk_constraint_get_target (constraint));
target_attr = get_attr_nick (gtk_constraint_get_target_attribute (constraint));
relation = get_relation_nick (gtk_constraint_get_relation (constraint));
source = get_target_name (gtk_constraint_get_source (constraint));
source_attr = get_attr_nick (gtk_constraint_get_source_attribute (constraint));
multiplier = gtk_constraint_get_multiplier (constraint);
constant = gtk_constraint_get_constant (constraint);
strength = get_strength_nick (gtk_constraint_get_strength (constraint));
g_string_append_printf (str, "%*s<constraint target=\"%s\" target-attribute=\"%s\"\n", indent, "", target, target_attr);
g_string_append_printf (str, "%*s relation=\"%s\"\n", indent, "", relation);
if (strcmp (source_attr, "none") != 0)
{
g_string_append_printf (str, "%*s source=\"%s\" source-attribute=\"%s\"\n", indent, "", source, source_attr);
g_string_append_printf (str, "%*s multiplier=\"%g\"\n", indent, "", multiplier);
}
g_string_append_printf (str, "%*s constant=\"%g\"\n", indent, "", constant);
g_string_append_printf (str, "%*s strength=\"%s\" />\n", indent, "", strength);
}
static void
create_constraint (GtkButton *button,
ConstraintEditor *editor)
{
gpointer obj;
gpointer target;
GtkConstraintAttribute target_attr;
gpointer source;
GtkConstraintAttribute source_attr;
GtkConstraintRelation relation;
double multiplier;
double constant;
int strength;
GtkConstraint *constraint;
obj = gtk_drop_down_get_selected_item (GTK_DROP_DOWN (editor->target));
if (obj)
target = get_target (editor->model, gtk_string_object_get_string (GTK_STRING_OBJECT (obj)));
else
target = NULL;
target_attr = get_attr (gtk_drop_down_get_selected (GTK_DROP_DOWN (editor->target_attr)));
obj = gtk_drop_down_get_selected_item (GTK_DROP_DOWN (editor->source));
if (obj)
source = get_target (editor->model, gtk_string_object_get_string (GTK_STRING_OBJECT (obj)));
else
source = NULL;
source_attr = get_attr (gtk_drop_down_get_selected (GTK_DROP_DOWN(editor->source_attr)));
relation = get_relation (gtk_drop_down_get_selected (GTK_DROP_DOWN (editor->relation)));
multiplier = g_ascii_strtod (gtk_editable_get_text (GTK_EDITABLE (editor->multiplier)), NULL);
constant = g_ascii_strtod (gtk_editable_get_text (GTK_EDITABLE (editor->constant)), NULL);
strength = get_strength (gtk_drop_down_get_selected (GTK_DROP_DOWN (editor->strength)));
constraint = gtk_constraint_new (target, target_attr,
relation,
source, source_attr,
multiplier,
constant,
strength);
g_signal_emit (editor, signals[DONE], 0, constraint);
g_object_unref (constraint);
}
static void
source_attr_changed (ConstraintEditor *editor)
{
if (get_attr (gtk_drop_down_get_selected (GTK_DROP_DOWN (editor->source_attr))) == GTK_CONSTRAINT_ATTRIBUTE_NONE)
{
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->source), GTK_INVALID_LIST_POSITION);
gtk_editable_set_text (GTK_EDITABLE (editor->multiplier), "");
gtk_widget_set_sensitive (editor->source, FALSE);
gtk_widget_set_sensitive (editor->multiplier, FALSE);
}
else
{
gtk_widget_set_sensitive (editor->source, TRUE);
gtk_widget_set_sensitive (editor->multiplier, TRUE);
gtk_editable_set_text (GTK_EDITABLE (editor->multiplier), "1");
}
}
char *
constraint_editor_constraint_to_string (GtkConstraint *constraint)
{
GString *str;
const char *name;
const char *attr;
const char *relation;
double c, m;
str = g_string_new ("");
name = get_target_name (gtk_constraint_get_target (constraint));
attr = get_attr_nick (gtk_constraint_get_target_attribute (constraint));
relation = get_relation_display_name (gtk_constraint_get_relation (constraint));
if (name == NULL)
name = "[ ]";
g_string_append_printf (str, "%s.%s %s ", name, attr, relation);
c = gtk_constraint_get_constant (constraint);
attr = get_attr_nick (gtk_constraint_get_source_attribute (constraint));
if (strcmp (attr, "none") != 0)
{
name = get_target_name (gtk_constraint_get_source (constraint));
m = gtk_constraint_get_multiplier (constraint);
if (name == NULL)
name = "[ ]";
g_string_append_printf (str, "%s.%s", name, attr);
if (m != 1.0)
g_string_append_printf (str, " × %g", m);
if (c > 0.0)
g_string_append_printf (str, " + %g", c);
else if (c < 0.0)
g_string_append_printf (str, " - %g", -c);
}
else
g_string_append_printf (str, "%g", c);
return g_string_free (str, FALSE);
}
static void
update_preview (ConstraintEditor *editor)
{
GString *str;
const char *name;
const char *attr;
const char *relation;
const char *multiplier;
const char *constant;
double c, m;
if (!editor->constructed)
return;
str = g_string_new ("");
name = gtk_string_object_get_string (GTK_STRING_OBJECT (gtk_drop_down_get_selected_item (GTK_DROP_DOWN (editor->target))));
attr = get_attr_nick (get_attr (gtk_drop_down_get_selected ((GTK_DROP_DOWN (editor->target_attr)))));
relation = get_relation_nick (get_relation (gtk_drop_down_get_selected (GTK_DROP_DOWN (editor->relation))));
if (name == NULL)
name = "[ ]";
g_string_append_printf (str, "%s.%s %s ", name, attr, relation);
constant = gtk_editable_get_text (GTK_EDITABLE (editor->constant));
c = g_ascii_strtod (constant, NULL);
attr = get_attr_nick (get_attr (gtk_drop_down_get_selected (GTK_DROP_DOWN (editor->source_attr))));
if (strcmp (attr, "none") != 0)
{
name = gtk_string_object_get_string (GTK_STRING_OBJECT (gtk_drop_down_get_selected_item (GTK_DROP_DOWN (editor->source))));
multiplier = gtk_editable_get_text (GTK_EDITABLE (editor->multiplier));
m = g_ascii_strtod (multiplier, NULL);
if (name == NULL)
name = "[ ]";
g_string_append_printf (str, "%s.%s", name, attr);
if (m != 1.0)
g_string_append_printf (str, " × %g", m);
if (c > 0.0)
g_string_append_printf (str, " + %g", c);
else if (c < 0.0)
g_string_append_printf (str, " - %g", -c);
}
else
g_string_append_printf (str, "%g", c);
gtk_label_set_label (GTK_LABEL (editor->preview), str->str);
g_string_free (str, TRUE);
}
static void
update_button (ConstraintEditor *editor)
{
gpointer obj;
const char *target;
const char *source;
GtkConstraintAttribute source_attr = get_attr (gtk_drop_down_get_selected (GTK_DROP_DOWN (editor->source_attr)));
obj = gtk_drop_down_get_selected_item (GTK_DROP_DOWN (editor->target));
target = obj ? gtk_string_object_get_string (GTK_STRING_OBJECT (obj)) : NULL;
obj = gtk_drop_down_get_selected_item (GTK_DROP_DOWN (editor->source));
source = obj ? gtk_string_object_get_string (GTK_STRING_OBJECT (obj)) : NULL;
if (target && (source || (source_attr == GTK_CONSTRAINT_ATTRIBUTE_NONE)))
gtk_widget_set_sensitive (editor->button, TRUE);
else
gtk_widget_set_sensitive (editor->button, FALSE);
}
static void
constraint_editor_init (ConstraintEditor *editor)
{
gtk_widget_init_template (GTK_WIDGET (editor));
}
static void
constraint_editor_constructed (GObject *object)
{
ConstraintEditor *editor = CONSTRAINT_EDITOR (object);
constraint_target_combo (editor->model, editor->target, FALSE);
constraint_target_combo (editor->model, editor->source, TRUE);
if (editor->constraint)
{
GtkConstraintTarget *target;
GtkConstraintAttribute attr;
GtkConstraintRelation relation;
GtkConstraintStrength strength;
char *val;
double multiplier;
double constant;
target = gtk_constraint_get_target (editor->constraint);
select_target (GTK_DROP_DOWN (editor->target), get_target_name (target));
attr = gtk_constraint_get_target_attribute (editor->constraint);
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->target_attr), get_attr_id (attr));
target = gtk_constraint_get_source (editor->constraint);
select_target (GTK_DROP_DOWN (editor->source), get_target_name (target));
attr = gtk_constraint_get_source_attribute (editor->constraint);
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->source_attr), get_attr_id (attr));
relation = gtk_constraint_get_relation (editor->constraint);
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->relation), get_relation_id (relation));
multiplier = gtk_constraint_get_multiplier (editor->constraint);
val = g_strdup_printf ("%g", multiplier);
gtk_editable_set_text (GTK_EDITABLE (editor->multiplier), val);
g_free (val);
constant = gtk_constraint_get_constant (editor->constraint);
val = g_strdup_printf ("%g", constant);
gtk_editable_set_text (GTK_EDITABLE (editor->constant), val);
g_free (val);
strength = gtk_constraint_get_strength (editor->constraint);
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->strength), get_strength_id (strength));
gtk_button_set_label (GTK_BUTTON (editor->button), "Apply");
}
else
{
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->target_attr), get_attr_id (GTK_CONSTRAINT_ATTRIBUTE_LEFT));
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->source_attr), get_attr_id (GTK_CONSTRAINT_ATTRIBUTE_LEFT));
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->relation), get_relation_id (GTK_CONSTRAINT_RELATION_EQ));
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->strength), get_strength_id (GTK_CONSTRAINT_STRENGTH_REQUIRED));
gtk_editable_set_text (GTK_EDITABLE (editor->multiplier), "1.0");
gtk_editable_set_text (GTK_EDITABLE (editor->constant), "0.0");
gtk_button_set_label (GTK_BUTTON (editor->button), "Create");
}
editor->constructed = TRUE;
update_preview (editor);
update_button (editor);
}
static void
constraint_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
ConstraintEditor *self = CONSTRAINT_EDITOR (object);
switch (property_id)
{
case PROP_MODEL:
self->model = g_value_dup_object (value);
break;
case PROP_CONSTRAINT:
self->constraint = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
constraint_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
ConstraintEditor *self = CONSTRAINT_EDITOR (object);
switch (property_id)
{
case PROP_MODEL:
g_value_set_object (value, self->model);
break;
case PROP_CONSTRAINT:
g_value_set_object (value, self->constraint);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
constraint_editor_dispose (GObject *object)
{
ConstraintEditor *self = (ConstraintEditor *)object;
g_clear_object (&self->model);
g_clear_object (&self->constraint);
gtk_widget_dispose_template (GTK_WIDGET (object), CONSTRAINT_EDITOR_TYPE);
G_OBJECT_CLASS (constraint_editor_parent_class)->dispose (object);
}
static void
constraint_editor_class_init (ConstraintEditorClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
object_class->constructed = constraint_editor_constructed;
object_class->dispose = constraint_editor_dispose;
object_class->set_property = constraint_editor_set_property;
object_class->get_property = constraint_editor_get_property;
pspecs[PROP_CONSTRAINT] =
g_param_spec_object ("constraint", "constraint", "constraint",
GTK_TYPE_CONSTRAINT,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY);
pspecs[PROP_MODEL] =
g_param_spec_object ("model", "model", "model",
G_TYPE_LIST_MODEL,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_properties (object_class, LAST_PROP, pspecs);
signals[DONE] =
g_signal_new ("done",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
NULL,
G_TYPE_NONE, 1, GTK_TYPE_CONSTRAINT);
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
gtk_widget_class_set_template_from_resource (widget_class,
"/org/gtk/gtk4/constraint-editor/constraint-editor.ui");
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, grid);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, target);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, target_attr);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, relation);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, source);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, source_attr);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, multiplier);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, constant);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, strength);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, preview);
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, button);
gtk_widget_class_bind_template_callback (widget_class, update_preview);
gtk_widget_class_bind_template_callback (widget_class, update_button);
gtk_widget_class_bind_template_callback (widget_class, create_constraint);
gtk_widget_class_bind_template_callback (widget_class, source_attr_changed);
}
ConstraintEditor *
constraint_editor_new (GListModel *model,
GtkConstraint *constraint)
{
return g_object_new (CONSTRAINT_EDITOR_TYPE,
"model", model,
"constraint", constraint,
NULL);
}

12
demos/constraint-editor/constraint-editor.css
View File

@ -1,12 +0,0 @@
constraintview {
background: black;
color: white;
}
constraintview .child {
background: red;
}
constraintview .guide {
background: blue;
}

9
demos/constraint-editor/constraint-editor.gresource.xml
View File

@ -1,9 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<gresources>
<gresource prefix="/org/gtk/gtk4/constraint-editor">
<file preprocess="xml-stripblanks">constraint-editor-window.ui</file>
<file preprocess="xml-stripblanks">constraint-editor.ui</file>
<file preprocess="xml-stripblanks">guide-editor.ui</file>
<file>constraint-editor.css</file>
</gresource>
</gresources>

34
demos/constraint-editor/constraint-editor.h
View File

@ -1,34 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#pragma once
#include <gtk/gtk.h>
#define CONSTRAINT_EDITOR_TYPE (constraint_editor_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintEditor, constraint_editor, CONSTRAINT, EDITOR, GtkWidget)
ConstraintEditor * constraint_editor_new (GListModel *model,
GtkConstraint *constraint);
void constraint_editor_serialize_constraint (GString *str,
int indent,
GtkConstraint *constraint);
char *constraint_editor_constraint_to_string (GtkConstraint *constraint);

204
demos/constraint-editor/constraint-editor.ui
View File

@ -1,204 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<object class="GtkStringList" id="targets">
<items>
<item>None</item>
<item>Left</item>
<item>Right</item>
<item>Top</item>
<item>Bottom</item>
<item>Start</item>
<item>End</item>
<item>Width</item>
<item>Height</item>
<item>Center X</item>
<item>Center Y</item>
<item>Baseline</item>
</items>
</object>
<template class="ConstraintEditor" parent="GtkWidget">
<child>
<object class="GtkGrid" id="grid">
<property name="margin-start">20</property>
<property name="margin-end">20</property>
<property name="margin-top">20</property>
<property name="margin-bottom">20</property>
<property name="row-spacing">10</property>
<property name="column-spacing">10</property>
<child>
<object class="GtkLabel">
<property name="label">Target</property>
<layout>
<property name="column">0</property>
<property name="row">1</property>
</layout>
</object>
</child>
<child>
<object class="GtkDropDown" id="target">
<signal name="notify::selected" handler="update_preview" swapped="yes"/>
<signal name="notify::selected" handler="update_button" swapped="yes"/>
<layout>
<property name="column">1</property>
<property name="row">1</property>
</layout>
</object>
</child>
<child>
<object class="GtkDropDown" id="target_attr">
<property name="model">targets</property>
<signal name="notify::selected" handler="update_preview" swapped="yes"/>
<layout>
<property name="column">2</property>
<property name="row">1</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Relation</property>
<layout>
<property name="column">0</property>
<property name="row">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkDropDown" id="relation">
<signal name="notify::selected" handler="update_preview" swapped="yes"/>
<property name="model">
<object class="GtkStringList">
<items>
<item>≤</item>
<item>=</item>
<item>≥</item>
</items>
</object>
</property>
<layout>
<property name="column">1</property>
<property name="row">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Source</property>
<layout>
<property name="column">0</property>
<property name="row">3</property>
</layout>
</object>
</child>
<child>
<object class="GtkDropDown" id="source">
<signal name="notify::selected" handler="update_preview" swapped="yes"/>
<signal name="notify::selected" handler="update_button" swapped="yes"/>
<layout>
<property name="column">1</property>
<property name="row">3</property>
</layout>
</object>
</child>
<child>
<object class="GtkDropDown" id="source_attr">
<property name="model">targets</property>
<signal name="notify::selected" handler="update_preview" swapped="yes"/>
<signal name="notify::selected" handler="source_attr_changed" swapped="yes"/>
<signal name="notify::selected" handler="update_button" swapped="yes"/>
<layout>
<property name="column">2</property>
<property name="row">3</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Multiplier</property>
<layout>
<property name="column">0</property>
<property name="row">4</property>
</layout>
</object>
</child>
<child>
<object class="GtkEntry" id="multiplier">
<signal name="changed" handler="update_preview" swapped="yes"/>
<layout>
<property name="column">1</property>
<property name="row">4</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Constant</property>
<layout>
<property name="column">0</property>
<property name="row">5</property>
</layout>
</object>
</child>
<child>
<object class="GtkEntry" id="constant">
<signal name="changed" handler="update_preview" swapped="yes"/>
<layout>
<property name="column">1</property>
<property name="row">5</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Strength</property>
<layout>
<property name="column">0</property>
<property name="row">6</property>
</layout>
</object>
</child>
<child>
<object class="GtkDropDown" id="strength">
<property name="model">
<object class="GtkStringList">
<items>
<item>Weak</item>
<item>Medium</item>
<item>Strong</item>
<item>Required</item>
</items>
</object>
</property>
<layout>
<property name="column">1</property>
<property name="row">6</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel" id="preview">
<property name="xalign">0</property>
<layout>
<property name="column">1</property>
<property name="row">7</property>
<property name="column-span">2</property>
</layout>
<attributes>
<attribute name="scale" value="1.44"/>
</attributes>
</object>
</child>
<child>
<object class="GtkButton" id="button">
<property name="label">Create</property>
<signal name="clicked" handler="create_constraint"/>
<layout>
<property name="column">2</property>
<property name="row">8</property>
</layout>
</object>
</child>
</object>
</child>
</template>
</interface>

93
demos/constraint-editor/constraint-view-child.c
View File

@ -1,93 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#include "constraint-view-child.h"
struct _ConstraintViewChild
{
GObject parent_instance;
char *name;
};
enum {
PROP_NAME = 1,
LAST_PROP
};
static GParamSpec props[LAST_PROP];
G_DEFINE_TYPE (ConstraintViewChild, constraint_view_child, G_TYPE_OBJECT)
static void
constraint_view_child_init (ConstraintViewChild *child)
{
}
static void
constraint_view_child_finalize (GObject *object)
{
ConstraintViewChild *child = CONSTRAINT_VIEW_CHILD (object);
g_free (child->name);
G_OBJECT_CLASS (constraint_view_child_parent_class)->finalize (object);
}
static void
constraint_view_child_set_property (GObject *object,
static void
constraint_view_child_class_init (ConstraintViewChildClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = constraint_view_child_finalize;
object_class->get_property = constraint_view_child_get_property;
object_class->set_property = constraint_view_child_set_property;
props[PROP_NAME] =
g_param_spec_string ("name", "name", "name",
NULL,
G_PARAM_READWRITE);
g_object_class_install_properties (object_class, LAST_PROP, props);
}
#define CONSTRAINT_VIEW_CHILD_TYPE (constraint_view_get_type ())
G_DECLARE_TYPE (ConstraintViewChild, constraint_view_child, CONSTRAINT, VIEW_CHILD, GObject)
#define CONSTRAINT_VIEW_WIDGET_TYPE (constraint_view_widget_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintViewWidget, constraint_view_widget, CONSTRAINT, VIEW_WIDGET, ConstraintViewChild)
ConstraintViewWidget * constraint_view_widget_new (void);
#define CONSTRAINT_VIEW_GUIDE_TYPE (constraint_view_guide_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintViewGuide, constraint_view_guide, CONSTRAINT, VIEW_GUIDE, ConstraintViewChild)
ConstraintViewGuide * constraint_view_guide_new (void);
#define CONSTRAINT_VIEW_CONSTRAINT_TYPE (constraint_view_constraint_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintViewConstraint, constraint_view_constraint, CONSTRAINT, VIEW_CONSTRAINT, ConstraintViewChild)
ConstraintViewGuide * constraint_view_constraint_new (void);

44
demos/constraint-editor/constraint-view-child.h
View File

@ -1,44 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#pragma once
#include <gtk/gtk.h>
#define CONSTRAINT_VIEW_CHILD_TYPE (constraint_view_get_type ())
G_DECLARE_TYPE (ConstraintViewChild, constraint_view_child, CONSTRAINT, VIEW_CHILD, GObject)
#define CONSTRAINT_VIEW_WIDGET_TYPE (constraint_view_widget_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintViewWidget, constraint_view_widget, CONSTRAINT, VIEW_WIDGET, ConstraintViewChild)
ConstraintViewWidget * constraint_view_widget_new (void);
#define CONSTRAINT_VIEW_GUIDE_TYPE (constraint_view_guide_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintViewGuide, constraint_view_guide, CONSTRAINT, VIEW_GUIDE, ConstraintViewChild)
ConstraintViewGuide * constraint_view_guide_new (void);
#define CONSTRAINT_VIEW_CONSTRAINT_TYPE (constraint_view_constraint_get_type ())
G_DECLARE_FINAL_TYPE (ConstraintViewConstraint, constraint_view_constraint, CONSTRAINT, VIEW_CONSTRAINT, ConstraintViewChild)
ConstraintViewGuide * constraint_view_constraint_new (void);

345
demos/constraint-editor/constraint-view.c
View File

@ -1,345 +0,0 @@
/* Copyright (C) 2019 Red Hat, Inc.
*
* 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 <gtk/gtk.h>
#include "constraint-view.h"
struct _ConstraintView
{
GtkWidget parent;
GListModel *model;
GtkWidget *drag_widget;
};
G_DEFINE_TYPE (ConstraintView, constraint_view, GTK_TYPE_WIDGET);
static void
constraint_view_dispose (GObject *object)
{
ConstraintView *view = CONSTRAINT_VIEW (object);
GtkWidget *child;
while ((child = gtk_widget_get_first_child (GTK_WIDGET (view))) != NULL)
gtk_widget_unparent (child);
g_clear_object (&view->model);
G_OBJECT_CLASS (constraint_view_parent_class)->dispose (object);
}
static void
constraint_view_class_init (ConstraintViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = constraint_view_dispose;
gtk_widget_class_set_css_name (widget_class, "constraintview");
}
static void
update_weak_position (ConstraintView *self,
GtkWidget *child,
double x,
double y)
{
GtkLayoutManager *manager;
GtkConstraint *constraint;
manager = gtk_widget_get_layout_manager (GTK_WIDGET (self));
constraint = (GtkConstraint *)g_object_get_data (G_OBJECT (child), "x-constraint");
if (constraint)
{
gtk_constraint_layout_remove_constraint (GTK_CONSTRAINT_LAYOUT (manager),
constraint);
g_object_set_data (G_OBJECT (child), "x-constraint", NULL);
}
if (x != -100)
{
constraint = gtk_constraint_new_constant (child,
GTK_CONSTRAINT_ATTRIBUTE_CENTER_X,
GTK_CONSTRAINT_RELATION_EQ,
x,
GTK_CONSTRAINT_STRENGTH_WEAK);
g_object_set_data (G_OBJECT (constraint), "internal", (char *)"yes");
gtk_constraint_layout_add_constraint (GTK_CONSTRAINT_LAYOUT (manager),
constraint);
g_object_set_data (G_OBJECT (child), "x-constraint", constraint);
}
constraint = (GtkConstraint *)g_object_get_data (G_OBJECT (child), "y-constraint");
if (constraint)
{
gtk_constraint_layout_remove_constraint (GTK_CONSTRAINT_LAYOUT (manager),
constraint);
g_object_set_data (G_OBJECT (child), "y-constraint", NULL);
}
if (y != -100)
{
constraint = gtk_constraint_new_constant (child,
GTK_CONSTRAINT_ATTRIBUTE_CENTER_Y,
GTK_CONSTRAINT_RELATION_EQ,
y,
GTK_CONSTRAINT_STRENGTH_WEAK);
g_object_set_data (G_OBJECT (constraint), "internal", (char *)"yes");
gtk_constraint_layout_add_constraint (GTK_CONSTRAINT_LAYOUT (manager),
constraint);
g_object_set_data (G_OBJECT (child), "y-constraint", constraint);
}
}
static void
drag_begin (GtkGestureDrag *drag,
double start_x,
double start_y,
ConstraintView *self)
{
GtkWidget *widget;
widget = gtk_widget_pick (GTK_WIDGET (self), start_x, start_y, GTK_PICK_DEFAULT);
if (GTK_IS_LABEL (widget))
{
widget = gtk_widget_get_ancestor (widget, GTK_TYPE_FRAME);
if (widget &&
gtk_widget_get_parent (widget) == (GtkWidget *)self)
{
self->drag_widget = widget;
}
}
}
static void
drag_update (GtkGestureDrag *drag,
double offset_x,
double offset_y,
ConstraintView *self)
{
double x, y;
if (!self->drag_widget)
return;
gtk_gesture_drag_get_start_point (drag, &x, &y);
update_weak_position (self, self->drag_widget, x + offset_x, y + offset_y);
}
static void
drag_end (GtkGestureDrag *drag,
double offset_x,
double offset_y,
ConstraintView *self)
{
self->drag_widget = NULL;
}
static gboolean
omit_internal (gpointer item, gpointer user_data)
{
if (g_object_get_data (G_OBJECT (item), "internal"))
return FALSE;
return TRUE;
}
static void
constraint_view_init (ConstraintView *self)
{
GtkLayoutManager *manager;
GtkEventController *controller;
GListStore *list;
GListModel *all_children;
GListModel *all_constraints;
GListModel *guides;
GListModel *children;
GListModel *constraints;
GtkFilter *filter;
manager = gtk_constraint_layout_new ();
gtk_widget_set_layout_manager (GTK_WIDGET (self), manager);
guides = gtk_constraint_layout_observe_guides (GTK_CONSTRAINT_LAYOUT (manager));
all_constraints = gtk_constraint_layout_observe_constraints (GTK_CONSTRAINT_LAYOUT (manager));
filter = GTK_FILTER (gtk_custom_filter_new (omit_internal, NULL, NULL));
constraints = (GListModel *)gtk_filter_list_model_new (all_constraints, filter);
all_children = gtk_widget_observe_children (GTK_WIDGET (self));
filter = GTK_FILTER (gtk_custom_filter_new (omit_internal, NULL, NULL));
children = (GListModel *)gtk_filter_list_model_new (all_children, filter);
list = g_list_store_new (G_TYPE_LIST_MODEL);
g_list_store_append (list, children);
g_list_store_append (list, guides);
g_list_store_append (list, constraints);
g_object_unref (children);
g_object_unref (guides);
g_object_unref (constraints);
self->model = G_LIST_MODEL (gtk_flatten_list_model_new (G_LIST_MODEL (list)));
controller = (GtkEventController *)gtk_gesture_drag_new ();
g_signal_connect (controller, "drag-begin", G_CALLBACK (drag_begin), self);
g_signal_connect (controller, "drag-update", G_CALLBACK (drag_update), self);
g_signal_connect (controller, "drag-end", G_CALLBACK (drag_end), self);
gtk_widget_add_controller (GTK_WIDGET (self), controller);
}
ConstraintView *
constraint_view_new (void)
{
return g_object_new (CONSTRAINT_VIEW_TYPE, NULL);
}
void
constraint_view_add_child (ConstraintView *view,
const char *name)
{
GtkWidget *frame;
GtkWidget *label;
label = gtk_label_new (name);
frame = gtk_frame_new (NULL);
gtk_widget_add_css_class (frame, "child");
gtk_widget_set_name (frame, name);
gtk_frame_set_child (GTK_FRAME (frame), label);
gtk_widget_set_parent (frame, GTK_WIDGET (view));
update_weak_position (view, frame, 100, 100);
}
void
constraint_view_remove_child (ConstraintView *view,
GtkWidget *child)
{
update_weak_position (view, child, -100, -100);
gtk_widget_unparent (child);
}
void
constraint_view_add_guide (ConstraintView *view,
GtkConstraintGuide *guide)
{
GtkConstraintLayout *layout;
GtkWidget *frame;
GtkWidget *label;
const char *name;
GtkConstraint *constraint;
struct {
const char *name;
GtkConstraintAttribute attr;
} names[] = {
{ "left-constraint", GTK_CONSTRAINT_ATTRIBUTE_LEFT },
{ "top-constraint", GTK_CONSTRAINT_ATTRIBUTE_TOP },
{ "width-constraint", GTK_CONSTRAINT_ATTRIBUTE_WIDTH },
{ "height-constraint", GTK_CONSTRAINT_ATTRIBUTE_HEIGHT },
};
int i;
name = gtk_constraint_guide_get_name (guide);
label = gtk_label_new (name);
g_object_bind_property (guide, "name",
label, "label",
G_BINDING_DEFAULT);
frame = gtk_frame_new (NULL);
gtk_widget_add_css_class (frame, "guide");
g_object_set_data (G_OBJECT (frame), "internal", (char *)"yes");
gtk_frame_set_child (GTK_FRAME (frame), label);
gtk_widget_insert_after (frame, GTK_WIDGET (view), NULL);
g_object_set_data (G_OBJECT (guide), "frame", frame);
layout = GTK_CONSTRAINT_LAYOUT (gtk_widget_get_layout_manager (GTK_WIDGET (view)));
gtk_constraint_layout_add_guide (layout, g_object_ref (guide));
for (i = 0; i < G_N_ELEMENTS (names); i++)
{
constraint = gtk_constraint_new (frame,
names[i].attr,
GTK_CONSTRAINT_RELATION_EQ,
guide,
names[i].attr,
1.0, 0.0,
GTK_CONSTRAINT_STRENGTH_REQUIRED);
g_object_set_data (G_OBJECT (constraint), "internal", (char *)"yes");
gtk_constraint_layout_add_constraint (layout, constraint);
g_object_set_data (G_OBJECT (guide), names[i].name, constraint);
}
update_weak_position (view, frame, 150, 150);
}
void
constraint_view_remove_guide (ConstraintView *view,
GtkConstraintGuide *guide)
{
GtkConstraintLayout *layout;
GtkWidget *frame;
GtkConstraint *constraint;
const char *names[] = {
"left-constraint",
"top-constraint",
"width-constraint",
"height-constraint"
};
int i;
layout = GTK_CONSTRAINT_LAYOUT (gtk_widget_get_layout_manager (GTK_WIDGET (view)));
for (i = 0; i < G_N_ELEMENTS (names); i++)
{
constraint = (GtkConstraint*)g_object_get_data (G_OBJECT (guide), names[i]);
gtk_constraint_layout_remove_constraint (layout, constraint);
}
frame = (GtkWidget *)g_object_get_data (G_OBJECT (guide), "frame");
update_weak_position (view, frame, -100, -100);
gtk_widget_unparent (frame);
gtk_constraint_layout_remove_guide (layout, guide);
}
void
constraint_view_add_constraint (ConstraintView *view,
GtkConstraint *constraint)
{
GtkLayoutManager *manager;
manager = gtk_widget_get_layout_manager (GTK_WIDGET (view));
gtk_constraint_layout_add_constraint (GTK_CONSTRAINT_LAYOUT (manager),
g_object_ref (constraint));
}
void
constraint_view_remove_constraint (ConstraintView *view,
GtkConstraint *constraint)
{
GtkLayoutManager *manager;
manager = gtk_widget_get_layout_manager (GTK_WIDGET (view));
gtk_constraint_layout_remove_constraint (GTK_CONSTRAINT_LAYOUT (manager),
constraint);
}
GListModel *
constraint_view_get_model (ConstraintView *view)
{
return view->model;
}

45
demos/constraint-editor/constraint-view.h
View File

@ -1,45 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#pragma once
#include <gtk/gtk.h>
#define CONSTRAINT_VIEW_TYPE (constraint_view_get_type ())
G_MODULE_EXPORT
G_DECLARE_FINAL_TYPE (ConstraintView, constraint_view, CONSTRAINT, VIEW, GtkWidget)
ConstraintView * constraint_view_new (void);
void constraint_view_add_child (ConstraintView *view,
const char *name);
void constraint_view_remove_child (ConstraintView *view,
GtkWidget *child);
void constraint_view_add_guide (ConstraintView *view,
GtkConstraintGuide *guide);
void constraint_view_remove_guide (ConstraintView *view,
GtkConstraintGuide *guide);
void constraint_view_guide_changed (ConstraintView *view,
GtkConstraintGuide *guide);
void constraint_view_add_constraint (ConstraintView *view,
GtkConstraint *constraint);
void constraint_view_remove_constraint (ConstraintView *view,
GtkConstraint *constraint);
GListModel * constraint_view_get_model (ConstraintView *view);

355
demos/constraint-editor/guide-editor.c
View File

@ -1,355 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc.
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#include "config.h"
#include "guide-editor.h"
struct _GuideEditor
{
GtkWidget parent_instance;
GtkWidget *grid;
GtkWidget *name;
GtkWidget *min_width;
GtkWidget *min_height;
GtkWidget *nat_width;
GtkWidget *nat_height;
GtkWidget *max_width;
GtkWidget *max_height;
GtkWidget *strength;
GtkWidget *button;
GtkConstraintGuide *guide;
gboolean constructed;
};
enum {
PROP_GUIDE = 1,
LAST_PROP
};
static GParamSpec *pspecs[LAST_PROP];
enum {
DONE,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
G_DEFINE_TYPE(GuideEditor, guide_editor, GTK_TYPE_WIDGET);
static GtkConstraintStrength
get_strength (unsigned int id)
{
switch (id)
{
case 0: return GTK_CONSTRAINT_STRENGTH_WEAK;
case 1: return GTK_CONSTRAINT_STRENGTH_MEDIUM;
case 2: return GTK_CONSTRAINT_STRENGTH_STRONG;
case 3: return GTK_CONSTRAINT_STRENGTH_REQUIRED;
default: g_assert_not_reached ();
}
}
static unsigned int
get_strength_id (GtkConstraintStrength strength)
{
switch (strength)
{
case GTK_CONSTRAINT_STRENGTH_WEAK: return 0;
case GTK_CONSTRAINT_STRENGTH_MEDIUM: return 1;
case GTK_CONSTRAINT_STRENGTH_STRONG: return 2;
case GTK_CONSTRAINT_STRENGTH_REQUIRED: return 3;
default: g_assert_not_reached ();
}
}
static const char *
get_strength_nick (GtkConstraintStrength strength)
{
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_STRENGTH);
GEnumValue *value = g_enum_get_value (class, strength);
const char *nick = value->value_nick;
g_type_class_unref (class);
return nick;
}
void
guide_editor_serialize_guide (GString *str,
int indent,
GtkConstraintGuide *guide)
{
int min_width, min_height;
int nat_width, nat_height;
int max_width, max_height;
const char *name;
const char *strength;
gtk_constraint_guide_get_min_size (guide, &min_width, &min_height);
gtk_constraint_guide_get_nat_size (guide, &nat_width, &nat_height);
gtk_constraint_guide_get_max_size (guide, &max_width, &max_height);
name = gtk_constraint_guide_get_name (guide);
strength = get_strength_nick (gtk_constraint_guide_get_strength (guide));
g_string_append_printf (str, "%*s<guide min-width=\"%d\" min-height=\"%d\"\n", indent, "", min_width, min_height);
g_string_append_printf (str, "%*s nat-width=\"%d\" nat-height=\"%d\"\n", indent, "", nat_width, nat_height);
g_string_append_printf (str, "%*s max-width=\"%d\" max-height=\"%d\"\n", indent, "", max_width, max_height);
g_string_append_printf (str, "%*s name=\"%s\" strength=\"%s\" />\n", indent, "", name, strength);
}
static void
create_guide (GtkButton *button,
GuideEditor *editor)
{
int strength;
const char *name;
int w, h;
GtkConstraintGuide *guide;
unsigned int id;
if (editor->guide)
guide = g_object_ref (editor->guide);
else
guide = gtk_constraint_guide_new ();
name = gtk_editable_get_text (GTK_EDITABLE (editor->name));
gtk_constraint_guide_set_name (guide, name);
w = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->min_width));
h = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->min_height));
gtk_constraint_guide_set_min_size (guide, w, h);
w = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->nat_width));
h = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->nat_height));
gtk_constraint_guide_set_nat_size (guide, w, h);
w = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->max_width));
h = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->max_height));
gtk_constraint_guide_set_max_size (guide, w, h);
id = gtk_drop_down_get_selected (GTK_DROP_DOWN (editor->strength));
strength = get_strength (id);
gtk_constraint_guide_set_strength (guide, strength);
g_signal_emit (editor, signals[DONE], 0, guide);
g_object_unref (guide);
}
static void
guide_editor_init (GuideEditor *editor)
{
gtk_widget_init_template (GTK_WIDGET (editor));
}
static int guide_counter;
static int
min_input (GtkSpinButton *spin_button,
double *new_val)
{
if (strcmp (gtk_editable_get_text (GTK_EDITABLE (spin_button)), "") == 0)
{
*new_val = 0.0;
return TRUE;
}
return FALSE;
}
static int
max_input (GtkSpinButton *spin_button,
double *new_val)
{
if (strcmp (gtk_editable_get_text (GTK_EDITABLE (spin_button)), "") == 0)
{
*new_val = G_MAXINT;
return TRUE;
}
return FALSE;
}
static void
guide_editor_constructed (GObject *object)
{
GuideEditor *editor = GUIDE_EDITOR (object);
g_signal_connect (editor->min_width, "input", G_CALLBACK (min_input), NULL);
g_signal_connect (editor->min_height, "input", G_CALLBACK (min_input), NULL);
g_signal_connect (editor->max_width, "input", G_CALLBACK (max_input), NULL);
g_signal_connect (editor->max_height, "input", G_CALLBACK (max_input), NULL);
if (editor->guide)
{
GtkConstraintStrength strength;
const char *nick;
int w, h;
nick = gtk_constraint_guide_get_name (editor->guide);
if (nick)
gtk_editable_set_text (GTK_EDITABLE (editor->name), nick);
gtk_constraint_guide_get_min_size (editor->guide, &w, &h);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->min_width), w);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->min_height), h);
gtk_constraint_guide_get_nat_size (editor->guide, &w, &h);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->nat_width), w);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->nat_height), h);
gtk_constraint_guide_get_max_size (editor->guide, &w, &h);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->max_width), w);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->max_height), h);
strength = gtk_constraint_guide_get_strength (editor->guide);
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->strength), get_strength_id (strength));
gtk_button_set_label (GTK_BUTTON (editor->button), "Apply");
}
else
{
char *name;
guide_counter++;
name = g_strdup_printf ("Guide %d", guide_counter);
gtk_editable_set_text (GTK_EDITABLE (editor->name), name);
g_free (name);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->min_width), 0.0);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->min_height), 0.0);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->nat_width), 0.0);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->nat_height), 0.0);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->max_width), G_MAXINT);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->max_height), G_MAXINT);
gtk_drop_down_set_selected (GTK_DROP_DOWN (editor->strength), get_strength_id (GTK_CONSTRAINT_STRENGTH_MEDIUM));
gtk_button_set_label (GTK_BUTTON (editor->button), "Create");
}
editor->constructed = TRUE;
}
static void
guide_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GuideEditor *self = GUIDE_EDITOR (object);
switch (property_id)
{
case PROP_GUIDE:
self->guide = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
guide_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GuideEditor *self = GUIDE_EDITOR (object);
switch (property_id)
{
case PROP_GUIDE:
g_value_set_object (value, self->guide);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
guide_editor_dispose (GObject *object)
{
GuideEditor *self = (GuideEditor *)object;
g_clear_object (&self->guide);
gtk_widget_dispose_template (GTK_WIDGET (self), GUIDE_EDITOR_TYPE);
G_OBJECT_CLASS (guide_editor_parent_class)->dispose (object);
}
static void
guide_editor_class_init (GuideEditorClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
object_class->constructed = guide_editor_constructed;
object_class->dispose = guide_editor_dispose;
object_class->set_property = guide_editor_set_property;
object_class->get_property = guide_editor_get_property;
pspecs[PROP_GUIDE] =
g_param_spec_object ("guide", "guide", "guide",
GTK_TYPE_CONSTRAINT_GUIDE,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_properties (object_class, LAST_PROP, pspecs);
signals[DONE] =
g_signal_new ("done",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
NULL,
G_TYPE_NONE, 1, GTK_TYPE_CONSTRAINT_GUIDE);
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
gtk_widget_class_set_template_from_resource (widget_class,
"/org/gtk/gtk4/constraint-editor/guide-editor.ui");
gtk_widget_class_bind_template_child (widget_class, GuideEditor, grid);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, name);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, min_width);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, min_height);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, nat_width);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, nat_height);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, max_width);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, max_height);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, strength);
gtk_widget_class_bind_template_child (widget_class, GuideEditor, button);
gtk_widget_class_bind_template_callback (widget_class, create_guide);
}
GuideEditor *
guide_editor_new (GtkConstraintGuide *guide)
{
return g_object_new (GUIDE_EDITOR_TYPE,
"guide", guide,
NULL);
}

32
demos/constraint-editor/guide-editor.h
View File

@ -1,32 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#pragma once
#include <gtk/gtk.h>
#define GUIDE_EDITOR_TYPE (guide_editor_get_type ())
G_DECLARE_FINAL_TYPE (GuideEditor, guide_editor, GUIDE, EDITOR, GtkWidget)
GuideEditor * guide_editor_new (GtkConstraintGuide *guide);
void guide_editor_serialize_guide (GString *str,
int indent,
GtkConstraintGuide *guide);

201
demos/constraint-editor/guide-editor.ui
View File

@ -1,201 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<object class="GtkAdjustment" id="min_width_adj">
<property name="lower">0</property>
<property name="upper">2147483647</property>
<property name="step-increment">1</property>
<property name="page-increment">10</property>
<property name="page-size">0</property>
</object>
<object class="GtkAdjustment" id="min_height_adj">
<property name="lower">0</property>
<property name="upper">2147483647</property>
<property name="step-increment">1</property>
<property name="page-increment">10</property>
<property name="page-size">0</property>
</object>
<object class="GtkAdjustment" id="nat_width_adj">
<property name="lower">0</property>
<property name="upper">2147483647</property>
<property name="step-increment">1</property>
<property name="page-increment">10</property>
<property name="page-size">0</property>
</object>
<object class="GtkAdjustment" id="nat_height_adj">
<property name="lower">0</property>
<property name="upper">2147483647</property>
<property name="step-increment">1</property>
<property name="page-increment">10</property>
<property name="page-size">0</property>
</object>
<object class="GtkAdjustment" id="max_width_adj">
<property name="lower">0</property>
<property name="upper">2147483647</property>
<property name="step-increment">1</property>
<property name="page-increment">10</property>
<property name="page-size">0</property>
</object>
<object class="GtkAdjustment" id="max_height_adj">
<property name="lower">0</property>
<property name="upper">2147483647</property>
<property name="step-increment">1</property>
<property name="page-increment">10</property>
<property name="page-size">0</property>
</object>
<template class="GuideEditor" parent="GtkWidget">
<child>
<object class="GtkGrid" id="grid">
<property name="margin-start">20</property>
<property name="margin-end">20</property>
<property name="margin-top">20</property>
<property name="margin-bottom">20</property>
<property name="row-spacing">10</property>
<property name="column-spacing">10</property>
<child>
<object class="GtkLabel">
<property name="label">Name</property>
<layout>
<property name="column">0</property>
<property name="row">0</property>
</layout>
</object>
</child>
<child>
<object class="GtkEntry" id="name">
<property name="max-width-chars">20</property>
<layout>
<property name="column">1</property>
<property name="row">0</property>
<property name="column-span">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Min Size</property>
<layout>
<property name="column">0</property>
<property name="row">1</property>
</layout>
</object>
</child>
<child>
<object class="GtkSpinButton" id="min_width">
<property name="adjustment">min_width_adj</property>
<property name="max-width-chars">5</property>
<layout>
<property name="column">1</property>
<property name="row">1</property>
</layout>
</object>
</child>
<child>
<object class="GtkSpinButton" id="min_height">
<property name="adjustment">min_height_adj</property>
<property name="max-width-chars">5</property>
<layout>
<property name="column">2</property>
<property name="row">1</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Nat Size</property>
<layout>
<property name="column">0</property>
<property name="row">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkSpinButton" id="nat_width">
<property name="adjustment">nat_width_adj</property>
<property name="max-width-chars">5</property>
<layout>
<property name="column">1</property>
<property name="row">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkSpinButton" id="nat_height">
<property name="adjustment">nat_height_adj</property>
<property name="max-width-chars">5</property>
<layout>
<property name="column">2</property>
<property name="row">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Max Size</property>
<layout>
<property name="column">0</property>
<property name="row">3</property>
</layout>
</object>
</child>
<child>
<object class="GtkSpinButton" id="max_width">
<property name="adjustment">max_width_adj</property>
<property name="max-width-chars">5</property>
<layout>
<property name="column">1</property>
<property name="row">3</property>
</layout>
</object>
</child>
<child>
<object class="GtkSpinButton" id="max_height">
<property name="adjustment">max_height_adj</property>
<property name="max-width-chars">5</property>
<layout>
<property name="column">2</property>
<property name="row">3</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">Strength</property>
<layout>
<property name="column">0</property>
<property name="row">4</property>
</layout>
</object>
</child>
<child>
<object class="GtkDropDown" id="strength">
<property name="model">
<object class="GtkStringList">
<items>
<item>Weak</item>
<item>Medium</item>
<item>Strong</item>
<item>Required</item>
</items>
</object>
</property>
<layout>
<property name="column">1</property>
<property name="row">4</property>
<property name="column-span">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkButton" id="button">
<property name="label">Create</property>
<signal name="clicked" handler="create_guide"/>
<layout>
<property name="column">2</property>
<property name="row">5</property>
</layout>
</object>
</child>
</object>
</child>
</template>
</interface>

28
demos/constraint-editor/main.c
View File

@ -1,28 +0,0 @@
/*
* Copyright © 2019 Red Hat, Inc.
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen <mclasen@redhat.com>
*/
#include "config.h"
#include <constraint-editor-application.h>
int
main (int argc, char *argv[])
{
return g_application_run (G_APPLICATION (constraint_editor_application_new ()), argc, argv);
}

23
demos/constraint-editor/meson.build
View File

@ -1,23 +0,0 @@
constraint_editor_sources = [
'main.c',
'constraint-editor-application.c',
'constraint-editor-window.c',
'constraint-view.c',
'constraint-editor.c',
'guide-editor.c',
]
constraint_editor_resources = gnome.compile_resources('constraint_editor_resources',
'constraint-editor.gresource.xml',
source_dir: meson.current_source_dir(),
)
executable('gtk4-constraint-editor',
sources: [ constraint_editor_sources, constraint_editor_resources, ],
c_args: common_cflags,
dependencies: libgtk_dep,
include_directories: confinc,
win_subsystem: 'windows',
link_args: extra_demo_ldflags,
install: false,
)

1
demos/icon-browser/data/scalable/apps/org.gtk.IconBrowser4.svg
View File

File diff suppressed because one or more lines are too long
Side by Side

Before

Width:  |  Height:  |  Size: 5.2 KiB

136
demos/icon-browser/data/symbolic/apps/org.gtk.IconBrowser4-symbolic.svg
View File

@ -1,136 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:cc="http://creativecommons.org/ns#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
sodipodi:docname="org.gtk.IconBrowser4-symbolic.svg"
height="16.03125"
id="svg7384"
inkscape:version="0.92.4 5da689c313, 2019-01-14"
version="1.1"
width="16">
<metadata
id="metadata90">
<rdf:RDF>
<cc:Work
rdf:about="">
<dc:format>image/svg+xml</dc:format>
<dc:type
rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
<dc:title>Gnome Symbolic Icon Theme</dc:title>
</cc:Work>
</rdf:RDF>
</metadata>
<sodipodi:namedview
inkscape:bbox-paths="true"
bordercolor="#666666"
borderopacity="1"
inkscape:current-layer="layer9"
inkscape:cx="-2.5662459"
inkscape:cy="11.558672"
gridtolerance="10"
inkscape:guide-bbox="true"
guidetolerance="10"
id="namedview88"
inkscape:object-nodes="false"
inkscape:object-paths="false"
objecttolerance="10"
pagecolor="#555753"
inkscape:pageopacity="1"
inkscape:pageshadow="2"
showborder="true"
showgrid="false"
showguides="true"
inkscape:snap-bbox="true"
inkscape:snap-bbox-midpoints="false"
inkscape:snap-global="true"
inkscape:snap-grids="true"
inkscape:snap-nodes="true"
inkscape:snap-others="false"
inkscape:snap-to-guides="true"
inkscape:window-height="1375"
inkscape:window-maximized="1"
inkscape:window-width="2560"
inkscape:window-x="0"
inkscape:window-y="27"
inkscape:zoom="1">
<inkscape:grid
empspacing="2"
enabled="true"
id="grid4866"
originx="-203"
originy="-251.96875"
snapvisiblegridlinesonly="true"
spacingx="1"
spacingy="1"
type="xygrid"
visible="true" />
</sodipodi:namedview>
<title
id="title9167">Gnome Symbolic Icon Theme</title>
<defs
id="defs7386">
<linearGradient
id="linearGradient7212"
osb:paint="solid">
<stop
id="stop7214"
offset="0"
style="stop-color:#000000;stop-opacity:1;" />
</linearGradient>
</defs>
<g
inkscape:groupmode="layer"
id="layer9"
inkscape:label="apps"
style="display:inline"
transform="translate(-444.0002,35)">
<path
style="display:inline;opacity:1;vector-effect:none;fill:#000000;fill-opacity:1;stroke:none;stroke-width:2;stroke-linecap:butt;stroke-linejoin:bevel;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;paint-order:normal;enable-background:new"
d="m 457.9846,-27.96875 v -3 h 1 l -3,-3 -3,3 h 1 v 3 z"
id="path2809"
inkscape:connector-curvature="0"
sodipodi:nodetypes="cccccccc" />
<path
style="display:inline;opacity:1;vector-effect:none;fill:#000000;fill-opacity:1;stroke:none;stroke-width:2;stroke-linecap:butt;stroke-linejoin:bevel;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;paint-order:normal;enable-background:new"
d="m 451.9846,-23.96875 v 2 h 1 l 2,2 v -6 l -2,2 z"
id="path2811"
inkscape:connector-curvature="0"
sodipodi:nodetypes="ccccccc" />
<path
style="display:inline;opacity:1;vector-effect:none;fill:#000000;fill-opacity:1;stroke:none;stroke-width:2;stroke-linecap:butt;stroke-linejoin:bevel;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;paint-order:normal;enable-background:new"
d="m 455.9846,-24.96875 v 4 c 0,0 1,-1 1,-2 0,-1.31515 -1,-2 -1,-2 z"
id="path2813"
inkscape:connector-curvature="0"
sodipodi:nodetypes="ccsc" />
<path
style="display:inline;opacity:1;vector-effect:none;fill:#000000;fill-opacity:1;stroke:none;stroke-width:2;stroke-linecap:butt;stroke-linejoin:bevel;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;paint-order:normal;enable-background:new"
d="m 457.9846,-25.96875 v 6 c 0,0 1,-1.94591 1,-3 0,-1.05409 -1,-3 -1,-3 z"
id="path2815"
inkscape:connector-curvature="0"
sodipodi:nodetypes="ccsc" />
<path
inkscape:connector-curvature="0"
style="display:inline;opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:2;enable-background:new"
d="m 450.53751,-25.96846 c 0.24647,0 0.44708,0.19694 0.44708,0.44708 v 0.0289 c -0.008,3.05189 -2.48438,5.5237 -5.53812,5.5237 h -0.0148 c -0.25145,0 -0.44711,-0.20581 -0.44711,-0.4615 v -0.46152 -0.92302 c 0,-0.25567 0.20581,-0.4615 0.4615,-0.4615 h 0.92302 c 0.25569,0 0.46152,0.20581 0.46152,0.4615 v 0.21634 c 1.18002,-0.41715 2.10674,-1.34386 2.52389,-2.52388 h -0.21635 c -0.25566,0 -0.4615,-0.20581 -0.4615,-0.46152 v -0.92302 c 0,-0.25567 0.20581,-0.4615 0.4615,-0.4615 h 0.46152 0.4615 0.44709 0.0148 0.0148 z"
id="rect5922-7-3" />
<g
id="g904-6"
transform="matrix(0.26785369,0,0,0.26785369,436.44908,-87.00581)"
style="display:inline;fill:#000000;fill-opacity:1;stroke-width:3.73338151;enable-background:new">
<path
sodipodi:nodetypes="csscccssssccccccsccsssssccccccsssss"
inkscape:connector-curvature="0"
style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#000000;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:7.46676302;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
d="m 37,198.00759 c -2.76142,0 -5,2.23858 -5,5 0,2.76142 2.23858,5 5,5 0.89216,0 1.71236,-0.27804 2.4375,-0.6875 l 3.9375,3.6875 -3.9375,3.6875 c -0.72514,-0.40946 -1.54534,-0.6875 -2.4375,-0.6875 -2.76142,0 -5,2.23858 -5,5 0,2.76142 2.23858,5 5,5 2.76142,0 5,-2.23858 5,-5 0,-0.45832 -0.072,-0.89082 -0.1874,-1.3125 l 4.25,-4.125 8.9374,8.4375 h 3 v -2 l -16.1875,-15.6875 c 0.1156,-0.42168 0.1874,-0.85418 0.1874,-1.3125 0,-2.76142 -2.23858,-5 -5,-5 z m 0,3 c 1.10456,0 2,0.89544 2,2 0,1.10456 -0.89544,2 -2,2 -1.10456,0 -2,-0.89544 -2,-2 0,-1.10456 0.89544,-2 2,-2 z m 18,-1 -7.875,7.4375 2.625,2.5625 8.25,-8 v -2 z m -18,17 c 1.10456,0 2,0.89544 2,2 0,1.10456 -0.89544,2 -2,2 -1.10456,0 -2,-0.89544 -2,-2 0,-1.10456 0.89544,-2 2,-2 z"
id="path1079-7" />
</g>
</g>
</svg>
Side by Side

Before

Width:  |  Height:  |  Size: 7.1 KiB

2
demos/meson.build
View File

@ -3,9 +3,7 @@
appdata_config = configuration_data() appdata_config = configuration_data()
appdata_config.set('BUILD_VERSION', meson.project_version()) appdata_config.set('BUILD_VERSION', meson.project_version())
subdir('constraint-editor')
subdir('gtk-demo') subdir('gtk-demo')
subdir('icon-browser')
subdir('node-editor') subdir('node-editor')
subdir('widget-factory') subdir('widget-factory')
subdir('print-editor') subdir('print-editor')

32
docs/reference/gtk/gtk4-icon-browser.rst
View File

@ -1,32 +0,0 @@
.. _gtk4-icon-browser(1):
=================
gtk4-icon-browser
=================
-----------------
List themed icons
-----------------
:Version: GTK
:Manual section: 1
:Manual group: GTK commands
SYNOPSIS
--------
| **gtk4-icon-browser** [OPTIONS...]
DESCRIPTION
-----------
``gtk4-icon-browser`` is a utility to explore the icons in the current icon
theme. It shows icons in various sizes, their symbolic variants where available,
as well as a description of the icon and its context.
OPTIONS
-------
``-h, --help``
Show the application help.

1
docs/reference/gtk/meson.build
View File

@ -98,7 +98,6 @@ if get_option('build-demos')
[ 'gtk4-demo', '1', ], [ 'gtk4-demo', '1', ],
[ 'gtk4-demo-application', '1', ], [ 'gtk4-demo-application', '1', ],
[ 'gtk4-widget-factory', '1', ], [ 'gtk4-widget-factory', '1', ],
[ 'gtk4-icon-browser', '1', ],
[ 'gtk4-node-editor', '1', ], [ 'gtk4-node-editor', '1', ],
] ]
endif endif