gtk2/demos/icon-browser/iconbrowserwin.c
Matthias Clasen 8d79a32c50 list widgets: Use selection models in the api
Change the apis in GtkListView, GtkColumnView and
GtkGridView to be explicitly about GtkSelectionModel,
to make it obvious that the widgets handle selection.

Update all users.
2020-08-31 17:15:05 -04:00

416 lines
12 KiB
C

#include <string.h>
#include "iconbrowserapp.h"
#include "iconbrowserwin.h"
#include "iconbrowsericon.h"
#include "iconbrowsercontext.h"
#include <gtk/gtk.h>
struct _IconBrowserWindow
{
GtkApplicationWindow parent;
GtkWidget *symbolic_radio;
GtkWidget *searchbar;
GListModel *icon_filter_model;
GListStore *icon_store;
GListStore *context_store;
GtkFilter *name_filter;
GtkWidget *details;
GtkWidget *image1;
GtkWidget *image2;
GtkWidget *image3;
GtkWidget *image4;
GtkWidget *image5;
GtkWidget *image6;
GtkWidget *image7;
GtkWidget *image8;
GtkWidget *label8;
GtkWidget *description;
};
struct _IconBrowserWindowClass
{
GtkApplicationWindowClass parent_class;
};
G_DEFINE_TYPE(IconBrowserWindow, icon_browser_window, GTK_TYPE_APPLICATION_WINDOW);
static GtkIconTheme *
icon_browser_window_get_icon_theme (IconBrowserWindow *win)
{
return gtk_icon_theme_get_for_display (gtk_widget_get_display (GTK_WIDGET (win)));
}
static void
add_icon (IconBrowserWindow *win,
const char *name,
const char *description,
const char *context)
{
GtkIconTheme *icon_theme = icon_browser_window_get_icon_theme (win);
char *regular_name;
char *symbolic_name;
IbIcon *icon;
regular_name = g_strdup (name);
if (!gtk_icon_theme_has_icon (icon_theme, regular_name))
{
g_free (regular_name);
regular_name = NULL;
}
symbolic_name = g_strconcat (name, "-symbolic", NULL);
if (!gtk_icon_theme_has_icon (icon_theme, symbolic_name))
{
g_free (symbolic_name);
symbolic_name = NULL;
}
icon = ib_icon_new (regular_name, symbolic_name, description, context);
g_object_bind_property (win->symbolic_radio, "active",
icon, "use-symbolic",
G_BINDING_DEFAULT);
g_list_store_append (win->icon_store, icon);
g_object_unref (icon);
}
static void
add_context (IconBrowserWindow *win,
const char *id,
const char *name,
const char *description)
{
IbContext *context;
context = ib_context_new (id, name, description);
g_list_store_append (win->context_store, context);
g_object_unref (context);
}
static void
populate (IconBrowserWindow *win)
{
GFile *file;
GKeyFile *kf;
char *data;
gsize length;
char **groups;
int i;
file = g_file_new_for_uri ("resource:/org/gtk/iconbrowser/gtk/icon.list");
g_file_load_contents (file, NULL, &data, &length, NULL, NULL);
kf = g_key_file_new ();
g_key_file_load_from_data (kf, data, length, G_KEY_FILE_NONE, NULL);
groups = g_key_file_get_groups (kf, &length);
for (i = 0; i < length; i++)
{
const char *context;
const char *name;
const char *description;
char **keys;
gsize len;
int j;
context = groups[i];
name = g_key_file_get_string (kf, context, "Name", NULL);
description = g_key_file_get_string (kf, context, "Description", NULL);
add_context (win, context, name, description);
keys = g_key_file_get_keys (kf, context, &len, NULL);
for (j = 0; j < len; j++)
{
const char *key = keys[j];
const char *value;
if (strcmp (key, "Name") == 0 || strcmp (key, "Description") == 0)
continue;
value = g_key_file_get_string (kf, context, key, NULL);
add_icon (win, key, value, context);
}
g_strfreev (keys);
}
g_strfreev (groups);
}
static gboolean
filter_by_icon_name (gpointer item,
gpointer data)
{
return ib_icon_get_name (IB_ICON (item)) != NULL;
}
static void
symbolic_toggled (IconBrowserWindow *win)
{
gtk_filter_changed (win->name_filter, GTK_FILTER_CHANGE_DIFFERENT);
}
static void
copy_to_clipboard (GtkButton *button,
IconBrowserWindow *win)
{
GdkClipboard *clipboard;
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (win));
gdk_clipboard_set_text (clipboard, gtk_window_get_title (GTK_WINDOW (win->details)));
}
static void
set_image (GtkWidget *image, const char *name, int size)
{
gtk_image_set_from_icon_name (GTK_IMAGE (image), name);
gtk_image_set_pixel_size (GTK_IMAGE (image), size);
}
static void
item_activated (GtkGridView *view,
guint position,
IconBrowserWindow *win)
{
GListModel *model = G_LIST_MODEL (gtk_grid_view_get_model (view));
IbIcon *icon = g_list_model_get_item (model, position);
const char *name;
const char *description;
gboolean symbolic;
name = ib_icon_get_name (icon);
description = ib_icon_get_description (icon);
symbolic = ib_icon_get_use_symbolic (icon);
gtk_window_set_title (GTK_WINDOW (win->details), name);
set_image (win->image1, name, 8);
set_image (win->image2, name, 16);
set_image (win->image3, name, 18);
set_image (win->image4, name, 24);
set_image (win->image5, name, 32);
set_image (win->image6, name, 48);
set_image (win->image7, name, 64);
if (symbolic)
{
gtk_widget_show (win->image8);
gtk_widget_show (win->label8);
set_image (win->image8, name, 64);
}
else
{
gtk_widget_hide (win->image8);
gtk_widget_hide (win->label8);
}
if (description && description[0])
{
gtk_label_set_text (GTK_LABEL (win->description), description);
gtk_widget_show (win->description);
}
else
{
gtk_widget_hide (win->description);
}
gtk_window_present (GTK_WINDOW (win->details));
g_object_unref (icon);
}
static GdkPaintable *
get_image_paintable (GtkImage *image)
{
const char *icon_name;
GtkIconTheme *icon_theme;
GtkIconPaintable *icon;
int size;
switch (gtk_image_get_storage_type (image))
{
case GTK_IMAGE_PAINTABLE:
return g_object_ref (gtk_image_get_paintable (image));
case GTK_IMAGE_ICON_NAME:
icon_name = gtk_image_get_icon_name (image);
size = gtk_image_get_pixel_size (image);
icon_theme = gtk_icon_theme_get_for_display (gtk_widget_get_display (GTK_WIDGET (image)));
icon = gtk_icon_theme_lookup_icon (icon_theme,
icon_name,
NULL,
size, 1,
gtk_widget_get_direction (GTK_WIDGET (image)),
0);
if (icon == NULL)
{
g_print ("no icon for %s\n", icon_name);
return NULL;
}
return GDK_PAINTABLE (icon);
case GTK_IMAGE_GICON:
case GTK_IMAGE_EMPTY:
default:
g_warning ("Image storage type %d not handled",
gtk_image_get_storage_type (image));
return NULL;
}
}
static void
drag_begin (GtkDragSource *source,
GdkDrag *drag,
GtkWidget *widget)
{
GdkPaintable *paintable;
paintable = get_image_paintable (GTK_IMAGE (widget));
if (paintable)
{
int w, h;
w = gdk_paintable_get_intrinsic_width (paintable);
h = gdk_paintable_get_intrinsic_height (paintable);
gtk_drag_source_set_icon (source, paintable, w, h);
g_object_unref (paintable);
}
}
static GdkContentProvider *
drag_prepare_texture (GtkDragSource *source,
double x,
double y,
GtkWidget *widget)
{
GdkPaintable *paintable = get_image_paintable (GTK_IMAGE (widget));
if (!GDK_IS_PAINTABLE (paintable))
return NULL;
return gdk_content_provider_new_typed (GDK_TYPE_PAINTABLE, paintable);
}
static GdkContentProvider *
drag_prepare_file (GtkDragSource *source,
double x,
double y,
GtkWidget *widget)
{
GdkContentProvider *content;
GtkIconTheme *icon_theme;
const char *name;
GtkIconPaintable *info;
name = gtk_image_get_icon_name (GTK_IMAGE (widget));
icon_theme = gtk_icon_theme_get_for_display (gtk_widget_get_display (widget));
info = gtk_icon_theme_lookup_icon (icon_theme,
name,
NULL,
32, 1,
gtk_widget_get_direction (widget),
0);
content = gdk_content_provider_new_typed (G_TYPE_FILE, gtk_icon_paintable_get_file (info));
g_object_unref (info);
return content;
}
static void
setup_image_dnd (GtkWidget *image)
{
GtkDragSource *source;
source = gtk_drag_source_new ();
g_signal_connect (source, "prepare", G_CALLBACK (drag_prepare_texture), image);
g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image);
gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (source));
}
static void
setup_scalable_image_dnd (GtkWidget *image)
{
GtkDragSource *source;
source = gtk_drag_source_new ();
g_signal_connect (source, "prepare", G_CALLBACK (drag_prepare_file), image);
g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image);
gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (source));
}
static void
icon_browser_window_init (IconBrowserWindow *win)
{
GtkFilter *filter;
gtk_widget_init_template (GTK_WIDGET (win));
setup_image_dnd (win->image1);
setup_image_dnd (win->image2);
setup_image_dnd (win->image3);
setup_image_dnd (win->image4);
setup_image_dnd (win->image5);
setup_image_dnd (win->image6);
setup_image_dnd (win->image7);
setup_scalable_image_dnd (win->image8);
gtk_window_set_transient_for (GTK_WINDOW (win->details), GTK_WINDOW (win));
gtk_search_bar_set_key_capture_widget (GTK_SEARCH_BAR (win->searchbar), GTK_WIDGET (win));
populate (win);
filter = gtk_filter_list_model_get_filter (GTK_FILTER_LIST_MODEL (win->icon_filter_model));
win->name_filter = gtk_custom_filter_new (filter_by_icon_name, NULL, NULL);
gtk_multi_filter_append (GTK_MULTI_FILTER (filter), g_object_ref (win->name_filter));
}
static void
icon_browser_window_finalize (GObject *object)
{
IconBrowserWindow *win = ICON_BROWSER_WINDOW (object);
g_clear_object (&win->name_filter);
G_OBJECT_CLASS (icon_browser_window_parent_class)->finalize (object);
}
static void
icon_browser_window_class_init (IconBrowserWindowClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = icon_browser_window_finalize;
g_type_ensure (IB_TYPE_ICON);
g_type_ensure (IB_TYPE_CONTEXT);
gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
"/org/gtk/iconbrowser/gtk/window.ui");
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, symbolic_radio);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, searchbar);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, icon_store);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, icon_filter_model);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, context_store);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, details);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, image1);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, image2);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, image3);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, image4);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, image5);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, image6);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, image7);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, image8);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, label8);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), IconBrowserWindow, description);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), item_activated);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), copy_to_clipboard);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), symbolic_toggled);
}
IconBrowserWindow *
icon_browser_window_new (IconBrowserApp *app)
{
return g_object_new (ICON_BROWSER_WINDOW_TYPE, "application", app, NULL);
}