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-rw-r--r--src/eom-scroll-view.c138
-rw-r--r--src/eom-scroll-view.h6
2 files changed, 65 insertions, 79 deletions
diff --git a/src/eom-scroll-view.c b/src/eom-scroll-view.c
index 4ab1a11..0a321d0 100644
--- a/src/eom-scroll-view.c
+++ b/src/eom-scroll-view.c
@@ -31,11 +31,11 @@
#define MIN_ZOOM_FACTOR 0.02
#define CHECK_MEDIUM 8
-#define CHECK_BLACK 0x00000000
-#define CHECK_DARK 0x00555555
-#define CHECK_GRAY 0x00808080
-#define CHECK_LIGHT 0x00cccccc
-#define CHECK_WHITE 0x00ffffff
+#define CHECK_BLACK "#000000"
+#define CHECK_DARK "#555555"
+#define CHECK_GRAY "#808080"
+#define CHECK_LIGHT "#cccccc"
+#define CHECK_WHITE "#ffffff"
/* Default increment for zooming. The current zoom factor is multiplied or
* divided by this amount on every zooming step. For consistency, you should
@@ -134,14 +134,14 @@ struct _EomScrollViewPrivate {
/* how to indicate transparency in images */
EomTransparencyStyle transp_style;
- guint32 transp_color;
+ GdkRGBA transp_color;
/* the type of the cursor we are currently showing */
EomScrollViewCursor cursor;
gboolean use_bg_color;
- GdkColor *background_color;
- GdkColor *override_bg_color;
+ GdkRGBA *background_color;
+ GdkRGBA *override_bg_color;
cairo_surface_t *background_surface;
};
@@ -160,6 +160,8 @@ static void view_on_drag_data_get_cb (GtkWidget *widget,
#define EOM_SCROLL_VIEW_GET_PRIVATE(object) \
(G_TYPE_INSTANCE_GET_PRIVATE ((object), EOM_TYPE_SCROLL_VIEW, EomScrollViewPrivate))
+static gboolean _eom_gdk_rgba_equal0 (const GdkRGBA *a, const GdkRGBA *b);
+
G_DEFINE_TYPE (EomScrollView, eom_scroll_view, GTK_TYPE_GRID)
/*===================================
@@ -494,7 +496,7 @@ is_image_movable (EomScrollView *view)
---------------------------------*/
static void
-get_transparency_params (EomScrollView *view, int *size, guint32 *color1, guint32 *color2)
+get_transparency_params (EomScrollView *view, int *size, GdkRGBA *color1, GdkRGBA *color2)
{
EomScrollViewPrivate *priv;
@@ -503,16 +505,15 @@ get_transparency_params (EomScrollView *view, int *size, guint32 *color1, guint3
/* Compute transparency parameters */
switch (priv->transp_style) {
case EOM_TRANSP_BACKGROUND: {
- GdkColor color = gtk_widget_get_style (GTK_WIDGET (priv->display))->bg[GTK_STATE_NORMAL];
-
- *color1 = *color2 = (((color.red & 0xff00) << 8)
- | (color.green & 0xff00)
- | ((color.blue & 0xff00) >> 8));
- break; }
+ /* Simply return fully transparent color */
+ color1->red = color1->green = color1->blue = color1->alpha = 0.0;
+ color2->red = color2->green = color2->blue = color2->alpha = 0.0;
+ break;
+ }
case EOM_TRANSP_CHECKED:
- *color1 = CHECK_GRAY;
- *color2 = CHECK_LIGHT;
+ g_warn_if_fail (gdk_rgba_parse (color1, CHECK_GRAY));
+ g_warn_if_fail (gdk_rgba_parse (color2, CHECK_LIGHT));
break;
case EOM_TRANSP_COLOR:
@@ -530,29 +531,25 @@ static cairo_surface_t *
create_background_surface (EomScrollView *view)
{
int check_size;
- guint32 check_1 = 0;
- guint32 check_2 = 0;
+ GdkRGBA check_1;
+ GdkRGBA check_2;
cairo_surface_t *surface;
get_transparency_params (view, &check_size, &check_1, &check_2);
surface = gdk_window_create_similar_surface (gtk_widget_get_window (view->priv->display),
- CAIRO_CONTENT_COLOR,
+ CAIRO_CONTENT_COLOR_ALPHA,
check_size * 2, check_size * 2);
cairo_t* cr = cairo_create (surface);
- cairo_set_source_rgba (cr,
- ((check_1 & 0xff0000) >> 16) / 255.,
- ((check_1 & 0x00ff00) >> 8) / 255.,
- (check_1 & 0x0000ff) / 255.,
- 1.);
+
+ /* Use source operator to make fully transparent work */
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+
+ gdk_cairo_set_source_rgba(cr, &check_1);
cairo_rectangle (cr, 0, 0, check_size, check_size);
cairo_rectangle (cr, check_size, check_size, check_size, check_size);
cairo_fill (cr);
- cairo_set_source_rgba (cr,
- ((check_2 & 0xff0000) >> 16) / 255.,
- ((check_2 & 0x00ff00) >> 8) / 255.,
- (check_2 & 0x0000ff) / 255.,
- 1.);
+ gdk_cairo_set_source_rgba(cr, &check_2);
cairo_rectangle (cr, 0, check_size, check_size, check_size);
cairo_rectangle (cr, check_size, 0, check_size, check_size);
cairo_fill (cr);
@@ -1448,25 +1445,16 @@ _transp_background_changed (EomScrollView *view)
}
void
-eom_scroll_view_set_transparency_color (EomScrollView *view, GdkColor *color)
+eom_scroll_view_set_transparency_color (EomScrollView *view, GdkRGBA *color)
{
- guint32 col = 0;
- guint32 red, green, blue;
EomScrollViewPrivate *priv;
g_return_if_fail (EOM_IS_SCROLL_VIEW (view));
priv = view->priv;
- if (color != NULL) {
- red = (color->red >> 8) << 16;
- green = (color->green >> 8) << 8;
- blue = (color->blue >> 8);
- col = red + green + blue;
- }
-
- if (priv->transp_style != col) {
- priv->transp_color = col;
+ if (!_eom_gdk_rgba_equal0 (&priv->transp_color, color)) {
+ priv->transp_color = *color;
if (priv->transp_style == EOM_TRANSP_COLOR)
_transp_background_changed (view);
@@ -1689,15 +1677,15 @@ eom_scroll_view_scrollbars_visible (EomScrollView *view)
---------------------------------*/
static gboolean
-sv_string_to_color_mapping (GValue *value,
+sv_string_to_rgba_mapping (GValue *value,
GVariant *variant,
gpointer user_data)
{
- GdkColor color;
+ GdkRGBA color;
g_return_val_if_fail (g_variant_is_of_type (variant, G_VARIANT_TYPE_STRING), FALSE);
- if (gdk_color_parse (g_variant_get_string (variant, NULL), &color)) {
+ if (gdk_rgba_parse (&color, g_variant_get_string (variant, NULL))) {
g_value_set_boxed (value, &color);
return TRUE;
}
@@ -1706,22 +1694,19 @@ sv_string_to_color_mapping (GValue *value,
}
static GVariant*
-sv_color_to_string_mapping (const GValue *value,
+sv_rgba_to_string_mapping (const GValue *value,
const GVariantType *expected_type,
gpointer user_data)
{
GVariant *variant = NULL;
- GdkColor *color;
+ GdkRGBA *color;
gchar *hex_val;
- g_return_val_if_fail (G_VALUE_TYPE (value) == GDK_TYPE_COLOR, NULL);
+ g_return_val_if_fail (G_VALUE_TYPE (value) == GDK_TYPE_RGBA, NULL);
g_return_val_if_fail (g_variant_type_equal (expected_type, G_VARIANT_TYPE_STRING), NULL);
color = g_value_get_boxed (value);
- hex_val = g_strdup_printf ("#%02X%02X%02X",
- color->red / 256,
- color->green / 256,
- color->blue / 256);
+ hex_val = gdk_rgba_to_string(color);
variant = g_variant_new_string (hex_val);
g_free (hex_val);
@@ -1749,7 +1734,7 @@ eom_scroll_view_init (EomScrollView *view)
priv->pixbuf = NULL;
priv->surface = NULL;
priv->transp_style = EOM_TRANSP_BACKGROUND;
- priv->transp_color = 0;
+ g_warn_if_fail (gdk_rgba_parse(&priv->transp_color, CHECK_BLACK));
priv->cursor = EOM_SCROLL_VIEW_CURSOR_NORMAL;
priv->menu = NULL;
priv->background_color = NULL;
@@ -1825,8 +1810,8 @@ eom_scroll_view_init (EomScrollView *view)
g_settings_bind_with_mapping (settings, EOM_CONF_VIEW_BACKGROUND_COLOR,
view, "background-color",
G_SETTINGS_BIND_DEFAULT,
- sv_string_to_color_mapping,
- sv_color_to_string_mapping, NULL, NULL);
+ sv_string_to_rgba_mapping,
+ sv_rgba_to_string_mapping, NULL, NULL);
g_settings_bind (settings, EOM_CONF_VIEW_EXTRAPOLATE, view,
"antialiasing-in", G_SETTINGS_BIND_GET);
g_settings_bind (settings, EOM_CONF_VIEW_INTERPOLATE, view,
@@ -1834,8 +1819,8 @@ eom_scroll_view_init (EomScrollView *view)
g_settings_bind_with_mapping (settings, EOM_CONF_VIEW_TRANS_COLOR,
view, "transparency-color",
G_SETTINGS_BIND_GET,
- sv_string_to_color_mapping,
- sv_color_to_string_mapping, NULL, NULL);
+ sv_string_to_rgba_mapping,
+ sv_rgba_to_string_mapping, NULL, NULL);
g_settings_bind (settings, EOM_CONF_VIEW_TRANSPARENCY, view,
"transparency-style", G_SETTINGS_BIND_GET);
@@ -1862,12 +1847,12 @@ eom_scroll_view_dispose (GObject *object)
}
if (priv->background_color != NULL) {
- gdk_color_free (priv->background_color);
+ gdk_rgba_free (priv->background_color);
priv->background_color = NULL;
}
if (priv->override_bg_color != NULL) {
- gdk_color_free (priv->override_bg_color);
+ gdk_rgba_free (priv->override_bg_color);
priv->override_bg_color = NULL;
}
@@ -1949,7 +1934,7 @@ eom_scroll_view_set_property (GObject *object, guint property_id,
break;
case PROP_BACKGROUND_COLOR:
{
- const GdkColor *color = g_value_get_boxed (value);
+ const GdkRGBA *color = g_value_get_boxed (value);
eom_scroll_view_set_background_color (view, color);
break;
}
@@ -2004,7 +1989,7 @@ eom_scroll_view_class_init (EomScrollViewClass *klass)
g_object_class_install_property (
gobject_class, PROP_BACKGROUND_COLOR,
g_param_spec_boxed ("background-color", NULL, NULL,
- GDK_TYPE_COLOR,
+ GDK_TYPE_RGBA,
G_PARAM_READWRITE | G_PARAM_STATIC_NAME));
g_object_class_install_property (
@@ -2044,7 +2029,7 @@ eom_scroll_view_class_init (EomScrollViewClass *klass)
g_object_class_install_property (
gobject_class, PROP_TRANSP_COLOR,
g_param_spec_boxed ("transparency-color", NULL, NULL,
- GDK_TYPE_COLOR,
+ GDK_TYPE_RGBA,
G_PARAM_WRITABLE | G_PARAM_STATIC_NAME));
/**
@@ -2192,26 +2177,26 @@ eom_scroll_view_set_popup (EomScrollView *view,
}
static gboolean
-_eom_gdk_color_equal0 (const GdkColor *a, const GdkColor *b)
+_eom_gdk_rgba_equal0 (const GdkRGBA *a, const GdkRGBA *b)
{
if (a == NULL || b == NULL)
return (a == b);
- return gdk_color_equal (a, b);
+ return gdk_rgba_equal (a, b);
}
static gboolean
-_eom_replace_gdk_color (GdkColor **dest, const GdkColor *new)
+_eom_replace_gdk_rgba (GdkRGBA **dest, const GdkRGBA *src)
{
- GdkColor *old = *dest;
+ GdkRGBA *old = *dest;
- if (_eom_gdk_color_equal0 (old, new))
+ if (_eom_gdk_rgba_equal0 (old, src))
return FALSE;
if (old != NULL)
- gdk_color_free (old);
+ gdk_rgba_free (old);
- *dest = (new) ? gdk_color_copy (new) : NULL;
+ *dest = (src) ? gdk_rgba_copy (src) : NULL;
return TRUE;
}
@@ -2219,7 +2204,7 @@ _eom_replace_gdk_color (GdkColor **dest, const GdkColor *new)
static void
_eom_scroll_view_update_bg_color (EomScrollView *view)
{
- const GdkColor *selected;
+ const GdkRGBA *selected;
EomScrollViewPrivate *priv = view->priv;
if (!priv->use_bg_color)
@@ -2237,28 +2222,29 @@ _eom_scroll_view_update_bg_color (EomScrollView *view)
priv->background_surface = NULL;
}
- gtk_widget_modify_bg (GTK_WIDGET (priv->display),
+ /*gtk_widget_modify_bg (GTK_WIDGET (priv->display),
GTK_STATE_NORMAL,
- selected);
+ selected);*/
+ gtk_widget_override_background_color(GTK_WIDGET (priv->display), GTK_STATE_FLAG_NORMAL, selected);
}
void
eom_scroll_view_set_background_color (EomScrollView *view,
- const GdkColor *color)
+ const GdkRGBA *color)
{
g_return_if_fail (EOM_IS_SCROLL_VIEW (view));
- if (_eom_replace_gdk_color (&view->priv->background_color, color))
+ if (_eom_replace_gdk_rgba (&view->priv->background_color, color))
_eom_scroll_view_update_bg_color (view);
}
void
eom_scroll_view_override_bg_color (EomScrollView *view,
- const GdkColor *color)
+ const GdkRGBA *color)
{
g_return_if_fail (EOM_IS_SCROLL_VIEW (view));
- if (_eom_replace_gdk_color (&view->priv->override_bg_color, color))
+ if (_eom_replace_gdk_rgba (&view->priv->override_bg_color, color))
_eom_scroll_view_update_bg_color (view);
}
diff --git a/src/eom-scroll-view.h b/src/eom-scroll-view.h
index d618fff..69a57a4 100644
--- a/src/eom-scroll-view.h
+++ b/src/eom-scroll-view.h
@@ -47,14 +47,14 @@ void eom_scroll_view_set_zoom_upscale (EomScrollView *view, gboolean upscale
void eom_scroll_view_set_zoom_multiplier (EomScrollView *view, gdouble multiplier);
void eom_scroll_view_set_antialiasing_in (EomScrollView *view, gboolean state);
void eom_scroll_view_set_antialiasing_out (EomScrollView *view, gboolean state);
-void eom_scroll_view_set_transparency_color (EomScrollView *view, GdkColor *color);
+void eom_scroll_view_set_transparency_color (EomScrollView *view, GdkRGBA *color);
void eom_scroll_view_set_transparency (EomScrollView *view, EomTransparencyStyle style);
gboolean eom_scroll_view_scrollbars_visible (EomScrollView *view);
void eom_scroll_view_set_popup (EomScrollView *view, GtkMenu *menu);
void eom_scroll_view_set_background_color (EomScrollView *view,
- const GdkColor *color);
+ const GdkRGBA *color);
void eom_scroll_view_override_bg_color (EomScrollView *view,
- const GdkColor *color);
+ const GdkRGBA *color);
void eom_scroll_view_set_use_bg_color (EomScrollView *view, gboolean use);
/* zoom api */
void eom_scroll_view_zoom_in (EomScrollView *view, gboolean smooth);