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gtkaboutdialog: Directly specialize GtkWindow

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As it doesn't act as a dialog, there is no point specializing GtkDialog,
so his makes it specialize GtkWindow directly.
This commit is contained in:
Adrien Plazas 2020-10-05 17:20:27 +02:00
parent aaab461c27
commit a17f33b1fe
4 changed files with 26 additions and 107 deletions
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5
docs/reference/gtk/migrating-3to4.md
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@ -1069,6 +1069,11 @@ getter function to retrieve the buildable ID. If you are
using gtk_buildable_get_name() you should replace it with
gtk_buildable_get_buildable_id().
### Adapt to GtkAboutDialog API changes
GtkAboutDialog now directly derives from GtkWindow, the GtkDialog API can no
longer be used on it.
## Changes to consider after the switch
GTK 4 has a number of new features that you may want to take

120
gtk/gtkaboutdialog.c
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@ -34,13 +34,11 @@
#include "gtkaboutdialog.h"
#include "gtkbutton.h"
#include "gtkdialog.h"
#include "gtkgrid.h"
#include "gtkbox.h"
#include "gtkicontheme.h"
#include "gtkimage.h"
#include "gtklabel.h"
#include "gtklinkbutton.h"
#include "gtkmarshalers.h"
#include "gtkstack.h"
#include "gtkorientable.h"
@ -48,7 +46,6 @@
#include "gtktextview.h"
#include "gtkshow.h"
#include "gtkmain.h"
#include "gtkmessagedialog.h"
#include "gtktogglebutton.h"
#include "gtktypebuiltins.h"
#include "gtkstack.h"
@ -57,7 +54,6 @@
#include "gtkheaderbar.h"
#include "gtkprivate.h"
#include "gtkintl.h"
#include "gtkdialogprivate.h"
#include "gtkeventcontrollermotion.h"
#include "gtkeventcontrollerkey.h"
#include "gtkgestureclick.h"
@ -105,11 +101,6 @@
* "title", _("About ExampleCode"),
* NULL);
* ]|
*
* It is also possible to show a #GtkAboutDialog like any other #GtkDialog,
* and use the #GtkDialog::response signal to catch user responses. In this
* case, you might need to know that the “Close” button returns the
* %GTK_RESPONSE_CANCEL response id.
*/
typedef struct
@ -153,7 +144,7 @@ typedef struct _GtkAboutDialogClass GtkAboutDialogClass;
struct _GtkAboutDialog
{
GtkDialog parent_instance;
GtkWindow parent_instance;
char *name;
char *version;
@ -177,9 +168,6 @@ struct _GtkAboutDialog
GtkWidget *stack;
GtkWidget *stack_switcher;
GtkWidget *credits_button;
GtkWidget *license_button;
GtkWidget *system_button;
GtkWidget *logo_image;
GtkWidget *name_label;
@ -204,12 +192,11 @@ struct _GtkAboutDialog
guint hovering_over_link : 1;
guint wrap_license : 1;
guint in_child_changed : 1;
guint in_switch_page : 1;
};
struct _GtkAboutDialogClass
{
GtkDialogClass parent_class;
GtkWindowClass parent_class;
gboolean (*activate_link) (GtkAboutDialog *dialog,
const char *uri);
@ -275,10 +262,6 @@ static void text_view_motion (GtkEventControllerM
double x,
double y,
GtkAboutDialog *about);
static void toggle_credits (GtkToggleButton *button,
gpointer user_data);
static void toggle_license (GtkToggleButton *button,
gpointer user_data);
enum {
ACTIVATE_LINK,
@ -288,7 +271,7 @@ enum {
static guint signals[LAST_SIGNAL] = { 0 };
static GParamSpec *props[LAST_PROP] = { NULL, };
G_DEFINE_TYPE (GtkAboutDialog, gtk_about_dialog, GTK_TYPE_DIALOG)
G_DEFINE_TYPE (GtkAboutDialog, gtk_about_dialog, GTK_TYPE_WINDOW)
static gboolean
stack_visible_child_notify (GtkStack *stack,
@ -603,6 +586,12 @@ gtk_about_dialog_class_init (GtkAboutDialogClass *klass)
g_object_class_install_properties (object_class, LAST_PROP, props);
/*
* Key bindings
*/
gtk_widget_class_add_binding_action (widget_class, GDK_KEY_Escape, 0, "window.close", NULL);
/* Bind class to template
*/
gtk_widget_class_set_template_from_resource (widget_class,
@ -705,46 +694,6 @@ update_credits_button_visibility (GtkAboutDialog *about)
update_stack_switcher_visibility (about);
}
static void
switch_page (GtkAboutDialog *about,
const char *name)
{
gtk_stack_set_visible_child_name (GTK_STACK (about->stack), name);
about->in_switch_page = TRUE;
if (about->credits_button)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (about->credits_button),
g_str_equal (name, "credits"));
if (about->license_button)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (about->license_button),
g_str_equal (name, "license"));
about->in_switch_page = FALSE;
}
static void
apply_use_header_bar (GtkAboutDialog *about)
{
gboolean use_header_bar;
g_object_get (about, "use-header-bar", &use_header_bar, NULL);
if (!use_header_bar)
{
about->credits_button = gtk_toggle_button_new_with_mnemonic (_("C_redits"));
g_object_bind_property (about->credits_page, "visible",
about->credits_button, "visible", G_BINDING_SYNC_CREATE);
g_signal_connect (about->credits_button, "toggled", G_CALLBACK (toggle_credits), about);
gtk_dialog_add_action_widget (GTK_DIALOG (about), about->credits_button, GTK_RESPONSE_NONE);
about->license_button = gtk_toggle_button_new_with_mnemonic (_("_License"));
g_object_bind_property (about->license_page, "visible",
about->license_button, "visible", G_BINDING_SYNC_CREATE);
g_signal_connect (about->license_button, "toggled", G_CALLBACK (toggle_license), about);
gtk_dialog_add_button (GTK_DIALOG (about), _("_Close"), GTK_RESPONSE_DELETE_EVENT);
}
}
static void
gtk_about_dialog_init (GtkAboutDialog *about)
{
@ -768,14 +717,9 @@ gtk_about_dialog_init (GtkAboutDialog *about)
about->visited_links = g_ptr_array_new_with_free_func (g_free);
gtk_dialog_set_default_response (GTK_DIALOG (about), GTK_RESPONSE_CANCEL);
gtk_widget_init_template (GTK_WIDGET (about));
gtk_dialog_set_use_header_bar_from_setting (GTK_DIALOG (about));
apply_use_header_bar (about);
switch_page (about, "main");
gtk_stack_set_visible_child_name (GTK_STACK (about->stack), "main");
update_stack_switcher_visibility (about);
/* force defaults */
@ -951,34 +895,6 @@ gtk_about_dialog_get_property (GObject *object,
}
}
static void
toggle_credits (GtkToggleButton *button,
gpointer user_data)
{
GtkAboutDialog *about = user_data;
gboolean show_credits;
if (about->in_switch_page)
return;
show_credits = gtk_toggle_button_get_active (button);
switch_page (about, show_credits ? "credits" : "main");
}
static void
toggle_license (GtkToggleButton *button,
gpointer user_data)
{
GtkAboutDialog *about = user_data;
gboolean show_license;
if (about->in_switch_page)
return;
show_license = gtk_toggle_button_get_active (button);
switch_page (about, show_license ? "license" : "main");
}
static gboolean
gtk_about_dialog_activate_link (GtkAboutDialog *about,
const char *uri)
@ -2255,17 +2171,15 @@ gtk_about_dialog_new (void)
return g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL);
}
static void
static gboolean
close_cb (GtkAboutDialog *about,
int response_id,
gpointer user_data)
{
if (response_id == GTK_RESPONSE_DELETE_EVENT)
{
switch_page (about, "main");
gtk_stack_set_visible_child_name (GTK_STACK (about->stack), "main");
gtk_widget_hide (GTK_WIDGET (about));
}
gtk_widget_hide (GTK_WIDGET (about));
return TRUE;
}
/**
@ -2299,8 +2213,8 @@ gtk_show_about_dialog (GtkWindow *parent,
g_object_ref_sink (dialog);
/* Close dialog on user response */
g_signal_connect (dialog, "response",
/* Hide the dialog on close request */
g_signal_connect (dialog, "close-request",
G_CALLBACK (close_cb), NULL);
va_start (var_args, first_property_name);

2
gtk/gtkaboutdialog.h
View File

@ -27,7 +27,7 @@
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtkdialog.h>
#include <gtk/gtkwindow.h>
G_BEGIN_DECLS

6
gtk/ui/gtkaboutdialog.ui
View File

@ -1,8 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface domain="gtk40">
<template class="GtkAboutDialog" parent="GtkDialog">
<template class="GtkAboutDialog" parent="GtkWindow">
<property name="resizable">0</property>
<child internal-child="headerbar">
<child type="titlebar">
<object class="GtkHeaderBar" id="headerbar1">
<child type="title">
<object class="GtkStackSwitcher" id="stack_switcher">
@ -12,7 +12,7 @@
</child>
</object>
</child>
<child internal-child="content_area">
<child>
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="spacing">2</property>