forked from AuroraMiddleware/gtk
363 lines
11 KiB
C
363 lines
11 KiB
C
/*
|
|
* Copyright (c) 2013 Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <glib/gi18n-lib.h>
|
|
|
|
#include "css-editor.h"
|
|
|
|
#include "gtkcssprovider.h"
|
|
#include "gtkstyleprovider.h"
|
|
#include "gtkstylecontext.h"
|
|
#include "gtktextview.h"
|
|
#include "gtkmessagedialog.h"
|
|
#include "gtkfilechooserdialog.h"
|
|
#include "gtktogglebutton.h"
|
|
#include "gtklabel.h"
|
|
#include "gtktooltip.h"
|
|
#include "gtktextiter.h"
|
|
|
|
|
|
struct _GtkInspectorCssEditorPrivate
|
|
{
|
|
GtkWidget *view;
|
|
GtkTextBuffer *text;
|
|
GtkCssProvider *provider;
|
|
GtkToggleButton *disable_button;
|
|
guint timeout;
|
|
GList *errors;
|
|
};
|
|
|
|
typedef struct {
|
|
GError *error;
|
|
GtkTextIter start;
|
|
GtkTextIter end;
|
|
} CssError;
|
|
|
|
static void
|
|
css_error_free (gpointer data)
|
|
{
|
|
CssError *error = data;
|
|
g_error_free (error->error);
|
|
g_free (error);
|
|
}
|
|
|
|
static gboolean
|
|
query_tooltip_cb (GtkWidget *widget,
|
|
gint x,
|
|
gint y,
|
|
gboolean keyboard_tip,
|
|
GtkTooltip *tooltip,
|
|
GtkInspectorCssEditor *ce)
|
|
{
|
|
GtkTextIter iter;
|
|
GList *l;
|
|
|
|
if (keyboard_tip)
|
|
{
|
|
gint offset;
|
|
|
|
g_object_get (ce->priv->text, "cursor-position", &offset, NULL);
|
|
gtk_text_buffer_get_iter_at_offset (ce->priv->text, &iter, offset);
|
|
}
|
|
else
|
|
{
|
|
gint bx, by, trailing;
|
|
|
|
gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (ce->priv->view), GTK_TEXT_WINDOW_TEXT,
|
|
x, y, &bx, &by);
|
|
gtk_text_view_get_iter_at_position (GTK_TEXT_VIEW (ce->priv->view), &iter, &trailing, bx, by);
|
|
}
|
|
|
|
for (l = ce->priv->errors; l; l = l->next)
|
|
{
|
|
CssError *css_error = l->data;
|
|
|
|
if (gtk_text_iter_in_range (&iter, &css_error->start, &css_error->end))
|
|
{
|
|
gtk_tooltip_set_text (tooltip, css_error->error->message);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorCssEditor, gtk_inspector_css_editor, GTK_TYPE_BOX)
|
|
|
|
static void
|
|
set_initial_text (GtkInspectorCssEditor *ce)
|
|
{
|
|
const gchar *text = NULL;
|
|
|
|
if (text)
|
|
gtk_text_buffer_set_text (GTK_TEXT_BUFFER (ce->priv->text), text, -1);
|
|
else
|
|
{
|
|
gchar *initial_text;
|
|
initial_text = g_strconcat ("/*\n",
|
|
_("You can type here any CSS rule recognized by GTK+."), "\n",
|
|
_("You can temporarily disable this custom CSS by clicking on the “Pause” button above."), "\n\n",
|
|
_("Changes are applied instantly and globally, for the whole application."), "\n",
|
|
"*/\n\n", NULL);
|
|
gtk_text_buffer_set_text (GTK_TEXT_BUFFER (ce->priv->text), initial_text, -1);
|
|
g_free (initial_text);
|
|
}
|
|
}
|
|
|
|
static void
|
|
disable_toggled (GtkToggleButton *button,
|
|
GtkInspectorCssEditor *ce)
|
|
{
|
|
if (gtk_toggle_button_get_active (button))
|
|
gtk_style_context_remove_provider_for_screen (gdk_screen_get_default (),
|
|
GTK_STYLE_PROVIDER (ce->priv->provider));
|
|
else
|
|
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
|
|
GTK_STYLE_PROVIDER (ce->priv->provider),
|
|
GTK_STYLE_PROVIDER_PRIORITY_USER);
|
|
}
|
|
|
|
static gchar *
|
|
get_current_text (GtkTextBuffer *buffer)
|
|
{
|
|
GtkTextIter start, end;
|
|
|
|
gtk_text_buffer_get_start_iter (buffer, &start);
|
|
gtk_text_buffer_get_end_iter (buffer, &end);
|
|
gtk_text_buffer_remove_all_tags (buffer, &start, &end);
|
|
|
|
return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
|
|
}
|
|
|
|
static void
|
|
save_to_file (GtkInspectorCssEditor *ce,
|
|
const gchar *filename)
|
|
{
|
|
gchar *text;
|
|
GError *error = NULL;
|
|
|
|
text = get_current_text (ce->priv->text);
|
|
|
|
if (!g_file_set_contents (filename, text, -1, &error))
|
|
{
|
|
GtkWidget *dialog;
|
|
|
|
dialog = gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (ce))),
|
|
GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
|
|
GTK_MESSAGE_INFO,
|
|
GTK_BUTTONS_OK,
|
|
_("Saving CSS failed"));
|
|
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
|
|
"%s", error->message);
|
|
g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
|
|
gtk_widget_show (dialog);
|
|
g_error_free (error);
|
|
}
|
|
|
|
g_free (text);
|
|
}
|
|
|
|
static void
|
|
save_response (GtkWidget *dialog,
|
|
gint response,
|
|
GtkInspectorCssEditor *ce)
|
|
{
|
|
gtk_widget_hide (dialog);
|
|
|
|
if (response == GTK_RESPONSE_ACCEPT)
|
|
{
|
|
gchar *filename;
|
|
|
|
filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
|
|
save_to_file (ce, filename);
|
|
g_free (filename);
|
|
}
|
|
|
|
gtk_widget_destroy (dialog);
|
|
}
|
|
|
|
static void
|
|
save_clicked (GtkButton *button,
|
|
GtkInspectorCssEditor *ce)
|
|
{
|
|
GtkWidget *dialog;
|
|
|
|
dialog = gtk_file_chooser_dialog_new ("",
|
|
GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (ce))),
|
|
GTK_FILE_CHOOSER_ACTION_SAVE,
|
|
_("_Cancel"), GTK_RESPONSE_CANCEL,
|
|
_("_Save"), GTK_RESPONSE_ACCEPT,
|
|
NULL);
|
|
gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (dialog), "custom.css");
|
|
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
|
|
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
|
|
gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog), TRUE);
|
|
g_signal_connect (dialog, "response", G_CALLBACK (save_response), ce);
|
|
gtk_widget_show (dialog);
|
|
}
|
|
|
|
static void
|
|
update_style (GtkInspectorCssEditor *ce)
|
|
{
|
|
gchar *text;
|
|
|
|
g_list_free_full (ce->priv->errors, css_error_free);
|
|
ce->priv->errors = NULL;
|
|
|
|
text = get_current_text (ce->priv->text);
|
|
gtk_css_provider_load_from_data (ce->priv->provider, text, -1);
|
|
g_free (text);
|
|
}
|
|
|
|
static gboolean
|
|
update_timeout (gpointer data)
|
|
{
|
|
GtkInspectorCssEditor *ce = data;
|
|
|
|
ce->priv->timeout = 0;
|
|
|
|
update_style (ce);
|
|
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
static void
|
|
text_changed (GtkTextBuffer *buffer,
|
|
GtkInspectorCssEditor *ce)
|
|
{
|
|
if (ce->priv->timeout != 0)
|
|
g_source_remove (ce->priv->timeout);
|
|
|
|
ce->priv->timeout = g_timeout_add (100, update_timeout, ce);
|
|
|
|
g_list_free_full (ce->priv->errors, css_error_free);
|
|
ce->priv->errors = NULL;
|
|
}
|
|
|
|
static void
|
|
show_parsing_error (GtkCssProvider *provider,
|
|
GtkCssSection *section,
|
|
const GError *error,
|
|
GtkInspectorCssEditor *ce)
|
|
{
|
|
const char *tag_name;
|
|
GtkTextBuffer *buffer = GTK_TEXT_BUFFER (ce->priv->text);
|
|
CssError *css_error;
|
|
|
|
css_error = g_new (CssError, 1);
|
|
css_error->error = g_error_copy (error);
|
|
|
|
gtk_text_buffer_get_iter_at_line_index (buffer,
|
|
&css_error->start,
|
|
gtk_css_section_get_start_line (section),
|
|
gtk_css_section_get_start_position (section));
|
|
gtk_text_buffer_get_iter_at_line_index (buffer,
|
|
&css_error->end,
|
|
gtk_css_section_get_end_line (section),
|
|
gtk_css_section_get_end_position (section));
|
|
|
|
if (g_error_matches (error, GTK_CSS_PROVIDER_ERROR, GTK_CSS_PROVIDER_ERROR_DEPRECATED))
|
|
tag_name = "warning";
|
|
else
|
|
tag_name = "error";
|
|
|
|
if (gtk_text_iter_equal (&css_error->start, &css_error->end))
|
|
gtk_text_iter_forward_char (&css_error->end);
|
|
|
|
gtk_text_buffer_apply_tag_by_name (buffer, tag_name, &css_error->start, &css_error->end);
|
|
|
|
ce->priv->errors = g_list_prepend (ce->priv->errors, css_error);
|
|
}
|
|
|
|
static void
|
|
create_provider (GtkInspectorCssEditor *ce)
|
|
{
|
|
ce->priv->provider = gtk_css_provider_new ();
|
|
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
|
|
GTK_STYLE_PROVIDER (ce->priv->provider),
|
|
GTK_STYLE_PROVIDER_PRIORITY_USER);
|
|
|
|
g_signal_connect (ce->priv->provider, "parsing-error",
|
|
G_CALLBACK (show_parsing_error), ce);
|
|
}
|
|
|
|
static void
|
|
destroy_provider (GtkInspectorCssEditor *ce)
|
|
{
|
|
gtk_style_context_remove_provider_for_screen (gdk_screen_get_default (),
|
|
GTK_STYLE_PROVIDER (ce->priv->provider));
|
|
g_clear_object (&ce->priv->provider);
|
|
}
|
|
|
|
static void
|
|
gtk_inspector_css_editor_init (GtkInspectorCssEditor *ce)
|
|
{
|
|
ce->priv = gtk_inspector_css_editor_get_instance_private (ce);
|
|
gtk_widget_init_template (GTK_WIDGET (ce));
|
|
}
|
|
|
|
static void
|
|
constructed (GObject *object)
|
|
{
|
|
GtkInspectorCssEditor *ce = GTK_INSPECTOR_CSS_EDITOR (object);
|
|
|
|
create_provider (ce);
|
|
set_initial_text (ce);
|
|
}
|
|
|
|
static void
|
|
finalize (GObject *object)
|
|
{
|
|
GtkInspectorCssEditor *ce = GTK_INSPECTOR_CSS_EDITOR (object);
|
|
|
|
if (ce->priv->timeout != 0)
|
|
g_source_remove (ce->priv->timeout);
|
|
|
|
destroy_provider (ce);
|
|
|
|
g_list_free_full (ce->priv->errors, css_error_free);
|
|
|
|
G_OBJECT_CLASS (gtk_inspector_css_editor_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gtk_inspector_css_editor_class_init (GtkInspectorCssEditorClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
|
|
|
object_class->constructed = constructed;
|
|
object_class->finalize = finalize;
|
|
|
|
gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/inspector/css-editor.ui");
|
|
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssEditor, text);
|
|
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssEditor, view);
|
|
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssEditor, disable_button);
|
|
gtk_widget_class_bind_template_callback (widget_class, disable_toggled);
|
|
gtk_widget_class_bind_template_callback (widget_class, save_clicked);
|
|
gtk_widget_class_bind_template_callback (widget_class, text_changed);
|
|
gtk_widget_class_bind_template_callback (widget_class, query_tooltip_cb);
|
|
}
|
|
|
|
// vim: set et sw=2 ts=2:
|