gtk2/demos/widget-factory/widget-factory.c
2014-10-04 15:01:29 -04:00

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/* widget-factory: a collection of widgets, for easy theme testing
*
* Copyright (C) 2011 Canonical Ltd
*
* 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/>.
*
* Authored by Andrea Cimitan <andrea.cimitan@canonical.com>
*/
#include "config.h"
#include <glib/gi18n.h>
#include <gtk/gtk.h>
static void
change_theme_state (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
GtkSettings *settings = gtk_settings_get_default ();
g_object_set (G_OBJECT (settings),
"gtk-application-prefer-dark-theme",
g_variant_get_boolean (state),
NULL);
g_simple_action_set_state (action, state);
}
static void
activate_search (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWidget *window = user_data;
GtkWidget *searchbar;
searchbar = GTK_WIDGET (g_object_get_data (G_OBJECT (window), "searchbar"));
gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (searchbar), TRUE);
}
static void
activate_delete (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWidget *window = user_data;
GtkWidget *infobar;
infobar = GTK_WIDGET (g_object_get_data (G_OBJECT (window), "infobar"));
gtk_widget_show (infobar);
}
static void
activate_about (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkApplication *app = user_data;
const gchar *authors[] = {
"Andrea Cimitan",
"Cosimo Cecchi",
NULL
};
gchar *version;
version = g_strdup_printf ("%s\nRunning against GTK+ %d.%d.%d",
PACKAGE_VERSION,
gtk_get_major_version (),
gtk_get_minor_version (),
gtk_get_micro_version ());
gtk_show_about_dialog (GTK_WINDOW (gtk_application_get_active_window (app)),
"program-name", "GTK+ Widget Factory",
"version", version,
"copyright", "(C) 1997-2013 The GTK+ Team",
"license-type", GTK_LICENSE_LGPL_2_1,
"website", "http://www.gtk.org",
"comments", "Program to demonstrate GTK+ themes and widgets",
"authors", authors,
"logo-icon-name", "gtk3-widget-factory",
"title", "About GTK+ Widget Factory",
NULL);
g_free (version);
}
static void
activate_quit (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkApplication *app = user_data;
GtkWidget *win;
GList *list, *next;
list = gtk_application_get_windows (app);
while (list)
{
win = list->data;
next = list->next;
gtk_widget_destroy (GTK_WIDGET (win));
list = next;
}
}
static void
spin_value_changed (GtkAdjustment *adjustment, GtkWidget *label)
{
GtkWidget *w;
gint v;
gchar *text;
v = (int)gtk_adjustment_get_value (adjustment);
if ((v % 3) == 0)
{
text = g_strdup_printf ("%d is a multiple of 3", v);
gtk_label_set_label (GTK_LABEL (label), text);
g_free (text);
}
w = gtk_widget_get_ancestor (label, GTK_TYPE_REVEALER);
gtk_revealer_set_reveal_child (GTK_REVEALER (w), (v % 3) == 0);
}
static void
dismiss (GtkWidget *button)
{
GtkWidget *w;
w = gtk_widget_get_ancestor (button, GTK_TYPE_REVEALER);
gtk_revealer_set_reveal_child (GTK_REVEALER (w), FALSE);
}
static void
spin_value_reset (GtkWidget *button, GtkAdjustment *adjustment)
{
gtk_adjustment_set_value (adjustment, 50.0);
dismiss (button);
}
static gint pulse_time = 250;
static gint pulse_entry_mode = 0;
static gboolean
pulse_it (GtkWidget *widget)
{
guint pulse_id;
if (GTK_IS_ENTRY (widget))
gtk_entry_progress_pulse (GTK_ENTRY (widget));
else
gtk_progress_bar_pulse (GTK_PROGRESS_BAR (widget));
pulse_id = g_timeout_add (pulse_time, (GSourceFunc)pulse_it, widget);
g_object_set_data (G_OBJECT (widget), "pulse_id", GUINT_TO_POINTER (pulse_id));
return G_SOURCE_REMOVE;
}
static void
update_pulse_time (GtkAdjustment *adjustment, GtkWidget *widget)
{
gdouble value;
guint pulse_id;
value = gtk_adjustment_get_value (adjustment);
pulse_id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (widget), "pulse_id"));
/* vary between 50 and 450 */
pulse_time = 50 + 4 * value;
if (value == 100)
{
if (pulse_id != 0)
{
g_source_remove (pulse_id);
g_object_set_data (G_OBJECT (widget), "pulse_id", NULL);
}
}
else if (value < 100)
{
if (pulse_id == 0 && (GTK_IS_PROGRESS_BAR (widget) || pulse_entry_mode % 3 == 2))
{
pulse_id = g_timeout_add (pulse_time, (GSourceFunc)pulse_it, widget);
g_object_set_data (G_OBJECT (widget), "pulse_id", GUINT_TO_POINTER (pulse_id));
}
}
}
static void
on_entry_icon_release (GtkEntry *entry,
GtkEntryIconPosition icon_pos,
GdkEvent *event,
gpointer user_data)
{
guint pulse_id;
if (icon_pos != GTK_ENTRY_ICON_SECONDARY)
return;
pulse_entry_mode++;
if (pulse_entry_mode % 3 == 0)
{
pulse_id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (entry), "pulse_id"));
if (pulse_id != 0)
{
g_source_remove (pulse_id);
g_object_set_data (G_OBJECT (entry), "pulse_id", NULL);
}
gtk_entry_set_progress_fraction (entry, 0);
}
else if (pulse_entry_mode % 3 == 1)
gtk_entry_set_progress_fraction (entry, 0.25);
else if (pulse_entry_mode % 3 == 2)
{
if (pulse_time - 50 < 400)
{
gtk_entry_set_progress_pulse_step (entry, 0.1);
pulse_it (GTK_WIDGET (entry));
}
}
}
#define EPSILON (1e-10)
static gboolean
on_scale_button_query_tooltip (GtkWidget *button,
gint x,
gint y,
gboolean keyboard_mode,
GtkTooltip *tooltip,
gpointer user_data)
{
GtkScaleButton *scale_button = GTK_SCALE_BUTTON (button);
GtkAdjustment *adjustment;
gdouble val;
gchar *str;
AtkImage *image;
image = ATK_IMAGE (gtk_widget_get_accessible (button));
adjustment = gtk_scale_button_get_adjustment (scale_button);
val = gtk_scale_button_get_value (scale_button);
if (val < (gtk_adjustment_get_lower (adjustment) + EPSILON))
{
str = g_strdup (_("Muted"));
}
else if (val >= (gtk_adjustment_get_upper (adjustment) - EPSILON))
{
str = g_strdup (_("Full Volume"));
}
else
{
gint percent;
percent = (gint) (100. * val / (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment)) + .5);
str = g_strdup_printf (C_("volume percentage", "%d%%"), percent);
}
gtk_tooltip_set_text (tooltip, str);
atk_image_set_image_description (image, str);
g_free (str);
return TRUE;
}
static void
on_scale_button_value_changed (GtkScaleButton *button,
gdouble value,
gpointer user_data)
{
gtk_widget_trigger_tooltip_query (GTK_WIDGET (button));
}
static void
on_record_button_toggled (GtkToggleButton *button,
gpointer user_data)
{
GtkStyleContext *context;
context = gtk_widget_get_style_context (GTK_WIDGET (button));
if (gtk_toggle_button_get_active (button))
gtk_style_context_remove_class (context, "destructive-action");
else
gtk_style_context_add_class (context, "destructive-action");
}
static void
on_page_combo_changed (GtkComboBox *combo,
gpointer user_data)
{
GtkWidget *from;
GtkWidget *to;
from = GTK_WIDGET (g_object_get_data (G_OBJECT (combo), "range_from_spin"));
to = GTK_WIDGET (g_object_get_data (G_OBJECT (combo), "range_to_spin"));
switch (gtk_combo_box_get_active (combo))
{
case 0: /* Range */
gtk_widget_set_sensitive (from, TRUE);
gtk_widget_set_sensitive (to, TRUE);
break;
case 1: /* All */
gtk_widget_set_sensitive (from, FALSE);
gtk_widget_set_sensitive (to, FALSE);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (from), 1);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (to), 99);
break;
case 2: /* Current */
gtk_widget_set_sensitive (from, FALSE);
gtk_widget_set_sensitive (to, FALSE);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (from), 7);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (to), 7);
break;
default:;
}
}
static void
on_range_from_changed (GtkSpinButton *from)
{
GtkSpinButton *to;
gint v1, v2;
to = GTK_SPIN_BUTTON (g_object_get_data (G_OBJECT (from), "range_to_spin"));
v1 = gtk_spin_button_get_value_as_int (from);
v2 = gtk_spin_button_get_value_as_int (to);
if (v1 > v2)
gtk_spin_button_set_value (to, v1);
}
static void
on_range_to_changed (GtkSpinButton *to)
{
GtkSpinButton *from;
gint v1, v2;
from = GTK_SPIN_BUTTON (g_object_get_data (G_OBJECT (to), "range_from_spin"));
v1 = gtk_spin_button_get_value_as_int (from);
v2 = gtk_spin_button_get_value_as_int (to);
if (v1 > v2)
gtk_spin_button_set_value (from, v2);
}
static void
update_header (GtkListBoxRow *row,
GtkListBoxRow *before,
gpointer data)
{
if (before != NULL &&
gtk_list_box_row_get_header (row) == NULL)
{
GtkWidget *separator;
separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
gtk_widget_show (separator);
gtk_list_box_row_set_header (row, separator);
}
}
static void
info_bar_response (GtkWidget *infobar, gint response_id)
{
if (response_id == GTK_RESPONSE_CLOSE)
gtk_widget_hide (infobar);
}
static void
show_dialog (GtkWidget *button, GtkWidget *dialog)
{
gtk_widget_show (dialog);
}
static void
close_dialog (GtkWidget *dialog)
{
gtk_widget_hide (dialog);
}
static void
set_needs_attention (GtkWidget *page, gboolean needs_attention)
{
GtkWidget *stack;
stack = gtk_widget_get_parent (page);
gtk_container_child_set (GTK_CONTAINER (stack), page,
"needs-attention", needs_attention,
NULL);
}
static gboolean
demand_attention (gpointer stack)
{
GtkWidget *page;
page = gtk_stack_get_child_by_name (GTK_STACK (stack), "page3");
set_needs_attention (page, TRUE);
return G_SOURCE_REMOVE;
}
static void
action_dialog_button_clicked (GtkButton *button, GtkWidget *page)
{
g_timeout_add (1000, demand_attention, page);
}
static void
page_changed_cb (GtkWidget *stack, GParamSpec *pspec, gpointer data)
{
const gchar *name;
GtkWidget *page;
if (gtk_widget_in_destruction (stack))
return;
name = gtk_stack_get_visible_child_name (GTK_STACK (stack));
if (g_str_equal (name, "page3"))
{
page = gtk_stack_get_visible_child (GTK_STACK (stack));
set_needs_attention (GTK_WIDGET (page), FALSE);
}
}
static void
populate_model (GtkTreeStore *store)
{
GtkTreeIter iter, parent0, parent1, parent2, parent3;
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter,
0, "Charlemagne",
1, "742",
2, "814",
-1);
parent0 = iter;
gtk_tree_store_append (store, &iter, &parent0);
gtk_tree_store_set (store, &iter,
0, "Pepin the Short",
1, "714",
2, "768",
-1);
parent1 = iter;
gtk_tree_store_append (store, &iter, &parent1);
gtk_tree_store_set (store, &iter,
0, "Charles Martel",
1, "688",
2, "741",
-1);
parent2 = iter;
gtk_tree_store_append (store, &iter, &parent2);
gtk_tree_store_set (store, &iter,
0, "Pepin of Herstal",
1, "635",
2, "714",
-1);
parent3 = iter;
gtk_tree_store_append (store, &iter, &parent3);
gtk_tree_store_set (store, &iter,
0, "Ansegisel",
1, "602 or 610",
2, "murdered before 679",
-1);
gtk_tree_store_append (store, &iter, &parent3);
gtk_tree_store_set (store, &iter,
0, "Begga",
1, "615",
2, "693",
-1);
gtk_tree_store_append (store, &iter, &parent2);
gtk_tree_store_set (store, &iter,
0, "Alpaida",
-1);
gtk_tree_store_append (store, &iter, &parent1);
gtk_tree_store_set (store, &iter,
0, "Rotrude",
-1);
parent2 = iter;
gtk_tree_store_append (store, &iter, &parent2);
gtk_tree_store_set (store, &iter,
0, "Liévin de Trèves",
-1);
parent3 = iter;
gtk_tree_store_append (store, &iter, &parent3);
gtk_tree_store_set (store, &iter,
0, "Guérin",
-1);
gtk_tree_store_append (store, &iter, &parent3);
gtk_tree_store_set (store, &iter,
0, "Gunza",
-1);
gtk_tree_store_append (store, &iter, &parent2);
gtk_tree_store_set (store, &iter,
0, "Willigarde de Bavière",
-1);
gtk_tree_store_append (store, &iter, &parent0);
gtk_tree_store_set (store, &iter,
0, "Bertrada of Laon",
1, "710",
2, "783",
-1);
parent1 = iter;
gtk_tree_store_append (store, &iter, &parent1);
gtk_tree_store_set (store, &iter,
0, "Caribert of Laon",
2, "before 762",
-1);
parent2 = iter;
gtk_tree_store_append (store, &iter, &parent2);
gtk_tree_store_set (store, &iter,
0, "Unknown",
-1);
gtk_tree_store_append (store, &iter, &parent2);
gtk_tree_store_set (store, &iter,
0, "Bertrada of Prüm",
1, "ca. 670",
2, "after 721",
-1);
gtk_tree_store_append (store, &iter, &parent1);
gtk_tree_store_set (store, &iter,
0, "Gisele of Aquitaine",
-1);
}
static void
update_title_header (GtkListBoxRow *row,
GtkListBoxRow *before,
gpointer data)
{
GtkWidget *header;
gchar *title;
header = gtk_list_box_row_get_header (row);
title = (gchar *)g_object_get_data (G_OBJECT (row), "title");
if (!header && title)
{
title = g_strdup_printf ("<b>%s</b>", title);
header = gtk_label_new (title);
gtk_label_set_use_markup (GTK_LABEL (header), TRUE);
gtk_widget_set_halign (header, GTK_ALIGN_START);
gtk_widget_set_margin_top (header, 12);
gtk_widget_set_margin_start (header, 6);
gtk_widget_set_margin_end (header, 6);
gtk_widget_set_margin_bottom (header, 6);
gtk_widget_show (header);
gtk_list_box_row_set_header (row, header);
g_free (title);
}
}
static void
populate_colors (GtkWidget *widget)
{
struct { const gchar *name; const gchar *color; const gchar *title; } colors[] = {
{ "2.5", "#C8828C", "Red" },
{ "5", "#C98286", NULL },
{ "7.5", "#C9827F", NULL },
{ "10", "#C98376", NULL },
{ "2.5", "#C8856D", "Red/Yellow" },
{ "5", "#C58764", NULL },
{ "7.5", "#C1895E", NULL },
{ "10", "#BB8C56", NULL },
{ "2.5", "#B58F4F", "Yellow" },
{ "5", "#AD924B", NULL },
{ "7.5", "#A79548", NULL },
{ "10", "#A09749", NULL },
{ "2.5", "#979A4E", "Yellow/Green" },
{ "5", "#8D9C55", NULL },
{ "7.5", "#7F9F62", NULL },
{ "10", "#73A06E", NULL },
{ "2.5", "#65A27C", "Green" },
{ "5", "#5CA386", NULL },
{ "7.5", "#57A38D", NULL },
{ "10", "#52A394", NULL },
{ "2.5", "#4EA39A", "Green/Blue" },
{ "5", "#49A3A2", NULL },
{ "7.5", "#46A2AA", NULL },
{ "10", "#46A1B1", NULL },
{ "2.5", "#49A0B8", "Blue" },
{ "5", "#529EBD", NULL },
{ "7.5", "#5D9CC1", NULL },
{ "10", "#689AC3", NULL },
{ "2.5", "#7597C5", "Blue/Purple" },
{ "5", "#8095C6", NULL },
{ "7.5", "#8D91C6", NULL },
{ "10", "#988EC4", NULL },
{ "2.5", "#A08CC1", "Purple" },
{ "5", "#A88ABD", NULL },
{ "7.5", "#B187B6", NULL },
{ "10", "#B786B0", NULL },
{ "2.5", "#BC84A9", "Purple/Red" },
{ "5", "#C183A0", NULL },
{ "7.5", "#C48299", NULL },
{ "10", "#C68292", NULL }
};
gint i;
GtkWidget *row, *box, *label, *swatch;
GdkRGBA rgba;
gtk_list_box_set_header_func (GTK_LIST_BOX (widget), update_title_header, NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (colors); i++)
{
row = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
label = gtk_label_new (colors[i].name);
g_object_set (label,
"halign", GTK_ALIGN_START,
"valign", GTK_ALIGN_CENTER,
"margin", 6,
"xalign", 0.0,
NULL);
gtk_box_pack_start (GTK_BOX (row), label, TRUE, TRUE, 0);
gdk_rgba_parse (&rgba, colors[i].color);
swatch = g_object_new (g_type_from_name ("GtkColorSwatch"),
"rgba", &rgba,
"selectable", FALSE,
"halign", GTK_ALIGN_END,
"valign", GTK_ALIGN_CENTER,
"margin", 6,
"height-request", 24,
NULL);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_container_add (GTK_CONTAINER (box), swatch);
gtk_box_pack_start (GTK_BOX (row), box, FALSE, FALSE, 0);
gtk_widget_show_all (row);
gtk_list_box_insert (GTK_LIST_BOX (widget), row, -1);
row = gtk_widget_get_parent (row);
gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), FALSE);
if (colors[i].title)
g_object_set_data (G_OBJECT (row), "title", (gpointer)colors[i].title);
}
gtk_list_box_invalidate_headers (GTK_LIST_BOX (widget));
}
typedef struct {
GtkWidget *flowbox;
gchar *filename;
} BackgroundData;
static void
background_loaded_cb (GObject *source,
GAsyncResult *res,
gpointer data)
{
BackgroundData *bd = data;
GtkWidget *child;
GdkPixbuf *pixbuf;
GError *error = NULL;
pixbuf = gdk_pixbuf_new_from_stream_finish (res, &error);
if (error)
{
g_warning ("%s", error->message);
g_error_free (error);
return;
}
child = gtk_image_new_from_pixbuf (pixbuf);
gtk_widget_show (child);
gtk_flow_box_insert (GTK_FLOW_BOX (bd->flowbox), child, -1);
child = gtk_widget_get_parent (child);
g_object_set_data_full (G_OBJECT (child), "filename", bd->filename, g_free);
g_free (bd);
}
static void
populate_flowbox (GtkWidget *button, GtkWidget *flowbox)
{
const gchar *location;
GDir *dir;
GError *error = NULL;
const gchar *name;
gchar *filename;
GFile *file;
GInputStream *stream;
BackgroundData *bd;
GdkPixbuf *pixbuf;
GtkWidget *child;
g_signal_handlers_disconnect_by_func (button, populate_flowbox, flowbox);
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, 110, 70);
gdk_pixbuf_fill (pixbuf, 0xffffffff);
child = gtk_image_new_from_pixbuf (pixbuf);
gtk_widget_show (child);
gtk_flow_box_insert (GTK_FLOW_BOX (flowbox), child, -1);
location = "/usr/share/backgrounds/gnome";
dir = g_dir_open (location, 0, &error);
if (error)
{
g_warning ("%s", error->message);
g_error_free (error);
return;
}
while ((name = g_dir_read_name (dir)) != NULL)
{
filename = g_build_filename (location, name, NULL);
file = g_file_new_for_path (filename);
stream = G_INPUT_STREAM (g_file_read (file, NULL, &error));
if (error)
{
g_warning ("%s", error->message);
g_clear_error (&error);
g_free (filename);
}
else
{
bd = g_new (BackgroundData, 1);
bd->flowbox = flowbox;
bd->filename = filename;
gdk_pixbuf_new_from_stream_at_scale_async (stream, 110, 110, TRUE, NULL,
background_loaded_cb, bd);
}
g_object_unref (file);
g_object_unref (stream);
}
g_dir_close (dir);
}
static void
row_activated (GtkListBox *box, GtkListBoxRow *row)
{
GtkWidget *image;
GtkWidget *dialog;
image = (GtkWidget *)g_object_get_data (G_OBJECT (row), "image");
dialog = (GtkWidget *)g_object_get_data (G_OBJECT (row), "dialog");
if (image)
{
if (gtk_widget_get_opacity (image) > 0)
gtk_widget_set_opacity (image, 0);
else
gtk_widget_set_opacity (image, 1);
}
else if (dialog)
{
gtk_window_present (GTK_WINDOW (dialog));
}
}
static void
set_accel (GtkApplication *app, GtkWidget *widget)
{
GtkWidget *accel_label;
const gchar *action;
gchar **accels;
guint key;
GdkModifierType mods;
accel_label = gtk_bin_get_child (GTK_BIN (widget));
g_assert (GTK_IS_ACCEL_LABEL (accel_label));
action = gtk_actionable_get_action_name (GTK_ACTIONABLE (widget));
accels = gtk_application_get_accels_for_action (app, action);
gtk_accelerator_parse (accels[0], &key, &mods);
gtk_accel_label_set_accel (GTK_ACCEL_LABEL (accel_label), key, mods);
g_strfreev (accels);
}
typedef struct
{
GtkTextView tv;
cairo_surface_t *surface;
} MyTextView;
typedef GtkTextViewClass MyTextViewClass;
G_DEFINE_TYPE (MyTextView, my_text_view, GTK_TYPE_TEXT_VIEW)
static void
my_text_view_init (MyTextView *tv)
{
}
static void
my_tv_draw_layer (GtkTextView *widget,
GtkTextViewLayer layer,
cairo_t *cr)
{
MyTextView *tv = (MyTextView *)widget;
if (layer == GTK_TEXT_VIEW_LAYER_BELOW && tv->surface)
{
cairo_save (cr);
cairo_set_source_surface (cr, tv->surface, 0.0, 0.0);
cairo_paint_with_alpha (cr, 0.333);
cairo_restore (cr);
}
}
static void
my_tv_finalize (GObject *object)
{
MyTextView *tv = (MyTextView *)object;
if (tv->surface)
cairo_surface_destroy (tv->surface);
G_OBJECT_CLASS (my_text_view_parent_class)->finalize (object);
}
static void
my_text_view_class_init (MyTextViewClass *class)
{
GtkTextViewClass *tv_class = GTK_TEXT_VIEW_CLASS (class);
GObjectClass *o_class = G_OBJECT_CLASS (class);
o_class->finalize = my_tv_finalize;
tv_class->draw_layer = my_tv_draw_layer;
}
static void
my_text_view_set_background (MyTextView *tv, const gchar *filename)
{
GdkPixbuf *pixbuf;
GError *error = NULL;
if (tv->surface)
cairo_surface_destroy (tv->surface);
tv->surface = NULL;
if (filename == NULL)
return;
pixbuf = gdk_pixbuf_new_from_file (filename, &error);
if (error)
{
g_warning ("%s", error->message);
g_error_free (error);
return;
}
tv->surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL);
g_object_unref (pixbuf);
gtk_widget_queue_draw (GTK_WIDGET (tv));
}
static void
close_selection_dialog (GtkWidget *dialog, gint response, GtkWidget *tv)
{
GtkWidget *box;
GtkWidget *child;
GList *children;
const gchar *filename;
gtk_widget_hide (dialog);
if (response == GTK_RESPONSE_CANCEL)
return;
box = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
children = gtk_container_get_children (GTK_CONTAINER (box));
box = children->data;
g_list_free (children);
g_assert (GTK_IS_FLOW_BOX (box));
children = gtk_flow_box_get_selected_children (GTK_FLOW_BOX (box));
if (!children)
return;
child = children->data;
filename = (const gchar *)g_object_get_data (G_OBJECT (child), "filename");
g_list_free (children);
my_text_view_set_background ((MyTextView *)tv, filename);
}
static void
toggle_selection_mode (GtkSwitch *sw,
GParamSpec *pspec,
GtkListBox *listbox)
{
if (gtk_switch_get_active (sw))
gtk_list_box_set_selection_mode (listbox, GTK_SELECTION_SINGLE);
else
gtk_list_box_set_selection_mode (listbox, GTK_SELECTION_NONE);
gtk_list_box_set_activate_on_single_click (listbox, !gtk_switch_get_active (sw));
}
static void
activate (GApplication *app)
{
GtkBuilder *builder;
GtkWindow *window;
GtkWidget *widget;
GtkWidget *widget2;
GtkWidget *widget3;
GtkWidget *stack;
GtkWidget *dialog;
GtkAdjustment *adj;
GtkCssProvider *provider;
static GActionEntry win_entries[] = {
{ "dark", NULL, NULL, "false", change_theme_state },
{ "search", activate_search, NULL, NULL, NULL },
{ "delete", activate_delete, NULL, NULL, NULL }
};
struct {
const gchar *action_and_target;
const gchar *accelerators[2];
} accels[] = {
{ "app.about", { "F1", NULL } },
{ "app.quit", { "<Primary>q", NULL } },
{ "win.dark", { "<Primary>d", NULL } },
{ "win.search", { "<Primary>s", NULL } },
{ "win.delete", { "Delete", NULL } }
};
gint i;
g_type_ensure (my_text_view_get_type ());
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, ".circular-button { border-radius: 20px; outline-radius: 20px; }", -1, NULL);
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_USER);
g_object_unref (provider);
builder = gtk_builder_new_from_resource ("/org/gtk/WidgetFactory/widget-factory.ui");
gtk_builder_add_callback_symbol (builder, "on_entry_icon_release", (GCallback)on_entry_icon_release);
gtk_builder_add_callback_symbol (builder, "on_scale_button_value_changed", (GCallback)on_scale_button_value_changed);
gtk_builder_add_callback_symbol (builder, "on_scale_button_query_tooltip", (GCallback)on_scale_button_query_tooltip);
gtk_builder_add_callback_symbol (builder, "on_record_button_toggled", (GCallback)on_record_button_toggled);
gtk_builder_add_callback_symbol (builder, "on_page_combo_changed", (GCallback)on_page_combo_changed);
gtk_builder_add_callback_symbol (builder, "on_range_from_changed", (GCallback)on_range_from_changed);
gtk_builder_add_callback_symbol (builder, "on_range_to_changed", (GCallback)on_range_to_changed);
gtk_builder_connect_signals (builder, NULL);
window = (GtkWindow *)gtk_builder_get_object (builder, "window");
gtk_application_add_window (GTK_APPLICATION (app), window);
g_action_map_add_action_entries (G_ACTION_MAP (window),
win_entries, G_N_ELEMENTS (win_entries),
window);
for (i = 0; i < G_N_ELEMENTS (accels); i++)
gtk_application_set_accels_for_action (GTK_APPLICATION (app), accels[i].action_and_target, accels[i].accelerators);
widget = (GtkWidget *)gtk_builder_get_object (builder, "statusbar");
gtk_statusbar_push (GTK_STATUSBAR (widget), 0, "All systems are operating normally.");
g_action_map_add_action (G_ACTION_MAP (window),
G_ACTION (g_property_action_new ("statusbar", widget, "visible")));
widget = (GtkWidget *)gtk_builder_get_object (builder, "toolbar");
g_action_map_add_action (G_ACTION_MAP (window),
G_ACTION (g_property_action_new ("toolbar", widget, "visible")));
adj = (GtkAdjustment *)gtk_builder_get_object (builder, "adjustment1");
widget = (GtkWidget *)gtk_builder_get_object (builder, "progressbar3");
g_signal_connect (adj, "value-changed", G_CALLBACK (update_pulse_time), widget);
update_pulse_time (adj, widget);
widget = (GtkWidget *)gtk_builder_get_object (builder, "entry1");
g_signal_connect (adj, "value-changed", G_CALLBACK (update_pulse_time), widget);
update_pulse_time (adj, widget);
widget = (GtkWidget *)gtk_builder_get_object (builder, "page2reset");
adj = (GtkAdjustment *) gtk_builder_get_object (builder, "adjustment2");
g_signal_connect (widget, "clicked", G_CALLBACK (spin_value_reset), adj);
widget = (GtkWidget *)gtk_builder_get_object (builder, "page2dismiss");
g_signal_connect (widget, "clicked", G_CALLBACK (dismiss), NULL);
widget = (GtkWidget *)gtk_builder_get_object (builder, "page2note");
adj = (GtkAdjustment *) gtk_builder_get_object (builder, "adjustment2");
g_signal_connect (adj, "value-changed", G_CALLBACK (spin_value_changed), widget);
widget = (GtkWidget *)gtk_builder_get_object (builder, "listbox");
gtk_list_box_set_header_func (GTK_LIST_BOX (widget), update_header, NULL, NULL);
g_signal_connect (widget, "row-activated", G_CALLBACK (row_activated), NULL);
widget2 = (GtkWidget *)gtk_builder_get_object (builder, "listboxrow1switch");
g_signal_connect (widget2, "notify::active", G_CALLBACK (toggle_selection_mode), widget);
widget = (GtkWidget *)gtk_builder_get_object (builder, "listboxrow3");
widget2 = (GtkWidget *)gtk_builder_get_object (builder, "listboxrow3image");
g_object_set_data (G_OBJECT (widget), "image", widget2);
widget = (GtkWidget *)gtk_builder_get_object (builder, "listboxrow4");
widget2 = (GtkWidget *)gtk_builder_get_object (builder, "info_dialog");
g_object_set_data (G_OBJECT (widget), "dialog", widget2);
widget = (GtkWidget *)gtk_builder_get_object (builder, "listboxrow5button");
widget2 = (GtkWidget *)gtk_builder_get_object (builder, "action_dialog");
g_signal_connect_swapped (widget, "clicked", G_CALLBACK (gtk_window_present), widget2);
widget = (GtkWidget *)gtk_builder_get_object (builder, "toolbar");
g_object_set_data (G_OBJECT (window), "toolbar", widget);
widget = (GtkWidget *)gtk_builder_get_object (builder, "searchbar");
g_object_set_data (G_OBJECT (window), "searchbar", widget);
widget = (GtkWidget *)gtk_builder_get_object (builder, "infobar");
g_signal_connect (widget, "response", G_CALLBACK (info_bar_response), NULL);
g_object_set_data (G_OBJECT (window), "infobar", widget);
dialog = (GtkWidget *)gtk_builder_get_object (builder, "info_dialog");
g_signal_connect (dialog, "response", G_CALLBACK (close_dialog), NULL);
widget = (GtkWidget *)gtk_builder_get_object (builder, "info_dialog_button");
g_signal_connect (widget, "clicked", G_CALLBACK (show_dialog), dialog);
dialog = (GtkWidget *)gtk_builder_get_object (builder, "action_dialog");
g_signal_connect (dialog, "response", G_CALLBACK (close_dialog), NULL);
widget = (GtkWidget *)gtk_builder_get_object (builder, "action_dialog_button");
g_signal_connect (widget, "clicked", G_CALLBACK (show_dialog), dialog);
widget = (GtkWidget *)gtk_builder_get_object (builder, "act_action_dialog");
stack = (GtkWidget *)gtk_builder_get_object (builder, "toplevel_stack");
g_signal_connect (widget, "clicked", G_CALLBACK (action_dialog_button_clicked), stack);
g_signal_connect (stack, "notify::visible-child-name", G_CALLBACK (page_changed_cb), NULL);
dialog = (GtkWidget *)gtk_builder_get_object (builder, "preference_dialog");
g_signal_connect (dialog, "response", G_CALLBACK (close_dialog), NULL);
widget = (GtkWidget *)gtk_builder_get_object (builder, "preference_dialog_button");
g_signal_connect (widget, "clicked", G_CALLBACK (show_dialog), dialog);
dialog = (GtkWidget *)gtk_builder_get_object (builder, "selection_dialog");
widget = (GtkWidget *)gtk_builder_get_object (builder, "text3");
g_signal_connect (dialog, "response", G_CALLBACK (close_selection_dialog), widget);
widget = (GtkWidget *)gtk_builder_get_object (builder, "selection_dialog_button");
g_signal_connect (widget, "clicked", G_CALLBACK (show_dialog), dialog);
widget2 = (GtkWidget *)gtk_builder_get_object (builder, "selection_flowbox");
g_signal_connect (widget, "clicked", G_CALLBACK (populate_flowbox), widget2);
widget = (GtkWidget *)gtk_builder_get_object (builder, "charletree");
populate_model ((GtkTreeStore *)gtk_tree_view_get_model (GTK_TREE_VIEW (widget)));
gtk_tree_view_expand_all (GTK_TREE_VIEW (widget));
populate_colors ((GtkWidget *)gtk_builder_get_object (builder, "munsell"));
widget = (GtkWidget *)gtk_builder_get_object (builder, "page_combo");
widget2 = (GtkWidget *)gtk_builder_get_object (builder, "range_from_spin");
widget3 = (GtkWidget *)gtk_builder_get_object (builder, "range_to_spin");
g_object_set_data (G_OBJECT (widget), "range_from_spin", widget2);
g_object_set_data (G_OBJECT (widget3), "range_from_spin", widget2);
g_object_set_data (G_OBJECT (widget), "range_to_spin", widget3);
g_object_set_data (G_OBJECT (widget2), "range_to_spin", widget3);
set_accel (GTK_APPLICATION (app), GTK_WIDGET (gtk_builder_get_object (builder, "quitmenuitem")));
set_accel (GTK_APPLICATION (app), GTK_WIDGET (gtk_builder_get_object (builder, "deletemenuitem")));
set_accel (GTK_APPLICATION (app), GTK_WIDGET (gtk_builder_get_object (builder, "searchmenuitem")));
set_accel (GTK_APPLICATION (app), GTK_WIDGET (gtk_builder_get_object (builder, "darkmenuitem")));
set_accel (GTK_APPLICATION (app), GTK_WIDGET (gtk_builder_get_object (builder, "aboutmenuitem")));
gtk_widget_show_all (GTK_WIDGET (window));
g_object_unref (builder);
}
int
main (int argc, char *argv[])
{
GtkApplication *app;
static GActionEntry app_entries[] = {
{ "about", activate_about, NULL, NULL, NULL },
{ "quit", activate_quit, NULL, NULL, NULL },
{ "main", NULL, "s", "'steak'", NULL },
{ "wine", NULL, NULL, "false", NULL },
{ "beer", NULL, NULL, "false", NULL },
{ "water", NULL, NULL, "true", NULL },
{ "dessert", NULL, "s", "'bars'", NULL },
{ "pay", NULL, "s", NULL, NULL }
};
gint status;
app = gtk_application_new ("org.gtk.WidgetFactory", G_APPLICATION_NON_UNIQUE);
g_action_map_add_action_entries (G_ACTION_MAP (app),
app_entries, G_N_ELEMENTS (app_entries),
app);
g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
status = g_application_run (G_APPLICATION (app), argc, argv);
g_object_unref (app);
return status;
}