[Xfce4-commits] <ristretto:ristretto-0.0> Improve thumbnail behaviour
Stephan Arts
noreply at xfce.org
Sun Oct 23 19:16:39 CEST 2011
Updating branch refs/heads/ristretto-0.0
to 8bb5f1ca12914363b49a947867ef905d45045640 (commit)
from 609d230ce3dad3b9d51d67858ea88dce0e79d5ee (commit)
commit 8bb5f1ca12914363b49a947867ef905d45045640
Author: Stephan Arts <stephan at xfce.org>
Date: Sun Jun 7 09:48:50 2009 +0200
Improve thumbnail behaviour
src/thumbnail.c | 148 +++++++++++++++++++++++++++++++++------------------
src/thumbnail_bar.c | 2 +-
2 files changed, 98 insertions(+), 52 deletions(-)
diff --git a/src/thumbnail.c b/src/thumbnail.c
index 8609b21..04f5cd2 100644
--- a/src/thumbnail.c
+++ b/src/thumbnail.c
@@ -28,6 +28,7 @@
struct _RsttoThumbnailPriv
{
RsttoImage *image;
+ GdkPixbuf *pixbuf;
};
static GtkWidgetClass *parent_class = NULL;
@@ -50,7 +51,11 @@ static void
rstto_thumbnail_paint(RsttoThumbnail *thumb);
static void
-rstto_thumbnail_clicked(GtkButton *);
+rstto_thumbnail_clicked (GtkButton *);
+static void
+rstto_thumbnail_enter (GtkButton *);
+static void
+rstto_thumbnail_leave (GtkButton *);
GType
rstto_thumbnail_get_type (void)
@@ -107,11 +112,26 @@ rstto_thumbnail_class_init(RsttoThumbnailClass *thumb_class)
widget_class->size_allocate = rstto_thumbnail_size_allocate;
button_class->clicked = rstto_thumbnail_clicked;
+ button_class->enter = rstto_thumbnail_enter;
+ button_class->leave = rstto_thumbnail_leave;
object_class->finalize = rstto_thumbnail_finalize;
}
static void
+rstto_thumbnail_finalize(GObject *object)
+{
+ RsttoThumbnail *thumb = RSTTO_THUMBNAIL(object);
+ if (thumb->priv->image)
+ {
+ g_object_unref (thumb->priv->image);
+ thumb->priv->image = NULL;
+ }
+
+}
+
+
+static void
rstto_thumbnail_size_request(GtkWidget *widget, GtkRequisition *requisition)
{
requisition->height = 70;
@@ -121,21 +141,75 @@ rstto_thumbnail_size_request(GtkWidget *widget, GtkRequisition *requisition)
static void
rstto_thumbnail_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
{
+ RsttoThumbnail *thumb = RSTTO_THUMBNAIL(widget);
widget->allocation = *allocation;
-
parent_class->size_allocate(widget, allocation);
+
+ if (thumb->priv->pixbuf)
+ {
+ g_object_unref (thumb->priv->pixbuf);
+ thumb->priv->pixbuf = NULL;
+ }
+
+ thumb->priv->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
+ TRUE,
+ 8,
+ allocation->width,
+ allocation->height);
}
static gboolean
rstto_thumbnail_expose(GtkWidget *widget, GdkEventExpose *event)
{
RsttoThumbnail *thumb = RSTTO_THUMBNAIL(widget);
+ GdkPixbuf *thumb_pixbuf = NULL;
if (GTK_WIDGET_REALIZED (widget))
{
- GdkRegion *region = event->region;
+ if (thumb->priv->image)
+ {
+ thumb_pixbuf = rstto_image_get_thumbnail (thumb->priv->image);
+ g_object_ref (thumb_pixbuf);
+ }
+
+ if (thumb_pixbuf == NULL)
+ {
+ thumb_pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default(),
+ "image-missing",
+ 128,
+ 0,
+ NULL);
+ }
+
+ if (thumb_pixbuf)
+ {
+ guint height = gdk_pixbuf_get_height (thumb->priv->pixbuf);
+ guint width = gdk_pixbuf_get_width (thumb->priv->pixbuf);
+
+ if (gdk_pixbuf_get_width (thumb_pixbuf) > gdk_pixbuf_get_height (thumb_pixbuf))
+ {
+ height = (guint)((gdouble)width / (gdouble)gdk_pixbuf_get_width (thumb_pixbuf) * (gdouble)gdk_pixbuf_get_height (thumb_pixbuf));
+ }
+ else
+ {
+ width = (guint)((gdouble)height / (gdouble)gdk_pixbuf_get_height (thumb_pixbuf) * (gdouble)gdk_pixbuf_get_width (thumb_pixbuf));
+ }
+
+ gdk_pixbuf_fill (thumb->priv->pixbuf, 0x00000000);
+ gdk_pixbuf_scale (thumb_pixbuf, thumb->priv->pixbuf,
+ ((widget->allocation.width - width) / 2)+2, ((widget->allocation.height - height) / 2)+2,
+ width - 4,
+ height - 4,
+ 0, 0,
+ (gdouble)width / ((gdouble)gdk_pixbuf_get_width (thumb_pixbuf)),
+ (gdouble)height / ((gdouble)gdk_pixbuf_get_height (thumb_pixbuf)),
+ GDK_INTERP_BILINEAR);
+
+ g_object_unref (thumb_pixbuf);
+ }
+
- gdk_window_begin_paint_region(widget->window, region);
+ gdk_window_begin_paint_region(widget->window, event->region);
rstto_thumbnail_paint(thumb);
gdk_window_end_paint(widget->window);
}
@@ -144,26 +218,11 @@ rstto_thumbnail_expose(GtkWidget *widget, GdkEventExpose *event)
}
static void
-rstto_thumbnail_finalize(GObject *object)
-{
- RsttoThumbnail *thumb = RSTTO_THUMBNAIL(object);
- if (thumb->priv->image)
- {
- g_object_unref (thumb->priv->image);
- thumb->priv->image = NULL;
- }
-
-}
-
-static void
rstto_thumbnail_paint(RsttoThumbnail *thumb)
{
GtkWidget *widget = GTK_WIDGET(thumb);
GtkStateType state = GTK_WIDGET_STATE(widget);
- GdkPixbuf *pixbuf;
- guint pixbuf_height = 0;
- guint pixbuf_width = 0;
if(thumb->priv->image)
{
@@ -172,50 +231,24 @@ rstto_thumbnail_paint(RsttoThumbnail *thumb)
{
}
- pixbuf = rstto_image_get_thumbnail (
- thumb->priv->image);
- if (pixbuf == NULL)
- {
- pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default(),
- "image-missing",
- 128,
- 0,
- NULL);
- }
-
gtk_paint_box(widget->style,
widget->window,
state,
- GTK_SHADOW_ETCHED_IN,
+ state == GTK_STATE_PRELIGHT?GTK_SHADOW_OUT:GTK_SHADOW_IN,
NULL,
widget,
NULL,
widget->allocation.x, widget->allocation.y,
widget->allocation.width, widget->allocation.height);
- if(pixbuf)
+ if (thumb->priv->pixbuf)
{
- pixbuf_height = gdk_pixbuf_get_height (pixbuf);
- pixbuf_width = gdk_pixbuf_get_width (pixbuf);
-
- if (pixbuf_height > pixbuf_width)
- {
- pixbuf_width = widget->allocation.height * pixbuf_width / pixbuf_height;
- pixbuf_height = widget->allocation.height;
- }
- else
- {
- pixbuf_height = widget->allocation.width * pixbuf_height / pixbuf_width;
- pixbuf_width = widget->allocation.width;
- }
-
- pixbuf = gdk_pixbuf_scale_simple (pixbuf, pixbuf_width, pixbuf_height, GDK_INTERP_BILINEAR);
gdk_draw_pixbuf(GDK_DRAWABLE(widget->window),
NULL,
- pixbuf,
+ thumb->priv->pixbuf,
0, 0,
- (0.5 * (widget->allocation.width - gdk_pixbuf_get_width(pixbuf))) + widget->allocation.x,
- (0.5 * (widget->allocation.height - gdk_pixbuf_get_height(pixbuf))) + widget->allocation.y,
+ (0.5 * (widget->allocation.width - gdk_pixbuf_get_width(thumb->priv->pixbuf))) + widget->allocation.x,
+ (0.5 * (widget->allocation.height - gdk_pixbuf_get_height(thumb->priv->pixbuf))) + widget->allocation.y,
-1, -1,
GDK_RGB_DITHER_NORMAL,
0, 0);
@@ -242,7 +275,6 @@ rstto_thumbnail_new (RsttoImage *image)
path = g_file_get_path (file);
basename = g_path_get_basename (path);
-
gtk_widget_set_tooltip_text(GTK_WIDGET(thumb), basename);
g_free (basename);
@@ -264,3 +296,17 @@ rstto_thumbnail_clicked (GtkButton *button)
{
gtk_widget_queue_draw (GTK_WIDGET (button));
}
+
+static void
+rstto_thumbnail_enter (GtkButton *button)
+{
+ gtk_widget_set_state (GTK_WIDGET (button), GTK_STATE_PRELIGHT);
+ gtk_widget_queue_draw (GTK_WIDGET (button));
+}
+
+static void
+rstto_thumbnail_leave (GtkButton *button)
+{
+ gtk_widget_set_state (GTK_WIDGET (button), GTK_STATE_NORMAL);
+ gtk_widget_queue_draw (GTK_WIDGET (button));
+}
diff --git a/src/thumbnail_bar.c b/src/thumbnail_bar.c
index 6d6578c..f53f4dd 100644
--- a/src/thumbnail_bar.c
+++ b/src/thumbnail_bar.c
@@ -780,7 +780,7 @@ cb_rstto_thumbnail_bar_image_list_new_image (RsttoImageList *image_list, RsttoIm
thumb = rstto_thumbnail_new (image);
gtk_container_add (GTK_CONTAINER (bar), thumb);
- gtk_widget_show (thumb);
+ gtk_widget_show_all (thumb);
g_signal_connect (thumb, "clicked", G_CALLBACK (cb_rstto_thumbnail_bar_thumbnail_clicked), bar);
g_signal_connect (thumb, "button_press_event", G_CALLBACK (cb_rstto_thumbnail_bar_thumbnail_button_press_event), bar);
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