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example: Use declared callbacks where possible

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Replace manual signal connections with signal handlers
declared in the ui file, where possible.
This commit is contained in:
Matthias Clasen 2013-07-27 20:33:08 -04:00
parent 3bb059b6e8
commit c9ce98714d
15 changed files with 116 additions and 80 deletions
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74
examples/application6/exampleappprefs.c
View File

@ -4,68 +4,76 @@
#include "exampleappwin.h"
#include "exampleappprefs.h"
struct ExampleAppPrefs {
GtkDialog parent;
struct _ExampleAppPrefs
{
GtkDialog parent;
};
struct ExampleAppPrefsClass {
GtkDialogClass parent_class;
struct _ExampleAppPrefsClass
{
GtkDialogClass parent_class;
};
typedef struct ExampleAppPrefsPrivate ExampleAppPrefsPrivate;
struct ExampleAppPrefsPrivate {
GSettings *settings;
GtkWidget *font;
GtkWidget *transition;
GtkWidget *close;
typedef struct _ExampleAppPrefsPrivate ExampleAppPrefsPrivate;
struct _ExampleAppPrefsPrivate
{
GSettings *settings;
GtkWidget *font;
GtkWidget *transition;
};
G_DEFINE_TYPE_WITH_PRIVATE(ExampleAppPrefs, example_app_prefs, GTK_TYPE_DIALOG)
static void
preferences_closed (GtkWidget *button)
{
gtk_widget_destroy (gtk_widget_get_toplevel (button));
}
static void
example_app_prefs_init (ExampleAppPrefs *prefs)
{
ExampleAppPrefsPrivate *priv;
ExampleAppPrefsPrivate *priv;
priv = example_app_prefs_get_instance_private (prefs);
gtk_widget_init_template (GTK_WIDGET (prefs));
priv->settings = g_settings_new ("org.gtk.exampleapp");
priv = example_app_prefs_get_instance_private (prefs);
gtk_widget_init_template (GTK_WIDGET (prefs));
priv->settings = g_settings_new ("org.gtk.exampleapp");
g_settings_bind (priv->settings, "font",
priv->font, "font",
G_SETTINGS_BIND_DEFAULT);
g_settings_bind (priv->settings, "transition",
priv->transition, "active-id",
G_SETTINGS_BIND_DEFAULT);
g_signal_connect_swapped (priv->close, "clicked",
G_CALLBACK (gtk_widget_destroy), prefs);
g_settings_bind (priv->settings, "font",
priv->font, "font",
G_SETTINGS_BIND_DEFAULT);
g_settings_bind (priv->settings, "transition",
priv->transition, "active-id",
G_SETTINGS_BIND_DEFAULT);
}
static void
example_app_prefs_dispose (GObject *object)
{
ExampleAppPrefsPrivate *priv;
ExampleAppPrefsPrivate *priv;
priv = example_app_prefs_get_instance_private (EXAMPLE_APP_PREFS (object));
g_clear_object (&priv->settings);
priv = example_app_prefs_get_instance_private (EXAMPLE_APP_PREFS (object));
g_clear_object (&priv->settings);
G_OBJECT_CLASS (example_app_prefs_parent_class)->dispose (object);
G_OBJECT_CLASS (example_app_prefs_parent_class)->dispose (object);
}
static void
example_app_prefs_class_init (ExampleAppPrefsClass *class)
{
G_OBJECT_CLASS (class)->dispose = example_app_prefs_dispose;
G_OBJECT_CLASS (class)->dispose = example_app_prefs_dispose;
gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
"/org/gtk/exampleapp/prefs.ui");
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, font);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, transition);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, close);
gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
"/org/gtk/exampleapp/prefs.ui");
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, font);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, transition);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), preferences_closed);
}
ExampleAppPrefs *
example_app_prefs_new (ExampleAppWindow *win)
{
return g_object_new (EXAMPLE_APP_PREFS_TYPE, "transient-for", win, NULL);
return g_object_new (EXAMPLE_APP_PREFS_TYPE, "transient-for", win, NULL);
}

4
examples/application6/exampleappprefs.h
View File

@ -9,8 +9,8 @@
#define EXAMPLE_APP_PREFS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EXAMPLE_APP_PREFS_TYPE, ExampleAppPrefs))
typedef struct ExampleAppPrefs ExampleAppPrefs;
typedef struct ExampleAppPrefsClass ExampleAppPrefsClass;
typedef struct _ExampleAppPrefs ExampleAppPrefs;
typedef struct _ExampleAppPrefsClass ExampleAppPrefsClass;
GType example_app_prefs_get_type (void);

1
examples/application6/prefs.ui
View File

@ -69,6 +69,7 @@
<property name="visible">True</property>
<child>
<object class="GtkButton" id="close">
<signal name="clicked" handler="preferences_closed"/>
<property name="visible">True</property>
<property name="label">_Close</property>
<property name="use-underline">True</property>

12
examples/application7/exampleappprefs.c
View File

@ -21,11 +21,16 @@ struct _ExampleAppPrefsPrivate
GSettings *settings;
GtkWidget *font;
GtkWidget *transition;
GtkWidget *close;
};
G_DEFINE_TYPE_WITH_PRIVATE(ExampleAppPrefs, example_app_prefs, GTK_TYPE_DIALOG)
static void
preferences_closed (GtkWidget *button)
{
gtk_widget_destroy (gtk_widget_get_toplevel (button));
}
static void
example_app_prefs_init (ExampleAppPrefs *prefs)
{
@ -41,8 +46,6 @@ example_app_prefs_init (ExampleAppPrefs *prefs)
g_settings_bind (priv->settings, "transition",
priv->transition, "active-id",
G_SETTINGS_BIND_DEFAULT);
g_signal_connect_swapped (priv->close, "clicked",
G_CALLBACK (gtk_widget_destroy), prefs);
}
static void
@ -65,7 +68,8 @@ example_app_prefs_class_init (ExampleAppPrefsClass *class)
"/org/gtk/exampleapp/prefs.ui");
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, font);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, transition);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, close);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), preferences_closed);
}
ExampleAppPrefs *

26
examples/application7/exampleappwin.c
View File

@ -20,15 +20,14 @@ struct _ExampleAppWindowPrivate
GtkWidget *stack;
GtkWidget *search;
GtkWidget *searchbar;
GtkWidget *searchentry;
};
G_DEFINE_TYPE_WITH_PRIVATE(ExampleAppWindow, example_app_window, GTK_TYPE_APPLICATION_WINDOW);
static void
search_text_changed (GtkEntry *entry,
ExampleAppWindow *win)
search_text_changed (GtkEntry *entry)
{
ExampleAppWindow *win;
ExampleAppWindowPrivate *priv;
const gchar *text;
GtkWidget *tab;
@ -41,6 +40,7 @@ search_text_changed (GtkEntry *entry,
if (text[0] == '\0')
return;
win = EXAMPLE_APP_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (entry)));
priv = example_app_window_get_instance_private (win);
tab = gtk_stack_get_visible_child (GTK_STACK (priv->stack));
@ -59,15 +59,17 @@ search_text_changed (GtkEntry *entry,
}
static void
visible_child_changed (GObject *stack,
GParamSpec *pspec,
ExampleAppWindow *win)
visible_child_changed (GObject *stack,
GParamSpec *pspec)
{
ExampleAppWindow *win;
ExampleAppWindowPrivate *priv;
if (gtk_widget_in_destruction (GTK_WIDGET (win)))
if (gtk_widget_in_destruction (GTK_WIDGET (stack)))
return;
win = EXAMPLE_APP_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (stack)));
priv = example_app_window_get_instance_private (win);
gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (priv->searchbar), FALSE);
}
@ -88,11 +90,6 @@ example_app_window_init (ExampleAppWindow *win)
g_object_bind_property (priv->search, "active",
priv->searchbar, "search-mode-enabled",
G_BINDING_BIDIRECTIONAL);
g_signal_connect (priv->searchentry, "changed",
G_CALLBACK (search_text_changed), win);
g_signal_connect (priv->stack, "notify::visible-child",
G_CALLBACK (visible_child_changed), win);
}
static void
@ -116,10 +113,13 @@ example_app_window_class_init (ExampleAppWindowClass *class)
gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
"/org/gtk/exampleapp/window.ui");
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, stack);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, search);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, searchbar);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, searchentry);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), search_text_changed);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), visible_child_changed);
}
ExampleAppWindow *

1
examples/application7/prefs.ui
View File

@ -69,6 +69,7 @@
<property name="visible">True</property>
<child>
<object class="GtkButton" id="close">
<signal name="clicked" handler="preferences_closed"/>
<property name="visible">True</property>
<property name="label">_Close</property>
<property name="use-underline">True</property>

2
examples/application7/window.ui
View File

@ -41,6 +41,7 @@
<property name="visible">True</property>
<child>
<object class="GtkSearchEntry" id="searchentry">
<signal name="changed" handler="search_text_changed"/>
<property name="visible">True</property>
</object>
</child>
@ -48,6 +49,7 @@
</child>
<child>
<object class="GtkStack" id="stack">
<signal name="notify::visible-child" handler="visible_child_changed"/>
<property name="visible">True</property>
</object>
</child>

12
examples/application8/exampleappprefs.c
View File

@ -21,11 +21,16 @@ struct _ExampleAppPrefsPrivate
GSettings *settings;
GtkWidget *font;
GtkWidget *transition;
GtkWidget *close;
};
G_DEFINE_TYPE_WITH_PRIVATE(ExampleAppPrefs, example_app_prefs, GTK_TYPE_DIALOG)
static void
preferences_closed (GtkWidget *button)
{
gtk_widget_destroy (gtk_widget_get_toplevel (button));
}
static void
example_app_prefs_init (ExampleAppPrefs *prefs)
{
@ -41,8 +46,6 @@ example_app_prefs_init (ExampleAppPrefs *prefs)
g_settings_bind (priv->settings, "transition",
priv->transition, "active-id",
G_SETTINGS_BIND_DEFAULT);
g_signal_connect_swapped (priv->close, "clicked",
G_CALLBACK (gtk_widget_destroy), prefs);
}
static void
@ -65,7 +68,8 @@ example_app_prefs_class_init (ExampleAppPrefsClass *class)
"/org/gtk/exampleapp/prefs.ui");
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, font);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, transition);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, close);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), preferences_closed);
}
ExampleAppPrefs *

24
examples/application8/exampleappwin.c
View File

@ -29,9 +29,9 @@ struct _ExampleAppWindowPrivate
G_DEFINE_TYPE_WITH_PRIVATE(ExampleAppWindow, example_app_window, GTK_TYPE_APPLICATION_WINDOW);
static void
search_text_changed (GtkEntry *entry,
ExampleAppWindow *win)
search_text_changed (GtkEntry *entry)
{
ExampleAppWindow *win;
ExampleAppWindowPrivate *priv;
const gchar *text;
GtkWidget *tab;
@ -44,6 +44,7 @@ search_text_changed (GtkEntry *entry,
if (text[0] == '\0')
return;
win = EXAMPLE_APP_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (entry)));
priv = example_app_window_get_instance_private (win);
tab = gtk_stack_get_visible_child (GTK_STACK (priv->stack));
@ -135,15 +136,17 @@ done:
}
static void
visible_child_changed (GObject *stack,
GParamSpec *pspec,
ExampleAppWindow *win)
visible_child_changed (GObject *stack,
GParamSpec *pspec)
{
ExampleAppWindow *win;
ExampleAppWindowPrivate *priv;
if (gtk_widget_in_destruction (GTK_WIDGET (win)))
if (gtk_widget_in_destruction (GTK_WIDGET (stack)))
return;
win = EXAMPLE_APP_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (stack)));
priv = example_app_window_get_instance_private (win);
gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (priv->searchbar), FALSE);
update_words (win);
@ -181,10 +184,6 @@ example_app_window_init (ExampleAppWindow *win)
priv->searchbar, "search-mode-enabled",
G_BINDING_BIDIRECTIONAL);
g_signal_connect (priv->searchentry, "changed",
G_CALLBACK (search_text_changed), win);
g_signal_connect (priv->stack, "notify::visible-child",
G_CALLBACK (visible_child_changed), win);
g_signal_connect (priv->sidebar, "notify::reveal-child",
G_CALLBACK (words_changed), win);
@ -219,6 +218,7 @@ example_app_window_class_init (ExampleAppWindowClass *class)
gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
"/org/gtk/exampleapp/window.ui");
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, stack);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, search);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, searchbar);
@ -226,6 +226,10 @@ example_app_window_class_init (ExampleAppWindowClass *class)
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, gears);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, words);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, sidebar);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), search_text_changed);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), visible_child_changed);
}
ExampleAppWindow *

1
examples/application8/prefs.ui
View File

@ -69,6 +69,7 @@
<property name="visible">True</property>
<child>
<object class="GtkButton" id="close">
<signal name="clicked" handler="preferences_closed"/>
<property name="visible">True</property>
<property name="label">_Close</property>
<property name="use-underline">True</property>

2
examples/application8/window.ui
View File

@ -56,6 +56,7 @@
<property name="visible">True</property>
<child>
<object class="GtkSearchEntry" id="searchentry">
<signal name="changed" handler="search_text_changed"/>
<property name="visible">True</property>
</object>
</child>
@ -85,6 +86,7 @@
</child>
<child>
<object class="GtkStack" id="stack">
<signal name="notify::visible-child" handler="visible_child_changed"/>
<property name="visible">True</property>
</object>
</child>

12
examples/application9/exampleappprefs.c
View File

@ -21,11 +21,16 @@ struct _ExampleAppPrefsPrivate
GSettings *settings;
GtkWidget *font;
GtkWidget *transition;
GtkWidget *close;
};
G_DEFINE_TYPE_WITH_PRIVATE(ExampleAppPrefs, example_app_prefs, GTK_TYPE_DIALOG)
static void
preferences_closed (GtkWidget *button)
{
gtk_widget_destroy (gtk_widget_get_toplevel (button));
}
static void
example_app_prefs_init (ExampleAppPrefs *prefs)
{
@ -41,8 +46,6 @@ example_app_prefs_init (ExampleAppPrefs *prefs)
g_settings_bind (priv->settings, "transition",
priv->transition, "active-id",
G_SETTINGS_BIND_DEFAULT);
g_signal_connect_swapped (priv->close, "clicked",
G_CALLBACK (gtk_widget_destroy), prefs);
}
static void
@ -65,7 +68,8 @@ example_app_prefs_class_init (ExampleAppPrefsClass *class)
"/org/gtk/exampleapp/prefs.ui");
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, font);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, transition);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppPrefs, close);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), preferences_closed);
}
ExampleAppPrefs *

22
examples/application9/exampleappwin.c
View File

@ -31,9 +31,9 @@ struct _ExampleAppWindowPrivate
G_DEFINE_TYPE_WITH_PRIVATE(ExampleAppWindow, example_app_window, GTK_TYPE_APPLICATION_WINDOW);
static void
search_text_changed (GtkEntry *entry,
ExampleAppWindow *win)
search_text_changed (GtkEntry *entry)
{
ExampleAppWindow *win;
ExampleAppWindowPrivate *priv;
const gchar *text;
GtkWidget *tab;
@ -46,6 +46,7 @@ search_text_changed (GtkEntry *entry,
if (text[0] == '\0')
return;
win = EXAMPLE_APP_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (entry)));
priv = example_app_window_get_instance_private (win);
tab = gtk_stack_get_visible_child (GTK_STACK (priv->stack));
@ -172,15 +173,16 @@ update_lines (ExampleAppWindow *win)
}
static void
visible_child_changed (GObject *stack,
GParamSpec *pspec,
ExampleAppWindow *win)
visible_child_changed (GObject *stack,
GParamSpec *pspec)
{
ExampleAppWindow *win;
ExampleAppWindowPrivate *priv;
if (gtk_widget_in_destruction (GTK_WIDGET (win)))
if (gtk_widget_in_destruction (GTK_WIDGET (stack)))
return;
win = EXAMPLE_APP_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (stack)));
priv = example_app_window_get_instance_private (win);
gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (priv->searchbar), FALSE);
update_words (win);
@ -219,10 +221,6 @@ example_app_window_init (ExampleAppWindow *win)
priv->searchbar, "search-mode-enabled",
G_BINDING_BIDIRECTIONAL);
g_signal_connect (priv->searchentry, "changed",
G_CALLBACK (search_text_changed), win);
g_signal_connect (priv->stack, "notify::visible-child",
G_CALLBACK (visible_child_changed), win);
g_signal_connect (priv->sidebar, "notify::reveal-child",
G_CALLBACK (words_changed), win);
@ -265,6 +263,7 @@ example_app_window_class_init (ExampleAppWindowClass *class)
gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
"/org/gtk/exampleapp/window.ui");
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, stack);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, search);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, searchbar);
@ -274,6 +273,9 @@ example_app_window_class_init (ExampleAppWindowClass *class)
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, sidebar);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, lines);
gtk_widget_class_bind_template_child_private (GTK_WIDGET_CLASS (class), ExampleAppWindow, lines_label);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), search_text_changed);
gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), visible_child_changed);
}
ExampleAppWindow *

1
examples/application9/prefs.ui
View File

@ -69,6 +69,7 @@
<property name="visible">True</property>
<child>
<object class="GtkButton" id="close">
<signal name="clicked" handler="preferences_closed"/>
<property name="visible">True</property>
<property name="label">_Close</property>
<property name="use-underline">True</property>

2
examples/application9/window.ui
View File

@ -73,6 +73,7 @@
<property name="visible">True</property>
<child>
<object class="GtkSearchEntry" id="searchentry">
<signal name="changed" handler="search_text_changed"/>
<property name="visible">True</property>
</object>
</child>
@ -102,6 +103,7 @@
</child>
<child>
<object class="GtkStack" id="stack">
<signal name="notify::visible-child" handler="visible_child_changed"/>
<property name="visible">True</property>
</object>
</child>