summaryrefslogtreecommitdiffstats
path: root/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp')
-rw-r--r--src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp200
1 files changed, 95 insertions, 105 deletions
diff --git a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
index 16d5eb3ab4..08419ec7dc 100644
--- a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
+++ b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
@@ -1,41 +1,7 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
#include "qgtk3dialoghelpers.h"
#include "qgtk3theme.h"
@@ -45,24 +11,42 @@
#include <qcolor.h>
#include <qdebug.h>
#include <qfont.h>
+#include <qfileinfo.h>
#include <private/qguiapplication_p.h>
+#include <private/qgenericunixservices_p.h>
+#include <qpa/qplatformintegration.h>
#include <qpa/qplatformfontdatabase.h>
#undef signals
#include <gtk/gtk.h>
#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
#include <pango/pango.h>
+#if QT_CONFIG(xlib) && defined(GDK_WINDOWING_X11)
+#include <gdk/gdkx.h>
+#endif
+
+#ifdef GDK_WINDOWING_WAYLAND
+#include <gdk/gdkwayland.h>
+#endif
+
+// The size of the preview we display for selected image files. We set height
+// larger than width because generally there is more free space vertically
+// than horizontally (setting the preview image will always expand the width of
+// the dialog, but usually not the height). The image's aspect ratio will always
+// be preserved.
+#define PREVIEW_WIDTH 256
+#define PREVIEW_HEIGHT 512
+
QT_BEGIN_NAMESPACE
-class QGtk3Dialog : public QWindow
-{
- Q_OBJECT
+using namespace Qt::StringLiterals;
+class QGtk3Dialog
+{
public:
- QGtk3Dialog(GtkWidget *gtkWidget);
+ QGtk3Dialog(GtkWidget *gtkWidget, QPlatformDialogHelper *helper);
~QGtk3Dialog();
GtkDialog *gtkDialog() const;
@@ -71,23 +55,20 @@ public:
bool show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
void hide();
-Q_SIGNALS:
- void accept();
- void reject();
-
protected:
- static void onResponse(QGtk3Dialog *dialog, int response);
-
-private slots:
- void onParentWindowDestroyed();
+ static void onResponse(QPlatformDialogHelper *helper, int response);
private:
GtkWidget *gtkWidget;
+ QPlatformDialogHelper *helper;
+ Qt::WindowModality modality;
};
-QGtk3Dialog::QGtk3Dialog(GtkWidget *gtkWidget) : gtkWidget(gtkWidget)
+QGtk3Dialog::QGtk3Dialog(GtkWidget *gtkWidget, QPlatformDialogHelper *helper)
+ : gtkWidget(gtkWidget)
+ , helper(helper)
{
- g_signal_connect_swapped(G_OBJECT(gtkWidget), "response", G_CALLBACK(onResponse), this);
+ g_signal_connect_swapped(G_OBJECT(gtkWidget), "response", G_CALLBACK(onResponse), helper);
g_signal_connect(G_OBJECT(gtkWidget), "delete-event", G_CALLBACK(gtk_widget_hide_on_delete), NULL);
}
@@ -104,43 +85,52 @@ GtkDialog *QGtk3Dialog::gtkDialog() const
void QGtk3Dialog::exec()
{
- if (modality() == Qt::ApplicationModal) {
+ if (modality == Qt::ApplicationModal) {
// block input to the whole app, including other GTK dialogs
gtk_dialog_run(gtkDialog());
} else {
// block input to the window, allow input to other GTK dialogs
QEventLoop loop;
- connect(this, SIGNAL(accept()), &loop, SLOT(quit()));
- connect(this, SIGNAL(reject()), &loop, SLOT(quit()));
+ loop.connect(helper, SIGNAL(accept()), SLOT(quit()));
+ loop.connect(helper, SIGNAL(reject()), SLOT(quit()));
loop.exec();
}
}
bool QGtk3Dialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent)
{
- if (parent) {
- connect(parent, &QWindow::destroyed, this, &QGtk3Dialog::onParentWindowDestroyed,
- Qt::UniqueConnection);
- }
- setParent(parent);
- setFlags(flags);
- setModality(modality);
+ Q_UNUSED(flags);
+ this->modality = modality;
gtk_widget_realize(gtkWidget); // creates X window
GdkWindow *gdkWindow = gtk_widget_get_window(gtkWidget);
if (parent) {
- if (GDK_IS_X11_WINDOW(gdkWindow)) {
+ if (false) {
+#if defined(GDK_WINDOWING_WAYLAND) && GTK_CHECK_VERSION(3, 22, 0)
+ } else if (GDK_IS_WAYLAND_WINDOW(gdkWindow)) {
+ const auto unixServices = dynamic_cast<QGenericUnixServices *>(
+ QGuiApplicationPrivate::platformIntegration()->services());
+ if (unixServices) {
+ const auto handle = unixServices->portalWindowIdentifier(parent);
+ if (handle.startsWith("wayland:"_L1)) {
+ auto handleBa = handle.sliced(8).toUtf8();
+ gdk_wayland_window_set_transient_for_exported(gdkWindow, handleBa.data());
+ }
+ }
+#endif
+#if QT_CONFIG(xlib) && defined(GDK_WINDOWING_X11)
+ } else if (GDK_IS_X11_WINDOW(gdkWindow)) {
GdkDisplay *gdkDisplay = gdk_window_get_display(gdkWindow);
XSetTransientForHint(gdk_x11_display_get_xdisplay(gdkDisplay),
gdk_x11_window_get_xid(gdkWindow),
parent->winId());
+#endif
}
}
if (modality != Qt::NonModal) {
gdk_window_set_modal_hint(gdkWindow, true);
- QGuiApplicationPrivate::showModalWindow(this);
}
gtk_widget_show(gtkWidget);
@@ -150,30 +140,20 @@ bool QGtk3Dialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWind
void QGtk3Dialog::hide()
{
- QGuiApplicationPrivate::hideModalWindow(this);
gtk_widget_hide(gtkWidget);
}
-void QGtk3Dialog::onResponse(QGtk3Dialog *dialog, int response)
+void QGtk3Dialog::onResponse(QPlatformDialogHelper *helper, int response)
{
if (response == GTK_RESPONSE_OK)
- emit dialog->accept();
+ emit helper->accept();
else
- emit dialog->reject();
-}
-
-void QGtk3Dialog::onParentWindowDestroyed()
-{
- // The QGtk3*DialogHelper classes own this object. Make sure the parent doesn't delete it.
- setParent(nullptr);
+ emit helper->reject();
}
QGtk3ColorDialogHelper::QGtk3ColorDialogHelper()
{
- d.reset(new QGtk3Dialog(gtk_color_chooser_dialog_new("", nullptr)));
- connect(d.data(), SIGNAL(accept()), this, SLOT(onAccepted()));
- connect(d.data(), SIGNAL(reject()), this, SIGNAL(reject()));
-
+ d.reset(new QGtk3Dialog(gtk_color_chooser_dialog_new("", nullptr), this));
g_signal_connect_swapped(d->gtkDialog(), "notify::rgba", G_CALLBACK(onColorChanged), this);
}
@@ -218,11 +198,6 @@ QColor QGtk3ColorDialogHelper::currentColor() const
return QColor::fromRgbF(gdkColor.red, gdkColor.green, gdkColor.blue, gdkColor.alpha);
}
-void QGtk3ColorDialogHelper::onAccepted()
-{
- emit accept();
-}
-
void QGtk3ColorDialogHelper::onColorChanged(QGtk3ColorDialogHelper *dialog)
{
emit dialog->currentColorChanged(dialog->currentColor());
@@ -242,14 +217,15 @@ QGtk3FileDialogHelper::QGtk3FileDialogHelper()
GTK_FILE_CHOOSER_ACTION_OPEN,
qUtf8Printable(QGtk3Theme::defaultStandardButtonText(QPlatformDialogHelper::Cancel)), GTK_RESPONSE_CANCEL,
qUtf8Printable(QGtk3Theme::defaultStandardButtonText(QPlatformDialogHelper::Ok)), GTK_RESPONSE_OK,
- NULL)));
-
- connect(d.data(), SIGNAL(accept()), this, SLOT(onAccepted()));
- connect(d.data(), SIGNAL(reject()), this, SIGNAL(reject()));
+ NULL), this));
g_signal_connect(GTK_FILE_CHOOSER(d->gtkDialog()), "selection-changed", G_CALLBACK(onSelectionChanged), this);
g_signal_connect_swapped(GTK_FILE_CHOOSER(d->gtkDialog()), "current-folder-changed", G_CALLBACK(onCurrentFolderChanged), this);
g_signal_connect_swapped(GTK_FILE_CHOOSER(d->gtkDialog()), "notify::filter", G_CALLBACK(onFilterChanged), this);
+
+ previewWidget = gtk_image_new();
+ g_signal_connect(G_OBJECT(d->gtkDialog()), "update-preview", G_CALLBACK(onUpdatePreview), this);
+ gtk_file_chooser_set_preview_widget(GTK_FILE_CHOOSER(d->gtkDialog()), previewWidget);
}
QGtk3FileDialogHelper::~QGtk3FileDialogHelper()
@@ -364,11 +340,6 @@ QString QGtk3FileDialogHelper::selectedNameFilter() const
return _filterNames.value(gtkFilter);
}
-void QGtk3FileDialogHelper::onAccepted()
-{
- emit accept();
-}
-
void QGtk3FileDialogHelper::onSelectionChanged(GtkDialog *gtkDialog, QGtk3FileDialogHelper *helper)
{
QString selection;
@@ -390,6 +361,33 @@ void QGtk3FileDialogHelper::onFilterChanged(QGtk3FileDialogHelper *dialog)
emit dialog->filterSelected(dialog->selectedNameFilter());
}
+void QGtk3FileDialogHelper::onUpdatePreview(GtkDialog *gtkDialog, QGtk3FileDialogHelper *helper)
+{
+ gchar *filename = gtk_file_chooser_get_preview_filename(GTK_FILE_CHOOSER(gtkDialog));
+ if (!filename) {
+ gtk_file_chooser_set_preview_widget_active(GTK_FILE_CHOOSER(gtkDialog), false);
+ return;
+ }
+
+ // Don't attempt to open anything which isn't a regular file. If a named pipe,
+ // this may hang.
+ QFileInfo fileinfo(filename);
+ if (!fileinfo.exists() || !fileinfo.isFile()) {
+ g_free(filename);
+ gtk_file_chooser_set_preview_widget_active(GTK_FILE_CHOOSER(gtkDialog), false);
+ return;
+ }
+
+ // This will preserve the image's aspect ratio.
+ GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, PREVIEW_WIDTH, PREVIEW_HEIGHT, 0);
+ g_free(filename);
+ if (pixbuf) {
+ gtk_image_set_from_pixbuf(GTK_IMAGE(helper->previewWidget), pixbuf);
+ g_object_unref(pixbuf);
+ }
+ gtk_file_chooser_set_preview_widget_active(GTK_FILE_CHOOSER(gtkDialog), pixbuf ? true : false);
+}
+
static GtkFileChooserAction gtkFileChooserAction(const QSharedPointer<QFileDialogOptions> &options)
{
switch (options->fileMode()) {
@@ -481,10 +479,10 @@ void QGtk3FileDialogHelper::setNameFilters(const QStringList &filters)
foreach (const QString &filter, filters) {
GtkFileFilter *gtkFilter = gtk_file_filter_new();
- const QString name = filter.left(filter.indexOf(QLatin1Char('(')));
+ const QString name = filter.left(filter.indexOf(u'('));
const QStringList extensions = cleanFilterList(filter);
- gtk_file_filter_set_name(gtkFilter, qUtf8Printable(name.isEmpty() ? extensions.join(QLatin1String(", ")) : name));
+ gtk_file_filter_set_name(gtkFilter, qUtf8Printable(name.isEmpty() ? extensions.join(", "_L1) : name));
foreach (const QString &ext, extensions)
gtk_file_filter_add_pattern(gtkFilter, qUtf8Printable(ext));
@@ -497,10 +495,7 @@ void QGtk3FileDialogHelper::setNameFilters(const QStringList &filters)
QGtk3FontDialogHelper::QGtk3FontDialogHelper()
{
- d.reset(new QGtk3Dialog(gtk_font_chooser_dialog_new("", nullptr)));
- connect(d.data(), SIGNAL(accept()), this, SLOT(onAccepted()));
- connect(d.data(), SIGNAL(reject()), this, SIGNAL(reject()));
-
+ d.reset(new QGtk3Dialog(gtk_font_chooser_dialog_new("", nullptr), this));
g_signal_connect_swapped(d->gtkDialog(), "notify::font", G_CALLBACK(onFontChanged), this);
}
@@ -604,11 +599,6 @@ QFont QGtk3FontDialogHelper::currentFont() const
return font;
}
-void QGtk3FontDialogHelper::onAccepted()
-{
- emit accept();
-}
-
void QGtk3FontDialogHelper::onFontChanged(QGtk3FontDialogHelper *dialog)
{
emit dialog->currentFontChanged(dialog->currentFont());
@@ -624,4 +614,4 @@ void QGtk3FontDialogHelper::applyOptions()
QT_END_NAMESPACE
-#include "qgtk3dialoghelpers.moc"
+#include "moc_qgtk3dialoghelpers.cpp"