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(WIP) styling the gtk+-3 way

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This commit is contained in:
Gwenhael Le Moine 2024-11-07 13:05:35 +01:00
parent 8e5e5c4528
commit d90bb7a25e
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GPG key ID: FDFE3669426707A7
2 changed files with 172 additions and 10 deletions
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178
src/x49gpng/ui.c
View file

@ -1154,7 +1154,11 @@ static gboolean do_show_context_menu( GtkWidget* widget, GdkEventButton* event,
gtk_widget_set_sensitive( ui->menu_debug, !gdbserver_isactive() );
if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
#if GTK_MAJOR_VERSION == 2
gtk_menu_popup( GTK_MENU( ui->menu ), NULL, NULL, NULL, NULL, event->button, event->time );
#elif GTK_MAJOR_VERSION == 3
gtk_menu_popup_at_widget( GTK_MENU( ui->menu ), ui->lcd_canvas, GDK_GRAVITY_NORTH_WEST, GDK_GRAVITY_NORTH_WEST, NULL );
#endif
return true;
}
@ -1262,8 +1266,13 @@ static gboolean react_to_key_event( GtkWidget* widget, GdkEventKey* event, gpoin
/* We want to know the keyval as interpreted without modifiers. */
/* However, there is one modifier we do care about: NumLock, */
/* which normally is represented by MOD2. */
#if GTK_MAJOR_VERSION == 2
if ( !gdk_keymap_translate_keyboard_state( gdk_keymap_get_default(), event->hardware_keycode, event->state & GDK_MOD2_MASK,
event->group, &keyval, NULL, NULL, NULL ) )
#elif GTK_MAJOR_VERSION == 3
if ( !gdk_keymap_translate_keyboard_state( gdk_keymap_get_for_display( gdk_display_get_default() ), event->hardware_keycode,
event->state & GDK_MOD2_MASK, event->group, &keyval, NULL, NULL, NULL ) )
#endif
return false;
#ifdef DEBUG_X49GP_UI
fprintf( stderr, "%s:%u: state %u, base keyval %04x\n", __FUNCTION__, __LINE__, event->state, keyval );
@ -1513,8 +1522,11 @@ static gboolean react_to_key_event( GtkWidget* widget, GdkEventKey* event, gpoin
if ( ui->menu_debug )
gtk_widget_set_sensitive( ui->menu_debug, !gdbserver_isactive() );
#if GTK_MAJOR_VERSION == 2
gtk_menu_popup( GTK_MENU( ui->menu ), NULL, NULL, NULL, ui->lcd_canvas, 0, event->time );
// gtk_menu_popup_at_widget( GTK_MENU( ui->menu ), ui->lcd_canvas, GDK_GRAVITY_NORTH_WEST, GDK_GRAVITY_NORTH_WEST, NULL );
#elif GTK_MAJOR_VERSION == 3
gtk_menu_popup_at_widget( GTK_MENU( ui->menu ), ui->lcd_canvas, GDK_GRAVITY_NORTH_WEST, GDK_GRAVITY_NORTH_WEST, NULL );
#endif
return false;
default:
@ -1577,8 +1589,13 @@ static int draw_lcd( GtkWidget* widget, GdkEventConfigure* event, gpointer user_
ui->lcd_surface = cairo_image_surface_create( CAIRO_FORMAT_RGB24, ui->lcd_width, ui->lcd_height );
cairo_t* cr = cairo_create( ui->lcd_surface );
#if GTK_MAJOR_VERSION == 2
GdkColor color = ui->colors[ UI_COLOR_GRAYSCALE_0 ];
cairo_set_source_rgb( cr, color.red / 65535.0, color.green / 65535.0, color.blue / 65535.0 );
#elif GTK_MAJOR_VERSION == 3
GdkRGBA color = ui->colors[ UI_COLOR_GRAYSCALE_0 ];
cairo_set_source_rgb( cr, color.red, color.green, color.blue );
#endif
cairo_rectangle( cr, 0, 0, ui->lcd_width, ui->lcd_height );
cairo_fill( cr );
cairo_destroy( cr );
@ -1643,12 +1660,22 @@ static int ui_exit( x49gp_module_t* module ) { return 0; }
static int ui_reset( x49gp_module_t* module, x49gp_reset_t reset ) { return 0; }
#if GTK_MAJOR_VERSION == 2
static void _ui_load__init_color( GdkColor* color, u8 red, u8 green, u8 blue )
{
color->red = ( red << 8 ) | red;
color->green = ( green << 8 ) | green;
color->blue = ( blue << 8 ) | blue;
}
#elif GTK_MAJOR_VERSION == 3
static void _ui_load__init_color( GdkRGBA* color, u8 red, u8 green, u8 blue )
{
color->red = red / 255.0;
color->green = green / 255.0;
color->blue = blue / 255.0;
color->alpha = 1.0;
}
#endif
static inline void _ui_load__newrplify_ui_keys()
{
@ -1708,11 +1735,9 @@ static inline void _ui_load__newrplify_ui_keys()
static void ui_load__style_button( x49gp_ui_t* ui, x49gp_ui_button_t* button )
{
#if GTK_MAJOR_VERSION == 2
GtkStyle* style = gtk_style_new();
/* style->xthickness = 0; */
/* style->ythickness = 0; */
for ( int i = 0; i < 5; i++ ) {
style->fg[ i ] = ui->colors[ button->key->color ];
style->bg[ i ] = ui->colors[ button->key->bg_color ];
@ -1722,6 +1747,21 @@ static void ui_load__style_button( x49gp_ui_t* ui, x49gp_ui_button_t* button )
}
gtk_widget_set_style( button->button, style );
#elif GTK_MAJOR_VERSION == 3
static const gchar button_style[] = "button {\n"
"-GtkButton-color : %s;\n"
"-GtkButton-background-color : %s;\n"
"}";
char* css;
asprintf( &css, button_style, gdk_rgba_to_string( &( ui->colors[ button->key->color ] ) ),
gdk_rgba_to_string( &( ui->colors[ button->key->bg_color ] ) ) );
fprintf( stderr, "%s\n\n\n", css );
GtkCssProvider* css_prov = gtk_css_provider_new();
gtk_css_provider_load_from_data( css_prov, css, -1, NULL );
GtkStyleContext* ctx = gtk_widget_get_style_context( button->button );
gtk_style_context_add_provider( ctx, GTK_STYLE_PROVIDER( css_prov ), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION );
#endif
}
static GtkWidget* _ui_load__create_annunciator_widget( x49gp_ui_t* ui, const char* label )
@ -1731,7 +1771,11 @@ static GtkWidget* _ui_load__create_annunciator_widget( x49gp_ui_t* ui, const cha
PangoAttrList* pango_attributes = ui_load__pango_attrs_common_new();
pango_attr_list_insert( pango_attributes, pango_attr_size_new( ( 12.0 / 1.8 ) * PANGO_SCALE ) );
pango_attr_list_insert( pango_attributes, pango_attr_weight_new( PANGO_WEIGHT_BOLD ) );
#if GTK_MAJOR_VERSION == 2
GdkColor* fgcolor = &( ui->colors[ UI_COLOR_GRAYSCALE_0 ] );
#elif GTK_MAJOR_VERSION == 3
GdkRGBA* fgcolor = &( ui->colors[ UI_COLOR_GRAYSCALE_0 ] );
#endif
pango_attr_list_insert( pango_attributes, pango_attr_foreground_new( fgcolor->red, fgcolor->green, fgcolor->blue ) );
gtk_label_set_attributes( GTK_LABEL( ui_ann ), pango_attributes );
@ -1742,6 +1786,18 @@ static GtkWidget* _ui_load__create_annunciator_widget( x49gp_ui_t* ui, const cha
return ui_ann;
}
static void _ui_load__apply_css_to_widget( char* css, GtkWidget* widget )
{
GtkCssProvider* style_provider = gtk_css_provider_new();
gtk_css_provider_load_from_data( style_provider, css, -1, NULL );
gtk_style_context_add_provider( gtk_widget_get_style_context( widget ), GTK_STYLE_PROVIDER( style_provider ),
GTK_STYLE_PROVIDER_PRIORITY_USER + 1 );
g_object_unref( style_provider );
}
static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
{
x49gp_t* x49gp = module->x49gp;
@ -1827,10 +1883,6 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
GtkWidget* lcd_canvas_container = gtk_event_box_new();
GtkWidget* fixed_widgets_container = gtk_fixed_new();
{
int faceplate_color = ( ui->calculator == UI_CALCULATOR_HP49GP || ui->calculator == UI_CALCULATOR_HP49GP_NEWRPL )
? UI_COLOR_FACEPLATE_49GP
: UI_COLOR_FACEPLATE_50G;
ui->window = gtk_window_new( GTK_WINDOW_TOPLEVEL );
gtk_window_set_default_size( GTK_WINDOW( ui->window ), ui->width, ui->height );
gtk_window_set_accept_focus( GTK_WINDOW( ui->window ), true );
@ -1838,9 +1890,14 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
gtk_window_set_decorated( GTK_WINDOW( ui->window ), true );
gtk_window_set_resizable( GTK_WINDOW( ui->window ), true );
gtk_window_set_title( GTK_WINDOW( ui->window ), ui->name );
gtk_widget_set_name( ui->window, ui->name );
gtk_widget_set_name( ui->window, "x49gpng-main-window" );
gtk_widget_realize( ui->window );
#if GTK_MAJOR_VERSION == 2
int faceplate_color = ( ui->calculator == UI_CALCULATOR_HP49GP || ui->calculator == UI_CALCULATOR_HP49GP_NEWRPL )
? UI_COLOR_FACEPLATE_49GP
: UI_COLOR_FACEPLATE_50G;
gtk_widget_modify_bg( ui->window, GTK_STATE_NORMAL, &( ui->colors[ faceplate_color ] ) );
#endif
gtk_container_add( GTK_CONTAINER( ui->window ), fixed_widgets_container );
g_signal_connect( G_OBJECT( ui->window ), "focus-out-event", G_CALLBACK( react_to_focus_lost ), x49gp );
@ -1852,6 +1909,7 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
gtk_widget_add_events( ui->window, GDK_FOCUS_CHANGE_MASK | GDK_BUTTON_PRESS_MASK | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK );
ui->lcd_canvas = gtk_drawing_area_new();
gtk_widget_set_name( ui->lcd_canvas, "lcd" );
gtk_widget_set_size_request( ui->lcd_canvas, ui->lcd_width, ui->lcd_height );
#if GTK_MAJOR_VERSION == 2
g_signal_connect( G_OBJECT( ui->lcd_canvas ), "expose-event", G_CALLBACK( redraw_lcd ), x49gp );
@ -1875,7 +1933,10 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
ui->ui_ann_io = _ui_load__create_annunciator_widget( ui, "⇄" );
GtkWidget* fixed_annunciators_container = gtk_fixed_new();
gtk_widget_set_name( fixed_annunciators_container, "annunciators-container" );
#if GTK_MAJOR_VERSION == 2
gtk_widget_modify_bg( fixed_annunciators_container, GTK_STATE_NORMAL, &( ui->colors[ UI_COLOR_GRAYSCALE_0 ] ) );
#endif
gtk_widget_set_size_request( fixed_annunciators_container, ui->lcd_width, annunciator_height );
gtk_fixed_put( GTK_FIXED( fixed_widgets_container ), fixed_annunciators_container, ui->annunciators_x_offset,
ui->annunciators_y_offset );
@ -1903,8 +1964,10 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
{
double tiny_font_size = 8.0;
x49gp_ui_button_t* button;
#if GTK_MAJOR_VERSION == 2
PangoAttrList* pango_attributes;
GdkColor* fgcolor;
#endif
GtkWidget* ui_label;
GtkWidget* ui_left;
GtkWidget* ui_right;
@ -1915,6 +1978,9 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
int right_color;
int below_color;
GtkRequisition widget_size, widget2_size;
#if GTK_MAJOR_VERSION == 3
GtkRequisition widget_minimum_size, widget2_minimum_size;
#endif
int x, y, x2, y2;
switch ( ui->calculator ) {
@ -1955,6 +2021,7 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
if ( button->key->label ) {
ui_label = gtk_label_new( NULL );
#if GTK_MAJOR_VERSION == 2
pango_attributes = ui_load__pango_attrs_common_new();
pango_attr_list_insert( pango_attributes, pango_attr_size_new( ( button->key->font_size / 1.8 ) * PANGO_SCALE ) );
pango_attr_list_insert( pango_attributes, pango_attr_weight_new( PANGO_WEIGHT_BOLD ) );
@ -1962,6 +2029,15 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
pango_attr_list_insert( pango_attributes, pango_attr_foreground_new( fgcolor->red, fgcolor->green, fgcolor->blue ) );
gtk_label_set_attributes( GTK_LABEL( ui_label ), pango_attributes );
#elif GTK_MAJOR_VERSION == 3
// add CSS style
{
char* css;
if ( asprintf( &css, "GtkLabel { font-size: %f; font-weight: bold; color: %s; }\n", button->key->font_size,
gdk_rgba_to_string( &( ui->colors[ button->key->color ] ) ) ) >= 0 )
_ui_load__apply_css_to_widget( css, ui_label );
}
#endif
gtk_label_set_use_markup( GTK_LABEL( ui_label ), true );
gtk_label_set_markup( GTK_LABEL( ui_label ), button->key->label );
@ -1971,6 +2047,7 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
if ( button->key->left ) {
ui_left = gtk_label_new( NULL );
#if GTK_MAJOR_VERSION == 2
pango_attributes = ui_load__pango_attrs_common_new();
pango_attr_list_insert( pango_attributes, pango_attr_size_new( ( tiny_font_size / 1.8 ) * PANGO_SCALE ) );
pango_attr_list_insert( pango_attributes, pango_attr_weight_new( PANGO_WEIGHT_BOLD ) );
@ -1978,6 +2055,15 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
pango_attr_list_insert( pango_attributes, pango_attr_foreground_new( fgcolor->red, fgcolor->green, fgcolor->blue ) );
gtk_label_set_attributes( GTK_LABEL( ui_left ), pango_attributes );
#elif GTK_MAJOR_VERSION == 3
// add CSS style
{
char* css;
if ( asprintf( &css, "GtkLabel { font-size: %f; font-weight: bold; color: %s; }\n", tiny_font_size,
gdk_rgba_to_string( &( ui->colors[ left_color ] ) ) ) >= 0 )
_ui_load__apply_css_to_widget( css, ui_left );
}
#endif
gtk_label_set_use_markup( GTK_LABEL( ui_left ), true );
gtk_label_set_markup( GTK_LABEL( ui_left ), button->key->left );
@ -1985,6 +2071,7 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
if ( button->key->right ) {
ui_right = gtk_label_new( NULL );
#if GTK_MAJOR_VERSION == 2
pango_attributes = ui_load__pango_attrs_common_new();
pango_attr_list_insert( pango_attributes, pango_attr_size_new( ( tiny_font_size / 1.8 ) * PANGO_SCALE ) );
pango_attr_list_insert( pango_attributes, pango_attr_weight_new( PANGO_WEIGHT_BOLD ) );
@ -1992,13 +2079,30 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
pango_attr_list_insert( pango_attributes, pango_attr_foreground_new( fgcolor->red, fgcolor->green, fgcolor->blue ) );
gtk_label_set_attributes( GTK_LABEL( ui_right ), pango_attributes );
#elif GTK_MAJOR_VERSION == 3
// add CSS style
{
char* css;
if ( asprintf( &css, "GtkLabel { font-size: %f; font-weight: bold; color: %s; }\n", tiny_font_size,
gdk_rgba_to_string( &( ui->colors[ right_color ] ) ) ) >= 0 )
_ui_load__apply_css_to_widget( css, ui_right );
}
#endif
gtk_label_set_use_markup( GTK_LABEL( ui_right ), true );
gtk_label_set_markup( GTK_LABEL( ui_right ), button->key->right );
}
if ( button->key->right ) {
#if GTK_MAJOR_VERSION == 2
gtk_widget_size_request( ui_left, &widget_size );
#elif GTK_MAJOR_VERSION == 3
gtk_widget_get_preferred_size( ui_left, &widget_minimum_size, &widget_size );
#endif
#if GTK_MAJOR_VERSION == 2
gtk_widget_size_request( ui_right, &widget2_size );
#elif GTK_MAJOR_VERSION == 3
gtk_widget_get_preferred_size( ui_right, &widget2_minimum_size, &widget2_size );
#endif
x = ui->kb_x_offset + button->key->x;
y = ui->kb_y_offset + button->key->y - widget_size.height - 2;
@ -2014,7 +2118,11 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
gtk_fixed_put( GTK_FIXED( fixed_widgets_container ), ui_left, x, y );
gtk_fixed_put( GTK_FIXED( fixed_widgets_container ), ui_right, x2, y2 );
} else {
#if GTK_MAJOR_VERSION == 2
gtk_widget_size_request( ui_left, &widget_size );
#elif GTK_MAJOR_VERSION == 3
gtk_widget_get_preferred_size( ui_left, &widget_minimum_size, &widget_size );
#endif
x = ui->kb_x_offset + button->key->x + ( ( button->key->width - widget_size.width ) / 2 );
y = ui->kb_y_offset + button->key->y - widget_size.height - 2;
gtk_fixed_put( GTK_FIXED( fixed_widgets_container ), ui_left, x, y );
@ -2023,6 +2131,7 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
if ( button->key->letter ) {
ui_letter = gtk_label_new( NULL );
#if GTK_MAJOR_VERSION == 2
pango_attributes = ui_load__pango_attrs_common_new();
pango_attr_list_insert( pango_attributes, pango_attr_size_new( ( button->key->letter_size / 1.8 ) * PANGO_SCALE ) );
pango_attr_list_insert( pango_attributes, pango_attr_weight_new( PANGO_WEIGHT_BOLD ) );
@ -2030,11 +2139,24 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
pango_attr_list_insert( pango_attributes, pango_attr_foreground_new( fgcolor->red, fgcolor->green, fgcolor->blue ) );
gtk_label_set_attributes( GTK_LABEL( ui_letter ), pango_attributes );
#elif GTK_MAJOR_VERSION == 3
// add CSS style
{
char* css;
if ( asprintf( &css, "GtkLabel { font-size: %f; font-weight: bold; color: %s; }\n", tiny_font_size,
gdk_rgba_to_string( &( ui->colors[ UI_COLOR_YELLOW ] ) ) ) >= 0 )
_ui_load__apply_css_to_widget( css, ui_letter );
}
#endif
gtk_label_set_use_markup( GTK_LABEL( ui_letter ), true );
gtk_label_set_markup( GTK_LABEL( ui_letter ), button->key->letter );
#if GTK_MAJOR_VERSION == 2
gtk_widget_size_request( ui_letter, &widget_size );
#elif GTK_MAJOR_VERSION == 3
gtk_widget_get_preferred_size( ui_letter, &widget_minimum_size, &widget_size );
#endif
x = ui->kb_x_offset + button->key->x + button->key->width;
y = ui->kb_y_offset + button->key->y + button->key->height - ( widget_size.height / 2 );
@ -2043,6 +2165,7 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
if ( button->key->below ) {
ui_below = gtk_label_new( NULL );
#if GTK_MAJOR_VERSION == 2
pango_attributes = ui_load__pango_attrs_common_new();
pango_attr_list_insert( pango_attributes, pango_attr_size_new( ( tiny_font_size / 1.8 ) * PANGO_SCALE ) );
pango_attr_list_insert( pango_attributes, pango_attr_weight_new( PANGO_WEIGHT_BOLD ) );
@ -2050,11 +2173,24 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
pango_attr_list_insert( pango_attributes, pango_attr_foreground_new( fgcolor->red, fgcolor->green, fgcolor->blue ) );
gtk_label_set_attributes( GTK_LABEL( ui_below ), pango_attributes );
#elif GTK_MAJOR_VERSION == 3
// add CSS style
{
char* css;
if ( asprintf( &css, "GtkLabel { font-size: %f; font-weight: bold; color: %s; }\n", tiny_font_size,
gdk_rgba_to_string( &( ui->colors[ below_color ] ) ) ) >= 0 )
_ui_load__apply_css_to_widget( css, ui_below );
}
#endif
gtk_label_set_use_markup( GTK_LABEL( ui_below ), true );
gtk_label_set_markup( GTK_LABEL( ui_below ), button->key->below );
#if GTK_MAJOR_VERSION == 2
gtk_widget_size_request( ui_below, &widget_size );
#elif GTK_MAJOR_VERSION == 3
gtk_widget_get_preferred_size( ui_below, &widget_minimum_size, &widget_size );
#endif
x = ui->kb_x_offset + button->key->x + ( ( button->key->width - widget_size.width ) / 2 );
y = ui->kb_y_offset + button->key->y + button->key->height + 2;
gtk_fixed_put( GTK_FIXED( fixed_widgets_container ), ui_below, x, y );
@ -2077,7 +2213,7 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
}
}
// right-click menu
// Right-click menu
{
ui->menu = gtk_menu_new();
@ -2117,6 +2253,20 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
gtk_widget_show_all( ui->menu );
}
#if GTK_MAJOR_VERSION == 3
// add CSS style
{
char* css;
int faceplate_color = ( ui->calculator == UI_CALCULATOR_HP49GP || ui->calculator == UI_CALCULATOR_HP49GP_NEWRPL )
? UI_COLOR_FACEPLATE_49GP
: UI_COLOR_FACEPLATE_50G;
if ( asprintf( &css, "#x49gpng-main-window { background-color: %s; }\n",
gdk_rgba_to_string( &( ui->colors[ faceplate_color ] ) ) ) >= 0 )
_ui_load__apply_css_to_widget( css, ui->window );
}
#endif
// finally show the window
gtk_widget_show_all( ui->window );
@ -2125,11 +2275,19 @@ static int ui_load( x49gp_module_t* module, GKeyFile* keyfile )
static int ui_save( x49gp_module_t* module, GKeyFile* keyfile ) { return 0; }
#if GTK_MAJOR_VERSION == 2
static void _draw_pixel( cairo_surface_t* target, int x, int y, int w, int h, GdkColor* color )
#elif GTK_MAJOR_VERSION == 3
static void _draw_pixel( cairo_surface_t* target, int x, int y, int w, int h, GdkRGBA* color )
#endif
{
cairo_t* cr = cairo_create( target );
#if GTK_MAJOR_VERSION == 2
cairo_set_source_rgb( cr, color->red / 65535.0, color->green / 65535.0, color->blue / 65535.0 );
#elif GTK_MAJOR_VERSION == 3
cairo_set_source_rgb( cr, color->red, color->green, color->blue );
#endif
cairo_rectangle( cr, x, y, w, h );
cairo_fill( cr );

4
src/x49gpng/ui.h
View file

@ -83,7 +83,11 @@ struct __x49gp_ui_s__ {
GtkWidget* menu_unmount;
GtkWidget* menu_debug;
#if GTK_MAJOR_VERSION == 2
GdkColor colors[ UI_COLOR_MAX ];
#elif GTK_MAJOR_VERSION == 3
GdkRGBA colors[ UI_COLOR_MAX ];
#endif
x49gp_ui_calculator_t calculator;