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print-editor: Port to async dialog API

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This commit is contained in:
Matthias Clasen 2022-10-28 22:42:32 -04:00
parent e7de4c1f99
commit 4248380538
1 changed files with 78 additions and 101 deletions
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171
demos/print-editor/print-editor.c
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@ -96,12 +96,10 @@ set_text (const char *text,
static void
load_file (GFile *open_filename)
{
GtkWidget *error_dialog;
char *contents;
GError *error;
gsize len;
error_dialog = NULL;
error = NULL;
g_file_load_contents (open_filename, NULL, &contents, &len, NULL, &error);
if (error == NULL)
@ -117,13 +115,12 @@ load_file (GFile *open_filename)
{
GFileInfo *info = g_file_query_info (open_filename, "standard::display-name", 0, NULL, &error);
const char *display_name = g_file_info_get_display_name (info);
error_dialog = gtk_message_dialog_new (GTK_WINDOW (main_window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Error loading file %s:\n%s",
display_name,
"Not valid utf8");
GtkAlertDialog *alert;
alert = gtk_alert_dialog_new ("Error loading file %s", display_name);
gtk_alert_dialog_set_detail (alert, "Not valid utf8");
gtk_alert_dialog_show (alert, GTK_WINDOW (main_window));
g_object_unref (alert);
g_object_unref (info);
}
}
@ -131,22 +128,15 @@ load_file (GFile *open_filename)
{
GFileInfo *info = g_file_query_info (open_filename, "standard::display-name", 0, NULL, &error);
const char *display_name = g_file_info_get_display_name (info);
error_dialog = gtk_message_dialog_new (GTK_WINDOW (main_window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Error loading file %s:\n%s",
display_name,
error->message);
GtkAlertDialog *alert;
alert = gtk_alert_dialog_new ("Error loading file %s", display_name);
gtk_alert_dialog_set_detail (alert, error->message);
gtk_alert_dialog_show (alert, GTK_WINDOW (main_window));
g_object_unref (alert);
g_object_unref (info);
g_error_free (error);
}
if (error_dialog)
{
g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_window_destroy), NULL);
gtk_widget_show (error_dialog);
}
}
@ -154,7 +144,6 @@ static void
save_file (GFile *save_filename)
{
char *text = get_text ();
GtkWidget *error_dialog;
GError *error;
error = NULL;
@ -180,18 +169,12 @@ save_file (GFile *save_filename)
{
GFileInfo *info = g_file_query_info (save_filename, "standard::display-name", 0, NULL, NULL);
const char *display_name = g_file_info_get_display_name (info);
GtkAlertDialog *alert;
error_dialog = gtk_message_dialog_new (GTK_WINDOW (main_window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Error saving to file %s:\n%s",
display_name,
error->message);
g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_window_destroy), NULL);
gtk_widget_show (error_dialog);
alert = gtk_alert_dialog_new ("Error saving to file %s", display_name);
gtk_alert_dialog_set_detail (alert, error->message);
gtk_alert_dialog_show (alert, GTK_WINDOW (main_window));
g_object_unref (alert);
g_error_free (error);
g_object_unref (info);
}
@ -340,21 +323,24 @@ create_custom_widget (GtkPrintOperation *operation,
PrintData *data)
{
GtkWidget *vbox, *hbox, *font, *label;
GtkFontDialog *dialog;
PangoFontDescription *desc;
gtk_print_operation_set_custom_tab_label (operation, "Other");
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
gtk_box_append (GTK_BOX (vbox), hbox);
gtk_widget_show (hbox);
label = gtk_label_new ("Font:");
gtk_box_append (GTK_BOX (hbox), label);
gtk_widget_show (label);
font = gtk_font_button_new_with_font (data->font);
dialog = gtk_font_dialog_new ();
font = gtk_font_dialog_button_new (dialog);
desc = pango_font_description_from_string (data->font);
gtk_font_dialog_button_set_font_desc (GTK_FONT_DIALOG_BUTTON (font), desc);
pango_font_description_free (desc);
gtk_box_append (GTK_BOX (hbox), font);
gtk_widget_show (font);
data->font_button = font;
return vbox;
@ -365,11 +351,12 @@ custom_widget_apply (GtkPrintOperation *operation,
GtkWidget *widget,
PrintData *data)
{
const char *selected_font;
selected_font = gtk_font_chooser_get_font (GTK_FONT_CHOOSER (data->font_button));
PangoFontDescription *desc;
desc = gtk_font_dialog_button_get_font_desc (GTK_FONT_DIALOG_BUTTON (data->font_button));
g_free (data->font);
data->font = g_strdup (selected_font);
data->font = pango_font_description_to_string (desc);
}
static void
@ -377,23 +364,18 @@ print_done (GtkPrintOperation *op,
GtkPrintOperationResult res,
PrintData *print_data)
{
GError *error = NULL;
if (res == GTK_PRINT_OPERATION_RESULT_ERROR)
{
GtkWidget *error_dialog;
GtkAlertDialog *alert;
GError *error = NULL;
gtk_print_operation_get_error (op, &error);
error_dialog = gtk_message_dialog_new (GTK_WINDOW (main_window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Error printing file:\n%s",
error ? error->message : "no details");
g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_window_destroy), NULL);
gtk_widget_show (error_dialog);
alert = gtk_alert_dialog_new ("Error printing file");
if (error)
gtk_alert_dialog_set_detail (alert, error->message);
gtk_alert_dialog_show (alert, GTK_WINDOW (main_window));
g_object_unref (alert);
}
else if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
{
@ -499,17 +481,19 @@ activate_preview (GSimpleAction *action,
}
static void
on_save_response (GtkWidget *dialog,
int response)
on_save_response (GObject *source,
GAsyncResult *result,
void *user_data)
{
if (response == GTK_RESPONSE_OK)
{
GFile *save_filename = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
save_file (save_filename);
g_object_unref (save_filename);
}
GtkFileDialog *dialog = GTK_FILE_DIALOG (source);
GFile *file;
gtk_window_destroy (GTK_WINDOW (dialog));
file = gtk_file_dialog_save_finish (dialog, result, NULL);
if (file)
{
save_file (file);
g_object_unref (file);
}
}
static void
@ -517,21 +501,17 @@ activate_save_as (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWidget *dialog;
GtkFileDialog *dialog;
dialog = gtk_file_chooser_dialog_new ("Select file",
dialog = gtk_file_dialog_new ();
gtk_file_dialog_set_title (dialog, "Select file");
gtk_file_dialog_save (dialog,
GTK_WINDOW (main_window),
GTK_FILE_CHOOSER_ACTION_SAVE,
"_Cancel", GTK_RESPONSE_CANCEL,
"_Save", GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_widget_show (dialog);
g_signal_connect (dialog, "response",
G_CALLBACK (on_save_response),
NULL);
NULL,
NULL,
NULL,
on_save_response, NULL);
g_object_unref (dialog);
}
static void
@ -546,17 +526,19 @@ activate_save (GSimpleAction *action,
}
static void
on_open_response (GtkWidget *dialog,
int response)
on_open_response (GObject *source,
GAsyncResult *result,
void *user_data)
{
if (response == GTK_RESPONSE_OK)
{
GFile *open_filename = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
load_file (open_filename);
g_object_unref (open_filename);
}
GtkFileDialog *dialog = GTK_FILE_DIALOG (source);
GFile *file;
gtk_window_destroy (GTK_WINDOW (dialog));
file = gtk_file_dialog_open_finish (dialog, result, NULL);
if (file)
{
load_file (file);
g_object_unref (file);
}
}
static void
@ -564,21 +546,16 @@ activate_open (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWidget *dialog;
GtkFileDialog *dialog;
dialog = gtk_file_chooser_dialog_new ("Select file",
dialog = gtk_file_dialog_new ();
gtk_file_dialog_set_title (dialog, "Select file");
gtk_file_dialog_open (dialog,
GTK_WINDOW (main_window),
GTK_FILE_CHOOSER_ACTION_OPEN,
"_Cancel", GTK_RESPONSE_CANCEL,
"_Open", GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_widget_show (dialog);
g_signal_connect (dialog, "response",
G_CALLBACK (on_open_response),
NULL);
NULL,
NULL,
on_open_response, NULL);
g_object_unref (dialog);
}
static void