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Add a playback toggle button

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This commit is contained in:
Přemysl Eric Janouch
2021-12-19 05:33:57 +01:00
parent e23ed245db
commit 6e903f6f5c
3 changed files with 45 additions and 7 deletions
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36
fastiv.c
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@@ -70,12 +70,11 @@ exit_fatal(const gchar *format, ...)
XX(S2, make_separator()) \
XX(SKIP_BACK, B("media-skip-backward-symbolic", "Rewind playback")) \
XX(SEEK_BACK, B("media-seek-backward-symbolic", "Previous frame")) \
/* TODO(p): The opposite is "media-playback-play-symbolic". */ \
/* XX(PAUSE, B("media-playback-pause-symbolic", "Pause")) */ \
XX(PLAY_PAUSE, B("media-playback-start-symbolic", "Pause")) \
XX(SEEK_FORWARD, B("media-seek-forward-symbolic", "Next frame")) \
XX(S3, make_separator()) \
XX(PLUS, B("zoom-in-symbolic", "Zoom in")) \
XX(SCALE, gtk_label_new("100%")) \
XX(SCALE, gtk_label_new("")) \
XX(MINUS, B("zoom-out-symbolic", "Zoom out")) \
XX(ONE, B("zoom-original-symbolic", "Original size")) \
XX(FIT, T("zoom-fit-best-symbolic", "Scale to fit")) \
@@ -457,8 +456,10 @@ on_window_state_event(G_GNUC_UNUSED GtkWidget *widget,
const char *name = (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN)
? "view-restore-symbolic"
: "view-fullscreen-symbolic";
gtk_button_set_image(GTK_BUTTON(g.toolbar[TOOLBAR_FULLSCREEN]),
gtk_image_new_from_icon_name(name, GTK_ICON_SIZE_BUTTON));
GtkButton *button = GTK_BUTTON(g.toolbar[TOOLBAR_FULLSCREEN]);
GtkImage *image = GTK_IMAGE(gtk_button_get_image(button));
gtk_image_set_from_icon_name(image, name, GTK_ICON_SIZE_BUTTON);
}
// Cursor keys, e.g., simply cannot be bound through accelerators
@@ -649,6 +650,21 @@ on_notify_view_scale(
// FIXME: The label doesn't immediately assume its new width.
}
static void
on_notify_view_playing(
GObject *object, GParamSpec *param_spec, G_GNUC_UNUSED gpointer user_data)
{
gboolean b = FALSE;
g_object_get(object, g_param_spec_get_name(param_spec), &b, NULL);
const char *name = b
? "media-playback-pause-symbolic"
: "media-playback-start-symbolic";
GtkButton *button = GTK_BUTTON(g.toolbar[TOOLBAR_PLAY_PAUSE]);
GtkImage *image = GTK_IMAGE(gtk_button_get_image(button));
gtk_image_set_from_icon_name(image, name, GTK_ICON_SIZE_BUTTON);
}
static void
on_notify_view_boolean(
GObject *object, GParamSpec *param_spec, gpointer user_data)
@@ -728,6 +744,7 @@ make_view_toolbar(void)
toolbar_command(TOOLBAR_PAGE_LAST, FIV_VIEW_COMMAND_PAGE_LAST);
toolbar_command(TOOLBAR_SKIP_BACK, FIV_VIEW_COMMAND_FRAME_FIRST);
toolbar_command(TOOLBAR_SEEK_BACK, FIV_VIEW_COMMAND_FRAME_PREVIOUS);
toolbar_command(TOOLBAR_PLAY_PAUSE, FIV_VIEW_COMMAND_TOGGLE_PLAYBACK);
toolbar_command(TOOLBAR_SEEK_FORWARD, FIV_VIEW_COMMAND_FRAME_NEXT);
toolbar_command(TOOLBAR_PLUS, FIV_VIEW_COMMAND_ZOOM_IN);
toolbar_command(TOOLBAR_MINUS, FIV_VIEW_COMMAND_ZOOM_OUT);
@@ -741,10 +758,17 @@ make_view_toolbar(void)
toolbar_command(TOOLBAR_RIGHT, FIV_VIEW_COMMAND_ROTATE_RIGHT);
toolbar_connect(TOOLBAR_FULLSCREEN, G_CALLBACK(toggle_fullscreen));
g_signal_connect(g.view, "notify::scale",
G_CALLBACK(on_notify_view_scale), NULL);
g_signal_connect(g.view, "notify::playing",
G_CALLBACK(on_notify_view_playing), NULL);
g_signal_connect(g.view, "notify::scale-to-fit",
G_CALLBACK(on_notify_view_boolean), g.toolbar[TOOLBAR_FIT]);
g_signal_connect(g.view, "notify::filter",
G_CALLBACK(on_notify_view_boolean), g.toolbar[TOOLBAR_SMOOTH]);
g_object_notify(G_OBJECT(g.view), "scale");
g_object_notify(G_OBJECT(g.view), "playing");
g_object_notify(G_OBJECT(g.view), "scale-to-fit");
g_object_notify(G_OBJECT(g.view), "filter");
return view_toolbar;
@@ -840,8 +864,6 @@ main(int argc, char *argv[])
G_CALLBACK(on_key_press_view), NULL);
g_signal_connect(g.view, "button-press-event",
G_CALLBACK(on_button_press_view), NULL);
g_signal_connect(g.view, "notify::scale",
G_CALLBACK(on_notify_view_scale), NULL);
gtk_container_add(GTK_CONTAINER(view_scroller), g.view);
// Maybe our custom widgets should derive colours from the theme instead.