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Merge pull request #512 from Rafostar/video-placeholder
clapper-gtk: Add video placeholder widget
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src/lib/clapper-gtk/clapper-gtk-video-placeholder-private.h
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| /* Clapper GTK Integration Library | ||
| * Copyright (C) 2024 Rafał Dzięgiel <[email protected]> | ||
| * | ||
| * This library is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU Lesser General Public | ||
| * License as published by the Free Software Foundation; either | ||
| * version 2.1 of the License, or (at your option) any later version. | ||
| * | ||
| * This library is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public | ||
| * License along with this library; if not, write to the | ||
| * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, | ||
| * Boston, MA 02110-1301, USA. | ||
| */ | ||
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| #pragma once | ||
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| #include <glib.h> | ||
| #include <glib-object.h> | ||
| #include <gtk/gtk.h> | ||
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| #include "clapper-gtk-container.h" | ||
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| G_BEGIN_DECLS | ||
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| #define CLAPPER_GTK_TYPE_VIDEO_PLACEHOLDER (clapper_gtk_video_placeholder_get_type()) | ||
| #define CLAPPER_GTK_VIDEO_PLACEHOLDER_CAST(obj) ((ClapperGtkVideoPlaceholder *)(obj)) | ||
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| G_DECLARE_FINAL_TYPE (ClapperGtkVideoPlaceholder, clapper_gtk_video_placeholder, CLAPPER_GTK, VIDEO_PLACEHOLDER, ClapperGtkContainer) | ||
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| G_GNUC_INTERNAL | ||
| GtkWidget * clapper_gtk_video_placeholder_new (void); | ||
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| G_END_DECLS |
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| /* Clapper GTK Integration Library | ||
| * Copyright (C) 2024 Rafał Dzięgiel <[email protected]> | ||
| * | ||
| * This library is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU Lesser General Public | ||
| * License as published by the Free Software Foundation; either | ||
| * version 2.1 of the License, or (at your option) any later version. | ||
| * | ||
| * This library is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public | ||
| * License along with this library; if not, write to the | ||
| * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, | ||
| * Boston, MA 02110-1301, USA. | ||
| */ | ||
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| #include "config.h" | ||
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| #include <glib/gi18n-lib.h> | ||
| #include <gst/gst.h> | ||
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| #include "clapper-gtk-video-placeholder-private.h" | ||
| #include "clapper-gtk-utils-private.h" | ||
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| #define NORMAL_SPACING 16 | ||
| #define ADAPT_SPACING 8 | ||
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| #define GST_CAT_DEFAULT clapper_gtk_video_placeholder_debug | ||
| GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); | ||
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| struct _ClapperGtkVideoPlaceholder | ||
| { | ||
| ClapperGtkContainer parent; | ||
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| GtkWidget *box; | ||
| GtkWidget *title_label; | ||
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| ClapperPlayer *player; | ||
| }; | ||
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| #define parent_class clapper_gtk_video_placeholder_parent_class | ||
| G_DEFINE_TYPE (ClapperGtkVideoPlaceholder, clapper_gtk_video_placeholder, CLAPPER_GTK_TYPE_CONTAINER) | ||
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| static void | ||
| adapt_cb (ClapperGtkContainer *container, gboolean adapt, | ||
| ClapperGtkVideoPlaceholder *self) | ||
| { | ||
| GST_DEBUG_OBJECT (self, "Adapted: %s", (adapt) ? "yes" : "no"); | ||
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| gtk_box_set_spacing (GTK_BOX (self->box), (adapt) ? ADAPT_SPACING : NORMAL_SPACING); | ||
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| if (adapt) { | ||
| gtk_widget_add_css_class (GTK_WIDGET (self), "adapted"); | ||
| gtk_widget_add_css_class (GTK_WIDGET (self->title_label), "title-2"); | ||
| } else { | ||
| gtk_widget_remove_css_class (GTK_WIDGET (self), "adapted"); | ||
| gtk_widget_remove_css_class (GTK_WIDGET (self->title_label), "title-2"); | ||
| } | ||
| } | ||
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| static void | ||
| _player_state_changed_cb (ClapperPlayer *player, | ||
| GParamSpec *pspec G_GNUC_UNUSED, ClapperGtkVideoPlaceholder *self) | ||
| { | ||
| gtk_widget_set_visible (self->box, | ||
| clapper_player_get_state (player) > CLAPPER_PLAYER_STATE_STOPPED); | ||
| } | ||
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| GtkWidget * | ||
| clapper_gtk_video_placeholder_new (void) | ||
| { | ||
| return g_object_new (CLAPPER_GTK_TYPE_VIDEO_PLACEHOLDER, NULL); | ||
| } | ||
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| static void | ||
| clapper_gtk_video_placeholder_map (GtkWidget *widget) | ||
| { | ||
| ClapperGtkVideoPlaceholder *self = CLAPPER_GTK_VIDEO_PLACEHOLDER_CAST (widget); | ||
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| if ((self->player = clapper_gtk_get_player_from_ancestor (widget))) { | ||
| g_signal_connect (self->player, "notify::state", | ||
| G_CALLBACK (_player_state_changed_cb), self); | ||
| _player_state_changed_cb (self->player, NULL, self); | ||
| } | ||
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| GTK_WIDGET_CLASS (parent_class)->map (widget); | ||
| } | ||
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| static void | ||
| clapper_gtk_video_placeholder_unmap (GtkWidget *widget) | ||
| { | ||
| ClapperGtkVideoPlaceholder *self = CLAPPER_GTK_VIDEO_PLACEHOLDER_CAST (widget); | ||
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| if (self->player) { | ||
| g_signal_handlers_disconnect_by_func (self->player, _player_state_changed_cb, self); | ||
| self->player = NULL; | ||
| } | ||
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| GTK_WIDGET_CLASS (parent_class)->unmap (widget); | ||
| } | ||
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| static void | ||
| clapper_gtk_video_placeholder_init (ClapperGtkVideoPlaceholder *self) | ||
| { | ||
| gtk_widget_init_template (GTK_WIDGET (self)); | ||
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| gtk_box_set_spacing (GTK_BOX (self->box), NORMAL_SPACING); | ||
| } | ||
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| static void | ||
| clapper_gtk_video_placeholder_dispose (GObject *object) | ||
| { | ||
| gtk_widget_dispose_template (GTK_WIDGET (object), CLAPPER_GTK_TYPE_VIDEO_PLACEHOLDER); | ||
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| G_OBJECT_CLASS (parent_class)->dispose (object); | ||
| } | ||
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| static void | ||
| clapper_gtk_video_placeholder_class_init (ClapperGtkVideoPlaceholderClass *klass) | ||
| { | ||
| GObjectClass *gobject_class = (GObjectClass *) klass; | ||
| GtkWidgetClass *widget_class = (GtkWidgetClass *) klass; | ||
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| GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "clappergtkvideoplaceholder", 0, | ||
| "Clapper GTK Video Placeholder"); | ||
| clapper_gtk_init_translations (); | ||
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| gobject_class->dispose = clapper_gtk_video_placeholder_dispose; | ||
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| widget_class->map = clapper_gtk_video_placeholder_map; | ||
| widget_class->unmap = clapper_gtk_video_placeholder_unmap; | ||
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| gtk_widget_class_set_template_from_resource (widget_class, | ||
| CLAPPER_GTK_RESOURCE_PREFIX "/ui/clapper-gtk-video-placeholder.ui"); | ||
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| gtk_widget_class_bind_template_child (widget_class, ClapperGtkVideoPlaceholder, box); | ||
| gtk_widget_class_bind_template_child (widget_class, ClapperGtkVideoPlaceholder, title_label); | ||
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| gtk_widget_class_bind_template_callback (widget_class, adapt_cb); | ||
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| gtk_widget_class_set_css_name (widget_class, "clapper-gtk-video-placeholder"); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,46 @@ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <interface domain="clapper-gtk"> | ||
| <template class="ClapperGtkVideoPlaceholder" parent="ClapperGtkContainer"> | ||
| <property name="adaptive-width">560</property> | ||
| <property name="adaptive-height">400</property> | ||
| <signal name="adapt" handler="adapt_cb"/> | ||
| <child> | ||
| <object class="GtkBox" id="box"> | ||
| <property name="orientation">vertical</property> | ||
| <property name="halign">center</property> | ||
| <property name="valign">center</property> | ||
| <child> | ||
| <object class="GtkImage"> | ||
| <property name="halign">center</property> | ||
| <property name="valign">center</property> | ||
| <property name="icon-name">video-display-symbolic</property> | ||
| </object> | ||
| </child> | ||
| <child> | ||
| <object class="GtkLabel" id="title_label"> | ||
| <property name="halign">center</property> | ||
| <property name="valign">center</property> | ||
| <property name="justify">center</property> | ||
| <property name="wrap">true</property> | ||
| <property name="label" translatable="yes">External video output</property> | ||
| <style> | ||
| <class name="title-1"/> | ||
| </style> | ||
| </object> | ||
| </child> | ||
| <child> | ||
| <object class="GtkLabel"> | ||
| <property name="halign">center</property> | ||
| <property name="valign">center</property> | ||
| <property name="justify">center</property> | ||
| <property name="wrap">true</property> | ||
| <property name="label" translatable="yes">Used video sink cannot be embedded within application window</property> | ||
| <style> | ||
| <class name="body"/> | ||
| </style> | ||
| </object> | ||
| </child> | ||
| </object> | ||
| </child> | ||
| </template> | ||
| </interface> |